:root {
  --ink: #0c1624;
  --ink-2: #132234;
  --navy: #172a40;
  --stone: #f4efe6;
  --stone-2: #e8dece;
  --slate: #778392;
  --line: rgba(244, 239, 230, 0.18);
  --line-dark: rgba(12, 22, 36, 0.14);
  --gold: #c8a75a;
  --gold-soft: #ead9aa;
  --teal: #58c7ca;
  --white: #fffaf1;
  --max: 1180px;
  color-scheme: dark;
  font-family: Aptos, "Aptos Display", "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 88% 8%, rgba(88, 199, 202, 0.14), transparent 30rem),
    linear-gradient(135deg, #08111d 0%, var(--ink) 48%, #15263a 100%);
  color: var(--white);
  font-size: 16px;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(200, 167, 90, 0.72);
  color: var(--gold-soft);
  font-weight: 700;
  letter-spacing: 0;
}

.brand-name,
.brand-line {
  display: block;
  letter-spacing: 0;
}

.brand-name {
  font-size: 0.82rem;
  color: var(--stone-2);
}

.brand-line {
  font-size: 1.02rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  color: var(--stone-2);
  font-size: 0.94rem;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--teal);
}

.hero,
.section,
.cta-section,
.site-footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: clamp(5.75rem, 9vw, 9.5rem);
  align-items: center;
  padding: clamp(54px, 8vw, 96px) 0 80px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.06;
}

h1 {
  max-width: 920px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7vw, 5.9rem);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.55rem);
}

h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
}

.hero-copy {
  max-width: 760px;
  color: var(--stone-2);
  font-size: clamp(1.08rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: var(--gold);
  color: #101724;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--gold-soft);
}

.button.secondary {
  border-color: rgba(244, 239, 230, 0.36);
  color: var(--white);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-panel {
  margin-top: clamp(52px, 6vw, 84px);
  padding: clamp(22px, 4vw, 34px);
  background:
    linear-gradient(180deg, rgba(244, 239, 230, 0.11), rgba(244, 239, 230, 0.05)),
    rgba(12, 22, 36, 0.68);
  border: 1px solid var(--line);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.25);
}

.signal-row,
.workflow-strip {
  display: grid;
  gap: 10px;
}

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

.signal-row span,
.workflow-strip span {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  text-align: center;
  font-weight: 700;
}

.signal-row span {
  color: var(--gold-soft);
}

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

.workflow-strip span {
  color: var(--stone-2);
  font-size: 0.92rem;
}

.hero-panel p {
  margin-bottom: 0;
  color: var(--stone-2);
}

.section {
  padding: clamp(64px, 9vw, 112px) 0;
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
}

.text-stack {
  color: var(--stone-2);
  font-size: 1.08rem;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading p {
  color: var(--stone-2);
  font-size: 1.05rem;
}

.comparison,
.model-grid,
.use-case-grid,
.package-grid {
  display: grid;
  gap: 18px;
}

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

.comparison-col,
.model-grid article,
.use-case-grid article,
.package-grid article,
.example-outcomes {
  border: 1px solid var(--line);
  padding: 26px;
}

.comparison-col.muted {
  background: rgba(244, 239, 230, 0.05);
}

.comparison-col.strong {
  background: var(--stone);
  color: var(--ink);
}

ul {
  margin: 0;
  padding-left: 1.1rem;
}

li + li {
  margin-top: 0.6rem;
}

.model-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.model-grid article,
.use-case-grid article,
.package-grid article {
  background: rgba(244, 239, 230, 0.055);
}

.step-number {
  display: block;
  margin-bottom: 26px;
  color: var(--teal);
  font-weight: 800;
}

.model-grid p,
.use-case-grid p,
.package-grid p {
  margin-bottom: 0;
  color: var(--stone-2);
}

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

.example {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  background:
    linear-gradient(90deg, rgba(200, 167, 90, 0.12), transparent 70%),
    rgba(244, 239, 230, 0.03);
  padding-left: clamp(20px, 4vw, 42px);
  padding-right: clamp(20px, 4vw, 42px);
}

.example-copy p {
  color: var(--stone-2);
  font-size: 1.08rem;
}

.example-outcomes {
  background: var(--stone);
  color: var(--ink);
}

.packages {
  background:
    linear-gradient(180deg, rgba(88, 199, 202, 0.08), transparent 58%),
    transparent;
}

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

.boundaries {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 5rem);
}

.boundary-list {
  display: grid;
  gap: 12px;
}

.boundary-list p {
  margin: 0;
  padding: 18px 20px;
  border-left: 3px solid var(--gold);
  background: rgba(244, 239, 230, 0.065);
  color: var(--stone-2);
}

.cta-section {
  margin-top: clamp(24px, 4vw, 48px);
  margin-bottom: clamp(48px, 7vw, 92px);
  padding: clamp(40px, 7vw, 76px);
  background: var(--stone);
  color: var(--ink);
}

.cta-section .eyebrow {
  color: #81662c;
}

.cta-section p {
  max-width: 760px;
  color: #334256;
  font-size: 1.08rem;
}

.contact-note {
  margin: 16px 0 0;
  font-size: 0.9rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--stone-2);
  font-size: 0.94rem;
}

.site-footer p {
  margin: 0;
}

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

  .hero {
    min-height: auto;
    gap: 2rem;
    padding-top: 48px;
  }

  .hero-panel {
    margin-top: 0;
  }

  .model-grid,
  .use-case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 0.75rem;
  }

  .hero,
  .section,
  .cta-section,
  .site-footer {
    width: min(100% - 28px, var(--max));
  }

  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2rem;
  }

  .signal-row,
  .workflow-strip,
  .comparison,
  .model-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .comparison-col,
  .model-grid article,
  .use-case-grid article,
  .package-grid article,
  .example-outcomes {
    padding: 22px;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}