:root {
  --ink: #10275f;
  --ink-deep: #081633;
  --cobalt: #1a3a8c;
  --paper: #f4f1ea;
  --white: #fffdf8;
  --muted: #4d5663;
  --line: rgba(16, 39, 95, 0.12);
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", "Figtree", "PingFang SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink-deep);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
.skip { position: absolute; left: -999px; top: 8px; }
.skip:focus { left: 12px; background: #fff; padding: 8px 12px; z-index: 20; }

.nav {
  position: sticky;
  top: 0;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 6vw;
  background: rgba(244, 241, 234, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--cobalt);
}
.brand img {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 8px;
  background: #fff;
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { text-decoration: none; font-size: 14px; }
.nav-cta {
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--cobalt);
  color: #fff !important;
}
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  padding: 8px 12px;
}

body { overflow-x: hidden; }
.hero { position: relative; background: #081633; }
.slides { position: relative; height: 620px; overflow: hidden; }
.slide { display: none; position: relative; height: 620px; }
.slide.is-active { display: block; }
.slide img {
  width: 100%;
  height: 620px;
  object-fit: cover;
}
.slide-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 22, 51, 0.78) 0%, rgba(8, 22, 51, 0.28) 62%, rgba(8, 22, 51, 0.12) 100%);
}
.slide-copy {
  position: absolute;
  left: 6vw;
  bottom: 12%;
  max-width: 620px;
  color: #fff;
  z-index: 2;
}
.kicker {
  margin: 0 0 10px;
  letter-spacing: 0.28em;
  font-size: 12px;
  color: #d7c7a0;
}
.kicker.dark { color: #9c2f2a; }
h1, .slide-copy h2, h2 {
  margin: 0;
  font-family: var(--serif);
  line-height: 1.2;
}
h1 { font-size: clamp(48px, 7vw, 84px); }
.slide-copy h2, h2 { font-size: clamp(28px, 4vw, 42px); }
.slogan {
  margin: 10px 0 0;
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
}
.lead, .section-head p, .about-copy p, .mosaic p, .modes p, .close p, .facts p, .foot p {
  color: var(--muted);
}
.slide-copy .lead { color: rgba(255, 255, 255, 0.86); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.btn-primary { background: #fff; color: var(--cobalt); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.7); color: #fff; }
.hero-controls {
  position: absolute;
  right: 6vw;
  bottom: 28px;
  display: flex;
  gap: 8px;
  z-index: 3;
}
.dot {
  width: 28px;
  height: 4px;
  border: 0;
  background: rgba(255, 255, 255, 0.35);
}
.dot.is-active { background: #fff; }

.facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 28px 6vw;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.facts strong {
  display: block;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
}
.facts p { margin: 6px 0 0; }

.section { padding: 80px 6vw; }
.section-head { max-width: 680px; margin-bottom: 32px; }
.section-head.light .kicker, .section-head.light h2 { color: #fff; }
.section-head.light p { color: rgba(255, 255, 255, 0.74); }

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 48px;
  align-items: center;
}
.about-media img { width: 100%; height: 480px; object-fit: cover; }
.photo-cap { margin: 10px 0 0; font-size: 13px; color: var(--muted); }
.about-list {
  margin: 20px 0 0;
  padding-left: 18px;
}
.about-list li { margin: 8px 0; }

.mosaic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.mosaic article {
  background: var(--white);
  overflow: hidden;
}
.mosaic img { width: 100%; height: 240px; object-fit: cover; }
.mosaic div { padding: 20px 22px 24px; }
.mosaic span { color: #9c2f2a; font-family: var(--serif); letter-spacing: 0.08em; }
.mosaic h3, .modes h3 { margin: 6px 0 8px; font-family: var(--serif); font-size: 24px; }

.loop-wrap {
  background:
    linear-gradient(180deg, rgba(8, 22, 51, 0.72), rgba(8, 22, 51, 0.86)),
    url("/assets/banner-hero.jpg") center/cover no-repeat;
  color: #fff;
}
.loop {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.loop li {
  min-height: 180px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}
.loop em { display: block; color: #d7c7a0; font-style: normal; }
.loop strong { display: block; margin: 10px 0 8px; font-family: var(--serif); font-size: 24px; }
.loop span { color: rgba(255, 255, 255, 0.78); font-size: 14px; }

.modes { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.modes article { background: var(--white); overflow: hidden; }
.modes img { width: 100%; height: 220px; object-fit: cover; }
.modes div { padding: 22px; }
.modes a { color: var(--cobalt); font-weight: 600; }

.close {
  margin: 0 6vw 80px;
  padding: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  background: var(--cobalt);
  color: #fff;
}
.close p { color: rgba(255, 255, 255, 0.8); }
.close .btn-primary { background: #fff; color: var(--cobalt); }

.foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 28px 6vw 40px;
  border-top: 1px solid var(--line);
}
.foot > div:first-child { display: flex; align-items: center; gap: 12px; }
.foot img { width: 48px; height: 48px; object-fit: cover; border-radius: 8px; }
.foot strong { font-family: var(--serif); font-size: 22px; color: var(--cobalt); }
.icp { margin: 4px 0 0; font-size: 13px; }
.icp a { color: var(--muted); text-decoration: none; }
.icp a:hover { text-decoration: underline; }
.foot-links { display: flex; gap: 18px; }
.foot-links a { text-decoration: none; }

@media (max-width: 1180px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 6vw 18px;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .nav-links.is-open { display: flex; }
  .slides, .slide, .slide img { height: 520px; }
  .facts { grid-template-columns: 1fr 1fr; }
  .about, .mosaic, .modes, .close, .foot {
    grid-template-columns: 1fr;
    display: grid;
  }
  .loop { grid-template-columns: 1fr 1fr; }
  .about-media img, .mosaic img, .modes img { height: 220px; }
  .slide-copy { left: 24px; right: 24px; bottom: 72px; max-width: none; }
  .close { margin: 0; }
}
@media (max-width: 640px) {
  .facts, .loop { grid-template-columns: 1fr; }
  .slides, .slide, .slide img { height: 560px; }
  h1 { font-size: 46px; }
}