/* === LP: 非エンジニアのためのAI学校 === */

:root {
  --navy-900: #0a1830;
  --navy-800: #0b1d3a;
  --navy-700: #14284f;
  --navy-600: #1e3a6d;
  --navy-500: #2d4d8c;
  --gold-500: #d4af5a;
  --gold-400: #e6c574;
  --gold-300: #f0d68a;
  --cream:    #faf6ec;
  --paper:    #f6f1e3;
  --ink:      #1a1f2e;
  --ink-soft: #4a5168;
  --line:     rgba(212,175,90,0.25);
  --danger:   #c1532a;
  --ok:       #3a7d57;
}

/* attack variant */
.theme-attack {
  --navy-900: #050d1f;
  --navy-800: #0a1631;
  --navy-700: #16306e;
  --navy-600: #1f49a8;
  --gold-500: #f5c542;
  --gold-400: #ffd961;
  --paper:    #faf6ec;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: 'Noto Sans JP', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ====== Section base ====== */
section {
  padding: 96px 0;
  position: relative;
}

@media (max-width: 768px) {
  section { padding: 64px 0; }
}

.sec-eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold-500);
  font-weight: 600;
  margin-bottom: 16px;
}

.sec-title {
  font-size: clamp(26px, 4.2vw, 40px);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin: 0 0 48px;
  color: var(--navy-900);
}

.sec-title .accent {
  color: var(--gold-500);
}

.sec-title .underline {
  background: linear-gradient(transparent 60%, rgba(212,175,90,0.4) 60%);
  padding: 0 4px;
}

/* ====== FV ====== */
.fv {
  background: var(--navy-900);
  padding: 0;
  overflow: hidden;
}

.fv-image-wrap {
  max-width: 1672px;
  margin: 0 auto;
  position: relative;
}

.fv-image-wrap img {
  width: 100%;
  height: auto;
}

.fv-tagline {
  background: var(--navy-900);
  color: var(--cream);
  text-align: center;
  padding: 48px 24px 24px;
  font-size: clamp(14px, 2vw, 18px);
  letter-spacing: 0.1em;
}
.fv-tagline strong {
  color: var(--gold-400);
  font-weight: 700;
}

/* ====== Empathy / Checklist ====== */
.empathy {
  background: var(--paper);
}

.checklist {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px 48px;
  box-shadow: 0 4px 24px rgba(10,24,48,0.04);
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(10,24,48,0.08);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.7;
  cursor: default;
}
.checklist-item:last-child { border-bottom: none; }

.checkbox {
  flex: 0 0 24px;
  width: 24px; height: 24px;
  border: 2px solid var(--navy-600);
  border-radius: 4px;
  position: relative;
  margin-top: 4px;
  background: #fff;
  transition: background 0.3s, border-color 0.3s;
}
.checkbox::after {
  content: "";
  position: absolute;
  left: 6px; top: 2px;
  width: 7px; height: 13px;
  border: solid var(--gold-500);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.3s ease;
  transform-origin: center;
}
.checklist-item.checked .checkbox {
  background: var(--navy-800);
  border-color: var(--navy-800);
}
.checklist-item.checked .checkbox::after {
  transform: rotate(45deg) scale(1);
}

.empathy-conclusion {
  text-align: center;
  margin-top: 56px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 2;
  color: var(--navy-900);
}
.empathy-conclusion .lead {
  display: block;
  color: var(--gold-500);
  font-size: 0.85em;
  margin-bottom: 8px;
}

/* ====== Stats ====== */
.stats {
  background: var(--navy-900);
  color: var(--cream);
}
.stats .sec-title { color: var(--cream); }
.stats .sec-title .accent { color: var(--gold-400); }

.stats-intro {
  text-align: center;
  color: rgba(250,246,236,0.7);
  margin-bottom: 64px;
  font-size: 15px;
  letter-spacing: 0.1em;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1080px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .stat-grid { grid-template-columns: 1fr; gap: 24px; }
}

.stat-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(212,175,90,0.2);
  border-radius: 4px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
}
.stat-card::before {
  content: "";
  position: absolute;
  top: -1px; left: -1px; right: -1px;
  height: 3px;
  background: var(--gold-500);
}

.stat-number {
  font-size: clamp(48px, 7vw, 72px);
  font-weight: 800;
  color: var(--gold-400);
  line-height: 1;
  letter-spacing: -0.02em;
  font-feature-settings: "tnum";
}
.stat-unit {
  font-size: 0.5em;
  color: var(--gold-300);
  margin-left: 4px;
}

.stat-label {
  margin-top: 16px;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--cream);
  font-weight: 600;
}
.stat-sub {
  margin-top: 8px;
  font-size: 12px;
  color: rgba(250,246,236,0.6);
  line-height: 1.6;
}

.stats-source {
  margin-top: 48px;
  text-align: center;
  font-size: 11px;
  color: rgba(250,246,236,0.5);
  letter-spacing: 0.05em;
  line-height: 1.8;
}

.stats-conclusion {
  margin-top: 64px;
  text-align: center;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 2;
}
.stats-conclusion .strike { color: rgba(250,246,236,0.5); }
.stats-conclusion .strong { color: var(--gold-400); }

/* ====== Curriculum ====== */
.curriculum {
  background: var(--paper);
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}
@media (max-width: 768px) {
  .curriculum-grid { grid-template-columns: 1fr; }
}

.lesson-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}
.lesson-num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold-500);
  font-weight: 700;
  margin-bottom: 12px;
  font-family: 'Inter', monospace;
}
.lesson-num .num {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: 0;
  color: var(--navy-800);
  vertical-align: middle;
  margin-right: 8px;
}
.lesson-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-900);
  margin: 0 0 12px;
  line-height: 1.5;
}
.lesson-body {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
  margin: 0;
}

.gifts {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700));
  border-radius: 8px;
  padding: 40px 48px;
  color: var(--cream);
  border: 1px solid var(--gold-500);
}
.gifts-head {
  font-size: 14px;
  letter-spacing: 0.3em;
  color: var(--gold-400);
  font-weight: 700;
  margin-bottom: 24px;
}
.gift-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px dashed rgba(212,175,90,0.3);
  font-size: 15px;
  line-height: 1.7;
}
.gift-item:first-of-type { border-top: none; }
.gift-icon {
  flex: 0 0 32px;
  font-size: 24px;
}
.gift-title { font-weight: 700; color: var(--gold-300); }
.gift-desc { color: rgba(250,246,236,0.75); font-size: 13px; }

/* ====== Audience ====== */
.audience { background: #fff; }

.audience-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
@media (max-width: 768px) {
  .audience-grid { grid-template-columns: 1fr; }
}

.aud-box {
  border-radius: 8px;
  padding: 32px;
}
.aud-box.fit {
  background: var(--paper);
  border: 1px solid var(--line);
}
.aud-box.unfit {
  background: rgba(193,83,42,0.05);
  border: 1px solid rgba(193,83,42,0.2);
}
.aud-head {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--navy-900);
}
.aud-head .badge {
  display: inline-block;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 3px;
  background: var(--navy-800);
  color: var(--gold-400);
  margin-right: 8px;
  letter-spacing: 0.1em;
  vertical-align: middle;
}
.aud-box.unfit .aud-head .badge {
  background: var(--danger);
  color: #fff;
}
.aud-list {
  list-style: none;
  margin: 0; padding: 0;
}
.aud-list li {
  padding: 10px 0 10px 32px;
  position: relative;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  border-bottom: 1px dashed rgba(10,24,48,0.06);
}
.aud-list li:last-child { border-bottom: none; }
.aud-list.fit li::before {
  content: "✓";
  position: absolute; left: 4px; top: 8px;
  width: 22px; height: 22px;
  background: var(--navy-800);
  color: var(--gold-400);
  border-radius: 3px;
  text-align: center;
  font-size: 12px;
  line-height: 22px;
  font-weight: 700;
}
.aud-list.unfit li::before {
  content: "×";
  position: absolute; left: 4px; top: 8px;
  width: 22px; height: 22px;
  background: var(--danger);
  color: #fff;
  border-radius: 3px;
  text-align: center;
  font-size: 14px;
  line-height: 22px;
  font-weight: 700;
}
.unfit-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.7;
  padding-left: 32px;
}

/* ====== Speaker ====== */
.speaker {
  background: var(--cream);
}

.speaker-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
  align-items: start;
}
@media (max-width: 768px) {
  .speaker-card {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .speaker-avatar { margin: 0 auto; }
}

.speaker-avatar {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy-700), var(--navy-900));
  position: relative;
  overflow: hidden;
  border: 3px solid var(--gold-500);
  box-shadow: 0 8px 24px rgba(10,24,48,0.15);
}
.speaker-avatar svg {
  width: 100%;
  height: 100%;
  display: block;
}

.speaker-name {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy-900);
  margin: 0 0 6px;
  line-height: 1.3;
}
.speaker-name .ruby {
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 500;
  margin-left: 8px;
}
.speaker-role {
  font-size: 13px;
  color: var(--gold-500);
  letter-spacing: 0.15em;
  font-weight: 700;
  margin-bottom: 24px;
}
.speaker-bio {
  font-size: 14px;
  line-height: 2;
  color: var(--ink);
  margin: 0 0 24px;
}
.speaker-quote {
  border-left: 3px solid var(--gold-500);
  padding: 8px 0 8px 20px;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-800);
  line-height: 1.8;
  margin: 24px 0;
  font-feature-settings: "palt";
}

/* ====== FAQ ====== */
.faq { background: #fff; }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item:first-child { border-top: 1px solid var(--line); }

.faq-q {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy-900);
  user-select: none;
  transition: background 0.2s;
}
.faq-q:hover { background: rgba(212,175,90,0.04); }
.faq-q-mark {
  flex: 0 0 32px;
  width: 32px; height: 32px;
  background: var(--navy-800);
  color: var(--gold-400);
  border-radius: 4px;
  text-align: center;
  line-height: 32px;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
}
.faq-q-text { flex: 1; line-height: 1.6; }
.faq-q-toggle {
  flex: 0 0 24px;
  width: 24px; height: 24px;
  position: relative;
  transition: transform 0.3s;
}
.faq-q-toggle::before, .faq-q-toggle::after {
  content: "";
  position: absolute;
  background: var(--navy-800);
  border-radius: 1px;
}
.faq-q-toggle::before {
  top: 11px; left: 4px;
  width: 16px; height: 2px;
}
.faq-q-toggle::after {
  top: 4px; left: 11px;
  width: 2px; height: 16px;
  transition: transform 0.3s;
}
.faq-item.open .faq-q-toggle::after { transform: rotate(90deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.open .faq-a { max-height: 500px; }

.faq-a-inner {
  display: flex;
  gap: 16px;
  padding: 0 8px 24px 8px;
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink-soft);
}
.faq-a-mark {
  flex: 0 0 32px;
  width: 32px; height: 32px;
  background: var(--gold-500);
  color: #fff;
  border-radius: 4px;
  text-align: center;
  line-height: 32px;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
}
.faq-a-text { flex: 1; padding-top: 4px; }

/* ====== CTA ====== */
.cta {
  background: var(--navy-900);
  color: var(--cream);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(212,175,90,0.08), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(212,175,90,0.06), transparent 50%);
  pointer-events: none;
}
.cta > * { position: relative; }

.cta .sec-title { color: var(--cream); }
.cta-desc {
  max-width: 640px;
  margin: 0 auto 56px;
  font-size: 16px;
  line-height: 2;
  color: rgba(250,246,236,0.85);
}

.event-info {
  max-width: 560px;
  margin: 0 auto 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(212,175,90,0.3);
  border: 1px solid var(--gold-500);
}
@media (max-width: 480px) {
  .event-info { grid-template-columns: 1fr; }
}
.event-cell {
  background: var(--navy-800);
  padding: 20px;
  text-align: left;
}
.event-cell .lbl {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-400);
  font-weight: 700;
  margin-bottom: 6px;
}
.event-cell .val {
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.cta-btn {
  display: inline-block;
  background: var(--gold-500);
  color: var(--navy-900);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 800;
  padding: 22px 48px;
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.05em;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  box-shadow: 0 6px 0 rgba(0,0,0,0.25), 0 12px 32px rgba(212,175,90,0.3);
  cursor: pointer;
  border: none;
}
.cta-btn:hover {
  background: var(--gold-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 0 rgba(0,0,0,0.25), 0 16px 36px rgba(212,175,90,0.4);
}
.cta-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 0 rgba(0,0,0,0.25), 0 6px 16px rgba(212,175,90,0.3);
}
.cta-btn .arrow {
  margin-right: 8px;
  display: inline-block;
  transition: transform 0.2s;
}
.cta-btn:hover .arrow { transform: translateX(-2px); }

.cta-note {
  margin-top: 24px;
  font-size: 12px;
  color: rgba(250,246,236,0.5);
}

/* ====== Footer ====== */
footer {
  background: var(--navy-900);
  color: rgba(250,246,236,0.6);
  padding: 48px 24px;
  text-align: center;
  border-top: 1px solid rgba(212,175,90,0.2);
  font-size: 13px;
  line-height: 2;
}
footer .ft-brand {
  font-size: 16px;
  font-weight: 700;
  color: var(--gold-400);
  margin-bottom: 8px;
}
footer .ft-tag {
  margin-top: 24px;
  font-size: 13px;
  color: var(--gold-300);
  font-style: italic;
}

/* ====== Reveal animation ====== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* ====== Attack variant overrides ====== */
.theme-attack .sec-title {
  font-size: clamp(28px, 5vw, 52px);
  letter-spacing: -0.01em;
}
.theme-attack .stat-number {
  font-size: clamp(56px, 9vw, 96px);
}
.theme-attack .cta-btn {
  background: linear-gradient(135deg, var(--gold-500), var(--gold-400));
}
.theme-attack .stats {
  background:
    radial-gradient(circle at 20% 20%, rgba(31,73,168,0.4), transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(212,175,90,0.1), transparent 60%),
    var(--navy-900);
}
.theme-attack .lesson-card {
  border-left: 3px solid var(--gold-500);
}

/* =====================================================
   Mobile optimization (< 768px)
   ===================================================== */
@media (max-width: 768px) {
  body {
    font-size: 15px;
    line-height: 1.75;
  }

  .container, .container-wide {
    padding: 0 20px;
  }

  /* Section vertical rhythm */
  section {
    padding: 56px 0;
  }

  .sec-title {
    font-size: 24px;
    line-height: 1.5;
    margin: 0 0 32px;
  }
  .sec-eyebrow {
    font-size: 11px;
    letter-spacing: 0.25em;
    margin-bottom: 12px;
  }

  /* FV — horizontal image is small on mobile, soften the impact */
  .fv-image-wrap {
    overflow: hidden;
  }
  /* Mobile FV image already contains tagline + event info — hide redundant elements */
  .fv-tagline {
    display: none;
  }

  /* Empathy / Checklist */
  .checklist {
    padding: 24px 20px;
    border-radius: 10px;
  }
  .checklist-item {
    font-size: 14px;
    gap: 12px;
    padding: 12px 0;
    line-height: 1.7;
  }
  .checkbox {
    flex: 0 0 22px;
    width: 22px;
    height: 22px;
  }
  .checkbox::after {
    left: 5px;
    top: 1px;
    width: 6px;
    height: 12px;
  }
  .empathy-conclusion {
    margin-top: 36px;
    font-size: 17px;
    line-height: 1.9;
  }

  /* Stats */
  .stat-card {
    padding: 32px 24px;
  }
  .stat-number {
    font-size: 56px;
  }
  .stat-label {
    font-size: 13px;
  }
  .stats-conclusion {
    margin-top: 40px;
    font-size: 17px;
    line-height: 1.9;
  }
  .stats-source {
    font-size: 10px;
    line-height: 1.7;
    margin-top: 32px;
    padding: 0 8px;
  }

  /* Curriculum */
  .curriculum-grid {
    gap: 16px;
    margin-bottom: 40px;
  }
  .lesson-card {
    padding: 24px 22px;
  }
  .lesson-num .num {
    font-size: 28px;
  }
  .lesson-title {
    font-size: 18px;
    margin: 0 0 10px;
  }
  .lesson-body {
    font-size: 13.5px;
  }
  .gifts {
    padding: 28px 24px;
    border-radius: 8px;
  }
  .gifts-head {
    font-size: 12px;
    letter-spacing: 0.25em;
    margin-bottom: 16px;
  }
  .gift-item {
    font-size: 14px;
    padding: 14px 0;
    gap: 12px;
  }
  .gift-icon {
    flex: 0 0 28px;
    font-size: 22px;
  }
  .gift-desc {
    font-size: 12px;
  }

  /* Audience */
  .aud-box {
    padding: 24px 20px;
  }
  .aud-head {
    font-size: 15px;
  }
  .aud-list li {
    font-size: 14px;
    padding: 10px 0 10px 30px;
    line-height: 1.65;
  }
  .aud-list.fit li::before,
  .aud-list.unfit li::before {
    width: 20px;
    height: 20px;
    line-height: 20px;
    font-size: 11px;
  }
  .unfit-note {
    padding-left: 30px;
    font-size: 11.5px;
  }

  /* Speaker */
  .speaker-avatar {
    width: 160px;
    height: 160px;
  }
  .speaker-name {
    font-size: 22px;
  }
  .speaker-name .ruby {
    font-size: 12px;
    display: inline-block;
    margin-left: 6px;
  }
  .speaker-role {
    font-size: 12px;
    letter-spacing: 0.1em;
    margin-bottom: 18px;
  }
  .speaker-bio {
    font-size: 13.5px;
    line-height: 1.95;
    text-align: left;
  }
  .speaker-quote {
    font-size: 15px;
    text-align: left;
    padding: 6px 0 6px 16px;
  }

  /* FAQ */
  .faq-q {
    padding: 18px 4px;
    font-size: 14.5px;
    gap: 12px;
  }
  .faq-q-mark, .faq-a-mark {
    flex: 0 0 28px;
    width: 28px;
    height: 28px;
    line-height: 28px;
    font-size: 13px;
  }
  .faq-a-inner {
    font-size: 13px;
    padding: 0 4px 20px 4px;
    gap: 12px;
  }

  /* CTA */
  .cta-desc {
    font-size: 14.5px;
    line-height: 1.9;
    margin-bottom: 36px;
  }
  .event-info {
    margin-bottom: 36px;
  }
  .event-cell {
    padding: 16px 18px;
  }
  .event-cell .lbl {
    font-size: 10px;
    letter-spacing: 0.18em;
  }
  .event-cell .val {
    font-size: 14.5px;
    line-height: 1.6;
  }
  .cta-btn {
    font-size: 15px;
    padding: 18px 24px;
    width: 100%;
    max-width: 360px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 0 rgba(0,0,0,0.25), 0 8px 20px rgba(212,175,90,0.3);
  }
  .cta-note {
    font-size: 11px;
    margin-top: 20px;
    padding: 0 16px;
  }

  /* Footer */
  footer {
    padding: 36px 20px;
    font-size: 12px;
  }
  footer .ft-brand {
    font-size: 15px;
  }
  footer .ft-tag {
    font-size: 12px;
    margin-top: 18px;
  }
}

/* =====================================================
   Small phones (< 480px) — extra tightening
   ===================================================== */
@media (max-width: 480px) {
  .container, .container-wide {
    padding: 0 16px;
  }
  section {
    padding: 48px 0;
  }
  .sec-title {
    font-size: 22px;
  }
  .stat-number {
    font-size: 48px;
  }
  .stat-card {
    padding: 28px 20px;
  }
  .speaker-avatar {
    width: 140px;
    height: 140px;
  }
  .cta-btn {
    font-size: 14px;
    padding: 16px 18px;
  }
  /* Stack event-info to single column already happens at 480px in base CSS */
}

/* iOS Safari: prevent text auto-zoom on landscape */
@media screen and (max-width: 768px) {
  html {
    -webkit-text-size-adjust: 100%;
  }
}