/* ==========================================================================
   EXPERTS TUTORS - COMPLETE SHARED DESIGN SYSTEM & STYLESHEET
   Brand Colors:
   - Primary Navy: #0a1929
   - Accent Teal: #00c9b1
   - Gold Highlight: #f5c542
   - Light Background: #f4f7fa
   - White: #ffffff
   - Border: rgba(0,0,0,0.08)
   ========================================================================== */

/* 1. CSS VARIABLES */
:root {
  --primary-navy: #0a1929;
  --navy-light: #132f4c;
  --navy-dark: #060e17;
  --accent-teal: #00c9b1;
  --teal-hover: #00b39e;
  --teal-light: rgba(0, 201, 177, 0.12);
  --gold-highlight: #f5c542;
  --gold-hover: #e0b030;
  --gold-light: rgba(245, 197, 66, 0.15);
  --light-bg: #f4f7fa;
  --white: #ffffff;
  --border: rgba(0, 0, 0, 0.08);
  --border-dark: rgba(255, 255, 255, 0.12);
  
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;
  
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --shadow-sm: 0 2px 4px rgba(10, 25, 41, 0.04);
  --shadow-md: 0 4px 12px rgba(10, 25, 41, 0.08);
  --shadow-lg: 0 10px 30px rgba(10, 25, 41, 0.12);
  --shadow-xl: 0 20px 40px rgba(10, 25, 41, 0.18);
  
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  --status-pending: #f59e0b;
  --status-assigned: #3b82f6;
  --status-completed: #10b981;
  --status-cancelled: #ef4444;
}

/* 2. BASE RESET */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--light-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--text-muted);
}

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

a:hover {
  color: var(--teal-hover);
}

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

ul, ol {
  list-style: none;
}

/* 3. LAYOUT & CONTAINERS */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

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

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

.section-dark h2, .section-dark h3 {
  color: var(--white);
}

.section-dark p {
  color: #94a3b8;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background-color: var(--teal-light);
  color: var(--accent-teal);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
}

/* 4. BUTTONS & BADGES */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--gold-highlight);
  color: var(--primary-navy);
  box-shadow: 0 4px 14px rgba(245, 197, 66, 0.35);
}

.btn-primary:hover {
  background-color: var(--gold-hover);
  color: var(--primary-navy);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 197, 66, 0.45);
}

.btn-secondary {
  background-color: var(--accent-teal);
  color: var(--primary-navy);
  box-shadow: 0 4px 14px rgba(0, 201, 177, 0.25);
}

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

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

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

.btn-outline-dark {
  background-color: transparent;
  border-color: var(--primary-navy);
  color: var(--primary-navy);
}

.btn-outline-dark:hover {
  background-color: var(--primary-navy);
  color: var(--white);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-pending, .badge-unassigned {
  background-color: rgba(245, 158, 11, 0.15);
  color: #d97706;
}

.badge-assigned, .badge-in_progress {
  background-color: rgba(59, 130, 246, 0.15);
  color: #2563eb;
}

.badge-completed {
  background-color: rgba(16, 185, 129, 0.15);
  color: #059669;
}

/* 5. STICKY NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 25, 41, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
  padding: 14px 0;
  transition: var(--transition);
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo {
  height: 42px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}

.brand-text span {
  color: var(--accent-teal);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 500;
  color: #cbd5e1;
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--white);
  flex-direction: column;
  gap: 5px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--white);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-actions-mobile {
  display: none;
}

/* 6. HERO SECTION */
.hero {
  background: linear-gradient(135deg, #0a1929 0%, #0f2744 50%, #060e17 100%);
  color: var(--white);
  padding: 100px 0 110px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 201, 177, 0.12) 0%, rgba(10, 25, 41, 0) 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 197, 66, 0.08) 0%, rgba(10, 25, 41, 0) 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-teal);
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.25rem;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-content h1 .highlight {
  color: var(--gold-highlight);
  position: relative;
  display: inline-block;
}

.hero-content p {
  font-size: 1.2rem;
  color: #cbd5e1;
  margin-bottom: 36px;
  max-width: 580px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--border-dark);
  padding-top: 28px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #94a3b8;
}

.trust-item svg {
  color: var(--accent-teal);
  flex-shrink: 0;
}

/* Hero Visual Card */
.hero-card {
  background: rgba(19, 47, 76, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-xl);
  position: relative;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.hero-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.live-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: #10b981;
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.card-sample-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sample-item {
  background: rgba(10, 25, 41, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sample-info h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.sample-info p {
  font-size: 0.8rem;
  color: #94a3b8;
}

.sample-price {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gold-highlight);
}

/* 7. HOW IT WORKS SECTION */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.step-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 201, 177, 0.3);
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--teal-light);
  color: var(--accent-teal);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.step-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.98rem;
  line-height: 1.6;
}

/* 8. SERVICES SECTION */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-teal);
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 201, 177, 0.12), rgba(10, 25, 41, 0.05));
  color: var(--accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary-navy);
}

.service-card:hover .service-link {
  color: var(--accent-teal);
}

/* 9. WHY CHOOSE US & STATS */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.stat-card {
  background-color: var(--white);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.stat-number span {
  color: var(--accent-teal);
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-box {
  background-color: var(--white);
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  display: flex;
  gap: 20px;
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--gold-light);
  color: #d97706;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.feature-info h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.feature-info p {
  font-size: 0.925rem;
}

/* 10. ORDER FORM SECTION */
.order-wrapper {
  max-width: 920px;
  margin: 0 auto;
  background-color: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-label-hint {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 400;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-md);
  background-color: #f8fafc;
  color: var(--text-main);
  transition: var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent-teal);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(0, 201, 177, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 110px;
}

.input-group {
  display: flex;
  gap: 8px;
}

.input-group .form-control:first-child {
  flex: 1;
}

.input-group select {
  width: 110px;
  flex-shrink: 0;
}

.price-summary-box {
  background: linear-gradient(135deg, #0a1929 0%, #132f4c 100%);
  color: var(--white);
  padding: 24px 32px;
  border-radius: var(--radius-lg);
  margin: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.price-details h4 {
  color: var(--gold-highlight);
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.price-details p {
  color: #94a3b8;
  font-size: 0.875rem;
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--white);
}

.form-alert {
  padding: 18px 24px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  display: none;
  font-size: 0.95rem;
}

.form-alert.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #065f46;
}

.form-alert.error {
  display: block;
  background-color: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #991b1b;
}

/* 11. ABOUT SECTION */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content h2 {
  font-size: 2.25rem;
  margin-bottom: 20px;
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.about-feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  color: var(--primary-navy);
}

.about-feature-item svg {
  color: var(--accent-teal);
  flex-shrink: 0;
}

.about-card-stat {
  background: linear-gradient(135deg, var(--primary-navy), var(--navy-light));
  border-radius: var(--radius-xl);
  padding: 48px;
  color: var(--white);
  box-shadow: var(--shadow-xl);
  position: relative;
}

.about-card-stat h3 {
  color: var(--gold-highlight);
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.about-card-stat p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.6;
}

/* 12. CONTACT SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
}

.contact-card {
  background-color: var(--white);
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
}

.contact-info-card {
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 40px;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-card h3 {
  color: var(--white);
  font-size: 1.6rem;
  margin-bottom: 12px;
}

.contact-info-card p {
  color: #94a3b8;
  margin-bottom: 32px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: rgba(0, 201, 177, 0.15);
  color: var(--accent-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-text h5 {
  color: #cbd5e1;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.contact-detail-text p, .contact-detail-text a {
  color: var(--white);
  font-size: 1rem;
  font-weight: 500;
}

/* 13. FOOTER */
.footer {
  background-color: #060e17;
  color: var(--white);
  padding: 80px 0 32px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: #94a3b8;
  margin-top: 16px;
  font-size: 0.95rem;
  max-width: 300px;
}

.footer-title {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

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

.footer-links a {
  color: #94a3b8;
  font-size: 0.925rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-teal);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #64748b;
  font-size: 0.875rem;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-admin-link {
  color: var(--gold-highlight);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.footer-admin-link:hover {
  color: var(--gold-hover);
  text-decoration: underline;
}

/* 14. MODAL COMPONENT */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(6, 14, 23, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 20px;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background-color: var(--white);
  width: 100%;
  max-width: 440px;
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: translateY(20px);
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.modal.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background-color: #f1f5f9;
  color: var(--primary-navy);
}

.modal-header {
  margin-bottom: 28px;
  text-align: center;
}

.modal-header h3 {
  font-size: 1.6rem;
  margin-bottom: 6px;
}

.modal-header p {
  font-size: 0.9rem;
}

.demo-hint-box {
  background-color: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-top: 20px;
  font-size: 0.825rem;
  color: var(--text-muted);
  text-align: center;
}

.demo-hint-box code {
  background-color: #e2e8f0;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary-navy);
  font-weight: 600;
}

/* 15. SHARED DASHBOARD & ADMIN STYLES (for admin.html and dashboard.html) */
.dashboard-layout {
  display: flex;
  min-height: 100vh;
  background-color: #f1f5f9;
}

.sidebar {
  width: 260px;
  background-color: var(--primary-navy);
  color: var(--white);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-header {
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-dark);
}

.sidebar-menu {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: #94a3b8;
  font-weight: 500;
  transition: var(--transition-fast);
}

.sidebar-item:hover, .sidebar-item.active {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--white);
}

.sidebar-item.active {
  border-left: 3px solid var(--accent-teal);
}

.main-content {
  flex-grow: 1;
  padding: 32px 40px;
  overflow-y: auto;
}

.top-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.dashboard-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.data-table-container {
  overflow-x: auto;
  background-color: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.925rem;
}

.data-table th {
  background-color: #f8fafc;
  padding: 14px 20px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:hover {
  background-color: #f8fafc;
}

/* 16. RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .steps-grid, .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .about-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--primary-navy);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-dark);
    box-shadow: var(--shadow-lg);
    display: none;
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-actions {
    display: none;
  }
  
  .nav-actions-mobile {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 12px;
    margin-top: 12px;
  }
  
  .steps-grid, .services-grid, .features-grid {
    grid-template-columns: 1fr;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
  
  .order-wrapper {
    padding: 28px 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .price-summary-box {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}