/* ── CEE Calculateurs — Feenr.fr — Styles partagés ─────────────────────────── */
:root {
  --sable: #f5f0e8; --sable2: #ece7df; --sable3: #e2dbd0;
  --ink: #2a2318; --ink2: #6b6054; --ink3: #a89e8c;
  --canard: #0a6b7c; --canard-light: rgba(10,107,124,.08); --canard-r: #4ab0c2;
  --white: #ffffff; --border: rgba(42,35,24,.08);
  --font-d: 'Manrope', sans-serif; --font-b: 'DM Sans', sans-serif;
  --green: #1a7f4e; --green-light: rgba(26,127,78,.08);
  --orange: #c05c1a; --orange-light: rgba(192,92,26,.08);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-b); background: var(--sable); color: var(--ink); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }

/* ── NAV ── */
.logo { font-family: var(--font-d); font-weight: 200; letter-spacing: -1px; text-decoration: none; display: inline-flex; align-items: center; gap: 5px; color: var(--ink); }
.logo .bar { border-radius: 1px; background: var(--canard); flex-shrink: 0; }
.logo .r { color: var(--canard-r); }
.logo-sm { font-size: 20px; }
.logo-sm .bar { width: 2px; height: 15px; }
nav { position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 48px; height: 64px; background: rgba(245,240,232,.92); backdrop-filter: blur(12px); border-bottom: 0.5px solid var(--border); }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { font-size: 14px; color: var(--ink2); text-decoration: none; font-weight: 400; transition: color .2s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--canard); font-weight: 500; }
.nav-cta { background: var(--canard); color: var(--white); border: none; border-radius: 8px; padding: 9px 20px; font-size: 14px; font-weight: 500; font-family: var(--font-b); cursor: pointer; transition: opacity .2s, transform .15s; text-decoration: none; }
.nav-cta:hover { opacity: .88; transform: translateY(-1px); }

/* ── HERO ── */
.page-hero { background: var(--white); border-bottom: 0.5px solid var(--border); padding: 0 48px; display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; overflow: hidden; }
.page-hero-inner { flex: 1; padding: 52px 0 48px; min-width: 0; max-width: 620px; }
.page-header-character { flex-shrink: 0; width: 260px; height: auto; display: block; filter: drop-shadow(4px 8px 20px rgba(42,35,24,.12)); animation: breathe 5s ease-in-out infinite; transform-origin: bottom center; }
@keyframes breathe { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--ink3); margin-bottom: 24px; }
.breadcrumb a { color: var(--ink3); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--canard); }
.breadcrumb-sep { font-size: 10px; }
.fiche-badge { display: inline-flex; align-items: center; gap: 7px; background: var(--canard-light); color: var(--canard); border-radius: 20px; padding: 5px 14px; font-size: 12px; font-weight: 600; margin-bottom: 18px; border: 0.5px solid rgba(10,107,124,.2); letter-spacing: .04em; }
.page-hero h1 { font-family: var(--font-d); font-size: clamp(24px, 3vw, 38px); font-weight: 200; line-height: 1.15; letter-spacing: -.025em; color: var(--ink); margin-bottom: 14px; }
.page-hero h1 em { font-style: normal; color: var(--canard); }
.page-hero-sub { font-size: 15px; color: var(--ink2); line-height: 1.65; font-weight: 300; max-width: 560px; }
.hero-meta { display: flex; gap: 24px; margin-top: 28px; padding-top: 24px; border-top: 0.5px solid var(--border); flex-wrap: wrap; }
.hero-meta-item { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--ink3); }
.hero-meta-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--canard); }

/* ── LAYOUT ── */
.calc-layout { max-width: 860px; margin: 0 auto; padding: 48px 48px 80px; display: grid; grid-template-columns: 1fr 340px; gap: 28px; align-items: start; }

/* ── FORM CARD ── */
.calc-card { background: var(--white); border: 0.5px solid var(--border); border-radius: 20px; overflow: hidden; box-shadow: 0 4px 24px rgba(42,35,24,.06); }
.calc-card-header { background: var(--canard); padding: 22px 28px; }
.calc-card-header-label { font-size: 10px; font-weight: 600; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 5px; }
.calc-card-header-title { font-family: var(--font-d); font-size: 17px; font-weight: 300; color: var(--white); line-height: 1.3; }
.calc-section { padding: 24px 28px; border-bottom: 0.5px solid var(--border); }
.calc-section:last-of-type { border-bottom: none; }
.calc-section-title { font-size: 11px; font-weight: 600; color: var(--canard); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.calc-section-title::after { content: ''; flex: 1; height: 0.5px; background: var(--border); }

/* ── FIELDS ── */
.field-group { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 12px; font-weight: 500; color: var(--ink2); }
.field-hint { font-size: 11px; color: var(--ink3); line-height: 1.5; }
.field input[type=number], .field select { width: 100%; padding: 10px 13px; border: 0.5px solid var(--border); border-radius: 9px; font-size: 13px; font-family: var(--font-b); color: var(--ink); background: var(--sable); outline: none; transition: border-color .2s, background .2s; appearance: none; -webkit-appearance: none; }
.field input[type=number]:focus, .field select:focus { border-color: var(--canard); background: var(--white); }
.field input[type=number]::placeholder { color: var(--ink3); }
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a89e8c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 13px center; padding-right: 36px; }
.input-unit { position: relative; }
.input-unit input { padding-right: 52px; }
.input-unit-label { position: absolute; right: 13px; top: 50%; transform: translateY(-50%); font-size: 11px; font-weight: 600; color: var(--ink3); pointer-events: none; }

/* ── TOGGLES (radios stylés) ── */
.toggle-group { display: flex; flex-direction: column; gap: 8px; }
.toggle-item { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; padding: 11px 13px; border: 0.5px solid var(--border); border-radius: 9px; transition: all .15s; background: var(--sable); }
.toggle-item:has(input:checked) { border-color: var(--canard); background: var(--canard-light); }
.toggle-item input[type=radio] { accent-color: var(--canard); width: 15px; height: 15px; flex-shrink: 0; cursor: pointer; margin-top: 2px; }
.toggle-item-label { font-size: 13px; color: var(--ink); line-height: 1.3; font-weight: 500; }
.toggle-item-sub { font-size: 11px; color: var(--ink2); margin-top: 2px; }

/* ── ELIGIBILITÉ ── */
.eligibility-grid { display: flex; flex-direction: column; gap: 8px; }
.elig-item { display: flex; align-items: flex-start; gap: 10px; padding: 11px 13px; border: 0.5px solid var(--border); border-radius: 9px; background: var(--sable); cursor: pointer; transition: all .15s; }
.elig-item:has(input:checked) { border-color: var(--green); background: var(--green-light); }
.elig-item input[type=checkbox] { accent-color: var(--green); width: 15px; height: 15px; flex-shrink: 0; margin-top: 1px; cursor: pointer; }
.elig-label { font-size: 12px; color: var(--ink); line-height: 1.45; }

/* ── INÉLIGIBILITÉ ── */
.inelig-banner { display: none; background: var(--orange-light); border: 0.5px solid rgba(192,92,26,.25); border-radius: 12px; padding: 16px 20px; margin-top: 12px; }
.inelig-banner.visible { display: block; }
.inelig-banner-title { font-size: 13px; font-weight: 500; color: var(--orange); margin-bottom: 6px; }
.inelig-banner-text { font-size: 12px; color: var(--ink2); line-height: 1.6; }

/* ── CTA ── */
.calc-cta { padding: 20px 28px 24px; }
.btn-calc { width: 100%; background: var(--canard); color: var(--white); border: none; border-radius: 10px; padding: 14px; font-size: 15px; font-weight: 500; font-family: var(--font-b); cursor: pointer; transition: opacity .2s, transform .15s; display: flex; align-items: center; justify-content: center; gap: 8px; }
.btn-calc:hover { opacity: .88; transform: translateY(-1px); }
.btn-calc:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.btn-reset { width: 100%; background: transparent; color: var(--ink3); border: none; font-size: 12px; font-family: var(--font-b); cursor: pointer; margin-top: 10px; padding: 6px; transition: color .2s; }
.btn-reset:hover { color: var(--ink2); }

/* ── PANNEAU RÉSULTAT ── */
.result-panel { display: flex; flex-direction: column; gap: 16px; position: sticky; top: 88px; }
.result-card { background: var(--white); border: 0.5px solid var(--border); border-radius: 20px; overflow: hidden; box-shadow: 0 4px 24px rgba(42,35,24,.06); }
.result-card.has-result { border-color: rgba(10,107,124,.3); box-shadow: 0 4px 32px rgba(10,107,124,.1); }
.result-placeholder { padding: 32px 24px; text-align: center; }
.result-placeholder-icon { font-size: 32px; margin-bottom: 12px; opacity: .4; }
.result-placeholder-text { font-size: 13px; color: var(--ink3); line-height: 1.6; }
.result-content { display: none; }
.result-content.visible { display: block; }
.result-header { background: var(--canard); padding: 20px 24px; }
.result-header-label { font-size: 10px; font-weight: 600; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .12em; margin-bottom: 6px; }
.result-main-value { font-family: var(--font-d); font-size: 36px; font-weight: 200; color: var(--white); line-height: 1; letter-spacing: -2px; }
.result-main-unit { font-size: 13px; color: rgba(255,255,255,.7); margin-top: 4px; font-weight: 300; }

/* ── FORMULE ── */
.result-detail { padding: 16px 24px; background: var(--sable); border-top: 0.5px solid var(--border); }
.result-detail-title { font-size: 10px; font-weight: 600; color: var(--ink3); text-transform: uppercase; letter-spacing: .1em; margin-bottom: 10px; }
.result-formula { font-size: 12px; color: var(--ink2); line-height: 1.7; font-family: monospace; background: var(--white); border: 0.5px solid var(--border); border-radius: 8px; padding: 10px 12px; white-space: pre; }

/* ── FORMULAIRE CONTACT ── */
.result-contact { padding: 20px 24px; display: flex; flex-direction: column; gap: 14px; }
.rc-field { display: flex; flex-direction: column; gap: 5px; }
.rc-label { font-size: 11px; font-weight: 600; color: var(--ink2); letter-spacing: .02em; }
.rc-required { color: var(--canard); }
.rc-optional { font-weight: 400; color: var(--ink3); font-size: 10px; }
.rc-input { width: 100%; padding: 9px 12px; border: 0.5px solid var(--border); border-radius: 8px; font-size: 13px; font-family: var(--font-b); color: var(--ink); background: var(--sable); outline: none; transition: border-color .2s, background .2s; }
.rc-input:focus { border-color: var(--canard); background: var(--white); box-shadow: 0 0 0 3px rgba(10,107,124,.07); }
.rc-input::placeholder { color: var(--ink3); }
.rc-delai-row { display: flex; gap: 8px; }
.rc-delai-row .rc-input { flex: 1; }
.rc-select { padding: 9px 28px 9px 12px; border: 0.5px solid var(--border); border-radius: 8px; font-size: 13px; font-family: var(--font-b); color: var(--ink); background: var(--sable); outline: none; cursor: pointer; appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a89e8c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; transition: border-color .2s; }
.rc-select:focus { border-color: var(--canard); }
.rc-profil-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.rc-radio-card { display: flex; flex-direction: column; gap: 3px; padding: 12px 14px; border: 0.5px solid var(--border); border-radius: 10px; background: var(--sable); cursor: pointer; transition: border-color .2s, background .2s; }
.rc-radio-card:hover { border-color: var(--canard); background: var(--white); }
.rc-radio-card input[type=radio] { display: none; }
.rc-radio-card:has(input:checked) { border-color: var(--canard); background: var(--canard-light); }
.rc-radio-title { font-size: 13px; font-weight: 500; color: var(--ink); }
.rc-radio-sub { font-size: 11px; color: var(--ink3); }
.rc-submit { width: 100%; background: var(--canard); color: var(--white); border: none; border-radius: 9px; padding: 12px; font-size: 13px; font-weight: 500; font-family: var(--font-b); cursor: pointer; transition: opacity .2s, transform .15s; margin-top: 4px; }
.rc-submit:hover { opacity: .88; transform: translateY(-1px); }
.rc-submit:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.rc-success { display: none; font-size: 12px; color: var(--canard); font-weight: 500; padding: 10px 14px; background: var(--canard-light); border-radius: 8px; border: 0.5px solid rgba(10,107,124,.2); }

/* ── INFO CARD ── */
.info-card { background: var(--white); border: 0.5px solid var(--border); border-radius: 16px; padding: 20px; }
.info-card-title { font-size: 13px; font-weight: 500; color: var(--ink); margin-bottom: 12px; display: flex; align-items: center; gap: 7px; }
.info-card-title-icon { width: 24px; height: 24px; border-radius: 6px; background: var(--canard-light); display: flex; align-items: center; justify-content: center; font-size: 11px; color: var(--canard); flex-shrink: 0; }
.info-list { display: flex; flex-direction: column; gap: 7px; }
.info-list-item { font-size: 12px; color: var(--ink2); line-height: 1.5; display: flex; gap: 7px; }
.info-list-item::before { content: '→'; color: var(--canard); flex-shrink: 0; font-size: 11px; margin-top: 1px; }

/* ── FOOTER ── */
footer { background: var(--ink); color: rgba(245,240,232,.35); padding: 40px 48px; display: flex; justify-content: space-between; align-items: center; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { font-size: 13px; color: rgba(245,240,232,.3); text-decoration: none; transition: color .2s; }
.footer-links a:hover { color: rgba(245,240,232,.65); }
.footer-copy { font-size: 12px; }

/* ── UTILITAIRES OPTIONNELS ── */
/* Grille 2 colonnes (ex: classe énergétique BAT-EQ-134) */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
/* Rangées type/longueur (ex: BAT-EQ-125) */
.type-rows { display: flex; flex-direction: column; gap: 10px; }
.type-row { display: grid; grid-template-columns: 1fr 140px; gap: 10px; align-items: center; padding: 12px 13px; border: 0.5px solid var(--border); border-radius: 9px; background: var(--sable); }
.type-row-label { font-size: 13px; color: var(--ink); font-weight: 500; }
.type-row-sub { font-size: 11px; color: var(--ink2); margin-top: 2px; }
/* Preview de coefficient (ex: BAT-EQ-130) */
.coef-preview { display: none; background: var(--canard-light); border: 0.5px solid rgba(10,107,124,.2); border-radius: 10px; padding: 12px 14px; margin-top: 12px; font-size: 13px; color: var(--canard); font-weight: 500; }
.coef-preview.visible { display: block; }

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .page-hero { padding: 36px 20px 0; flex-direction: column-reverse; align-items: center; gap: 0; }
  .page-header-character { width: 160px; }
  .page-hero-inner { padding: 0 0 32px; }
  .calc-layout { grid-template-columns: 1fr; padding: 24px 20px 60px; }
  .result-panel { position: static; }
  footer { flex-direction: column; gap: 20px; text-align: center; }
}