/*
Theme Name: AI 3D SaaS
Theme URI: https://example.com/ai-3d-saas
Author: Your Name
Author URI: https://example.com
Description: A modern AI-powered 3D SaaS single-page WordPress theme with smooth scrolling, interactive 3D elements, and a clean white aesthetic. Built for AI startups and tech companies.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ai-3d-saas
Tags: one-page, custom-logo, custom-menu, featured-images, threecols, translation-ready
*/

/* ============================================
   CSS CUSTOM PROPERTIES / DESIGN TOKENS
   ============================================ */
:root {
  /* Colors */
  --ai-white: #ffffff;
  --ai-bg: #f8f9fc;
  --ai-bg-alt: #f0f2f8;
  --ai-text-primary: #0f172a;
  --ai-text-secondary: #475569;
  --ai-text-muted: #94a3b8;
  --ai-accent: #6366f1;
  --ai-accent-light: #818cf8;
  --ai-accent-dark: #4f46e5;
  --ai-accent-glow: rgba(99, 102, 241, 0.15);
  --ai-accent-glow-strong: rgba(99, 102, 241, 0.3);
  --ai-cyan: #06b6d4;
  --ai-emerald: #10b981;
  --ai-border: #e2e8f0;
  --ai-border-light: #f1f5f9;
  --ai-card-bg: #ffffff;
  --ai-card-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
  --ai-card-shadow-hover: 0 8px 40px rgba(99, 102, 241, 0.12);
  
  /* Typography */
  --ai-font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ai-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ai-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --ai-section-pad: 120px;
  --ai-container: 1200px;
  
  /* Transitions */
  --ai-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ai-transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Border Radius */
  --ai-radius-sm: 8px;
  --ai-radius: 12px;
  --ai-radius-lg: 20px;
  --ai-radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
}

body {
  font-family: var(--ai-font-body);
  color: var(--ai-text-primary);
  background: var(--ai-white);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.ai-container {
  max-width: var(--ai-container);
  margin: 0 auto;
  padding: 0 24px;
}

.ai-section {
  padding: var(--ai-section-pad) 0;
  position: relative;
}

.ai-section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 72px;
}

.ai-section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--ai-accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ai-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.ai-section-title {
  font-family: var(--ai-font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--ai-text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.ai-section-subtitle {
  font-size: 1.125rem;
  color: var(--ai-text-secondary);
  line-height: 1.7;
}

.ai-gradient-text {
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   BUTTONS
   ============================================ */
.ai-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--ai-radius);
  font-family: var(--ai-font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ai-transition);
  position: relative;
  overflow: hidden;
}

.ai-btn-primary {
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.ai-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.ai-btn-secondary {
  background: var(--ai-white);
  color: var(--ai-text-primary);
  border: 1.5px solid var(--ai-border);
}

.ai-btn-secondary:hover {
  border-color: var(--ai-accent);
  color: var(--ai-accent);
  transform: translateY(-2px);
}

.ai-btn-ghost {
  background: transparent;
  color: var(--ai-accent);
  padding: 14px 20px;
}

.ai-btn-ghost:hover {
  background: var(--ai-accent-glow);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.ai-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--ai-transition);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.ai-header.scrolled {
  padding: 10px 0;
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.ai-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.ai-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-cyan));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.ai-logo-icon::after {
  content: '';
  width: 14px;
  height: 14px;
  background: var(--ai-white);
  border-radius: 4px;
  transform: rotate(45deg);
}

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

.ai-nav a {
  padding: 8px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ai-text-secondary);
  border-radius: var(--ai-radius-sm);
  transition: all var(--ai-transition);
}

.ai-nav a:hover,
.ai-nav a.active {
  color: var(--ai-accent);
  background: var(--ai-accent-glow);
}

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

.ai-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ai-text-primary);
}

.ai-mobile-toggle svg {
  width: 24px;
  height: 24px;
}

.ai-mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--ai-white);
  z-index: 999;
  padding: 100px 24px 40px;
  flex-direction: column;
  gap: 8px;
}

.ai-mobile-menu.open {
  display: flex;
}

.ai-mobile-menu a {
  padding: 16px 20px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: var(--ai-radius);
  color: var(--ai-text-primary);
}

.ai-mobile-menu a:hover {
  background: var(--ai-accent-glow);
  color: var(--ai-accent);
}

/* ============================================
   HERO SECTION
   ============================================ */
.ai-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}

.ai-hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black, transparent);
}

.ai-hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
}

.ai-hero-glow-1 {
  top: -100px;
  right: -100px;
  background: var(--ai-accent-glow-strong);
}

.ai-hero-glow-2 {
  bottom: -200px;
  left: -200px;
  background: rgba(6, 182, 212, 0.15);
}

.ai-hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ai-hero-content {
  max-width: 580px;
}

.ai-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--ai-accent-glow);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ai-accent);
  margin-bottom: 28px;
  animation: ai-fadeUp 0.8s ease-out;
}

.ai-hero-badge .pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--ai-emerald);
  border-radius: 50%;
  animation: ai-pulse 2s ease-in-out infinite;
}

.ai-hero-title {
  font-family: var(--ai-font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  animation: ai-fadeUp 0.8s ease-out 0.1s backwards;
}

.ai-hero-desc {
  font-size: 1.15rem;
  color: var(--ai-text-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 480px;
  animation: ai-fadeUp 0.8s ease-out 0.2s backwards;
}

.ai-hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: ai-fadeUp 0.8s ease-out 0.3s backwards;
}

.ai-hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 56px;
  animation: ai-fadeUp 0.8s ease-out 0.4s backwards;
}

.ai-hero-stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.ai-hero-stat-label {
  font-size: 0.85rem;
  color: var(--ai-text-muted);
  margin-top: 4px;
}

/* 3D Canvas Wrapper */
.ai-hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

#hero-canvas {
  width: 100%;
  height: 100%;
  border-radius: var(--ai-radius-xl);
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.ai-features {
  background: var(--ai-bg);
}

.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ai-feature-card {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-border-light);
  border-radius: var(--ai-radius-lg);
  padding: 40px 32px;
  transition: all var(--ai-transition);
  position: relative;
  overflow: hidden;
}

.ai-feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ai-accent), var(--ai-cyan));
  opacity: 0;
  transition: opacity var(--ai-transition);
}

.ai-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ai-card-shadow-hover);
  border-color: transparent;
}

.ai-feature-card:hover::before {
  opacity: 1;
}

.ai-feature-icon {
  width: 52px;
  height: 52px;
  background: var(--ai-accent-glow);
  border-radius: var(--ai-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--ai-accent);
  transition: all var(--ai-transition);
}

.ai-feature-card:hover .ai-feature-icon {
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-dark));
  color: #fff;
  transform: scale(1.1);
}

.ai-feature-icon svg {
  width: 24px;
  height: 24px;
}

.ai-feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.ai-feature-desc {
  font-size: 0.95rem;
  color: var(--ai-text-secondary);
  line-height: 1.7;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.ai-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  position: relative;
}

.ai-steps-grid::before {
  content: '';
  position: absolute;
  top: 52px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ai-accent), var(--ai-cyan), transparent);
  opacity: 0.3;
}

.ai-step {
  text-align: center;
  position: relative;
}

.ai-step-number {
  width: 64px;
  height: 64px;
  margin: 0 auto 28px;
  background: var(--ai-white);
  border: 2px solid var(--ai-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--ai-accent);
  position: relative;
  z-index: 1;
  transition: all var(--ai-transition);
}

.ai-step:hover .ai-step-number {
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-dark));
  color: #fff;
  border-color: transparent;
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.3);
}

.ai-step-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.ai-step-desc {
  font-size: 0.95rem;
  color: var(--ai-text-secondary);
  line-height: 1.7;
  max-width: 300px;
  margin: 0 auto;
}

/* ============================================
   PRICING SECTION
   ============================================ */
.ai-pricing {
  background: var(--ai-bg);
}

.ai-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.ai-pricing-card {
  background: var(--ai-card-bg);
  border: 1.5px solid var(--ai-border-light);
  border-radius: var(--ai-radius-lg);
  padding: 44px 36px;
  position: relative;
  transition: all var(--ai-transition);
  display: flex;
  flex-direction: column;
}

.ai-pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--ai-card-shadow);
}

.ai-pricing-card.featured {
  border-color: var(--ai-accent);
  box-shadow: 0 8px 40px rgba(99, 102, 241, 0.12);
}

.ai-pricing-card.featured:hover {
  box-shadow: 0 12px 50px rgba(99, 102, 241, 0.2);
}

.ai-pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 20px;
  background: linear-gradient(135deg, var(--ai-accent), var(--ai-accent-dark));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ai-pricing-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ai-text-secondary);
  margin-bottom: 8px;
}

.ai-pricing-price {
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 4px;
}

.ai-pricing-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--ai-text-muted);
}

.ai-pricing-desc {
  font-size: 0.9rem;
  color: var(--ai-text-muted);
  margin-bottom: 32px;
}

.ai-pricing-features {
  flex: 1;
  margin-bottom: 32px;
}

.ai-pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.92rem;
  color: var(--ai-text-secondary);
  border-bottom: 1px solid var(--ai-border-light);
}

.ai-pricing-features li:last-child {
  border-bottom: none;
}

.ai-pricing-features .check {
  width: 20px;
  height: 20px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ai-emerald);
}

.ai-pricing-features .check svg {
  width: 12px;
  height: 12px;
}

.ai-pricing-card .ai-btn {
  width: 100%;
}

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.ai-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ai-testimonial-card {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-border-light);
  border-radius: var(--ai-radius-lg);
  padding: 36px 32px;
  transition: all var(--ai-transition);
}

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

.ai-testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  color: #fbbf24;
}

.ai-testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.ai-testimonial-text {
  font-size: 1rem;
  color: var(--ai-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.ai-testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.ai-testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ai-accent-glow), rgba(6, 182, 212, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ai-accent);
}

.ai-testimonial-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.ai-testimonial-role {
  font-size: 0.82rem;
  color: var(--ai-text-muted);
}

/* ============================================
   CONTACT / CTA SECTION
   ============================================ */
.ai-contact {
  background: var(--ai-bg);
}

.ai-contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.ai-contact-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.ai-contact-info p {
  font-size: 1rem;
  color: var(--ai-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.ai-contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ai-contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ai-contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--ai-accent-glow);
  border-radius: var(--ai-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ai-accent);
  flex-shrink: 0;
}

.ai-contact-item-icon svg {
  width: 20px;
  height: 20px;
}

.ai-contact-item-label {
  font-size: 0.82rem;
  color: var(--ai-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.ai-contact-item-value {
  font-weight: 600;
  font-size: 0.95rem;
}

.ai-contact-form {
  background: var(--ai-card-bg);
  border: 1px solid var(--ai-border-light);
  border-radius: var(--ai-radius-lg);
  padding: 40px;
}

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

.ai-form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ai-text-primary);
}

.ai-form-input,
.ai-form-textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid var(--ai-border);
  border-radius: var(--ai-radius);
  font-family: var(--ai-font-body);
  font-size: 0.95rem;
  color: var(--ai-text-primary);
  background: var(--ai-white);
  transition: all var(--ai-transition);
  outline: none;
}

.ai-form-input:focus,
.ai-form-textarea:focus {
  border-color: var(--ai-accent);
  box-shadow: 0 0 0 4px var(--ai-accent-glow);
}

.ai-form-textarea {
  min-height: 140px;
  resize: vertical;
}

.ai-contact-form .ai-btn {
  width: 100%;
}

/* ============================================
   FOOTER
   ============================================ */
.ai-footer {
  background: var(--ai-text-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 32px;
}

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

.ai-footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.ai-footer-title {
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.ai-footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 0.9rem;
  transition: color var(--ai-transition);
}

.ai-footer-links a:hover {
  color: #fff;
}

.ai-footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.ai-footer-social {
  display: flex;
  gap: 16px;
}

.ai-footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--ai-transition);
}

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

.ai-footer-social svg {
  width: 18px;
  height: 18px;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes ai-fadeUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes ai-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

@keyframes ai-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

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

/* Scroll-triggered fade-in */
.ai-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.ai-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --ai-section-pad: 80px;
  }

  .ai-hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .ai-hero-content {
    max-width: 100%;
  }

  .ai-hero-desc {
    max-width: 100%;
  }

  .ai-hero-actions {
    justify-content: center;
  }

  .ai-hero-stats {
    justify-content: center;
  }

  .ai-hero-visual {
    max-width: 480px;
    margin: 0 auto;
  }

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

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

  .ai-steps-grid::before {
    display: none;
  }

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

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

@media (max-width: 768px) {
  :root {
    --ai-section-pad: 60px;
  }

  .ai-nav {
    display: none;
  }

  .ai-header-actions .ai-btn {
    display: none;
  }

  .ai-mobile-toggle {
    display: block;
  }

  .ai-features-grid,
  .ai-steps-grid,
  .ai-pricing-grid,
  .ai-testimonials-grid {
    grid-template-columns: 1fr;
  }

  .ai-footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .ai-footer-bottom {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .ai-hero-stats {
    gap: 24px;
  }
}