/* ============================================
   CartBack.net — Design System & Styles
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-primary: #1e3a5f;
  --color-primary-dark: #0f1f38;
  --color-primary-light: #2563eb;
  --color-accent: #3b82f6;
  --color-accent-light: #60a5fa;
  --color-secondary: #10b981;
  --color-secondary-dark: #059669;
  --color-cta: #f97316;
  --color-cta-hover: #ea580c;
  --color-dark: #0f172a;
  --color-dark-alt: #1e293b;
  --color-gray-900: #111827;
  --color-gray-800: #1f2937;
  --color-gray-700: #374151;
  --color-gray-600: #4b5563;
  --color-gray-500: #6b7280;
  --color-gray-400: #9ca3af;
  --color-gray-300: #d1d5db;
  --color-gray-200: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-gray-50: #f9fafb;
  --color-white: #ffffff;
  --color-bg: #ffffff;
  --color-bg-alt: #f1f5f9;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-white: #f8fafc;
  --color-border: #e2e8f0;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1e3a5f 0%, #2563eb 100%);
  --gradient-accent: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  --gradient-cta: linear-gradient(135deg, #f97316 0%, #ef4444 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #2563eb 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* 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;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --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-card: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-light);
}

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-dark);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-light);
}

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

.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

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

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

.section-dark {
  background: var(--color-bg-dark);
  color: var(--color-text-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark p {
  color: var(--color-gray-400);
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-header .label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

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

.section-header p {
  font-size: var(--text-lg);
}

.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
  color: var(--color-white);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.3);
}

.btn-accent:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  color: var(--color-white);
}

.btn-cta {
  background: var(--gradient-cta);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

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

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

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

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  color: var(--color-primary);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
}

.btn-icon {
  width: 20px;
  height: 20px;
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-slow);
  background: transparent;
}

.header.scrolled {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo svg {
  width: 36px;
  height: 36px;
}

.logo span.highlight {
  color: var(--color-accent-light);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  cursor: pointer;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-dark);
  z-index: 999;
  padding: calc(var(--header-height) + var(--space-8)) var(--space-6) var(--space-8);
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
}

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

.mobile-menu a {
  display: block;
  color: var(--color-white);
  font-size: var(--text-xl);
  font-weight: 500;
  padding: var(--space-4) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-decoration: none;
}

.mobile-menu .btn {
  margin-top: var(--space-4);
  text-align: center;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: var(--space-6);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero h1 .gradient-text {
  background: linear-gradient(135deg, #60a5fa, #a78bfa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: var(--text-xl);
  color: var(--color-gray-400);
  margin-bottom: var(--space-8);
  max-width: 560px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat .number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.hero-stat .label {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
}

/* --- Page Hero (inner pages) --- */
.page-hero {
  background: var(--gradient-hero);
  padding: calc(var(--header-height) + var(--space-16)) 0 var(--space-16);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero .label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-light);
  margin-bottom: var(--space-3);
}

.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-4);
}

.page-hero p {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  max-width: 600px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.breadcrumb a {
  color: var(--color-gray-400);
}

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

.breadcrumb .separator {
  color: var(--color-gray-600);
}

.breadcrumb .current {
  color: var(--color-accent-light);
}

/* --- Partner / Trust Bar --- */
.trust-bar {
  padding: var(--space-12) 0;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.trust-bar p {
  text-align: center;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-500);
  margin-bottom: var(--space-8);
}

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

.trust-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-gray-400);
  opacity: 0.6;
  transition: opacity var(--transition-base);
}

.trust-logo:hover {
  opacity: 1;
}

.trust-logo svg {
  width: 32px;
  height: 32px;
}

/* --- Cards --- */
.card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent);
}

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

.card-icon.green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-secondary);
}

.card-icon.orange {
  background: rgba(249, 115, 22, 0.1);
  color: var(--color-cta);
}

.card-icon.purple {
  background: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.card-icon.red {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.card-icon.teal {
  background: rgba(20, 184, 166, 0.1);
  color: #14b8a6;
}

.card h3 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.card p {
  font-size: var(--text-base);
  margin-bottom: 0;
}

.card-dark {
  background: var(--color-dark-alt);
  border-color: rgba(255, 255, 255, 0.1);
}

.card-dark h3 {
  color: var(--color-white);
}

.card-dark p {
  color: var(--color-gray-400);
}

/* --- Stats Section --- */
.stats-section {
  background: var(--gradient-dark);
  padding: var(--space-16) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

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

.stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-number .accent {
  color: var(--color-accent-light);
}

.stat-label {
  font-size: var(--text-base);
  color: var(--color-gray-400);
}

/* --- Features / How It Works --- */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-16);
  align-items: center;
}

.feature-content {
  max-width: 500px;
}

.feature-content .label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.feature-content h2 {
  margin-bottom: var(--space-4);
}

.feature-content p {
  font-size: var(--text-lg);
  margin-bottom: var(--space-6);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.feature-list-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.feature-list-item svg {
  width: 24px;
  height: 24px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-list-item span {
  font-size: var(--text-base);
  color: var(--color-text-light);
}

.feature-image {
  position: relative;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(96, 165, 250, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.feature-image-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
}

.feature-image-content svg {
  width: 80px;
  height: 80px;
  margin-bottom: var(--space-4);
  opacity: 0.9;
}

.feature-image-content h3 {
  color: var(--color-white);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-2);
}

.feature-image-content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-base);
}

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: transparent;
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: #fbbf24;
}

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

.testimonial-text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-6);
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-lg);
}

.testimonial-info .name {
  font-weight: 600;
  color: var(--color-dark);
  font-size: var(--text-base);
}

.testimonial-info .role {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* --- CTA Section --- */
.cta-section {
  background: var(--gradient-hero);
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-white);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-bottom: var(--space-4);
}

.cta-content p {
  font-size: var(--text-lg);
  color: var(--color-gray-400);
  margin-bottom: var(--space-8);
}

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

/* --- Process / Steps --- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
  counter-increment: step;
}

.process-step::before {
  content: counter(step, decimal-leading-zero);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 800;
  margin: 0 auto var(--space-5);
  border: 2px solid rgba(59, 130, 246, 0.2);
}

.process-step h4 {
  margin-bottom: var(--space-2);
}

.process-step p {
  font-size: var(--text-sm);
  max-width: 250px;
  margin: 0 auto;
}

/* --- Team Section --- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
}

.team-member {
  text-align: center;
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-3xl);
  color: var(--color-white);
  font-weight: 700;
}

.team-member h4 {
  margin-bottom: var(--space-1);
}

.team-member .role {
  font-size: var(--text-sm);
  color: var(--color-accent);
  font-weight: 500;
}

.team-member p {
  font-size: var(--text-sm);
  margin-top: var(--space-2);
}

/* --- Values --- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.value-card {
  text-align: center;
  padding: var(--space-10);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

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

.value-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-xl);
  margin: 0 auto var(--space-5);
  font-size: var(--text-3xl);
}

.value-icon.blue {
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent);
}

.value-icon.green {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-secondary);
}

.value-icon.purple {
  background: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.value-card h3 {
  margin-bottom: var(--space-3);
}

/* --- Technology Cards --- */
.tech-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: all var(--transition-smooth);
}

.tech-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}

.tech-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.tech-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-white);
  flex-shrink: 0;
}

.tech-card-icon svg {
  width: 24px;
  height: 24px;
}

.tech-card h3 {
  font-size: var(--text-lg);
}

.tech-card p {
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tech-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-light);
}

/* --- Integration Flow --- */
.integration-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.integration-step {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
}

.integration-step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  margin: 0 auto var(--space-4);
}

.integration-step h4 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.integration-step p {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin-bottom: 0;
}

/* --- Security Section --- */
.security-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.security-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-6);
  background: var(--color-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
}

.security-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-secondary);
  flex-shrink: 0;
}

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

.security-item h4 {
  margin-bottom: var(--space-2);
}

.security-item p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.contact-form h3 {
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-control::placeholder {
  color: var(--color-gray-400);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='%236b7280'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.168l3.71-3.938a.75.75 0 111.08 1.04l-4.25 4.5a.75.75 0 01-1.08 0l-4.25-4.5a.75.75 0 01.02-1.06z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(59, 130, 246, 0.1);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
}

.contact-info-card h4 {
  margin-bottom: var(--space-1);
  font-size: var(--text-base);
}

.contact-info-card p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

.contact-info-card a {
  color: var(--color-accent);
  font-weight: 500;
}

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-link {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

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

.social-link svg {
  width: 20px;
  height: 20px;
}

/* --- Footer --- */
.footer {
  background: var(--color-dark);
  color: var(--color-gray-400);
  padding: var(--space-16) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
}

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

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand p {
  font-size: var(--text-sm);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.footer-column h4 {
  color: var(--color-white);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-5);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-sm);
  margin-bottom: 0;
}

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

.footer-legal a {
  color: var(--color-gray-400);
  font-size: var(--text-sm);
}

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

/* --- Legal Pages --- */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
}

.legal-content h2 {
  font-size: var(--text-2xl);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

.legal-content h2:first-child {
  margin-top: 0;
  border-top: none;
  padding-top: 0;
}

.legal-content h3 {
  font-size: var(--text-xl);
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.legal-content p {
  margin-bottom: var(--space-4);
  line-height: 1.8;
}

.legal-content ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content ul li {
  list-style: disc;
  margin-bottom: var(--space-2);
  color: var(--color-text-light);
  line-height: 1.7;
}

.legal-content strong {
  color: var(--color-text);
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
}

.legal-meta {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .feature-grid { gap: var(--space-10); }
  .integration-flow { grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }

  .nav-links,
  .nav-cta .btn {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-6);
  }

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

  .hero-buttons .btn {
    text-align: center;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
  }

  .stat-number {
    font-size: var(--text-3xl);
  }

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

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

  .process-steps {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 0 auto;
  }

  .team-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
    margin: 0 auto;
  }

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

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

  .form-row {
    grid-template-columns: 1fr;
  }

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

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

  .footer-legal {
    justify-content: center;
  }

  .section {
    padding: var(--space-12) 0;
  }

  .section-lg {
    padding: var(--space-16) 0;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .trust-logos {
    gap: var(--space-6);
  }

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

  .integration-flow {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10);
  }
}

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

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

  .hero h1 {
    font-size: var(--text-2xl);
  }

  .hero p {
    font-size: var(--text-base);
  }

  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: var(--text-base);
  }
}

/* --- Utility --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.mb-0 { margin-bottom: 0; }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }