/* style.css — Phoenix Wealth Publishing design system */

/* ===================== TYPE SCALE ===================== */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6.5rem);

  /* ===================== SPACING (4px base) ===================== */
  --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: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

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

  --content-narrow: 640px;
  --content-default: 900px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* ===================== FONTS ===================== */
  --font-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-sans: 'Inter', 'Helvetica Neue', sans-serif;
}

/* ===================== COLOR — Charcoal + Phoenix Flame ===================== */
:root,
[data-theme='light'] {
  --color-bg: #fff8f0;
  --color-surface: #fffbf5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #f7ead9;
  --color-surface-offset-2: #efdbc0;
  --color-surface-dynamic: #e9cda5;
  --color-divider: #e3cba3;
  --color-border: #d8b986;

  --color-text: #231f20;
  --color-text-muted: #5b5250;
  --color-text-faint: #85796f;
  --color-text-inverse: #fff8f0;

  /* Ink — charcoal, used for full-bleed structural bands (footer, dark sections) */
  --color-ink: #231f20;
  --color-ink-2: #161314;

  /* Primary Accent — Phoenix Flame Orange */
  --color-primary: #e8622c;
  --color-primary-hover: #c94f21;
  --color-primary-active: #a83f18;
  --color-primary-highlight: #fbe0d3;

  /* Secondary Accent — Deep Ember Red (used sparingly) */
  --color-gold: #8a2a1d;
  --color-gold-hover: #6e2116;
  --color-gold-active: #551910;
  --color-gold-highlight: #f1dad4;

  --color-warning: #a8621b;
  --color-warning-highlight: #f3e0c4;
  --color-error: #8a2a1d;
  --color-error-highlight: #f0d4d4;
  --color-success: #3f6b3a;
  --color-success-highlight: #dbe6d4;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;

  --shadow-sm: 0 1px 2px oklch(0.2 0.03 20 / 0.08);
  --shadow-md: 0 6px 20px oklch(0.2 0.03 20 / 0.10);
  --shadow-lg: 0 16px 40px oklch(0.2 0.03 20 / 0.16);
}

[data-theme='dark'] {
  --color-bg: #231f20;
  --color-surface: #2b2627;
  --color-surface-2: #322c2d;
  --color-surface-offset: #383132;
  --color-surface-offset-2: #443b3c;
  --color-surface-dynamic: #524749;
  --color-divider: #453d3e;
  --color-border: #55494a;

  --color-text: #fff8f0;
  --color-text-muted: #cbbfb8;
  --color-text-faint: #93857e;
  --color-text-inverse: #231f20;

  --color-ink: #161314;
  --color-ink-2: #0c0a0b;

  --color-primary: #f37c47;
  --color-primary-hover: #f89664;
  --color-primary-active: #fbb389;
  --color-primary-highlight: #4a2c1e;

  --color-gold: #d97a63;
  --color-gold-hover: #e2967f;
  --color-gold-active: #ecb39f;
  --color-gold-highlight: #46281f;

  --color-warning: #e0a54f;
  --color-warning-highlight: #4a3620;
  --color-error: #e0857a;
  --color-error-highlight: #4a2222;
  --color-success: #8fc086;
  --color-success-highlight: #223a20;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #231f20;
    --color-surface: #2b2627;
    --color-surface-2: #322c2d;
    --color-surface-offset: #383132;
    --color-surface-offset-2: #443b3c;
    --color-surface-dynamic: #524749;
    --color-divider: #453d3e;
    --color-border: #55494a;
    --color-text: #fff8f0;
    --color-text-muted: #cbbfb8;
    --color-text-faint: #93857e;
    --color-text-inverse: #231f20;
    --color-ink: #161314;
    --color-ink-2: #0c0a0b;
    --color-primary: #f37c47;
    --color-primary-hover: #f89664;
    --color-primary-active: #fbb389;
    --color-primary-highlight: #4a2c1e;
    --color-gold: #d97a63;
    --color-gold-hover: #e2967f;
    --color-gold-active: #ecb39f;
    --color-gold-highlight: #46281f;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
    --shadow-md: 0 6px 20px oklch(0 0 0 / 0.35);
    --shadow-lg: 0 16px 40px oklch(0 0 0 / 0.5);
  }
}

/* ===================== LAYOUT PRIMITIVES ===================== */
.wrap {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 4vw, var(--space-12));
}
.wrap--default {
  max-width: var(--content-default);
}
.wrap--narrow {
  max-width: var(--content-narrow);
}

section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.eyebrow::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--color-gold);
  display: inline-block;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-text);
}

.display-hero {
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.03;
}
.display-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.08;
}
.section-title {
  font-size: var(--text-xl);
  font-weight: 600;
  line-height: 1.15;
}
.subhead {
  font-size: var(--text-lg);
  font-weight: 600;
  font-family: var(--font-body);
}

p.lede {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  font-family: var(--font-body);
  line-height: 1.55;
  max-width: 60ch;
}

.prose p {
  margin-block-end: var(--space-5);
  max-width: 68ch;
  line-height: 1.7;
}
.prose h2 {
  font-size: var(--text-xl);
  margin-block: var(--space-10) var(--space-4);
}
.prose h3 {
  font-size: var(--text-lg);
  margin-block: var(--space-8) var(--space-3);
}

/* ===================== HEADER / NAV ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.site-header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.brand img {
  height: 40px;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
}
.brand-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.brand-tagline {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 2vw, var(--space-8));
}
.main-nav a {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  position: relative;
  padding-block: var(--space-1);
}
.main-nav a:hover,
.main-nav a[aria-current='page'] {
  color: var(--color-primary);
}
.main-nav a[aria-current='page']::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--color-gold);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}
.nav-toggle svg {
  width: 22px;
  height: 22px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
}
.theme-toggle:hover {
  color: var(--color-primary);
  background: var(--color-surface-offset);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
}
.btn--outline {
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn--gold {
  background: var(--color-gold);
  color: var(--color-text-inverse);
}
.btn--gold:hover {
  background: var(--color-gold-hover);
}
.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ===================== HERO ===================== */
.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 82vh;
  padding-block: clamp(var(--space-16), 10vh, var(--space-24));
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    100deg,
    color-mix(in oklab, var(--color-bg) 99%, transparent) 0%,
    color-mix(in oklab, var(--color-bg) 94%, transparent) 32%,
    color-mix(in oklab, var(--color-bg) 60%, transparent) 58%,
    color-mix(in oklab, var(--color-bg) 15%, transparent) 100%
  );
}
[data-theme='dark'] .hero-bg::after {
  background: linear-gradient(
    100deg,
    color-mix(in oklab, var(--color-bg) 97%, transparent) 0%,
    color-mix(in oklab, var(--color-bg) 92%, transparent) 32%,
    color-mix(in oklab, var(--color-bg) 60%, transparent) 58%,
    color-mix(in oklab, var(--color-bg) 18%, transparent) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 560px;
}
.hero-content .display-hero {
  margin-block: var(--space-5) var(--space-6);
}
.hero-mission {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text);
  max-width: 38ch;
  margin-block-end: var(--space-8);
  opacity: 0.82;
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Interior page hero (shorter) */
.page-hero {
  position: relative;
  padding-block: clamp(var(--space-16), 14vh, var(--space-24)) clamp(var(--space-10), 6vh, var(--space-16));
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}
[data-theme='dark'] .page-hero-bg img {
  opacity: 0.16;
}
.page-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, var(--color-bg) 92%);
}
.page-hero-content {
  position: relative;
  z-index: 1;
}
.page-hero .display-title {
  margin-block: var(--space-4) var(--space-3);
}
.page-hero p.lede {
  margin-top: var(--space-2);
}

/* ===================== CARDS ===================== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive), border-color var(--transition-interactive);
}
a.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
  transform: translateY(-2px);
}

.book-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text);
  height: 100%;
}
.book-card-cover {
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--color-surface-offset);
  position: relative;
}
.book-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.book-card-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.book-card-cat {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.book-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  line-height: 1.2;
}
.book-card-author {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.book-card-desc {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  width: fit-content;
}
.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.badge--published {
  background: var(--color-success-highlight);
  color: var(--color-success);
}
.badge--forthcoming {
  background: var(--color-gold-highlight);
  color: var(--color-gold);
}
.badge--announced {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}

/* ===================== GRID ===================== */
.grid {
  display: grid;
  gap: clamp(var(--space-6), 3vw, var(--space-8));
}
.grid--books {
  grid-template-columns: repeat(4, 1fr);
}
.grid--authors {
  grid-template-columns: repeat(4, 1fr);
}
.grid--2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid--feature {
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}

@media (max-width: 980px) {
  .grid--books {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--authors {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .grid--books,
  .grid--authors,
  .grid--2,
  .grid--feature {
    grid-template-columns: 1fr;
  }
}

/* ===================== SECTIONS ===================== */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  margin-block-end: clamp(var(--space-8), 5vw, var(--space-12));
  flex-wrap: wrap;
}
.section-head .section-title {
  margin-top: var(--space-3);
}
.section-link {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
}
.section-link:hover {
  color: var(--color-primary-hover);
}

.divider-rule {
  height: 1px;
  background: var(--color-divider);
  border: none;
  margin-block: 0;
}

/* Alternating band */
.band {
  background: var(--color-surface-offset);
}
.band--dark {
  background: var(--color-ink);
  color: var(--color-text-inverse);
}
.band--dark h2,
.band--dark h3 {
  color: var(--color-text-inverse);
}
.band--dark p {
  color: color-mix(in oklab, var(--color-text-inverse) 82%, transparent);
}

/* ===================== FORTHCOMING STRIP ===================== */
.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 780px) {
  .strip {
    grid-template-columns: 1fr;
  }
}
.strip-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text);
}
.strip-item:hover {
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}
.strip-thumb {
  width: 64px;
  height: 86px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface-offset);
}
.strip-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.strip-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.strip-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.2;
}
.strip-author {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ===================== AUTHOR CARD ===================== */
.author-card {
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.author-photo {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-offset);
  position: relative;
}
.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.author-photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-2);
  color: var(--color-text-faint);
  border: 1px dashed var(--color-border);
}
.author-photo--placeholder svg {
  width: 40px;
  height: 40px;
  opacity: 0.5;
}
.author-photo--placeholder span {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.author-card-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.author-card-line {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Author detail page */
.author-detail {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 780px) {
  .author-detail {
    grid-template-columns: 1fr;
  }
  .author-detail .author-photo {
    max-width: 320px;
  }
}
.author-credits {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.author-credits dt {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
}
.author-credits dd {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  margin-bottom: var(--space-3);
}

/* ===================== BOOK DETAIL ===================== */
.book-detail {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}
@media (max-width: 780px) {
  .book-detail {
    grid-template-columns: 1fr;
  }
  .book-detail .book-cover-frame {
    max-width: 280px;
  }
}
.book-cover-frame {
  aspect-ratio: 3/4;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-surface-offset);
}
.book-cover-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.book-meta-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
}
.book-meta-row {
  display: flex;
  justify-content: space-between;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-divider);
}
.book-meta-row dt {
  color: var(--color-text-faint);
}
.book-meta-row dd {
  color: var(--color-text);
  text-align: right;
}

/* Edition status table */
.edition-table {
  width: 100%;
  margin-block: var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
}
.edition-table th {
  text-align: left;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}
.edition-table td {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

/* Pull quote */
blockquote.pull {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-primary);
  border-left: 3px solid var(--color-gold);
  padding-left: var(--space-6);
  margin-block: var(--space-8);
  max-width: 56ch;
}

/* Coming soon panel */
.coming-soon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-10);
  text-align: center;
  background: var(--color-surface-offset);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}
.coming-soon svg {
  width: 32px;
  height: 32px;
  color: var(--color-gold);
  opacity: 0.8;
}
.coming-soon p {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 40ch;
}

/* ===================== FILTER TABS (catalog) ===================== */
.filter-tabs {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-block-end: clamp(var(--space-8), 5vw, var(--space-12));
}
.filter-tab {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
}
.filter-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-tab[aria-pressed='true'] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

/* ===================== FOOTER ===================== */
.site-footer {
  background: var(--color-ink);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-10);
}
[data-theme='dark'] .site-footer {
  background: var(--color-ink-2);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-block-end: var(--space-12);
}
@media (max-width: 780px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-block-end: var(--space-4);
}
.footer-brand img {
  height: 36px;
  width: auto;
  object-fit: contain;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
}
.footer-tagline {
  font-family: var(--font-body);
  font-style: italic;
  color: color-mix(in oklab, var(--color-text-inverse) 75%, transparent);
  max-width: 32ch;
  font-size: var(--text-sm);
}
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--color-text-inverse) 60%, transparent);
  margin-block-end: var(--space-4);
  font-weight: 600;
}
.footer-col a {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  color: color-mix(in oklab, var(--color-text-inverse) 88%, transparent);
  text-decoration: none;
  margin-block-end: var(--space-3);
}
.footer-col a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-block-start: var(--space-8);
  border-top: 1px solid color-mix(in oklab, var(--color-text-inverse) 20%, transparent);
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: color-mix(in oklab, var(--color-text-inverse) 60%, transparent);
}
.footer-social {
  display: flex;
  gap: var(--space-4);
}
.footer-social a {
  color: color-mix(in oklab, var(--color-text-inverse) 75%, transparent);
}
.footer-social svg {
  width: 18px;
  height: 18px;
}

/* ===================== MOBILE NAV DRAWER ===================== */
@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100dvh;
    width: min(320px, 84vw);
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: var(--space-2);
    padding: calc(var(--space-16) + var(--space-4)) var(--space-6) var(--space-8);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 60;
  }
  .main-nav.is-open {
    transform: translateX(0);
  }
  .main-nav a {
    font-size: var(--text-lg);
    padding-block: var(--space-3);
    width: 100%;
    border-bottom: 1px solid var(--color-divider);
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-scrim {
    position: fixed;
    inset: 0;
    background: oklch(0.1 0 0 / 0.4);
    z-index: 55;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .nav-scrim.is-open {
    opacity: 1;
    pointer-events: auto;
  }
}

/* ===================== MISC ===================== */
.section-title-block {
  max-width: 60ch;
}
.tag-row {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-block: var(--space-4);
}
.tag {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
@media (max-width: 780px) {
  .value-grid {
    grid-template-columns: 1fr;
  }
}
.value-item h3 {
  font-size: var(--text-lg);
  margin-block-end: var(--space-2);
  color: var(--color-primary);
}
.value-item p {
  font-family: var(--font-body);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.value-item .num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-gold);
  display: block;
  margin-block-end: var(--space-2);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
}
@media (max-width: 780px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}
.contact-block {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
}
.contact-block h3 {
  font-size: var(--text-lg);
  margin-block-end: var(--space-3);
}
.contact-block a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}
.contact-block a:hover {
  text-decoration: underline;
}
.contact-block address {
  font-family: var(--font-body);
  font-style: normal;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.notice-panel {
  padding: var(--space-8);
  background: var(--color-surface-offset);
  border-left: 3px solid var(--color-gold);
  border-radius: var(--radius-md);
  margin-block: var(--space-8);
}
.notice-panel p {
  font-family: var(--font-body);
  color: var(--color-text);
}

.breadcrumb {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-block-end: var(--space-6);
}
.breadcrumb a {
  color: var(--color-text-faint);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--color-primary);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5);
  z-index: 100;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}