/* ---------- Tokens ---------- */
:root{
  --bg:        #0E0A06;
  --bg-2:      #181107;
  --surface:   rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.07);
  --border:    rgba(255,200,90,0.14);
  --border-2:  rgba(255,255,255,0.10);
  --text:      #F4ECD8;
  --muted:     #A89B82;
  --brand:     #F5B23A;
  --brand-2:   #F39A2C;
  --brand-3:   #FFD466;
  --grad:      linear-gradient(135deg,#FFD466 0%,#F5B23A 45%,#F39A2C 100%);
  --grad-soft: linear-gradient(135deg,rgba(255,212,102,.18),rgba(243,154,44,.10));
  --easy:      #59D17C;
  --hard:      #F0566F;
  --radius:    18px;
  --radius-lg: 28px;
  --shadow-glow: 0 30px 90px -30px rgba(245,178,58,.55);
}

/* ---------- Reset ---------- */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--bg);color:var(--text);font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}

body{
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(245,178,58,.18), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(243,154,44,.12), transparent 60%),
    var(--bg);
  overflow-x:hidden;
}

/* ---------- Nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:28px;
  padding:14px max(24px, 5vw);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  background:rgba(14,10,6,.6);
  border-bottom:1px solid var(--border-2);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-0.01em}
.brand img{border-radius:9px;box-shadow:0 8px 22px -8px rgba(245,178,58,.6)}
.nav-links{display:flex;gap:22px;margin-left:auto;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
@media (max-width:720px){ .nav-links{display:none} }

.lang-switch{
  display:inline-flex;align-items:center;gap:2px;
  padding:4px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border-2);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.lang-switch a{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;padding:5px 10px;border-radius:999px;
  color:var(--muted);text-transform:uppercase;
  transition:color .15s ease, background .15s ease;
}
.lang-switch a:hover{color:var(--text)}
.lang-switch a[aria-current="true"]{
  background:var(--grad);color:#231601;
}
@media (max-width:560px){ .lang-switch{order:3} }

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:999px;
  background:var(--grad);color:#231601;font-weight:700;font-size:14px;
  box-shadow:0 10px 30px -10px rgba(245,178,58,.6);
  transition:transform .2s ease, box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 16px 40px -12px rgba(245,178,58,.7)}
.btn-sm{padding:9px 14px;font-size:13px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:80px max(24px,5vw) 60px;overflow:hidden}
.hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;
  max-width:1200px;margin:0 auto;
}
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:40px;text-align:center}
}

.eyebrow{
  display:inline-block;padding:6px 12px;border-radius:999px;
  background:var(--grad-soft);border:1px solid var(--border);
  color:var(--brand-3);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  margin-bottom:18px;
}
h1{font-size:clamp(40px,6vw,72px);line-height:1.04;font-weight:900;letter-spacing:-0.03em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{margin-top:22px;color:var(--muted);font-size:clamp(16px,1.5vw,18px);max-width:560px}
@media (max-width:980px){.lede{margin-left:auto;margin-right:auto}}

.cta-row{margin-top:32px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
@media (max-width:980px){.cta-row{justify-content:center}}
.appstore{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;border-radius:14px;
  background:#fff;color:#0d0d0d;font-weight:600;
  box-shadow:0 16px 50px -16px rgba(255,212,102,.6);
  transition:transform .2s ease;
}
.appstore:hover{transform:translateY(-2px)}
.apple-logo{flex-shrink:0;margin-top:-2px}
.ascl{display:flex;flex-direction:column;line-height:1}
.ascl .t1{font-size:10px;letter-spacing:.04em;opacity:.7;margin-bottom:2px}
.ascl .t2{font-size:18px;font-weight:700;letter-spacing:-0.01em}
.badge{font-size:13px;color:var(--muted)}

.hero-bullets{
  list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 28px;
  margin-top:34px;max-width:520px;
}
@media (max-width:980px){.hero-bullets{margin-left:auto;margin-right:auto}}
.hero-bullets li{display:flex;align-items:center;gap:10px;color:var(--text);font-size:14px}
.hero-bullets span{font-size:18px}

.hero-visual{
  position:relative;height:620px;
  display:flex;align-items:center;justify-content:center;
}
@media (max-width:980px){.hero-visual{height:560px}}
.phone{
  position:absolute;border-radius:42px;overflow:hidden;
  border:6px solid #0a0703;
  background:#0a0703;
  box-shadow:0 50px 120px -40px rgba(0,0,0,.8), 0 0 0 1px rgba(255,212,102,.08);
}
.phone img{width:100%;height:100%;object-fit:cover}
.phone-front{
  width:280px;height:580px;
  transform:rotate(-4deg) translateX(-30px);
  z-index:2;
  box-shadow:0 60px 130px -40px rgba(245,178,58,.45), 0 0 0 1px rgba(255,212,102,.18);
}
.phone-back{
  width:260px;height:540px;
  transform:rotate(7deg) translateX(120px) translateY(20px);
  opacity:.8;
}
@media (max-width:540px){
  .phone-front{width:240px;height:500px;transform:rotate(-3deg) translateX(-10px)}
  .phone-back{width:220px;height:460px;transform:rotate(6deg) translateX(80px)}
}

.glow{position:absolute;border-radius:50%;filter:blur(80px);opacity:.45;pointer-events:none}
.glow-1{width:520px;height:520px;background:#F5B23A;top:-100px;right:-120px}
.glow-2{width:380px;height:380px;background:#F39A2C;bottom:-120px;left:-80px;opacity:.3}

/* ---------- Strip ---------- */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  max-width:1100px;margin:0 auto;padding:24px max(24px,5vw);
  border-top:1px solid var(--border-2);border-bottom:1px solid var(--border-2);
  gap:20px;
}
.strip-item{display:flex;flex-direction:column;gap:4px}
.strip-item strong{font-size:20px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.strip-item span{color:var(--muted);font-size:13px}
@media (max-width:680px){.strip{grid-template-columns:repeat(2,1fr)}}

/* ---------- Sections ---------- */
.section{padding:100px max(24px,5vw);max-width:1200px;margin:0 auto}
@media (max-width:680px){.section{padding:70px max(20px,5vw)}}

.section-head{max-width:780px;margin-bottom:50px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(28px,3.5vw,44px);font-weight:800;letter-spacing:-0.025em;line-height:1.12}
.section-head .muted{color:var(--muted);font-weight:600}
.section-head p{margin-top:16px;color:var(--muted);font-size:17px;max-width:640px}
.section-head.center p{margin-left:auto;margin-right:auto}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:980px){.features{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.features{grid-template-columns:1fr}}

.feature{
  position:relative;
  padding:26px;border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--border-2);
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}
.feature:hover{transform:translateY(-4px);border-color:var(--border);background:var(--surface-2)}
.ficon{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;font-size:22px;
  background:var(--grad-soft);border:1px solid var(--border);
  margin-bottom:16px;
}
.feature h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-0.01em}
.feature p{color:var(--muted);font-size:14px;line-height:1.6}

/* ---------- Demo ---------- */
.demo{padding-top:60px;padding-bottom:60px}
.demo-stage{
  position:relative;height:420px;max-width:480px;margin:30px auto 12px;
  perspective:1200px;
}
.demo-bg{
  position:absolute;inset:0;border-radius:24px;display:grid;place-items:center;
  font-size:32px;font-weight:800;letter-spacing:-.01em;color:#fff;
}
.demo-bg.easy{background:rgba(89,209,124,.85)}
.demo-bg.hard{background:rgba(240,86,111,.85)}

.demo-card{
  position:absolute;inset:0;border-radius:24px;
  background:rgba(20,14,8,.85);
  border:1px solid rgba(255,255,255,.08);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  box-shadow:0 40px 80px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(255,212,102,.12);
  padding:24px;display:flex;flex-direction:column;
  cursor:grab;user-select:none;
  transition:transform .35s cubic-bezier(.2,.7,.2,1);
  will-change:transform;
}
.demo-card.grabbing{cursor:grabbing;transition:none}
.dc-row{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}
.dc-word{font-size:36px;font-weight:800;letter-spacing:-0.02em;text-align:center;margin:auto 0 12px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dc-trans{font-size:20px;text-align:center;color:var(--muted);margin-bottom:auto}
.dc-buttons{display:flex;align-items:center;justify-content:space-between;padding-top:14px;border-top:1px solid rgba(255,255,255,.06)}
.dc-btn{font-weight:700;font-size:15px}
.dc-btn.green{color:var(--easy)}
.dc-btn.red{color:var(--hard)}
.dc-divider{width:1px;height:24px;background:rgba(255,255,255,.1)}
.demo-hint{text-align:center;color:var(--muted);font-size:13px}

/* ---------- Steps ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:s}
@media (max-width:780px){.steps{grid-template-columns:1fr}}
.steps li{
  position:relative;padding:34px 26px 26px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--border-2);
}
.step-n{
  position:absolute;top:-18px;left:24px;
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad);color:#231601;font-weight:900;font-size:18px;
  box-shadow:0 14px 30px -10px rgba(245,178,58,.6);
}
.steps h3{font-size:19px;margin-bottom:8px;letter-spacing:-0.01em}
.steps p{color:var(--muted);font-size:14.5px}

/* ---------- iCloud ---------- */
.icloud-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:50px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(245,178,58,.08), rgba(243,154,44,.04));
  border:1px solid var(--border);
}
@media (max-width:980px){.icloud-grid{grid-template-columns:1fr;padding:30px;gap:40px}}
.icloud h2{font-size:clamp(24px,3vw,36px);font-weight:800;letter-spacing:-0.02em;line-height:1.18;margin:14px 0 16px}
.icloud p{color:var(--muted);font-size:16px;margin-bottom:20px}
.check{list-style:none;display:flex;flex-direction:column;gap:10px}
.check li{position:relative;padding-left:28px;font-size:15px}
.check li::before{
  content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;
  background:var(--grad);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>") center/14px no-repeat;
          mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='black' d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/></svg>") center/14px no-repeat;
}
.cloud-art{position:relative;height:380px}
.device{position:absolute;border-radius:28px;overflow:hidden;border:5px solid #0a0703;box-shadow:0 30px 80px -25px rgba(0,0,0,.7), 0 0 0 1px rgba(255,212,102,.12)}
.device img{width:100%;height:100%;object-fit:cover}
.d-iphone{width:180px;height:380px;left:6%;top:0;transform:rotate(-6deg)}
.d-ipad{width:240px;height:340px;right:0;bottom:10px;transform:rotate(5deg)}
.cloud-orb{
  position:absolute;left:50%;top:46%;transform:translate(-50%,-50%);
  width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, #FFD466, #F39A2C 70%);
  filter:blur(8px);opacity:.55;
  animation:pulse 4s ease-in-out infinite;
}
@keyframes pulse{50%{transform:translate(-50%,-50%) scale(1.12);opacity:.75}}

/* ---------- Screens ---------- */
.shots{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
@media (max-width:880px){.shots{grid-template-columns:repeat(2,1fr)}}
.shots figure{
  border-radius:24px;overflow:hidden;background:var(--surface);
  border:1px solid var(--border-2);
  transition:transform .3s ease, border-color .3s ease;
}
.shots figure:hover{transform:translateY(-6px) scale(1.02);border-color:var(--border)}
.shots img{aspect-ratio:9/19.5;object-fit:cover;width:100%}
.shots figcaption{padding:14px 16px;font-size:13.5px;color:var(--muted);text-align:center}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:10px;max-width:820px}
.faq details{
  background:var(--surface);border:1px solid var(--border-2);
  border-radius:var(--radius);padding:18px 22px;
  transition:border-color .2s, background .2s;
}
.faq details[open]{border-color:var(--border);background:var(--surface-2)}
.faq summary{
  cursor:pointer;list-style:none;font-weight:600;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-size:24px;font-weight:300;color:var(--brand);
  transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.65}

/* ---------- CTA ---------- */
.cta{padding-top:50px;padding-bottom:120px}
.cta-card{
  text-align:center;padding:60px 30px;
  border-radius:var(--radius-lg);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(255,212,102,.18), transparent 60%),
    linear-gradient(135deg, rgba(245,178,58,.10), rgba(243,154,44,.04));
  border:1px solid var(--border);
  box-shadow:var(--shadow-glow);
}
.cta-card img{margin:0 auto 18px;border-radius:18px;box-shadow:0 14px 40px -10px rgba(245,178,58,.5)}
.cta-card h2{font-size:clamp(26px,3.5vw,40px);font-weight:800;letter-spacing:-0.02em}
.cta-card p{color:var(--muted);margin:14px 0 28px;font-size:17px}
.cta-card .appstore{margin:0 auto}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--border-2);padding:30px max(24px,5vw)}
.footer-inner{
  max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:700}
.foot-brand img{border-radius:7px}
.foot-mini{color:var(--muted);font-size:13px;margin-left:auto}
.foot-links{display:flex;gap:18px;font-size:13px;color:var(--muted)}
.foot-links a:hover{color:var(--text)}
@media (max-width:680px){.foot-mini{margin-left:0}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s ease, transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Use cases ---------- */
.use-cases .uc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:980px){.use-cases .uc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:540px){.use-cases .uc-grid{grid-template-columns:1fr}}
.use-cases .uc{
  position:relative;
  padding:26px;border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--border-2);
  transition:transform .25s ease, border-color .25s ease, background .25s ease;
}
.use-cases .uc:hover{transform:translateY(-4px);border-color:var(--border);background:var(--surface-2)}
.use-cases .uc h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-0.01em}
.use-cases .uc p{color:var(--muted);font-size:14px;line-height:1.6}

/* ---------- Visually hidden (AI-only summary, screen readers) ---------- */
.ai-summary{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}