/* ============================================================
   AI Street — Stylesheet
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1e293b;
  background: #f8fafc;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button, input, select, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

/* --- Variables --- */
:root {
  --blue: #2563eb;
  --blue-light: #3b82f6;
  --blue-dark: #1d4ed8;
  --blue-bg: #eff6ff;
  --navy: #0f172a;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --green: #16a34a;
  --green-bg: #f0fdf4;
  --red: #dc2626;
  --red-bg: #fef2f2;
  --amber: #d97706;
  --amber-bg: #fffbeb;
  --purple: #7c3aed;
  --purple-bg: #f5f3ff;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 1px 3px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 2px 8px rgba(0,0,0,0.04);
  --max-width: 1200px;
  --transition: 0.2s ease;
}

/* --- Utility --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section--gray { background: var(--gray-100); }
.text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* --- Header --- */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}
.header__inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.header__logo {
  font-weight: 800; font-size: 1.25rem; color: var(--navy);
  display: flex; align-items: center; gap: 8px;
}
.header__logo-sub {
  font-size: 0.65rem; font-weight: 500; color: var(--gray-500);
  display: none;
}
@media (min-width: 768px) {
  .header__logo-sub { display: inline; }
}
.header__nav { display: flex; align-items: center; gap: 8px; }
.header__link {
  font-size: 0.875rem; font-weight: 600; padding: 8px 16px;
  border-radius: var(--radius-sm); transition: background var(--transition);
  white-space: nowrap;
}
.header__link:hover { background: var(--gray-100); }
.header__link--primary {
  background: var(--blue); color: #fff;
}
.header__link--primary:hover { background: var(--blue-dark); }

/* Mobile nav */
.header__menu-btn {
  display: none; cursor: pointer; padding: 8px;
  font-size: 1.5rem; line-height: 1;
}
@media (max-width: 767px) {
  .header__menu-btn { display: block; }
  .header__nav {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--gray-200);
    flex-direction: column; padding: 16px 24px; gap: 4px;
  }
  .header__nav.is-open { display: flex; }
  .header__link { width: 100%; text-align: center; padding: 12px 16px; }
}

/* --- Footer --- */
.footer {
  background: var(--navy); color: var(--gray-400); padding: 48px 0 32px;
  font-size: 0.875rem;
}
.footer__inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
}
.footer__top {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  gap: 32px; margin-bottom: 32px;
}
.footer__brand { font-weight: 800; font-size: 1.1rem; color: #fff; margin-bottom: 8px; }
.footer__links { display: flex; flex-wrap: wrap; gap: 16px 32px; }
.footer__links a { transition: color var(--transition); }
.footer__links a:hover { color: #fff; }
.footer__copy { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 0.95rem;
  padding: 14px 28px; border-radius: var(--radius-sm);
  cursor: pointer; transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn--outline { border: 2px solid var(--gray-300); color: var(--gray-700); }
.btn--outline:hover { border-color: var(--blue); color: var(--blue); }
.btn--large { padding: 18px 36px; font-size: 1.05rem; border-radius: var(--radius); }
.btn--ghost { color: var(--gray-600); }
.btn--ghost:hover { color: var(--blue); background: var(--blue-bg); }
.btn--green { background: var(--green); color: #fff; }
.btn--green:hover { background: #15803d; }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: #b91c1c; }
.btn--amber { background: var(--amber); color: #fff; }
.btn--amber:hover { background: #b45309; }
.btn--block { width: 100%; }

/* --- Hero --- */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1e3a5f 50%, var(--blue-dark) 100%);
  color: #fff; padding: 80px 0 96px; text-align: center;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(37,99,235,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(99,102,241,0.1) 0%, transparent 50%);
}
.hero__inner { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; padding: 0 24px; }
.hero__title {
  font-size: clamp(1.8rem, 5vw, 3rem); font-weight: 800;
  line-height: 1.3; margin-bottom: 16px;
}
.hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem); color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
}
.hero__search {
  max-width: 560px; margin: 0 auto 32px; position: relative;
}
.hero__search input {
  width: 100%; padding: 16px 52px 16px 20px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50px; color: #fff; font-size: 1rem;
  transition: all var(--transition);
}
.hero__search input::placeholder { color: rgba(255,255,255,0.5); }
.hero__search input:focus {
  background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.4);
}
.hero__search-icon {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 1.2rem; opacity: 0.5;
}
.hero__cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero__cta .btn--outline { border-color: rgba(255,255,255,0.4); color: #fff; }
.hero__cta .btn--outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* --- Section Titles --- */
.section-title {
  font-size: clamp(1.4rem, 3vw, 1.8rem); font-weight: 800;
  text-align: center; margin-bottom: 16px;
}
.section-subtitle {
  text-align: center; color: var(--gray-500); margin-bottom: 48px;
  font-size: 0.95rem; max-width: 600px; margin-left: auto; margin-right: auto;
}

/* --- Explainer (3-step comic) --- */
.explainer {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px; max-width: 900px; margin: 0 auto;
}
.explainer__step {
  background: #fff; border-radius: var(--radius); padding: 32px 24px;
  text-align: center; box-shadow: var(--shadow);
}
.explainer__icon { font-size: 2.5rem; margin-bottom: 16px; }
.explainer__num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700; font-size: 0.8rem;
  margin-bottom: 12px;
}
.explainer__title { font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; }
.explainer__text { font-size: 0.9rem; color: var(--gray-600); line-height: 1.6; }

/* --- Badge cards (4 types) --- */
.badge-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.badge-card {
  border-radius: var(--radius); padding: 28px 24px;
  border: 2px solid var(--gray-200); background: #fff;
  transition: all var(--transition);
}
.badge-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.badge-card__icon { font-size: 2rem; margin-bottom: 12px; }
.badge-card__title { font-weight: 700; font-size: 1.05rem; margin-bottom: 8px; }
.badge-card__text { font-size: 0.875rem; color: var(--gray-600); }
.badge-card--green  { border-color: #bbf7d0; }
.badge-card--red    { border-color: #fecaca; }
.badge-card--amber  { border-color: #fde68a; }
.badge-card--purple { border-color: #ddd6fe; }

/* --- Steps --- */
.steps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 48px; max-width: 900px; margin: 0 auto;
}
.steps-col__title {
  font-weight: 700; font-size: 1.1rem; margin-bottom: 24px; text-align: center;
  padding-bottom: 16px; border-bottom: 2px solid var(--gray-200);
}
.step-item {
  display: flex; gap: 16px; margin-bottom: 24px;
}
.step-item__num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue-bg); color: var(--blue); font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.step-item__title { font-weight: 600; margin-bottom: 4px; }
.step-item__text { font-size: 0.875rem; color: var(--gray-600); }

/* --- Trust / Safety --- */
.trust-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.trust-item {
  text-align: center; padding: 24px 16px;
}
.trust-item__icon { font-size: 2rem; margin-bottom: 12px; }
.trust-item__title { font-weight: 700; margin-bottom: 6px; }
.trust-item__text { font-size: 0.85rem; color: var(--gray-500); }

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  display: block; background: #fff; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  transition: all var(--transition); cursor: pointer;
  border: 1px solid var(--gray-200);
}
.card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}
.card__screen {
  position: relative; overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card__screen svg { width: 100%; height: auto; display: block; }
.card__badge {
  display: inline-block; font-size: 0.75rem; font-weight: 600;
  padding: 4px 10px; border-radius: 50px; margin: 12px 16px 0;
}
.card__body { padding: 8px 16px 16px; }
.card__title { font-weight: 700; font-size: 1.05rem; margin-bottom: 4px; }
.card__tagline {
  font-size: 0.85rem; color: var(--gray-500);
  margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card__meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.card__developer {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.8rem; color: var(--gray-600);
}
.avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border-radius: 50%;
  color: #fff; font-size: 0.65rem; font-weight: 700;
  flex-shrink: 0;
}
.card__stats {
  display: flex; gap: 10px; font-size: 0.8rem; color: var(--gray-400);
}
.card__rating { color: var(--amber); }
.card__footer {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
}
.card__price { font-weight: 700; font-size: 0.9rem; color: var(--green); }
.card__price--paid { color: var(--red); }
.card__verified {
  font-size: 0.7rem; font-weight: 600; color: var(--blue);
  background: var(--blue-bg); padding: 2px 8px; border-radius: 50px;
}
.card__completeness {
  font-size: 0.7rem; font-weight: 600; color: var(--amber);
  background: var(--amber-bg); padding: 2px 8px; border-radius: 50px;
}

/* Large card variant */
.card--large .card__title { font-size: 1.15rem; }

/* --- Street page --- */
.street-header { padding: 32px 0 0; }
.street-search {
  max-width: 600px; margin: 0 auto 24px; position: relative;
}
.street-search input {
  width: 100%; padding: 14px 48px 14px 20px;
  background: #fff; border: 2px solid var(--gray-200);
  border-radius: 50px; font-size: 1rem;
  transition: all var(--transition);
}
.street-search input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.street-search__icon {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 1.1rem; color: var(--gray-400);
}
.street-search__results {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200); z-index: 50;
  display: none; overflow: hidden;
}
.street-search__results.is-open { display: block; }
.street-search__results-header {
  padding: 12px 16px; font-size: 0.8rem; color: var(--gray-500);
  border-bottom: 1px solid var(--gray-100); font-weight: 600;
}
.street-search__result-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; cursor: pointer; transition: background var(--transition);
}
.street-search__result-item:hover { background: var(--gray-50); }
.street-search__result-item .avatar { width: 32px; height: 32px; font-size: 0.7rem; }

/* Filter tabs */
.filter-tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 32px; padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}
.filter-tab {
  padding: 8px 18px; border-radius: 50px; font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  background: var(--gray-100); color: var(--gray-600);
  border: 1px solid transparent;
}
.filter-tab:hover { background: var(--gray-200); }
.filter-tab.is-active {
  background: var(--navy); color: #fff;
}

/* Ranking section */
.ranking {
  margin-bottom: 48px;
}
.ranking__title {
  font-weight: 700; font-size: 1.1rem; margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.ranking__list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.ranking__item {
  display: flex; align-items: center; gap: 12px;
  background: #fff; padding: 12px 16px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow); border: 1px solid var(--gray-200);
  cursor: pointer; transition: all var(--transition);
}
.ranking__item:hover { box-shadow: var(--shadow-md); }
.ranking__rank {
  font-weight: 800; font-size: 1.2rem; color: var(--blue);
  min-width: 28px; text-align: center;
}
.ranking__info { flex: 1; min-width: 0; }
.ranking__name { font-weight: 600; font-size: 0.9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ranking__desc { font-size: 0.75rem; color: var(--gray-500); }

/* --- Item (detail) page --- */
.item-header { padding: 32px 0 48px; }
.item-layout {
  display: grid; grid-template-columns: 1fr; gap: 40px;
}
@media (min-width: 768px) {
  .item-layout { grid-template-columns: 1.2fr 1fr; }
}
.item-screen {
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}
.item-screen svg { width: 100%; height: auto; }
.item-info { display: flex; flex-direction: column; gap: 24px; }
.item-badge {
  display: inline-block; font-size: 0.85rem; font-weight: 600;
  padding: 6px 14px; border-radius: 50px;
}
.item-title { font-size: 1.6rem; font-weight: 800; }
.item-tagline { font-size: 1rem; color: var(--gray-500); }
.item-developer {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.9rem;
}
.item-developer .avatar { width: 36px; height: 36px; font-size: 0.85rem; }
.item-section { margin-bottom: 32px; }
.item-section__title {
  font-weight: 700; font-size: 1rem; margin-bottom: 12px;
  padding-bottom: 8px; border-bottom: 1px solid var(--gray-200);
}
.item-features {
  display: flex; flex-direction: column; gap: 8px;
}
.item-features li {
  font-size: 0.9rem; padding-left: 20px; position: relative;
}
.item-features li::before {
  content: '✓'; position: absolute; left: 0; color: var(--green); font-weight: 700;
}
.item-meta-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.item-meta-item {
  background: var(--gray-50); padding: 12px 16px; border-radius: var(--radius-sm);
}
.item-meta-item__label { font-size: 0.75rem; color: var(--gray-500); margin-bottom: 2px; }
.item-meta-item__value { font-weight: 600; font-size: 0.9rem; }

/* Progress bar */
.progress-bar {
  background: var(--gray-200); border-radius: 50px; height: 10px;
  overflow: hidden; margin-top: 8px;
}
.progress-bar__fill {
  height: 100%; border-radius: 50px;
  background: linear-gradient(90deg, var(--amber), #f59e0b);
  transition: width 0.6s ease;
}

/* Verified bar */
.verified-bar {
  background: var(--blue-bg); padding: 16px 20px; border-radius: var(--radius-sm);
  border: 1px solid rgba(37,99,235,0.15);
}
.verified-bar__label {
  font-size: 0.8rem; color: var(--blue); font-weight: 600; margin-bottom: 8px;
}
.verified-bar__bar {
  background: rgba(37,99,235,0.1); height: 8px; border-radius: 50px; overflow: hidden;
}
.verified-bar__fill {
  height: 100%; border-radius: 50px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
}

/* Sale type badge */
.sale-type-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.85rem;
  background: var(--gray-100);
}

/* Info blocks */
.info-block {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 24px;
  margin-bottom: 24px;
}
.info-block__title { font-weight: 700; margin-bottom: 8px; }
.info-block__text { font-size: 0.9rem; color: var(--gray-600); }
.info-block--amber { background: var(--amber-bg); border-color: #fde68a; }
.info-block--blue { background: var(--blue-bg); border-color: rgba(37,99,235,0.15); }
.info-block--purple { background: var(--purple-bg); border-color: #ddd6fe; }

/* Price block */
.price-block {
  background: #fff; border: 2px solid var(--gray-200);
  border-radius: var(--radius); padding: 24px; text-align: center;
}
.price-block__price {
  font-size: 2rem; font-weight: 800; margin-bottom: 16px;
}
.price-block__price--free { color: var(--green); }
.price-block__price--paid { color: var(--navy); }

/* Similar items */
.similar-items { padding: 48px 0; }
.similar-items__title { font-weight: 700; font-size: 1.2rem; margin-bottom: 24px; }

/* --- Sell page (wizard) --- */
.wizard {
  max-width: 700px; margin: 0 auto; padding: 48px 0;
}
.wizard__progress {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 48px;
}
.wizard__step-indicator {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  font-weight: 700; font-size: 0.9rem;
  background: var(--gray-200); color: var(--gray-500);
  transition: all var(--transition);
}
.wizard__step-indicator.is-active {
  background: var(--blue); color: #fff;
}
.wizard__step-indicator.is-done {
  background: var(--green); color: #fff;
}
.wizard__step-line {
  width: 60px; height: 3px; background: var(--gray-200);
  transition: background var(--transition);
}
.wizard__step-line.is-done { background: var(--green); }

.wizard__panel {
  display: none; animation: fadeIn 0.3s ease;
}
.wizard__panel.is-active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.wizard__title {
  font-size: 1.4rem; font-weight: 800; margin-bottom: 8px;
}
.wizard__subtitle {
  font-size: 0.9rem; color: var(--gray-500); margin-bottom: 32px;
}

/* Form elements */
.form-group { margin-bottom: 24px; }
.form-label {
  display: block; font-weight: 600; font-size: 0.9rem;
  margin-bottom: 8px;
}
.form-input, .form-textarea, .form-select {
  width: 100%; padding: 12px 16px;
  background: #fff; border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm); font-size: 0.95rem;
  transition: border-color var(--transition);
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-select {
  appearance: auto; cursor: pointer;
}
.form-hint { font-size: 0.8rem; color: var(--gray-500); margin-top: 4px; }

/* Radio cards */
.radio-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.radio-card {
  border: 2px solid var(--gray-200); border-radius: var(--radius-sm);
  padding: 16px; cursor: pointer; text-align: center;
  transition: all var(--transition);
}
.radio-card:hover { border-color: var(--gray-300); }
.radio-card.is-selected { border-color: var(--blue); background: var(--blue-bg); }
.radio-card__icon { font-size: 1.5rem; margin-bottom: 8px; }
.radio-card__label { font-weight: 600; font-size: 0.9rem; }
.radio-card__desc { font-size: 0.75rem; color: var(--gray-500); margin-top: 4px; }

/* eKYC mock */
.ekyc-mock {
  background: var(--gray-50); border: 2px dashed var(--gray-300);
  border-radius: var(--radius); padding: 32px; text-align: center;
  margin-bottom: 24px;
}
.ekyc-mock__icon { font-size: 2.5rem; margin-bottom: 12px; }
.ekyc-mock__text { font-weight: 600; margin-bottom: 4px; }
.ekyc-mock__hint { font-size: 0.85rem; color: var(--gray-500); }

.wizard__nav {
  display: flex; justify-content: space-between; margin-top: 32px; gap: 16px;
}
.wizard__side-note {
  margin-top: 32px; padding: 16px 20px;
  background: var(--amber-bg); border-radius: var(--radius-sm);
  font-size: 0.85rem; color: var(--gray-700);
  border-left: 4px solid var(--amber);
}

/* --- About page --- */
.about-hero {
  background: var(--navy); color: #fff; padding: 64px 0; text-align: center;
}
.about-hero__title { font-size: clamp(1.5rem, 4vw, 2rem); font-weight: 800; margin-bottom: 12px; }
.about-hero__sub { color: rgba(255,255,255,0.7); }

.flow-steps {
  display: flex; flex-direction: column; gap: 0; max-width: 600px; margin: 0 auto;
}
.flow-step {
  display: flex; gap: 20px; position: relative;
}
.flow-step__line {
  display: flex; flex-direction: column; align-items: center; width: 40px; flex-shrink: 0;
}
.flow-step__dot {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--blue); flex-shrink: 0;
}
.flow-step__connector {
  width: 2px; flex: 1; background: var(--gray-200); min-height: 40px;
}
.flow-step__content {
  padding-bottom: 32px;
}
.flow-step__title { font-weight: 700; margin-bottom: 4px; }
.flow-step__text { font-size: 0.9rem; color: var(--gray-600); }

/* Level table */
.level-table {
  width: 100%; border-collapse: collapse;
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow);
}
.level-table th, .level-table td {
  padding: 14px 20px; text-align: left; font-size: 0.9rem;
}
.level-table th {
  background: var(--navy); color: #fff; font-weight: 600;
}
.level-table td { border-bottom: 1px solid var(--gray-100); }
.level-table tr:last-child td { border-bottom: none; }

/* Prohibited list */
.prohibited-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.prohibited-item {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; background: var(--red-bg);
  border-radius: var(--radius-sm); font-size: 0.9rem; font-weight: 500;
}

/* --- FAQ --- */
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-item__q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 0; cursor: pointer; font-weight: 600; font-size: 0.95rem;
  width: 100%; text-align: left;
}
.faq-item__q::after {
  content: '+'; font-size: 1.3rem; color: var(--gray-400);
  transition: transform var(--transition);
  flex-shrink: 0; margin-left: 16px;
}
.faq-item.is-open .faq-item__q::after { content: '−'; }
.faq-item__a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.is-open .faq-item__a {
  max-height: 300px; padding-bottom: 20px;
}
.faq-item__a p {
  font-size: 0.9rem; color: var(--gray-600); line-height: 1.7;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .section { padding: 56px 0; }
  .hero { padding: 56px 0 64px; }
  .cards-grid { grid-template-columns: 1fr; }
  .item-meta-grid { grid-template-columns: 1fr; }
  .badge-cards { grid-template-columns: 1fr; }
  .explainer { grid-template-columns: 1fr; }
  .ranking__list { grid-template-columns: 1fr; }
}