:root {
  --ink: #141a16;
  --paper: #f3efe4;
  --paper-2: #e7e1d2;
  --signal: #dff25a;
  --line: rgba(20, 26, 22, 0.14);
  --muted: #5c655e;
  --dark: #101612;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Outfit", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.5;
}

a { color: inherit; }
img { display: block; }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 7vw;
  background: rgba(243, 239, 228, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.top nav {
  display: flex;
  align-items: center;
  gap: 22px;
}
.top nav a { text-decoration: none; font-size: 15px; }
.menu {
  display: none;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
}
.btn-signal { background: var(--signal); color: var(--ink); }
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-line { border: 1px solid var(--line); }

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 72px 7vw 80px;
}

.kicker, .index {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
h1, h2, h3 { font-family: var(--serif); font-weight: 560; letter-spacing: -0.03em; }
h1 { margin: 0; font-size: clamp(28px, 3.4vw, 46px); line-height: 1.15; max-width: 16em; }
h2 { margin: 0; font-size: clamp(32px, 4vw, 52px); line-height: 1.05; }
h3 { margin: 0 0 8px; font-size: 28px; }
.lead { max-width: 38rem; color: var(--muted); font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.photo {
  position: relative;
  margin: 0;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 30px 70px rgba(16, 22, 18, 0.18);
}
.photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.stamp {
  position: absolute;
  padding: 3px 7px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: #243028;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 6px 16px rgba(16, 22, 18, 0.12);
}
.s1 { right: 8%; bottom: 18%; }
.s2 { left: 31%; bottom: 34%; }
.s3 { left: 34%; top: 42%; }
.s4 { left: 46%; top: 8%; }
.legend {
  position: absolute;
  left: 14px;
  bottom: 14px;
  margin: 0;
  display: grid;
  gap: 4px;
  min-width: 132px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  color: #243028;
  font-size: 12px;
  line-height: 1.2;
  box-shadow: 0 10px 24px rgba(16, 22, 18, 0.12);
}
.legend strong {
  font-size: 13px;
  letter-spacing: 0.04em;
}
.legend span { display: flex; align-items: center; gap: 8px; }
.d {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex: none;
}
.d1 { background: #128a32; }
.d2 { background: #3cb84a; }
.d3 { background: #d6d21a; }
.d4 { background: #f08a12; }
.d5 { background: #e23b2f; }

.band, .steps, .split { padding: 72px 7vw; }
.band { background: var(--dark); color: var(--paper); }
.band .index, .band p { color: #b7c0b4; }
.section-head { margin-bottom: 28px; }
.cards, .steps ol, .fleet { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.cards article, .fleet li, .steps li {
  border: 1px solid rgba(243, 239, 228, 0.14);
  border-radius: 22px;
  padding: 22px;
}
.band article { background: #18201b; }
.cards p, .fleet li, .steps p { margin: 0; }

.bot { padding: 72px 7vw; background: var(--paper-2); }
.bot-note { margin: 0 0 16px; font-weight: 600; }
.bot-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bot-list li {
  margin: 0;
  padding: 20px;
  border-radius: 22px;
  background: #fffdf8;
  border: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: start;
}
.fleet { list-style: none; margin: 0; padding: 0; }
.fleet li { border-color: var(--line); background: #fffdf8; }
.fleet span {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.fleet strong { display: block; font-family: var(--serif); font-size: 26px; font-weight: 560; margin-bottom: 6px; }

.steps { background: var(--paper-2); }
.steps ol { grid-template-columns: repeat(3, 1fr); list-style: none; margin: 0; padding: 0; }
.steps li { display: flex; gap: 14px; background: var(--paper); border-color: var(--line); }
.steps li > span {
  font-family: var(--serif);
  font-size: 32px;
  line-height: 1;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 7vw 32px;
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--ink); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (max-width: 860px) {
  .menu { display: inline-flex; }
  .top nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 18px;
  }
  .top nav.open { display: flex; }
  .hero, .split, .cards, .steps ol, footer, .bot-list {
    grid-template-columns: 1fr;
    display: grid;
  }
  .hero, .band, .steps, .split, .bot { padding: 48px 20px; }
  .top { padding: 14px 20px; }
  footer { margin: 0; padding: 22px 20px 32px; }
  h1 { font-size: 30px; }
}
