:root {
  --bg: #f7f4ef;
  --paper: #ffffff;
  --ink: #1e1e1e;
  --muted: #73706b;
  --line: #ded8cf;
  --accent: #b77d43;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 42px;
  background: rgba(247, 244, 239, .92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.brand {
  font-size: 30px;
  letter-spacing: -1px;
  font-weight: 700;
  text-transform: lowercase;
}

.brand-mark {
  color: var(--accent);
}

.main-nav {
  display: flex;
  gap: 34px;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: .12em;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--accent);
}

.burger {
  display: none;
  background: none;
  border: 0;
  font-size: 26px;
}

/* Hero */

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 92px 24px 70px;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 60px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 86px);
  line-height: .95;
  letter-spacing: -.06em;
  margin: 0 0 28px;
}

.lead {
  font-size: 20px;
  color: var(--muted);
  max-width: 700px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
}

.button {
  display:inline-flex;
  margin-top:20px;
  padding:14px 22px;

  border:1px solid var(--ink);
  background:var(--ink);
  color:white;

  text-transform:uppercase;
  font-size:12px;
  letter-spacing:.12em;
  border-radius: 15px;
  transition:
    transform .25s ease,
    box-shadow .25s ease,
    background .25s ease;
}

.button:hover {
  background:transparent;
  color:var(--ink);

  transform: translateY(-4px);

  box-shadow: 0 10px 25px rgba(0,0,0,.15);
}

.button:active {
  transform: translateY(-1px);
}

.hero-card {
  height: 460px;
  background: var(--paper);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 34px;
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.05em;
}

.plan-lines {
  position: absolute;
  inset: 32px;
  background:
    linear-gradient(90deg, transparent 49%, var(--line) 50%, transparent 51%),
    linear-gradient(0deg, transparent 49%, var(--line) 50%, transparent 51%);
  background-size: 68px 68px;
  opacity: .8;
}

.hero-card span {
  position: relative;
}

/* Sections */

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 24px;
  border-top: 1px solid var(--line);
}

.page-intro {
  border-top: 0;
  padding-top: 86px;
  min-height: calc(100vh - 170px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading h2,
.section-heading h1 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  margin: 0;
  letter-spacing: -.04em;
}

.split {
  max-width: none;
  display: flex;
  gap: 24px;
  justify-content: space-between;
  align-items: end;
}

.hint {
  max-width: 430px;
  color: var(--muted);
  font-size: 14px;
}

/* Services / Témoignages */

.service-grid,
.quote-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-grid article,
.quote-grid blockquote {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 28px;
  margin: 0;
}

.service-grid span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.service-grid h3 {
  font-size: 24px;
  margin: 20px 0 12px;
}

.service-grid p,
.quote-grid {
  color: var(--muted);
}

blockquote cite {
  display: block;
  margin-top: 18px;
  color: var(--ink);
  font-style: normal;
}

.quote-grid {
  grid-template-columns: repeat(2, 1fr);
}

/* Réalisations */

.project-list {
  display: grid;
  gap: 64px;
}

.project-card {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(260px, 1fr);
  gap: 32px;
  align-items: start;
}

.project-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e8e1d8;
  border: 1px solid var(--line);
  cursor: zoom-in;
  position: relative;
}

.project-media img,
.project-pdf {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.project-media img {
  object-fit: cover;
}

.project-media iframe {
  pointer-events: none;
}

.project-count {
  position: absolute;
  right: 12px;
  bottom: 12px;
  background: rgba(0, 0, 0, .62);
  color: white;
  padding: 6px 10px;
  font-size: 12px;
  z-index: 2;
}

.project-text {
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
}

.project-text h3 {
  color: var(--ink);
  font-size: 28px;
  margin: 0 0 12px;
  letter-spacing: -.03em;
}

.loading,
.empty {
  color: var(--muted);
}

/* Contact */

.contact {
  background: var(--paper);
  border: 1px solid var(--line);
  margin-bottom: 40px;
  padding: 54px;
}

.contact h2,
.contact h1 {
  font-size: 52px;
  line-height: 1;
  margin: 0 0 10px;
  letter-spacing: -.04em;
}

/* Lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 15, .92);
  z-index: 9990;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.lightbox.open {
  display: flex;
}

.lightbox-media {
  position: relative;
  z-index: 1;
  width: min(92vw, 1200px);
  height: 86vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-media img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.lightbox-pdf {
  width: 100%;
  height: 100%;
  border: 0;
  background: white;
}

.lightbox-close,
.lightbox-arrow {
  position: fixed;
  z-index: 10050;
  border: 0;
  background: rgba(0, 0, 0, .55);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-close {
  top: 24px;
  right: 28px;
  font-size: 42px;
  width: 58px;
  height: 58px;
}

.lightbox-arrow {
  top: 50%;
  transform: translateY(-50%);
  font-size: 64px;
  width: 70px;
  height: 92px;
}

.lightbox-arrow.prev {
  left: 28px;
}

.lightbox-arrow.next {
  right: 28px;
}

.lightbox-arrow[hidden] {
  display: none !important;
}

/* Footer */

footer {
  text-align: center;
  color: var(--muted);
  padding: 34px 20px;
  border-top: 1px solid var(--line);
}

/* Responsive */

@media (max-width: 820px) {
  .site-header {
    padding: 18px 20px;
  }

  .burger {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 70px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 18px 24px;
    flex-direction: column;
    gap: 16px;
  }

  .main-nav.open {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 54px;
  }

  .hero-card {
    height: 280px;
  }

  .split,
  .project-card {
    display: block;
  }

  .project-text {
    margin-top: 16px;
  }

  .service-grid,
  .quote-grid {
    grid-template-columns: 1fr;
  }

  .contact {
    margin: 0 20px 30px;
  }

  .lightbox {
    padding: 16px;
  }

  .lightbox-media {
    width: 94vw;
    height: 84vh;
  }

  .lightbox-close {
    top: 12px;
    right: 12px;
    width: 48px;
    height: 48px;
    font-size: 34px;
  }

  .lightbox-arrow {
    font-size: 46px;
    width: 52px;
    height: 76px;
  }

  .lightbox-arrow.prev {
    left: 8px;
  }

  .lightbox-arrow.next {
    right: 8px;
  }
}

.home-banner {
  position: relative;
  width: 100%;
  height: 85vh;
  overflow: hidden;
}

.home-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, .35);
  z-index: 1;
}

.banner-content {
  position: absolute;
  left: 8%;
  bottom: 10%;
  max-width: 750px;
  color: white;
  z-index: 2;
}

.banner-content h1 {
  font-size: clamp(20px, 7vw, 50px);
  line-height: .95;
  letter-spacing: -.06em;
  margin: 0 0 25px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .6);
}

.banner-content .lead,
.banner-content .eyebrow {
  color: white;
  text-shadow: 0 2px 15px rgba(0, 0, 0, .7);
}

.banner-content .button {
  border-color: white;
  background: white;
  color: var(--ink);
}



/* Téléphone dans le header */

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  white-space: nowrap;
  text-decoration: none;
}

.header-phone:hover {
  color: var(--ink);
}

.phone-icon {
  font-size: 28px;
  line-height: 1;
}

@media (max-width: 820px) {
  .header-phone {
    font-size: 18px;
    margin-left: auto;
    margin-right: 12px;
  }

  .phone-icon {
    font-size: 21px;
  }
}

.quote-button {
  position: absolute;
  right: 6%;
  bottom: 8%;
  z-index: 3;

  padding: 18px 32px;

  background: #ffb368;
  color: rgb(0, 0, 0);

  border: 2px solid #ffb368;

  text-transform: uppercase;
  letter-spacing: .12em;
  font-weight: 700;
  border-radius: 15px;

  cursor: pointer;

  transition:
    transform .25s ease,
    background .25s ease,
    box-shadow .25s ease;

  box-shadow: 0 8px 25px rgba(0,0,0,.18);
}

.quote-button::before {
  content: "";

  position: absolute;
  top: 0;
  left: -120%;

  width: 80%;
  height: 100%;

  background: linear-gradient(
      90deg,
      transparent,
      rgba(255,255,255,.35),
      transparent
  );

  transition: left .6s ease;
}

.quote-button:hover::before {
  left: 130%;
}

.quote-button:hover {
  transform: translateY(-4px);

  background: #c98c4d;

  box-shadow: 0 14px 35px rgba(0,0,0,.28);
}

.quote-button:active {
  transform: translateY(-1px);
}

.quote-modal {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.65);
}

.quote-modal.open {
  display: flex;
}

.quote-form {
  position: relative;
  width: min(92vw, 560px);
  background: white;
  padding: 34px;
  display: grid;
  gap: 14px;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  padding: 14px;
  border: 1px solid var(--line);
  font: inherit;
}

.quote-form textarea {
  min-height: 150px;
}

.quote-close {
  position: absolute;
  top: 10px;
  right: 14px;
  border: 0;
  background: none;
  font-size: 32px;
  cursor: pointer;
}

.seo-content {
    max-width: 1100px;
    margin: 80px auto;
    padding: 0 30px;
}

.seo-content h2 {
    font-size: 40px;
    margin-bottom: 30px;
}

.seo-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.project-link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 700;
}

.project-detail-gallery {
  display: grid;
  gap: 28px;
  margin: 40px 0;
}

.project-detail-gallery img {
  width: 100%;
  max-width: 1000px;
  height: auto;
}

.project-pdf-detail {
  width: 100%;
  max-width: 1000px;
  height: 80vh;
  border: 0;
  background: white;
}

.project-detail-text {
  max-width: 1000px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
}