:root {
  color-scheme: dark;
  --ink: #090914;
  --night: #101624;
  --rail: #18b6a4;
  --signal: #f4c542;
  --paper: #fff7e8;
  --paper-soft: rgba(255, 247, 232, 0.78);
  --muted: #9fb2c6;
  --line: rgba(255, 247, 232, 0.2);
  --pink: #ff5aa8;
  --blue: #66c7ff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 64px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(7, 8, 17, 0.74);
  backdrop-filter: blur(20px) saturate(1.2);
}

.brand {
  color: var(--paper);
  font-size: 0.92rem;
  font-weight: 950;
  text-decoration: none;
  text-transform: uppercase;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
}

nav a {
  color: var(--paper-soft);
  font-size: 0.78rem;
  font-weight: 850;
  text-decoration: none;
  text-transform: uppercase;
}

nav a:hover,
nav a:focus-visible,
nav a[aria-current="page"] {
  color: var(--signal);
}

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 88svh;
  overflow: hidden;
  padding: 108px clamp(22px, 5vw, 76px) 80px;
}

.hero-art,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-art {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(7, 8, 17, 0.92) 0%, rgba(7, 8, 17, 0.72) 34%, rgba(7, 8, 17, 0.16) 76%),
    linear-gradient(180deg, rgba(7, 8, 17, 0.38) 0%, rgba(7, 8, 17, 0.04) 50%, rgba(7, 8, 17, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--signal);
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

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

h1 {
  max-width: 650px;
  margin-bottom: 18px;
  color: var(--paper);
  font-size: clamp(4.1rem, 10vw, 8.4rem);
  line-height: 0.86;
}

h2 {
  margin-bottom: 18px;
  color: var(--paper);
  font-size: clamp(2rem, 4.8vw, 4.7rem);
  line-height: 0.98;
}

h3 {
  margin-bottom: 8px;
  color: var(--paper);
  font-size: 1.2rem;
  line-height: 1.12;
}

p {
  color: var(--paper-soft);
  font-size: 1rem;
  line-height: 1.65;
}

.hero-copy {
  max-width: 600px;
  color: rgba(255, 247, 232, 0.9);
  font-size: clamp(1.08rem, 2vw, 1.42rem);
  line-height: 1.52;
}

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

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 18px;
  font-size: 0.86rem;
  font-weight: 950;
  text-decoration: none;
  text-transform: uppercase;
}

.primary-link {
  background: var(--signal);
  color: #171005;
}

.secondary-link {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.1);
  color: var(--paper);
}

.primary-link:hover,
.primary-link:focus-visible,
.secondary-link:hover,
.secondary-link:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.rights-line {
  max-width: 560px;
  margin: 18px 0 0;
  color: rgba(255, 247, 232, 0.66);
  font-size: 0.82rem;
}

.section {
  padding: clamp(70px, 9vw, 128px) clamp(20px, 5vw, 76px);
}

.section-dark {
  background: #101624;
}

.section-light {
  background: #f2f7f8;
  color: #0b1422;
}

.section-light h2,
.section-light h3 {
  color: #0b1422;
}

.section-light p {
  color: #385164;
}

.section-light .eyebrow {
  color: #c2487b;
}

.section-ink {
  background: #090914;
}

.section-inner {
  max-width: 1180px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: start;
}

.section-copy {
  max-width: 620px;
}

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

.feature-list article,
.support-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.055);
}

.feature-list span {
  display: block;
  margin-bottom: 18px;
  color: var(--rail);
  font-weight: 950;
}

.feature-list p,
.support-grid p,
.policy-content p {
  margin-bottom: 0;
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
}

.phone-frame {
  width: min(360px, 78vw);
  border: 1px solid rgba(9, 9, 20, 0.16);
  border-radius: 8px;
  padding: 10px;
  background: #0d101a;
  box-shadow: 0 24px 60px rgba(9, 9, 20, 0.24);
}

.phone-frame img {
  width: 100%;
  border-radius: 6px;
}

.text-link {
  color: #0b6b76;
  font-weight: 950;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  text-transform: uppercase;
}

.release-strip {
  justify-content: space-between;
}

.release-strip h2 {
  max-width: 760px;
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(18px, 4vw, 56px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background: #05050c;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer a {
  color: var(--paper);
}

.subpage {
  background: #101624;
}

.plain-page {
  min-height: calc(100svh - 82px);
  padding: 112px clamp(20px, 5vw, 76px) 80px;
}

.plain-hero,
.support-grid,
.policy-content {
  max-width: 960px;
  margin: 0 auto;
}

.plain-hero {
  padding-bottom: 34px;
}

.plain-hero h1 {
  font-size: clamp(3rem, 7vw, 6.4rem);
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.policy-content {
  display: grid;
  gap: 26px;
}

.policy-content h2 {
  margin-bottom: -14px;
  font-size: 1.45rem;
}

.support-grid a,
.policy-content a {
  color: var(--signal);
}

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    min-height: auto;
  }

  nav {
    gap: 10px;
  }

  nav a {
    font-size: 0.66rem;
  }

  .hero {
    min-height: 88svh;
    padding: 100px 20px 60px;
  }

  .hero-art {
    object-position: 60% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(7, 8, 17, 0.92) 0%, rgba(7, 8, 17, 0.68) 58%, rgba(7, 8, 17, 0.2) 100%),
      linear-gradient(180deg, rgba(7, 8, 17, 0.3) 0%, rgba(7, 8, 17, 0.16) 48%, rgba(7, 8, 17, 0.76) 100%);
  }

  h1 {
    font-size: clamp(3.5rem, 15vw, 5.4rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

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

  .phone-frame {
    margin: 0 auto;
  }

  .release-strip {
    align-items: flex-start;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .site-header {
    gap: 10px;
    padding: 12px 14px;
  }

  .brand {
    max-width: 122px;
    font-size: 0.76rem;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    width: min(100%, 280px);
  }

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .plain-page {
    padding-right: 18px;
    padding-left: 18px;
  }
}