:root {
  --accent: #1570ef;
  --accent-strong: #0f5bd8;
  --accent-soft: #dceaff;
  --surface: #ffffff;
  --surface-alt: #f5f8ff;
  --ink: #121826;
  --muted: #546074;
  --line: rgba(18, 24, 38, 0.08);
  --shadow: 0 24px 60px rgba(17, 24, 39, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(21, 112, 239, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(15, 91, 216, 0.1), transparent 28%),
    linear-gradient(180deg, #f9fbff 0%, #f3f7ff 48%, #ffffff 100%);
}

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

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

.site-shell {
  min-height: 100vh;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

#site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 1rem 0;
  backdrop-filter: blur(18px);
  background: rgba(249, 251, 255, 0.72);
  border-bottom: 1px solid rgba(18, 24, 38, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-icon {
  width: 52px;
  height: 52px;
  filter: drop-shadow(0 14px 34px rgba(21, 112, 239, 0.18));
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-subtitle,
.footer-copy,
.page-meta,
.section-copy,
.card-copy,
.faq-item p,
.policy-section p,
.contact-label {
  color: var(--muted);
}

.contact-label,
.eyebrow,
.page-meta {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-subtitle {
  font-size: 0.84rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 10px 24px rgba(18, 24, 38, 0.05);
  color: var(--ink);
  cursor: pointer;
}

.menu-toggle-bars,
.menu-toggle-bars::before,
.menu-toggle-bars::after {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 160ms ease,
    opacity 160ms ease;
  content: "";
}

.menu-toggle-bars {
  position: relative;
}

.menu-toggle-bars::before {
  position: absolute;
  top: -6px;
  left: 0;
}

.menu-toggle-bars::after {
  position: absolute;
  top: 6px;
  left: 0;
}

.menu-toggle.is-open .menu-toggle-bars {
  transform: rotate(45deg);
}

.menu-toggle.is-open .menu-toggle-bars::before {
  transform: translateY(6px) rotate(90deg);
}

.menu-toggle.is-open .menu-toggle-bars::after {
  opacity: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.nav-link,
.footer-link {
  color: var(--muted);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 24px rgba(18, 24, 38, 0.05);
}

.hero,
.page-hero,
.content-section,
.screenshot-section,
.cta-section {
  padding: 4rem 0;
}

.hero {
  padding-top: 5.5rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.hero-icon {
  width: min(28vw, 140px);
  min-width: 96px;
  filter: drop-shadow(0 24px 60px rgba(21, 112, 239, 0.22));
}

.hero-title,
.page-title,
.section-title,
.cta-copy h2,
.card-title,
.policy-section h2 {
  margin: 0;
  letter-spacing: -0.035em;
}

.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  max-width: 11ch;
}

.hero-copy {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(1.1rem, 2.8vw, 1.55rem);
  line-height: 1.3;
}

.hero-subcopy,
.section-copy,
.card-copy,
.faq-item p,
.policy-section p,
.contact-value {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
}

.hero-subcopy {
  max-width: 42rem;
}

.store-button,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    opacity 160ms ease;
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--ink), #2f3b52);
  box-shadow: 0 18px 32px rgba(18, 24, 38, 0.18);
}

.button {
  min-height: 52px;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
}

.store-button {
  padding: 0;
}

.store-badge {
  width: 190px;
  height: auto;
  display: block;
}

.footer-store-button .store-badge {
  width: 170px;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

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

.store-button:hover {
  opacity: 0.96;
}

.section-title,
.page-title,
.cta-copy h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section-title {
  margin-bottom: 1.5rem;
}

.carousel-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.5rem 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.carousel-viewport::-webkit-scrollbar {
  display: none;
}

.carousel-track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
}

.screenshot-card {
  flex: 0 0 240px;
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.screenshot-image {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  border-radius: 22px;
  object-fit: cover;
  background: var(--surface-alt);
}

.card-grid,
.contact-grid {
  display: grid;
  gap: 1rem;
}

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

.contact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
}

.content-card,
.contact-card,
.cta-card,
.policy-card,
.faq-item {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.content-card,
.contact-card {
  padding: 1.5rem;
  border-radius: var(--radius-lg);
}

.content-card {
  display: grid;
  gap: 0.8rem;
}

.card-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
  display: grid;
  gap: 0.65rem;
  line-height: 1.7;
}

.section-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

.contact-card {
  display: grid;
  gap: 0.5rem;
}

.contact-value {
  font-weight: 700;
  color: var(--ink);
}

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

.faq-item {
  border-radius: var(--radius-md);
  padding: 1.2rem 1.35rem;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding-top: 0.9rem;
}

.cta-card,
.policy-card {
  border-radius: 32px;
  padding: clamp(1.5rem, 4vw, 2.25rem);
}

.cta-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.cta-copy {
  max-width: 38rem;
}

.cta-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.policy-card {
  display: grid;
  gap: 1.6rem;
}

.policy-section {
  display: grid;
  gap: 0.8rem;
}

#site-footer {
  padding: 0 0 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .card-grid,
  .contact-grid,
  .cta-card {
    grid-template-columns: 1fr;
  }

  .cta-card {
    display: grid;
  }
}

@media (max-width: 720px) {
  #site-header {
    position: static;
  }

  .header-inner {
    flex-wrap: wrap;
    align-items: center;
  }

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

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

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.4rem;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 18px 32px rgba(18, 24, 38, 0.08);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
  }

  .hero,
  .page-hero,
  .content-section,
  .screenshot-section,
  .cta-section {
    padding: 3rem 0;
  }

  .screenshot-card {
    flex-basis: 200px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .store-button,
  .button,
  .nav-link {
    transition: none;
  }
}
