:root {
  --bg: #f3f7f8;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --text: #14212a;
  --muted: #52626d;
  --line: rgba(20, 33, 42, 0.09);
  --accent: #0f8b8d;
  --accent-2: #2c5f9e;
  --accent-3: #f29e4c;
  --shadow: 0 18px 42px rgba(16, 34, 43, 0.12);
  --radius: 24px;
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 139, 141, 0.08), transparent 30%),
    radial-gradient(circle at top right, rgba(242, 158, 76, 0.08), transparent 26%),
    linear-gradient(180deg, #eff6f7 0%, #ffffff 38%, #f7fafb 100%);
  font-family: "Avenir Next", "Helvetica Neue", "Segoe UI", sans-serif;
  line-height: 1.6;
}

img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 18px;
}

code,
pre {
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

h1,
h2,
h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  letter-spacing: -0.02em;
}

.hero {
  padding: 24px clamp(20px, 4vw, 52px) 60px;
  background:
    radial-gradient(circle at 8% 8%, rgba(15, 139, 141, 0.15), transparent 28%),
    radial-gradient(circle at 88% 0%, rgba(44, 95, 158, 0.16), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(245, 250, 251, 0.98));
}

.nav {
  max-width: var(--max);
  margin: 0 auto 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav a,
.text-link {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.text-link:hover {
  color: var(--accent);
}

.hero-grid,
.install-grid,
.metric-grid,
.card-grid,
.media-grid,
.workflow-grid {
  display: grid;
  gap: 22px;
}

.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(15, 139, 141, 0.1);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(3rem, 5vw, 4.8rem);
  line-height: 0.95;
}

.lede {
  max-width: 60ch;
  font-size: 1.08rem;
  color: #2d3f49;
}

.cta-row {
  margin: 26px 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid rgba(20, 33, 42, 0.12);
  color: var(--text);
  background: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  color: #ffffff;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.hero-points {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.hero-card,
.metric-card,
.info-card,
.install-card,
.media-card,
.step-card,
.citation-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-card {
  padding: 16px;
}

.caption,
.subtle,
.table-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 68px clamp(20px, 4vw, 52px);
}

.section.alt {
  max-width: none;
  background:
    linear-gradient(180deg, rgba(15, 139, 141, 0.04), rgba(44, 95, 158, 0.03)),
    rgba(255, 255, 255, 0.85);
  border-top: 1px solid rgba(20, 33, 42, 0.05);
  border-bottom: 1px solid rgba(20, 33, 42, 0.05);
}

.section.alt > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2 {
  margin: 0 0 10px;
  font-size: clamp(2.05rem, 3.2vw, 3rem);
}

.metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 22px;
}

.metric-card {
  padding: 22px;
  text-align: center;
}

.metric-value {
  display: block;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--accent-2);
}

.metric-label {
  color: var(--muted);
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.install-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 22px;
}

.media-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.install-card,
.media-card,
.citation-card {
  padding: 22px;
}

.chip-list {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.workflow-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
  overflow: hidden;
}

.step-copy {
  padding: 18px 18px 22px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #ffffff;
  font-weight: 800;
}

.step-card h3,
.info-card h3,
.install-card h3,
.media-card h3 {
  margin: 0 0 8px;
  font-size: 1.3rem;
}

.footer {
  padding: 28px 20px 42px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .hero-grid,
  .install-grid,
  .media-grid.two,
  .card-grid.three,
  .workflow-grid,
  .metric-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-grid,
  .install-grid,
  .media-grid.two,
  .card-grid.three,
  .workflow-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .hero {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: clamp(2.4rem, 11vw, 3.5rem);
  }
}