/* CSS Variables and theme */
:root {
  color-scheme: light dark;
  --color-bg: #f9fafb;
  --color-bg-elevated: #ffffff;
  --color-text: #030712;
  --color-text-muted: #4b5563;
  --color-border: #e5e7eb;
  --color-accent: #0f766e;
  --color-accent-soft: #ccfbf1;
  --color-accent-text: #ecfeff;
  --color-danger: #b91c1c;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.08);
  --radius-lg: 18px;
  --radius-pill: 999px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "SF Pro Display", -apple-system-font, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #020617;
    --color-bg-elevated: #020617;
    --color-text: #e5e7eb;
    --color-text-muted: #9ca3af;
    --color-border: #1f2933;
    --color-accent: #22c1b4;
    --color-accent-soft: rgba(34, 193, 180, 0.12);
    --color-accent-text: #ecfeff;
    --shadow-soft: 0 22px 60px rgba(15, 23, 42, 0.7);
  }
}

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

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

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at top left, #ecfeff 0, transparent 60%),
    radial-gradient(circle at bottom right, #e0f2fe 0, transparent 55%),
    var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

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

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3.5rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background-color: color-mix(in srgb, var(--color-bg) 82%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, var(--color-border) 90%, transparent);
  background: linear-gradient(
      135deg,
      color-mix(in srgb, var(--color-accent-soft) 45%, transparent),
      transparent 55%
    ),
    color-mix(in srgb, var(--color-bg-elevated) 70%, transparent);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border));
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 14px;
  background:
    radial-gradient(circle at 0 0, #ecfeff 0, transparent 55%),
    radial-gradient(circle at 100% 100%, #f97316 0, transparent 40%),
    linear-gradient(135deg, #0f766e, #22c1b4);
  box-shadow: 0 14px 28px rgba(15, 118, 110, 0.46);
}

.brand-logo {
  width: 90px;
  height: 90px;
  border-radius: 18px;
  object-fit: contain;
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.12);
  background-color: rgba(15, 23, 42, 0.03);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.nav-link {
  position: relative;
  padding-block: 0.25rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.18rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #14b8a6, #0ea5e9);
  transition: width 160ms ease-out;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--color-text);
  font-weight: 500;
}

.nav-link.active::after {
  width: 100%;
}

.site-main {
  padding-top: 1.5rem;
}

.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--color-border) 70%, transparent);
  padding-block: 1.8rem;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-links {
  list-style: none;
  display: flex;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.footer-links a {
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-accent);
  color: var(--color-accent-text);
  border-radius: 0.5rem;
  z-index: 50;
  transition: top 0.15s ease-out;
}

.skip-link:focus {
  top: 1rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.1fr);
  gap: 2.25rem;
  align-items: center;
  padding-block: 2.5rem 3rem;
}

.hero-text-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  border: 1px solid color-mix(in srgb, var(--color-accent-soft) 45%, transparent);
  background: color-mix(in srgb, var(--color-accent-soft) 40%, transparent);
  color: var(--color-text-muted);
}

.hero-kicker-dot {
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 999px;
  background: var(--color-accent);
}

.hero-title {
  font-size: clamp(2.4rem, 3.1vw, 3.1rem);
  letter-spacing: -0.04em;
  margin: 0.85rem 0 0.4rem;
}

.hero-subtitle {
  font-size: 1.05rem;
  max-width: 30rem;
  color: var(--color-text-muted);
  margin: 0 0 1.3rem;
}

.hero-body {
  font-size: 0.98rem;
  max-width: 32rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0 0 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.12s ease-out,
    box-shadow 0.12s ease-out,
    background 0.12s ease-out,
    border-color 0.12s ease-out;
}

.btn-primary {
  background: radial-gradient(circle at 0 0, #ecfeff 0, transparent 60%),
    linear-gradient(135deg, #0f766e, #22c1b4);
  color: var(--color-accent-text);
  border-color: transparent;
  box-shadow: 0 18px 40px rgba(15, 118, 110, 0.55);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 50px rgba(15, 118, 110, 0.65);
  text-decoration: none;
}

.btn-secondary {
  background: color-mix(in srgb, var(--color-bg-elevated) 85%, transparent);
  border-color: color-mix(in srgb, var(--color-border) 85%, transparent);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  background: color-mix(in srgb, var(--color-bg-elevated) 92%, transparent);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  border-color: color-mix(in srgb, var(--color-border) 80%, transparent);
  color: var(--color-text);
}

.btn-ghost:hover {
  background: color-mix(in srgb, var(--color-bg-elevated) 85%, transparent);
}

.btn-icon {
  font-size: 1.05rem;
}

.hero-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.hero-card {
  border-radius: 26px;
  padding: 1.6rem 1.5rem;
  background: radial-gradient(circle at top left, #ecfeff 0, transparent 55%),
    radial-gradient(circle at bottom right, rgba(15, 118, 110, 0.18) 0, transparent 55%),
    color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  box-shadow: var(--shadow-soft);
}

.hero-card-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 0.3rem;
}

.hero-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.hero-card-subtitle {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin: 0 0 1rem;
}

.hero-card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
  font-size: 0.9rem;
}

.hero-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin-bottom: 0.3rem;
  color: var(--color-text-muted);
}

.hero-card-dot {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 999px;
  margin-top: 0.33rem;
  background: color-mix(in srgb, var(--color-accent) 70%, transparent);
}

.hero-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.pill-muted {
  padding: 0.2rem 0.7rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  color: var(--color-text-muted);
}

.section {
  padding-block: 1.5rem 0.3rem;
}

.section-header {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin-bottom: 0.9rem;
}

.section-title {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin: 0;
}

.section-kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1rem;
}

.value-card {
  border-radius: 1rem;
  padding: 0.9rem 0.95rem;
  background: color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-border) 82%, transparent);
}

.value-title {
  font-size: 0.98rem;
  margin: 0 0 0.15rem;
}

.value-body {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin: 0;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 1rem;
}

.app-card {
  border-radius: 1.4rem;
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  background: color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  box-shadow: 0 12px 35px rgba(15, 23, 42, 0.07);
  overflow: hidden;
}

.app-card-link {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1rem 1.1rem 1rem;
  text-decoration: none;
}

.app-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.app-card-title {
  font-size: 1rem;
  margin: 0;
}

.app-card-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0.1rem 0 0.3rem;
}

.app-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.78rem;
}

.app-card-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.platform-pill {
  padding: 0.18rem 0.6rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  color: var(--color-text-muted);
}

.app-card-cta {
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.18rem 0.65rem;
  border-radius: 999px;
  font-size: 0.7rem;
  border: 1px solid transparent;
}

.badge-default {
  border-color: color-mix(in srgb, var(--color-border) 85%, transparent);
  background: color-mix(in srgb, var(--color-bg-elevated) 90%, transparent);
  color: var(--color-text-muted);
}

.badge-success {
  border-color: rgba(22, 163, 74, 0.35);
  background: rgba(22, 163, 74, 0.08);
  color: #16a34a;
}

.badge-info {
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(56, 189, 248, 0.08);
  color: #0284c7;
}

.page-intro {
  max-width: 32rem;
  font-size: 0.96rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  margin-bottom: 1.2rem;
}

.lockbox-hero {
  padding-block: 2rem 1.5rem;
}

.lockbox-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: center;
}

.lockbox-card {
  border-radius: 1.8rem;
  padding: 1.4rem 1.3rem;
  background:
    radial-gradient(circle at 0 0, #fefce8 0, transparent 50%),
    radial-gradient(circle at 100% 100%, #ecfeff 0, transparent 55%),
    color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-border) 82%, transparent);
  box-shadow: var(--shadow-soft);
}

.lockbox-hero-title {
  font-size: clamp(2rem, 2.6vw, 2.5rem);
  margin: 0.5rem 0 0.4rem;
}

.lockbox-hero-subtitle {
  font-size: 1.02rem;
  color: var(--color-text-muted);
  margin: 0 0 0.9rem;
}

.stacked-section {
  border-radius: 1.4rem;
  padding: 1.3rem 1.2rem 1.1rem;
  background: color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  margin-bottom: 1rem;
}

.stacked-section h2 {
  font-size: 1rem;
  margin: 0 0 0.3rem;
}

.stacked-section p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0 0 0.6rem;
}

.feature-list {
  list-style: none;
  margin: 0.3rem 0 0.4rem;
  padding: 0;
  font-size: 0.9rem;
}

.feature-list li {
  margin-bottom: 0.28rem;
  color: var(--color-text-muted);
}

.feature-tag {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  border: 1px dashed color-mix(in srgb, var(--color-border) 80%, transparent);
}

.privacy-callout {
  border-radius: 1.1rem;
  padding: 0.9rem 0.9rem 0.8rem;
  background: color-mix(in srgb, var(--color-accent-soft) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 40%, var(--color-border));
  font-size: 0.9rem;
}

.privacy-callout strong {
  display: block;
  margin-bottom: 0.15rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-top: 0.8rem;
}

.faq-item {
  border-radius: 0.95rem;
  padding: 0.8rem 0.85rem 0.75rem;
  background: color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
}

.faq-item h3 {
  font-size: 0.9rem;
  margin: 0 0 0.25rem;
}

.faq-item p {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  margin: 0;
}

.app-store-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  margin-top: 1rem;
}

.store-badge {
  width: 150px;
  height: 44px;
  border-radius: 0.9rem;
  border: 1px dashed color-mix(in srgb, var(--color-border) 80%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.placeholder-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.stacked-layout {
  display: grid;
  gap: 1.3rem;
  padding-block: 2.2rem 1rem;
}

.stacked-layout-two {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 1.7rem;
  padding-block: 2.2rem 1.3rem;
}

.about-card,
.contact-card,
.privacy-card,
.not-found-card {
  border-radius: 1.4rem;
  padding: 1.4rem 1.3rem 1.2rem;
  background: color-mix(in srgb, var(--color-bg-elevated) 96%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-border) 80%, transparent);
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
}

.about-tag {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.about-title {
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  margin: 0 0 0.4rem;
}

.about-lead {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  margin: 0 0 0.8rem;
}

.about-section {
  margin-top: 0.9rem;
}

.about-section h2 {
  font-size: 0.95rem;
  margin: 0 0 0.25rem;
}

.about-section p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

.about-meta-list {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.about-meta-list li {
  margin-bottom: 0.2rem;
}

.logo-placeholder {
  width: 100%;
  max-width: 260px;
  aspect-ratio: 4 / 3;
  border-radius: 1.5rem;
  margin-inline: auto;
  background:
    radial-gradient(circle at 0 0, #ecfeff 0, transparent 55%),
    radial-gradient(circle at 100% 100%, #f97316 0, transparent 48%),
    linear-gradient(135deg, #0f766e, #22c1b4);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.about-logo-img {
  width: 100%;
  max-width: 480px;
  border-radius: 1.5rem;
  margin-inline: auto;
  display: block;
  box-shadow: var(--shadow-soft);
}

.logo-inner-symbol {
  position: absolute;
  inset: 16%;
  border-radius: 1.25rem;
  border: 1px solid rgba(15, 23, 42, 0.16);
  background:
    radial-gradient(circle at 0 0, rgba(255, 255, 255, 0.9) 0, transparent 55%),
    linear-gradient(135deg, rgba(15, 23, 42, 0.1), transparent 65%);
}

.logo-inner-glyph {
  position: absolute;
  inset: 34% 22%;
  border-radius: 999px;
  border: 2px solid rgba(15, 23, 42, 0.75);
}

.logo-inner-glyph::after {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: inherit;
  border-top: 2px solid rgba(15, 23, 42, 0.75);
}

.contact-list {
  list-style: none;
  margin: 0.6rem 0 0.4rem;
  padding: 0;
  font-size: 0.9rem;
}

.contact-list li {
  margin-bottom: 0.35rem;
}

.contact-note {
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.link-muted {
  color: inherit;
  text-decoration: none;
}

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

.privacy-section {
  margin-bottom: 0.9rem;
}

.privacy-section h2 {
  font-size: 0.98rem;
  margin: 0 0 0.25rem;
}

.privacy-section p,
.privacy-section ul {
  font-size: 0.86rem;
  color: var(--color-text-muted);
}

.privacy-section ul {
  padding-left: 1.1rem;
  margin: 0.2rem 0 0;
}

.not-found-title {
  font-size: 1.5rem;
  margin: 0 0 0.4rem;
}

.not-found-body {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin: 0 0 0.9rem;
}

.not-found-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

@media (max-width: 800px) {
  .hero,
  .lockbox-hero-grid,
  .stacked-layout-two {
    grid-template-columns: minmax(0, 1fr);
  }

  .header-inner {
    align-items: flex-start;
    padding-block: 1.25rem;
  }

  .nav-list {
    gap: 0.75rem;
  }

  .brand-logo {
    width: 80px;
    height: 80px;
  }

  .brand {
    gap: 1rem;
    padding: 0.65rem 1.25rem;
  }
}

@media (max-width: 640px) {
  .container {
    padding-inline: 1.1rem;
  }

  .hero {
    padding-block: 1.8rem 2.2rem;
  }

  .site-main {
    padding-top: 1.2rem;
  }

  .brand {
    padding-inline: 0.6rem;
  }

  .brand-tagline {
    display: none;
  }

  .brand-logo {
    width: 72px;
    height: 72px;
  }

  .brand {
    gap: 1rem;
    padding: 0.6rem 1rem;
  }
}

button,
.btn,
.nav-link,
.brand,
a {
  outline-offset: 3px;
}

button:focus-visible,
.btn:focus-visible,
.nav-link:focus-visible,
.brand:focus-visible,
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}