/*
  Minimal, single-page pre-launch landing page styling.
  Industrial tone: dark neutrals + crisp cyan accent, strong type hierarchy.
*/

:root {
  --bg: #0b1220;
  --bg-2: #0f1a2f;
  --card: rgba(255, 255, 255, 0.06);
  --card-2: rgba(255, 255, 255, 0.085);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --subtle: rgba(255, 255, 255, 0.58);
  --border: rgba(255, 255, 255, 0.14);
  --accent: #49d0ff;
  --accent-2: #90f5c8;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.45);

  --radius: 16px;
  --radius-sm: 12px;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 20% -10%, rgba(73, 208, 255, 0.18), transparent 55%),
    radial-gradient(900px 500px at 85% 0%, rgba(144, 245, 200, 0.12), transparent 55%),
    linear-gradient(180deg, var(--bg), #070b14 70%);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans",
    "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.75);
  border: 1px solid var(--border);
  color: var(--text);
  transform: translateY(-140%);
  transition: transform 180ms ease;
  z-index: 999;
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid rgba(73, 208, 255, 0.55);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
}

.brand-name {
  font-weight: 640;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.site-nav a {
  color: var(--muted);
  font-size: 14px;
  padding: 10px 10px;
  border-radius: 10px;
}

.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-weight: 620;
  font-size: 14px;
  letter-spacing: 0.2px;
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.button:active {
  transform: translateY(1px);
}

.button-primary {
  border-color: rgba(73, 208, 255, 0.44);
  background: linear-gradient(135deg, rgba(73, 208, 255, 0.24), rgba(144, 245, 200, 0.16));
}

.button-primary:hover {
  border-color: rgba(73, 208, 255, 0.62);
  background: linear-gradient(135deg, rgba(73, 208, 255, 0.32), rgba(144, 245, 200, 0.2));
}

.button-secondary {
  background: rgba(255, 255, 255, 0.05);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.button-tertiary {
  background: transparent;
  box-shadow: none;
}

.button-tertiary:hover {
  background: rgba(255, 255, 255, 0.06);
}

.header-cta {
  margin-left: 6px;
  white-space: nowrap;
}

.hero {
  padding: clamp(40px, 7vw, 86px) 0 26px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: rgba(73, 208, 255, 0.95);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(34px, 4.2vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h3 {
  margin: 10px 0 6px;
  font-size: 16px;
  letter-spacing: -0.01em;
}

.lead {
  margin: 0 0 18px;
  font-size: 18px;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 12px;
}

.subtle {
  margin: 10px 0 0;
  color: var(--subtle);
  font-size: 14px;
  max-width: 68ch;
}

.hero-media .media-frame {
  border-radius: clamp(16px, 2.6vw, 22px);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.04);
  transform: translateZ(0);
}

.hero-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.05);
}

.media-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(600px 340px at 30% 20%, rgba(73, 208, 255, 0.16), transparent 55%),
    linear-gradient(180deg, rgba(7, 10, 18, 0.05), rgba(7, 10, 18, 0.55));
  pointer-events: none;
}

.section {
  padding: clamp(34px, 5.5vw, 70px) 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 75%);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(16px, 4vw, 44px);
  align-items: start;
}

.support-media img {
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
  height: 340px;
  width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.03);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.subhead {
  margin: 0;
  color: var(--subtle);
  max-width: 52ch;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.card {
  padding: 16px 16px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, 0.03));
}

.card:hover {
  border-color: rgba(73, 208, 255, 0.25);
  background: linear-gradient(180deg, var(--card-2), rgba(255, 255, 255, 0.04));
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(73, 208, 255, 0.1);
  border: 1px solid rgba(73, 208, 255, 0.22);
  color: rgba(73, 208, 255, 0.95);
}

.card-icon svg {
  width: 22px;
  height: 22px;
}

.cta-block {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  padding: 22px;
  border-radius: calc(var(--radius) + 6px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: radial-gradient(900px 500px at 20% 0%, rgba(73, 208, 255, 0.14), transparent 55%),
    radial-gradient(800px 450px at 92% 20%, rgba(144, 245, 200, 0.1), transparent 55%),
    rgba(255, 255, 255, 0.03);
}

.cta-copy p {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 70ch;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.site-footer {
  padding: 28px 0 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.footer-brand {
  margin: 0;
  font-weight: 640;
  color: rgba(255, 255, 255, 0.88);
}

.footer-meta {
  margin: 0;
  color: var(--subtle);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.dot {
  opacity: 0.7;
}

:focus-visible {
  outline: 2px solid rgba(73, 208, 255, 0.6);
  outline-offset: 3px;
  border-radius: 10px;
}

@media (max-width: 980px) {
  .brand {
    order: 1;
  }

  .header-cta {
    order: 2;
    margin-left: auto;
  }

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

  .hero-media img {
    height: 360px;
  }

  .two-col {
    grid-template-columns: 1fr;
  }

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

  .cta-block {
    grid-template-columns: 1fr;
  }

  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

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

  .header-inner {
    gap: 12px;
  }

  .header-cta {
    padding: 11px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}