:root {
  color-scheme: dark;
  --page-bg: #121419;
  --shell-bg: #111318;
  --page-gutter: clamp(120px, 10vw, 240px);
  --surface: #1a1d22;
  --surface-soft: #1f2228;
  --surface-strong: #262a31;
  --text: #e2e2e8;
  --text-soft: #859398;
  --text-dim: #6e7882;
  --primary: #00d4ff;
  --primary-soft: #a8e8ff;
  --border: rgba(60, 73, 78, 0.4);
  --shell-border: rgba(108, 92, 231, 0.9);
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;
  background: linear-gradient(180deg, #111318, #0f1217);
  color: var(--text);
  font-family: "Inter", "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.landing-shell {
  width: 100%;
  min-height: 100vh;
  margin: 0;
  border: 0;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  box-shadow: none;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 30px var(--page-gutter) 20px;
  background: rgba(17, 19, 24, 0.42);
  backdrop-filter: blur(10px);
}

.site-title,
.launch-button,
.primary-button,
.secondary-button,
.footer-links a {
  text-decoration: none;
}

.site-title,
.launch-button,
.primary-button,
.secondary-button,
.section-heading h2,
.workflow-card h3,
.rules-grid strong,
.footer-titleblock strong {
  font-family: "Manrope", "Inter", sans-serif;
}

.site-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.launch-button,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-soft), var(--primary));
  color: #04222b;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-section {
  position: relative;
  min-height: 720px;
  padding: 124px var(--page-gutter) 152px;
  overflow: hidden;
}

.hero-art {
  position: absolute;
  inset: 0;
  opacity: 0.52;
}

.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
}

.hero-art::before {
  background: linear-gradient(90deg, rgba(17, 19, 24, 0.72), rgba(17, 19, 24, 0.16) 45%, rgba(17, 19, 24, 0.56));
}

.hero-art::after {
  background: linear-gradient(180deg, rgba(17, 19, 24, 0.02), rgba(17, 19, 24, 0.46));
}

.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--primary-soft);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(3.8rem, 8vw, 6.7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.08em;
}

.hero-copy h1 span {
  display: block;
  color: var(--primary);
}

.hero-text {
  max-width: 520px;
  margin: 24px 0 0;
  color: var(--text-soft);
  font-size: 1.06rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

.secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 12px;
  background: #34373d;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  padding: 30px var(--page-gutter) 34px;
  background: rgba(32, 35, 40, 0.72);
  border-top: 1px solid rgba(60, 73, 78, 0.18);
  border-bottom: 1px solid rgba(60, 73, 78, 0.18);
  backdrop-filter: blur(10px);
}

.trust-bar article {
  display: grid;
  gap: 4px;
}

.trust-bar strong {
  color: var(--primary);
  font-size: 1.18rem;
  font-weight: 800;
}

.trust-bar span {
  color: var(--text-dim);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section {
  padding: 100px var(--page-gutter);
}

.section-dark {
  background: #111318;
}

.section-heading {
  margin-bottom: 54px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.3rem, 4vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.section-line {
  width: 38px;
  height: 4px;
  margin-top: 16px;
  background: var(--primary);
}

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

.workflow-card {
  max-width: 340px;
}

.workflow-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  margin-bottom: 24px;
  background: #1d2026;
  border-left: 4px solid var(--primary-soft);
}

.workflow-icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--primary-soft);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.workflow-card h3 {
  margin: 0 0 12px;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.workflow-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.55;
}

.rules-section {
  background: #111318;
  border-top: 1px solid rgba(60, 73, 78, 0.18);
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.rules-grid article {
  padding: 22px;
  background: #1b1f24;
  border: 1px solid rgba(60, 73, 78, 0.18);
}

.rules-grid strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.rules-grid p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 38px var(--page-gutter) 52px;
  background: #171a1f;
  border-top: 1px solid rgba(60, 73, 78, 0.18);
}

.footer-titleblock strong {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.footer-titleblock p {
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  gap: 26px;
}

.footer-links a {
  color: var(--text-soft);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.launch-button:hover,
.launch-button:focus-visible,
.primary-button:hover,
.primary-button:focus-visible,
.secondary-button:hover,
.secondary-button:focus-visible {
  filter: brightness(1.08);
  outline: none;
}

@media (max-width: 1100px) {
  .trust-bar,
  .workflow-grid,
  .rules-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  :root {
    --page-gutter: 32px;
  }

  .landing-shell {
    width: 100%;
    min-height: 100vh;
    margin: 0;
  }

  .top-nav,
  .hero-section,
  .trust-bar,
  .section,
  .page-footer {
    padding-left: var(--page-gutter);
    padding-right: var(--page-gutter);
  }

  .top-nav {
    flex-wrap: wrap;
  }

  .hero-section {
    min-height: 620px;
    padding-top: 90px;
    padding-bottom: 80px;
  }

  .hero-copy h1 {
    font-size: clamp(2.9rem, 14vw, 4.8rem);
  }

  .trust-bar,
  .workflow-grid,
  .rules-grid {
    grid-template-columns: 1fr;
  }

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