/* Skyline Digital Solutions — styles.css
   Pure HTML + CSS project. No JS required. */

:root {
  --bg: #0b1220;
  --panel: #0f172a;
  --panel-2: #0b2230;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --brand: #06b6d4;
  --brand-2: #60a5fa;
  --accent: #22d3ee;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --ring: 0 0 0 3px rgba(6,182,212,.25);
  --radius: 18px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(6,182,212,.15), transparent) no-repeat,
              radial-gradient(800px 500px at 10% 110%, rgba(96,165,250,.1), transparent) no-repeat,
              var(--bg);
  color: var(--text);
  font: 16px/1.6 Inter, ui-sans-serif, system-ui, Segoe UI, Roboto, Arial, sans-serif;
}

/* Layout */
.container { width: min(1120px, 92%); margin: 0 auto; }
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 960px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px)  { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 18, 32, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: white; }
.logo img { height: 36px; width: auto; }
.logo span { font-weight: 700; letter-spacing: .2px; }
.nav a { color: var(--text); text-decoration: none; }
.nav-links { display: flex; gap: 20px; align-items: center; }
.btn, .link-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 16px; border-radius: 999px; border: 1px solid rgba(255,255,255,.1);
  background: linear-gradient(135deg, rgba(6,182,212,.1), rgba(96,165,250,.08));
  color: white; text-decoration: none; font-weight: 600;
  box-shadow: inset 0 -2px 0 rgba(255,255,255,.06);
}
.btn:hover, .link-btn:hover { border-color: rgba(255,255,255,.2); box-shadow: var(--shadow); transform: translateY(-1px); }
.link { color: var(--brand); font-weight: 600; }

/* Mobile menu (CSS-only) */
#menu-toggle { display: none; }
.menu-btn { display: none; cursor: pointer; padding: 8px 12px; border-radius: 10px; border: 1px solid rgba(255,255,255,.1); }
.menu-btn span { display: block; width: 20px; height: 2px; background: #cbd5e1; margin: 4px 0; }
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav-links { display: none; position: absolute; right: 4%; top: 60px; flex-direction: column; background: var(--panel); padding: 16px; border-radius: 14px; width: 240px; }
  #menu-toggle:checked ~ .nav-inner .nav-links { display: flex; }
}

/* Hero */
.hero { padding: 64px 0 20px; }
.hero-inner { display: grid; gap: 32px; grid-template-columns: 1.1fr .9fr; align-items: center; }
.hero h1 { font-size: clamp(28px, 4vw, 56px); line-height: 1.05; margin: 0 0 10px; }
.hero p.lead { color: var(--muted); font-size: clamp(16px, 2vw, 20px); margin: 0 0 24px; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; background: #0f2233; border: 1px solid rgba(255,255,255,.06); border-radius: 999px; color: #cbd5e1; }
.hero-illustration { width: 100%; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.06); background: #0b2230; box-shadow: var(--shadow); }

@media (max-width: 960px) { .hero-inner { grid-template-columns: 1fr; } }

/* Cards */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card .media { display: block; width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #0e172a; }
.card .content { padding: 18px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.kicker { color: #a5b4fc; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; font-size: 12px; display: inline-block; margin-bottom: 6px; }

/* Sections */
.section { padding: 48px 0; }
.section header { margin-bottom: 20px; }
.section h2 { font-size: 28px; margin: 0 0 6px; }
.section p.sub { color: var(--muted); margin: 0; }

/* Feature list */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 16px; }
.feature { background: var(--panel); border: 1px solid rgba(255,255,255,.06); border-radius: 14px; padding: 16px; }
.feature h4 { margin: 0 0 6px; }
@media (max-width: 960px) { .features { grid-template-columns: 1fr; } }

/* Product grid */
.product { display: grid; grid-template-rows: auto 1fr auto; }
.price { display: inline-flex; gap: 8px; align-items: baseline; margin-top: 8px; }
.price .now { font-weight: 800; font-size: 18px; }
.price .old { color: var(--muted); text-decoration: line-through; font-size: 14px; }

/* CTA */
.cta {
  background: linear-gradient(135deg, rgba(6,182,212,.12), rgba(96,165,250,.1));
  border: 1px solid rgba(255,255,255,.08);
  padding: 28px;
  border-radius: var(--radius);
  display: grid; gap: 16px; grid-template-columns: 1.4fr .6fr; align-items: center;
}
.cta h3 { margin: 0; font-size: 22px; }
@media (max-width: 820px) { .cta { grid-template-columns: 1fr; } }

/* Footer */
.footer { padding: 32px 0 60px; color: #94a3b8; }
.footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 20px; }
.footer a { color: #cbd5e1; text-decoration: none; }
.footer a:hover { color: white; text-decoration: underline; }
.copy { border-top: 1px solid rgba(255,255,255,.08); margin-top: 24px; padding-top: 16px; }
@media (max-width: 960px) { .footer .cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .footer .cols { grid-template-columns: 1fr; } }

/* Forms */
.input {
  background: var(--panel);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  width: 100%;
}
.input:focus { outline: none; box-shadow: var(--ring); border-color: rgba(6,182,212,.6); }

/* Utilities */
.m-0{margin:0}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mb-8{margin-bottom:8px}.mb-24{margin-bottom:24px}
.center { text-align: center; }
.flex { display:flex; align-items:center; gap:12px; }