/* Kinsta Premium Hosting Website - Main CSS */
/* Modern, luxurious design inspired by Apple/Tesla aesthetic */

:root {
  --primary-navy: #0f172a;
  --secondary-navy: #1e293b;
  --accent-gold: #f59e0b;
  --accent-silver: #e5e7eb;
  --white: #ffffff;
  --light-gray: #f8fafc;
  --dark-gray: #374151;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  --gradient-premium: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #374151 100%);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-premium: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --border-radius: 0.75rem;
  --border-radius-lg: 1rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--white);
  font-size: 16px;
  overflow-x: hidden;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary-navy);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--secondary-navy);
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

a {
  text-decoration: none;
  color: var(--primary-navy);
  transition: all 0.3s ease;
}

/* Header Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  transition: var(--transition);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-lg);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
}

.logo {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo a {
  text-decoration: none;
  transition: all 0.3s ease;
}

.logo a:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu a {
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

.nav-menu a:hover {
  background: var(--light-gray);
  color: var(--accent-gold);
}

.nav-cta {
  background: var(--gradient);
  color: white !important;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-navy);
  margin: 3px 0;
  transition: 0.3s;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}

/* Hero Section */
.hero {
  background: var(--gradient-premium);
  color: white;
  padding: 10rem 0 8rem;
  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,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.3;
}

.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 20% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

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

.hero h1 {
  color: white;
  margin-bottom: 2rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-gold);
  color: var(--primary-navy);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-premium);
  background: var(--gradient-gold);
}

.btn-secondary {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.btn-outline {
  background: transparent;
  color: var(--primary-navy);
  border: 2px solid var(--primary-navy);
}

.btn-outline:hover {
  background: var(--primary-navy);
  color: white;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 4rem 0;
}

.feature-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--accent-silver);
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-premium);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
  color: white;
}

/* Stats Section */
.stats {
  background: var(--light-gray);
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  color: var(--accent-gold);
  margin-bottom: 0.5rem;
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 4rem 0;
}

.pricing-card {
  background: white;
  border-radius: 1rem;
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--accent-silver);
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border: 2px solid var(--accent-gold);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gold);
  color: var(--primary-navy);
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-navy);
  margin-bottom: 1rem;
}

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

/* FAQ Section */
.faq-item {
  margin-bottom: 1rem;
  border: 1px solid var(--accent-silver);
  border-radius: 0.5rem;
  overflow: hidden;
}

.faq-question {
  background: var(--light-gray);
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: var(--accent-silver);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-answer.active {
  padding: 1.5rem;
  max-height: 500px;
}

/* Footer */
footer {
  background: var(--primary-navy);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--accent-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-navy);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner p {
  margin: 0;
  flex: 1;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
  margin-left: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
  }

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

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

  .hero {
    padding: 8rem 0 6rem;
  }

  .container {
    padding: 0 1rem;
  }

  .feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

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

  .cookie-banner {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .cookie-actions {
    margin-left: 0;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Focus States for Accessibility */
*:focus {
  outline: 2px solid var(--accent-gold);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --primary-navy: #000000;
    --secondary-navy: #333333;
    --text-secondary: #000000;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Premium Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.3); }
  50% { box-shadow: 0 0 40px rgba(245, 158, 11, 0.6); }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Premium Components */
.premium-card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--accent-silver);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.premium-card:hover::before {
  transform: scaleX(1);
}

.premium-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-premium);
}

/* Glass Effect */
.glass-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Gradient Text */
.gradient-text {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Premium Button Variants */
.btn-premium {
  background: var(--gradient-premium);
  color: white;
  box-shadow: var(--shadow-lg);
  border: none;
}

.btn-premium:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-premium);
}

.btn-glow {
  animation: glow 2s ease-in-out infinite alternate;
}

/* Floating Animation */
.float-animation {
  animation: float 3s ease-in-out infinite;
}

/* Slide In Animation */
.slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

/* Fade In Scale Animation */
.fade-in-scale {
  animation: fadeInScale 0.6s ease-out;
}

/* Premium Pricing Cards */
.pricing-card-premium {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--accent-silver);
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.pricing-card-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.pricing-card-premium:hover::before {
  transform: scaleX(1);
}

.pricing-card-premium:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-premium);
}

/* Premium Stats */
.stat-item-premium {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-item-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.stat-item-premium:hover::before {
  transform: scaleX(1);
}

.stat-item-premium:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-premium);
}

/* Premium Hero Effects */
.hero-premium {
  position: relative;
  overflow: hidden;
}

.hero-premium::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(245, 158, 11, 0.1), transparent);
  animation: rotate 20s linear infinite;
  pointer-events: none;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Premium Loading States */
.loading-premium {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  border-top-color: #f59e0b;
  animation: spin 1s ease-in-out infinite;
}

/* Premium Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-gold);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* Premium Focus States */
.premium-focus:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
  border-color: var(--accent-gold);
}

/* Premium Hover Effects */
.hover-lift:hover {
  transform: translateY(-5px);
  transition: var(--transition);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.3);
  transition: var(--transition);
}

/* Premium Text Effects */
.text-gradient {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Premium Background Patterns */
.bg-pattern {
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(245, 158, 11, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
}

/* Premium Border Effects */
.border-gradient {
  border: 2px solid;
  border-image: var(--gradient-gold) 1;
}

/* Premium Shadow Effects */
.shadow-premium-lg {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.shadow-glow {
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.3);
}

/* Premium Transitions */
.transition-premium {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.transition-bounce {
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}