/* ============================================================
   JB Services — feuille de style principale
   Palette inspirée nature / montagne / forêt
   ============================================================ */

:root {
  /* Palette verte "nature" */
  --forest-900: #16281c;
  --forest-800: #1f3a27;
  --forest-700: #2b4d34;
  --forest-600: #3c6146;
  --sage-500: #6f9271;
  --sage-300: #a9c2a3;
  --sage-100: #dbe6d4;
  --stone-100: #f4f1e8;
  --cream: #faf8f2;
  --gold-600: #b08a3e;
  --ink-900: #1c2420;
  --ink-700: #3a453e;
  --ink-500: #667066;
  --white: #ffffff;

  --font-head: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-soft: 0 12px 32px -18px rgba(22, 40, 28, 0.35);
  --shadow-card: 0 6px 20px -10px rgba(22, 40, 28, 0.25);
  --max-width: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--forest-900);
  line-height: 1.2;
  margin: 0 0 .5em;
  font-weight: 600;
}

h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.4rem); }
h2 { font-size: clamp(1.6rem, 2vw + 1rem, 2.3rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--ink-700); }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .75rem;
  font-weight: 600;
  color: var(--forest-600);
  background: var(--sage-100);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.lead {
  font-size: 1.15rem;
  color: var(--ink-700);
  max-width: 60ch;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .98rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}

.btn-primary {
  background: var(--forest-700);
  color: var(--white);
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover { background: var(--forest-800); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--forest-800);
  border-color: var(--forest-700);
}
.btn-outline:hover { background: var(--forest-700); color: var(--white); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--sage-100);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--forest-900);
}

.logo-mark {
  width: 36px; height: 36px;
  flex-shrink: 0;
  border-radius: 22%;
}

.logo-dot {
  color: var(--gold-600);
  margin: 0 1px;
}

.logo-sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--sage-500);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  font-weight: 500;
  color: var(--ink-700);
  position: relative;
  padding: 4px 0;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] { color: var(--forest-800); }

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--gold-600);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--forest-900);
  margin: 5px 0;
  transition: transform .2s ease, opacity .2s ease;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 88px 0 96px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 900px 500px at 85% -10%, rgba(111,146,113,.35), transparent 60%),
    linear-gradient(180deg, var(--cream), var(--stone-100));
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 56px;
  align-items: center;
}

.hero-art {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.mountain-scene { width: 100%; height: auto; display: block; }

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stat strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.6rem;
  color: var(--forest-800);
}
.hero-stat span {
  font-size: .85rem;
  color: var(--ink-500);
}

/* ---------- Sections génériques ---------- */
section { padding: 88px 0; }
.section-alt { background: var(--stone-100); }
.section-forest {
  background: linear-gradient(160deg, var(--forest-800), var(--forest-900));
  color: var(--stone-100);
}
.section-forest h2, .section-forest h3 { color: var(--white); }
.section-forest p { color: var(--sage-100); }

.section-head {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-head.left { margin: 0 0 48px; text-align: left; }

/* ---------- Grilles de cartes ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pole-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.pole-card { padding: 42px 38px; }
.pole-card h3 { font-size: 1.5rem; }
.pole-card .eyebrow { margin-bottom: 10px; }
.pole-card ul { margin-bottom: 4px; }

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--sage-100);
  transition: transform .18s ease, box-shadow .18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }

.card-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--sage-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  color: var(--forest-700);
}
.card-icon svg { width: 26px; height: 26px; }

.card ul { padding-left: 20px; margin: 14px 0 0; color: var(--ink-700); }
.card li { margin-bottom: 6px; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  color: var(--forest-700);
  text-decoration: none;
}
.card-link:hover { color: var(--gold-600); }

/* ---------- Points forts / valeurs ---------- */
.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.value {
  text-align: center;
  padding: 18px;
}
.value .card-icon { margin: 0 auto 16px; }
.value h3 { font-size: 1.05rem; }
.value p { font-size: .93rem; }

/* ---------- Processus / étapes ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}
.step {
  position: relative;
  padding-top: 12px;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-head);
  font-size: 2.4rem;
  color: var(--sage-300);
  display: block;
  margin-bottom: 6px;
}

/* ---------- CTA ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: 56px;
  background: linear-gradient(135deg, var(--forest-700), var(--forest-900));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); margin-bottom: 8px; }
.cta-banner p { color: var(--sage-100); margin: 0; }

/* ---------- Formulaire de contact ---------- */
.contact-wrap {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--forest-800);
  color: var(--stone-100);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-info-card h3 { color: var(--white); }
.contact-info-card a { color: var(--sage-100); text-decoration: none; }
.contact-info-card a:hover { color: var(--white); }

.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.contact-info-item .card-icon {
  background: rgba(255,255,255,.1);
  color: var(--sage-100);
}

form.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--sage-100);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 6px;
  color: var(--forest-800);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--sage-100);
  background: var(--cream);
  font-family: var(--font-body);
  font-size: .98rem;
  color: var(--ink-900);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--sage-500);
  background: var(--white);
}
.field textarea { resize: vertical; min-height: 130px; }

.hp-field { position: absolute; left: -9999px; opacity: 0; }

.form-note { font-size: .82rem; color: var(--ink-500); margin-top: 4px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--forest-900);
  color: var(--sage-100);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-grid h4 {
  color: var(--white);
  font-family: var(--font-body);
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a { text-decoration: none; color: var(--sage-100); }
.footer-grid a:hover { color: var(--white); }
.footer-logo { color: var(--white); font-family: var(--font-head); font-size: 1.2rem; margin-bottom: 10px; display:block; }
.footer-tagline { font-size: .92rem; max-width: 32ch; color: var(--sage-300); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: .82rem;
  color: var(--sage-300);
}

/* ---------- Page header (pages internes) ---------- */
.page-header {
  padding: 64px 0 56px;
  background: linear-gradient(180deg, var(--stone-100), var(--cream));
  border-bottom: 1px solid var(--sage-100);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .value-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .main-nav { position: fixed; inset: 78px 0 auto 0; background: var(--cream); flex-direction: column; align-items: stretch; padding: 8px 24px 24px; box-shadow: var(--shadow-soft); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: transform .2s ease, opacity .2s ease; }
  .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav ul li a { display: block; padding: 12px 4px; border-bottom: 1px solid var(--sage-100); }
  .main-nav .btn-row-nav { margin-top: 12px; }
  .nav-toggle { display: block; }
  .card-grid { grid-template-columns: 1fr; }
  .pole-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cta-banner { flex-direction: column; align-items: flex-start; }
  section { padding: 60px 0; }
}