:root {
  --bg: #f3f5f2;
  --surface: #ffffff;
  --text: #15212a;
  --muted: #4f6474;
  --line: #d4dce1;
  --pipe-blue: #2f7f91;
  --safety: #f38a31;
  --steel: #2d3a45;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 18px 40px rgba(26, 41, 52, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Source Sans 3", "Trebuchet MS", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 85% 10%, #dce7ec 0%, transparent 32%),
    radial-gradient(circle at 4% 36%, #f7e4cf 0%, transparent 28%), var(--bg);
  line-height: 1.45;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(26, 52, 69, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(26, 52, 69, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
  z-index: -3;
}

.bg-orb {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(42px);
  pointer-events: none;
  z-index: -2;
}

.orb-a {
  top: -110px;
  right: -140px;
  background: rgba(47, 127, 145, 0.2);
}

.orb-b {
  left: -160px;
  bottom: -190px;
  background: rgba(243, 138, 49, 0.2);
}

.container {
  width: min(1100px, calc(100% - 2.4rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 78%, white 22%);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.nav-wrap {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  font-family: "Sora", "Gill Sans", sans-serif;
  font-weight: 800;
  letter-spacing: 0.03em;
  background: linear-gradient(125deg, var(--pipe-blue), var(--steel));
  color: #fff;
  padding: 0.25rem 0.5rem;
  border-radius: 8px;
}

.brand-text {
  font-family: "Sora", "Gill Sans", sans-serif;
  font-weight: 700;
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1.05rem;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
}

.site-nav a:hover {
  color: var(--text);
}

.hero {
  padding: 4.4rem 0 2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pipe-blue);
  font-weight: 700;
  margin: 0;
}

h1,
h2,
h3 {
  font-family: "Sora", "Gill Sans", sans-serif;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 {
  margin-top: 0.6rem;
  font-size: clamp(2.1rem, 4vw, 3.6rem);
  line-height: 1.06;
  max-width: 18ch;
}

.hero-copy {
  color: var(--muted);
  font-size: clamp(1.04rem, 1.2vw, 1.3rem);
  max-width: 60ch;
  margin-top: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.64rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 160ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(118deg, var(--pipe-blue), #1f6a7f);
  color: #fff;
  box-shadow: 0 8px 20px rgba(47, 127, 145, 0.28);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--steel);
  background: rgba(255, 255, 255, 0.65);
}

.hero-metrics {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.hero-metrics article {
  background: color-mix(in srgb, white 92%, #e8eef2 8%);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.95rem;
}

.metric {
  font-family: "Sora", "Gill Sans", sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  margin: 0;
}

.label {
  margin: 0.22rem 0 0;
  color: var(--muted);
}

.section {
  padding: 2.9rem 0;
}

.section-heading {
  margin-bottom: 1rem;
}

.section-heading h2 {
  margin-top: 0.5rem;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
}

.pillars,
.feature-grid {
  display: grid;
  gap: 1rem;
}

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

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

.card,
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 1rem 1rem 1.1rem;
}

.card h3,
.feature h3 {
  font-size: 1.15rem;
}

.card p,
.feature p {
  color: var(--muted);
  margin: 0.45rem 0 0;
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.95rem;
}

.timeline li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 1rem;
  align-items: start;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 0.8rem;
}

.timeline span {
  font-family: "Sora", "Gill Sans", sans-serif;
  font-weight: 800;
  color: var(--safety);
  font-size: 1.35rem;
}

.timeline p {
  margin: 0.28rem 0 0;
  color: var(--muted);
}

.size-standard {
  border: 1px solid color-mix(in srgb, var(--safety) 45%, var(--line));
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #fff 0%, #fff7ee 100%);
  padding: 1.2rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 1rem;
}

.size-standard p {
  color: var(--muted);
}

.size-cards {
  display: grid;
  gap: 0.8rem;
}

.size-cards article {
  border: 1px dashed color-mix(in srgb, var(--safety) 35%, var(--line));
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.74);
  padding: 0.8rem;
}

.size-cards article p {
  margin: 0.3rem 0 0;
}

.site-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, white 65%, var(--bg) 35%);
}

.footer-wrap {
  min-height: 90px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.footer-wrap p {
  margin: 0;
  color: var(--muted);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 650ms cubic-bezier(0.2, 0.82, 0.24, 0.98);
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 90ms;
}

.delay-2 {
  transition-delay: 180ms;
}

.delay-3 {
  transition-delay: 270ms;
}

.delay-4 {
  transition-delay: 360ms;
}

@media (max-width: 980px) {
  .hero-metrics,
  .pillars,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .size-standard {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .site-nav {
    gap: 0.7rem;
    font-size: 0.95rem;
  }

  .hero {
    padding-top: 3.2rem;
  }

  .hero-metrics,
  .pillars,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 46px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}