/* ═══════════════════════════════════════════════════
   Atomi — Explore Categories
   ═══════════════════════════════════════════════════ */

.categories {
  position: relative;
  padding: clamp(var(--space-64), 10vh, var(--space-96)) clamp(var(--space-24), 5vw, var(--space-96)) clamp(var(--space-64), 10vh, var(--space-96));
  background:
    radial-gradient(ellipse 52% 38% at 48% 0%, oklch(0.73 0.16 294 / 0.06), transparent 70%),
    radial-gradient(ellipse 44% 42% at 92% 88%, oklch(0.84 0.12 72 / 0.10), transparent 66%),
    linear-gradient(180deg, var(--ivory) 0%, var(--ivory-clean) 48%, var(--rhythm-paper) 100%);
}

.categories-inner {
  width: min(1480px, 100%);
  margin: 0 auto;
}

/* ── Section head ─────────────────────────────────── */
.categories .section-head {
  margin-bottom: clamp(40px, 6vh, 56px);
  text-align: center;
}

/* ── Card grid ────────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(var(--space-16), 2vw, var(--space-32));
}

/* ── Category card ────────────────────────────────── */
.cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(28px, 3.6vw, 38px) clamp(var(--space-24), 3vw, var(--space-32)) clamp(26px, 3.4vw, 34px);
  border: 1px solid oklch(0.78 0.04 76 / 0.18);
  border-radius: var(--radius-card);
  background:
    radial-gradient(circle at 18% 14%, oklch(0.99 0.01 84 / 0.44), transparent 34%),
    linear-gradient(155deg, oklch(0.994 0.01 82 / 0.42), oklch(0.966 0.018 76 / 0.14)),
    oklch(0.99 0.012 82 / 0.26);
  backdrop-filter: blur(14px) saturate(1.04);
  -webkit-backdrop-filter: blur(14px) saturate(1.04);
  box-shadow:
    0 12px 36px oklch(0.32 0.05 288 / 0.04),
    inset 0 1px 0 oklch(0.99 0.01 82 / 0.44);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  transition:
    transform 0.38s var(--ease),
    box-shadow 0.38s var(--ease),
    border-color 0.38s var(--ease),
    background 0.38s var(--ease);
  overflow: hidden;
}

.cat-card::before {
  content: "";
  position: absolute; inset: 1px; border-radius: inherit;
  background:
    linear-gradient(140deg, oklch(0.99 0.01 82 / 0.28), transparent 48%),
    linear-gradient(90deg, transparent 0 80%, oklch(0.86 0.1 72 / 0.08));
  pointer-events: none;
  transition: opacity 0.38s var(--ease);
}

.cat-card::after {
  content: "";
  position: absolute;
  right: 24px; top: 28px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: oklch(0.84 0.1 74 / 0.38);
  box-shadow: 0 0 12px oklch(0.82 0.12 72 / 0.2);
  transition:
    background 0.38s var(--ease),
    box-shadow 0.38s var(--ease),
    transform 0.38s var(--ease);
}

.cat-card:hover {
  transform: translateY(-6px);
  border-color: oklch(0.82 0.12 74 / 0.42);
  background:
    radial-gradient(circle at 18% 14%, oklch(0.99 0.01 84 / 0.56), transparent 34%),
    linear-gradient(155deg, oklch(0.994 0.01 82 / 0.54), oklch(0.966 0.018 76 / 0.2)),
    oklch(0.99 0.012 82 / 0.34);
  box-shadow:
    0 24px 58px oklch(0.32 0.05 288 / 0.10),
    0 0 32px oklch(0.82 0.13 72 / 0.12),
    inset 0 1px 0 oklch(0.99 0.01 82 / 0.62);
}

.cat-card:hover::after {
  background: oklch(0.86 0.11 74 / 0.62);
  box-shadow: 0 0 18px oklch(0.82 0.13 72 / 0.34);
  transform: scale(1.3);
}

/* ── Card icon ────────────────────────────────────── */
.cat-icon {
  position: relative;
  width: 50px; height: 50px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background:
    radial-gradient(circle at 32% 22%, oklch(0.99 0.01 84), transparent 30%),
    linear-gradient(145deg, oklch(0.98 0.012 82 / 0.76), oklch(0.86 0.075 300 / 0.16));
  box-shadow:
    0 0 0 1px oklch(0.66 0.15 294 / 0.16),
    0 8px 22px oklch(0.5 0.12 294 / 0.1),
    inset 0 1px 0 oklch(0.99 0.01 84 / 0.58);
  color: oklch(0.32 0.13 292);
  transition: transform 0.38s var(--ease), box-shadow 0.38s var(--ease);
}

.cat-icon svg {
  width: 26px; height: 26px;
  filter: drop-shadow(0 2px 6px oklch(0.32 0.11 292 / 0.12));
}

.cat-card:hover .cat-icon {
  transform: scale(1.08);
  box-shadow:
    0 0 0 1px oklch(0.66 0.15 294 / 0.24),
    0 12px 30px oklch(0.5 0.12 294 / 0.16),
    0 0 20px oklch(0.82 0.14 62 / 0.2),
    inset 0 1px 0 oklch(0.99 0.01 84 / 0.66);
}

/* ── Card text ────────────────────────────────────── */
.cat-name {
  font-family: var(--font-display);
  font-size: clamp(1.16rem, 1.5vw, 1.32rem);
  font-weight: 650;
  line-height: 1.1;
  color: var(--ink);
}

.cat-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 280px;
}

.cat-arrow {
  margin-top: auto;
  font-size: 0.82rem;
  font-weight: 560;
  color: var(--violet);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s var(--ease);
}

.cat-arrow span {
  transition: transform 0.3s var(--ease);
}

.cat-card:hover .cat-arrow {
  gap: 10px;
}

.cat-card:hover .cat-arrow span {
  transform: translateX(3px);
}

/* Approved design alignment: compact category shelf */
@media (min-width: 1121px) {
  .categories {
    padding: clamp(46px, 5.2vh, 62px) clamp(24px, 5vw, 96px) clamp(28px, 4vh, 42px);
    background:
      radial-gradient(ellipse 46% 42% at 16% 0%, oklch(0.86 0.08 50 / 0.12), transparent 66%),
      radial-gradient(ellipse 36% 40% at 88% 18%, oklch(0.72 0.14 300 / 0.055), transparent 68%),
      linear-gradient(180deg, var(--ivory) 0%, var(--ivory-clean) 56%, var(--rhythm-paper) 100%);
  }

  .categories-inner {
    width: min(1160px, 100%);
  }

  .categories .section-head {
    display: block;
    width: min(470px, 100%);
    margin: 0 0 20px;
    text-align: left;
  }

  .categories .section-label {
    margin-bottom: 8px;
    font-size: 0.62rem;
    letter-spacing: 0.22em;
  }

  .categories .section-title {
    max-width: 420px;
    font-size: clamp(2.1rem, 2.55vw, 2.85rem);
    line-height: 1.04;
  }

  .categories .section-note {
    max-width: 360px;
    margin-top: 10px;
    font-size: 0.76rem;
    line-height: 1.46;
  }

  .cat-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 12px;
  }

  .cat-card {
    min-height: 172px;
    gap: 8px;
    padding: 15px 14px 14px;
    border-radius: 15px;
    border-color: oklch(0.74 0.052 70 / 0.18);
    background:
      radial-gradient(circle at 20% 10%, oklch(0.99 0.01 84 / 0.56), transparent 36%),
      linear-gradient(155deg, oklch(0.994 0.01 82 / 0.46), oklch(0.968 0.018 76 / 0.18));
    backdrop-filter: blur(10px) saturate(1.02);
    -webkit-backdrop-filter: blur(10px) saturate(1.02);
    box-shadow:
      0 8px 22px oklch(0.34 0.04 286 / 0.035),
      inset 0 1px 0 oklch(0.99 0.01 82 / 0.48);
  }

  .cat-card:first-child {
    border-color: oklch(0.82 0.13 56 / 0.42);
    box-shadow:
      0 12px 30px oklch(0.62 0.1 52 / 0.08),
      inset 0 1px 0 oklch(0.99 0.01 82 / 0.58);
  }

  .cat-card:hover {
    transform: translateY(-3px);
    box-shadow:
      0 16px 36px oklch(0.34 0.04 286 / 0.065),
      0 0 18px oklch(0.82 0.13 72 / 0.08),
      inset 0 1px 0 oklch(0.99 0.01 82 / 0.58);
  }

  .cat-icon {
    width: 36px;
    height: 36px;
    border-radius: 11px;
  }

  .cat-icon svg {
    width: 18px;
    height: 18px;
  }

  .cat-name {
    font-size: 0.84rem;
    line-height: 1.18;
  }

  .cat-desc {
    max-width: none;
    min-height: 3.95em;
    font-size: 0.62rem;
    line-height: 1.38;
  }

  .cat-arrow {
    width: 27px;
    height: 27px;
    justify-content: center;
    gap: 0;
    margin-top: auto;
    border: 1px solid oklch(0.75 0.052 70 / 0.22);
    border-radius: var(--radius-full);
    background: oklch(0.99 0.01 82 / 0.54);
    color: var(--ink-soft);
    font-size: 0;
  }

  .cat-arrow span {
    font-size: 0.78rem;
  }
}