/* =====================================================
   Habitat & Énergies Centre — landing simulateur
   Palette : encre #1C2B3A · sable #F6F1E7 · blé #E9DFC8
             vert énergie #2F7D5B · CTA orange #E8632B
   ===================================================== */

:root {
  --ink: #1c2b3a;
  --ink-soft: #45566b;
  --sand: #f6f1e7;
  --wheat: #e9dfc8;
  --green: #2f7d5b;
  --green-soft: #e3efe8;
  --cta: #e8632b;
  --cta-dark: #c94f1c;
  --white: #ffffff;
  --line: #ddd3c0;
  --radius: 14px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--sand);
  line-height: 1.6;
  font-size: 16px;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3, .brand {
  font-family: var(--font-display);
  line-height: 1.15;
}

h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 700; margin-bottom: 0.75em; }
h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.4em; }

a { color: var(--green); }

/* ---------- Topbar ---------- */
.topbar {
  background: var(--sand);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.topbar-zone {
  font-size: 0.85rem;
  color: var(--ink-soft);
  background: var(--wheat);
  padding: 4px 12px;
  border-radius: 99px;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(47, 125, 91, 0.10), transparent 60%),
    var(--sand);
  padding: 56px 0 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: start;
}
.eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green);
  margin-bottom: 14px;
}
h1 {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}
.hl { color: var(--green); }
.hero-sub {
  font-size: 1.06rem;
  color: var(--ink-soft);
  margin-bottom: 22px;
  max-width: 46ch;
}
.trust-list {
  list-style: none;
  margin-bottom: 28px;
}
.trust-list li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 9px;
}
.trust-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--green);
  -webkit-mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="black" d="M6.5 11.2 3.3 8l1.1-1.1 2.1 2.1 5-5L12.7 5z"/><circle cx="8" cy="8" r="7.3" fill="none" stroke="black" stroke-width="1.4"/></svg>') center/contain no-repeat;
          mask: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16"><path fill="black" d="M6.5 11.2 3.3 8l1.1-1.1 2.1 2.1 5-5L12.7 5z"/><circle cx="8" cy="8" r="7.3" fill="none" stroke="black" stroke-width="1.4"/></svg>') center/contain no-repeat;
}
.hero-cta {
  display: inline-block;
  background: var(--cta);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(232, 99, 43, 0.35);
  transition: background 0.15s ease, transform 0.15s ease;
}
.hero-cta:hover { background: var(--cta-dark); transform: translateY(-1px); }
.hero-cta:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }

/* ---------- Simulateur ---------- */
.sim-wrap { position: relative; }
.sim-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(28, 43, 58, 0.10);
  overflow: hidden;
}
.sim-meter {
  background: var(--ink);
  color: var(--white);
  padding: 18px 22px 20px;
}
.sim-meter-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  opacity: 0.75;
}
.sim-meter-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  margin: 2px 0 10px;
}
.sim-meter-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 99px;
  overflow: hidden;
}
.sim-meter-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--green), #5db98d);
  border-radius: 99px;
  transition: width 0.5s ease;
}
.sim-progress {
  display: flex;
  gap: 5px;
  padding: 14px 22px 0;
}
.sim-progress span {
  flex: 1;
  height: 4px;
  border-radius: 99px;
  background: var(--wheat);
}
.sim-progress span.done { background: var(--green); }
.sim-body { padding: 18px 22px 24px; min-height: 300px; }

/* Transition d'entrée de chaque étape du simulateur */
.step-in { animation: stepIn 0.28s ease both; }
@keyframes stepIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.q-count {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green);
  margin-bottom: 6px;
}

.q-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.q-help { font-size: 0.88rem; color: var(--ink-soft); margin-bottom: 14px; }

.q-options { display: grid; gap: 9px; }
.q-options.cols-2 { grid-template-columns: 1fr 1fr; }
.q-option {
  display: block;
  width: 100%;
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.98rem;
  padding: 13px 16px;
  background: var(--sand);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
  color: var(--ink);
}
.q-option:hover { border-color: var(--green); background: var(--green-soft); }
.q-option:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }
.q-option .opt-sub { display: block; font-size: 0.8rem; color: var(--ink-soft); }

.q-back {
  margin-top: 14px;
  background: none;
  border: none;
  color: var(--ink-soft);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 4px;
}
.q-back:focus-visible { outline: 2px solid var(--green); }

/* Champs texte (coordonnées) */
.q-fields { display: grid; gap: 12px; }
.q-fields .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.field input {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  font-family: var(--font-body);
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--ink);
}
.field input:focus-visible { outline: 3px solid var(--green); outline-offset: 1px; border-color: var(--green); }
.field .field-error {
  display: none;
  font-size: 0.8rem;
  color: #b3341c;
  margin-top: 3px;
}
.field.invalid input { border-color: #b3341c; }
.field.invalid .field-error { display: block; }

.consent {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--ink-soft);
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
.consent input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--green);
  flex-shrink: 0;
}
.consent.invalid { border-color: #b3341c; }

.q-submit {
  width: 100%;
  background: var(--cta);
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  border: none;
  padding: 15px;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(232, 99, 43, 0.3);
  transition: background 0.15s ease;
}
.q-submit:hover { background: var(--cta-dark); }
.q-submit:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.q-submit[disabled] { opacity: 0.6; cursor: wait; }

.q-reassure {
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-soft);
}

.q-restart {
  margin-top: 16px;
  background: none;
  border: 1.5px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.12s ease, color 0.12s ease;
}
.q-restart:hover { border-color: var(--green); color: var(--green); }
.q-restart:focus-visible { outline: 3px solid var(--green); outline-offset: 2px; }

/* Honeypot — invisible pour les humains */
.hp-field { position: absolute; left: -5000px; opacity: 0; pointer-events: none; }

/* Écran résultat */
.result { text-align: center; padding: 10px 0; }
.result-badge {
  display: inline-block;
  background: var(--green-soft);
  color: var(--green);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 5px 14px;
  border-radius: 99px;
  margin-bottom: 12px;
}
.result-amount {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--green);
  margin-bottom: 6px;
}
.result p { font-size: 0.95rem; color: var(--ink-soft); margin-bottom: 10px; }
.result-breakdown {
  list-style: none;
  text-align: left;
  margin: 14px 0 4px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.result-breakdown li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  font-size: 0.86rem;
}
.result-breakdown li + li { border-top: 1px solid var(--line); }
.result-breakdown li span { color: var(--ink-soft); }
.result-breakdown li strong { white-space: nowrap; color: var(--green); }
.result-legal { margin-top: 12px; font-size: 0.78rem !important; }
.result-savings {
  text-align: left;
  background: var(--green-soft);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.86rem;
  color: var(--ink);
  margin-top: 10px;
}
.result-savings strong { color: var(--green); }
.result .result-next {
  background: var(--sand);
  border-radius: 10px;
  padding: 14px;
  font-size: 0.9rem;
  color: var(--ink);
  margin-top: 14px;
}

.sim-footnote {
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 12px;
}

/* ---------- Sections ---------- */
.steps { background: var(--white); padding: 64px 0; }
.steps h2 { text-align: center; margin-bottom: 40px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { text-align: left; }
.step-marker {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--white);
  background: var(--green);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.step p { font-size: 0.94rem; color: var(--ink-soft); }

.aides { padding: 64px 0; }
.aides-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start; }
.aides-copy > p { color: var(--ink-soft); margin-bottom: 18px; }
.aides-list { list-style: none; }
.aides-list li {
  padding: 12px 0 12px 24px;
  border-bottom: 1px solid var(--line);
  position: relative;
  font-size: 0.96rem;
}
.aides-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--cta);
}
.aides-panel {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 28px;
}
.aides-panel-item { padding-bottom: 20px; margin-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.15); }
.aides-panel-num {
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.aides-panel-num strong { font-size: 1.9rem; font-weight: 800; color: #7fd4a8; }
.aides-panel-desc { font-size: 0.88rem; opacity: 0.8; margin-top: 4px; }
.aides-disclaimer { font-size: 0.75rem; opacity: 0.6; }

.local { background: var(--wheat); padding: 56px 0; }
.local-sub { max-width: 70ch; color: var(--ink-soft); margin-bottom: 22px; }
.local-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.local-tags span {
  background: var(--sand);
  border: 1px solid var(--line);
  padding: 5px 14px;
  border-radius: 99px;
  font-size: 0.85rem;
}

.engage { background: var(--white); padding: 64px 0 8px; }
.engage h2 { text-align: center; margin-bottom: 36px; }
.engage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.engage-item {
  background: var(--sand);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}
.engage-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}
.engage-item p { font-size: 0.92rem; color: var(--ink-soft); }

.faq { background: var(--white); padding: 64px 0; }
.faq h2 { margin-bottom: 28px; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 4px 0;
}
.faq summary {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 12px;
  font-size: 1.3rem;
  color: var(--green);
  transition: transform 0.2s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { padding: 0 0 16px; color: var(--ink-soft); font-size: 0.95rem; max-width: 75ch; }

.final-cta {
  background: var(--ink);
  color: var(--white);
  text-align: center;
  padding: 64px 0;
}
.final-cta h2 { margin-bottom: 24px; }

/* ---------- Footer ---------- */
.footer { background: var(--sand); border-top: 1px solid var(--line); padding: 32px 0; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 32px;
  align-items: flex-start;
}
.brand-footer { font-size: 1rem; margin-bottom: 8px; }
.footer-note { font-size: 0.78rem; color: var(--ink-soft); max-width: 55ch; }
.footer-links { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { padding: 36px 0 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-cta { display: block; text-align: center; } /* ancre vers le simulateur juste en dessous */
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .engage-grid { grid-template-columns: 1fr; gap: 16px; }
  .aides-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-inner { flex-direction: column; }
  .q-options.cols-2 { grid-template-columns: 1fr; }
  .q-fields .row-2 { grid-template-columns: 1fr; }
}

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