:root {
  --ink: #040d21;
  --navy: #07173a;
  --navy-2: #0b2350;
  --line: rgba(120, 180, 255, .16);
  --blue: #1789e6;
  --cyan: #38b0ff;
  --text: #e9f1fb;
  --muted: #9fb4d1;
  --paper: #f2f6fb;
  --paper-ink: #0c1d3d;
  --paper-muted: #50627f;
  --r: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font: 400 1rem/1.65 Montserrat, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(1120px, 100% - 40px); margin-inline: auto; }

.eyebrow {
  font-size: .76rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 18px;
}
h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.5rem); line-height: 1.2; font-weight: 700;
  letter-spacing: -.01em; text-wrap: balance; max-width: 22em;
}
h2 em { font-style: normal; font-weight: 300; color: var(--cyan); }
h3 { font-size: 1.1rem; font-weight: 700; line-height: 1.3; }
.lead { margin-top: 20px; max-width: 44em; font-size: 1.08rem; color: var(--muted); }
.fine { margin-top: 28px; font-size: .86rem; color: var(--muted); max-width: 52em; }
.fine a { color: var(--cyan); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 26px; border-radius: 999px; border: 1px solid transparent;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #021027; font-weight: 700; font-size: .95rem; text-decoration: none; white-space: nowrap;
  box-shadow: 0 10px 30px -10px rgba(56, 176, 255, .7);
  transition: transform .2s, box-shadow .2s, background-color .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 36px -10px rgba(56, 176, 255, .85); }
.btn--sm { padding: 10px 18px; font-size: .84rem; }
.btn--lg { padding: 19px 34px; font-size: 1.02rem; }
.btn--ghost { background: transparent; color: var(--text); border-color: rgba(255, 255, 255, .28); box-shadow: none; }
.btn--ghost:hover { background: rgba(255, 255, 255, .07); box-shadow: none; }
.ico { width: 1.2em; height: 1.2em; fill: none; stroke: currentColor; stroke-width: 2.200; stroke-linecap: round; stroke-linejoin: round; }

/* nav */
.nav { position: fixed; inset: 0 0 auto; z-index: 10; transition: background-color .3s, box-shadow .3s; }
.nav.is-stuck { background: rgba(4, 13, 33, .86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--line); }
.nav__in { display: flex; align-items: center; gap: 28px; height: 72px; }
.nav__logo img { width: 112px; }
.nav__links { display: flex; gap: 26px; margin-left: auto; }
.nav__links a { font-size: .86rem; font-weight: 500; text-decoration: none; color: var(--muted); transition: color .2s; }
.nav__links a:hover { color: #fff; }

/* hero */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  min-height: min(100svh, 920px); display: flex; flex-direction: column;
  background:
    radial-gradient(60% 55% at 85% 30%, rgba(23, 137, 230, .38), transparent 70%),
    radial-gradient(50% 40% at 10% 100%, rgba(56, 176, 255, .18), transparent 70%),
    linear-gradient(180deg, #030a1a 0%, var(--navy) 60%, var(--navy-2) 100%);
}
.hero__bubbles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; }
.hero__net {
  position: absolute; z-index: -1; right: -60px; top: 50%; translate: 0 -54%;
  width: min(54vw, 620px); color: var(--cyan); opacity: .34;
}
.hero__in { flex: 1; display: flex; flex-direction: column; justify-content: center; padding-block: 130px 56px; }
h1 {
  font-size: clamp(1.5rem, 4.4vw, 3.4rem); font-weight: 300; line-height: 1.16;
  text-transform: uppercase; letter-spacing: .01em;
}
h1 span { display: block; }
h1 b { font-weight: 800; color: var(--cyan); }
.hero__lead {
  margin-top: 30px; padding-top: 26px; max-width: 30em; font-size: clamp(1rem, 1.6vw, 1.2rem); color: #cfdcee;
  background: linear-gradient(var(--cyan), var(--cyan)) no-repeat 0 0 / 56px 3px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero__note { margin-top: 16px; font-size: .8rem; color: var(--muted); }

.pillars {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--line); padding-block: 26px 34px;
}
.pillars li {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #d5e3f5;
}
.pillars li + li { border-left: 1px solid var(--line); }
.pillars svg { width: 34px; height: 34px; fill: none; stroke: var(--cyan); stroke-width: 1.500; stroke-linecap: round; stroke-linejoin: round; }

/* sections */
.sec { padding-block: clamp(72px, 10vw, 128px); }
.sec--tight { padding-top: 0; }
.sec--light { background: var(--paper); color: var(--paper-ink); }
.sec--light .eyebrow, .sec--light .fine a { color: var(--blue); }
.sec--light .lead, .sec--light .fine { color: var(--paper-muted); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; border-top: 1px solid var(--line); }
.steps li { position: relative; padding: 30px 26px 0 0; }
.steps li::before {
  content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 0 5px rgba(56, 176, 255, .18);
}
.steps__n { font-size: .78rem; font-weight: 600; letter-spacing: .14em; color: var(--muted); }
.steps h3 { margin: 6px 0 10px; font-size: 1.35rem; text-transform: uppercase; letter-spacing: .03em; color: var(--cyan); }
.steps p { font-size: .93rem; color: var(--muted); }

/* products */
.products { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.product { background: #fff; border-radius: var(--r); overflow: hidden; box-shadow: 0 1px 2px rgba(12, 29, 61, .06), 0 18px 40px -24px rgba(12, 29, 61, .3); display: flex; flex-direction: column; }
.product__live { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.product__body { padding: 26px 28px 24px; display: flex; flex-direction: column; flex: 1; }
.product__body p { margin-top: 6px; font-size: .92rem; color: var(--paper-muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chips li { padding: 5px 13px; border-radius: 999px; background: #e4eefb; color: #0e4c8f; font-size: .84rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.product__shot { margin: auto auto 0; padding-top: 22px; width: 100%; max-height: 230px; object-fit: contain; }

.materials { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 24px; }
.material { padding: 28px; border-radius: var(--r); border: 1px solid #d6e1f0; background: #f9fbfe; }
.material header { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.material h3 { font-size: 1.3rem; }
.material small { font-size: .8rem; color: var(--paper-muted); }
.swatch { width: 22px; height: 22px; border-radius: 50%; border: 3px solid #e9e6dc; box-shadow: 0 0 0 1px #c9d3e2; }
.material--epdm .swatch { background: #14161b; }
.material--si .swatch { background: #5b9bea; }
.material p { font-size: .94rem; color: var(--paper-muted); }
.material ul { margin: 16px 0; display: grid; gap: 8px; }
.material li { position: relative; padding-left: 22px; font-size: .92rem; font-weight: 500; }
.material li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.material__use { padding-top: 16px; border-top: 1px solid #d6e1f0; font-size: .88rem !important; }
.material__use b { color: var(--paper-ink); }

/* stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 52px; }
.stats > div { padding: 30px 28px; border-radius: var(--r); border: 1px solid var(--line); background: linear-gradient(160deg, rgba(23, 137, 230, .16), rgba(23, 137, 230, .03)); }
.stats dt { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; line-height: 1.1; color: #fff; font-variant-numeric: tabular-nums; }
.stats dt small { font-size: .9rem; font-weight: 600; color: var(--cyan); white-space: nowrap; }
.stats dd { margin-top: 12px; font-size: .93rem; color: var(--muted); }

.depth { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: start; margin-top: 64px; }
.depth h3 { font-size: 1.35rem; margin-bottom: 12px; }
.depth p { color: var(--muted); }
.depth__list { display: grid; gap: 14px; }
.depth__list li { display: grid; grid-template-columns: 92px 1fr; gap: 16px; align-items: baseline; padding: 16px 0; border-top: 1px solid var(--line); }
.depth__list b { font-size: 1.2rem; color: var(--cyan); white-space: nowrap; }
.depth__list span { font-size: .92rem; color: var(--muted); }

/* founders */
.founders { display: flex; flex-wrap: wrap; gap: 28px 56px; margin-top: 40px; }
.founders figure { display: flex; align-items: center; gap: 20px; }
.founders img { width: 116px; height: 116px; border-radius: 50%; object-fit: cover; border: 3px solid var(--cyan); box-shadow: 0 0 0 6px rgba(56, 176, 255, .14); }
.founders figcaption { display: grid; gap: 2px; }
.founders b { font-size: 1.08rem; }
.founders span { font-size: .86rem; color: var(--muted); }

/* cta */
.cta { background: linear-gradient(120deg, #0a4fa8 0%, var(--blue) 55%, var(--cyan) 100%); color: #fff; }
.cta__in { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-block: clamp(56px, 8vw, 88px); }
.cta .eyebrow { color: #d6ecff; }
.cta h2 { max-width: 16em; }
.cta p:not(.eyebrow) { margin-top: 14px; max-width: 36em; color: #e2f1ff; }
.cta__actions { display: grid; gap: 16px; justify-items: center; flex-shrink: 0; }
.cta .btn { background: #fff; color: #06326f; box-shadow: 0 14px 34px -12px rgba(2, 16, 39, .6); }
.cta__mail { font-size: .92rem; font-weight: 600; color: #fff; }

/* footer */
.foot { background: #020814; color: var(--muted); font-size: .86rem; }
.foot__in { display: flex; align-items: center; gap: 28px; padding-block: 30px; flex-wrap: wrap; }
.foot p:first-of-type { text-transform: uppercase; letter-spacing: .18em; font-size: .72rem; }
.foot b { color: var(--cyan); }
.foot__links { margin-left: auto; display: flex; gap: 22px; flex-wrap: wrap; }
.foot__ig { display: inline-flex; align-items: center; gap: 7px; }
.foot__ig svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.foot a { text-decoration: none; }
.foot a:hover { color: #fff; }

/* reveal */
.rv { opacity: 0; translate: 0 18px; transition: opacity .7s, translate .7s; }
.rv.in { opacity: 1; translate: 0; }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__in { justify-content: space-between; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 36px; border-top: 0; }
  .steps li { border-top: 1px solid var(--line); }
  .products, .materials, .stats, .depth { grid-template-columns: 1fr; }
  .depth { gap: 28px; }
  .cta__in { flex-direction: column; align-items: flex-start; }
  .cta__actions { justify-items: start; }
  .hero__net { opacity: .16; width: 90vw; right: -30vw; }
}
@media (max-width: 560px) {
  .pillars { grid-template-columns: repeat(3, 1fr); row-gap: 22px; }
  .pillars li:nth-child(4) { border-left: 0; }
  .pillars li { font-size: .64rem; letter-spacing: .1em; }
  .steps { grid-template-columns: 1fr; }
  .hero__cta .btn { width: 100%; }
  .cta__actions, .cta .btn { width: 100%; }
  .foot__links { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; translate: 0; transition: none; }
  .btn { transition: none; }
}