/* ============================================================
   @font-face locaux — Playfair Display + Inter
   Téléchargés depuis Google Fonts (latin + latin-ext, weights 300/400/500)
   ============================================================ */
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url(../fonts/inter-300-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  font-display: swap;
  src: url(../fonts/inter-300-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/inter-400-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/inter-400-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/inter-500-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/inter-500-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/playfair-display-400-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(../fonts/playfair-display-400-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* latin-ext */
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/playfair-display-500-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(../fonts/playfair-display-500-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* ============================================================
   G&C Construction — feuille de style V2
   Aligné CLAUDE.md : palette officielle, Playfair + Inter,
   grille 8px, fond crème #FAFAF7, sans italique romantique.
   ============================================================ */

:root {
  --color-bg:       #FAFAF7;
  --color-text:     #1A1A1A;
  --color-primary:  #3C5A96;  /* bleu acier du logo */
  --color-accent:   #141414;  /* noir du logo */
  --color-muted:    #6B6B6B;
  --color-border:   #E5E3DC;
  --color-card-bg:  #FFFFFF;

  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Grille 8px : 8 / 16 / 24 / 32 / 48 / 64 / 96 / 128 */
  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 32px;
  --s-5: 48px;
  --s-6: 64px;
  --s-7: 96px;
  --s-8: 128px;

  --shadow-soft: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(20,20,20,.06);
  --shadow-strong: 0 16px 48px rgba(20,20,20,.18);

  --max-width: 1320px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--s-5);
}

/* ============================================================
   ANIMATIONS — fade in au scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.22,.61,.36,1), transform .9s cubic-bezier(.22,.61,.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s-3) var(--s-5);
  background: rgba(250, 250, 247, 0);
  transition: background .35s ease, padding .35s ease;
}
.site-header.scrolled {
  background: rgba(250, 250, 247, 0.94);
  backdrop-filter: saturate(180%) blur(14px);
  padding: var(--s-2) var(--s-5);
  border-bottom: 1px solid var(--color-border);
}
.brand img {
  height: 36px; width: auto;
  opacity: 0;
  transition: opacity .35s ease;
}
.site-header.scrolled .brand img { opacity: 1; }

.nav {
  display: flex; gap: var(--s-5); align-items: center;
}
.nav a {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: .85;
  transition: opacity .2s ease, color .2s ease;
  position: relative;
  padding: var(--s-1) 0;
}
.nav a:hover { opacity: 1; color: var(--color-primary); }
.nav a:not(.nav-cta)::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: var(--color-primary);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.nav a:not(.nav-cta):hover::after { transform: scaleX(1); }
.nav-cta {
  border: 1px solid var(--color-text);
  padding: 10px 20px !important;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.nav-cta:hover {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  padding: var(--s-1);
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--color-text);
  transition: transform .3s ease, opacity .3s ease;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 0 var(--s-5);
}
/* Slideshow */
.hero-slides { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.4s ease, transform 11s ease;
}
.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}
.hero-veil {
  position: absolute; inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg,
      rgba(250, 250, 247, 0.40) 0%,
      rgba(250, 250, 247, 0.52) 50%,
      rgba(20, 20, 20, 0.45) 100%);
  pointer-events: none;
}

/* Dots */
.hero-dots {
  position: absolute;
  bottom: var(--s-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex; gap: var(--s-2);
}
.hero-dot {
  width: 28px; height: 2px;
  background: rgba(20, 20, 20, .25);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background .35s ease, width .35s ease;
}
.hero-dot:hover { background: rgba(20, 20, 20, .55); }
.hero-dot.active {
  background: var(--color-text);
  width: 44px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1100px;
  animation: fadeInUp 1.2s ease .4s both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow {
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: .75;
  margin-bottom: var(--s-5);
  font-weight: 500;
}
.hero-logo {
  display: block;
  margin: 0 auto var(--s-5);
  width: clamp(240px, 28vw, 380px);
  height: auto;
}
.hero-tagline {
  font-size: clamp(12px, 1vw, 14px);
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: var(--s-6);
  opacity: .9;
}
.hero-tagline .sep { color: var(--color-primary); margin: 0 var(--s-2); }
.hero-cta-group {
  display: inline-flex; gap: var(--s-2); flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 16px 28px;
  border: 1px solid transparent;
  transition: all .25s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}
.btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  gap: var(--s-3);
}
.btn-ghost {
  border: 1px solid var(--color-text);
  color: var(--color-text);
}
.btn-ghost:hover {
  background: var(--color-text);
  color: #fff;
}
.btn .arrow { display: inline-block; transition: transform .25s ease; }
.btn:hover .arrow { transform: translateX(4px); }

.hero-scroll {
  position: absolute;
  bottom: var(--s-3); right: var(--s-4);
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-text);
  opacity: .55;
  writing-mode: vertical-rl;
  animation: bounce 2.4s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); opacity: .55; }
  50%      { transform: translateY(6px); opacity: .85; }
}

/* ============================================================
   SECTIONS communes
   ============================================================ */
.section {
  padding: var(--s-8) 0;
}
.section-head { margin-bottom: var(--s-7); }
.section-eyebrow {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 3.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--s-2);
}
.section-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(36px, 4.5vw, 60px);
  line-height: 1.05;
  letter-spacing: -1px;
  color: var(--color-text);
  margin-bottom: var(--s-3);
}
.section-lead {
  font-size: 17px;
  color: var(--color-muted);
  max-width: 680px;
  line-height: 1.7;
}

/* ============================================================
   MANIFEST
   ============================================================ */
.manifest { padding: var(--s-7) 0; }
.manifest .container { text-align: center; max-width: 920px; }
.manifest-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(40px, 5.5vw, 72px);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: var(--s-4);
}
.manifest-title em {
  font-style: italic;
  font-weight: 400;
  color: var(--color-primary);
}
.manifest-text {
  font-size: 18px;
  color: var(--color-muted);
  line-height: 1.75;
  max-width: 680px;
  margin: 0 auto;
}

/* ============================================================
   RÉALISATIONS
   ============================================================ */
.filters {
  display: flex;
  gap: var(--s-3);
  margin-bottom: var(--s-6);
  flex-wrap: wrap;
}
.filter {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 12px 22px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  transition: all .2s ease;
  display: inline-flex; align-items: center; gap: var(--s-1);
}
.filter:hover {
  border-color: var(--color-text);
}
.filter.active {
  background: var(--color-text);
  color: #fff;
  border-color: var(--color-text);
}
.filter .count {
  font-size: 10px;
  opacity: .55;
}
.filter.active .count { opacity: .8; }

.realisations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--s-5);
}
.reno-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  cursor: pointer;
  display: flex; flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, opacity .3s ease;
}
.reno-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-strong);
}
.reno-card.hidden {
  display: none;
}
.reno-cover {
  aspect-ratio: 4 / 3;
  background-size: cover;
  background-position: center;
  transition: transform .8s cubic-bezier(.22,.61,.36,1);
}
.reno-card:hover .reno-cover { transform: scale(1.06); }
.reno-body { padding: var(--s-4) var(--s-4) var(--s-5); }
.reno-meta {
  display: flex; gap: var(--s-2);
  font-size: 10.5px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--s-2);
  flex-wrap: wrap;
}
.reno-meta span { position: relative; }
.reno-meta span:not(:last-child)::after {
  content: '·';
  margin-left: var(--s-2);
  color: var(--color-border);
}
.reno-body h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 24px;
  line-height: 1.25;
  margin-bottom: var(--s-1);
}
.reno-credit {
  font-size: 12px;
  color: var(--color-muted);
  margin-bottom: var(--s-2);
  font-style: italic;
}
.reno-desc {
  font-size: 14.5px;
  color: var(--color-muted);
  line-height: 1.65;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services {
  background: var(--color-text);
  color: #fff;
}
.services .section-title { color: #fff; }
.services .section-lead { color: rgba(255,255,255,.7); }
.services .section-eyebrow { color: #9ab2ea; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--s-1);
  border: 1px solid rgba(255,255,255,.08);
}
.service-card {
  padding: var(--s-5);
  border: 1px solid rgba(255,255,255,.08);
  position: relative;
  transition: background .3s ease;
}
.service-card:hover {
  background: rgba(60, 90, 150, 0.12);
}
.service-num {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 400;
  color: #9ab2ea;
  letter-spacing: 1px;
  display: block;
  margin-bottom: var(--s-3);
}
.service-card h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  margin-bottom: var(--s-2);
  line-height: 1.25;
}
.service-card p {
  font-size: 14.5px;
  color: rgba(255,255,255,.65);
  line-height: 1.65;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  background: var(--color-bg);
}
.about-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--s-7);
  align-items: start;
}
.about-text p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--color-muted);
  margin-bottom: var(--s-3);
}
.about-points {
  list-style: none;
  margin-top: var(--s-5);
}
.about-points li {
  display: flex; flex-direction: column;
  padding: var(--s-3) 0;
  border-top: 1px solid var(--color-border);
}
.about-points li:last-child {
  border-bottom: 1px solid var(--color-border);
}
.about-points strong {
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-text);
  font-weight: 500;
  margin-bottom: 4px;
}
.about-points span {
  font-size: 14.5px;
  color: var(--color-muted);
}

.about-card {
  background: var(--color-text);
  color: #fff;
  padding: var(--s-5);
}
.about-stat {
  display: flex; align-items: baseline; gap: var(--s-3);
  padding: var(--s-3) 0;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.about-stat:first-child { padding-top: 0; }
.about-stat .num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -1px;
  color: #fff;
  min-width: 90px;
}
.about-stat .label {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.7);
}
.about-partners {
  margin-top: var(--s-4);
  padding-top: var(--s-4);
  border-top: 1px solid rgba(255,255,255,.12);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--s-2);
}
.about-partners-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}
.about-partners-logo {
  display: inline-block;
  line-height: 0;
}
.about-partners-logo img {
  width: 64px;
  height: auto;
  filter: brightness(1.1);
  transition: filter .2s ease;
}
.about-partners-logo:hover img {
  filter: brightness(1.25);
}
.about-partners-name {
  font-family: var(--font-serif);
  font-size: 16px;
  color: rgba(255,255,255,.92);
  font-weight: 500;
}

/* ============================================================
   GARANTIES & ASSURANCES
   ============================================================ */
.guarantees {
  background: var(--color-bg);
  padding-top: var(--s-7);
  padding-bottom: var(--s-7);
}
.guarantees .section-head {
  text-align: center;
  margin-bottom: var(--s-6);
}
.guarantees .section-lead { margin: 0 auto; max-width: 640px; }

.guarantees-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4);
}
.guarantee-card {
  background: #fff;
  border: 1px solid var(--color-border);
  padding: var(--s-5) var(--s-4);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  transition: border-color .3s ease, transform .3s ease;
}
.guarantee-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.guarantee-icon {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
  flex-shrink: 0;
}
.guarantee-card h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.2;
  color: var(--color-text);
  margin: 0;
}
.guarantee-desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0;
}
.guarantee-desc strong { color: var(--color-text); font-weight: 500; }

.guarantee-meta {
  margin: var(--s-2) 0 0;
  padding-top: var(--s-3);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.guarantee-meta > div { display: flex; flex-direction: column; gap: 2px; }
.guarantee-meta dt {
  font-size: 10.5px;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 500;
}
.guarantee-meta dd {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 400;
  margin: 0;
}

.guarantee-legal {
  margin: auto 0 0;
  padding-top: var(--s-3);
  border-top: 1px solid var(--color-border);
  font-size: 11.5px;
  font-style: italic;
  color: var(--color-muted);
}

.guarantees-footer {
  text-align: center;
  margin-top: var(--s-5);
  font-size: 14.5px;
  color: var(--color-muted);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}
.guarantees-footer a {
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  transition: opacity .2s ease;
}
.guarantees-footer a:hover { opacity: .7; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  background: #fff;
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: start;
}
.contact-lead {
  font-size: 17px;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--s-5);
  max-width: 480px;
}
.contact-list {
  list-style: none;
}
.contact-list li {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-top: 1px solid var(--color-border);
  align-items: baseline;
}
.contact-list li:last-child {
  border-bottom: 1px solid var(--color-border);
}
.contact-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 500;
}
.contact-list a {
  color: var(--color-text);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, color .2s ease;
}
.contact-list a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.contact-form {
  background: var(--color-bg);
  padding: var(--s-5);
  display: flex; flex-direction: column; gap: var(--s-3);
}
.contact-form label {
  display: flex; flex-direction: column; gap: var(--s-1);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--color-muted);
}
.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-3);
}
.contact-form .form-row label { margin: 0; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  font: inherit;
  font-size: 15px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text);
  transition: border-color .2s ease;
  border-radius: 0;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.contact-form .btn { align-self: flex-start; margin-top: var(--s-1); }

/* État bouton désactivé pendant l'envoi */
.contact-form .btn[disabled] {
  opacity: .55;
  cursor: progress;
  pointer-events: none;
}

.form-note {
  font-size: 12px;
  color: var(--color-muted);
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

/* Astérisque rouge discret pour champs obligatoires */
.contact-form .required {
  font-style: normal;
  color: #c0392b;
  margin-left: 2px;
}

/* Honeypot anti-spam — caché aux humains, visible aux bots */
.contact-form .hp-field {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

/* Bloc de feedback succès / erreur (palette de marque #3C5A96 + #c0392b pour erreurs) */
.form-status {
  margin: 0;
  padding: 14px 18px;
  border-left: 3px solid var(--color-primary);
  background: rgba(60, 90, 150, .06);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.55;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}
.form-status[hidden] { display: none; }
.form-status.success {
  border-left-color: var(--color-primary);
  background: rgba(60, 90, 150, .08);
}
.form-status.error {
  border-left-color: #c0392b;
  background: rgba(192, 57, 43, .07);
  color: #7a2317;
}
.form-status strong { font-weight: 600; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-text);
  color: rgba(255,255,255,.7);
  padding-top: var(--s-7);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: var(--s-6);
  padding-bottom: var(--s-6);
}
.footer-logo {
  height: 56px; width: auto;
  margin-bottom: var(--s-3);
  filter: brightness(0) invert(1);
}
.footer-brand p { margin-bottom: var(--s-1); font-size: 14px; }
.footer-region {
  color: rgba(255,255,255,.45);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-title {
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  font-weight: 500;
  margin-bottom: var(--s-3);
}
.footer-nav {
  display: flex; flex-direction: column;
  gap: var(--s-1);
}
.footer-nav a {
  font-size: 14px;
  color: rgba(255,255,255,.85);
  transition: color .2s ease;
}
.footer-nav a:hover { color: #fff; }
.footer-meta p {
  font-size: 13px;
  margin-bottom: 4px;
  line-height: 1.6;
}
.footer-insurance {
  margin-top: var(--s-2) !important;
  padding-top: var(--s-2);
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 12px !important;
  color: rgba(255,255,255,.55);
}
.footer-insurance a {
  color: rgba(255,255,255,.7);
  border-bottom: 1px solid rgba(255,255,255,.2);
}
.footer-insurance a:hover { color: #fff; border-color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: var(--s-3) 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px;
  color: rgba(255,255,255,.5);
  flex-wrap: wrap;
  gap: var(--s-2);
}
.footer-bottom a {
  color: rgba(255,255,255,.7);
  border-bottom: 1px solid rgba(255,255,255,.2);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}
.footer-bottom a:hover {
  color: #fff;
  border-color: #fff;
}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(20,20,20,.96);
  z-index: 100;
  display: none;
  align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lb-stage {
  max-width: 90vw; max-height: 90vh;
  display: flex; flex-direction: column; align-items: center; gap: var(--s-2);
}
.lb-image {
  max-width: 90vw; max-height: 80vh;
  object-fit: contain;
}
.lb-caption {
  color: rgba(255,255,255,.85);
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}
.lb-close, .lb-prev, .lb-next {
  position: absolute;
  color: #fff;
  font-size: 36px;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.08);
  transition: background .2s ease;
}
.lb-close:hover, .lb-prev:hover, .lb-next:hover { background: rgba(255,255,255,.2); }
.lb-close { top: var(--s-3); right: var(--s-3); font-size: 32px; }
.lb-prev { left: var(--s-3); top: 50%; transform: translateY(-50%); font-size: 44px; }
.lb-next { right: var(--s-3); top: 50%; transform: translateY(-50%); font-size: 44px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about-inner, .contact-inner { grid-template-columns: 1fr; gap: var(--s-5); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: var(--s-5); }
  .guarantees-grid { grid-template-columns: 1fr 1fr; }
  .guarantees-grid .guarantee-card:last-child { grid-column: 1 / -1; max-width: 50%; margin: 0 auto; }
}
@media (max-width: 768px) {
  :root { --s-7: 64px; --s-8: 80px; }
  .container { padding: 0 var(--s-3); }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0;
         background: var(--color-bg); flex-direction: column;
         padding: var(--s-3); border-bottom: 1px solid var(--color-border);
         gap: var(--s-2); }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta { align-self: flex-start; }

  .hero { padding: 0 var(--s-3); }
  .hero-cta-group { flex-direction: column; width: 100%; align-items: stretch; max-width: 280px; margin: 0 auto; }
  .hero-cta-group .btn { justify-content: center; }

  .realisations-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-form .form-row { grid-template-columns: 1fr; }
  .contact-list li { grid-template-columns: 1fr; gap: 4px; }
  .footer-inner { grid-template-columns: 1fr; }
  .guarantees-grid { grid-template-columns: 1fr; }
  .guarantees-grid .guarantee-card:last-child { max-width: none; }
}
@media (max-width: 480px) {
  .footer-bottom .container { flex-direction: column; align-items: flex-start; }
}


/* Crédit photo discret en bas de chaque card */
.credit-photo {
  font-size: 0.85rem;
  font-style: italic;
  color: #888;
  margin-top: 0.5rem;
}