/* ============================================================
   CapaTransport Pro - Main Design System
   Dark Industrial / Trucking Theme
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@300;400;500;600;700&family=Roboto:wght@300;400;500;700;900&family=Roboto+Mono:wght@400;500;700&display=swap');

/* ============================================================
   CSS Custom Properties
   ============================================================ */
:root {
  /* Brand colors */
  --ct-primary: #FF6B00;
  --ct-primary-hover: #E05E00;
  --ct-primary-light: rgba(255, 107, 0, 0.15);
  --ct-secondary: #1A1A2E;
  --ct-accent: #E94560;
  --ct-accent-light: rgba(233, 69, 96, 0.15);
  --ct-success: #0F9B58;
  --ct-success-light: rgba(15, 155, 88, 0.15);
  --ct-warning: #FFC300;
  --ct-warning-light: rgba(255, 195, 0, 0.15);
  --ct-info: #2196F3;
  --ct-info-light: rgba(33, 150, 243, 0.15);

  /* Backgrounds & surfaces */
  --ct-bg: #0D0D1A;
  --ct-surface: #16213E;
  --ct-surface2: #1A2744;
  --ct-surface3: #1E2D50;

  /* Text */
  --ct-text: #FFFFFF;
  --ct-text2: #B0BEC5;
  --ct-text3: #6C7A89;

  /* Borders */
  --ct-border: #2A3F5F;
  --ct-border-light: rgba(42, 63, 95, 0.5);

  /* Gradients */
  --ct-gradient: linear-gradient(135deg, #FF6B00, #E94560);
  --ct-gradient-dark: linear-gradient(135deg, #1A1A2E, #16213E);
  --ct-gradient-surface: linear-gradient(145deg, rgba(22, 33, 62, 0.8), rgba(26, 39, 68, 0.6));

  /* Shadows */
  --ct-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --ct-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --ct-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --ct-shadow-glow: 0 0 20px rgba(255, 107, 0, 0.3);

  /* Spacing */
  --ct-space-xs: 0.25rem;
  --ct-space-sm: 0.5rem;
  --ct-space-md: 1rem;
  --ct-space-lg: 1.5rem;
  --ct-space-xl: 2rem;
  --ct-space-2xl: 3rem;
  --ct-space-3xl: 4rem;

  /* Border radius */
  --ct-radius-sm: 6px;
  --ct-radius-md: 10px;
  --ct-radius-lg: 16px;
  --ct-radius-xl: 24px;
  --ct-radius-full: 50%;

  /* Transitions */
  --ct-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ct-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --ct-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-indexes */
  --ct-z-dropdown: 100;
  --ct-z-sticky: 200;
  --ct-z-fixed: 300;
  --ct-z-modal-backdrop: 400;
  --ct-z-modal: 500;
  --ct-z-toast: 600;
  --ct-z-tooltip: 700;

  /* Typography */
  --ct-font-heading: 'Oswald', sans-serif;
  --ct-font-body: 'Roboto', sans-serif;
  --ct-font-mono: 'Roboto Mono', monospace;

  /* Font sizes (fluid) */
  --ct-fs-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --ct-fs-sm: clamp(0.8rem, 0.75rem + 0.3vw, 0.9rem);
  --ct-fs-base: clamp(0.95rem, 0.9rem + 0.3vw, 1.05rem);
  --ct-fs-md: clamp(1rem, 0.95rem + 0.35vw, 1.15rem);
  --ct-fs-lg: clamp(1.15rem, 1.05rem + 0.5vw, 1.35rem);
  --ct-fs-xl: clamp(1.35rem, 1.2rem + 0.75vw, 1.75rem);
  --ct-fs-2xl: clamp(1.75rem, 1.5rem + 1.25vw, 2.5rem);
  --ct-fs-3xl: clamp(2.25rem, 1.8rem + 2vw, 3.5rem);
  --ct-fs-4xl: clamp(2.75rem, 2rem + 3vw, 4.5rem);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ct-font-body);
  font-size: var(--ct-fs-base);
  line-height: 1.6;
  color: var(--ct-text);
  background-color: var(--ct-bg);
  min-height: 100vh;
  /* `hidden` ferait du body un conteneur de defilement : window.scrollTo() et
     les ancres cesseraient de fonctionner. `clip` coupe le debordement
     horizontal sans creer ce conteneur. La ligne `hidden` sert de repli pour
     les navigateurs qui ignorent `clip`. */
  overflow-x: hidden;
  overflow-x: clip;
}

/* Decale la cible des ancres pour qu'elle ne passe pas sous la navbar fixe.
   Remplace le calcul d'offset qui etait fait en JavaScript. */
:target,
section[id],
[id="hero"] {
  scroll-margin-top: 5rem;
}

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

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

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

a:hover {
  color: var(--ct-accent);
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

/* ============================================================
   Selection
   ============================================================ */
::selection {
  background-color: var(--ct-primary);
  color: var(--ct-text);
}

::-moz-selection {
  background-color: var(--ct-primary);
  color: var(--ct-text);
}

/* ============================================================
   Scrollbar Styling
   ============================================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--ct-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--ct-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--ct-primary);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--ct-border) var(--ct-bg);
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ct-font-heading);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--ct-text);
}

h1 {
  font-size: var(--ct-fs-4xl);
  font-weight: 700;
  letter-spacing: 0.04em;
}

h2 {
  font-size: var(--ct-fs-3xl);
  font-weight: 700;
}

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

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

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

h6 {
  font-size: var(--ct-fs-md);
  font-weight: 500;
}

p {
  margin-bottom: var(--ct-space-md);
  color: var(--ct-text2);
  line-height: 1.7;
}

.mono {
  font-family: var(--ct-font-mono);
}

.text--gradient {
  background: var(--ct-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text--primary { color: var(--ct-primary); }
.text--accent { color: var(--ct-accent); }
.text--success { color: var(--ct-success); }
.text--warning { color: var(--ct-warning); }
.text--muted { color: var(--ct-text2); }

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

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

strong {
  font-weight: 700;
}

/* ============================================================
   Container
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--ct-space-md);
}

.container--sm {
  max-width: 720px;
}

.container--lg {
  max-width: 1440px;
}

.container--fluid {
  max-width: 100%;
}

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

/* ============================================================
   Grid & Flex Utilities
   ============================================================ */
.grid {
  display: grid;
  gap: var(--ct-space-lg);
}

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

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

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

@media (min-width: 768px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.flex {
  display: flex;
}

.flex--center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.flex--wrap {
  flex-wrap: wrap;
}

.flex--gap-sm { gap: var(--ct-space-sm); }
.flex--gap-md { gap: var(--ct-space-md); }
.flex--gap-lg { gap: var(--ct-space-lg); }

.align--center { align-items: center; }
.align--start { align-items: flex-start; }
.align--end { align-items: flex-end; }

.justify--center { justify-content: center; }
.justify--between { justify-content: space-between; }
.justify--end { justify-content: flex-end; }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ct-space-sm);
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  font-family: var(--ct-font-heading);
  font-size: var(--ct-fs-md);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--ct-radius-md);
  cursor: pointer;
  transition: all var(--ct-transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary button */
.btn--primary {
  background: var(--ct-gradient);
  color: var(--ct-text);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.btn--primary:hover {
  box-shadow: 0 6px 25px rgba(255, 107, 0, 0.5);
  transform: translateY(-2px);
}

.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--ct-transition);
}

.btn--primary:hover::before {
  opacity: 1;
}

/* Secondary button */
.btn--secondary {
  background: var(--ct-surface);
  color: var(--ct-text);
  border-color: var(--ct-border);
}

.btn--secondary:hover {
  background: var(--ct-surface2);
  border-color: var(--ct-primary);
  color: var(--ct-primary);
}

/* Success button */
.btn--success {
  background: var(--ct-success);
  color: var(--ct-text);
}

.btn--success:hover {
  background: #0DAE4F;
  box-shadow: 0 4px 15px rgba(15, 155, 88, 0.4);
  transform: translateY(-2px);
}

/* Danger button */
.btn--danger {
  background: var(--ct-accent);
  color: var(--ct-text);
}

.btn--danger:hover {
  background: #D63851;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
  transform: translateY(-2px);
}

/* Outline button */
.btn--outline {
  background: transparent;
  color: var(--ct-primary);
  border-color: var(--ct-primary);
}

.btn--outline:hover {
  background: var(--ct-primary-light);
  box-shadow: 0 0 15px rgba(255, 107, 0, 0.2);
}

/* Button sizes */
.btn--sm {
  min-height: 36px;
  padding: 0.4rem 1rem;
  font-size: var(--ct-fs-sm);
}

.btn--lg {
  min-height: 56px;
  padding: 1rem 2.5rem;
  font-size: var(--ct-fs-lg);
}

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

.btn--icon {
  min-width: 48px;
  padding: 0.75rem;
}

/* ============================================================
   Form Inputs
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--ct-space-sm);
  margin-bottom: var(--ct-space-lg);
}

.form-label {
  font-family: var(--ct-font-heading);
  font-size: var(--ct-fs-sm);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ct-text2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  font-size: var(--ct-fs-base);
  color: var(--ct-text);
  background: var(--ct-surface);
  border: 2px solid var(--ct-border);
  border-radius: var(--ct-radius-md);
  outline: none;
  transition: all var(--ct-transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--ct-primary);
  box-shadow: 0 0 0 3px var(--ct-primary-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--ct-text3);
}

.form-input--error {
  border-color: var(--ct-accent);
  box-shadow: 0 0 0 3px var(--ct-accent-light);
}

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath fill='%23B0BEC5' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-checkbox,
.form-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--ct-space-sm);
  cursor: pointer;
  user-select: none;
}

.form-checkbox input,
.form-radio input {
  width: 20px;
  height: 20px;
  accent-color: var(--ct-primary);
}

.form-hint {
  font-size: var(--ct-fs-xs);
  color: var(--ct-text3);
}

.form-error {
  font-size: var(--ct-fs-xs);
  color: var(--ct-accent);
}

/* ============================================================
   Card Component (Glassmorphism)
   ============================================================ */
.card {
  background: rgba(22, 33, 62, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(42, 63, 95, 0.5);
  border-radius: var(--ct-radius-lg);
  padding: var(--ct-space-lg);
  transition: all var(--ct-transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 107, 0, 0.3), transparent);
  opacity: 0;
  transition: opacity var(--ct-transition);
}

.card:hover {
  border-color: rgba(255, 107, 0, 0.3);
  box-shadow: var(--ct-shadow-md);
  transform: translateY(-2px);
}

.card:hover::before {
  opacity: 1;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--ct-space-lg);
  padding-bottom: var(--ct-space-md);
  border-bottom: 1px solid var(--ct-border-light);
}

.card__title {
  font-family: var(--ct-font-heading);
  font-size: var(--ct-fs-lg);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card__body {
  flex: 1;
}

.card__footer {
  margin-top: var(--ct-space-lg);
  padding-top: var(--ct-space-md);
  border-top: 1px solid var(--ct-border-light);
}

.card--flat {
  backdrop-filter: none;
  background: var(--ct-surface);
}

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

.card--bordered {
  border: 2px solid var(--ct-border);
}

.card--glow {
  box-shadow: var(--ct-shadow-glow);
}

/* ============================================================
   Spacing Utilities
   ============================================================ */
.m-0 { margin: 0; }
.mt-sm { margin-top: var(--ct-space-sm); }
.mt-md { margin-top: var(--ct-space-md); }
.mt-lg { margin-top: var(--ct-space-lg); }
.mt-xl { margin-top: var(--ct-space-xl); }
.mt-2xl { margin-top: var(--ct-space-2xl); }
.mb-sm { margin-bottom: var(--ct-space-sm); }
.mb-md { margin-bottom: var(--ct-space-md); }
.mb-lg { margin-bottom: var(--ct-space-lg); }
.mb-xl { margin-bottom: var(--ct-space-xl); }
.mb-2xl { margin-bottom: var(--ct-space-2xl); }

.p-0 { padding: 0; }
.p-sm { padding: var(--ct-space-sm); }
.p-md { padding: var(--ct-space-md); }
.p-lg { padding: var(--ct-space-lg); }
.p-xl { padding: var(--ct-space-xl); }

/* ============================================================
   Animations
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.anim--fadeIn { animation: fadeIn 0.4s ease-out; }
.anim--slideUp { animation: slideUp 0.5s ease-out; }
.anim--slideIn { animation: slideIn 0.5s ease-out; }
.anim--pulse { animation: pulse 2s ease-in-out infinite; }
.anim--spin { animation: spin 1s linear infinite; }

/* Staggered animation delays */
.anim-delay-1 { animation-delay: 0.1s; animation-fill-mode: backwards; }
.anim-delay-2 { animation-delay: 0.2s; animation-fill-mode: backwards; }
.anim-delay-3 { animation-delay: 0.3s; animation-fill-mode: backwards; }
.anim-delay-4 { animation-delay: 0.4s; animation-fill-mode: backwards; }
.anim-delay-5 { animation-delay: 0.5s; animation-fill-mode: backwards; }

/* ============================================================
   Responsive Utilities
   ============================================================ */
.hide { display: none !important; }
.show { display: block !important; }

/* Mobile only */
.hide--mobile {
  display: none !important;
}

@media (min-width: 768px) {
  .hide--mobile {
    display: block !important;
  }
  .show--mobile-only {
    display: none !important;
  }
}

/* Tablet and up */
.hide--tablet {
  display: block !important;
}

@media (min-width: 768px) {
  .hide--tablet {
    display: none !important;
  }
}

/* Desktop only */
.show--desktop {
  display: none !important;
}

@media (min-width: 1024px) {
  .show--desktop {
    display: block !important;
  }
  .hide--desktop {
    display: none !important;
  }
}

/* ============================================================
   Miscellaneous Utilities
   ============================================================ */
.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;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.w-full { width: 100%; }
.h-full { height: 100%; }

.divider {
  height: 1px;
  background: var(--ct-border);
  margin: var(--ct-space-lg) 0;
  border: none;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--ct-surface) 25%, var(--ct-surface2) 50%, var(--ct-surface) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--ct-radius-sm);
}

.skeleton--text {
  height: 1em;
  margin-bottom: 0.5em;
  width: 80%;
}

.skeleton--circle {
  border-radius: 50%;
}