:root {
  --night: #07131c;
  --paper: #f4f3ee;
  --ocean: #16b7e8;
  --school: #2b70df;
  --green: #36b77a;
  --line: rgba(255, 255, 255, 0.18);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: #f5f8fa;
  background: var(--night);
  font-family: "Avenir Next", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.grain {
  position: fixed;
  z-index: 20;
  inset: 0;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.85'/%3E%3C/svg%3E");
}

.masthead {
  min-height: 100dvh;
  padding: 40px clamp(24px, 6vw, 96px) 64px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(circle at 78% 22%, rgba(22, 183, 232, 0.18), transparent 28%),
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px),
    var(--night);
  background-size: auto, 68px 68px, 68px 68px, auto;
}

.brandline,
.edition {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 700;
}

.brandline { display: flex; align-items: center; gap: 12px; }
.brandmark {
  display: block;
  width: 48px;
  height: 34px;
  object-fit: contain;
}

.edition { align-self: flex-end; color: rgba(255,255,255,0.5); }
.masthead h1 {
  max-width: 1080px;
  margin: 8vh 0 0;
  font-size: clamp(64px, 10vw, 156px);
  line-height: 0.82;
  letter-spacing: -0.065em;
  font-weight: 700;
}
.masthead h1 span { color: var(--ocean); }
.intro {
  max-width: 650px;
  margin: 36px 0 0 auto;
  color: rgba(255,255,255,0.68);
  font-size: clamp(18px, 2vw, 25px);
  line-height: 1.55;
}
.scroll-cue {
  width: max-content;
  color: white;
  text-decoration: none;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.scroll-cue span { display: inline-block; margin-left: 10px; color: var(--ocean); }

.product-band {
  position: relative;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  overflow: hidden;
}
.product-visual { min-height: 720px; background-position: center; background-size: cover; }
.deepsea .product-visual {
  background-image: linear-gradient(90deg, transparent 65%, #091b27), url("/deepsea-master/assets/deepsea-hero.png");
}
.zencampus { color: #173052; background: var(--paper); }
.zencampus .product-visual {
  order: 2;
  background-image: linear-gradient(270deg, transparent 68%, var(--paper)), url("/zencampus/assets/zencampus-hero.png");
}
.product-copy {
  position: relative;
  z-index: 2;
  padding: clamp(48px, 7vw, 108px) clamp(28px, 6vw, 88px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.index {
  margin: 0 0 32px;
  color: var(--ocean);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.zencampus .index { color: var(--green); }
.product-copy h2 {
  margin: 0;
  font-size: clamp(68px, 8vw, 126px);
  line-height: 0.82;
  letter-spacing: -0.065em;
}
.deepsea h2 span { color: var(--ocean); }
.zencampus h2 span { color: var(--school); }
.positioning {
  max-width: 630px;
  margin: 34px 0 46px;
  color: rgba(255,255,255,0.68);
  font-size: 18px;
  line-height: 1.58;
}
.zencampus .positioning { color: rgba(23,48,82,0.72); }
.audiences { border-top: 1px solid var(--line); }
.zencampus .audiences { border-color: rgba(23,48,82,0.18); }
.audience-link {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: padding 220ms var(--ease), color 220ms ease;
}
.zencampus .audience-link { border-color: rgba(23,48,82,0.18); }
.audience-link:hover { padding-inline: 12px; color: var(--ocean); }
.zencampus .audience-link:hover { color: var(--school); }
.audience-link b { display: block; font-size: 22px; }
.audience-link small { display: block; margin-top: 4px; opacity: 0.58; font-size: 13px; }
.audience-link i { font-style: normal; font-size: 24px; }

footer {
  min-height: 110px;
  padding: 32px clamp(24px, 6vw, 96px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: rgba(255,255,255,0.48);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.footer-brand img {
  width: 38px;
  height: 28px;
  object-fit: contain;
}

a:focus-visible { outline: 3px solid var(--ocean); outline-offset: 5px; }

@media (max-width: 860px) {
  .masthead { min-height: 86dvh; }
  .edition { align-self: flex-start; margin-top: 12px; }
  .intro { margin-left: 0; }
  .product-band { grid-template-columns: 1fr; }
  .product-visual, .zencampus .product-visual { order: 0; min-height: 48vh; }
  .deepsea .product-visual { background-image: linear-gradient(0deg, #091b27 0%, transparent 40%), url("/deepsea-master/assets/deepsea-hero.png"); }
  .zencampus .product-visual { background-image: linear-gradient(0deg, var(--paper) 0%, transparent 42%), url("/zencampus/assets/zencampus-hero.png"); }
  .product-copy { margin-top: -12vh; padding-top: 0; }
  .zencampus .product-copy { margin-top: -8vh; }
  footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}