@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
  --ink: #081117;
  --muted: #65747d;
  --line: #e2ecea;
  --panel: #f4f8f7;
  --white: #ffffff;
  --carbon: #0b171c;
  --teal: #00957f;
  --teal-dark: #006f67;
  --green: #8fbd4c;
  --gold: #d9aa45;
  --shadow: 0 24px 70px rgba(8, 17, 23, .14);
  --soft-shadow: 0 14px 36px rgba(8, 17, 23, .08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", Arial, Helvetica, sans-serif;
  line-height: 1.58;
  background:
    radial-gradient(circle at 8% -8%, rgba(0,149,127,.09), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, #f9fbfb 100%);
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.topline { display: none; }
.topline .wrap, .nav .wrap, .section, .footer .wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.84);
  border-bottom: 1px solid rgba(210, 225, 223, .72);
  backdrop-filter: blur(18px) saturate(1.25);
  box-shadow: 0 10px 34px rgba(8,17,23,.05);
}
.nav .wrap {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 250px;
}
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand b {
  display: block;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 20px;
  line-height: 1.02;
  letter-spacing: .05em;
}
.brand span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .18em;
}
.menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 25px;
  font-size: 14px;
  font-weight: 650;
  color: #263238;
}
.menu a {
  border-bottom: 2px solid transparent;
  padding: 30px 0 26px;
  transition: color .18s ease, border-color .18s ease;
}
.menu a:hover, .menu a.active { border-color: var(--teal); color: var(--teal); }

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--teal);
  border-radius: 999px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: white;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .05em;
  text-transform: uppercase;
  box-shadow: 0 12px 30px rgba(0,149,127,.22);
  transition: transform .18s ease, box-shadow .18s ease;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 16px 38px rgba(0,149,127,.30); }
.cta.secondary {
  background: rgba(255,255,255,.78);
  color: var(--teal-dark);
  box-shadow: none;
}

.hero {
  background: transparent;
  color: var(--ink);
}
.hero .section {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1fr);
  align-items: center;
  gap: 58px;
  padding: 72px 0 88px;
}
.hero-media {
  min-height: 540px;
  background:
    linear-gradient(180deg, rgba(0,0,0,.02), rgba(0,0,0,.22)),
    var(--hero) center/cover no-repeat;
  border-radius: 30px;
  position: relative;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-media:after {
  content: "Advanced carbon materials";
  position: absolute;
  left: 0;
  bottom: 0;
  background: rgba(0,149,127,.94);
  color: white;
  padding: 18px 24px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
  border-top-right-radius: 18px;
}

.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: 12px;
  font-weight: 850;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 850px;
  margin: 14px 0 24px;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(46px, 6vw, 82px);
  line-height: .93;
  letter-spacing: 0;
}
h2 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1;
  margin-bottom: 18px;
  letter-spacing: 0;
}
h3 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  letter-spacing: 0;
}
.hero p {
  max-width: 660px;
  font-size: 20px;
  color: #334047;
}
.hero-actions, .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}
.proofbar { display: none; }

.section { padding: 94px 0; }
.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  gap: 58px;
  align-items: center;
}
.split.reverse { grid-template-columns: minmax(320px, .9fr) minmax(0, 1fr); }
.lead {
  color: #3d484e;
  font-size: 19px;
  max-width: 780px;
}
.muted { color: var(--muted); }
.image-frame {
  min-height: 400px;
  background: center/cover no-repeat;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.application-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--soft-shadow);
}
.app-tile {
  min-height: 270px;
  color: white;
  background: linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.70)), var(--image) center/cover no-repeat;
  display: flex;
  align-items: flex-end;
  padding: 24px;
  transition: filter .2s ease;
}
.app-tile:hover { filter: brightness(1.06); }
.app-tile h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.card {
  border: 1px solid rgba(213,226,224,.92);
  background: rgba(255,255,255,.88);
  padding: 30px;
  min-height: 250px;
  border-radius: var(--radius);
  box-shadow: var(--soft-shadow);
  backdrop-filter: blur(10px);
}
.card.image {
  padding: 0;
  overflow: hidden;
}
.card.image img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}
.card.image .pad { padding: 26px; }
.card h3 {
  font-size: 23px;
  line-height: 1.16;
  margin-bottom: 12px;
}

.band {
  background: linear-gradient(135deg, rgba(237,246,244,.96), rgba(248,251,251,.98));
  border-top: 1px solid rgba(216,229,227,.82);
  border-bottom: 1px solid rgba(216,229,227,.82);
}
.dark {
  background:
    radial-gradient(circle at 88% 12%, rgba(0,149,127,.22), transparent 24rem),
    linear-gradient(135deg, #081117, #10242a);
  color: white;
}
.dark .muted, .dark .lead { color: #c9d3d0; }
.dark .card { color: var(--ink); }

.table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--soft-shadow);
}
.row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.4fr;
  border-top: 1px solid var(--line);
}
.row:first-child { border-top: 0; background: var(--panel); font-weight: 800; }
.row div { padding: 18px; border-left: 1px solid var(--line); }
.row div:first-child { border-left: 0; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255,255,255,.05);
}
.stats div { padding: 28px; border-left: 1px solid rgba(255,255,255,.18); }
.stats div:first-child { border-left: 0; }
.stats strong { display: block; font-size: 38px; line-height: 1; }

.list {
  display: grid;
  gap: 13px;
  padding: 0;
  margin: 22px 0 0;
  list-style: none;
}
.list li {
  padding-left: 24px;
  position: relative;
}
.list li:before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--green);
  position: absolute;
  left: 0;
  top: .65em;
  border-radius: 50%;
}

.page-hero {
  background:
    linear-gradient(90deg, rgba(8,17,23,.90), rgba(8,17,23,.54), rgba(8,17,23,.20)),
    var(--hero) center/cover no-repeat;
  color: white;
}
.page-hero .section { padding: 132px 0 108px; }
.page-hero h1 { font-size: clamp(42px, 5.5vw, 72px); max-width: 960px; }
.page-hero .lead { color: #e5eeeb; }

.footer {
  background:
    radial-gradient(circle at 10% 0%, rgba(0,149,127,.18), transparent 22rem),
    #081117;
  color: #dce4e1;
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr .7fr .8fr .8fr .9fr;
  gap: 34px;
}
.footer h3 {
  color: white;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .14em;
}
.footer a {
  color: #dce4e1;
  display: block;
  margin: 9px 0;
  transition: color .18s ease;
}
.footer a:hover { color: #8fe6d5; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.15);
  margin-top: 36px;
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #aeb9b6;
  font-size: 13px;
}
.notice {
  border: 1px solid rgba(217,170,69,.28);
  border-left: 5px solid var(--gold);
  border-radius: 18px;
  padding: 24px 28px;
  background: linear-gradient(135deg, #fff8ea, #fffdf6);
  box-shadow: var(--soft-shadow);
}
.credits li { margin-bottom: 14px; }

input, select, textarea {
  border-radius: 14px;
}

@media (max-width: 980px) {
  .nav .wrap { height: auto; align-items: flex-start; padding: 16px 0; flex-direction: column; }
  .menu { flex-wrap: wrap; gap: 14px 20px; justify-content: flex-start; }
  .menu a { padding: 0 0 8px; }
  .split, .split.reverse { grid-template-columns: 1fr; }
  .hero .section { grid-template-columns: 1fr; min-height: 0; }
  .hero-media { min-height: 390px; }
  .grid, .proofbar, .stats, .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .application-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .brand { min-width: 0; }
  .hero .section { padding: 58px 0; }
  h1 { font-size: clamp(40px, 12vw, 58px); }
  .grid, .proofbar, .stats, .footer-grid, .row { grid-template-columns: 1fr; }
  .application-grid { grid-template-columns: 1fr; }
  .row div { border-left: 0; border-top: 1px solid var(--line); }
  .row div:first-child { border-top: 0; }
}
