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

:root {
  --rouge:  #C0201F;
  --noir:   #1A1A1A;
  --gris:   #5C5C5C;
  --fond:   #F5F5F3;
  --blanc:  #FFFFFF;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--fond);
  color: var(--noir);
  line-height: 1.6;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5%; height: 70px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  transition: all .3s ease;
}
#navbar.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.13); }
.nav-logo img { height: 44px; }
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a { text-decoration: none; color: var(--noir); font-weight: 500; font-size: .9rem; transition: color .2s; }
.nav-links a:hover { color: var(--rouge); }
.nav-cta {
  background: var(--rouge); color: #fff !important;
  padding: .45rem 1.2rem; border-radius: 6px;
  transition: background .2s, transform .2s !important;
}
.nav-cta:hover { background: #a01919 !important; transform: translateY(-1px); }
.burger { display: none; background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--noir); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  position: relative; text-align: center;
  background: url('assets/hero-bg.png') center/cover no-repeat;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.35) 100%);
}
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 780px; padding: 0 1.5rem; }
.hero-content h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.2; margin-bottom: 1.2rem; }
.hero-content p { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.88); margin-bottom: 2rem; }
.hero-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  display: inline-block; background: var(--rouge); color: #fff;
  padding: .8rem 2rem; border-radius: 8px; text-decoration: none;
  font-weight: 600; font-size: .95rem; border: 2px solid var(--rouge);
  transition: all .25s ease; cursor: pointer; font-family: 'Inter', sans-serif;
}
.btn-primary:hover { background: #a01919; border-color: #a01919; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(192,32,31,0.35); }

.btn-outline {
  display: inline-block; background: transparent; color: #fff;
  padding: .8rem 2rem; border-radius: 8px; text-decoration: none;
  font-weight: 600; font-size: .95rem; border: 2px solid rgba(255,255,255,0.7);
  transition: all .25s ease;
}
.btn-outline:hover { background: rgba(255,255,255,0.15); border-color: #fff; }

.btn-full { width: 100%; text-align: center; }

.btn-outline-light {
  display: inline-block; background: transparent; color: #aaa;
  padding: .7rem 1.8rem; border-radius: 8px; border: 1.5px solid #555;
  font-weight: 600; cursor: pointer; font-family: 'Inter', sans-serif;
  transition: border-color .2s, color .2s; text-decoration: none;
}
.btn-outline-light:hover { border-color: #fff; color: #fff; }

.scroll-down {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.7); font-size: 1.4rem; z-index: 2;
  animation: bounce 2s infinite; text-decoration: none;
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}

/* ===== SECTIONS COMMUNES ===== */
section { padding: 100px 0; }
.bg-white { background: var(--blanc); }
.bg-dark  { background: var(--noir); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 5%; }
h2 { font-size: clamp(1.8rem, 3vw, 2.5rem); font-weight: 800; text-align: center; margin-bottom: .6rem; }
h2::after { content: ''; display: block; width: 50px; height: 4px; background: var(--rouge); margin: .6rem auto 0; border-radius: 2px; }
.section-sub { text-align: center; color: var(--gris); font-size: 1.05rem; margin-bottom: 3rem; }

/* ===== CARDS EXPERTISES ===== */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 3rem; }
.card {
  background: var(--blanc); border-radius: var(--radius); padding: 2.5rem 2rem;
  box-shadow: var(--shadow); transition: transform .3s ease, box-shadow .3s ease;
  border-top: 4px solid transparent;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 12px 36px rgba(0,0,0,0.12); border-top-color: var(--rouge); }
.card-icon { font-size: 2rem; color: var(--rouge); margin-bottom: 1.2rem; }
.card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .8rem; }
.card p { color: var(--gris); font-size: .95rem; line-height: 1.7; }

/* ===== GALLERY ===== */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius); aspect-ratio: 4/3; cursor: pointer; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.gallery-item:hover img { transform: scale(1.07); }
.gallery-overlay {
  position: absolute; inset: 0; background: rgba(192,32,31,0.7);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.6rem; opacity: 0; transition: opacity .3s;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ===== LIGHTBOX ===== */
.lightbox {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.92);
  z-index: 9999; align-items: center; justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 88vw; max-height: 85vh;
  border-radius: var(--radius); box-shadow: 0 0 40px rgba(0,0,0,0.5);
  transition: opacity .15s ease;
}
#lightbox-close {
  position: absolute; top: 1.5rem; right: 2rem;
  color: #fff; font-size: 2.5rem; cursor: pointer; line-height: 1;
  transition: color .2s;
}
#lightbox-close:hover { color: var(--rouge); }
#lightbox-prev, #lightbox-next {
  position: absolute; top: 50%; transform: translateY(-50%);
  color: rgba(255,255,255,0.8); font-size: 2rem; cursor: pointer;
  padding: 1rem; user-select: none; transition: color .2s;
}
#lightbox-prev { left: 1rem; }
#lightbox-next { right: 1rem; }
#lightbox-prev:hover, #lightbox-next:hover { color: var(--rouge); }

/* ===== AVANTAGES ===== */
.avantages-grid { display: flex; flex-direction: column; gap: 2rem; margin-top: 3rem; max-width: 780px; margin-inline: auto; }
.avantage-item { display: flex; gap: 1.5rem; align-items: flex-start; }
.avantage-icon {
  min-width: 54px; height: 54px; background: var(--rouge);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem; flex-shrink: 0;
}
.avantage-item h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: .4rem; }
.avantage-item p { color: var(--gris); font-size: .95rem; line-height: 1.7; }

/* ===== CONTACT / RDV ===== */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 3rem; }
.booking-block, .form-block { background: #2a2a2a; border-radius: var(--radius); padding: 2rem; }
.booking-block h3, .form-block h3 { color: #fff; font-size: 1.1rem; margin-bottom: 1rem; }
.booking-block h3 i, .form-block h3 i { color: var(--rouge); margin-right: .5rem; }
.booking-sub { color: #aaa; font-size: .9rem; margin-bottom: 1.5rem; line-height: 1.5; }
#gcal-btn-container { display: flex; justify-content: flex-start; }

/* FORM LAYOUT */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block; color: #ccc; font-size: .78rem;
  font-weight: 600; margin-bottom: .4rem;
  text-transform: uppercase; letter-spacing: .04em;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: .85rem 1rem; border-radius: 8px;
  border: 1.5px solid #3a3a3a; background: #111; color: #fff;
  font-family: 'Inter', sans-serif; font-size: .95rem; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--rouge);
  box-shadow: 0 0 0 3px rgba(192,32,31,0.15);
}
.form-group select option { background: #1a1a1a; }
.form-group input.input-error { border-color: #f87171; }
.inline-error { color: #f87171; font-size: .8rem; margin-top: .3rem; display: block; }
.form-legal { color: #555; font-size: .78rem; text-align: center; margin-top: .8rem; }

/* FORM STATES */
.form-state {
  display: none; flex-direction: column; align-items: center;
  text-align: center; padding: 2rem 1rem; gap: 1rem;
}
.state-icon { font-size: 3rem; }
.success-icon { color: #4ade80; }
.error-icon   { color: #f87171; }
.form-state h4 { color: #fff; font-size: 1.2rem; }
.form-state p  { color: #aaa; font-size: .95rem; }

/* CONTACT DIRECT */
.contact-direct {
  display: flex; align-items: center; justify-content: center;
  gap: 1rem; margin-top: 3rem; flex-wrap: wrap;
  color: #777; font-size: .9rem;
}
.contact-phone { color: #fff; font-weight: 700; font-size: 1.1rem; text-decoration: none; }
.contact-phone:hover { color: var(--rouge); }
.contact-hours { color: #555; font-size: .85rem; }

/* ===== FOOTER ===== */
footer { background: #111; padding: 2.5rem 5%; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer-logo { height: 36px; }
footer p { color: #666; font-size: .85rem; }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: #666; text-decoration: none; font-size: .85rem; transition: color .2s; }
.footer-links a:hover { color: var(--rouge); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .contact-wrapper { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: #fff; padding: 1.5rem; box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .burger { display: block; }
  .gallery { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .form-row { grid-template-columns: 1fr; }
  #lightbox-prev { left: .3rem; }
  #lightbox-next { right: .3rem; }
}