/* medeina.ai — minimal landing, visionary tone, ~1 screen */

:root {
  --bg: #efece2;
  --bg-soft: #e8e4d6;
  --ink: #1a1e17;
  --ink-2: #4a5148;
  --ink-3: #8a8f83;
  --line: #d4cfbe;
  --line-soft: #e0dbc9;
  --accent: #2d3d2a;

  --f-sans: "Geist", "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-mono: "Geist Mono", "JetBrains Mono", ui-monospace, Menlo, monospace;
  --f-disp: "Instrument Serif", "Georgia", serif;

  --max: 1160px;
  --pad: 32px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); width: 100%; }
.mono { font-family: var(--f-mono); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- NAV ---------- */
.nav {
  padding: 36px 0;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: flex; align-items: center; gap: 14px;
  font-size: 22px; letter-spacing: -0.02em; font-weight: 500;
  color: var(--ink);
}
.brand svg { height: 56px; width: auto; display: block; }
.nav-right { display: flex; align-items: center; gap: 22px; }
.nav-right a {
  font-family: var(--f-mono); font-size: 12px;
  color: var(--ink-2); letter-spacing: 0.02em;
}
.nav-right a:hover { color: var(--ink); }

/* ---------- HERO — main screen ---------- */
.hero {
  flex: 1;
  display: flex; flex-direction: column;
  justify-content: center;
  padding: 48px 0 72px;
  position: relative;
}

.hero-kicker {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 40px;
}
.hero-kicker::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.hero-kicker .sep { color: var(--line); }

.hero h1 {
  margin: 0;
  font-family: var(--f-disp);
  font-weight: 400;
  font-size: clamp(52px, 7.4vw, 112px);
  letter-spacing: -0.025em;
  line-height: 0.98;
  max-width: 15ch;
  color: var(--ink);
}
.hero h1 .soft { color: var(--ink-3); font-style: italic; }
.hero h1 .accent { color: var(--accent); }

.hero-sub {
  margin-top: 36px;
  font-size: 19px;
  line-height: 1.5;
  color: var(--ink-2);
  max-width: 48ch;
  font-weight: 400;
}

.hero-cta {
  margin-top: 48px;
  display: flex; gap: 12px; flex-wrap: wrap;
  align-items: center;
}
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border-radius: 999px;
  font-size: 14px; letter-spacing: -0.005em;
  border: 1px solid transparent;
  transition: all 0.18s ease;
}
.btn-solid {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}
.btn-solid:hover { background: var(--accent); border-color: var(--accent); }
.btn-ghost { color: var(--ink-2); }
.btn-ghost:hover { color: var(--ink); }
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* footer strip — minimal facts, inline */
.hero-foot {
  margin-top: 96px;
  padding-top: 28px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  max-width: 820px;
}
.hero-foot-cell .v {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.015em;
  font-variant-numeric: tabular-nums;
}
.hero-foot-cell .k {
  margin-top: 4px;
  font-family: var(--f-mono);
  font-size: 10px;
  color: var(--ink-3);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* ---------- Second, quieter screen ---------- */
.below {
  padding: 120px 0 160px;
  border-top: 1px solid var(--line-soft);
}
.below-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  align-items: start;
}
.below-kicker {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.below h2 {
  margin: 0;
  font-family: var(--f-disp);
  font-weight: 400;
  font-size: clamp(32px, 3.6vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  max-width: 20ch;
}
.below h2 em { color: var(--accent); font-style: italic; }
.below p {
  margin: 28px 0 0;
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.55;
  max-width: 56ch;
}

.below-rows {
  margin-top: 56px;
  border-top: 1px solid var(--line-soft);
}
.below-row {
  display: grid;
  grid-template-columns: 48px 1fr 1fr;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.below-row .idx {
  font-family: var(--f-mono); font-size: 11px;
  color: var(--ink-3); letter-spacing: 0.04em;
}
.below-row .name {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
  font-family: var(--f-disp);
  font-weight: 400;
  font-size: 26px;
}
.below-row .desc {
  font-size: 15px;
  color: var(--ink-2);
  max-width: 50ch;
  line-height: 1.5;
}

/* ---------- CONTACT ---------- */
.contact {
  padding: 120px 0 140px;
  border-top: 1px solid var(--line-soft);
}
.contact-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  align-items: start;
}
.contact-kicker {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.contact-body h2 {
  margin: 0;
  font-family: var(--f-disp);
  font-weight: 400;
  font-size: clamp(32px, 3.6vw, 48px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  max-width: 20ch;
}
.contact-body p {
  margin: 28px 0 0;
  color: var(--ink-2);
  font-size: 17px;
  line-height: 1.55;
  max-width: 52ch;
}
.contact-rows {
  margin-top: 48px;
  border-top: 1px solid var(--line-soft);
}
.contact-row {
  display: grid;
  grid-template-columns: 160px 1fr 24px;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
  color: var(--ink);
  transition: color 0.15s ease;
}
.contact-row:hover { color: var(--accent); }
.contact-row .contact-k {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.04em;
}
.contact-row .contact-v {
  font-family: var(--f-disp);
  font-size: 22px;
  letter-spacing: -0.01em;
}
.contact-row .contact-arr {
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--ink-3);
  text-align: right;
  transition: transform 0.2s ease, color 0.15s ease;
}
.contact-row:hover .contact-arr { transform: translateX(4px); color: var(--accent); }

/* ---------- FOOTER ---------- */
footer {
  border-top: 1px solid var(--line-soft);
  padding: 32px 0;
  font-size: 13px;
}
.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.foot-left {
  display: flex; align-items: center; gap: 14px;
  color: var(--ink-3);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
}
.foot-right {
  display: flex; align-items: center; gap: 24px;
}
.foot-right a {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}
.foot-right a:hover { color: var(--ink); }

/* ---------- TWEAKS ---------- */
.tweaks-panel {
  position: fixed; right: 16px; bottom: 16px; z-index: 100;
  background: var(--bg); border: 1px solid var(--line);
  padding: 16px;
  width: 220px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.tweaks-panel h6 {
  margin: 0 0 12px;
  font-family: var(--f-mono); font-size: 10px;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
  font-weight: 400;
}
.tweaks-row { margin-bottom: 14px; }
.tweaks-row label {
  display: block;
  font-size: 11px; color: var(--ink-3);
  margin-bottom: 8px;
}
.tweaks-swatches { display: flex; gap: 6px; }
.swatch {
  width: 22px; height: 22px; border-radius: 50%;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.15s ease;
}
.swatch.active { outline: 2px solid var(--ink); outline-offset: 2px; }
.swatch:hover { transform: scale(1.08); }

.tog-group { display: flex; gap: 6px; }
.tog-group button {
  padding: 6px 10px;
  font-family: var(--f-mono); font-size: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all 0.15s ease;
}
.tog-group button.active {
  background: var(--ink); color: var(--bg); border-color: var(--ink);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 800px) {
  :root { --pad: 20px; }
  .hero-foot { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .below-grid { grid-template-columns: 1fr; gap: 32px; }
  .below-row { grid-template-columns: 1fr; gap: 8px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-row { grid-template-columns: 100px 1fr 24px; gap: 16px; }
  .contact-row .contact-v { font-size: 18px; }
  .below-row .idx { font-size: 10px; }
  .foot { flex-direction: column; align-items: flex-start; }
}