:root {
  --bg: #05080d;
  --panel: rgba(12, 18, 27, 0.78);
  --panel-strong: rgba(15, 22, 33, 0.94);
  --text: #f5f7fb;
  --muted: #a7b0bf;
  --blue: #148dff;
  --blue-2: #61c7ff;
  --line: rgba(120, 169, 220, 0.22);
  --steel: #c9d0d8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 75% 12%, rgba(20, 141, 255, 0.18), transparent 30%),
    radial-gradient(circle at 12% 20%, rgba(97, 199, 255, 0.12), transparent 26%),
    linear-gradient(135deg, #030509 0%, #07101a 45%, #020407 100%);
}

.site-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(97, 199, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(97, 199, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 8, 13, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(97, 199, 255, 0.45);
  border-radius: 12px;
  background: linear-gradient(145deg, #182231, #070a0f);
  color: var(--blue-2);
  box-shadow: inset 0 0 20px rgba(20, 141, 255, 0.18), 0 0 30px rgba(20, 141, 255, 0.15);
  font-size: 0.78rem;
}

.brand-text strong {
  color: var(--blue-2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-weight: 650;
  font-size: 0.94rem;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 10px 14px;
  border: 1px solid rgba(97, 199, 255, 0.38);
  border-radius: 999px;
  color: var(--text) !important;
}

.hero {
  min-height: calc(100vh - 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.72fr);
  align-items: center;
  gap: clamp(28px, 5vw, 80px);
  padding: clamp(58px, 9vw, 120px) clamp(20px, 5vw, 72px);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue-2);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.76rem;
  font-weight: 800;
}

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

h1 {
  max-width: 980px;
  font-size: clamp(3.2rem, 8vw, 7.6rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
  text-shadow: 0 0 40px rgba(20, 141, 255, 0.08);
}

.hero-subtitle {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.button.primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #00111f;
  box-shadow: 0 16px 44px rgba(20, 141, 255, 0.22);
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.035);
  color: var(--text);
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.trust-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,0.025);
  font-size: 0.85rem;
  font-weight: 700;
}

.hero-card {
  position: relative;
  padding: clamp(28px, 4vw, 44px);
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), transparent 42%),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle, rgba(20, 141, 255, 0.24), transparent 28%),
    linear-gradient(120deg, transparent 20%, rgba(97,199,255,0.09), transparent 40%);
  opacity: 0.65;
}

.steel-logo {
  position: absolute;
  top: 52px;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  width: min(260px, 72%);
  aspect-ratio: 1.25;
  clip-path: polygon(50% 0%, 92% 18%, 78% 88%, 50% 100%, 22% 88%, 8% 18%);
  background:
    linear-gradient(90deg, transparent 48%, var(--blue-2) 49%, var(--blue) 51%, transparent 52%),
    linear-gradient(145deg, #dde4ec, #49505a 45%, #15191f 70%, #9ba4ae);
  box-shadow: inset 0 0 34px rgba(0,0,0,0.6), 0 0 48px rgba(20,141,255,0.28);
}

.steel-logo span {
  font-size: 5.5rem;
  font-weight: 950;
  color: #07101a;
  text-shadow: 1px 1px 0 rgba(255,255,255,0.25);
  z-index: 1;
}

.hero-card > * {
  position: relative;
}

.card-label {
  color: var(--blue-2);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 900;
}

.hero-card h2 {
  font-size: clamp(2.3rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin-bottom: 18px;
}

.hero-card h2 span {
  color: var(--blue-2);
  letter-spacing: 0.22em;
  font-size: 0.58em;
}

.hero-card p:last-child {
  color: var(--muted);
}

.section,
.split-section,
.cta-section {
  padding: clamp(58px, 8vw, 110px) clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading h2,
.split-section h2,
.cta-section h2 {
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.section-heading p,
.mission-copy p,
.cta-section p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.tool-card {
  min-height: 230px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(0,0,0,0.22);
}

.tool-card .icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 24px;
  border: 1px solid rgba(97,199,255,0.35);
  border-radius: 14px;
  color: var(--blue-2);
  font-weight: 900;
}

.tool-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.tool-card p {
  color: var(--muted);
  line-height: 1.62;
  margin-bottom: 0;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(300px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
  background: rgba(255,255,255,0.018);
}

.checklist {
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.checklist li {
  position: relative;
  padding-left: 34px;
  color: var(--text);
  font-weight: 700;
}

.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--blue-2);
}

.brand-board-section {
  background: linear-gradient(180deg, rgba(97,199,255,0.04), transparent);
}

.brand-board {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  display: block;
}

.cta-section {
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(20,141,255,0.15), transparent 42%),
    rgba(255,255,255,0.018);
}

.cta-section p {
  max-width: 680px;
  margin: 0 auto 28px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.footer p {
  margin: 0;
}

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

  .hero-card {
    min-height: 440px;
  }

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

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

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  h1 {
    font-size: clamp(2.7rem, 15vw, 4.4rem);
  }

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

  .footer {
    flex-direction: column;
  }
}