/* ============================================
   DriverLine - Main Stylesheet
   Modern, B2B Professional Design System
   ============================================ */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Colors - Professional, Trust-Forward Palette */
  --color-primary: #1a2b4a;
  --color-primary-dark: #0f1a2e;
  --color-primary-light: #2d4470;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-light: #3b82f6;

  --color-text-primary: #1f2937;
  --color-text-secondary: #4b5563;
  --color-text-muted: #6b7280;
  --color-text-light: #9ca3af;
  --color-text-inverse: #ffffff;

  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f9fafb;
  --color-bg-tertiary: #f3f4f6;
  --color-bg-dark: #111827;
  --color-bg-dark-secondary: #1f2937;

  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-border-dark: #d1d5db;

  --color-success: #059669;
  --color-error: #dc2626;

  /* Typography Scale */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;

  /* Borders & Shadows */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --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);

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

  /* Z-Index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

* {
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

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

ul, ol {
  list-style: none;
}

/* Focus Styles for Accessibility */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-4xl);
  font-weight: 700;
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

@media (min-width: 768px) {
  h1 {
    font-size: var(--text-5xl);
  }

  h2 {
    font-size: var(--text-4xl);
  }

  h3 {
    font-size: var(--text-3xl);
  }
}

@media (min-width: 1024px) {
  h1 {
    font-size: var(--text-6xl);
  }
}

p {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.text-large {
  font-size: var(--text-lg);
}

.text-small {
  font-size: var(--text-sm);
}

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

/* ============================================
   Layout Components
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding: var(--space-16) 0;
}

.section--lg {
  padding: var(--space-20) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-20) 0;
  }

  .section--lg {
    padding: var(--space-24) 0;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: var(--space-24) 0;
  }

  .section--lg {
    padding: var(--space-32) 0;
  }
}

.section--dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

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

.section--dark p {
  color: var(--color-text-light);
}

.section--gray {
  background-color: var(--color-bg-secondary);
}

.section--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.section--primary h1,
.section--primary h2,
.section--primary h3 {
  color: var(--color-text-inverse);
}

.section--primary p {
  color: rgba(255, 255, 255, 0.85);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

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

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

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

@media (min-width: 640px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (min-width: 768px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .grid {
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

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

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

/* ============================================
   Header & Navigation
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background-color: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

@media (min-width: 768px) {
  .header__inner {
    height: 80px;
  }
}

.logo {
  display: flex;
  align-items: center;
  padding: var(--space-2) 0;
}

.logo__img {
  max-height: 34px;
  width: auto;
  display: block;
}

@media (min-width: 768px) {
  .logo__img {
    max-height: 40px;
  }
}

.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
  }
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-primary);
}

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

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-menu-btn__icon {
  width: 24px;
  height: 24px;
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-bg-primary);
  padding: var(--space-6);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  z-index: var(--z-fixed);
  overflow-y: auto;
}

.mobile-nav--open {
  transform: translateX(0);
}

@media (min-width: 768px) {
  .mobile-nav {
    display: none;
  }
}

.mobile-nav__link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__link--active {
  color: var(--color-accent);
}

.mobile-nav__cta {
  margin-top: var(--space-6);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--primary:hover:not(:disabled) {
  background-color: var(--color-accent-hover);
}

.btn--secondary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--secondary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-text-inverse);
  border: 2px solid var(--color-text-inverse);
}

.btn--outline-light:hover:not(:disabled) {
  background-color: var(--color-text-inverse);
  color: var(--color-primary);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.btn--ghost:hover:not(:disabled) {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--full {
  width: 100%;
}

.btn__icon {
  width: 18px;
  height: 18px;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding-top: calc(80px + var(--space-20));
    padding-bottom: var(--space-20);
  }
}

@media (min-width: 1024px) {
  .hero {
    padding-top: calc(80px + var(--space-24));
    padding-bottom: var(--space-24);
  }
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* Layer 1: Non-uniform plus marks with varied opacity/scale */
.hero__background::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg width='200' height='200' viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff'%3E%3Cpath d='M25 22v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z' opacity='0.9'/%3E%3Cpath d='M95 18v-3h-1.5v3h-3v1.5h3v3h1.5v-3h3v-1.5h-3z' opacity='0.5' transform='scale(0.8)'/%3E%3Cpath d='M170 30v-5h-2v5h-5v2h5v5h2v-5h5v-2h-5z' opacity='0.7'/%3E%3Cpath d='M45 85v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z' opacity='0.6'/%3E%3Cpath d='M130 75v-5h-2v5h-5v2h5v5h2v-5h5v-2h-5z' opacity='0.8'/%3E%3Cpath d='M185 95v-3h-1.5v3h-3v1.5h3v3h1.5v-3h3v-1.5h-3z' opacity='0.4'/%3E%3Cpath d='M70 140v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z' opacity='0.7'/%3E%3Cpath d='M155 155v-5h-2v5h-5v2h5v5h2v-5h5v-2h-5z' opacity='0.5'/%3E%3Cpath d='M20 170v-3h-1.5v3h-3v1.5h3v3h1.5v-3h3v-1.5h-3z' opacity='0.6'/%3E%3Cpath d='M110 185v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z' opacity='0.8'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

/* Layer 2: Abstract logistics flow - dotted paths and nodes */
.hero__background::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='800' height='600' viewBox='0 0 800 600'%3E%3Cg fill='none' stroke='%23ffffff' stroke-linecap='round'%3E%3Cpath d='M50 450 Q 200 380, 350 420 T 600 350 T 780 400' stroke-width='1' stroke-dasharray='8 12' opacity='0.6'/%3E%3Cpath d='M100 150 Q 250 200, 400 140 T 650 180' stroke-width='0.8' stroke-dasharray='4 8' opacity='0.4'/%3E%3Cpath d='M650 80 Q 700 150, 680 250 T 720 400' stroke-width='1' stroke-dasharray='6 10' opacity='0.5'/%3E%3Cpath d='M-20 300 Q 100 280, 180 320' stroke-width='0.8' stroke-dasharray='3 6' opacity='0.3'/%3E%3C/g%3E%3Cg fill='%23ffffff'%3E%3Ccircle cx='50' cy='450' r='3' opacity='0.5'/%3E%3Ccircle cx='350' cy='418' r='2.5' opacity='0.4'/%3E%3Ccircle cx='600' cy='352' r='3' opacity='0.5'/%3E%3Ccircle cx='780' cy='400' r='2' opacity='0.3'/%3E%3Ccircle cx='100' cy='150' r='2.5' opacity='0.4'/%3E%3Ccircle cx='400' cy='142' r='2' opacity='0.3'/%3E%3Ccircle cx='650' cy='178' r='2.5' opacity='0.4'/%3E%3Ccircle cx='650' cy='80' r='2' opacity='0.3'/%3E%3Ccircle cx='720' cy='400' r='2.5' opacity='0.4'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  animation: heroFlowDrift 45s linear infinite;
  pointer-events: none;
}

/* Subtle slow drift animation */
@keyframes heroFlowDrift {
  0% {
    transform: translateX(0) translateY(0);
  }
  50% {
    transform: translateX(15px) translateY(-8px);
  }
  100% {
    transform: translateX(0) translateY(0);
  }
}

/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .hero__background::after {
    animation: none;
  }
}

/* Soft spotlight gradient behind hero text for contrast */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 70% at 20% 50%, rgba(0, 0, 0, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-light);
  margin-bottom: var(--space-4);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--text-5xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--text-6xl);
  }
}

.hero__description {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: var(--space-8);
  max-width: 540px;
}

@media (min-width: 768px) {
  .hero__description {
    font-size: var(--text-xl);
  }
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .hero__actions {
    flex-direction: row;
    gap: var(--space-5);
  }
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-12);
}

.section-header--left {
  text-align: left;
  margin-left: 0;
}

.section-header__eyebrow {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-3);
}

.section-header__title {
  margin-bottom: var(--space-4);
}

.section-header__description {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto;
}

.section-header--left .section-header__description {
  margin-left: 0;
}

/* ============================================
   Feature/Problem Cards
   ============================================ */

.card {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card--dark {
  background-color: var(--color-bg-dark-secondary);
  border-color: rgba(255, 255, 255, 0.1);
}

.card--dark:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.card--flat {
  border: none;
  background-color: transparent;
}

.card--flat:hover {
  box-shadow: none;
  transform: none;
}

.card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

.card--dark .card__icon {
  background-color: rgba(37, 99, 235, 0.15);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

.card--dark .card__title {
  color: var(--color-text-inverse);
}

.card--dark .card__description {
  color: var(--color-text-light);
}

/* ============================================
   Problem/Solution Lists
   ============================================ */

.problem-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.problem-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.problem-list__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--color-error);
}

.problem-list__icon--check {
  color: var(--color-success);
}

.problem-list__content h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.problem-list__content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   How It Works / Steps
   ============================================ */

.steps {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  position: relative;
  text-align: center;
}

@media (min-width: 1024px) {
  .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 32px;
    left: calc(50% + 40px);
    width: calc(100% - 80px);
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-border));
  }
}

.step__number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-2xl);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
  position: relative;
  z-index: 1;
}

.step__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.step__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 250px;
  margin: 0 auto;
}

/* ============================================
   Trust Section
   ============================================ */

.trust-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
}

@media (min-width: 1024px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.trust-item {
  display: flex;
  gap: var(--space-4);
}

.trust-item__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
}

.trust-item__icon svg {
  width: 20px;
  height: 20px;
}

.trust-item__content h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.trust-item__content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ============================================
   Audience/Who We Serve
   ============================================ */

.audience-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .audience-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
  }
}

.audience-card {
  text-align: center;
  padding: var(--space-8);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.audience-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-radius: var(--radius-xl);
  margin: 0 auto var(--space-4);
}

.audience-card__icon svg {
  width: 32px;
  height: 32px;
}

.audience-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.audience-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   CTA Band
   ============================================ */

.cta-band {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
  padding: var(--space-12) 0;
  text-align: center;
}

@media (min-width: 768px) {
  .cta-band {
    padding: var(--space-16) 0;
  }
}

.cta-band__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .cta-band__title {
    font-size: var(--text-3xl);
  }
}

.cta-band__description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-6);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-band__actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

@media (min-width: 480px) {
  .cta-band__actions {
    flex-direction: row;
    justify-content: center;
  }
}

/* ============================================
   Forms
   ============================================ */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.form-row {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .form-row--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.form-label--required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--color-border-dark);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-light);
}

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

.form-input--error,
.form-textarea--error {
  border-color: var(--color-error);
}

.form-input--error:focus,
.form-textarea--error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-error {
  font-size: var(--text-sm);
  color: var(--color-error);
}

.form-help {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.form-success {
  padding: var(--space-4);
  background-color: rgba(5, 150, 105, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  color: var(--color-success);
  text-align: center;
}

/* ============================================
   Contact Section
   ============================================ */

.contact-section {
  display: grid;
  gap: var(--space-12);
}

@media (min-width: 1024px) {
  .contact-section {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
  }
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  color: var(--color-accent);
}

.contact-info__icon svg {
  width: 24px;
  height: 24px;
}

.contact-info__content h4 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.contact-info__content p,
.contact-info__content a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-info__content a:hover {
  color: var(--color-accent);
}

.contact-form-wrapper {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

@media (min-width: 768px) {
  .contact-form-wrapper {
    padding: var(--space-10);
  }
}

.contact-form-wrapper__title {
  font-size: var(--text-2xl);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.contact-form-wrapper__description {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: var(--space-16) 0 var(--space-8);
}

.footer__grid {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
  }
}

.footer__brand {
  max-width: 300px;
  background: transparent;
}

.footer__logo {
  display: inline-block;
  margin-bottom: var(--space-4);
  background: transparent;
}

.footer__logo-img {
  max-height: 32px;
  width: auto;
  display: block;
}

@media (min-width: 768px) {
  .footer__logo-img {
    max-height: 36px;
  }
}

.footer__description {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
}

.footer__column-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-inverse);
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal-link {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.footer__legal-link:hover {
  color: var(--color-text-inverse);
}

.footer__address {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-top: var(--space-3);
}

.footer__legal-note {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* ============================================
   Subpage Hero (About, Resources, Contact)
   ============================================ */

.subpage-hero {
  background: linear-gradient(135deg, #2E5BFF 0%, #1E2B55 100%);
  padding: 64px 0;
  padding-top: calc(72px + 64px);
  color: #fff;
}

@media (min-width: 768px) {
  .subpage-hero {
    padding-top: calc(80px + 64px);
  }
}

.subpage-hero h1,
.subpage-hero p {
  color: #fff !important;
}

.subpage-hero p {
  opacity: .9;
  max-width: 900px;
}

/* ============================================
   About Page Specific
   ============================================ */

.about-hero {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-16);
  background-color: var(--color-bg-secondary);
}

@media (min-width: 768px) {
  .about-hero {
    padding-top: calc(80px + var(--space-20));
    padding-bottom: var(--space-20);
  }
}

.about-hero__content {
  max-width: 700px;
}

.about-hero__title {
  margin-bottom: var(--space-6);
}

.about-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Leadership Section */
.leadership-section {
  text-align: center;
}

.leadership-section__subhead {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.leadership-section__text {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  font-size: var(--text-base);
  margin: 0;
}

.values-grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.value-item {
  padding: var(--space-6);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.value-item__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.value-item__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.value-item__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* Mission Statement */
.mission {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 1024px) {
  .mission {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

.mission__content {
  order: 2;
}

@media (min-width: 1024px) {
  .mission__content {
    order: 1;
  }
}

.mission__visual {
  order: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

@media (min-width: 1024px) {
  .mission__visual {
    order: 2;
  }
}

.mission__visual-icon {
  width: 120px;
  height: 120px;
  color: var(--color-accent);
}

@media (min-width: 768px) {
  .mission__visual-icon {
    width: 160px;
    height: 160px;
  }
}

.mission__title {
  margin-bottom: var(--space-4);
}

.mission__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.mission__text:last-of-type {
  margin-bottom: 0;
}

/* ============================================
   Contact Page Specific
   ============================================ */

.contact-hero {
  padding-top: calc(72px + var(--space-16));
  padding-bottom: var(--space-12);
  background-color: var(--color-bg-secondary);
}

@media (min-width: 768px) {
  .contact-hero {
    padding-top: calc(80px + var(--space-20));
    padding-bottom: var(--space-16);
  }
}

.contact-hero__content {
  max-width: 600px;
  text-align: center;
  margin: 0 auto;
}

.contact-hero__title {
  margin-bottom: var(--space-4);
}

.contact-hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* ============================================
   Utility Classes
   ============================================ */

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

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   Cost Calculator
   ============================================ */

.calculator {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .calculator {
    grid-template-columns: 1fr 400px;
    align-items: start;
  }
}

.calculator__form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.calculator__section {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.calculator__section-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.calculator__section-title svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.calculator__grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .calculator__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .calculator__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.calculator__results {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: sticky;
  top: 100px;
}

.calculator__results-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.calculator__results-breakdown {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.calculator__result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.calculator__result-label {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.95);
}

.calculator__result-value {
  font-weight: 600;
  color: #ffffff;
}

.calculator__total {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.calculator__total-label {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--space-2);
}

.calculator__total-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #ffffff;
}

.calculator__cta {
  text-align: center;
}

.calculator__cta .btn {
  width: 100%;
  margin-bottom: var(--space-3);
}

.calculator__cta-note {
  font-size: var(--text-sm);
  opacity: 0.8;
}

/* Tooltip */
.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  padding: 0;
  margin-left: var(--space-1);
  cursor: help;
  color: var(--color-text-muted);
  position: relative;
}

.tooltip-trigger svg {
  width: 16px;
  height: 16px;
}

.tooltip-trigger:hover + .tooltip,
.tooltip-trigger:focus + .tooltip {
  visibility: visible;
  opacity: 1;
}

.tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 400;
  line-height: var(--leading-relaxed);
  width: 220px;
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 100;
  margin-bottom: var(--space-2);
}

.form-label {
  position: relative;
}

/* Cost Factors Grid */
.cost-factors {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.cost-factor {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.cost-factor__icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.cost-factor span {
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* Estimator Teaser */
.estimator-teaser {
  display: grid;
  gap: var(--space-8);
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e40af 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.estimator-teaser::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.estimator-teaser__content,
.estimator-teaser__visual {
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .estimator-teaser {
    grid-template-columns: 1fr auto;
    padding: var(--space-10) var(--space-12);
  }
}

.estimator-teaser__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: #ffffff;
}

@media (min-width: 768px) {
  .estimator-teaser__title {
    font-size: var(--text-3xl);
  }
}

.estimator-teaser__description {
  font-size: var(--text-base);
  font-weight: 500;
  opacity: 0.95;
  margin-bottom: var(--space-6);
  max-width: 600px;
  color: #ffffff;
}

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

.estimator-teaser .btn--primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

.estimator-teaser__visual {
  display: none;
}

@media (min-width: 768px) {
  .estimator-teaser__visual {
    display: block;
  }
}

.estimator-teaser__icon {
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.estimator-teaser__icon svg {
  width: 64px;
  height: 64px;
  stroke: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Legal Content (Privacy, Terms)
   ============================================ */

.legal-content {
  max-width: 100%;
}

.legal-content__updated {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

.legal-content__heading {
  font-size: var(--text-3xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-border);
}

.legal-content__subheading {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.legal-content p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
}

.legal-content__list {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.legal-content__list li {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
  position: relative;
}

.legal-content__list li::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-4));
  top: 0.6em;
  width: 6px;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: var(--radius-full);
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-content a:hover {
  color: var(--color-accent-hover);
}

.legal-content__contact {
  background-color: var(--color-bg-secondary);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  margin-top: var(--space-4);
}

.legal-content__contact p {
  margin-bottom: var(--space-4);
}

.legal-content__contact p:last-child {
  margin-bottom: 0;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-up {
  animation: slideUp var(--transition-slow) ease-out;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .header,
  .footer,
  .cta-band,
  .mobile-nav {
    display: none;
  }

  .hero {
    padding-top: var(--space-8);
  }

  body {
    font-size: 12pt;
  }
}