/* ============================================================
   KT PLOMBERIE CHAUFFAGE SANITAIRE — Thiers
   Direction : « Acier & Cuivre » — technique clair, photo-first
   Tokens définis dans DESIGN.md. Un seul accent : le cuivre.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  --porcelain: #F3F6F8;
  --card: #FDFEFE;
  --mist: #DCE4EA;
  --ink: #13232F;
  --ink-soft: #425663;
  --marine: #0D2C40;
  --marine-2: #12384F;
  --steel: #175A7E;
  --steel-deep: #0F455F;
  --copper: #B25C28;
  --copper-bright: #D3763B;
  --cream-text: rgba(244, 248, 250, .95);

  --font-display: "Geologica", sans-serif;
  --font-body: "Public Sans", sans-serif;

  --fs-display: clamp(38px, 5.2vw, 74px);
  --fs-h2: clamp(28px, 3.4vw, 44px);
  --fs-h3: 22px;
  --fs-body: 17px;

  --r-lg: 18px;
  --r-sm: 10px;

  --shadow-soft: 0 18px 50px -18px rgba(13, 44, 64, .18);
  --shadow-lift: 0 26px 60px -20px rgba(13, 44, 64, .26);

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--porcelain);
  font-feature-settings: 'tnum';
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--steel); text-decoration: none; }
a:hover { color: var(--steel-deep); }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 2px; border-radius: 4px; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.08;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: var(--fs-display); font-weight: 800; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { max-width: 70ch; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { padding: 96px 0; }
@media (min-width: 1024px) { section { padding: 120px 0; } }

/* ---------- Eyebrow (Public Sans 600, jamais de mono) ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--copper);
  border-radius: 2px;
}
.on-dark .eyebrow { color: var(--copper-bright); }
.on-dark .eyebrow::before { background: var(--copper-bright); }

/* ---------- Motif signature : la ligne cuivre ---------- */
.copper-divider {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 28px 0;
}
.copper-divider::before {
  content: "";
  width: 48px;
  height: 2px;
  background: var(--copper);
}
.copper-divider::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--copper);
  margin-left: 2px;
}
.u-copper {
  background-image: linear-gradient(var(--copper-bright), var(--copper-bright));
  background-repeat: no-repeat;
  background-size: 100% 4px;
  background-position: 0 96%;
  padding-bottom: 2px;
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 15px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  transition: background-color 260ms var(--ease-out), color 260ms var(--ease-out), box-shadow 260ms var(--ease-out), transform 160ms var(--ease-out);
  will-change: transform;
}
.btn:active { transform: scale(0.98); }
.btn .btn-ic {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  transition: transform 320ms var(--ease-out);
}
.btn:hover .btn-ic { transform: translateX(3px); }
.btn svg { width: 15px; height: 15px; }

.btn-primary { background: var(--steel); color: #fff; }
.btn-primary:hover { background: var(--steel-deep); color: #fff; box-shadow: var(--shadow-soft); }
.btn-primary .btn-ic { background: rgba(255, 255, 255, .16); }

.btn-copper { background: var(--copper); color: #fff; }
.btn-copper:hover { background: #9A4E20; color: #fff; box-shadow: var(--shadow-soft); }
.btn-copper .btn-ic { background: rgba(255, 255, 255, .18); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--mist);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--steel); color: var(--steel); }
.on-dark .btn-ghost { color: var(--cream-text); box-shadow: inset 0 0 0 1.5px rgba(244, 248, 250, .35); }
.on-dark .btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--copper-bright); color: var(--copper-bright); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 40;
  background: rgba(243, 246, 248, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 300ms var(--ease-out), background-color 300ms var(--ease-out);
}
.site-header.scrolled { border-bottom-color: var(--mist); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand-logo {
  display: block;
  height: 56px;
  width: auto;
}
@media (max-width: 767px) { .brand-logo { height: 46px; } }
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  background: var(--steel);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  flex: none;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.15;
}
.brand-name small {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.main-nav { display: none; }
@media (min-width: 1024px) {
  .main-nav { display: flex; align-items: center; gap: 32px; }
  .main-nav > a {
    color: var(--ink);
    font-weight: 500;
    font-size: 15.5px;
    padding: 6px 0;
    background-image: linear-gradient(var(--copper), var(--copper));
    background-repeat: no-repeat;
    background-size: 0% 2px;
    background-position: 0 100%;
    transition: background-size 280ms var(--ease-out);
  }
  .main-nav > a:hover, .main-nav > a[aria-current="page"] { background-size: 100% 2px; }
}
.header-cta { display: none; }
@media (min-width: 768px) {
  .header-cta {
    display: inline-flex;
    padding: 11px 20px;
    font-size: 15px;
  }
}

/* Burger */
.nav-burger {
  width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 60;
  position: relative;
}
@media (min-width: 1024px) { .nav-burger { display: none; } }
.nav-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 320ms var(--ease-out), opacity 200ms var(--ease-out), background-color 320ms var(--ease-out);
}
.nav-burger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); background: var(--cream-text); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); background: var(--cream-text); }

/* Menu mobile plein écran */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: var(--marine);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px 32px 48px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 380ms var(--ease-out), visibility 0s 380ms;
}
.mobile-menu.open { opacity: 1; visibility: visible; transition: opacity 380ms var(--ease-out); }
.mobile-menu a {
  color: var(--cream-text);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 7vw, 38px);
  padding: 12px 0;
  transform: translateY(24px);
  opacity: 0;
  transition: transform 480ms var(--ease-out), opacity 480ms var(--ease-out), color 200ms;
}
.mobile-menu a:hover { color: var(--copper-bright); }
.mobile-menu.open a { transform: translateY(0); opacity: 1; }
.mobile-menu.open a:nth-child(1) { transition-delay: 60ms; }
.mobile-menu.open a:nth-child(2) { transition-delay: 120ms; }
.mobile-menu.open a:nth-child(3) { transition-delay: 180ms; }
.mobile-menu.open a:nth-child(4) { transition-delay: 240ms; }
.mobile-menu.open a:nth-child(5) { transition-delay: 300ms; }
.mobile-menu.open a:nth-child(6) { transition-delay: 360ms; }
.mobile-menu.open a:nth-child(7) { transition-delay: 420ms; }
.mobile-menu.open a:nth-child(8) { transition-delay: 480ms; }
.mobile-menu .menu-phone {
  margin-top: 28px;
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 600;
  color: var(--copper-bright);
}
body.menu-open { overflow: hidden; }

/* ---------- Hero accueil ---------- */
.hero {
  position: relative;
  min-height: min(92vh, 860px);
  display: flex;
  align-items: flex-end;
  color: var(--cream-text);
  padding: 0;
}
.hero-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(76deg, rgba(13, 44, 64, .88) 0%, rgba(13, 44, 64, .62) 46%, rgba(13, 44, 64, .28) 100%),
    linear-gradient(0deg, rgba(10, 30, 44, .72) 0%, rgba(10, 30, 44, 0) 42%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 170px 0 72px;
}
.hero h1 {
  color: #fff;
  max-width: 15ch;
  text-shadow: 0 2px 30px rgba(6, 22, 33, .6);
}
.hero .lead {
  margin-top: 24px;
  max-width: 52ch;
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--cream-text);
  text-shadow: 0 2px 24px rgba(6, 22, 33, .65);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid rgba(244, 248, 250, .22);
}
.hero-meta li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--cream-text);
  text-shadow: 0 1px 16px rgba(6, 22, 33, .6);
}
.hero-meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--copper-bright);
  flex: none;
}

/* ---------- Page-hero (pages internes) ---------- */
.page-hero {
  position: relative;
  min-height: 460px;
  display: flex;
  align-items: flex-end;
  color: var(--cream-text);
  padding: 0;
}
.page-hero .hero-bg::after {
  background:
    linear-gradient(76deg, rgba(13, 44, 64, .9) 0%, rgba(13, 44, 64, .6) 55%, rgba(13, 44, 64, .3) 100%),
    linear-gradient(0deg, rgba(10, 30, 44, .66) 0%, rgba(10, 30, 44, 0) 50%);
}
.page-hero .hero-content { padding: 150px 0 56px; }
.page-hero h1 {
  color: #fff;
  font-size: clamp(32px, 4.2vw, 56px);
  max-width: 22ch;
  text-shadow: 0 2px 30px rgba(6, 22, 33, .6);
}
.page-hero .lead {
  margin-top: 18px;
  max-width: 56ch;
  font-size: 18px;
  color: var(--cream-text);
  text-shadow: 0 2px 24px rgba(6, 22, 33, .65);
}
.crumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper-bright);
  margin-bottom: 16px;
  text-shadow: 0 1px 14px rgba(6, 22, 33, .6);
}
.crumb a { color: rgba(244, 248, 250, .8); }
.crumb a:hover { color: #fff; }

/* ---------- Bande réassurance ---------- */
.reassure {
  padding: 0;
  background: var(--card);
  border-bottom: 1px solid var(--mist);
}
.reassure-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 768px) { .reassure-grid { grid-template-columns: repeat(3, 1fr); } }
.reassure-item {
  padding: 30px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border-top: 1px solid var(--mist);
}
@media (min-width: 768px) {
  .reassure-item { border-top: none; }
  .reassure-item + .reassure-item { border-left: 1px solid var(--mist); }
}
.reassure-item svg { width: 26px; height: 26px; color: var(--copper); flex: none; margin-top: 3px; }
.reassure-item strong { display: block; font-family: var(--font-display); font-size: 17px; font-weight: 700; }
.reassure-item span { font-size: 14.5px; color: var(--ink-soft); }

/* ---------- Section header générique ---------- */
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head p { color: var(--ink-soft); margin-top: 16px; font-size: 18px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-head.center .eyebrow::before { display: none; }

/* ---------- Services : grille asymétrique ---------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 900px) {
  .services-grid {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: 128px;
  }
  .svc-card.svc-major { grid-column: span 5; grid-row: span 4; }
  .svc-card:nth-child(2) { grid-column: span 7; grid-row: span 2; }
  .svc-card:nth-child(3) { grid-column: span 7; grid-row: span 2; }
  .svc-card:nth-child(4) { grid-column: span 6; grid-row: span 2; }
  .svc-card:nth-child(5) { grid-column: span 6; grid-row: span 2; }
}
.svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: var(--r-lg);
  background: var(--card);
  border: 1px solid var(--mist);
  padding: 30px;
  overflow: hidden;
  transition: box-shadow 320ms var(--ease-out), border-color 320ms var(--ease-out);
}
.svc-card:hover { box-shadow: var(--shadow-lift); border-color: rgba(23, 90, 126, .4); }
.svc-card h3 { color: var(--ink); }
.svc-card p { color: var(--ink-soft); font-size: 15.5px; margin-top: 8px; }
.svc-card .svc-link {
  margin-top: 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--steel);
}
.svc-card .svc-link svg { width: 14px; height: 14px; transition: transform 280ms var(--ease-out); }
.svc-card:hover .svc-link svg { transform: translateX(4px); }
.svc-card.svc-major {
  color: var(--cream-text);
  border: none;
  min-height: 420px;
  justify-content: flex-end;
}
.svc-card.svc-major .svc-photo {
  position: absolute;
  inset: 0;
}
.svc-card.svc-major .svc-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 700ms var(--ease-out); }
.svc-card.svc-major:hover .svc-photo img { transform: scale(1.04); }
.svc-card.svc-major .svc-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(13, 44, 64, .88) 0%, rgba(13, 44, 64, .18) 60%);
}
.svc-card.svc-major > * { position: relative; z-index: 2; }
.svc-card.svc-major h3 { color: #fff; font-size: 26px; text-shadow: 0 2px 20px rgba(6, 22, 33, .55); }
.svc-card.svc-major p { color: var(--cream-text); text-shadow: 0 1px 16px rgba(6, 22, 33, .6); }
.svc-card.svc-major .svc-link { color: var(--copper-bright); }
.svc-tag {
  position: absolute;
  top: 22px;
  left: 22px;
  z-index: 2;
  background: var(--copper);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 999px;
}

/* ---------- Section signature : le circuit d'intervention ---------- */
.circuit {
  background: var(--marine);
  color: var(--cream-text);
  position: relative;
  overflow: hidden;
}
.circuit h2 { color: #fff; }
.circuit .section-head p { color: rgba(220, 232, 240, .78); }
.circuit-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  position: relative;
  margin-top: 24px;
}
@media (min-width: 900px) { .circuit-steps { grid-template-columns: repeat(4, 1fr); gap: 32px; } }
.circuit-step { position: relative; padding: 28px 8px 0 46px; }
@media (min-width: 900px) { .circuit-step { padding: 54px 8px 0 0; } }
.circuit-step h3 { color: #fff; font-size: 19px; margin-bottom: 8px; }
.circuit-step p { color: rgba(220, 232, 240, .75); font-size: 15px; }
.circuit-node {
  position: absolute;
  left: 8px;
  top: 34px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--copper-bright);
  box-shadow: 0 0 0 5px rgba(211, 118, 59, .18);
}
@media (min-width: 900px) { .circuit-node { left: 0; top: 0; } }
/* La ligne cuivre qui relie les étapes */
.circuit-line {
  position: absolute;
  background: linear-gradient(90deg, var(--copper-bright), rgba(211, 118, 59, .35));
  transform-origin: left top;
}
@media (min-width: 900px) {
  .circuit-line { left: 7px; right: 7px; top: 6px; height: 2px; transform: scaleX(0); transition: transform 1400ms var(--ease-out); }
  .circuit-line.drawn { transform: scaleX(1); }
}
@media (max-width: 899px) {
  .circuit-line { left: 14px; top: 40px; bottom: 10px; width: 2px; background: linear-gradient(180deg, var(--copper-bright), rgba(211, 118, 59, .35)); transform: scaleY(0); transition: transform 1400ms var(--ease-out); }
  .circuit-line.drawn { transform: scaleY(1); }
}
.circuit-cta { margin-top: 56px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.circuit-cta .phone-big {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 30px);
  color: #fff;
}
.circuit-cta .phone-big:hover { color: var(--copper-bright); }

/* ---------- Split média/texte ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 72px; } }
.split-media {
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  position: relative;
}
.split-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3.2; }
.split-body p + p { margin-top: 16px; }
.split-body .muted { color: var(--ink-soft); }
.split.flip .split-media { order: 0; }
@media (min-width: 900px) { .split.flip .split-media { order: 2; } }

/* Liste à nœuds cuivre */
.copper-list { margin-top: 24px; display: grid; gap: 14px; }
.copper-list li {
  position: relative;
  padding-left: 28px;
  font-size: 16.5px;
}
.copper-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 2px;
  background: var(--copper);
}
.copper-list li::after {
  content: "";
  position: absolute;
  left: 12px;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--copper);
}
.copper-list li strong { font-weight: 600; }

/* ---------- Zone d'intervention ---------- */
.zone { background: var(--card); border-top: 1px solid var(--mist); border-bottom: 1px solid var(--mist); }
.zone-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 900px) { .zone-grid { grid-template-columns: 1.05fr 1fr; gap: 72px; } }
.zone-map {
  position: relative;
  aspect-ratio: 1 / 1;
  max-width: 440px;
  margin: 0 auto;
}
.zone-map svg { width: 100%; height: 100%; }
.zone-communes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.zone-communes li {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--mist);
  background: var(--porcelain);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-soft);
}
.zone-communes li.hub {
  background: var(--steel);
  border-color: var(--steel);
  color: #fff;
  font-weight: 600;
}

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 0 auto; }
.faq details {
  border-bottom: 1px solid var(--mist);
}
.faq details:first-of-type { border-top: 1px solid var(--mist); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--mist);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  transition: transform 320ms var(--ease-out), border-color 320ms var(--ease-out), background-color 320ms var(--ease-out);
}
.faq summary .chev svg { width: 14px; height: 14px; color: var(--steel); }
.faq details[open] summary .chev { transform: rotate(180deg); background: var(--steel); border-color: var(--steel); }
.faq details[open] summary .chev svg { color: #fff; }
.faq .faq-body { padding: 0 4px 26px; color: var(--ink-soft); }

/* ---------- CTA final ---------- */
.cta-final {
  background: var(--marine);
  color: var(--cream-text);
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 2px solid rgba(211, 118, 59, .25);
}
.cta-final::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 2px solid rgba(211, 118, 59, .35);
}
.cta-final h2 { color: #fff; max-width: 20ch; }
.cta-final p { color: rgba(220, 232, 240, .8); margin-top: 16px; max-width: 52ch; }
.cta-final .hero-actions { margin-top: 34px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--marine);
  color: rgba(220, 232, 240, .75);
  border-top: 2px solid var(--copper);
  padding: 72px 0 36px;
  font-size: 15px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 48px; } }
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--font-body);
  font-weight: 600;
  margin-bottom: 18px;
}
.site-footer a { color: rgba(220, 232, 240, .75); }
.site-footer a:hover { color: var(--copper-bright); }
.footer-brand .brand-mark { background: var(--copper); }
.footer-brand p { margin-top: 16px; font-size: 14.5px; max-width: 34ch; }
.footer-list li + li { margin-top: 10px; }
.footer-bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(220, 232, 240, .14);
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  font-size: 13.5px;
  color: rgba(220, 232, 240, .55);
}
.footer-bottom a { color: rgba(220, 232, 240, .55); }

/* ---------- Page contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 72px; } }
.contact-card {
  background: var(--marine);
  color: var(--cream-text);
  border-radius: var(--r-lg);
  padding: 40px 36px;
}
.contact-card h2 { color: #fff; font-size: 26px; }
.contact-card p { color: rgba(220, 232, 240, .78); margin-top: 12px; font-size: 15.5px; }
.contact-card .phone-big {
  display: inline-block;
  margin-top: 24px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.4vw, 34px);
  color: #fff;
}
.contact-card .phone-big:hover { color: var(--copper-bright); }
.contact-card .contact-lines { margin-top: 28px; display: grid; gap: 14px; padding-top: 24px; border-top: 1px solid rgba(220, 232, 240, .16); }
.contact-card .contact-lines li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; }
.contact-card .contact-lines svg { width: 19px; height: 19px; color: var(--copper-bright); flex: none; margin-top: 3px; }
.contact-card .contact-lines a { color: var(--cream-text); }
.contact-card .contact-lines a:hover { color: var(--copper-bright); }

.form-card {
  background: var(--card);
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-soft);
}
.form-grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-grid.two { grid-template-columns: 1fr 1fr; } }
.field label {
  display: block;
  font-weight: 600;
  font-size: 14.5px;
  margin-bottom: 8px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--mist);
  background: var(--porcelain);
  font: inherit;
  color: var(--ink);
  transition: border-color 220ms var(--ease-out);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--steel);
}
.form-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 4px; }

/* ---------- Mentions légales ---------- */
.legal-page { max-width: 760px; margin: 0 auto; }
.legal-page h2 { font-size: 24px; margin: 44px 0 14px; }
.legal-page p, .legal-page li { color: var(--ink-soft); font-size: 16px; }
.legal-page ul { list-style: disc; padding-left: 22px; display: grid; gap: 6px; }

/* ---------- Cross-sell services ---------- */
.cross-sell { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 768px) { .cross-sell { grid-template-columns: 1fr 1fr; } }
.cross-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--mist);
  border-radius: var(--r-lg);
  padding: 26px 28px;
  color: var(--ink);
  transition: box-shadow 300ms var(--ease-out), border-color 300ms var(--ease-out);
}
.cross-card:hover { box-shadow: var(--shadow-soft); border-color: rgba(23, 90, 126, .4); color: var(--ink); }
.cross-card strong { font-family: var(--font-display); font-size: 18px; font-weight: 700; display: block; }
.cross-card span { font-size: 14.5px; color: var(--ink-soft); }
.cross-card svg { width: 18px; height: 18px; color: var(--copper); flex: none; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 80ms; }
.reveal.d2 { transition-delay: 160ms; }
.reveal.d3 { transition-delay: 240ms; }
.reveal.d4 { transition-delay: 320ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .circuit-line { transform: none !important; transition: none !important; }
}

/* ---------- Utilitaires ---------- */
.on-dark { color: var(--cream-text); }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; } .mt-48 { margin-top: 48px; } .mt-64 { margin-top: 64px; }

/* ---------- Responsive fins ---------- */
@media (max-width: 640px) {
  section { padding: 72px 0; }
  .hero-content { padding: 140px 0 56px; }
  .brand-name { font-size: 14px; }
  .brand-name small { font-size: 9px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}