/*
Theme Name: Nessfit
Theme URI: https://nessfit.fr
Author: Nessfit
Author URI: https://nessfit.fr
Description: Thème WordPress pour Nessfit - Sport, Fitness, Crossfit et Électrostimulation. Design moderne, dynamique et optimisé SEO.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nessfit
Tags: sport, fitness, crossfit, one-column, two-columns, custom-menu, custom-logo, featured-images, full-width-template, sticky-post, theme-options, translation-ready
*/

/* ============================================
   VARIABLES CSS
============================================ */
:root {
  --color-primary: #e8300f;
  --color-primary-dark: #b8230b;
  --color-primary-light: #ff5533;
  --color-secondary: #ff6b00;
  --color-dark: #0d0d0d;
  --color-dark-2: #1a1a1a;
  --color-dark-3: #242424;
  --color-dark-4: #2e2e2e;
  --color-gray: #888888;
  --color-gray-light: #c0c0c0;
  --color-border: #333333;
  --color-white: #ffffff;
  --color-off-white: #f5f5f5;
  --font-heading: 'Bebas Neue', 'Impact', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 8rem;
  --container-max: 1280px;
  --container-padding: 1.5rem;
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(232,48,15,0.3);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html { font-size: var(--font-size-base); scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-white);
  background-color: var(--color-dark);
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHIE
============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h4 { font-size: clamp(1.2rem, 2.5vw, 2rem); }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p { margin-bottom: 1.25rem; color: var(--color-gray-light); }

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

strong, b { font-weight: 700; }
em, i { font-style: italic; }

ul, ol { padding-left: 1.5rem; margin-bottom: 1.25rem; color: var(--color-gray-light); }
li { margin-bottom: 0.5rem; }

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

/* ============================================
   LAYOUT
============================================ */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.site-wrapper { display: flex; flex-direction: column; min-height: 100vh; }
.site-main { flex: 1; }

.grid { display: grid; gap: var(--spacing-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.content-sidebar {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-md);
  align-items: start;
}

/* ============================================
   EN-TÊTE
============================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(13,13,13,0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: var(--spacing-md);
}

.site-logo a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-logo img { height: 40px; width: auto; }
.logo-text { color: var(--color-primary); }

.main-nav ul {
  display: flex;
  align-items: center;
  list-style: none;
  padding: 0; margin: 0;
  gap: 0.25rem;
}

.main-nav a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--color-gray-light);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.main-nav a:hover,
.main-nav .current-menu-item > a,
.main-nav .current-menu-ancestor > a {
  color: var(--color-white);
  background: rgba(255,255,255,0.05);
}

.main-nav .menu-item { position: relative; }

.main-nav .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-base);
  z-index: 100;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
}

.main-nav .menu-item:hover > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav .sub-menu a {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

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

.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  color: var(--color-white);
  flex-direction: column;
  gap: 4px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: all var(--transition-fast);
}

/* Menu mobile ouvert */
.mobile-menu-open .main-nav {
  display: flex;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--color-dark-2);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem;
  z-index: 999;
}

.mobile-menu-open .main-nav ul {
  flex-direction: column;
  width: 100%;
  align-items: flex-start;
}

.mobile-menu-open .main-nav a {
  padding: 0.75rem 1rem;
  width: 100%;
}

/* ============================================
   PIED DE PAGE
============================================ */
.site-footer {
  background: var(--color-dark-2);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.footer-description { font-size: 0.9rem; color: var(--color-gray); line-height: 1.7; margin-bottom: 0; }

.footer-heading {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--color-white);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 0.6rem; }
.footer-links a { color: var(--color-gray); font-size: 0.9rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copyright { font-size: 0.85rem; color: var(--color-gray); margin: 0; }

.footer-legal { display: flex; gap: 1.5rem; list-style: none; padding: 0; margin: 0; }
.footer-legal a { font-size: 0.85rem; color: var(--color-gray); }
.footer-legal a:hover { color: var(--color-primary); }

.social-links { display: flex; gap: 0.75rem; margin-top: 1.25rem; }

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-dark-3);
  border: 1px solid var(--color-border);
  color: var(--color-gray-light);
  font-size: 1rem;
  transition: all var(--transition-base);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ============================================
   BOUTONS
============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn-primary { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-white); }
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary { background: transparent; border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); }

.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-white); }
.btn-outline:hover { border-color: var(--color-white); background: rgba(255,255,255,0.05); }

.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.8rem; }

/* ============================================
   CARTES ARTICLES
============================================ */
.card {
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232,48,15,0.5);
}

.card-image { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.card:hover .card-image img { transform: scale(1.05); }

.card-body { padding: 1.5rem; }

.card-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(232,48,15,0.15);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}

.card-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-white);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.card-title a { color: inherit; }
.card-title a:hover { color: var(--color-primary); }

.card-excerpt { font-size: 0.9rem; color: var(--color-gray); line-height: 1.6; margin-bottom: 1.25rem; }

.card-meta { display: flex; align-items: center; gap: 1rem; font-size: 0.8rem; color: var(--color-gray); }

.card-meta-item { display: flex; align-items: center; gap: 0.4rem; }

/* ============================================
   HERO
============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}

.hero-background { position: absolute; inset: 0; z-index: 0; }
.hero-background img, .hero-background video { width: 100%; height: 100%; object-fit: cover; }

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(13,13,13,0.9) 0%, rgba(13,13,13,0.6) 50%, rgba(232,48,15,0.15) 100%);
}

.hero-content { position: relative; z-index: 1; max-width: 680px; }

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(232,48,15,0.15);
  border: 1px solid rgba(232,48,15,0.4);
  border-radius: 999px;
  color: var(--color-primary-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title { color: var(--color-white); margin-bottom: 1.5rem; }
.hero-title span { color: var(--color-primary); display: block; }

.hero-description { font-size: 1.1rem; color: rgba(255,255,255,0.75); margin-bottom: 2.5rem; max-width: 560px; }

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

.hero-stats {
  position: absolute;
  bottom: var(--spacing-md);
  left: 0; right: 0;
  z-index: 1;
}

.hero-stats-inner {
  display: flex;
  gap: var(--spacing-md);
  padding: 1.5rem;
  background: rgba(13,13,13,0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  width: fit-content;
}

.stat-number { display: block; font-family: var(--font-heading); font-size: 2.5rem; color: var(--color-primary); line-height: 1; }
.stat-label { display: block; font-size: 0.75rem; color: var(--color-gray-light); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 0.25rem; }

/* ============================================
   SECTIONS
============================================ */
.section { padding: var(--spacing-lg) 0; }
.section-sm { padding: var(--spacing-md) 0; }
.section-lg { padding: var(--spacing-xl) 0; }

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

.section-tag {
  display: inline-block;
  padding: 0.25rem 1rem;
  background: rgba(232,48,15,0.1);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(232,48,15,0.3);
  margin-bottom: 1rem;
}

.section-title { color: var(--color-white); margin-bottom: 1rem; }
.section-title span { color: var(--color-primary); }
.section-desc { font-size: 1.05rem; color: var(--color-gray-light); max-width: 560px; margin: 0 auto; }

.divider { width: 60px; height: 3px; background: linear-gradient(90deg, var(--color-primary), var(--color-secondary)); border-radius: 999px; margin: 1rem auto; }
.divider-left { margin-left: 0; }

.section-dark { background: var(--color-dark-2); }
.section-darker { background: var(--color-dark-3); }

/* ============================================
   SERVICES / FEATURES
============================================ */
.feature-card {
  padding: 2rem;
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-card:hover {
  border-color: rgba(232,48,15,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  width: 60px; height: 60px;
  background: rgba(232,48,15,0.1);
  border: 1px solid rgba(232,48,15,0.3);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-white);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.feature-desc { font-size: 0.9rem; color: var(--color-gray); line-height: 1.7; margin: 0; }

/* ============================================
   PAGE ARTICLE
============================================ */
.post-header {
  padding: calc(70px + var(--spacing-md)) 0 var(--spacing-md);
  background: var(--color-dark-2);
  border-bottom: 1px solid var(--color-border);
}

.post-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(232,48,15,0.15);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.post-title { color: var(--color-white); margin-bottom: 1.25rem; }

.post-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--color-gray);
}

.post-meta-item { display: flex; align-items: center; gap: 0.5rem; }

.post-thumbnail { margin-bottom: var(--spacing-md); border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 16/7; }
.post-thumbnail img { width: 100%; height: 100%; object-fit: cover; }

.entry-content {
  max-width: 760px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #d8d8d8;
}

.entry-content h2, .entry-content h3, .entry-content h4 { color: var(--color-white); margin: 2rem 0 1rem; }
.entry-content p { margin-bottom: 1.5rem; }

.entry-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: rgba(232,48,15,0.05);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--color-white);
}

.entry-content img { border-radius: var(--radius-md); margin: 1.5rem 0; }
.entry-content a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }

.entry-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.entry-content th, .entry-content td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--color-border); }
.entry-content th { background: var(--color-dark-3); color: var(--color-white); font-weight: 600; }

/* Tags article */
.post-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: var(--spacing-sm); }

.post-tag {
  padding: 0.35rem 0.9rem;
  background: var(--color-dark-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--color-gray-light);
  transition: all var(--transition-fast);
}

.post-tag:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Articles liés */
.related-posts { margin-top: var(--spacing-lg); padding-top: var(--spacing-md); border-top: 1px solid var(--color-border); }

/* ============================================
   SIDEBAR
============================================ */
.sidebar { position: sticky; top: 90px; }

.widget {
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.widget-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-primary);
}

/* ============================================
   PAGINATION
============================================ */
.pagination { display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin: var(--spacing-md) 0; flex-wrap: wrap; }

.page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px; height: 44px;
  padding: 0 0.75rem;
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-gray-light);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.page-numbers:hover, .page-numbers.current {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* ============================================
   BREADCRUMBS
============================================ */
.breadcrumbs { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; font-size: 0.85rem; color: var(--color-gray); margin-bottom: 1.25rem; }
.breadcrumbs a { color: var(--color-gray); }
.breadcrumbs a:hover { color: var(--color-primary); }
.breadcrumbs .sep { color: var(--color-border); }
.breadcrumbs .current { color: var(--color-gray-light); }

/* ============================================
   FORMULAIRES
============================================ */
.form-group { margin-bottom: 1.25rem; }

label { display: block; margin-bottom: 0.5rem; font-size: 0.875rem; font-weight: 600; color: var(--color-gray-light); letter-spacing: 0.05em; }

input[type="text"], input[type="email"], input[type="tel"], input[type="password"],
input[type="search"], input[type="number"], textarea, select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-dark-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

input:focus, textarea:focus, select:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(232,48,15,0.15); }
input::placeholder, textarea::placeholder { color: var(--color-gray); }
textarea { min-height: 150px; resize: vertical; }

/* ============================================
   COMMENTAIRES
============================================ */
.comment-list { list-style: none; padding: 0; margin: 0; }

.comment {
  padding: 1.5rem;
  background: var(--color-dark-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.comment-author-info { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1rem; }
.comment-author-info img { width: 48px; height: 48px; border-radius: 50%; }
.comment-author-name { font-weight: 700; color: var(--color-white); display: block; }
.comment-date { font-size: 0.8rem; color: var(--color-gray); display: block; }
.comment-content p { margin: 0; }

/* ============================================
   PAGE 404
============================================ */
.page-404 {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) var(--container-padding);
}

.error-code {
  font-family: var(--font-heading);
  font-size: clamp(6rem, 20vw, 16rem);
  color: var(--color-primary);
  line-height: 1;
  opacity: 0.15;
  display: block;
  user-select: none;
}

.error-content { position: relative; margin-top: -4rem; }
.error-title { color: var(--color-white); margin-bottom: 1rem; }
.error-desc { color: var(--color-gray-light); margin-bottom: 2rem; }

/* ============================================
   UTILITAIRES
============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary) !important; }
.text-white { color: var(--color-white) !important; }
.text-muted { color: var(--color-gray) !important; }
.bg-dark { background: var(--color-dark); }
.bg-dark-2 { background: var(--color-dark-2); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }

.skip-link {
  position: absolute;
  top: -100%; left: 0;
  z-index: 9999;
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
}
.skip-link:focus { top: 0; }

.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;
}

/* ============================================
   RESPONSIVE
============================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .content-sidebar { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 768px) {
  :root { --spacing-lg: 3rem; --spacing-xl: 5rem; }

  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-cta .btn:not(:last-child) { display: none; }

  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats-inner { gap: 1.5rem; flex-wrap: wrap; }
}

@media (max-width: 480px) {
  :root { --container-padding: 1rem; }
}

/* ============================================
   ANIMATIONS
============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(232,48,15,0.3); }
  50% { box-shadow: 0 0 50px rgba(232,48,15,0.6); }
}

.fade-in-up { animation: fadeInUp 0.6s ease both; }
.fade-in-up-delay-1 { animation-delay: 0.1s; }
.fade-in-up-delay-2 { animation-delay: 0.2s; }
.fade-in-up-delay-3 { animation-delay: 0.3s; }

/* ============================================
   PRINT
============================================ */
@media print {
  .site-header, .site-footer, .sidebar, .hero-stats { display: none; }
  body { background: white; color: black; }
}