:root {
  --navy-950: #06111f;
  --navy-900: #081827;
  --navy-850: #0d2033;
  --navy-800: #122a42;
  --blue-muted: #8198ad;
  --blue-soft: #a9bbca;
  --paper: #f7f2e8;
  --paper-soft: #eee7da;
  --white: #ffffff;
  --line: rgba(247, 242, 232, 0.14);
  --line-strong: rgba(247, 242, 232, 0.24);
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 12%, rgba(129, 152, 173, 0.15), transparent 30rem),
    radial-gradient(circle at 86% 8%, rgba(247, 242, 232, 0.08), transparent 34rem),
    linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 40%, #07131f 100%);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

body::selection {
  background: var(--paper);
  color: var(--navy-950);
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin-top: 0;
}

p {
  color: rgba(247, 242, 232, 0.78);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 3.5rem);
  background: rgba(6, 17, 31, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.wordmark {
  color: var(--white);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.75rem);
  color: rgba(247, 242, 232, 0.74);
  font-size: 0.88rem;
}

.site-nav a {
  transition: color 160ms ease;
}

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

.hero,
.section,
.site-footer {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 9rem) 0 clamp(4rem, 8vw, 7rem);
}

.hero-content {
  max-width: 780px;
}

.eyebrow,
.card-label {
  margin-bottom: 1rem;
  color: var(--blue-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 860px;
  margin-bottom: 1.6rem;
  color: var(--white);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.2rem, 12vw, 9rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.hero-copy {
  max-width: 710px;
  margin-bottom: 1.1rem;
  font-size: clamp(1.1rem, 2.1vw, 1.45rem);
  line-height: 1.55;
}

.hero-copy-strong {
  color: var(--paper);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.1rem;
  margin-top: 2.1rem;
}

.button,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
}

.button {
  padding: 0.8rem 1.25rem;
  background: var(--paper);
  color: var(--navy-950);
  box-shadow: var(--shadow);
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
  background: var(--white);
}

.button-light {
  background: var(--white);
}

.text-link {
  color: rgba(247, 242, 232, 0.8);
}

.text-link::after {
  content: "→";
  margin-left: 0.45rem;
}

.hero-card,
.mountain-card,
.collaborate-card,
.timeline article,
.lens-grid article,
.build-grid article {
  border: 1px solid var(--line);
  background: rgba(18, 42, 66, 0.54);
  box-shadow: var(--shadow);
}

.hero-card {
  align-self: end;
  padding: 1.6rem;
  border-radius: 1.4rem;
}

.hero-card p:last-child {
  margin-bottom: 0;
  color: rgba(247, 242, 232, 0.83);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 840px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.4rem, 5.5vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

h3 {
  margin-bottom: 0.7rem;
  color: var(--white);
  font-size: 1.05rem;
  line-height: 1.3;
}

.timeline,
.lens-grid,
.build-grid {
  display: grid;
  gap: 1rem;
}

.timeline {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.timeline article,
.lens-grid article,
.build-grid article {
  min-height: 210px;
  padding: 1.35rem;
  border-radius: 1.1rem;
}

.timeline span,
.build-grid span {
  display: inline-flex;
  margin-bottom: 2.2rem;
  color: var(--blue-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.timeline p,
.lens-grid p,
.build-grid p {
  margin-bottom: 0;
  font-size: 0.98rem;
}

.current-step {
  background: rgba(247, 242, 232, 0.09) !important;
  border-color: var(--line-strong) !important;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.section-copy {
  max-width: 680px;
}

.section-copy p {
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.statement {
  max-width: 960px;
}

.statement p {
  max-width: 770px;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.statement.narrow {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
}

.statement.narrow p {
  margin-left: auto;
  margin-right: auto;
}

.lens-grid,
.build-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 2.5rem;
}

.lens-grid article {
  background: rgba(8, 24, 39, 0.7);
}

.mountain-section {
  border-top: none;
}

.mountain-card {
  padding: clamp(2rem, 5vw, 4rem);
  border-radius: 1.8rem;
  background:
    radial-gradient(circle at 85% 20%, rgba(247, 242, 232, 0.1), transparent 20rem),
    rgba(18, 42, 66, 0.64);
}

.mountain-card h2 {
  max-width: 880px;
}

.mountain-card p {
  max-width: 850px;
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.build-grid {
  margin-top: clamp(2rem, 5vw, 3.5rem);
}

.collaborate-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(2rem, 5vw, 3.7rem);
  border-radius: 1.8rem;
  background: var(--paper);
  color: var(--navy-950);
}

.collaborate-card .eyebrow,
.collaborate-card h2,
.collaborate-card p {
  color: var(--navy-950);
}

.collaborate-card p {
  max-width: 760px;
  opacity: 0.78;
}

.collaborate-card .button {
  background: var(--navy-950);
  color: var(--paper);
  box-shadow: none;
  white-space: nowrap;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin-bottom: 0;
  color: rgba(247, 242, 232, 0.55);
  font-size: 0.86rem;
}

@media (max-width: 980px) {
  .hero,
  .split-layout,
  .collaborate-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-card {
    align-self: auto;
    max-width: 620px;
  }

  .timeline,
  .lens-grid,
  .build-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 700px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.85rem 1.2rem;
  }

  h1 {
    font-size: clamp(3.6rem, 19vw, 5.3rem);
  }

  .timeline,
  .lens-grid,
  .build-grid {
    grid-template-columns: 1fr;
  }

  .timeline article,
  .lens-grid article,
  .build-grid article {
    min-height: auto;
  }

  .timeline span,
  .build-grid span {
    margin-bottom: 1rem;
  }

  .site-footer {
    flex-direction: column;
  }
}