:root {
  --bg: #f4f7f8;
  --bg-2: #e9f1f3;
  --ink: #0d1b24;
  --ink-soft: #4a5b65;
  --ink-faint: #7b8a92;
  --water: #1d7f8f;
  --water-soft: #7fd3e0;
  --line: rgba(13, 27, 36, 0.08);
  --glass: rgba(255, 255, 255, 0.52);
  --glass-edge: rgba(255, 255, 255, 0.85);
  --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset, 0 20px 50px -20px rgba(13, 40, 55, 0.22), 0 2px 6px rgba(13, 40, 55, 0.05);
  --ring: rgba(29, 127, 143, 0.22);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #071118; --bg-2: #0b1a23; --ink: #eaf3f5; --ink-soft: #a7b8bf; --ink-faint: #74868e;
    --water: #7fd3e0; --water-soft: #7fd3e0; --line: rgba(234, 243, 245, 0.08);
    --glass: rgba(18, 36, 46, 0.5); --glass-edge: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 1px 0 rgba(255, 255, 255, 0.08) inset, 0 24px 60px -24px rgba(0, 0, 0, 0.6);
    --ring: rgba(127, 211, 224, 0.18);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font: 17px/1.65 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body::before { /* soft water light behind everything */
  content: ""; position: fixed; inset: -20vh -10vw auto; height: 90vh; z-index: -2; pointer-events: none;
  background: radial-gradient(60% 60% at 70% 20%, rgba(127, 211, 224, 0.28), transparent 70%),
              radial-gradient(50% 50% at 10% 40%, rgba(29, 127, 143, 0.10), transparent 70%);
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.wrap { width: min(1080px, 100% - 48px); margin: 0 auto; }
.skip { position: absolute; left: 16px; top: -60px; z-index: 50; background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 12px; text-decoration: none; font-weight: 600; }
.skip:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--water); outline-offset: 3px; border-radius: 10px; }

/* Liquid glass */
.glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(170%); backdrop-filter: blur(22px) saturate(170%);
  border: 1px solid var(--glass-edge); box-shadow: var(--glass-shadow);
  position: relative; isolation: isolate;
}
.glass::after { /* specular sheen along the top edge */
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0) 38%);
  opacity: .7;
}
@media (prefers-color-scheme: dark) { .glass::after { opacity: .12; } }

/* Nav */
.nav { position: sticky; top: 16px; z-index: 20; margin-top: 16px; }
.nav .bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 10px 12px 10px 16px; border-radius: 999px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; letter-spacing: -0.2px; }
.brand svg { width: 28px; height: 28px; }
.nav nav { display: flex; gap: 4px; }
.nav nav a { text-decoration: none; color: var(--ink-soft); font-size: 15px; padding: 8px 14px; border-radius: 999px; }
.nav nav a:hover { color: var(--ink); background: rgba(127, 211, 224, 0.16); }
@media (max-width: 560px) { .nav nav a.hide-sm { display: none; } }

/* Hero */
.hero { position: relative; padding: clamp(96px, 16vh, 168px) 0 clamp(80px, 12vh, 140px); text-align: center; }
.ripples { position: absolute; left: 50%; top: 46%; width: 0; height: 0; z-index: -1; pointer-events: none; }
.ripples span {
  position: absolute; left: 0; top: 0; width: 140px; height: 140px; margin: -70px 0 0 -70px; border-radius: 50%;
  border: 1.5px solid var(--ring); animation: ripple 9s cubic-bezier(.2, .6, .3, 1) infinite; opacity: 0;
}
.ripples span:nth-child(2) { animation-delay: 2.25s; }
.ripples span:nth-child(3) { animation-delay: 4.5s; }
.ripples span:nth-child(4) { animation-delay: 6.75s; }
@keyframes ripple { 0% { transform: scale(.2); opacity: 0; } 12% { opacity: 1; } 100% { transform: scale(7.5); opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .ripples span { animation: none; opacity: 1; }
  .ripples span:nth-child(1) { transform: scale(1.4); } .ripples span:nth-child(2) { transform: scale(2.6); opacity: .7; }
  .ripples span:nth-child(3) { transform: scale(4); opacity: .45; } .ripples span:nth-child(4) { transform: scale(5.6); opacity: .25; }
  html { scroll-behavior: auto; }
}
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-soft); padding: 7px 14px; border-radius: 999px; margin: 0 0 28px; }
.eyebrow b { width: 6px; height: 6px; border-radius: 50%; background: var(--water); display: inline-block; }
h1, h2, .display, .quote p { text-wrap: balance; }
h1, h2, .display { font-family: "Instrument Serif", "Iowan Old Style", Georgia, serif; font-weight: 400; letter-spacing: -0.02em; }
h1 { font-size: clamp(52px, 9vw, 112px); line-height: .98; margin: 0 auto 26px; max-width: 12ch; }
h1 em, h2 em { font-style: italic; color: var(--water); }
.lede { font-size: clamp(18px, 2.1vw, 21px); color: var(--ink-soft); max-width: 36ch; margin: 0 auto 40px; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; transition: transform .2s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-solid { background: var(--ink); color: var(--bg); }
.btn-glass { color: var(--ink); }

/* Sections */
section { padding: clamp(72px, 11vh, 128px) 0; }
.kicker { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--water); margin: 0 0 16px; font-weight: 600; }
h2 { font-size: clamp(38px, 5.4vw, 64px); line-height: 1.03; margin: 0 0 20px; max-width: 16ch; }
.sub { color: var(--ink-soft); max-width: 52ch; margin: 0; font-size: 18px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }
.card { border-radius: 28px; padding: 32px 30px 34px; }
.card .num { font-family: "Instrument Serif", Georgia, serif; font-size: 22px; color: var(--water); }
.card h3 { font-size: 21px; letter-spacing: -0.2px; margin: 18px 0 8px; font-weight: 650; }
.card p { margin: 0; color: var(--ink-soft); font-size: 16px; }

/* Quote band */
.quote { text-align: center; }
.quote p { font-family: "Instrument Serif", Georgia, serif; font-size: clamp(32px, 4.6vw, 56px); line-height: 1.1; margin: 0 auto; max-width: 22ch; letter-spacing: -0.01em; }
.quote p em { color: var(--water); }

/* Product */
.product { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; border-radius: 36px; padding: clamp(28px, 5vw, 56px); }
@media (max-width: 860px) { .product { grid-template-columns: 1fr; } }
.app { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.app img { width: 64px; height: 64px; border-radius: 16px; box-shadow: 0 8px 20px -8px rgba(13, 40, 55, .35); }
.app strong { display: block; font-size: 22px; letter-spacing: -0.3px; }
.app span { color: var(--ink-faint); font-size: 15px; }
.product p { color: var(--ink-soft); margin: 0 0 24px; }
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.facts li { display: flex; gap: 14px; align-items: baseline; padding: 16px 18px; border-radius: 18px; background: rgba(127, 211, 224, 0.10); border: 1px solid var(--line); color: var(--ink-soft); font-size: 15.5px; }
.facts b { color: var(--ink); font-weight: 650; min-width: 9ch; }

/* Company details */
.details { border-radius: 28px; padding: 8px 28px; margin-top: 40px; }
.details dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; }
.details dt, .details dd { padding: 18px 0; border-bottom: 1px solid var(--line); margin: 0; }
.details dt { color: var(--ink-faint); font-size: 15px; padding-right: 32px; }
.details dd { font-weight: 550; }
.details dl > :nth-last-child(-n+2) { border-bottom: 0; }
@media (max-width: 560px) { .details dl { grid-template-columns: 1fr; } .details dt { padding-bottom: 0; border: 0; } .details dd { padding-top: 4px; } }

footer { padding: 48px 0 56px; color: var(--ink-faint); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 28px; }
footer nav { display: flex; gap: 20px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* Prose pages */
.prose { max-width: 680px; margin: 0 auto; padding: 72px 0 40px; }
.prose h1 { font-size: clamp(44px, 7vw, 72px); text-align: left; margin: 0 0 12px; max-width: none; }
.prose h2 { font-family: "Inter", sans-serif; font-size: 20px; font-weight: 650; letter-spacing: -0.2px; margin: 36px 0 8px; }
.prose p, .prose li { color: var(--ink-soft); }
section[id] { scroll-margin-top: 96px; }
@media (max-width: 560px) {
  .eyebrow { font-size: 13px; white-space: nowrap; }
  .facts li { flex-direction: column; gap: 2px; }
}