@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
@import "tailwindcss";

/* ================================================
   DA OBC Maçonnerie — Rouge brique + Gris ardoise + Blanc cassé
   Évoque la brique du Nord, le béton, la pierre, le sérieux artisan
   ================================================ */

@theme inline {
  /* ── Couleur sombre (sections hero, navbar, CTA band) ── */
  /* Charbon chaud : quasi-noir avec légère tonalité terreuse */
  --color-navy:       #1C1A18;
  --color-navy-light: #2E2B28;
  --color-navy-dark:  #100F0D;

  /* ── Accent principal : Rouge brique du logo ── */
  --color-orange:       #8B1A1A;
  --color-orange-hover: #6B1414;
  --color-orange-light: #A52424;

  /* ── Ardoise (gris secondaire du logo) ── */
  --color-stone:       #6B7B7A;
  --color-stone-light: #8B9A9A;
  --color-stone-bg:    #F0EDEA;

  /* ── Fonds ── */
  --color-bg:       #F8F6F4;
  --color-bg-white: #FFFFFF;
  --color-bg-card:  #FFFFFF;
  --color-bg-muted: #F0EDEA;

  /* ── Texte ── */
  --color-text:       #1C1C1C;
  --color-text-light: #4A4A4A;
  --color-text-muted: #6B7B7A;

  /* ── Bordures ── */
  --color-border:       #DDD8D3;
  --color-border-light: #EAE7E4;

  /* ── Statuts ── */
  --color-success: #4A7C59;
  --color-warning: #C9832A;
  --color-error:   #C0392B;

  /* ── Aliases ── */
  --color-primary:       #8B1A1A;
  --color-primary-hover: #6B1414;

  /* ── Typographie ── */
  --font-sans: "Inter", sans-serif;
}

/* ================================================
   BASE
   ================================================ */
body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
}

/* ================================================
   CARD HOVER — ombre teintée brique
   ================================================ */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(139, 26, 26, 0.10);
}

/* ================================================
   CTA PULSE — glow rouge brique
   ================================================ */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 16px rgba(139, 26, 26, 0.35);
  }
  50% {
    box-shadow: 0 0 36px rgba(139, 26, 26, 0.55);
  }
}

.pulse-glow {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

/* ================================================
   SÉLECTION DE TEXTE
   ================================================ */
::selection {
  background: rgba(139, 26, 26, 0.15);
  color: var(--color-text);
}

/* ================================================
   SKIP TO CONTENT
   ================================================ */
.skip-to-content {
  position: absolute;
  left: -9999px;
  z-index: 999;
  padding: 0.75rem 1.5rem;
  background: var(--color-navy);
  color: #ffffff;
  font-weight: 600;
  border-radius: 0 0 8px 0;
  text-decoration: none;
}

.skip-to-content:focus {
  left: 0;
  top: 0;
}

/* ================================================
   FOCUS VISIBLE
   ================================================ */
*:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

/* ================================================
   SCROLLBAR
   ================================================ */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-stone);
}

/* ================================================
   ACCENT DIAGONALE — élément décoratif hero
   Évoque une maçonnerie en brique posée en diagonale
   ================================================ */
.hero-accent {
  position: absolute;
  top: 0;
  right: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(135deg, transparent 40%, rgba(139, 26, 26, 0.07) 100%);
  pointer-events: none;
}

.hero-accent-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, transparent, #8B1A1A 30%, #8B1A1A 70%, transparent);
  opacity: 0.5;
}

/* ================================================
   SECTION LABEL — étiquette catégorie
   ================================================ */
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-orange);
  margin-bottom: 0.5rem;
}

.section-label-light {
  color: rgba(139, 26, 26, 0.75);
}

/* ================================================
   BRICK DIVIDER — séparateur rouge brique
   ================================================ */
.brick-divider {
  width: 3rem;
  height: 3px;
  background: var(--color-orange);
  border-radius: 2px;
}

/* ================================================
   STAT GLOW — compteur chiffres clés
   ================================================ */
@keyframes stat-glow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(139, 26, 26, 0.25);
  }
  50% {
    text-shadow: 0 0 22px rgba(139, 26, 26, 0.45);
  }
}

.animate-stat-glow {
  animation: stat-glow 2.5s ease-in-out infinite;
}

/* ================================================
   HERO TEXT ANIMATIONS — staggered reveal
   ================================================ */
@keyframes hero-text-appear {
  0% {
    opacity: 0;
    transform: translateY(30px);
    filter: blur(4px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.animate-hero-text-1 {
  opacity: 0;
  animation: hero-text-appear 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.animate-hero-text-2 {
  opacity: 0;
  animation: hero-text-appear 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.animate-hero-text-3 {
  opacity: 0;
  animation: hero-text-appear 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

/* ================================================
   FADE IN ANIMATIONS
   ================================================ */
@keyframes fade-in-down {
  0% { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in-up {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}

.animate-fade-in-down {
  opacity: 0;
  animation: fade-in-down 0.6s ease-out forwards;
}

.animate-fade-in-up {
  opacity: 0;
  animation: fade-in-up 0.6s ease-out forwards;
}

/* Animation delays */
.animation-delay-200  { animation-delay: 200ms; }
.animation-delay-400  { animation-delay: 400ms; }
.animation-delay-600  { animation-delay: 600ms; }
.animation-delay-800  { animation-delay: 800ms; }
.animation-delay-1000 { animation-delay: 1000ms; }

/* ================================================
   UNDERLINE GROW
   ================================================ */
@keyframes underline-grow {
  0%   { width: 0; }
  100% { width: 100%; }
}

.animate-underline-grow {
  animation: underline-grow 1s cubic-bezier(0.16, 1, 0.3, 1) 0.8s forwards;
  width: 0;
}

/* ================================================
   BOUNCE SLOW
   ================================================ */
@keyframes bounce-slow {
  0%, 100% { transform: translate(-50%, 0); }
  50%       { transform: translate(-50%, 8px); }
}

.animate-bounce-slow {
  animation: bounce-slow 2s ease-in-out infinite;
}

/* ================================================
   SCROLL REVEAL
   ================================================ */
.scroll-reveal-up,
.scroll-reveal-down,
.scroll-reveal-left,
.scroll-reveal-right,
.scroll-reveal-fade {
  opacity: 0;
  transition-property: opacity, transform;
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal-up    { transform: translateY(40px); }
.scroll-reveal-down  { transform: translateY(-40px); }
.scroll-reveal-left  { transform: translateX(-40px); }
.scroll-reveal-right { transform: translateX(40px); }
.scroll-reveal-fade  { transform: scale(0.95); }

.scroll-revealed {
  opacity: 1 !important;
  transform: translateY(0) translateX(0) scale(1) !important;
}

/* ================================================
   TEXTURE BÉTON — overlay sur sections sombres
   Subtile granularité qui évoque le béton brut
   ================================================ */
.texture-dark {
  position: relative;
}

.texture-dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.texture-dark > * {
  position: relative;
  z-index: 1;
}

/* ================================================
   GRADIENT UTILITIES (legacy — non utilisé OBC)
   ================================================ */
.gradient-text {
  background: linear-gradient(135deg, #8B1A1A, #C0392B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ================================================
   BOUTONS — animations premium slide-fill
   ================================================ */
.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.3s ease;
}
.btn:active { transform: scale(0.97) !important; }
.btn > span, .btn > svg { position: relative; z-index: 1; }

/* Primaire rouge brique — slide depuis la gauche */
.btn-fill { background: var(--color-orange); color: #fff; }
.btn-fill::before {
  content: ""; position: absolute; inset: 0;
  background: var(--color-orange-hover);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 0;
}
.btn-fill:hover::before { transform: translateX(0); }
.btn-fill:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(139, 26, 26, 0.40); }

/* Outline dark — s'inverse en navy */
.btn-outline-dark { background: transparent; color: var(--color-navy); border: 2px solid var(--color-navy); }
.btn-outline-dark::before {
  content: ""; position: absolute; inset: 0;
  background: var(--color-navy);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 0;
}
.btn-outline-dark:hover::before { transform: translateX(0); }
.btn-outline-dark:hover { color: #fff; transform: translateY(-2px); }
.btn-outline-dark > span, .btn-outline-dark > svg { position: relative; z-index: 1; }

/* Outline light — pour fonds sombres */
.btn-outline-light { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.35); }
.btn-outline-light::before {
  content: ""; position: absolute; inset: 0;
  background: rgba(255,255,255,0.12);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 0;
}
.btn-outline-light:hover::before { transform: translateX(0); }
.btn-outline-light:hover { border-color: rgba(255,255,255,0.65); transform: translateY(-2px); }
.btn-outline-light > span, .btn-outline-light > svg { position: relative; z-index: 1; }

/* Fill blanc — pour sections colorées */
.btn-fill-white { background: #fff; color: var(--color-navy); }
.btn-fill-white::before {
  content: ""; position: absolute; inset: 0;
  background: var(--color-bg-muted);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 0;
}
.btn-fill-white:hover::before { transform: translateX(0); }
.btn-fill-white:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,0.25); }
.btn-fill-white > span, .btn-fill-white > svg { position: relative; z-index: 1; }

/* Lien-flèche animé */
.btn-arrow { display: inline-flex; align-items: center; gap: 0.5rem; font-weight: 700; transition: color 0.2s ease; }
.btn-arrow .arrow-icon { display: inline-flex; transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1); }
.btn-arrow:hover .arrow-icon { transform: translateX(7px); }

/* ================================================
   NAVBAR — underline animé
   ================================================ */
.nav-link { position: relative; }
.nav-link::after {
  content: ""; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--color-orange);
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* ================================================
   RÉALISATION CARD — slide-up overlay
   ================================================ */
.realisation-overlay {
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.realisation-card:hover .realisation-overlay { transform: translateY(0); }

/* ================================================
   HERO — panneau diagonal brique
   ================================================ */
.hero-diagonal-panel {
  position: absolute; top: 0; right: 0;
  width: 44%; height: 100%;
  background: var(--color-orange);
  clip-path: polygon(14% 0%, 100% 0%, 100% 100%, 0% 100%);
  opacity: 0.13;
  pointer-events: none;
}
.hero-diagonal-border {
  position: absolute; top: 0; right: 0;
  width: 44%; height: 100%;
  clip-path: polygon(14% 0%, 100% 0%, 100% 100%, 0% 100%);
  border-left: 3px solid rgba(139,26,26,0.5);
  pointer-events: none;
}

/* ================================================
   SERVICE CARD — bordure top rouge brique
   ================================================ */
.service-card-dark {
  border-top: 3px solid var(--color-orange);
  transition: background 0.3s ease, transform 0.2s ease;
}
.service-card-dark:hover {
  background: rgba(255,255,255,0.04);
  transform: translateY(-4px);
}

/* ================================================
   FAQ — icône rotation
   ================================================ */
.faq-icon { transition: transform 0.3s ease; }
details[open] .faq-icon { transform: rotate(45deg); }