/* HKEV Studio Landing - minimal, responsive CSS */
:root {
  --bg: #0b0d12;
  --panel: #121620;
  --text: #e8ecf3;
  --muted: #9aa7bd;
  --brand: #4f8cff;
  --brand-2: #7b6cff;
  --ok: #21c07a;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.25);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 80% -10%, rgba(79,140,255,.12), transparent 40%),
              radial-gradient(900px 600px at -10% 10%, rgba(123,108,255,.12), transparent 40%),
              var(--bg);
}

.container { width: min(1100px, 92%); margin: 0 auto; }

/* Header */
.site-header { position: sticky; top: 0; backdrop-filter: saturate(140%) blur(8px); background: rgba(11,13,18,.6); border-bottom: 1px solid rgba(255,255,255,.06); z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: .2px; }
.brand img { filter: drop-shadow(0 4px 12px rgba(79,140,255,.35)); }
.nav { display: flex; gap: 18px; align-items: center; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; }
.nav a:hover { color: var(--text); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 16px; border-radius: 999px; text-decoration: none; font-weight: 700; border: 1px solid rgba(255,255,255,.1); color: var(--text); }
.btn-sm { padding: 8px 12px; font-size: 14px; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); border: none; box-shadow: 0 10px 24px rgba(79,140,255,.35), 0 6px 16px rgba(123,108,255,.28); }
.btn-primary:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; }

/* Hero */
.hero { padding: 80px 0 40px; }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero-copy h1 { font-size: clamp(28px, 4.5vw, 48px); margin: 0 0 12px; line-height: 1.1; }
.hero-copy p { font-size: clamp(16px, 2.2vw, 20px); color: var(--muted); margin: 0 0 20px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { position: relative; height: 320px; }
.hero-art .glass { position: absolute; inset: 0; border-radius: var(--radius); background: linear-gradient(160deg, rgba(79,140,255,.16), rgba(123,108,255,.12)); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.08); }

/* Sections */
.section { padding: 56px 0; }
.section.alt { background: linear-gradient(180deg, rgba(255,255,255,.04), transparent); border-top: 1px solid rgba(255,255,255,.05); border-bottom: 1px solid rgba(255,255,255,.05); }
.section h2 { font-size: 28px; margin: 0 0 20px; }

.grid { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--panel); border: 1px solid rgba(255,255,255,.06); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.card h3 { margin: 4px 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }

.showcase { grid-template-columns: repeat(3, 1fr); }
.shot { aspect-ratio: 16/10; background: linear-gradient(160deg, rgba(79,140,255,.14), rgba(123,108,255,.14)); border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius); display: grid; place-items: center; color: var(--text); font-weight: 700; letter-spacing: .2px; box-shadow: var(--shadow); }
.shot span { background: rgba(0,0,0,.28); padding: 6px 10px; border-radius: 999px; }

.contact .btn-primary { margin-top: 12px; }

/* Footer */
.site-footer { border-top: 1px solid rgba(255,255,255,.06); padding: 18px 0; }
.footer-inner { display: flex; gap: 16px; align-items: center; justify-content: space-between; color: var(--muted); }
.footer-inner a { color: var(--muted); text-decoration: none; }
.footer-inner a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { order: -1; height: 220px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .showcase { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .nav { display: none; }
  .cards, .showcase { grid-template-columns: 1fr; }
}