:root {
  --bg: #07070d;
  --panel: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.09);
  --text: #eef0f7;
  --muted: #8b90a6;
  --cyan: #00f0ff;
  --violet: #8b5cf6;
  --pink: #ff3d9a;
  --lime: #b6ff3b;
  --amber: #ffc400;
  --text-2: #c3c7d8;
  --strong: #fff;
  --nav-bg: rgba(10, 10, 20, 0.6);
  --glass: rgba(14, 14, 26, 0.55);
  --track: rgba(255, 255, 255, 0.06);
  --on-grad: #07070d;
  --stream-opacity: 0.55;
  --grad: linear-gradient(100deg, var(--cyan), var(--violet) 55%, var(--pink));
  --radius: 20px;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

/* Light theme: follows the system unless the toggle forces a theme */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f6fb;
    --panel: rgba(255, 255, 255, 0.82);
    --stream-opacity: 0.4;
    --border: rgba(20, 20, 60, 0.11);
    --text: #12131c;
    --text-2: #3d4152;
    --muted: #5f6478;
    --strong: #000;
    --cyan: #0891b2;
    --violet: #7c3aed;
    --pink: #db2777;
    --lime: #4d7c0f;
    --amber: #b45309;
    --nav-bg: rgba(255, 255, 255, 0.7);
    --glass: rgba(255, 255, 255, 0.65);
    --track: rgba(20, 20, 60, 0.08);
    --on-grad: #fff;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f6f6fb;
  --panel: rgba(255, 255, 255, 0.82);
  --stream-opacity: 0.4;
  --border: rgba(20, 20, 60, 0.11);
  --text: #12131c;
  --text-2: #3d4152;
  --muted: #5f6478;
  --strong: #000;
  --cyan: #0891b2;
  --violet: #7c3aed;
  --pink: #db2777;
  --lime: #4d7c0f;
  --amber: #b45309;
  --nav-bg: rgba(255, 255, 255, 0.7);
  --glass: rgba(255, 255, 255, 0.65);
  --track: rgba(20, 20, 60, 0.08);
  --on-grad: #fff;
  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
strong { color: var(--strong); font-weight: 600; }
::selection { background: var(--violet); color: #fff; }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 0.8rem; }
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Background layers */
#stream { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1; opacity: var(--stream-opacity); }
.glow { position: fixed; border-radius: 50%; filter: blur(120px); z-index: -2; pointer-events: none; }
.glow-a { width: 520px; height: 520px; background: var(--violet); opacity: 0.22; top: -160px; right: -120px; animation: drift 18s ease-in-out infinite alternate; }
.glow-b { width: 460px; height: 460px; background: var(--cyan); opacity: 0.14; bottom: -180px; left: -140px; animation: drift 22s ease-in-out infinite alternate-reverse; }
@keyframes drift { to { transform: translate(-80px, 120px) scale(1.15); } }

/* Nav */
.nav {
  position: fixed; top: 16px; left: 50%; transform: translateX(-50%);
  width: min(1100px, calc(100% - 32px));
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 10px 14px 10px 22px;
  background: var(--nav-bg);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 999px;
  z-index: 50;
}
.logo { font-family: var(--mono); font-weight: 600; font-size: 1.2rem; letter-spacing: -0.02em; }
.logo span { color: var(--cyan); }
.nav nav { display: flex; gap: 26px; font-size: 0.92rem; }
.nav nav a { color: var(--muted); transition: color 0.2s; }
.nav nav a:hover { color: var(--text); }
.term-btn {
  font: 500 0.85rem var(--mono); color: var(--text);
  background: var(--panel); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 999px; cursor: pointer; transition: border-color 0.2s, box-shadow 0.2s;
}
.term-btn span { color: var(--lime); }
.nav-actions { display: flex; gap: 8px; }
.theme-btn { width: 38px; padding: 8px 0; font-size: 1rem; line-height: 1; }
.term-btn:hover { border-color: var(--cyan); box-shadow: 0 0 20px rgba(0, 240, 255, 0.25); }

main { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }

/* Hero */
.hero { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 130px 0 60px; }
.eyebrow { font-size: 0.82rem; color: var(--muted); display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
#status { transition: opacity 0.4s; }
#status.out { opacity: 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
h1 { font-size: clamp(3.4rem, 12vw, 9rem); line-height: 0.92; letter-spacing: -0.045em; font-weight: 700; }
.role { margin-top: 24px; font-size: clamp(1rem, 2.4vw, 1.3rem); color: var(--cyan); min-height: 1.6em; }
.caret { animation: blink 1s steps(1) infinite; margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }
.lede { margin-top: 18px; max-width: 620px; font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-2); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.hero-cta.center { justify-content: center; }
.btn { padding: 14px 24px; border-radius: 999px; font-weight: 500; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--grad); color: var(--on-grad); font-weight: 700; box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35); }
.btn.primary:hover { box-shadow: 0 12px 40px rgba(0, 240, 255, 0.35); }
.btn.ghost { border: 1px solid var(--border); background: var(--panel); }
.btn.ghost:hover { border-color: var(--violet); }

.glass { background: var(--glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--border); }
.ticker { margin-top: 56px; padding: 20px 24px; border-radius: var(--radius); max-width: 460px; }
.ticker-label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.ticker-value { font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 600; color: var(--lime); text-shadow: 0 0 24px rgba(182, 255, 59, 0.35); font-variant-numeric: tabular-nums; }
.ticker-bar { height: 3px; background: var(--track); border-radius: 3px; overflow: hidden; margin-top: 10px; }
.ticker-bar span { display: block; height: 100%; width: 40%; background: var(--grad); animation: flow 1.6s linear infinite; }
@keyframes flow { from { transform: translateX(-100%); } to { transform: translateX(250%); } }

/* Sections */
.section { padding: 110px 0 20px; scroll-margin-top: 10px; }
.section-title { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.03em; margin-bottom: 40px; display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; }
.section-title > .mono:first-child { font-size: 0.9rem; color: var(--cyan); }
.section-title .small { font-size: 0.85rem; font-weight: 400; }

.card {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; overflow: hidden;
  transition: border-color 0.3s, transform 0.3s;
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity 0.3s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(139, 92, 246, 0.18), transparent 60%);
}
.card:hover { border-color: rgba(139, 92, 246, 0.45); }
.card:hover::before { opacity: 1; }

/* Bento */
.bento { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.span-2 { grid-column: span 2; grid-row: span 2; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.big { font-size: clamp(1.4rem, 3vw, 2.1rem); line-height: 1.25; letter-spacing: -0.02em; font-weight: 500; }
.stat-num { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.stat-label { color: var(--muted); font-size: 0.92rem; margin-top: 6px; }
.stat.award { background: linear-gradient(140deg, rgba(255, 196, 0, 0.12), rgba(255, 61, 154, 0.06)); }

/* Git log timeline */
.log { position: relative; padding-left: 34px; }
.log::before { content: ""; position: absolute; left: 9px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--cyan), var(--violet), var(--pink), transparent); }
.commit { position: relative; margin-bottom: 26px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 28px; transition: border-color 0.3s; }
.commit:hover { border-color: rgba(0, 240, 255, 0.4); }
.commit::before { content: ""; position: absolute; left: -31px; top: 30px; width: 14px; height: 14px; border-radius: 50%; background: var(--bg); border: 2px solid var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.commit-meta { font-size: 0.78rem; margin-bottom: 10px; }
.hash { color: var(--amber); }
.head { color: var(--lime); }
.commit-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: baseline; }
.commit h3 { font-size: 1.3rem; letter-spacing: -0.01em; }
.date { font-size: 0.8rem; color: var(--muted); }
.company { font-weight: 500; color: var(--cyan); margin: 2px 0 14px; }
.commit ul { list-style: none; display: grid; gap: 8px; color: var(--text-2); }
.commit li { padding-left: 20px; position: relative; }
.commit li::before { content: "+"; position: absolute; left: 0; color: var(--lime); font-family: var(--mono); }

.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tags span, .chips span {
  font: 0.76rem var(--mono); padding: 5px 11px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text-2);
}

/* Skills */
.skills { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.skill-group h4 { color: var(--pink); font-size: 0.85rem; margin-bottom: 14px; font-weight: 600; }
.skill-group h4::before { content: "▸ "; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span { font-size: 0.85rem; transition: all 0.2s; }
.chips span:hover { border-color: var(--cyan); color: var(--strong); box-shadow: 0 0 14px rgba(0, 240, 255, 0.3); transform: translateY(-2px); }

/* Projects */
.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.project { display: flex; flex-direction: column; gap: 8px; }
.project:hover { transform: translateY(-4px); }
.project h3 { font-size: 1.2rem; line-height: 1.3; }
.project p:not(.muted) { color: var(--text-2); font-size: 0.95rem; }
.project .tags { margin-top: auto; padding-top: 12px; }
.project-icon { font-size: 1.8rem; margin-bottom: 4px; }
.edu { margin-top: 16px; display: flex; align-items: center; gap: 20px; }
.edu-icon { font-size: 2rem; }

/* Contact */
.contact { text-align: center; padding-bottom: 80px; }
.contact-title { font-size: clamp(2.4rem, 7vw, 5rem); line-height: 1; letter-spacing: -0.04em; margin-bottom: 18px; }
.hint { margin-top: 40px; font-size: 0.8rem; }
kbd { font-family: var(--mono); border: 1px solid var(--border); border-radius: 6px; padding: 1px 7px; background: var(--panel); color: var(--text); }
.footer { text-align: center; padding: 30px 16px 40px; font-size: 0.78rem; border-top: 1px solid var(--border); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease, border-color 0.3s; }
.reveal.in { opacity: 1; transform: none; }

/* Terminal */
.term-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; background: rgba(3, 3, 8, 0.6); backdrop-filter: blur(6px); padding: 16px; }
.term-overlay[hidden] { display: none; }
.term { width: min(720px, 100%); height: min(480px, 80vh); border-radius: 16px; display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(0, 240, 255, 0.15); animation: pop 0.25s ease; }
@keyframes pop { from { transform: scale(0.96); opacity: 0; } }
.term-bar { display: flex; align-items: center; gap: 14px; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 0.8rem; }
.lights { display: flex; gap: 7px; }
.lights i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.lights i:nth-child(2) { background: #febc2e; }
.lights i:nth-child(3) { background: #28c840; }
.term-close { margin-left: auto; background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 1rem; }
.term-body { flex: 1; overflow-y: auto; padding: 16px; font-size: 0.86rem; white-space: pre-wrap; color: var(--text-2); }
.term-body .cmd { color: var(--text); }
.term-body .cmd::before { content: "➜ ~ "; color: var(--lime); }
.term-body .accent { color: var(--cyan); }
.term-body .warn { color: var(--pink); }
.term-input { display: flex; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--border); }
.prompt { color: var(--lime); }
.term-input input { flex: 1; background: none; border: 0; outline: none; color: var(--text); font: inherit; font-size: 0.9rem; }

/* Responsive */
@media (max-width: 860px) {
  .nav nav { display: none; }
  .bento, .skills, .projects { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; grid-row: auto; }
}
@media (max-width: 480px) {
  .card, .commit { padding: 22px 20px; }
  .log { padding-left: 26px; }
  .commit::before { left: -23px; }
  .log::before { left: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}