:root {
  color-scheme: dark;

  --bg: #12081f;
  --surface: rgba(30, 16, 53, 0.88);
  --surface-alt: rgba(36, 18, 66, 0.82);
  --surface-glass: rgba(30, 16, 53, 0.78);
  --text: #ffffff;
  --text-muted: #d5cfe7;
  --line: rgba(255, 255, 255, 0.13);

  /* Mirrors features/design_system_app/lib/res/theme/app_colors.dart. */
  --brand-purple: #9146ff;
  --brand-purple-light: #be82ff;
  --brand-pink: #ff2c92;
  --brand-cyan: #00d5ff;
  --brand-green: #2ecc71;
  --brand-yellow: #f7c948;

  --primary: var(--brand-purple);
  --secondary: var(--brand-pink);
  --accent: var(--brand-cyan);
  --accent-blue: var(--brand-cyan);
  --accent-purple: var(--brand-purple-light);

  --shadow: 0 28px 70px rgba(4, 0, 12, 0.62);
  --shadow-soft: 0 16px 44px rgba(4, 0, 12, 0.42);
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

::selection {
  background: rgba(145, 70, 255, 0.48);
  color: var(--text);
}

body {
  font-family: 'SUSE', sans-serif;
  color: var(--text);
  background:
    radial-gradient(880px 620px at 10% -10%, rgba(145, 70, 255, 0.34), transparent 62%),
    radial-gradient(760px 580px at 94% 0%, rgba(255, 44, 146, 0.24), transparent 64%),
    radial-gradient(760px 560px at 12% 112%, rgba(0, 213, 255, 0.17), transparent 60%),
    radial-gradient(820px 620px at 92% 112%, rgba(145, 70, 255, 0.17), transparent 62%),
    linear-gradient(180deg, var(--bg) 0%, #0b0615 100%);
  min-height: 100vh;
  line-height: 1.55;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1200px 520px at 50% 0%, rgba(190, 130, 255, 0.08), transparent 60%),
    radial-gradient(900px 900px at 50% 120%, rgba(0, 0, 0, 0.45), transparent 55%);
  opacity: 1;
}

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

a {
  color: inherit;
}

.shell {
  max-width: 1140px;
  margin: 0 auto;
  padding: 26px 20px 40px;
  position: relative;
  z-index: 1;
}

.stack {
  display: grid;
  gap: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'SUSE', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 4px;
  filter:
    drop-shadow(0 10px 22px rgba(145, 70, 255, 0.42))
    drop-shadow(0 14px 26px rgba(0, 213, 255, 0.16));
}

.brand span {
  display: block;
}

.brand small {
  display: block;
  font-size: 0.6rem;
  color: var(--text-muted);
  letter-spacing: 0.2em;
  font-weight: 600;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  text-decoration: none;
}

.nav-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.18);
}

.btn:focus-visible,
.nav-link:focus-visible,
.chip:focus-visible,
.footer-links a:focus-visible {
  outline: 3px solid rgba(0, 213, 255, 0.35);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: 'SUSE', sans-serif;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.3rem, 2.6vw, 2rem);
}

h3 {
  font-size: 1.1rem;
}

.lead {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 60ch;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.86rem;
  color: var(--text);
  background: linear-gradient(135deg, rgba(145, 70, 255, 0.3), rgba(255, 44, 146, 0.2));
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.badge .emoji {
  font-size: 1rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  padding: 24px;
  display: grid;
  gap: 16px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.card--gradient {
  background:
    radial-gradient(300px 260px at 92% -20%, rgba(255, 44, 146, 0.3), transparent 70%),
    radial-gradient(280px 240px at 0% 120%, rgba(0, 213, 255, 0.17), transparent 72%),
    radial-gradient(360px 280px at 120% 120%, rgba(145, 70, 255, 0.28), transparent 72%),
    var(--surface);
}

.card--soft {
  background: var(--surface-alt);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 20px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.hero-art {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.3;
  background:
    linear-gradient(90deg, var(--surface) 0%, rgba(30, 16, 53, 0.82) 46%, rgba(30, 16, 53, 0.18) 100%),
    url('app/menu_hero_neon.png') center right / cover no-repeat;
}

.hero-copy > :not(.hero-art) {
  position: relative;
  z-index: 1;
}

.hero-copy .floaty {
  position: absolute;
  right: 24px;
  top: 22px;
  font-size: 2rem;
  animation: float 3.5s ease-in-out infinite;
}

.hero-card {
  display: grid;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.hero-card .mini-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid var(--line);
  display: grid;
  gap: 10px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.hero-card .mini-card h3 {
  margin-bottom: 6px;
}

.hero-card .mini-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero-steps {
  display: grid;
  gap: 10px;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
}

.step span {
  font-weight: 600;
}

.step .emoji {
  font-size: 1.2rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-family: inherit;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--brand-purple) 0%, var(--brand-pink) 100%);
  color: var(--text);
  box-shadow:
    0 18px 42px rgba(145, 70, 255, 0.28),
    0 22px 54px rgba(255, 44, 146, 0.14);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--text);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
}

.store-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

#get-the-app {
  scroll-margin-top: 20px;
}

.btn-store {
  flex: 0 0 auto;
  width: fit-content;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.btn-store:hover {
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.4);
}

.store-badge {
  display: block;
  width: 160px;
  max-width: 100%;
  height: auto;
}

.store-caption {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.86rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(0, 213, 255, 0.26);
  color: var(--text);
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

a.chip:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(0, 213, 255, 0.42);
  transform: translateY(-1px);
}

.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-badge {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(0, 213, 255, 0.18), rgba(145, 70, 255, 0.26));
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text);
}

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

.feature {
  display: grid;
  gap: 10px;
}

.feature p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title p {
  color: var(--text-muted);
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.info-card {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 14px;
  border: 1px solid var(--line);
  display: grid;
  gap: 6px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.info-card strong {
  display: block;
  color: var(--text);
  font-size: 1.05rem;
}

.info-card span {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.alert {
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid transparent;
  font-weight: 600;
  display: grid;
  gap: 6px;
  background: rgba(0, 213, 255, 0.1);
  border-color: rgba(0, 213, 255, 0.28);
  color: var(--text);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.alert--success {
  background: rgba(46, 204, 113, 0.12);
  border-color: rgba(46, 204, 113, 0.3);
  color: var(--text);
}

.alert--warning {
  background: rgba(247, 201, 72, 0.14);
  border-color: rgba(247, 201, 72, 0.34);
  color: var(--text);
}

.form-card {
  display: grid;
  gap: 18px;
}

.form-group {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 600;
  color: var(--text);
}

input[type='email'],
input[type='text'],
textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1.5px solid rgba(255, 255, 255, 0.16);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text);
  background: rgba(18, 8, 31, 0.7);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input[type='email']::placeholder,
input[type='text']::placeholder,
textarea::placeholder {
  color: #aaa4be;
}

input[type='email']:focus,
input[type='text']:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(0, 213, 255, 0.18);
  background: rgba(18, 8, 31, 0.92);
}

textarea {
  resize: vertical;
  min-height: 140px;
}

.help-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text);
  border-bottom-color: rgba(255, 255, 255, 0.6);
}

.prose {
  display: grid;
  gap: 16px;
  color: var(--text);
}

.prose p,
.prose li {
  color: var(--text-muted);
  font-size: 0.98rem;
}

.prose strong {
  color: var(--text);
}

.prose h2 {
  margin-top: 12px;
}

.prose h3 {
  margin-top: 8px;
}

.prose ul,
.prose ol {
  padding-left: 22px;
  display: grid;
  gap: 6px;
}

.prose a {
  color: var(--accent-blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.prose code {
  background: rgba(145, 70, 255, 0.25);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: 'SUSE', sans-serif;
  color: var(--text);
}

code {
  background: rgba(145, 70, 255, 0.25);
  padding: 2px 6px;
  border-radius: 6px;
  font-family: 'SUSE', sans-serif;
  color: var(--text);
}

.meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero-copy .floaty {
    animation: none;
  }
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }

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

  .info-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .topbar {
    border-radius: var(--radius-md);
    flex-wrap: wrap;
  }

  .hero-copy,
  .hero-card,
  .card {
    border-radius: var(--radius-lg);
  }

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

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

  .hero-art {
    opacity: 0.18;
    background-position: 62% center;
  }

  .store-badge {
    width: 148px;
  }
}