/* ============================================
   CSS Variables - Education Design System
   Fresh, Professional, Modern
   ============================================ */
:root {
  /* Primary Colors - Warm Orange/Red gradient */
  --primary-500: #E54D2E;
  --primary-600: #D13415;
  --primary-700: #B32D14;
  --primary-gradient: linear-gradient(135deg, #E54D2E 0%, #D13415 50%, #B32D14 100%);
  --primary-gradient-light: linear-gradient(135deg, #FFF5F3 0%, #FFEDE8 100%);

  /* Accent Colors */
  --accent-orange: #F76707;
  --accent-peach: #FFEDE8;
  --accent-coral: #FFB5A7;

  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #FAFBFC;
  --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 */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-primary: 0 4px 14px 0 rgba(229, 77, 46, 0.25);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

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

  /* Spacing */
  --section-padding: 100px 0;
  --container-max-width: 1200px;
}

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-base);
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
}

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

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-base);
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--primary-gradient);
  color: var(--white);
  border: none;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(229, 77, 46, 0.35);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border: 1.5px solid var(--gray-200);
}

.btn-secondary:hover {
  border-color: var(--primary-500);
  color: var(--primary-600);
  background: var(--accent-peach);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-large {
  padding: 18px 36px;
  font-size: 17px;
}

/* Checkmark icon */
.checkmark {
  width: 20px;
  height: 20px;
  color: var(--primary-500);
  flex-shrink: 0;
}

/* ============================================
   Navigation
   ============================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-100);
  transition: var(--transition-base);
}

.nav.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
}

.nav-logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  color: var(--gray-600);
  font-weight: 500;
  font-size: 15px;
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: var(--transition-base);
  border-radius: 1px;
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 1px;
  transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  padding: 80px 24px 100px;
  text-align: center;
  background: linear-gradient(180deg, var(--white) 0%, var(--gray-50) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(229, 77, 46, 0.03) 0%, transparent 50%),
              radial-gradient(circle at 70% 80%, rgba(247, 103, 7, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 8px 12px;
  background: var(--accent-peach);
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-600);
  margin-bottom: 24px;
}

.badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
}

.badge-icon svg {
  width: 18px;
  height: 18px;
  color: var(--primary-500);
}

.hero-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 24px;
  color: var(--gray-900);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-subtitle strong {
  color: var(--primary-600);
  font-weight: 600;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 64px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  padding: 32px 40px;
  background: var(--white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 32px;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--gray-200);
}

/* ============================================
   Section Header
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-badge {
  display: inline-block;
  padding: 6px 14px;
  background: var(--accent-peach);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 18px;
  color: var(--gray-600);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================
   Problem Statement Section
   ============================================ */
.problem {
  padding: var(--section-padding);
  background: var(--white);
}

.friction-visual {
  display: flex;
  gap: 60px;
  align-items: flex-start;
  margin-bottom: 48px;
}

.friction-center {
  flex-shrink: 0;
}

.friction-circle {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.friction-label {
  font-size: 14px;
  font-weight: 600;
  opacity: 0.9;
  letter-spacing: 1px;
}

.friction-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1px;
}

.friction-sublabel {
  font-size: 13px;
  opacity: 0.85;
}

.friction-points {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.friction-point {
  position: relative;
  padding-left: 24px;
}

.friction-connector {
  position: absolute;
  left: 0;
  top: 50%;
  width: 16px;
  height: 2px;
  background: var(--primary-500);
  transform: translateY(-50%);
}

.friction-connector::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  background: var(--primary-500);
  border-radius: 50%;
  transform: translate(50%, -50%);
}

.friction-card {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  border-left: 3px solid var(--primary-500);
}

.friction-card-header {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.friction-card p {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.6;
  margin-bottom: 8px;
}

.friction-card cite {
  font-size: 13px;
  color: var(--gray-500);
  font-style: italic;
}

.highlight-text {
  color: var(--gray-900);
  font-weight: 600;
}

.highlight-red {
  color: var(--primary-500);
  font-weight: 600;
}

.highlight-stat {
  color: var(--primary-500);
  font-weight: 700;
}

.faculty-insight {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  border-radius: var(--radius-xl);
  color: var(--white);
}

.insight-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.insight-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-coral);
}

.faculty-insight p {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.faculty-insight .highlight-stat {
  color: var(--accent-coral);
}

.faculty-insight .highlight-red {
  color: var(--accent-coral);
}

/* ============================================
   Comparison Matrix Section
   ============================================ */
.comparison {
  padding: var(--section-padding);
  background: var(--gray-50);
}

.comparison-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.comparison-table {
  width: 100%;
  min-width: 900px;
  border-collapse: collapse;
  background: var(--white);
}

.comparison-table thead {
  background: var(--gray-900);
  color: var(--white);
}

.comparison-table th {
  padding: 20px 16px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  vertical-align: bottom;
}

.comparison-table th.feature-col {
  text-align: left;
  width: 200px;
}

.comparison-table th.highlight-col {
  background: var(--primary-600);
}

.comparison-table th .sub-header {
  display: block;
  font-size: 12px;
  font-weight: 400;
  opacity: 0.7;
  margin-top: 4px;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--gray-100);
}

.comparison-table tbody tr:hover {
  background: var(--gray-50);
}

.comparison-table td {
  padding: 24px 16px;
  vertical-align: top;
  text-align: center;
}

.comparison-table td.feature-name {
  text-align: left;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-icon-small {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--gray-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon-small svg {
  width: 18px;
  height: 18px;
  color: var(--gray-600);
}

.comparison-table td.highlight-cell {
  background: var(--accent-peach);
}

.rating-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 8px;
}

.rating-high {
  background: #D1FAE5;
  color: #065F46;
}

.rating-medium {
  background: #FEF3C7;
  color: #92400E;
}

.rating-low {
  background: #FEE2E2;
  color: #991B1B;
}

.rating-lava {
  background: var(--primary-gradient);
  color: var(--white);
}

.rating-desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
}

.comparison-table td.highlight-cell .rating-desc {
  color: var(--gray-700);
}

/* ============================================
   Value Proposition Section
   ============================================ */
.value-prop {
  padding: var(--section-padding);
  background: var(--white);
}

.value-comparison {
  display: flex;
  align-items: stretch;
  gap: 32px;
  margin-bottom: 48px;
}

.value-state {
  flex: 1;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.value-before {
  background: var(--gray-50);
}

.value-after {
  background: linear-gradient(180deg, #FFF5F3 0%, #FFEDE8 100%);
  border-color: var(--accent-coral);
}

.state-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-200);
}

.value-after .state-header {
  border-color: var(--accent-coral);
}

.state-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--gray-600);
}

.value-after .state-label {
  color: var(--primary-600);
}

.state-content {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 400px;
}

.student-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
}

.value-after .student-box {
  border-color: var(--primary-500);
  border-style: solid;
}

.box-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-500);
  letter-spacing: 0.5px;
}

.student-box svg {
  width: 20px;
  height: 20px;
  color: var(--gray-400);
}

.value-after .student-box svg {
  color: var(--primary-500);
}

.flow-paths {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flow-path {
  padding: 12px 16px;
  border-radius: var(--radius-md);
}

.flow-path.academic {
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.flow-path.comms {
  background: rgba(229, 77, 46, 0.08);
  border: 1px dashed var(--primary-500);
}

.path-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.flow-path.comms .path-label {
  color: var(--primary-600);
}

.path-details {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.path-details span {
  font-size: 12px;
  color: var(--gray-500);
}

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

.ta-crowd {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--primary-600);
  margin-bottom: 8px;
}

.ta-crowd svg {
  width: 48px;
  height: 48px;
}

.ta-count {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 24px;
  font-weight: 800;
}

.ta-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-600);
}

.staff-flow {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.staff-box {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
}

.staff-box.instructors {
  background: var(--primary-500);
  color: var(--white);
}

.staff-box.admins {
  background: var(--gray-700);
  color: var(--white);
}

.response-time {
  font-size: 12px;
  color: var(--gray-500);
  font-style: italic;
}

.lava-flow {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.flow-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
}

.lava-hub {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border: 2px dashed var(--success);
  border-radius: var(--radius-xl);
  background: rgba(16, 185, 129, 0.05);
}

.hub-label {
  font-size: 13px;
  color: var(--gray-600);
  margin-bottom: 12px;
}

.lava-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lava-icon {
  width: 48px;
  height: 48px;
}

.lava-brand span {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 28px;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.ratio-display {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

.value-after .ratio-display {
  border-color: var(--accent-coral);
}

.ratio-display.improved {
  padding-top: 24px;
}

.ratio-value {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: 4px;
}

.ratio-display.improved .ratio-value {
  font-size: 24px;
  color: var(--success);
}

.ratio-note {
  display: block;
  font-size: 13px;
  color: var(--gray-500);
}

.ratio-display.improved .ratio-note {
  color: var(--success);
  font-weight: 500;
}

.value-arrow {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
}

.arrow-content {
  text-align: center;
  padding: 16px 24px;
  background: var(--primary-gradient);
  border-radius: var(--radius-lg);
  color: var(--white);
}

.arrow-stat {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 28px;
  font-weight: 800;
}

.arrow-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.value-arrow > svg {
  width: 48px;
  height: 48px;
  color: var(--primary-500);
}

.value-summary {
  padding: 32px 40px;
  background: var(--gray-900);
  border-radius: var(--radius-xl);
  color: var(--white);
}

.summary-content {
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 16px;
}

.summary-content .highlight-stat {
  color: var(--accent-coral);
}

.summary-footnote {
  font-size: 13px;
  color: var(--gray-400);
}

/* ============================================
   Solution Package Section
   ============================================ */
.solution {
  padding: var(--section-padding);
  background: var(--gray-50);
}

.solution-products {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 24px;
  transition: var(--transition-base);
}

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

.product-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--white);
}

.product-content {
  flex: 1;
}

.product-name {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.product-description {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 20px;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-700);
}

.product-features svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

.business-model {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.model-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px 32px;
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
}

.model-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--accent-peach);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.model-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary-500);
}

.model-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}

.model-content p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

.solution-cta {
  text-align: center;
  padding: 32px 40px;
  background: var(--primary-gradient);
  border-radius: var(--radius-xl);
  color: var(--white);
}

.solution-cta p {
  font-size: 18px;
  line-height: 1.7;
}

.solution-cta strong {
  font-weight: 600;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
  padding: var(--section-padding);
  background: var(--white);
}

.pricing-model {
  max-width: 900px;
  margin: 0 auto;
}

.pricing-intro {
  text-align: center;
  margin-bottom: 48px;
}

.pricing-intro h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.pricing-intro p {
  font-size: 16px;
  color: var(--gray-600);
}

.pricing-factors {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.factor-card {
  padding: 32px;
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-200);
  text-align: center;
  transition: var(--transition-base);
}

.factor-card:hover {
  border-color: var(--primary-500);
  box-shadow: var(--shadow-md);
}

.factor-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--primary-gradient);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.factor-card h4 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.factor-card p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.6;
}

.pricing-benefit {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
  background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
  border-radius: var(--radius-xl);
  border: 1px solid #A7F3D0;
  margin-bottom: 48px;
}

.benefit-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--success);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.benefit-content h4 {
  font-size: 18px;
  font-weight: 700;
  color: #065F46;
  margin-bottom: 4px;
}

.benefit-content p {
  font-size: 15px;
  color: #047857;
  line-height: 1.5;
}

.pricing-features-list {
  padding: 32px;
  background: var(--gray-50);
  border-radius: var(--radius-xl);
  margin-bottom: 48px;
}

.pricing-features-list h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px 32px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--gray-700);
}

.feature-item .checkmark {
  color: var(--success);
}

.pricing-cta {
  text-align: center;
  padding: 48px 32px;
  background: var(--gray-900);
  border-radius: var(--radius-xl);
}

.pricing-cta p {
  font-size: 18px;
  color: var(--gray-300);
  margin-bottom: 24px;
}

/* ============================================
   Final CTA Section
   ============================================ */
.final-cta {
  padding: 100px 24px;
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-800) 100%);
  text-align: center;
}

.final-cta h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 16px;
}

.final-cta p {
  font-size: 18px;
  color: var(--gray-400);
  margin-bottom: 40px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding: 64px 24px 32px;
  background: var(--gray-900);
  color: var(--white);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 3fr;
  gap: 64px;
  margin-bottom: 48px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-icon {
  width: 36px;
  height: 36px;
}

.footer-logo-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-tagline {
  color: var(--gray-400);
  font-size: 14px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-heading {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-link {
  color: var(--gray-400);
  font-size: 14px;
  transition: var(--transition-base);
}

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copyright {
  color: var(--gray-500);
  font-size: 14px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.05);
  transition: var(--transition-base);
}

.social-link svg {
  width: 18px;
  height: 18px;
  color: var(--gray-400);
  transition: var(--transition-base);
}

.social-link:hover {
  background: var(--primary-500);
}

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

/* ============================================
   Responsive Design
   ============================================ */

/* Large Tablet (max-width: 1024px) */
@media (max-width: 1024px) {
  :root {
    --section-padding: 80px 0;
  }

  .friction-visual {
    flex-direction: column;
    align-items: center;
  }

  .friction-circle {
    width: 180px;
    height: 180px;
  }

  .friction-title {
    font-size: 24px;
  }

  .value-comparison {
    flex-direction: column;
  }

  .value-arrow {
    flex-direction: row;
    padding: 16px;
  }

  .value-arrow > svg {
    transform: rotate(90deg);
  }

  .solution-products {
    grid-template-columns: 1fr;
  }

  .business-model {
    grid-template-columns: 1fr;
  }

  .pricing-factors {
    grid-template-columns: 1fr;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

/* Tablet (max-width: 768px) */
@media (max-width: 768px) {
  /* Navigation */
  .nav-menu {
    position: fixed;
    top: 69px;
    left: -100%;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    gap: 16px;
    align-items: flex-start;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-container .btn-primary {
    display: none;
  }

  /* Hero */
  .hero {
    padding: 60px 24px 80px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
    padding: 24px 32px;
  }

  .stat-divider {
    width: 60px;
    height: 1px;
  }

  /* Sections */
  .section-header {
    margin-bottom: 48px;
  }

  .friction-circle {
    width: 160px;
    height: 160px;
  }

  .friction-title {
    font-size: 22px;
  }

  .friction-point {
    padding-left: 0;
  }

  .friction-connector {
    display: none;
  }

  .state-content {
    min-height: auto;
    padding: 24px 20px;
  }

  .comparison-table-wrapper {
    margin: 0 -24px;
    border-radius: 0;
  }

  .pricing-benefit {
    flex-direction: column;
    text-align: center;
  }

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

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

/* Mobile (max-width: 480px) */
@media (max-width: 480px) {
  :root {
    --section-padding: 60px 0;
  }

  .container {
    padding: 0 16px;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .product-card {
    padding: 24px;
    flex-direction: column;
    text-align: center;
  }

  .product-features li {
    justify-content: center;
  }

  .model-card {
    flex-direction: column;
    text-align: center;
    padding: 24px;
  }

  .value-summary,
  .solution-cta {
    padding: 24px;
  }

  .final-cta {
    padding: 60px 16px;
  }

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

  .cta-buttons .btn {
    width: 100%;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }
}