:root {
  color-scheme: dark;
  --bg: #10161c;
  --surface: #17212a;
  --surface-soft: #1d2a34;
  --surface-deep: #0e171d;
  --line: rgba(255, 255, 255, 0.14);
  --text: #f8fbff;
  --muted: rgba(248, 251, 255, 0.7);
  --pink: #ff4f8f;
  --cyan: #00c2d4;
  --gold: #ffcc66;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(255, 79, 143, 0.18), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(0, 194, 212, 0.16), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.04);
  overflow: hidden;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.95fr);
  gap: 56px;
  align-items: center;
  min-height: calc(100vh - 86px);
  padding: 30px 0 70px;
}

.hero-copy-block {
  max-width: 650px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #ffffff;
  text-decoration: none;
  font-weight: 800;
}

.button.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #ff86a9, var(--pink));
  box-shadow: 0 14px 28px rgba(255, 79, 143, 0.24);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
}

.product-preview {
  display: grid;
  grid-template-columns: minmax(230px, 0.88fr) minmax(210px, 0.75fr);
  gap: 18px;
  align-items: center;
}

.phone-shell {
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 16px;
  background: linear-gradient(180deg, var(--surface-soft), var(--surface));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

.phone-screen {
  display: grid;
  gap: 16px;
  min-height: 520px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(255, 79, 143, 0.12), transparent 42%),
    #111a21;
}

.preview-header,
.tank-card,
.phone-list > div,
.feature-stack article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
}

.status-pill {
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(0, 194, 212, 0.16);
  color: var(--cyan);
  font-size: 0.76rem;
  font-weight: 800;
}

.tank-card {
  padding: 16px;
}

.tank-card > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.tank-card span,
.phone-list span {
  color: var(--muted);
  font-size: 0.82rem;
}

.tank-card strong {
  color: var(--gold);
}

.tank-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.tank-meter {
  height: 16px;
  margin-top: 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.tank-meter span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--pink), var(--cyan));
}

.phone-list {
  display: grid;
  gap: 12px;
  align-content: end;
}

.phone-list > div {
  padding: 14px;
}

.phone-list strong {
  display: block;
  margin-top: 2px;
}

.feature-stack {
  display: grid;
  gap: 14px;
}

.feature-stack article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 16px;
}

.feature-icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 79, 143, 0.16);
  color: var(--pink);
  font-weight: 900;
}

.feature-stack h2 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.feature-stack p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 20px 0 70px;
}

.panel,
.legal main {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: rgba(23, 33, 42, 0.76);
}

.panel h2,
.legal h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  color: #ffffff;
}

.panel p,
.legal p,
.legal li {
  color: var(--muted);
}

.legal {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 60px;
}

.legal header {
  padding: 48px 0 20px;
}

.legal h1 {
  font-size: clamp(2.3rem, 7vw, 4.5rem);
}

.legal h2 {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.legal h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 40px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-preview {
    max-width: 680px;
  }
}

@media (max-width: 700px) {
  .grid,
  .product-preview {
    grid-template-columns: 1fr;
  }

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

  .phone-screen {
    min-height: auto;
  }
}