/* ==========================================================================
   Electric Utility Management Platform - Marketing Site Styles
   Modern, Professional, Responsive Design
   ========================================================================== */

/* CSS Variables - Design System */
:root {
  /* Primary Colors */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  /* Secondary Colors - Electric/Cyber */
  --secondary-50: #f0fdf4;
  --secondary-100: #dcfce7;
  --secondary-500: #22c55e;
  --secondary-600: #16a34a;
  --secondary-700: #15803d;

  /* Accent Colors */
  --accent-orange: #f97316;
  --accent-amber: #f59e0b;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;

  /* Neutral Colors */
  --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;

  /* Semantic Colors */
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-dark: #0f172a;

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

  /* 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: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

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

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

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

ul, ol {
  list-style: none;
}

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

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

@media (max-width: 768px) {
  h1 { font-size: var(--text-4xl); }
  h2 { font-size: var(--text-3xl); }
  h3 { font-size: var(--text-2xl); }
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.container-narrow {
  max-width: 1024px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background: white;
  color: var(--text-primary);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--text-primary);
}

.btn-large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

/* Cards */
.card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--gray-100);
}

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

.card-dark {
  background: var(--bg-dark);
  border-color: var(--gray-800);
  color: white;
}

/* Feature Cards */
.feature-card {
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-cyan));
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-2xl);
}

.feature-icon-blue {
  background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
  color: var(--primary-700);
}

.feature-icon-green {
  background: linear-gradient(135deg, var(--secondary-100), var(--secondary-200));
  color: var(--secondary-700);
}

.feature-icon-orange {
  background: linear-gradient(135deg, #ffedd5, #fed7aa);
  color: var(--accent-orange);
}

.feature-icon-purple {
  background: linear-gradient(135deg, #ede9fe, #ddd6fe);
  color: var(--accent-purple);
}

/* Section Styles */
.section {
  padding: var(--space-24) 0;
}

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

.section-gradient {
  background: linear-gradient(180deg, var(--primary-50) 0%, white 100%);
}

.section-header {
  text-align: center;
  max-width: 768px;
  margin: 0 auto var(--space-16);
}

.section-label {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.section-description {
  font-size: var(--text-xl);
  color: var(--text-secondary);
}

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

/* Grid Layouts */
.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);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

.header-scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xl);
}

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

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

.nav-link {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-600);
  transition: width var(--transition-fast);
}

.nav-link:hover::after {
  width: 100%;
}

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

.mobile-menu-btn {
  display: none;
  padding: var(--space-2);
  font-size: var(--text-2xl);
}

@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
}

/* Hero Section */
.hero {
  position: relative;
  padding: calc(72px + var(--space-24)) 0 var(--space-24);
  overflow: hidden;
}

.hero-gradient {
  background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 50%, #0f172a 100%);
  color: white;
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-6);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: var(--text-6xl);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}

.hero-description {
  font-size: var(--text-xl);
  color: var(--gray-300);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

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

.hero-stats {
  display: flex;
  gap: var(--space-10);
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: var(--text-3xl);
  font-weight: 800;
  color: white;
}

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

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

.hero-image {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-card {
  position: absolute;
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-xl);
  animation: float 3s ease-in-out infinite;
}

.floating-card-1 {
  top: 10%;
  right: -20px;
  animation-delay: 0s;
}

.floating-card-2 {
  bottom: 20%;
  left: -30px;
  animation-delay: 1.5s;
}

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

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta {
    justify-content: center;
  }
  .hero-stats {
    justify-content: center;
  }
  .hero-visual {
    order: -1;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: var(--text-4xl);
  }
  .hero-cta {
    flex-direction: column;
  }
  .hero-stats {
    flex-direction: column;
    gap: var(--space-6);
  }
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.stat-card {
  text-align: center;
  padding: var(--space-6);
}

.stat-value {
  font-size: var(--text-4xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-base);
  color: var(--text-secondary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* Integration Logos */
.integrations-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
  align-items: center;
}

.integration-logo {
  height: 48px;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: all var(--transition-base);
}

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

/* Testimonials */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.testimonial-card {
  position: relative;
}

.testimonial-quote {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
  font-style: italic;
}

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

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
}

.testimonial-name {
  font-weight: 600;
  color: var(--text-primary);
}

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

@media (max-width: 768px) {
  .testimonial-grid {
    grid-template-columns: 1fr;
  }
}

/* CTA Section */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
}

.cta-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.4'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
  position: relative;
  text-align: center;
  color: white;
}

.cta-title {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.cta-description {
  font-size: var(--text-xl);
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

.btn-white {
  background: white;
  color: var(--primary-700);
}

.btn-white:hover {
  background: var(--gray-100);
}

.btn-outline-white {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

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

/* Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
  font-size: var(--text-xl);
  color: white;
  margin-bottom: var(--space-4);
}

.footer-description {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-lg);
  background: var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary-600);
  color: white;
}

.footer-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: white;
  margin-bottom: var(--space-4);
}

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

.footer-link {
  font-size: var(--text-base);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: var(--space-8);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }
}

/* Feature Page Styles */
.page-header {
  padding: calc(72px + var(--space-16)) 0 var(--space-12);
  background: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-800) 100%);
  color: white;
}

.page-header-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.page-header-label {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.page-header-title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-4);
}

.page-header-description {
  font-size: var(--text-xl);
  color: var(--gray-300);
}

/* Feature Detail */
.feature-detail {
  padding: var(--space-20) 0;
}

.feature-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.feature-detail-grid.reverse {
  direction: rtl;
}

.feature-detail-grid.reverse > * {
  direction: ltr;
}

.feature-detail-content {
  max-width: 520px;
}

.feature-detail-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.feature-detail-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.feature-detail-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

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

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

.feature-list-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-sm);
}

.feature-detail-visual {
  position: relative;
}

.feature-detail-image {
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
}

@media (max-width: 1024px) {
  .feature-detail-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }
  .feature-detail-grid.reverse {
    direction: ltr;
  }
  .feature-detail-content {
    max-width: 100%;
  }
}

/* Capabilities Grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.capability-card {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-6);
}

.capability-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: var(--text-xl);
}

.capability-content h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.capability-content p {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.pricing-card {
  padding: var(--space-8);
  text-align: center;
}

.pricing-card.featured {
  position: relative;
  border: 2px solid var(--primary-500);
  transform: scale(1.05);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-4);
  background: var(--primary-600);
  color: white;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
}

.pricing-name {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

.pricing-description {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.pricing-price {
  font-size: var(--text-5xl);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-6);
}

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

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  text-align: left;
}

.pricing-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
}

.pricing-feature-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--secondary-100);
  color: var(--secondary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  flex-shrink: 0;
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }
  .pricing-card.featured {
    transform: none;
  }
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-item {
  display: flex;
  gap: var(--space-4);
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: var(--primary-100);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}

.contact-item p {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.contact-form {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

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

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-family: inherit;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: white;
  z-index: 99;
  padding: var(--space-6);
  overflow-y: auto;
}

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

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav-link {
  font-size: var(--text-lg);
  font-weight: 500;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--gray-100);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--gray-400);
  margin-bottom: var(--space-4);
}

.breadcrumbs a {
  color: var(--gray-300);
  transition: color var(--transition-fast);
}

.breadcrumbs a:hover {
  color: white;
}

.breadcrumbs-separator {
  opacity: 0.5;
}

/* Animations */
.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-in-left {
  animation: slideInLeft 0.5s ease forwards;
}

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

.slide-in-right {
  animation: slideInRight 0.5s ease forwards;
}

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

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Skip Navigation Link (Accessibility) */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: var(--space-3) var(--space-6);
  background: var(--primary-600);
  color: white;
  font-weight: 600;
  z-index: 9999;
  border-radius: 0 0 var(--radius-md) 0;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Trust Badge Strip */
.trust-strip {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  padding: var(--space-6) 0;
}

.trust-strip-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-8);
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-600);
}

.trust-badge-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary-500), var(--accent-cyan));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
}

/* Animated Stat Counters */
.stat-value[data-target] {
  display: inline-block;
}

/* Pricing Toggle */
.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.pricing-toggle-label {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-secondary);
}

.pricing-toggle-label.active {
  color: var(--text-primary);
}

.toggle-switch {
  position: relative;
  width: 56px;
  height: 28px;
  background: var(--gray-300);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-base);
  border: none;
}

.toggle-switch.annual {
  background: var(--primary-600);
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: white;
  border-radius: 50%;
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.toggle-switch.annual::after {
  transform: translateX(28px);
}

.pricing-savings-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--secondary-100);
  color: var(--secondary-700);
  font-size: var(--text-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pricing-savings-badge.visible {
  opacity: 1;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none; }
.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;
}

/* ==========================================================================
   Process / How-It-Works Steps
   ========================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: step;
}

.process-step {
  position: relative;
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.process-step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 800;
  box-shadow: var(--shadow-lg);
  counter-increment: step;
}

.process-step-number::before {
  content: counter(step);
}

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

.process-step p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

@media (max-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FAQ Accordion
   ========================================================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.faq-item {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.faq-item:hover {
  border-color: var(--primary-300);
}

.faq-item.open {
  border-color: var(--primary-400);
  box-shadow: var(--shadow-md);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-5) var(--space-6);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-600);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  font-weight: 700;
  transition: transform var(--transition-base), background var(--transition-base);
  margin-left: var(--space-4);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--primary-600);
  color: white;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
  padding: 0 var(--space-6);
}

.faq-item.open .faq-answer {
  max-height: 400px;
  padding-bottom: var(--space-5);
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   Comparison Table
   ========================================================================== */
.comparison-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  min-width: 640px;
}

.comparison-table thead th {
  padding: var(--space-5) var(--space-4);
  font-size: var(--text-base);
  text-align: center;
  background: var(--gray-50);
  border-bottom: 2px solid var(--gray-200);
}

.comparison-table thead th:first-child {
  text-align: left;
  width: 40%;
}

.comparison-table thead .col-highlight {
  background: var(--primary-600);
  color: white;
  border-bottom-color: var(--primary-700);
}

.comparison-table tbody td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--gray-100);
  text-align: center;
  font-size: var(--text-sm);
}

.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
}

.comparison-table tbody td.col-highlight {
  background: var(--primary-50);
  font-weight: 600;
  color: var(--primary-700);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-check {
  color: var(--secondary-600);
  font-weight: 800;
}

.comparison-x {
  color: var(--gray-400);
}

/* ==========================================================================
   Logo Marquee / Customer Cloud
   ========================================================================== */
.logo-cloud {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-8) var(--space-12);
  opacity: 0.85;
}

.logo-cloud-item {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: -0.02em;
  transition: color var(--transition-base);
}

.logo-cloud-item:hover {
  color: var(--primary-600);
}

/* ==========================================================================
   Benefit / Use-Case Strip
   ========================================================================== */
.benefit-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.benefit-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-200);
}

.benefit-chip-light {
  background: var(--primary-50);
  border-color: var(--primary-100);
  color: var(--primary-700);
}

.benefit-chip .chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary-500);
  flex-shrink: 0;
}

/* ==========================================================================
   Guarantee Badge
   ========================================================================== */
.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--secondary-100);
  color: var(--secondary-700);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-6);
}

/* ==========================================================================
   Footer Newsletter
   ========================================================================== */
.footer-newsletter {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  max-width: 320px;
}

.footer-newsletter input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--gray-800);
  border: 1px solid var(--gray-700);
  border-radius: var(--radius-lg);
  color: white;
  font-size: var(--text-sm);
  font-family: inherit;
}

.footer-newsletter input::placeholder {
  color: var(--gray-400);
}

.footer-newsletter input:focus {
  outline: none;
  border-color: var(--primary-500);
}

.footer-newsletter button {
  flex-shrink: 0;
  padding: var(--space-3) var(--space-4);
  background: var(--primary-600);
  color: white;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: var(--text-sm);
  transition: background var(--transition-fast);
}

.footer-newsletter button:hover {
  background: var(--primary-500);
}

/* ==========================================================================
   Reduced Motion Preference
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Focus-Visible Accessibility Styles
   ========================================================================== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.btn:focus-visible {
  outline-offset: 4px;
}

.faq-question:focus-visible {
  outline-offset: -2px;
}

/* ==========================================================================
   Back-to-Top Button
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  background: var(--primary-600);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity var(--transition-base), visibility var(--transition-base),
              transform var(--transition-base), background var(--transition-fast);
  z-index: 90;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-700);
  transform: translateY(-4px);
}

@media (max-width: 640px) {
  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
  }
}

/* ==========================================================================
   Testimonial Star Rating
   ========================================================================== */
.testimonial-rating {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-4);
  color: var(--accent-amber);
  font-size: var(--text-lg);
  letter-spacing: 1px;
}

/* ==========================================================================
   Scroll Progress Bar
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-500), var(--accent-cyan));
  width: 0%;
  z-index: 101;
  transition: width 0.1s ease;
}

/* ==========================================================================
   Staggered Reveal Delays
   ========================================================================== */
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }
.reveal[data-delay="5"] { transition-delay: 0.5s; }
.reveal[data-delay="6"] { transition-delay: 0.6s; }

/* ==========================================================================
   Use Case / Industry Cards
   ========================================================================== */
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.usecase-card {
  text-align: center;
  padding: var(--space-8) var(--space-5);
}

.usecase-icon {
  font-size: 40px;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.usecase-card h4 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.usecase-card p {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .usecase-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */
@media print {
  .header,
  .mobile-menu,
  .mobile-menu-btn,
  .footer-newsletter,
  .footer-social,
  .back-to-top,
  .scroll-progress,
  .cta-section {
    display: none !important;
  }

  body {
    color: black;
    background: white;
    font-size: 11pt;
  }

  .section {
    padding: var(--space-6) 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid var(--gray-300);
    break-inside: avoid;
  }

  .text-gradient {
    -webkit-text-fill-color: var(--primary-700);
    color: var(--primary-700);
  }

  a {
    text-decoration: underline;
    color: black;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
    font-size: 9pt;
    color: var(--gray-600);
  }
}

/* ==========================================================================
   Media showcase — screenshot & video placeholders
   Replace each .media-frame's placeholder content with a real <img> or
   <video> when captures are available (see assets/screenshots/README.md).
   ========================================================================== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6, 24px);
}
.media-placeholder { margin: 0; }
.media-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border: 2px dashed var(--gray-300, #d1d5db);
  border-radius: 16px;
  background:
    repeating-linear-gradient(45deg, rgba(37, 99, 235, 0.035) 0 14px, transparent 14px 28px),
    var(--gray-50, #f9fafb);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: border-color .2s ease, background-color .2s ease;
  overflow: hidden;
}
.media-placeholder:hover .media-frame { border-color: var(--primary-600, #2563eb); }
.media-frame img, .media-frame video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; border-radius: 14px;
}
.media-icon { font-size: 34px; line-height: 1; }
.media-tag {
  font-size: 11px; font-weight: 800; letter-spacing: 2px;
  color: var(--primary-600, #2563eb);
  background: rgba(37, 99, 235, 0.08);
  padding: 4px 12px; border-radius: 999px;
}
.media-hint { font-size: 12px; color: var(--gray-500, #6b7280); }
.media-play {
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--primary-600, #2563eb);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 22px; padding-left: 5px;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
  margin-bottom: 4px;
}
.media-placeholder figcaption {
  margin-top: 10px; font-size: 13.5px; line-height: 1.45;
  color: var(--text-secondary, #4b5563);
}
.media-placeholder figcaption strong { color: var(--gray-900, #111827); }
@media (max-width: 900px) { .media-grid { grid-template-columns: 1fr; } }