:root {
  --bg: #f8f9fc;
  --surface: #ffffff;
  --surface-soft: #f1f5f9;
  --text: #334155;
  --text-soft: #64748b;
  --border: #dbe3ef;
  --primary: #3b82f6;
  --primary-strong: #2563eb;
  --success: #10b981;
  --radius: 16px;
  --shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  --container: min(1140px, 92vw);
}

:root[data-theme="dark"] {
  --bg: #09090b;
  --surface: #121214;
  --surface-soft: #1c1c1f;
  --text: #ededed;
  --text-soft: #a1a1aa;
  --border: #27272a;
  --primary: #60a5fa;
  --primary-strong: #3b82f6;
  --success: #34d399;
  --shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Space Grotesk", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.section.alt {
  background: color-mix(in srgb, var(--surface-soft) 70%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  margin-bottom: 24px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  line-height: 1.2;
}

.section-head p {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(14px);
}

.nav-row {
  min-height: 74px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-text strong {
  font-size: 1.02rem;
}

.brand-text small {
  margin-top: 4px;
  font-size: 0.74rem;
  color: var(--text-soft);
}

.nav-links {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 0.92rem;
  transition: all 0.2s ease;
}

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

.nav-actions {
  display: inline-flex;
  gap: 8px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.icon-btn:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.mobile-only {
  display: none;
}

.mobile-menu {
  position: fixed;
  inset: 0;
  display: none;
  background: rgba(15, 23, 42, 0.45);
  z-index: 60;
}

.mobile-card {
  position: absolute;
  left: 50%;
  top: 14%;
  transform: translateX(-50%);
  width: min(420px, 92vw);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.mobile-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.mobile-links {
  display: grid;
  gap: 8px;
}

.mobile-links a {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-soft);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.kicker {
  margin: 0 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.84rem;
  color: var(--text-soft);
  background: var(--surface);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.lead {
  margin: 14px 0 0;
  color: var(--text-soft);
  max-width: 62ch;
}

.hero-cta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-weight: 600;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--primary);
}

.pwa-promo-box {
  margin-top: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}

.pwa-promo-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--success));
}

.pwa-promo-icon {
  width: 44px;
  height: 44px;
  background: color-mix(in srgb, var(--primary) 15%, transparent);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.pwa-promo-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pwa-promo-text strong {
  font-size: 1.05rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.pwa-promo-text .badge {
  background: color-mix(in srgb, var(--success) 20%, transparent);
  color: var(--success);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 6px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.pwa-promo-text span:not(.badge) {
  font-size: 0.85rem;
  color: var(--text-soft);
  line-height: 1.3;
}

.btn-pwa {
  background: var(--text);
  color: var(--bg);
  min-height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-pwa:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

.hero-points {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.hero-points li+li {
  margin-top: 4px;
}

.phone-card {
  max-width: 360px;
  margin: 0 auto;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 16px;
}

.phone-card header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.phone-card header strong {
  color: var(--text);
  font-size: 0.88rem;
}

.event {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: var(--surface-soft);
}

.event.main {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}

.event b {
  display: block;
  font-size: 0.95rem;
}

.event small {
  color: var(--text-soft);
}

.phone-card footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  color: var(--text-soft);
  font-size: 0.82rem;
}

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

.feature-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.feature-card i {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--primary) 40%, var(--border));
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.feature-card h3 {
  margin: 12px 0 6px;
  font-size: 1.02rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-soft);
}

.experience-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.check-list {
  margin: 0;
  padding-left: 18px;
  color: var(--text-soft);
}

.check-list li+li {
  margin-top: 8px;
}

.panel-stack {
  display: grid;
  gap: 12px;
}

.info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.info-panel h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.info-panel p {
  margin: 0;
  color: var(--text-soft);
}

.download-card {
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  padding: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.download-card h2 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}

.download-card p {
  margin: 8px 0 0;
  color: var(--text-soft);
}

.download-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.privacy-teaser {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.privacy-teaser h2 {
  margin: 0;
}

.privacy-teaser p {
  margin: 10px 0 16px;
  color: var(--text-soft);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface-soft);
}

.footer-row {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-row p {
  margin: 0;
  color: var(--text-soft);
}

.footer-row nav {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
}

.footer-row nav a {
  color: var(--text-soft);
}

.footer-row nav a:hover {
  color: var(--primary);
}

.policy-layout {
  display: grid;
  gap: 14px;
}

.policy-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 18px;
}

.policy-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.policy-card p,
.policy-card li {
  color: var(--text-soft);
}

.policy-card ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.policy-meta {
  color: var(--text-soft);
  margin-top: 10px;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {

  .hero-grid,
  .experience-grid {
    grid-template-columns: 1fr;
  }

  .hero-preview {
    order: -1;
  }

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

@media (max-width: 780px) {
  .nav-links {
    display: none;
  }

  .mobile-only {
    display: inline-flex;
  }

  .section {
    padding: 56px 0;
  }

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

@media (max-width: 560px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}