/* ============================================
   ARKOS – DESIGN SYSTEM
   Bleu nuit + rouge brique, sobre et stable
   ============================================ */

:root {
  --font-heading: 'Archivo', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;

  --color-primary: #1F2A36;
  --color-primary-dark: #151E26;
  --color-secondary: #A62626;
  --color-accent: #C98A3D;
  --color-bg: #F5F5F3;
  --color-bg-white: #FFFFFF;
  --color-text-dark: #2E3C47;
  --color-text-medium: #6B7A84;
  --color-text-soft: #8C979E;
  --color-border: #D8D8D2;

  --color-primary-10: rgba(31, 42, 54, 0.1);
  --color-primary-20: rgba(31, 42, 54, 0.2);
  --color-primary-50: rgba(31, 42, 54, 0.5);
  --color-primary-70: rgba(31, 42, 54, 0.7);
  --color-secondary-10: rgba(166, 38, 38, 0.1);
  --color-secondary-20: rgba(166, 38, 38, 0.2);
  --color-secondary-50: rgba(166, 38, 38, 0.5);

  --gradient-primary: linear-gradient(135deg, #1F2A36 0%, #2E3C47 100%);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 20px rgba(31, 42, 54, 0.25);

  --border-radius-sm: 4px;
  --border-radius: 4px;
  --border-radius-lg: 8px;
  --border-radius-pill: 50px;
  --radius-circle: 50%;
  --border-thin: 1px solid var(--color-primary-10);
  --border-medium: 2px solid;
  --border-thick: 4px solid;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-default: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  --font-sm: 0.875rem;
  --font-base: 1rem;
  --font-lg: 1.125rem;
  --font-h4: 1.25rem;
  --font-h3: 1.5rem;
  --font-h2: 2rem;
  --font-h1: 2.75rem;
  --font-h1-mobile: 2rem;
  --font-h2-mobile: 1.5rem;
  --font-h3-mobile: 1.25rem;

  --line-height-tight: 1.25;
  --line-height-base: 1.6;
  --line-height-loose: 1.75;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;

  --z-base: 1;
  --z-hover: 2;
  --z-navbar: 1000;
  --z-modal: 2000;

  --navbar-height: 72px;
  --container-max-width: 1100px;

  --photo-size-lg: 120px;
  --photo-size-md: 100px;

  --scrollbar-width: 6px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--font-base);
  line-height: var(--line-height-base);
  font-weight: 400;
  color: var(--color-text-dark);
  background: var(--color-bg);
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  padding: var(--navbar-height) 0 0 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  position: relative;
}

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

body::-webkit-scrollbar {
  width: var(--scrollbar-width);
}
body::-webkit-scrollbar-track {
  background: var(--color-bg);
}
body::-webkit-scrollbar-thumb {
  background: var(--color-primary-20);
  border-radius: var(--border-radius-pill);
}
body::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-50);
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
}

h1 {
  font-weight: 700;
  font-size: var(--font-h1);
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-sm);
}
h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--color-secondary);
  border-radius: var(--border-radius-pill);
}

h2 {
  font-weight: 600;
  font-size: var(--font-h2);
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-sm);
}

h3 {
  font-weight: 600;
  font-size: var(--font-h3);
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-xs);
}

h4 {
  font-weight: 600;
  font-size: var(--font-h4);
  letter-spacing: -0.01em;
}

p {
  color: var(--color-text-dark);
  line-height: var(--line-height-base);
  margin-bottom: var(--spacing-sm);
}

strong {
  font-weight: 600;
  color: var(--color-primary);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}
a:hover {
  color: var(--color-secondary);
}

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

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 0.9rem 2.2rem;
  border-radius: var(--border-radius);
  font-family: var(--font-body);
  font-size: var(--font-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  background: var(--color-secondary);
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.10);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  box-shadow: none;
}
.btn--secondary:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}



.card {
  background: var(--color-bg-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-xs);
  border: var(--border-thin);
  transition: box-shadow var(--transition-base);
}
.card:hover {
  box-shadow: var(--shadow-sm);
}

.highlight-box {
  background: var(--color-primary-10);
  border-left: var(--border-thick) var(--color-secondary);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.navbar-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-thin);
  height: var(--navbar-height);
}

.navbar {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  height: 100%;
}

.navbar-logo {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-left: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  margin-left: auto;
}

.navbar-link {
  display: block;
  padding: 0.5rem 1.2rem;
  font-size: var(--font-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-medium);
  border-radius: var(--border-radius);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.navbar-link:hover,
.navbar-link.active {
  background: var(--color-primary);
  color: #FFFFFF;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-xs);
  margin-left: auto;
}
.navbar-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-fast);
  border-radius: 2px;
}

.language-switcher {
  position: absolute;
  top: 10px;
  right: 20px;
  z-index: 1000;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.language-switcher .lang-link {
  text-decoration: none;
  color: var(--color-text-medium);
  padding: 0 2px;
  transition: color 0.2s ease;
}
.language-switcher .lang-link:hover,
.language-switcher .lang-link.active {
  color: var(--color-secondary);
}
.language-switcher .lang-separator {
  margin: 0 4px;
  color: var(--color-text-soft);
}

.hero-banner {
  width: 100%;
  margin: 0 0 var(--spacing-xl) 0;
  padding: 0;
  border-radius: 0;
  position: relative; 

}

.hero-banner img {
    width: 100%;
  height: auto;
  aspect-ratio: 21 / 7;          
  object-fit: cover;
  object-position: center 30%;   
  filter: grayscale(100%) brightness(0.8) contrast(1);
  display: block;
}

.hero-banner::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(31, 42, 54, 0.45); /* bleu nuit à 55% d'opacité */
  z-index: 1; /* au-dessus de l'image */
}

.hero-text {
  position: relative;
  z-index: 2; /* au-dessus du voile */
}

.hero-text {
  background: var(--color-primary);
  padding: var(--spacing-lg) 0;
  color: #FFFFFF;
}

.hero-text h1 {
  color: #FFFFFF;
  margin: 0 0 var(--spacing-sm) 0;
  font-weight: 700;
  font-size: 3rem;
  padding-bottom: 0;
  text-shadow: 0 2px 6px rgba(0,0,0,0.35);
}

.hero-text h1::after {
  display: none;
}

.hero-text p {
  color: rgba(255,255,255,0.9);
  font-size: var(--font-lg);
  margin: 0;
  line-height: var(--line-height-base);
}

.small-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.pillar-card {
  background: var(--color-bg-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-xs);
  border: var(--border-thin);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.pillar-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}
.pillar-card h3 {
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-primary);
}
.pillar-card p {
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-md);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}
.team-member {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border-radius: var(--border-radius);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.team-member:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.team-member img {
  width: 130px;
  height: 130px;
  object-fit: cover;
  border-radius: var(--radius-circle);
  margin: 0 auto var(--spacing-sm);
  border: 3px solid var(--color-secondary);
}
.team-member h3 {
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
}
.team-member p {
  font-size: var(--font-sm);
  color: var(--color-text-medium);
  line-height: var(--line-height-base);
}
.team-member a {
  font-size: var(--font-sm);
  color: var(--color-secondary);
}

.testimonial {
  background: #FFFFFF;
  border-left: 4px solid var(--color-secondary);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  color: var(--color-text-medium);
  box-shadow: var(--shadow-xs);
}
.testimonial .author {
  margin-top: var(--spacing-xs);
  font-style: normal;
  font-weight: 600;
  color: var(--color-primary);
}

.prestation-block {
  margin-bottom: var(--spacing-lg);
}
.prestation-block h2 {
  border-bottom: 2px solid var(--color-primary-20);
  padding-bottom: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.contact-form .form-group {
  margin-bottom: var(--spacing-sm);
}
.form-label {
  display: block;
  font-weight: 500;
  font-size: var(--font-sm);
  margin-bottom: 0.25rem;
  color: var(--color-primary);
}
.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: var(--border-thin);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: var(--font-sm);
  background: var(--color-bg-white);
  color: var(--color-text-dark);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px var(--color-secondary-20);
}
.form-button {
  background: var(--color-primary);
  color: #FFFFFF;
  border: none;
  padding: 0.9rem 2.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}
.form-button:hover {
  background: var(--color-secondary);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.10);
}

.info-box {
  background: var(--color-bg-white);
  border: var(--border-thin);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
}
.info-box h3 {
  font-size: var(--font-h4);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  color: var(--color-primary);
}
.info-box p {
  color: var(--color-text-medium);
  margin-bottom: var(--spacing-xs);
}

.map-container {
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-top: var(--spacing-md);
  border: var(--border-thin);
}

.footer-contact-section {
  background: var(--color-primary);
  padding: var(--spacing-lg) 0;
  margin-top: var(--spacing-xl);
  text-align: center;
  color: rgba(255,255,255,0.8);
  font-size: var(--font-sm);
}
.footer-contact-section a {
  color: #FFFFFF;
  text-decoration: none;
  font-weight: 500;
  opacity: 0.85;
}
.footer-contact-section a:hover {
  opacity: 1;
  color: #FFFFFF;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card, .pillar-card, .testimonial {
  animation: fadeInUp 0.6s both;
}
.pillar-card:nth-child(1) { animation-delay: 0.1s; }
.pillar-card:nth-child(2) { animation-delay: 0.2s; }
.pillar-card:nth-child(3) { animation-delay: 0.3s; }

@media (max-width: 768px) {
  :root {
    --font-h1: var(--font-h1-mobile);
    --font-h2: var(--font-h2-mobile);
    --font-h3: var(--font-h3-mobile);
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }

  .navbar-nav {
    display: none;
    position: absolute;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-white);
    border-bottom: var(--border-thin);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-sm) 0;
  }
  .navbar-nav.show {
    display: flex;
  }
  .navbar-link {
    padding: 1rem var(--spacing-lg);
    border-radius: 0;
  }
  .navbar-toggle {
    display: flex;
  }

  .hero-banner {
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
  }
  .hero-banner img {
    width: 100%;
    min-height: auto;
    border-radius: 0;
    aspect-ratio: 916 / 480;
  }
  .hero-text {
    padding: var(--spacing-md);
    border-radius: 0;
  }
  .hero-text h1 {
    font-size: 2rem;
  }
  .hero-text p {
    font-size: var(--font-base);
  }

  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .container {
    padding: 0 var(--spacing-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Sélecteur de langue en blanc sur la page d'accueil (fond sombre) */
.home .language-switcher .lang-link {
  color: #FFFFFF;
}

.home .language-switcher .lang-link:hover,
.home .language-switcher .lang-link.active {
  color: #FFFFFF;
  opacity: 0.8;
}

.home .language-switcher .lang-separator {
  color: rgba(255, 255, 255, 0.6);
}

/* Bannière photo dans une card, même largeur que le reste */
.card-hero {
  padding: 0;
  overflow: hidden;
  margin-top: var(--spacing-lg);
}

.card-hero img {
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  display: block;
  filter: brightness(0.65) contrast(1);
}

.card-hero .hero-text {
  background: var(--color-primary);
  padding: var(--spacing-xl) var(--spacing-lg);
  color: #FFFFFF;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.card-hero .hero-text h1 {
  color: #FFFFFF;
  margin: 0 0 var(--spacing-sm) 0;
  font-weight: 700;
  font-size: 2.5rem;
  padding-bottom: 0;
  text-shadow: 0 2px 6px rgba(0,0,0,0.35);
}

.card-hero .hero-text h1::after {
  display: none;
}

.card-hero .hero-text p {
  color: rgba(255,255,255,0.9);
  font-size: var(--font-lg);
  margin: 0;
}

@media (max-width: 768px) {
  .card-hero .hero-text {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  .card-hero .hero-text h1 {
    font-size: 2rem;
  }
  .card-hero .hero-text p {
    font-size: var(--font-base);
  }
  .card-hero img {
    aspect-ratio: 916 / 480;
  }
}