:root {
  --navy: #1b3a4b;
  --navy-2: #142c38;
  --blue: #1e5a7a;
  --gold: #c4a35a;
  --cream: #f6f1e8;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --paper: #fbf8f2;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

.wrap { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }

.top {
  background: var(--navy);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 3px solid var(--gold);
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: 16px;
}
.mark {
  color: var(--gold);
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
nav { display: flex; gap: 18px; flex-wrap: wrap; }
nav a {
  color: #d7e4ec;
  text-decoration: none;
  font-size: 13px;
}
nav a:hover { color: var(--gold); }

.hero {
  background: var(--navy);
  color: var(--white);
  padding: 72px 0 56px;
}
.kicker {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  font-family: system-ui, sans-serif;
  margin: 0 0 12px;
}
.kicker.dark { color: var(--blue); }
.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.05;
  margin: 0 0 18px;
  font-weight: 700;
  max-width: 16ch;
}
.lede {
  font-size: 19px;
  line-height: 1.45;
  color: #d7e4ec;
  max-width: 42em;
  margin: 0 0 28px;
}
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px; }
.btn {
  display: inline-block;
  padding: 12px 18px;
  text-decoration: none;
  font-family: system-ui, sans-serif;
  font-size: 14px;
  font-weight: 650;
}
.btn.gold { background: var(--gold); color: var(--navy-2); }
.btn.ghost { border: 1px solid #6f8fa0; color: #d7e4ec; }
.btn.big { padding: 16px 22px; font-size: 16px; }
.facts {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  color: #d7e4ec;
  font-size: 15px;
}
.facts strong { color: var(--gold); display: block; font-size: 14px; }

.block { padding: 64px 0; }
.split {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 36px;
  align-items: start;
}
h2 { font-size: clamp(26px, 3vw, 34px); line-height: 1.15; margin: 0 0 14px; color: var(--navy); }
h3 { margin: 0 0 8px; font-size: 18px; color: var(--navy); }
.block p, .rules p, .steps p { margin: 0 0 12px; font-size: 17px; }
em { font-style: italic; }

.card {
  background: var(--cream);
  border: 1px solid #e4dccb;
  padding: 22px 22px 8px;
}
.card.dark { background: var(--navy); color: #d7e4ec; border: 0; }
.card.dark h3 { color: var(--gold); }
.card ol { margin: 0 0 12px; padding-left: 20px; }
.card li { margin: 0 0 6px; }
.note { font-size: 14px; color: var(--muted); }

.rules { background: var(--cream); padding: 64px 0; }
.grid3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.grid3 article {
  background: var(--white);
  padding: 20px;
  border-top: 3px solid var(--gold);
}

.steps { padding: 64px 0 40px; }
.build { margin: 0; padding: 0; list-style: none; counter-reset: step; }
.build li {
  counter-increment: step;
  padding: 16px 0 16px 56px;
  position: relative;
  border-top: 1px solid #e4dccb;
  font-size: 17px;
}
.build li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 16px;
  width: 32px;
  height: 32px;
  background: var(--navy);
  color: var(--gold);
  font-family: system-ui, sans-serif;
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
}
.build strong { color: var(--navy); }

.buy { background: var(--navy); color: var(--white); padding: 64px 0; }
.buy h2 { color: var(--white); }
.buy-box {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 36px;
  align-items: center;
}
.price { font-size: 22px; margin: 18px 0; }
.price span { color: var(--gold); font-size: 36px; font-weight: 700; margin-right: 8px; }
.fine { font-size: 13px; color: #9bb3c0; font-family: system-ui, sans-serif; }

.photos { background: var(--navy-2); padding: 28px 0 36px; }
.photo-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}
.photo-grid figure { margin: 0; }
.photo-grid img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  display: block;
}
.photo-grid figcaption {
  color: #9bb3c0;
  font-size: 13px;
  font-family: system-ui, sans-serif;
  margin-top: 8px;
}
.photos .photo-grid { grid-template-columns: 1fr 1fr 1fr; }
.process { padding: 56px 0; background: var(--paper); }
.process h2 { margin-bottom: 18px; }
.process-grid { grid-template-columns: 1fr 1fr 1fr; }
.process-grid figcaption { color: var(--muted); }
.process-grid img { height: 220px; }

.calc-sec { padding: 64px 0; background: var(--cream); }
.calc {
  display: grid;
  gap: 16px;
  margin: 20px 0;
  font-family: system-ui, sans-serif;
}
.calc fieldset {
  border: 1px solid #e4dccb;
  background: var(--white);
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 16px;
}
.calc legend {
  font-weight: 700;
  color: var(--navy);
  padding: 0 6px;
}
.calc label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.calc label.radio { flex-direction: row; align-items: center; gap: 8px; grid-column: 1 / -1; color: var(--ink); font-size: 15px; }
.calc input, .calc select {
  font: 16px system-ui, sans-serif;
  padding: 8px;
  border: 1px solid #cfc6b6;
  background: var(--paper);
}
.calc-out {
  background: var(--white);
  border-top: 3px solid var(--gold);
  padding: 20px 22px;
  margin-top: 8px;
}
.calc-out h3 { margin: 16px 0 8px; }
.calc-out h3:first-child { margin-top: 0; }
.result { margin: 0 0 8px; padding-left: 18px; }
.warn { color: #8b2e2e; }
.smap {
  display: grid;
  grid-template-columns: repeat(var(--cols), 14px);
  gap: 10px 14px;
  margin: 12px 0;
  justify-content: start;
}
.smap span {
  width: 14px;
  height: 14px;
  background: var(--navy);
  border-radius: 50%;
}

footer {
  background: var(--navy-2);
  color: #9bb3c0;
  padding: 28px 0;
  font-size: 14px;
}

@media (max-width: 800px) {
  .facts, .split, .grid3, .buy-box, .calc fieldset, .photo-grid, .photos .photo-grid, .process-grid { grid-template-columns: 1fr; }
  .photo-grid img, .process-grid img { height: 240px; }
  .bar { flex-direction: column; align-items: flex-start; padding: 12px 0; }
  .hero { padding: 48px 0 40px; }
}