/* ==========================================================================
   VehiclesGO - Modern B2B SaaS Stylesheet
   Material 3 / Expressive Inspired Automotive Tech Theme
   ========================================================================== */

:root {
  /* Color Palette */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-border: #bfdbfe;

  --dark-navy: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;

  --emerald-600: #16a34a;
  --emerald-100: #dcfce7;
  --emerald-800: #166534;

  --amber-600: #d97706;
  --amber-100: #fef3c7;
  --amber-800: #92400e;

  --white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.2s ease-in-out;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--slate-800);
  background-color: var(--white);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-navy);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

p {
  color: var(--slate-600);
  line-height: 1.65;
}

.lead {
  font-size: 1.15rem;
  color: var(--slate-600);
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-alt {
  background-color: var(--slate-50);
}

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

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--white);
}

.section-dark p {
  color: var(--slate-300);
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

/* Header & Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--slate-200);
  height: 5.25rem;
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--dark-navy);
  letter-spacing: -0.03em;
}

.brand-logo-img {
  height: 52px;
  max-width: 250px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-logo-img {
  height: 64px;
  max-width: 300px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-badge {
  background-color: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary-border);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--slate-700);
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--slate-800);
  cursor: pointer;
  padding: 0.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  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(--primary);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--slate-100);
  color: var(--slate-800);
  border-color: var(--slate-300);
}

.btn-secondary:hover {
  background-color: var(--slate-200);
  color: var(--dark-navy);
}

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

.btn-outline:hover {
  background-color: var(--primary-light);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* Badges & Tags */
.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.pill-primary {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

.pill-emerald {
  background-color: var(--emerald-100);
  color: var(--emerald-800);
  border: 1px solid #bbf7d0;
}

.pill-amber {
  background-color: var(--amber-100);
  color: var(--amber-800);
  border: 1px solid #fde68a;
}

/* Hero Section */
.hero-section {
  padding: 5rem 0 4rem;
  background: linear-gradient(180deg, var(--slate-50) 0%, var(--white) 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.25rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

.hero-content .lead {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-preview {
  position: relative;
}

.mockup-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  padding: 1.5rem;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--slate-100);
}

.mockup-dots {
  display: flex;
  gap: 0.4rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--slate-300);
}

.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.mockup-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.stat-box {
  background-color: var(--slate-50);
  padding: 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--slate-500);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dark-navy);
  margin-top: 0.2rem;
}

/* Cards & Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.card {
  background-color: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--slate-300);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card h3 {
  margin-bottom: 0.5rem;
}

/* Feature List Item */
.feature-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.feature-item-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--emerald-100);
  color: var(--emerald-600);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.feature-item-icon svg {
  width: 14px;
  height: 14px;
}

/* Pricing Cards */
.pricing-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius-xl);
  position: relative;
}

.pricing-featured {
  border: 2px solid var(--primary);
  box-shadow: var(--shadow-lg);
}

.pricing-badge-top {
  position: absolute;
  top: -12px;
  right: 20px;
  background-color: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.price-tag {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--dark-navy);
  margin: 1rem 0 0.5rem;
}

.price-period {
  font-size: 0.875rem;
  color: var(--slate-500);
  font-weight: 500;
}

.pricing-notes {
  font-size: 0.85rem;
  color: var(--slate-500);
  background-color: var(--slate-50);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
  border: 1px dashed var(--slate-300);
}

/* Content Pages (Privacy, Account Deletion, Support) */
.page-header {
  padding: 3.5rem 0 2.5rem;
  background: linear-gradient(180deg, var(--slate-100) 0%, var(--white) 100%);
  border-bottom: 1px solid var(--slate-200);
}

.content-block {
  max-width: 860px;
  margin: 0 auto;
}

.content-block h2 {
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--slate-200);
}

.content-block h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-block p {
  margin-bottom: 1.25rem;
}

.content-block ul, .content-block ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--slate-600);
}

.content-block li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.callout-box {
  background-color: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
}

.callout-box p {
  margin-bottom: 0;
  color: var(--slate-800);
  font-weight: 500;
}

.callout-warning {
  background-color: var(--amber-100);
  border-left-color: var(--amber-600);
}

.callout-warning p {
  color: var(--amber-800);
}

/* Footer */
.footer {
  background-color: var(--dark-navy);
  color: var(--slate-300);
  padding: 4rem 0 2rem;
  margin-top: auto;
  border-top: 1px solid var(--slate-800);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.footer-brand .brand-logo {
  color: var(--white);
}

.footer-col h4 {
  color: var(--white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--slate-400);
  font-size: 0.9rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--slate-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--slate-400);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .brand-logo-img {
    height: 46px;
    max-width: 220px;
  }

  .footer-logo-img {
    height: 54px;
    max-width: 260px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .hero-content {
    text-align: center;
  }

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

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

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .section {
    padding: 3.5rem 0;
  }

  .nav-links {
    position: fixed;
    top: 5.25rem;
    left: 0;
    width: 100%;
    background-color: var(--white);
    flex-direction: column;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--slate-200);
    display: none;
  }

  .nav-links.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .stat-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 390px) {
  .container {
    padding: 0 1rem;
  }

  .brand-logo-img {
    height: 40px;
    max-width: 190px;
  }

  .footer-logo-img {
    height: 46px;
    max-width: 220px;
  }

  .btn-lg {
    width: 100%;
  }

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

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