/* ============================================
   DigitalVault - Professional Brand Styles
   ============================================ */

:root {
  --brand-primary: #0F4C81;
  --brand-primary-dark: #0a3560;
  --brand-accent: #2563eb;
  --brand-accent-hover: #1d4ed8;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.06);
  --radius: 12px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  gap: 36px;
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav a:hover,
.nav a.active {
  color: var(--brand-primary);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 50%, #062847 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.2rem;
  opacity: 0.92;
  max-width: 540px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  transition: all 0.2s;
  font-size: 1rem;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--brand-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: var(--brand-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px solid var(--border-strong);
}

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

/* Features */
.features {
  padding: 100px 0;
}

.section-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-primary);
  margin-bottom: 12px;
}

.features h2 {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--bg-card);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: all 0.25s;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.1) 0%, rgba(37, 99, 235, 0.08) 100%);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Products */
.products-preview {
  padding: 100px 0;
  background: var(--bg-card);
}

.products-preview h2 {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.products-preview .section-desc {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 48px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-bottom: 48px;
}

.product-grid.full {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 0;
  transition: all 0.25s;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.product-placeholder {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.product-placeholder::before {
  content: '';
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
  opacity: 0.2;
  border-radius: 12px;
}

.product-card .product-body {
  padding: 24px;
}

.product-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.product-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
  line-height: 1.5;
}

.price {
  font-weight: 700;
  color: var(--brand-primary);
  font-size: 1.25rem;
}

.products-preview .btn {
  display: block;
  text-align: center;
  max-width: 220px;
  margin: 0 auto;
}

/* Trust bar */
.trust-bar {
  padding: 32px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 48px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.trust-item svg {
  width: 24px;
  height: 24px;
  color: var(--brand-primary);
  flex-shrink: 0;
}

/* CTA */
.cta {
  padding: 100px 0;
  background: linear-gradient(180deg, #f1f5f9 0%, #e2e8f0 100%);
  text-align: center;
}

.cta h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.1rem;
}

/* Page content */
.page-content {
  padding: 64px 0 100px;
}

.page-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-intro {
  color: var(--text-secondary);
  margin-bottom: 48px;
  font-size: 1.15rem;
  line-height: 1.7;
}

/* About */
.about-content section {
  margin-bottom: 40px;
}

.about-content h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.about-content p {
  color: var(--text-secondary);
  line-height: 1.75;
}

/* Contact */
.contact-content {
  max-width: 600px;
}

.contact-info {
  margin-bottom: 40px;
}

.contact-info h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.contact-methods {
  margin-top: 28px;
}

.contact-method {
  margin-bottom: 20px;
  padding: 20px;
  background: var(--bg-page);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.contact-method strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.contact-method p {
  color: var(--text-secondary);
}

.contact-note {
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.04) 0%, rgba(37, 99, 235, 0.03) 100%);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.contact-note h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.contact-note ul {
  margin-left: 20px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.contact-note li {
  margin-bottom: 8px;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: #94a3b8;
  padding: 64px 0 32px;
  margin-top: 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}

.footer .logo-wrap {
  color: #fff;
}

.footer .logo {
  color: #fff;
}

.footer-brand p {
  margin-top: 12px;
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-links {
  display: flex;
  gap: 28px;
}

.footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-info {
  width: 100%;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid #334155;
  font-size: 0.875rem;
  color: #64748b;
}

/* Success/Cancel pages */
.redirect-page {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px;
}

.redirect-page .message {
  max-width: 420px;
}

.redirect-page .success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(34, 197, 94, 0.05) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.redirect-page h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.redirect-page p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.redirect-page .spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--brand-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 24px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .nav {
    gap: 24px;
  }
  .hero h1 {
    font-size: 2rem;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .features h2,
  .products-preview h2,
  .cta h2 {
    font-size: 1.75rem;
  }
}