@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --primary-light: #DBEAFE;
  --primary-dark: #1E40AF;
  --success: #22C55E;
  --success-light: #DCFCE7;
  --warning: #F59E0B;
  --warning-light: #FEF3C7;
  --danger: #EF4444;
  --danger-light: #FEE2E2;
  --bg: #F8FAFC;
  --bg-alt: #F1F5F9;
  --card: #FFFFFF;
  --text: #111827;
  --text-secondary: #64748B;
  --text-muted: #94A3B8;
  --border: #E2E8F0;
  --border-light: #F1F5F9;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-height: 72px;
}

[data-theme="dark"] {
  --bg: #0F172A;
  --bg-alt: #1E293B;
  --card: #1E293B;
  --text: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border: #334155;
  --border-light: #1E293B;
  --primary-light: #1E3A5F;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.4);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition);
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--text);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section-sm {
  padding: 48px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 1px 3px rgba(37,99,235,0.3);
}

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

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-ghost {
  color: var(--text-secondary);
}

.btn-ghost:hover {
  color: var(--primary);
  background: var(--primary-light);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.125rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-block {
  width: 100%;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.card-hover {
  cursor: default;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 9999px;
}

.tag-success {
  background: var(--success-light);
  color: #15803D;
}

.tag-warning {
  background: var(--warning-light);
  color: #92400E;
}

.tag-danger {
  background: var(--danger-light);
  color: #991B1B;
}

.tag-info {
  background: var(--primary-light);
  color: var(--primary-dark);
}

[data-theme="dark"] .tag-success {
  background: rgba(34,197,94,0.15);
  color: #4ADE80;
}

[data-theme="dark"] .tag-warning {
  background: rgba(245,158,11,0.15);
  color: #FBBF24;
}

[data-theme="dark"] .tag-danger {
  background: rgba(239,68,68,0.15);
  color: #F87171;
}

[data-theme="dark"] .tag-info {
  background: rgba(37,99,235,0.15);
  color: #60A5FA;
}

.input-group {
  margin-bottom: 16px;
}

.input-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

.input-group input,
.input-group textarea,
.input-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: all var(--transition);
  outline: none;
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.input-group textarea {
  resize: vertical;
  min-height: 120px;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.checkbox-group label {
  cursor: pointer;
  font-size: 0.9375rem;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: background var(--transition), border-color var(--transition);
}

[data-theme="dark"] .header {
  background: rgba(15,23,42,0.8);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.header-logo:hover {
  color: var(--text);
}

.header-logo svg {
  width: 32px;
  height: 32px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--text);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition);
  border-radius: 1px;
}

.header-nav a:hover::after,
.header-nav a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--bg-alt);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.theme-toggle:hover {
  color: var(--text);
  background: var(--border);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero */
.hero {
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.1;
}

.hero-content h1 span {
  color: var(--primary);
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual svg {
  width: 100%;
  max-width: 540px;
  height: auto;
}

.hero-gradient {
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

/* Stats */
.stats {
  padding: 60px 0;
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Footer */
.footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-top: 12px;
  max-width: 320px;
  line-height: 1.7;
}

.footer-brand .header-logo {
  margin-bottom: 8px;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.footer-col a {
  display: block;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  transition: color var(--transition);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

/* Upload Section */
.upload-section {
  padding: 80px 0;
}

.upload-container {
  max-width: 720px;
  margin: 0 auto;
}

.upload-area {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius-xl);
  padding: 64px 32px;
  text-align: center;
  background: var(--card);
  transition: all var(--transition);
  cursor: pointer;
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--primary);
  background: var(--primary-light);
}

.upload-area.drag-over {
  transform: scale(1.02);
}

.upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--primary);
}

.upload-area h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.upload-area p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.upload-options {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  text-align: left;
}

.upload-options .input-group {
  margin-bottom: 0;
}

/* Upload Progress */
.upload-progress {
  display: none;
  margin-top: 32px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.upload-progress.active {
  display: block;
  animation: slideUp 0.4s ease;
}

.progress-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.progress-status .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.progress-bar-track {
  width: 100%;
  height: 8px;
  background: var(--bg-alt);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #6366F1);
  border-radius: 9999px;
  width: 0%;
  transition: width 0.3s ease;
}

.progress-percent {
  text-align: right;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.upload-result {
  display: none;
  margin-top: 24px;
  padding: 32px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
}

.upload-result.active {
  display: block;
  animation: slideUp 0.5s ease;
}

.upload-result-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

.upload-result h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.upload-result p {
  color: var(--text-secondary);
  margin-bottom: 4px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  position: relative;
  transition: all var(--transition);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-lg);
  transform: scale(1.05);
}

.pricing-card.featured .pricing-badge {
  display: inline-block;
}

.pricing-badge {
  display: none;
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  padding: 4px 16px;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.pricing-card .pricing-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-features {
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding: 6px 0;
}

.pricing-features li svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

/* Status Page */
.status-grid {
  display: grid;
  gap: 12px;
}

.status-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.status-item:hover {
  box-shadow: var(--shadow);
}

.status-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.success {
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2);
}

.status-dot.warning {
  background: var(--warning);
  box-shadow: 0 0 0 3px rgba(245,158,11,0.2);
}

.status-dot.danger {
  background: var(--danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.2);
}

.status-item-name {
  font-weight: 600;
  font-size: 0.9375rem;
}

.status-item-label {
  font-size: 0.875rem;
  font-weight: 500;
}

/* Accordion */
.accordion {
  max-width: 720px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
  background: var(--card);
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
  background: none;
  transition: background var(--transition);
}

.accordion-trigger:hover {
  background: var(--bg-alt);
}

.accordion-trigger svg {
  width: 20px;
  height: 20px;
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--text-muted);
}

.accordion-item.active .accordion-trigger svg {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.accordion-item.active .accordion-content {
  max-height: 400px;
}

.accordion-content-inner {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* API Docs */
.api-section {
  margin-bottom: 48px;
}

.api-section h2 {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.api-section h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  margin-top: 24px;
}

.api-section p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.code-block {
  background: #1E293B;
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 16px 0 24px;
}

.code-block code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.875rem;
  color: #E2E8F0;
  line-height: 1.6;
  white-space: pre;
}

.endpoint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.endpoint.get {
  background: rgba(34,197,94,0.1);
  color: #15803D;
}

.endpoint.post {
  background: rgba(37,99,235,0.1);
  color: var(--primary-dark);
}

.endpoint.delete {
  background: rgba(239,68,68,0.1);
  color: #991B1B;
}

[data-theme="dark"] .endpoint.get {
  color: #4ADE80;
}

[data-theme="dark"] .endpoint.post {
  color: #60A5FA;
}

[data-theme="dark"] .endpoint.delete {
  color: #F87171;
}

/* Dashboard */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.dashboard-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.dashboard-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.dashboard-card-header h3 {
  font-size: 1.125rem;
}

.storage-bar {
  margin-bottom: 16px;
}

.storage-bar .progress-bar-track {
  height: 12px;
  margin-bottom: 8px;
}

.storage-bar .progress-bar-fill {
  background: linear-gradient(90deg, var(--primary), #6366F1);
}

.storage-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 12px 16px;
  font-size: 0.9375rem;
  color: var(--text);
  border-bottom: 1px solid var(--border-light);
}

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

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.blog-card-image {
  width: 100%;
  height: 200px;
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

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

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.blog-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Careers */
.job-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition);
  margin-bottom: 12px;
}

.job-card:hover {
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.job-card-info h3 {
  font-size: 1.125rem;
  margin-bottom: 4px;
}

.job-card-info p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.job-card-tags {
  display: flex;
  gap: 8px;
}

/* Changelog */
.changelog-item {
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
}

.changelog-item:last-child {
  border-bottom: none;
}

.changelog-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.changelog-version {
  font-size: 1.25rem;
  font-weight: 700;
}

.changelog-date {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.changelog-list {
  list-style: disc;
  padding-left: 20px;
}

.changelog-list li {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.6;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}

.contact-method svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-method h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.contact-method p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Auth Pages */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--bg);
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-header .header-logo {
  justify-content: center;
  margin-bottom: 24px;
}

.auth-header h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.auth-header p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

.divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 24px 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Notification */
.notification {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 1000;
  padding: 16px 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
  font-weight: 500;
  transform: translateX(120%);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 400px;
}

.notification.active {
  transform: translateX(0);
  opacity: 1;
}

.notification svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.notification.success svg { color: var(--success); }
.notification.error svg { color: var(--danger); }
.notification.info svg { color: var(--primary); }

/* 404 Page */
.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
}

.page-404-content h1 {
  font-size: 8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -0.03em;
}

.page-404-content h2 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.page-404-content p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-size: 1.125rem;
}

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

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* Skeleton Loading */
.skeleton {
  background: linear-gradient(90deg, var(--bg-alt) 25%, var(--border) 50%, var(--bg-alt) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Page Header */
.page-header {
  padding: 120px 0 48px;
  text-align: center;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.page-header p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Utility */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.gap-12 { gap: 12px; }
.gap-24 { gap: 24px; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }

/* Blog Article */
.blog-article {
  max-width: 720px;
  margin: 0 auto;
}

.blog-article-header {
  margin-bottom: 32px;
  text-align: center;
}

.blog-article-header h1 {
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.blog-article-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.blog-article-body p {
  margin-bottom: 20px;
}

.blog-article-body h2 {
  font-size: 1.5rem;
  color: var(--text);
  margin: 32px 0 16px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content p {
    margin: 0 auto 32px;
  }

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

  .hero-visual {
    display: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--card);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
  }

  .header-nav.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    padding: 120px 0 48px;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .hero-content p {
    font-size: 1.0625rem;
  }

  .section {
    padding: 48px 0;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    transform: none;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .stat-item h3 {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .upload-options {
    grid-template-columns: 1fr;
  }

  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .blog-article-header h1 {
    font-size: 1.75rem;
  }

  .auth-card {
    padding: 32px 24px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 1.75rem;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 1rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .pricing-grid {
    padding: 0;
  }

  .notification {
    left: 16px;
    right: 16px;
    top: 16px;
  }
}