@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@200;300;400;500;600&family=JetBrains+Mono:wght@300;400;500&display=swap');

/* ========================================
   KLIFF LAB — Neumorphism Design System
   ======================================== */

:root {
  --bg: #e0dbd4;
  --bg-light: #f0ece6;
  --bg-dark: #c8c3bb;
  --shadow-dark: #b8b3ab;
  --shadow-light: #f8f4ee;
  --text-primary: #2e2a25;
  --text-secondary: #5c564e;
  --text-hint: #8a847c;

  /* Accent colors — readable on beige */
  --cyan: #2a7a88;
  --amber: #9a7518;
  --violet: #5e4a8a;
  --green: #3a7a50;
  --magenta: #8a4060;

  /* Neumorphism presets */
  --neu-raised: 6px 6px 12px var(--shadow-dark), -6px -6px 12px var(--shadow-light);
  --neu-raised-sm: 3px 3px 6px var(--shadow-dark), -3px -3px 6px var(--shadow-light);
  --neu-inset: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
  --neu-inset-sm: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
  --neu-flat: 0 0 0 transparent;

  --radius: 16px;
  --radius-sm: 10px;
  --radius-round: 50%;
  --transition: 0.3s ease;
}

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

html, body {
  min-height: 100%;
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Outfit', -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ========================================
   HOMEPAGE
   ======================================== */

.container {
  max-width: 680px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 56px;
}

.header__title {
  font-size: 36px;
  font-weight: 200;
  letter-spacing: 14px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.header__sub {
  font-size: 11px;
  letter-spacing: 6px;
  color: var(--text-hint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 300;
}

/* Module counter */
.module-counter {
  text-align: center;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text-hint);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 32px;
  font-weight: 300;
}

/* Card Grid */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

/* Card base */
.card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--neu-raised);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  display: block;
  position: relative;
}

.card:hover {
  box-shadow: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  transform: translateY(-2px);
}

.card:active {
  box-shadow: var(--neu-inset);
  transform: translateY(0);
}

/* Card icon */
.card__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: var(--radius-round);
  background: var(--bg);
  box-shadow: var(--neu-inset-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

/* Card text */
.card__name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2.5px;
  margin-bottom: 6px;
}

.card__desc {
  font-size: 11px;
  color: var(--text-hint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 300;
  line-height: 1.5;
}

/* Placeholder card */
.card--placeholder {
  box-shadow: var(--neu-inset);
  opacity: 0.5;
  cursor: default;
}

.card--placeholder:hover {
  box-shadow: var(--neu-inset);
  transform: none;
}

.card--placeholder:active {
  box-shadow: var(--neu-inset);
  transform: none;
}

.card--placeholder .card__icon {
  box-shadow: var(--neu-raised-sm);
}

/* Footer */
.footer {
  margin-top: auto;
  text-align: center;
  padding-top: 20px;
}

.footer__line {
  width: 48px;
  height: 1px;
  background: var(--bg-dark);
  margin: 0 auto 14px;
}

.footer__content {
  font-size: 11px;
  color: var(--text-hint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 300;
  letter-spacing: 1px;
}

/* Version tag */
.version-tag {
  position: fixed;
  bottom: 12px;
  right: 16px;
  font-size: 10px;
  color: var(--text-hint);
  font-family: 'JetBrains Mono', monospace;
  opacity: 0.4;
  letter-spacing: 1px;
}

/* ========================================
   MOBILE
   ======================================== */

@media (max-width: 520px) {
  .container { padding: 40px 18px 32px; }
  .header__title { font-size: 28px; letter-spacing: 10px; }
  .grid { gap: 18px; }
  .card { padding: 22px 16px; }
}

@media (max-width: 360px) {
  .grid { grid-template-columns: 1fr; }
}