:root {
  --bg: #070b12;
  --surface: #111823;
  --surface-2: #172232;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f5f8ff;
  --muted: #a5b0c2;
  --soft: #d7e4ff;
  --accent: #61a5ff;
  --accent-2: #71e0c2;
  --danger: #ff8d8d;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 12%, rgba(97, 165, 255, 0.22), transparent 30rem),
    radial-gradient(circle at 90% 8%, rgba(113, 224, 194, 0.14), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

nav {
  position: sticky;
  top: 0;
  z-index: 20;
  height: 64px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7, 11, 18, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 760;
}

.mark {
  width: 34px;
  height: 34px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, #1f70ff, #24c7a4);
  color: white;
  font-size: 0.74rem;
  letter-spacing: 0.04em;
}

nav ul {
  margin: 0;
  padding: 0;
  display: flex;
  list-style: none;
  gap: 22px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.93rem;
}

nav a:hover {
  color: var(--text);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  min-height: calc(100vh - 64px);
  padding: 72px 24px 52px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.7fr);
  gap: 56px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 14px;
  font-size: clamp(4rem, 12vw, 8.5rem);
  line-height: 0.9;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.tagline {
  max-width: 620px;
  margin-bottom: 28px;
  color: var(--soft);
  font-size: clamp(1.13rem, 2.2vw, 1.45rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
}

.store-btn,
.secondary-link {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  border-radius: 14px;
  text-decoration: none;
  font-weight: 720;
}

.store-btn {
  padding: 0 22px;
  color: #07101d;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.secondary-link {
  color: var(--soft);
}

.trust-line {
  color: var(--muted);
  font-size: 0.95rem;
}

.phone {
  position: relative;
  width: min(100%, 340px);
  aspect-ratio: 1206 / 2622;
  overflow: hidden;
  justify-self: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 42px;
  background: #000;
  box-shadow: 0 36px 90px rgba(0, 0, 0, 0.42);
}

.phone img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 72px 24px;
}

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

.screenshot-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
}

.screenshot-copy {
  position: sticky;
  top: 96px;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.screenshot-grid figure {
  margin: 0;
}

.screenshot-grid img {
  width: 100%;
  display: block;
  aspect-ratio: 1206 / 2622;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 26px;
  background: #000;
  box-shadow: 0 22px 54px rgba(0, 0, 0, 0.35);
}

.screenshot-grid figcaption {
  margin-top: 10px;
  color: var(--soft);
  font-size: 0.9rem;
  font-weight: 720;
  text-align: center;
}

.feature-card,
.privacy-list,
.info-box {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(17, 24, 35, 0.78);
}

.feature-card {
  padding: 22px;
}

.feature-icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  border-radius: 10px;
  background: rgba(97, 165, 255, 0.16);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
}

.feature-card h3 {
  margin-bottom: 8px;
  font-size: 1.02rem;
}

.feature-card p,
.section p,
.prose p,
.prose li {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.7fr);
  gap: 36px;
  align-items: start;
}

.privacy-list {
  display: grid;
  gap: 12px;
  padding: 22px;
}

.privacy-list span {
  padding: 13px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--soft);
}

.cta {
  text-align: center;
}

.cta p {
  max-width: 620px;
  margin: 0 auto 22px;
}

.prose {
  max-width: 820px;
  margin: 0 auto;
  padding: 64px 24px 88px;
}

.page-header {
  padding-bottom: 26px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.page-header h1 {
  font-size: clamp(2.3rem, 7vw, 4.6rem);
}

.prose h2 {
  margin-top: 34px;
  margin-bottom: 10px;
  font-size: 1.25rem;
}

.prose a {
  color: var(--accent);
  text-decoration: none;
}

.prose a:hover {
  text-decoration: underline;
}

.info-box {
  padding: 18px 20px;
  color: var(--soft);
}

.guide-page,
.article-page {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 24px 88px;
}

.guide-hero {
  max-width: 780px;
  margin-bottom: 28px;
}

.guide-hero h1,
.article-header h1 {
  margin-bottom: 18px;
  font-size: clamp(2.5rem, 7vw, 5.8rem);
  line-height: 0.95;
}

.guide-hero p,
.article-header p {
  max-width: 720px;
  color: var(--soft);
  font-size: 1.12rem;
}

.guide-featured,
.guide-card,
.article-section {
  border: 1px solid var(--line);
  background: rgba(17, 24, 35, 0.78);
}

.guide-featured,
.guide-card {
  display: block;
  color: var(--text);
  text-decoration: none;
}

.guide-featured {
  margin: 34px 0 18px;
  padding: 30px;
  border-radius: 22px;
}

.guide-featured:hover,
.guide-card:hover {
  border-color: rgba(97, 165, 255, 0.45);
}

.guide-featured span,
.guide-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guide-featured h2 {
  max-width: 760px;
  margin-bottom: 10px;
}

.guide-featured p,
.guide-card p,
.article-section li {
  color: var(--muted);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  min-height: 210px;
  padding: 22px;
  border-radius: 18px;
}

.guide-card h3 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  line-height: 1.14;
}

.back-link {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 720;
}

.back-link:hover {
  text-decoration: underline;
}

.article-page article {
  max-width: 840px;
}

.article-header {
  padding-bottom: 30px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.article-section {
  margin-bottom: 18px;
  padding: 24px;
  border-radius: 20px;
}

.article-section h2 {
  margin-bottom: 14px;
  font-size: 1.45rem;
}

.article-section ul {
  margin: 0;
  padding-left: 1.2rem;
}

.article-section li + li {
  margin-top: 10px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 30px 24px 38px;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

footer .links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  margin-bottom: 10px;
}

footer a {
  color: var(--soft);
  text-decoration: none;
}

@media (max-width: 820px) {
  nav {
    padding: 0 16px;
  }

  nav ul {
    gap: 14px;
  }

  .hero,
  .split,
  .screenshot-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 42px;
  }

  .screenshot-copy {
    position: static;
  }

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

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

  .screenshot-grid {
    grid-template-columns: repeat(3, minmax(150px, 1fr));
    overflow-x: auto;
    padding-bottom: 8px;
  }
}

@media (max-width: 520px) {
  nav ul li:first-child {
    display: none;
  }

  h1 {
    font-size: 4rem;
  }

  .phone {
    width: 100%;
    border-radius: 32px;
  }
}