/* ===================================================
   MULLER AI - Global Stylesheet & Design System
   =================================================== */

:root {
  --bg-main: #07090e;
  --bg-secondary: #0d111a;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 54, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7f00ff;
  --accent-pink: #e100ff;
  --accent-green: #00f5a0;
  
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --grad-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 50%, #7f00ff 100%);
  --grad-purple: linear-gradient(135deg, #7f00ff 0%, #e100ff 100%);
  --grad-surface: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);

  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 35px rgba(0, 242, 254, 0.15);
  --shadow-glow-purple: 0 0 35px rgba(127, 0, 255, 0.2);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Ambient Orbs */
.bg-ambient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.orb-1 {
  position: absolute;
  top: -150px;
  right: 10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(80px);
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-2 {
  position: absolute;
  top: 40%;
  left: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(127, 0, 255, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
  filter: blur(90px);
  animation: floatOrb 22s ease-in-out infinite alternate-reverse;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(60px, 40px) scale(1.1); }
  100% { transform: translate(-40px, 80px) scale(0.95); }
}

/* Typography & Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-purple {
  background: var(--grad-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

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

/* Glassmorphism Components */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.18);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-glow {
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.15);
}

.badge-purple {
  background: rgba(127, 0, 255, 0.1);
  border: 1px solid rgba(127, 0, 255, 0.3);
  color: #c084fc;
}

.badge-green {
  background: rgba(0, 245, 160, 0.1);
  border: 1px solid rgba(0, 245, 160, 0.3);
  color: var(--accent-green);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
}

.btn-primary {
  background: var(--grad-primary);
  color: #07090e;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.btn-outline-glow {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.4);
}

.btn-outline-glow:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.25);
}

/* Header & Navigation */
.header-nav {
  position: sticky;
  top: 0;
  width: 100%;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 100;
  padding: 16px 0;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #07090e;
  font-size: 1.25rem;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Hero Section */
.hero-section {
  padding: 90px 0 80px;
  text-align: center;
  position: relative;
}

.hero-title {
  font-size: 3.5rem;
  margin: 24px auto 20px;
  max-width: 900px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.2rem;
  max-width: 680px;
  margin: 0 auto 36px;
  color: var(--text-secondary);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.trust-badges {
  margin-top: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
}

.trust-item svg {
  color: var(--accent-green);
}

/* Interactive Preview Sandbox Mockup */
.preview-sandbox {
  margin-top: 50px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(13, 17, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), var(--shadow-glow);
}

.sandbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.browser-dots {
  display: flex;
  gap: 8px;
}

.browser-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.sandbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  text-align: left;
}

.prompt-box {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.prompt-textarea {
  background: transparent;
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  resize: none;
  outline: none;
  min-height: 100px;
}

.model-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.video-mockup-display {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.video-mockup-display img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-overlay {
  position: absolute;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: var(--transition-fast);
}

.video-play-overlay:hover {
  transform: scale(1.1);
  background: var(--accent-cyan);
  color: #07090e;
}

/* Features & Models Grid */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 2.4rem;
  margin: 12px 0 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.model-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.model-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow: var(--shadow-glow);
}

.model-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.model-card h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.model-card p {
  font-size: 0.925rem;
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.feature-list li svg {
  color: var(--accent-cyan);
  flex-shrink: 0;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.featured {
  border-color: rgba(0, 242, 254, 0.5);
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.06) 0%, rgba(18, 24, 38, 0.9) 100%);
  box-shadow: 0 10px 40px rgba(0, 242, 254, 0.15);
  transform: scale(1.03);
}

.pricing-ribbon {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--grad-primary);
  color: #07090e;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.price-nominal {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  color: #fff;
  margin: 20px 0 6px;
}

.price-sub {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pricing-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 32px;
}

.pricing-perks li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.payment-methods-strip {
  margin-top: 40px;
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  text-align: center;
}

.payment-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 14px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.payment-badge-tag {
  background: rgba(255, 255, 255, 0.06);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Legal Documents & Content Pages */
.legal-page-header {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 40px;
}

.legal-content {
  max-width: 880px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.legal-content h2 {
  font-size: 1.6rem;
  margin: 36px 0 16px;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 8px;
}

.legal-content h3 {
  font-size: 1.25rem;
  margin: 24px 0 12px;
  color: var(--accent-cyan);
}

.legal-content p, .legal-content li {
  font-size: 0.975rem;
  line-height: 1.75;
  color: #cbd5e1;
  margin-bottom: 14px;
}

.legal-content ul, .legal-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

/* Footer */
.footer {
  margin-top: 100px;
  background: #040508;
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.925rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 18px;
  color: #fff;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Mobile Responsive */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .sandbox-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .nav-links {
    display: none;
  }
  .pricing-card.featured {
    transform: none;
  }
}

@media (max-width: 600px) {
  .hero-title {
    font-size: 2.1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .legal-content {
    padding: 24px;
  }
}