/* ============================================================
   AlphiTech — Apple-style dark scrolltelling site
   ============================================================ */

:root {
  --bg: #050507;
  --bg-2: #0a0a0f;
  --bg-3: #101018;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f5f5f7;
  --text-2: #a1a1aa;
  --text-3: #6b6b76;
  --blue: #2bb5a0;
  --violet: #1687b8;
  --cyan: #3ee6c4;
  --pink: #8cc63f;
  --grad: linear-gradient(100deg, #8cc63f 0%, #2bb5a0 50%, #1687b8 100%);
  --grad-ai: linear-gradient(100deg, #b5e048 0%, #2bb5a0 50%, #1687b8 100%);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-d: 'Space Grotesk', var(--font);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 64px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(43,181,160, 0.35); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #26262e; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #35353f; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ Loader ============ */
.loader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 28px;
  transition: opacity 0.7s var(--ease), visibility 0.7s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-logo {
  font-family: var(--font-d); font-size: 34px; font-weight: 700; letter-spacing: -0.02em;
  animation: loaderPulse 1.6s ease-in-out infinite;
}
.loader-logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.loader-bar { width: 180px; height: 2px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; }
.loader-bar span { display: block; height: 100%; width: 40%; background: var(--grad); border-radius: 2px; animation: loaderSlide 1.1s var(--ease) infinite; }
@keyframes loaderSlide { 0% { transform: translateX(-100%); } 100% { transform: translateX(450%); } }
@keyframes loaderPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }

/* ============ Cursor glow ============ */
.cursor-glow {
  position: fixed; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,181,160,0.07) 0%, transparent 65%);
  pointer-events: none; z-index: 1;
  transform: translate(-50%, -50%);
  transition: opacity 0.4s;
}
@media (hover: none) { .cursor-glow { display: none; } }

/* ============ Scroll progress ============ */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--grad); z-index: 200;
}

/* ============ Nav ============ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  transition: background 0.4s, backdrop-filter 0.4s, border-color 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(5, 5, 7, 0.7);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  border-bottom-color: var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-d); font-size: 22px; font-weight: 700; letter-spacing: -0.02em;
  color: var(--text); text-decoration: none;
  display: inline-flex; align-items: center; gap: 10px;
}
.nav-logo span { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.logo-mark { width: 38px; height: 31px; flex-shrink: 0; object-fit: contain; }
.logo-mark-lg { width: 84px; height: 68px; animation: loaderPulse 1.6s ease-in-out infinite; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  color: var(--text-2); text-decoration: none; font-size: 14px; font-weight: 500;
  transition: color 0.25s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  color: var(--text) !important;
  padding: 9px 18px; border-radius: 99px;
  background: var(--surface); border: 1px solid var(--border);
  transition: background 0.25s, border-color 0.25s, transform 0.25s !important;
}
.nav-cta:hover { background: rgba(43,181,160,0.15); border-color: rgba(43,181,160,0.4); transform: translateY(-1px); }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; padding: 8px; }
.nav-burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s var(--ease); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 99px;
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  cursor: pointer;
}
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 8px 30px rgba(43,181,160, 0.35);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 44px rgba(22,135,184, 0.5); }
.btn-ghost {
  color: var(--text); background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
.btn-lg { padding: 18px 36px; font-size: 16px; }

/* ============ Typography helpers ============ */
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grad-ai { background: var(--grad-ai); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kicker {
  display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 16px;
}
.section { padding: 140px 0; position: relative; }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 72px; }
.section-title {
  font-family: var(--font-d); font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.08;
}
.section-sub { color: var(--text-2); font-size: 18px; margin-top: 20px; }

/* ============ Reveal animation ============ */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(var(--d, 0) * 70ms);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============ HERO ============ */
.hero {
  min-height: 100vh; position: relative;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
#heroCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-gradient {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(43,181,160,0.16), transparent 60%),
    radial-gradient(ellipse 60% 45% at 85% 100%, rgba(22,135,184,0.12), transparent 60%),
    linear-gradient(to bottom, transparent 55%, var(--bg) 100%);
}
.hero-content {
  position: relative; z-index: 2; text-align: center;
  max-width: 1000px; padding: 140px 24px 100px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 8px 18px; border-radius: 99px; font-size: 13px; font-weight: 500;
  color: var(--text-2); background: var(--surface);
  border: 1px solid var(--border); backdrop-filter: blur(10px);
  margin-bottom: 32px;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: #34d399; animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(52, 211, 153, 0); }
}
.hero-title {
  font-family: var(--font-d);
  font-size: clamp(44px, 7.5vw, 96px);
  font-weight: 700; letter-spacing: -0.035em; line-height: 1.04;
}
.hero-title .line { display: block; overflow: hidden; }
.hero-title .line > span {
  display: inline-block; transform: translateY(110%);
  animation: lineUp 1.1s var(--ease) forwards;
}
.hero-title .line:nth-child(1) > span { animation-delay: 0.15s; }
.hero-title .line:nth-child(2) > span { animation-delay: 0.3s; }
.hero-title .line:nth-child(3) > span { animation-delay: 0.45s; }
@keyframes lineUp { to { transform: translateY(0); } }
.hero-sub {
  color: var(--text-2); font-size: clamp(16px, 2vw, 20px);
  max-width: 640px; margin: 28px auto 0;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; margin-top: 44px; flex-wrap: wrap; }
.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 40px;
  margin-top: 72px; flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num, .stat-plus {
  font-family: var(--font-d); font-size: 40px; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat p { color: var(--text-3); font-size: 13px; margin-top: 2px; }
.stat-div { width: 1px; height: 44px; background: var(--border); }
.hero-scroll-hint {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  color: var(--text-3); font-size: 12px; z-index: 2;
  animation: hintFade 3s ease-in-out infinite;
}
.mouse {
  width: 24px; height: 38px; border: 1.5px solid var(--text-3); border-radius: 14px;
  display: flex; justify-content: center; padding-top: 7px;
}
.wheel { width: 3px; height: 7px; background: var(--text-2); border-radius: 3px; animation: wheelMove 1.8s ease-in-out infinite; }
@keyframes wheelMove { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(10px); opacity: 0; } 100% { opacity: 0; } }
@keyframes hintFade { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } }

/* ============ Marquee strip ============ */
.strip {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 22px 0; overflow: hidden; background: var(--bg-2);
  position: relative; z-index: 2;
}
.strip-track {
  display: flex; align-items: center; gap: 40px; width: max-content;
  animation: marquee 30s linear infinite;
}
.strip:hover .strip-track { animation-play-state: paused; }
.strip-track span {
  font-family: var(--font-d); font-size: 16px; font-weight: 500;
  color: var(--text-2); white-space: nowrap;
}
.strip-track i { color: var(--blue); font-style: normal; font-size: 12px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ============ Scrolltelling story ============ */
.story { height: 420vh; position: relative; }
.story-sticky {
  position: sticky; top: 0; height: 100vh; overflow: hidden;
  display: flex; align-items: center;
}
#storyCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.story-overlay {
  position: relative; z-index: 2; width: 100%;
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
}
.story-phase {
  position: absolute; top: 50%; left: 24px; right: 24px;
  transform: translateY(-40%);
  opacity: 0; pointer-events: none;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  max-width: 620px;
}
.story-phase.active { opacity: 1; transform: translateY(-50%); pointer-events: auto; }
.story-kicker {
  font-family: var(--font-d); font-size: 14px; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue);
  display: block; margin-bottom: 18px;
}
.story-phase h2 {
  font-family: var(--font-d); font-size: clamp(36px, 5vw, 62px);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.08;
}
.story-phase h2 em {
  font-style: normal;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.story-phase p { color: var(--text-2); font-size: 18px; margin-top: 20px; max-width: 480px; }
.story-progress {
  position: absolute; right: 40px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 14px; z-index: 3;
}
.story-progress .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.18); transition: 0.4s var(--ease);
}
.story-progress .dot.active { background: var(--blue); height: 26px; border-radius: 6px; }

/* ============ Services ============ */
.services { background: var(--bg); }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  position: relative; padding: 36px 30px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 22px; overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, background 0.4s;
}
.card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(43,181,160,0.1), transparent 45%);
  opacity: 0; transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover { transform: translateY(-6px); border-color: rgba(43,181,160,0.3); }
.card:hover::before { opacity: 1; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(43,181,160,0.15), rgba(22,135,184,0.15));
  border: 1px solid rgba(43,181,160,0.25);
  color: var(--blue); margin-bottom: 22px;
}
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-family: var(--font-d); font-size: 19px; font-weight: 600; letter-spacing: -0.01em; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 14.5px; }

/* ============ Showcase ============ */
.showcase { background: var(--bg-2); }
.showcase-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.shot {
  position: relative; border-radius: 24px; overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 3 / 3.6;
  background: var(--bg-3);
  transition: transform 0.5s var(--ease), border-color 0.5s, box-shadow 0.5s;
}
.shot:hover {
  transform: translateY(-8px);
  border-color: rgba(43,181,160,0.35);
  box-shadow: 0 24px 60px rgba(0,0,0,0.5), 0 0 40px rgba(43,181,160,0.12);
}
.shot img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.9s var(--ease);
}
.shot:hover img { transform: scale(1.07); }
.shot-label {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 70px 26px 26px;
  background: linear-gradient(to top, rgba(3,3,6,0.92) 30%, transparent);
}
.shot-label h3 { font-family: var(--font-d); font-size: 20px; font-weight: 600; }
.shot-label p { color: var(--text-2); font-size: 14px; margin-top: 6px; }

/* ============ AI section ============ */
.ai { background: var(--bg-2); overflow: hidden; }
.ai-glow {
  position: absolute; top: 50%; right: -10%; width: 700px; height: 700px;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(22,135,184,0.14) 0%, transparent 60%);
  pointer-events: none;
}
.ai-layout {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center;
}
.ai-text .section-title { text-align: left; }
.ai-text .section-sub { text-align: left; }
.ai-list { list-style: none; margin-top: 44px; display: flex; flex-direction: column; gap: 26px; }
.ai-list li { display: flex; gap: 20px; align-items: flex-start; }
.ai-chip {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-d); font-size: 13px; font-weight: 700;
  background: linear-gradient(135deg, rgba(140,198,63,0.14), rgba(22,135,184,0.14));
  border: 1px solid rgba(140,198,63,0.25); color: var(--pink);
}
.ai-list h4 { font-family: var(--font-d); font-size: 18px; font-weight: 600; }
.ai-list p { color: var(--text-2); font-size: 14.5px; margin-top: 4px; }

.ai-visual { display: flex; justify-content: center; }
.ai-orb { position: relative; width: 380px; height: 380px; }
#aiCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.ai-ring {
  position: absolute; border-radius: 50%; border: 1px solid rgba(22,135,184,0.25);
  inset: 0;
}
.ai-ring.r1 { animation: ringSpin 14s linear infinite; border-style: dashed; }
.ai-ring.r2 { inset: 36px; border-color: rgba(62,230,196,0.22); animation: ringSpin 10s linear infinite reverse; }
.ai-ring.r3 { inset: 76px; border-color: rgba(140,198,63,0.22); border-style: dashed; animation: ringSpin 18s linear infinite; }
@keyframes ringSpin { to { transform: rotate(360deg); } }
.ai-core {
  position: absolute; inset: 0; margin: auto; width: 120px; height: 120px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-d); font-size: 34px; font-weight: 700;
  background: var(--grad-ai); color: #fff;
  box-shadow: 0 0 70px rgba(22,135,184,0.55), 0 0 130px rgba(140,198,63,0.28);
  animation: corePulse 3.4s ease-in-out infinite;
}
@keyframes corePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }

/* ============ Industries ============ */
.industries { background: var(--bg); padding-bottom: 100px; }
.ind-rows { display: flex; flex-direction: column; gap: 20px; overflow: hidden; }
.ind-track { display: flex; gap: 20px; width: max-content; }
.t-left { animation: marquee 36s linear infinite; }
.t-right { animation: marqueeR 36s linear infinite; }
@keyframes marqueeR { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.ind-track:hover { animation-play-state: paused; }
.ind-item {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 34px; border-radius: 18px; white-space: nowrap;
  font-family: var(--font-d); font-size: 18px; font-weight: 500;
  background: var(--surface); border: 1px solid var(--border);
  transition: border-color 0.3s, background 0.3s;
}
.ind-item:hover { border-color: rgba(43,181,160,0.4); background: rgba(43,181,160,0.07); }
.ind-ico { font-size: 24px; }

/* ============ Why ============ */
.why { background: var(--bg-2); }
.why-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1px;
  background: var(--border); border: 1px solid var(--border); border-radius: 24px;
  overflow: hidden;
}
.why-item {
  background: var(--bg-2); padding: 40px 32px;
  transition: background 0.4s;
  position: relative;
}
.why-item:hover { background: var(--bg-3); }
.why-num {
  font-family: var(--font-d); font-size: 15px; font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  margin-bottom: 18px;
}
.why-item h3 { font-family: var(--font-d); font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.why-item p { color: var(--text-2); font-size: 14.5px; }

/* ============ Technologies ============ */
.tech { background: var(--bg); }
.tech-groups { display: flex; flex-direction: column; gap: 36px; max-width: 900px; margin: 0 auto; }
.tech-group h4 {
  font-size: 13px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 16px;
}
.tech-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.tbadge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 24px; border-radius: 99px;
  font-family: var(--font-d); font-size: 15px; font-weight: 500;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s, color 0.3s;
  cursor: default;
}
.tbadge img, .tbadge svg {
  width: 22px; height: 22px; object-fit: contain; display: block;
  filter: drop-shadow(0 0 6px rgba(0,0,0,0.4));
}
.tbadge:hover {
  transform: translateY(-4px);
  border-color: var(--c);
  color: var(--c);
  box-shadow: 0 8px 26px color-mix(in srgb, var(--c) 25%, transparent);
}

/* ============ CTA ============ */
.cta {
  position: relative; padding: 160px 0; text-align: center; overflow: hidden;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}
.cta-bg {
  position: absolute; inset: 0;
  background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1600&q=80&auto=format&fit=crop') center / cover no-repeat;
  opacity: 0.18;
}
.cta-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, var(--bg-2) 0%, transparent 35%, transparent 65%, var(--bg-2) 100%);
}
#ctaCanvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.cta-inner { position: relative; z-index: 2; }
.cta h2 {
  font-family: var(--font-d); font-size: clamp(40px, 6vw, 76px);
  font-weight: 700; letter-spacing: -0.03em; line-height: 1.06;
}
.cta p { color: var(--text-2); font-size: 18px; margin: 24px auto 0; max-width: 520px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; margin-top: 48px; flex-wrap: wrap; }

/* ============ Footer ============ */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding-top: 80px; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 64px;
}
.footer-brand p { color: var(--text-3); font-size: 14px; margin-top: 16px; max-width: 300px; }
.footer-col h5 {
  font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 18px;
}
.footer-col a {
  display: block; color: var(--text-2); text-decoration: none;
  font-size: 14.5px; margin-bottom: 12px; transition: color 0.25s;
}
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 26px 24px; text-align: center;
}
.footer-bottom p { color: var(--text-3); font-size: 13px; }

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .ai-layout { grid-template-columns: 1fr; gap: 60px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .shot { aspect-ratio: 16 / 10; }
  .ai-orb { width: 300px; height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .story-progress { right: 16px; }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: rgba(5,5,7,0.92); backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease);
  }
  .nav-links.open { max-height: 420px; }
  .nav-links a { padding: 18px 24px; width: 100%; font-size: 16px; }
  .nav-cta { border: 0 !important; background: none !important; border-radius: 0 !important; }
  .nav-burger { display: flex; }
  .section { padding: 96px 0; }
  .hero-stats { gap: 24px; }
  .stat-div { display: none; }
  .story { height: 380vh; }
  .story-phase h2 { font-size: clamp(30px, 8vw, 42px); }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta { padding: 110px 0; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}