/* ==========================================================================
   YAZZ — PORTFOLIO STYLESHEET
   Obsidian Black + Electric Lime design system
   ========================================================================== */

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; touch-action: manipulation; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; touch-action: manipulation; }
ul, ol { list-style: none; }
input, textarea { font: inherit; }

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* color */
  --obsidian: #050507;
  --obsidian-deep: #030304;
  --surface: #0D0D10;
  --surface-elevated: #17171B;
  --lime: #D4FF00;
  --lime-soft: rgba(212, 255, 0, 0.12);
  --lime-glow: rgba(212, 255, 0, 0.28);
  --heading: #F5F5F7;
  --body: #8A8A93;
  --border: rgba(245, 245, 247, 0.08);
  --border-strong: rgba(245, 245, 247, 0.16);

  /* type — single font family throughout, weight/tracking create hierarchy */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 140px;

  /* misc */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --radius-full: 999px;
  --max-width: 1240px;
  --nav-height: 76px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

/* ---------- BASE ---------- */
html {
  background: var(--obsidian);
  color-scheme: dark;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
body {
  font-family: var(--font-display);
  background: var(--obsidian);
  color: var(--body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.006em;
  overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }

h1, h2, h3, h4 {
  color: var(--heading);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

section[id] { scroll-margin-top: var(--nav-height); }

::selection { background: var(--lime); color: var(--obsidian-deep); }

/* subtle grain across whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.4;
  background-image: radial-gradient(rgba(245,245,247,0.035) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* living ambient background — layered, procedural, whole-site */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.ambient-bg__mesh {
  position: absolute;
  inset: -10%;
  opacity: .85;
  background:
    radial-gradient(ellipse 45% 40% at 20% 22%, rgba(212,255,0,.22), transparent 62%),
    radial-gradient(ellipse 40% 45% at 82% 18%, rgba(212,255,0,.14), transparent 62%),
    radial-gradient(ellipse 50% 45% at 50% 88%, rgba(212,255,0,.18), transparent 62%);
  background-repeat: no-repeat;
  animation: meshShift 46s ease-in-out infinite alternate;
}
@keyframes meshShift {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(-3%,3%) scale(1.08); }
}
.ambient-bg__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(46px);
  background: radial-gradient(circle, var(--lime-glow) 0%, transparent 70%);
  will-change: transform;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}
.ambient-bg__blob--a { width: 46vw; height: 46vw; top: -12%; left: -12%; opacity: .55; animation-name: driftA; animation-duration: 26s; }
.ambient-bg__blob--b { width: 38vw; height: 38vw; bottom: -14%; right: -8%; opacity: .42; animation-name: driftB; animation-duration: 32s; }
.ambient-bg__blob--c { width: 32vw; height: 32vw; top: 38%; left: 56%; opacity: .34; animation-name: driftC; animation-duration: 22s; }
@keyframes driftA { from { transform: translate(0,0) scale(1); } to { transform: translate(6%,9%) scale(1.15); } }
@keyframes driftB { from { transform: translate(0,0) scale(1); } to { transform: translate(-7%,-8%) scale(1.1); } }
@keyframes driftC { from { transform: translate(0,0) scale(1); } to { transform: translate(-6%,7%) scale(.92); } }

.ambient-bg__particles {
  position: absolute;
  inset: -5%;
  opacity: .35;
  background-image:
    radial-gradient(1.5px 1.5px at 15% 20%, rgba(212,255,0,.5), transparent),
    radial-gradient(1.5px 1.5px at 75% 15%, rgba(245,245,247,.4), transparent),
    radial-gradient(1px 1px at 40% 65%, rgba(212,255,0,.4), transparent),
    radial-gradient(1.5px 1.5px at 85% 70%, rgba(245,245,247,.3), transparent),
    radial-gradient(1px 1px at 25% 85%, rgba(212,255,0,.35), transparent),
    radial-gradient(1.5px 1.5px at 60% 40%, rgba(245,245,247,.3), transparent);
  animation: particleDrift 60s linear infinite alternate;
}
@keyframes particleDrift { from { transform: translate(0,0); } to { transform: translate(-2%,-3%); } }

.ambient-bg__vignette {
  position: fixed;
  inset: 0;
  z-index: 2;
  background: radial-gradient(ellipse 85% 75% at 50% 42%, transparent 60%, rgba(2,2,3,.4) 100%);
}

@media (prefers-reduced-motion: reduce) {
  .ambient-bg__blob, .ambient-bg__mesh, .ambient-bg__particles { animation: none; }
}

/* keep real content above the fixed ambient layer */
main, .footer { position: relative; z-index: 1; }

/* ---------- ACCESSIBILITY ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--lime);
  color: var(--obsidian-deep);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 999;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: var(--space-4); }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- LAYOUT UTILITIES ---------- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
.container--narrow { max-width: 760px; }

.section { padding-block: var(--space-9); position: relative; content-visibility: auto; contain-intrinsic-size: 0 900px; }
.section--surface { background: rgba(13, 13, 16, 0.55); }

.section-head { max-width: 640px; margin-bottom: var(--space-7); }
.section-title {
  font-size: clamp(2rem, 1.55rem + 1.8vw, 3rem);
  margin-top: var(--space-4);
  letter-spacing: -0.025em;
}
.section-desc {
  margin-top: var(--space-4);
  font-size: clamp(1.0625rem, 1rem + .3vw, 1.1875rem);
  line-height: 1.7;
  max-width: 62ch;
  letter-spacing: 0.005em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lime);
  font-weight: 700;
}
.eyebrow--hero { font-size: 0.95rem; }
.eyebrow__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime-glow);
  flex-shrink: 0;
}
.eyebrow__num {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  color: var(--body);
  font-weight: 600;
}

/* ---------- REVEAL ON SCROLL (re-triggers every pass, varied entrances) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

.reveal--left { transform: translateX(-40px); }
.reveal--right { transform: translateX(40px); }
.reveal--scale { transform: scale(.92) translateY(16px); }
.reveal--pop { transform: scale(.82) rotate(-4deg); transition-duration: .55s; }
.reveal--clip {
  opacity: 1; transform: none;
  clip-path: inset(0 100% 0 0);
  transition: clip-path .85s cubic-bezier(.65,0,.35,1);
}
.reveal--clip.is-visible { clip-path: inset(0 0 0 0); }
@media (prefers-reduced-motion: reduce) {
  .reveal--clip { clip-path: inset(0 0 0 0); }
}
.reveal--blur { filter: blur(14px); transition-property: opacity, transform, filter; }
.reveal--blur.is-visible { filter: blur(0); }

/* character / word reveal — spans injected by JS, animated via stagger */
.split-char, .split-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(.55em);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
  transition-delay: var(--char-delay, 0ms);
}
.split-char.is-visible, .split-word.is-visible { opacity: 1; transform: translateY(0); }
.split-word { margin-right: .28em; }

@media (prefers-reduced-motion: reduce) {
  .reveal--blur { filter: none; }
  .split-char, .split-word { opacity: 1; transform: none; transition: none; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  min-height: 48px;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
  transform: translate(var(--mx, 0px), var(--my, 0px));
}
.btn--sm { padding: var(--space-3) var(--space-5); min-height: 44px; font-size: 0.88rem; }
.btn--primary { background: var(--lime); color: var(--obsidian-deep); }
.btn--primary:hover { transform: translate(var(--mx,0px), var(--my,0px)) translateY(-2px); box-shadow: 0 10px 30px var(--lime-glow); }
.btn--primary:active { transform: translate(var(--mx,0px), var(--my,0px)) scale(.96); }
.btn--outline { border: 1px solid var(--border-strong); color: var(--heading); }
.btn--outline:hover { border-color: var(--lime); color: var(--lime); transform: translate(var(--mx,0px), var(--my,0px)) translateY(-2px); }
.btn--outline:active { transform: translate(var(--mx,0px), var(--my,0px)) scale(.96); }
.btn--ghost { color: var(--heading); border: 1px solid transparent; }
.btn--ghost:hover { color: var(--lime); }
.btn--ghost:active { transform: translate(var(--mx,0px), var(--my,0px)) scale(.96); }
@media (prefers-reduced-motion: reduce) {
  .btn:hover, .btn:active { transform: none; }
}

/* ---------- PROGRESS BAR ---------- */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime-glow);
  z-index: 1000;
  transition: width .1s linear;
}

.section-dots {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 700;
  display: none;
  flex-direction: column;
  gap: 14px;
}
.section-dots a {
  width: 20px; height: 20px;
  display: flex; align-items: center; justify-content: center;
}
.section-dots a span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background .3s, transform .3s var(--ease), box-shadow .3s;
  display: block;
}
.section-dots a:hover span { background: var(--body); transform: scale(1.3); }
.section-dots a.is-active span {
  background: var(--lime);
  transform: scale(1.5);
  box-shadow: 0 0 10px var(--lime-glow);
}
@media (min-width: 1400px) {
  .section-dots { display: flex; }
}

/* ---------- NAV (liquid glass, condenses on scroll) ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-height);
}
.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  background: rgba(8, 8, 10, 0.48);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  transition: height .45s var(--ease), margin-top .45s var(--ease), background .45s var(--ease),
              border-color .45s var(--ease), border-radius .45s var(--ease),
              backdrop-filter .45s var(--ease), box-shadow .45s var(--ease);
}
.nav--scrolled .nav__inner {
  margin-top: 12px;
  height: calc(100% - 12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: rgba(10, 10, 13, 0.75);
  backdrop-filter: blur(32px) saturate(220%);
  -webkit-backdrop-filter: blur(32px) saturate(220%);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .38), inset 0 1px 0 rgba(255, 255, 255, .09);
}
.nav--scrolled .nav__logo-img { height: 24px; width: auto; }
.nav--scrolled .nav__links { font-size: 0.86rem; }
.nav__logo { display: flex; align-items: center; }
.nav__logo-img {
  height: 30px; width: auto;
  object-fit: contain;
  animation: logoEntrance 1.1s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes logoEntrance {
  0% { opacity: 0; transform: scale(.4) rotate(-25deg); }
  60% { opacity: 1; }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}
@media (prefers-reduced-motion: reduce) {
  .nav__logo-img { animation: none; }
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: 0.92rem;
  font-weight: 500;
}
.nav__links a { position: relative; color: var(--body); transition: color .2s; }
.nav__links a:hover { color: var(--heading); }
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: var(--lime);
  transition: width .25s var(--ease);
}
.nav__links a:hover::after { width: 100%; }
.nav__links a.is-active { color: var(--lime); }
.nav__links a.is-active::after { width: 100%; }

.nav__actions { display: flex; align-items: center; gap: var(--space-4); }

.lang-toggle {
  display: flex;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}
.lang-toggle__btn {
  padding: 9px 13px;
  min-height: 36px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--body);
  transition: background .2s, color .2s, transform .15s var(--ease);
}
.lang-toggle__btn:active { transform: scale(.92); }
.lang-toggle__btn.is-active { background: var(--lime); color: var(--obsidian-deep); }

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
}
.nav__toggle span {
  display: block;
  width: 20px; height: 1.5px;
  background: var(--heading);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
  margin-inline: auto;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.menu-scrim {
  position: fixed;
  inset: 0;
  z-index: 840;
  background: rgba(2, 2, 3, 0.42);
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s var(--ease), visibility .4s;
}
.menu-scrim.is-open { opacity: 1; visibility: visible; }

.menu-panel {
  position: fixed;
  top: calc(var(--nav-height) + 10px);
  right: var(--space-4);
  z-index: 850;
  width: min(272px, calc(100vw - 32px));
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: rgba(15, 15, 18, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 26px 60px rgba(0, 0, 0, .45), inset 0 1px 0 rgba(255, 255, 255, .1);
  backdrop-filter: blur(30px) saturate(190%);
  -webkit-backdrop-filter: blur(30px) saturate(190%);
  transform-origin: top right;
  transform: scale(.8) translateY(-10px);
  opacity: 0;
  visibility: hidden;
  transition: transform .5s cubic-bezier(.34, 1.56, .64, 1), opacity .3s var(--ease), visibility .5s;
  overflow: hidden;
}
.menu-panel::before {
  content: "";
  position: absolute; inset: 0;
  opacity: .5;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
}
.menu-panel.is-open { transform: scale(1) translateY(0); opacity: 1; visibility: visible; }

.menu-panel__links { display: flex; flex-direction: column; gap: 2px; position: relative; }
.menu-panel__links a {
  padding: 12px var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--heading);
  transition: background .2s, color .2s, padding-left .2s;
}
.menu-panel__links a:hover, .menu-panel__links a:active { background: var(--lime-soft); color: var(--lime); padding-left: calc(var(--space-4) + 4px); }
.menu-panel__cta { margin-top: var(--space-3); width: 100%; position: relative; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,3,4,.12) 0%, rgba(3,3,4,.05) 40%, rgba(3,3,4,.4) 100%);
  z-index: 0;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(245,245,247,0.08) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 30%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 30%, transparent 75%);
  z-index: 0;
}
.hero__cursor-glow {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  background: radial-gradient(560px circle at var(--mx, 50%) var(--my, 30%), var(--lime-soft), transparent 62%);
  transition: opacity .6s;
}
.hero__cursor-glow.is-active { opacity: 1; }
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: var(--space-8);
  padding-block: var(--space-8);
}
.hero__content { max-width: 620px; }
.hero__greeting {
  font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem);
  font-weight: 500;
  color: var(--heading);
  margin-bottom: var(--space-3);
}
.hero__title {
  font-size: clamp(2.75rem, 1.4rem + 6.5vw, 6rem);
  letter-spacing: -0.035em;
  margin-top: var(--space-4);
}
.hero__title-line { display: block; font-weight: 300; }
.hero__title-line--accent { font-weight: 800; color: var(--lime); }
.hero__subtitle {
  font-family: var(--font-display);
  color: var(--heading);
  font-size: clamp(0.95rem, 0.8rem + .5vw, 1.15rem);
  margin-top: var(--space-3);
  letter-spacing: 0.01em;
}
.hero__pitch {
  margin-top: var(--space-6);
  font-size: clamp(1.0625rem, 0.95rem + .4vw, 1.1875rem);
  line-height: 1.7;
  max-width: 48ch;
  color: var(--body);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-7);
}
.hero__actions.is-visible .btn { animation: ctaBounce .7s cubic-bezier(.34,1.56,.64,1); }
.hero__actions.is-visible .btn:nth-child(2) { animation-delay: .08s; }
@keyframes ctaBounce {
  0% { transform: scale(.7); opacity: 0; }
  60% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__actions.is-visible .btn { animation: none; }
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  transform: rotate(var(--tilt, 0deg)) translateY(var(--tilt-y, 0px));
  transition: transform .1s linear;
}
.hero__glow {
  position: absolute;
  width: 70%; aspect-ratio: 1;
  background: radial-gradient(circle, var(--lime-glow) 0%, transparent 70%);
  filter: blur(10px);
  z-index: 0;
  --mx: 0px; --my: 0px;
  transform: translate(var(--mx), var(--my)) scale(1);
  transition: transform .6s var(--ease);
  animation: pulse 6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: .6; transform: translate(var(--mx), var(--my)) scale(1); }
  50% { opacity: 1; transform: translate(var(--mx), var(--my)) scale(1.08); }
}
@media (prefers-reduced-motion: reduce) { .hero__glow { animation: none; } }
.hero__char {
  position: relative;
  z-index: 1;
  max-width: 380px;
  width: 80%;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,.6));
  animation: floatChar 7s ease-in-out infinite;
}
@keyframes floatChar {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(-1.2deg); }
}
@media (prefers-reduced-motion: reduce) {
  .hero__char { animation: none; }
}
.hero__tag {
  position: absolute;
  bottom: 6%;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(5,5,7,.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 0.72rem;
  color: var(--heading);
  white-space: nowrap;
  z-index: 2;
}
.hero__tag-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); }

.hero__scroll {
  position: relative;
  z-index: 1;
  margin: 0 auto var(--space-6);
  width: 26px; height: 42px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  display: flex;
  justify-content: center;
  padding-top: 8px;
}
.hero__scroll-line {
  width: 3px; height: 8px;
  border-radius: var(--radius-full);
  background: var(--lime);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(10px); }
}
@media (prefers-reduced-motion: reduce) { .hero__scroll-line { animation: none; } }

/* ---------- MARQUEE ---------- */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--obsidian-deep);
  overflow: hidden;
  padding-block: var(--space-4);
  position: relative;
  z-index: 1;
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: var(--space-6);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body);
  animation: marquee 32s linear infinite;
}
.marquee__sep { color: var(--lime); }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation-duration: 90s; }
}

/* ---------- ABOUT ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
  align-items: start;
}
.about__text p { margin-bottom: var(--space-5); font-size: clamp(1.0625rem, 1rem + .2vw, 1.1875rem); line-height: 1.75; max-width: 68ch; }
.about__text p:last-child { margin-bottom: 0; }

.principles { display: flex; flex-direction: column; gap: var(--space-4); }
.principles--grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
@media (max-width: 560px) {
  .principles--grid { grid-template-columns: 1fr; }
}
.principle-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  position: relative;
  transition: border-color .3s, transform .3s var(--ease);
}
.principle-card.is-visible:hover { border-color: var(--lime-soft); transform: perspective(900px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateX(4px); }
.principle-card__index {
  font-family: var(--font-display);
  color: var(--lime);
  font-size: 0.78rem;
  display: block;
  margin-bottom: var(--space-3);
}
.principle-card h3 { font-size: 1.375rem; margin-bottom: var(--space-2); }
.principle-card p { font-size: 0.92rem; }

/* ---------- SERVICES ---------- */
.services__list { border-top: 1px solid var(--border); }
.service-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-6);
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--border);
  transition: padding-left .3s var(--ease), background .3s var(--ease);
}
.service-item:hover {
  padding-left: var(--space-4);
  background: linear-gradient(90deg, var(--lime-soft), transparent);
}
.service-item__index {
  font-family: var(--font-display);
  color: var(--lime);
  font-size: 0.85rem;
  flex-shrink: 0;
  width: 32px;
}
.service-item__body h3 { font-size: clamp(1.1rem, 1rem + .6vw, 1.5rem); margin-bottom: var(--space-2); }
.service-item__body p { font-size: 0.95rem; max-width: 56ch; }

/* ---------- WORK ---------- */
.work__subhead {
  font-size: clamp(1.25rem, 1.1rem + .5vw, 1.5rem);
  color: var(--heading);
  margin-top: var(--space-8);
  margin-bottom: var(--space-5);
}
.section-head + .work__subhead { margin-top: 0; }

.work__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
.work-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  transition: transform .35s var(--ease), border-color .35s;
}
.work-card.is-visible:hover { transform: perspective(900px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateY(-6px); border-color: var(--border-strong); }
.work-card__media {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  background: linear-gradient(100deg, var(--obsidian-deep) 40%, var(--surface-elevated) 50%, var(--obsidian-deep) 60%);
  background-size: 200% 100%;
  animation: shimmer 2.2s ease-in-out infinite;
}
@keyframes shimmer { 0% { background-position: 140% 0; } 100% { background-position: -40% 0; } }
@media (prefers-reduced-motion: reduce) { .work-card__media { animation: none; } }
.work-card__media--video { animation: none; background: linear-gradient(150deg, var(--surface-elevated), var(--obsidian-deep)); }
.work-card__media.is-loaded { animation: none; }

/* ---------- POSTER / TIKTOK CAROUSEL (iOS-style center-snap) ---------- */
.poster-carousel { position: relative; margin-inline: calc(-1 * var(--space-5)); }
.poster-track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-block: var(--space-2);
  padding-inline: calc(50% - 125px);
  scroll-padding-inline: calc(50% - 125px);
  scrollbar-width: none;
}
.poster-track::-webkit-scrollbar { display: none; }
.poster-slide {
  flex: 0 0 auto;
  width: 250px;
  scroll-snap-align: center;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  transform: scale(.86);
  opacity: .48;
  filter: saturate(.65);
  transition: transform .45s var(--ease), opacity .45s var(--ease), filter .45s var(--ease);
}
.poster-slide.is-active { transform: scale(1); opacity: 1; filter: saturate(1); }
.poster-slide img {
  width: 100%; aspect-ratio: 4 / 5.3; object-fit: cover; display: block;
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1s cubic-bezier(.65,0,.35,1);
}
.poster-slide.is-active img { clip-path: inset(0 0 0% 0); }
.poster-slide__meta {
  position: absolute; inset-inline: 0; bottom: 0;
  padding: var(--space-4);
  background: linear-gradient(0deg, rgba(3,3,4,.88) 10%, transparent 100%);
}
.poster-slide__tag {
  font-size: 0.68rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--lime);
}
.poster-slide__meta h4 { color: var(--heading); font-size: 1.05rem; margin-top: var(--space-1); }

.carousel-dots { display: flex; justify-content: center; gap: 6px; margin-top: var(--space-5); }
.carousel-dots__dot {
  width: 6px; height: 6px; padding: 0; border: none; border-radius: var(--radius-full);
  background: var(--border-strong);
  transition: width .35s var(--ease), background .35s var(--ease);
}
.carousel-dots__dot.is-active { width: 22px; background: var(--lime); }

.tiktok-preview { margin-top: var(--space-9); }
.poster-carousel--wide .poster-slide { width: min(78vw, 300px); }
.poster-carousel--wide .poster-slide img { aspect-ratio: 3 / 4; }

.work-card__poster {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(circle at 30% 20%, var(--lime-soft), transparent 55%),
    linear-gradient(150deg, var(--surface-elevated), var(--obsidian-deep));
  clip-path: inset(0 0 100% 0);
  transition: opacity .3s, clip-path 1s cubic-bezier(.65,0,.35,1);
}
.work-card.is-visible .work-card__poster { clip-path: inset(0 0 0% 0); }
.work-card__poster-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 1rem + 2.6vw, 2.5rem);
  letter-spacing: 0.05em;
  color: var(--heading);
  opacity: .9;
  text-align: center;
  padding-inline: var(--space-5);
}
.work-card__video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
.work-card__media--video.is-active .work-card__poster { opacity: 0; pointer-events: none; }
.work-card__media--video.is-active .work-card__video { opacity: 1; pointer-events: auto; }
.work-card__media--video.is-active .work-card__play { opacity: 0; pointer-events: none; }

.work-card__play {
  position: absolute; inset: 0;
  margin: auto;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--lime);
  display: flex; align-items: center; justify-content: center;
  transition: transform .25s var(--ease), opacity .3s;
  z-index: 2;
}
.work-card__play:hover { transform: scale(1.08); }
.work-card__play-icon {
  width: 0; height: 0;
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  border-left: 15px solid var(--obsidian-deep);
  margin-left: 4px;
}
.work-card__meta { padding: var(--space-5); }
.work-card__tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--lime);
}
.work-card__title { font-size: 1.4rem; margin-block: var(--space-2); }
.work-card__meta p { font-size: 0.92rem; }
.work__footer { margin-top: var(--space-7); display: flex; justify-content: center; }

/* ---------- PROCESS ---------- */
.process__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-7) var(--space-6);
}
.process__step {
  position: relative;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-strong);
}
.process__ghost {
  position: absolute;
  top: -34px; left: -4px;
  font-family: var(--font-display);
  font-size: 4.2rem;
  font-weight: 800;
  -webkit-text-stroke: 1px var(--border-strong);
  color: transparent;
  line-height: 1;
  z-index: 0;
  user-select: none;
}
.process__index {
  display: inline-block;
  font-family: var(--font-display);
  color: var(--lime);
  font-size: 0.85rem;
  margin-bottom: var(--space-3);
  position: relative;
}
.process__step h3 { font-size: 1.4rem; margin-bottom: var(--space-2); position: relative; }
.process__step p { font-size: 0.92rem; position: relative; }

/* ---------- TOOLS ---------- */
.tools__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}
.tool-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  transition: border-color .3s, transform .3s var(--ease);
}
.tool-card.is-visible:hover { border-color: var(--lime-soft); transform: perspective(900px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateY(-4px); }
.tool-card__logo {
  width: 44px; height: 44px;
  object-fit: contain;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  border-radius: var(--radius-sm);
}
.tool-card__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--lime);
  font-size: 0.85rem;
}
.tool-card h3 { font-size: 0.95rem; margin-bottom: var(--space-1); }
.tool-card p { font-size: 0.8rem; }

/* ---------- JOURNEY + STATS ---------- */
.journey__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-9);
}
.journey__timeline { position: relative; padding-left: var(--space-6); border-left: 1px solid var(--border-strong); }
.journey__timeline li { position: relative; padding-bottom: var(--space-7); }
.journey__timeline li:last-child { padding-bottom: 0; }
.journey__dot {
  position: absolute;
  left: calc(-1 * var(--space-6) - 4px);
  top: 4px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--obsidian), 0 0 12px var(--lime-glow);
}
.journey__timeline h3 { font-size: 1.375rem; margin-bottom: var(--space-2); }
.journey__timeline p { font-size: 0.92rem; }

.stats { display: grid; grid-template-columns: 1fr; gap: var(--space-5); align-content: center; }
.stat {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: border-color .3s, transform .3s var(--ease);
}
.stat__top {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.stat__value {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 2.75rem;
  font-weight: 800;
  color: var(--lime);
  line-height: 1;
  display: inline-block;
  transition: transform .3s var(--ease), text-shadow .3s var(--ease);
}
.stat.is-counting .stat__value {
  transform: scale(1.14);
  text-shadow: 0 0 26px var(--lime-glow);
}
.stat__label { font-size: 0.95rem; color: var(--heading); }
.stat__bar { display: block; height: 3px; border-radius: var(--radius-full); background: var(--border-strong); overflow: hidden; }
.stat__bar-fill {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--lime), #eaff66);
  box-shadow: 0 0 12px var(--lime-glow);
  transition: width 1.3s var(--ease);
}
.stat.is-counting .stat__bar-fill { width: var(--fill, 100%); }
@media (prefers-reduced-motion: reduce) {
  .stat.is-counting .stat__value { transform: none; text-shadow: none; }
  .stat__bar-fill { transition: none; }
}

/* ---------- TESTIMONIALS / COMMENT WALL ---------- */
.comment-wall {
  position: relative;
  margin-inline: calc(-1 * var(--space-5));
  -webkit-mask-image: linear-gradient(90deg, transparent 0, black var(--space-5), black calc(100% - var(--space-5)), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, black var(--space-5), black calc(100% - var(--space-5)), transparent 100%);
}
.comment-track {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--space-5);
  padding-inline: var(--space-5);
  padding-block: var(--space-2);
  scrollbar-width: none;
}
.comment-track::-webkit-scrollbar { display: none; }
.comment-card {
  flex: 0 0 auto;
  width: min(78vw, 320px);
  scroll-snap-align: start;
  display: flex;
  gap: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: var(--surface);
  transition: border-color .3s, transform .3s var(--ease);
}
.comment-card:hover { border-color: var(--lime-soft); transform: translateY(-3px); }
.comment-card__avatar {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--obsidian-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
}
.comment-card__body { flex: 1; min-width: 0; }
.comment-card__handle {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--heading);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.comment-card__platform {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--lime);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  padding: 2px 8px;
}
.comment-card__text { font-size: 0.92rem; line-height: 1.55; }

.comment-wall__note {
  margin-top: var(--space-8);
  max-width: 520px;
  margin-inline: auto;
  text-align: center;
  border-top: 1px solid var(--border);
  padding-top: var(--space-7);
}
.comment-wall__note-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  opacity: .8;
}
.comment-wall__note p { font-size: 0.9rem; margin-bottom: var(--space-5); }

/* ---------- FAQ ---------- */
.faq__list { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5) var(--space-6);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  font-weight: 600;
  color: var(--heading);
  list-style: none;
  font-size: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item__icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.faq-item__icon::before, .faq-item__icon::after {
  content: "";
  position: absolute;
  background: var(--lime);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}
.faq-item__icon::before { width: 12px; height: 1.5px; }
.faq-item__icon::after { width: 1.5px; height: 12px; transition: transform .25s var(--ease); }
.faq-item[open] .faq-item__icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-item p { margin-top: var(--space-4); font-size: 0.95rem; padding-right: var(--space-6); }

/* ---------- CONTACT ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.contact-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7);
  background: var(--surface);
  transition: border-color .3s, transform .3s var(--ease);
}
.contact-card.is-visible:hover { border-color: var(--lime-soft); transform: perspective(900px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) translateY(-4px); }
.contact-card h3 { font-size: 1.5rem; margin-bottom: var(--space-3); }
.contact-card p { font-size: 0.95rem; margin-bottom: var(--space-6); }
.contact-card__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.contact-card__alt {
  display: inline-block;
  margin-top: var(--space-5);
  font-size: 0.85rem;
  color: var(--body);
  border-bottom: 1px solid var(--border-strong);
  transition: color .2s, border-color .2s;
}
.contact-card__alt:hover { color: var(--lime); border-color: var(--lime); }

.social-row {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}
.social-row__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: var(--space-3) var(--space-5);
  font-size: 0.85rem;
  color: var(--heading);
  transition: border-color .2s, color .2s;
}
.social-row__link span { color: var(--body); font-family: var(--font-display); font-size: 0.78rem; }
.social-row__link:hover { border-color: var(--lime); color: var(--lime); }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--obsidian-deep);
  border-top: 1px solid var(--border);
  padding-block: var(--space-8) var(--space-6);
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-7);
  align-items: start;
}
.footer__top { display: flex; flex-direction: column; align-items: flex-start; }
.footer__logo img { height: 26px; width: auto; object-fit: contain; margin-bottom: var(--space-3); }
.footer__tagline { font-family: var(--font-display); font-size: 0.8rem; color: var(--body); }
.footer__links, .footer__socials { display: flex; flex-direction: column; gap: var(--space-3); font-size: 0.9rem; }
.footer__links a, .footer__socials a { color: var(--body); transition: color .2s; }
.footer__links a:hover, .footer__socials a:hover { color: var(--lime); }
.footer__bottom {
  grid-column: 1 / -1;
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--body);
}
.back-to-top {
  width: 44px; height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--heading);
  transition: border-color .2s, color .2s, transform .3s var(--ease);
}
.back-to-top:hover { border-color: var(--lime); color: var(--lime); transform: translateY(-3px); }
.back-to-top:active { transform: scale(.92); }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-7); text-align: left; }
  .hero__visual { order: -1; max-width: 320px; margin-inline: auto; }
  .hero__char { max-width: 260px; }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .work__grid { grid-template-columns: 1fr; }
  .work-card--featured { grid-row: auto; }
  .process__list { grid-template-columns: repeat(2, 1fr); }
  .tools__grid { grid-template-columns: repeat(3, 1fr); }
  .journey__grid { grid-template-columns: 1fr; gap: var(--space-7); }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-height: 64px; }
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__toggle { display: flex; }

  .section { padding-block: var(--space-8); }
  .section-title { font-size: clamp(1.6rem, 1.3rem + 3vw, 2.2rem); }

  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .hero__tag { font-size: 0.65rem; bottom: 2%; }

  .process__list { grid-template-columns: 1fr; }
  .tools__grid { grid-template-columns: repeat(2, 1fr); }
  .comment-wall { margin-inline: calc(-1 * var(--space-4)); }
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-6); }
  .footer__bottom { flex-direction: column; gap: var(--space-4); align-items: flex-start; }
}

@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .hero__title { font-size: clamp(2.4rem, 1.6rem + 7vw, 3.2rem); }
  .service-item { flex-direction: column; gap: var(--space-3); }
  .contact-card { padding: var(--space-6); }
  .work-card__poster-label { font-size: 1.6rem; }
}