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

:root {
  color-scheme: light;
  --cyan: #00d4ff;
  --cyan-dim: #0099cc;
  --cyan-subtle: rgba(0, 212, 255, 0.06);
  --white: #111111;
  --off-white: #333333;
  --muted: #777777;
  --bg: #f5f5f5;
  --bg-2: #e8e8e8;
  --bg-3: #dcdcdc;
  --border: rgba(0, 212, 255, 0.15);
  --border-white: rgba(0, 0, 0, 0.06);
  --nav-bg: rgba(255, 255, 255, 0.85);
  --footer-bg: #000;
  --footer-text: #ccc;
  --footer-muted: #888;
  --button-text: #001018;
  --font: 'Satoshi', sans-serif;
}

html.theme-dark {
  color-scheme: dark;
  --white: #f7fbff;
  --off-white: #d5e0e8;
  --muted: #8fa2af;
  --bg: #05080d;
  --bg-2: #0b1118;
  --bg-3: #101925;
  --border: rgba(0, 212, 255, 0.24);
  --border-white: rgba(255, 255, 255, 0.09);
  --nav-bg: rgba(5, 8, 13, 0.82);
  --footer-bg: #020406;
  --footer-text: #d5e0e8;
  --footer-muted: #8fa2af;
  --button-text: #001018;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font);
  overflow-x: hidden;
  transition: background .35s, color .35s;
}

img, video, svg {
  max-width: 100%;
}

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 5vw;
  height: 72px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid transparent;
  transition: border-color .4s, background .4s;
}
nav.scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  border-color: var(--border);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
  min-width: 0;
}
.nav-logo img { height: 36px; width: auto; }
.nav-logo span {
  font-size: 15px; font-weight: 700; letter-spacing: .08em;
  color: var(--white); text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.nav-links {
  display: flex; align-items: center; gap: 36px;
  list-style: none;
}
.mobile-project-link,
.mobile-theme-link { display: none; }
.nav-links a {
  font-size: 13px; font-weight: 500; letter-spacing: .06em;
  color: var(--off-white); text-decoration: none; text-transform: uppercase;
  transition: color .2s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-actions {
  display: flex; align-items: center; gap: 12px;
}
.menu-toggle {
  width: 42px; height: 42px;
  border: 1px solid var(--border-white);
  border-radius: 50%;
  background: var(--bg-2);
  color: var(--off-white);
  display: none; align-items: center; justify-content: center;
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s, transform .2s;
}
.menu-toggle:hover,
.menu-toggle[aria-expanded="true"] {
  color: var(--cyan);
  border-color: var(--cyan);
}
.menu-toggle:hover { transform: translateY(-1px); }
.menu-toggle svg {
  width: 19px; height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}
.theme-toggle {
  width: 42px; height: 42px;
  border: 1px solid var(--border-white);
  border-radius: 50%;
  background: var(--bg-2);
  color: var(--off-white);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  position: relative; overflow: hidden;
  transition: color .2s, border-color .2s, background .2s, transform .2s;
}
.theme-toggle:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-1px);
}
.theme-icon {
  width: 18px; height: 18px;
  position: absolute;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: opacity .25s, transform .25s;
}
.theme-icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }
.theme-icon-sun { opacity: 0; transform: rotate(-45deg) scale(.75); }
.theme-dark .theme-icon-moon { opacity: 0; transform: rotate(45deg) scale(.75); }
.theme-dark .theme-icon-sun { opacity: 1; transform: rotate(0deg) scale(1); }
.nav-cta {
  font-size: 13px; font-weight: 600; letter-spacing: .08em;
  padding: 10px 24px; border: 1px solid var(--cyan);
  color: var(--cyan); text-decoration: none; text-transform: uppercase;
  transition: background .2s, color .2s;
}
.nav-cta:hover { background: var(--cyan); color: var(--button-text); }

.nav-cta-hover { position: relative; overflow: hidden; }
.nav-cta-hover .nav-cta-text { transition: transform .3s, opacity .3s; display: inline-block; }
.nav-cta-hover .nav-cta-icon { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) translateX(20px); opacity: 0; width: 20px; height: 20px; transition: transform .3s, opacity .3s; }
.nav-cta-hover:hover .nav-cta-text { transform: translateX(-20px); opacity: 0; }
.nav-cta-hover:hover .nav-cta-icon { transform: translate(-50%, -50%) translateX(0); opacity: 1; }

/* ── HERO ── */
#hero {
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 120px 5vw 80px;
  text-align: center;
}
.hero-grid-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
}
.hero-eyebrow {
  position: relative; z-index: 1;
  font-size: 12px; font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--cyan);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 28px;
  opacity: 0;
}

.hero-title {
  position: relative; z-index: 1;
  font-size: clamp(52px, 8vw, 110px);
  font-weight: 900; line-height: .95;
  letter-spacing: -.02em;
  color: var(--white);
  margin-bottom: 28px;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span { display: block; transform: translateY(110%); }
.hero-title .cyan { color: var(--cyan); }
.hero-sub {
  position: relative; z-index: 1;
  font-size: clamp(16px, 1.8vw, 20px); font-weight: 400;
  color: var(--off-white); max-width: 560px; line-height: 1.6;
  margin-bottom: 52px; opacity: 0;
}
.hero-actions {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 20px;
  flex-wrap: wrap; justify-content: center;
  opacity: 0;
}
.btn-primary {
  font-family: var(--font); font-size: 14px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 16px 40px; background: var(--cyan); color: var(--button-text);
  border: none; text-decoration: none; display: inline-block;
  transition: background .2s, transform .2s;
}
.btn-primary:hover { background: #33ddff; transform: translateY(-2px); }
.btn-ghost {
  font-family: var(--font); font-size: 14px; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 15px 40px; border: 1px solid var(--border-white);
  color: var(--off-white); text-decoration: none; display: inline-block;
  transition: border-color .2s, color .2s;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn-whatsapp { position: relative; overflow: hidden; }
.btn-whatsapp .btn-text { transition: transform .3s, opacity .3s; display: inline-block; }
.btn-whatsapp .btn-arrow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) translateX(20px); opacity: 0; transition: transform .3s, opacity .3s; }
.btn-whatsapp:hover .btn-text { transform: translateX(-20px); opacity: 0; }
.btn-whatsapp:hover .btn-arrow { transform: translate(-50%, -50%) translateX(0); opacity: 1; }

/* marquee */
.marquee-wrap {
  overflow: hidden; border-top: 1px solid var(--border-white);
  border-bottom: 1px solid var(--border-white);
  padding: 18px 0; margin-bottom: 0;
  background: var(--bg-2);
}
.marquee-track {
  display: flex; gap: 80px; animation: marqueeRun 24s linear infinite;
  white-space: nowrap; width: max-content;
}
.marquee-item {
  font-size: 13px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 16px;
}
.marquee-item::after { content: '✦'; color: var(--cyan); font-size: 8px; }
@keyframes marqueeRun { to { transform: translateX(-50%); } }

/* ── SECTION BASE ── */
section { position: relative; }

.section-label {
  font-size: 11px; font-weight: 600; letter-spacing: .22em;
  text-transform: uppercase; color: var(--cyan);
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
}
.section-label::before {
  content: ''; width: 24px; height: 1px; background: var(--cyan);
}
.section-heading {
  font-size: clamp(36px, 4.5vw, 62px); font-weight: 800;
  line-height: 1.05; letter-spacing: -.02em; color: var(--white);
}
.section-sub {
  font-size: 17px; font-weight: 400; color: var(--off-white);
  line-height: 1.65; max-width: 520px;
}

/* ── ABOUT ── */
#about {
  padding: 100px 5vw;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  border-top: 1px solid var(--border-white);
}
.about-left .section-heading { margin-bottom: 24px; }
.about-left .section-sub { margin-bottom: 40px; }
.about-stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.stat-card {
  padding: 24px; border: 1px solid var(--border);
  background: var(--bg-2); position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 40px; height: 2px; background: var(--cyan);
}
.stat-num {
  font-size: 44px; font-weight: 900; color: var(--cyan);
  letter-spacing: -.03em; line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px; font-weight: 500; color: var(--muted);
  letter-spacing: .04em;
}
.about-right {
  position: relative;
}
.about-visual {
  aspect-ratio: 16/9;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.about-video {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ── SERVICES ── */
#services {
  padding: 140px 5vw;
  border-top: 1px solid var(--border-white);
}
.services-header {
  display: block;
  margin-bottom: 80px;
}
.services-header .section-sub {
  max-width: 760px;
  margin-top: 28px;
}
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--border-white);
  border: 1px solid var(--border-white);
}
.service-card {
  padding: 48px 36px;
  background: var(--bg);
  position: relative; overflow: hidden;
  transition: background .3s;
}
.service-card:hover { background: var(--bg-2); }
.service-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 2px; background: var(--cyan);
  transform: scaleX(0); transform-origin: left;
  transition: transform .4s ease;
}
.service-card:hover::after { transform: scaleX(1); }
.service-num {
  font-size: 11px; font-weight: 600; letter-spacing: .2em;
  color: var(--cyan); margin-bottom: 32px;
}
.service-icon {
  width: 48px; height: 48px; margin-bottom: 24px;
  color: var(--cyan);
}
.service-name {
  font-size: 22px; font-weight: 700; color: var(--white);
  margin-bottom: 14px; line-height: 1.2;
}
.service-desc {
  font-size: 14px; font-weight: 400; color: var(--muted);
  line-height: 1.7;
}

/* ── PROCESS ── */
#process {
  padding: 140px 5vw;
  border-top: 1px solid var(--border-white);
  background: var(--bg);
}
.process-header { text-align: center; margin-bottom: 100px; }
.process-header .section-label { justify-content: center; }
.process-header .section-label::before { display: none; }
.process-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  position: relative;
}
.process-grid::before {
  content: ''; position: absolute;
  top: 32px; left: calc(12.5% + 32px); right: calc(12.5% + 32px);
  height: 1px; background: var(--border);
}
.process-step {
  text-align: center; padding: 0 24px;
}
.step-num {
  width: 64px; height: 64px; border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg); color: var(--cyan);
  font-size: 20px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px; position: relative; z-index: 1;
  transition: background .3s, border-color .3s;
}
.process-step:hover .step-num {
  background: var(--cyan); color: var(--button-text);
  border-color: var(--cyan);
}
.step-title { font-size: 18px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.step-desc { font-size: 14px; font-weight: 400; color: var(--muted); line-height: 1.65; }

/* ── WORK / SHOWCASE ── */
#work {
  padding: 140px 5vw;
  border-top: 1px solid var(--border-white);
}
.work-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 60px;
}
.work-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.work-card {
  position: relative; overflow: hidden;
  background: var(--bg-3);
  aspect-ratio: 16/10;
  cursor: pointer;
}
.work-card-inner {
  position: absolute; inset: 0; z-index: 2;
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  padding: 32px;
  text-align: center;
  opacity: 0;
  transition: opacity .3s;
}
.work-card:hover .work-card-inner { opacity: 1; }
.work-card::after {
  content: '';
  position: absolute; inset: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0);
  transition: background .3s;
  pointer-events: none;
}
.work-card:hover::after { background: rgba(0, 0, 0, .5); }
.work-bg {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: filter .3s;
}
.work-card:hover .work-bg { filter: blur(4px); }
.work-tag {
  font-size: 11px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 8px;
}
.work-name { font-size: 24px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.work-sub { font-size: 13px; font-weight: 400; color: #ccc; margin-bottom: 24px; }
.work-btn {
  font-family: var(--font); font-size: 12px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 12px 28px; border: 1px solid var(--cyan);
  border-radius: 999px;
  color: var(--cyan); text-decoration: none; display: inline-block;
  transition: background .2s, color .2s;
}
.work-btn:hover { background: var(--cyan); color: #000; }

/* MODELS */
#models {
  padding: 140px 5vw;
  border-top: 1px solid var(--border-white);
  background:
    radial-gradient(circle at 86% 16%, var(--cyan-subtle), transparent 34%),
    var(--bg-2);
}
.models-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
  gap: 48px;
  align-items: end;
  margin-bottom: 60px;
}
.models-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.model-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  border: 1px solid var(--border-white);
  background: var(--bg);
  color: var(--white);
  text-decoration: none;
  overflow: hidden;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.model-card:hover {
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .08);
}
.model-media {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-3);
}
.model-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s;
}
.model-card:hover .model-media img {
  transform: scale(1.04);
}
.model-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px;
}
.model-content h3 {
  font-size: clamp(32px, 3.2vw, 46px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--white);
  margin-bottom: 18px;
}
.model-content p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 28px;
}
.model-content .work-btn {
  align-self: flex-start;
}

/* ── WHY US ── */
#why {
  padding: 140px 5vw;
  border-top: 1px solid var(--border-white);
  background: var(--bg);
}
.why-grid {
  max-width: 800px;
  margin: 0 auto;
}
.why-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 60px;
}
.why-item {
  padding: 28px;
  border: 1px solid var(--border-white);
  display: flex; flex-direction: column; gap: 14px;
  cursor: default;
  transition: border-color .3s, transform .3s;
}
.why-item:hover { border-color: var(--cyan); transform: translateY(-4px); }
.why-icon {
  width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); color: var(--cyan); font-size: 18px;
  flex-shrink: 0;
}
.why-item-title { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.why-item-desc { font-size: 14px; font-weight: 400; color: var(--muted); line-height: 1.65; }


/* ── CTA ── */
#cta {
  padding: 160px 5vw;
  text-align: center; border-top: 1px solid var(--border-white);
  position: relative; overflow: hidden;
}
.cta-heading {
  font-size: clamp(44px, 6vw, 88px); font-weight: 900;
  line-height: 1; letter-spacing: -.03em; color: var(--white);
  margin-bottom: 24px; position: relative; z-index: 1;
}
.cta-sub {
  font-size: 18px; color: var(--off-white); margin-bottom: 52px;
  position: relative; z-index: 1;
}
.cta-actions { position: relative; z-index: 1; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ── */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  border-top: 1px solid var(--border-white);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 64px 5vw 48px;
  max-width: 1280px;
  margin: 0 auto;
}
.footer-brand img { width: auto; height: 100px; margin-bottom: 16px; }
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--footer-muted);
  max-width: 340px;
  margin-bottom: 20px;
}
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-white);
  color: var(--footer-muted);
  transition: all .25s;
}
.footer-social a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-subtle);
}
.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--footer-text);
  margin-bottom: 16px;
}
.footer-col a,
.footer-col span {
  display: block;
  font-size: 14px;
  color: var(--footer-muted);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color .2s;
}
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 5vw;
  border-top: 1px solid var(--border-white);
  max-width: 1280px;
  margin: 0 auto;
}
.footer-bottom span {
  font-size: 12px;
  color: var(--footer-muted);
}
.footer-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--cyan);
  color: #000;
  opacity: 0; visibility: hidden;
  transition: opacity .3s, visibility .3s, background .25s;
  pointer-events: none;
  text-decoration: none;
}
.footer-top.visible {
  opacity: 1; visibility: visible;
  pointer-events: auto;
}
.footer-top:hover {
  background: var(--cyan-dim);
  color: #000;
}

/* ── REVEAL ── */
.reveal { opacity: 0; transform: translateY(40px); }
.reveal-left { opacity: 0; transform: translateX(-40px); }
.reveal-right { opacity: 0; transform: translateX(40px); }

@media (max-width: 1100px) {
  .nav-links { gap: 22px; }
  #about,
  .services-header {
    grid-template-columns: 1fr;
  }
  #about { gap: 44px; }
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 48px 0;
  }
  .process-grid::before { display: none; }
}

@media (max-width: 840px) {
  nav {
    gap: 12px;
  }
  .nav-links {
    gap: 16px;
  }
  .nav-actions { margin-left: auto; }
  .theme-toggle { width: 40px; height: 40px; }
  .nav-cta { padding: 10px 16px; }
  #hero {
    padding-top: 132px;
    padding-bottom: 72px;
  }
  #about,
  #services,
  #process,
  #work,
  #models,
  #why {
    padding: 96px 6vw;
  }
  #cta { padding: 112px 6vw; }
  .hero-title {
    font-size: clamp(46px, 14vw, 82px);
    letter-spacing: 0;
  }
  .hero-sub {
    max-width: 620px;
    margin-bottom: 36px;
  }
  .section-heading {
    font-size: clamp(32px, 9vw, 48px);
    letter-spacing: 0;
  }
  .section-sub { max-width: none; }
  .services-header { margin-bottom: 44px; }
  .services-grid,
  .work-grid,
  .models-header,
  .why-list {
    grid-template-columns: 1fr;
  }
  .service-card { padding: 34px 28px; }
  .process-header { margin-bottom: 56px; }
  .work-header { margin-bottom: 36px; }
  .models-header {
    align-items: start;
    margin-bottom: 36px;
  }
  .model-card {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .model-media {
    aspect-ratio: 16/10;
  }
  .model-content {
    padding: 36px;
  }
  .work-card {
    aspect-ratio: 4/3;
    min-height: 260px;
  }
  .work-card-inner {
    opacity: 1;
    justify-content: flex-end;
    align-items: flex-start;
    text-align: left;
  }
  .work-card::after { background: linear-gradient(180deg, rgba(0,0,0,0) 20%, rgba(0,0,0,.72) 100%); }
  .work-card:hover .work-bg { filter: none; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 48px 5vw 40px;
  }
  .footer-brand { grid-column: 1 / -1; text-align: center; }
  .footer-brand p { margin: 0 auto 20px; }
  .footer-social { justify-content: center; }
  .footer-col { text-align: center; }
}

@media (max-width: 760px) {
  nav {
    height: 72px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
  }
  .nav-actions {
    position: absolute;
    top: 50%;
    right: 16px;
    transform: translateY(-50%);
    justify-self: end;
    margin-left: 0;
  }
  .menu-toggle {
    display: inline-flex !important;
  }
  .nav-logo { max-width: calc(100% - 64px); }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: auto;
    right: 16px;
    width: min(280px, calc(100vw - 32px));
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    padding: 10px;
    background: var(--nav-bg);
    border: 1px solid var(--border-white);
    backdrop-filter: blur(16px);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .24s, transform .24s;
  }
  nav.menu-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }
  .nav-links a {
    display: block;
    padding: 14px 12px;
    text-align: left;
  }
  .mobile-project-link { display: block; }
  .mobile-project-link a {
    color: var(--cyan);
    border-top: 1px solid var(--border-white);
    margin-top: 4px;
  }
  .mobile-theme-link { display: block; }
  .theme-menu-toggle {
    width: 100%;
    padding: 14px 12px;
    border: 0;
    border-top: 1px solid var(--border-white);
    background: transparent;
    color: var(--off-white);
    font: inherit;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .06em;
    text-align: left;
    text-transform: uppercase;
    cursor: pointer;
  }
  .theme-menu-toggle:hover { color: var(--cyan); }
  .nav-actions > .theme-toggle { display: none; }
  .nav-actions > .nav-cta { display: none; }
  #hero {
    padding-top: 124px;
  }
}

@media (max-width: 520px) {
  nav {
    padding-left: 16px;
    padding-right: 16px;
    gap: 12px;
  }
  .nav-logo span { font-size: 12px; }
  .nav-logo img { height: 32px; }
  .nav-links {
    right: 16px;
  }
  .nav-links a, .nav-cta { font-size: 11px; }
  .nav-actions { gap: 8px; }
  .nav-cta {
    width: 40px; height: 38px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .nav-cta .nav-cta-text { display: none; }
  .nav-cta .nav-cta-icon {
    position: static;
    opacity: 1;
    transform: none;
  }
  .theme-toggle { width: 38px; height: 38px; }
  #hero {
    padding: 156px 20px 64px;
  }
  .hero-eyebrow {
    font-size: 10px;
    letter-spacing: .16em;
    margin-bottom: 22px;
  }
  .hero-title {
    font-size: clamp(34px, 11vw, 44px);
    line-height: 1;
  }
  .hero-sub {
    font-size: 15px;
    line-height: 1.55;
  }
  .hero-actions,
  .cta-actions {
    align-items: stretch;
    width: 100%;
    gap: 12px;
  }
  .btn-primary,
  .btn-ghost {
    width: 100%;
    text-align: center;
    padding: 15px 18px;
    font-size: 12px;
    letter-spacing: .06em;
  }
  .marquee-track { gap: 48px; }
  .marquee-item { font-size: 11px; }
  #about,
  #services,
  #process,
  #work,
  #models,
  #why {
    padding: 76px 20px;
  }
  .models-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  #cta { padding: 92px 20px; }
  .section-label {
    font-size: 10px;
    letter-spacing: .18em;
  }
  .section-heading {
    font-size: clamp(30px, 11vw, 42px);
  }
  .section-sub,
  .cta-sub {
    font-size: 15px;
  }
  .about-visual { border-radius: 8px; }
  .service-card,
  .why-item {
    padding: 26px 22px;
  }
  .service-name { font-size: 20px; }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }
  .process-step {
    display: grid;
    grid-template-columns: 54px 1fr;
    column-gap: 18px;
    text-align: left;
    padding: 0;
  }
  .step-num {
    width: 54px; height: 54px;
    font-size: 17px;
    margin: 0;
    grid-row: 1 / 3;
  }
  .step-title { margin-top: 2px; }
  .work-card {
    min-height: 238px;
  }
  .model-content {
    padding: 28px 24px;
  }
  .model-content h3 {
    font-size: clamp(30px, 10vw, 42px);
  }
  .work-card-inner { padding: 24px; }
  .work-name { font-size: 22px; }
  .cta-heading {
    font-size: clamp(40px, 13vw, 56px);
    letter-spacing: 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 20px 32px;
  }
  .footer-brand img { height: 80px; }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    padding: 16px 20px;
  }
}
@media (max-width: 380px) {
  .nav-logo span { display: none; }
  .nav-links a {
    font-size: 10px;
    letter-spacing: .04em;
  }
  #hero { padding-top: 148px; }
  .hero-title { font-size: clamp(32px, 11vw, 38px); }
  .hero-sub { font-size: 14px; }
  .service-card,
  .why-item,
  .work-card-inner {
    padding: 22px 18px;
  }
  .process-step {
    grid-template-columns: 48px 1fr;
    column-gap: 14px;
  }
  .step-num {
    width: 48px; height: 48px;
    font-size: 15px;
  }
  .cta-heading { font-size: clamp(36px, 13vw, 46px); }
}