/* =========================================================
   Variables & Reset
   ========================================================= */
:root {
  --color-bg: #faf7f2;
  --color-surface: #ffffff;
  --color-border: #e6ddd0;
  --color-text: #1c1428;
  --color-muted: #6e6480;
  --color-accent: #c97a2a;
  --color-accent-dark: #a05f1a;
  --color-link: #c97a2a;

  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-ui: system-ui, -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --max-width: 900px;
  --max-width-prose: 680px;

  --radius: 6px;
  --radius-md: 6px;
  --radius-lg: 9px;

  /* Alias so checker/guide CSS works cleanly */
  --color-text-muted: #6e6480;
}

/* =========================================================
   Dark Mode
   ========================================================= */
[data-theme="dark"] {
  --color-bg: #0f0d16;
  --color-surface: #1a1628;
  --color-border: #2e2840;
  --color-text: #e8e2f5;
  --color-muted: #9b93b5;
  --color-text-muted: #9b93b5;
  --color-accent: #e8943a;
  --color-accent-dark: #f0a84a;
  --color-link: #e8943a;
}

[data-theme="dark"] .hero .container {
  background: rgba(26, 22, 40, 0.93);
}

[data-theme="dark"] .tree-card-image.placeholder,
[data-theme="dark"] .profile-image.placeholder,
[data-theme="dark"] .profile .variety-tag {
  background: #2a2038;
}

/* =========================================================
   Theme transition — smooth colour switch
   ========================================================= */
body,
.site-nav,
.site-footer,
.ailment,
.tree-card,
.video-card,
.video-error {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden; /* prevent horizontal scroll on mobile */
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-link);
}

a:hover {
  color: var(--color-accent-dark);
}

/* =========================================================
   Layout
   ========================================================= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

main {
  flex: 1;
}

/* =========================================================
   Navigation — sticky
   ========================================================= */
.site-nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-ui);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 6px rgba(28, 20, 40, 0.08);
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-sm);
}

.site-nav .nav-logo {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 15px;
  height: auto;
  flex-shrink: 0;
}

.logo-wordmark {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.01em;
}

.logo-chicago {
  color: var(--color-text);
}

.logo-figs {
  color: var(--color-accent);
}

/* Hero brand emblem */
.hero-emblem {
  display: flex;
  justify-content: center;
  margin-bottom: 0.4rem;
}

.hero-emblem-icon {
  width: 110px;
  height: auto;
  display: block;
  filter: drop-shadow(0 4px 16px rgba(201, 122, 42, 0.5));
}

.hero h1 .hero-brand-figs {
  color: var(--color-accent);
}

.site-nav .nav-links {
  list-style: none;
  display: flex;
  gap: 0.6rem;
  flex-wrap: nowrap;
}

.site-nav .nav-links a {
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color 0.15s;
  white-space: nowrap;
}

.site-nav .nav-links a:hover,
.site-nav .nav-links a[aria-current="page"] {
  color: var(--color-accent);
}


.theme-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.28em 0.6em;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: var(--color-muted);
  transition: border-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* =========================================================
   Testimonials
   ========================================================= */
.testimonials {
  padding-block: var(--space-xl);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.testimonials-heading {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.testimonials-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.testimonials-heading p {
  color: var(--color-text-muted);
  font-size: 0.925rem;
}

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

@media (max-width: 860px) {
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .testimonials-grid { grid-template-columns: 1fr; }
}

.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
}

.testimonial-quote-mark {
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-accent);
  font-family: Georgia, serif;
  opacity: 0.6;
  margin-bottom: -0.5rem;
}

.testimonial-text {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.65;
  font-style: italic;
  flex: 1;
}

.testimonial-meta {
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.testimonial-reviewer {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--color-text);
}

.testimonial-item {
  font-size: 0.76rem;
  color: var(--color-text-muted);
}

.testimonials-source {
  text-align: center;
  margin-top: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.testimonials-source a {
  color: var(--color-accent);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-md);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-muted);
  text-align: center;
  letter-spacing: 0.03em;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer-social {
  display: flex;
  gap: 0.85rem;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.15s;
}

.footer-social-link:hover {
  color: #ff0000;
}

/* =========================================================
   Hero (Home page) — full-width plum gradient + overlay panel
   ========================================================= */
.hero {
  background:
    linear-gradient(135deg, #2d1b6e 0%, #1a0f44 55%, #0d0828 100%);
  /* Drop your own photo in here when ready:
     background-image: url('../images/hero.jpg');
     background-size: cover; background-position: center; */
  padding-block: var(--space-md);
  text-align: center;
  display: flex;
  align-items: center;
}

.hero .container {
  background: rgba(249, 246, 243, 0.93);
  padding: var(--space-sm) var(--space-lg);
  border-radius: calc(var(--radius) * 1.5);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-accent-dark);
  margin-bottom: 0.4rem;
}

.hero .lead {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 0.6rem;
  line-height: 1.55;
}

.hero .lead-sub {
  font-size: 0.92rem;
  color: var(--color-muted);
  max-width: 480px;
  margin-inline: auto;
  margin-bottom: var(--space-md);
  line-height: 1.65;
}

.btn {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75em 2em;
  border-radius: var(--radius);
  transition: background 0.15s;
}

.btn:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

/* =========================================================
   Page header (inner pages) — full-width dark banner
   Matches the home hero gradient so every page feels uniform.
   ========================================================= */
.page-header {
  background: linear-gradient(135deg, #2d1b6e 0%, #1a0f44 55%, #0d0828 100%);
  padding-block: var(--space-lg) var(--space-md);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  color: #e8e2f5;
  margin-bottom: var(--space-xs);
}

.page-header p {
  color: #9b93b5;
  font-size: 1rem;
  font-family: var(--font-ui);
}

.page-header a {
  color: var(--color-accent);
}
.page-header a:hover {
  color: #f0a84a;
}

/* =========================================================
   Tree Cards (listing page)
   ========================================================= */
.tree-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

.tree-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.tree-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(201, 122, 42, 0.15);
  color: inherit;
}

.tree-card-image {
  width: 100%;
  height: 200px; /* fallback for browsers without aspect-ratio support */
  object-fit: cover;
  background: var(--color-border);
  overflow: hidden;
}

@supports (aspect-ratio: 1) {
  .tree-card-image {
    height: auto;
    aspect-ratio: 4 / 3;
  }
}

.tree-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tree-card-image.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 2.5rem;
  color: var(--color-muted);
  aspect-ratio: 4 / 3;
  background: #f5ede0;
}

.tree-card-body {
  padding: var(--space-sm) var(--space-sm) var(--space-md);
  flex: 1;
}

.tree-card-body h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--color-accent-dark);
}

.tree-card-body p {
  font-size: 0.9rem;
  color: var(--color-muted);
  font-family: var(--font-ui);
  line-height: 1.55;
}

/* =========================================================
   Profile Page
   ========================================================= */
.profile {
  max-width: var(--max-width-prose);
  padding-bottom: var(--space-xl);
}

.profile-image {
  width: 100%;
  height: 380px; /* fallback for browsers without aspect-ratio support */
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
  overflow: hidden;
}

@supports (aspect-ratio: 1) {
  .profile-image {
    height: auto;
    aspect-ratio: 4 / 3;
  }
}

.profile-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
}

/* ── Photo slider (profile pages with multiple images) ── */
.photo-slider {
  position: relative;
  width: 100%;
  height: 380px; /* fallback */
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
  overflow: hidden;
  background: var(--color-border);
}

@supports (aspect-ratio: 1) {
  .photo-slider {
    height: auto;
    aspect-ratio: 4 / 3;
  }
}

.photo-slider-track {
  display: flex;
  height: 100%;
  transition: transform 0.5s ease;
}

.photo-slider-track img {
  min-width: 100%;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  flex-shrink: 0;
}

.photo-slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
  z-index: 2;
}
.photo-slider-btn:hover {
  background: rgba(0,0,0,0.7);
}
.photo-slider-btn.prev { left: 0.6rem; }
.photo-slider-btn.next { right: 0.6rem; }

.photo-slider-dots {
  position: absolute;
  bottom: 0.55rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
}
.photo-slider-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background 0.15s;
}
.photo-slider-dot.active {
  background: #fff;
}

.profile-image.placeholder {
  background: #f5ede0;
  height: 260px; /* fallback */
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--color-muted);
  border-radius: var(--radius);
  margin-bottom: var(--space-md);
}

@supports (aspect-ratio: 1) {
  .profile-image.placeholder {
    height: auto;
    aspect-ratio: 16 / 9;
  }
}

.profile h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2rem);
  color: var(--color-accent-dark);
  margin-bottom: var(--space-xs);
}

.profile .variety-tag {
  display: inline-block;
  background: #f5ede0;
  color: var(--color-accent-dark);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25em 0.8em;
  border-radius: 99px;
  margin-bottom: var(--space-md);
}

.profile section {
  margin-bottom: var(--space-md);
}

.profile section h2 {
  font-size: 0.78rem;
  font-family: var(--font-ui);
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--color-border);
}

.profile section p,
.profile section ul {
  font-size: 1rem;
}

.profile section ul {
  padding-left: 1.4em;
}

.profile section li {
  margin-bottom: 0.3em;
}

.back-link {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.88rem;
  margin-bottom: var(--space-md);
  color: var(--color-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.back-link:hover {
  color: var(--color-accent);
}

.back-link::before {
  content: "← ";
}

/* =========================================================
   Diagnosis Page
   ========================================================= */
.diagnosis-intro {
  font-size: 1rem;
  color: var(--color-muted);
  font-family: var(--font-ui);
  max-width: var(--max-width-prose);
  margin-bottom: var(--space-lg);
}

.ailment-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.ailment {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  scroll-margin-top: 5rem;
}

.ailment h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-sm);
}

.ailment-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.ailment-meta h3 {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.ailment-meta p,
.ailment-meta ul {
  font-size: 0.95rem;
  color: var(--color-text);
}

.ailment-meta ul {
  padding-left: 1.2em;
}

.ailment-meta li {
  margin-bottom: 0.2em;
}

.ailment-resources {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-sm);
  margin-top: var(--space-sm);
}

.ailment-resources h3 {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.4rem;
}

.ailment-resources ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem var(--space-md);
}

.ailment-resources a {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
}

.ailment-resources a::before {
  content: "↗ ";
  font-size: 0.75em;
}

/* =========================================================
   Videos Page
   ========================================================= */

/* Loading state */
.video-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xl) 0;
  color: var(--color-muted);
  font-family: var(--font-ui);
  font-size: 0.95rem;
}

.video-loading-spinner {
  width: 2.5rem;
  height: 2.5rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Error state */
.video-error {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-xl);
}

.video-error-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-accent-dark);
  margin-bottom: var(--space-xs);
}

.video-error .error-detail {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

/* Video grid — mirrors .tree-grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-md);
  padding-bottom: var(--space-xl);
}

/* Video card */
.video-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.video-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 20px rgba(201, 122, 42, 0.15);
  color: inherit;
}

.video-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-border);
  overflow: hidden;
}

.video-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Play icon overlay */
.video-play-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 2px 8px rgba(0,0,0,0.6);
  opacity: 0;
  transition: opacity 0.18s;
  pointer-events: none;
}
.video-card:hover .video-play-icon {
  opacity: 1;
}

.video-card-body {
  padding: var(--space-sm) var(--space-sm) var(--space-md);
  flex: 1;
}

.video-card-body h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin-bottom: 0.4rem;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.video-card-date {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* "Short" badge shown next to date for Shorts */
.video-badge-short {
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-accent);
  color: #fff;
  padding: 0.15em 0.55em;
  border-radius: 99px;
}

/* =========================================================
   Contact Page
   ========================================================= */
.contact-wrap {
  max-width: 600px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
}

.label-optional {
  font-weight: 400;
  color: var(--color-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.97rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
  box-sizing: border-box;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-muted);
  opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201,122,42,0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.field-error {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: #d94f4f;
}

.form-actions {
  padding-top: 0.25rem;
}

/* Submit button spinner */
.btn-spinner {
  display: inline-block;
  width: 1em;
  height: 1em;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Success state */
.contact-success {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.contact-success-icon {
  width: 3rem;
  height: 3rem;
  line-height: 3rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0 auto var(--space-sm);
}

.contact-success h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  margin-top: var(--space-sm);
}
.btn-outline:hover {
  background: var(--color-accent);
  color: #fff;
}

/* Error state */
.contact-error {
  margin-top: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid #d94f4f;
  border-radius: var(--radius);
  background: rgba(217,79,79,0.07);
}

.contact-error-title {
  font-weight: 700;
  color: #d94f4f;
  margin-bottom: 0.3rem;
}

/* =========================================================
   About / Bio Page
   ========================================================= */
.bio {
  max-width: var(--max-width-prose);
  padding-bottom: var(--space-xl);
}

.bio p {
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.bio-origin-label {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.bio-pullquote {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  color: var(--color-accent);
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  margin: var(--space-md) 0;
  border-top: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  line-height: 1.25;
}

.bio-photo {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  margin: var(--space-md) 0;
  background: var(--color-surface);
  overflow: hidden;
}

.bio-photo-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.bio-photo-placeholder {
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #f5ede0;
  font-size: 3.5rem;
  gap: var(--space-xs);
}

[data-theme="dark"] .bio-photo-placeholder {
  background: #2a2038;
}

.bio-photo-caption {
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-style: italic;
}

.bio-section-heading {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-accent-dark);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--color-border);
}

.bio-collection-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  margin-top: var(--space-sm);
  transition: color 0.15s;
}

.bio-collection-link:hover {
  color: var(--color-accent-dark);
}

.bio-collection-link::after {
  content: "→";
}

/* =========================================================
   Symptom Checker Feature Section (home page)
   ========================================================= */
.checker-feature {
  background: linear-gradient(135deg, #2d1b6e 0%, #1a0f44 55%, #0d0828 100%);
  padding-block: var(--space-xl);
}

.checker-feature-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.checker-feature-label {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.checker-feature-heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: #e8e2f5;
  line-height: 1.2;
  margin-bottom: 0.75rem;
}

.checker-feature-desc {
  color: #9b93b5;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 400px;
  margin-bottom: var(--space-md);
}

.checker-feature-symptoms {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: var(--space-md);
}

.checker-feature-symptoms li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  color: #c8c0e0;
  font-size: 0.9rem;
  line-height: 1.45;
}

.checker-feature-symptoms li::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 0.1em;
  background: var(--color-accent);
  color: #fff;
  border-radius: 4px;
  font-size: 0.62rem;
  font-weight: 700;
}

.checker-feature-btn {
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.checker-feature-stats {
  font-size: 0.75rem;
  color: #524b6e;
  letter-spacing: 0.04em;
}

/* ── Result card mockup (right column) ────────────────── */
.checker-mockup {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}

.checker-mockup-header {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #e8e2f5;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.checker-mockup-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: var(--space-sm);
  margin-bottom: 0.65rem;
}

.checker-mockup-card:last-child {
  margin-bottom: 0;
}

.checker-mockup-top {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(201, 122, 42, 0.25);
}

.checker-mockup-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
}

.checker-mockup-card:not(.checker-mockup-top) .checker-mockup-row {
  margin-bottom: 0;
}

.checker-mockup-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.checker-mockup-title-col {
  flex: 1;
  min-width: 0;
}

.checker-mockup-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.12em 0.45em;
  border-radius: 99px;
  margin-bottom: 0.2rem;
}

.checker-mockup-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: #e8e2f5;
}

.checker-mockup-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  margin-left: auto;
}

.checker-mockup-track {
  width: 70px;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 99px;
  overflow: hidden;
}

.checker-mockup-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 99px;
}

.checker-mockup-bar-wrap span {
  font-size: 0.75rem;
  color: #9b93b5;
  white-space: nowrap;
}

.checker-mockup-treatments {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-left: 2.1rem;
}

.checker-mockup-step {
  font-size: 0.78rem;
  color: #9b93b5;
  padding-left: 0.6rem;
  border-left: 2px solid rgba(201, 122, 42, 0.35);
  line-height: 1.4;
}

.checker-mockup-step-faded {
  opacity: 0.35;
}

@media (max-width: 700px) {
  .checker-feature-inner {
    grid-template-columns: 1fr;
  }

  .checker-feature-right {
    display: none; /* mockup adds no value at mobile widths */
  }
}

/* =========================================================
   Guide Strip (home page download band)
   ========================================================= */
.guide-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-block: var(--space-lg);
}

.guide-strip-inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.guide-strip-icon {
  flex-shrink: 0;
  width: 64px;
  opacity: 0.9;
}

.guide-strip-text {
  flex: 1;
}

.guide-strip-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.35rem;
}

.guide-strip-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.3rem;
  color: var(--color-text);
}

.guide-strip-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}

.guide-strip-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

/* Fixed left-side guide download tab (diagnosis page) */
.guide-fixed-tab {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);

  /* writing-mode makes the element naturally tall and narrow —
     no rotation maths needed, works in all target browsers */
  writing-mode: vertical-lr;
  text-orientation: mixed;

  display: flex;
  align-items: center;
  gap: 0.5rem;

  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;

  padding: 1rem 0.55rem;
  /* Square against the left viewport edge; rounded on the visible right side */
  border-radius: 0 var(--radius) var(--radius) 0;

  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2);
  transition: background 0.15s, box-shadow 0.15s, padding-left 0.15s;
  z-index: 90;
}

.guide-fixed-tab:hover {
  background: var(--color-accent-dark);
  color: #fff;
  padding-left: 0.8rem; /* slight slide-out on hover */
  box-shadow: 3px 3px 16px rgba(0, 0, 0, 0.28);
}

/* The download SVG icon — counter-rotate so it points downward */
.guide-fixed-tab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(90deg); /* undo the writing-mode rotation for the icon */
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .guide-fixed-tab {
    font-size: 0.65rem;
    padding: 0.8rem 0.45rem;
  }
}

@media (max-width: 600px) {
  .guide-strip-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .guide-strip-icon {
    width: 48px;
  }

  .guide-strip-btn {
    width: 100%;
    justify-content: center;
  }
}

/* =========================================================
   Symptom Checker
   ========================================================= */
.checker-wrap {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.checker-header {
  margin-bottom: var(--space-md);
}

.checker-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.checker-header p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.checker-groups {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.checker-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg);
}

.checker-group legend {
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0 0.4rem;
  color: var(--color-text);
}

.checker-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.3rem 0;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  transition: color 0.15s;
}

.checker-item:hover {
  color: var(--color-text);
}

.checker-item input[type="checkbox"] {
  flex-shrink: 0;
  margin-top: 0.15rem;
  accent-color: var(--color-accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.checker-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

/* ── Results panel ── */
.checker-results {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
}

.checker-results-header {
  margin-bottom: var(--space-md);
}

.checker-results-header h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: var(--color-text);
}

.checker-results-header p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.checker-no-match {
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--space-sm) 0;
}

.checker-result-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--color-bg);
}

.checker-result-card.is-top-match {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(201, 122, 42, 0.2); /* fallback for browsers without color-mix */
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.result-title-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

.result-icon {
  font-size: 1.6rem;
  line-height: 1;
  flex-shrink: 0;
}

.result-title-text {
  flex: 1;
  min-width: 120px;
}

.best-match-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.15rem 0.5rem;
  border-radius: 99px;
  margin-bottom: 0.2rem;
}

.result-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
}

.result-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.result-bar-wrap > div {
  /* the track */
  width: 100px;
  height: 8px;
  background: var(--color-border);
  border-radius: 99px;
  overflow: hidden;
}

.result-bar {
  height: 100%;
  background: var(--color-accent);
  border-radius: 99px;
  transition: width 0.4s ease;
}

.result-pct {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.result-summary {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  line-height: 1.55;
}

.result-treatments {
  font-size: 0.88rem;
  margin-bottom: var(--space-sm);
}

.result-treatments ul {
  margin: 0.4rem 0 0 1.1rem;
  padding: 0;
}

.result-treatments li {
  margin-bottom: 0.3rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

.result-anchor-link {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  margin-top: 0.25rem;
}

.result-anchor-link:hover {
  text-decoration: underline;
}

/* =========================================================
   Hamburger / Mobile Nav
   ========================================================= */
.nav-hamburger {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.3em 0.45em;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  transition: border-color 0.15s;
}

.nav-hamburger:hover {
  border-color: var(--color-accent);
}

.nav-hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-muted);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.site-nav.nav-open .nav-hamburger span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.site-nav.nav-open .nav-hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-nav.nav-open .nav-hamburger span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }

  .site-nav .container {
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding-block: 0.75rem;
    gap: 0;
  }

  .site-nav .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 10;
    gap: 0;
    padding-top: 0.5rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--color-border);
    flex-wrap: nowrap;
  }

  .site-nav.nav-open .nav-links {
    display: flex;
  }

  .site-nav .nav-links li {
    width: 100%;
  }

  .site-nav .nav-links a {
    display: block;
    padding: 0.65rem 0.25rem;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-border);
    white-space: normal;
  }

  .site-nav .nav-links li:last-child a {
    border-bottom: none;
  }

  /* Keep logo and controls on one row */
  .site-nav .nav-logo { order: 1; }
  .nav-controls { order: 2; display: flex; align-items: center; gap: 0.5rem; }
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .hero {
    padding-block: var(--space-sm);
  }

  .hero .container {
    padding: var(--space-xs) var(--space-sm);
  }

  .tree-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

  /* Prevent iOS Safari from auto-zooming on input focus */
  input, textarea, select {
    font-size: 16px !important;
  }

  /* Larger touch targets for slider buttons on mobile */
  .photo-slider-btn {
    width: 2.75rem;
    height: 2.75rem;
  }
}

/* =========================================================
   FAQ Page
   ========================================================= */
.faq-wrap {
  max-width: var(--max-width-prose);
  margin: 2.5rem auto 4rem;
}

.faq-section {
  margin-bottom: 2.5rem;
}

.faq-group-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0.4rem;
  margin-bottom: 0.75rem;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  text-align: left;
  background: none;
  border: none;
  padding: 0.9rem 0;
  font-family: var(--font-body);
  font-size: 0.97rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: color 0.15s;
}

.faq-question:hover {
  color: var(--color-accent);
}

.faq-icon {
  flex-shrink: 0;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  color: var(--color-muted);
  transition: border-color 0.15s, color 0.15s, transform 0.2s;
  position: relative;
}

.faq-icon::before {
  content: '+';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity 0.15s;
}

.faq-item.faq-open .faq-icon {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 0 1rem;
  color: var(--color-text);
  font-size: 0.93rem;
  line-height: 1.7;
}

.faq-answer p { margin-bottom: 0.65rem; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer a { color: var(--color-link); }
.faq-answer ul { padding-left: 1.25rem; margin-bottom: 0.65rem; }
.faq-answer li { margin-bottom: 0.35rem; }

.faq-item.faq-open .faq-answer {
  display: block;
}

/* ── FAQ teaser on homepage ── */
.faq-teaser {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
}

.faq-teaser-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem 3rem;
  align-items: start;
}

.faq-teaser-intro {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}

.faq-teaser-intro h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0;
}

.faq-teaser-intro p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0.35rem 0 0;
}

.faq-teaser-q {
  border-left: 3px solid var(--color-accent);
  padding-left: 0.85rem;
}

.faq-teaser-q strong {
  display: block;
  font-size: 0.93rem;
  color: var(--color-text);
  margin-bottom: 0.3rem;
}

.faq-teaser-q p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.55;
}

.faq-video-link {
  display: block;
  position: relative;
  margin-top: 1rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  line-height: 0;
}

.faq-video-thumb {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  transition: brightness 0.2s;
}

.faq-video-link:hover .faq-video-thumb {
  brightness: 0.85;
  filter: brightness(0.85);
}

.faq-video-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
  transition: transform 0.2s;
}

.faq-video-play svg {
  width: 68px;
  height: 48px;
}

.faq-video-link:hover .faq-video-play {
  transform: translate(-50%, -50%) scale(1.08);
}

@media (max-width: 768px) {
  .faq-teaser-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .faq-teaser-intro {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* =========================================================
   Static Index (Selector & Calculator — crawler fallback)
   ========================================================= */
.static-index {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-lg);
}

.static-index-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.static-index-desc {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  max-width: 680px;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.static-index-group {
  margin-bottom: 2rem;
}

.static-index-group-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.35rem;
  margin-bottom: 0.75rem;
}

.static-index-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 0.35rem 2rem;
}

.static-index-list li {
  font-size: 0.85rem;
  line-height: 1.5;
  border-bottom: 1px solid var(--color-border);
  padding: 0.3rem 0;
}

.siv-name {
  font-weight: 600;
  color: var(--color-text);
}

.siv-name a {
  color: var(--color-link);
  text-decoration: none;
}

.siv-name a:hover {
  text-decoration: underline;
}

.siv-meta {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  display: block;
}

/* Timing table */
.static-timing-wrap {
  overflow-x: auto;
  margin-bottom: 2rem;
}

.static-timing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.static-timing-table th {
  text-align: left;
  padding: 0.6rem 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.static-timing-table td {
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}

.static-timing-table tbody tr:nth-child(even) td {
  background: var(--color-surface);
}

.static-timing-rules {
  max-width: 680px;
}

.static-timing-rules h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.static-timing-rules ul {
  padding-left: 1.25rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-text);
}

.static-timing-rules li {
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .static-index-list {
    grid-template-columns: 1fr;
  }
}