:root {
      --orange: #f28c28;
      --orange-dark: #d97706;
      --charcoal: #222222;
      --text: #333333;
      --muted: #6b7280;
      --bg: #f7f7f5;
      --white: #ffffff;
      --line: #e8e2da;
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
        background:
    radial-gradient(circle at top left, rgba(0, 0, 0, 0.04), transparent 32%),
    linear-gradient(180deg, #f7f4ef 0%, #f3efe8 100%);
      color: var(--text);
      line-height: 1.6;
    }

    .hero {
      background: linear-gradient(135deg, rgba(34,34,34,0.96), rgba(34,34,34,0.88)),
        url('https://images.unsplash.com/photo-1505693416388-ac5ce068fe85?auto=format&fit=crop&w=1600&q=80') center/cover;
      color: var(--white);
      padding: 28px 20px 72px;
    }

    .container {
      max-width: 1080px;
      margin: 0 auto;
      
    }

    .topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 56px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      letter-spacing: 0.02em;
      color: var(--white);
      text-decoration: none;
    }

    .brand-mark {
      width: 12px;
      height: 12px;
      background: var(--orange);
      border-radius: 50%;
      flex: 0 0 12px;
    }

    .tag {
      display: inline-block;
      padding: 8px 14px;
      border-radius: 999px;
      background: rgba(242, 140, 40, 0.14);
      border: 1px solid rgba(242, 140, 40, 0.35);
      color: #ffd8ad;
      font-size: 14px;
      margin-bottom: 18px;
    }

    h1 {
      margin: 0;
      font-size: clamp(34px, 6vw, 62px);
      line-height: 1.05;
      max-width: 880px;
    }

    .subtitle {
      max-width: 760px;
      font-size: 18px;
      color: rgba(255,255,255,0.88);
      margin: 22px 0 30px;
    }

    .cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 8px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 52px;
      padding: 0 22px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: 700;
      transition: 0.2s ease;
    }

    .btn-primary {
      background: var(--orange);
      color: var(--white);
    }

    .btn-primary:hover { background: var(--orange-dark); }

    .btn-secondary {
      background: transparent;
      color: var(--white);
      border: 1px solid rgba(255,255,255,0.26);
    }

    .btn-secondary:hover { background: rgba(255,255,255,0.08); }

    .main {
      padding: 0 20px 64px;
      margin-top: -34px;
    }

    .card {
      background: var(--white);
      border-radius: 18px;
      box-shadow: 0 18px 50px rgba(0,0,0,0.08);
      overflow: hidden;
      border: 1px solid rgba(0,0,0,0.03);
    }

    .intro-grid {
      display: grid;
      grid-template-columns: 1.5fr 0.9fr;
      gap: 0;
    }

    .content {
      padding: 42px;
    }

    .content p {
      margin: 0 0 18px;
      font-size: 17px;
    }

    .content p:last-child { margin-bottom: 0; }

    .content strong { color: var(--charcoal); }

    .aside {
      background: #faf7f2;
      border-left: 1px solid var(--line);
      padding: 42px 34px;
    }

    .aside h2 {
      margin: 0 0 18px;
      font-size: 24px;
      color: var(--charcoal);
    }

    .stats {
      display: grid;
      gap: 14px;
    }

    .stat {
      background: var(--white);
      border: 1px solid var(--line);
      border-radius: 14px;
      padding: 18px;
    }

    .stat-number {
      font-size: 28px;
      font-weight: 800;
      color: var(--orange-dark);
      margin-bottom: 6px;
    }

    .stat-label {
      font-size: 15px;
      color: var(--muted);
    }

    .section {
      margin-top: 22px;
    }

    .section-inner {
      background: var(--white);
      border-radius: 18px;
      padding: 38px 42px;
      border: 1px solid rgba(0,0,0,0.04);
    }

    .section h3 {
      margin: 0 0 18px;
      font-size: 28px;
      color: var(--charcoal);
    }

    .bullets {
      display: grid;
      gap: 14px;
      padding: 0;
      margin: 0;
      list-style: none;
    }

    .bullets li {
      position: relative;
      padding-left: 22px;
      font-size: 16px;
    }

    .bullets li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--orange);
    }

    .final-cta {
      margin-top: 22px;
      background: linear-gradient(135deg, #2b2b2b, #1d1d1d);
      color: var(--white);
      border-radius: 18px;
      padding: 40px 42px;
    }

    .final-cta h3 {
      margin: 0 0 12px;
      font-size: 30px;
    }

    .final-cta p {
      margin: 0 0 24px;
      max-width: 760px;
      color: rgba(255,255,255,0.86);
      font-size: 17px;
    }

    .footer-note {
      margin-top: 18px;
      font-size: 13px;
      color: rgba(255,255,255,0.6);
    }

    @media (max-width: 860px) {
      .intro-grid {
        grid-template-columns: 1fr;
      }

      .aside {
        border-left: none;
        border-top: 1px solid var(--line);
      }

      .content,
      .aside,
      .section-inner,
      .final-cta {
        padding: 28px 22px;
      }

      .topbar {
        margin-bottom: 34px;
      }

      .subtitle,
      .content p,
      .final-cta p {
        font-size: 16px;
      }
    }

   .estimation {
  position: relative;
  padding: 96px 20px;
  overflow: hidden;
}

.estimation::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
 
}

.estimation .container {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
}

.estimation-head {
  max-width: 760px;
  margin: 0 auto 34px;
  text-align: center;
}

.estimation-head h2 {
  margin: 0 0 14px;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #111111;
}

.estimation-head p {
  margin: 0 auto;
  max-width: 640px;
  font-size: 18px;
  line-height: 1.6;
  color: #5e5a55;
}

.form-estimation {
  position: relative;
  max-width: 920px;
  margin: 0 auto;
  padding: 34px;
  border: 1px solid rgba(17, 17, 17, 0.06);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.05),
    0 30px 60px rgba(0, 0, 0, 0.08);
}

.form-estimation::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  padding: 1px;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.10),
    rgba(0, 0, 0, 0.02),
    rgba(0, 0, 0, 0.08)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

.form-estimation .grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-estimation .field {
  display: flex;
  flex-direction: column;
}

.form-estimation .field label {
  margin-bottom: 9px;
  font-size: 14px;
  font-weight: 700;
  color: #1e1e1e;
  letter-spacing: 0.01em;
}

.form-estimation input,
.form-estimation select {
  width: 100%;
  height: 58px;
  padding: 0 18px;
  border: 1px solid #ddd7cf;
  border-radius: 16px;
  background: #fcfbf9;
  font-size: 15px;
  color: #181818;
  outline: none;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background 0.2s ease,
    transform 0.2s ease;
  appearance: none;
}

.form-estimation input::placeholder {
  color: #9a948d;
}

.form-estimation input:hover,
.form-estimation select:hover {
  border-color: #cfc6bc;
  background: #ffffff;
}

.form-estimation input:focus,
.form-estimation select:focus {
  border-color: #111111;
  background: #ffffff;
  box-shadow: 0 0 0 5px rgba(17, 17, 17, 0.07);
  transform: translateY(-1px);
}

/* Select custom arrow */
.form-estimation select {
  background-image:
    linear-gradient(45deg, transparent 50%, #222 50%),
    linear-gradient(135deg, #222 50%, transparent 50%);
  background-position:
    calc(100% - 22px) calc(50% - 3px),
    calc(100% - 16px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}

/* Champ pleine largeur si besoin */
.form-estimation .field.full {
  grid-column: 1 / -1;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 16px 18px;
  border: 1px solid #ece6de;
  border-radius: 16px;
  background: #faf8f5;
  font-size: 14px;
  line-height: 1.5;
  color: #55514b;
}

.custom-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
}

.custom-checkbox input {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid #111;
  border-radius: 6px;
  position: relative;
  flex-shrink: 0;
}

.custom-checkbox input:checked + .checkmark {
  background: #111;
}

.custom-checkbox input:checked + .checkmark::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 12px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Bloc réassurance */
.form-reassurance {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 0 0 24px;
}

.form-reassurance span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.04);
  border: 1px solid rgba(17, 17, 17, 0.06);
  font-size: 13px;
  font-weight: 600;
  color: #2e2b27;
}

.form-estimation button {
  position: relative;
  width: 100%;
  height: 60px;
  margin-top: 22px;
  border: none;
  border-radius: 18px;
  background: linear-gradient(180deg, #1e1e1e 0%, #0d0d0d 100%);
  color: #ffffff;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow:
    0 14px 24px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
}

.form-estimation button:hover {
  transform: translateY(-2px);
  box-shadow:
    0 18px 30px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.form-estimation button:active {
  transform: translateY(0);
}

.form-estimation button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow:
    0 8px 18px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.form-message {
  margin-top: 14px;
  min-height: 22px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.form-helper {
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  line-height: 1.5;
  color: #7a756e;
}

/* Animation légère d’apparition */
.form-estimation,
.estimation-head {
  animation: fadeUp 0.7s ease both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 900px) {
  .estimation {
    padding: 76px 18px;
  }

  .form-estimation {
    padding: 26px;
    border-radius: 24px;
  }
}

@media (max-width: 768px) {
  .form-estimation .grid {
    grid-template-columns: 1fr;
  }

  .estimation-head {
    margin-bottom: 26px;
  }

  .estimation-head h2 {
    font-size: 34px;
  }

  .estimation-head p {
    font-size: 16px;
  }

  .form-estimation {
    padding: 20px;
  }

  .form-estimation input,
  .form-estimation select,
  .form-estimation button {
    height: 54px;
  }

  .consent {
    padding: 14px;
  }
}