/* ============================
   DEV//STUDIO — minimal mono
   ============================ */
:root {
  --bg: #0a0a0a;
  --bg-alt: #101010;
  --surface: #141414;
  --line: #1f1f1f;
  --line-strong: #2a2a2a;
  --fg: #f2f2f2;
  --muted: #8a8a8a;
  --accent: #c6ff3d;
  --accent-dim: #9bcc2e;
  --radius: 4px;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image:
    radial-gradient(circle at 20% 0%, rgba(198,255,61,0.06), transparent 40%),
    radial-gradient(circle at 80% 100%, rgba(198,255,61,0.04), transparent 40%);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 720px; }

/* ===== HEADER ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
}
.brand {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.5px;
  color: var(--accent);
}
.nav { display: flex; gap: 22px; font-family: var(--mono); font-size: 13px; }
.nav a { color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--fg); }

@media (max-width: 640px) {
  .nav { display: none; }
}

/* ===== HERO ===== */
.hero {
  padding: 120px 0 100px;
  border-bottom: 1px solid var(--line);
}
.kicker {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
h1 {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: -0.03em;
  max-width: 18ch;
  margin-bottom: 28px;
}
.lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 60ch;
  margin-bottom: 40px;
}
.cta {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  padding: 16px 24px;
  background: var(--accent);
  color: #0a0a0a;
  border-radius: var(--radius);
  font-weight: 600;
  transition: transform .2s, background .2s;
}
.cta:hover { background: var(--accent-dim); transform: translateY(-2px); }

/* ===== SECTIONS ===== */
.section { padding: 100px 0; border-bottom: 1px solid var(--line); }
.section.alt { background: var(--bg-alt); }
.section-title {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  font-weight: 500;
}
.section-sub {
  font-size: 1.5rem;
  color: var(--fg);
  margin-bottom: 56px;
  max-width: 50ch;
  letter-spacing: -0.01em;
}

/* ===== GRID ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 860px) { .grid-3 { grid-template-columns: 1fr; } }

/* ===== CARDS ===== */
.card, .demo-card, .price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color .2s, transform .2s;
}
.card:hover, .demo-card:hover, .price-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}
.card-index {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  display: block;
  margin-bottom: 20px;
}
.card h3, .price-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.card p, .demo-card p, .price-card p { color: var(--muted); font-size: 0.95rem; }

/* ===== DEMO ===== */
.demo-card h4 { font-size: 1.1rem; margin: 18px 0 10px; }
.demo-thumb {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius);
  display: flex; align-items: flex-end;
  padding: 16px;
  font-family: var(--mono);
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  border: 1px solid var(--line-strong);
  position: relative;
  overflow: hidden;
}
.thumb-1 { background: linear-gradient(135deg, #2a1810, #6b3410); }
.thumb-2 { background: linear-gradient(135deg, #0f2027, #2c5364); }
.thumb-3 { background: linear-gradient(135deg, #0a0a0a, #1a1a2e);
  background-image:
    linear-gradient(135deg, #0a0a0a, #1a1a2e),
    repeating-linear-gradient(0deg, rgba(198,255,61,.08) 0 1px, transparent 1px 24px);
}
.link {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  display: inline-block;
  margin-top: 18px;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.link:hover { border-color: var(--accent); }

/* ===== PRICING ===== */
.price-card .tag {
  font-family: var(--mono); font-size: 12px;
  color: var(--muted); margin-bottom: 16px;
}
.price-card .price {
  font-family: var(--mono);
  font-size: 2rem;
  color: var(--fg);
  margin: 8px 0 18px;
  letter-spacing: -0.02em;
}
.price-card .price span { font-size: 1rem; color: var(--muted); }
.price-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(198,255,61,0.05), var(--surface));
}
.price-card.featured .tag { color: var(--accent); }

/* ===== TIMELINE ===== */
.timeline { list-style: none; position: relative; padding-left: 28px; max-width: 720px; }
.timeline::before {
  content: ''; position: absolute; left: 11px; top: 8px; bottom: 8px;
  width: 1px; background: var(--line-strong);
}
.timeline li {
  display: flex; gap: 24px; padding: 18px 0 26px;
  position: relative;
}
.timeline .step {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  background: var(--bg-alt);
  border: 1px solid var(--line-strong);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  margin-left: -34px;
}
.timeline h4 { font-size: 1.1rem; margin-bottom: 6px; }
.timeline p { color: var(--muted); }

/* ===== CONTACT ===== */
.contact-cta { display: inline-block; }
.form-note {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 18px;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 32px 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ===== REVEAL ===== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }