/* ==========================================================================
   M.arks Co., Ltd. — Biomechanics & Postural Health Research Portal
   Clean Human Handcrafted CSS
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Cambria", "Times New Roman", Times, serif;
  
  --color-primary: #0f3460;
  --color-primary-dark: #0a223e;
  --color-primary-light: #164e87;
  --color-accent: #0284c7;
  --color-accent-teal: #0d9488;
  --color-accent-warm: #d97706;
  
  --color-bg-light: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-muted: #f1f5f9;
  --color-bg-dark: #0b192c;
  
  --color-text-main: #1e293b;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-white: #ffffff;
  
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

/* --------------------------------------------------------------------------
   Layout & Container
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-narrow {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.site-main {
  flex: 1 0 auto;
}

/* --------------------------------------------------------------------------
   Top Bar & Disclaimer Banner
   -------------------------------------------------------------------------- */
.disclaimer-banner {
  background-color: #fffbeb;
  border-bottom: 1px solid #fef3c7;
  padding: 8px 16px;
  font-size: 0.8125rem;
  color: #92400e;
  text-align: center;
}

.disclaimer-banner a {
  color: #b45309;
  font-weight: 600;
  text-decoration: underline;
  margin-left: 6px;
}

.top-bar {
  background-color: var(--color-primary-dark);
  color: #cbd5e1;
  font-size: 0.8125rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.top-bar a {
  color: #e2e8f0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-bar a:hover {
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.brand-logo img {
  height: 42px;
  width: 42px;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.brand-badge {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-accent-teal);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: -2px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-main);
  padding: 6px 2px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

.nav-btn {
  display: inline-block;
  background-color: var(--color-primary);
  color: #ffffff !important;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.nav-btn:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text-main);
  font-size: 1.25rem;
}

.mobile-nav-panel {
  display: none;
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  padding: 16px 20px;
}

.mobile-nav-panel.open {
  display: block;
}

.mobile-nav-panel .nav-link {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-bg-muted);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-portal {
  background: linear-gradient(135deg, #0a223e 0%, #0f3460 60%, #164e87 100%);
  color: #ffffff;
  padding: 64px 0 72px;
  position: relative;
  overflow: hidden;
}

.hero-portal::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: radial-gradient(circle at 85% 20%, rgba(13, 148, 136, 0.15), transparent 45%),
              radial-gradient(circle at 15% 80%, rgba(2, 132, 199, 0.15), transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #7dd3fc;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.75rem;
  line-height: 1.15;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 18px;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.65;
  color: #e2e8f0;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-accent-teal);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  background-color: #0f766e;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  transform: translateY(-2px);
}

.hero-card {
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-text-main);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
  border-bottom: 2px solid var(--color-bg-muted);
  padding-bottom: 8px;
}

.hero-card-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.875rem;
}

.hero-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.hero-card-list li span.bullet {
  color: var(--color-accent-teal);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Institutional Trust Banner / Stats
   -------------------------------------------------------------------------- */
.trust-strip {
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-border);
  padding: 24px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.trust-item h4 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.trust-item p {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Section Common
   -------------------------------------------------------------------------- */
.section {
  padding: 64px 0;
}

.section-alt {
  background-color: #f1f5f9;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-teal);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.125rem;
  color: var(--color-primary-dark);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Cards & Grids
   -------------------------------------------------------------------------- */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.card-img-wrapper {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: #e2e8f0;
}

.card-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.card:hover .card-img-wrapper img {
  transform: scale(1.04);
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background-color: rgba(15, 52, 96, 0.9);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.card-body {
  padding: 24px;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

.card-body h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  line-height: 1.35;
}

.card-body p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-bg-muted);
  padding-top: 12px;
  margin-top: auto;
}

.card-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* --------------------------------------------------------------------------
   Interactive Component 1: Posture & Mobility Assessment Calculator
   -------------------------------------------------------------------------- */
.interactive-widget {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-lg);
  margin: 32px 0;
}

.widget-header {
  border-bottom: 2px solid var(--color-bg-muted);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.widget-header h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.widget-header p {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

.quiz-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 16px;
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.quiz-option-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  cursor: pointer;
  text-align: left;
  font-size: 0.9375rem;
  color: var(--color-text-main);
  transition: all var(--transition-fast);
}

.quiz-option-btn:hover {
  background: #f0f9ff;
  border-color: var(--color-accent);
}

.quiz-option-btn.selected {
  background: #e0f2fe;
  border-color: var(--color-accent);
  font-weight: 600;
}

.quiz-progress-bar {
  height: 6px;
  background-color: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: 24px;
}

.quiz-progress-fill {
  height: 100%;
  width: 25%;
  background-color: var(--color-accent-teal);
  transition: width 0.3s ease;
}

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

.assessment-result {
  display: none;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
}

.assessment-result.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.score-badge {
  display: inline-block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-primary);
  background: #e0f2fe;
  padding: 8px 24px;
  border-radius: var(--radius-md);
  margin-bottom: 12px;
}

/* --------------------------------------------------------------------------
   Interactive Component 2: Muscle Routine Generator & Stretch Timer
   -------------------------------------------------------------------------- */
.routine-builder {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 28px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.zone-selector h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.zone-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.zone-btn {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.zone-btn:hover {
  background: #f0fdf4;
  border-color: var(--color-accent-teal);
}

.zone-btn.active {
  background: #0f3460;
  color: #ffffff;
  border-color: #0f3460;
}

.protocol-display {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.protocol-display h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.protocol-display p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.6;
}

.timer-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  margin-top: 20px;
}

.timer-display {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent-teal);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Accordion (FAQ & Research Summaries)
   -------------------------------------------------------------------------- */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  cursor: pointer;
  text-align: left;
}

.accordion-header:hover {
  background-color: var(--color-bg-light);
}

.accordion-icon {
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  display: none;
  padding: 0 22px 20px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  border-top: 1px solid var(--color-bg-muted);
  padding-top: 14px;
}

.accordion-item.open .accordion-content {
  display: block;
  animation: fadeIn 0.2s ease;
}

/* --------------------------------------------------------------------------
   Forms & Inputs
   -------------------------------------------------------------------------- */
.form-card {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: var(--color-text-main);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

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

.form-hint {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

.alert-box {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.875rem;
  display: none;
}

.alert-success {
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.alert-error {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* --------------------------------------------------------------------------
   Legal & Compliance Content Styling
   -------------------------------------------------------------------------- */
.legal-container {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-sm);
  margin: 32px 0 64px;
}

.legal-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
  margin-bottom: 28px;
}

.legal-title {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.legal-meta {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.legal-content h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 32px;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-bg-muted);
}

.legal-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-top: 20px;
  margin-bottom: 8px;
}

.legal-content p {
  font-size: 0.9375rem;
  color: #334155;
  line-height: 1.7;
  margin-bottom: 16px;
}

.legal-content ul, .legal-content ol {
  margin-left: 24px;
  margin-bottom: 20px;
  font-size: 0.9375rem;
  color: #334155;
  line-height: 1.7;
}

.legal-content li {
  margin-bottom: 6px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.875rem;
}

.legal-table th, .legal-table td {
  padding: 12px 16px;
  text-align: left;
  border: 1px solid var(--color-border);
}

.legal-table th {
  background-color: var(--color-bg-muted);
  font-weight: 600;
  color: var(--color-primary);
}

.legal-table tr:nth-child(even) {
  background-color: var(--color-bg-light);
}

.corporate-id-box {
  background-color: #f8fafc;
  border: 1px solid #cbd5e1;
  border-left: 4px solid var(--color-primary);
  padding: 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 24px 0;
  font-size: 0.875rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: #94a3b8;
  font-size: 0.875rem;
  padding-top: 56px;
  border-top: 4px solid var(--color-accent-teal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-col h4 {
  color: #ffffff;
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: #cbd5e1;
}

.footer-col a:hover {
  color: #ffffff;
  padding-left: 2px;
}

.footer-corporate-text {
  font-size: 0.8125rem;
  color: #94a3b8;
  line-height: 1.65;
  margin-bottom: 14px;
}

.footer-bottom {
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
}

.footer-legal-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-legal-links a {
  color: #94a3b8;
}

.footer-legal-links a:hover {
  color: #e2e8f0;
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.fade-in {
  animation: fadeIn 0.4s ease forwards;
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .routine-builder {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.625rem;
  }
  
  .grid-3, .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .trust-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .legal-container, .interactive-widget, .form-card {
    padding: 24px 18px;
  }
  
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}