/* =====================================================================
   v4030 — Landing page styles (self-contained, lightweight)
   Fonts are self-hosted (woff2). Animations use only transform/opacity
   and are disabled under prefers-reduced-motion.
   ===================================================================== */

/* ----------------------------- Fonts ----------------------------- */
@font-face{
  font-family:'Vazirmatn';
  src:url('fonts/Vazirmatn.woff2') format('woff2');
  font-weight:100 900;            /* variable: one file, all weights */
  font-display:swap;
  font-style:normal;
}
@font-face{
  font-family:'Estedad';
  src:url('fonts/Estedad-700.woff2') format('woff2');
  font-weight:700; font-display:swap;
}
@font-face{
  font-family:'Estedad';
  src:url('fonts/Estedad-800.woff2') format('woff2');
  font-weight:800; font-display:swap;
}
@font-face{
  font-family:'Estedad';
  src:url('fonts/Estedad-900.woff2') format('woff2');
  font-weight:900; font-display:swap;
}

/* ----------------------------- Tokens ----------------------------- */
:root{
  --bg:#070b16;
  --bg2:#0b1224;
  --ink:#eaf1ff;
  --muted:#9db0d0;
  --muted2:#6b7ea0;
  --line:rgba(150,170,210,.14);
  --line2:rgba(150,170,210,.28);

  --blue:#3b82f6;
  --blue2:#2563eb;
  --cyan:#22d3ee;
  --emerald:#22c55e;
  --violet:#8b5cf6;
  --amber:#f59e0b;

  --glass:rgba(255,255,255,.045);
  --glass2:rgba(255,255,255,.07);

  --grad:linear-gradient(115deg,#22d3ee 0%, #3b82f6 42%, #8b5cf6 100%);
  --grad-soft:linear-gradient(115deg, rgba(34,211,238,.18), rgba(139,92,246,.18));

  --r-sm:12px; --r:18px; --r-lg:26px; --r-xl:34px;
  --maxw:1180px;
  --shadow:0 24px 70px rgba(2,6,20,.55);
  --glow:0 0 0 1px rgba(150,170,210,.10), 0 18px 50px rgba(37,99,235,.18);
}

/* ----------------------------- Base ----------------------------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Vazirmatn','Segoe UI',Tahoma,sans-serif;
  color:var(--ink);
  background:var(--bg);
  direction:rtl;
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
/* Sensible default so any inline icon never balloons; explicit px sizes below win. */
svg{width:1.05em;height:1.05em;flex:0 0 auto}
h1,h2,h3{font-family:'Estedad','Vazirmatn',sans-serif;line-height:1.3;margin:0;font-weight:800}
p{margin:0}
section{position:relative}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.gr{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

/* ----------------------- Ambient background ----------------------- */
/* Fixed, GPU-cheap aurora + grid behind everything. */
.bg-fx{position:fixed;inset:0;z-index:-2;overflow:hidden;pointer-events:none;background:
  radial-gradient(1200px 700px at 85% -8%, rgba(59,130,246,.16), transparent 60%),
  radial-gradient(1000px 600px at 5% 8%, rgba(139,92,246,.14), transparent 58%),
  radial-gradient(900px 700px at 50% 120%, rgba(34,197,94,.10), transparent 60%),
  var(--bg);
}
.bg-fx::before{ /* faint perspective grid */
  content:"";position:absolute;inset:-2px;
  background-image:
    linear-gradient(rgba(150,170,210,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(150,170,210,.05) 1px, transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(900px 600px at 70% 0%, #000 0%, transparent 75%);
          mask-image:radial-gradient(900px 600px at 70% 0%, #000 0%, transparent 75%);
}
.orb{position:fixed;z-index:-1;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;
  will-change:transform}
.orb.b1{width:420px;height:420px;top:-120px;right:-80px;background:radial-gradient(circle,#2563eb,transparent 70%);animation:float1 18s ease-in-out infinite}
.orb.b2{width:380px;height:380px;top:38%;left:-120px;background:radial-gradient(circle,#8b5cf6,transparent 70%);animation:float2 22s ease-in-out infinite}
.orb.b3{width:340px;height:340px;bottom:-120px;right:30%;background:radial-gradient(circle,#22d3ee,transparent 70%);opacity:.4;animation:float1 26s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,40px,0)}}
@keyframes float2{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(30px,-30px,0)}}

/* grain overlay (tiny inline svg, very light) */
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;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='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ------------------------------ Nav ------------------------------ */
.nav{position:sticky;top:0;z-index:50;transition:background .25s, border-color .25s, backdrop-filter .25s}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0}
.nav.scrolled{background:rgba(8,12,24,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:11px;font-weight:800}
.brand .mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:var(--grad);box-shadow:0 10px 26px rgba(59,130,246,.45);position:relative;overflow:hidden;
}
.brand .mark svg{width:22px;height:22px}
.brand .mark::after{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 30% 20%,rgba(255,255,255,.5),transparent 60%)}
.brand .word{font-family:'Estedad',sans-serif;font-size:21px;letter-spacing:.5px;font-weight:900}
.brand .word b{font-weight:900}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{color:var(--muted);padding:9px 14px;border-radius:10px;font-size:15px;transition:color .18s,background .18s}
.nav-links a:hover{color:#fff;background:var(--glass)}
.nav-cta{display:flex;gap:10px;align-items:center}
/* On desktop the wrapper is transparent (its children are direct flex items of
   .nav-in, so the original layout is untouched). It becomes a real dropdown
   panel only on mobile (see the responsive block below). */
.nav-menu{display:contents}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;padding:0;
  border:1px solid var(--line2);border-radius:12px;background:var(--glass);color:var(--ink);
  cursor:pointer;flex-shrink:0;-webkit-tap-highlight-color:transparent}
.nav-toggle:hover{background:var(--glass2)}
.nav-toggle svg{width:24px;height:24px}
/* Exactly ONE icon at a time: ☰ by default, swapped to ✕ while the menu is open. */
.nav-toggle .ham-open,
.nav-toggle .ham-close{display:grid;place-items:center;pointer-events:none}
.nav-toggle .ham-close{display:none}
.nav.open .nav-toggle .ham-open{display:none}
.nav.open .nav-toggle .ham-close{display:grid}

/* ----------------------------- Buttons ----------------------------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;cursor:pointer;font-family:inherit;
  font-size:15px;font-weight:700;padding:12px 22px;border-radius:13px;transition:transform .14s,box-shadow .18s,filter .18s,background .18s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn svg{width:1.2em;height:1.2em}
.btn-primary{color:#fff;background:linear-gradient(120deg,#22d3ee,#3b82f6 55%,#6d5cf6);
  box-shadow:0 12px 30px rgba(37,99,235,.45), inset 0 1px 0 rgba(255,255,255,.25)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.07);box-shadow:0 18px 42px rgba(37,99,235,.55)}
.btn-ghost{color:var(--ink);background:var(--glass);border:1px solid var(--line2)}
.btn-ghost:hover{background:var(--glass2);transform:translateY(-2px)}
.btn-lg{padding:15px 30px;font-size:16.5px;border-radius:15px}
.btn-block{width:100%;justify-content:center}
.btn .ar{transition:transform .18s}
.btn:hover .ar{transform:translateX(-4px)}

/* ----------------------------- Hero ----------------------------- */
.hero{padding:54px 0 40px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 14px;border-radius:30px;
  background:var(--glass);border:1px solid var(--line2);font-size:13.5px;color:var(--muted);font-weight:600}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 4px rgba(34,197,94,.18);
  animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(34,197,94,.20)}50%{box-shadow:0 0 0 8px rgba(34,197,94,0)}}
.hero h1{font-size:clamp(36px,5.4vw,64px);font-weight:900;letter-spacing:-.5px;margin:20px 0 0}
.hero h1 .gr{display:inline-block}
.hero .lead{font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:560px;margin:20px 0 0;line-height:2}
.hero .lead b{color:var(--ink);font-weight:700}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:22px;margin-top:30px;flex-wrap:wrap;color:var(--muted);font-size:14px}
.hero-trust .t{display:flex;align-items:center;gap:8px}
.hero-trust svg{width:18px;height:18px;color:var(--emerald);flex-shrink:0}

/* Hero visual: glowing core + ring + floating glass cards */
.visual{position:relative;height:440px;display:grid;place-items:center}
.core{position:relative;width:230px;height:230px;border-radius:30px;
  background:linear-gradient(150deg,#0e1730,#0a1024);border:1px solid var(--line2);
  display:grid;place-items:center;box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.06)}
.core::before{content:"";position:absolute;inset:-2px;border-radius:32px;padding:2px;
  background:conic-gradient(from 0deg,#22d3ee,#3b82f6,#8b5cf6,#22d3ee);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.9;animation:spin 8s linear infinite}
.core .chip{width:96px;height:96px;border-radius:22px;background:var(--grad);display:grid;place-items:center;
  box-shadow:0 16px 40px rgba(59,130,246,.5);position:relative;animation:bob 5s ease-in-out infinite}
.core .chip svg{width:50px;height:50px;color:#fff}
.core .chip::after{content:"";position:absolute;inset:0;border-radius:22px;background:radial-gradient(60% 60% at 30% 20%,rgba(255,255,255,.45),transparent 55%)}
.ring{position:absolute;border-radius:50%;border:1px dashed rgba(150,170,210,.22);animation:spin 26s linear infinite}
.ring.r1{width:330px;height:330px}
.ring.r2{width:420px;height:420px;animation-duration:40s;animation-direction:reverse;border-style:solid;border-color:rgba(150,170,210,.10)}
.ring .sat{position:absolute;top:-7px;left:50%;width:14px;height:14px;border-radius:50%;margin-left:-7px;
  background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
.ring.r2 .sat{background:var(--violet);box-shadow:0 0 16px var(--violet)}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

.fcard{position:absolute;background:rgba(13,20,38,.72);backdrop-filter:blur(10px);
  border:1px solid var(--line2);border-radius:16px;padding:12px 15px;box-shadow:var(--glow);
  display:flex;align-items:center;gap:11px;font-size:13.5px;will-change:transform}
.fcard .ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}
.fcard .ic svg{width:18px;height:18px}
.fcard .k{color:var(--muted);font-size:11.5px}
.fcard .v{font-weight:800;font-family:'Estedad',sans-serif;font-size:15px}
.fcard.f1{top:24px;right:-6px;animation:bob 6s ease-in-out infinite}
.fcard.f2{bottom:54px;left:-14px;animation:bob 7s ease-in-out infinite .6s}
.fcard.f3{bottom:6px;right:34px;animation:bob 6.5s ease-in-out infinite 1.1s}
.ic.cyan{background:rgba(34,211,238,.15);color:var(--cyan)}
.ic.green{background:rgba(34,197,94,.15);color:var(--emerald)}
.ic.violet{background:rgba(139,92,246,.16);color:var(--violet)}
.ic.blue{background:rgba(59,130,246,.16);color:#7cb0ff}
.ic.amber{background:rgba(245,158,11,.16);color:var(--amber)}

/* ----------------------------- Marquee ----------------------------- */
.marquee{margin-top:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:18px 0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:46px;width:max-content;animation:marq 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee .m{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:15px;white-space:nowrap;font-weight:600}
.marquee .m svg{width:20px;height:20px;color:var(--cyan)}
@keyframes marq{to{transform:translateX(50%)}} /* RTL: positive shifts left-content in */

/* ----------------------------- Sections ----------------------------- */
.sec{padding:84px 0}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.tag{display:inline-block;font-size:13.5px;font-weight:700;color:var(--cyan);
  background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.25);padding:5px 14px;border-radius:30px;margin-bottom:16px}
.sec-head h2{font-size:clamp(27px,3.6vw,40px);font-weight:900}
.sec-head p{color:var(--muted);margin-top:14px;font-size:17px}

/* Stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{position:relative;text-align:center;padding:30px 18px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);overflow:hidden}
.stat::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:0;transition:opacity .3s}
.stat:hover::before{opacity:1}
.stat .num{font-family:'Estedad',sans-serif;font-weight:900;font-size:clamp(30px,4vw,46px);
  line-height:1;position:relative}
.stat .num .gr{display:inline-block}
.stat .lbl{color:var(--muted);margin-top:10px;font-size:14.5px;position:relative}

/* Features grid */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature{position:relative;padding:28px;border-radius:var(--r-lg);background:var(--glass);
  border:1px solid var(--line);transition:transform .2s, border-color .2s, background .2s;overflow:hidden}
.feature::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;opacity:0;transition:opacity .25s;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude}
.feature:hover{transform:translateY(-6px);background:var(--glass2)}
.feature:hover::after{opacity:.9}
.feature .fi{width:52px;height:52px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--grad-soft);border:1px solid var(--line2)}
.feature .fi svg{width:26px;height:26px;color:#bcd6ff}
.feature h3{font-size:19px;font-weight:800}
.feature p{color:var(--muted);margin-top:10px;font-size:15px}

/* Heritage / why us */
.heritage{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.heritage .copy h2{font-size:clamp(26px,3.4vw,38px);font-weight:900}
.heritage .copy .lead{color:var(--muted);margin-top:18px;font-size:16.5px;line-height:2.1}
.heritage .copy .lead b{color:var(--ink)}
.timeline{display:flex;flex-direction:column;gap:16px;margin-top:26px}
.tl{display:flex;gap:16px;align-items:flex-start}
.tl .yr{flex-shrink:0;font-family:'Estedad',sans-serif;font-weight:900;font-size:17px;
  width:74px;text-align:center;padding:8px 0;border-radius:12px;background:var(--glass);border:1px solid var(--line2)}
.tl .txt b{display:block;font-weight:800;margin-bottom:2px}
.tl .txt span{color:var(--muted);font-size:14.5px}

.pillars{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pillar{padding:22px;border-radius:var(--r);background:linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);position:relative;overflow:hidden}
.pillar .pi{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:14px}
.pillar .pi svg{width:24px;height:24px}
.pillar h4{margin:0;font-size:16.5px;font-weight:800;font-family:'Estedad',sans-serif}
.pillar p{color:var(--muted);font-size:14px;margin-top:7px}
.pillar.big{grid-column:1 / -1;display:flex;align-items:center;gap:20px;background:var(--grad-soft)}
.pillar.big .pi{margin:0;background:var(--grad);box-shadow:0 12px 30px rgba(59,130,246,.4)}
.pillar.big .pi svg{color:#fff}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step}
.step{position:relative;padding:30px 26px;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--line)}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:18px;left:22px;
  font-family:'Estedad',sans-serif;font-weight:900;font-size:46px;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;opacity:.5}
.step .si{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:var(--grad-soft);border:1px solid var(--line2)}
.step .si svg{width:25px;height:25px;color:#bcd6ff}
.step h3{font-size:18px;font-weight:800}
.step p{color:var(--muted);margin-top:9px;font-size:14.5px}
.step .conn{position:absolute;top:50%;left:-10px;width:20px;height:2px;background:var(--line2)}

/* pay-as-you-go highlight */
.payg{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;
  padding:44px;border-radius:var(--r-xl);background:linear-gradient(140deg,rgba(34,211,238,.10),rgba(139,92,246,.10));
  border:1px solid var(--line2);overflow:hidden;position:relative}
.payg h2{font-size:clamp(24px,3vw,34px);font-weight:900}
.payg p{color:var(--muted);margin-top:14px;font-size:16px;line-height:2}
.payg .chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.payg .chip2{padding:8px 15px;border-radius:30px;background:var(--glass2);border:1px solid var(--line2);font-size:14px;font-weight:600}
.meter{background:rgba(7,11,22,.55);border:1px solid var(--line2);border-radius:var(--r-lg);padding:24px}
.meter .row{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.meter .row:last-child{margin-bottom:0}
.meter .k{color:var(--muted);font-size:14px}
.meter .v{font-family:'Estedad',sans-serif;font-weight:800;font-size:16px}
.meter .bar{height:9px;border-radius:8px;background:rgba(150,170,210,.14);overflow:hidden;margin-top:8px}
.meter .bar i{display:block;height:100%;border-radius:8px;background:var(--grad)}
.meter .total{border-top:1px solid var(--line);margin-top:16px;padding-top:16px}
.meter .total .v{font-size:22px}

/* FAQ */
.faq{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--glass);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .2s}
.faq details[open]{border-color:var(--line2);background:var(--glass2)}
.faq summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:700;font-size:16.5px;
  display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--glass2);border:1px solid var(--line2);transition:transform .25s;font-size:18px;line-height:1}
.faq summary .pm svg{width:15px;height:15px}
.faq details[open] summary .pm{transform:rotate(45deg);color:var(--cyan)}
.faq .ans{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:2}

/* Final CTA */
.cta{position:relative;border-radius:var(--r-xl);padding:60px 40px;text-align:center;overflow:hidden;
  background:linear-gradient(135deg,#0f1b3d,#0a1226);border:1px solid var(--line2)}
.cta::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 50% -20%, rgba(59,130,246,.35), transparent 60%),
  radial-gradient(500px 300px at 80% 120%, rgba(139,92,246,.3), transparent 60%)}
.cta>*{position:relative}
.cta h2{font-size:clamp(26px,3.6vw,42px);font-weight:900}
.cta p{color:var(--muted);margin:16px auto 0;max-width:560px;font-size:17px}
.cta .hero-cta{justify-content:center}

/* Footer */
.footer{border-top:1px solid var(--line);margin-top:80px;padding:54px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.footer .brand{margin-bottom:14px}
.footer .desc{color:var(--muted);font-size:14.5px;max-width:320px}
.foot-col h5{font-size:14px;color:var(--ink);margin:0 0 14px;font-family:'Estedad',sans-serif;font-weight:800}
.foot-col a{display:block;color:var(--muted);font-size:14.5px;padding:5px 0;transition:color .15s}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid var(--line);margin-top:40px;padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted2);font-size:13.5px}

/* ---------------------- Scroll reveal ---------------------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.4s}

/* ----------------------------- Responsive ----------------------------- */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .visual{height:380px;margin-top:10px}
  .heritage{grid-template-columns:1fr;gap:34px}
  .features,.stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .payg{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}

  /* Mobile navigation: hamburger + slide-down panel holding links + CTAs. */
  .nav-toggle{display:inline-flex}
  /* While the panel is open, the bar itself gets the same opaque backdrop so it
     doesn't float transparently above the panel at the top of the page. */
  .nav.open{background:rgba(8,12,24,.97);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line)}
  .nav-menu{
    display:flex;flex-direction:column;align-items:stretch;gap:14px;
    position:absolute;top:100%;left:0;right:0;
    background:rgba(8,12,24,.97);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line2);box-shadow:0 24px 50px rgba(2,6,20,.6);
    padding:16px 22px 22px;
    opacity:0;visibility:hidden;transform:translateY(-12px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s}
  .nav.open .nav-menu{opacity:1;visibility:visible;transform:none}
  .nav-menu .nav-links{flex-direction:column;align-items:stretch;gap:4px;width:100%}
  .nav-menu .nav-links a{padding:13px 14px;font-size:16px;border-radius:11px}
  .nav-menu .nav-cta{width:100%;gap:10px;margin-top:4px}
  .nav-menu .nav-cta .btn{flex:1 1 0;justify-content:center;padding:13px 18px}
}
@media(max-width:620px){
  body{font-size:15px}
  .wrap{padding:0 16px}
  .sec{padding:58px 0}
  .hero{padding:34px 0 26px}
  .features,.stats{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .pillar.big{flex-direction:column;text-align:center;align-items:center}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .hero-cta{gap:10px}
  .hero-cta .btn,.cta .btn{flex:1 1 auto;justify-content:center}
  .sec-head{margin-bottom:38px}
  .feature{padding:22px}
  .payg{padding:26px 20px}
  .cta{padding:44px 22px}
  .brand .mark{width:36px;height:36px}
  .brand .word{font-size:19px}
  .visual{height:320px}
  .core{width:190px;height:190px}
  .ring.r1{width:270px;height:270px}.ring.r2{width:330px;height:330px}
  .fcard{font-size:12px;padding:9px 11px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px;text-align:start}
}
@media(max-width:420px){
  .hero h1{font-size:31px}
  .btn-lg{padding:13px 22px;font-size:15.5px}
  .visual{height:280px}
  .core{width:164px;height:164px}
  .core .chip{width:80px;height:80px}.core .chip svg{width:42px;height:42px}
  .ring.r1{width:236px;height:236px}.ring.r2{width:290px;height:290px}
  .fcard .k{font-size:11px}.fcard .v{font-size:13.5px}
  .fcard.f1{right:-2px}.fcard.f2{left:-4px}
  .tl .yr{width:64px;font-size:15px}
  .cta{padding:38px 18px}
}

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