* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --cyan: #00BFFF;
  --dark: #050a12;
  --dark2: #0a1220;
  --dark3: #0f1928;
  --text: #e2e8f0;
  --muted: #8899aa;
  --border: rgba(0,191,255,0.15);
}

body { font-family: 'Inter', -apple-system, sans-serif; background: var(--dark); color: var(--text); line-height: 1.6; }

a { color: inherit; text-decoration: none; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 68px;
  background: rgba(5,10,18,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo img { height: 36px; }
.nav-logo span { font-size: 1.3rem; font-weight: 700; color: var(--cyan); letter-spacing: -0.5px; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a { font-size: 0.9rem; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.lang-switcher { font-size: 0.85rem; color: var(--muted); }
.lang-switcher a { color: var(--cyan); }
.btn-nav { background: var(--cyan); color: #000; font-weight: 600; padding: 0.5rem 1.2rem; border-radius: 6px; font-size: 0.85rem; transition: opacity 0.2s; }
.btn-nav:hover { opacity: 0.85; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; }
.mobile-menu { display: none; position: fixed; top: 68px; left: 0; right: 0; background: var(--dark2); padding: 2rem 5%; border-bottom: 1px solid var(--border); z-index: 99; }
.mobile-menu a { display: block; padding: 0.75rem 0; color: var(--text); border-bottom: 1px solid var(--border); font-size: 1rem; }
.mobile-menu.open { display: block; }

/* HERO */
.hero { padding: 140px 5% 100px; text-align: center; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%); width: 800px; height: 800px; background: radial-gradient(circle, rgba(0,191,255,0.08) 0%, transparent 70%); pointer-events: none; }
.hero-badge { display: inline-block; background: rgba(0,191,255,0.1); border: 1px solid var(--border); color: var(--cyan); font-size: 0.78rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; padding: 0.4rem 1rem; border-radius: 20px; margin-bottom: 1.5rem; }
.hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; line-height: 1.1; letter-spacing: -1.5px; max-width: 800px; margin: 0 auto 1.5rem; }
.hero h1 span { color: var(--cyan); }
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 560px; margin: 0 auto 2.5rem; }
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary { background: var(--cyan); color: #000; font-weight: 700; padding: 0.85rem 2rem; border-radius: 8px; font-size: 1rem; transition: opacity 0.2s; }
.btn-primary:hover { opacity: 0.85; }
.btn-secondary { border: 1px solid var(--border); color: var(--text); padding: 0.85rem 2rem; border-radius: 8px; font-size: 1rem; transition: all 0.2s; }
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); }

/* SECTIONS */
section { padding: 80px 5%; }
.section-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--cyan); margin-bottom: 0.8rem; }
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; letter-spacing: -0.5px; margin-bottom: 1rem; }
.section-sub { color: var(--muted); font-size: 1.05rem; max-width: 560px; }
.section-header { margin-bottom: 3.5rem; }
.centered { text-align: center; }
.centered .section-sub { margin: 0 auto; }

/* FEATURES GRID */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.feature-card { background: var(--dark2); border: 1px solid var(--border); border-radius: 12px; padding: 1.8rem; transition: border-color 0.2s; }
.feature-card:hover { border-color: rgba(0,191,255,0.4); }
.feature-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature-card p { color: var(--muted); font-size: 0.9rem; }

/* PRICING */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
.price-card { background: var(--dark2); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; }
.price-card.featured { border-color: var(--cyan); background: rgba(0,191,255,0.04); position: relative; }
.price-card.featured::before { content: 'Most Popular'; position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--cyan); color: #000; font-size: 0.72rem; font-weight: 700; padding: 0.25rem 0.9rem; border-radius: 20px; }
.price-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--cyan); margin-bottom: 0.5rem; }
.price-name { font-size: 1.2rem; font-weight: 700; margin-bottom: 1rem; }
.price-amount { font-size: 2.8rem; font-weight: 800; letter-spacing: -1px; margin-bottom: 0.25rem; }
.price-amount span { font-size: 1.1rem; font-weight: 400; color: var(--muted); }
.price-period { color: var(--muted); font-size: 0.85rem; margin-bottom: 1.5rem; }
.price-features { list-style: none; margin-bottom: 2rem; }
.price-features li { padding: 0.5rem 0; color: var(--muted); font-size: 0.9rem; border-bottom: 1px solid var(--border); display: flex; gap: 0.5rem; }
.price-features li::before { content: '✓'; color: var(--cyan); font-weight: 700; flex-shrink: 0; }
.btn-demo { display: block; text-align: center; background: var(--cyan); color: #000; font-weight: 700; padding: 0.85rem; border-radius: 8px; transition: opacity 0.2s; }
.btn-demo:hover { opacity: 0.85; }
.btn-demo-outline { display: block; text-align: center; border: 1px solid var(--border); color: var(--text); padding: 0.85rem; border-radius: 8px; transition: all 0.2s; }
.btn-demo-outline:hover { border-color: var(--cyan); color: var(--cyan); }

/* PRODUCTS STRIP */
.products-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.product-card { background: var(--dark2); border: 1px solid var(--border); border-radius: 12px; padding: 1.8rem; transition: border-color 0.2s; }
.product-card:hover { border-color: rgba(0,191,255,0.4); }
.product-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--cyan); }
.product-card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 1rem; }
.product-link { font-size: 0.85rem; color: var(--cyan); font-weight: 600; }

/* FOOTER */
footer { background: var(--dark2); border-top: 1px solid var(--border); padding: 3rem 5% 2rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; margin-bottom: 2.5rem; }
.footer-brand p { color: var(--muted); font-size: 0.9rem; margin-top: 0.75rem; max-width: 280px; }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 1px; }
.footer-col a { display: block; color: var(--muted); font-size: 0.9rem; margin-bottom: 0.5rem; transition: color 0.2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 1.5rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { color: var(--muted); font-size: 0.85rem; }
.footer-legal { display: flex; gap: 1.5rem; }
.footer-legal a { color: var(--muted); font-size: 0.85rem; transition: color 0.2s; }
.footer-legal a:hover { color: var(--text); }

/* INNER PAGE HERO */
.page-hero { padding: 130px 5% 60px; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; letter-spacing: -1px; margin-bottom: 1rem; }
.page-hero p { color: var(--muted); font-size: 1.1rem; max-width: 600px; }

/* LEGAL */
.legal-content { max-width: 800px; padding: 60px 5%; }
.legal-content h2 { font-size: 1.3rem; font-weight: 700; margin: 2rem 0 0.75rem; }
.legal-content p, .legal-content li { color: var(--muted); font-size: 0.95rem; margin-bottom: 0.75rem; }
.legal-content ul { padding-left: 1.5rem; }
.legal-content a { color: var(--cyan); }

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links, .nav-right .btn-nav { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  nav { padding: 0 4%; }
  .hero { padding: 110px 4% 70px; }
  section { padding: 60px 4%; }
}