:root {
    --ink: #172829;
    --soft-ink: #4e6262;
    --paper: #edf0ed;
    --surface: #d8dedb;
    --teal: #376968;
    --line: rgba(23, 40, 41, .19);
    font-family: Arial, Helvetica, sans-serif;
    color: var(--ink);
    background: var(--paper);
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
a { color: inherit; }
.site-shell { min-height: 100vh; display: flex; flex-direction: column; }
.site-header, .site-footer { width: min(1240px, calc(100% - 48px)); margin: 0 auto; }
.site-header { min-height: 96px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.wordmark { display: flex; text-decoration: none; font-size: 1.25rem; letter-spacing: -.1em; font-weight: 800; }
.wordmark span:last-child { color: var(--teal); }
.site-nav { display: flex; gap: clamp(1rem, 3vw, 2.5rem); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.site-nav a { position: relative; text-decoration: none; padding: .5rem 0; }
.site-nav a[aria-current="page"]::after { position: absolute; right: 0; bottom: 0; left: 0; height: 1px; background: var(--teal); content: ""; }
main { flex: 1; }
.hero { width: min(1240px, calc(100% - 48px)); min-height: min(670px, calc(100vh - 170px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0, .88fr) minmax(420px, 1.12fr); align-items: center; gap: clamp(2rem, 8vw, 8rem); }
.eyebrow { margin: 0 0 1.3rem; color: var(--teal); font-size: .72rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { max-width: 630px; margin-bottom: 1.8rem; font-size: clamp(3rem, 6.2vw, 6.4rem); font-weight: 400; line-height: .94; letter-spacing: -.075em; }
h2 { max-width: 760px; font-size: clamp(2rem, 4vw, 4rem); font-weight: 400; line-height: 1; letter-spacing: -.06em; }
.hero-lead, .intro > p:last-child, .placeholder > p { max-width: 450px; color: var(--soft-ink); font-size: 1.05rem; line-height: 1.55; }
.text-link { display: inline-flex; gap: .8rem; margin-top: 1.25rem; color: var(--teal); font-size: .76rem; font-weight: 700; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.text-link span { font-size: 1.1rem; line-height: .7; }
.cooling-visual { position: relative; height: 440px; overflow: hidden; background: linear-gradient(130deg, #cbd4d1, #eef1ed); }
.visual-label, .visual-caption { position: absolute; z-index: 2; font-size: .65rem; line-height: 1.5; letter-spacing: .12em; text-transform: uppercase; }
.visual-label { top: 24px; left: 26px; color: var(--soft-ink); }
.visual-caption { right: 25px; bottom: 24px; color: var(--teal); text-align: right; }
.unit { position: absolute; display: flex; gap: 6px; padding: 20px; background: #e8ece8; box-shadow: 24px 28px 0 rgba(23, 40, 41, .08); }
.unit i { display: block; width: 18px; height: 184px; background: repeating-linear-gradient(90deg, var(--ink) 0 1px, transparent 1px 5px); opacity: .75; }
.unit-main { right: 11%; bottom: -20px; transform: skewY(-7deg); }
.unit-side { bottom: -55px; left: 11%; transform: scale(.68) skewY(-7deg); transform-origin: bottom left; }
.air-line { position: absolute; border-top: 1px solid rgba(55, 105, 104, .55); transform: rotate(-27deg); transform-origin: left center; }
.air-line-one { top: 109px; left: -10%; width: 78%; }
.air-line-two { top: 143px; left: 3%; width: 82%; }
.intro, .placeholder { width: min(1240px, calc(100% - 48px)); margin: 0 auto; padding: 120px 0; border-top: 1px solid var(--line); }
.intro > p:last-child { margin-bottom: 0; }
.placeholder { min-height: calc(100vh - 170px); padding-top: clamp(7rem, 18vh, 13rem); }
.placeholder h1 { margin-bottom: 1.5rem; }
.site-footer { display: flex; justify-content: space-between; gap: 1rem; padding: 26px 0; color: var(--soft-ink); border-top: 1px solid var(--line); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }

@media (max-width: 760px) {
    .site-header { min-height: 82px; align-items: flex-start; padding-top: 25px; }
    .site-nav { gap: .8rem; font-size: .62rem; }
    .hero { grid-template-columns: 1fr; padding: 86px 0 64px; }
    .cooling-visual { height: 330px; }
    .intro, .placeholder { padding: 76px 0; }
    .site-footer { flex-wrap: wrap; }
}