/* S.E. Maçonnerie — noir et blanc du logo, avec sa brique jaune comme signature */
:root {
  --yellow: #f7ec4b;        /* la brique jaune du logo */
  --yellow-deep: #e8dc2c;
  --black: #1d1c1e;         /* les contours du logo */
  --grey-800: #2e2d30;
  --grey-600: #636167;
  --grey-300: #d4d2d6;
  --grey-100: #f3f2f0;
  --white: #ffffff;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --text: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --wrap: 1180px;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --edge: 8px;              /* épaisseur des contours, comme dans le logo */
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; font-family: var(--text); font-size: 1.0625rem; line-height: 1.6;
  color: var(--black); background: var(--white); -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--black); outline-offset: 3px; }
.section-dark :focus-visible, .hero :focus-visible { outline-color: var(--yellow); }
.band :focus-visible { outline-color: var(--black); }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--white); padding: 8px 12px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--display); font-weight: 700; font-size: 1.15rem; letter-spacing: .02em; line-height: 1.1;
  text-decoration: none; padding: 13px 22px; border-radius: 6px; border: 3px solid var(--black); cursor: pointer;
  transition: background-color .15s, color .15s, transform .15s;
}
.btn svg { width: 19px; height: 19px; flex: none; }
.btn:active { transform: translateY(1px); }
.btn-yellow { background: var(--yellow); color: var(--black); }
.btn-yellow:hover { background: var(--yellow-deep); }
.btn-black { background: var(--black); color: var(--white); }
.btn-black:hover { background: var(--grey-800); }
.btn-line { background: transparent; color: var(--black); }
.btn-line:hover { background: var(--black); color: var(--white); }
.btn-lg { font-size: 1.3rem; padding: 16px 28px; }

/* ---------- En-tête ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.94); backdrop-filter: blur(10px); border-bottom: 1px solid var(--grey-300); }
.header-inner { display: flex; align-items: center; gap: 32px; min-height: 70px; }
.brand { margin-right: auto; }
.brand img { height: 46px; width: auto; }
.nav { display: flex; gap: 28px; }
.nav a { font-family: var(--display); font-weight: 600; font-size: 1.2rem; text-decoration: none; padding: 4px 0; border-bottom: 3px solid transparent; }
.nav a:hover { border-bottom-color: var(--yellow); }
.header-call { padding: 9px 16px; }

/* ---------- Accueil ---------- */
.hero { position: relative; isolation: isolate; color: var(--white); min-height: min(86vh, 760px); display: flex; align-items: center; }
.hero-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(90deg, rgba(29,28,30,.92) 0%, rgba(29,28,30,.78) 50%, rgba(29,28,30,.45) 100%);
}
.hero-inner { padding-top: 96px; padding-bottom: 104px; }
.hero h1 {
  margin: 0 0 24px; font-family: var(--display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(2.6rem, 6.6vw, 6rem); line-height: .92; letter-spacing: .005em; max-width: 20ch; text-wrap: balance;
}
.hero-lead { margin: 0 0 36px; max-width: 52ch; font-size: clamp(1.1rem, 1.6vw, 1.3rem); color: rgba(255,255,255,.86); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.hero-trust { margin: 0; padding-left: 16px; border-left: var(--edge) solid var(--yellow); color: rgba(255,255,255,.78); font-size: .95rem; line-height: 1.5; }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--white); }
.btn-ghost:hover { background: var(--white); color: var(--black); }
.shot img.missing { visibility: hidden; }

/* ---------- Bande jaune ---------- */
.band { background: var(--yellow); border-top: var(--edge) solid var(--black); border-bottom: var(--edge) solid var(--black); }
.band-inner { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; padding-top: 56px; padding-bottom: 56px; }
.band h2 { margin: 0; text-wrap: balance; font-family: var(--display); font-weight: 800; font-size: clamp(1.9rem, 3.8vw, 3rem); line-height: 1.02; max-width: 22ch; }
.band-actions { display: grid; gap: 16px; justify-items: start; }
.band-phone { font-family: var(--display); font-weight: 800; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; text-decoration: none; }
.band-phone:hover { text-decoration: underline; text-decoration-thickness: 4px; text-underline-offset: 6px; }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.title { margin: 0 0 44px; font-family: var(--display); font-weight: 800; text-transform: uppercase; font-size: clamp(2.2rem, 4.6vw, 3.4rem); line-height: 1; }

.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service { border: 3px solid var(--black); border-radius: 10px; padding: 28px 26px 30px; background: var(--white); }
.service-icon { width: 64px; height: 40px; margin-bottom: 18px; }
.service-icon rect { fill: var(--white); stroke: var(--black); stroke-width: 3.5; }
.service-icon rect.y { fill: var(--yellow); }
.service h3 { margin: 0 0 10px; font-family: var(--display); font-weight: 700; font-size: 1.7rem; line-height: 1.1; }
.service p { margin: 0 0 12px; color: var(--grey-600); }
.service p:last-child { margin-bottom: 0; }
.zones { list-style: none; margin: 4px 0 14px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.zones li { font-family: var(--display); font-weight: 600; font-size: 1.05rem; padding: 3px 10px; border: 2px solid var(--black); border-radius: 4px; }

/* ---------- Réalisations ---------- */
.section-dark { background: var(--black); color: var(--white); }
.section-dark .title { color: var(--white); }
.gallery { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.shot { position: relative; display: block; width: 100%; padding: 0; border: 0; border-radius: 8px; overflow: hidden; background: var(--grey-800); cursor: zoom-in; }
.shot img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform .5s var(--ease); }
.shot::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 8px; background: var(--yellow); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.shot:hover img { transform: scale(1.04); }
.shot:hover::after, .shot:focus-visible::after { transform: scaleX(1); }

.lightbox { border: 0; padding: 0; background: transparent; max-width: 92vw; max-height: 92vh; }
.lightbox::backdrop { background: rgba(29, 28, 30, .92); }
.lightbox img { max-width: 92vw; max-height: 84vh; width: auto; border: var(--edge) solid var(--black); }
.lightbox-close { display: block; margin: 12px auto 0; font-family: var(--display); font-weight: 700; font-size: 1.1rem; background: var(--yellow); border: 3px solid var(--black); border-radius: 6px; padding: 8px 18px; cursor: pointer; }

/* ---------- Contact ---------- */
.contact-lead { margin: 0 0 40px; max-width: 52ch; font-size: 1.15rem; color: var(--grey-600); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr 1fr; border-top: 3px solid var(--black); }
.contact-item { padding: 28px 28px 8px 0; }
.contact-item + .contact-item { padding-left: 28px; border-left: 1px solid var(--grey-300); }
.contact-item h3 { margin: 0 0 10px; font-family: var(--text); font-size: .95rem; font-weight: 500; color: var(--grey-600); }
.contact-item p { margin: 0; font-size: 1.1rem; line-height: 1.5; }
.contact-big {
  display: inline-block; font-family: var(--display); font-weight: 800; line-height: 1.05; text-decoration: none;
  font-size: clamp(1.9rem, 3.4vw, 2.8rem); overflow-wrap: anywhere;
  background: linear-gradient(var(--yellow), var(--yellow)) 0 90% / 100% 28% no-repeat;
}
.contact-mail { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
.contact-big:hover { background-size: 100% 100%; }

/* ---------- Pied de page ---------- */
.site-footer { background: var(--black); color: var(--grey-300); padding: 32px 0 36px; font-size: .95rem; border-top: var(--edge) solid var(--yellow); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.site-footer p { margin: 0; max-width: 60ch; }

.callbar { display: none; }

/* ---------- Mobile ---------- */
@media (max-width: 900px) {
  .nav { display: none; }
  .header-call span { display: none; }
  .hero { min-height: 0; }
  .hero::before { background: rgba(29,28,30,.82); }
  .hero-inner { padding-top: 64px; padding-bottom: 72px; }
  .hero h1 { font-size: clamp(2.4rem, 10.5vw, 3.4rem); }
  .hero-actions .btn { flex: 1 1 100%; }
  .band-inner { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-item, .contact-item + .contact-item { padding: 22px 0 18px; border-left: 0; border-bottom: 1px solid var(--grey-300); }
  .section { padding: 72px 0; }
  .services { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .callbar {
    display: grid; grid-template-columns: 1.3fr 1fr; gap: 8px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
    background: var(--white); border-top: 3px solid var(--black);
  }
  .callbar .btn { padding: 13px 10px; }
  body { padding-bottom: 80px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}