:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --text: #11141b;
  --muted: #566074;
  --border: #e4e7ee;
  --accent: #b6e51d;
  --accent-2: #7bb800;
  --accent-text: #4d7000;
  --on-accent: #11141b;
  --grad-from: #4d7000;
  --grad-to: #86b800;
  --code-bg: #0f1220;
  --radius: 16px;
  --max: 1120px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --surface: #12151d;
    --text: #eef1f7;
    --muted: #9aa4b8;
    --border: #1f2431;
    --accent: #b6e51d;
    --accent-2: #8fd100;
    --accent-text: #b6e51d;
    --grad-from: #b6e51d;
    --grad-to: #7be07a;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.3rem, 5.5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 2rem; }
h3 { font-size: 1.15rem; }

.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px max(20px, calc((100vw - var(--max)) / 2));
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.nav.scrolled { border-bottom-color: var(--border); }
.nav nav { display: flex; align-items: center; gap: 24px; }
.nav nav a { text-decoration: none; color: var(--muted); font-size: .95rem; font-weight: 500; }
.nav nav a:hover { color: var(--text); }
.logo { text-decoration: none; font-weight: 600; font-size: 1.15rem; display: flex; align-items: center; gap: 8px; }
.logo b { color: var(--accent-text); }
.logo-mark {
  font-family: "JetBrains Mono", monospace; font-size: .8rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; padding: 4px 7px; border-radius: 8px;
}

.btn {
  display: inline-block; padding: 12px 22px; border-radius: 999px;
  background: var(--accent); color: var(--on-accent) !important; font-weight: 600;
  text-decoration: none; border: 1px solid transparent;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 40%, transparent); }
.btn-small { padding: 8px 16px; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--text) !important; border-color: var(--border); }
.btn-ghost:hover { box-shadow: none; border-color: var(--accent); }

main > section { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.section { padding-top: 96px !important; }
.eyebrow { color: var(--accent-text); font-size: .8rem; text-transform: uppercase; letter-spacing: .12em; margin: 0 0 12px; }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 56ch; }

.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; padding-top: 72px !important; }
.grad { background: linear-gradient(120deg, var(--grad-from), var(--grad-to)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }

.hero-code { background: var(--code-bg); border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(182,229,29,.28); overflow: hidden; border: 1px solid #23283b; }
.code-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; background: #161a2b; }
.code-bar i { width: 10px; height: 10px; border-radius: 50%; background: #3a4060; }
.code-bar i:nth-child(1) { background: #ff5f57; } .code-bar i:nth-child(2) { background: #febc2e; } .code-bar i:nth-child(3) { background: #28c840; }
.code-bar span { margin-left: 10px; color: #7d86a6; font-size: .8rem; }
.hero-code pre { margin: 0; padding: 22px; color: #d7dcf0; font-size: .85rem; line-height: 1.7; overflow-x: auto; }
.c { color: #6c7596; } .k { color: #c792ea; } .f { color: #82aaff; } .p { color: #7fdbca; } .s { color: #ecc48d; }
.cursor { animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 72px !important; }
.stats div { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.stats strong { display: block; font-size: 2rem; letter-spacing: -0.02em; }
.stats span { color: var(--muted); font-size: .9rem; }

.grid { display: grid; gap: 20px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.projects { grid-template-columns: repeat(3, 1fr); }
.card, .project {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: transform .2s, border-color .2s;
}
.card:hover, .project:hover { transform: translateY(-4px); border-color: var(--accent); }
.card p, .project p { color: var(--muted); margin: 10px 0 0; }
.icon { width: 44px; height: 44px; display: grid; place-items: center; font-size: 1.3rem; border-radius: 12px; margin-bottom: 16px;
  background: color-mix(in srgb, var(--accent) 22%, transparent); color: var(--accent-text); }
.tag { display: inline-block; font-size: .72rem; color: var(--accent-text); margin-bottom: 12px; }
.project.placeholder { border-style: dashed; background: transparent; }
.link { display: inline-block; margin-top: 14px; color: var(--accent-text); font-weight: 600; text-decoration: none; }
.sub { margin: 56px 0 16px; }
.clients { display: flex; flex-wrap: wrap; gap: 12px; }
.clients span { padding: 10px 18px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); }
.client-empty { color: var(--muted); border-style: dashed !important; background: transparent !important; }

.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; gap: 24px; padding: 22px 0; border-top: 1px solid var(--border); }
.list li:last-child { border-bottom: 1px solid var(--border); }
.date { color: var(--muted); font-size: .85rem; min-width: 80px; padding-top: 3px; }

.about { max-width: 760px !important; }
.about p { color: var(--muted); }
.badges { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; align-self: start; }
.badges ul { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 12px; color: var(--muted); }
.badges li::before { content: "✓ "; color: var(--accent-2); font-weight: 700; }

.contact { text-align: center; }
.contact .lead { margin: 0 auto 28px; }
.contact h2 { margin-bottom: 16px; }
.small { margin-top: 20px; color: var(--muted); }

.footer { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; max-width: var(--max); margin: 96px auto 0; padding: 28px 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: .9rem; }
.footer a { text-decoration: none; }

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

@media (max-width: 860px) {
  .hero, .about { grid-template-columns: 1fr; }
  .cards, .projects { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .nav nav a:not(.btn) { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .cursor { animation: none; }
}

/* AI focus */
.feature {
  position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px;
  padding: 36px; margin-bottom: 20px; border-radius: calc(var(--radius) + 4px);
  border: 2px solid transparent;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(120deg, var(--accent), var(--accent-2)) border-box;
  box-shadow: 0 20px 50px -24px color-mix(in srgb, var(--accent) 55%, transparent);
}
.feature h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 12px 0; }
.feature p { color: var(--muted); margin: 0 0 22px; }
.badge {
  display: inline-block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em;
  padding: 4px 12px; border-radius: 999px; color: var(--on-accent);
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
}
.feature-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; align-content: center; }
.feature-list li { display: grid; padding-left: 16px; border-left: 2px solid var(--accent-2); }
.feature-list b { font-weight: 600; }
.feature-list span { color: var(--muted); font-size: .92rem; }
@media (max-width: 860px) { .feature { grid-template-columns: 1fr; padding: 26px; } }

.stack { font-size: .78rem; color: var(--accent-text) !important; margin-top: 14px !important; }

/* companies: single line on desktop */
.clients { flex-wrap: nowrap; gap: 8px; justify-content: space-between; }
.clients span { padding: 8px 14px; font-size: .9rem; white-space: nowrap; }
@media (max-width: 1160px) { .clients { flex-wrap: wrap; justify-content: flex-start; } }

/* Vaivera */
.vaivera {
  border: 1px solid var(--border); border-radius: calc(var(--radius) + 4px);
  background:
    radial-gradient(60% 80% at 100% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    var(--surface);
  padding: 36px; display: grid; gap: 32px;
}
.vaivera-head { display: grid; grid-template-columns: 1.2fr .8fr; gap: 32px; align-items: center; }
.vaivera-head h3 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin: 12px 0; }
.vaivera-head p { color: var(--muted); margin: 0 0 22px; }
.flow { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; font-size: .8rem; }
.flow span { padding: 10px 14px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg); }
.flow span.on { color: var(--on-accent); border-color: transparent; background: linear-gradient(120deg, var(--accent), var(--accent-2)); }
.flow i { color: var(--muted); font-style: normal; }
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.pillars div { padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg); }
.pillars h4, .vaivera-meta h4 { margin: 0 0 8px; font-size: 1rem; }
.pillars p { margin: 0; color: var(--muted); font-size: .92rem; }
.vaivera-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.vaivera-meta ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; color: var(--muted); font-size: .92rem; }
.vaivera-meta li::before { content: "→ "; color: var(--accent-2); }
@media (max-width: 960px) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 860px) { .vaivera { padding: 24px; } .vaivera-head, .vaivera-meta { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .pillars { grid-template-columns: 1fr; } }

/* logo image */
.logo-img { display: block; height: 34px; width: auto; }