:root {
  --ink: #101820;
  --muted: #5d6972;
  --paper: #f5f7f4;
  --panel: #ffffff;
  --line: #dce4e1;
  --teal: #0b7775;
  --cyan: #25a2b0;
  --amber: #c58d31;
  --dark: #071116;
  --shadow: 0 24px 80px rgba(16, 24, 32, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 4vw, 58px);
  color: #fff;
  background: rgba(7, 17, 22, 0.76);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 230px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: #fff;
  color: var(--dark);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.12;
}

.brand small {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
}

nav a {
  padding: 8px 11px;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

nav a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--dark);
  padding: 118px clamp(20px, 6vw, 84px) 76px;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.82;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(5, 12, 16, 0.96), rgba(5, 12, 16, 0.76) 43%, rgba(5, 12, 16, 0.36) 78%),
    linear-gradient(0deg, rgba(7, 17, 22, 0.96), rgba(7, 17, 22, 0) 34%);
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(42px, 6.6vw, 76px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 700px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-action,
.secondary-action,
.price-card a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 7px;
  font-weight: 800;
}

.primary-action {
  background: #fff;
  color: var(--dark);
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #fff;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 42px 0 0;
}

.hero-metrics div {
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics dt {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.hero-metrics dd {
  margin: 3px 0 0;
  font-weight: 800;
}

.section {
  padding: 84px clamp(20px, 6vw, 84px);
}

.section-heading {
  max-width: 840px;
  margin-bottom: 32px;
}

h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.25;
}

.trust-grid,
.model-grid,
.pricing-grid,
.use-grid,
.gift-list,
.resource-band {
  display: grid;
  gap: 18px;
}

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

.trust article,
.model-card,
.price-card,
.use-grid article,
.contact-card,
.code-panel,
.gift-list article,
.resource-band article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(16, 24, 32, 0.05);
}

.trust article,
.model-card,
.price-card,
.use-grid article,
.contact-card,
.gift-list article,
.resource-band article {
  padding: 24px;
}

.models,
.use-cases,
.welcome-gift {
  background: #eaf1ef;
}

.gift-inner {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 28px;
  align-items: center;
}

.gift-copy {
  max-width: 660px;
}

.gift-copy p:last-child {
  color: var(--muted);
  font-size: 18px;
}

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

.gift-list article {
  min-height: 230px;
  position: relative;
  overflow: hidden;
}

.gift-list article::after {
  content: "";
  position: absolute;
  inset: auto 18px 18px auto;
  width: 54px;
  height: 54px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(37, 162, 176, 0.24), rgba(37, 162, 176, 0));
}

.gift-list span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-weight: 800;
}

.gift-list strong {
  display: block;
  margin-bottom: 9px;
  font-size: 20px;
}

.gift-list p,
.resource-band p {
  color: var(--muted);
}

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

.model-card {
  min-height: 220px;
  border-top: 5px solid var(--cyan);
}

.model-card.primary {
  border-top-color: var(--teal);
}

.model-card.pending {
  border-top-color: var(--amber);
}

.model-card span,
.plan-label {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.pricing {
  background: var(--dark);
  color: #fff;
}

.pricing .section-heading .eyebrow,
.pricing .plan-label {
  color: #f0b757;
}

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

.price-card {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.82);
}

.price-card h3,
.price-card .price {
  color: #fff;
}

.price-card.featured {
  background: #fff;
  color: var(--ink);
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.price-card.featured h3,
.price-card.featured .price {
  color: var(--ink);
}

.price {
  margin: 0 0 14px;
  font-size: 40px;
  line-height: 1;
  font-weight: 800;
}

.price-card a {
  margin-top: 10px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.price-card.featured a {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.code-panel {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 22px;
  padding: 26px;
  align-items: stretch;
}

pre {
  margin: 0;
  padding: 20px;
  overflow: auto;
  border-radius: 8px;
  background: #071116;
  color: #eafdfd;
  font-size: 14px;
  line-height: 1.55;
}

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

.use-grid strong,
.use-grid span {
  display: block;
}

.use-grid strong {
  margin-bottom: 9px;
  color: var(--teal);
}

.use-grid span {
  color: var(--muted);
}

.resources {
  background: #f7f8f5;
}

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

.resource-band article {
  border-left: 5px solid var(--teal);
}

.contact {
  background: #fff;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: center;
}

.contact-inner > div:first-child {
  max-width: 780px;
}

.contact-card a {
  color: var(--teal);
  font-weight: 800;
}

.note {
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 84px);
  color: rgba(255, 255, 255, 0.74);
  background: var(--dark);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 1080px) {
  .trust-grid,
  .model-grid,
  .pricing-grid,
  .use-grid,
  .gift-list,
  .resource-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .code-panel,
  .contact-inner,
  .gift-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 18px;
  }

  .brand {
    min-width: 0;
  }

  nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero {
    min-height: 790px;
    align-items: flex-end;
    padding: 190px 18px 54px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(5, 12, 16, 0.68), rgba(5, 12, 16, 0.92) 52%, rgba(5, 12, 16, 0.98)),
      linear-gradient(0deg, rgba(7, 17, 22, 0.96), rgba(7, 17, 22, 0) 30%);
  }

  .hero-metrics,
  .trust-grid,
  .model-grid,
  .pricing-grid,
  .use-grid,
  .gift-list,
  .resource-band {
    grid-template-columns: 1fr;
  }

  .price-card.featured {
    transform: none;
  }

  .section {
    padding: 62px 18px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}
