/* ==========================================================================
   Alsace Couverture — feuille de styles
   Direction artistique : ardoise, zinc, rouge tuile, blanc de chaux.
   Motif : la pente du toit et la ligne de faîtage.
   Conception : VD Studio — https://vd-studio.fr
   ========================================================================== */

/* 1. Police (Archivo variable, auto-hébergée, sous-ensemble latin)
   ========================================================================== */
@font-face {
  font-family: "Archivo";
  src: url("../fonts/archivo-var.woff2") format("woff2-variations"),
       url("../fonts/archivo-var.woff2") format("woff2");
  font-weight: 400 800;
  font-stretch: 68% 100%;
  font-style: normal;
  font-display: swap;
}

/* 2. Tokens
   ========================================================================== */
:root {
  /* Palette */
  --ardoise: #1d2830;
  --ardoise-2: #26343d;
  --ardoise-3: #384852;
  --zinc: #8e9aa1;
  --zinc-clair: #cfd6da;
  --brume: #e6eaeb;
  --chaux: #f4f5f3;
  --blanc: #ffffff;
  --tuile: #a8382a;
  --tuile-fonce: #8a2b1f;
  --tuile-vif: #e07a62;
  --bois: #b8946a;

  --texte: var(--ardoise);
  --texte-2: #4e5b63;
  --texte-inverse: #eef1f2;
  --texte-inverse-2: #a9b4ba;
  --succes: #2f6b4f;

  /* Typographie */
  --font-body: "Archivo", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-display: "Archivo", "Arial Narrow", "Roboto Condensed", "Helvetica Neue", Arial, sans-serif;
  --fs-xs: 0.8125rem;
  --fs-s: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-lead: clamp(1.125rem, 1.02rem + 0.45vw, 1.3125rem);
  --fs-h4: 1.1875rem;
  --fs-h3: clamp(1.375rem, 1.18rem + 0.8vw, 1.75rem);
  --fs-h2: clamp(2.125rem, 1.45rem + 2.9vw, 3.5rem);
  --fs-h1: clamp(2.5rem, 1.55rem + 4.2vw, 5rem);
  --fs-display: clamp(2.875rem, 1.7rem + 5.2vw, 6rem);
  --lh-tight: 0.95;
  --lh-snug: 1.12;
  --lh-body: 1.62;
  --wdth-display: 70%;
  --wdth-title: 76%;
  --wdth-label: 88%;

  /* Espacements */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6.5rem;
  --section: clamp(4.5rem, 3rem + 6vw, 8rem);
  --gutter: clamp(1.25rem, 0.8rem + 2.2vw, 3rem);
  --container: 76rem;
  --measure: 38rem;

  /* Formes */
  --radius: 2px;
  --pente: clamp(2.5rem, 1.2rem + 5vw, 6rem);
  --trait: 1px solid var(--zinc-clair);
  --trait-sombre: 1px solid var(--ardoise-3);
  --ombre: 0 1px 0 rgba(29, 40, 48, 0.06), 0 18px 40px -24px rgba(29, 40, 48, 0.45);

  /* Mouvement */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 0.35s;

  /* Divers */
  --header-h: 4.25rem;
  --bar-h: 3.75rem;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* 3. Base
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-body);
  font-weight: 400;
  font-stretch: 100%;
  color: var(--texte);
  background: var(--chaux);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg,
video { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
ul[class], ol[class],
nav ul, nav ol,
.site-footer ul { list-style: none; padding: 0; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--tuile); }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

address { font-style: normal; }

:focus-visible {
  outline: 2px solid var(--tuile);
  outline-offset: 3px;
  border-radius: var(--radius);
}
.section-dark :focus-visible,
.site-footer :focus-visible,
.cta-band :focus-visible { outline-color: var(--tuile-vif); }

::selection { background: var(--tuile); color: var(--blanc); }

strong { font-weight: 650; }

/* 4. Typographie & utilitaires
   ========================================================================== */
h1, h2, h3, h4,
.display {
  font-family: var(--font-display);
  font-weight: 720;
  letter-spacing: -0.005em;
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); font-stretch: var(--wdth-display); }
h2 { font-size: var(--fs-h2); line-height: 1; font-stretch: var(--wdth-display); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); font-stretch: var(--wdth-title); font-weight: 680; }
h4 { font-size: var(--fs-h4); line-height: 1.25; font-stretch: var(--wdth-label); font-weight: 650; }

p { text-wrap: pretty; }
.lead { font-size: var(--fs-lead); line-height: 1.55; color: var(--texte-2); max-width: var(--measure); }
.section-dark .lead,
.cta-band .lead { color: var(--texte-inverse-2); }

.prose > * + * { margin-top: 1em; }
.prose { max-width: var(--measure); }
.prose ul { padding-left: 1.2em; }
.prose li + li { margin-top: 0.35em; }
.prose li::marker { color: var(--tuile); }

.small { font-size: var(--fs-s); }
.muted { color: var(--texte-2); }

.container {
  width: 100%;
  max-width: calc(var(--container) + 2 * var(--gutter));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  z-index: 200;
  padding: 0.75rem 1.1rem;
  background: var(--ardoise);
  color: var(--blanc);
  font-weight: 650;
  text-decoration: none;
}
.skip-link:focus { top: 0.75rem; color: var(--blanc); }

/* Étiquette de rubrique : discrète, en casse normale */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 650;
  font-size: var(--fs-s);
  color: var(--tuile);
}
.kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: currentColor;
  transform: skewY(-24deg);
}
.section-dark .kicker,
.cta-band .kicker { color: var(--tuile-vif); }

/* Marqueur d'information à valider (pages légales uniquement) */
.a-valider {
  padding: 0.05em 0.35em;
  border: 1px dashed var(--tuile);
  background: #fbeeea;
  color: var(--tuile-fonce);
  font-weight: 600;
}

/* 5. Boutons & liens
   ========================================================================== */
.btn {
  --btn-bg: var(--ardoise);
  --btn-fg: var(--blanc);
  --cut: 12px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3.25rem;
  padding: 0.8rem 1.6rem;
  border: 0;
  border-radius: 0;
  /* Coin supérieur droit coupé en pente : le rappel du toit */
  background: linear-gradient(225deg, transparent var(--cut), var(--btn-bg) calc(var(--cut) + 0.5px));
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  font-size: 1.0625rem;
  line-height: 1.15;
  text-decoration: none;
  text-align: center;
  transition: background-position var(--dur) var(--ease), transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.btn:hover { color: var(--btn-fg); transform: translateY(-2px); filter: brightness(1.08); }
.btn:active { transform: translateY(0); }

.btn-primary { --btn-bg: var(--tuile); }
.btn-primary:hover { filter: none; --btn-bg: var(--tuile-fonce); }

.btn-ghost {
  background: transparent;
  color: var(--texte);
  box-shadow: inset 0 0 0 1.5px currentColor;
  border-radius: var(--radius);
}
.btn-ghost:hover { color: var(--tuile); filter: none; }
.section-dark .btn-ghost,
.cta-band .btn-ghost { color: var(--texte-inverse); }
.section-dark .btn-ghost:hover,
.cta-band .btn-ghost:hover { color: var(--tuile-vif); }

.btn-sm { white-space: nowrap; min-height: 2.75rem; padding: 0.55rem 1.1rem; font-size: 1rem; --cut: 9px; }

.btn .icon { width: 1.15em; height: 1.15em; flex: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-s); align-items: center; }

.link-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  text-decoration: none;
  color: var(--tuile);
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1.5px no-repeat;
  padding-bottom: 0.15em;
  transition: background-size var(--dur) var(--ease), color var(--dur);
}
.link-line:hover { color: var(--tuile-fonce); background-size: 40% 1.5px; }
.section-dark .link-line { color: var(--tuile-vif); }
.section-dark .link-line:hover { color: var(--blanc); }

.icon { width: 1.25rem; height: 1.25rem; flex: none; }

/* 6. En-tête
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 245, 243, 0.92);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur), box-shadow var(--dur), background-color var(--dur);
}
.is-scrolled .site-header {
  border-bottom-color: var(--zinc-clair);
  box-shadow: 0 10px 30px -24px rgba(29, 40, 48, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  height: var(--header-h);
  transition: height var(--dur) var(--ease);
}
.is-scrolled .header-inner { height: calc(var(--header-h) - 0.5rem); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--ardoise);
  margin-right: auto;
  min-width: 0;
}
.brand:hover { color: var(--ardoise); }
.brand-mark { width: 2.5rem; height: 2.5rem; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; min-width: 0; }
.brand-name {
  font-family: var(--font-display);
  font-stretch: 72%;
  font-weight: 780;
  font-size: 1.375rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand-sub {
  margin-top: 0.3rem;
  font-size: 0.8125rem;
  font-stretch: 90%;
  color: var(--texte-2);
  white-space: nowrap;
}

.main-nav { display: none; }
.main-nav ul { display: flex; gap: 0.25rem; }
.main-nav a {
  position: relative;
  display: block;
  padding: 0.6rem 0.7rem;
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 620;
  font-size: 1rem;
  text-decoration: none;
  color: var(--texte);
  white-space: nowrap;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.35rem;
  height: 2px;
  background: var(--tuile);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a:hover { color: var(--texte); }

.header-actions { display: flex; align-items: center; gap: var(--space-xs); }
.header-actions .btn { display: none; }

.header-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-stretch: 80%;
  font-weight: 720;
  font-size: 1.125rem;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ardoise);
  box-shadow: inset 0 0 0 1.5px var(--zinc-clair);
}
.header-phone .icon { color: var(--tuile); }
.header-phone-num { display: none; }
.header-phone:hover { color: var(--tuile); box-shadow: inset 0 0 0 1.5px var(--tuile); }

.nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: var(--radius);
  background: var(--ardoise);
  color: var(--blanc);
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur);
}
.nav-toggle-bars { position: relative; }
.nav-toggle-bars::before,
.nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -6px; }
.nav-toggle-bars::after { top: 6px; width: 0.85rem; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { width: 1.25rem; transform: translateY(-6px) rotate(-45deg); }

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: calc(var(--header-h) - 0.5rem) 0 auto 0;
  z-index: 90;
  max-height: calc(100dvh - var(--header-h) + 0.5rem);
  overflow-y: auto;
  padding: var(--space-l) var(--gutter) calc(var(--space-2xl) + var(--safe-bottom));
  background: var(--ardoise);
  color: var(--texte-inverse);
  /* Bord inférieur en pente */
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5rem), 0 100%);
  transform: translateY(-1.5rem);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), visibility 0s linear var(--dur);
}
.mobile-menu.is-open {
  transform: none;
  opacity: 1;
  visibility: visible;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), visibility 0s;
}
.mobile-menu ul { display: grid; gap: 0.1rem; }
.mobile-menu a:not(.btn) {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: var(--trait-sombre);
  font-family: var(--font-display);
  font-stretch: 72%;
  font-weight: 720;
  font-size: clamp(1.75rem, 1.3rem + 2vw, 2.25rem);
  line-height: 1.05;
  text-decoration: none;
  color: var(--texte-inverse);
}
.mobile-menu a:not(.btn):hover,
.mobile-menu a[aria-current="page"] { color: var(--tuile-vif); }
.mobile-menu-foot { display: grid; gap: var(--space-s); margin-top: var(--space-l); }
.mobile-menu-foot .btn { width: 100%; }
.mobile-menu .btn-ghost { color: var(--texte-inverse); }
.mobile-menu .btn-ghost:hover { color: var(--tuile-vif); }
.mobile-menu-foot p { color: var(--texte-inverse-2); font-size: var(--fs-s); }
.menu-open { overflow: hidden; }

/* 7. Hero (accueil)
   ========================================================================== */
.hero {
  position: relative;
  padding-bottom: var(--space-xl);
  overflow: hidden;
}
.hero-grid { display: grid; gap: var(--space-l); }

.hero-media {
  position: relative;
  margin-inline: calc(var(--gutter) * -1);
  margin-top: var(--space-s);
}
.hero-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-height: 28rem;
  background: var(--ardoise-2);
  /* Pignon : le cadre photo reprend la silhouette d'un toit alsacien */
  clip-path: polygon(0 32%, 50% 0, 100% 32%, 100% 100%, 0 100%);
}
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-ridge {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: translateY(-14px);
  pointer-events: none;
}
.hero-ridge path {
  fill: none;
  stroke: var(--tuile);
  stroke-width: 2.5;
  stroke-linejoin: miter;
  vector-effect: non-scaling-stroke;
}
.hero-ridge { clip-path: inset(-50% -20% -50% -20%); }

.hero-copy { position: relative; }
.hero-kicker {
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 700;
  font-size: clamp(1.0625rem, 0.95rem + 0.5vw, 1.3125rem);
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--tuile);
  text-wrap: balance;
}
.hero-title {
  margin-top: var(--space-xs);
  font-size: var(--fs-display);
  line-height: 0.92;
  font-stretch: 68%;
  font-weight: 760;
  letter-spacing: -0.01em;
  text-wrap: balance;
  max-width: 11ch;
}
.hero .lead { margin-top: var(--space-m); color: var(--texte-2); }
.hero .btn-row { margin-top: var(--space-l); }

/* Bandeau de faits */
.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: var(--space-xl);
  border-top: 1.5px solid var(--ardoise);
}
.fact {
  padding: var(--space-s) var(--space-s) var(--space-s) 0;
  border-bottom: var(--trait);
}
.fact:nth-child(odd) { padding-right: var(--space-s); border-right: var(--trait); }
.fact:nth-child(even) { padding-left: var(--space-s); }
.fact dt {
  font-family: var(--font-display);
  font-stretch: 78%;
  font-weight: 720;
  font-size: 1.1875rem;
  line-height: 1.15;
}
.fact dd { margin-top: 0.3rem; font-size: var(--fs-xs); line-height: 1.4; color: var(--texte-2); }
.fact a { color: inherit; }

/* 8. Sections
   ========================================================================== */
.section { position: relative; padding-block: var(--section); }
.section-tight { padding-block: calc(var(--section) * 0.7); }
.section-brume { background: var(--brume); }
.section-white { background: var(--blanc); }
.section-dark { background: var(--ardoise); color: var(--texte-inverse); }
.section-dark a:not(.btn):hover { color: var(--tuile-vif); }

/* Bord supérieur en pente : triangle de la couleur précédente */
.slope-top { --prev: var(--chaux); padding-top: calc(var(--section) + var(--pente) * 0.6); }
.slope-top::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto 0;
  height: var(--pente);
  background: var(--prev);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  pointer-events: none;
}
.slope-top.from-brume { --prev: var(--brume); }
.slope-top.from-white { --prev: var(--blanc); }
.slope-top.from-dark { --prev: var(--ardoise); }

.section-head { display: grid; gap: var(--space-s); margin-bottom: var(--space-xl); }
.section-head h2 { max-width: 16ch; }
.section-head .lead { margin-top: var(--space-2xs); }

/* 9. Coupe de toiture interactive (composant signature)
   ========================================================================== */
.roof { display: grid; gap: var(--space-xl); align-items: start; }

.roof-figure { position: relative; }
.roof-svg { width: 100%; height: auto; overflow: visible; }
.roof-caption { margin-top: var(--space-xs); font-size: var(--fs-xs); color: var(--texte-inverse-2); }

/* Dessin */
.rd-ground { stroke: var(--zinc); stroke-width: 1.2; }
.rd-wall { fill: var(--ardoise-2); stroke: var(--zinc-clair); stroke-width: 1.3; stroke-linejoin: round; }
.rd-wall-side { fill: #22303a; stroke: var(--zinc-clair); stroke-width: 1.3; stroke-linejoin: round; }
.rd-detail { fill: none; stroke: var(--zinc); stroke-width: 1.1; }
.rd-window { fill: #1a242b; stroke: var(--zinc); stroke-width: 1.1; }
.rd-pan-base { fill: #2c3b45; }
.rd-tiles { fill: url(#p-tuiles); color: #6d7b83; }
.rd-edge { fill: none; stroke: var(--zinc-clair); stroke-width: 1.3; stroke-linejoin: round; }
.rd-membrane { fill: #58707d; }
.rd-bois { fill: none; stroke: var(--bois); stroke-linecap: butt; }
.rd-joint { fill: none; stroke: var(--ardoise); }

.roof-part { cursor: pointer; transition: opacity var(--dur) var(--ease); }
.roof-part .hl-stroke { fill: none; stroke: var(--zinc-clair); transition: stroke var(--dur) var(--ease); }
.roof-part .hl-fill { fill: var(--zinc); transition: fill var(--dur) var(--ease); }
.roof-part .hl-soft { fill: transparent; transition: fill var(--dur) var(--ease); }

.roof.has-active .roof-part .rd-pin { opacity: 0.6; transition: opacity var(--dur); }
.roof.has-active .roof-part.is-active .rd-pin,
.roof-part:hover .rd-pin { opacity: 1; }
.roof-part.is-active .hl-stroke { stroke: var(--tuile-vif); }
.roof-part.is-active .hl-fill { fill: var(--tuile-vif); }
.roof-part.is-active .hl-soft { fill: rgba(224, 122, 98, 0.28); }
.roof-part:hover .hl-stroke { stroke: var(--tuile-vif); }

.rd-pin circle { fill: var(--chaux); stroke: var(--ardoise); stroke-width: 2; transition: fill var(--dur); }
.rd-pin text {
  fill: var(--ardoise);
  font-family: var(--font-display);
  font-stretch: 80%;
  font-weight: 760;
  font-size: 15px;
  text-anchor: middle;
  dominant-baseline: central;
}
.roof-part.is-active .rd-pin circle { fill: var(--tuile); stroke: var(--chaux); }
.roof-part.is-active .rd-pin text { fill: var(--blanc); }

/* Tracé progressif à la première apparition */
.js .roof-svg .draw { stroke-dasharray: 1; stroke-dashoffset: 0; }
.js .roof.is-armed .roof-svg .draw { stroke-dashoffset: 1; }
.js .roof.is-in .roof-svg .draw { stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s var(--ease); }

/* Légende / onglets */
.roof-keys { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.4rem; }
.roof-key {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 3rem;
  padding: 0.5rem 0.75rem 0.5rem 0.5rem;
  border: 1px solid var(--ardoise-3);
  border-radius: var(--radius);
  background: transparent;
  color: var(--texte-inverse);
  text-align: left;
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 620;
  font-size: 0.9875rem;
  line-height: 1.15;
  transition: background-color var(--dur), border-color var(--dur), color var(--dur);
}
.roof-key-num {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--chaux);
  color: var(--ardoise);
  font-stretch: 80%;
  font-weight: 760;
  font-size: 0.9375rem;
}
.roof-key:hover { border-color: var(--zinc); }
.roof-key[aria-selected="true"] { background: var(--ardoise-2); border-color: var(--tuile-vif); color: var(--blanc); }
.roof-key[aria-selected="true"] .roof-key-num { background: var(--tuile); color: var(--blanc); }

.roof-panels { margin-top: var(--space-m); }
.roof-panel {
  padding: var(--space-m) 0 0;
  border-top: 2px solid var(--tuile-vif);
}
.roof-panel + .roof-panel { margin-top: var(--space-l); }
.js .roof-panel + .roof-panel { margin-top: 0; }
.roof-panel h3 { color: var(--blanc); }
.roof-panel-role { margin-top: var(--space-2xs); color: var(--texte-inverse-2); }
.roof-panel dl { display: grid; gap: var(--space-s); margin-top: var(--space-m); }
.roof-panel dt {
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  font-size: var(--fs-s);
  color: var(--tuile-vif);
}
.roof-panel dd { margin-top: 0.2rem; color: var(--texte-inverse); font-size: var(--fs-s); line-height: 1.55; }
.roof-panel .link-line { margin-top: var(--space-m); }
.no-js .roof-keys { display: none; }
.js .roof-panel[hidden] { display: none; }
.js .roof-panel { animation: panel-in 0.4s var(--ease); }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* 10. Savoir-faire (lignes éditoriales)
   ========================================================================== */
.trades { border-top: 1.5px solid var(--ardoise); isolation: isolate; }
.trade {
  position: relative;
  display: grid;
  gap: var(--space-s);
  padding: var(--space-l) 0;
  border-bottom: var(--trait);
}
.trade::before {
  content: "";
  position: absolute;
  inset: 0 calc(var(--space-s) * -1);
  z-index: -1;
  background: var(--blanc);
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.trade-title { font-size: clamp(1.875rem, 1.4rem + 2vw, 2.75rem); font-stretch: 70%; line-height: 1; }
.trade-title a { text-decoration: none; color: inherit; }
.trade-title a::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.trade-title a:hover { color: inherit; }
.trade-title a:focus-visible { outline: none; }
.trade:has(a:focus-visible) { outline: 2px solid var(--tuile); outline-offset: 4px; }
.trade-text { color: var(--texte-2); max-width: 34rem; }
.trade-list { display: flex; flex-wrap: wrap; gap: 0.35rem 0.5rem; margin-top: var(--space-s); }
.trade-list li {
  padding: 0.2rem 0.6rem;
  border: var(--trait);
  border-radius: var(--radius);
  font-size: var(--fs-xs);
  font-stretch: 92%;
  color: var(--texte);
  background: var(--blanc);
}
.trade-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-s);
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  color: var(--tuile);
}
.trade-more .icon { transition: transform var(--dur) var(--ease); }
.trade-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--brume);
  clip-path: polygon(0 22%, 100% 0, 100% 100%, 0 100%);
}
.trade-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}
.trade:hover .trade-media img { transform: scale(1.05); }
.trade:hover .trade-more .icon { transform: translateX(4px); }
.trade:hover .trade-title { color: var(--tuile); }

/* 11. Artisan : cartouche & avis
   ========================================================================== */
.artisan { display: grid; gap: var(--space-xl); align-items: start; }

/* Cartouche : inspiré du cartouche d'un plan d'architecte */
.cartouche {
  border: 1.5px solid var(--ardoise);
  background: var(--blanc);
  font-size: var(--fs-s);
}
.cartouche-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  padding: var(--space-s) var(--space-m);
  background: var(--ardoise);
  color: var(--texte-inverse);
}
.cartouche-head strong {
  font-family: var(--font-display);
  font-stretch: 72%;
  font-weight: 760;
  font-size: 1.375rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.cartouche-head svg { width: 2rem; height: 2rem; flex: none; }
.cartouche dl { display: grid; grid-template-columns: 1fr; }
.cartouche-row { padding: 0.8rem var(--space-m); border-top: 1px solid var(--zinc-clair); }
.cartouche dt { font-size: var(--fs-xs); color: var(--texte-2); }
.cartouche dd { margin-top: 0.15rem; font-weight: 600; line-height: 1.4; }
.cartouche dd a { color: inherit; }
.cartouche-note { padding: 0.7rem var(--space-m); border-top: 1px solid var(--zinc-clair); font-size: var(--fs-xs); color: var(--texte-2); }

.review {
  margin-top: var(--space-xl);
  padding-top: var(--space-m);
  border-top: 1.5px solid var(--ardoise);
}
.review-score {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 0.75rem;
}
.review-score strong {
  font-family: var(--font-display);
  font-stretch: 72%;
  font-weight: 760;
  font-size: 2.25rem;
  line-height: 1;
}
.review-score span { color: var(--texte-2); font-size: var(--fs-s); }
.review blockquote {
  margin-top: var(--space-s);
  font-family: var(--font-display);
  font-stretch: 80%;
  font-weight: 560;
  font-size: var(--fs-h3);
  line-height: 1.25;
}
.review figcaption { margin-top: 0.4rem; font-size: var(--fs-s); color: var(--texte-2); }
.review .link-line { margin-top: var(--space-s); font-size: var(--fs-s); }

/* 12. Zone d'intervention
   ========================================================================== */
.zone { display: grid; gap: var(--space-xl); align-items: center; }
.communes {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
  column-gap: var(--space-m);
  margin-top: var(--space-l);
  border-bottom: 1px solid var(--zinc-clair);
}
.communes li {
  padding: 0.55rem 0;
  border-top: 1px solid var(--zinc-clair);
  font-family: var(--font-display);
  font-stretch: 74%;
  font-weight: 650;
  font-size: clamp(1.1875rem, 1rem + 0.6vw, 1.4375rem);
  line-height: 1.2;
}
.communes .is-base { grid-column: 1 / -1; color: var(--tuile); border-top: 1.5px solid var(--ardoise); }
.communes .is-base small {
  font-size: 0.6em;
  font-stretch: 90%;
  font-weight: 600;
  color: var(--texte-2);
  vertical-align: 0.25em;
  margin-left: 0.3em;
}
.zone-note { margin-top: var(--space-m); font-size: var(--fs-s); color: var(--texte-2); max-width: var(--measure); }
.zone-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--zinc-clair);
  clip-path: polygon(0 16%, 100% 0, 100% 100%, 0 100%);
}
.zone-media img { width: 100%; height: 100%; object-fit: cover; }
.media-caption { margin-top: var(--space-2xs); font-size: var(--fs-xs); color: var(--texte-2); }

/* 13. Bandeau d'appel
   ========================================================================== */
.cta-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--section) + var(--pente) * 0.5) var(--section);
  background: var(--ardoise);
  color: var(--texte-inverse);
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: -1px 0 auto 0;
  z-index: 2;
  height: var(--pente);
  background: var(--prev, var(--chaux));
  clip-path: polygon(0 0, 100% 0, 0 100%);
}
.cta-band.from-brume { --prev: var(--brume); }
.cta-band.from-white { --prev: var(--blanc); }
.cta-bg { position: absolute; inset: 0; z-index: -1; }
.cta-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.28; }
.cta-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, var(--ardoise) 25%, rgba(29, 40, 48, 0.72) 70%, rgba(29, 40, 48, 0.5));
}
.cta-inner { display: grid; gap: var(--space-l); align-items: end; }
.cta-inner h2 { max-width: 15ch; }
.cta-inner .lead { margin-top: var(--space-s); }
.cta-phone {
  display: inline-block;
  font-family: var(--font-display);
  font-stretch: 70%;
  font-weight: 780;
  font-size: clamp(2.5rem, 1.6rem + 3.8vw, 4.5rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--blanc);
  text-decoration: none;
  white-space: nowrap;
}
.cta-phone:hover { color: var(--tuile-vif); }
.cta-actions { display: grid; gap: var(--space-s); justify-items: start; }
.cta-actions p { color: var(--texte-inverse-2); font-size: var(--fs-s); }

/* 14. En-tête des pages intérieures
   ========================================================================== */
.page-hero { padding-block: var(--space-m) var(--space-xl); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.3rem; font-size: var(--fs-xs); color: var(--texte-2); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.3rem; color: var(--zinc); }
.breadcrumb a { color: inherit; }
.breadcrumb [aria-current] { color: var(--texte); font-weight: 600; }

.page-hero-grid { display: grid; gap: var(--space-l); margin-top: var(--space-l); align-items: end; }
.page-hero h1 { max-width: 14ch; }
.page-hero .lead { margin-top: var(--space-m); }
.page-hero .btn-row { margin-top: var(--space-l); }
.page-hero-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--brume);
  margin-inline: calc(var(--gutter) * -1);
  /* Pan de toit : découpe en pente sur le bord gauche */
  clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
}
.page-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.page-hero-compact .page-hero-grid { grid-template-columns: 1fr; }
.page-hero-compact h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 4rem); max-width: 20ch; }

/* 15. Composants de contenu
   ========================================================================== */
.split { display: grid; gap: var(--space-xl); align-items: start; }
.split-head h2 { max-width: 14ch; }
.split-head .lead { margin-top: var(--space-s); }

/* Liste de signes / points structurés */
.points { display: grid; gap: 0; border-top: 1.5px solid currentColor; }
.point {
  display: grid;
  gap: 0.35rem;
  padding: var(--space-m) 0;
  border-bottom: var(--trait);
}
.section-dark .point { border-bottom: var(--trait-sombre); }
.point { scroll-margin-top: calc(var(--header-h) + 1.5rem); }
.point h3 { font-size: var(--fs-h4); font-stretch: var(--wdth-label); font-weight: 680; }
.point p { color: var(--texte-2); font-size: var(--fs-s); max-width: 36rem; }
.section-dark .point p { color: var(--texte-inverse-2); }

/* Comparaison réparation / réfection */
.compare { display: grid; gap: var(--space-l); }
.compare-col { padding-top: var(--space-m); border-top: 4px solid var(--ardoise); }
.compare-col.is-alt { border-top-color: var(--tuile); }
.compare-col h3 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.375rem); font-stretch: 72%; line-height: 1; }
.compare-col dl { display: grid; gap: var(--space-m); margin-top: var(--space-m); }
.compare-col dt {
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  font-size: var(--fs-s);
  color: var(--tuile);
}
.compare-col dd { margin-top: 0.3rem; color: var(--texte-2); }
.compare-col ul { padding-left: 1.1em; }
.compare-col li::marker { color: var(--tuile); }

/* Types de tuiles */
.tiles { display: grid; gap: var(--space-l); margin-top: var(--space-xl); }
.tile-type { display: grid; grid-template-columns: 4.5rem 1fr; gap: var(--space-s); align-items: start; }
.tile-type svg { width: 4.5rem; height: 4.5rem; color: var(--tuile); }
.tile-type h3 { font-size: var(--fs-h4); }
.tile-type p { margin-top: 0.3rem; font-size: var(--fs-s); color: var(--texte-2); }

.figure-side { position: relative; }
.figure-side .media {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--brume);
  clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 100%);
}
.figure-side img { width: 100%; height: 100%; object-fit: cover; }

/* Chaîne d'usure : les étapes descendent la pente */
.wear { position: relative; margin-top: var(--space-xl); }
.wear ol { display: grid; gap: var(--space-m); counter-reset: wear; list-style: none; padding: 0; }
.wear li {
  position: relative;
  counter-increment: wear;
  padding-left: 3.25rem;
}
.wear li::before {
  content: counter(wear);
  position: absolute;
  left: 0;
  top: -0.1rem;
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--chaux);
  color: var(--ardoise);
  font-family: var(--font-display);
  font-stretch: 80%;
  font-weight: 760;
}
.wear li:last-child::before { background: var(--tuile); color: var(--blanc); }
.wear h3 { font-size: var(--fs-h4); color: var(--blanc); }
.wear p { margin-top: 0.25rem; font-size: var(--fs-s); color: var(--texte-inverse-2); }
.wear-line { display: none; }
.wear-remedy {
  margin-top: var(--space-xl);
  padding: var(--space-m);
  border: 1px solid var(--ardoise-3);
  border-left: 4px solid var(--tuile-vif);
  max-width: 46rem;
}
.wear-remedy h3 { font-size: var(--fs-h4); color: var(--blanc); }
.wear-remedy p { margin-top: 0.4rem; color: var(--texte-inverse-2); font-size: var(--fs-s); }

/* Interventions (étapes réelles) */
.steps { display: grid; gap: 0; counter-reset: step; border-top: 1.5px solid var(--ardoise); }
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-s);
  padding: var(--space-m) 0;
  border-bottom: var(--trait);
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-display);
  font-stretch: 70%;
  font-weight: 760;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--tuile);
}
.step h3 { font-size: var(--fs-h4); }
.step p { margin-top: 0.3rem; color: var(--texte-2); font-size: var(--fs-s); }

/* Fiches zinguerie */
.fiches { border-top: 1.5px solid var(--ardoise); }
.fiche {
  display: grid;
  gap: var(--space-s);
  padding: var(--space-l) 0;
  border-bottom: var(--trait);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}
.fiche-head { display: grid; grid-template-columns: 3.5rem 1fr; gap: var(--space-s); align-items: start; }
.fiche-icon { width: 3.5rem; height: 3.5rem; color: var(--ardoise); }
.fiche-icon .accent { stroke: var(--tuile); }
.fiche h3 { font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem); font-stretch: 72%; line-height: 1.05; }
.fiche-role { margin-top: 0.35rem; color: var(--texte-2); font-size: var(--fs-s); }
.fiche ul { display: grid; gap: 0.45rem; padding-left: 1.1em; }
.fiche li::marker { color: var(--tuile); }

/* FAQ */
.faq { border-top: 1.5px solid var(--ardoise); max-width: 52rem; }
.faq details { border-bottom: var(--trait); }
.faq summary {
  position: relative;
  display: block;
  padding: var(--space-m) 3rem var(--space-m) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  font-size: var(--fs-h4);
  line-height: 1.3;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before,
.faq summary::after {
  content: "";
  position: absolute;
  right: 0.5rem;
  top: 50%;
  width: 1.1rem;
  height: 2px;
  background: var(--tuile);
  transition: transform var(--dur) var(--ease);
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0deg); }
.faq summary:hover { color: var(--tuile); }
.faq-body { padding: 0 0 var(--space-m); color: var(--texte-2); max-width: var(--measure); }
.faq-body > * + * { margin-top: 0.8em; }

/* Liens vers les autres savoir-faire */
.related { display: grid; gap: 0; border-top: 1.5px solid var(--ardoise); }
.related a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-s);
  padding: var(--space-m) 0;
  border-bottom: var(--trait);
  text-decoration: none;
  font-family: var(--font-display);
  font-stretch: 74%;
  font-weight: 700;
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.875rem);
  line-height: 1.1;
}
.related a span { display: block; margin-top: 0.3rem; font-family: var(--font-body); font-stretch: 100%; font-weight: 400; font-size: var(--fs-s); color: var(--texte-2); }
.related .icon { color: var(--tuile); transition: transform var(--dur) var(--ease); }
.related a:hover .icon { transform: translateX(5px); }

/* 16. Contact & formulaire
   ========================================================================== */
.contact-grid { display: grid; gap: var(--space-xl); align-items: start; }

.form { display: grid; gap: var(--space-m); }
.form-intro { color: var(--texte-2); font-size: var(--fs-s); }
.form-row { display: grid; gap: var(--space-m); }
.field { display: grid; gap: 0.4rem; }
.field label,
.field legend {
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  font-size: 1rem;
  line-height: 1.3;
  padding: 0;
}
.field .opt { font-family: var(--font-body); font-stretch: 100%; font-weight: 400; font-size: var(--fs-xs); color: var(--texte-2); }
.field-hint { font-size: var(--fs-xs); color: var(--texte-2); }

.input,
.select,
.textarea {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--zinc-clair);
  border-radius: var(--radius);
  background: var(--blanc);
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color var(--dur), box-shadow var(--dur);
}
.textarea { min-height: 9rem; resize: vertical; }
.select {
  appearance: none;
  padding-right: 2.75rem;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--ardoise) 50%),
    linear-gradient(135deg, var(--ardoise) 50%, transparent 50%);
  background-position: calc(100% - 1.3rem) 55%, calc(100% - 0.95rem) 55%;
  background-size: 0.36rem 0.36rem;
  background-repeat: no-repeat;
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--zinc); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--ardoise);
  box-shadow: 0 0 0 3px rgba(168, 56, 42, 0.28);
}
.field.is-invalid .input,
.field.is-invalid .select,
.field.is-invalid .textarea { border-color: var(--tuile); background: #fdf6f4; }
.field-error {
  display: none;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--tuile-fonce);
}
.field.is-invalid .field-error { display: flex; }
.field-error::before {
  content: "";
  flex: none;
  width: 0.9rem;
  height: 0.9rem;
  margin-top: 0.1rem;
  background: var(--tuile);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
}

fieldset.field { margin: 0; padding: 0; border: 0; min-width: 0; }
.chips { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.45rem; margin-top: 0.2rem; }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.chip span {
  display: flex;
  align-items: center;
  min-height: 3rem;
  height: 100%;
  padding: 0.55rem 0.8rem;
  border: 1.5px solid var(--zinc-clair);
  border-radius: var(--radius);
  background: var(--blanc);
  font-size: 0.9375rem;
  line-height: 1.25;
  transition: border-color var(--dur), background-color var(--dur), color var(--dur);
}
.chip input:hover + span { border-color: var(--zinc); }
.chip input:checked + span { border-color: var(--ardoise); background: var(--ardoise); color: var(--blanc); }
.chip input:focus-visible + span { outline: 2px solid var(--tuile); outline-offset: 2px; }
.field.is-invalid .chip span { border-color: var(--tuile); }

.file-input {
  width: 100%;
  padding: 0.7rem;
  border: 1.5px dashed var(--zinc);
  border-radius: var(--radius);
  background: var(--blanc);
  font-size: var(--fs-s);
}
.file-input::file-selector-button {
  margin-right: 0.8rem;
  padding: 0.5rem 0.9rem;
  border: 0;
  border-radius: var(--radius);
  background: var(--brume);
  font-weight: 600;
  cursor: pointer;
}

.urgent-note {
  padding: 0.8rem 0.9rem;
  border-left: 4px solid var(--tuile);
  background: #fbeeea;
  font-size: var(--fs-s);
}
.urgent-note a { font-weight: 700; color: var(--tuile-fonce); white-space: nowrap; }
.urgent-note[hidden] { display: none; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-legal { font-size: var(--fs-xs); color: var(--texte-2); max-width: 40rem; }
.form-submit { display: grid; gap: var(--space-s); justify-items: start; }
.form-submit .btn { min-width: 16rem; }
.btn[aria-busy="true"] { opacity: 0.7; pointer-events: none; }

.form-status {
  padding: var(--space-m);
  border-left: 4px solid var(--succes);
  background: var(--blanc);
  box-shadow: var(--ombre);
}
.form-status.is-error { border-left-color: var(--tuile); }
.form-status h2 { font-size: clamp(1.75rem, 1.3rem + 1.4vw, 2.25rem); }
.form-status p { margin-top: 0.6rem; color: var(--texte-2); }
.form-status[hidden] { display: none; }

.contact-aside { display: grid; gap: var(--space-m); }
.contact-card {
  padding: var(--space-m);
  background: var(--ardoise);
  color: var(--texte-inverse);
}
.contact-card h2 { font-size: 1.5rem; font-stretch: 76%; }
.contact-card .cta-phone { margin-top: var(--space-xs); font-size: clamp(2.25rem, 1.8rem + 1.6vw, 3rem); }
.contact-card p { margin-top: var(--space-xs); font-size: var(--fs-s); color: var(--texte-inverse-2); }
.contact-lines { display: grid; gap: var(--space-s); padding: var(--space-m); border: var(--trait); background: var(--blanc); font-size: var(--fs-s); }
.contact-lines dt { font-size: var(--fs-xs); color: var(--texte-2); }
.contact-lines dd { margin-top: 0.15rem; font-weight: 600; overflow-wrap: anywhere; }
.contact-lines a { color: inherit; }
.contact-steps { padding: var(--space-m); border: var(--trait); background: var(--blanc); }
.contact-steps h2 { font-size: 1.375rem; font-stretch: 76%; }
.contact-steps ol { display: grid; gap: var(--space-s); margin-top: var(--space-s); padding-left: 1.3em; font-size: var(--fs-s); color: var(--texte-2); }
.contact-steps li::marker { color: var(--tuile); font-weight: 700; }
.contact-steps strong { color: var(--texte); }

/* 17. Pages légales
   ========================================================================== */
.legal { display: grid; gap: var(--space-xl); align-items: start; }
.legal-toc { font-size: var(--fs-s); }
.legal-toc ol { display: grid; gap: 0.4rem; padding-left: 1.2em; }
.legal-toc a { color: var(--texte-2); }
.legal-body { max-width: 46rem; }
.legal-body h2 { font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.25rem); margin-top: var(--space-xl); scroll-margin-top: calc(var(--header-h) + 1.5rem); }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { font-size: var(--fs-h4); margin-top: var(--space-l); }
.legal-body p,
.legal-body ul,
.legal-body dl { margin-top: 0.8rem; color: var(--texte-2); }
.legal-body ul { padding-left: 1.2em; }
.legal-body li + li { margin-top: 0.3rem; }
.legal-body dl { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.2rem 1rem; }
.legal-body dt { font-weight: 650; color: var(--texte); margin-top: 0.5rem; }
.legal-body a { color: var(--texte); overflow-wrap: anywhere; }

/* 18. Pied de page
   ========================================================================== */
.site-footer {
  position: relative;
  padding: var(--space-2xl) 0 calc(var(--space-l) + var(--safe-bottom));
  background: var(--ardoise);
  color: var(--texte-inverse-2);
  font-size: var(--fs-s);
}
.site-footer::before {
  /* Joints debout du zinc */
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--ardoise-3) 0 1px, transparent 1px 44px);
  opacity: 0.8;
}
.footer-grid { display: grid; gap: var(--space-xl); }
.footer-brand .brand { color: var(--texte-inverse); }
.footer-brand .brand-sub { color: var(--texte-inverse-2); }
.footer-brand p { margin-top: var(--space-s); max-width: 26rem; }
.footer-title {
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 680;
  font-size: 1rem;
  color: var(--texte-inverse);
  margin-bottom: var(--space-xs);
}
.site-footer ul { display: grid; gap: 0.35rem; }
.site-footer a { color: var(--texte-inverse-2); text-decoration: none; }
.site-footer a:hover { color: var(--tuile-vif); text-decoration: underline; }
.footer-contact a { color: var(--texte-inverse); font-weight: 600; }
.footer-legal {
  display: grid;
  gap: 0.6rem;
  margin-top: var(--space-xl);
  padding-top: var(--space-m);
  border-top: var(--trait-sombre);
  font-size: var(--fs-xs);
}
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.2rem; }

/* 19. Barre d'action mobile & retour en haut
   ========================================================================== */
.action-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  padding-bottom: var(--safe-bottom);
  background: var(--ardoise-3);
  transform: translateY(110%);
  transition: transform var(--dur) var(--ease);
}
.action-bar.is-visible { transform: none; }
.menu-open .action-bar { transform: translateY(110%); }
.action-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--bar-h);
  font-family: var(--font-display);
  font-stretch: var(--wdth-label);
  font-weight: 700;
  font-size: 1.0625rem;
  text-decoration: none;
  background: var(--ardoise);
  color: var(--blanc);
}
.action-bar a:last-child { background: var(--tuile); }
.action-bar a:hover { color: var(--blanc); filter: brightness(1.1); }

.to-top {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right, 0px));
  bottom: calc(var(--bar-h) + var(--safe-bottom) + 0.9rem);
  z-index: 85;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  padding: 0;
  border: 1.5px solid var(--zinc-clair);
  border-radius: 50%;
  background: var(--blanc);
  color: var(--ardoise);
  box-shadow: var(--ombre);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s linear var(--dur), border-color var(--dur), color var(--dur);
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility 0s, border-color var(--dur), color var(--dur);
}
.to-top:hover { border-color: var(--tuile); color: var(--tuile); }
.to-top svg { width: 1.3rem; height: 1.3rem; }
.menu-open .to-top { opacity: 0; visibility: hidden; }

/* 20. Médias : repli si une photo n'est pas encore téléchargée
   ========================================================================== */
[data-media].is-missing {
  background-color: var(--ardoise-2);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='24'%3E%3Cpath d='M0 5a9 7 0 0 0 18 0M-9 17a9 7 0 0 0 18 0M9 17a9 7 0 0 0 18 0' fill='none' stroke='%23cfd6da' stroke-opacity='.2'/%3E%3C/svg%3E");
  background-size: 18px 24px;
}
[data-media].is-missing img { visibility: hidden; }

/* 21. Animations d'apparition
   ========================================================================== */
.js [data-reveal] { opacity: 0; transform: translateY(18px); }
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  transition-delay: var(--delay, 0s);
}
/* Dévoilement en pente des images */
.js [data-reveal="slope"] { opacity: 1; transform: none; }
.js [data-reveal="slope"] img { clip-path: polygon(0 100%, 0 100%, 0 100%, 0 100%); }
.js [data-reveal="slope"].is-in img {
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  transition: clip-path 1.1s var(--ease);
}

/* Séquence d'ouverture du hero : une seule mise en scène */
.js .hero-ridge { animation: ridge-draw 1.5s 0.2s var(--ease) both; }
.js .hero-frame img { animation: hero-img 1.3s var(--ease) both; }
.js .hero-copy > * { animation: hero-copy 0.9s var(--ease) both; }
.js .hero-copy > :nth-child(2) { animation-delay: 0.08s; }
.js .hero-copy > :nth-child(3) { animation-delay: 0.16s; }
.js .hero-copy > :nth-child(4) { animation-delay: 0.24s; }

/* La ligne de faîtage se déploie depuis le sommet vers les deux égouts */
@keyframes ridge-draw {
  from { clip-path: inset(-50% 50% -50% 50%); }
  to { clip-path: inset(-50% -20% -50% -20%); }
}
@keyframes hero-img { from { transform: scale(1.06); opacity: 0.4; } to { transform: none; opacity: 1; } }
@keyframes hero-copy { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* 22. Responsive
   ========================================================================== */
@media (max-width: 599px) {
  body.has-action-bar { padding-bottom: calc(var(--bar-h) + var(--safe-bottom)); }
  .hero-copy { padding-top: var(--space-m); }
  .roof-figure { margin-inline: calc(var(--gutter) * -0.75); }
  .rd-pin circle { r: 19px; }
  .rd-pin text { font-size: 20px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 1.25rem; }
  .brand-mark { width: 2.25rem; height: 2.25rem; }
  .btn-row .btn { flex: 1 1 100%; }
  .form-submit .btn { width: 100%; min-width: 0; }
}

@media (max-width: 374px) {
  /* Logo sur deux lignes pour laisser la place au téléphone et au menu */
  .brand-name { white-space: normal; width: min-content; font-size: 1.125rem; line-height: 0.95; }
  .brand-mark { width: 2rem; height: 2rem; }
  .brand { gap: 0.5rem; }
}

@media (max-width: 359px) {
  .header-inner { gap: var(--space-xs); }
  .chips { grid-template-columns: 1fr; }
  .roof-keys { grid-template-columns: 1fr; }
}

@media (min-width: 600px) {
  .action-bar { display: none; }
  .to-top { bottom: calc(1.25rem + var(--safe-bottom)); right: max(1.25rem, env(safe-area-inset-right, 0px)); }
  .header-phone { padding: 0 0.9rem; }
  .header-phone-num { display: inline; }
  .facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .fact,
  .fact:nth-child(odd),
  .fact:nth-child(even) { padding: var(--space-m) var(--space-m) var(--space-s) 0; border-right: var(--trait); border-bottom: 0; }
  .fact + .fact { padding-left: var(--space-m); }
  .fact:last-child { border-right: 0; }
  .form-row.cols-2 { grid-template-columns: 1fr 1fr; }
  .chips { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cartouche dl { grid-template-columns: 1fr 1fr; }
  .cartouche-row.is-right { border-left: 1px solid var(--zinc-clair); }
  .cartouche-row.is-wide { grid-column: 1 / -1; }
  .tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compare { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
  .roof-keys { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trade { grid-template-columns: minmax(0, 1fr) 11rem; column-gap: var(--space-l); }
  .trade-media { grid-row: 1 / span 2; grid-column: 2; align-self: center; }
  .fiche { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); column-gap: var(--space-xl); }
  .wear-remedy { padding: var(--space-l); }
}

@media (min-width: 600px) and (max-width: 959px) {
  .hero-media { max-width: 32rem; margin-inline: auto; width: 100%; }
  .hero-frame { aspect-ratio: 5 / 6; max-height: none; }
}

@media (min-width: 720px) {
  .points-grid { grid-template-columns: 1fr 1fr; column-gap: var(--space-xl); }
  .page-hero-media { margin-inline: 0; }
}

@media (min-width: 960px) {
  :root { --header-h: 4.75rem; }
  .main-nav { display: block; }
  .nav-toggle { display: none; }
  .header-actions .btn { display: inline-flex; }
  .mobile-menu { display: none; }
  .header-phone-num { display: none; }
  .header-phone { padding: 0; }

  .hero { padding-top: var(--space-l); }
  .hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    column-gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
  }
  .hero-copy { order: 0; padding-block: var(--space-xl) var(--space-l); }
  .hero-media { order: 1; margin: 0; }
  .hero-frame { aspect-ratio: auto; max-height: none; height: min(74vh, 44rem); min-height: 30rem; clip-path: polygon(0 32%, 50% 0, 100% 32%, 100% 100%, 0 100%); }

  .section-head { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: end; column-gap: var(--space-xl); }
  .section-head .lead { margin-top: 0; }

  .roof { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: clamp(2rem, 4vw, 4rem); }
  .roof-figure { position: sticky; top: calc(var(--header-h) + 2rem); }
  .roof-keys { grid-template-columns: 1fr 1fr; }

  .trade { grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr); align-items: center; }
  .trade:hover::before { opacity: 1; }
  .trade-media { grid-row: auto; grid-column: auto; }

  .artisan { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); column-gap: clamp(2rem, 5vw, 5rem); }
  .zone { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); column-gap: clamp(2rem, 5vw, 5rem); }
  .cta-inner { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--space-xl); }
  .cta-actions { justify-items: end; text-align: right; }

  .page-hero { padding-block: var(--space-l) var(--space-2xl); }
  .page-hero-grid { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); column-gap: clamp(2rem, 5vw, 5rem); }
  .page-hero-media { aspect-ratio: 5 / 4; }

  .split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); column-gap: clamp(2rem, 5vw, 5rem); }
  .split.is-reverse { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .split-head { position: sticky; top: calc(var(--header-h) + 2rem); }

  .contact-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); column-gap: clamp(2rem, 5vw, 5rem); }
  .contact-aside { position: sticky; top: calc(var(--header-h) + 1.5rem); }

  .legal { grid-template-columns: 14rem minmax(0, 1fr); column-gap: var(--space-2xl); }
  .legal-toc { position: sticky; top: calc(var(--header-h) + 2rem); }

  .footer-grid { grid-template-columns: minmax(0, 4fr) repeat(3, minmax(0, 2.4fr)); column-gap: var(--space-l); }
  .footer-legal { grid-template-columns: 1fr auto; align-items: start; }

  /* La chaîne d'usure descend la pente */
  .wear ol { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-m); }
  .wear li { padding-left: 0; padding-top: 3.25rem; }
  .wear li:nth-child(2) { margin-top: 2.75rem; }
  .wear li:nth-child(3) { margin-top: 5.5rem; }
  .wear li:nth-child(4) { margin-top: 8.25rem; }
  .wear li:nth-child(5) { margin-top: 11rem; }
  .wear li::before { top: 0; }
  .wear-line { display: block; position: absolute; left: 1.125rem; top: 1.125rem; width: calc(80% + 1.2rem); max-width: none; height: 11rem; pointer-events: none; }
  .wear-line line { stroke: var(--ardoise-3); stroke-width: 1.5; stroke-dasharray: 4 6; vector-effect: non-scaling-stroke; }
}

@media (min-width: 1180px) {
  .header-phone { padding: 0 0.9rem; }
  .header-phone-num { display: inline; }
  .main-nav a { padding-inline: 0.8rem; }
}

@media (min-width: 1400px) {
  .hero-frame { height: min(76vh, 48rem); }
}

/* 23. Préférence : mouvement réduit
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js [data-reveal="slope"] img { clip-path: none; }
  .js .hero-ridge { animation: none; clip-path: none; }
  .js .roof.is-armed .roof-svg .draw { stroke-dashoffset: 0; }
  .trade:hover .trade-media img { transform: none; }
}

/* 24. Impression
   ========================================================================== */
@media print {
  .site-header, .mobile-menu, .action-bar, .to-top, .cta-band, .hero-ridge { display: none !important; }
  body { background: #fff; color: #000; }
  .section-dark { background: #fff; color: #000; }
  a[href^="tel:"]::after { content: " (" attr(href) ")"; }
}

/* 25. Utilitaires d'espacement
   ========================================================================== */
.mt-s { margin-top: var(--space-s); }
.mt-m { margin-top: var(--space-m); }
.mt-l { margin-top: var(--space-l); }