:root {
  --ink: #1b1d21;
  --slate: #2b2f36;
  --copper: #b9703c;
  --copper-dark: #9a5a2c;
  --copper-light: #e2a878;
  --tint: #f6f2ee;
  --line: #e6dfd8;
  --muted: #5d636d;
  --radius: 14px;
  --header-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.container { width: min(1120px, 100% - 40px); margin-inline: auto; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 800; letter-spacing: -.01em; }
h3 { font-size: 1.2rem; }

.eyebrow {
  margin: 0 0 .6rem;
  color: var(--copper);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: .85rem 1.5rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn--copper { background: var(--copper); color: #fff; }
.btn--copper:hover { background: var(--copper-dark); }
.btn--outline { border-color: var(--ink); color: var(--ink); }
.btn--outline:hover { background: var(--ink); color: #fff; }

/* En-tête */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: box-shadow .2s, border-color .2s;
}
.header.is-scrolled { border-color: var(--line); box-shadow: 0 4px 20px rgba(0, 0, 0, .06); }
.header__inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.header__logo img { height: 58px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.6rem; }
.nav a:not(.btn) { text-decoration: none; font-weight: 600; position: relative; padding: .3rem 0; }
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px;
  background: var(--copper); transform: scaleX(0); transform-origin: left; transition: transform .2s;
}
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav__cta { padding: .6rem 1.2rem; }

.burger { display: none; width: 44px; height: 44px; padding: 10px; background: none; border: 0; cursor: pointer; }
.burger span { display: block; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .25s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Accueil */
.hero { padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(3.5rem, 8vw, 6rem); text-align: center; }
.hero__inner { display: flex; flex-direction: column; align-items: center; }
.hero__logo { width: min(620px, 100%); margin-bottom: 1.5rem; }
.hero__zone {
  display: inline-flex; align-items: center; gap: .45rem;
  margin: 0 0 1rem; padding: .4rem 1rem;
  border-radius: 999px; background: var(--tint); border: 1px solid var(--line);
  color: var(--copper-dark); font-weight: 700; font-size: .95rem;
}
.hero__zone svg { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.about__zone { margin: 0 0 1rem; color: #c3c7ce; font-size: .95rem; }
.about__role { margin-bottom: .4rem !important; }
.hero__lead { max-width: 620px; margin: 0 0 2rem; font-size: 1.15rem; color: var(--muted); }
.hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }

/* Sections */
.section { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.section--tint { background: var(--tint); }
.section--dark { background: var(--ink); color: #fff; }

/* Services */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; margin-top: 2.5rem; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1.5rem;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--copper-light); box-shadow: 0 14px 30px rgba(27, 29, 33, .08); }
.card__icon {
  width: 52px; height: 52px; display: grid; place-items: center;
  margin-bottom: 1.1rem; border-radius: 12px;
  background: linear-gradient(135deg, var(--copper-light), var(--copper));
}
.card__icon svg { width: 26px; height: 26px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card p { margin: 0; color: var(--muted); font-size: .97rem; }
sup { font-size: .6em; }

/* Entreprise */
.about { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.about__text p { color: var(--muted); font-size: 1.05rem; }
.about__text strong { color: var(--ink); }
.checks { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: .7rem; }
.checks li { position: relative; padding-left: 2rem; font-weight: 600; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .3em; width: 1.15rem; height: 1.15rem; border-radius: 50%;
  background: var(--copper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center / 70% no-repeat;
}
.about__card {
  background: var(--slate);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  border-top: 5px solid var(--copper);
}
.about__name { margin: 0; font-size: 1.6rem; font-weight: 800; }
.about__role { margin: 0 0 1.2rem; color: var(--copper-light); font-weight: 600; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; }
.about__link { display: block; padding: .5rem 0; text-decoration: none; font-weight: 600; border-top: 1px solid rgba(255, 255, 255, .12); overflow-wrap: anywhere; }
.about__link:hover { color: var(--copper-light); }

/* Contact */
.contact { text-align: center; }
.contact .eyebrow { color: var(--copper-light); }
.contact__lead { margin: 0 auto 2.5rem; max-width: 520px; color: #c3c7ce; font-size: 1.1rem; }
.contact__actions { display: grid; grid-template-columns: repeat(2, minmax(0, 360px)); justify-content: center; gap: 1.25rem; }
.contact__item {
  display: block;
  padding: 1.6rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: var(--radius);
  text-decoration: none;
  transition: background .2s, border-color .2s, transform .2s;
}
.contact__item:hover { background: var(--copper); border-color: var(--copper); transform: translateY(-3px); }
.contact__label { display: block; margin-bottom: .3rem; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--copper-light); }
.contact__item:hover .contact__label { color: #fff; }
.contact__value { display: block; font-size: clamp(1.05rem, 2.4vw, 1.4rem); font-weight: 800; overflow-wrap: anywhere; }

/* Pied de page */
.footer { background: #121316; color: #9aa0a9; font-size: .9rem; padding: 1.5rem 0; }
.footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 2rem; }
.footer p { margin: 0; }

/* Apparition au défilement */
.js .reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 880px) {
  :root { --header-h: 66px; }
  .header__logo img { height: 48px; }
  .burger { display: block; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: .5rem 20px 1.25rem;
    background: #fff; border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(0, 0, 0, .08);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a:not(.btn) { padding: .9rem 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.btn)::after { display: none; }
  .nav__cta { margin-top: 1rem; }
  .about { grid-template-columns: 1fr; }
  .contact__actions { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .footer__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* Zone d'intervention */
.zone { text-align: center; }
.zone__lead { max-width: 680px; margin: 0 auto 2rem; color: var(--muted); font-size: 1.05rem; }
.zone__list { list-style: none; padding: 0; margin: 0 auto; max-width: 820px; display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; }
.zone__list li { padding: .5rem 1.1rem; background: #fff; border: 1px solid var(--line); border-radius: 999px; font-weight: 600; }
.zone__list li:first-child { background: var(--copper); border-color: var(--copper); color: #fff; }
.zone__note { margin: 2rem 0 0; color: var(--muted); }
.zone__note a { color: var(--copper-dark); font-weight: 700; }
.hero__lead strong { color: var(--ink); }
address { font-style: normal; }