/* ===================================
   Centaura AI - Modern Landing Page
   Version 2.0
   =================================== */

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

:root {
  /* Colors */
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --primary-darker: #3730a3;
  --primary-glow: rgba(99, 102, 241, 0.4);

  --accent: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0891b2;

  --success: #10b981;
  --warning: #f59e0b;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --gray-950: #030712;

  --white: #ffffff;
  --black: #000000;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-primary-reverse: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  --gradient-accent: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  --gradient-dark: linear-gradient(180deg, var(--gray-900) 0%, var(--gray-950) 100%);
  --gradient-hero: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.12) 0%, transparent 70%);
  --gradient-mesh:
    radial-gradient(at 40% 20%, rgba(99, 102, 241, 0.08) 0px, transparent 50%),
    radial-gradient(at 80% 0%, rgba(6, 182, 212, 0.06) 0px, transparent 50%),
    radial-gradient(at 0% 50%, rgba(99, 102, 241, 0.05) 0px, transparent 50%),
    radial-gradient(at 80% 50%, rgba(6, 182, 212, 0.05) 0px, transparent 50%),
    radial-gradient(at 0% 100%, rgba(99, 102, 241, 0.06) 0px, transparent 50%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;

  /* Effects */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-2xl: 36px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --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);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px var(--primary-glow);
  --shadow-glow-lg: 0 0 60px var(--primary-glow);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-slower: 600ms ease;
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-600);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

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

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  color: var(--gray-600);
}

.text-lg {
  font-size: 1.125rem;
  line-height: 1.75;
}

.text-xl {
  font-size: 1.25rem;
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Layout */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-lg {
  padding: var(--space-32) 0;
}

/* ===================================
   Navbar
   =================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-4) 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

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

.navbar-logo img {
  height: 38px;
  width: auto;
  transition: transform var(--transition-base);
}

.navbar-logo:hover img {
  transform: scale(1.05);
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition-fast);
}

.navbar-link:hover {
  color: var(--primary);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: var(--space-32);
  padding-bottom: var(--space-20);
  background: var(--gradient-mesh);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-hero);
  animation: rotate 30s linear infinite;
  pointer-events: none;
}

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

.hero-content {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-5);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--space-8);
  box-shadow: var(--shadow-sm);
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { opacity: 0.8; transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
}

.hero h1 {
  margin-bottom: var(--space-6);
}

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

.hero-description {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--gray-600);
  margin-bottom: var(--space-6);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.hero-subtext {
  font-size: 1rem;
  color: var(--gray-500);
  margin-bottom: var(--space-10);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  justify-content: center;
  flex-wrap: wrap;
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-200);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: var(--space-1);
}

/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-8);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-lg {
  padding: var(--space-5) var(--space-10);
  font-size: 1.0625rem;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-lg), 0 0 0 0 var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-white:hover {
  background: var(--gray-50);
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* ===================================
   Preview Section
   =================================== */
.preview {
  padding: 0 0 var(--space-24);
  position: relative;
}

.preview-card {
  background: var(--gradient-dark);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  position: relative;
  overflow: hidden;
}

.preview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

.preview-card::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%);
  pointer-events: none;
}

.preview-images {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.preview-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transition: transform var(--transition-slow);
}

.preview-image:nth-child(1) { transform: translateY(24px) rotate(-1deg); }
.preview-image:nth-child(2) { transform: translateY(0) scale(1.02); z-index: 2; }
.preview-image:nth-child(3) { transform: translateY(48px) rotate(1deg); }

.preview-image:hover {
  transform: translateY(-12px) scale(1.03) rotate(0deg);
  z-index: 10;
}

.preview-image img {
  width: 100%;
  height: auto;
}

/* ===================================
   Trusted By / Logos Section
   =================================== */
.trusted {
  padding: var(--space-16) 0;
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.trusted-content {
  text-align: center;
}

.trusted-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-8);
}

.trusted-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  flex-wrap: wrap;
  opacity: 0.6;
}

.trusted-logo {
  height: 32px;
  width: auto;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

.trusted-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

/* ===================================
   Features Section
   =================================== */
.features {
  background: var(--white);
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-500);
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.feature-card {
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

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

.feature-card:hover {
  background: var(--white);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-xl);
  transform: translateY(-6px);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.feature-card h3 {
  margin-bottom: var(--space-4);
  font-size: 1.375rem;
}

.feature-card > p {
  margin-bottom: var(--space-6);
  flex-grow: 1;
  line-height: 1.7;
  color: var(--gray-600);
}

.feature-list {
  list-style: none;
  margin-bottom: var(--space-8);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  font-size: 0.9375rem;
  color: var(--gray-600);
}

.feature-list-icon {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-image {
  margin-top: auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-200);
}

.feature-image img {
  width: 100%;
  transition: transform var(--transition-slow);
}

.feature-card:hover .feature-image img {
  transform: scale(1.03);
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
  background: var(--gray-50);
  position: relative;
}

.how-it-works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-300), transparent);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 48px;
  left: 15%;
  right: 15%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent-light));
  opacity: 0.3;
}

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

.step-number {
  width: 96px;
  height: 96px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.step-card:hover .step-number {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: var(--primary);
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.step-card h4 {
  margin-bottom: var(--space-3);
  font-size: 1.25rem;
}

.step-card p {
  font-size: 0.9375rem;
  color: var(--gray-500);
  max-width: 280px;
  margin: 0 auto;
}

/* ===================================
   Benefits Section
   =================================== */
.benefits {
  background: var(--white);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.benefit-card {
  text-align: center;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.benefit-card:hover {
  background: var(--white);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
  color: var(--white);
}

.benefit-card h4 {
  margin-bottom: var(--space-2);
}

.benefit-card p {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* ===================================
   CTA Section
   =================================== */
.cta-section {
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.1) 0%, transparent 40%),
    radial-gradient(circle at 70% 70%, rgba(255,255,255,0.08) 0%, transparent 40%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-logo {
  height: 80px;
  width: auto;
  margin: 0 auto var(--space-8);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--space-4);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.25rem;
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--gradient-dark);
  color: var(--white);
  padding: var(--space-24) 0 var(--space-8);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200%;
  height: 100%;
  background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
}

.footer-brand {
  max-width: 320px;
}

.footer-logo {
  height: 48px;
  width: auto;
  margin-bottom: var(--space-6);
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 20px;
  height: 20px;
  color: var(--white);
}

.footer-column h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-6);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  position: relative;
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  .features-grid {
    gap: var(--space-6);
  }

  .feature-card {
    padding: var(--space-8);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: span 2;
    max-width: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-16) 0;
  }

  .section-lg {
    padding: var(--space-20) 0;
  }

  .navbar-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--space-24) + 60px);
    padding-bottom: var(--space-12);
  }

  .hero-description {
    font-size: 1.1rem;
  }

  .hero-stats {
    gap: var(--space-8);
  }

  .hero-stat-value {
    font-size: 1.75rem;
  }

  .preview-images {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .preview-image:nth-child(1),
  .preview-image:nth-child(2),
  .preview-image:nth-child(3) {
    transform: none;
  }

  .preview-card {
    padding: var(--space-6);
    border-radius: var(--radius-xl);
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: span 1;
  }

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

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .feature-card {
    padding: var(--space-6);
  }

  .feature-icon {
    width: 56px;
    height: 56px;
  }

  .feature-icon svg {
    width: 28px;
    height: 28px;
  }

  .step-number {
    width: 80px;
    height: 80px;
    font-size: 1.75rem;
  }

  .cta-buttons {
    flex-direction: column;
  }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }