/* ============================================================
   NAII — National A.I Infrastructure | Website (Dark edition)
   Stylesheet
   ------------------------------------------------------------
   Design tokens live in :root. Single responsive breakpoint at
   900px (see bottom). Fonts: Sora (headings) + Manrope
   (body), loaded from Google Fonts in index.html <head>.
   ============================================================ */

:root{
  --green:#8FD64A; --green-b:#A8E85F; --moss:#6FB537; --ink:#070A05; --panel:#0E140A;
  --panel2:#131B0D; --text:#E9EFE1; --mut:#9AA891; --dim:#6E7A64; --line:rgba(160,200,120,.14);
  --maxw:1200px; --glow:0 0 40px -6px rgba(143,214,74,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Manrope',-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--text);background:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:'Sora','Manrope',sans-serif;color:#fff;letter-spacing:-.01em}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-family:'Sora',sans-serif;font-size:12.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--green);display:inline-block}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:13px 26px;border-radius:4px;transition:.25s;cursor:pointer;border:1px solid transparent;letter-spacing:.01em}
.btn-p{background:var(--green);color:#0a1204;box-shadow:var(--glow)}
.btn-p:hover{background:var(--green-b);box-shadow:0 0 54px -4px rgba(143,214,74,.6)}
.btn-o{background:rgba(255,255,255,.03);color:#fff;border-color:rgba(160,200,120,.35)}
.btn-o:hover{border-color:var(--green);color:var(--green)}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(8,11,6,.55);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);transition:.3s}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:15px 28px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:11px;font-family:'Sora',sans-serif;font-weight:700;font-size:18px;color:#fff}
.brand .mark{width:40px;height:40px;border-radius:9px;background:#fff;display:flex;align-items:center;justify-content:center;padding:5px;overflow:hidden}
.brand .mark img{width:100%;height:100%;object-fit:contain;display:block}
.brand small{display:block;font-family:'Manrope';font-size:10px;font-weight:500;letter-spacing:.16em;color:var(--green);text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14px;font-weight:500;color:var(--mut);transition:.2s;letter-spacing:.02em}
.nav-links a:hover{color:var(--green)}
.nav-cta{padding:10px 20px;font-size:13.5px}
.burger{display:none}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0;filter:saturate(1.05) contrast(1.05);animation:heroKen 28s ease-in-out infinite alternate;will-change:transform}
.hero-bg::after{content:"";position:absolute;inset:0;background:
   linear-gradient(90deg,rgba(6,9,4,.95) 0%,rgba(6,9,4,.82) 34%,rgba(6,9,4,.45) 62%,rgba(6,9,4,.25) 100%),
   linear-gradient(0deg,rgba(6,9,4,.9) 0%,rgba(6,9,4,0) 40%)}
.hero-glow{position:absolute;z-index:1;width:640px;height:640px;right:-120px;top:8%;border-radius:50%;background:radial-gradient(circle,rgba(143,214,74,.22),transparent 62%);filter:blur(20px);animation:glowDrift 17s ease-in-out infinite alternate;will-change:transform,opacity}
.hero-glow2{position:absolute;z-index:1;width:520px;height:520px;left:-150px;bottom:-130px;border-radius:50%;background:radial-gradient(circle,rgba(111,181,55,.2),transparent 62%);filter:blur(26px);animation:glowDrift2 22s ease-in-out infinite alternate;will-change:transform,opacity}
#heroCanvas{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.95}
@keyframes heroKen{0%{transform:scale(1.1)}100%{transform:scale(1.26) translate(-2.4%,-1.6%)}}
@keyframes glowDrift{0%{transform:translate(0,0) scale(1);opacity:.95}100%{transform:translate(-120px,70px) scale(1.35);opacity:.5}}
@keyframes glowDrift2{0%{transform:translate(0,0) scale(1);opacity:.4}100%{transform:translate(110px,-60px) scale(1.3);opacity:.85}}
@media(prefers-reduced-motion:reduce){.hero-bg,.hero-glow,.hero-glow2{animation:none!important}}
.hero-in{position:relative;z-index:2;padding-top:96px;padding-bottom:60px}
.hero h1{font-size:clamp(40px,6.6vw,76px);line-height:1;font-weight:700;margin:20px 0 24px;max-width:15ch;background:linear-gradient(180deg,#ffffff,#cfe6b3);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{font-family:'Sora','Manrope',sans-serif;font-size:clamp(20px,2.8vw,32px);font-weight:600;color:var(--green);margin:-4px 0 20px;letter-spacing:-.01em}
.hero .lede{font-size:clamp(17px,2vw,20px);color:#c3cdb8;max-width:52ch;margin-bottom:36px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-note{margin-top:38px;font-size:12.5px;color:var(--green);font-weight:600;letter-spacing:.04em;display:flex;align-items:center;gap:9px;text-transform:uppercase}
.hero-note::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}
.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;color:var(--dim);font-size:11px;letter-spacing:.3em;text-transform:uppercase;animation:bob 2.2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,7px)}}

/* STATS */
.stats{background:linear-gradient(180deg,#0a0f06,#0e140a);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-in{max-width:var(--maxw);margin:0 auto;padding:46px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border:none}
.stat .n{font-family:'Sora';font-size:clamp(28px,3.4vw,42px);font-weight:700;color:#fff;line-height:1}
.stat .n span{color:var(--green)}
.stat .l{font-size:12px;color:var(--mut);margin-top:10px;letter-spacing:.03em;text-transform:uppercase}

/* SECTION base */
section.blk{padding:110px 0;position:relative}
.blk.alt{background:var(--panel)}
.sec-head h2{font-size:clamp(29px,4.2vw,46px);font-weight:700;margin:16px 0 18px;line-height:1.06}
.sec-head p.sub{font-size:18px;color:var(--mut);max-width:60ch}
.two{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.two.rev .media{order:2}
.media{border-radius:10px;overflow:hidden;position:relative;border:1px solid var(--line);box-shadow:0 30px 70px -30px rgba(0,0,0,.8)}
.media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;filter:saturate(1.05) contrast(1.04) brightness(.92)}
.media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,9,4,.5),transparent 55%);pointer-events:none}
.media .tag{position:absolute;left:16px;bottom:15px;z-index:2;background:rgba(8,11,6,.6);color:#dfe8d2;font-size:12px;font-weight:600;padding:7px 14px;border-radius:4px;backdrop-filter:blur(6px);border:1px solid var(--line)}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{background:rgba(143,214,74,.06);border:1px solid rgba(143,214,74,.3);color:var(--green);font-weight:600;font-size:13.5px;padding:9px 16px;border-radius:4px}

.phases{display:flex;flex-direction:column;gap:12px;margin-top:8px}
.phase{display:flex;gap:18px;align-items:flex-start;background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:8px;padding:20px 22px;transition:.25s}
.phase:hover{border-color:rgba(143,214,74,.4);background:rgba(143,214,74,.04)}
.phase .k{font-family:'Sora';font-weight:700;color:var(--green);font-size:14px;min-width:130px;letter-spacing:.02em}
.phase .v{font-size:14.5px;color:var(--mut)}

/* card grid */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:44px}
.cards.c4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:10px;padding:28px 26px 30px;transition:.28s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--green),transparent);opacity:0;transition:.28s}
.card:hover{transform:translateY(-5px);border-color:rgba(143,214,74,.4);background:linear-gradient(180deg,rgba(143,214,74,.06),rgba(255,255,255,.01))}
.card:hover::before{opacity:1}
.card .num{width:44px;height:44px;border-radius:9px;background:rgba(143,214,74,.1);border:1px solid rgba(143,214,74,.35);color:var(--green);font-family:'Sora';font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:18px}
.card h3{font-size:18.5px;font-weight:600;margin-bottom:9px;color:#fff}
.card p{font-size:14px;color:var(--mut)}
.media.banner img{aspect-ratio:16/6}

/* band image */
.band{position:relative;min-height:460px;display:flex;align-items:center;background-size:cover;background-position:center}
.band::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,9,4,.94),rgba(6,9,4,.6) 70%,rgba(6,9,4,.4)),linear-gradient(0deg,rgba(6,9,4,.7),transparent 60%)}
.band .wrap{position:relative;z-index:2}
.band .cards .card{background:rgba(8,11,6,.4);backdrop-filter:blur(6px)}

/* sectors */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:42px}
.sector{background:rgba(255,255,255,.02);border:1px solid var(--line);border-radius:8px;padding:22px 16px;text-align:center;font-weight:600;font-size:14px;color:var(--text);transition:.25s}
.sector:hover{border-color:var(--green);color:var(--green);background:rgba(143,214,74,.05);transform:translateY(-3px)}
.sector .ic{font-size:22px;display:block;margin-bottom:9px;filter:grayscale(.1)}

/* roadmap */
.road{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:48px}
.step{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.005));border:1px solid var(--line);border-radius:10px;padding:28px 22px;position:relative}
.step .dot{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--green),var(--moss));color:#0a1204;font-family:'Sora';font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:var(--glow)}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:13.5px;color:var(--mut)}

/* CTA */
.cta-band{position:relative;background-size:cover;background-position:center;padding:130px 0;text-align:center;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(6,9,4,.62),rgba(6,9,4,.9))}
.cta-band .wrap{position:relative;z-index:2}
.cta-band h2{font-size:clamp(32px,5vw,54px);margin-bottom:20px;background:linear-gradient(180deg,#fff,#cfe6b3);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.cta-band p{color:#c3cdb8;font-size:19px;max-width:56ch;margin:0 auto 34px}

/* footer */
footer{background:#070a05;color:var(--mut);padding:70px 0 36px;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid var(--line)}
.foot-grid h4{color:#fff;font-family:'Sora';font-size:13px;letter-spacing:.08em;margin-bottom:18px;text-transform:uppercase}
.foot-grid a{display:block;font-size:14px;margin-bottom:11px;color:var(--mut);transition:.2s}
.foot-grid a:hover{color:var(--green)}
.foot-brand{max-width:36ch;font-size:14px;line-height:1.75;color:var(--mut)}
.disclaimer{font-size:12px;color:var(--dim);margin-top:28px;line-height:1.75;max-width:92ch}
.foot-bot{padding-top:26px;font-size:12px;color:var(--dim);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

.reveal{opacity:0;transform:translateY(30px);transition:.8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .nav-links{position:fixed;inset:64px 0 auto 0;background:#0a0f06;flex-direction:column;align-items:flex-start;gap:0;padding:8px 28px 20px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;width:100%;border-bottom:1px solid var(--line)}
  .burger{display:block;background:none;border:none;font-size:26px;cursor:pointer;color:#fff}
  .two,.cards,.cards.c4,.sectors,.road,.stats-in,.foot-grid{grid-template-columns:1fr}
  .two.rev .media{order:0}
  .stats-in{grid-template-columns:1fr 1fr;gap:28px 12px}
  .stat{border-right:none}
  .sectors{grid-template-columns:1fr 1fr}
  section.blk{padding:72px 0}
  .phase .k{min-width:105px}
  .hero-glow{display:none}
}
