@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Jost:wght@300;400;500;600&display=swap');

:root {
  --noir:       #181818;
  --blanc:      #ffffff;
  --gris-clair: #f5f5f5;
  --gris-moyen: #e3e3e3;
  --gris-texte: #606060;
  --turquoise:  #1e8c8c;
  --turquoise-l:#27a5a5;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Jost', sans-serif; font-weight: 300; color: var(--noir); background: var(--blanc); line-height: 1.75; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gris-moyen);
  padding: 0 48px; display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo { height: 34px; }
.nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; color: var(--noir); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--turquoise); }
.nav-cta { background: var(--turquoise) !important; color: var(--blanc) !important; padding: 9px 22px; transition: background 0.2s !important; }
.nav-cta:hover { background: var(--turquoise-l) !important; }

/* SOUS-NAV RESSOURCES — visible sur toutes les pages */
.res-subnav {
  position: fixed; top: 64px; left: 0; right: 0; z-index: 90;
  background: #f4f3ef; border-bottom: 1px solid #dddcd5;
  display: flex; align-items: stretch; padding: 0 48px;
}
.res-subnav a {
  display: flex; flex-direction: column; justify-content: center;
  padding: 9px 22px; text-decoration: none; gap: 3px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}
.res-subnav a:hover { background: rgba(0,0,0,0.03); }
.res-subnav a.active { border-bottom-color: var(--turquoise); background: rgba(30,140,140,0.05); }
.res-subnav-label {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--noir);
}
.res-subnav a.active .res-subnav-label { color: var(--turquoise); }
.res-subnav-sub {
  font-size: 0.54rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--turquoise); font-weight: 500;
}
.res-subnav-sep { width: 1px; background: #d5d4cc; margin: 9px 0; flex-shrink: 0; }

/* PAGE HEADER — padding-top tient compte de la nav (64px) + sous-nav (~50px) */
.page-header {
  padding: 194px 40px 80px;
  background: var(--noir); text-align: center;
  position: relative; overflow: hidden;
}
.page-header::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 60% 40%, rgba(30,140,140,0.15) 0%, transparent 60%);
}
.page-header .eyebrow { font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--turquoise); margin-bottom: 16px; position: relative; }
.page-header h1 { font-family: 'Cormorant Garamond', serif; font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 300; color: var(--blanc); line-height: 1.2; position: relative; }
.page-header h1 em { font-style: italic; color: rgba(255,255,255,0.45); }
.page-header p { color: rgba(255,255,255,0.4); font-size: 0.88rem; margin-top: 16px; max-width: 540px; margin-left: auto; margin-right: auto; position: relative; }

/* SECTIONS */
section { padding: 90px 40px; }
.container { max-width: 1100px; margin: 0 auto; }
.section-label { font-size: 0.68rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--turquoise); font-weight: 500; margin-bottom: 10px; }
.section-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(1.9rem, 3.2vw, 2.6rem); font-weight: 300; line-height: 1.2; margin-bottom: 20px; }
.divider { width: 40px; height: 2px; background: var(--turquoise); margin-bottom: 36px; }
.section-intro { max-width: 640px; color: var(--gris-texte); font-size: 0.9rem; margin-bottom: 52px; }

/* BUTTONS */
.btn { display: inline-block; padding: 13px 32px; font-family: 'Jost', sans-serif; font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase; text-decoration: none; transition: all 0.25s; cursor: pointer; border: none; }
.btn-primary { background: var(--turquoise); color: var(--blanc); border: 1px solid var(--turquoise); }
.btn-primary:hover { background: var(--turquoise-l); border-color: var(--turquoise-l); }
.btn-outline { background: transparent; color: var(--noir); border: 1px solid var(--gris-moyen); }
.btn-outline:hover { border-color: var(--turquoise); color: var(--turquoise); }
.btn-outline-white { background: transparent; color: var(--blanc); border: 1px solid rgba(255,255,255,0.3); }
.btn-outline-white:hover { border-color: rgba(255,255,255,0.7); }

/* GRID UTILITIES */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--gris-moyen); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--gris-moyen); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--gris-moyen); }
.card { background: var(--blanc); padding: 44px 40px; transition: background 0.2s; }
.card:hover { background: #f0fafa; }
.card-dark { background: #1e1e1e; padding: 44px 32px; transition: background 0.2s; }
.card-dark:hover { background: #252525; }

/* CTA BANNER */
.cta-banner {
  background: var(--noir); padding: 64px 40px; text-align: center;
}
.cta-banner .eyebrow { font-size: 0.68rem; letter-spacing: 0.28em; text-transform: uppercase; color: var(--turquoise); margin-bottom: 16px; }
.cta-banner h2 { font-family: 'Cormorant Garamond', serif; font-size: clamp(1.8rem, 3vw, 2.4rem); font-weight: 300; color: var(--blanc); margin-bottom: 12px; }
.cta-banner p { color: rgba(255,255,255,0.4); font-size: 0.88rem; max-width: 500px; margin: 0 auto 36px; }
.cta-banner .btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* GOOGLE CALENDAR BUTTON OVERRIDE */
.gcal-wrap { display: flex; justify-content: center; margin-top: 8px; }

/* DEVIS NOTE */
.devis-note {
  margin-top: 48px; padding: 32px 40px;
  border: 1px solid var(--gris-moyen);
  border-left: 3px solid var(--turquoise);
  background: var(--gris-clair);
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
}
.devis-note p { color: var(--gris-texte); font-size: 0.87rem; max-width: 600px; line-height: 1.8; }
.devis-note strong { color: var(--noir); }

/* TAGS */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag { padding: 5px 13px; border: 1px solid var(--gris-moyen); background: var(--blanc); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gris-texte); }

/* FOOTER */
footer { background: var(--noir); color: rgba(255,255,255,0.3); padding: 48px 40px; text-align: center; font-size: 0.74rem; letter-spacing: 0.07em; line-height: 2.2; }
footer strong { color: rgba(255,255,255,0.55); }
.footer-logo { height: 28px; opacity: 0.3; filter: brightness(0) invert(1); display: block; margin: 0 auto 16px; }
.footer-line { width: 40px; height: 1px; background: var(--turquoise); margin: 16px auto; }
.footer-links { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin-top: 16px; }
.footer-links a { color: rgba(255,255,255,0.3); text-decoration: none; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; transition: color 0.2s; }
.footer-links a:hover { color: var(--turquoise); }

/* HAMBURGER */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  background: var(--noir);
  border: none;
  cursor: pointer;
  padding: 10px 12px;
  z-index: 200;
  border-radius: 2px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--blanc);
  transition: transform 0.25s, opacity 0.25s;
  transform-origin: center;
}
.nav-toggle.open { background: var(--turquoise); }
.nav-toggle.open span:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

/* RESPONSIVE */
@media (max-width: 900px) {
  nav { padding: 0 20px; height: 60px; }
  .nav-logo { height: 28px; }
  .nav-toggle { display: flex; }

  /* Menu déroulant */
  .nav-links {
    display: none;
    position: fixed;
    top: 60px; left: 0; right: 0;
    background: #fff;
    border-bottom: 2px solid var(--turquoise);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    z-index: 99;
    box-shadow: 0 8px 24px rgba(0,0,0,0.10);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 16px 24px;
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--gris-moyen);
    color: var(--noir);
  }
  .nav-links a:hover, .nav-links a.active { color: var(--turquoise); background: var(--gris-clair); }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-cta {
    background: var(--turquoise) !important;
    color: var(--blanc) !important;
    text-align: center;
    margin: 12px 20px 16px !important;
    border-radius: 2px;
    padding: 14px 24px !important;
  }

  /* Sections & layout */
  section { padding: 52px 20px; }
  .page-header { padding: 148px 20px 52px; }
  .res-subnav { padding: 0 16px; overflow-x: auto; white-space: nowrap; }
  .res-subnav a { padding: 9px 14px; }
  .res-subnav-sub { display: none; }

  /* Cards : plus d'espace intérieur */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; gap: 2px; }
  .card { padding: 32px 24px; }

  /* Textes */
  .section-title { font-size: clamp(1.6rem, 6vw, 2.2rem); }
  .section-intro { font-size: 0.88rem; margin-bottom: 36px; }

  .devis-note { flex-direction: column; padding: 24px 20px; gap: 20px; }
  .cta-banner { padding: 48px 20px; }
  .cta-banner .btns { flex-direction: column; align-items: center; }
  .cta-banner .btns .btn { width: 100%; max-width: 320px; text-align: center; }

  .footer-links { gap: 16px; }
}