:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #21262d;
  --border: #30363d;
  --border-bright: #484f58;
  --text: #f0f6fc;
  --muted: #8b949e;
  --soft: #b1bac4;
  --green: #3fb950;
  --green-strong: #2ea043;
  --blue: #58a6ff;
  --danger: #ff7b72;
  --shadow: 0 24px 80px rgba(0, 0, 0, .34);
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  overflow-x: hidden;
  background: radial-gradient(circle at 82% 0, rgba(31, 111, 235, .13), transparent 32rem), var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--mono);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--text); color: var(--bg); border-radius: 8px; }
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 4px; }

.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(48, 54, 61, .85); background: rgba(13, 17, 23, .84); backdrop-filter: blur(18px); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; color: var(--green); font-size: 1.16rem; }
.brand-mark { letter-spacing: -.04em; }
.brand-name { color: var(--text); font-size: .88rem; letter-spacing: .03em; }
.desktop-nav { display: flex; align-items: center; gap: 24px; color: var(--muted); font-size: .86rem; }
.desktop-nav a:hover, .desktop-nav a:focus-visible, .desktop-nav [aria-current="page"] { color: var(--text); }
.desktop-nav [aria-current="page"]::before { content: "./"; color: var(--green); }
.lang-link { padding: 5px 9px; border: 1px solid var(--border); border-radius: 7px; color: var(--blue) !important; }
.mobile-menu { display: none; position: relative; }
.mobile-menu summary { display: grid; gap: 5px; width: 42px; height: 42px; place-content: center; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary span { width: 19px; height: 2px; background: var(--soft); }
.mobile-menu nav { position: absolute; right: 0; top: 50px; min-width: 220px; padding: 8px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); box-shadow: var(--shadow); }
.mobile-menu nav a { display: block; padding: 11px 12px; border-radius: 6px; color: var(--soft); }
.mobile-menu nav a:hover { background: var(--panel-2); color: var(--text); }

.eyebrow { margin: 0 0 14px; color: var(--green); font-size: .79rem; text-transform: uppercase; letter-spacing: .09em; }
.hero { min-height: calc(100vh - 73px); display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); align-items: center; gap: 72px; padding-block: 80px; }
.hero h1, .page-hero h1, .project-hero h1, .empty-state h1 { margin: .28em 0; font: 750 clamp(2.5rem, 6vw, 5.5rem)/1.02 var(--sans); letter-spacing: -.055em; text-wrap: balance; }
.hero-lead, .page-lead { max-width: 720px; color: var(--soft); font: 400 clamp(1rem, 1.8vw, 1.25rem)/1.75 var(--sans); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px; padding: 0 18px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-weight: 700; font-size: .88rem; cursor: pointer; transition: background .18s ease, border-color .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: #238636; border-color: var(--green-strong); color: #fff; }
.button-primary:hover { background: var(--green-strong); }
.button-secondary { background: var(--panel); }
.button-secondary:hover { border-color: var(--border-bright); }
.text-link { color: var(--blue); font-size: .88rem; white-space: nowrap; }
.text-link:hover span { display: inline-block; transform: translateX(3px); }

.terminal { overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: rgba(22, 27, 34, .93); box-shadow: var(--shadow); transform: rotate(1deg); }
.terminal-bar, .window-bar { display: flex; align-items: center; gap: 7px; height: 44px; padding: 0 15px; border-bottom: 1px solid var(--border); background: var(--panel-2); color: var(--muted); font-size: .75rem; }
.terminal-bar i, .window-bar i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f56; }
.terminal-bar i:nth-child(2), .window-bar i:nth-child(2) { background: #ffbd2e; }
.terminal-bar i:nth-child(3), .window-bar i:nth-child(3) { background: #27c93f; }
.terminal-bar span, .window-bar span { margin-left: auto; margin-right: auto; }
.terminal-body { min-height: 300px; padding: 24px 26px; color: #c9d1d9; }
.terminal-body p { margin: 0 0 10px; }
.terminal-body b { color: var(--blue); }
.terminal-body .output { margin: -7px 0 20px 18px; color: var(--muted); }
.terminal-body .success { color: var(--green); }
.cursor { display: inline-block; opacity: 1; -webkit-animation: cursor-blink 1.08s steps(1, end) infinite; animation: cursor-blink 1.08s steps(1, end) infinite; }
@-webkit-keyframes cursor-blink { 50% { opacity: 0; } }
@keyframes cursor-blink { 50% { opacity: 0; } }

.section { padding-block: 100px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 36px; margin-bottom: 38px; }
.section-heading h2, .cta-band h2 { max-width: 780px; margin: 0; font: 720 clamp(2rem, 4vw, 3.4rem)/1.12 var(--sans); letter-spacing: -.04em; text-wrap: balance; }
.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.project-card { --accent: var(--blue); position: relative; min-height: 350px; overflow: hidden; padding: 28px; border: 1px solid var(--border); border-radius: 12px; background: linear-gradient(150deg, rgba(255,255,255,.022), transparent 50%), var(--panel); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.project-card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 18px 44px rgba(0,0,0,.24); }
.card-hit { position: absolute; inset: 0; z-index: 1; }
.project-code { display: grid; width: 70px; height: 70px; place-items: center; margin-bottom: 42px; border: 1px solid color-mix(in srgb, var(--accent) 40%, var(--border)); border-radius: 12px; background: color-mix(in srgb, var(--accent) 8%, var(--panel)); color: var(--accent); font-weight: 800; font-size: .9rem; }
.card-meta { display: flex; justify-content: space-between; color: var(--accent); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
.project-card h3 { margin: 10px 0 8px; font: 720 1.55rem/1.2 var(--sans); letter-spacing: -.025em; }
.project-card p { margin: 0; color: var(--muted); font: .94rem/1.65 var(--sans); }
.tag-list, .stack-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 22px 0 0; padding: 0; list-style: none; }
.tag-list li, .stack-list li { padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--soft); font-size: .7rem; }
.accent-green { --accent: #3fb950; } .accent-blue { --accent: #58a6ff; } .accent-purple { --accent: #bc8cff; } .accent-orange { --accent: #f0883e; }
.accent-cyan { --accent: #39c5cf; } .accent-yellow { --accent: #d29922; } .accent-pink { --accent: #f778ba; } .accent-lime { --accent: #7ee787; }

.expertise-grid, .principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.expertise-grid article, .principle-grid article { min-height: 250px; padding: 30px; background: rgba(22,27,34,.58); }
.expertise-grid article + article, .principle-grid article + article { border-left: 1px solid var(--border); }
.expertise-grid span { color: var(--green); font-size: .76rem; }
.expertise-grid h3, .principle-grid h3 { margin: 56px 0 12px; font: 700 1.22rem/1.25 var(--sans); }
.expertise-grid p, .principle-grid p { color: var(--muted); font: .92rem/1.65 var(--sans); }
.cta-band { padding-block: 100px; border-block: 1px solid var(--border); background: linear-gradient(120deg, rgba(35,134,54,.11), rgba(31,111,235,.08)); }
.cta-band .container { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 20px; }
.cta-band .eyebrow { grid-column: 1 / -1; }

.page-hero { padding-block: 120px 70px; }
.page-hero h1 { max-width: 950px; font-size: clamp(2.8rem, 6vw, 5.2rem); }
.about-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: start; }
.about-copy { font: clamp(1.08rem, 2vw, 1.3rem)/1.85 var(--sans); color: var(--soft); }
.about-copy p:first-child { margin-top: 0; color: var(--text); }
.profile-panel { position: sticky; top: 110px; padding: 30px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel); }
.profile-logo { padding: 50px 20px; border: 1px solid var(--border); border-radius: 9px; background: var(--bg); color: var(--green); text-align: center; font-size: clamp(2.2rem, 5vw, 4rem); font-weight: 800; }
.profile-panel dl { margin: 26px 0 0; }
.profile-panel dl div { display: grid; grid-template-columns: 100px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--border); }
.profile-panel dt { color: var(--muted); font-size: .76rem; }
.profile-panel dd { margin: 0; color: var(--soft); font-size: .8rem; }
.principle-grid h3 { margin-top: 0; }

.archive-group + .archive-group { margin-top: 90px; }
.archive-heading { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 15px; margin-bottom: 24px; }
.archive-heading span { color: var(--green); font-size: .72rem; }
.archive-heading h2 { margin: 0; font: 680 1.2rem var(--sans); }
.archive-heading i { height: 1px; background: var(--border); }

.project-hero { min-height: 680px; display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 70px; padding-block: 90px; }
.project-hero h1 { font-size: clamp(3rem, 6vw, 5.3rem); }
.back-link { display: inline-block; margin-bottom: 55px; color: var(--muted); font-size: .82rem; }
.back-link:hover { color: var(--text); }
.project-hero .eyebrow { color: var(--accent); }
.product-window { overflow: hidden; border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border)); border-radius: 14px; background: var(--panel); box-shadow: var(--shadow); transform: perspective(900px) rotateY(-3deg) rotateX(2deg); }
.window-grid { min-height: 420px; display: grid; grid-template-columns: 105px 1fr; }
.window-grid aside { display: flex; flex-direction: column; gap: 18px; padding: 24px 18px; border-right: 1px solid var(--border); background: #11161c; }
.window-grid aside b { margin-bottom: 16px; color: var(--accent); }
.window-grid aside span { height: 8px; border-radius: 4px; background: var(--border); }
.window-main { padding: 28px; }
.metric-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.metric-row i { height: 74px; border: 1px solid var(--border); border-radius: 8px; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent); }
.chart { height: 170px; display: flex; align-items: end; gap: 8px; margin: 20px 0; padding: 20px; border: 1px solid var(--border); border-radius: 8px; }
.chart span { flex: 1; height: 35%; border-radius: 4px 4px 0 0; background: color-mix(in srgb, var(--accent) 55%, var(--panel-2)); }
.chart span:nth-child(2) { height: 55%; } .chart span:nth-child(3) { height: 43%; } .chart span:nth-child(4) { height: 72%; } .chart span:nth-child(5) { height: 64%; } .chart span:nth-child(6) { height: 88%; }
.fake-list { display: grid; gap: 10px; }
.fake-list i { height: 26px; border: 1px solid var(--border); border-radius: 5px; background: var(--panel-2); }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.case-grid h2 { margin: 0 0 18px; font: 700 2rem var(--sans); }
.case-grid p:last-child { color: var(--soft); font: 1.06rem/1.85 var(--sans); }
.feature-list { margin: 0; padding: 0; border-top: 1px solid var(--border); list-style: none; }
.feature-list li { display: grid; grid-template-columns: 90px 1fr; align-items: center; min-height: 86px; border-bottom: 1px solid var(--border); }
.feature-list span { color: var(--green); font-size: .74rem; }
.feature-list b { font: 650 clamp(1rem,2vw,1.25rem) var(--sans); }
.stack-list { margin-top: 20px; }
.stack-list li { padding: 9px 13px; color: var(--text); font-size: .78rem; }
.privacy-note { max-width: 760px; margin-top: 32px; padding-left: 16px; border-left: 2px solid var(--border-bright); color: var(--muted); font: .86rem/1.65 var(--sans); }

.contact-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: start; }
.contact-copy h2 { margin: 0 0 18px; font: 700 2rem var(--sans); }
.contact-copy > p:not(.eyebrow) { color: var(--muted); font: 1rem/1.7 var(--sans); }
.social-list { margin-top: 45px; border-top: 1px solid var(--border); }
.social-list a { display: flex; justify-content: space-between; padding: 14px 2px; border-bottom: 1px solid var(--border); color: var(--soft); font-size: .84rem; }
.social-list a:hover { color: var(--blue); }
.contact-form { padding: 30px; border: 1px solid var(--border); border-radius: 12px; background: var(--panel); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label { display: block; margin-bottom: 7px; color: var(--soft); font-size: .79rem; }
.field label span { color: var(--green); }
.field input, .field textarea { width: 100%; border: 1px solid var(--border); border-radius: 7px; background: var(--bg); color: var(--text); padding: 12px 13px; font: .92rem/1.5 var(--sans); }
.field input:focus, .field textarea:focus { border-color: var(--blue); outline: 1px solid var(--blue); }
.field textarea { resize: vertical; min-height: 160px; }
.field-help { margin-top: 5px; color: var(--muted); font-size: .7rem; }
.field-error { display: block; margin-top: 5px; color: var(--danger); font-size: .73rem; }
.form-notice { margin-bottom: 20px; padding: 12px 14px; border: 1px solid; border-radius: 7px; font: .82rem/1.55 var(--sans); }
.form-notice.error { border-color: rgba(255,123,114,.45); background: rgba(248,81,73,.08); color: #ffa198; }
.form-notice.success { border-color: rgba(63,185,80,.45); background: rgba(46,160,67,.08); color: #7ee787; }
.hp-field { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); }

.empty-state { min-height: 70vh; padding-block: 130px; }
.empty-state h1 { color: var(--green); font-size: clamp(6rem, 20vw, 13rem); }
.empty-state > p:not(.eyebrow) { color: var(--muted); font: 1.05rem var(--sans); }
.site-footer { padding-block: 60px; border-top: 1px solid var(--border); background: #090c10; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; align-items: end; }
.footer-brand { margin-bottom: 14px; }
.footer-grid p { margin: 0; color: var(--muted); font: .8rem/1.6 var(--sans); }
.footer-links { display: flex; flex-direction: column; gap: 7px; color: var(--soft); font-size: .8rem; }
.footer-links a:hover { color: var(--blue); }
.copyright { text-align: right; }
.copyright span { font-size: .72rem; }

@media (max-width: 900px) {
  .hero, .project-hero { grid-template-columns: 1fr; gap: 55px; }
  .hero { min-height: auto; padding-block: 85px; }
  .project-hero { padding-block: 70px; }
  .product-window { transform: none; }
  .about-layout, .contact-layout { grid-template-columns: 1fr; gap: 50px; }
  .profile-panel { position: static; }
  .expertise-grid, .principle-grid { grid-template-columns: 1fr; }
  .expertise-grid article + article, .principle-grid article + article { border-left: 0; border-top: 1px solid var(--border); }
}

@media (max-width: 680px) {
  .container { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 64px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: block; }
  .hero { padding-block: 68px; }
  .hero h1, .page-hero h1, .project-hero h1 { font-size: clamp(2.55rem, 12vw, 4.5rem); }
  .terminal { transform: none; }
  .actions .button { flex: 1 1 180px; }
  .section, .cta-band { padding-block: 72px; }
  .section-heading { display: block; }
  .section-heading .text-link { display: inline-block; margin-top: 18px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { min-height: 330px; }
  .cta-band .container { grid-template-columns: 1fr; align-items: start; }
  .cta-band .eyebrow { grid-column: auto; }
  .page-hero { padding-block: 82px 35px; }
  .window-grid { min-height: 330px; grid-template-columns: 70px 1fr; }
  .window-grid aside { padding: 20px 12px; }
  .window-main { padding: 16px; }
  .metric-row i { height: 55px; }
  .chart { height: 140px; padding: 12px; }
  .case-grid { grid-template-columns: 1fr; gap: 50px; }
  .feature-list li { grid-template-columns: 50px 1fr; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .copyright { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { -webkit-animation-duration: 1.6s; animation-duration: 1.6s; }
  .button, .project-card { transition: none; }
}