:root {
  color-scheme: dark;
  --bg: #040b1e;
  --panel: #0a173a;
  --panel-2: #101d2d;
  --text: #f7fbff;
  --muted: rgba(247, 251, 255, 0.7);
  --line: rgba(255, 255, 255, 0.14);
  --blue: #00a4ff;
  --lime: #adff00;
  --amber: #ffb547;
  --red: #ff4d5e;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 54px);
  background: rgba(4, 11, 30, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 26px);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-header nav a,
.site-footer nav a {
  text-decoration: none;
}

.site-header nav a:hover,
.site-footer nav a:hover {
  color: var(--text);
}

.hero {
  position: relative;
  isolation: isolate;
  min-height: min(760px, calc(86svh - 70px));
  display: grid;
  align-items: center;
  padding: clamp(70px, 10vw, 132px) clamp(20px, 6vw, 92px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(4, 11, 30, 0.97) 0%, rgba(4, 11, 30, 0.85) 36%, rgba(4, 11, 30, 0.24) 68%, rgba(4, 11, 30, 0.42) 100%),
    radial-gradient(circle at 18% 22%, rgba(0, 164, 255, 0.18), transparent 35%),
    linear-gradient(180deg, rgba(4, 11, 30, 0.18), var(--bg));
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-right: max(4vw, 28px);
}

.hero-media picture,
.hero-media img {
  height: min(74svh, 680px);
  max-height: 760px;
  width: auto;
}

.hero-media img {
  border-radius: 36px;
  box-shadow: var(--shadow);
  filter: saturate(1.08) brightness(1.08);
}

.hero-content {
  width: 100%;
  max-width: 650px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--lime);
  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(4rem, 14vw, 9.5rem);
  line-height: 0.86;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
  margin-bottom: 18px;
}

h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.hero-copy {
  max-width: 560px;
  color: rgba(247, 251, 255, 0.84);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
}

.status-note {
  max-width: 560px;
  margin-bottom: 26px;
  color: rgba(247, 251, 255, 0.72);
  font-size: 1rem;
}

.hero-actions,
.cta-band {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 8px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  background: var(--blue);
  color: #001221;
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.24);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

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

.signal-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.signal-strip div {
  background: #07112a;
  padding: clamp(22px, 4vw, 38px);
}

.signal-strip strong,
.signal-strip span {
  display: block;
}

.signal-strip strong {
  margin-bottom: 8px;
  font-size: 1rem;
}

.signal-strip span {
  color: var(--muted);
}

.section,
.screens-band,
.legal-page {
  padding: clamp(58px, 9vw, 112px) clamp(20px, 6vw, 92px);
}

.section-heading {
  max-width: 860px;
  margin-bottom: clamp(28px, 5vw, 56px);
}

.section-heading p:not(.eyebrow) {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading.compact {
  margin-bottom: 28px;
}

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

.feature-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel) 72%, black);
}

.feature-card:nth-child(2) {
  border-top-color: rgba(173, 255, 0, 0.55);
}

.feature-card:nth-child(3) {
  border-top-color: rgba(255, 181, 71, 0.65);
}

.feature-card:nth-child(4) {
  border-top-color: rgba(255, 77, 94, 0.6);
}

.feature-card p,
.copy-stack p,
.cta-band p {
  color: var(--muted);
}

.screens-band {
  background: #f3f7fb;
  color: #07111f;
}

.screens-band .eyebrow {
  color: #0876b4;
}

.phone-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(145px, 1fr));
  gap: clamp(12px, 2vw, 22px);
  align-items: start;
}

.phone-row figure {
  margin: 0;
}

.phone-row img {
  width: 100%;
  aspect-ratio: 1284 / 2778;
  object-fit: cover;
  border-radius: 28px;
  border: 1px solid rgba(7, 17, 31, 0.12);
  box-shadow: 0 22px 52px rgba(7, 17, 31, 0.18);
  background: #07111f;
}

.phone-row figcaption {
  padding-top: 12px;
  color: rgba(7, 17, 31, 0.72);
  font-weight: 800;
  text-align: center;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr);
  gap: clamp(28px, 8vw, 96px);
  align-items: start;
}

.copy-stack {
  font-size: 1.12rem;
}

.copy-stack p {
  margin-bottom: 20px;
}

.cta-band {
  justify-content: space-between;
  padding: clamp(32px, 5vw, 54px) clamp(20px, 6vw, 92px);
  background: #111a20;
  border-top: 1px solid rgba(173, 255, 0, 0.22);
  border-bottom: 1px solid var(--line);
}

.cta-band h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.7rem);
}

.cta-band p {
  max-width: 560px;
  margin: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 92px);
  color: var(--muted);
}

.legal-page {
  max-width: 980px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: clamp(2.8rem, 8vw, 5.8rem);
}

.legal-page h2 {
  margin-top: 38px;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.legal-page p,
.legal-page li {
  color: var(--muted);
  font-size: 1.04rem;
}

.legal-page ul {
  padding-left: 1.2rem;
}

.support-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}

.support-item {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.support-item h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

@media (max-width: 980px) {
  .feature-grid,
  .phone-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .phone-row figure:last-child {
    display: none;
  }

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

@media (max-width: 720px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .site-header nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 10px 18px;
    font-size: 0.9rem;
  }

  .hero {
    display: block;
    min-height: auto;
    padding-top: 58px;
    padding-bottom: 42px;
  }

  .hero-content,
  .hero-copy,
  .status-note,
  .section-heading p:not(.eyebrow) {
    max-width: 100%;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(4, 11, 30, 0.98) 0%, rgba(4, 11, 30, 0.78) 52%, rgba(4, 11, 30, 0.98) 100%),
      radial-gradient(circle at 20% 16%, rgba(0, 164, 255, 0.2), transparent 42%);
  }

  .hero-media {
    opacity: 0.42;
    justify-content: center;
    padding: 0;
  }

  .hero-media picture,
  .hero-media img {
    height: 72svh;
  }

  h1 {
    font-size: clamp(3rem, 14vw, 3.5rem);
    overflow-wrap: anywhere;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .signal-strip,
  .feature-grid,
  .phone-row {
    grid-template-columns: 1fr;
  }

  .phone-row {
    max-width: 360px;
    margin: 0 auto;
  }

  .phone-row figure:nth-child(n+4) {
    display: none;
  }

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