/*
  SarDev Cinematic Web Template
  Core visual language derived from sardev.io.
  ------------------------------------------------------------
  REBRAND FIRST: edit the CSS variables below.
*/
:root{
  /* Foundation */
  --bg:#02040a;
  --bg-deep:#050608;
  --text:#f5f7fb;
  --muted:#b8c0d4;

  /* SarDev metallic accent */
  --gold:#d8b45b;
  --gold-soft:#d9b980;
  --gold-deep:#b79253;

  /* Glass transparency controls */
  --header-bg:rgba(2,4,10,.58);
  --panel-bg:rgba(7,12,24,.68);
  --panel-bg-strong:rgba(2,4,10,.76);
  --card-bg-top:rgba(12,14,19,.78);
  --card-bg-bottom:rgba(8,9,12,.70);
  --line:rgba(255,255,255,.14);
  --line-gold:rgba(216,180,91,.34);

  /* Video treatment */
  --video-brightness:.64;
  --video-saturation:1.08;
  --video-contrast:1.08;
  --overlay-dark-a:.78;
  --overlay-dark-b:.46;
  --overlay-dark-c:.82;

  /* Effects */
  --header-blur:16px;
  --panel-blur:14px;
  --radius-lg:24px;
  --radius-md:18px;
  --shadow:0 24px 80px rgba(0,0,0,.30);
  --wrap:1180px;
}

*{box-sizing:border-box}
html{margin:0;min-height:100%;background:var(--bg);scroll-behavior:smooth}
body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:transparent;color:var(--text);overflow-x:hidden}
a{color:inherit;text-decoration:none}
p{color:var(--muted);line-height:1.65}
h1,h2,h3,p{margin-top:0}
h1,h2,h3{letter-spacing:-.035em}
code{font:inherit;color:var(--gold-soft)}
.wrap{width:min(var(--wrap),92vw);margin-inline:auto}

/* Full-screen video background */
.site-bg-video{position:fixed;inset:0;width:100vw;height:100vh;object-fit:cover;z-index:0;display:block;pointer-events:none;filter:saturate(var(--video-saturation)) contrast(var(--video-contrast)) brightness(var(--video-brightness));transform:scale(1.01);background:var(--bg)}
.site-bg-overlay{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(circle at 20% 10%,rgba(216,180,91,.18),transparent 34%),linear-gradient(120deg,rgba(1,4,12,var(--overlay-dark-a)),rgba(4,8,18,var(--overlay-dark-b)),rgba(1,4,12,var(--overlay-dark-c)))}

/* Content always sits over the background layers */
.site-header,main,.site-footer{position:relative}
.site-header{z-index:30}
main,.site-footer{z-index:2}

/* Header / navigation */
.site-header{position:sticky;top:0;background:var(--header-bg);backdrop-filter:blur(var(--header-blur));-webkit-backdrop-filter:blur(var(--header-blur));border-bottom:1px solid var(--line-gold)}
.nav-shell{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.image-logo-shell{width:58px;height:58px;display:flex;align-items:center;justify-content:center;overflow:visible;flex:0 0 auto}
.image-logo{width:100%;height:100%;display:block;object-fit:contain;filter:drop-shadow(0 10px 24px rgba(0,0,0,.42))}
.brand-name{font-weight:900;letter-spacing:.02em;white-space:nowrap}
.nav-links{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex-wrap:wrap}
.nav-links a{font-size:12px;color:var(--muted);padding:9px 11px;border:1px solid transparent;border-radius:999px;transition:.2s ease}
.nav-links a:hover{color:#fff;border-color:rgba(216,180,91,.40);background:rgba(216,180,91,.08)}
.nav-links .nav-cta{color:#fff;border-color:rgba(216,180,91,.50);background:linear-gradient(135deg,rgba(216,180,91,.24),rgba(255,255,255,.06));font-weight:800}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.05);padding:9px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:#fff;margin:5px 0;border-radius:2px}

/* Hero */
.hero{padding:86px 0 46px}
.hero-content{max-width:980px;padding:clamp(28px,5vw,58px)}
.eyebrow{display:inline-block;color:var(--gold);font-size:12px;letter-spacing:.20em;text-transform:uppercase;font-weight:800;margin-bottom:14px}
.hero h1{font-size:clamp(44px,7vw,88px);line-height:.96;margin-bottom:22px;letter-spacing:-.06em;text-shadow:0 18px 70px rgba(0,0,0,.55)}
.hero-copy{font-size:clamp(18px,2vw,23px);max-width:850px;color:#d9deeb;text-shadow:0 12px 40px rgba(0,0,0,.55)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{border-color:rgba(216,180,91,.55);background:linear-gradient(135deg,rgba(216,180,91,.34),rgba(183,146,83,.20));color:#fff;box-shadow:0 12px 36px rgba(0,0,0,.28)}
.btn-secondary{border-color:var(--line);background:rgba(255,255,255,.06);color:#dce4f8;backdrop-filter:blur(10px)}

/* Glass surfaces — transparency intentionally preserves background video visibility */
.glass-panel,.card{border:1px solid var(--line);box-shadow:var(--shadow);backdrop-filter:blur(var(--panel-blur)) saturate(1.1);-webkit-backdrop-filter:blur(var(--panel-blur)) saturate(1.1)}
.glass-panel{background:linear-gradient(180deg,rgba(7,12,24,.68),rgba(2,4,10,.62));border-radius:var(--radius-lg);padding:28px}
.card{background:linear-gradient(180deg,var(--card-bg-top),var(--card-bg-bottom));border-radius:var(--radius-lg);padding:24px}
.card h3{margin-bottom:10px}
.card p{margin-bottom:0}
.compact-panel{max-width:900px;margin-bottom:18px}
.accent-panel{border-color:var(--line-gold);background:linear-gradient(180deg,rgba(35,27,12,.38),rgba(4,8,18,.66))}
.pill{display:inline-block;color:var(--gold);font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px;font-weight:800}

/* Layout sections */
.section{padding:30px 0 68px}
.section-head h2,.glass-panel h2{font-size:clamp(28px,4vw,48px);margin-bottom:12px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cta-panel{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-panel h2{max-width:760px}

/* Footer */
.site-footer{margin-top:20px;border-top:1px solid var(--line);background:rgba(2,4,10,.58);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0}
.footer-row p{font-size:13px;margin:5px 0 0}

@media(max-width:900px){
  .card-grid,.two-col{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;left:4vw;right:4vw;top:70px;padding:14px;border:1px solid var(--line);border-radius:18px;background:rgba(2,4,10,.92);backdrop-filter:blur(18px);align-items:stretch;flex-direction:column}
  .nav-links.is-open{display:flex}
  .nav-links a{text-align:center;padding:11px 14px}
  .hero{padding-top:56px}
  .cta-panel,.footer-row{align-items:flex-start;flex-direction:column}
}

@media(max-width:560px){
  .brand-name{font-size:14px}
  .image-logo-shell{width:50px;height:50px}
  .hero h1{font-size:42px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .site-bg-video{display:none}
  body{background:var(--bg)}
  .btn{transition:none}
}

/* SarDev Voice Lab identity */
:root{--gold:#aa8bff;--gold-soft:#d7c8ff;--gold-deep:#8254e8;--line-gold:rgba(164,119,255,.38);--wrap:1200px}
.site-bg-overlay{background:radial-gradient(circle at 73% 15%,rgba(93,51,179,.23),transparent 36%),linear-gradient(120deg,rgba(1,4,12,.88),rgba(4,8,18,.72),rgba(1,4,12,.9))}
.brand-name{font-size:clamp(13px,1.6vw,18px);letter-spacing:.065em}
.image-logo-shell{width:64px;height:64px;border-radius:50%;overflow:hidden;background:#080914}
.image-logo{width:155%;height:100%;max-width:none;object-fit:cover}
.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:24px;padding-top:80px;padding-bottom:70px}
.hero-content{position:relative;z-index:1;max-width:750px}
.hero h1{font-size:clamp(44px,5.6vw,76px)}
.hero-art{margin:0;min-width:0;border:1px solid var(--line-gold);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:#070813}
.hero-art img{display:block;width:100%;height:100%;min-height:380px;object-fit:cover}
.feature-split{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;gap:20px}
.feature-copy{padding:clamp(28px,4vw,48px)}
.feature-image{display:block;width:100%;height:100%;min-height:410px;max-height:610px;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow)}
.check-list{list-style:none;padding:0;margin:24px 0 0;color:#dbe0ed;line-height:1.6}
.check-list li{padding:12px 0 12px 26px;border-top:1px solid var(--line);position:relative}
.check-list li::before{content:'•';position:absolute;left:4px;color:var(--gold)}
.fine-print{font-size:14px;margin-top:22px}
.section{scroll-margin-top:100px}
a:focus-visible,button:focus-visible{outline:3px solid #cab8ff;outline-offset:3px}
@media(max-width:900px){.hero,.feature-split{grid-template-columns:1fr}.hero{padding-top:42px}.hero-art img{min-height:0;aspect-ratio:16/9}.feature-image{min-height:0;aspect-ratio:16/9}.reverse .feature-image{order:2}}
@media(max-width:560px){.brand-name{font-size:13px}.hero h1{font-size:clamp(39px,10vw,54px)}.hero-content{padding:25px}.hero{gap:16px}.feature-copy{padding:26px}}

/* Shared SarDev Labs header from the latest Voice Lab package. */
.site-header{position:sticky;top:0;z-index:30;background:rgba(2,4,10,.58);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.site-header .lab-nav{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:15px 0}
.site-header .brand{display:flex;align-items:center;gap:12px;min-width:0;font-weight:800;letter-spacing:.04em;padding:0;border:0}
.site-header .brand-video{display:block;width:52px;height:52px;flex:0 0 auto;object-fit:contain;border-radius:50%;background:transparent}
.site-header .brand-video img{width:100%;height:100%;object-fit:contain}
.site-header .brand span{font-weight:900;color:#fff;white-space:nowrap}
.site-header .navlinks{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:8px}
.site-header .navlinks a{font-size:12px;color:var(--muted);padding:8px 10px;border:1px solid transparent;border-radius:999px}
.site-header .navlinks a:hover,.site-header .navlinks a.active{color:#fff;border-color:rgba(216,180,91,.4);background:rgba(216,180,91,.08)}
.site-header .navlinks a.btn.secondary{border-color:var(--line);background:rgba(255,255,255,.06);color:#dce4f8;font-weight:800}
.footer-voice-logo{display:block;width:130px;height:auto;max-height:140px;object-fit:contain;margin-bottom:10px}
@media(max-width:900px){.site-header .lab-nav{align-items:flex-start;flex-direction:column}.site-header .navlinks{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){.site-header .brand-video{display:none}.site-header .brand::before{content:'';display:block;width:52px;height:52px;background:url('/assets/images/sardev-voice-logo.png') center / contain no-repeat}}