/* =========================================
   Robinson Annulation Answer Hub
   Design: Editorial Academic / Dark Teal
   ========================================= */

:root {
  --bg:         #0d1117;
  --surface:    #161b22;
  --surface2:   #1e2530;
  --border:     #2a3340;
  --teal:       #0ea5a0;
  --teal-light: #2dd4bf;
  --amber:      #f59e0b;
  --text:       #e6edf3;
  --muted:      #8b949e;
  --muted2:     #6e7681;
  --heading:    #ffffff;
  --code-bg:    #1a2233;
  --radius:     8px;
  --radius-lg:  14px;
  --max-w:      1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Georgia', 'Times New Roman', serif;
  font-size: 17px;
  line-height: 1.75;
  min-height: 100vh;
}
img { display: block; max-width: 100%; height: auto; }
a { color: var(--teal-light); text-decoration: none; }
a:hover { text-decoration: underline; color: var(--teal); }
ul, ol { padding-left: 1.5rem; }

h1, h2, h3, h4, h5, h6 {
  font-family: 'Georgia', serif;
  color: var(--heading);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; margin-bottom: 0.75rem; }
h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
p { margin-bottom: 1.1rem; }
p:last-child { margin-bottom: 0; }
strong { color: var(--heading); }
em { color: var(--teal-light); font-style: italic; }
code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
  font-family: 'Courier New', monospace;
  font-size: 0.9em;
  color: #79c0ff;
}
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.article-container { max-width: 780px; margin: 0 auto; padding: 0 20px; }

/* NAVBAR */
.navbar {
  background: rgba(13,17,23,0.96);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(10px);
}
.navbar-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 20px; height: 60px; gap: 16px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: Georgia, serif; font-size: 1rem; font-weight: 700;
  color: var(--heading); text-decoration: none;
  white-space: nowrap; flex-shrink: 0;
}
.nav-brand:hover { text-decoration: none; color: var(--teal-light); }
.nav-logo {
  width: 34px; height: 34px;
  background: var(--teal); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900; color: #fff; flex-shrink: 0;
}
.nav-links { display: flex; list-style: none; padding: 0; margin: 0; gap: 2px; flex-wrap: wrap; }
.nav-links a {
  color: var(--muted); font-family: sans-serif; font-size: 0.84rem; font-weight: 500;
  padding: 6px 11px; border-radius: 6px; transition: color .2s, background .2s;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--teal-light); background: rgba(14,165,160,.12); text-decoration: none;
}
.nav-toggle {
  display: none; background: none; border: 1px solid var(--border);
  color: var(--text); padding: 6px 10px; border-radius: 6px;
  cursor: pointer; font-size: 1.1rem; line-height: 1; flex-shrink: 0;
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--surface); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 12px 20px 16px; gap: 2px;
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 0.9rem; padding: 9px 12px; }
}

/* BREADCRUMB */
.breadcrumb { background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px 0; }
.breadcrumb-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 20px;
  display: flex; align-items: center; gap: 6px;
  font-family: sans-serif; font-size: 0.8rem; color: var(--muted);
}
.breadcrumb-inner a { color: var(--teal); }
.breadcrumb-inner span { color: var(--muted2); }

/* HERO */
.hero {
  background: linear-gradient(135deg, #0d1117 0%, #0f1c24 50%, #091a1e 100%);
  border-bottom: 1px solid var(--border);
  padding: 64px 0 56px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 60% 40%, rgba(14,165,160,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(14,165,160,0.12); border: 1px solid rgba(14,165,160,0.3);
  color: var(--teal-light); font-family: sans-serif; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { margin-bottom: 16px; }
.hero-sub { color: var(--muted); font-size: 1.05rem; margin-bottom: 28px; line-height: 1.65; }
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--teal); color: #fff; border: none;
  border-radius: var(--radius); padding: 12px 24px;
  font-family: sans-serif; font-size: 0.9rem; font-weight: 700;
  cursor: pointer; transition: background .2s, transform .15s; display: inline-block;
}
.btn-primary:hover { background: var(--teal-light); transform: translateY(-1px); text-decoration: none; color: #fff; }
.btn-outline {
  background: transparent; color: var(--teal-light);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 24px; font-family: sans-serif; font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: border-color .2s, background .2s; display: inline-block;
}
.btn-outline:hover { border-color: var(--teal); background: rgba(14,165,160,.08); text-decoration: none; color: var(--teal-light); }
.hero-visual {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px;
  font-family: 'Courier New', monospace; font-size: 0.85rem;
}
.hero-visual .rxn-title {
  font-family: sans-serif; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-bottom: 18px;
}
.rxn-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.rxn-box {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px; text-align: center; min-width: 110px;
}
.rxn-box .label { font-family: sans-serif; font-size: 0.7rem; color: var(--muted); margin-bottom: 4px; }
.rxn-box .formula { color: #79c0ff; font-size: 1rem; }
.rxn-box .role { font-family: sans-serif; font-size: 0.68rem; color: var(--teal-light); margin-top: 4px; }
.rxn-plus { color: var(--muted2); font-size: 1.4rem; font-weight: 300; }
.rxn-arrow { color: var(--amber); font-size: 1.2rem; }
.rxn-product { background: rgba(14,165,160,.12); border-color: var(--teal); }
.rxn-steps {
  font-family: sans-serif; font-size: 0.78rem; color: var(--muted);
  margin-top: 12px; border-top: 1px solid var(--border); padding-top: 12px;
}
.rxn-steps span { color: var(--teal-light); font-weight: 600; }
@media (max-width: 700px) { .hero-inner { grid-template-columns: 1fr; gap: 32px; } }

/* SECTION */
.section-header { text-align: center; margin-bottom: 36px; }
.section-tag {
  display: inline-block;
  background: rgba(14,165,160,.1); border: 1px solid rgba(14,165,160,.25);
  color: var(--teal-light); font-family: sans-serif; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px; margin-bottom: 12px;
}
.section-header p { color: var(--muted); max-width: 560px; margin: 8px auto 0; font-size: 1rem; }
.section { padding: 64px 0; }
.section-alt { background: var(--surface); }

/* CARDS */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .cards-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .cards-grid { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 24px;
  transition: border-color .2s, transform .2s; display: flex; flex-direction: column;
}
.section-alt .card { background: var(--bg); }
.card:hover { border-color: var(--teal); transform: translateY(-3px); }
.card-icon { font-size: 1.6rem; margin-bottom: 12px; }
.card-cat {
  font-family: sans-serif; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); margin-bottom: 8px;
}
.card h3 { font-size: 1rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: 0.88rem; line-height: 1.6; flex: 1; }
.card-link { margin-top: 16px; font-family: sans-serif; font-size: 0.8rem; font-weight: 700; color: var(--teal-light); letter-spacing: 0.04em; }
.card-link:hover { text-decoration: none; color: var(--teal); }

/* FEATURED */
.featured-card {
  background: linear-gradient(135deg, #0d1f20 0%, #091a1e 100%);
  border: 1px solid rgba(14,165,160,.4); border-radius: var(--radius-lg);
  padding: 36px; display: grid; grid-template-columns: 1fr auto;
  gap: 28px; align-items: center; margin-bottom: 40px;
  position: relative; overflow: hidden;
}
.featured-card::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(14,165,160,.15) 0%, transparent 70%);
}
.featured-badge {
  font-family: sans-serif; font-size: 0.7rem; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--amber); color: #000; padding: 3px 10px;
  border-radius: 999px; display: inline-block; margin-bottom: 12px;
}
.featured-card h2 { font-size: 1.5rem; margin-bottom: 12px; }
.featured-card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 20px; }
.featured-card-visual {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px;
  font-family: 'Courier New', monospace; font-size: 0.8rem; color: #79c0ff;
  min-width: 200px; white-space: nowrap;
}
@media (max-width: 640px) { .featured-card { grid-template-columns: 1fr; } .featured-card-visual { min-width: 0; } }

/* NAMED REACTIONS */
.reactions-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 880px) { .reactions-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .reactions-grid { grid-template-columns: repeat(2, 1fr); } }
.reaction-chip {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  transition: border-color .2s, background .2s; display: block; color: var(--text);
}
.section-alt .reaction-chip { background: var(--surface2); }
.reaction-chip:hover { border-color: var(--teal); background: rgba(14,165,160,.07); text-decoration: none; color: var(--teal-light); }
.reaction-chip .r-name { font-family: Georgia, serif; font-size: 0.92rem; font-weight: 700; color: var(--heading); margin-bottom: 4px; }
.reaction-chip .r-desc { font-family: sans-serif; font-size: 0.75rem; color: var(--muted); }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 10px; overflow: hidden; }
.faq-q {
  width: 100%; background: var(--surface2); border: none;
  color: var(--heading); font-family: Georgia, serif; font-size: 1rem; font-weight: 600;
  padding: 16px 20px; text-align: left; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; transition: background .2s; line-height: 1.4;
}
.faq-q:hover { background: var(--surface); }
.faq-q .faq-icon { color: var(--teal); font-size: 1.3rem; flex-shrink: 0; font-weight: 300; transition: transform .3s; }
.faq-item.open .faq-q .faq-icon { transform: rotate(45deg); }
.faq-a {
  display: none; padding: 16px 20px; background: var(--surface);
  color: var(--muted); font-size: 0.93rem; line-height: 1.7;
  border-top: 1px solid var(--border);
}
.faq-item.open .faq-a { display: block; }

/* BLOG */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 780px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: transform .2s, border-color .2s; display: flex; flex-direction: column;
}
.section-alt .blog-card { background: var(--bg); }
.blog-card:hover { transform: translateY(-3px); border-color: var(--teal); }
.blog-thumb { height: 7px; background: linear-gradient(90deg, var(--teal) 0%, var(--teal-light) 100%); }
.blog-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.blog-cat { font-family: sans-serif; font-size: 0.69rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--teal); margin-bottom: 8px; }
.blog-card h3 { font-size: 0.95rem; margin-bottom: 8px; color: var(--heading); }
.blog-card p { color: var(--muted); font-size: 0.84rem; line-height: 1.6; flex: 1; }
.blog-meta { font-family: sans-serif; font-size: 0.75rem; color: var(--muted2); margin-top: 12px; }

/* TOC */
.toc-box {
  background: var(--surface); border: 1px solid var(--border);
  border-left: 3px solid var(--teal); border-radius: var(--radius); padding: 20px 24px; margin: 32px 0;
}
.toc-box .toc-title {
  font-family: sans-serif; font-size: 0.72rem; font-weight: 800;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px;
}
.toc-box ol { padding-left: 1.4rem; }
.toc-box li { margin-bottom: 6px; }
.toc-box a { font-family: sans-serif; font-size: 0.88rem; color: var(--teal-light); }
.toc-box a:hover { color: var(--teal); }

/* ARTICLE HERO */
.article-hero { background: var(--surface); border-bottom: 1px solid var(--border); padding: 48px 0 40px; }
.article-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.article-tag-pill {
  background: rgba(14,165,160,.12); border: 1px solid rgba(14,165,160,.25);
  color: var(--teal-light); font-family: sans-serif; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.07em; text-transform: uppercase; padding: 3px 10px; border-radius: 999px;
}
.article-date { font-family: sans-serif; font-size: 0.8rem; color: var(--muted); }
.article-hero h1 { margin-bottom: 16px; }
.article-deck { font-size: 1.1rem; color: var(--muted); max-width: 700px; margin-bottom: 20px; line-height: 1.65; }
.article-stats { display: flex; gap: 16px; flex-wrap: wrap; }
.article-stat {
  font-family: sans-serif; font-size: 0.78rem; color: var(--muted2);
  background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px;
}

/* ARTICLE BODY */
.article-body { padding: 48px 0 72px; }
.article-section { margin-bottom: 56px; }
.section-label {
  font-family: sans-serif; font-size: 0.7rem; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); margin-bottom: 10px;
}
.article-body h2 { font-size: 1.6rem; margin-bottom: 16px; border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.article-body h3 { font-size: 1.15rem; margin: 24px 0 10px; }
.callout-box {
  background: rgba(14,165,160,.06); border: 1px solid rgba(14,165,160,.25);
  border-radius: var(--radius); padding: 20px 24px; margin: 24px 0;
}
.callout-point { display: flex; align-items: flex-start; margin-bottom: 12px; gap: 12px; }
.callout-point:last-child { margin-bottom: 0; }
.num-badge {
  display: inline-flex; width: 28px; height: 28px;
  background: var(--teal); color: #fff;
  font-family: sans-serif; font-size: 0.85rem; font-weight: 800;
  border-radius: 50%; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 2px;
}
.callout-point div { flex: 1; line-height: 1.6; }

/* REACTANT GRID */
.reactant-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
@media (max-width: 560px) { .reactant-grid { grid-template-columns: 1fr; } }
.reactant-card {
  background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px;
}
.reactant-num {
  font-family: sans-serif; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; background: var(--surface); border: 1px solid var(--border);
  color: var(--muted); padding: 2px 8px; border-radius: 4px; display: inline-block; margin-bottom: 10px;
}
.reactant-card h3 { font-size: 1rem; margin-bottom: 4px; }
.reactant-role { font-family: sans-serif; font-size: 0.78rem; color: var(--teal-light); margin-bottom: 12px; }
.reactant-formula {
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 4px;
  padding: 8px 12px; font-family: 'Courier New', monospace;
  font-size: 0.88rem; color: #79c0ff; margin-bottom: 12px;
}
.reactant-card ul { font-size: 0.85rem; color: var(--muted); }
.reactant-card li { margin-bottom: 5px; }

/* MECHANISM STEPS */
.mech-step { display: flex; gap: 16px; margin-bottom: 20px; }
.mech-step-num {
  width: 36px; height: 36px; background: var(--teal); color: #fff;
  font-family: sans-serif; font-size: 0.9rem; font-weight: 800;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 2px;
}
.mech-step-body h4 { font-size: 1rem; margin-bottom: 4px; }
.mech-step-body p { color: var(--muted); font-size: 0.9rem; margin: 0; }

/* MCQ */
.mcq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 16px;
}
.mcq-num { font-family: sans-serif; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); margin-bottom: 8px; }
.mcq-q { font-family: Georgia, serif; font-size: 1rem; font-weight: 600; margin-bottom: 14px; color: var(--heading); }
.mcq-options { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 500px) { .mcq-options { grid-template-columns: 1fr; } }
.mcq-opt {
  background: var(--code-bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 14px; font-size: 0.88rem;
  cursor: pointer; transition: border-color .2s, background .2s; user-select: none;
  font-family: Georgia, serif;
}
.mcq-opt:hover { border-color: var(--teal); background: rgba(14,165,160,.07); }
.mcq-opt.correct { border-color: #22c55e; background: rgba(34,197,94,.1); color: #4ade80; }
.mcq-opt.wrong { border-color: #ef4444; background: rgba(239,68,68,.1); color: #f87171; }
.mcq-answer { display: none; margin-top: 12px; padding: 10px 14px; background: rgba(14,165,160,.07); border: 1px solid rgba(14,165,160,.2); border-radius: 6px; font-size: 0.88rem; color: var(--muted); }
.mcq-answer.show { display: block; }

/* REACTIONS TABLE */
.reactions-table { width: 100%; border-collapse: collapse; font-family: sans-serif; font-size: 0.88rem; }
.reactions-table th {
  background: var(--surface2); color: var(--teal-light);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em; text-transform: uppercase;
  padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border);
}
.reactions-table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text); }
.reactions-table tr:hover td { background: rgba(14,165,160,.04); }
.reactions-table td:first-child { font-family: Georgia, serif; font-weight: 700; color: var(--heading); }

/* LINK TILES */
.links-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
@media (max-width: 680px) { .links-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 440px) { .links-grid { grid-template-columns: 1fr; } }
.link-tile {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  transition: border-color .2s, background .2s; display: block;
}
.link-tile:hover { border-color: var(--teal); background: rgba(14,165,160,.07); text-decoration: none; }
.link-tile .lt-cat { font-family: sans-serif; font-size: 0.69rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--teal); margin-bottom: 6px; }
.link-tile .lt-title { font-family: Georgia, serif; font-size: 0.88rem; font-weight: 700; color: var(--heading); margin-bottom: 4px; }
.link-tile .lt-arrow { font-family: sans-serif; font-size: 0.78rem; color: var(--teal-light); margin-top: 8px; }

/* PAGE HERO */
.page-hero { background: var(--surface); border-bottom: 1px solid var(--border); padding: 52px 0 44px; }
.page-hero h1 { margin-bottom: 14px; }
.page-hero p { color: var(--muted); max-width: 620px; font-size: 1.02rem; }

/* LEGAL PAGES */
.legal-body { padding: 48px 0 80px; }
.legal-body h2 { font-size: 1.3rem; margin: 32px 0 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.legal-body p { color: var(--muted); margin-bottom: 1rem; }
.legal-body ul { color: var(--muted); margin-bottom: 1rem; }
.legal-body li { margin-bottom: 5px; }

/* CONTACT FORM */
.contact-form { max-width: 560px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-family: sans-serif; font-size: 0.82rem; font-weight: 700; color: var(--muted); margin-bottom: 6px; letter-spacing: 0.04em; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
  font-family: sans-serif; font-size: 0.92rem; padding: 10px 14px;
  transition: border-color .2s; outline: none;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--teal); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* NOTICE */
.notice-box {
  background: rgba(245,158,11,.07); border: 1px solid rgba(245,158,11,.3);
  border-radius: var(--radius); padding: 14px 18px;
  font-size: 0.88rem; color: var(--muted); margin: 20px 0;
}
.notice-box strong { color: var(--amber); }

/* QA */
.qa-item { border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.qa-q {
  background: var(--surface2); padding: 16px 20px;
  font-family: Georgia, serif; font-weight: 600; color: var(--heading);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 10px;
  border: none; width: 100%; text-align: left; font-size: 0.97rem; transition: background .2s;
}
.qa-q:hover { background: var(--surface); }
.qa-q .qa-icon { color: var(--teal); font-size: 1.2rem; flex-shrink: 0; font-weight: 300; transition: transform .3s; }
.qa-item.open .qa-q .qa-icon { transform: rotate(45deg); }
.qa-a { display: none; padding: 16px 20px; background: var(--surface); color: var(--muted); font-size: 0.9rem; line-height: 1.7; border-top: 1px solid var(--border); }
.qa-item.open .qa-a { display: block; }

/* CATEGORIES */
.categories-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0; }
.cat-pill {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 999px;
  padding: 5px 14px; font-family: sans-serif; font-size: 0.8rem; font-weight: 600;
  color: var(--muted); transition: border-color .2s, color .2s; display: inline-block;
}
.cat-pill:hover { border-color: var(--teal); color: var(--teal-light); text-decoration: none; }

/* FOOTER */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 48px 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px;
  max-width: var(--max-w); margin: 0 auto; padding: 0 20px 40px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 440px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand-name {
  font-family: Georgia, serif; font-size: 1.1rem; font-weight: 700;
  color: var(--heading); margin-bottom: 10px; display: flex; align-items: center; gap: 10px;
}
.footer-brand p { color: var(--muted); font-size: 0.85rem; margin-bottom: 12px; }
.footer-col h4 { font-family: sans-serif; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted2); margin-bottom: 12px; }
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: var(--muted); font-family: sans-serif; font-size: 0.84rem; transition: color .2s; }
.footer-col a:hover { color: var(--teal-light); text-decoration: none; }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 16px 20px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 10px; max-width: var(--max-w); margin: 0 auto;
  font-family: sans-serif; font-size: 0.78rem; color: var(--muted2);
}
.footer-bottom a { color: var(--muted); }
.footer-bottom a:hover { color: var(--teal-light); }
.footer-legal { display: flex; gap: 16px; flex-wrap: wrap; }

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-up { animation: fadeUp .55s ease both; }
.delay-1 { animation-delay: .08s; }
.delay-2 { animation-delay: .16s; }
.delay-3 { animation-delay: .24s; }
.delay-4 { animation-delay: .32s; }

::-webkit-scrollbar { width: 7px; background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--teal); }