/* Tech vibe: CSS variables, glass, neon accent */
:root {
  --bg: #0b0f14;
  --bg-soft: #0f1722;
  --fg: #e5f2ff;
  --muted: #94a3b8;
  --accent: #0ea5e9;
  --border: rgba(255,255,255,0.08);
  --card: rgba(255,255,255,0.04);
  --shadow: 0 10px 30px rgba(2,6,23,0.5);
}

html[data-theme="light"] {
  --bg: #f7fafc;
  --bg-soft: #ffffff;
  --fg: #0b1220;
  --muted: #475569;
  --accent: #2563eb;
  --border: rgba(15,23,42,0.08);
  --card: rgba(15,23,42,0.04);
  --shadow: 0 10px 24px rgba(2,6,23,0.08);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, "Noto Sans", Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--fg);
  background: radial-gradient(1200px 600px at 10% 0%, rgba(14,165,233,0.15), transparent 50%),
              radial-gradient(1000px 500px at 90% 20%, rgba(99,102,241,0.12), transparent 50%),
              var(--bg);
  line-height: 1.6;
}

/* Utilities */
.container { width: min(1120px, 92%); margin: 0 auto; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5rem; padding: .8rem 1.2rem; border-radius: 16px; border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  color: var(--fg); text-decoration: none; transition: transform .15s ease, border-color .2s, background .2s;
  backdrop-filter: blur(8px);
}
.btn.small { padding: .55rem .9rem; border-radius: 14px; font-size: .95rem; }
.btn.primary { border-color: transparent; background: linear-gradient(90deg, var(--accent), #22d3ee); color: #001018; font-weight: 700; }
.btn.primary:hover { transform: translateY(-1px); }
.btn.outline { background: transparent; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn:hover { transform: translateY(-1px); }

.icon-btn {
  border: 1px solid var(--border); background: var(--card); border-radius: 12px;
  width: 40px; height: 40px; display: grid; place-items: center; color: var(--fg); cursor: pointer;
}

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0));
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: .7rem 0; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .6rem; color: var(--fg); text-decoration: none; font-weight: 700; }
.logo {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font-weight: 900;
  background: linear-gradient(135deg, var(--accent), #22d3ee);
  color: #001018;
}
.menu { display: none; gap: 1rem; }
.menu .nav-link { color: var(--muted); text-decoration: none; padding: .4rem .6rem; border-radius: 10px; }
.menu .nav-link:hover { color: var(--fg); background: var(--card); }

.actions { display: flex; align-items: center; gap: .6rem; }

@media (min-width: 900px) {
  .menu { display: flex; }
}

/* Hero */
.hero {
  padding: 72px 0 24px;
}
.hero-inner {
  display: grid; align-items: center; gap: 2rem;
  grid-template-columns: 1fr; 
}
.hero-text .eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; font-size: .9rem; }
.hero-text .title { font-size: clamp(2rem, 6vw, 3.2rem); line-height: 1.15; margin: .2rem 0 .6rem; }
.hero-text .subtitle { color: var(--muted); max-width: 60ch; }
.hero .platforms { display: grid; gap: .6rem; margin-top: 1rem; }
.platform { display: inline-flex; align-items: center; gap: .6rem; color: var(--fg); text-decoration: none; padding: .5rem .7rem; background: var(--card); border: 1px solid var(--border); border-radius: 12px; width: fit-content; }
.platform svg { width: 18px; height: 18px; fill: currentColor; opacity: .8; }
.hero-media { position: relative; display: grid; place-items: center; }
.avatar { width: min(280px, 60vw); height: auto; border-radius: 24px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.glow { position: absolute; width: 60%; height: 60%; border-radius: 50%; filter: blur(40px); background: radial-gradient(circle at 50% 50%, var(--accent), transparent 60%); opacity: .25; z-index: -1; }

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.2fr .8fr; }
  .hero .platforms { grid-auto-flow: column; justify-content: start; }
}

/* Sections */
.section { padding: 64px 0; border-top: 1px solid var(--border); background: transparent; }
.section h2 { font-size: clamp(1.4rem, 4vw, 2rem); margin: 0 0 .5rem; }
.section p { margin: .25rem 0 0; color: var(--fg); }

/* Skills */
.skills-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.skill { padding: 1rem; background: var(--card); border: 1px solid var(--border); border-radius: 16px; }
.skill .bar { margin-top: .6rem; height: 10px; background: rgba(255,255,255,0.08); border-radius: 999px; overflow: hidden; }
.skill .bar > div { width: var(--w); height: 100%; background: linear-gradient(90deg, var(--accent), #22d3ee); }

@media (min-width: 700px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Cards */
.cards { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); }
.card img { width: 100%; height: 180px; object-fit: cover; display: block; }
.card-body { padding: 1rem; }
.card-actions { display: flex; gap: .5rem; margin-top: .6rem; }

@media (min-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}

/* Tags */
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .6rem; }
.tag { padding: .45rem .7rem; border-radius: 999px; background: var(--card); border: 1px solid var(--border); }

/* Contact */
.contact-actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .8rem; }

/* Footer */
.site-footer { padding: 40px 0 60px; color: var(--muted); }
.site-footer .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: .6rem; }
.small-links a { color: var(--muted); text-decoration: none; margin-left: 1rem; }
.small-links a:hover { color: var(--fg); }

/* Modal */
.backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.55); backdrop-filter: blur(4px); }
.modal {
  position: fixed; inset: 0; margin: auto; width: min(520px, 92%); background: var(--bg-soft); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow); padding: 1.2rem; display: grid; gap: .8rem;
}
.modal-actions { display: flex; gap: .6rem; justify-content: end; }

.hidden { display: none; }

/* Floating music button */
.floating-btn {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  border: 1px solid var(--border); background: var(--card); border-radius: 999px;
  width: 48px; height: 48px; display: grid; place-items: center; color: var(--fg);
  box-shadow: var(--shadow); cursor: pointer;
}

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }