:root {
  --primary: #0d6efd;
  --primary-dark: #084298;
  --accent: #0d6efd;
  --bg: #f8fbff;
  --surface: #ffffff;
  --surface-strong: #f3f7ff;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: linear-gradient(180deg, #f8fbff 0%, #eaf2ff 100%);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border);
}

.navbar-brand {
  display: flex;
  align-items: center;
  padding: 0;
}

.brand-logo {
  width: 160px;
  max-height: 100px;
  height: auto;
}

.navbar-brand span,
.site-footer h4 span {
  color: var(--primary);
}

.nav-link {
  color: var(--text) !important;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}

.nav-link.active,
.nav-link:hover {
  color: var(--primary) !important;
}

.navbar-toggler {
  border-color: rgba(15, 23, 42, 0.15);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.hero-section {
  padding: 3rem 0 2rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-text {
  color: var(--muted);
  max-width: 700px;
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
}

.btn-quote {
  background: var(--primary);
  border: none;
  color: #fff;
  padding: 0.85rem 1.5rem;
  border-radius: 12px;
  font-weight: 700;
}

.btn-outline-light {
  color: var(--text);
  border-color: var(--border);
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
}

.hero-card,
.detail-card,
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.hero-card {
  padding: 2rem;
}

.hero-card h3,
.hero-card p,
.hero-text {
  color: var(--text);
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 138, 0, 0.2);
  color: #ffd198;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

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

.section-heading h2 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 700;
}

.section-copy {
  max-width: 760px;
  color: #64748b;
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.8;
}

.app-card {
  padding: 1.75rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.app-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.12);
  border-color: rgba(13, 110, 253, 0.2);
}

.featured-card {
  background: linear-gradient(180deg, #ffffff 0%, #f3f7ff 100%);
  border: 1px solid rgba(13, 110, 253, 0.12);
}

.app-card-top {
  align-items: center;
}

.app-card-info {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.app-logo {
  width: 84px;
  height: 84px;
  border-radius: 24px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid rgba(13, 110, 253, 0.12);
  padding: 0.75rem;
}

.app-subtitle {
  display: block;
  margin: 0;
  color: #64748b;
  font-weight: 600;
}

.app-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.app-chip {
  display: inline-flex;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(13, 110, 253, 0.08);
  color: var(--primary);
  font-size: 0.87rem;
  white-space: nowrap;
}

.rating-block {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

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

.app-meta {
  color: #475569;
  font-size: 1rem;
  line-height: 1.8;
}

.app-card .btn-link {
  display: inline-flex;
  align-items: center;
}

.app-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.app-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.app-card .btn-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  padding: 0;
}

.site-footer {
  background: #f8fbff;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.site-footer h4,
.site-footer h5 {
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer a,
.site-footer li {
  color: var(--text);
  text-decoration: none;
  line-height: 2;
}

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

.footer-bottom {
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.back-link {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.detail-card {
  padding: 2rem;
}

.detail-card img {
  border-radius: 20px;
  margin-bottom: 1.5rem;
}

.detail-list {
  padding-left: 1rem;
  color: var(--muted);
}

.detail-section h3 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

html {
  scroll-behavior: smooth;
}

.detail-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  background: #ffffff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  padding: 0.9rem 1rem;
}

.detail-nav a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  background: rgba(13, 110, 253, 0.08);
  padding: 0.65rem 0.9rem;
  border-radius: 12px;
}

.detail-nav a:hover {
  background: rgba(13, 110, 253, 0.14);
}

.feature-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.feature-card {
  padding: 1.2rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 20px;
  background: #f8fbff;
}

.feature-card h4 {
  margin: 0.8rem 0 0.5rem;
}

.feature-card p {
  color: #475569;
  line-height: 1.7;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: #e0efff;
  font-size: 1.1rem;
}

.tier-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem 1.2rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: 18px;
  background: #ffffff;
}

.tier-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background: #dbeafe;
  font-size: 1.2rem;
}

.user-list {
  list-style: none;
  padding-left: 0;
  color: #475569;
  display: grid;
  gap: 0.9rem;
}

.user-list li {
  padding-left: 0.75rem;
}

.stat-box {
  background: var(--surface-strong);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1rem;
  min-height: 100%;
}

@media (max-width: 767px) {
  .hero-section {
    padding-top: 2rem;
  }

  .detail-card {
    padding: 1.25rem;
  }
}