:root {
  --bg-color: #f4f3ef;
  --card-bg: #0b192c;
  --text-main: #2b2b2b;
  --text-muted: #5c5c5c;
  --text-light: #e0f2fe;
  --accent-blue: #3b82f6;
  --cyan-bright: #00f2ff;
  --cyan-muted: #00ceb8;
  --border-radius: 16px;
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 90%;
  max-width: 900px;
  margin: 0 auto;
}

.container-wide,
.hero-split-grid {
  width: 90%;
  max-width: 1140px;
  margin: 0 auto;
}

a {
  color: inherit;
}

/* Header */
.navbar {
  padding: 1.5rem 0;
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1140px;
  width: 90%;
  margin: 0 auto;
}

.brand-link {
  display: inline-flex;
  text-decoration: none;
}

.brand-logo {
  height: 64px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.15s ease;
}

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

/* Split hero */
.hero-split {
  flex: 1;
  padding: 2rem 0 4rem;
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-brand {
  padding-right: 1rem;
}

.hero-eyebrow {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.hero-text-link {
  color: var(--text-muted);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease;
}

.hero-text-link:hover {
  color: var(--text-main);
}

.product-preview-card {
  background-color: var(--card-bg);
  color: var(--text-light);
  border-radius: var(--border-radius);
  padding: 1.75rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.product-preview-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  text-align: left;
}

.product-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--cyan-muted);
  margin-bottom: 0.25rem;
}

.product-preview-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
}

/* Legacy hero (support, privacy pages) */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
}

.hero-card {
  background-color: var(--card-bg);
  color: var(--text-light);
  border-radius: var(--border-radius);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.app-icon-wrapper {
  margin-bottom: 1.5rem;
}

.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 20px;
  box-shadow: 0 8px 16px rgba(0, 242, 255, 0.2);
}

.app-icon-sm {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  flex-shrink: 0;
}

.app-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.app-tagline {
  font-size: 1.1rem;
  max-width: 500px;
  line-height: 1.5;
  margin-bottom: 2rem;
  color: #94a3b8;
}

.app-description {
  font-size: 0.95rem;
  max-width: 600px;
  line-height: 1.6;
  color: #cbd5e1;
  margin-bottom: 2rem;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--cyan-bright);
  color: #040d1a;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    background-color 0.15s ease;
}

.btn-primary:hover {
  background-color: #38f6ff;
  transform: translateY(-2px);
}

.btn-disabled {
  background-color: #475569;
  color: #cbd5e1;
  cursor: not-allowed;
  opacity: 0.85;
}

.btn-disabled:hover {
  background-color: #475569;
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--card-bg);
  color: #ffffff;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.85rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    background-color 0.15s ease;
}

.btn-secondary:hover {
  background-color: #132238;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

.preview-image-wrapper {
  margin-bottom: 1.25rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #2d3748;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5);
}

.hero-card .preview-image-wrapper {
  margin: 24px auto;
  max-width: 82%;
}

.preview-image {
  width: 100%;
  height: auto;
  display: block;
}

/* Products section */
.products-section {
  padding: 1rem 0 4rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text-main);
}

.product-detail-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  background-color: #ffffff;
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.product-detail-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.product-detail-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.product-detail-tagline {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.product-detail-description {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.feature-list {
  list-style: none;
  margin-bottom: 1.75rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: var(--text-main);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cyan-bright);
}

.product-detail-visual .preview-image-wrapper {
  margin-bottom: 0;
}

/* About section */
.about-section {
  padding: 0 0 4rem;
}

.about-content {
  max-width: 42rem;
}

.about-content p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.about-content a {
  color: var(--text-main);
  font-weight: 500;
}

.about-content a:hover {
  color: var(--accent-blue);
}

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.875rem;
  color: #71717a;
}

footer a {
  color: #52525b;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

.footer-links {
  margin-top: 0.5rem;
}

.copyright {
  margin-top: 0.5rem;
}

.disclaimer {
  margin-top: 0.65rem;
  font-size: 0.775rem;
  color: #71717a;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.45;
}

@media (max-width: 900px) {
  .hero-split-grid,
  .product-detail-card {
    grid-template-columns: 1fr;
  }

  .hero-brand {
    padding-right: 0;
    text-align: center;
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .product-detail-visual {
    order: -1;
  }
}

@media (max-width: 600px) {
  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.875rem;
  }

  .brand-logo {
    height: 48px;
  }

  .product-detail-card {
    padding: 1.5rem;
  }

  .hero-split {
    padding-bottom: 2.5rem;
  }
}