/* ============================================================
   WeiEn Weng — Personal Brand Website
   Style: Earthy Modern | Palette: Teal + Sage
   ============================================================ */

/* 1. FONTS */
@font-face {
  font-family: 'AmsterdamFour';
  src: url('../fonts/AmsterdamFour.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   2. DESIGN TOKENS
   ============================================================ */
:root {
  /* Background */
  --bg:          #f4f2ed;
  --bg-alt:      #ece9e3;
  --surface:     #ffffff;
  --surface-2:   #f9f8f5;

  /* Borders */
  --border:      #dedad2;
  --border-2:    #cac6bc;

  /* Text */
  --text:        #131917;
  --text-2:      #4c524e;
  --text-3:      #8a918d;

  /* Accent Palette (from brand) */
  --accent:      #3b555d;
  --accent-h:    #2e4349;
  --green:       #738e79;
  --sage:        #85937a;
  --sand:        #a9af90;
  --stone:       #7b7966;

  /* Typography */
  --font:        'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --nav-h:       5.5rem;
  --px:          clamp(1.25rem, 5vw, 5rem);
  --py:          clamp(4rem, 8vw, 7rem);

  /* Motion */
  --ease:        cubic-bezier(0.65, 0.05, 0, 1);
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --dur:         0.6s;
  --dur-fast:    0.25s;
  --dur-slow:    1s;
}

[data-theme="dark"] {
  --bg:          #0e1412;
  --bg-alt:      #131917;
  --surface:     #171c1a;
  --surface-2:   #1c2220;
  --border:      #242d2a;
  --border-2:    #2e3a36;
  --text:        #eae8e1;
  --text-2:      #8a918d;
  --text-3:      #525a57;
  --accent:      #5a7d87;
  --accent-h:    #6b8e99;
  --sand:        #b8be9f;
}

/* ============================================================
   3. CSS RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto; /* Lenis handles scrolling */
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
  cursor: none;
}

img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: none; border: none; background: none; font: inherit; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.1; }

/* ============================================================
   4. TYPOGRAPHY SCALE
   ============================================================ */
.text-display {
  font-size: clamp(3.5rem, 11vw, 10rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.text-h1 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.text-h2 {
  font-size: clamp(1.75rem, 4vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.text-h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.875rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.text-body  { font-size: clamp(1rem, 1.5vw, 1.125rem); line-height: 1.75; }
.text-small { font-size: 0.875rem; line-height: 1.55; }
.text-xs    { font-size: 0.75rem; line-height: 1.5; }
.text-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.text-muted  { color: var(--text-2); }
.text-accent { color: var(--accent); }
.text-center { text-align: center; }
.text-right  { text-align: right; }

/* ============================================================
   5. LAYOUT
   ============================================================ */
.container {
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--px);
}

.container--narrow { max-width: 800px; }
.container--wide   { max-width: 1440px; }

.section {
  padding-block: var(--py);
}

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section__label::before {
  content: '';
  display: block;
  width: 1.75rem;
  height: 1px;
  background: currentColor;
  flex-shrink: 0;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ============================================================
   6. CUSTOM CURSOR
   ============================================================ */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: normal;
}

.cursor__dot {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.2s, background 0.2s;
}

.cursor__ring {
  position: absolute;
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition:
    width 0.35s var(--ease-out),
    height 0.35s var(--ease-out),
    opacity 0.3s,
    background 0.3s,
    border-radius 0.3s;
  opacity: 0.55;
}

.cursor__label {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  opacity: 0;
  transition: opacity 0.2s;
  white-space: nowrap;
  pointer-events: none;
}

/* Cursor states */
.cursor--hover  .cursor__ring { width: 52px; height: 52px; opacity: 0.35; }
.cursor--view   .cursor__ring { width: 76px; height: 76px; background: var(--accent); opacity: 0.92; }
.cursor--view   .cursor__label { opacity: 1; }
.cursor--text   .cursor__ring { width: 3px; height: 30px; border-radius: 2px; opacity: 0.75; }
.cursor--drag   .cursor__ring { width: 64px; height: 64px; background: var(--accent); opacity: 0.88; }
.cursor--drag   .cursor__label { opacity: 1; }

/* ============================================================
   7. LOADING SCREEN
   ============================================================ */
.loader {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  transition: transform 0.9s var(--ease);
}

.loader.is-done {
  transform: translateY(-100%);
}

.loader__logo {
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--accent);
}

/* ── LOADER MARK: inline SVG extracted from AmsterdamFour.ttf ── */
/*
 * The SVG contains the actual glyph paths for "Weng" at 72 px.
 * viewBox="-10 -65 276 181" fully contains the W's sweeping arc
 * (x: -4 → 259, y: -59 → 110) with 6 px margin on every side.
 *
 * No overflow:hidden, no CSS clip-path anywhere.
 * The W is revealed via an SVG <clipPath> whose rect grows left→right
 * (SMIL animate). eng snaps visible when the W finishes drawing.
 */
.loader__logo-svg {
  height: 6.5rem;        /* scales the entire viewBox proportionally  */
  width: auto;           /* 276/181 × 6.5rem ≈ 9.9rem wide            */
  display: block;
  margin: 0 auto;        /* horizontal centering fallback              */
  overflow: visible;     /* SVG viewport never clips the paths         */
  color: var(--accent);  /* currentColor fill inherits accent colour   */
}

.loader__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 180px;
}

.loader__count {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

.loader__bar {
  width: 100%;
  height: 1px;
  background: var(--border);
  overflow: hidden;
}

.loader__fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.08s linear;
}

/* ============================================================
   8. PAGE TRANSITION OVERLAY
   ============================================================ */
.page-transition {
  position: fixed;
  inset: 0;
  background: var(--accent);
  z-index: 9997;
  transform: scaleY(0);
  transform-origin: bottom;
  pointer-events: none;
}

/* ============================================================
   9. SCROLL PROGRESS BAR
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: var(--accent);
  z-index: 200;
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* ============================================================
   10. NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition:
    background var(--dur-fast) var(--ease),
    backdrop-filter var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
}

.nav.is-scrolled {
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: var(--px);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
  flex-shrink: 0;
  text-decoration: none;
  overflow: visible; /* never clip the script font's ascenders/descenders */
}

/* ── WENG NAV LOGO ── */
.logo-weng {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  /* Top padding gives clearance for the tall 'W' ascender */
  padding-top: 0.3rem;
  /* Bottom padding gives room for the 'g' descender tail */
  padding-bottom: 0.45rem;
  /* Never clip any part of the script letterforms */
  overflow: visible;
}

/* Full "Weng" text in Amsterdam Four */
.logo-weng-text {
  font-family: 'AmsterdamFour', serif;
  font-size: 1.625rem;
  font-weight: normal;
  line-height: 1;
  color: var(--accent);
  display: inline-block;
  overflow: visible;        /* allow descenders to extend past box */
  white-space: nowrap;
}

/*
 * W — no clip-path. Fades + rises into place after loader.
 * This keeps the letter fully visible at all sizes.
 */
.logo-w-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(4px);
  transition: none;
}

.logo-w-char.is-animated {
  animation: logo-w-rise 0.65s var(--ease-out) forwards;
}

/* "eng" follows 120 ms later */
.logo-eng-chars {
  display: inline-block;
  opacity: 0;
  transform: translateY(4px);
}

.logo-eng-chars.is-animated {
  animation: logo-w-rise 0.55s var(--ease-out) 0.12s forwards;
}

/* Thin accent line — draws in under the word mark */
.logo-accent-line {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--accent);
  opacity: 0;
  transform: scaleX(0);
  transform-origin: left;
  /* sits just below the text, above the descender area */
  margin-top: 2px;
}

.logo-accent-line.is-animated {
  animation: logo-line-draw 0.45s var(--ease-out) 0.6s forwards;
}

@keyframes logo-w-rise {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes logo-line-draw {
  0%   { opacity: 1; transform: scaleX(0); }
  100% { opacity: 0.5; transform: scaleX(1); }
}

/* Hover — subtle scale on the whole mark */
.nav__logo:hover .logo-weng-text {
  transition: transform 0.3s var(--ease-out);
  transform: scale(1.04);
}

.nav__logo:hover .logo-accent-line {
  opacity: 0.5;
  transform: scaleX(1);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 0.125rem;
}

.nav__links a {
  position: relative;
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--dur-fast) var(--ease);
}

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0.875rem;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--dur-fast) var(--ease-out);
}

.nav__links a:hover,
.nav__links a.active { color: var(--text); }

.nav__links a:hover::after,
.nav__links a.active::after { width: calc(100% - 1.75rem); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.btn-icon {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--text-2);
  transition: background var(--dur-fast), color var(--dur-fast);
}

.btn-icon:hover {
  background: var(--surface-2);
  color: var(--text);
}

.btn-icon svg { width: 18px; height: 18px; }

/* Hamburger */
.nav__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
}

.nav__burger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease), opacity 0.35s;
}

.nav__burger.is-open span:nth-child(1) { transform: rotate(45deg) translate(4.75px, 4.75px); }
.nav__burger.is-open span:nth-child(2) { opacity: 0; transform: translateX(-8px); }
.nav__burger.is-open span:nth-child(3) { transform: rotate(-45deg) translate(4.75px, -4.75px); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 99;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  padding: var(--px);
  gap: 0.25rem;
  transform: translateX(100%);
  transition: transform 0.65s var(--ease);
}

.mobile-menu.is-open { transform: translateX(0); }

.mobile-menu__link {
  font-size: clamp(2.25rem, 9vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-3);
  transition: color 0.25s;
  overflow: hidden;
  line-height: 1.1;
}

.mobile-menu__link span {
  display: block;
  transform: translateY(110%);
  transition: transform 0.55s var(--ease);
}

.mobile-menu.is-open .mobile-menu__link span { transform: translateY(0); }

.mobile-menu__link:hover { color: var(--text); }

/* Stagger delay for mobile menu items */
.mobile-menu.is-open .mobile-menu__link:nth-child(1) span { transition-delay: 0.05s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(2) span { transition-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(3) span { transition-delay: 0.15s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(4) span { transition-delay: 0.2s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(5) span { transition-delay: 0.25s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(6) span { transition-delay: 0.3s; }
.mobile-menu.is-open .mobile-menu__link:nth-child(7) span { transition-delay: 0.35s; }

.mobile-menu__footer {
  position: absolute;
  bottom: 2.5rem;
  left: var(--px);
  right: var(--px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ============================================================
   11. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: 100px;
  transition: all var(--dur-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  isolation: isolate; /* Creates stacking context so ::before can use z-index:-1 without hiding behind bg */
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1; /* Below text content within isolated stacking context */
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
  border-radius: inherit;
}

.btn:hover::before { transform: scaleX(1); transform-origin: left; }
.btn > * { position: relative; z-index: 1; }

.btn--primary { background: var(--accent); color: #fff; }
.btn--primary::before { background: var(--accent-h); }

.btn--outline {
  border: 1.5px solid var(--border);
  color: var(--text);
  background: transparent;
}
.btn--outline::before { background: var(--accent); }
.btn--outline:hover { color: #fff; border-color: var(--accent); }

.btn--ghost { color: var(--text-2); }
.btn--ghost:hover { color: var(--text); }

.btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  transition: transform 0.3s var(--ease-out);
}
.btn:hover svg { transform: translateX(3px); }

/* ============================================================
   12. CARDS
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.125rem;
  overflow: hidden;
  transition:
    border-color var(--dur-fast),
    transform 0.5s var(--ease-out),
    box-shadow 0.5s var(--ease-out);
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateY(-5px);
  box-shadow: 0 24px 48px color-mix(in srgb, var(--accent) 8%, transparent);
}

.card__image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-alt);
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease);
}

.card:hover .card__image img { transform: scale(1.06); }

.card__body { padding: 1.5rem; }

.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.875rem;
}

.tag {
  padding: 0.25rem 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg-alt);
  color: var(--text-2);
  border-radius: 100px;
  border: 1px solid var(--border);
}

.tag--accent {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

/* ============================================================
   13. HERO
   ============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(3rem, 6vw, 6rem);
  padding-top: calc(var(--nav-h) + 2rem);
  padding-inline: var(--px);
  position: relative;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 55% at 65% 25%,
    color-mix(in srgb, var(--green) 10%, transparent),
    transparent 70%
  );
  pointer-events: none;
}

.hero__eyebrow {
  font-size: 0.875rem;
  color: var(--text-3);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.hero__eyebrow span { display: block; }

.hero__name {
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.hero__name span { display: block; }

.hero__meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero__typewriter {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--accent);
  font-weight: 500;
}

.hero__typewriter::after {
  content: '|';
  animation: cursor-blink 0.9s step-end infinite;
  margin-left: 1px;
}

.hero__divider {
  width: 1px;
  height: 1.25rem;
  background: var(--border);
}

.hero__tagline {
  font-size: 0.875rem;
  color: var(--text-3);
}

.hero__actions {
  display: flex;
  gap: 0.875rem;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  right: var(--px);
  bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  color: var(--text-3);
}

.hero__scroll-hint span {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 1.8s ease infinite;
}

/* ============================================================
   14. STATS BAR
   ============================================================ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  border: 1px solid var(--border);
  border-radius: 1.125rem;
  overflow: hidden;
  background: var(--surface);
}

.stat-item {
  padding: 1.875rem 1.5rem;
  border-right: 1px solid var(--border);
  text-align: center;
  transition: background var(--dur-fast);
}

.stat-item:last-child { border-right: none; }
.stat-item:hover { background: var(--surface-2); }

.stat-item__num {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.375rem;
  font-variant-numeric: tabular-nums;
}

.stat-item__label {
  font-size: 0.75rem;
  color: var(--text-3);
  font-weight: 500;
}

/* ============================================================
   15. MARQUEE
   ============================================================ */
.marquee-wrap {
  overflow: hidden;
  border-block: 1px solid var(--border);
  padding-block: 1rem;
  background: var(--surface);
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 22s linear infinite;
}

.marquee-wrap:hover .marquee-track { animation-play-state: paused; }

.marquee-item {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding-right: 3rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  white-space: nowrap;
  flex-shrink: 0;
}

.marquee-item .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

/* ============================================================
   16. TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 1.75rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.375rem;
  bottom: 0.375rem;
  width: 1px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__item::before {
  content: '';
  position: absolute;
  left: -2.125rem;
  top: 0.375rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--border-2);
  transition: border-color 0.25s, background 0.25s;
}

.timeline__item:hover::before {
  border-color: var(--accent);
  background: var(--accent);
}

.timeline__year {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.timeline__title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.timeline__place {
  font-size: 0.8125rem;
  color: var(--text-2);
  margin-bottom: 0.5rem;
}

.timeline__desc {
  font-size: 0.8125rem;
  color: var(--text-3);
  line-height: 1.65;
  max-width: 520px;
}

/* ============================================================
   17. EVENTS
   ============================================================ */
.events-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  color: var(--text-2);
  background: transparent;
  transition: all 0.2s var(--ease-out);
}

.filter-btn.active,
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.event-card {
  display: grid;
  grid-template-columns: 3.5rem 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  margin-bottom: 0.875rem;
  transition: border-color 0.2s, transform 0.35s var(--ease-out);
}

.event-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  transform: translateX(5px);
}

.event-date { text-align: center; }
.event-date .day {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.event-date .month {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
}

.event-info h3 {
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.event-info p {
  font-size: 0.8125rem;
  color: var(--text-2);
}

.event-countdown {
  font-size: 0.6875rem;
  color: var(--text-3);
  margin-top: 0.25rem;
  font-variant-numeric: tabular-nums;
}

.badge {
  padding: 0.3rem 0.875rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: 100px;
  flex-shrink: 0;
}

.badge--attending  { background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); }
.badge--speaking   { background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.badge--past       { background: var(--bg-alt); color: var(--text-3); }

/* ============================================================
   18. FORM
   ============================================================ */
.form-group {
  position: relative;
  margin-bottom: 1.375rem;
}

.form-group label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  font-size: 0.875rem;
  color: var(--text-3);
  pointer-events: none;
  transition: top 0.2s, font-size 0.2s, color 0.2s, background 0.2s, padding 0.2s;
}

.form-group input:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
  top: -0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--bg);
  padding: 0 0.25rem;
  left: 0.75rem;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 0.75rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: transparent; }

.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }

/* ============================================================
   19. FOOTER
   ============================================================ */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-top: clamp(3rem, 5vw, 5rem);
  padding-bottom: 2rem;
  padding-inline: var(--px);
}

.footer__top {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 4rem;
  padding-bottom: 2.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.footer__brand h3 { font-size: 1.125rem; margin-bottom: 0.625rem; }
.footer__brand p  { font-size: 0.8125rem; color: var(--text-2); max-width: 260px; line-height: 1.65; margin-bottom: 1.25rem; }

.footer__social {
  display: flex;
  gap: 0.5rem;
}

.footer__social a {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-3);
  font-size: 0.8125rem;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.footer__social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__col h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1rem;
}

.footer__col ul { display: flex; flex-direction: column; gap: 0.625rem; }

.footer__col a {
  font-size: 0.8125rem;
  color: var(--text-2);
  transition: color 0.2s;
}

.footer__col a:hover { color: var(--text); }

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-3);
}

/* ============================================================
   20. AVAILABILITY BADGE
   ============================================================ */
.availability {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background: color-mix(in srgb, var(--green) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--green) 28%, transparent);
  border-radius: 100px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--green);
}

.availability__dot {
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 1.6s ease infinite;
}

/* ============================================================
   21. NEWSLETTER
   ============================================================ */
.newsletter-box {
  background: var(--accent);
  color: #fff;
  border-radius: 1.5rem;
  padding: clamp(2rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}

.newsletter-box::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: color-mix(in srgb, white 6%, transparent);
  border-radius: 50%;
  pointer-events: none;
}

.newsletter-box h2 { color: #fff; margin-bottom: 0.5rem; }
.newsletter-box p  { color: color-mix(in srgb, white 65%, transparent); margin-bottom: 1.5rem; font-size: 0.9375rem; }

.newsletter-form {
  display: flex;
  gap: 0.75rem;
  max-width: 440px;
}

.newsletter-form input {
  flex: 1;
  padding: 0.875rem 1.25rem;
  background: color-mix(in srgb, white 14%, transparent);
  border: 1px solid color-mix(in srgb, white 24%, transparent);
  border-radius: 100px;
  color: #fff;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.newsletter-form input::placeholder { color: color-mix(in srgb, white 50%, transparent); }
.newsletter-form input:focus         { border-color: rgba(255,255,255,0.6); }

.newsletter-form .btn {
  background: #fff;
  color: var(--accent);
  flex-shrink: 0;
}

.newsletter-form .btn::before { background: var(--bg); }

/* ============================================================
   22. TESTIMONIALS / SOCIAL PROOF
   ============================================================ */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.25rem;
}

.testimonial {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.125rem;
  transition: border-color 0.2s, transform 0.35s var(--ease-out);
}

.testimonial:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  transform: translateY(-3px);
}

.testimonial__quote {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-2);
  margin-bottom: 1.375rem;
  font-style: italic;
  position: relative;
  padding-left: 1.25rem;
}

.testimonial__quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.25rem;
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
  font-style: normal;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.testimonial__avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 2px solid var(--border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.testimonial__name  { font-weight: 600; font-size: 0.875rem; margin-bottom: 0.1rem; }
.testimonial__role  { font-size: 0.75rem; color: var(--text-3); }

/* ============================================================
   23. GITHUB GRAPH
   ============================================================ */
.github-graph {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.125rem;
  overflow: hidden;
}

.github-graph img {
  width: 100%;
  height: auto;
}

[data-theme="dark"] .github-graph img {
  filter: invert(0.85) hue-rotate(180deg) saturate(1.4);
}

.github-graph__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.github-graph__user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
}

.github-graph__user a { color: var(--accent); }

/* ============================================================
   24. PORTFOLIO — FEATURED PROJECT
   ============================================================ */
.featured-work {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  padding: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.2s;
  cursor: pointer;
}

.featured-work:hover {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

.featured-work__media {
  aspect-ratio: 4 / 3;
  background: var(--bg-alt);
  border-radius: 0.875rem;
  overflow: hidden;
}

.featured-work__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s var(--ease);
}

.featured-work:hover .featured-work__media img { transform: scale(1.05); }

.featured-work__label { margin-bottom: 0.625rem; }
.featured-work__title { margin-bottom: 0.875rem; }
.featured-work__desc  { font-size: 0.9rem; color: var(--text-2); line-height: 1.7; margin-bottom: 1.5rem; }

/* ============================================================
   25. SKILLS
   ============================================================ */
.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.skill-chip {
  padding: 0.5rem 1.125rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.skill-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, var(--surface));
}

/* ============================================================
   26. BLOG
   ============================================================ */
.blog-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text-3);
  margin-bottom: 0.625rem;
}

.blog-meta__sep::before { content: '·'; margin-right: 1rem; }

.reading-bar {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  height: 2px;
  background: var(--accent);
  z-index: 101;
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

/* ============================================================
   27. RESOURCES — FLIP CARD
   ============================================================ */
.flip-card {
  perspective: 1000px;
  height: 200px;
}

.flip-card__inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s var(--ease);
}

.flip-card:hover .flip-card__inner { transform: rotateY(180deg); }

.flip-card__front,
.flip-card__back {
  position: absolute;
  inset: 0;
  border: 1px solid var(--border);
  border-radius: 1.125rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  backface-visibility: hidden;
  background: var(--surface);
}

.flip-card__front { justify-content: flex-end; }

.flip-card__back {
  transform: rotateY(180deg);
  background: var(--accent);
  color: #fff;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.875rem;
  border-color: var(--accent);
}

.flip-card__back p { font-size: 0.875rem; opacity: 0.8; }
.flip-card__back a { color: #fff; font-weight: 600; font-size: 0.875rem; }
.flip-card__icon { font-size: 2rem; margin-bottom: 0.25rem; }

/* ============================================================
   28. NOW PAGE
   ============================================================ */
.now-item {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  align-items: start;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.now-item:last-child { border-bottom: none; }

.now-item__icon {
  width: 2.25rem;
  height: 2.25rem;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.now-item__title { font-weight: 600; font-size: 0.9375rem; margin-bottom: 0.25rem; }
.now-item__desc  { font-size: 0.875rem; color: var(--text-2); line-height: 1.6; }

/* ============================================================
   29. BACK TO TOP
   ============================================================ */
.back-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3rem;
  height: 3rem;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.35s var(--ease-out);
  z-index: 50;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) 30%, transparent);
}

.back-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.back-top svg { width: 18px; height: 18px; }

/* ============================================================
   30. 404 PAGE
   ============================================================ */
.error-page {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--py) var(--px);
  padding-top: calc(var(--nav-h) + var(--py));
}

.error-page__num {
  font-size: clamp(7rem, 28vw, 20rem);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--border);
  animation: glitch 4s ease infinite;
  user-select: none;
}

/* ============================================================
   31. ANIMATIONS & KEYFRAMES
   ============================================================ */
@keyframes draw-path {
  to { stroke-dashoffset: 0; }
}

@keyframes fade-in {
  to { opacity: 1; }
}

@keyframes cursor-blink {
  50% { opacity: 0; }
}

@keyframes scroll-pulse {
  0%   { transform: scaleY(0); transform-origin: top; }
  49%  { transform: scaleY(1); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.45; transform: scale(0.8); }
}

@keyframes glitch {
  0%, 88%, 100% { text-shadow: none; }
  90% { text-shadow:  3px 0 var(--accent), -3px 0 var(--green); }
  92% { text-shadow: -3px 0 var(--accent),  3px 0 var(--green); }
  94% { text-shadow:  2px 0 var(--accent); }
}

@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* GSAP reveal targets */
[data-reveal] { opacity: 0; transform: translateY(28px); }
.split-line { overflow: hidden; }
.split-line > span { display: block; }

/* ============================================================
   32. RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .grid-3           { grid-template-columns: repeat(2, 1fr); }
  .grid-4           { grid-template-columns: repeat(2, 1fr); }
  .featured-work    { grid-template-columns: 1fr; }
  .footer__top      { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer__links    { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav__links    { display: none; }
  .nav__burger   { display: flex; }
  .grid-2        { grid-template-columns: 1fr; }
  .grid-3        { grid-template-columns: 1fr; }
  .hero__scroll-hint { display: none; }
  .newsletter-form   { flex-direction: column; }
  .footer__links     { grid-template-columns: repeat(2, 1fr); }
  .event-card        { grid-template-columns: 3rem 1fr; }
  .event-card .badge { display: none; }
  .stats-bar         { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  :root { --px: 1rem; }
  .footer__links { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* Touch devices — hide custom cursor */
@media (pointer: coarse) {
  body   { cursor: auto; }
  button { cursor: pointer; }
  a      { cursor: pointer; }
  .cursor { display: none; }
}

/* ============================================================
   33. UTILITY CLASSES
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.max-w-sm  { max-width: 480px; }
.max-w-md  { max-width: 640px; }
.max-w-lg  { max-width: 800px; }
.max-w-xl  { max-width: 960px; }

/* ============================================================
   34. LANGUAGE SWITCHER
   ============================================================ */
.lang-switcher { position: relative; }

.lang-btn {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  min-width: 2.25rem;
  font-family: var(--font-body);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.875rem;
  padding: 0.375rem;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 11rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.18s, transform 0.18s;
  z-index: 200;
}

.lang-dropdown.is-open {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  transition: background 0.15s, color 0.15s;
  text-align: left;
  width: 100%;
  cursor: pointer;
}

.lang-option:hover { background: var(--bg-alt); color: var(--text); }
.lang-option.is-active { background: var(--bg-alt); color: var(--text); font-weight: 600; }
.lang-flag { font-size: 1rem; line-height: 1; }