:root {
  --bg: #0B0D12;
  --surface: #12151C;
  --border: #232836;
  --text: #E8EAF0;
  --muted: #9AA1B2;
  --ember: #FF6A2B;
  --ember-2: #FFB547;
  --radius: 18px;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--ember-2); text-decoration: none; }
a:hover { text-decoration: underline; }

code { font-family: var(--mono); font-size: .9em; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(20px, 5vw, 64px);
  background: rgba(11, 13, 18, .75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 800; letter-spacing: .3px; }
.brand:hover { text-decoration: none; }
.nav nav { display: flex; align-items: center; gap: 22px; }
.nav nav a:not(.btn) { color: var(--muted); font-weight: 500; }
.nav nav a:not(.btn):hover { color: var(--text); text-decoration: none; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 999px;
  font-weight: 600; font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--ember-2), var(--ember)); color: #1A0E05; box-shadow: 0 8px 28px -8px var(--ember); }
.btn-ghost { color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-accent { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0B0D12; }

/* hero */
.hero {
  position: relative; overflow: hidden;
  text-align: center;
  padding: clamp(72px, 12vw, 140px) 24px 96px;
}
.glow {
  position: absolute; inset: -40% 10% auto; height: 520px;
  background: radial-gradient(closest-side, rgba(255, 106, 43, .28), transparent);
  filter: blur(20px); pointer-events: none;
}
.hero > :not(.glow) { position: relative; }
.hero-logo { filter: drop-shadow(0 12px 40px rgba(255, 106, 43, .45)); animation: float 6s ease-in-out infinite; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.08; margin: 28px 0 18px; letter-spacing: -1.5px; font-weight: 800; }
.ember { background: linear-gradient(90deg, var(--ember-2), var(--ember), #E0245E); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { max-width: 620px; margin: 0 auto; color: var(--muted); font-size: 1.15rem; }
.cta { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.langs { display: flex; justify-content: center; gap: 10px; list-style: none; padding: 0; margin: 40px 0 0; }
.langs li { font-family: var(--mono); font-size: .8rem; color: var(--muted); border: 1px solid var(--border); padding: 4px 12px; border-radius: 999px; }

@keyframes float { 50% { transform: translateY(-8px); } }

/* sections */
.projects, .about { max-width: 1040px; margin: 0 auto; padding: 40px 24px 80px; }
.section-title { font-size: .85rem; text-transform: uppercase; letter-spacing: 3px; color: var(--muted); margin: 0 0 28px; }

/* project row: info left, code right, no card */
.project {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--border);
}
.project:last-child { border-bottom: 1px solid var(--border); }
.project-logo { display: block; border-radius: 16px; box-shadow: 0 10px 40px -10px var(--accent); margin-bottom: 20px; }
.project h3 { margin: 0; font-size: 2rem; letter-spacing: -.5px; }
.tagline {
  margin: 4px 0 14px; font-weight: 600;
  background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.summary { margin: 0; color: var(--muted); }
.note { margin: 10px 0 0; font-size: .85rem; color: var(--accent); }

.pills { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 18px 0 0; }
.pills li { font-family: var(--mono); font-size: .75rem; color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent); padding: 3px 10px; border-radius: 999px; }

/* tabs + code */
.tabs { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #0A0C10; box-shadow: 0 30px 80px -40px var(--accent); }
.tab-list { display: flex; gap: 4px; padding: 6px; border-bottom: 1px solid var(--border); background: #0E1117; }
.tab-list button {
  font: 500 .85rem Inter, sans-serif; color: var(--muted);
  background: none; border: 0; padding: 7px 14px; border-radius: 8px; cursor: pointer;
}
.tab-list button[aria-selected="true"] { color: var(--text); background: var(--surface); box-shadow: inset 0 -2px 0 var(--accent); }
pre { margin: 0; padding: 20px 22px; overflow-x: auto; font: .88rem/1.7 var(--mono); color: #D6DAE4; }
pre code { font-size: inherit; }
pre .c { color: #5F6779; }

.links { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }

/* about */
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.about-grid > div { border-left: 2px solid var(--ember); padding: 2px 0 2px 18px; }
.about-grid h3 { margin: 0 0 8px; font-size: 1.1rem; }
.about-grid p { margin: 0; color: var(--muted); }

/* footer */
.footer {
  display: flex; align-items: center; justify-content: center; gap: 12px; flex-wrap: wrap;
  padding: 34px 24px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: .9rem;
}

@media (max-width: 860px) {
  .project { grid-template-columns: 1fr; padding: 40px 0; }
}

@media (max-width: 640px) {
  .nav nav a:not(.btn) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}