/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Prevent horizontal scrolling */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

/* Ensure all sections stay within viewport */
section {
  max-width: 100vw;
  overflow-x: hidden;
}

/* Prevent any element from causing horizontal scroll */
img, video, iframe {
  max-width: 100%;
  height: auto;
}

:root {
  /* Brand Colors - More refined palette */
  --color-black: #1d1d1f;
  --color-white: #ffffff;
  --color-blue: #0071e3;
  --color-indigo: #5856d6;
  --color-blue-dark: #0077ed;
  --color-indigo-dark: #4a49c4;
  
  /* Neutral Grays - Apple-inspired */
  --color-gray-50: #fafafa;
  --color-gray-100: #f5f5f7;
  --color-gray-200: #e8e8ed;
  --color-gray-300: #d2d2d7;
  --color-gray-400: #86868b;
  --color-gray-500: #6e6e73;
  --color-gray-600: #515154;
  --color-gray-700: #424245;
  --color-gray-800: #2d2d30;
  --color-gray-900: #1d1d1f;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 8rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  --font-size-7xl: 4.5rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* 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);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
}

html {
  scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

.animation-delay-100 {
  animation-delay: 0.1s;
  opacity: 0;
}

.animation-delay-200 {
  animation-delay: 0.2s;
  opacity: 0;
}

.animation-delay-300 {
  animation-delay: 0.3s;
  opacity: 0;
}

.animation-delay-400 {
  animation-delay: 0.4s;
  opacity: 0;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--color-gray-900);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container System */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

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

.container-xl {
  max-width: 1280px;
}

.container-full {
  max-width: 100%;
}

/* Typography */
.heading-xl {
  font-size: var(--font-size-5xl);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--color-gray-900);
}

.heading-lg {
  font-size: var(--font-size-4xl);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-gray-900);
}

.heading-md {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--color-gray-900);
}

.heading-sm {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-gray-900);
}

.text-lg {
  font-size: var(--font-size-lg);
  line-height: 1.47;
  color: var(--color-gray-600);
}

.text-base {
  font-size: var(--font-size-base);
  line-height: 1.47;
  color: var(--color-gray-600);
}

.text-sm {
  font-size: var(--font-size-sm);
  line-height: 1.43;
  color: var(--color-gray-600);
}

.text-xs {
  font-size: var(--font-size-xs);
  line-height: 1.4;
  color: var(--color-gray-600);
}

.font-bold {
  font-weight: 700;
}

.font-semibold {
  font-weight: 600;
}

.font-medium {
  font-weight: 500;
}

.font-normal {
  font-weight: 400;
}

/* Color Utilities */
.text-black {
  color: var(--color-black);
}

.text-white {
  color: var(--color-white);
}

.text-blue {
  color: var(--color-blue);
}

.text-indigo {
  color: var(--color-indigo);
}

.text-gray-500 {
  color: var(--color-gray-500);
}

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

.text-gray-700 {
  color: var(--color-gray-700);
}

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

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

.bg-gray-50 {
  background-color: var(--color-gray-50);
}

.bg-gray-100 {
  background-color: var(--color-gray-100);
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background-color: #1a1a1c;
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background-color: #2a2a2d;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
  background-color: var(--color-gray-900);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-gray-800);
  transform: scale(1.02);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-blue);
  border: 1px solid var(--color-gray-300);
}

.btn-outline:hover {
  background-color: var(--color-gray-100);
  border-color: var(--color-gray-400);
}

.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--font-size-lg);
  border-radius: 10px;
}

.btn-sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-sm);
  border-radius: 6px;
}

/* Layout Utilities */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-col {
  flex-direction: column;
}

.flex-row {
  flex-direction: row;
}

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

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

.justify-between {
  justify-content: space-between;
}

.justify-start {
  justify-content: flex-start;
}

.justify-end {
  justify-content: flex-end;
}

.gap-xs {
  gap: var(--space-xs);
}

.gap-sm {
  gap: var(--space-sm);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.gap-xl {
  gap: var(--space-xl);
}

.gap-2xl {
  gap: var(--space-2xl);
}

/* Spacing Utilities */
.m-auto {
  margin: auto;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mt-3xl { margin-top: var(--space-3xl); }
.mt-4xl { margin-top: var(--space-4xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }
.mb-3xl { margin-bottom: var(--space-3xl); }
.mb-4xl { margin-bottom: var(--space-4xl); }

.py-xs { padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
.py-sm { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.py-lg { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.py-xl { padding-top: var(--space-xl); padding-bottom: var(--space-xl); }
.py-2xl { padding-top: var(--space-2xl); padding-bottom: var(--space-2xl); }
.py-3xl { padding-top: var(--space-3xl); padding-bottom: var(--space-3xl); }
.py-4xl { padding-top: var(--space-4xl); padding-bottom: var(--space-4xl); }

.px-xs { padding-left: var(--space-xs); padding-right: var(--space-xs); }
.px-sm { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }
.px-xl { padding-left: var(--space-xl); padding-right: var(--space-xl); }
.px-2xl { padding-left: var(--space-2xl); padding-right: var(--space-2xl); }

/* Text Alignment */
.text-center {
  text-align: center;
}

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

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

/* Border Utilities */
.border {
  border: 1px solid var(--color-gray-200);
}

.border-t {
  border-top: 1px solid var(--color-gray-200);
}

.border-b {
  border-bottom: 1px solid var(--color-gray-200);
}

.rounded-sm {
  border-radius: var(--radius-sm);
}

.rounded-md {
  border-radius: var(--radius-md);
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

/* Shadow Utilities */
.shadow-sm {
  box-shadow: var(--shadow-sm);
}

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

.shadow-lg {
  box-shadow: var(--shadow-lg);
}

.shadow-xl {
  box-shadow: var(--shadow-xl);
}

/* Display Utilities */
.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.hidden {
  display: none;
}

/* Width Utilities */
.w-full {
  width: 100%;
}

.max-w-full {
  max-width: 100%;
}

/* Height Utilities */
.h-full {
  height: 100%;
}

/* Object Fit */
.object-cover {
  object-fit: cover;
}

.object-contain {
  object-fit: contain;
}

/* Opacity */
.opacity-90 {
  opacity: 0.9;
}

.opacity-80 {
  opacity: 0.8;
}

.opacity-70 {
  opacity: 0.7;
}

.opacity-60 {
  opacity: 0.6;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(90deg, var(--color-blue) 0%, var(--color-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* List Styles */
.check-list {
  list-style: none;
  padding: 0;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.check-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--color-blue);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Use Case Cards */
.use-case-card {
  padding: var(--space-lg) var(--space-xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 12px;
  transition: all var(--transition-base);
  text-align: left;
}

.use-case-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-sm);
  display: block;
  line-height: 1;
}

.use-case-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-gray-900);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.use-case-description {
  font-size: var(--font-size-sm);
  color: var(--color-gray-600);
  line-height: 1.5;
  margin: 0;
}

/* Use Case Detail Page Styles */
.use-case-section {
  position: relative;
}

.use-case-header {
  margin-bottom: var(--space-xl);
}

.use-case-icon-large {
  font-size: 4rem;
  display: block;
  margin-bottom: var(--space-md);
  line-height: 1;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-xl);
}

.use-case-detail-card {
  padding: var(--space-xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 16px;
  transition: all var(--transition-base);
}

.use-case-detail-card:hover {
  border-color: var(--color-blue);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.use-case-detail-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-indigo) 100%);
  color: var(--color-white);
  border-radius: 14px;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.use-case-detail-card:hover .use-case-detail-icon {
  transform: scale(1.05) rotate(5deg);
  box-shadow: 0 8px 16px rgba(0, 113, 227, 0.3);
}

/* Component: Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  transition: all var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 44px;
  padding: var(--space-sm) 0;
}

.logo {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-gray-900);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-gray-600);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 400;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-gray-900);
}

/* Component: Hero Section */
.hero {
  padding-top: 140px;
  padding-bottom: var(--space-3xl);
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-gray-100) 0%, var(--color-white) 100%);
  width: 100%;
  max-width: 100vw;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at top right, rgba(0, 113, 227, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-text > * {
  opacity: 0;
}

.hero-text > h1 {
  animation: fadeInUp 0.8s ease-out 0.1s forwards;
}

.hero-text > p {
  animation: fadeInUp 0.8s ease-out 0.2s forwards;
}

.hero-text > .mb-lg {
  animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.hero-text > .cta-group {
  animation: fadeInUp 0.8s ease-out 0.4s forwards;
}

.hero-image {
  position: relative;
  opacity: 0;
  animation: fadeIn 1s ease-out 0.3s forwards;
}

.hero-image img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
}

.cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Component: Feature Section */
.features {
  padding: var(--space-3xl) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
}

.feature-card {
  padding: var(--space-xl);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: 18px;
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-gray-300);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-100);
  color: var(--color-gray-900);
  border-radius: 12px;
  font-size: var(--font-size-2xl);
  font-weight: 400;
  margin-bottom: var(--space-md);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--color-gray-900);
  color: var(--color-white);
  transform: scale(1.05);
}

/* Component: Showcase Section */
.showcase {
  padding: var(--space-3xl) 0;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-gray-50) 100%);
  width: 100%;
  max-width: 100vw;
  overflow: hidden;
}

.showcase-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.showcase-image {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

.showcase-image::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 18px;
  pointer-events: none;
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 0.875rem;
  background-color: var(--color-gray-100);
  border-radius: 980px;
  font-size: var(--font-size-sm);
  font-weight: 400;
  color: var(--color-gray-700);
  margin-right: var(--space-sm);
  margin-bottom: var(--space-sm);
  border: 1px solid var(--color-gray-200);
}

.stat-badge-accent {
  background-color: rgba(0, 113, 227, 0.08);
  color: var(--color-blue);
  border-color: rgba(0, 113, 227, 0.2);
}

/* Component: How It Works Dark Section */
.how-it-works-dark {
  padding: var(--space-2xl) 0;
  background: linear-gradient(135deg, #1a1a1c 0%, #2a2a2d 100%);
  position: relative;
  overflow: hidden;
}

.how-it-works-dark::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('/assets/images/qr-code-tennis-court.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}

.how-it-works-dark::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 28, 0.65) 0%, rgba(42, 42, 45, 0.65) 100%);
  z-index: 1;
}

.how-it-works-content {
  position: relative;
  z-index: 2;
}

.how-it-works-steps {
  max-width: 600px;
}

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

.step-card-dark {
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 16px;
  transition: all var(--transition-base);
  backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
}

.step-card-dark:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateX(8px);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.3);
}

.step-number {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-blue) 0%, var(--color-indigo) 100%);
  color: var(--color-white);
  border-radius: 10px;
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-right: var(--space-sm);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.step-card-dark:hover .step-number {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(0, 113, 227, 0.5);
}

/* Component: CTA Section */
.cta-section {
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-gray-900) 0%, #2a2a2d 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100vw;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.2) 0%, transparent 60%);
  pointer-events: none;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(88, 86, 214, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

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

/* Component: Footer */
.footer {
  padding: var(--space-3xl) 0 var(--space-lg) 0;
  background-color: var(--color-gray-900);
  color: var(--color-gray-400);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
  display: block;
}

.footer-tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.footer-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
}

.footer-link {
  color: var(--color-gray-400);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

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

.footer-address {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  line-height: 1.6;
  font-style: normal;
}

.footer-bottom {
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-copyright {
  font-size: var(--font-size-xs);
  color: var(--color-gray-500);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .heading-xl {
    font-size: var(--font-size-4xl);
  }
  
  .hero {
    padding-top: 120px;
    min-height: auto;
  }
  
  .hero-content {
    gap: var(--space-2xl);
  }

  .how-it-works-steps {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .heading-xl {
    font-size: var(--font-size-3xl);
  }
  
  .heading-lg {
    font-size: var(--font-size-2xl);
  }
  
  .hero {
    padding-top: 100px;
    padding-bottom: var(--space-3xl);
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .showcase-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .showcase-text {
    order: -1;
  }
  
  .hero-text {
    max-width: 100%;
  }
  
  .nav-links {
    gap: var(--space-md);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .steps-list {
    gap: var(--space-lg);
  }

  .step-card-dark:hover {
    transform: translateY(-4px);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    text-align: left;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .cta-group {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }

  .use-case-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .use-case-icon-large {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .heading-xl {
    font-size: var(--font-size-2xl);
  }
  
  .heading-lg {
    font-size: var(--font-size-xl);
  }
  
  .heading-md {
    font-size: var(--font-size-lg);
  }
  
  .btn {
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-sm);
  }
  
  .btn-lg {
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
  }
  
  .header-inner {
    height: 64px;
  }
  
  .logo {
    font-size: var(--font-size-xl);
  }
  
  .nav-links {
    display: none;
  }
}