:root {
  --bg: #07090f;
  --bg-soft: #0d1220;
  --panel: #111827;
  --panel-2: #0f172a;
  --text: #f3f7ff;
  --text-soft: #a7b3ca;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #43d9ff;
  --accent-strong: #00b8f5;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --container: 1160px;
  --header-h: 76px;
  --space-xs: clamp(0.7rem, 0.8vw, 0.9rem);
  --space-sm: clamp(1rem, 1.3vw, 1.4rem);
  --space-md: clamp(1.4rem, 2vw, 2rem);
  --space-lg: clamp(2rem, 3.2vw, 3.6rem);
  --space-xl: clamp(3.4rem, 6vw, 7rem);
  --space-xxl: clamp(5rem, 10vw, 11rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 80% -10%, #173058 0%, transparent 35%),
    radial-gradient(circle at -5% 20%, rgba(67, 217, 255, 0.12) 0%, transparent 35%),
    var(--bg);
  line-height: 1.4;
  min-height: 100vh;
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.2;
  background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black 30%, transparent 85%);
}

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

.container {
  width: min(100% - 2.6rem, var(--container));
  margin-inline: auto;
}

.section {
  padding: var(--space-xxl) 0;
}

.section-muted {
  background: linear-gradient(
    160deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.01) 40%,
    transparent 80%
  );
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.74rem;
  font-weight: 700;
}

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

h1 {
  font-size: clamp(2.4rem, 8.7vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.75rem, 5.3vw, 4rem);
  line-height: 1;
  letter-spacing: -0.03em;
  max-width: 16ch;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
}

p {
  color: var(--text-soft);
  font-size: clamp(0.96rem, 1.2vw, 1.05rem);
  max-width: 62ch;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(0px);
  transition: border-color 220ms ease, background-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(8, 11, 19, 0.72);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 1rem;
}

.logo {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.2rem;
}

.menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  padding: 1rem 1.3rem 1.3rem;
  background: rgba(7, 9, 15, 0.98);
  border-bottom: 1px solid var(--line);
  display: none;
  flex-direction: column;
  gap: 0.7rem;
}

.menu a {
  color: var(--text-soft);
  font-weight: 500;
  padding: 0.65rem 0.5rem;
  border-radius: 10px;
  transition: color 180ms ease, background-color 180ms ease;
}

.menu a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.menu.open {
  display: flex;
}

.menu-toggle {
  background: transparent;
  border: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-content: center;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 21px;
  height: 2px;
  background: var(--text);
  border-radius: 3px;
  transition: transform 200ms ease, opacity 200ms ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.88rem 1.25rem;
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #03131d;
  background: linear-gradient(135deg, var(--accent), #93f6ff);
  box-shadow: 0 12px 30px rgba(67, 217, 255, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 18px 36px rgba(67, 217, 255, 0.34);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.02);
}

.hero {
  padding-top: calc(var(--space-xxl) + 1rem);
}

.hero-grid {
  display: grid;
  gap: var(--space-lg);
  align-items: end;
}

.hero-sub {
  margin-top: var(--space-sm);
  max-width: 46ch;
  font-size: clamp(1.02rem, 1.45vw, 1.2rem);
}

.hero-actions {
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: 0.72rem;
}

.hero-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.8rem;
}

.metric-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.metric-card span {
  display: block;
  color: #86def6;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.66rem;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 0.38rem;
  font-size: 1rem;
}

.section-head {
  display: grid;
  gap: 0.9rem;
  margin-bottom: var(--space-lg);
}

.section-head.narrow {
  margin-bottom: var(--space-md);
}

.cards-grid,
.feature-grid,
.process-grid,
.impact-grid,
.tag-list {
  display: grid;
  gap: 0.9rem;
}

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

.card {
  padding: 1.25rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 180ms ease, transform 180ms ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(67, 217, 255, 0.45);
}

.card p {
  margin-top: 0.6rem;
}

.tag-list span,
.feature,
.impact {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.74rem 1rem;
  background: rgba(255, 255, 255, 0.015);
  color: #dbe8ff;
  font-weight: 500;
  width: fit-content;
}

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

.feature {
  border-radius: var(--radius-sm);
  width: 100%;
}

.process-grid {
  counter-reset: step;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.step {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  background: var(--panel-2);
}

.step span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 50%;
  border: 1px solid rgba(67, 217, 255, 0.4);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.78rem;
}

.step h3 {
  margin-top: 0.85rem;
}

.step p {
  margin-top: 0.46rem;
}

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

.impact {
  border-radius: var(--radius-sm);
  width: 100%;
  font-size: 1rem;
}

.cta-final {
  padding-top: var(--space-xl);
}

.cta-box {
  border: 1px solid rgba(67, 217, 255, 0.4);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  background: radial-gradient(
      circle at 10% 0%,
      rgba(67, 217, 255, 0.16),
      rgba(67, 217, 255, 0) 45%
    ),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  box-shadow: var(--shadow);
}

.cta-box p {
  margin-top: 0.8rem;
  margin-bottom: 1.3rem;
}

.site-footer {
  padding: 2.8rem 0 1.4rem;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  gap: 1rem;
}

.footer-grid strong {
  font-size: 1.04rem;
}

.footer-grid p {
  margin-top: 0.35rem;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 0.95rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-soft);
  font-size: 0.92rem;
}

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

.copyright {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.78rem;
  color: #7f8ca8;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 550ms ease, transform 550ms ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 720px) {
  .menu-toggle {
    display: none;
  }

  .menu {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.1rem;
    background: transparent;
    border: 0;
    padding: 0;
  }

  .menu a {
    padding-inline: 0.78rem;
  }

  .nav-cta {
    margin-left: 0.5rem;
  }

  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 1040px) {
  .cards-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}