/* Minimal, optimized CSS for landing page */
:root{--bg:#f6f8fb;--surface:#fff;--text:#0b1220;--muted:#6b7280;--accent:#2563eb;--accent-2:#7c3aed;--radius:12px;--shadow:0 18px 40px rgba(11,18,32,0.06)}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
.cont{max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{position:sticky;top:0;background:rgba(255,255,255,0.9);backdrop-filter:saturate(180%) blur(6px);border-bottom:1px solid rgba(11,18,32,0.04);z-index:40;transition:all 220ms ease}
.header-inner{display:flex;align-items:center;gap:18px;padding:14px 0;transition:padding 220ms ease}
.brand .logo{width:60px;transition:width 220ms ease}

/* Shrunk header */
.site-header.shrink{background:rgba(255,255,255,0.96);box-shadow:0 6px 18px rgba(11,18,32,0.04)}
.site-header.shrink .header-inner{padding:8px 0}
.site-header.shrink .brand .logo{width:44px}
.site-nav{flex:1}
.nav-links{display:flex;gap:12px;align-items:center;justify-content:center;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--text);font-weight:600;padding:8px 12px;border-radius:8px}
.nav-links a:hover{background:rgba(37,99,235,0.06);color:var(--accent)}
.actions{display:flex;align-items:center;gap:12px}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;text-decoration:none}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff}
.btn.ghost{background:transparent;border:1px solid rgba(11,18,32,0.06)}
.nav-toggle{display:none;border:0;background:transparent;padding:8px}
.nav-toggle span{display:block;width:20px;height:2px;background:#111;margin:4px 0}

/* Mobile nav open state */
.site-nav.open{position:absolute;right:20px;top:72px;background:var(--surface);padding:16px;border-radius:10px;box-shadow:var(--shadow);z-index:50}
.site-nav.open .nav-links{flex-direction:column;align-items:flex-start}
.nav-toggle.open span{background:var(--accent)}

/* Hero */
.hero{padding:64px 0}
.hero-inner{display:flex;align-items:center;gap:36px}
.hero-copy{flex:1}
.eyebrow{display:inline-block;color:var(--accent);font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.hero h1{font-size:clamp(28px,5vw,56px);margin:12px 0}
.hero p{color:var(--muted);max-width:680px}
.hero-cta{margin-top:18px;display:flex;gap:12px}
.hero-media{flex:0 0 420px}
.hero-media img{width:100%;border-radius:16px;box-shadow:var(--shadow)}

/* Sections */
.section{padding:56px 0}
.bg-light{background:linear-gradient(180deg,#fbfbff,#fff)}
.section-heading{text-align:center;margin-bottom:28px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);padding:20px;border-radius:12px;box-shadow:var(--shadow);text-align:center}
.card img{width:56px;margin-bottom:8px}
.legacy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.legacy img{width:100%;height:160px;object-fit:cover;border-radius:8px}
.next-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.product img{width:100%;height:220px;object-fit:cover;border-radius:8px}
.inside-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:18px}
.content-card img{width:100%;height:180px;object-fit:cover}

.join-card{display:flex;gap:18px;align-items:center;padding:20px;border-radius:12px}
.join-content h2{margin:0 0 10px}

/* Footer */
.site-footer{padding:36px 0;background:#0b1220;color:#ffffff}
.footer-inner{display:flex;align-items:flex-start;gap:20px;justify-content:space-between}
.footer-brand img{width:140px;filter:brightness(0) invert(1)}
.footer-links{display:flex;gap:48px}
.footer-links a{display:block;color:rgba(255,255,255,0.85);margin-bottom:6px}
.footer-column h4{color:rgba(255,255,255,0.95);margin-bottom:8px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:12px;margin-top:18px;border-top:1px solid rgba(255,255,255,0.06);color:rgba(255,255,255,0.7)}
.social-icons img{filter:brightness(0) invert(1);opacity:0.9}

/* Responsive */
@media(max-width:1000px){.feature-grid{grid-template-columns:repeat(2,1fr)}.legacy-grid{grid-template-columns:repeat(2,1fr)}.inside-grid{grid-template-columns:1fr}.next-grid{grid-template-columns:1fr}.hero-media{display:none}}
@media(max-width:640px){.nav-links{display:none}.nav-toggle{display:block}.hero-inner{flex-direction:column}.join-card{flex-direction:column}.footer-inner{flex-direction:column}}