/* Variables & Base */
:root {
  --bg: #0e1621;
  --panel: #0f1c2a;
  --panel-2: #0b1520;
  --text: #e6edf3;
  --muted: #9fb0c0;
  --brand: #2e9eff;
  --accent: #00d1ff;
  --border: #203040;
  --success: #22c55e;
  --warning: #f59e0b;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --container: 1200px;
}

@media (min-width: 1536px) {
  :root { --container: 1280px; }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(0,209,255,0.12), transparent 60%), var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; background: var(--panel); color: var(--text); padding: 8px 12px; border-radius: 8px; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 20px; }

.section { padding: 64px 0; }
@media (min-width: 768px) { .section { padding: 80px 0; } }
.section--tinted { background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.0)), var(--panel-2); }
.section--accent { background: linear-gradient(180deg, rgba(46,158,255,0.12), rgba(46,158,255,0.08)); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section__title { margin: 0 0 24px; font-size: 28px; line-height: 1.25; letter-spacing: -0.01em; }
@media (min-width: 768px){ .section__title { font-size: 34px; } }
.section__lead { margin: -8px 0 24px; color: var(--muted); }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(15,28,42,0.8); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.header__inner { display: flex; align-items: center; gap: 16px; padding: 14px 0; }
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 700; letter-spacing: 0.2px; }
.logo__mark { color: var(--accent); }

.nav__list { display: none; list-style: none; margin: 0; padding: 0; gap: 16px; }
.nav__list a { color: var(--muted); text-decoration: none; padding: 8px 10px; border-radius: 8px; }
.nav__list a:hover, .nav__list a:focus-visible { color: var(--text); background: rgba(255,255,255,0.05); }

.header__actions { display: none; gap: 10px; }

.burger { margin-left: auto; border: 0; background: transparent; color: var(--text); padding: 6px; border-radius: 8px; }
.burger:hover { background: rgba(255,255,255,0.06); }

@media (min-width: 1024px) {
  .nav__list { display: inline-flex; }
  .header__actions { display: inline-flex; margin-left: auto; }
  .burger { display: none; }
}

/* Mobile menu */
.mobile-menu { position: fixed; inset: 0; background: rgba(5,10,16,0.6); backdrop-filter: blur(6px); display: grid; place-items: start; }
.mobile-menu[hidden] { display: none; }
.mobile-menu__nav { width: 88%; max-width: 360px; height: 100%; background: var(--panel); border-left: 1px solid var(--border); padding: 20px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow); }
.mobile-menu__nav a { color: var(--text); text-decoration: none; padding: 10px 12px; border-radius: 10px; background: rgba(255,255,255,0.02); }
.mobile-menu__nav a:hover { background: rgba(255,255,255,0.06); }
.mobile-menu__close { position: absolute; right: 16px; top: 16px; border: 0; background: rgba(255,255,255,0.06); color: var(--text); padding: 8px; border-radius: 10px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 14px; border-radius: 10px; text-decoration: none; color: var(--text); border: 1px solid var(--border); transition: 0.2s ease; }
.btn--lg { padding: 12px 18px; font-weight: 600; }
.btn--primary { background: linear-gradient(180deg, var(--brand), #1b86e6); border-color: #1370c4; box-shadow: 0 6px 20px rgba(46,158,255,0.3); }
.btn--primary:hover { filter: brightness(1.08); }
.btn--secondary { background: rgba(255,255,255,0.06); }
.btn--secondary:hover { background: rgba(255,255,255,0.1); }
.btn--ghost { background: transparent; }
.btn--ghost:hover { background: rgba(255,255,255,0.06); }

/* Hero */
.hero { position: relative; }
.hero__grid { display: grid; gap: 28px; align-items: center; }
@media (min-width: 1024px){ .hero__grid { grid-template-columns: 1.1fr 0.9fr; gap: 48px; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; background: rgba(255,255,255,0.06); border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: 13px; }
.hero__title { font-size: 30px; line-height: 1.15; margin: 4px 0 12px; letter-spacing: -0.02em; }
@media (min-width: 768px){ .hero__title { font-size: 44px; } }
.hero__subtitle { color: var(--muted); margin: 0 0 18px; }
.hero__actions { display: flex; gap: 12px; margin-bottom: 14px; }
.hero__features { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; color: var(--muted); }
.hero__features i { color: var(--success); margin-right: 6px; }

.device-frame { aspect-ratio: 16/10; border-radius: 20px; background: radial-gradient(600px 300px at 60% -40%, rgba(46,158,255,0.35), transparent 40%), var(--panel); border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; display: grid; place-items: center; }
.device-frame img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.9); opacity: 0.9; }

/* Cards & grids */
.cards-grid { display: grid; gap: 14px; }
.cards-grid--4 { grid-template-columns: repeat(1, 1fr); }
.cards-grid--3 { grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px){ .cards-grid--4 { grid-template-columns: repeat(2, 1fr);} .cards-grid--3 { grid-template-columns: repeat(2, 1fr);} }
@media (min-width: 1024px){ .cards-grid--4 { grid-template-columns: repeat(4, 1fr);} .cards-grid--3 { grid-template-columns: repeat(3, 1fr);} }

.card { background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.04); }
.card__icon { width: 40px; height: 40px; display: grid; place-items: center; background: rgba(46,158,255,0.15); color: var(--brand); border: 1px solid #1b3a55; border-radius: 10px; margin-bottom: 12px; }
.card__title { margin: 0 0 8px; font-size: 18px; }
.card__desc { margin: 0; color: var(--muted); font-size: 14px; }
.badge { display: inline-block; margin-top: 12px; font-size: 12px; color: var(--accent); background: rgba(0,209,255,0.12); border: 1px solid #134d5a; padding: 4px 8px; border-radius: 999px; }

.card--feature, .card--sector { display: grid; grid-auto-flow: column; align-items: center; gap: 12px; padding: 18px; }
.card--feature i { color: var(--brand); }

/* Scroller */
.scroller { display: grid; grid-auto-flow: column; grid-auto-columns: 80%; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; }
.case { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: #000; scroll-snap-align: start; }
.case img { width: 100%; height: 200px; object-fit: cover; opacity: 0.85; }
.case__body { padding: 12px; background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(10,18,28,0.8) 60%); position: absolute; left: 0; right: 0; bottom: 0; }
.case__title { margin: 0 0 4px; font-size: 16px; }
.case__meta { margin: 0; color: var(--muted); font-size: 13px; }
@media (min-width: 768px){ .scroller { grid-auto-columns: 42%; } .case img { height: 240px; } }

/* Pricing */
.pricing .card { display: flex; flex-direction: column; gap: 10px; }
.price { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; }
.price__currency { opacity: 0.8; margin-right: 4px; }
.list { margin: 0 0 8px; padding-left: 18px; color: var(--muted); }
.card--pricing-featured { border-color: rgba(46,158,255,0.8); box-shadow: 0 10px 30px rgba(46,158,255,0.25); position: relative; }
.ribbon { position: absolute; top: 10px; right: 10px; background: var(--brand); color: #fff; padding: 4px 8px; border-radius: 8px; font-size: 12px; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq__btn { width: 100%; text-align: left; background: rgba(255,255,255,0.04); color: var(--text); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; font-size: 16px; }
.faq__panel { padding: 12px 14px; color: var(--muted); border: 1px solid var(--border); border-top: none; border-radius: 0 0 10px 10px; background: rgba(255,255,255,0.03); }

/* Projects */
.projects { display: grid; gap: 12px; grid-template-columns: repeat(1, 1fr); }
@media (min-width: 768px){ .projects { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px){ .projects { grid-template-columns: repeat(4, 1fr); } }
.project { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01)); display: flex; flex-direction: column; gap: 10px; }
.project__title { margin: 0; }
.project__tags { display: flex; gap: 8px; color: var(--muted); }
.tag { background: rgba(255,255,255,0.06); border: 1px solid var(--border); padding: 2px 8px; border-radius: 999px; font-size: 12px; }

/* CTA */
.cta__inner { display: grid; gap: 12px; align-items: center; text-align: center; }
@media (min-width: 768px){ .cta__inner { grid-auto-flow: column; justify-content: space-between; text-align: left; } }
.cta__title { margin: 0; font-size: 24px; }
.cta__actions { display: flex; gap: 10px; justify-content: center; }
@media (min-width: 768px){ .cta__actions { justify-content: flex-end; } }

/* Footer */
.footer { border-top: 1px solid var(--border); background: var(--panel); }
.footer__inner { display: grid; gap: 12px; padding: 24px 0; }
@media (min-width: 768px){ .footer__inner { grid-auto-flow: column; justify-content: space-between; align-items: center; } }
.footer__cta { display: flex; gap: 10px; }
.footer__meta { display: flex; flex-direction: column; gap: 6px; color: var(--muted); }
.footer__nav { display: flex; gap: 12px; }
.footer__nav a { color: var(--muted); text-decoration: none; }
.footer__nav a:hover { color: var(--text); }

/* Utilities */
[hidden] { display: none !important; }
img { max-width: 100%; display: block; }
i[data-lucide] { width: 20px; height: 20px; }

/* Responsive tweaks */
@media (max-width: 359.98px){
  .container { padding: 0 14px; }
}