/* ============================================================
   SkyKraken — Shared Design System
   Dark, sober, premium. One signal-red accent.
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700;800&family=Archivo:wght@400;500;600&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root{
  /* Brand: navy nuit / crème / rouge insigne — aligned with product UI night theme */
  --bg:#0A0E1A;
  --bg-soft:#101626;
  --panel:#1A2233;
  --panel2:#222c41;
  --line:rgba(202,190,168,.12);
  --line-bright:rgba(202,190,168,.24);
  --text:#E8EAEF;
  --muted:#94A3B8;
  --dim:#6B7280;
  --cream:#F5F2EA;
  --accent:#D23B3B;
  --accent-bright:#E85555;
  --accent-soft:rgba(210,59,59,.12);
  --green:#4ADE80;
  --amber:#FBBF24;
  --cyan:#3fb6c8;
  --display:'Sora',sans-serif;
  --body:'Archivo',sans-serif;
  --mono:'JetBrains Mono',monospace;
  --maxw:1280px;
  --pad:48px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);font-family:var(--body);
  font-weight:400;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--accent);color:#fff}
a{color:inherit}
img,video{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}

/* grain overlay */
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------- Header ---------------- */
header.site{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px var(--pad);
  background:linear-gradient(to bottom,rgba(10,12,14,.92),transparent);
  backdrop-filter:blur(4px);transition:background .3s,padding .3s;
}
header.site.scrolled{background:rgba(10,12,14,.96);padding:14px var(--pad);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--text)}
.brand-mark{width:38px;height:38px;border-radius:50%;flex-shrink:0;object-fit:cover;box-shadow:0 0 0 1px var(--line-bright)}
.brand-name{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:.16em;text-transform:uppercase}
nav.main{display:flex;align-items:center;gap:34px}
nav.main a{color:var(--muted);text-decoration:none;font-size:13px;font-weight:500;letter-spacing:.07em;text-transform:uppercase;transition:color .25s}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--text)}
.lang{display:inline-flex;gap:2px;align-items:center;font-size:12px;letter-spacing:.04em;border:1px solid var(--line-bright);border-radius:999px;padding:3px;background:var(--panel)}
.lang a{color:var(--dim);text-decoration:none;transition:.2s;padding:3px 10px;border-radius:999px;font-weight:600}
.lang a:hover{color:var(--text)}
.lang a.active{color:#fff;background:var(--accent)}
.cta-nav{border:1px solid var(--line-bright);padding:9px 20px;border-radius:4px;color:var(--text)!important;font-size:12px!important;transition:all .25s}
.cta-nav:hover{background:var(--text);color:var(--bg)!important;border-color:var(--text)}
.burger{display:none;background:none;border:none;color:var(--text);cursor:pointer;width:30px;height:24px;position:relative;z-index:201}
.burger span{position:absolute;left:0;height:2px;width:100%;background:var(--text);transition:.3s;border-radius:2px}
.burger span:nth-child(1){top:2px}.burger span:nth-child(2){top:11px}.burger span:nth-child(3){top:20px}
.burger.open span:nth-child(1){top:11px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:11px;transform:rotate(-45deg)}
.nav-backdrop{display:none}

/* ---------------- Buttons ---------------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;border-radius:5px;font-family:var(--display);font-weight:600;font-size:14px;letter-spacing:.03em;text-decoration:none;transition:all .25s;cursor:pointer;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-bright);transform:translateY(-2px)}
.btn-ghost{border-color:var(--line-bright);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.05);border-color:var(--text)}

/* ---------------- Section primitives ---------------- */
.section{padding:110px 0;border-top:1px solid var(--line)}
.section-label{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:30px;display:flex;align-items:center;gap:14px}
.section-label::before{content:"";width:30px;height:1px;background:var(--accent)}
h1,h2,h3,h4{font-family:var(--display);letter-spacing:-.01em;line-height:1.08}
.reveal{opacity:0;transform:translateY(32px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.08s}.reveal-d2{transition-delay:.16s}.reveal-d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.reveal{transition:none;opacity:1;transform:none}}
/* sectors band */
.sectors-band{padding:30px 0;border-bottom:1px solid var(--line);background:var(--bg)}
.sectors-label{text-align:center;font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);margin-bottom:18px}
.sectors-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px 26px}
.sectors-row span{font-family:var(--display);font-size:clamp(.95rem,1.5vw,1.25rem);font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);transition:color .3s}
.sectors-row span:hover{color:var(--text)}
.sectors-row i{width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.55}
/* vision */
.vision-section{text-align:center;padding:120px 0}
.vision-h{font-weight:800;font-size:clamp(1.7rem,3.4vw,2.7rem);line-height:1.18;letter-spacing:-.01em;margin-bottom:26px}
.vision-h span{color:var(--muted);font-weight:400}
.vision-p{color:var(--muted);font-weight:300;font-size:clamp(1rem,1.3vw,1.18rem);line-height:1.7;max-width:720px;margin:0 auto}
/* use-case video frames */
.usecase-video{position:relative;border:1px solid var(--line-bright);border-radius:12px;overflow:hidden;background:#0b1018;aspect-ratio:16/9;box-shadow:0 40px 90px rgba(0,0,0,.55),0 0 50px rgba(74,222,128,.04)}
.usecase-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
/* manifesto video */
.manifesto-video{position:relative;max-width:1000px;margin:0 auto;border:1px solid var(--line-bright);border-radius:14px;overflow:hidden;background:#0b1018;aspect-ratio:16/9;box-shadow:0 50px 120px rgba(0,0,0,.6),0 0 60px rgba(74,222,128,.05)}
.manifesto-video video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.manifesto-sound{position:absolute;bottom:16px;right:16px;z-index:3;display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;border:1px solid var(--line-bright);background:rgba(10,14,26,.72);color:var(--text);font-family:var(--mono);font-size:12px;letter-spacing:.06em;cursor:pointer;backdrop-filter:blur(6px);transition:background .2s,border-color .2s}
.manifesto-sound:hover{background:rgba(10,14,26,.9);border-color:var(--accent)}
.manifesto-sound svg{display:block}
/* ---------------- Article (blog) ---------------- */
.article-hero{padding:140px 0 50px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.article-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 80% 0%,rgba(210,59,59,.08),transparent 60%)}
.article-hero .wrap{position:relative;max-width:820px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;font-family:var(--mono);font-size:12px;color:var(--dim);margin-bottom:20px}
.article-meta .tag{color:var(--accent);letter-spacing:.14em;text-transform:uppercase}
.article-hero h1{font-weight:800;font-size:clamp(2rem,4.2vw,3.2rem);line-height:1.08;margin-bottom:22px}
.article-hero .lead{font-size:clamp(1.1rem,1.7vw,1.35rem);color:var(--muted);font-weight:300;line-height:1.6}
.article-body{max-width:760px;margin:0 auto;padding:60px 0 40px}
.article-body>*{max-width:720px}
.article-body h2{font-weight:700;font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.2;margin:52px 0 18px;letter-spacing:-.01em}
.article-body h3{font-weight:600;font-size:1.25rem;margin:36px 0 14px;color:var(--text)}
.article-body p{font-size:1.08rem;line-height:1.75;color:#cdd4df;margin-bottom:22px;font-weight:300}
.article-body p strong,.article-body li strong{color:var(--text);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 22px 22px;color:#cdd4df}
.article-body li{font-size:1.08rem;line-height:1.7;margin-bottom:12px;font-weight:300}
.article-body a{color:var(--accent-bright);text-decoration:underline;text-underline-offset:3px}
.article-tldr{background:var(--bg-soft);border:1px solid var(--line-bright);border-left:3px solid var(--accent);border-radius:10px;padding:26px 30px;margin:0 0 44px}
.article-tldr .k{font-family:var(--mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:10px}
.article-tldr p{font-size:1.1rem;line-height:1.65;color:var(--text);margin:0;font-weight:400}
.article-callout{background:var(--bg-soft);border:1px solid var(--line);border-radius:10px;padding:26px 30px;margin:34px 0}
.article-callout p{margin:0}
.article-body blockquote{border-left:3px solid var(--line-bright);padding-left:24px;margin:34px 0;font-size:1.18rem;line-height:1.6;color:var(--text);font-weight:300;font-style:italic}
.article-figure{margin:36px 0;border:1px solid var(--line-bright);border-radius:12px;overflow:hidden;background:#0b1018;aspect-ratio:16/9;position:relative}
.article-figure video,.article-figure img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.article-faq{border-top:1px solid var(--line);margin-top:50px;padding-top:40px}
.article-faq h2{margin-top:0}
.article-faq details{border-bottom:1px solid var(--line);padding:18px 0}
.article-faq summary{cursor:pointer;font-weight:600;font-size:1.12rem;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:16px}
.article-faq summary::-webkit-details-marker{display:none}
.article-faq summary::after{content:"+";color:var(--accent);font-size:1.4rem;line-height:1}
.article-faq details[open] summary::after{content:"\2212"}
.article-faq details p{margin:14px 0 4px;font-size:1.04rem}
.article-cta{text-align:center;background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0;margin-top:60px}
.article-cta h2{font-weight:800;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:16px}
.article-cta p{color:var(--muted);max-width:520px;margin:0 auto 30px;font-weight:300}
.article-author{display:flex;align-items:center;gap:14px;margin-top:50px;padding-top:30px;border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}
.article-author .av{width:44px;height:44px;border-radius:50%;background:var(--panel);border:1px solid var(--line-bright);display:grid;place-items:center;color:var(--accent);font-family:var(--mono);font-weight:700;flex-shrink:0}
.related-card{border:1px solid var(--line);border-radius:10px;padding:26px;background:var(--bg);transition:border-color .3s,transform .3s;text-decoration:none;display:block}
.related-card:hover{border-color:var(--line-bright);transform:translateY(-3px)}
.related-card .tag{color:var(--accent);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.related-card h3{font-weight:600;font-size:1.12rem;margin:10px 0 0;color:var(--text)}

/* page hero (inner pages) */
.page-hero{padding:150px 0 70px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 80% 0%,rgba(210,59,59,.08),transparent 60%),radial-gradient(ellipse 50% 70% at 10% 100%,rgba(26,34,51,.5),transparent 60%)}
.page-hero .wrap{position:relative}
.page-hero h1{font-weight:800;font-size:clamp(2.2rem,5vw,4rem);margin-bottom:22px;max-width:880px}
.page-hero p.lead{font-size:clamp(1.05rem,1.7vw,1.35rem);color:var(--muted);font-weight:300;max-width:640px}

/* feature blocks */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-grid.two{grid-template-columns:repeat(2,1fr)}
.feat{border:1px solid var(--line);border-radius:10px;padding:32px;background:var(--bg);transition:border-color .3s,transform .3s}
.feat:hover{border-color:var(--line-bright);transform:translateY(-3px)}
.feat-ico{width:44px;height:44px;border:1px solid var(--accent);border-radius:9px;display:grid;place-items:center;margin-bottom:22px;color:var(--accent)}
.feat h3{font-weight:600;font-size:1.25rem;margin-bottom:11px}
.feat p{color:var(--muted);font-size:.95rem;font-weight:300}
.demo-frame{width:100%;height:640px;border:1px solid var(--line-bright);border-radius:12px;overflow:hidden;box-shadow:0 30px 90px rgba(0,0,0,.55);background:var(--panel)}
.demo-frame iframe{width:100%;height:100%;border:0;display:block}
@media(max-width:900px){.feat-grid,.feat-grid.two{grid-template-columns:1fr}.demo-frame{height:70vh}}

/* ---------------- Footer ---------------- */
footer.site{padding:70px 0 40px;border-top:1px solid var(--line);background:var(--bg)}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:40px;margin-bottom:50px}
.foot-col h5{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--dim);margin-bottom:18px}
.foot-col a{display:block;color:var(--muted);text-decoration:none;font-size:.9rem;margin-bottom:10px;transition:color .2s}
.foot-col a:hover{color:var(--text)}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding-top:30px;border-top:1px solid var(--line);font-size:.82rem;color:var(--dim)}
.discretion{font-size:.84rem;color:var(--muted);max-width:340px;font-weight:300}

/* ---------------- Responsive ---------------- */
html,body{overflow-x:hidden;max-width:100%}
/* ---------------- Hero (full-bleed video) ---------------- */
.hero-full{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media video{width:100%;height:100%;object-fit:cover}
.hero-media .hero-fallback{position:absolute;inset:0;z-index:-1;background:linear-gradient(160deg,#0E1422,#070A12)}
/* readability scrim: darker on the left where the text sits, lighter on the right where the action is */
.hero-scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(7,10,18,.92) 0%,rgba(7,10,18,.78) 30%,rgba(7,10,18,.35) 55%,rgba(7,10,18,.15) 80%,rgba(7,10,18,.45) 100%),linear-gradient(to top,rgba(7,10,18,.85) 0%,transparent 35%)}
.hero-grid-overlay{position:absolute;inset:0;z-index:2;opacity:.18;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:72px 72px;pointer-events:none}
.hero-inner{position:relative;z-index:3;width:100%}
.hero-full .hero-copy{max-width:620px}
/* ---------------- Hero screen (legacy, kept for other pages) ---------------- */
.hero-wrap{max-width:1440px}
.hero-screen{position:relative;border:1px solid var(--line-bright);border-radius:14px;overflow:hidden;background:#0b1018;aspect-ratio:16/9;box-shadow:0 50px 120px rgba(0,0,0,.65),0 0 0 1px rgba(74,222,128,.04),0 0 60px rgba(74,222,128,.05)}
.hero-screen::after{content:"";position:absolute;inset:0;border-radius:14px;pointer-events:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.06),inset 0 0 50px rgba(0,0,0,.4)}
.hero-screen-bar{position:absolute;top:0;left:0;right:0;height:34px;z-index:2;display:flex;align-items:center;gap:9px;padding:0 16px;background:rgba(13,18,28,.92);border-bottom:1px solid var(--line);font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--dim);text-transform:uppercase}
.hero-screen-bar .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}
.hero-screen-bar .rec{margin-left:auto;color:var(--accent);letter-spacing:.12em}
.hero-screen video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;padding-top:34px}
@media(max-width:900px){
  :root{--pad:22px}
  header.site{z-index:60}
  body.nav-lock header.site{z-index:220}
  .burger{display:block;position:relative;z-index:230}
  nav.main{position:fixed;top:0;right:0;bottom:0;height:100dvh;width:82%;max-width:360px;background:var(--bg-soft);flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:22px;padding:90px 34px 40px;transform:translateX(100%);transition:transform .35s ease;border-left:1px solid var(--line);z-index:200;overflow-y:auto;-webkit-overflow-scrolling:touch}
  nav.main.open{transform:translateX(0)}
  nav.main a{font-size:17px}
  nav.main .lang{margin-top:8px;font-size:16px}
  nav.main .cta-nav{margin-top:10px}
  .burger{display:block}
  .nav-backdrop.show{display:block;position:fixed;inset:0;background:rgba(5,7,12,.6);z-index:150;backdrop-filter:blur(2px)}
  body.nav-lock{overflow:hidden}
  /* hero -> single column on mobile (overrides inline grid) */
  .hero-grid{grid-template-columns:1fr!important;gap:34px!important}
  .hero-video-frame,.hero-screen{order:-1;width:100%}
  .hero-copy h1{font-size:clamp(2rem,9vw,2.8rem)!important}
  /* full-bleed hero on mobile: scrim darkens bottom where text sits */
  .hero-full{min-height:88vh;align-items:flex-end;padding-bottom:48px}
  .hero-scrim{background:linear-gradient(to top,rgba(7,10,18,.95) 0%,rgba(7,10,18,.8) 28%,rgba(7,10,18,.4) 55%,rgba(7,10,18,.25) 100%)}
  .hero-full .hero-copy{max-width:100%}
  /* any inline two/three-column grid -> single column on mobile */
  .wrap [style*="grid-template-columns"]{grid-template-columns:1fr!important}
  .section [style*="grid-template-columns"]{grid-template-columns:1fr!important}
  /* keep media frames from overflowing */
  .demo-frame,.hero-video-frame,.hero-screen,.usecase-video,video,img{max-width:100%}
  /* use-case rows -> single column, video on top, full width */
  .usecase-row{grid-template-columns:1fr!important;gap:28px!important}
  .usecase-video{order:-1!important;width:100%}
}