/* ================================================================
   csspastpapers.com — Main Stylesheet
   Fonts: System font stack (no external dependency)
   Palette: Navy #1a3557 | Sky #3b82f6 | Gold #c8893a
   ================================================================ */

/* ── CSS Custom Properties ────────────────────────────────── */
:root {
  --navy:        #1a3557;
  --navy-dark:   #0f2238;
  --navy-light:  #e8f0fa;
  --sky:         #3b82f6;
  --sky-light:   #dbeafe;
  --sky-dark:    #2563eb;
  --gold:        #c8893a;
  --gold-light:  #fef3e2;
  --white:       #ffffff;
  --gray-50:     #f8fafc;
  --gray-100:    #f1f5f9;
  --gray-200:    #e2e8f0;
  --gray-300:    #cbd5e1;
  --gray-400:    #94a3b8;
  --gray-500:    #64748b;
  --gray-600:    #475569;
  --gray-700:    #334155;
  --gray-800:    #1e293b;
  --green:       #16a34a;
  --green-light: #dcfce7;
  --red:         #dc2626;
  --red-light:   #fee2e2;

  /* System font stacks — works 100% offline */
  --font-heading: Georgia, 'Times New Roman', serif;
  --font-body:    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;

  --nav-h:      68px;
  --radius:     10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --shadow-xs:  0 1px 3px rgba(0,0,0,.07);
  --shadow-sm:  0 4px 6px -1px rgba(0,0,0,.08);
  --shadow-md:  0 10px 20px -3px rgba(0,0,0,.1);
  --shadow-lg:  0 20px 30px -5px rgba(0,0,0,.13);
  --transition: .2s ease;
}

/* ── Dark Mode ────────────────────────────────────────────── */
[data-theme="dark"] {
  --white:       #0f172a;
  --gray-50:     #1e293b;
  --gray-100:    #1e293b;
  --gray-200:    #334155;
  --gray-300:    #475569;
  --gray-400:    #64748b;
  --gray-500:    #94a3b8;
  --gray-600:    #cbd5e1;
  --gray-700:    #e2e8f0;
  --gray-800:    #f1f5f9;
  --navy-light:  #1e2d42;
  --sky-light:   #1e3a5f;
  --gold-light:  #2a1f0e;
  --green-light: #052e16;
  --red-light:   #450a0a;
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--gray-50);
  color: var(--gray-800);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background .25s, color .25s;
}
img { max-width: 100%; display: block; }
a { color: var(--sky); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--sky-dark); text-decoration: underline; }
ul { list-style: none; }
main { flex: 1; padding-top: var(--nav-h); }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: .5em;
}
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 { color: var(--gray-700); }

h1 { font-size: clamp(1.8rem, 4.5vw, 2.8rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.3rem); }
h4 { font-size: 1.05rem; }
p  { color: var(--gray-600); margin-bottom: .75rem; }
p:last-child { margin-bottom: 0; }

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--navy);
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-brand {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  flex-shrink: 0;
  text-decoration: none;
}
.nav-brand:hover { text-decoration: none; }
.nav-brand .brand-main {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.nav-brand .brand-sub {
  font-size: .68rem;
  color: rgba(255,255,255,.5);
  text-transform: uppercase;
  letter-spacing: .1em;
}

/* Desktop nav links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-link {
  display: inline-block;
  padding: 8px 13px;
  font-size: .87rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.nav-link:hover {
  background: rgba(255,255,255,.13);
  color: #fff;
  text-decoration: none;
}
.nav-link.active {
  background: rgba(59,130,246,.4);
  color: #fff;
  text-decoration: none;
}

/* Practice dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle::after {
  content: ' ▾';
  font-size: .68rem;
  opacity: .7;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 190px;
  overflow: hidden;
  z-index: 200;
}
[data-theme="dark"] .nav-dropdown-menu { background: #1e293b; border-color: #334155; }
.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu { display: block; }
.nav-dropdown-menu a {
  display: block;
  padding: 10px 16px;
  font-size: .88rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: background var(--transition);
  text-decoration: none;
}
.nav-dropdown-menu a:hover {
  background: var(--sky-light);
  color: var(--sky-dark);
  text-decoration: none;
}
[data-theme="dark"] .nav-dropdown-menu a { color: var(--gray-600); }

/* Dark mode toggle */
.dark-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.1);
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}
.dark-toggle:hover { background: rgba(255,255,255,.2); transform: rotate(15deg); }

/* Hamburger button */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile menu — HIDDEN BY DEFAULT ─────────────────────── */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: #0f2238;
  padding: 12px 16px 24px;
  z-index: 999;
  box-shadow: var(--shadow-lg);
  max-height: calc(100vh - var(--nav-h));
  overflow-y: auto;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 16px;
  font-size: .95rem;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  border-bottom: 1px solid rgba(255,255,255,.07);
  border-radius: var(--radius);
  transition: background var(--transition);
  text-decoration: none;
}
.mobile-menu a:hover {
  background: rgba(255,255,255,.1);
  color: #fff;
  text-decoration: none;
}
.mobile-menu a.active { color: #93c5fd; }
.mobile-section-label {
  display: block;
  font-size: .7rem;
  font-weight: 700;
  color: rgba(255,255,255,.3);
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: 16px 16px 6px;
}

/* ================================================================
   LAYOUT UTILITIES
   ================================================================ */
.container    { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 800px;  margin: 0 auto; padding: 0 24px; }
.section    { padding: 64px 0; }
.section-sm { padding: 40px 0; }
.section-alt { background: var(--white); }
.hidden { display: none !important; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* ── Section heading ─────────────────────────────────────── */
.section-heading { text-align: center; margin-bottom: 44px; }
.section-heading h2 { margin-bottom: 10px; }
.section-heading p { color: var(--gray-500); font-size: 1.05rem; max-width: 560px; margin: 0 auto; }
.section-heading h2::after {
  content: '';
  display: block;
  width: 44px; height: 3px;
  background: var(--gold);
  margin: 10px auto 0;
  border-radius: 2px;
}

/* ================================================================
   CARDS
   ================================================================ */
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:hover { box-shadow: var(--shadow-sm); }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 24px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky);
}
.btn-primary:hover {
  background: var(--sky-dark);
  border-color: var(--sky-dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(59,130,246,.35);
}
.btn-navy {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}
.btn-navy:hover { background: var(--navy-dark); border-color: var(--navy-dark); color: #fff; }
.btn-outline {
  background: transparent;
  color: var(--sky);
  border-color: var(--sky);
}
.btn-outline:hover { background: var(--sky-light); color: var(--sky-dark); }
.btn-sm { padding: 7px 16px; font-size: .83rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ================================================================
   PAGE HERO (inner pages)
   ================================================================ */
.page-hero {
  background: linear-gradient(135deg, #0f2238 0%, #1a3557 50%, #1e4976 100%);
  padding: 56px 0 48px;
  text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.page-hero p  { color: rgba(255,255,255,.65); font-size: 1.05rem; margin: 0; }
.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: .8rem;
  color: rgba(255,255,255,.45);
  margin-bottom: 14px;
}
.breadcrumb a { color: rgba(255,255,255,.55); }
.breadcrumb a:hover { color: #fff; text-decoration: none; }

/* ================================================================
   FORMS
   ================================================================ */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: .84rem; font-weight: 600; color: var(--gray-700); letter-spacing: .02em; }
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: .93rem;
  color: var(--gray-800);
  background: var(--white);
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}
.form-textarea { resize: vertical; min-height: 150px; line-height: 1.65; }
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .form-select {
  background: #1e293b;
  color: var(--gray-700);
  border-color: #334155;
}

/* ================================================================
   PILLS / BADGES
   ================================================================ */
.pill {
  display: inline-block;
  padding: 7px 18px;
  border-radius: 100px;
  font-size: .85rem;
  font-weight: 600;
  border: 1.5px solid var(--gray-300);
  background: var(--white);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.pill:hover, .pill.active {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky);
  text-decoration: none;
}
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .73rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.badge-navy  { background: var(--navy-light);  color: var(--navy); }
.badge-sky   { background: var(--sky-light);   color: var(--sky-dark); }
.badge-gold  { background: var(--gold-light);  color: var(--gold); }
.badge-green { background: var(--green-light); color: var(--green); }
.badge-red   { background: var(--red-light);   color: var(--red); }

/* ================================================================
   STAT BOXES
   ================================================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 14px;
}
.stat-box {
  background: var(--navy-light);
  border: 1px solid rgba(26,53,87,.12);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
}
[data-theme="dark"] .stat-box { background: #1e2d42; border-color: #334155; }
.stat-box .stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 4px;
}
[data-theme="dark"] .stat-box .stat-num { color: #93c5fd; }
.stat-box .stat-label {
  font-size: .71rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 600;
}

/* ================================================================
   ALERTS
   ================================================================ */
.alert {
  padding: 13px 17px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
  border: 1px solid;
  display: flex;
  align-items: flex-start;
  gap: 9px;
}
.alert-success { background: var(--green-light); color: var(--green); border-color: #86efac; }
.alert-warning { background: #fff7ed; color: #c2410c; border-color: #fdba74; }
.alert-info    { background: var(--sky-light);   color: var(--sky-dark); border-color: #93c5fd; }
.alert-error   { background: var(--red-light);   color: var(--red); border-color: #fca5a5; }
[data-theme="dark"] .alert-success { background: #052e16; border-color: #16a34a; }
[data-theme="dark"] .alert-warning { background: #431407; border-color: #c2410c; }
[data-theme="dark"] .alert-info    { background: #1e3a5f; border-color: #3b82f6; }
[data-theme="dark"] .alert-error   { background: #450a0a; border-color: #dc2626; }

/* ================================================================
   DIVIDER
   ================================================================ */
.divider { border: none; border-top: 1px solid var(--gray-200); margin: 28px 0; }

/* ================================================================
   TABS
   ================================================================ */
.tab-bar {
  display: flex;
  gap: 4px;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.tab-btn {
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: .9rem;
  font-weight: 600;
  color: var(--gray-500);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: -2px;
}
.tab-btn:hover { color: var(--sky); }
.tab-btn.active { color: var(--sky); border-bottom-color: var(--sky); }
.tab-panel { display: none; animation: fadeUp .25s ease; }
.tab-panel.active { display: block; }

/* ================================================================
   OUTPUT BOX (generator result)
   ================================================================ */
.output-box {
  background: var(--gold-light);
  border: 1.5px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  animation: fadeUp .35s ease;
}
.output-box .output-label {
  font-size: .7rem;
  font-weight: 700;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.output-box .output-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--gray-800);
  line-height: 1.45;
  margin-bottom: 10px;
}
.output-box .output-hint {
  font-size: .86rem;
  color: var(--gray-500);
  font-style: italic;
}
[data-theme="dark"] .output-box { background: #2a1f0e; border-color: var(--gold); }
[data-theme="dark"] .output-box .output-text { color: var(--gray-700); }

/* ================================================================
   PAST PAPERS — Subject Cards
   ================================================================ */
.subject-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: box-shadow var(--transition), transform var(--transition);
}
.subject-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.subject-card-header {
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  gap: 13px;
  background: linear-gradient(120deg, var(--navy-light) 0%, var(--white) 100%);
}
[data-theme="dark"] .subject-card-header { background: linear-gradient(120deg, #1e2d42 0%, #1e293b 100%); }
.subject-icon { font-size: 1.8rem; }
.subject-card-header h3 { margin: 0 0 2px; font-size: .95rem; }
.subject-card-header span { font-size: .75rem; color: var(--gray-500); }
.years-grid { padding: 16px 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.year-btn {
  padding: 6px 12px;
  border-radius: var(--radius);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.year-btn:hover {
  background: var(--sky);
  color: #fff;
  border-color: var(--sky);
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
  text-decoration: none;
}

/* ================================================================
   MCQ QUIZ
   ================================================================ */
.mcq-option-btn {
  width: 100%;
  padding: 13px 18px;
  text-align: left;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--radius);
  background: var(--white);
  font-family: var(--font-body);
  font-size: .93rem;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
}
.mcq-option-btn:hover:not(:disabled) {
  border-color: var(--sky);
  background: var(--sky-light);
  color: var(--sky-dark);
}
.opt-letter {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-300);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition);
}
.mcq-option-btn:hover:not(:disabled) .opt-letter {
  background: var(--sky); border-color: var(--sky); color: #fff;
}
.mcq-option-btn.correct { border-color: var(--green); background: var(--green-light); color: var(--green); }
.mcq-option-btn.correct .opt-letter { background: var(--green); border-color: var(--green); color: #fff; }
.mcq-option-btn.wrong   { border-color: var(--red);   background: var(--red-light);   color: var(--red); }
.mcq-option-btn.wrong .opt-letter   { background: var(--red);   border-color: var(--red);   color: #fff; }
.mcq-option-btn.reveal  { border-color: var(--green); background: var(--green-light); color: var(--green); }
.mcq-option-btn.reveal .opt-letter  { background: var(--green); border-color: var(--green); color: #fff; }
[data-theme="dark"] .mcq-option-btn { background: #1e293b; border-color: #334155; color: var(--gray-600); }
[data-theme="dark"] .mcq-option-btn.correct { background: #052e16; }
[data-theme="dark"] .mcq-option-btn.wrong   { background: #450a0a; }
[data-theme="dark"] .mcq-option-btn.reveal  { background: #052e16; }

.mcq-progress-wrap { margin-bottom: 20px; }
.mcq-progress-info {
  display: flex; justify-content: space-between;
  font-size: .82rem; color: var(--gray-500); margin-bottom: 6px;
}
.mcq-progress-bar  { height: 5px; background: var(--gray-200); border-radius: 3px; overflow: hidden; }
.mcq-progress-fill { height: 100%; background: var(--sky); border-radius: 3px; transition: width .4s ease; }

/* ================================================================
   ESSAY / TOOLS FEEDBACK
   ================================================================ */
.feedback-item {
  display: flex; gap: 10px; padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: .9rem; color: var(--gray-600);
  align-items: flex-start;
}
.feedback-item:last-child { border-bottom: none; }
.feedback-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }

/* Question type boxes */
.q-type-box {
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 14px;
  border: 1px solid;
  font-weight: 600;
  font-size: .95rem;
}
.q-type-discuss  { background: var(--green-light); border-color: #86efac; color: var(--green); }
.q-type-analyze  { background: #fff7ed; border-color: #fdba74; color: #c2410c; }
.q-type-evaluate { background: var(--red-light); border-color: #fca5a5; color: var(--red); }
.q-type-explain  { background: var(--sky-light); border-color: #93c5fd; color: var(--sky-dark); }
.q-type-default  { background: var(--navy-light); border-color: #93c5fd; color: var(--navy); }
[data-theme="dark"] .q-type-discuss  { background: #052e16; }
[data-theme="dark"] .q-type-analyze  { background: #431407; }
[data-theme="dark"] .q-type-evaluate { background: #450a0a; }
[data-theme="dark"] .q-type-explain  { background: #1e3a5f; }
[data-theme="dark"] .q-type-default  { background: #1e2d42; }

.q-step {
  display: flex; gap: 12px; padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
  font-size: .9rem; color: var(--gray-600);
  align-items: flex-start;
}
.q-step:last-child { border-bottom: none; }
.q-step-num {
  width: 24px; height: 24px;
  background: var(--sky); color: #fff;
  border-radius: 50%;
  font-size: .73rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ================================================================
   PRECIS FEEDBACK
   ================================================================ */
.precis-feedback-box {
  padding: 15px 18px;
  border-radius: var(--radius);
  font-size: .92rem;
  font-weight: 500;
  border: 1px solid;
  animation: fadeUp .3s ease;
}
.precis-good { background: var(--green-light); border-color: #86efac; color: var(--green); }
.precis-warn { background: #fff7ed; border-color: #fdba74; color: #c2410c; }
.precis-bad  { background: var(--red-light); border-color: #fca5a5; color: var(--red); }
[data-theme="dark"] .precis-good { background: #052e16; }
[data-theme="dark"] .precis-warn { background: #431407; }
[data-theme="dark"] .precis-bad  { background: #450a0a; }

/* ================================================================
   PROSE CONTENT (About / Privacy)
   ================================================================ */
.prose h2 {
  margin-top: 36px; margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gray-200);
}
.prose h2:first-child { margin-top: 0; }
.prose p { margin-bottom: 15px; line-height: 1.8; }
.prose ul { margin: 10px 0 18px; display: flex; flex-direction: column; gap: 8px; }
.prose li {
  padding: 10px 16px 10px 38px;
  position: relative;
  background: var(--gray-50);
  border-radius: var(--radius);
  font-size: .93rem;
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}
.prose li::before {
  content: '→';
  position: absolute;
  left: 13px;
  color: var(--sky);
  font-weight: 700;
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer {
  background: #0a1929;
  color: rgba(255,255,255,.7);
  padding: 48px 0 24px;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand p {
  font-size: .84rem;
  color: rgba(255,255,255,.4);
  margin-top: 8px;
  max-width: 250px;
  line-height: 1.7;
}
.brand-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: #fff;
  font-weight: 700;
}
.footer-col h4 {
  color: rgba(255,255,255,.85);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col li a {
  font-size: .87rem;
  color: rgba(255,255,255,.45);
  transition: color var(--transition);
}
.footer-col li a:hover { color: #fff; text-decoration: none; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom p { font-size: .79rem; color: rgba(255,255,255,.3); margin: 0; }
.footer-bottom a { color: rgba(255,255,255,.4); font-size: .79rem; }
.footer-bottom a:hover { color: #fff; text-decoration: none; }

/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.animate-fade-up { animation: fadeUp .4s ease both; }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .45s ease, transform .45s ease;
}
.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --nav-h: 62px; }

  /* Hide desktop nav, show hamburger */
  .nav-menu   { display: none !important; }
  .hamburger  { display: flex; }

  .section { padding: 44px 0; }
  .section-heading { margin-bottom: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
  .card { padding: 20px 18px; }
  .btn-lg { padding: 12px 24px; font-size: .95rem; }
  .tab-btn { padding: 8px 13px; font-size: .84rem; }
}

@media (max-width: 480px) {
  .container, .container-sm { padding: 0 14px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .years-grid { gap: 6px; }
  .year-btn { padding: 5px 9px; font-size: .77rem; }
}