:root {
  --ink: #111827;
  --midnight: #182033;
  --paper: #f8faf7;
  --muted: #617084;
  --line: #d9e0e7;
  --teal: #1f8a83;
  --teal-dark: #12615d;
  --amber: #d69b2d;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 64px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.78), rgba(17, 24, 39, 0));
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  letter-spacing: 0;
  backdrop-filter: blur(16px);
}

.nav-links {
  gap: 22px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.94rem;
  font-weight: 600;
}

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

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

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  padding: 132px clamp(20px, 5vw, 64px) 84px;
  color: var(--white);
}

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

.hero-image {
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(12, 18, 30, 0.9) 0%, rgba(12, 18, 30, 0.7) 42%, rgba(12, 18, 30, 0.24) 100%),
    linear-gradient(0deg, rgba(12, 18, 30, 0.7) 0%, rgba(12, 18, 30, 0) 40%);
}

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

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.4rem, 9vw, 7.2rem);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.12rem, 2vw, 1.38rem);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 13px 18px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 12px 30px rgba(31, 138, 131, 0.28);
}

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

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.42);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.section {
  padding: 86px clamp(20px, 5vw, 64px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 700px);
}

h2 {
  max-width: 820px;
  margin-bottom: 36px;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.02;
  letter-spacing: 0;
}

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

.company-grid article {
  min-height: 210px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.03);
}

h3 {
  margin-bottom: 14px;
  font-size: 1.1rem;
}

.company-grid p,
.founder-copy p {
  color: var(--muted);
}

.verification-section {
  background: var(--midnight);
  color: var(--white);
}

.verification-section h2 {
  color: var(--white);
}

.details-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 980px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow);
}

.details-list div {
  min-height: 136px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.07);
}

dt {
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

dd {
  margin: 0;
  font-size: 1.22rem;
  font-weight: 700;
}

dd a {
  color: var(--white);
  text-decoration-color: var(--amber);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.founder-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px;
}

.founder-copy {
  max-width: 780px;
}

.founder-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 6px;
  color: var(--teal-dark);
  font-size: 1.05rem;
  font-weight: 800;
  text-decoration: none;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 64px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding-top: 120px;
    padding-bottom: 58px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(12, 18, 30, 0.88), rgba(12, 18, 30, 0.52)),
      linear-gradient(0deg, rgba(12, 18, 30, 0.74), rgba(12, 18, 30, 0.08));
  }

  .company-grid,
  .details-list,
  .founder-section {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 0.95rem;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 4.5rem);
  }

  .button {
    width: 100%;
  }

  .company-grid article,
  .details-list div {
    padding: 22px;
  }

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