/* ============================================================
   AHMAD KOMAIL ZAFARI — Portfolio CSS
   Aesthetic: Modern · Clean · Premium · Builder-focused
   Architecture: Tokens → Reset → Layout → Components → Dark → Responsive
   ============================================================ */


/* ─── 00. FONTS ─────────────────────────────────────────────── */
/* Fonts are loaded via <link> preconnect in index.html — no @import needed here */


/* ─── 01. DESIGN TOKENS — LIGHT ────────────────────────────── */

:root {
  /* Surfaces */
  --bg:          #F7F5F0;
  --bg2:         #F0EDE6;
  --bg3:         #E8E4DB;
  --surface:     #FFFFFF;
  --surface-h:   #FAFAF8;

  /* Borders */
  --border:      rgba(30, 25, 15, 0.09);
  --border-md:   rgba(30, 25, 15, 0.15);
  --border-hi:   rgba(30, 25, 15, 0.28);

  /* Text */
  --text:        #111009;
  --text2:       #3D3828;
  --muted:       #867E6E;
  --muted2:      #C0B8A6;

  /* Accent — Blue (modern, trustworthy) */
  --accent:      #2563EB;
  --accent-2:    #3B82F6;
  --accent-dim:  rgba(37, 99, 235, 0.07);
  --accent-15:   rgba(37, 99, 235, 0.14);
  --accent-25:   rgba(37, 99, 235, 0.22);

  /* Secondary accent — Amber (warmth, curiosity) */
  --warm:        #D97706;
  --warm-dim:    rgba(217, 119, 6, 0.08);
  --warm-15:     rgba(217, 119, 6, 0.15);

  /* Status */
  --green:       #16A34A;
  --green-dim:   rgba(22, 163, 74, 0.10);
  --amber-s:     #B45309;
  --amber-dim:   rgba(180, 83, 9, 0.10);

  /* Typography */
  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Spacing */
  --xs:  4px;  --sm: 8px;   --md: 16px;
  --lg: 24px;  --xl: 40px;  --2xl: 64px;
  --3xl: 96px; --4xl: 140px;

  /* Radii */
  --r-xs: 3px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-full: 9999px;

  /* Shadows */
  --sh-xs: 0 1px 2px rgba(0,0,0,0.05);
  --sh-sm: 0 2px 8px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --sh-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
  --sh-lg: 0 8px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.05);
  --sh-xl: 0 20px 60px rgba(0,0,0,0.12), 0 8px 20px rgba(0,0,0,0.06);

  /* Easing */
  --ease:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-back: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --max-w:  1160px;
  --gutter: 56px;
  --section-y: 100px;
}


/* ─── 01b. DARK MODE TOKENS ─────────────────────────────────── */

[data-theme="dark"] {
  --bg:          #0D0C0A;
  --bg2:         #141210;
  --bg3:         #1A1814;
  --surface:     #1C1A16;
  --surface-h:   #222018;

  --border:      rgba(255, 245, 220, 0.08);
  --border-md:   rgba(255, 245, 220, 0.13);
  --border-hi:   rgba(255, 245, 220, 0.24);

  --text:        #F0EBE0;
  --text2:       #A89E8C;
  --muted:       #655E50;
  --muted2:      #3A352C;

  --accent:      #60A5FA;
  --accent-2:    #93C5FD;
  --accent-dim:  rgba(96, 165, 250, 0.08);
  --accent-15:   rgba(96, 165, 250, 0.16);
  --accent-25:   rgba(96, 165, 250, 0.24);

  --warm:        #FCD34D;
  --warm-dim:    rgba(252, 211, 77, 0.08);
  --warm-15:     rgba(252, 211, 77, 0.15);

  --green:       #4ADE80;
  --green-dim:   rgba(74, 222, 128, 0.10);
  --amber-s:     #FCD34D;
  --amber-dim:   rgba(252, 211, 77, 0.10);

  --sh-xs: 0 1px 2px rgba(0,0,0,0.3);
  --sh-sm: 0 2px 8px rgba(0,0,0,0.35), 0 1px 2px rgba(0,0,0,0.25);
  --sh-md: 0 4px 16px rgba(0,0,0,0.4), 0 2px 4px rgba(0,0,0,0.25);
  --sh-lg: 0 8px 32px rgba(0,0,0,0.45), 0 4px 8px rgba(0,0,0,0.3);
  --sh-xl: 0 20px 60px rgba(0,0,0,0.55), 0 8px 20px rgba(0,0,0,0.35);
}


/* ─── 02. RESET ─────────────────────────────────────────────── */

*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}

::selection { background: var(--accent-15); color: var(--text) }

::-webkit-scrollbar          { width: 3px }
::-webkit-scrollbar-track    { background: transparent }
::-webkit-scrollbar-thumb    { background: var(--accent-25); border-radius: 99px }
::-webkit-scrollbar-thumb:hover { background: var(--accent) }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

img   { display: block; max-width: 100%; height: auto }
a     { color: inherit; text-decoration: none }
button { cursor: pointer; border: none; background: none; font-family: inherit; color: inherit }
ul, ol { list-style: none }
strong { font-weight: 600 }


/* ─── 03. PROGRESS BAR ──────────────────────────────────────── */

#progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 9999;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.08s linear;
  pointer-events: none;
}


/* ─── 04. LOADER ─────────────────────────────────────────────── */

#loader {
  position: fixed; inset: 0;
  z-index: 9990;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}

#loader.done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.5s ease 0.1s forwards;
}

#loaderName {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.04em;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.05em;
  max-width: 90vw;
}

#loaderName span {
  display: inline-block;
  opacity: 0;
  transform: translateY(28px);
  animation: charUp 0.55s var(--ease) forwards;
}

.loader-bar-wrap {
  width: 160px;
  height: 1px;
  background: var(--border-md);
  border-radius: 99px;
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 99px;
  animation: barFill 1.6s var(--ease) 0.2s forwards;
}

@keyframes barFill  { to { width: 100% } }
@keyframes charUp   { to { opacity: 1; transform: translateY(0) } }
@keyframes fadeUp   { to { opacity: 1 } }


/* ─── 05. NAV ───────────────────────────────────────────────── */

#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 800;
  padding: 10px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: padding 0.3s var(--ease), background 0.35s, border-color 0.35s, box-shadow 0.35s;
}

#nav.scrolled {
  background: rgba(247, 245, 240, 0.94);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--sh-xs);
  padding: 12px var(--gutter);
}

[data-theme="dark"] #nav.scrolled {
  background: rgba(13, 12, 10, 0.94);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity 0.2s;
}

.nav-logo:hover { opacity: 0.7 }

.nav-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  flex-shrink: 0;
  transition: filter 0.2s, opacity 0.2s;
  filter: drop-shadow(0 0 4px rgba(0,0,0,0.35)) brightness(0.85);
}

[data-theme="dark"] .nav-logo-img {
  filter: brightness(1.15) drop-shadow(0 0 6px rgba(0,180,255,0.15));
}

.nav-logo:hover .nav-logo-img {
  opacity: 0.8;
}

.nav-wordmark {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 6px 14px;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--text) }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-btn {
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-md);
  border-radius: var(--r-sm);
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  position: relative;
  overflow: hidden;
}

.theme-btn:hover { border-color: var(--border-hi); color: var(--text) }

.icon-sun, .icon-moon {
  position: absolute;
  transition: opacity 0.25s, transform 0.25s var(--ease);
}

[data-theme="light"] .icon-sun  { opacity: 1; transform: scale(1) }
[data-theme="light"] .icon-moon { opacity: 0; transform: scale(0.6) }
[data-theme="dark"]  .icon-sun  { opacity: 0; transform: scale(0.6) }
[data-theme="dark"]  .icon-moon { opacity: 1; transform: scale(1) }

.nav-cta {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--surface);
  background: var(--text);
  padding: 8px 16px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--text);
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px; height: 28px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s, width 0.3s;
}

.hamburger span:nth-child(2) { width: 65% }

.hamburger.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg) }
.hamburger.active span:nth-child(2) { opacity: 0; width: 0 }
.hamburger.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg) }


/* ─── 06. MOBILE MENU ───────────────────────────────────────── */

#mobileMenu {
  position: fixed; inset: 0;
  background: var(--bg);
  z-index: 888;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}

#mobileMenu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.menu-close {
  position: absolute;
  top: 20px; right: var(--gutter);
  width: 36px; height: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 4px;
  border: 1px solid var(--border-md);
  border-radius: var(--r-sm);
  cursor: pointer;
  background: none;
  transition: border-color 0.2s;
}

.menu-close:hover { border-color: var(--border-hi) }

.menu-close span {
  display: block;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
}

.menu-close span:nth-child(1) { transform: translateY(3.5px) rotate(45deg) }
.menu-close span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg) }

.mob-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 280px;
}

.mob-nav a {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 5vw, 1.8rem);
  font-style: italic;
  color: var(--text2);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  width: 100%;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: color 0.2s;
}

.mob-nav a:last-child { border-bottom: none }
.mob-nav a:hover { color: var(--accent) }

.mob-num {
  font-family: var(--mono);
  font-size: 10px;
  font-style: normal;
  color: var(--accent);
  opacity: 0.7;
}

.mob-foot {
  position: absolute;
  bottom: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}


/* ─── 07. HERO ENTRANCE ─────────────────────────────────────── */

/* SEO: Visually hidden full name inside H1.
   Screen readers and search crawlers read the full "Ahmad Komail Zafari"
   as a single H1 string. Sighted users see the styled spans below it.
   Uses the accessibility-standard visually-hidden pattern — NOT display:none
   which would cause Google to ignore it as hidden text. */
.seo-full-name {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.he {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.he.go { opacity: 1; transform: translateY(0) }

.d1 { transition-delay: 0.08s }
.d2 { transition-delay: 0.16s }
.d3 { transition-delay: 0.26s }
.d4 { transition-delay: 0.38s }
.d5 { transition-delay: 0.52s }


/* ─── 08. HERO ───────────────────────────────────────────────── */

.hero {
  min-height: 100svh;
  padding: 0 var(--gutter) 0;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

/* Subtle grid lines */
.hero::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 100% 80px, 320px 100%;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 300px 1fr;
  column-gap: 44px;
  align-items: center;
  padding: 128px 0 48px;
  position: relative;
  z-index: 1;
}

.hero-left {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-photo-col {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-snap {
  grid-column: 3;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: start;
  padding-top: 8px;
}

/* Status pill */
.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  width: fit-content;
  padding: 5px 12px;
  background: var(--green-dim);
  border: 1px solid rgba(22, 163, 74, 0.18);
  border-radius: var(--r-full);
}

.status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1) }
  50%       { opacity: 0.4; transform: scale(0.85) }
}

/* Name */
.hero-name {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.hero-name-line {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--text);
  display: block;
}

.hero-name-italic {
  font-style: italic;
  font-weight: 300;
  color: var(--text2);
}

.hero-name-italic em {
  font-style: normal;
  color: var(--accent);
  font-weight: 700;
}

/* Role */
.hero-role {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-left: 2px;
}

/* Description */
.hero-desc {
  font-size: clamp(0.9rem, 1.15vw, 1.05rem);
  color: var(--text2);
  line-height: 1.75;
  max-width: 420px;
}

/* Buttons */
.hero-btns {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Photo */
.hero-photo-wrap {
  position: relative;
  width: 100%;
}

.hero-photo-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: linear-gradient(145deg, var(--bg2), var(--bg3));
  border-radius: var(--r-md);
  box-shadow: var(--sh-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-md);
  overflow: hidden;
  position: relative;
}

.hero-photo-placeholder img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: contrast(1.02) saturate(0.92);
  opacity: 0;
  transition: opacity 0.6s ease;
}
.hero-photo-placeholder img.active {
  opacity: 1;
}

.photo-init {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--muted2);
  letter-spacing: -0.04em;
}

/* Hide initials fallback when a real photo is present and loaded */
.hero-photo-placeholder img + .photo-init { display: none }

.hero-photo-tag {
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 5px 12px;
  box-shadow: var(--sh-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.photo-tag-name {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: 0.04em;
}

.photo-tag-loc {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Snapshot cards */
.snap-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.snap-cards {
  display: flex;
  flex-direction: column;
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--border);
  box-shadow: var(--sh-sm);
}

.snap-card {
  background: var(--surface);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: background 0.2s;
}

.snap-card:hover { background: var(--surface-h) }

.snap-key {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.snap-val {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
}

.snap-avail {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-size: 0.8rem;
}

.avail-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

/* Stats bar */
.hero-stats {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface);
  position: relative;
  z-index: 1;
  margin-bottom: 48px;
  box-shadow: var(--sh-sm);
}

.stat-item {
  flex: 1;
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background 0.2s;
}

.stat-item:hover { background: var(--surface-h) }

.stat-num {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.2vw, 2.1rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.06em;
  line-height: 1;
}

.stat-num sup {
  font-size: 0.4em;
  vertical-align: super;
  color: var(--accent);
}

.stat-label {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-div {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  flex-shrink: 0;
}


/* ─── 09. BUTTONS ────────────────────────────────────────────── */

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 12px 22px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--accent);
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--accent-2);
  border-color: var(--accent-2);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-25);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text);
  background: transparent;
  padding: 11px 20px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border-md);
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  cursor: pointer;
  white-space: nowrap;
}

.btn-outline:hover {
  border-color: var(--text);
  background: var(--bg2);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: var(--r-sm);
  transition: color 0.2s, background 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

.btn-ghost:hover { color: var(--text); background: var(--bg2) }


/* ─── 10. TICKER ─────────────────────────────────────────────── */

.ticker-wrap {
  overflow: hidden;
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 11px 0;
  background: var(--bg2);
}

.ticker-wrap::before,
.ticker-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.ticker-wrap::before { left: 0; background: linear-gradient(to right, var(--bg2), transparent) }
.ticker-wrap::after  { right: 0; background: linear-gradient(to left, var(--bg2), transparent) }

.ticker-inner {
  display: flex;
  align-items: center;
  width: max-content;
  animation: ticker 50s linear infinite;
}

.ticker-wrap:hover .ticker-inner { animation-play-state: paused }

@keyframes ticker { from { transform: translateX(0) } to { transform: translateX(-50%) } }

.tick {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--text2);
  white-space: nowrap;
  padding: 0 16px;
}

.tick-sep {
  color: var(--muted2);
  font-size: 16px;
  flex-shrink: 0;
}


/* ─── 11. SECTION BASE ───────────────────────────────────────── */

.section {
  position: relative;
}

.section-tinted {
  background: var(--bg2);
}

.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-y) var(--gutter);
}

.section-header {
  margin-bottom: 56px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  width: 18px; height: 1.5px;
  background: var(--accent);
  display: inline-block;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.04em;
  color: var(--text);
}

.section-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--accent);
}

.divider {
  height: 1px;
  background: var(--border);
}


/* ─── 12. REVEAL ANIMATION ───────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}

.reveal.in { opacity: 1; transform: translateY(0) }


/* ─── 13. ABOUT ─────────────────────────────────────────────── */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 72px;
  align-items: start;
}

.about-lede {
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  font-style: italic;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 22px;
}

/* GEO / AEO: Wikipedia-style entity biography sentence.
   Styled as a factual preface to the narrative lede.
   Fully visible — search engines and AI crawlers trust visible text
   far more than hidden text or schema-only data. */
.about-entity-bio {
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 20px;
  padding: 10px 14px;
  border-left: 2px solid var(--accent-25);
  background: var(--accent-dim);
  border-radius: 0 var(--r-xs) var(--r-xs) 0;
}

.about-body {
  font-size: 0.9375rem;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-body:last-of-type { margin-bottom: 20px }

.about-langs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.lang-tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text2);
  background: var(--surface);
  border: 1px solid var(--border-md);
  padding: 4px 10px;
  border-radius: var(--r-full);
}

.chapter-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.chapter {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.chapter:last-child { border-bottom: none }

.chapter-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
  padding-top: 3px;
  min-width: 24px;
}

.chapter-title {
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 8px;
  letter-spacing: -0.015em;
}

.chapter-body {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.72;
}

/* Impact bar */
.impact-bar {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--border);
}

.impact-item {
  background: var(--surface);
  padding: 22px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: background 0.2s;
}

.impact-item:hover { background: var(--surface-h) }

.impact-rule {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

.impact-icon { font-size: 22px; flex-shrink: 0; line-height: 1 }

.impact-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}

.impact-meta {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}


/* ─── 14. PROJECTS ───────────────────────────────────────────── */

.projects-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
}

.projects-count {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 8px;
}

/* Featured */
.proj-featured {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--sh-md);
  margin-bottom: 20px;
  transition: box-shadow 0.35s var(--ease), transform 0.35s var(--ease);
}

.proj-featured:hover {
  box-shadow: var(--sh-xl);
  transform: translateY(-3px);
}

.proj-feat-img {
  position: relative;
  background: var(--bg2);
  overflow: hidden;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.proj-feat-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s var(--ease);
}

.proj-featured:hover .proj-feat-img img { transform: scale(1.02) }

.proj-feat-img.img-error {
  background: linear-gradient(135deg, var(--bg2) 0%, var(--bg3) 100%);
}

.proj-feat-badge {
  position: absolute;
  top: 16px; left: 16px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 4px 10px;
  border-radius: var(--r-full);
}

/* ── IMAGE HOVER CAPTION OVERLAY ── */
.img-caption-wrap {
  position: relative;
  overflow: hidden;
}

.img-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px 16px 14px;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 100%);
  color: #fff;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  pointer-events: none;
  z-index: 3;
}

.img-caption-wrap:hover .img-caption {
  opacity: 1;
  transform: translateY(0);
}

.proj-feat-body {
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-left: none;
  border-top: 1px solid var(--border);
}

/* Grid */
.proj-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.proj-card {
  background: var(--surface);
  display: flex;
  flex-direction: row;
  gap: 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.25s;
}

.proj-card:last-child { border-bottom: none }

.proj-card:hover { background: var(--surface-h) }

.proj-img-wrap {
  width: 280px;
  align-self: stretch;   /* fill full card height — no gap at bottom */
  flex-shrink: 0;
  overflow: hidden;
  background: var(--bg2);
  position: relative;
  min-height: 200px;
}

.proj-img-wrap img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform 0.5s var(--ease);
}

.proj-card:hover .proj-img-wrap img { transform: scale(1.04) }

.proj-img-wrap.img-error {
  background: linear-gradient(135deg, var(--bg2), var(--bg3));
}

.proj-body {
  padding: 28px 40px 28px 52px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: center;
  border-left: 1px solid var(--border);
}

.proj-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.proj-idx {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.14em;
  color: var(--muted2);
}

.proj-type {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-15);
  padding: 2px 7px;
  border-radius: var(--r-full);
}

.proj-name {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin-bottom: 8px;
}

.proj-desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.proj-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.proj-detail-key {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.proj-detail-val {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.5;
}

.proj-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--text);
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: var(--r-xs);
  transition: border-color 0.2s;
}

.pill:hover { border-color: var(--border-hi) }

.proj-links {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.proj-link-primary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--surface);
  background: var(--text);
  padding: 8px 14px;
  border-radius: var(--r-xs);
  transition: background 0.2s;
}

.proj-link-primary:hover { background: var(--accent) }

.proj-link-ghost, .proj-link {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.proj-link-ghost:hover, .proj-link:hover { color: var(--accent) }

/* Links not yet live — visually muted, not interactive */
.proj-link-unavail,
.cert-verify-unavail {
  cursor: not-allowed;
  opacity: 0.4;
  user-select: none;
  pointer-events: none;
}

.github-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  margin-top: 16px;
  background: var(--surface);
}

.github-cta p {
  font-size: 0.9rem;
  color: var(--text2);
}


/* ─── 15. TECH STACK ─────────────────────────────────────────── */

.stack-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0 64px;
  align-items: start;
}

.stack-intro {
  position: sticky;
  top: 96px;
  font-size: 0.9375rem;
  color: var(--text2);
  line-height: 1.78;
}

.stack-intro p { margin-bottom: 16px }
.stack-intro p:last-child { margin-bottom: 0 }

.stack-clusters {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.stack-cluster {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.stack-cluster:last-child { border-bottom: none }

.cluster-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cluster-num { color: var(--accent); font-size: 9px }

.cluster-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack-pill {
  display: inline-flex;
  align-items: center;
  font-family: var(--sans);
  font-size: 0.875rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--r-xs);
  transition: border-color 0.2s, background 0.2s;
  cursor: default;
}

.stack-pill:hover { border-color: var(--border-hi); background: var(--surface-h) }

.stack-pill.fe  { border-color: var(--accent-15) }
.stack-pill.be  { border-color: var(--warm-15) }
.stack-pill.sec { border-color: rgba(239, 68, 68, 0.18); color: #DC2626 }
[data-theme="dark"] .stack-pill.sec { color: #FCA5A5 }

.learning-strip {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--surface);
}

.learning-label {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  flex-shrink: 0;
}

.learning-pills { display: flex; flex-wrap: wrap; gap: 6px }

.learning-pill {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid var(--accent-15);
  padding: 4px 10px;
  border-radius: var(--r-full);
}


/* ─── 16. CERTIFICATIONS ─────────────────────────────────────── */

.certs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.cert-card {
  background: var(--surface);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: background 0.2s;
}

.cert-card:hover { background: var(--surface-h) }

.cert-icon {
  font-size: 22px;
  margin-bottom: 14px;
  line-height: 1;
}

.cert-name {
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.cert-issuer, .cert-org {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}

.cert-year {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 10px;
}

.cert-desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 12px;
}

.cert-verify {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  transition: opacity 0.2s;
  margin-top: auto;
}

.cert-verify:hover { opacity: 0.7 }

/* Cert links pointing to issuer homepage pending the real credential URL.
   pointer-events: none prevents navigation to generic homepages that would
   not verify any credential — protecting link equity and E-E-A-T trust signals. */
.cert-verify-pending {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  text-decoration-style: dashed;
}
.cert-verify-pending::after {
  content: ' · pending';
  color: var(--warm);
  font-size: 0.8em;
  letter-spacing: 0;
  text-transform: none;
}

.certs-note {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  margin-top: 16px;
  letter-spacing: 0.04em;
  font-style: italic;
}


/* ─── 17. TIMELINE ───────────────────────────────────────────── */

.timeline {
  position: relative;
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Remove the old vertical line — replaced by left border on each card */
.tl-line { display: none }

.tl-entry {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.tl-entry:last-child { margin-bottom: 0 }

.tl-entry:hover {
  box-shadow: var(--sh-md);
  border-color: var(--accent-25);
  transform: translateY(-2px);
}

/* Left date column */
.tl-dot { display: none }

.tl-period {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--accent);
  flex-shrink: 0;
  background: var(--accent-dim);
  border-right: 2px solid var(--accent-25);
  padding: 28px 20px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  font-weight: 500;
}

.tl-content {
  padding: 24px 28px;
  border-left: none;
}

.tl-role {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 3px;
  letter-spacing: -0.02em;
}

.tl-org {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 10px;
}

.tl-body {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 14px;
}

.tl-tags { display: flex; flex-wrap: wrap; gap: 5px }

.tl-tag {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: var(--r-full);
}


/* ─── 18. EXPLORATION LAB ────────────────────────────────────── */

.lab-intro {
  font-size: 0.9375rem;
  color: var(--text2);
  line-height: 1.78;
  max-width: 600px;
  margin-bottom: 48px;
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.lab-card {
  background: var(--surface);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  transition: background 0.25s;
  position: relative;
}

.lab-card:hover { background: var(--surface-h) }

.lab-icon {
  color: var(--accent);
  margin-bottom: 8px;
  line-height: 1;
}

.lab-num {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--text);
  opacity: 0.06;
  line-height: 1;
  letter-spacing: -0.08em;
  position: absolute;
  top: 16px; right: 20px;
}

.lab-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.lab-desc {
  font-size: 0.875rem;
  color: var(--text2);
  line-height: 1.68;
  margin-bottom: 16px;
  flex: 1;
}

.lab-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}

.lab-pill {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--text2);
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: var(--r-full);
}

.lab-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: auto;
}

.lab-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.lab-dot.active   { background: var(--green); animation: pulse-dot 2s infinite }
.lab-dot.exploring { background: var(--amber-s) }


/* ─── 19. CONTACT ────────────────────────────────────────────── */

.contact-section {
  background: var(--bg3);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-body {
  font-size: 0.9375rem;
  color: var(--text2);
  line-height: 1.75;
  margin-bottom: 20px;
  max-width: 400px;
}

.contact-btns {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ci-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ci-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 15px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
  cursor: pointer;
}

.ci-item:hover {
  border-color: var(--accent-25);
  box-shadow: var(--sh-sm);
  transform: translateX(3px);
}

.ci-location { cursor: default }
.ci-location:hover { transform: none; border-color: var(--border) }

.ci-icon {
  width: 32px; height: 32px;
  border-radius: var(--r-xs);
  background: var(--bg2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.ci-key {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.ci-val {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}


/* ─── 20. FOOTER ─────────────────────────────────────────────── */

footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.foot-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.foot-logo {
  display: flex;
  align-items: center;
}

.foot-logo-img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  transition: filter 0.2s, opacity 0.2s;
  filter: drop-shadow(0 0 4px rgba(0,0,0,0.35)) brightness(0.85);
}

[data-theme="dark"] .foot-logo-img {
  filter: brightness(1.15) drop-shadow(0 0 6px rgba(0,180,255,0.15));
}

.foot-logo-img:hover {
  opacity: 0.75;
}

.foot-copy {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.foot-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.foot-links a {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.foot-links a:hover { color: var(--text) }


/* ─── 21. PRINT ─────────────────────────────────────────────── */

@media print {
  #nav, #loader, .ticker-wrap, #progress { display: none !important }
  body { background: white; color: black }
  .section-inner { padding: 20px 0 }
  .reveal, .he { opacity: 1 !important; transform: none !important }
  .hero { min-height: auto; padding: 40px 0 }
}


/* ─── 22. REDUCED MOTION ─────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  *, .reveal, .he, #loaderName span, .loader-bar, .ticker-inner, .avail-dot, .status-dot, .lab-dot {
    animation: none !important;
    transition-duration: 0.01ms !important;
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    width: 100% !important;
  }
}


/* ─── 23. RESPONSIVE — 1100px ───────────────────────────────── */

@media (max-width: 1100px) {
  :root { --gutter: 40px }

  .hero-grid {
    grid-template-columns: 1fr 180px 260px;
    column-gap: 36px;
  }
}


/* ─── 24. RESPONSIVE — 1024px ───────────────────────────────── */

@media (max-width: 1024px) {
  /* proj-grid is now a flex list — no column change needed */
  .certs-grid { grid-template-columns: repeat(2, 1fr) }
  .lab-grid { grid-template-columns: repeat(2, 1fr) }

  .hero-grid {
    grid-template-columns: 1fr 240px;
    grid-template-rows: auto auto;
  }

  .hero-left      { grid-column: 1; grid-row: 1 }
  .hero-photo-col { grid-column: 2; grid-row: 1 / 3; align-self: start; padding-top: 68px }
  .hero-snap      { grid-column: 1; grid-row: 2 }

  .stack-layout { grid-template-columns: 180px 1fr; gap: 0 40px }
}


/* ─── 25. RESPONSIVE — 900px ────────────────────────────────── */

@media (max-width: 900px) {
  :root { --gutter: 28px; --section-y: 72px }

  #nav, #nav.scrolled { padding: 14px var(--gutter) }

  .hero-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    padding: 100px 0 40px;
    gap: 32px;
  }

  .hero-left      { grid-column: 1; grid-row: 1 }
  .hero-photo-col { grid-column: 1; grid-row: 2; width: 160px; margin: 0 auto }
  .hero-snap      { grid-column: 1; grid-row: 3 }

  .snap-cards { flex-direction: row; flex-wrap: wrap; border-radius: var(--r-md) }
  .snap-card  { flex: 1; min-width: 140px }

  .hero-stats { flex-wrap: wrap; border-radius: var(--r-md) }
  .stat-item  { min-width: 120px }

  .about-grid   { grid-template-columns: 1fr; gap: 40px }
  .impact-bar   { grid-template-columns: 1fr; background: var(--surface) }
  .impact-rule  { height: 1px; width: auto; align-self: auto }

  .stack-layout { grid-template-columns: 1fr; gap: 32px }
  .stack-intro  { position: static }

  .contact-grid { grid-template-columns: 1fr; gap: 48px }

  .footer-inner { flex-direction: column; text-align: center; gap: 10px }
  .foot-left    { flex-direction: column }
}


/* ─── 26. RESPONSIVE — 768px ────────────────────────────────── */

@media (max-width: 768px) {
  .nav-links   { display: none }
  .nav-cta     { display: none }
  .hamburger   { display: flex }
  .nav-wordmark { display: none }

  .hero-name-line { font-size: clamp(3rem, 11vw, 4.5rem) }

  .proj-featured { flex-direction: column }
  .proj-feat-img { min-height: auto }
  .proj-feat-body { border-left: none; border-top: 1px solid var(--border) }

  .proj-card    { flex-direction: column }
  .proj-img-wrap { width: 100%; height: 200px }
  .proj-body    { border-left: none; border-top: 1px solid var(--border); padding: 20px 24px }
  .certs-grid   { grid-template-columns: 1fr }
  .lab-grid     { grid-template-columns: 1fr }

  .projects-head { flex-direction: column; align-items: flex-start; gap: 8px }

  .tl-entry { grid-template-columns: 60px 1fr }
  .tl-period { writing-mode: horizontal-tb; transform: none; padding: 16px; border-right: none; border-bottom: 2px solid var(--accent-25); align-items: center; justify-content: flex-start }

  .github-cta { flex-direction: column; align-items: flex-start; gap: 12px }
}


/* ─── 27. RESPONSIVE — 480px ────────────────────────────────── */

@media (max-width: 480px) {
  :root { --gutter: 20px; --section-y: 56px }

  .hero-name-line { font-size: clamp(2.6rem, 10vw, 3.2rem) }
  .section-title  { font-size: 1.75rem }

  .hero-btns {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .hero-btns .btn-primary,
  .hero-btns .btn-outline { width: 100%; justify-content: center }

  .snap-cards { flex-direction: column }
  .hero-stats { flex-direction: column }
  .stat-div   { width: auto; height: 1px; align-self: auto }

  .tl-entry   { grid-template-columns: 1fr }
  .tl-period  { writing-mode: horizontal-tb; transform: none; padding: 12px 20px; border-right: none; border-bottom: 2px solid var(--accent-25) }

  .impact-bar { grid-template-columns: 1fr }

  footer { padding: 16px var(--gutter) }
  .foot-links { gap: 14px }
}/* ============================================================


/* ============================================================
   PHASE A — PREMIUM UI/UX ENHANCEMENTS
   Added after original rules — zero originals deleted.
   All animations respect prefers-reduced-motion.
   All colours use existing CSS tokens — no hardcoded hex added.
   ============================================================ */


/* ── PREMIUM TOKENS ─────────────────────────────────────────── */
/* New custom properties appended to :root and dark overrides    */

:root {
  --nav-indicator-w: 0px;          /* JS-driven active nav pill  */
  --card-glow-x:     50%;          /* mouse-tracking for cards   */
  --card-glow-y:     50%;
  --btn-dx:          0px;          /* magnetic button offset     */
  --btn-dy:          0px;
  --sh-accent: 0 4px 20px rgba(37, 99, 235, 0.18), 0 1px 4px rgba(37, 99, 235, 0.10);
  --sh-accent-lg: 0 8px 32px rgba(37, 99, 235, 0.22), 0 2px 8px rgba(37, 99, 235, 0.12);
  --transition-premium: 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast:    0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --sh-accent: 0 4px 20px rgba(96, 165, 250, 0.20), 0 1px 4px rgba(96, 165, 250, 0.12);
  --sh-accent-lg: 0 8px 32px rgba(96, 165, 250, 0.26), 0 2px 8px rgba(96, 165, 250, 0.14);
}


/* ══════════════════════════════════════════════════════════════
   MODULE 1 — NAVIGATION
   ══════════════════════════════════════════════════════════════ */

/* Smoother nav transition */
#nav {
  transition:
    padding var(--transition-premium),
    background 0.4s var(--ease),
    border-color 0.4s var(--ease),
    box-shadow 0.4s var(--ease);
}

/* Scrolled state: sharper border, slightly warmer shadow */
#nav.scrolled {
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.06);
}

[data-theme="dark"] #nav.scrolled {
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.28);
}

/* Nav logo: scale + logo glow instead of flat opacity fade */
.nav-logo {
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-logo:hover { opacity: 1; transform: translateY(-1px) }

.nav-logo-img {
  transition: transform var(--transition-fast), filter var(--transition-fast), opacity var(--transition-fast);
  width: 80px;
  height: 80px;
}
.nav-logo:hover .nav-logo-img {
  transform: scale(1.08) rotate(-2deg);
  filter: drop-shadow(0 0 6px rgba(0, 180, 255, 0.45));
}

/* Nav links: sliding underline indicator */
.nav-links {
  position: relative;
}

.nav-links a {
  position: relative;
  transition: color var(--transition-fast);
  padding: 6px 14px;
}

/* Underline per link — grows from centre */
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  width: calc(100% - 20px);
  height: 1.5px;
  background: var(--accent);
  border-radius: 99px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  opacity: 0;
}

.nav-links a:hover::after,
.nav-links a.nav-active::after {
  transform: translateX(-50%) scaleX(1);
  opacity: 1;
}

.nav-links a.nav-active { color: var(--text) !important }

/* Nav CTA: shimmer sweep on hover */
.nav-cta {
  position: relative;
  overflow: hidden;
  transition: background var(--transition-fast), color var(--transition-fast),
              border-color var(--transition-fast), transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.nav-cta::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.14), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s var(--ease);
  pointer-events: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-accent);
}

.nav-cta:hover::after { left: 160% }

/* Theme toggle: smooth icon swap + hover ring */
.theme-btn {
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.theme-btn:hover {
  border-color: var(--accent-25);
  color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  transform: rotate(12deg) scale(1.05);
}

/* Mobile menu: stagger nav links on open */
#mobileMenu.open .mob-nav a {
  animation: mobLinkIn 0.4s var(--ease) both;
}

#mobileMenu.open .mob-nav a:nth-child(1) { animation-delay: 0.05s }
#mobileMenu.open .mob-nav a:nth-child(2) { animation-delay: 0.10s }
#mobileMenu.open .mob-nav a:nth-child(3) { animation-delay: 0.15s }
#mobileMenu.open .mob-nav a:nth-child(4) { animation-delay: 0.20s }
#mobileMenu.open .mob-nav a:nth-child(5) { animation-delay: 0.25s }
#mobileMenu.open .mob-nav a:nth-child(6) { animation-delay: 0.30s }
#mobileMenu.open .mob-nav a:nth-child(7) { animation-delay: 0.35s }
#mobileMenu.open .mob-nav a:nth-child(8) { animation-delay: 0.40s }

@keyframes mobLinkIn {
  from { opacity: 0; transform: translateX(-16px) }
  to   { opacity: 1; transform: translateX(0) }
}


/* ══════════════════════════════════════════════════════════════
   MODULE 2 — HERO SECTION
   ══════════════════════════════════════════════════════════════ */

/* Status pill: ring pulse around the dot */
.hero-status {
  transition: background var(--transition-fast), border-color var(--transition-fast),
              transform var(--transition-fast);
}
.hero-status:hover { transform: translateY(-1px) }

.status-dot {
  position: relative;
}

.status-dot::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--green);
  opacity: 0;
  animation: ring-pulse 2.5s ease-in-out 0.6s infinite;
}

@keyframes ring-pulse {
  0%   { opacity: 0.7; transform: scale(0.8) }
  80%  { opacity: 0;   transform: scale(2.2) }
  100% { opacity: 0;   transform: scale(2.2) }
}

/* Hero name: subtle gradient shimmer — one shot on load */
.hero-name-line {
  background: linear-gradient(
    135deg,
    var(--text) 0%,
    var(--text) 40%,
    var(--accent) 55%,
    var(--text) 70%,
    var(--text) 100%
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: nameShimmer 1.6s var(--ease) 2.8s 1 forwards;
  /* Fallback: keep text visible before animation */
  -webkit-text-fill-color: transparent;
}

@keyframes nameShimmer {
  from { background-position: 100% 0 }
  to   { background-position:   0% 0 }
}

/* Italic line keeps its own colour — override gradient */
.hero-name-italic {
  background: linear-gradient(
    135deg,
    var(--text2) 0%,
    var(--text2) 40%,
    var(--accent) 55%,
    var(--text2) 70%,
    var(--text2) 100%
  );
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: nameShimmer 1.6s var(--ease) 3.0s 1 forwards;
}

.hero-name-italic em {
  -webkit-text-fill-color: var(--accent);
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
}

/* Hero photo: gradient-border treatment via ::before ring */
.hero-photo-wrap {
  position: relative;
}

.hero-photo-wrap::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--r-md) + 2px);
  background: linear-gradient(
    135deg,
    var(--accent-25) 0%,
    transparent 40%,
    var(--accent-15) 100%
  );
  z-index: -1;
  transition: opacity var(--transition-premium);
  opacity: 0;
}

.hero-photo-col:hover .hero-photo-wrap::before { opacity: 1 }

/* Photo: 3D tilt — driven by JS mousemove on .hero-photo-col */
.hero-photo-placeholder {
  transition:
    transform var(--transition-premium),
    box-shadow var(--transition-premium),
    filter var(--transition-premium);
  transform: perspective(800px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  will-change: transform;
}

.hero-photo-placeholder:hover {
  box-shadow: var(--sh-xl), var(--sh-accent);
}

/* Photo tag: gentle floating bob */
.hero-photo-tag {
  animation: tagBob 4s ease-in-out 3.5s infinite;
}

@keyframes tagBob {
  0%, 100% { transform: translateX(-50%) translateY(0)   }
  50%       { transform: translateX(-50%) translateY(-4px) }
}

/* Snap cards: accent left-border on hover */
.snap-card {
  border-left: 2px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.snap-card:hover {
  background: var(--surface-h);
  border-color: var(--accent-25);
}

/* Stats bar: items get left-border fill animation on intersection */
.stat-item {
  border-left: 2px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.stat-item:hover { border-color: var(--accent) }

.hero-stats.stats-visible .stat-item {
  animation: statBarIn var(--transition-premium) var(--ease) both;
}

.hero-stats.stats-visible .stat-item:nth-child(1) { animation-delay: 0.00s }
.hero-stats.stats-visible .stat-item:nth-child(3) { animation-delay: 0.08s }
.hero-stats.stats-visible .stat-item:nth-child(5) { animation-delay: 0.16s }
.hero-stats.stats-visible .stat-item:nth-child(7) { animation-delay: 0.24s }

@keyframes statBarIn {
  from { opacity: 0; transform: translateY(8px) }
  to   { opacity: 1; transform: translateY(0) }
}

/* Scroll-down cue */
.scroll-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  opacity: 1;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
}

.scroll-cue.hidden { opacity: 0 }

.scroll-cue-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollCueDrop 1.6s ease-in-out infinite;
}

.scroll-cue-label {
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

@keyframes scrollCueDrop {
  0%   { transform: scaleY(0); transform-origin: top;    opacity: 0 }
  40%  { transform: scaleY(1); transform-origin: top;    opacity: 1 }
  60%  { transform: scaleY(1); transform-origin: bottom; opacity: 1 }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0 }
}

/* Buttons: improved primary */
.btn-primary {
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-accent);
}

.btn-primary:active { transform: translateY(0); box-shadow: none }

/* Magnetic effect — driven by JS; CSS var updated on mousemove */
.btn-primary.magnetic {
  transform: translate(var(--btn-dx), var(--btn-dy)) translateY(-2px);
}

.btn-outline {
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn-outline:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-xs);
}


/* ══════════════════════════════════════════════════════════════
   MODULE 3 — PROJECT CARDS
   ══════════════════════════════════════════════════════════════ */

/* Featured card: richer hover lift */
.proj-featured {
  transition:
    box-shadow var(--transition-premium),
    transform var(--transition-premium),
    border-color var(--transition-premium);
}

.proj-featured:hover {
  box-shadow: var(--sh-xl), var(--sh-accent);
  transform: translateY(-4px);
  border-color: var(--accent-25);
}

/* Featured: left-border accent line that grows down on hover */
.proj-feat-body {
  position: relative;
  transition: border-color var(--transition-premium);
}

.proj-feat-body::before {
  content: '';
  position: absolute;
  left: -1px; top: 0;
  width: 2px;
  height: 0%;
  background: var(--accent);
  border-radius: 1px;
  transition: height 0.5s var(--ease);
}

.proj-featured:hover .proj-feat-body::before { height: 100% }

/* Featured image: brightness + saturation on hover */
.proj-feat-img img {
  filter: saturate(0.88) brightness(0.97);
  transition: transform 0.65s var(--ease), filter 0.65s var(--ease);
}

.proj-featured:hover .proj-feat-img img {
  transform: scale(1.04);
  filter: saturate(1.08) brightness(1.02);
}

/* Featured badge: frosted glass lift */
.proj-feat-badge {
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.proj-featured:hover .proj-feat-badge {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}

/* Grid cards: shadow lift + border accent + glow overlay */
/* (transition consolidated into B-03 block below) */

/* Mouse-tracking glow overlay */
.proj-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    400px circle at var(--card-glow-x) var(--card-glow-y),
    var(--accent-dim),
    transparent 65%
  );
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  pointer-events: none;
  z-index: 0;
}

.proj-card:hover::before { opacity: 1 }
.proj-card:hover { box-shadow: var(--sh-lg); }

/* Card body above glow overlay */
.proj-body { position: relative; z-index: 1 }
.proj-img-wrap { position: relative; z-index: 1 }

/* Grid image: saturation pump on hover */
.proj-img-wrap img {
  filter: saturate(0.88) brightness(0.97);
  transition: transform 0.55s var(--ease), filter 0.55s var(--ease);
}

.proj-card:hover .proj-img-wrap img {
  transform: scale(1.02);
  filter: saturate(1.08) brightness(1.02);
}

/* Project type badge: stronger accent on hover */
.proj-type {
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.proj-card:hover .proj-type {
  background: var(--accent-15);
  border-color: var(--accent-25);
}

/* Stack pills: lift on hover */
.pill {
  transition: border-color var(--transition-fast), transform var(--transition-fast),
              background var(--transition-fast);
}

.pill:hover {
  border-color: var(--accent-25);
  transform: translateY(-1px);
  background: var(--surface);
}

/* Proj link arrow: slide in on hover */
.proj-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.proj-link:not(.proj-link-unavail):hover { gap: 7px; color: var(--accent) }

/* GitHub CTA: accent background on hover */
.github-cta {
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  border-left: 2px solid transparent;
}

.github-cta:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: var(--sh-sm);
}

/* Project link primary button */
.proj-link-primary {
  transition: background var(--transition-fast), transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.proj-link-primary:hover {
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--accent-25);
}


/* ══════════════════════════════════════════════════════════════
   MODULE 4 — TECH STACK / SKILLS
   ══════════════════════════════════════════════════════════════ */

/* Stack pills: lift + shadow + coloured glow per category */
.stack-pill {
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.stack-pill:hover {
  transform: translateY(-2px);
  box-shadow: var(--sh-sm);
}

.stack-pill.fe:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 4px 12px var(--accent-15);
}

.stack-pill.be:hover {
  border-color: var(--warm);
  background: var(--warm-dim);
  box-shadow: 0 4px 12px var(--warm-15);
}

.stack-pill.sec:hover {
  background: rgba(220, 38, 38, 0.06);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.12);
}

[data-theme="dark"] .stack-pill.sec:hover {
  background: rgba(252, 165, 165, 0.08);
  box-shadow: 0 4px 12px rgba(252, 165, 165, 0.14);
}

/* Cluster labels: animated growing line */
.cluster-label {
  position: relative;
  overflow: hidden;
}

.stack-cluster.in .cluster-label::before {
  content: '';
  display: inline-block;
  width: 0;
  height: 1px;
  background: var(--accent);
  margin-right: 0;
  vertical-align: middle;
  transition: width 0.5s var(--ease), margin-right 0.5s var(--ease);
}

/* Cluster stagger reveal */
.stack-cluster {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
}

.stack-cluster.in {
  opacity: 1;
  transform: translateY(0);
}

.stack-cluster.in .cluster-label::before {
  width: 18px;
  margin-right: 10px;
}

/* Learning pills: warm pulsing left border */
.learning-pill {
  position: relative;
  transition: background var(--transition-fast), border-color var(--transition-fast),
              transform var(--transition-fast);
}

.learning-pill::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2px;
  background: var(--warm);
  border-radius: 1px;
  animation: warmPulse 2.2s ease-in-out infinite;
}

@keyframes warmPulse {
  0%, 100% { opacity: 0.3 }
  50%       { opacity: 1   }
}

.learning-pill:hover {
  transform: translateY(-1px);
  background: var(--warm-dim);
  border-color: var(--warm-15);
}

/* Stack intro: top accent rule fills on scroll */
.stack-intro {
  position: relative;
}

.stack-intro::before {
  content: '';
  position: absolute;
  top: -8px; left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.7s var(--ease) 0.1s;
}

.stack-intro.in::before { width: 40px }


/* ══════════════════════════════════════════════════════════════
   MODULE 5 — EXPLORATION LAB
   ══════════════════════════════════════════════════════════════ */

/* Lab card: status-coloured top border */
.lab-card {
  border-top: 2px solid var(--border);
  transition:
    background var(--transition-fast),
    border-color var(--transition-premium),
    box-shadow var(--transition-premium);
}

.lab-card[data-status="active"] {
  border-top-color: var(--green);
}

.lab-card[data-status="exploring"] {
  border-top-color: var(--amber-s);
}

/* Card hover: lift + faint accent gradient top */
.lab-card:hover {
  background: var(--surface-h);
  box-shadow: var(--sh-md);
}

.lab-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--accent-dim) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-premium);
  pointer-events: none;
  border-radius: inherit;
}

.lab-card:hover::before { opacity: 1 }

/* Lab dot: larger with glow ring */
.lab-dot {
  width: 7px; height: 7px;
  transition: box-shadow var(--transition-fast);
}

.lab-dot.active {
  box-shadow: 0 0 0 3px var(--green-dim);
  animation: pulse-dot 2s ease-in-out infinite;
}

.lab-dot.exploring {
  box-shadow: 0 0 0 3px var(--amber-dim);
}

/* Lab card number: lift opacity on hover */
.lab-num {
  font-size: 3rem;
  transition: opacity var(--transition-premium);
}

.lab-card:hover .lab-num { opacity: 0.10 }

/* Lab tools pills: accent on hover */
.lab-pill {
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    transform var(--transition-fast);
}

.lab-pill:hover {
  background: var(--accent-dim);
  border-color: var(--accent-15);
  transform: translateY(-1px);
}

/* Lab card name: slide up subtly on card hover */
.lab-card:hover .lab-name {
  color: var(--accent);
  transition: color var(--transition-fast);
}


/* ══════════════════════════════════════════════════════════════
   MODULE 6 — CONTACT SECTION
   ══════════════════════════════════════════════════════════════ */

/* Section: subtle radial depth behind content */
.contact-section {
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 140%;
  background: radial-gradient(ellipse at center, var(--accent-dim) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}

.contact-section .section-inner { position: relative; z-index: 1 }

/* Contact heading em: underline that scales in on scroll */
.contact-section .section-title em {
  position: relative;
}

.contact-section .section-title em::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s var(--ease) 0.3s;
}

.contact-section.in .section-title em::after { transform: scaleX(1) }

/* CI items: full premium hover */
.ci-item {
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast),
    background var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.ci-item:not(.ci-location):hover {
  border-color: var(--accent-25);
  box-shadow: var(--sh-sm), 0 0 0 1px var(--accent-dim);
  transform: translateX(5px);
  background: var(--surface-h);
}

/* CI icon: accent background on parent hover */
.ci-icon {
  transition: background var(--transition-fast), border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.ci-item:not(.ci-location):hover .ci-icon {
  background: var(--accent-dim);
  border-color: var(--accent-25);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* CI items: external link arrow slides in */
.ci-item[href]::after {
  content: '↗';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%) translateX(-6px);
  opacity: 0;
  font-size: 11px;
  color: var(--accent);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.ci-item:not(.ci-location):hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

/* Footer links: underline on hover */
.foot-links a {
  position: relative;
}

.foot-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 100%;
  height: 1px;
  background: var(--text);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.foot-links a:hover::after { transform: scaleX(1) }


/* ══════════════════════════════════════════════════════════════
   REVEAL SYSTEM — PREMIUM STAGGER
   ══════════════════════════════════════════════════════════════ */

/* Upgrade base reveal — slightly more travel */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.in { opacity: 1; transform: translateY(0) }

/* Cert cards: individual hover lift */
.cert-card {
  transition:
    background var(--transition-fast),
    box-shadow var(--transition-premium),
    transform var(--transition-premium),
    border-color var(--transition-fast);
  border-top: 2px solid transparent;
}

.cert-card:hover {
  background: var(--surface-h);
  box-shadow: var(--sh-md);
  transform: translateY(-2px);
  border-top-color: var(--accent-25);
}

/* tl-dot hidden — replaced by card-style layout */

/* Impact items: accent icon background on hover */
.impact-item {
  transition: background var(--transition-fast);
}

.impact-item:hover {
  background: var(--surface-h);
}


/* ══════════════════════════════════════════════════════════════
   REDUCED MOTION OVERRIDE
   All new animations respect the user preference.
   ══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  /* Kill all new keyframe animations */
  .status-dot::before,
  .scroll-cue-line,
  .hero-photo-tag,
  .learning-pill::before,
  #mobileMenu.open .mob-nav a,
  .hero-stats.stats-visible .stat-item {
    animation: none !important;
  }

  /* Kill gradient shimmer on name — show text normally */
  .hero-name-line,
  .hero-name-italic {
    animation: none !important;
    background: none !important;
    -webkit-text-fill-color: var(--text) !important;
  }
  .hero-name-italic { -webkit-text-fill-color: var(--text2) !important }
  .hero-name-italic em { -webkit-text-fill-color: var(--accent) !important }

  /* Reduce all transition durations to near-instant */
  .nav-cta, .theme-btn, .proj-card, .proj-featured,
  .stack-pill, .lab-card, .ci-item, .cert-card,
  .hero-photo-placeholder {
    transition-duration: 0.01ms !important;
  }

  /* Disable tilt & magnetic */
  .hero-photo-placeholder {
    transform: none !important;
  }
}


/* ══════════════════════════════════════════════════════════════
   MOBILE GUARD — disable pointer/mouse effects on touch
   ══════════════════════════════════════════════════════════════ */

@media (hover: none) {
  /* No glow overlay on touch devices */
  .proj-card::before { display: none }
  .contact-section::before { display: none }

  /* No tilt on touch */
  .hero-photo-placeholder {
    transform: none !important;
  }

  /* Simplify nav cta shimmer */
  .nav-cta::after { display: none }
}/* ============================================================
   PHASE B — PREMIUM MOTION DESIGN
   Append this entire block to the END of style.css.
   Zero original rules deleted. All tokens reuse existing vars.
   All animations honour prefers-reduced-motion.
   ============================================================ */


/* ── B-00. NEW MOTION TOKENS ─────────────────────────────────── */
/* Added to :root — supplement existing --transition-* vars       */

:root {
  --ease-spring:  cubic-bezier(0.34, 1.56, 0.64, 1);   /* springy overshoot  */
  --ease-out:     cubic-bezier(0.0,  0.0,  0.2,  1.0); /* standard ease-out  */
  --reveal-dur:   0.72s;                                /* scroll reveal base */
  --stagger-step: 0.08s;                                /* stagger increment  */
}


/* ══════════════════════════════════════════════════════════════
   B-01. HERO ENTRANCE — richer stagger with clip-path wipe
   Applied to .he elements that JS already promotes with .go.
   The existing translateY fade is kept; we add a clip-path
   that wipes upward, revealing each element from the baseline.
   ══════════════════════════════════════════════════════════════ */

/* Extend the existing .he base state with a clip-path */
.he {
  clip-path: inset(0 0 100% 0);                 /* hidden below clip     */
  /* existing: opacity:0; transform:translateY(18px) */
}

.he.go {
  clip-path: inset(0 0 0% 0);                   /* fully revealed        */
  /* existing: opacity:1; transform:translateY(0) */
  transition:
    opacity      var(--reveal-dur) var(--ease),
    transform    var(--reveal-dur) var(--ease),
    clip-path    var(--reveal-dur) var(--ease);
}

/* Hero name — extra pop: scale up from 0.94 on reveal */
.hero-name.he.go {
  transition:
    opacity   var(--reveal-dur) var(--ease),
    transform var(--reveal-dur) var(--ease),
    clip-path var(--reveal-dur) var(--ease);
}
.hero-name.he { transform: translateY(24px) scale(0.97) }
.hero-name.he.go { transform: translateY(0) scale(1) }

/* Hero status pill — spring entrance */
.hero-status.he.go {
  transition:
    opacity   0.55s var(--ease-spring),
    transform 0.55s var(--ease-spring),
    clip-path 0.55s var(--ease-spring);
}
.hero-status.he { transform: translateY(12px) scale(0.92) }
.hero-status.he.go { transform: translateY(0) scale(1) }

/* Hero buttons — each btn gets individual spring lift */
.hero-btns.he.go {
  transition:
    opacity   0.6s var(--ease-spring) 0.38s,
    transform 0.6s var(--ease-spring) 0.38s,
    clip-path 0.6s var(--ease-spring) 0.38s;
}

/* Photo column — gentle zoom-in from slight scale */
.hero-photo-col.he { transform: translateY(20px) scale(0.96) }
.hero-photo-col.he.go {
  transform: translateY(0) scale(1);
  transition:
    opacity   0.85s var(--ease) 0.16s,
    transform 0.85s var(--ease) 0.16s,
    clip-path 0.85s var(--ease) 0.16s;
}

/* Snap cards column — slides from right */
.hero-snap.he { transform: translateX(20px); clip-path: inset(0 100% 0 0) }
.hero-snap.he.go {
  transform: translateX(0);
  clip-path: inset(0 0% 0 0);
  transition:
    opacity   0.7s var(--ease) 0.26s,
    transform 0.7s var(--ease) 0.26s,
    clip-path 0.7s var(--ease) 0.26s;
}

/* Stats bar — slides up from bottom */
.hero-stats.he { transform: translateY(28px) }
.hero-stats.he.go {
  transition:
    opacity   0.7s var(--ease) 0.38s,
    transform 0.7s var(--ease) 0.38s,
    clip-path 0.7s var(--ease) 0.38s;
}


/* ══════════════════════════════════════════════════════════════
   B-02. SCROLL REVEAL — upgraded .reveal system
   The existing .reveal { opacity:0; transform:translateY(24px) }
   gains a clip-path and per-variant overrides for more life.
   ══════════════════════════════════════════════════════════════ */

/* Base: add clip-path to existing translateY fade */
.reveal {
  clip-path: inset(0 0 20% 0);
  transition:
    opacity   var(--reveal-dur) var(--ease),
    transform var(--reveal-dur) var(--ease),
    clip-path var(--reveal-dur) var(--ease);
}

.reveal.in {
  clip-path: inset(0 0 0% 0);
  /* existing: opacity:1; transform:translateY(0) already set */
}

/* Stagger delays — extend existing d1-d5 for more precision */
.reveal.d1 { transition-delay: calc(var(--stagger-step) * 1) }
.reveal.d2 { transition-delay: calc(var(--stagger-step) * 2) }
.reveal.d3 { transition-delay: calc(var(--stagger-step) * 3) }
.reveal.d4 { transition-delay: calc(var(--stagger-step) * 4) }
.reveal.d5 { transition-delay: calc(var(--stagger-step) * 5) }

/* Section headings — emphasise scale entrance */
.section-title.reveal {
  transform: translateY(20px) scale(0.98);
}
.section-title.reveal.in {
  transform: translateY(0) scale(1);
}

/* Eyebrow tags — slide in from left */
.eyebrow.reveal {
  transform: translateX(-10px) translateY(0);
  clip-path: inset(0 100% 0 0);
}
.eyebrow.reveal.in {
  transform: translateX(0);
  clip-path: inset(0 0% 0 0);
}

/* Impact bar items — cascade stagger */
.impact-item:nth-child(1) { transition-delay: 0.05s }
.impact-item:nth-child(3) { transition-delay: 0.14s }
.impact-item:nth-child(5) { transition-delay: 0.23s }


/* ══════════════════════════════════════════════════════════════
   B-03. PROJECT CARD INTERACTIONS — depth, tilt, link arrow
   Upgrades existing .proj-card and .proj-featured states.
   ══════════════════════════════════════════════════════════════ */

/* List card: full consolidated rule */
.proj-card {
  position: relative;
  overflow: hidden;
  transform-origin: center;
  transition:
    background    var(--transition-fast),
    box-shadow    var(--transition-premium),
    border-color  var(--transition-fast),
    transform     var(--transition-premium);
}

.proj-card:hover {
  box-shadow: var(--sh-lg);
  border-color: var(--accent-25);
  transform: translateX(4px);
}

/* Re-assert z-index so glow sits BEHIND content */
.proj-card::before { z-index: 0 }
.proj-img-wrap      { position: relative; z-index: 1; overflow: hidden }
.proj-body          { position: relative; z-index: 1 }

/* Card number badge — count-up reveal on hover */
.proj-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  transition:
    color       var(--transition-fast),
    transform   var(--transition-fast),
    letter-spacing var(--transition-fast);
}
.proj-card:hover .proj-idx,
.proj-featured:hover .proj-idx {
  color: var(--accent);
  transform: scale(1.15);
  letter-spacing: 0.04em;
}

/* Project name — accent colour appears on hover */
.proj-name {
  transition: color var(--transition-fast);
}
.proj-card:hover .proj-name,
.proj-featured:hover .proj-name {
  color: var(--accent);
}

/* Stack pills inside cards — stagger lift on card hover */
.proj-card:hover .pill:nth-child(1) { transition-delay: 0.00s }
.proj-card:hover .pill:nth-child(2) { transition-delay: 0.04s }
.proj-card:hover .pill:nth-child(3) { transition-delay: 0.08s }
.proj-card:hover .pill:nth-child(4) { transition-delay: 0.12s }
.proj-card:hover .pill:nth-child(5) { transition-delay: 0.16s }

/* Card left accent bar — grows downward on hover */
.proj-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease);
  border-radius: 0;
  z-index: 2;
}
.proj-card:hover::after { transform: scaleY(1) }

/* Featured: deeper shadow + stronger lift  */
.proj-featured:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-xl), var(--sh-accent-lg);
}

/* Proj-link-primary: icon rotates on hover */
.proj-link-primary svg {
  transition: transform var(--transition-fast);
}
.proj-link-primary:hover svg {
  transform: rotate(-8deg) scale(1.15);
}


/* ══════════════════════════════════════════════════════════════
   B-04. NAVIGATION MICRO-INTERACTIONS
   Supplements the existing sliding underline & shimmer.
   ══════════════════════════════════════════════════════════════ */

/* Nav logo wordmark — character spacing breathes on hover */
.nav-wordmark {
  transition:
    letter-spacing var(--transition-fast),
    opacity        var(--transition-fast);
}
.nav-logo:hover .nav-wordmark {
  letter-spacing: 0.02em;
}

/* Active nav link — fill background pill instead of just colour */
.nav-links a {
  border-radius: var(--r-sm);
  transition:
    color       var(--transition-fast),
    background  var(--transition-fast);
}
.nav-links a:hover {
  background: var(--accent-dim);
}
.nav-links a.nav-active {
  background: var(--accent-dim);
}

/* Hamburger lines — third line mirrors first on hover */
.hamburger:hover span:nth-child(3) {
  width: 100%;
}
.hamburger span:nth-child(3) {
  width: 80%;
  transition: transform 0.3s var(--ease), opacity 0.3s, width 0.25s var(--ease);
}

/* Nav CTA — subtle pulse ring when not scrolled */
@keyframes ctaPulse {
  0%   { box-shadow: 0 0 0 0   var(--accent-15) }
  70%  { box-shadow: 0 0 0 6px transparent       }
  100% { box-shadow: 0 0 0 0   transparent       }
}
/* Pulse only on the Available for Work button, once every 4s,
   when the user has been idle at the top of the page */
.nav-cta {
  animation: ctaPulse 4s var(--ease) 5s infinite;
}
/* Stop pulsing once user scrolls (nav gains .scrolled) */
#nav.scrolled .nav-cta {
  animation: none;
}

/* Progress bar: accent tip glow */
#progress::after {
  content: '';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 6px 2px var(--accent-25);
  opacity: 0;
  transition: opacity 0.2s;
}
#progress[style*="width: 0"] + * ~ #progress::after { opacity: 0 }
/* Show tip whenever progress > 0 — driven by inline width */
#progress:not([style*="width: 0%"])::after { opacity: 1 }


/* ══════════════════════════════════════════════════════════════
   B-05. PREMIUM HOVER STATES — about, timeline, certifications
   ══════════════════════════════════════════════════════════════ */

/* Chapter list items — slide-in left accent */
.chapter {
  position: relative;
  padding-left: 0;
  transition:
    padding-left  var(--transition-premium),
    background    var(--transition-fast);
  border-radius: var(--r-sm);
}

.chapter::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--accent);
  border-radius: var(--r-xs);
  transition: width var(--transition-fast);
}

.chapter:hover {
  padding-left: 12px;
  background: var(--accent-dim);
}
.chapter:hover::before { width: 2px }

/* Chapter number — accent on hover */
.chapter-num {
  transition: color var(--transition-fast), transform var(--transition-fast);
}
.chapter:hover .chapter-num {
  color: var(--accent);
  transform: scale(1.06);
}

/* Timeline entries — dot pulse on hover already in Phase A;
   add a left panel highlight to the content area */
/* tl-entry hover now handled by card-level hover rule above */
.tl-entry:hover .tl-role { color: var(--accent); transition: color var(--transition-fast); }

/* Cert cards — already have lift; add number highlight */
.cert-card .cert-org {
  transition: color var(--transition-fast);
}
.cert-card:hover .cert-org { color: var(--accent) }


/* ══════════════════════════════════════════════════════════════
   B-06. SMOOTH TRANSITIONS — page-wide polish
   ══════════════════════════════════════════════════════════════ */

/* Dividers — fade in on scroll via .reveal (add class in HTML tip below) */
.divider {
  opacity: 0;
  transition: opacity 0.8s var(--ease);
}
.divider.in { opacity: 1 }

/* Section inner — subtle blur-in from slightly defocused state */
.section-inner {
  transition: filter 0.4s var(--ease);
}

/* Footer links — already have underline; add lift */
.foot-links a {
  transition:
    color      var(--transition-fast),
    transform  var(--transition-fast);
  display: inline-block;
}
.foot-links a:hover { transform: translateY(-2px) }

/* Lang tags — pop on hover */
.lang-tag {
  transition:
    transform  var(--transition-fast),
    background var(--transition-fast),
    border-color var(--transition-fast);
  cursor: default;
  display: inline-block;
}
.lang-tag:hover {
  transform: translateY(-2px) scale(1.04);
  background: var(--accent-dim);
  border-color: var(--accent-15);
}

/* Ticker — pause on hover */
.ticker-inner {
  transition: animation-play-state 0.2s;
}
.ticker-wrap:hover .ticker-inner {
  animation-play-state: paused;
}

/* Photo — image colour saturates on reveal instead of just loading flat */
.hero-photo-col.he.go .hero-photo-placeholder img {
  animation: photoReveal 1.2s var(--ease) 0.4s both;
}

@keyframes photoReveal {
  from { filter: saturate(0) contrast(0.9) brightness(0.95) }
  to   { filter: saturate(0.92) contrast(1.02) brightness(1) }
}

/* Scroll-cue label — blink attention after 2s */
.scroll-cue-label {
  animation: cueLabelFade 2s ease-in-out 2s infinite alternate;
}
@keyframes cueLabelFade {
  from { opacity: 0.4 }
  to   { opacity: 1   }
}


/* ══════════════════════════════════════════════════════════════
   B-07. PREFERS-REDUCED-MOTION OVERRIDES
   All Phase B additions are silenced for accessibility.
   ══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  /* Kill Phase B entrance animations */
  .he,
  .he.go,
  .hero-name.he,
  .hero-status.he,
  .hero-btns.he.go,
  .hero-photo-col.he,
  .hero-snap.he {
    clip-path: none !important;
    transform:  none !important;
    transition: opacity 0.01ms !important;
  }

  .reveal {
    clip-path: none !important;
    transition: opacity 0.01ms !important;
  }

  /* Kill nav pulse and progress glow */
  .nav-cta { animation: none !important }
  #progress::after { display: none }

  /* Kill photo colour reveal */
  .hero-photo-col.he.go .hero-photo-placeholder img {
    animation: none !important;
  }

  /* Kill scroll-cue blink */
  .scroll-cue-label { animation: none !important }

  /* Kill chapter, chapter-num and tl hover transforms */
  .chapter:hover,
  .chapter:hover::before,
  .chapter:hover .chapter-num,
  .tl-entry:hover,
  .lang-tag:hover,
  .foot-links a:hover,
  .proj-card:hover,
  .proj-featured:hover {
    transform: none !important;
    animation: none !important;
  }

  /* Still allow colour changes (safe, non-motion) */
}

/* Dividers: clip-path wipe not needed — just fade */
.divider.reveal {
  clip-path: none;
  transform: none;
}
.divider.reveal.in {
  opacity: 1;
  clip-path: none;
  transform: none;
}