/* ==========================================================================
   Empreinte Immobilière — Design System
   ========================================================================== */

/* --- Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* --- Tokens -------------------------------------------------------------- */
:root {
  /* Couleurs */
  --c-primary: #1A2E40;
  --c-primary-dark: #0F1E2C;
  --c-primary-light: #2C4A66;
  --c-accent: #B8915A;
  --c-accent-dark: #9A7847;
  --c-accent-light: #D4B284;

  --c-bg: #FAF8F4;
  --c-bg-alt: #F2EDE3;
  --c-card: #FFFFFF;

  --c-text: #1A1A1A;
  --c-text-muted: #5C6770;
  --c-text-soft: #8A8F95;
  --c-text-on-dark: #FAF8F4;

  --c-border: #E5E0D7;
  --c-border-strong: #C9C2B5;

  --c-success: #2D8559;
  --c-error: #B23A3A;
  --c-warning: #C68B2C;

  /* DPE / GES */
  --dpe-A: #319B45;
  --dpe-B: #6FB341;
  --dpe-C: #B7CB37;
  --dpe-D: #F8E033;
  --dpe-E: #F4B73A;
  --dpe-F: #E97E32;
  --dpe-G: #D6402B;

  /* Typographie */
  --ff-serif: "Playfair Display", "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --ff-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --fs-xxs: 0.75rem;     /* 12px */
  --fs-xs: 0.8125rem;    /* 13px */
  --fs-sm: 0.9375rem;    /* 15px */
  --fs-md: 1rem;         /* 16px */
  --fs-lg: 1.125rem;     /* 18px */
  --fs-xl: 1.375rem;     /* 22px */
  --fs-2xl: 1.75rem;     /* 28px */
  --fs-3xl: 2.25rem;     /* 36px */
  --fs-4xl: 3rem;        /* 48px */
  --fs-5xl: 4rem;        /* 64px */

  /* Espacements */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sp-10: 8rem;

  /* Bordures et ombres */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgba(26, 46, 64, 0.06);
  --shadow-sm: 0 2px 8px rgba(26, 46, 64, 0.08);
  --shadow-md: 0 8px 24px rgba(26, 46, 64, 0.10);
  --shadow-lg: 0 16px 48px rgba(26, 46, 64, 0.14);

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;
  --container-wide: 1440px;
  --header-h: 80px;

  /* Anim */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast: 0.15s;
  --t: 0.25s;
  --t-slow: 0.5s;
}

/* --- Base ---------------------------------------------------------------- */
html { font-size: 16px; }
body {
  font-family: var(--ff-sans);
  font-size: var(--fs-md);
  color: var(--c-text);
  background: var(--c-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-serif);
  font-weight: 500;
  line-height: 1.15;
  color: var(--c-primary);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4.5vw, var(--fs-5xl)); font-weight: 600; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, var(--fs-3xl)); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--ff-sans); font-weight: 600; }

p { margin-bottom: var(--sp-4); }
strong { font-weight: 600; }
em { font-style: italic; }

a { color: var(--c-primary); transition: color var(--t) var(--ease); }
a:hover { color: var(--c-accent); }

::selection { background: var(--c-accent); color: var(--c-primary); }

:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* --- Layout helpers ----------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: var(--sp-5); }
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }

.section { padding-block: clamp(var(--sp-7), 8vw, var(--sp-10)); }
.section--alt { background: var(--c-bg-alt); }
.section--dark { background: var(--c-primary); color: var(--c-text-on-dark); }
.section--dark h1, .section--dark h2, .section--dark h3, .section--dark h4 { color: var(--c-text-on-dark); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto var(--sp-7); }
.section-head .eyebrow { color: var(--c-accent); font-weight: 600; font-size: var(--fs-xs); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: var(--sp-3); display: inline-block; }
.section-head h2 { margin-bottom: var(--sp-4); }
.section-head p { color: var(--c-text-muted); font-size: var(--fs-lg); }

.grid { display: grid; gap: var(--sp-5); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); } .gap-5 { gap: var(--sp-5); }

.text-center { text-align: center; }
.text-muted { color: var(--c-text-muted); }
.text-accent { color: var(--c-accent); }
.text-sm { font-size: var(--fs-sm); }
.text-xs { font-size: var(--fs-xs); }

.mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); } .mb-5 { margin-bottom: var(--sp-5); } .mb-6 { margin-bottom: var(--sp-6); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); } .mt-5 { margin-top: var(--sp-5); } .mt-6 { margin-top: var(--sp-6); }

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

/* --- Skip link ---------------------------------------------------------- */
.skip-link {
  position: absolute; top: -100px; left: var(--sp-4);
  background: var(--c-primary); color: white; padding: var(--sp-3) var(--sp-5);
  border-radius: var(--radius-md); z-index: 9999;
  transition: top var(--t) var(--ease);
}
.skip-link:focus { top: var(--sp-4); }

/* --- Boutons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  padding: 0.875rem 1.75rem;
  font-family: var(--ff-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-pill);
  border: 1.5px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--t) var(--ease);
  white-space: nowrap;
  line-height: 1;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--c-primary); color: white; border-color: var(--c-primary); }
.btn--primary:hover { background: var(--c-primary-dark); border-color: var(--c-primary-dark); color: white; box-shadow: var(--shadow-md); }

.btn--accent { background: var(--c-accent); color: var(--c-primary); border-color: var(--c-accent); }
.btn--accent:hover { background: var(--c-accent-dark); border-color: var(--c-accent-dark); color: white; box-shadow: var(--shadow-md); }

.btn--outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary); color: white; }

.btn--ghost { background: transparent; color: var(--c-primary); border-color: transparent; }
.btn--ghost:hover { background: var(--c-bg-alt); }

.btn--on-dark { background: var(--c-accent); color: var(--c-primary); border-color: var(--c-accent); }
.btn--on-dark-outline { background: transparent; color: white; border-color: rgba(255,255,255,0.4); }
.btn--on-dark-outline:hover { background: white; color: var(--c-primary); border-color: white; }

.btn--lg { padding: 1.125rem 2.25rem; font-size: var(--fs-md); }
.btn--sm { padding: 0.625rem 1.25rem; font-size: var(--fs-xs); }
.btn--block { width: 100%; }

/* --- Badges et chips ---------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  padding: 0.375rem 0.75rem;
  font-size: var(--fs-xxs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  background: var(--c-bg-alt);
  color: var(--c-primary);
}
.badge--accent { background: var(--c-accent); color: var(--c-primary); }
.badge--primary { background: var(--c-primary); color: white; }
.badge--exclu { background: var(--c-primary); color: var(--c-accent-light); }
.badge--coup-de-coeur { background: #B23A55; color: white; }
.badge--success { background: #DCEFE3; color: var(--c-success); }

.chip {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  padding: 0.5rem 0.875rem;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  font-size: var(--fs-xs);
  color: var(--c-text);
}

/* --- Header / Navigation ------------------------------------------------ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--c-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-h);
}
.site-header__brand { display: flex; align-items: center; gap: var(--sp-3); }
.site-header__brand a { display: flex; align-items: center; gap: var(--sp-3); }
.site-header__logo { width: 44px; height: 44px; }
.site-header__brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.site-header__brand-name { font-family: var(--ff-serif); font-size: 1.15rem; font-weight: 600; color: var(--c-primary); }
.site-header__brand-tag { font-size: var(--fs-xxs); color: var(--c-accent); letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; }

.site-nav { display: none; }
.site-nav__list { display: flex; align-items: center; gap: var(--sp-5); }
.site-nav__link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-text);
  padding: var(--sp-2) 0;
  position: relative;
}
.site-nav__link::after {
  content: ""; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 2px; background: var(--c-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t) var(--ease);
}
.site-nav__link:hover, .site-nav__link.is-active { color: var(--c-primary); }
.site-nav__link:hover::after, .site-nav__link.is-active::after { transform: scaleX(1); }

.site-header__cta { display: flex; align-items: center; gap: var(--sp-3); }
.site-header__phone { display: none; align-items: center; gap: var(--sp-2); font-size: var(--fs-sm); font-weight: 600; color: var(--c-primary); }

.nav-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  color: var(--c-primary);
}
.nav-toggle:hover { background: var(--c-bg-alt); }
.nav-toggle svg { width: 24px; height: 24px; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-open { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

.mobile-nav {
  position: fixed; inset: var(--header-h) 0 0 0;
  background: var(--c-bg);
  padding: var(--sp-6) var(--sp-5);
  z-index: 99;
  overflow-y: auto;
  display: none;
}
.mobile-nav.is-open { display: block; }
.mobile-nav__list { display: flex; flex-direction: column; gap: var(--sp-2); }
.mobile-nav__link {
  display: block;
  padding: var(--sp-4) 0;
  font-family: var(--ff-serif);
  font-size: var(--fs-xl);
  color: var(--c-primary);
  border-bottom: 1px solid var(--c-border);
}
.mobile-nav__cta { margin-top: var(--sp-6); display: flex; flex-direction: column; gap: var(--sp-3); }

@media (min-width: 1024px) {
  .site-nav { display: block; }
  .site-header__phone { display: flex; }
  .nav-toggle { display: none; }
  .mobile-nav { display: none !important; }
}

/* --- Hero --------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(var(--sp-8), 10vw, var(--sp-10));
  background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
  color: white;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(184, 145, 90, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(184, 145, 90, 0.12), transparent 50%);
  pointer-events: none;
}
.hero__inner { position: relative; z-index: 1; text-align: center; max-width: 880px; margin: 0 auto; }
.hero__eyebrow {
  display: inline-block;
  color: var(--c-accent-light);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--sp-5);
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid rgba(212, 178, 132, 0.4);
  border-radius: var(--radius-pill);
}
.hero h1 { color: white; margin-bottom: var(--sp-5); }
.hero h1 em { font-style: italic; color: var(--c-accent-light); font-weight: 400; }
.hero__subtitle { font-size: clamp(var(--fs-md), 2vw, var(--fs-lg)); color: rgba(250, 248, 244, 0.85); margin-bottom: var(--sp-7); max-width: 640px; margin-inline: auto; }
.hero__cta { display: flex; gap: var(--sp-4); justify-content: center; flex-wrap: wrap; }

/* --- Search bar (hero) -------------------------------------------------- */
.search-bar {
  background: var(--c-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
  margin-top: var(--sp-7);
  text-align: left;
}
.search-bar__field { display: flex; flex-direction: column; padding: var(--sp-3) var(--sp-4); border-radius: var(--radius-md); }
.search-bar__field:hover { background: var(--c-bg-alt); }
.search-bar__label { font-size: var(--fs-xxs); font-weight: 600; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--sp-1); }
.search-bar__input, .search-bar__select {
  border: 0; background: transparent; font-size: var(--fs-md); color: var(--c-text); padding: 0;
  font-family: inherit;
}
.search-bar__input:focus, .search-bar__select:focus { outline: none; }
.search-bar__submit { padding: var(--sp-4); }

@media (min-width: 768px) {
  .search-bar { grid-template-columns: 1.4fr 1fr 1fr 1fr auto; align-items: stretch; }
  .search-bar__field { border-right: 1px solid var(--c-border); }
  .search-bar__field:last-of-type { border-right: 0; }
}

/* --- Cards : bien ------------------------------------------------------- */
.bien-card {
  background: var(--c-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--c-border);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  display: flex; flex-direction: column;
  height: 100%;
}
.bien-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.bien-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--c-bg-alt); }
.bien-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.bien-card:hover .bien-card__media img { transform: scale(1.04); }
.bien-card__badges { position: absolute; top: var(--sp-3); left: var(--sp-3); display: flex; gap: var(--sp-2); flex-wrap: wrap; z-index: 2; }
.bien-card__price-tag {
  position: absolute; bottom: var(--sp-3); right: var(--sp-3);
  background: var(--c-card); padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  font-weight: 700; color: var(--c-primary);
  font-size: var(--fs-md);
  box-shadow: var(--shadow-sm);
}
.bien-card__body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; }
.bien-card__location { font-size: var(--fs-xs); color: var(--c-accent); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: var(--sp-2); }
.bien-card__title { font-family: var(--ff-serif); font-size: var(--fs-xl); color: var(--c-primary); margin-bottom: var(--sp-3); line-height: 1.25; }
.bien-card__features { display: flex; gap: var(--sp-4); margin-top: auto; padding-top: var(--sp-4); border-top: 1px solid var(--c-border); color: var(--c-text-muted); font-size: var(--fs-sm); }
.bien-card__features span { display: inline-flex; align-items: center; gap: var(--sp-1); }
.bien-card__features svg { width: 16px; height: 16px; color: var(--c-accent); }

/* --- Cards : agence ----------------------------------------------------- */
.agence-card {
  background: var(--c-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  border: 1px solid var(--c-border);
  display: flex; flex-direction: column; gap: var(--sp-4);
  height: 100%;
}
.agence-card--soon { opacity: 0.7; background: var(--c-bg-alt); }
.agence-card__head { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-3); }
.agence-card__name { font-family: var(--ff-serif); font-size: var(--fs-xl); color: var(--c-primary); }
.agence-card__meta { font-size: var(--fs-sm); color: var(--c-text-muted); display: flex; flex-direction: column; gap: var(--sp-2); }
.agence-card__meta a:hover { color: var(--c-accent); }

/* --- Cards : service ---------------------------------------------------- */
.service-card {
  background: var(--c-card);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  border: 1px solid var(--c-border);
  height: 100%;
  transition: all var(--t) var(--ease);
  display: flex; flex-direction: column;
}
.service-card:hover { border-color: var(--c-accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.service-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--c-bg-alt);
  color: var(--c-accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--sp-4);
}
.service-card__icon svg { width: 28px; height: 28px; }
.service-card h3 { font-size: var(--fs-xl); margin-bottom: var(--sp-3); }
.service-card p { color: var(--c-text-muted); margin-bottom: var(--sp-4); flex: 1; }
.service-card__link { color: var(--c-accent); font-weight: 600; font-size: var(--fs-sm); display: inline-flex; align-items: center; gap: var(--sp-2); }
.service-card__link:hover { gap: var(--sp-3); color: var(--c-accent-dark); }

/* --- Stats -------------------------------------------------------------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: var(--sp-5); }
.stat { text-align: center; }
.stat__value { font-family: var(--ff-serif); font-size: var(--fs-4xl); color: var(--c-accent); font-weight: 600; line-height: 1; margin-bottom: var(--sp-2); }
.stat__label { font-size: var(--fs-sm); color: var(--c-text-muted); }
.section--dark .stat__label { color: rgba(250, 248, 244, 0.7); }

/* --- Témoignages -------------------------------------------------------- */
.testimonial {
  background: var(--c-card);
  padding: var(--sp-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  height: 100%;
  display: flex; flex-direction: column;
}
.testimonial__stars { display: flex; gap: 2px; color: var(--c-accent); margin-bottom: var(--sp-4); }
.testimonial__stars svg { width: 18px; height: 18px; fill: currentColor; }
.testimonial__quote { font-family: var(--ff-serif); font-size: var(--fs-lg); color: var(--c-primary); line-height: 1.5; flex: 1; margin-bottom: var(--sp-4); font-style: italic; }
.testimonial__author { display: flex; align-items: center; gap: var(--sp-3); padding-top: var(--sp-4); border-top: 1px solid var(--c-border); }
.testimonial__avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--c-bg-alt); display: flex; align-items: center; justify-content: center; color: var(--c-accent); font-weight: 600; }
.testimonial__name { font-weight: 600; font-size: var(--fs-sm); }
.testimonial__location { font-size: var(--fs-xs); color: var(--c-text-muted); }

/* --- FAQ ---------------------------------------------------------------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--c-border);
}
.faq-item summary {
  cursor: pointer; padding: var(--sp-5) 0;
  display: flex; justify-content: space-between; align-items: center; gap: var(--sp-4);
  font-family: var(--ff-serif); font-size: var(--fs-lg); color: var(--c-primary);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: var(--fs-2xl); color: var(--c-accent); transition: transform var(--t) var(--ease); flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__body { padding-bottom: var(--sp-5); color: var(--c-text-muted); }

/* --- Forms -------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: var(--sp-4); }
.form-row { display: grid; gap: var(--sp-4); }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-field { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-field label {
  font-size: var(--fs-sm); font-weight: 600; color: var(--c-text);
}
.form-field label .required { color: var(--c-error); }
.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.875rem var(--sp-4);
  border: 1.5px solid var(--c-border);
  background: var(--c-card);
  border-radius: var(--radius-md);
  font-size: var(--fs-md);
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  width: 100%;
  font-family: inherit;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(184, 145, 90, 0.15);
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field__hint { font-size: var(--fs-xs); color: var(--c-text-muted); }

.form-checkbox { display: flex; gap: var(--sp-3); align-items: flex-start; font-size: var(--fs-sm); color: var(--c-text-muted); }
.form-checkbox input { margin-top: 4px; }

.form-message { padding: var(--sp-4); border-radius: var(--radius-md); font-size: var(--fs-sm); }
.form-message--success { background: #DCEFE3; color: var(--c-success); }
.form-message--error { background: #F8E0E0; color: var(--c-error); }

/* --- Footer ------------------------------------------------------------- */
.site-footer {
  background: var(--c-primary);
  color: rgba(250, 248, 244, 0.75);
  padding-top: var(--sp-9);
  margin-top: auto;
}
.site-footer h4 { color: white; font-family: var(--ff-sans); font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: var(--sp-4); font-weight: 600; }
.site-footer a:hover { color: var(--c-accent-light); }
.site-footer__grid {
  display: grid; gap: var(--sp-7);
  grid-template-columns: 1.5fr repeat(auto-fit, minmax(160px, 1fr));
}
.site-footer__brand { max-width: 360px; }
.site-footer__brand p { font-size: var(--fs-sm); margin-block: var(--sp-4); }
.site-footer__list { display: flex; flex-direction: column; gap: var(--sp-2); font-size: var(--fs-sm); }
.site-footer__contact { display: flex; flex-direction: column; gap: var(--sp-3); font-size: var(--fs-sm); }
.site-footer__contact-item { display: flex; gap: var(--sp-2); }
.site-footer__contact-item svg { width: 18px; height: 18px; flex-shrink: 0; color: var(--c-accent-light); margin-top: 2px; }

.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--sp-8);
  padding-block: var(--sp-5);
  display: flex; flex-wrap: wrap; gap: var(--sp-4); justify-content: space-between; align-items: center;
  font-size: var(--fs-xs);
}
.site-footer__legal { display: flex; gap: var(--sp-4); flex-wrap: wrap; }

.social-links { display: flex; gap: var(--sp-2); margin-top: var(--sp-4); }
.social-links a {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center;
  transition: background var(--t) var(--ease);
}
.social-links a:hover { background: var(--c-accent); color: var(--c-primary); }
.social-links svg { width: 18px; height: 18px; }

/* --- Page Bien (détail) ------------------------------------------------- */
.bien-hero { padding-block: var(--sp-6) var(--sp-5); }
.bien-gallery { display: grid; grid-template-columns: 1fr; gap: var(--sp-2); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: var(--sp-6); }
@media (min-width: 768px) {
  .bien-gallery { grid-template-columns: 2fr 1fr 1fr; grid-template-rows: 1fr 1fr; }
  .bien-gallery > *:first-child { grid-row: 1 / span 2; }
}
.bien-gallery img, .bien-gallery .bien-gallery__placeholder {
  width: 100%; height: 100%; min-height: 200px; aspect-ratio: 4/3; object-fit: cover; background: var(--c-bg-alt);
}
@media (min-width: 768px) {
  .bien-gallery > *:first-child { aspect-ratio: 3 / 2; }
  .bien-gallery > *:not(:first-child) { aspect-ratio: 4 / 3; }
}

.bien-layout { display: grid; gap: var(--sp-6); grid-template-columns: 1fr; }
@media (min-width: 1024px) { .bien-layout { grid-template-columns: 1fr 360px; } }

.bien-block { background: var(--c-card); padding: var(--sp-6); border-radius: var(--radius-lg); border: 1px solid var(--c-border); margin-bottom: var(--sp-5); }
.bien-block h2 { font-size: var(--fs-xl); margin-bottom: var(--sp-4); }

.bien-key-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: var(--sp-4); padding: var(--sp-5) 0; border-block: 1px solid var(--c-border); margin-bottom: var(--sp-5); }
.bien-key-features__item { text-align: center; }
.bien-key-features__value { font-family: var(--ff-serif); font-size: var(--fs-2xl); color: var(--c-primary); }
.bien-key-features__label { font-size: var(--fs-xs); color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.bien-details-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--sp-3) var(--sp-5); }
.bien-details-grid > div { display: flex; justify-content: space-between; padding: var(--sp-2) 0; border-bottom: 1px dashed var(--c-border); font-size: var(--fs-sm); gap: var(--sp-3); }
.bien-details-grid dt { color: var(--c-text-muted); }
.bien-details-grid dd { font-weight: 600; text-align: right; }

.bien-aside { position: sticky; top: calc(var(--header-h) + var(--sp-4)); height: fit-content; }
.bien-aside__price { font-family: var(--ff-serif); font-size: var(--fs-3xl); color: var(--c-primary); margin-bottom: var(--sp-2); }
.bien-aside__price-detail { font-size: var(--fs-xs); color: var(--c-text-muted); margin-bottom: var(--sp-5); }

/* --- DPE ---------------------------------------------------------------- */
.dpe { display: flex; flex-direction: column; gap: var(--sp-2); margin: var(--sp-3) 0; }
.dpe-row { display: flex; align-items: center; gap: var(--sp-2); }
.dpe-row__label { font-size: var(--fs-xs); width: 50px; color: var(--c-text-muted); }
.dpe-bar { flex: 1; height: 28px; border-radius: var(--radius-sm); display: flex; }
.dpe-bar__seg { flex: 1; display: flex; align-items: center; justify-content: center; font-size: var(--fs-xxs); font-weight: 700; color: white; position: relative; }
.dpe-bar__seg.is-active::after {
  content: ""; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--c-primary);
}

/* --- Filtres / sidebar listing ----------------------------------------- */
.listing-layout { display: grid; gap: var(--sp-6); grid-template-columns: 1fr; }
@media (min-width: 1024px) { .listing-layout { grid-template-columns: 280px 1fr; } }

.filters {
  background: var(--c-card);
  padding: var(--sp-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
}
.filters h3 { font-size: var(--fs-lg); margin-bottom: var(--sp-5); }
.filters__group { margin-bottom: var(--sp-5); padding-bottom: var(--sp-4); border-bottom: 1px solid var(--c-border); }
.filters__group:last-child { border: 0; padding-bottom: 0; }
.filters__group h4 { font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-text-muted); margin-bottom: var(--sp-3); font-family: var(--ff-sans); font-weight: 600; }

.listing-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-5); }
.listing-count { font-size: var(--fs-sm); color: var(--c-text-muted); }
.listing-empty {
  padding: var(--sp-9) var(--sp-5);
  text-align: center;
  background: var(--c-card);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--c-border);
}
.listing-empty h3 { margin-bottom: var(--sp-3); }
.listing-empty p { color: var(--c-text-muted); margin-bottom: var(--sp-5); }

/* --- Breadcrumb --------------------------------------------------------- */
.breadcrumb { padding-block: var(--sp-4); font-size: var(--fs-xs); color: var(--c-text-muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: var(--sp-2); color: var(--c-text-soft); }
.breadcrumb a:hover { color: var(--c-accent); }

/* --- Page intro --------------------------------------------------------- */
.page-intro {
  padding-block: var(--sp-7) var(--sp-6);
  background: linear-gradient(180deg, var(--c-bg-alt) 0%, var(--c-bg) 100%);
  text-align: center;
}
.page-intro h1 { margin-bottom: var(--sp-4); }
.page-intro p { color: var(--c-text-muted); font-size: var(--fs-lg); max-width: 720px; margin-inline: auto; }

/* --- Cookie banner ------------------------------------------------------ */
.cookie-banner {
  position: fixed; bottom: var(--sp-4); left: var(--sp-4); right: var(--sp-4);
  max-width: 480px;
  background: var(--c-card);
  padding: var(--sp-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--c-border);
  z-index: 200;
  display: none;
}
.cookie-banner.is-visible { display: block; }
.cookie-banner h4 { font-size: var(--fs-md); margin-bottom: var(--sp-2); }
.cookie-banner p { font-size: var(--fs-sm); color: var(--c-text-muted); margin-bottom: var(--sp-4); }
.cookie-banner__actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

/* --- Utilities ---------------------------------------------------------- */
.divider { height: 1px; background: var(--c-border); margin-block: var(--sp-6); }
.divider--soft { background: rgba(255,255,255,0.1); }

/* --- Animations --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeIn 0.5s var(--ease) backwards; }

/* --- Print -------------------------------------------------------------- */
@media print {
  .site-header, .site-footer, .nav-toggle, .mobile-nav, .cookie-banner { display: none !important; }
  body { background: white; }
  .bien-aside { position: static; }
  a { color: black; text-decoration: none; }
}