/* ══════════════════ VoltageAI Shared Styles ══════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --violet: #7c3aed; --blue: #2563eb;
  --grad: linear-gradient(135deg, #7c3aed, #4f46e5, #2563eb);
  --grad2: linear-gradient(135deg, #7c3aed 0%, #2563eb 100%);
  --zinc-950: #09090b; --zinc-900: #18181b; --zinc-800: #27272a;
  --zinc-700: #3f3f46; --zinc-500: #71717a; --zinc-400: #a1a1aa;
  --zinc-300: #d4d4d8; --zinc-100: #f4f4f5;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--zinc-950); color: white; line-height: 1.6; overflow-x: hidden; }

/* ── UTILITIES ── */
.grad-text { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.grad-btn { background: var(--grad2); color: white; border: none; cursor: pointer; transition: opacity .2s, transform .2s, box-shadow .2s; }
.grad-btn:hover { opacity: .9; transform: translateY(-1px); box-shadow: 0 8px 30px rgba(124,58,237,.35); }
.ghost-btn { background: transparent; color: var(--zinc-300); border: 1px solid var(--zinc-700); cursor: pointer; transition: all .2s; }
.ghost-btn:hover { border-color: var(--zinc-500); color: white; }
.card { background: var(--zinc-900); border: 1px solid var(--zinc-800); border-radius: 1.25rem; transition: border-color .2s, transform .2s, box-shadow .2s; }
.card:hover { border-color: var(--zinc-700); transform: translateY(-3px); box-shadow: 0 20px 60px rgba(0,0,0,.4); }
.container { max-width: 1180px; margin: 0 auto; }
section { padding: 5rem 1.5rem; }

/* ── NAVBAR ── */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: .9rem 1.5rem; background: rgba(9,9,11,.95); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(255,255,255,.06); }
.nav-inner { max-width: 1180px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.nav-logo img { height: 36px; width: auto; }
.nav-logo-text { font-size: 1.2rem; font-weight: 800; letter-spacing: -.02em; }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { color: var(--zinc-400); text-decoration: none; font-size: .9rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: white; }
.nav-cta { padding: .55rem 1.2rem; border-radius: .6rem; font-size: .875rem; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: .5rem; }
.hamburger span { display: block; width: 22px; height: 2px; background: white; margin: 4px 0; border-radius: 2px; transition: all .3s; }

/* ── PAGE HERO ── */
.page-hero { padding: 9rem 1.5rem 4rem; position: relative; overflow: hidden; }
.hero-glow { position: absolute; pointer-events: none; border-radius: 50%; filter: blur(120px); }
.glow-1 { width: 600px; height: 600px; top: -150px; left: 30%; background: rgba(124,58,237,.12); }
.glow-2 { width: 400px; height: 400px; bottom: -80px; right: -50px; background: rgba(37,99,235,.08); }
.page-hero .container { position: relative; z-index: 1; }
.hero-badge { display: inline-flex; align-items: center; gap: .5rem; padding: .35rem .9rem; border-radius: 100px; background: rgba(124,58,237,.12); border: 1px solid rgba(124,58,237,.3); font-size: .8rem; font-weight: 600; color: #c4b5fd; margin-bottom: 1.5rem; }
.hero-badge::before { content: ''; width: 7px; height: 7px; background: #a78bfa; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.5; transform:scale(1.4); } }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 900; letter-spacing: -.03em; line-height: 1.1; margin-bottom: 1.25rem; }
.page-hero .hero-sub { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--zinc-400); line-height: 1.7; max-width: 640px; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-lg { padding: .85rem 2rem; border-radius: .75rem; font-size: 1rem; font-weight: 700; text-decoration: none; display: inline-flex; align-items: center; gap: .5rem; }

/* ── HERO IMAGE ── */
.hero-split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.hero-image { border-radius: 1.25rem; overflow: hidden; border: 1px solid var(--zinc-800); }
.hero-image img { width: 100%; height: 350px; object-fit: cover; display: block; }

/* ── SECTION HEADERS ── */
.section-label { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: #a78bfa; margin-bottom: .75rem; }
.section-title { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 900; letter-spacing: -.03em; line-height: 1.15; margin-bottom: 1rem; }
.section-sub { font-size: 1rem; color: var(--zinc-500); max-width: 600px; line-height: 1.7; margin-bottom: 3rem; }

/* ── FEATURES GRID ── */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feature-card { padding: 2rem; }
.feature-icon { width: 52px; height: 52px; border-radius: .875rem; margin-bottom: 1.25rem; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; }
.feature-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; }
.feature-card p { font-size: .9rem; color: var(--zinc-400); line-height: 1.7; }
.feature-link { display: inline-flex; align-items: center; gap: .3rem; color: #a78bfa; font-size: .85rem; font-weight: 600; text-decoration: none; margin-top: .75rem; transition: gap .2s; }
.feature-link:hover { gap: .6rem; }

/* ── BENEFITS ── */
.benefits-section { background: linear-gradient(180deg, var(--zinc-950) 0%, rgba(124,58,237,.04) 50%, var(--zinc-950) 100%); }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.benefit-item { display: flex; gap: 1rem; align-items: flex-start; }
.benefit-check { width: 32px; height: 32px; border-radius: 50%; background: rgba(124,58,237,.15); border: 1px solid rgba(124,58,237,.3); display: flex; align-items: center; justify-content: center; font-size: .9rem; flex-shrink: 0; margin-top: .2rem; color: #a78bfa; }
.benefit-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: .3rem; }
.benefit-item p { font-size: .875rem; color: var(--zinc-400); line-height: 1.6; }

/* ── IMAGE SECTION ── */
.img-text-section { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.img-text-section.reverse { direction: rtl; }
.img-text-section.reverse > * { direction: ltr; }
.section-img { border-radius: 1.25rem; overflow: hidden; border: 1px solid var(--zinc-800); }
.section-img img { width: 100%; height: 320px; object-fit: cover; display: block; }

/* ── CTA ── */
.cta-section { text-align: center; padding: 5rem 1.5rem; }
.cta-box { background: var(--zinc-900); border: 1px solid var(--zinc-800); border-radius: 1.5rem; padding: 4rem 2rem; max-width: 700px; margin: 0 auto; }
.cta-box h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 900; margin-bottom: 1rem; }
.cta-box p { color: var(--zinc-400); font-size: 1rem; line-height: 1.7; margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ── BIG FOOTER ── */
.site-footer { border-top: 1px solid var(--zinc-800); padding: 4rem 1.5rem 2rem; }
.footer-grid { max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.3fr; gap: 3rem; }
.footer-col h4 { font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: white; margin-bottom: 1.25rem; }
.footer-col a { display: block; color: var(--zinc-500); text-decoration: none; font-size: .875rem; margin-bottom: .6rem; transition: color .2s; }
.footer-col a:hover { color: white; }
.footer-col p { color: var(--zinc-500); font-size: .875rem; line-height: 1.6; }
.footer-brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; margin-bottom: 1rem; }
.footer-brand img { height: 30px; width: auto; }
.footer-brand span { font-size: 1.1rem; font-weight: 800; }
.footer-contact-item { display: flex; align-items: center; gap: .6rem; margin-bottom: .6rem; color: var(--zinc-500); font-size: .875rem; }
.footer-status { display: flex; align-items: center; gap: .5rem; margin-top: 1rem; padding: .75rem 1rem; background: var(--zinc-900); border: 1px solid var(--zinc-800); border-radius: .75rem; }
.footer-status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--zinc-500); }
.footer-status-text { font-size: .8rem; color: var(--zinc-400); }
.footer-status-text strong { color: var(--zinc-300); display: block; font-size: .82rem; }
.footer-bottom { max-width: 1180px; margin: 2.5rem auto 0; padding-top: 2rem; border-top: 1px solid var(--zinc-800); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom span { font-size: .82rem; color: var(--zinc-700); }
.footer-bottom-links { display: flex; gap: 2rem; }
.footer-bottom-links a { color: var(--zinc-600); text-decoration: none; font-size: .82rem; transition: color .2s; }
.footer-bottom-links a:hover { color: var(--zinc-300); }

/* ── SCROLL ANIMATIONS ── */
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up:nth-child(2) { transition-delay: .1s; }
.fade-up:nth-child(3) { transition-delay: .2s; }
.fade-up:nth-child(4) { transition-delay: .3s; }

/* ── MOBILE ── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .nav-links.open { display: flex; flex-direction: column; position: fixed; top: 60px; left: 0; right: 0; background: var(--zinc-900); border-bottom: 1px solid var(--zinc-800); padding: 1.5rem; gap: 1.25rem; }
  .features-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .hero-split { grid-template-columns: 1fr; gap: 2rem; }
  .img-text-section { grid-template-columns: 1fr; gap: 2rem; }
  .img-text-section.reverse { direction: ltr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .page-hero h1 { font-size: 2rem; }
  .features-grid { grid-template-columns: 1fr; }
}
