/* ===================================
   CSS Variables - Coterie Theme
   =================================== */
:root {
  /* Colors */
  --primary: #2C5F4F;
  --primary-dark: #1F4739;
  --primary-light: #3D7563;
  --accent: #7FB89D;
  --accent-light: #A8D5BA;
  --accent-lighter: #C9E4D6;
  --accent-lightest: #E8F5EE;

  /* Grays */
  --gray-900: #2B3E35;
  --gray-700: #5A7A6B;
  --gray-500: #6B8A7A;
  --gray-300: #B8C9C1;
  --gray-100: #F8FAF9;
  --gray-50: #EEF5F2;

  /* Backgrounds */
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAF9;
  --bg-gradient: linear-gradient(135deg, #F8FAF9 0%, #EEF5F2 100%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Monaco', 'Courier New', monospace;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(44, 95, 79, 0.08);
  --shadow-md: 0 4px 12px rgba(44, 95, 79, 0.12);
  --shadow-lg: 0 8px 24px rgba(44, 95, 79, 0.15);
  --shadow-xl: 0 12px 32px rgba(44, 95, 79, 0.2);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

/* ===================================
   Global Resets
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--gray-900);
  background: var(--bg-gradient);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

ul {
  list-style: none;
}

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

/* ===================================
   Container
   =================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ===================================
   Header - Persistent Navigation
   =================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-image {
  width: 140px;
  height: auto;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast);
  position: relative;
}

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

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

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

.nav-link-cta {
  padding: 0.625rem 1.25rem;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.nav-link-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  padding: calc(80px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: var(--bg-gradient);
}

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

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-700);
  font-weight: 400;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
}

/* Code Visual */
.hero-visual {
  position: relative;
}

.code-example {
  background: #1E2A24;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-header {
  background: #2B3E35;
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #5A7A6B;
}

.code-dot:nth-child(1) {
  background: #FF5F56;
}

.code-dot:nth-child(2) {
  background: #FFBD2E;
}

.code-dot:nth-child(3) {
  background: #27C93F;
}

.code-title {
  margin-left: auto;
  font-size: 0.875rem;
  color: var(--gray-300);
}

.code-block {
  padding: var(--spacing-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
  color: #E8F0ED;
  overflow-x: auto;
}

.comment {
  color: #6B8A7A;
}

.tag {
  color: #7FB89D;
}

.attr {
  color: #6FA88B;
}

.string {
  color: #A8D5BA;
}

/* ===================================
   Buttons
   =================================== */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
}

.btn-primary.large,
.btn-secondary.large {
  padding: 1.125rem 2.5rem;
  font-size: 1.125rem;
}

/* ===================================
   Partners Section
   =================================== */
.partners {
  padding: var(--spacing-3xl) 0;
  background: white;
  text-align: center;
}

.partners-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-lg);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

.partner-logo {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-500);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

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

/* ===================================
   Section Styles
   =================================== */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-700);
  font-weight: 400;
}

/* ===================================
   Quick Start Section
   =================================== */
.quickstart-section {
  padding: var(--spacing-3xl) 0;
  background: white;
}

.code-tabs {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.code-tab {
  padding: 0.625rem 1.5rem;
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--gray-700);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.code-tab:hover {
  background: var(--accent-lightest);
  color: var(--primary);
}

.code-tab.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.code-examples {
  position: relative;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}

.code-example-panel {
  display: none;
}

.code-example-panel.active {
  display: block;
}

.code-snippet {
  background: #1E2A24;
  color: #E8F0ED;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.code-snippet .comment {
  color: #6B8A7A;
}

.code-snippet .keyword {
  color: #7FB89D;
}

.code-snippet .function {
  color: #A8D5BA;
}

.code-snippet .string {
  color: #C9E4D6;
}

.code-snippet .property {
  color: #6FA88B;
}

.code-snippet .number {
  color: #A8D5BA;
}

.code-snippet .class {
  color: #7FB89D;
  font-weight: 600;
}

.quickstart-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ===================================
   Integration Section
   =================================== */
.integration-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.integration-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-base);
}

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

.integration-card.featured-integration {
  border: 2px solid var(--primary);
}

.complexity-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.complexity-badge.easy {
  background: #E8F5EE;
  color: #2C5F4F;
}

.complexity-badge.moderate {
  background: #FFF9E6;
  color: #996F00;
}

.complexity-badge.advanced {
  background: #FEE2E2;
  color: #991B1B;
}

.integration-card h3 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.integration-time {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.integration-card > p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.integration-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
}

.integration-features span {
  font-size: 0.875rem;
  color: var(--gray-700);
}

.mini-code {
  background: #1E2A24;
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
}

.mini-code code {
  color: #C9E4D6;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* ===================================
   API Endpoints Section
   =================================== */
.api-section {
  padding: var(--spacing-3xl) 0;
  background: white;
}

.endpoints-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.endpoint-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
}

.endpoint-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.endpoint-card.featured {
  border-top-color: var(--accent);
  box-shadow: var(--shadow-md);
}

.endpoint-card.coming-soon {
  opacity: 0.85;
  border-top-color: var(--gray-300);
  position: relative;
}

.endpoint-card.coming-soon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.5) 100%);
  pointer-events: none;
}

.coming-soon-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-lg);
  background: var(--gray-500);
  color: white;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1;
}

.endpoint-highlight {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--accent-lightest);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--gray-700);
  position: relative;
  z-index: 1;
}

.endpoint-highlight strong {
  color: var(--primary);
  font-weight: 600;
}

.featured-badge {
  position: absolute;
  top: -12px;
  right: var(--spacing-lg);
  background: var(--accent);
  color: white;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.endpoint-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.endpoint-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ai-badge {
  display: inline-block;
  background: linear-gradient(135deg, #7FB89D 0%, #5A9D7E 100%);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.endpoint-badge {
  display: inline-block;
  background: var(--accent-lightest);
  color: var(--primary);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: var(--font-mono);
  margin-bottom: var(--spacing-md);
}

.endpoint-description {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.endpoint-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: var(--spacing-md);
}

.credit-cost {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

.revenue-potential {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 500;
}

.endpoint-use-cases {
  margin-top: var(--spacing-md);
}

.use-case-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.endpoint-use-cases ul {
  list-style: disc;
  margin-left: var(--spacing-md);
}

.endpoint-use-cases li {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

/* ===================================
   Demos Section
   =================================== */
.demos-section {
  padding: var(--spacing-3xl) 0;
  background: white;
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.demo-card {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

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

.demo-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.demo-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.demo-card p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.demo-link-text {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9375rem;
}

/* ===================================
   Pricing Section
   =================================== */
.pricing-section {
  padding: var(--spacing-3xl) 0;
  background: var(--bg-secondary);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  text-align: center;
  border: 2px solid transparent;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tier-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.tier-price {
  margin-bottom: var(--spacing-xl);
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.period {
  font-size: 1rem;
  color: var(--gray-500);
  font-weight: 500;
}

.tier-features {
  margin-bottom: var(--spacing-xl);
  text-align: left;
}

.tier-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.9375rem;
  color: var(--gray-700);
}

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

.tier-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  margin-right: 0.75rem;
}

.tier-note {
  font-size: 0.8125rem;
  color: var(--gray-500);
  text-align: center;
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.btn-tier {
  display: block;
  width: 100%;
  padding: 0.875rem;
  background: var(--bg-secondary);
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

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

.btn-tier.primary:hover {
  background: var(--primary-dark);
}

.pricing-disclaimer {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gray-500);
  margin-top: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* ===================================
   Trust Section
   =================================== */
.trust-section {
  padding: var(--spacing-3xl) 0;
  background: white;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.trust-card {
  background: var(--bg-secondary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
}

.trust-icon {
  margin: 0 auto var(--spacing-md);
  color: var(--primary);
}

.trust-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.trust-card p {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.6;
}

.trust-disclaimer {
  background: var(--accent-lightest);
  border-left: 4px solid var(--primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  max-width: 900px;
  margin: 0 auto;
}

.trust-disclaimer p {
  font-size: 0.875rem;
  color: var(--gray-700);
  line-height: 1.6;
  margin: 0;
}

.trust-disclaimer strong {
  color: var(--primary);
  font-weight: 600;
}

.trust-disclaimer a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

/* ===================================
   Contact Section
   =================================== */
.contact-section {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  text-align: center;
}

.contact-title {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.contact-subtitle {
  font-size: 1.125rem;
  color: var(--accent-lighter);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.contact-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

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

.contact-section .btn-primary:hover {
  background: var(--accent-lightest);
}

.contact-section .btn-secondary {
  border-color: white;
  color: white;
}

.contact-section .btn-secondary:hover {
  background: white;
  color: var(--primary);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-col h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: var(--gray-300);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: white;
}

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

.footer-bottom p {
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: var(--spacing-md);
}

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

.footer-social a:hover {
  color: white;
}

/* ===================================
   Early Partner Program Section
   =================================== */
.partner-program-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--accent-lightest) 0%, white 100%);
}

.program-header {
  text-align: center;
  margin-bottom: var(--spacing-xxl);
}

.program-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 30px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.program-badge svg {
  width: 18px;
  height: 18px;
}

.program-subtitle {
  font-size: 1.25rem;
  color: var(--gray-700);
  max-width: 700px;
  margin: 0 auto;
}

.program-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-xxl);
  margin-top: var(--spacing-xxl);
}

.program-benefits h3,
.program-application h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.benefit-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.benefit-item {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.benefit-icon {
  width: 32px;
  height: 32px;
  color: var(--accent);
  flex-shrink: 0;
}

.benefit-item h4 {
  margin: 0 0 0.5rem 0;
  color: var(--primary);
  font-size: 1.125rem;
  font-weight: 600;
}

.benefit-item p {
  margin: 0;
  color: var(--gray-700);
  line-height: 1.6;
}

.application-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--accent);
  position: sticky;
  top: 100px;
}

.application-subtext {
  color: var(--gray-700);
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
}

.application-criteria,
.application-requirements {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

.application-criteria p,
.application-requirements p {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.application-criteria ul,
.application-requirements ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.application-criteria li,
.application-requirements li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--gray-700);
  line-height: 1.5;
}

.application-criteria li::before,
.application-requirements li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

.application-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.timeline-step {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.step-number {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.step-content strong {
  display: block;
  color: var(--primary);
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.step-content p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.btn-large {
  width: 100%;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  margin-top: var(--spacing-md);
}

.application-note {
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--gray-700);
}

.application-note svg {
  margin-right: 4px;
}

/* ===================================
   ROI Calculator Section
   =================================== */
.roi-calculator-section {
  padding: var(--spacing-xxl) 0;
  background: white;
}

.calculator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: var(--spacing-xxl);
  background: var(--bg-secondary);
  padding: var(--spacing-xxl);
  border-radius: var(--radius-lg);
  align-items: start;
}

.calculator-inputs,
.calculator-results {
  min-height: 500px;
}

.calculator-inputs {
  padding-right: 2rem;
  border-right: 2px solid var(--gray-100);
}

.calculator-results {
  padding-left: 2rem;
}

.calculator-inputs h3,
.calculator-results h3 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: var(--spacing-lg);
}

.tier-recommendation {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
  border: 2px solid var(--accent);
}

.recommended-tier {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.tier-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-700);
  font-weight: 600;
}

.tier-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  flex-grow: 1;
  text-align: center;
}

.tier-cost {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
}

.tier-details {
  display: flex;
  justify-content: space-between;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--gray-100);
  font-size: 0.875rem;
  color: var(--gray-700);
}

.calculator-field {
  margin-bottom: var(--spacing-lg);
}

.calculator-field label {
  display: block;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.calculator-input,
.calculator-select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-primary);
  transition: border-color 0.2s ease;
}

.calculator-input:focus,
.calculator-select:focus {
  outline: none;
  border-color: var(--accent);
}

.input-with-prefix {
  position: relative;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-700);
  font-weight: 600;
  pointer-events: none;
}

.input-with-prefix .calculator-input {
  padding-left: 2rem;
}

.field-help {
  display: block;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 0.375rem;
  font-style: italic;
}

.result-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.result-metric-large {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  text-align: center;
  border: 2px solid var(--accent-lightest);
}

.result-label {
  display: block;
  font-size: 0.875rem;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.result-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.result-breakdown {
  background: white;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
}

.breakdown-row:last-child {
  border-bottom: none;
}

.breakdown-row span:first-child {
  color: var(--gray-700);
}

.breakdown-row span:last-child {
  color: var(--primary);
  font-weight: 600;
}

.roi-summary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  color: white;
}

.roi-cost,
.roi-result,
.roi-payback {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.roi-payback {
  border-bottom: none;
}

.roi-cost span:last-child,
.roi-payback span:last-child {
  font-weight: 600;
}

.roi-result {
  border-bottom: 2px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 1rem;
  margin-bottom: 0.75rem;
}

.roi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-light);
}

.calculator-disclaimer {
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: var(--spacing-md);
  font-style: italic;
}

.calculator-cta {
  text-align: center;
  margin-top: var(--spacing-xxl);
}

.calculator-cta p {
  font-size: 1.125rem;
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .hero-title {
    font-size: 2.75rem;
  }

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

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

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

  .program-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .application-card {
    position: static;
  }

  .calculator-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .calculator-inputs,
  .calculator-results {
    min-height: auto;
    padding-right: 0;
    padding-left: 0;
    border-right: none;
  }

  .calculator-inputs {
    border-bottom: 2px solid var(--gray-100);
    padding-bottom: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
  }

  .code-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}

@media (max-width: 768px) {
  body {
    padding: 1rem;
  }

  .nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    gap: var(--spacing-sm);
  }

  .nav.active {
    display: flex;
  }

  .nav-link,
  .nav-link-cta {
    padding: var(--spacing-sm);
    text-align: center;
  }

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

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

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

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .header-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .logo-image {
    width: 110px;
  }

  .logo-subtitle {
    font-size: 0.65rem;
  }

  .hero {
    padding: calc(60px + var(--spacing-xl)) 0 var(--spacing-xl);
  }

  .hero-title {
    font-size: 1.75rem;
    line-height: 1.2;
  }

  .section-title {
    font-size: 1.75rem;
    line-height: 1.2;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .stat-value {
    font-size: 2rem;
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .code-block {
    font-size: 0.75rem;
    padding: 1rem;
    margin: var(--spacing-md) 0;
  }

  .section-header {
    padding: var(--spacing-md);
  }

  .section-header h2 {
    font-size: 1.375rem;
  }

  .endpoint-badge {
    font-size: 0.65rem;
    padding: 0.25rem 0.5rem;
  }

  .endpoint-card {
    padding: var(--spacing-md);
  }

  .endpoint-title {
    font-size: 1.25rem;
  }

  .endpoints-grid,
  .demos-grid,
  .integration-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .pricing-card {
    padding: var(--spacing-md);
  }

  .tier-price .price {
    font-size: 2.5rem;
  }

  .contact-section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .contact-title {
    font-size: 1.75rem;
  }

  .contact-subtitle {
    font-size: 1rem;
  }

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

  .footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .stat-label {
    font-size: 0.75rem;
  }

  .btn-primary.large,
  .btn-secondary.large {
    padding: 1rem 1.5rem;
    font-size: 1rem;
  }

  .contact-title {
    font-size: 1.5rem;
  }

  .tier-price .price {
    font-size: 2rem;
  }
}