:root {
  --bg: #0b0f1a;
  --panel: rgba(255,255,255,0.04);
  --panel-strong: rgba(255,255,255,0.08);
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --primary: #7c5cff;
  --accent: #00e1c6;
  --danger: #ff5470;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 800px at 20% -10%, #1b2140 0%, transparent 60%), var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
}

.container { width: min(1200px, 92%); margin: 0 auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(11,15,26,0.85), rgba(11,15,26,0.55));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav__inner { display: flex; align-items: center; gap: 1rem; padding: .8rem 0; }
.logo { font-weight: 800; letter-spacing: .5px; text-decoration: none; color: var(--text); font-size: 1.25rem; }
.logo span { color: var(--primary); }
.nav__links { margin-left: auto; display: flex; gap: 1rem; }
.nav__links a { color: var(--text); text-decoration: none; opacity: .9; }
.nav__links a:hover, .nav__links a.active { color: var(--accent); }
.nav__burger { display:none; margin-left:.5rem; background:none; border:0; cursor:pointer; }
.nav__burger span { display:block; width:22px; height:2px; background:#cfd3dc; margin:5px 0; border-radius:2px; }

/* Drawer (mobile) */
.drawer { position: fixed; inset: 0 0 0 auto; width: 260px; background: #0e1324; transform: translateX(100%); transition: .3s ease; padding: 80px 20px; display:flex; flex-direction:column; gap:16px; z-index: 60; }
.drawer.open { transform: translateX(0); }
.drawer a { color: var(--text); text-decoration:none; padding:8px 10px; border-radius:10px; background: var(--panel); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .75rem 1rem; border-radius: 12px; border: 1px solid transparent;
  font-weight: 600; text-decoration: none; cursor: pointer; transition: transform .06s ease, background .3s ease, color .3s ease, border-color .3s ease;
}
.btn--primary { background: linear-gradient(135deg, var(--primary), #5f9bff); color: #101424; }
.btn--ghost { background: transparent; color: var(--text); border-color: rgba(255,255,255,0.15); }
.btn:hover { transform: translateY(-1px); }

/* Hero */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 3rem; padding: 6rem 0 4rem; }
.hero__tag { color: var(--accent); font-weight: 600; margin: .5rem 0 1rem; }
.hero__cta { display:flex; gap: .75rem; margin-top: 1rem; }
.hero__gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.hero__gallery img { width: 100%; height: 170px; object-fit: cover; border-radius: var(--radius); }

.grad-text {
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  background: linear-gradient(90deg, #c2ccff, #7c5cff, #00e1c6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Sections & cards */
.section { padding: 4.5rem 0; }
.section__head h2 { margin: 0 0 .5rem; }
.card {
  background: linear-gradient(180deg, var(--panel), rgba(255,255,255,0.02));
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}
.lift { transition: transform .15s ease, box-shadow .15s ease; }
.lift:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,.45); }

.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.project .link { color: var(--accent); font-weight: 600; }
.project__badge {
  display: inline-block; margin-bottom: .5rem; padding: .2rem .6rem;
  font-size: .75rem; color: #0e1324; background: #bff5ee; border-radius: 999px;
}
.pill-row { display:flex; flex-wrap: wrap; gap: .4rem; margin: .6rem 0; }
.pill { font-family: "JetBrains Mono", monospace; font-size: .78rem; padding: .25rem .55rem; border-radius: 999px; background: var(--panel-strong); color: var(--text); }

/* Forms */
.form { max-width: 720px; margin: 0 auto; }
.form__row { display:flex; flex-direction:column; gap:.35rem; margin-bottom: 1rem; }
.form__row input, .form__row textarea {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px; padding: .9rem 1rem; color: var(--text);
}
.form__row input::placeholder, .form__row textarea::placeholder { color: #8892a6; }
.form__actions { display:flex; align-items:center; gap:.75rem; }

/* Footer */
.footer { border-top: 1px solid rgba(255,255,255,0.06); margin-top: 4rem; }
.footer__inner { padding: 1.2rem 0; display:flex; justify-content:space-between; align-items:center; }
.socials { display:flex; gap:.9rem; }
.socials a { color: var(--text); text-decoration:none; opacity:.85; }
.socials a:hover { color: var(--accent); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; background: rgba(3,6,12,.85); display:none; align-items:center; justify-content:center; z-index: 80; }
.lightbox.open { display:flex; }
.lightbox img { max-width: 90vw; max-height: 80vh; border-radius: 12px; box-shadow: var(--shadow); }
.lightbox__close { position: absolute; top: 20px; right: 24px; background: var(--panel); border:1px solid rgba(255,255,255,.15); color: var(--text); border-radius: 999px; padding:.4rem .6rem; cursor:pointer; }

/* Responsive */
@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; }
  .nav__links { display:none; }
  .nav__burger { display:block; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}