/* ---------- Selira AI Design System ---------- */
:root{
  --bg:#07060d;
  --bg-2:#0d0a1c;
  --surface:rgba(255,255,255,.04);
  --surface-2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.08);
  --text:#f5f3ff;
  --text-dim:rgba(245,243,255,.66);
  --text-muted:rgba(245,243,255,.42);
  --pink:#ff2bd6;
  --magenta:#c026d3;
  --purple:#7c3aed;
  --cyan:#22d3ee;
  --grad-1:linear-gradient(135deg,#ff2bd6 0%,#c026d3 35%,#7c3aed 70%,#22d3ee 100%);
  --grad-2:linear-gradient(135deg,#ff2bd6,#7c3aed);
  --grad-soft:linear-gradient(135deg,rgba(255,43,214,.18),rgba(124,58,237,.18));
  --shadow-glow:0 20px 60px -20px rgba(255,43,214,.55), 0 0 60px -10px rgba(124,58,237,.4);
  --radius:18px;
  --radius-lg:28px;
  --font-sans:'Inter','SF Pro Display',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --font-display:'Space Grotesk','Inter',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  background-image:
    radial-gradient(1200px 600px at 10% -10%, rgba(255,43,214,.18), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(34,211,238,.14), transparent 60%),
    radial-gradient(800px 600px at 50% 110%, rgba(124,58,237,.16), transparent 60%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}

/* Container */
.container{max-width:1240px;margin:0 auto;padding:0 24px}

/* Typography */
h1,h2{font-family:var(--font-display);font-weight:700;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,6vw,4.6rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.8rem)}
.gradient-text{
  background:var(--grad-1);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:999px;
  font-weight:600;font-size:.98rem;
  transition:transform .25s, box-shadow .25s, filter .25s;
  cursor:pointer;
}
.btn-primary{
  background:var(--grad-1);color:#fff;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);filter:brightness(1.08)}
.btn-ghost{
  background:var(--surface);color:var(--text);
  border:1px solid var(--border);backdrop-filter:blur(20px);
}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn-lg{padding:18px 36px;font-size:1.05rem}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:saturate(160%) blur(18px);
  background:rgba(7,6,13,.6);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:1.25rem}
.logo img{height:36px;width:auto;filter:drop-shadow(0 0 12px rgba(255,43,214,.6))}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{color:var(--text-dim);font-size:.95rem;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.nav-burger{display:none;width:40px;height:40px;border-radius:10px;background:var(--surface);align-items:center;justify-content:center}
.nav-burger span{display:block;width:18px;height:2px;background:#fff;position:relative;transition:.25s}
.nav-burger span:before,.nav-burger span:after{content:'';position:absolute;left:0;width:18px;height:2px;background:#fff;transition:.25s}
.nav-burger span:before{top:-6px}.nav-burger span:after{top:6px}
.nav-burger.active span{background:transparent}
.nav-burger.active span:before{top:0;transform:rotate(45deg)}
.nav-burger.active span:after{top:0;transform:rotate(-45deg)}

/* Hero */
.hero{position:relative;padding:80px 0 100px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.hero h1{margin-bottom:24px}
.hero .lead{font-size:1.2rem;color:var(--text-dim);max-width:560px;margin-bottom:36px}
.hero-ctas{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;gap:32px;margin-top:48px;flex-wrap:wrap}
.hero-stat strong{display:block;font-family:var(--font-display);font-size:1.8rem;background:var(--grad-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-stat span{color:var(--text-muted);font-size:.88rem}

/* Floating 3D card stack */
.hero-visual{position:relative;height:520px;perspective:1400px}
.float-card{
  position:absolute;border-radius:24px;overflow:hidden;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.06) inset;
  transition:transform .6s cubic-bezier(.2,.8,.2,1);
}
.float-card img{width:100%;height:100%;object-fit:cover}
.float-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(0,0,0,.55))}
.float-card .badge{position:absolute;left:14px;bottom:14px;color:#fff;font-weight:600;font-size:.92rem;z-index:2}
.float-card .badge small{display:block;font-weight:400;color:rgba(255,255,255,.7);font-size:.78rem}
.fc-1{top:0;left:6%;width:62%;height:78%;transform:rotate(-4deg) translateZ(40px);animation:float1 8s ease-in-out infinite}
.fc-2{top:18%;right:0;width:48%;height:62%;transform:rotate(6deg) translateZ(80px);animation:float2 9s ease-in-out infinite}
.fc-3{bottom:0;left:18%;width:50%;height:46%;transform:rotate(2deg) translateZ(20px);animation:float3 10s ease-in-out infinite}
@keyframes float1{50%{transform:rotate(-4deg) translateY(-14px) translateZ(40px)}}
@keyframes float2{50%{transform:rotate(6deg) translateY(-22px) translateZ(80px)}}
@keyframes float3{50%{transform:rotate(2deg) translateY(-10px) translateZ(20px)}}

.glow-orb{
  position:absolute;border-radius:50%;filter:blur(70px);opacity:.7;pointer-events:none;
}
.glow-orb.a{width:380px;height:380px;background:#ff2bd6;top:-80px;right:-60px}
.glow-orb.b{width:300px;height:300px;background:#22d3ee;bottom:-100px;left:-60px}

/* Section */
section{padding:90px 0;position:relative}
.section-head{text-align:center;max-width:760px;margin:0 auto 60px}
.section-head .eyebrow{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--border);
  font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim);
  margin-bottom:18px;
}
.section-head p{color:var(--text-dim);margin-top:14px;font-size:1.08rem}

/* Features grid */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{
  padding:32px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--border);
  position:relative;overflow:hidden;transition:transform .3s, border-color .3s;
}
.feature:hover{transform:translateY(-6px);border-color:rgba(255,43,214,.4)}
.feature .icon{
  width:54px;height:54px;border-radius:16px;
  background:var(--grad-1);display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:18px;box-shadow:var(--shadow-glow);
}
.feature h2{font-size:1.25rem;margin-bottom:10px}
.feature p{color:var(--text-dim);font-size:.96rem}

/* Models grid */
.models-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.model-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:3/4;background:#111;
  transition:transform .35s;
  border:1px solid var(--border);
}
.model-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.model-card:hover img{transform:scale(1.06)}
.model-card .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,.05) 40%,rgba(7,6,13,.95) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:22px;
}
.model-card .name{font-family:var(--font-display);font-size:1.3rem;font-weight:700;display:flex;align-items:center;gap:8px}
.model-card .name::after{content:'';width:8px;height:8px;border-radius:50%;background:#22e07e;box-shadow:0 0 12px #22e07e}
.model-card .meta{color:var(--text-dim);font-size:.86rem;margin:4px 0 10px}
.model-card .tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.model-card .tag{padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.1);font-size:.74rem;border:1px solid rgba(255,255,255,.1)}
.model-card .open{
  align-self:flex-start;padding:9px 18px;border-radius:999px;
  background:var(--grad-1);font-weight:600;font-size:.85rem;color:#fff;
}

/* How it works */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  padding:30px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--border);
  position:relative;
}
.step .n{
  position:absolute;top:-22px;left:24px;
  width:46px;height:46px;border-radius:14px;
  background:var(--grad-1);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;color:#fff;
  box-shadow:var(--shadow-glow);
}
.step h2{font-size:1.15rem;margin:18px 0 8px}
.step p{color:var(--text-dim);font-size:.94rem}

/* Story blocks (two text blocks home) */
.story{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.story-text p{color:var(--text-dim);margin-bottom:16px;font-size:1.02rem}
.story-text p:first-of-type::first-letter{
  font-family:var(--font-display);float:left;font-size:3.6rem;line-height:.9;
  padding:6px 14px 0 0;background:var(--grad-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.story-visual{
  height:480px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
  box-shadow:var(--shadow-glow);
}
.story-visual img{width:100%;height:100%;object-fit:cover}

/* FAQ */
.faq{max-width:840px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);background:var(--surface);
  border-radius:18px;margin-bottom:14px;overflow:hidden;
  transition:border-color .25s;
}
.faq-item.open{border-color:rgba(255,43,214,.45)}
.faq-q{
  width:100%;padding:22px 26px;text-align:left;
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  font-size:1.04rem;font-weight:600;
}
.faq-q::after{content:'+';font-size:1.6rem;color:var(--pink);transition:transform .25s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease, padding .25s ease;padding:0 26px;color:var(--text-dim)}
.faq-item.open .faq-a{max-height:400px;padding:0 26px 22px}

/* CTA banner */
.cta-banner{
  margin:80px auto;max-width:1100px;
  padding:60px 50px;border-radius:32px;
  background:var(--grad-soft);
  border:1px solid rgba(255,43,214,.3);
  position:relative;overflow:hidden;text-align:center;
  backdrop-filter:blur(20px);
}
.cta-banner::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 0%, rgba(255,43,214,.35), transparent 60%),
             radial-gradient(circle at 80% 100%, rgba(34,211,238,.3), transparent 55%);
  pointer-events:none;
}
.cta-banner h2{margin-bottom:14px;position:relative}
.cta-banner p{color:var(--text-dim);max-width:560px;margin:0 auto 28px;position:relative}
.cta-banner .btn{position:relative}

/* Footer */
.site-footer{
  background:#05040a;border-top:1px solid var(--border);
  padding:70px 0 30px;color:var(--text-dim);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.footer-grid h2{font-size:.86rem;text-transform:uppercase;letter-spacing:.18em;color:var(--text);margin-bottom:18px;font-weight:600}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:10px}
.footer-grid a{color:var(--text-dim);font-size:.94rem;transition:color .2s}
.footer-grid a:hover{color:var(--pink)}
.footer-bar{display:flex;justify-content:space-between;align-items:center;padding-top:28px;border-top:1px solid var(--border);font-size:.86rem;color:var(--text-muted);flex-wrap:wrap;gap:14px}
.footer-brand p{margin-top:14px;font-size:.94rem;max-width:340px}

/* Reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease, transform .8s ease}
.reveal.in-view{opacity:1;transform:none}

/* ==================== Model profile ==================== */
.profile{display:grid;grid-template-columns:1.05fr 1.2fr;gap:60px;align-items:start;padding:60px 0}
.profile-photo{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:3/4;
  box-shadow:var(--shadow-glow);
}
.profile-photo img{width:100%;height:100%;object-fit:cover}
.profile-photo .live-badge{
  position:absolute;top:16px;left:16px;
  padding:6px 12px;border-radius:999px;background:rgba(7,6,13,.7);
  font-size:.78rem;backdrop-filter:blur(10px);display:flex;align-items:center;gap:6px;
}
.profile-photo .live-badge::before{content:'';width:8px;height:8px;border-radius:50%;background:#22e07e;box-shadow:0 0 10px #22e07e}
.profile h1{margin-bottom:10px}
.profile .age{color:var(--text-dim);font-size:1.1rem;margin-bottom:24px}
.profile .stats-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:22px 0 30px}
.profile .stat{padding:14px 18px;border-radius:14px;background:var(--surface);border:1px solid var(--border)}
.profile .stat span{color:var(--text-muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;display:block;margin-bottom:4px}
.profile .stat strong{font-size:1rem}
.profile h2{font-size:1.3rem;margin:28px 0 12px}
.profile p{color:var(--text-dim);margin-bottom:14px}
.profile .tags-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.profile .tags-row .tag{padding:7px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:.86rem}
.profile .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* About page */
.about-hero{padding:80px 0 40px;text-align:center}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:50px 0}
.about-card{padding:30px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border)}
.about-card h2{font-size:1.15rem;margin-bottom:10px}
.about-card p{color:var(--text-dim);font-size:.96rem}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:50px 0;padding:40px;border-radius:var(--radius-lg);background:var(--grad-soft);border:1px solid rgba(255,43,214,.2)}
.about-stat{text-align:center}
.about-stat .num{font-family:var(--font-display);font-size:2.6rem;background:var(--grad-1);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:block}
.about-stat .lbl{color:var(--text-dim);font-size:.92rem;margin-top:4px}

.timeline{position:relative;padding:40px 0;max-width:840px;margin:0 auto}
.timeline::before{content:'';position:absolute;left:24px;top:0;bottom:0;width:2px;background:var(--grad-1)}
.tl-item{position:relative;padding:18px 0 18px 70px;margin-bottom:14px}
.tl-item::before{content:'';position:absolute;left:14px;top:24px;width:22px;height:22px;border-radius:50%;background:var(--grad-1);box-shadow:0 0 18px rgba(255,43,214,.7)}
.tl-item .yr{font-family:var(--font-display);font-size:1.5rem;color:var(--pink);font-weight:700}
.tl-item h2{font-size:1.1rem;margin:4px 0 6px}
.tl-item p{color:var(--text-dim)}

/* Policy pages */
.policy{max-width:880px;margin:0 auto;padding:60px 0}
.policy h1{margin-bottom:14px}
.policy .updated{color:var(--text-muted);margin-bottom:40px}
.policy h2{font-size:1.2rem;margin:32px 0 10px;color:var(--text)}
.policy p,.policy li{color:var(--text-dim);margin-bottom:10px}
.policy ol,.policy ul{padding-left:22px;margin-bottom:14px}

/* Contact */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:60px 0;align-items:start}
.contact-form{padding:36px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border)}
.contact-form label{display:block;font-size:.86rem;color:var(--text-dim);margin-bottom:6px}
.contact-form input,.contact-form textarea{
  width:100%;padding:14px 16px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  color:var(--text);font:inherit;margin-bottom:16px;
}
.contact-form textarea{min-height:140px;resize:vertical}
.contact-info .card{padding:24px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);margin-bottom:14px}
.contact-info h2{font-size:1.1rem;margin-bottom:8px}
.contact-info p{color:var(--text-dim)}

/* Responsive */
@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero .lead{margin-left:auto;margin-right:auto}
  .hero-ctas{justify-content:center}
  .hero-stats{justify-content:center}
  .hero-visual{height:420px;margin-top:30px}
  .features,.steps,.about-grid{grid-template-columns:1fr 1fr}
  .models-grid{grid-template-columns:1fr 1fr}
  .story{grid-template-columns:1fr}
  .story-visual{height:340px}
  .profile{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-wrap{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr}
}
@media (max-width: 640px){
  .nav-burger{display:flex}
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    background:rgba(7,6,13,.95);backdrop-filter:blur(20px);
    flex-direction:column;padding:20px;gap:20px;
    transform:translateY(-110%);transition:transform .3s;
    border-bottom:1px solid var(--border);
  }
  .nav-links.open{transform:translateY(0)}
  .features,.steps,.about-grid,.models-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-banner{padding:40px 24px;margin:50px 16px}
  .profile .stats-row{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr;gap:20px}
}