:root {
  --bg: #0a110e; --bg-alt: #0f1914; --card: #121f19; --border: #213429;
  --text: #e8f3ed; --text-2: #a4bcaf; --muted: #6f8979;
  --accent: #00ff73; --accent-soft: rgba(63,207,142,.12); --accent-glow: rgba(63,207,142,.30);
  --on-accent: #06130d;
  --radius: 16px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f5faf7; --bg-alt: #e9f3ed; --card: #ffffff; --border: #cfe3d8;
    --text: #0e1f17; --text-2: #3d5a4b; --muted: #6a8576;
    --accent: #0b8a5c; --accent-soft: rgba(11,138,92,.09); --accent-glow: rgba(11,138,92,.25);
    --on-accent: #ffffff;
  }
}
:root[data-theme="light"] {
  --bg: #f5faf7; --bg-alt: #e9f3ed; --card: #ffffff; --border: #cfe3d8;
  --text: #0e1f17; --text-2: #3d5a4b; --muted: #6a8576;
  --accent: #00ff73; --accent-soft: rgba(11,138,92,.09); --accent-glow: rgba(0, 255, 162, 0.25);
  --on-accent: #ffffff;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: var(--font); font-size: 16px; line-height: 1.6; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1080px, 100% - 32px); margin-inline: auto; }
nav.wrap { width: 100%; margin-inline: 0; } 
section { padding: 88px 0; }
.alt { background: var(--bg-alt); border-block: 1px solid var(--border); }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; }
h2 { font-size: clamp(28px, 4vw, 42px); margin: 10px 0 14px; }
.lead { color: var(--text-2); font-size: 18px; max-width: 620px; }
.section-head { margin-bottom: 44px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 44px; padding: 0 20px; border-radius: 12px; font: inherit; font-weight: 600; font-size: 15px; cursor: pointer; border: 1px solid var(--border); background: transparent; color: var(--text); transition: .2s; }
.btn:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent); color: var(--on-accent); filter: brightness(1.12); box-shadow: 0 8px 28px -8px var(--accent-glow); }
.btn-lg { height: 50px; padding: 0 26px; font-size: 16px; }

/* nav */
nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
nav .wrap { height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-weight: 800; font-size: 20px; letter-spacing: .12em; text-transform: uppercase; display: flex; align-items: center; gap: 10px; }
.mark { width: 30px; height: 30px; border-radius: 9px; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; font-size: 16px; letter-spacing: 0; }
.links { display: flex; align-items: center; gap: 4px; }
.links a { padding: 8px 12px; border-radius: 10px; color: var(--text-2); font-size: 15px; font-weight: 500; }
.links a:hover { color: var(--accent); background: var(--accent-soft); }
.icon-btn { width: 40px; height: 40px; padding: 0; }
@media (max-width: 640px) { .links a { display: none; } }

/* hero */
.hero { position: relative; padding: 100px 0 70px; text-align: center; }
.hero::before { content: ""; position: absolute; inset: -120px 0 auto; height: 560px; z-index: -1; background: radial-gradient(ellipse 60% 70% at 50% 0%, var(--accent-glow), transparent 70%); }
.pill { display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 600; background: var(--accent-soft); color: var(--accent); border: 1px solid var(--border); }
.hero h1 { font-size: clamp(36px, 6.4vw, 68px); max-width: 880px; margin: 22px auto; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead { margin: 0 auto 32px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.stats { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 44px; }
.stats[hidden] { display: none; }
.stat { min-width: 150px; padding: 14px 20px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); }
.stat b { display: block; font-size: 28px; color: var(--accent); }
.stat span { font-size: 13px; color: var(--muted); }

/* projects */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; gap: 14px; transition: .25s; }
.card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 20px 50px -24px var(--accent-glow); }
.card-top { display: flex; align-items: center; gap: 14px; }
.card .mark { width: 46px; height: 46px; border-radius: 13px; font-size: 22px; font-weight: 800; }
.card h3 { font-size: 24px; }
.tag { font-size: 12px; font-family: var(--mono); color: var(--muted); }
.card p { color: var(--text-2); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 12px; font-family: var(--mono); padding: 3px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.meta { font-size: 14px; color: var(--muted); min-height: 22px; }
.card-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; padding-top: 6px; }
.card-actions .btn { height: 40px; font-size: 14px; }
.more { margin-top: 20px; color: var(--muted); font-size: 15px; }
.more a { color: var(--accent); font-weight: 600; }

/* about */
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 820px) { .split { grid-template-columns: 1fr; gap: 36px; } }
.prose p { color: var(--text-2); margin-bottom: 16px; font-size: 17px; }
.skills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.timeline { border-left: 2px solid var(--border); padding-left: 22px; display: grid; gap: 22px; }
.tl { position: relative; }
.tl::before { content: ""; position: absolute; left: -29px; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.tl b { display: block; }
.tl small { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.tl span { color: var(--text-2); font-size: 15px; }

.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 760px) { .values { grid-template-columns: 1fr; } }
.value { padding: 22px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--border); }
.value h3 { font-size: 18px; margin-bottom: 6px; }
.value p { color: var(--text-2); font-size: 15px; }

/* contact */
.contact { text-align: center; }
.contact .lead { margin: 0 auto 28px; }
footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a:hover { color: var(--accent); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .card:hover { transform: none; } html { scroll-behavior: auto; } }

::selection {
    color: var(--bg);
    background-color: var(--accent);
}

.socials{
  list-style:none;
  margin:12px 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.socials a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border:1px solid var(--border);
  border-radius:999px;
  background:var(--card);
  color:var(--text-2);
  font-size:.92rem;
  font-weight:500;
  text-decoration:none;
  transition:color .2s, border-color .2s, background .2s, transform .2s, box-shadow .2s;
}
.socials a::after{
  content:"↗";
  font-size:.8em;
  opacity:.5;
  transition:transform .2s, opacity .2s;
}
.socials a:hover,
.socials a:focus-visible{
  color:var(--accent);
  border-color:var(--accent);
  background:var(--accent-soft);
  box-shadow:0 0 0 4px var(--accent-soft), 0 6px 20px -8px var(--accent-glow);
  transform:translateY(-2px);
  outline:none;
}
.socials a:hover::after,
.socials a:focus-visible::after{
  opacity:1;
  transform:translate(2px,-2px);
}