:root {
  --bg: #07110f;
  --bg-soft: #0b1815;
  --panel: rgba(15, 31, 27, .76);
  --panel-solid: #0f1f1b;
  --line: rgba(195, 255, 224, .11);
  --line-strong: rgba(195, 255, 224, .22);
  --text: #edf8f2;
  --muted: #91aaa0;
  --accent: #b8f25c;
  --accent-2: #5cf2c8;
  --warm: #ffcf70;
  --max: 1180px;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% -8%, rgba(92, 242, 200, .12), transparent 30rem),
    radial-gradient(circle at -10% 35%, rgba(184, 242, 92, .07), transparent 27rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
  z-index: -1;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; background: var(--accent); color: #10200c; padding: 10px 16px; z-index: 100; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(7, 17, 15, .76); backdrop-filter: blur(18px); border-bottom: 1px solid transparent; transition: .25s ease; }
.site-header.scrolled { border-color: var(--line); }
.nav { height: 74px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 31px; height: 31px; display: grid; place-items: center; color: var(--accent); border: 1px solid var(--line-strong); border-radius: 9px; font-family: ui-monospace, monospace; font-size: 13px; background: var(--panel); }
.nav-links { display: flex; align-items: center; gap: 7px; }
.nav-links a { padding: 9px 13px; border-radius: 9px; color: var(--muted); font-size: 14px; transition: .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); background: rgba(255,255,255,.045); }
.nav-links .nav-cta { margin-left: 6px; color: #10200c; background: var(--accent); font-weight: 700; }
.nav-links .nav-cta:hover { color: #10200c; background: #cafc7b; }
.menu-toggle { display: none; color: var(--text); border: 1px solid var(--line); background: var(--panel); width: 42px; height: 42px; border-radius: 10px; cursor: pointer; }

.hero { padding: 106px 0 76px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 72px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: var(--accent-2); text-transform: uppercase; letter-spacing: .14em; font-size: 12px; font-weight: 750; }
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.hero h1 { max-width: 780px; margin: 20px 0 22px; font-size: clamp(48px, 7vw, 88px); line-height: .98; letter-spacing: -.065em; font-weight: 790; }
.hero h1 em { color: var(--accent); font-style: normal; }
.hero-copy { color: var(--muted); font-size: clamp(17px, 2vw, 20px); max-width: 650px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 18px; border-radius: 11px; border: 1px solid var(--line-strong); font-weight: 700; font-size: 14px; transition: .22s ease; }
.button.primary { background: var(--accent); color: #10200c; border-color: var(--accent); }
.button.secondary { background: var(--panel); }
.button:hover { transform: translateY(-2px); border-color: var(--accent-2); }
.hero-note { display: flex; align-items: center; gap: 10px; color: var(--muted); margin-top: 28px; font-size: 13px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(184,242,92,.1); }

.terminal { border: 1px solid var(--line-strong); background: rgba(8, 20, 17, .86); border-radius: var(--radius); box-shadow: 0 24px 80px rgba(0,0,0,.35); overflow: hidden; transform: rotate(1.5deg); }
.terminal-bar { height: 45px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 7px; padding: 0 15px; }
.terminal-bar i { width: 8px; height: 8px; border-radius: 50%; background: #385047; }
.terminal-body { padding: 22px; font: 13px/1.8 ui-monospace, SFMono-Regular, Menlo, monospace; color: #b7cbc3; min-height: 300px; }
.terminal-body .prompt { color: var(--accent-2); }
.terminal-body .value { color: var(--accent); }
.terminal-body .comment { color: #597269; }
.cursor { display: inline-block; width: 8px; height: 16px; background: var(--accent); vertical-align: middle; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.section { padding: 76px 0; }
.section.alt { border-block: 1px solid var(--line); background: rgba(255,255,255,.012); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 35px; }
.section-kicker { margin: 0 0 8px; color: var(--accent-2); text-transform: uppercase; letter-spacing: .14em; font: 700 11px ui-monospace, monospace; }
.section h2, .page-hero h1 { margin: 0; font-size: clamp(34px, 5vw, 54px); letter-spacing: -.045em; line-height: 1.08; }
.section-head > p { color: var(--muted); max-width: 470px; margin: 0; }
.text-link { color: var(--accent); font-weight: 700; font-size: 14px; white-space: nowrap; }

.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { position: relative; background: linear-gradient(145deg, rgba(19, 40, 34, .8), rgba(10, 24, 20, .65)); border: 1px solid var(--line); border-radius: var(--radius); transition: .25s ease; overflow: hidden; }
.card:hover { transform: translateY(-5px); border-color: var(--line-strong); box-shadow: 0 22px 50px rgba(0,0,0,.2); }
.article-card { min-height: 330px; padding: 24px; display: flex; flex-direction: column; }
.article-card.featured { grid-column: span 2; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tag { display: inline-flex; padding: 5px 9px; border-radius: 999px; color: var(--accent-2); background: rgba(92, 242, 200, .08); font: 650 11px ui-monospace, monospace; }
.read-time, .date { color: var(--muted); font-size: 12px; }
.article-card h3 { font-size: 24px; letter-spacing: -.025em; line-height: 1.2; margin: 36px 0 12px; }
.article-card.featured h3 { font-size: 31px; max-width: 570px; }
.article-card p { color: var(--muted); margin: 0; font-size: 14px; }
.card-bottom { margin-top: auto; padding-top: 30px; display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 13px; }
.arrow { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; color: var(--accent); transition: .2s; }
.card:hover .arrow { transform: rotate(-45deg); background: var(--accent); color: #10200c; }

.stack-grid { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.stack-item { display: grid; grid-template-columns: 52px 1fr; gap: 17px; padding: 27px; border-bottom: 1px solid var(--line); }
.stack-item:nth-child(odd) { border-right: 1px solid var(--line); }
.stack-item:nth-last-child(-n+2) { border-bottom: 0; }
.stack-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 13px; background: rgba(184, 242, 92, .08); color: var(--accent); font: 700 16px ui-monospace, monospace; }
.stack-item h3 { margin: 0 0 4px; font-size: 17px; }
.stack-item p { margin: 0; color: var(--muted); font-size: 13px; }

.project-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.project-card { padding: 28px; min-height: 260px; }
.project-number { color: var(--accent); font: 700 12px ui-monospace, monospace; }
.project-card h3 { font-size: 25px; margin: 36px 0 9px; }
.project-card p { color: var(--muted); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 28px; }
.chip { padding: 5px 9px; border: 1px solid var(--line); border-radius: 6px; color: #a8bbb4; font: 11px ui-monospace, monospace; }

.newsletter { padding: 55px; border-radius: 24px; background: var(--accent); color: #10200c; display: flex; justify-content: space-between; align-items: center; gap: 35px; }
.newsletter h2 { font-size: clamp(30px, 4vw, 46px); max-width: 600px; }
.newsletter p { margin: 12px 0 0; opacity: .72; }
.newsletter .button { color: #10200c; border-color: rgba(16,32,12,.3); background: rgba(255,255,255,.22); }

.page-hero { padding: 88px 0 55px; }
.page-hero p { color: var(--muted); font-size: 18px; max-width: 650px; margin: 18px 0 0; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 35px; }
.filter { border: 1px solid var(--line); color: var(--muted); background: var(--panel); padding: 8px 13px; border-radius: 999px; cursor: pointer; font-size: 13px; }
.filter.active, .filter:hover { color: #10200c; background: var(--accent); border-color: var(--accent); }
.all-articles { grid-template-columns: repeat(3, 1fr); }
.all-articles .article-card { min-height: 315px; }
.article-card.hidden { display: none; }

.about-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 70px; align-items: start; }
.portrait { aspect-ratio: 4/5; border: 1px solid var(--line-strong); border-radius: 24px; background: radial-gradient(circle at 50% 28%, rgba(184,242,92,.23), transparent 25%), linear-gradient(135deg, #152c25, #081512); display: grid; place-items: center; position: sticky; top: 105px; overflow: hidden; }
.portrait::after { content: "S"; font-size: min(26vw, 260px); font-weight: 850; color: rgba(237,248,242,.045); line-height: 1; }
.portrait-code { position: absolute; inset: auto 20px 20px; padding: 15px; font: 11px/1.7 ui-monospace, monospace; color: var(--accent-2); background: rgba(7,17,15,.75); border: 1px solid var(--line); border-radius: 11px; backdrop-filter: blur(8px); }
.prose-lead { font-size: 24px; line-height: 1.5; letter-spacing: -.02em; }
.about-copy p { color: var(--muted); }
.timeline { margin-top: 50px; border-left: 1px solid var(--line-strong); padding-left: 25px; }
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before { content: ""; position: absolute; left: -30px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px var(--bg); }
.timeline-item time { color: var(--accent-2); font: 12px ui-monospace, monospace; }
.timeline-item h3 { margin: 5px 0; }

.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 220px; gap: 75px; align-items: start; }
.article-header { padding: 80px 0 55px; max-width: 890px; }
.article-header h1 { margin: 17px 0 20px; font-size: clamp(40px, 6vw, 68px); line-height: 1.05; letter-spacing: -.052em; }
.article-header p { color: var(--muted); font-size: 19px; }
.article-meta { display: flex; gap: 18px; color: var(--muted); font-size: 13px; }
.article-body { color: #c3d4cd; font-size: 17px; }
.article-body h2 { color: var(--text); font-size: 29px; letter-spacing: -.025em; margin: 52px 0 16px; }
.article-body h3 { color: var(--text); margin-top: 33px; }
.article-body p { margin: 0 0 22px; }
.article-body code { color: var(--accent); background: rgba(184,242,92,.08); padding: 2px 5px; border-radius: 5px; font: .88em ui-monospace, monospace; }
.code-block { padding: 22px; border: 1px solid var(--line); border-radius: 13px; overflow-x: auto; background: #07100e; color: #b9cec5; font: 13px/1.8 ui-monospace, monospace; margin: 25px 0; }
.code-block .kw { color: var(--accent-2); }.code-block .str { color: var(--warm); }.code-block .cm { color: #557067; }
.article-aside { position: sticky; top: 105px; border-left: 1px solid var(--line); padding-left: 20px; }
.article-aside strong { font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.article-aside a { display: block; color: var(--muted); font-size: 13px; margin-top: 12px; }
.article-aside a:hover { color: var(--accent); }
.reading-progress { position: fixed; z-index: 30; left: 0; top: 0; height: 2px; width: 0; background: var(--accent); }

.site-footer { border-top: 1px solid var(--line); margin-top: 70px; padding: 36px 0; color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.social-links { display: flex; gap: 19px; }
.social-links a:hover { color: var(--accent); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .hero-grid, .about-grid, .article-layout { grid-template-columns: 1fr; }
  .hero { padding-top: 70px; }.terminal { max-width: 530px; transform: none; }
  .article-grid, .all-articles { grid-template-columns: repeat(2, 1fr); }.article-card.featured { grid-column: span 2; }
  .article-aside { display: none; }.portrait { position: relative; top: 0; max-width: 390px; }
}
@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; left: 14px; right: 14px; top: 68px; padding: 10px; flex-direction: column; align-items: stretch; background: #0c1a17; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 20px 50px rgba(0,0,0,.35); }
  .nav-links.open { display: flex; }.nav-links a { text-align: center; }.nav-links .nav-cta { margin-left: 0; }
  .hero h1 { font-size: 50px; }.hero { padding: 58px 0; }.hero-grid { gap: 46px; }
  .section { padding: 56px 0; }.section-head { display: block; }.section-head > p, .section-head > a { margin-top: 14px; display: block; }
  .article-grid, .all-articles, .project-grid, .stack-grid { grid-template-columns: 1fr; }
  .article-card.featured { grid-column: auto; }.article-card.featured h3 { font-size: 25px; }
  .stack-item:nth-child(odd) { border-right: 0; }.stack-item:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .newsletter { padding: 35px 25px; display: block; }.newsletter .button { margin-top: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }.reveal { opacity: 1; transform: none; } }