:root {
  --ink: #0b2130;
  --ink-2: #102f42;
  --ink-3: #174056;
  --glacier: #22b1dc;
  --glacier-deep: #0d7fa8;
  --glacier-soft: #bfe8f5;
  --snow: #f3f7f6;
  --mist: #e2ecee;
  --stone: #52656e;
  --aspen: #f0b64a;
  --line-dark: rgba(191, 232, 245, .16);
  --line-light: rgba(11, 33, 48, .12);

  --f-display: "Big Shoulders Display", "Arial Narrow", sans-serif;
  --f-serif: "Instrument Serif", Georgia, serif;
  --f-body: "Figtree", system-ui, sans-serif;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-io: cubic-bezier(.65, 0, .35, 1);
  --gutter: clamp(16px, 4vw, 56px);
  --section: clamp(88px, 12vw, 176px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0;
  background: var(--snow);
  color: var(--ink);
  font: 400 clamp(16px, 1.05vw, 18px)/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
em { font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: 0; text-transform: none; }
::selection { background: var(--glacier); color: var(--ink); }
:focus-visible { outline: 2px solid var(--glacier); outline-offset: 3px; border-radius: 4px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--glacier); color: var(--ink); padding: 10px 16px; border-radius: 99px; font-weight: 600; }
.skip:focus { top: 12px; }
.wrap { width: min(1320px, 100%); margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- buttons ---------- */
.btn {
  --bg: transparent; --fg: currentColor; --bd: currentColor;
  display: inline-flex; align-items: center; gap: .6em;
  padding: 1em 1.6em; border-radius: 999px;
  background: var(--bg); color: var(--fg); border: 1px solid var(--bd);
  font-weight: 600; font-size: .95rem; letter-spacing: .01em; text-decoration: none;
  cursor: pointer; white-space: nowrap;
  transition: background .35s var(--ease-out), color .35s var(--ease-out), border-color .35s, transform .4s var(--ease-out);
}
.btn .arrow { display: inline-block; transition: transform .45s var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-sm { padding: .7em 1.2em; font-size: .88rem; }
.btn-glacier { --bg: var(--glacier); --fg: var(--ink); --bd: var(--glacier); }
.btn-glacier:hover { --bg: var(--snow); --bd: var(--snow); }
.btn-ghost { --fg: var(--snow); --bd: rgba(243, 247, 246, .35); }
.btn-ghost:hover { --bd: var(--snow); --bg: rgba(243, 247, 246, .08); }
.btn-ghost-dark { --fg: var(--ink); --bd: var(--line-light); }
.btn-ghost-dark:hover { --bd: var(--ink); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  padding: 18px var(--gutter);
  color: var(--snow);
  transition: background .5s var(--ease-out), padding .5s var(--ease-out), transform .6s var(--ease-out), color .4s;
}
.nav.is-scrolled {
  background: rgba(11, 33, 48, .82);
  -webkit-backdrop-filter: blur(14px) saturate(1.3); backdrop-filter: blur(14px) saturate(1.3);
  padding-block: 12px;
}
.nav.is-hidden { transform: translateY(-110%); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-mark { width: 48px; height: 25px; }
.brand-word { font: 600 1.05rem/1 var(--f-display); letter-spacing: .08em; text-transform: uppercase; }
.brand-word b { font-weight: 800; color: var(--glacier); }
.mark-line { fill: none; stroke: var(--glacier); stroke-width: var(--sw, 30); stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: var(--dash, none); stroke-dashoffset: var(--draw, 0); transition: stroke-dashoffset 1.8s var(--ease-io) var(--draw-delay, 0s); }
.nav-links { display: flex; gap: 32px; }
.nav-links a { position: relative; text-decoration: none; font-size: .92rem; font-weight: 500; opacity: .85; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--glacier); transform: scaleX(0); transform-origin: right; transition: transform .5s var(--ease-out); }
.nav-links a:hover { opacity: 1; }
.nav-links a:hover::after, .nav-links a.is-current::after { transform: scaleX(1); transform-origin: left; }
.menu-btn { display: none; width: 44px; height: 44px; border: 1px solid rgba(243,247,246,.3); border-radius: 50%; background: none; cursor: pointer; position: relative; }
.menu-btn span:not(.sr) { position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor; transition: transform .5s var(--ease-out); }
.menu-btn span:nth-child(1) { top: 18px; }
.menu-btn span:nth-child(2) { top: 25px; }
.menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.menu {
  position: fixed; inset: 0; z-index: 45;
  background: var(--ink); color: var(--snow);
  display: flex; flex-direction: column; justify-content: flex-end; gap: 40px;
  padding: 120px var(--gutter) 40px;
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
  transition: clip-path .8s var(--ease-io);
}
.menu.is-open { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
.menu nav { display: flex; flex-direction: column; }
.menu nav a {
  font: 800 clamp(2.8rem, 13vw, 5rem)/1.02 var(--f-display); text-transform: uppercase; text-decoration: none;
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s var(--ease-out), transform .8s var(--ease-out), color .3s;
}
.menu nav a:last-child { color: var(--glacier); }
.menu.is-open nav a { opacity: 1; transform: none; transition-delay: calc(.25s + var(--i) * .06s); }
.menu-mail { color: var(--glacier-soft); }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 100svh;
  background:
    radial-gradient(120% 80% at 85% 20%, rgba(34, 177, 220, .22), transparent 60%),
    radial-gradient(90% 60% at 0% 100%, rgba(13, 127, 168, .25), transparent 60%),
    var(--ink);
  color: var(--snow);
  padding: clamp(110px, 14vh, 160px) var(--gutter) clamp(120px, 14vw, 180px);
  overflow: hidden;
  isolation: isolate;
}
.hero::before { /* topographic contour texture */
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .09;
  background-image: repeating-radial-gradient(ellipse at 70% 40%, transparent 0 22px, var(--glacier-soft) 22px 23px);
  -webkit-mask-image: radial-gradient(70% 70% at 70% 40%, #000, transparent);
          mask-image: radial-gradient(70% 70% at 70% 40%, #000, transparent);
}
.hero-grid {
  width: min(1320px, 100%); margin-inline: auto;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 80px); align-items: center;
}
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 28px; font-size: .82rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--glacier-soft); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--glacier); box-shadow: 0 0 0 0 rgba(34,177,220,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 12px rgba(34,177,220,0); } 100% { box-shadow: 0 0 0 0 rgba(34,177,220,0); } }

.hero-title { margin: 0; font: 900 clamp(3.6rem, 8.6vw, 8.4rem)/.86 var(--f-display); text-transform: uppercase; letter-spacing: -.005em; }
.hero-title .line { display: block; overflow: hidden; padding-bottom: .04em; }
.hero-title .line > span { display: block; transform: translateY(105%); transition: transform 1.2s var(--ease-out); }
.hero-title .line:nth-child(2) > span { transition-delay: .12s; }
.hero-title .line:nth-child(3) > span { transition-delay: .26s; }
.line-serif em { display: block; font-size: .56em; line-height: 1.15; color: var(--glacier); padding-top: .12em; }
.is-loaded .hero-title .line > span { transform: none; }

.load { opacity: 0; transform: translateY(18px); transition: opacity 1s var(--ease-out) var(--d, 0s), transform 1.2s var(--ease-out) var(--d, 0s); }
.is-loaded .load { opacity: 1; transform: none; }

.hero-lede { max-width: 34em; margin: 30px 0 36px; font-size: clamp(1.02rem, 1.25vw, 1.2rem); color: rgba(243, 247, 246, .78); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-facts { list-style: none; display: flex; flex-wrap: wrap; gap: 0; padding: 0; margin: 48px 0 0; border-top: 1px solid var(--line-dark); }
.hero-facts li { flex: 1 1 140px; padding: 18px 20px 0 0; display: flex; flex-direction: column; }
.hero-facts li + li { padding-left: 20px; border-left: 1px solid var(--line-dark); }
.hero-facts strong { font: 700 1.2rem/1.1 var(--f-display); letter-spacing: .04em; text-transform: uppercase; }
.hero-facts span { font-size: .84rem; color: rgba(243, 247, 246, .6); }

.hero-visual { position: relative; }
.peak-frame {
  position: relative; aspect-ratio: 5 / 6; overflow: hidden;
  clip-path: polygon(0 100%, 0 100%, 20% 100%, 36% 100%, 60% 100%, 100% 100%, 100% 100%);
  transition: clip-path 1.8s var(--ease-io) .35s;
  will-change: transform;
}
.is-loaded .peak-frame { clip-path: polygon(0 100%, 0 42%, 20% 18%, 36% 34%, 60% 0%, 100% 46%, 100% 100%); }
.peak-frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.18); transition: transform 2.6s var(--ease-out) .35s; }
.is-loaded .peak-frame img { transform: scale(1.06); }
.ripple { filter: url(#ripple); }
.peak-glare { position: absolute; inset: 0; background: linear-gradient(200deg, rgba(243,247,246,.28), transparent 40%), linear-gradient(0deg, rgba(11,33,48,.35), transparent 40%); mix-blend-mode: soft-light; }

.review-chip {
  position: absolute; left: clamp(-40px, -3vw, -12px); bottom: 12%;
  margin: 0; max-width: 270px; padding: 18px 20px 16px;
  background: var(--snow); color: var(--ink); border-radius: 18px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .45);
  animation: float 6s ease-in-out infinite 2.4s;
}
.review-chip svg { width: 22px; height: 22px; fill: none; stroke: var(--glacier-deep); stroke-width: 2; stroke-linecap: round; }
.review-chip blockquote { margin: 6px 0 8px; font: italic 400 1.35rem/1.15 var(--f-serif); }
.review-chip figcaption { font-size: .78rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--stone); }
@keyframes float { 50% { transform: translateY(-10px); } }

.hero-logo-draw { position: absolute; right: -6%; top: -6%; width: 34%; height: auto; aspect-ratio: 562 / 286; opacity: .9; }
.hero-logo-draw, .done-mark { --sw: 14; --dash: 1; --draw: 1; --draw-delay: .9s; }
.is-loaded .hero-logo-draw { --draw: 0; }

.scroll-cue { position: absolute; left: var(--gutter); bottom: clamp(90px, 10vw, 140px); display: flex; align-items: center; gap: 12px; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: rgba(243,247,246,.5); }
.scroll-cue span { width: 1px; height: 44px; background: linear-gradient(var(--glacier), transparent); animation: drip 2.2s var(--ease-io) infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

.waves { position: absolute; left: 0; bottom: -1px; width: 200%; height: clamp(60px, 9vw, 120px); pointer-events: none; }
.wave { will-change: transform; }
.w1 { fill: rgba(34, 177, 220, .25); animation: wave 14s linear infinite; }
.w2 { fill: rgba(191, 232, 245, .35); animation: wave 10s linear infinite reverse; }
.w3 { fill: var(--glacier); animation: wave 18s linear infinite; }
@keyframes wave { to { transform: translateX(-50%); } }

/* ---------- marquee ---------- */
.marquee { background: var(--glacier); color: var(--ink); overflow: hidden; padding: 18px 0 22px; }
.marquee-track { display: flex; width: max-content; align-items: center; gap: 36px; animation: marquee 38s linear infinite; }
.marquee span { font: 800 clamp(2rem, 4vw, 3.4rem)/1 var(--f-display); text-transform: uppercase; white-space: nowrap; }
.marquee span:nth-of-type(even) { color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.marquee i { font-style: normal; font-size: 1.3rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- section heads ---------- */
.kicker { margin: 0 0 18px; font-size: .78rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--glacier-deep); }
.section-head { max-width: 900px; margin-bottom: clamp(48px, 7vw, 96px); }
h2 { margin: 0; font: 800 clamp(2.6rem, 5.6vw, 5.2rem)/.92 var(--f-display); text-transform: uppercase; letter-spacing: -.005em; }
h2 em { display: inline; font-size: 1.02em; line-height: .9; color: var(--glacier-deep); }
.section-lede { max-width: 36em; margin: 24px 0 0; font-size: clamp(1rem, 1.2vw, 1.15rem); color: var(--stone); }
.light .kicker, .water .kicker, .quote .kicker { color: var(--glacier); }
.light h2 em, .water h2 em { color: var(--glacier); }
.light .section-lede, .water .section-lede { color: rgba(243, 247, 246, .7); }

[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease-out), transform 1.2s var(--ease-out); transition-delay: var(--rd, 0s); }
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- services ---------- */
.services { padding-block: var(--section); }
.svc { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(32px, 6vw, 100px); align-items: start; }
.svc-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-light); }
.svc-item { border-bottom: 1px solid var(--line-light); }
.svc-toggle {
  width: 100%; display: grid; grid-template-columns: 56px 1fr 28px; align-items: center; gap: 12px;
  padding: 24px 0; background: none; border: 0; text-align: left; cursor: pointer;
}
.svc-num { font: 600 .85rem/1 var(--f-body); color: var(--stone); letter-spacing: .08em; }
.svc-name { font: 700 clamp(1.5rem, 2.6vw, 2.3rem)/1 var(--f-display); text-transform: uppercase; transition: transform .6s var(--ease-out), color .3s; }
.svc-toggle:hover .svc-name { transform: translateX(10px); color: var(--glacier-deep); }
.svc-plus { position: relative; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--line-light); transition: background .4s, border-color .4s, transform .6s var(--ease-out); }
.svc-plus::before, .svc-plus::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 1.5px; background: currentColor; transform: translate(-50%, -50%); }
.svc-plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.is-open .svc-plus { background: var(--glacier); border-color: var(--glacier); transform: rotate(45deg); }
.is-open .svc-name { color: var(--glacier-deep); }
.svc-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .7s var(--ease-out); }
.svc-body > div { overflow: hidden; padding-left: 68px; }
.is-open .svc-body { grid-template-rows: 1fr; }
.svc-body p { margin: 0 0 16px; max-width: 30em; color: var(--stone); }
.chip-add {
  margin-bottom: 26px; padding: .55em 1.1em; border-radius: 99px; border: 1px solid var(--ink); background: none;
  font-size: .85rem; font-weight: 600; cursor: pointer; transition: background .3s, color .3s;
}
.chip-add:hover, .chip-add.is-added { background: var(--ink); color: var(--snow); }

.svc-stage { position: sticky; top: 110px; }
.svc-frame {
  position: relative; aspect-ratio: 4 / 5; border-radius: 4px; overflow: hidden;
  clip-path: polygon(0 100%, 0 30%, 26% 10%, 44% 24%, 68% 0, 100% 28%, 100% 100%);
  background: var(--mist);
}
.svc-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.1); transition: opacity .9s var(--ease-out), transform 1.6s var(--ease-out); }
.svc-img.is-on { opacity: 1; transform: scale(1); }
.svc-caption { margin: 14px 0 0; font: 700 1rem/1 var(--f-display); letter-spacing: .1em; color: var(--stone); text-align: right; }
.svc-caption span { color: var(--ink); font-size: 1.6rem; }

/* ---------- seasons ---------- */
.seasons { position: relative; background: var(--ink-2); color: var(--snow); padding: calc(var(--section) + 40px) 0 var(--section); overflow: hidden; }
.ridge { position: absolute; top: -1px; left: 0; width: 100%; height: clamp(70px, 12vw, 180px); transform: scaleY(-1); }
.ridge-back { fill: var(--mist); opacity: .5; }
.ridge-front { fill: var(--snow); }
.timeline { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); padding-top: 56px; }
.timeline-rail { position: absolute; top: 12px; left: 0; right: 0; height: 2px; background: var(--line-dark); }
.timeline-fill { position: absolute; inset: 0; background: var(--glacier); transform: scaleX(var(--p, 0)); transform-origin: left; }
.timeline-drop { position: absolute; top: 50%; left: calc(var(--p, 0) * 100%); width: 18px; height: 18px; margin: -9px 0 0 -9px; border-radius: 50% 50% 50% 0; background: var(--glacier); transform: rotate(-45deg); box-shadow: 0 0 0 6px rgba(34,177,220,.18); }
.stage { position: relative; }
.stage::before { content: ""; position: absolute; top: -50px; left: 0; width: 10px; height: 10px; border-radius: 50%; background: var(--ink-2); border: 2px solid var(--glacier); }
.stage-when { margin: 0 0 6px; font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--aspen); }
.stage h3 { margin: 0 0 10px; font: 800 clamp(1.7rem, 2.4vw, 2.3rem)/1 var(--f-display); text-transform: uppercase; }
.stage p:last-child { margin: 0; color: rgba(243, 247, 246, .7); }

/* ---------- water lab ---------- */
.water { background: var(--ink); color: var(--snow); padding-block: var(--section); }
.water-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 110px); align-items: center; }
.ph { margin-top: 44px; }
.ph-label { display: block; margin-bottom: 14px; font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 10px; border-radius: 99px; cursor: pointer;
  background: linear-gradient(90deg, #e2725b 0%, #f0b64a 22%, #22b1dc 30%, #22b1dc 60%, #8fd3a8 70%, #9b8fd6 100%);
}
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 30px; height: 30px; border-radius: 50%; background: var(--snow); border: 6px solid var(--ink); box-shadow: 0 0 0 2px var(--snow), 0 8px 20px rgba(0,0,0,.4); transition: transform .3s var(--ease-out); }
input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: var(--snow); border: 5px solid var(--ink); }
.ph-scale { display: flex; justify-content: space-between; margin-top: 12px; font-size: .8rem; color: rgba(243,247,246,.55); }
.ph-scale .ok { color: var(--glacier); font-weight: 600; }
.ph-note { margin: 18px 0 0; font-size: .78rem; color: rgba(243,247,246,.4); }

.tank { position: relative; aspect-ratio: 1; }
.tank-water {
  --water: #22b1dc; --murk: 0;
  position: absolute; inset: 0; overflow: hidden;
  border-radius: 46% 54% 50% 50% / 54% 46% 54% 46%;
  background: radial-gradient(circle at 35% 30%, color-mix(in oklab, var(--water) 55%, white), var(--water) 45%, color-mix(in oklab, var(--water) 55%, #0b2130));
  transition: background .8s var(--ease-out);
  animation: morph 16s ease-in-out infinite;
  box-shadow: inset 0 0 80px rgba(11,33,48,.35), 0 40px 120px -40px var(--water);
}
.tank-water::after { content: ""; position: absolute; inset: 0; background: rgba(214, 218, 196, var(--murk)); backdrop-filter: blur(calc(var(--murk) * 6px)); transition: background .8s; }
@keyframes morph { 50% { border-radius: 54% 46% 44% 56% / 46% 56% 44% 54%; transform: rotate(8deg); } }
.caustics {
  position: absolute; inset: -30%;
  background:
    repeating-radial-gradient(circle at 30% 40%, transparent 0 18px, rgba(255,255,255,.14) 20px 22px, transparent 24px 46px),
    repeating-radial-gradient(circle at 70% 60%, transparent 0 26px, rgba(255,255,255,.1) 28px 30px, transparent 32px 60px);
  filter: url(#ripple) blur(1px); animation: drift 20s linear infinite; mix-blend-mode: overlay;
}
@keyframes drift { to { transform: translate(8%, -6%) rotate(12deg); } }
.bubbles i { position: absolute; bottom: -20px; width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,.7); animation: rise 7s ease-in infinite; }
.bubbles i:nth-child(1) { left: 20%; animation-delay: 0s; }
.bubbles i:nth-child(2) { left: 35%; width: 6px; height: 6px; animation-delay: 1.4s; }
.bubbles i:nth-child(3) { left: 50%; width: 14px; height: 14px; animation-delay: 2.8s; }
.bubbles i:nth-child(4) { left: 62%; animation-delay: .7s; }
.bubbles i:nth-child(5) { left: 74%; width: 7px; height: 7px; animation-delay: 3.6s; }
.bubbles i:nth-child(6) { left: 44%; width: 5px; height: 5px; animation-delay: 4.9s; }
.bubbles i:nth-child(7) { left: 82%; width: 12px; height: 12px; animation-delay: 5.5s; }
@keyframes rise { to { transform: translateY(-120vmin) translateX(20px); opacity: 0; } }
.tank-readout { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 18%; color: var(--ink); z-index: 2; }
.tank-ph { font: 900 clamp(4.5rem, 10vw, 8rem)/.85 var(--f-display); letter-spacing: -.02em; }
.tank-state { margin-top: 8px; font: 800 1.4rem/1 var(--f-display); text-transform: uppercase; letter-spacing: .1em; }
.tank-desc { margin-top: 10px; font-size: .95rem; max-width: 20em; font-weight: 500; }

/* ---------- promise ---------- */
.promise { padding-block: var(--section); }
.promise-list { list-style: none; margin: 30px 0 0; padding: 0; }
.promise-list li { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: end; gap: 24px; padding: clamp(18px, 3vw, 34px) 0; border-bottom: 1px solid var(--line-light); }
.promise-list li:nth-child(2) { padding-left: clamp(0px, 10vw, 160px); }
.promise-list li:nth-child(3) { padding-left: clamp(0px, 20vw, 320px); }
.promise-word { font: 900 clamp(4rem, 12vw, 11rem)/.8 var(--f-display); text-transform: uppercase; letter-spacing: -.01em; transition: color .5s, -webkit-text-stroke-color .5s; }
.promise-list li:hover .promise-word { color: transparent; -webkit-text-stroke: 2px var(--glacier-deep); }
.promise-list p { margin: 0; max-width: 22em; color: var(--stone); font-size: clamp(1rem, 1.3vw, 1.2rem); }

/* ---------- review ---------- */
.review { position: relative; padding-block: var(--section); color: var(--snow); overflow: hidden; isolation: isolate; }
.review-bg { position: absolute; inset: -12% 0; z-index: -2; }
.review-bg img { width: 100%; height: 100%; object-fit: cover; }
.review::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(11,33,48,.94) 30%, rgba(11,33,48,.6)); }
.review .kicker { color: var(--glacier); }
.review-quote { margin: 0; max-width: 1040px; }
.review-quote p { margin: 0; font: 400 clamp(1.6rem, 3.3vw, 3rem)/1.18 var(--f-serif); }
.review-quote mark { background: linear-gradient(transparent 62%, rgba(34,177,220,.45) 62%); color: inherit; padding: 0 .05em; }
.review-quote footer { display: flex; align-items: center; gap: 14px; margin-top: 40px; font-size: .95rem; }
.review-quote footer span:last-child { color: rgba(243,247,246,.65); line-height: 1.3; }
.review-quote strong { color: var(--snow); }
.avatar { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--glacier); color: var(--ink); font: 800 1.4rem/1 var(--f-display); }

/* ---------- quote form ---------- */
.quote { background: var(--mist); padding-block: var(--section); }
.quote .kicker { color: var(--glacier-deep); }
.quote-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 6vw, 100px); align-items: start; }
.quote-intro { position: sticky; top: 110px; }
.quote-summary { margin-top: 40px; padding: 22px 24px; border: 1px dashed rgba(11,33,48,.25); border-radius: 16px; }
.qs-title { margin: 0 0 10px; font-size: .76rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--stone); }
.quote-summary ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.quote-summary li { padding: .35em .8em; border-radius: 99px; background: var(--ink); color: var(--snow); font-size: .85rem; animation: pop .5s var(--ease-out); }
.quote-summary li.type { background: var(--glacier); color: var(--ink); font-weight: 600; }
.quote-summary li.empty { background: none; color: var(--stone); padding: 0; animation: none; }
@keyframes pop { from { transform: scale(.7); opacity: 0; } }
.quote-mail { margin-top: 24px; color: var(--stone); }
.quote-mail a { color: var(--ink); font-weight: 600; text-underline-offset: 4px; }

.qform { position: relative; background: var(--snow); border-radius: 28px; padding: clamp(24px, 4vw, 52px); box-shadow: 0 50px 100px -50px rgba(11,33,48,.35); min-height: 520px; display: flex; flex-direction: column; }
.qform-progress { height: 3px; background: var(--mist); border-radius: 99px; overflow: hidden; }
.qform-progress span { display: block; height: 100%; width: 33.33%; background: var(--glacier); transition: width .8s var(--ease-out); }
.qform-step-label { margin: 14px 0 26px; font-size: .78rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--stone); }
.step { border: 0; margin: 0; padding: 0; min-width: 0; display: none; }
.step.is-active { display: block; animation: stepIn .7s var(--ease-out); }
@keyframes stepIn { from { opacity: 0; transform: translateX(30px); } }
.step legend { padding: 0; margin-bottom: 26px; font: 800 clamp(1.8rem, 3vw, 2.6rem)/1 var(--f-display); text-transform: uppercase; }
.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tile { position: relative; display: flex; flex-direction: column; gap: 16px; padding: 26px; border-radius: 20px; border: 1.5px solid var(--line-light); cursor: pointer; transition: border-color .3s, background .3s, transform .5s var(--ease-out); }
.tile:hover { transform: translateY(-3px); border-color: var(--glacier); }
.tile input, .chip input { position: absolute; opacity: 0; pointer-events: none; }
.tile-art svg { width: 76px; height: 48px; fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
.tile-name { font: 800 1.8rem/1 var(--f-display); text-transform: uppercase; }
.tile::after { content: "✓"; position: absolute; top: 18px; right: 18px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; border: 1.5px solid var(--line-light); font-size: .85rem; color: transparent; transition: all .3s; }
.tile:has(input:checked) { background: var(--ink); border-color: var(--ink); color: var(--snow); }
.tile:has(input:checked) .tile-art svg { stroke: var(--glacier); }
.tile:has(input:checked)::after { background: var(--glacier); border-color: var(--glacier); color: var(--ink); }
.tile:has(input:focus-visible), .chip:has(input:focus-visible) { outline: 2px solid var(--glacier); outline-offset: 3px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip span { display: inline-block; padding: .75em 1.2em; border-radius: 99px; border: 1.5px solid var(--line-light); font-weight: 500; cursor: pointer; transition: all .3s var(--ease-out); }
.chip span:hover { border-color: var(--glacier); }
.chip input:checked + span { background: var(--glacier); border-color: var(--glacier); color: var(--ink); font-weight: 600; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.span2 { grid-column: span 2; }
.field { position: relative; }
.field input, .field textarea { width: 100%; padding: 26px 16px 10px; border-radius: 14px; border: 1.5px solid var(--line-light); background: #fbfdfc; font: 500 1rem/1.3 var(--f-body); color: var(--ink); resize: vertical; transition: border-color .3s; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--glacier); }
.field label { position: absolute; left: 17px; top: 18px; font-size: 1rem; color: var(--stone); pointer-events: none; transform-origin: left; transition: transform .35s var(--ease-out), color .3s; }
.field input:focus + label, .field input:not(:placeholder-shown) + label,
.field textarea:focus + label, .field textarea:not(:placeholder-shown) + label { transform: translateY(-11px) scale(.74); color: var(--glacier-deep); }
.field.invalid input { border-color: #d0573f; }
.err { display: none; margin: 14px 0 0; color: #b84a35; font-size: .88rem; font-weight: 500; }
.err.show { display: block; }
.qform-nav { display: flex; gap: 10px; justify-content: flex-end; margin-top: auto; padding-top: 34px; }
.qform-done { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: clamp(24px, 5vw, 60px); background: var(--ink); color: var(--snow); border-radius: 28px; animation: stepIn .8s var(--ease-out); }
.done-mark { width: 140px; height: 72px; margin-bottom: 26px; }
.done-mark { --draw-delay: .2s; }
.qform-done.is-drawn .done-mark { --draw: 0; }
.qform-done h3 { margin: 0 0 12px; font: 800 clamp(2.2rem, 4vw, 3.4rem)/.95 var(--f-display); text-transform: uppercase; }
.qform-done p { margin: 0; color: rgba(243,247,246,.7); font-size: 1.1rem; }

/* ---------- footer ---------- */
.footer { background: var(--ink); color: var(--snow); padding-top: clamp(70px, 9vw, 130px); overflow: hidden; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 30px; padding-bottom: 60px; border-bottom: 1px solid var(--line-dark); }
.footer-cta { margin: 0; font: 800 clamp(2.6rem, 6vw, 5.6rem)/.9 var(--f-display); text-transform: uppercase; }
.footer-cta em { color: var(--glacier); }
.footer-mid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding: 44px 0; }
.footer-mid a, .footer-mid p { display: block; margin: 0 0 6px; text-decoration: none; }
.footer-mid a:hover { color: var(--glacier); }
.f-label { font-size: .74rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: rgba(243,247,246,.45) !important; margin-bottom: 12px !important; }
.footer-word { margin: 0; font: 900 clamp(3rem, 11.4vw, 13rem)/.78 var(--f-display); text-transform: uppercase; white-space: nowrap; color: transparent; -webkit-text-stroke: 1px rgba(191,232,245,.28); letter-spacing: -.01em; transform: translateY(8%); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0 28px; border-top: 1px solid var(--line-dark); font-size: .85rem; color: rgba(243,247,246,.55); }
.footer-bottom p { margin: 0; }
.footer-bottom a { text-decoration: none; }

/* ---------- responsive ---------- */
@media (max-width: 1020px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .hero-grid, .svc, .water-grid, .quote-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-visual { max-width: 560px; width: 100%; margin-inline: auto; }
  .peak-frame { aspect-ratio: 4 / 3.4; }
  .review-chip { left: 0; }
  .svc-stage { display: none; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 56px; }
  .timeline-rail { display: none; }
  .stage::before { top: -24px; }
  .tank { max-width: 460px; width: 100%; margin-inline: auto; }
  .quote-intro { position: static; }
  .promise-list li { grid-template-columns: 1fr; gap: 10px; }
  .promise-list li:nth-child(n) { padding-left: 0; }
}
@media (max-width: 640px) {
  .nav-cta { display: none; }
  .brand-word { font-size: .95rem; }
  .hero-title { font-size: clamp(3.2rem, 17vw, 5rem); }
  .hero-facts li + li { padding-left: 12px; }
  .hero-facts li { flex-basis: 30%; padding-right: 8px; }
  .hero-facts strong { font-size: 1rem; }
  .scroll-cue { display: none; }
  .timeline { grid-template-columns: 1fr; }
  .tiles, .fields { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .tile { padding: 20px; flex-direction: row; align-items: center; }
  .svc-body > div { padding-left: 0; }
  .svc-toggle { grid-template-columns: 40px 1fr 28px; }
  .footer-mid { grid-template-columns: 1fr; }
  .qform-nav .btn { flex: 1; justify-content: center; padding-inline: 1em; }
  .qform { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .ripple, .caustics { filter: none; }
  [data-reveal], .load { opacity: 1; transform: none; }
}