/* =========================================================
   Kanjan AI — Minimal Typewriter Theme
   Pure black & white. No gradients. Monospace type.
   ========================================================= */

:root {
  --paper: #ffffff;
  --ink: #111111;
  --ink-soft: #444444;
  --ink-faint: #777777;
  --line: #111111;
  --line-soft: #e2e2e2;
  --invert-bg: #111111;
  --invert-ink: #ffffff;
  --maxw: 900px;
  --gap: 1.5rem;
  --mono: "Courier Prime", "JetBrains Mono", "Courier New", monospace;
  --type: "Special Elite", "Courier Prime", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

section { padding: 5rem 0; border-bottom: 1px solid var(--line-soft); }
section:last-of-type { border-bottom: none; }

/* ---------- Type ---------- */
h1, h2, h3, h4 { font-family: var(--type); font-weight: 400; line-height: 1.25; letter-spacing: 0.02em; }
h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.2rem); margin-bottom: 1.5rem; }
h3 { font-size: 1.15rem; }
p { margin-bottom: 1rem; color: var(--ink-soft); }
a { color: var(--ink); text-decoration: none; }
strong { font-weight: 700; color: var(--ink); }

.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.35em;
  font-size: 0.72rem;
  color: var(--ink-faint);
  margin-bottom: 1.25rem;
  display: block;
}

.blink { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Header / Nav ---------- */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.brand {
  font-family: var(--type);
  font-size: 1.15rem; letter-spacing: 0.05em;
  display: inline-flex; align-items: center; gap: 0.55rem;
}
.brand .dot { width: 9px; height: 9px; background: var(--ink); display: inline-block; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; }
.nav-links a {
  font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--ink-soft); position: relative; padding: 0.25rem 0;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 1px;
  width: 0; background: var(--ink); transition: width 0.2s ease;
}
.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none; background: none; border: 1px solid var(--line);
  color: var(--ink); width: 42px; height: 42px; cursor: pointer; font-size: 1.1rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--mono); font-size: 0.82rem;
  text-transform: uppercase; letter-spacing: 0.15em;
  padding: 0.85rem 1.5rem; border: 1px solid var(--ink);
  background: var(--paper); color: var(--ink);
  cursor: pointer; transition: background 0.18s ease, color 0.18s ease;
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn.solid { background: var(--ink); color: var(--paper); }
.btn.solid:hover { background: var(--paper); color: var(--ink); }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---------- Hero ---------- */
.hero { padding: 7rem 0 6rem; }
.hero .eyebrow { margin-bottom: 1.5rem; }
.hero h1 { margin-bottom: 1.5rem; }
.hero h1 .cursor { color: var(--ink); }
.hero p.lead { font-size: 1.05rem; max-width: 640px; }
.meta-line {
  margin-top: 2.5rem; display: flex; flex-wrap: wrap; gap: 1.25rem 2rem;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--ink-faint);
}
.meta-line span { display: inline-flex; align-items: center; gap: 0.55rem; }

/* ---------- Apps grid ---------- */
.grid { display: grid; gap: 1.25rem; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  border: 1px solid var(--line); padding: 1.75rem;
  background: var(--paper); display: flex; flex-direction: column;
  transition: transform 0.18s ease;
}
.card:hover { transform: translateY(-4px); }
.card .ico {
  width: 48px; height: 48px; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1.25rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card .tag {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.2em;
  color: var(--ink-faint); margin-bottom: 1rem;
}
.card p { font-size: 0.9rem; margin-bottom: 1.25rem; flex-grow: 1; }
.card .card-link {
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.15em;
  display: inline-flex; align-items: center; gap: 0.5rem;
  border-bottom: 1px solid var(--ink); padding-bottom: 2px; align-self: flex-start;
}
.card .card-link:hover { gap: 0.85rem; }

/* ---------- Services list ---------- */
.list { list-style: none; }
.list li {
  display: flex; gap: 1.25rem; padding: 1.5rem 0;
  border-bottom: 1px solid var(--line-soft);
}
.list li:last-child { border-bottom: none; }
.list li .num {
  font-family: var(--type); font-size: 1.1rem; color: var(--ink-faint);
  min-width: 2.5rem;
}
.list li h3 { margin-bottom: 0.35rem; }
.list li p { font-size: 0.9rem; margin: 0; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.stat-row { display: flex; gap: 2.5rem; margin-top: 2rem; }
.stat .n { font-family: var(--type); font-size: 2.2rem; }
.stat .l { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--ink-faint); }

/* ---------- Contact ---------- */
.contact-box { border: 1px solid var(--line); padding: 3rem; text-align: center; }
.contact-box .email {
  font-family: var(--type); font-size: clamp(1.3rem, 4vw, 2rem);
  display: inline-block; margin: 1rem 0 2rem; border-bottom: 1px solid var(--ink);
  padding-bottom: 4px; word-break: break-all;
}
.social { display: flex; justify-content: center; gap: 1rem; margin-top: 2.25rem; }
.social a {
  width: 46px; height: 46px; border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center; font-size: 1.05rem;
  transition: background 0.18s ease, color 0.18s ease;
}
.social a:hover { background: var(--ink); color: var(--paper); }

/* ---------- Footer ---------- */
footer.site {
  border-top: 1px solid var(--line); padding: 3rem 0 2.5rem;
}
.foot-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
.foot-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.foot-links a { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-soft); }
.foot-links a:hover { color: var(--ink); text-decoration: underline; }
.foot-note { margin-top: 2rem; font-size: 0.75rem; color: var(--ink-faint); }

/* ---------- Legal / doc pages ---------- */
.doc { padding: 4rem 0 5rem; }
.doc h1 { margin-bottom: 0.75rem; }
.doc .updated { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--ink-faint); margin-bottom: 3rem; }
.doc h2 { font-size: 1.35rem; margin: 2.75rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--line-soft); }
.doc h3 { margin: 1.75rem 0 0.6rem; }
.doc p, .doc li { color: var(--ink-soft); font-size: 0.95rem; }
.doc ul, .doc ol { margin: 0.5rem 0 1.25rem 1.5rem; }
.doc li { margin-bottom: 0.5rem; }
.doc a { border-bottom: 1px solid var(--ink); }
.toc { border: 1px solid var(--line); padding: 1.75rem; margin-bottom: 3rem; }
.toc p { font-family: var(--type); margin-bottom: 0.75rem; color: var(--ink); }
.toc ol { margin: 0 0 0 1.25rem; }
.toc li { margin-bottom: 0.35rem; font-size: 0.9rem; }
.toc a { color: var(--ink-soft); border: none; }
.toc a:hover { color: var(--ink); }

.back-link {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.15em;
  margin-bottom: 2rem; color: var(--ink-soft);
}
.back-link:hover { color: var(--ink); }

/* ---------- 404 ---------- */
.center-screen {
  min-height: 70vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
}
.center-screen .code { font-family: var(--type); font-size: clamp(4rem, 15vw, 8rem); line-height: 1; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height 0.25s ease;
  }
  .nav-links.open { max-height: 340px; }
  .nav-links li { width: 100%; border-top: 1px solid var(--line-soft); }
  .nav-links a { display: block; padding: 1rem 1.5rem; width: 100%; }
  .nav-links a::after { display: none; }
  .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .contact-box { padding: 2rem 1.25rem; }
  section { padding: 3.5rem 0; }
  .hero { padding: 4rem 0; }
  .stat-row { gap: 1.5rem; }
}

::selection { background: var(--ink); color: var(--paper); }