/* =============================================
   VARIABLES — modifier ici pour chaque client
   ============================================= */
:root {
  --color-primary:    #CC0000;   /* rouge vif — accents, boutons */
  --color-secondary:  #000000;   /* noir profond — header, hero */
  --color-bg:         #2A2A2A;   /* gris graphite — fond général */
  --color-surface:    #1E1E1E;   /* surface légèrement plus sombre */
  --color-text:       #F0F0F0;   /* blanc cassé — texte principal */
  --color-text-light: #A0A0A0;   /* gris clair — texte secondaire */
  --color-white:      #FFFFFF;

  --font-heading: 'Iceland', sans-serif;
  --font-body:    'Barlow', sans-serif;


  --max-width:  1200px;
  --radius:     4px;                /* coins peu arrondis = style industriel */
  --transition: 0.25s ease;

  --banniere: none;                /* flex = visible | none = cachée */
}


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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}



/* =============================================
   BOUTONS
   ============================================= */
.btn-primary {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition);
}

.btn-primary:hover { opacity: 0.85; }

.btn-nav {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius);
  font-weight: 600;
  transition: opacity var(--transition);
}

.btn-nav:hover { opacity: 0.85; }

/* Fade in simple : invisible → visible */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Slide up + fade : monte de 30px en apparaissant */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px); /* part d'en bas */
  }
  to {
    opacity: 1;
    transform: translateY(0);   /* arrive à sa position normale */
  }
}

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

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

/* =============================================
   HEADER / NAVIGATION
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-secondary);
  padding: 1rem 0;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);

  opacity: 0;
  animation: slideDown 0.4s ease-out 0s forwards;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo img {
  height: 56px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.1rem;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.main-nav a {
  color: var(--color-white);
  font-weight: 500;
  transition: color var(--transition);
}

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* =============================================
   HERO
   ============================================= */
/* Gradient temporaire en attendant une vraie photo de Luc — remplacer par
   background-image: url('images/hero-bg.jpg') une fois le fichier fourni */
.hero {
  background: radial-gradient(ellipse at 30% 30%, rgba(204,0,0,0.18), transparent 60%),
              linear-gradient(135deg, #1a1a1a 0%, #000000 100%);
  min-height: calc(100vh - 88px); /* 88px = hauteur réelle du header (logo 56px + padding 1rem haut/bas) */
  display: flex;
  align-items: center;
  color: var(--color-white);
  padding: 1rem 0;
  position: relative;
  overflow: hidden;
}

/* Logo géant en filigrane — gris au chargement, reprend ses couleurs
   au scroll (voir script.js). mix-blend-mode: screen fait disparaître
   le fond noir du jpg dans le fond du hero, sans avoir besoin d'un PNG transparent. */
.hero-logo-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(90vw, 950px);
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  background-image: url('images/logo.jpg');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  mix-blend-mode: screen;
  opacity: 0.09;
  transition: opacity 0.5s ease-out, filter 0.5s ease-out;
  pointer-events: none;
  z-index: 0;
}

/* Mobile : logo plus gros, quitte à déborder des côtés, décalé vers le bas
   pour que le char du logo ressorte sous le bouton CTA. */
@media (max-width: 768px) {
  .hero-logo-bg {
    width: 145vw;
    top: 62%;
  }
}

/* Phares avant du char dans le logo — s'allument avec le reste au scroll
   (blanc toujours du côté calandre/centre, rouge vers l'extérieur) */
.headlight {
  position: absolute;
  width: 5%;
  height: 0.2%;
  top: 71.7%;
  border-radius: 1px;
  box-shadow: 0 0 6px 2px rgba(255,60,60,0.85), 0 0 16px 8px rgba(255,60,60,0.45);
  opacity: 0;
  transition: opacity 0.5s ease-out;
}

.headlight-left {
  left: 38%;
  transform: rotate(9.5deg);
  background: linear-gradient(90deg, rgba(255,50,50,0.95), rgba(255,255,255,0.95));
}
.headlight-right {
  left: 57%;
  transform: rotate(-9.5deg);
  background: linear-gradient(90deg, rgba(255,255,255,0.95), rgba(255,50,50,0.95));
}

/* Petit trait perpendiculaire au bout intérieur (côté calandre) pour l'effet en L */
.headlight-left::after,
.headlight-right::after {
  content: '';
  position: absolute;
  bottom: 0vw;
  width: 0.1vw;
  height: 1vw;
  background: rgba(255,60,60,0.95);
  box-shadow: 0 0 6px 2px rgba(255,60,60,0.85);
  border-radius: 1px;
}

.headlight-left::after  { left: -0.35vw;  transform: rotate(-36deg); }
.headlight-right::after { right: -0.35vw; transform: rotate(36deg); }

@keyframes headlightPulse {
  0%, 100% { filter: brightness(1); }
  50%      { filter: brightness(1.35); }
}

.hero-logo-bg.leds-on .headlight {
  animation: headlightPulse 2.4s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 7vw, 5rem);
  line-height: 1.1;
  margin-bottom: 1.2rem;

  opacity: 0;
  animation: slideLeft 0.4s ease-out 0.4s forwards;
}

.hero h1 span {
  color: var(--color-primary);
}

.hero-desc {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  max-width: 540px;

  opacity: 0;
  animation: fadeIn 0.4s ease-out 0.8s forwards;
}

.hero .btn-primary {
  opacity: 0;
  animation: slideUp 0.4s ease-out 1.2s forwards;
}

section[id] {
  scroll-margin-top: 88px;
}

/* =============================================
   SERVICES
   ============================================= */
.services {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  padding: 2.5rem 0;
  background: var(--color-bg);
}

.services::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('images/dplateblue.jpg');
  background-repeat: repeat;
  background-size: 490px 490px;
  filter: grayscale(1) brightness(0.8);
}

.services .container {
  width: 95%;
  max-width: 1225px;
  position: relative;
  z-index: 1;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
}

.services .section-title { 
  color: var(--color-white);
  position: relative;
  padding-left: 2.5rem;
}

.a-propos .section-title,
.galerie .section-title {
 color: var(--color-white);
}

.services .section-title::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--color-primary);
}

.services .section-title::after {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 3px;
  height: 48px;
  background: var(--color-primary);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 240px));
  justify-content: center;
  gap: 2.5rem 4.5rem;
}

.service-card {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  border-radius: 0;
  padding: 1.25rem 1.25rem 1.5rem;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-bottom-color: var(--color-primary);
  transform: translateY(-4px);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.service-card h3 {
  color: var(--color-white);
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* =============================================
   À PROPOS
   ============================================= */
.a-propos {
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  padding: 3rem 0;
  background: var(--color-bg);
}

.a-propos-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.a-propos-text p {
  margin-bottom: 1rem;
  color: var(--color-text-light);
  font-size: 1.05rem;
}

.a-propos-image img {
  border-radius: var(--radius);
  object-fit: cover;
  width: 100%;
  max-height: 420px;
}

/* =============================================
   GALERIE
   ============================================= */
.galerie {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  padding: 3rem 0;
  background: var(--color-bg);
}

.galerie::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url('images/dplateblue.jpg');
  background-repeat: repeat;
  background-size: 600px 600px;
  filter: grayscale(1) brightness(0.8);
}

.galerie .container {
  width: 95%;
  max-width: 1225px;
  position: relative;
  z-index: 1;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
}

.galerie .section-title {
  position: relative;
  padding-left: 2.5rem;
}

.galerie .section-title::before {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--color-primary);
}

.galerie .section-title::after {
  content: '';
  position: absolute;
  top: -10px;
  left: 0;
  width: 3px;
  height: 48px;
  background: var(--color-primary);
}

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

.galerie-grid img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: var(--radius);
  transition: transform var(--transition);
}

.galerie-grid img:hover { transform: scale(1.02); }

/* =============================================
   CONTACT
   ============================================= */
.contact {
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  padding: 1.75rem 0;
  background: var(--color-secondary);
  color: var(--color-white);
}

.contact .section-title { color: var(--color-white); }

.contact-title {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  text-align: center;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.25rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  max-width: 800px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1.5rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0.85;
}

fieldset.form-group {
  border: none;
  min-width: 0;
}

.form-group legend {
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.85;
  padding: 0;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 0.55rem 0.85rem;
  color: var(--color-white);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255,255,255,0.4);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(204, 0, 0, 0.35);
}

.radio-group {
  display: flex;
  gap: 1.5rem;
}

.radio-option {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400 !important;
  opacity: 1 !important;
  cursor: pointer;
}

.radio-option input {
  width: auto;
}

.form-note {
  font-size: 0.85rem;
  opacity: 0.7;
  text-align: center;
  margin-top: -0.5rem;
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: #111;
  color: rgba(255,255,255,0.6);
  padding: 3rem 0 1.5rem;
  font-size: 0.9rem;
}

.footer-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1.5rem;
}

.footer-heading {
  font-family: var(--font-heading);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.95rem;
}

.footer-contact-list a {
  color: var(--color-primary);
  text-decoration: underline;
}

.footer-socials {
  display: flex;
  gap: 1.25rem;
}

.footer-socials a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-primary);
  text-decoration: underline;
}

.social-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-credit a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* =============================================
   BANNIÈRE PRODUCTION — retirer au lancement
   ============================================= */
.banniere-production {
  display: var(--banniere);
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #FF0090;
  color: #ffffff;
  text-align: center;
  padding: 0.6rem 1rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.banniere-production a {
  color: #ffffff;
  text-decoration: underline;
}

/* =============================================
   RESPONSIVE MOBILE
   ============================================= */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-secondary);
    padding: 1.5rem;
    display: none;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }

  .a-propos-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

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

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

@media (max-width: 480px) {
  .galerie-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}

/*  ===== SCROLL REVEAL =====  */
.services,
.a-propos,
.galerie,
.contact {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.services.visible,
.a-propos.visible,
.galerie.visible,
.contact.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   ACCESSIBILITÉ — respecter la préférence système
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* Exception : les animations d'entrée du header/hero sont ponctuelles (une seule fois,
   0.4s, pas de boucle) — pas le genre d'animation que prefers-reduced-motion vise à
   bloquer, donc on les rejoue normalement même quand les animations sont désactivées
   dans Windows. */
.site-header,
.hero h1,
.hero-desc,
.hero .btn-primary {
  animation-duration: 0.4s !important;
}