:root {
  --graphite: #171A1F;
  --teal: #1B4547;
  --orange: #E8821C;
  --stone: #F3F1EA;
  --muted: #b9bdb8;
  --line: rgba(243, 241, 234, .18);
  --head: "Archivo Black", "Arial Black", system-ui, sans-serif;
  --body: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--graphite);
  color: var(--stone);
  font: 400 1rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); font-weight: 400; line-height: 1.05; margin: 0; letter-spacing: -.01em; }
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }

.wrap { width: min(1120px, 100% - 2.5rem); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; background: var(--orange); color: var(--graphite); padding: .6rem 1rem; z-index: 10; }
.skip:focus { left: 0; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(23, 26, 31, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-in { display: flex; align-items: center; justify-content: space-between; padding-block: .75rem; }
.logo-link img { height: 38px; width: auto; }

/* Boutons */
.btn {
  display: inline-block; background: var(--orange); color: var(--graphite);
  font: 600 1rem/1 var(--body); text-decoration: none; text-align: center;
  padding: 1rem 1.6rem; border: 0; border-radius: 4px; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { background: #f09a42; }
.btn:active { transform: scale(.97); }
.btn-sm { padding: .7rem 1.1rem; font-size: .9rem; }
.link-arrow { font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.link-arrow:hover { border-color: var(--orange); }

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--graphite); padding-block: 4.5rem 5rem; }
.hero-in { position: relative; z-index: 1; }
.eyebrow, .kicker, .card-ref, .rdv { font-family: var(--mono); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow { color: var(--orange); margin-bottom: 1.25rem; }
.hero h1 { font-size: clamp(2.6rem, 9vw, 5.6rem); max-width: 14ch; }
.lead { font-size: 1.15rem; max-width: 36rem; margin-top: 1.5rem; color: var(--muted); }
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; margin-top: 2.25rem; }
.rdv { margin-top: 2rem; color: var(--muted); }
.rdv::before { content: ""; display: inline-block; width: .55rem; height: .55rem; border-radius: 50%; background: var(--orange); margin-right: .6rem; }

/* Décors inspirés de l'enseigne */
.deco { position: absolute; pointer-events: none; opacity: .9; }
.deco-x { width: 46px; height: 46px; top: 14%; right: 9%; background:
  linear-gradient(45deg, transparent 43%, var(--orange) 43% 57%, transparent 57%),
  linear-gradient(-45deg, transparent 43%, var(--orange) 43% 57%, transparent 57%); }
.deco-square { width: 38px; height: 38px; border: 4px solid var(--orange); bottom: 12%; right: 20%; }
.deco-stripes { width: 70px; height: 56px; bottom: 0; right: 6%; background: repeating-linear-gradient(90deg, var(--orange) 0 5px, transparent 5px 14px); }
.deco-x, .deco-square { display: none; }

/* Sections */
.section { padding-block: 4.5rem; }
.kicker { color: var(--orange); margin-bottom: .9rem; }
.section h2 { font-size: clamp(2rem, 5.5vw, 3.2rem); margin-bottom: 2.25rem; }
.section h3 { font-size: 1.25rem; margin-bottom: .6rem; }

.cards { display: grid; gap: 1rem; }
.card { background: var(--teal); padding: 1.75rem; border-radius: 4px; }
.card-ref { display: block; color: var(--muted); margin-bottom: 1.5rem; }
.card p { color: #dfe3dd; }

.section-light { background: var(--stone); color: var(--graphite); }
.section-light .kicker { color: #9a5200; }
.who { display: grid; gap: 2rem; }
.who > div { border-top: 3px solid var(--graphite); padding-top: 1.1rem; }

/* Galerie */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; }
.ph { aspect-ratio: 1; display: grid; place-items: center; border: 1.5px dashed var(--line); border-radius: 4px; background: rgba(27, 69, 71, .35); }
.ph span { font-family: var(--mono); font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 4px; }

/* Bandeau */
.band { background: var(--orange); color: var(--graphite); }
.band-in { display: flex; align-items: center; justify-content: center; gap: 1rem; padding-block: 1.6rem; }
.band p { font: 400 clamp(1.1rem, 4vw, 1.7rem)/1.1 var(--head); text-transform: uppercase; text-align: center; }
.dot { width: .7rem; height: .7rem; border-radius: 50%; background: var(--graphite); flex: none; }

/* Contact */
#contact { background: var(--teal); }
#contact .kicker { color: var(--stone); }
.contact { display: grid; gap: 2.5rem; }
.contact h2 { margin-bottom: 1.25rem; }
.contact-intro { max-width: 30rem; color: #dfe3dd; }
.infos { margin: 2rem 0 0; display: grid; gap: 1rem; }
.infos dt { font-family: var(--mono); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.infos dd { margin: .15rem 0 0; font-weight: 500; }
.infos a { text-decoration-color: var(--orange); text-underline-offset: 3px; }

.form { background: var(--graphite); padding: 1.75rem; border-radius: 4px; display: grid; gap: .5rem; align-content: start; }
.form label { font-weight: 500; font-size: .9rem; margin-top: .6rem; }
.form input, .form textarea {
  width: 100%; font: inherit; color: var(--stone); background: #0f1114;
  border: 1.5px solid var(--line); border-radius: 4px; padding: .8rem .9rem;
}
.form input:focus, .form textarea:focus { border-color: var(--orange); outline: none; }
.form .btn { margin-top: 1.1rem; }
.hp { position: absolute; left: -9999px; }

/* Footer */
.site-footer { background: var(--graphite); border-top: 1px solid var(--line); padding-block: 2.5rem; font-size: .9rem; color: var(--muted); }
.foot { display: grid; gap: 1.75rem; }
.foot-title { font-family: var(--head); font-size: 1.3rem; color: var(--stone); margin-bottom: .3rem; }
.legal p + p { margin-top: .25rem; }

/* Page de remerciement */
.thanks { min-height: 70vh; display: grid; place-items: center; text-align: center; padding-block: 4rem; }
.thanks h1 { font-size: clamp(2rem, 7vw, 3.6rem); margin-bottom: 1rem; }
.thanks p { color: var(--muted); margin-bottom: 2rem; }

@media (min-width: 720px) {
  .logo-link img { height: 46px; }
  .deco-x, .deco-square { display: block; }
  .deco-stripes { right: auto; left: 4%; }
  .cards, .who { grid-template-columns: repeat(3, 1fr); }
  .gallery { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .contact { grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
  .foot { grid-template-columns: 1fr 2fr; }
  .section { padding-block: 6rem; }
  .hero { padding-block: 7rem 8rem; }
}