/* =========================================================
   ATELIER ROUSSEL — MAÇONNERIE & PATRIMOINE
   Design system & global styles
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* ----------- Tokens ----------- */
:root {
  --c-cream:        #F4EFE6;
  --c-stone:        #D9CFB8;
  --c-stone-dark:   #BCB29A;
  --c-terre:        #9B5C3F;
  --c-ocre:         #C68642;
  --c-ink:          #1C1C1A;
  --c-ink-soft:     #2A2A27;
  --c-muted:        #6E665A;
  --c-line:         rgba(28,28,26,0.12);

  --ff-serif:  'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --ff-sans:   'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --maxw: 1480px;
  --gutter: clamp(20px, 4vw, 64px);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --header-h: 84px;
}

/* ----------- Reset ----------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, ul, ol { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, picture, video { display: block; max-width: 100%; height: auto; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
a { color: inherit; text-decoration: none; }

/* ----------- Body ----------- */
html, body { background: var(--c-cream); color: var(--c-ink); }
body {
  font-family: var(--ff-sans);
  font-size: 17px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ----------- Typo ----------- */
.serif    { font-family: var(--ff-serif); font-weight: 400; }
.italic   { font-style: italic; }
.eyebrow {
  font-family: var(--ff-sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-terre);
  font-weight: 500;
}

h1, h2, h3, h4 { font-family: var(--ff-serif); font-weight: 400; line-height: 1.05; letter-spacing: -0.01em; }

.h-display { font-size: clamp(48px, 8vw, 128px); line-height: 0.98; letter-spacing: -0.02em; }
.h-1       { font-size: clamp(40px, 5.6vw, 84px); line-height: 1.02; }
.h-2       { font-size: clamp(32px, 4vw, 56px); }
.h-3       { font-size: clamp(24px, 2.6vw, 36px); }
.h-4       { font-size: clamp(20px, 1.8vw, 26px); }

p.lead {
  font-size: clamp(19px, 1.5vw, 22px);
  line-height: 1.55;
  color: var(--c-ink-soft);
  max-width: 60ch;
}

.muted { color: var(--c-muted); }

/* ----------- Layout ----------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(80px, 11vh, 160px) 0; }
.section-tight { padding: clamp(56px, 8vh, 104px) 0; }

.grid { display: grid; gap: clamp(24px, 3vw, 56px); }
.cols-2 { grid-template-columns: 1fr; }
.cols-3 { grid-template-columns: 1fr; }
.cols-4 { grid-template-columns: 1fr 1fr; }
@media (min-width: 800px) {
  .cols-2 { grid-template-columns: 1fr 1fr; }
  .cols-3 { grid-template-columns: 1fr 1fr 1fr; }
  .cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.cols-asym {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 56px);
}
@media (min-width: 900px) {
  .cols-asym { grid-template-columns: 5fr 7fr; align-items: end; }
  .cols-asym.reverse { grid-template-columns: 7fr 5fr; }
}

/* ----------- Animated underline links ----------- */
a.link {
  position: relative;
  display: inline-block;
  padding-bottom: 2px;
  color: var(--c-ink);
}
a.link::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .55s var(--ease-out);
}
a.link:hover::after { transform: scaleX(1); }

/* ----------- Buttons ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  font-family: var(--ff-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--c-ink);
  background: var(--c-ink);
  color: var(--c-cream);
  transition: background .4s var(--ease-out), color .4s var(--ease-out), transform .4s var(--ease-out);
}
.btn:hover { background: var(--c-terre); border-color: var(--c-terre); }
.btn--ghost { background: transparent; color: var(--c-ink); }
.btn--ghost:hover { background: var(--c-ink); color: var(--c-cream); }
.btn--light { background: var(--c-cream); color: var(--c-ink); border-color: var(--c-cream); }
.btn--light:hover { background: var(--c-ocre); border-color: var(--c-ocre); color: var(--c-ink); }
.btn .arrow { display: inline-block; transition: transform .4s var(--ease-out); }
.btn:hover .arrow { transform: translateX(4px); }

/* ----------- Header ----------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background .5s var(--ease-out), border-color .5s var(--ease-out), color .5s var(--ease-out);
  border-bottom: 1px solid transparent;
}
.site-header.is-light { color: var(--c-cream); }
.site-header.is-scrolled {
  background: rgba(244, 239, 230, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-line);
  color: var(--c-ink);
}
.site-header__inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  font-family: var(--ff-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.05;
}
.brand small {
  display: block;
  font-family: var(--ff-sans);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 2px;
  opacity: .75;
}
.nav { display: none; gap: 28px; align-items: center; }
.nav a { font-size: 14px; font-weight: 500; }
.nav .btn { padding: 12px 22px; }
@media (min-width: 980px) {
  .nav { display: flex; }
  .nav-toggle { display: none; }
}
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  align-items: center;
  border: 1px solid currentColor;
  border-radius: 999px;
}
.nav-toggle span { width: 16px; height: 1px; background: currentColor; display: block; }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--c-ink);
  color: var(--c-cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--gutter);
  transform: translateY(-100%);
  transition: transform .55s var(--ease-in-out);
}
.mobile-nav.is-open { transform: translateY(0); }
.mobile-nav a { font-family: var(--ff-serif); font-size: 36px; padding: 14px 0; display: block; }
.mobile-nav .close {
  position: absolute; top: 22px; right: var(--gutter);
  width: 44px; height: 44px;
  border-radius: 999px;
  border: 1px solid var(--c-cream);
  display: flex; align-items: center; justify-content: center;
}

/* ----------- Hero (Accueil) ----------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  color: var(--c-cream);
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: -10% 0 -10% 0;
  z-index: 0;
  will-change: transform;
}
.hero__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(28,28,26,0.30) 0%, rgba(28,28,26,0.05) 30%, rgba(28,28,26,0.70) 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: clamp(56px, 9vh, 120px);
  padding-top: calc(var(--header-h) + 24px);
}
.hero__eyebrow { color: var(--c-stone); margin-bottom: 22px; }
.hero__title {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: clamp(50px, 8.5vw, 138px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 14ch;
}
.hero__title em { font-style: italic; color: var(--c-stone); font-weight: 300; }
.hero__title .reveal-mask {
  display: block;
  overflow: hidden;
  padding-block: 0.08em;
}
.hero__title .reveal-mask span { display: block; }
.hero__sub {
  margin-top: 32px;
  max-width: 52ch;
  font-size: clamp(17px, 1.3vw, 20px);
  color: var(--c-stone);
  font-weight: 300;
  line-height: 1.55;
}
.hero__meta {
  margin-top: 56px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 32px;
  align-items: center;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-stone);
}
.hero__scroll {
  position: absolute;
  right: var(--gutter); bottom: 32px;
  z-index: 3;
  display: flex; align-items: center; gap: 10px;
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--c-cream);
}
.hero__scroll::before {
  content: '';
  width: 56px; height: 1px; background: currentColor;
  transform-origin: right;
  animation: scrollLine 2.4s var(--ease-in-out) infinite;
}
@keyframes scrollLine { 0%,100%{transform:scaleX(1)} 50%{transform:scaleX(.3)} }

/* ----------- Reveal animation utility ----------- */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal-stagger > * { opacity: 0; transform: translateY(20px); }

/* ----------- Section: Présentation ----------- */
.intro-bloc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 800px) {
  .intro-bloc { grid-template-columns: 220px 1fr; gap: 64px; }
}
.intro-bloc h2 {
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.15;
  max-width: 22ch;
}
.intro-bloc .eyebrow { padding-top: 10px; border-top: 1px solid var(--c-ink); display: inline-block; }

/* ----------- Photo intro section ----------- */
.intro-photo {
  width: 100%;
  overflow: hidden;
  background: var(--c-stone);
}
.intro-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.92);
  transition: transform 1.4s var(--ease-out);
}
.intro-photo:hover img { transform: scale(1.03); }

/* ----------- Section: Piliers ----------- */
.piliers {
  border-top: 1px solid var(--c-line);
  padding-top: clamp(48px, 6vh, 80px);
}
.pilier {
  border-top: 1px solid var(--c-line);
  padding: 36px 0 8px;
}
.pilier figure {
  margin: 0 0 28px 0;
  overflow: hidden;
  background: var(--c-stone);
}
.pilier figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.88);
  transition: transform 1.2s var(--ease-out), filter .6s var(--ease-out);
}
.pilier:hover figure img { transform: scale(1.04); filter: saturate(1); }
.pilier__num {
  font-family: var(--ff-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--c-terre);
  margin-bottom: 28px;
}
.pilier h3 {
  font-size: clamp(28px, 2.6vw, 36px);
  margin-bottom: 18px;
}
.pilier p { color: var(--c-muted); max-width: 32ch; }

/* ----------- Counters ----------- */
.counters {
  background: var(--c-ink);
  color: var(--c-cream);
}
.counter {
  text-align: left;
  padding: 24px 0;
  border-top: 1px solid rgba(244,239,230,0.18);
}
.counter:first-child { border-top: 0; }
@media (min-width: 800px) {
  .counter { border-top: 0; border-left: 1px solid rgba(244,239,230,0.18); padding: 0 0 0 32px; }
  .counter:first-child { border-left: 0; padding-left: 0; }
}
.counter__num {
  font-family: var(--ff-serif);
  font-size: clamp(64px, 9vw, 140px);
  line-height: 1;
  letter-spacing: -0.02em;
  display: block;
}
.counter__num em { font-style: italic; color: var(--c-ocre); font-weight: 300; }
.counter__lbl {
  margin-top: 16px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-stone);
  display: block;
}

/* ----------- Section: Réalisations preview (homepage) ----------- */
.realisations-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 56px;
}
@media (min-width: 800px) {
  .realisations-preview {
    grid-template-columns: repeat(12, 1fr);
    gap: 32px 32px;
  }
  .realisations-preview .r-item:nth-child(1) { grid-column: 1 / span 7; grid-row: 1; }
  .realisations-preview .r-item:nth-child(2) { grid-column: 9 / span 4; grid-row: 1; padding-top: 80px; }
  .realisations-preview .r-item:nth-child(3) { grid-column: 2 / span 4; grid-row: 2; padding-top: 60px; }
  .realisations-preview .r-item:nth-child(4) { grid-column: 7 / span 6; grid-row: 2; }
}
.r-item figure { overflow: hidden; }
.r-item img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.88);
  transition: transform 1.2s var(--ease-out), filter .6s var(--ease-out);
}
.r-item:hover img { transform: scale(1.04); filter: saturate(1); }
.r-item .meta {
  margin-top: 18px;
  display: flex; justify-content: space-between; gap: 16px;
  font-size: 13px; color: var(--c-muted);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.r-item h4 {
  margin-top: 6px;
  font-size: clamp(20px, 1.6vw, 26px);
}

/* ----------- Section: Étude de cas mise en avant (homepage) ----------- */
.case-feature {
  position: relative;
  background: var(--c-stone);
  color: var(--c-ink);
  padding: clamp(56px, 9vh, 120px) 0;
  overflow: hidden;
}
.case-feature::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(60% 70% at 80% 20%, rgba(198,134,66,0.18), transparent 70%);
  pointer-events: none;
}
.case-feature .grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .case-feature .grid { grid-template-columns: 1fr 1fr; gap: 64px; }
}
.case-feature img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
}
.case-feature h2 {
  font-size: clamp(36px, 4.2vw, 64px);
  line-height: 1.05;
  max-width: 14ch;
}
.case-feature h2 em { font-style: italic; color: var(--c-terre); font-weight: 300; }

/* ----------- Témoignages ----------- */
.testi {
  border-top: 1px solid var(--c-line);
  padding: 48px 0 0;
}
.testi blockquote {
  font-family: var(--ff-serif);
  font-size: clamp(22px, 2.2vw, 32px);
  line-height: 1.35;
  font-weight: 400;
  letter-spacing: -0.01em;
  max-width: 30ch;
}
.testi blockquote::before { content: '« '; color: var(--c-terre); }
.testi blockquote::after  { content: ' »'; color: var(--c-terre); }
.testi cite {
  display: block;
  margin-top: 22px;
  font-style: normal;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* ----------- Contact bloc (homepage) ----------- */
.contact-block {
  background: var(--c-ink);
  color: var(--c-cream);
  padding: clamp(64px, 10vh, 140px) 0;
}
.contact-block h2 { color: var(--c-cream); max-width: 18ch; }
.contact-block .infos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 800px) { .contact-block .infos { grid-template-columns: 1fr 1fr 1fr; } }
.contact-block .info-card {
  border-top: 1px solid rgba(244,239,230,0.2);
  padding-top: 24px;
}
.contact-block .info-card h4 {
  font-family: var(--ff-sans);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-stone);
  font-weight: 500;
  margin-bottom: 18px;
}
.contact-block .info-card p { color: var(--c-cream); line-height: 1.7; }
.contact-block .info-card a { color: var(--c-cream); }

.map-embed {
  width: 100%;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  border: 0;
  filter: grayscale(0.45) contrast(0.95);
  margin-top: 32px;
  display: block;
}

/* Map placée en colonne latérale (plus petite, à côté des infos) */
.contact-block .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 900px) {
  .contact-block .contact-grid {
    grid-template-columns: 5fr 4fr;
    gap: 80px;
    align-items: start;
  }
}
.contact-block .contact-aside .map-embed { margin-top: 0; max-width: 480px; }

/* ----------- Photo strip / showcase home ----------- */
.photo-strip {
  padding: clamp(40px, 6vh, 80px) 0;
  background: var(--c-cream);
  border-bottom: 1px solid var(--c-line);
}
.photo-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 800px) {
  .photo-strip__grid { grid-template-columns: repeat(4, 1fr); gap: 16px; }
}
.photo-strip figure {
  position: relative;
  overflow: hidden;
  background: var(--c-stone);
}
.photo-strip img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(0.9);
  transition: transform 1.1s var(--ease-out);
}
.photo-strip figure:hover img { transform: scale(1.05); }
.photo-strip figcaption {
  position: absolute;
  left: 12px; bottom: 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-cream);
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

/* ----------- Footer credit ----------- */
.footer-credit {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.footer-credit a { color: var(--c-ink); }

/* ----------- Footer ----------- */
.site-footer {
  background: var(--c-cream);
  color: var(--c-ink);
  padding: 80px 0 40px;
  border-top: 1px solid var(--c-line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 800px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
.footer-grid h5 {
  font-family: var(--ff-sans);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-grid li { padding: 6px 0; font-size: 15px; }
.footer-bottom {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12px;
  color: var(--c-muted);
  letter-spacing: 0.06em;
}

/* =========================================================
   ÉTUDE DE CAS — Mas de la Calade
   ========================================================= */

/* Hero étude de cas */
.case-hero {
  position: relative;
  min-height: 100svh;
  color: var(--c-cream);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.case-hero__bg { position: absolute; inset: -10% 0; z-index: 0; }
.case-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.case-hero__bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(28,28,26,0.5) 0%, rgba(28,28,26,0.1) 30%, rgba(28,28,26,0.85) 100%);
}
.case-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-bottom: 64px;
  padding-top: calc(var(--header-h) + 32px);
}
.case-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin-bottom: 28px;
}
.case-hero h1 {
  font-family: var(--ff-serif);
  font-size: clamp(40px, 6.5vw, 96px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  max-width: 18ch;
  font-weight: 400;
}
.case-hero h1 .reveal-mask {
  display: block;
  overflow: hidden;
  padding-block: 0.08em;
}
.case-hero h1 .reveal-mask span { display: block; }
.case-hero h1 em { font-style: italic; color: var(--c-stone); font-weight: 300; }
.case-meta {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  border-top: 1px solid rgba(244,239,230,0.25);
  padding-top: 32px;
  max-width: 900px;
}
@media (min-width: 800px) { .case-meta { grid-template-columns: repeat(4, 1fr); } }
.case-meta dt {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin-bottom: 8px;
}
.case-meta dd {
  font-family: var(--ff-serif);
  font-size: 22px;
  line-height: 1.2;
}

/* Contexte */
.case-section { padding: clamp(80px, 11vh, 160px) 0; }
.case-section + .case-section { border-top: 1px solid var(--c-line); }
.case-narrative {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 900px) {
  .case-narrative { grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
}
.case-narrative h2 {
  font-size: clamp(36px, 4vw, 64px);
  line-height: 1.05;
  max-width: 14ch;
}
.case-narrative .body p { margin-bottom: 20px; max-width: 60ch; line-height: 1.75; color: var(--c-ink-soft); }
.case-narrative .body p:first-child::first-letter {
  font-family: var(--ff-serif);
  float: left;
  font-size: 4.6em;
  line-height: 0.92;
  padding: 6px 12px 0 0;
  color: var(--c-terre);
}

/* Diagnostic — diptyque image + texte */
.diptyque {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 900px) {
  .diptyque { grid-template-columns: 7fr 5fr; gap: 64px; }
  .diptyque.reverse { grid-template-columns: 5fr 7fr; }
}
.diptyque img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.diptyque h3 { font-size: clamp(28px, 3vw, 42px); margin-bottom: 20px; }

/* ÉTAPES — scroll horizontal pinné */
.phases {
  background: var(--c-ink);
  color: var(--c-cream);
  position: relative;
  overflow: hidden;
}
.phases__intro {
  padding: clamp(80px, 11vh, 140px) 0 clamp(40px, 6vh, 80px);
}
.phases__intro h2 {
  font-size: clamp(40px, 5vw, 72px);
  max-width: 16ch;
  color: var(--c-cream);
}
.phases__intro h2 em { color: var(--c-ocre); font-style: italic; font-weight: 300; }
.phases__intro p { color: var(--c-stone); max-width: 56ch; margin-top: 20px; }

.phases__track-wrap {
  position: relative;
  overflow: hidden;
}
.phases__track {
  display: flex;
  gap: clamp(24px, 3vw, 48px);
  padding: 0 var(--gutter) 100px;
  will-change: transform;
}
.phase-card {
  flex: 0 0 min(86vw, 540px);
  background: rgba(244,239,230,0.04);
  border: 1px solid rgba(244,239,230,0.12);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
}
.phase-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  margin-bottom: 28px;
  filter: saturate(0.85);
}
.phase-card .num {
  font-family: var(--ff-serif);
  font-size: 14px;
  font-style: italic;
  color: var(--c-ocre);
  margin-bottom: 12px;
}
.phase-card h3 {
  font-size: clamp(24px, 2.4vw, 32px);
  margin-bottom: 8px;
  color: var(--c-cream);
}
.phase-card .duration {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-stone);
  margin-bottom: 24px;
}
.phase-card p { color: var(--c-stone); font-size: 15px; line-height: 1.7; }

.phases__progress {
  position: absolute;
  bottom: 40px; left: var(--gutter); right: var(--gutter);
  height: 1px;
  background: rgba(244,239,230,0.12);
  z-index: 2;
}
.phases__progress span {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--c-ocre);
  transition: width .15s linear;
}

/* Défis */
.defis-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 900px) { .defis-list { grid-template-columns: repeat(3, 1fr); gap: 48px; } }
.defi {
  border-top: 1px solid var(--c-ink);
  padding-top: 24px;
}
.defi .num {
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--c-terre);
  margin-bottom: 16px;
  font-size: 14px;
}
.defi h3 { font-size: clamp(22px, 1.8vw, 28px); margin-bottom: 16px; line-height: 1.2; }
.defi p { color: var(--c-muted); line-height: 1.7; }

/* Matériaux */
.mats {
  background: var(--c-stone);
}
.mat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--c-ink);
}
@media (min-width: 800px) { .mat-grid { grid-template-columns: repeat(2, 1fr); } }
.mat {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--c-ink);
}
@media (min-width: 800px) {
  .mat:nth-child(odd) { border-right: 1px solid var(--c-ink); padding-right: 32px; }
  .mat:nth-child(even) { padding-left: 32px; }
}
.mat .n {
  font-family: var(--ff-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--c-terre);
}
.mat h4 { font-family: var(--ff-serif); font-size: clamp(22px, 1.8vw, 28px); }
.mat p { font-size: 14px; color: var(--c-ink-soft); margin-top: 6px; max-width: 40ch; }

/* Mot du client */
.client-quote {
  background: var(--c-cream);
  text-align: center;
  padding: clamp(80px, 12vh, 160px) 0;
}
.client-quote blockquote {
  font-family: var(--ff-serif);
  font-size: clamp(28px, 3.4vw, 48px);
  line-height: 1.3;
  font-weight: 400;
  letter-spacing: -0.01em;
  max-width: 22ch;
  margin: 0 auto;
  font-style: italic;
}
.client-quote blockquote::before { content: '« '; color: var(--c-terre); font-style: normal; }
.client-quote blockquote::after  { content: ' »'; color: var(--c-terre); font-style: normal; }
.client-quote cite {
  display: block;
  margin-top: 32px;
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-muted);
}

/* Galerie photos */
.galerie {
  background: var(--c-ink);
  color: var(--c-cream);
}
.galerie h2 { color: var(--c-cream); max-width: 18ch; margin-bottom: 64px; }
.galerie-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 700px) {
  .galerie-grid {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(180px, auto);
    gap: 24px;
  }
  .galerie-grid figure:nth-child(1)  { grid-column: 1 / span 8; grid-row: span 2; }
  .galerie-grid figure:nth-child(2)  { grid-column: 9 / span 4; }
  .galerie-grid figure:nth-child(3)  { grid-column: 9 / span 4; }
  .galerie-grid figure:nth-child(4)  { grid-column: 1 / span 4; }
  .galerie-grid figure:nth-child(5)  { grid-column: 5 / span 4; }
  .galerie-grid figure:nth-child(6)  { grid-column: 9 / span 4; }
  .galerie-grid figure:nth-child(7)  { grid-column: 1 / span 6; grid-row: span 2; }
  .galerie-grid figure:nth-child(8)  { grid-column: 7 / span 6; }
  .galerie-grid figure:nth-child(9)  { grid-column: 7 / span 6; }
  .galerie-grid figure:nth-child(10) { grid-column: 1 / span 4; }
  .galerie-grid figure:nth-child(11) { grid-column: 5 / span 8; grid-row: span 2; }
  .galerie-grid figure:nth-child(12) { grid-column: 1 / span 4; }
  .galerie-grid figure:nth-child(13) { grid-column: 1 / span 4; }
  .galerie-grid figure:nth-child(14) { grid-column: 5 / span 4; }
  .galerie-grid figure:nth-child(15) { grid-column: 9 / span 4; }
}
.galerie-grid figure {
  position: relative;
  overflow: hidden;
  background: var(--c-ink-soft);
}
.galerie-grid img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.85);
  transition: transform 1.2s var(--ease-out), filter .6s var(--ease-out);
}
.galerie-grid figure:hover img { transform: scale(1.05); filter: saturate(1); }
.galerie-grid figcaption {
  position: absolute;
  left: 14px; bottom: 12px; right: 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-cream);
  text-shadow: 0 1px 4px rgba(0,0,0,.6);
}

/* CTA fin étude de cas */
.case-cta {
  background: var(--c-cream);
  padding: clamp(80px, 11vh, 160px) 0;
  text-align: center;
}
.case-cta h2 {
  font-size: clamp(36px, 4.5vw, 64px);
  max-width: 18ch;
  margin: 0 auto 32px;
}

/* =========================================================
   PAGES INTÉRIEURES — atelier, savoir-faire, réalisations, avis, contact
   ========================================================= */

/* Hero pages intérieures */
.page-hero {
  position: relative;
  background: var(--c-cream);
  padding: calc(var(--header-h) + clamp(56px, 9vh, 120px)) 0 clamp(48px, 8vh, 100px);
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}
.page-hero .eyebrow { color: var(--c-terre); margin-bottom: 22px; }
.page-hero h1 {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: clamp(40px, 6.5vw, 92px);
  line-height: 1.0;
  letter-spacing: -0.02em;
  max-width: 18ch;
}
.page-hero h1 em { font-style: italic; color: var(--c-terre); font-weight: 300; }
.page-hero p.lead { margin-top: 32px; max-width: 60ch; color: var(--c-ink-soft); }

/* Équipe — page atelier */
.team {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 700px)  { .team { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .team { grid-template-columns: repeat(3, 1fr); } }
.team-member {
  border-top: 1px solid var(--c-ink);
  padding: 32px 0 0;
}
.team-member__monogram {
  width: 64px; height: 64px;
  border-radius: 999px;
  background: var(--c-ink);
  color: var(--c-cream);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--ff-serif);
  font-size: 22px;
  margin-bottom: 24px;
}
.team-member h3 { font-size: clamp(24px, 2vw, 30px); margin-bottom: 6px; }
.team-member .role {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-terre);
  margin-bottom: 16px;
}
.team-member p { color: var(--c-muted); line-height: 1.7; }

/* Spécialités — page savoir-faire */
.specialite {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: clamp(56px, 8vh, 96px) 0;
  border-top: 1px solid var(--c-line);
  align-items: center;
}
@media (min-width: 900px) {
  .specialite { grid-template-columns: 1fr 1fr; gap: 80px; }
  .specialite.reverse > figure { order: 2; }
}
.specialite figure {
  overflow: hidden;
  background: var(--c-stone);
}
.specialite img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: saturate(0.9);
  transition: transform 1.2s var(--ease-out);
}
.specialite:hover img { transform: scale(1.03); }
.specialite__num {
  font-family: var(--ff-serif);
  font-style: italic;
  color: var(--c-terre);
  font-size: 14px;
  margin-bottom: 16px;
}
.specialite h2 {
  font-family: var(--ff-serif);
  font-weight: 400;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}
.specialite__details {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 28px;
}
.specialite__details dt {
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 6px;
}
.specialite__details dd { color: var(--c-ink-soft); line-height: 1.65; }

/* Filtres + Grille réalisations */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: clamp(32px, 5vh, 56px) 0;
}
.filter-btn {
  padding: 11px 22px;
  font-family: var(--ff-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid var(--c-ink);
  background: transparent;
  color: var(--c-ink);
  border-radius: 999px;
  transition: background .35s var(--ease-out), color .35s var(--ease-out);
}
.filter-btn:hover { background: var(--c-stone); }
.filter-btn.is-active { background: var(--c-ink); color: var(--c-cream); }

.real-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 600px)  { .real-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .real-grid { grid-template-columns: 1fr 1fr 1fr; gap: 56px 40px; } }
.real-card { transition: opacity .35s var(--ease-out); }
.real-card.is-hidden { display: none; }
.real-card figure {
  overflow: hidden;
  margin-bottom: 18px;
  background: var(--c-stone);
  position: relative;
}
.real-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  filter: saturate(0.9);
  transition: transform 1.1s var(--ease-out);
}
.real-card:hover img { transform: scale(1.04); }
.real-card .meta {
  display: flex; justify-content: space-between;
  font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--c-muted);
}
.real-card h3 {
  margin-top: 6px;
  font-size: clamp(20px, 1.6vw, 24px);
  line-height: 1.25;
}
.real-card .tags {
  margin-top: 10px;
  font-size: 13px;
  color: var(--c-terre);
  font-style: italic;
  font-family: var(--ff-serif);
}
.real-card .badge-feature {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--c-ink);
  color: var(--c-ocre);
  font-family: var(--ff-sans);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 6px 10px;
  z-index: 2;
}

/* Témoignages détaillés — page avis */
.avis-list { padding-top: clamp(24px, 4vh, 56px); }
.avis {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  padding: clamp(56px, 8vh, 96px) 0;
  border-top: 1px solid var(--c-line);
  align-items: start;
}
@media (min-width: 900px) {
  .avis { grid-template-columns: 4fr 8fr; gap: 80px; }
  .avis.no-photo { grid-template-columns: 2fr 10fr; }
}
.avis figure { overflow: hidden; background: var(--c-stone); margin: 0; }
.avis figure img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  filter: saturate(0.9);
}
.avis__star {
  font-family: var(--ff-serif);
  font-size: 32px;
  color: var(--c-ocre);
  line-height: 1;
}
.avis blockquote {
  font-family: var(--ff-serif);
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.4;
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.005em;
  margin: 0 0 32px;
  max-width: 64ch;
  color: var(--c-ink);
}
.avis blockquote::before { content: '« '; color: var(--c-terre); font-style: normal; }
.avis blockquote::after  { content: ' »'; color: var(--c-terre); font-style: normal; }
.avis cite {
  display: block;
  font-style: normal;
  font-family: var(--ff-sans);
  font-weight: 500;
  font-size: 17px;
  margin-bottom: 4px;
  color: var(--c-ink);
}
.avis .lieu {
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.avis__details {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 48px;
}
@media (min-width: 600px) { .avis__details { grid-template-columns: repeat(3, 1fr); } }
.avis__details dt {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 4px;
}
.avis__details dd { color: var(--c-ink); font-size: 14px; line-height: 1.45; }

/* Formulaire — page contact */
.form { display: grid; gap: 24px; max-width: 640px; }
.form .form-row { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 600px) { .form .form-row { grid-template-columns: 1fr 1fr; } }
.form label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 10px;
  font-weight: 500;
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--c-cream);
  border: 1px solid var(--c-ink);
  border-radius: 0;
  font-family: var(--ff-sans);
  font-size: 16px;
  color: var(--c-ink);
  transition: border-color .3s var(--ease-out), background .3s var(--ease-out);
}
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--c-terre);
}
.form textarea { min-height: 180px; resize: vertical; }
.form .checkbox {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--c-muted);
  line-height: 1.5;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  margin-bottom: 0;
}
.form .checkbox input[type="checkbox"] {
  width: 18px; height: 18px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--c-ink);
}
.form-callback {
  background: var(--c-stone);
  padding: 18px 22px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--c-ink);
}
.form-callback strong { font-family: var(--ff-serif); font-style: italic; font-weight: 500; }

/* Layout page contact */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 64px;
  padding: clamp(48px, 7vh, 80px) 0;
}
@media (min-width: 900px) {
  .contact-layout { grid-template-columns: 7fr 5fr; gap: 80px; align-items: start; }
}
.contact-info-card {
  border-top: 1px solid var(--c-line);
  padding-top: 24px;
  margin-bottom: 32px;
}
.contact-info-card h4 {
  font-family: var(--ff-sans);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 14px;
  font-weight: 500;
}
.contact-info-card p { color: var(--c-ink-soft); line-height: 1.75; }
.contact-info-card a { color: var(--c-ink); }
.contact-map .map-embed {
  margin-top: 0;
  max-width: 100%;
  aspect-ratio: 4/3;
  width: 100%;
}

/* ----------- Utilities ----------- */
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

/* ----------- Reduced motion ----------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, .reveal-stagger > *, .hero__title .reveal-mask span { opacity: 1 !important; transform: none !important; }
}