:root {
  color-scheme: light;
  --paper: #faf9f5;
  --ink: #243329;
  --muted: #62685e;
  --line: #d9ddd3;
  --accent: #ae411e;
  --sage: #e9ede3;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.6; }
a { color: inherit; text-underline-offset: .2em; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.08; }
h1, h2 { letter-spacing: -.055em; }
h2 { font-size: clamp(2.3rem, 4.5vw, 3.7rem); font-weight: 600; }
h3 { font-size: 1.12rem; letter-spacing: -.02em; line-height: 1.3; }
.wrap { width: min(1180px, calc(100% - 80px)); margin-inline: auto; }
.section { padding-block: 88px; }
main > section[id] { scroll-margin-top: 58px; }
.eyebrow { margin-bottom: 24px; font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .13em; }
.small-note { color: var(--muted); font-size: .82rem; line-height: 1.6; }
.skip-link { position: absolute; left: 16px; top: -100px; padding: 12px 18px; background: var(--ink); color: white; z-index: 1; }
.skip-link:focus { top: 16px; }
.site-header { position: sticky; top: 0; z-index: 20; min-height: 58px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-inline: 20px; border-bottom: 1px solid var(--line); background: var(--paper); }
.brand { display: flex; align-items: center; gap: 10px; font-size: 1.22rem; font-weight: 700; letter-spacing: -.055em; text-decoration: none; }
.brand span { color: var(--muted); margin-left: -10px; }
.brand-mark { width: 28px; height: 28px; color: var(--accent); }
nav { display: flex; align-items: center; gap: 20px; max-width: 72%; overflow-x: auto; scrollbar-width: none; white-space: nowrap; font-size: .78rem; }
nav::-webkit-scrollbar { display: none; }
nav a { text-decoration: none; }
nav .nav-contact { font-weight: 700; color: var(--accent); }
.hero { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 56px; padding-block: 68px 80px; }
h1 { font-size: clamp(3.3rem, 6vw, 5.45rem); font-weight: 600; line-height: .99; }
h1 span { color: var(--accent); }
.hero-lead { max-width: 370px; margin-top: 28px; color: var(--muted); font-size: 1.1rem; line-height: 1.65; }
.hero-cta { display: inline-block; margin-top: 28px; padding: 14px 20px; background: #c9413f; color: white; font-size: .86rem; font-weight: 800; letter-spacing: .02em; text-decoration: none; }
.hero-cta:hover, .hero-cta:focus-visible { background: #a93231; color: white; }
.hero-photo img { width: 100%; height: 490px; object-fit: cover; object-position: 50% 50%; background: var(--sage); }
.benefits { border-top: 1px solid var(--line); display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.section-heading > p:not(.eyebrow) { max-width: 360px; margin-top: 24px; color: var(--muted); }
.benefit-list article { display: grid; grid-template-columns: 36px 1fr; gap: 18px; padding-block: 22px; border-bottom: 1px solid var(--line); }
.benefit-list article:first-child { padding-top: 0; }
.benefit-list article:last-child { border-bottom: 0; padding-bottom: 0; }
.item-number { color: var(--accent); font-size: 2rem; font-weight: 700; padding-top: 2px; }
.benefit-list p { margin-top: 8px; color: var(--muted); font-size: .92rem; }
.specs-band { background: var(--sage); }
.specs { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.dimension-value { margin-block: 28px 12px; font-size: clamp(2rem, 3.6vw, 3rem); line-height: 1.2; letter-spacing: -.04em; }
.dimension-value span { font-size: 1.2rem; letter-spacing: 0; }
.specs .small-note { max-width: 360px; margin-top: 20px; }
.box-drawing { max-width: 490px; width: 100%; justify-self: center; }
.box-drawing img { display: block; width: 100%; height: auto; }
.specs > .extras { grid-column: 1 / -1; width: 100%; }
.calculator { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; border-top: 1px solid var(--line); }
.calculator-card { display: grid; grid-template-columns: 1fr .95fr; border: 1px solid var(--line); background: white; }
.calculator-fields { padding: 32px; }
.calculator-fields > label:not(.check-row) { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; font-size: .9rem; font-weight: 700; }
.calculator-fields output { color: var(--accent); font-size: 1.15rem; }
.calculator-fields input[type="range"] { width: 100%; margin: 17px 0 0; accent-color: var(--accent); }
.range-limits { display: flex; justify-content: space-between; color: var(--muted); font-size: .72rem; }
.box-presets { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.box-presets button { min-width: 38px; border: 1px solid var(--line); border-radius: 999px; padding: 5px 9px; background: var(--paper); color: var(--muted); font: inherit; font-size: .76rem; line-height: 1.2; cursor: pointer; }
.box-presets button:hover, .box-presets button:focus-visible { border-color: var(--accent); color: var(--accent); }
.check-row { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; margin-top: 26px; font-size: .88rem; }
.check-row input { width: 17px; height: 17px; accent-color: var(--accent); }
.check-row strong { font-size: .78rem; color: var(--muted); }
.included-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 26px; font-size: .88rem; }
.included-row strong { font-size: .78rem; color: var(--muted); }
.calculator-total { display: flex; flex-direction: column; padding: 32px; background: var(--sage); }
.total-label { color: var(--muted); font-size: .8rem; }
.total-value { margin-top: 6px; font-size: clamp(2.4rem, 4vw, 3.4rem); font-weight: 700; letter-spacing: -.06em; line-height: 1.1; }
.calculator-note { margin-top: 18px; color: var(--muted); font-size: .74rem; line-height: 1.5; }
.calculator-contact-note { margin-top: 22px; color: var(--muted); font-size: .82rem; }
.calculator-contact { display: flex; flex-wrap: wrap; gap: 16px 22px; margin-top: auto; padding-top: 22px; border-top: 1px solid #cdd4c8; }
.calculator-contact a { color: var(--accent); font-size: 1.1rem; font-weight: 700; text-decoration: none; }
.transport { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; }
.capacity-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 21px; border-bottom: 1px solid var(--line); }
.capacity-row:first-child { padding-top: 0; }
.capacity-row h3 { font-size: .98rem; }
.capacity-row div p { color: var(--muted); font-size: .77rem; margin-top: 4px; }
.capacity { flex-shrink: 0; font-size: 1.8rem; letter-spacing: -.055em; line-height: 1; text-align: right; }
.capacity span { display: block; margin-top: 7px; font-size: .7rem; letter-spacing: 0; color: var(--muted); }
.capacity-list > .small-note { margin-top: 18px; }
.extras { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-block: 0 88px; }
.extras article { border-top: 2px solid var(--ink); padding-top: 22px; }
.extras p { margin-top: 12px; color: var(--muted); font-size: .9rem; }
.contact-band { background: var(--ink); color: var(--paper); }
.contact { display: grid; grid-template-columns: 1fr; gap: 80px; align-items: center; }
.contact h2 { font-size: clamp(3rem, 5vw, 4.5rem); }
.contact .eyebrow { color: #c8d0bd; }
.contact-copy > p { max-width: none; }
.contact .contact-lead { margin-bottom: 15px; font-size: 1.35rem; font-weight: 700; letter-spacing: 0; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 28px; }
.contact-placeholder { display: block; border: 1px solid #778574; padding: 13px 18px; color: #d0d8c9; font-size: .9rem; }
.contact-note { color: #c8d0bd; font-size: .8rem; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 28px; color: var(--muted); font-size: .74rem; }
.site-footer p:first-child { color: var(--ink); font-weight: 700; }

@media (max-width: 1100px) {
  .calculator { grid-template-columns: 1fr; gap: 36px; }
  .calculator .section-heading > p { max-width: 560px; }
}

@media (max-width: 960px) {
  .wrap { width: calc(100% - 48px); }
  .hero, .benefits, .calculator, .transport, .contact { gap: 36px; }
  .hero-photo img { height: 430px; }
  nav { gap: 18px; }
  .section { padding-block: 64px; }
  .extras { gap: 24px; padding-bottom: 64px; }
}

@media (max-width: 700px) {
  .wrap { width: calc(100% - 40px); }
  .site-header { flex-direction: column; align-items: flex-start; gap: 8px; padding: 12px; }
  .brand { font-size: 1.1rem; }
  .brand-mark { width: 23px; height: 23px; }
  nav { width: 100%; max-width: none; flex-wrap: wrap; gap: 0 16px; overflow: visible; font-size: .72rem; }
  nav a { padding-block: 8px; }
  main > section[id] { scroll-margin-top: 132px; }
  .hero, .benefits, .specs, .calculator, .transport, .contact { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding-block: 42px 48px; }
  h1 { font-size: clamp(2.65rem, 12vw, 5rem); }
  .hero-lead { max-width: 430px; font-size: 1rem; }
  .hero-photo img { height: auto; aspect-ratio: 3 / 2; }
  .section { padding-block: 52px; }
  .section-heading > p:not(.eyebrow) { max-width: 100%; }
  .eyebrow { margin-bottom: 18px; }
  .box-drawing { max-width: 410px; }
  .calculator-card { grid-template-columns: 1fr; }
  .calculator-total { min-height: 330px; }
  .capacity-row { gap: 16px; }
  .capacity { font-size: 1.65rem; }
  .extras { grid-template-columns: 1fr; gap: 28px; padding-bottom: 52px; }
  .contact h2 { font-size: 3.5rem; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 6px; }
}