* {
  box-sizing: border-box;
}

:root {
  --bg: #070912;
  --bg-soft: #0e1220;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --line: rgba(255, 255, 255, 0.12);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.68);
  --faint: rgba(255, 255, 255, 0.44);
  --blue: #b8c8ff;
  --blue-strong: #8ba5ff;
  --cyan: #7de3da;
  --sun: #b8c8ff;
  --pink: #f6a6bc;
  --shadow: rgba(2, 8, 23, 0.42);
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "New York", "Iowan Old Style", Georgia, serif;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(120, 140, 255, 0.22), transparent 60%),
    radial-gradient(ellipse 60% 40% at 82% 18%, rgba(180, 140, 255, 0.14), transparent 56%),
    radial-gradient(ellipse 70% 42% at 8% 28%, rgba(100, 180, 255, 0.13), transparent 58%),
    linear-gradient(180deg, #060a1a 0%, #04060f 100%);
}

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

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

.site-shell {
  position: relative;
  overflow: hidden;
}

.site-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.42) 0 1px, transparent 1px),
    radial-gradient(circle, rgba(255,255,255,0.22) 0 1px, transparent 1px);
  background-position: 4rem 3rem, 12rem 10rem;
  background-size: 13rem 13rem, 19rem 19rem;
  opacity: 0.25;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  background: rgba(7, 9, 18, 0.72);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  box-shadow: 0 0.75rem 2rem var(--shadow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.language-link {
  color: var(--blue);
}

.app-store-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.8rem 1.15rem;
  border-radius: 999px;
  font-weight: 700;
}

.app-store-link {
  background: var(--text);
  color: #0c1020;
  box-shadow: 0 1rem 2.5rem rgba(184, 200, 255, 0.18);
}

.secondary-link {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.hero,
.section,
.article-hero,
.article-body,
.footer {
  position: relative;
  z-index: 1;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(19rem, 0.8fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
  max-width: 76rem;
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 8rem) clamp(1rem, 4vw, 3rem) 5rem;
}

.eyebrow {
  color: var(--cyan);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 14ch;
  margin-bottom: 1.35rem;
  font-family: var(--serif);
  font-size: clamp(3.3rem, 8vw, 7.7rem);
  font-weight: 620;
  letter-spacing: -0.035em;
  line-height: 0.92;
}

.hero h1 span,
.accent {
  color: var(--blue);
  background: linear-gradient(180deg, #ffffff 0%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.lead {
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  line-height: 1.65;
}

.cta-row,
.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
}

.cta-row {
  margin-top: 2rem;
}

.pill-row {
  margin-top: 1.8rem;
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.55rem 0.82rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.88rem;
}

.phone-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 36rem;
}

.phone-stage::before {
  content: "";
  position: absolute;
  width: min(34rem, 80vw);
  aspect-ratio: 1;
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(184, 200, 255, 0.30), transparent 42%),
    radial-gradient(circle, rgba(139, 165, 255, 0.18), transparent 64%);
  filter: blur(2rem);
}

.phone-shot {
  position: relative;
  width: min(20rem, 70vw);
  border-radius: 2.2rem;
  box-shadow:
    0 2.4rem 6rem rgba(0, 0, 0, 0.48),
    0 0 0 1px rgba(255, 255, 255, 0.12);
}

.section {
  max-width: 76rem;
  margin: 0 auto;
  padding: 4.5rem clamp(1rem, 4vw, 3rem);
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 2.2rem;
}

.section h2,
.article-hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 4.5vw, 4.5rem);
  font-weight: 620;
  letter-spacing: -0.03em;
  line-height: 1;
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 1rem;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card {
  padding: 1.4rem;
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: linear-gradient(180deg, var(--panel-strong), rgba(255,255,255,0.035));
  box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.18);
}

.card h3 {
  margin-bottom: 0.55rem;
  font-size: 1.1rem;
}

.card p,
.article-body p,
.article-body li {
  color: var(--muted);
  line-height: 1.72;
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(18rem, 0.55fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  border-radius: 2rem;
  padding: clamp(1.4rem, 4vw, 3rem);
  background: linear-gradient(135deg, rgba(169, 196, 255, 0.13), rgba(180, 140, 255, 0.08));
  border: 1px solid var(--line);
}

.feature-band img {
  border-radius: 1.5rem;
  box-shadow: 0 1.4rem 4rem rgba(0, 0, 0, 0.36);
}

.screen-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.screen-row img {
  border-radius: 1.1rem;
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.28);
}

.faq {
  display: grid;
  gap: 0.85rem;
}

details {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  background: rgba(255, 255, 255, 0.045);
}

summary {
  cursor: pointer;
  font-weight: 800;
}

details p {
  margin: 0.8rem 0 0;
  color: var(--muted);
  line-height: 1.68;
}

.article-hero {
  max-width: 58rem;
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) clamp(1rem, 4vw, 3rem) 2rem;
}

.article-hero h1 {
  max-width: 12ch;
}

.article-body {
  max-width: 48rem;
  margin: 0 auto;
  padding: 1rem clamp(1rem, 4vw, 3rem) 5rem;
}

.article-body h2 {
  margin-top: 2.4rem;
  font-size: 1.65rem;
}

.article-body ul {
  padding-left: 1.25rem;
}

.article-note {
  padding: 1.2rem;
  border-left: 3px solid var(--blue);
  border-radius: 0.8rem;
  background: rgba(184, 200, 255, 0.1);
}

.footer {
  padding: 3rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
  background: rgba(5, 7, 13, 0.54);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, minmax(0, 0.55fr));
  gap: 2rem;
  max-width: 76rem;
  margin: 0 auto;
}

.footer p,
.footer a {
  color: var(--faint);
  line-height: 1.7;
}

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

.footer-title {
  margin-bottom: 0.65rem;
  color: var(--text);
  font-weight: 800;
}

.footer-col a {
  display: block;
  padding: 0.15rem 0;
}

@media (max-width: 860px) {
  .hero,
  .feature-band,
  .grid-3,
  .grid-2,
  .footer-inner {
    grid-template-columns: 1fr;
  }

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

  .nav-links {
    display: none;
  }

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

@media (max-width: 520px) {
  .topbar {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .topbar > .app-store-link,
  .secondary-link {
    flex-basis: 100%;
    width: 100%;
  }

  .cta-row {
    align-items: stretch;
  }
}