/* ============================================
   INCEPTA - Modern SaaS Landing Page
   Warm Cream Theme
   ============================================ */

/* === CSS Variables === */
:root {
  /* Colors - Black & Off-White Theme */
  --bg-primary: #f8f8f6;
  --bg-secondary: #f0f0ec;
  --bg-white: #ffffff;
  --bg-gradient: linear-gradient(135deg, #f8f8f6 0%, #f0f0ec 50%, #f8f8f6 100%);
  --accent-color: #1a1a1a;
  --accent-hover: #333333;
  --accent-light: rgba(26, 26, 26, 0.08);
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #7a7a7a;
  --border-color: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-logo: 'Times New Roman', 'Georgia', 'Playfair Display', serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s ease;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-primary);
  background: var(--bg-gradient);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

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

/* === Layout === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === Navbar === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.875rem 0;
  transition: all var(--transition-base);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-logo);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.navbar-logo svg {
  display: none;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.navbar-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Menu Toggle */
.navbar-mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  background: transparent;
  position: relative;
}

.navbar-mobile-toggle span,
.navbar-mobile-toggle::before,
.navbar-mobile-toggle::after {
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  position: absolute;
  transition: all var(--transition-fast);
}

.navbar-mobile-toggle::before {
  content: '';
  transform: translateY(-6px);
}

.navbar-mobile-toggle::after {
  content: '';
  transform: translateY(6px);
}

.navbar-mobile-toggle.active span {
  opacity: 0;
}

.navbar-mobile-toggle.active::before {
  transform: rotate(45deg);
}

.navbar-mobile-toggle.active::after {
  transform: rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg-white);
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 999;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  padding: 0.875rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.mobile-menu a:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-color);
  color: white;
  box-shadow: 0 4px 14px rgba(26, 26, 26, 0.15);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 6px 20px rgba(26, 26, 26, 0.25);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: rgba(0, 0, 0, 0.1);
}

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

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

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-xl {
  padding: 1.125rem 2.5rem;
  font-size: 1.1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-icon.sm {
  width: 36px;
  height: 36px;
}

.btn-icon.lg {
  width: 56px;
  height: 56px;
}

/* === Hero Section === */
.hero {
  padding-top: 140px;
  padding-bottom: var(--spacing-3xl);
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--accent-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.hero-badge svg {
  color: var(--accent-color);
}

.hero-title {
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text-primary) 0%, #333 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.5rem;
  font-weight: 400;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
}

/* Hero CTA Buttons */
.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* === Section Common === */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
}

/* === Cards === */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

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

/* === Templates Grid === */
.templates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.template-card {
  position: relative;
  padding: 1.5rem;
}

.template-preview {
  height: 180px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: 1.25rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.template-preview-content {
  width: 85%;
  height: 85%;
  background: white;
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.template-preview-header {
  display: flex;
  gap: 4px;
  margin-bottom: 0.75rem;
}

.template-preview-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.3;
}

.template-preview-lines {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.template-preview-line {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
}

.template-preview-line:nth-child(1) { width: 60%; }
.template-preview-line:nth-child(2) { width: 80%; }
.template-preview-line:nth-child(3) { width: 45%; }

.template-card h4 {
  margin-bottom: 0.5rem;
}

.template-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.template-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  background: var(--accent-light);
  color: var(--accent-color);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

/* === How It Works === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step-card {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  color: var(--accent-color);
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

.step-card h4 {
  margin-bottom: 0.75rem;
}

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

/* === Pricing === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  padding: 2rem;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--accent-color);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: white;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.pricing-price .amount {
  font-size: 3rem;
  font-weight: 700;
}

.pricing-price .period {
  color: var(--text-muted);
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.pricing-feature svg {
  width: 20px;
  height: 20px;
  color: var(--accent-color);
  flex-shrink: 0;
}

/* === Footer === */
.footer {
  background: var(--bg-white);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-logo);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.footer-logo svg {
  display: none;
}

.footer-description {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-column h4 {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-copyright {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-color);
  color: white;
}

/* === Auth Pages === */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1rem 2rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 2.5rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--accent-color);
  font-weight: 600;
}

/* === Form Elements === */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-white);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* === Docs Page === */
.docs-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 3rem;
  padding-top: 100px;
  min-height: 100vh;
}

.docs-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.docs-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.docs-nav-item {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.docs-nav-item:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.docs-nav-item.active {
  background: var(--accent-light);
  color: var(--accent-color);
}

.docs-content {
  max-width: 800px;
}

.docs-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.docs-content h2 {
  font-size: 1.75rem;
  margin: 2.5rem 0 1rem;
}

.docs-content h3 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.docs-content p {
  margin-bottom: 1rem;
  line-height: 1.8;
}

.docs-content code {
  background: var(--bg-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--accent-color);
}

.docs-content pre {
  background: #1a1a2e;
  color: #e4e4e7;
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.5rem 0;
}

.docs-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* === Blog === */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.blog-card {
  padding: 0;
  overflow: hidden;
}

.blog-image {
  height: 200px;
  background: var(--bg-secondary);
}

.blog-content {
  padding: 1.5rem;
}

.blog-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.blog-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .navbar-links {
    display: none;
  }
  
  .navbar-mobile-toggle {
    display: flex;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .footer-brand {
    grid-column: span 2;
  }
  
  .docs-container {
    grid-template-columns: 1fr;
  }
  
  .docs-sidebar {
    position: static;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 2rem; }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .templates-grid {
    grid-template-columns: 1fr;
  }
  
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-brand {
    grid-column: auto;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero {
    padding-top: 120px;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .auth-card {
    padding: 1.5rem;
  }
  
  .card {
    padding: 1.25rem;
  }
}

/* === Animations === */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-slide-up {
  animation: slideUp 0.5s ease forwards;
}

/* === Utility Classes === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none !important; }