/* DirMerge Modern Apple Aesthetics Style */

:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F5F5F7;
  --bg-card: #FFFFFF;
  --text-primary: #1D1D1F;
  --text-secondary: #86868B;
  --accent-blue: #0071E3;
  --accent-blue-hover: #0077ED;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.12);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #000000;
    --bg-secondary: #161617;
    --bg-card: #1D1D1F;
    --text-primary: #F5F5F7;
    --text-secondary: #A1A1A6;
    --accent-blue: #2997FF;
    --accent-blue-hover: #47A3FF;
    --border-color: rgba(255, 255, 255, 0.12);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.6);
  }
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

@media (prefers-color-scheme: dark) {
  .navbar {
    background: rgba(0, 0, 0, 0.8);
  }
}

.nav-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.15s ease;
}

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

.nav-btn {
  background: var(--text-primary) !important;
  color: var(--bg-primary) !important;
  padding: 8px 16px;
  border-radius: 980px;
  font-size: 13px !important;
  font-weight: 600 !important;
}

/* Hero */
.hero {
  padding: 72px 0 56px;
  text-align: center;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-blue);
  background: rgba(0, 113, 227, 0.1);
  padding: 6px 14px;
  border-radius: 980px;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin-bottom: 16px;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 32px;
  }
}

.hero-subtitle {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.45;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent-blue);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

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

.hero-image-wrapper {
  max-width: 900px;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.hero-image {
  width: 100%;
  display: block;
}

/* Features */
.features {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  padding: 32px 28px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 20px;
}

.bg-blue { background: rgba(0, 113, 227, 0.12); }
.bg-orange { background: rgba(255, 149, 0, 0.12); }
.bg-green { background: rgba(52, 199, 89, 0.12); }
.bg-purple { background: rgba(175, 82, 222, 0.12); }
.bg-indigo { background: rgba(88, 86, 214, 0.12); }
.bg-pink { background: rgba(255, 45, 85, 0.12); }

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Steps */
.how-it-works {
  padding: 80px 0;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

@media (max-width: 768px) {
  .steps-container {
    grid-template-columns: 1fr;
  }
}

.step-item {
  text-align: center;
  padding: 24px;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-blue);
  color: #FFFFFF;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-item h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Legal Pages */
.legal-page {
  padding: 64px 0 80px;
}

.legal-container {
  max-width: 760px;
}

.legal-container h1 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.last-updated {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.legal-section {
  margin-bottom: 40px;
}

.legal-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.legal-section p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.legal-section a {
  color: var(--accent-blue);
}

.faq-item {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.faq-item h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 6px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  background: var(--bg-primary);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copy {
  font-size: 13px;
  font-weight: 500;
}

.footer-sub {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  text-decoration: none;
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

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

/* Trust Bar */
.hero-trust-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-secondary);
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.trust-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34C759;
}

/* Stats / Evidence Grid */
.stats-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 24px 16px;
  border-radius: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
}

.stat-num {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent-blue);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Tech Deep Dive Section */
.deep-dive {
  padding: 80px 0;
  background: var(--bg-primary);
}

.deep-dive-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.code-box {
  background: #1C1C1E;
  color: #F2F2F7;
  border-radius: 14px;
  padding: 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  line-height: 1.6;
  overflow-x: auto;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-comment {
  color: #8E8E93;
}

.code-keyword {
  color: #FF7B72;
}

.code-func {
  color: #79C0FF;
}

.code-string {
  color: #A5D6FF;
}

/* Comparison Matrix */
.comparison-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.comparison-wrapper {
  overflow-x: auto;
  margin-top: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: rgba(0, 113, 227, 0.04);
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-table th.highlight-col {
  color: var(--accent-blue);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.check-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: #34C759;
  font-weight: 600;
}

.cross-badge {
  color: var(--text-secondary);
}

/* Home FAQ Section */
.home-faq {
  padding: 80px 0;
  background: var(--bg-primary);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 40px;
}

.faq-card {
  padding: 24px;
  border-radius: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.faq-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.faq-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  line-height: 1.4;
}

.faq-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 860px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .deep-dive-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}