/* ============================================================
   ZMG Command Center — design tokens + components
   Palette: warm paper / deep ledger-navy with a brass-gold accent.
   Fonts: Cabinet Grotesk (display) + Satoshi (body) via Fontshare.
   ============================================================ */

:root {
  /* Type scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.02rem + 0.5vw, 1.375rem);
  --text-xl: clamp(1.375rem, 1.1rem + 1.2vw, 1.875rem);
  --text-2xl: clamp(1.875rem, 1.2rem + 2.6vw, 3rem);
  --text-3xl: clamp(2.25rem, 1.1rem + 4vw, 4.25rem);

  /* Spacing (4px system) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.375rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-default: 1000px;
  --content-wide: 1280px;

  --font-display: 'Cabinet Grotesk', 'General Sans', 'Segoe UI', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Menlo', monospace;
}

:root,
[data-theme='light'] {
  --color-bg: #f3f1e9;
  --color-surface: #fffdf8;
  --color-surface-2: #fbf8f0;
  --color-surface-offset: #eae5d6;
  --color-surface-offset-2: #ded8c4;
  --color-divider: #e2ddcc;
  --color-border: #d3ccb6;

  --color-text: #171d2b;
  --color-text-muted: #545c6e;
  --color-text-faint: #9a9d8f;
  --color-text-inverse: #f7f4ea;

  --color-ledger: #10203a;
  --color-ledger-2: #16294a;

  --color-primary: #9c7124;
  --color-primary-hover: #7d5b1c;
  --color-primary-active: #634715;
  --color-primary-highlight: #e6d9b8;

  --color-success: #3c6e3a;
  --color-success-highlight: #d7e3d1;

  --shadow-sm: 0 1px 2px oklch(0.2 0.02 90 / 0.08);
  --shadow-md: 0 6px 16px oklch(0.2 0.02 90 / 0.10);
  --shadow-lg: 0 18px 40px oklch(0.15 0.02 90 / 0.16);
}

[data-theme='dark'] {
  --color-bg: #0d121d;
  --color-surface: #131a28;
  --color-surface-2: #16202f;
  --color-surface-offset: #1a2434;
  --color-surface-offset-2: #202c3e;
  --color-divider: #232f42;
  --color-border: #2b3a51;

  --color-text: #e8e5d9;
  --color-text-muted: #9aa3b4;
  --color-text-faint: #5d677b;
  --color-text-inverse: #10151f;

  --color-ledger: #0a1424;
  --color-ledger-2: #0d1a2e;

  --color-primary: #d6ab54;
  --color-primary-hover: #e4bd70;
  --color-primary-active: #f0cf8f;
  --color-primary-highlight: #362b17;

  --color-success: #7fb178;
  --color-success-highlight: #1f2c1e;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 6px 18px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 20px 44px oklch(0 0 0 / 0.5);
}

/* ---------------- Layout shell ---------------- */

.wrap {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
  z-index: 200;
  background: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
}

/* ---------------- Header ---------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}

.header__row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-block: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.brand__mark {
  width: 34px;
  height: 34px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__name {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}
.brand__tag {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header__search {
  flex: 1;
  max-width: 380px;
  margin-inline: auto;
  position: relative;
}
.header__search svg {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-faint);
  pointer-events: none;
}
.header__search input {
  width: 100%;
  padding: var(--space-3) var(--space-4) var(--space-3) var(--space-10);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.header__search input::placeholder {
  color: var(--color-text-faint);
}
.header__search input:focus-visible {
  border-color: var(--color-primary);
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  background: var(--color-surface);
  flex-shrink: 0;
}
.theme-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------------- Hero ---------------- */

.hero {
  background: linear-gradient(180deg, var(--color-ledger) 0%, var(--color-ledger-2) 100%);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-20));
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(1 0 0 / 0.035) 1px, transparent 1px),
    linear-gradient(90deg, oklch(1 0 0 / 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black, transparent);
}
.hero__inner {
  position: relative;
  max-width: 720px;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-active, #e4bd70);
  color: #e4bd70;
  margin-bottom: var(--space-5);
}
.hero__eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: #e4bd70;
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: var(--text-2xl);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-5);
}
.hero p {
  font-size: var(--text-lg);
  color: oklch(0.9 0.01 90 / 0.72);
  max-width: 52ch;
  margin-bottom: var(--space-8);
}

.hero__stats {
  display: flex;
  gap: var(--space-10);
  flex-wrap: wrap;
}
.stat__num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 650;
  color: #f0cf8f;
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-size: var(--text-xs);
  color: oklch(0.9 0.01 90 / 0.6);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-top: var(--space-1);
}

/* ---------------- Category nav pills ---------------- */

.pillbar {
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface-2);
}
.pillbar .wrap {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding-block: var(--space-4);
  scrollbar-width: thin;
}
.pill {
  flex-shrink: 0;
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
}
.pill:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* ---------------- Categories & cards ---------------- */

main {
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}

.category {
  padding-block: var(--space-10);
  scroll-margin-top: var(--space-24);
}
.category + .category {
  border-top: 1px solid var(--color-divider);
}

.category__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.category__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 650;
  letter-spacing: -0.01em;
}
.category__note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 42ch;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card {
  transition:
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
}
.card--dev {
  opacity: 0.72;
}

.card__top {
  display: flex;
  justify-content: flex-end;
}
.card__badge {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.card__badge--live {
  background: var(--color-success-highlight);
  color: var(--color-success);
}
.card__badge--dev {
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.005em;
  margin-top: calc(-1 * var(--space-4));
}

.card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  flex: 1;
}

.card__links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-3);
  flex-wrap: wrap;
}

.card__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.card__cta:hover {
  color: var(--color-primary-hover);
  gap: var(--space-2);
}
.card__cta--disabled {
  color: var(--color-text-faint);
  cursor: default;
}

.card__domain {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.card__alt {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-2);
  margin-top: var(--space-1);
}
.card__alt:hover {
  color: var(--color-primary);
}

/* ---------------- Empty state ---------------- */

.empty-state {
  text-align: center;
  padding-block: var(--space-24);
  color: var(--color-text-muted);
}
.empty-state h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

/* ---------------- Footer ---------------- */

.footer {
  border-top: 1px solid var(--color-divider);
  background: var(--color-surface-2);
  padding-block: var(--space-10);
}
.footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer p {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ---------------- Responsive ---------------- */

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .header__search {
    max-width: 220px;
  }
}

@media (max-width: 640px) {
  .header__row {
    flex-wrap: wrap;
  }
  .header__search {
    order: 3;
    flex-basis: 100%;
    width: 100%;
    max-width: none;
    margin-inline: 0;
  }
  .card-grid {
    grid-template-columns: 1fr;
  }
  .hero__stats {
    gap: var(--space-6);
  }
}