/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
body {
  margin: 0;
  font-family: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text, #1A1A1A);
  background: var(--bg, #F7F4EE);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}
figure {
  margin: 0;
}
ul, ol {
  padding: 0;
}
::selection {
  background: var(--gold, #C8A24B);
  color: var(--navy, #0B1B3D);
}

/* ===== Variables ===== */
:root {
  --navy: #0B1B3D;
  --navy-light: #122852;
  --navy-tint: rgba(11, 27, 61, 0.07);
  --gold: #C8A24B;
  --gold-bright: #DDBB66;
  --gold-soft: rgba(200, 162, 75, 0.18);
  --red: #D0342C;
  --bg: #F7F4EE;
  --surface: #FFFFFF;
  --text: #1A1A1A;
  --text-light: #5B6371;
  --text-inverse: #FDFDFD;
  --border: #E2DACF;
  --teal: #1E7A7A;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-1: 0 2px 8px rgba(11, 27, 61, 0.08);
  --shadow-2: 0 12px 32px rgba(11, 27, 61, 0.14);
  --font-head: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Noto Serif SC', 'Songti SC', 'SimSun', Georgia, serif;
  --transition: 0.3s ease;
  --container: 1320px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--text);
  line-height: 1.2;
  margin: 0 0 0.5em;
}
p {
  margin: 0 0 1em;
}
a {
  color: var(--navy);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--gold);
}
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ===== Layout utilities ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== Sections ===== */
.section {
  position: relative;
  padding: 100px 0;
}
.section--tight {
  padding: 64px 0;
}
.section--loose {
  padding: 128px 0;
}
.section--navy {
  background: var(--navy);
  color: var(--text-inverse);
}
.section--navy h1,
.section--navy h2,
.section--navy h3,
.section--navy h4,
.section--navy h5,
.section--navy h6 {
  color: var(--text-inverse);
}
.section--light {
  background: var(--bg);
}
.section--surface {
  background: var(--surface);
}

/* ===== Section header ===== */
.section-header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  margin-bottom: 56px;
  align-items: start;
}
.section-index {
  writing-mode: vertical-rl;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--gold);
  border-left: 2px solid var(--gold);
  padding-left: 10px;
  padding-bottom: 6px;
  min-height: 88px;
  line-height: 1.8;
  white-space: nowrap;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.18;
  margin: 0 0 12px;
  letter-spacing: 0.02em;
}
.section-subtitle {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-light);
  max-width: 36em;
}
.section--navy .section-subtitle {
  color: rgba(253, 253, 253, 0.7);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn--gold {
  background: var(--gold);
  color: var(--navy);
}
.btn--gold:hover {
  background: var(--gold-bright);
  box-shadow: 0 8px 24px rgba(200, 162, 75, 0.35);
  color: var(--navy);
}
.btn--outline {
  background: transparent;
  border-color: rgba(253, 253, 253, 0.6);
  color: var(--text-inverse);
}
.btn--outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: rgba(200, 162, 75, 0.08);
}
.btn--navy {
  background: var(--navy);
  color: var(--text-inverse);
}
.btn--navy:hover {
  background: var(--navy-light);
  color: var(--text-inverse);
}
.btn-arrow {
  display: inline-block;
  margin-left: 4px;
  transition: transform 0.25s ease;
}
.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ===== Page hero ===== */
.page-hero {
  position: relative;
  background: var(--navy);
  color: var(--text-inverse);
  padding: 164px 0 72px;
  overflow: hidden;
}
.page-hero--light {
  background: var(--bg);
  color: var(--text);
}
.page-hero-title {
  font-family: var(--font-head);
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 700;
  line-height: 1.12;
  margin: 0 0 14px;
  letter-spacing: 0.03em;
}
.page-hero-sub {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(253, 253, 253, 0.72);
  max-width: 38em;
}
.page-hero--light .page-hero-sub {
  color: var(--text-light);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-head);
  font-size: 13px;
  color: rgba(253, 253, 253, 0.6);
}
.breadcrumb a {
  color: rgba(253, 253, 253, 0.78);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}
.breadcrumb a:hover {
  color: var(--gold);
}
.breadcrumb-item[aria-current="page"] {
  color: var(--gold);
}
.breadcrumb-separator {
  color: rgba(253, 253, 253, 0.35);
}

/* ===== Skip link ===== */
.skip-link {
  position: fixed;
  top: -100%;
  left: 20px;
  z-index: 1300;
  padding: 10px 20px;
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 0 0 10px 10px;
  transition: top 0.3s ease;
}
.skip-link:focus-visible {
  top: 0;
}

/* ===== Scroll progress ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--gold), var(--red));
  z-index: 1200;
  pointer-events: none;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(11, 27, 61, 0.92) 0%, rgba(11, 27, 61, 0.58) 55%, rgba(11, 27, 61, 0.15) 100%);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}
.site-header.is-scrolled {
  background: rgba(11, 27, 61, 0.97);
  border-bottom-color: rgba(200, 162, 75, 0.3);
  box-shadow: 0 6px 30px rgba(2, 8, 24, 0.3);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 20px;
  padding-bottom: 20px;
  transition: padding 0.3s ease;
}
.site-header.is-scrolled .header-inner {
  padding-top: 10px;
  padding-bottom: 10px;
}

/* ===== Brand ===== */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand:hover {
  text-decoration: none;
}
.brand-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: rgba(11, 27, 61, 0.55);
  border: 2px solid var(--gold);
  border-radius: 12px 4px 12px 4px;
  position: relative;
  flex-shrink: 0;
  color: var(--gold);
}
.brand-seal-txt {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
}
.brand-seal-corner {
  position: absolute;
  width: 7px;
  height: 7px;
  background: var(--gold);
  border-radius: 50%;
}
.brand-seal-corner--tl {
  top: -3px;
  left: -3px;
}
.brand-seal-corner--br {
  bottom: -3px;
  right: -3px;
}
.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.brand-name {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.06em;
  color: var(--text-inverse);
}
.brand:hover .brand-name {
  color: var(--gold);
}
.brand-tag {
  font-family: var(--font-body);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.14em;
  color: rgba(253, 253, 253, 0.65);
}

/* ===== Navigation ===== */
.site-nav {
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-link {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: rgba(253, 253, 253, 0.88);
  text-decoration: none;
  border-radius: 6px;
  position: relative;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}
.nav-link:hover {
  color: var(--gold);
  background: rgba(200, 162, 75, 0.08);
  text-decoration: none;
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link[aria-current="page"] {
  color: var(--gold);
  font-weight: 600;
}
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--red);
}
.nav-note {
  display: none;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.header-search-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: var(--text-inverse);
  border: 1px solid rgba(253, 253, 253, 0.3);
  border-radius: 10px;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.header-search-link:hover {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(200, 162, 75, 0.08);
  text-decoration: none;
}
.header-search-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: relative;
}
.header-search-icon::after {
  content: '';
  position: absolute;
  bottom: -3px;
  right: -4px;
  width: 7px;
  height: 2px;
  background: currentColor;
  border-radius: 0 0 4px 4px;
  transform: rotate(45deg);
}

/* ===== Nav toggle ===== */
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  background: transparent;
  border: 1px solid rgba(253, 253, 253, 0.4);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
  z-index: 1100;
  align-items: center;
  justify-content: center;
}
.nav-toggle-bar {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-inverse);
  border-radius: 2px;
}
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--text-inverse);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-toggle-bar::before {
  top: -7px;
}
.nav-toggle-bar::after {
  top: 7px;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar {
  background: transparent;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
  transform: translateY(-7px) rotate(-45deg);
}
.nav-toggle:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ===== Mobile nav ===== */
@media (max-width: 991px) {
  .nav-toggle {
    display: inline-flex;
  }
  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 24px;
    background: rgba(11, 27, 61, 0.98);
    margin-left: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
  }
  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
  }
  .nav-list {
    flex-direction: column;
    gap: 4px;
    text-align: center;
  }
  .nav-link {
    font-size: 20px;
    padding: 12px 28px;
  }
  .nav-link::after {
    left: 28px;
    right: 28px;
  }
  .nav-note {
    display: block;
    font-family: var(--font-head);
    font-size: 12px;
    letter-spacing: 0.22em;
    color: rgba(253, 253, 253, 0.45);
    margin: 16px 0 0;
  }
  .header-search-link {
    display: none;
  }
}

/* ===== Footer ===== */
.site-footer {
  position: relative;
  background: var(--navy);
  color: var(--text-inverse);
  overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle at top right, rgba(200, 162, 75, 0.09), transparent 70%);
  pointer-events: none;
}
.footer-topline {
  border-bottom: 1px solid rgba(200, 162, 75, 0.18);
  background: rgba(0, 0, 0, 0.08);
}
.footer-topline-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 44px;
}
.footer-topline-mark {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(208, 52, 44, 0.2);
  flex-shrink: 0;
}
.footer-topline-rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, rgba(200, 162, 75, 0.5), transparent);
}
.footer-topline-coord {
  font-family: var(--font-head);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: rgba(253, 253, 253, 0.42);
  white-space: nowrap;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-top: 64px;
  padding-bottom: 48px;
  position: relative;
  z-index: 1;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}
.footer-seal {
  background: var(--red);
  border-color: var(--red);
  color: #FDFDFD;
  border-radius: 10px 3px 10px 3px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(253, 253, 253, 0.65);
  margin: 0 0 24px;
  max-width: 34em;
}
.footer-mini-links {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid rgba(253, 253, 253, 0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-heading {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(200, 162, 75, 0.25);
}
.footer-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}
.footer-link {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 14px;
  color: rgba(253, 253, 253, 0.75);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.footer-link:hover {
  color: var(--gold);
  padding-left: 4px;
  text-decoration: none;
}
.footer-link--inline {
  font-size: 13px;
}
.footer-contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.footer-contact-list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
}
.footer-contact-label {
  font-family: var(--font-head);
  font-size: 12px;
  color: rgba(253, 253, 253, 0.4);
  padding-top: 2px;
  white-space: nowrap;
}
.footer-contact-value {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(253, 253, 253, 0.85);
  word-break: break-all;
}
.footer-trust {
  border-top: 1px solid rgba(253, 253, 253, 0.08);
  background: rgba(0, 0, 0, 0.16);
  padding: 16px 24px;
  position: relative;
  z-index: 1;
}
.footer-trust-text {
  max-width: 1200px;
  margin: 0 auto;
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
  color: rgba(253, 253, 253, 0.5);
}
.footer-bottom {
  border-top: 1px solid rgba(253, 253, 253, 0.08);
  padding: 20px 0;
  position: relative;
  z-index: 1;
}
.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  font-family: var(--font-head);
  font-size: 12px;
  color: rgba(253, 253, 253, 0.45);
}
.footer-copyright {
  letter-spacing: 0.04em;
}
.footer-icp {
  letter-spacing: 0.08em;
}

/* ===== Back to top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 900;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--navy);
  border: 2px solid rgba(200, 162, 75, 0.65);
  color: var(--gold);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background 0.2s ease, color 0.2s ease;
  box-shadow: 0 6px 20px rgba(2, 8, 24, 0.3);
}
.back-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.back-top:hover {
  background: var(--gold);
  color: var(--navy);
}

/* ===== Bento grid & cards ===== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}
.bento-card {
  grid-column: span 3;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.bento-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: var(--gold);
}
.bento-card--third {
  grid-column: span 4;
}
.bento-card--half {
  grid-column: span 6;
}
.bento-card--two-third {
  grid-column: span 8;
}
.bento-card--full {
  grid-column: 1 / -1;
}
.bento-card--navy {
  background: var(--navy);
  color: var(--text-inverse);
  border-color: transparent;
}
.bento-card--navy h1,
.bento-card--navy h2,
.bento-card--navy h3,
.bento-card--navy h4,
.bento-card--navy h5,
.bento-card--navy h6 {
  color: var(--text-inverse);
}
.bento-card--gold {
  background: var(--gold);
  color: var(--navy);
  border-color: transparent;
}
.bento-card--gold h1,
.bento-card--gold h2,
.bento-card--gold h3,
.bento-card--gold h4,
.bento-card--gold h5,
.bento-card--gold h6 {
  color: var(--navy);
}
.bento-card--light {
  background: var(--bg);
}
.bento-card-tag {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.bento-card--navy .bento-card-tag,
.bento-card--gold .bento-card-tag {
  color: inherit;
  opacity: 0.8;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding: 8px 0 8px 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), var(--navy));
}
.timeline-item {
  position: relative;
  padding-bottom: 36px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -29px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--gold);
  box-sizing: border-box;
}
.timeline-item--active::before {
  background: var(--gold);
  box-shadow: 0 0 0 6px var(--gold-soft);
}
.timeline-date {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 8px;
}
.timeline-content {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-light);
}
.timeline-content strong {
  color: var(--text);
  font-family: var(--font-head);
}

/* ===== Legend ===== */
.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 13px;
  color: var(--text-light);
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.legend-dot--navy {
  background: var(--navy);
}
.legend-dot--red {
  background: var(--red);
}
.legend-dot--teal {
  background: var(--teal);
}

/* ===== Data display ===== */
.stat-number {
  font-family: var(--font-head);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}
.stat-number small {
  font-size: 0.5em;
  font-weight: 400;
  margin-left: 4px;
  color: var(--text-light);
}
.data-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: var(--font-head);
  font-size: 12px;
  color: var(--text-light);
  white-space: nowrap;
}

/* ===== Stage / frame windows ===== */
.stage-frame {
  position: relative;
  padding: clamp(28px, 5vw, 56px);
}
.stage-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 34px;
  border-top: 3px solid var(--gold);
  border-left: 3px solid var(--gold);
  border-radius: 12px 0 0 0;
  pointer-events: none;
}
.stage-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 34px;
  height: 34px;
  border-bottom: 3px solid var(--gold);
  border-right: 3px solid var(--gold);
  border-radius: 0 0 12px 0;
  pointer-events: none;
}
.hero-frame {
  position: relative;
  border: 1px solid rgba(200, 162, 75, 0.35);
  border-radius: 24px;
  padding: clamp(32px, 6vw, 64px);
  background: rgba(253, 253, 253, 0.03);
}

/* ===== Image frame ===== */
.image-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--navy-tint);
  aspect-ratio: 4 / 3;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.image-frame:hover img {
  transform: scale(1.03);
}
.image-frame--wide {
  aspect-ratio: 16 / 9;
}
.image-frame--gold {
  border: 1px solid var(--gold);
}

/* ===== Reveal on scroll ===== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js [data-reveal="left"] {
  transform: translateX(-28px);
}
.js [data-reveal="right"] {
  transform: translateX(28px);
}
.js [data-reveal="zoom"] {
  transform: scale(0.94);
}
.js [data-reveal][data-delay="1"] {
  transition-delay: 0.15s;
}
.js [data-reveal][data-delay="2"] {
  transition-delay: 0.3s;
}
.js [data-reveal][data-delay="3"] {
  transition-delay: 0.45s;
}
.js [data-reveal].is-visible {
  opacity: 1;
  transform: translate(0) scale(1);
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
  .js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .scroll-progress {
    display: none;
  }
  .back-top {
    transition: none;
  }
  .site-header,
  .header-inner,
  .nav-link,
  .brand,
  .btn,
  .bento-card,
  .image-frame img {
    transition: none;
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-brand-col {
    grid-column: 1 / -1;
  }
  .section {
    padding: 80px 0;
  }
  .section--loose {
    padding: 100px 0;
  }
}
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .section--tight {
    padding: 48px 0;
  }
  .section--loose {
    padding: 80px 0;
  }
  .section-header {
    gap: 14px;
    margin-bottom: 40px;
  }
  .header-inner {
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .site-header.is-scrolled .header-inner {
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .brand-seal {
    width: 42px;
    height: 42px;
  }
  .brand-name {
    font-size: 18px;
  }
  .brand-tag {
    font-size: 10px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-top: 48px;
    padding-bottom: 40px;
  }
  .footer-brand-col {
    grid-column: auto;
  }
  .footer-nav-list {
    grid-template-columns: 1fr 1fr;
  }
  .footer-bottom-inner {
    justify-content: center;
    text-align: center;
  }
  .footer-trust {
    padding: 14px 16px;
  }
  .back-top {
    right: 16px;
    bottom: 16px;
    width: 44px;
    height: 44px;
  }
  .bento-grid {
    gap: 14px;
  }
  .bento-card,
  .bento-card--third,
  .bento-card--half,
  .bento-card--two-third,
  .bento-card--full {
    grid-column: 1 / -1;
  }
  .page-hero {
    padding: 120px 0 56px;
  }
}