*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #ffffff;
  color: #111827;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #ffffffee;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e7eb;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  height: 44px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  font-size: 0.8rem;
}

.brand-name {
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.brand-tagline {
  color: #6b7280;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.main-nav a {
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
}

.main-nav a:hover {
  background-color: #f3f4f6;
}

/* Sections */

.section {
  padding: 4rem 0;
}

.section-alt {
  background-color: #f9fafb;
}

.section-title {
  font-size: 1.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-intro {
  max-width: 640px;
  color: #4b5563;
  margin-bottom: 2rem;
}

/* Hero */

.hero {
  padding-top: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 2.4rem;
  margin: 0 0 0.75rem;
}

.hero-text h1 span {
  font-size: 1.6rem;
  font-weight: 600;
  color: #16a34a;
}

.hero-slogan {
  font-size: 1.1rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 0.5rem;
}

.hero-text p {
  color: #4b5563;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
}

.hero-contact {
  display: flex;
  flex-direction: column;
  font-size: 0.95rem;
  color: #111827;
}

.hero-phone {
  font-weight: 700;
}

.hero-area {
  color: #6b7280;
}

.hero-side {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  background: #f9fafb;
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.hero-card p {
  margin-bottom: 0.75rem;
  color: #4b5563;
}

.hero-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.hero-list li::before {
  content: "✔";
  color: #16a34a;
  margin-right: 0.35rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  border-radius: 9999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(22, 163, 74, 0.35);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

/* Alerts */

.alert {
  display: none;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert.show {
  display: block;
}

.alert-success {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.alert-error {
  background-color: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* Cards */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.card p {
  margin-bottom: 0.75rem;
  color: #4b5563;
}

.card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.95rem;
  display: grid;
  gap: 0.35rem;
}

.card ul li::before {
  content: "•";
  color: #16a34a;
  margin-right: 0.4rem;
}

/* Pricing */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.5rem;
}

.pricing-card {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem 1.5rem 1.25rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
}

.pricing-card h3 {
  margin-top: 0;
}

.price {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0.75rem 0;
  color: #16a34a;
}

.price span {
  font-size: 0.95rem;
  color: #6b7280;
}

.pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  display: grid;
  gap: 0.35rem;
}

.pricing-card ul li::before {
  content: "•";
  color: #16a34a;
  margin-right: 0.4rem;
}

.note {
  font-size: 0.85rem;
  color: #6b7280;
}

/* Avant / Après */

.before-after-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.before-after-card {
  border-radius: 0.85rem;
  padding: 1.25rem;
  border: 1px dashed #d1d5db;
  background: #f9fafb;
  text-align: center;
  font-size: 0.95rem;
  color: #4b5563;
}

.before-after-card .label {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #111827;
}

/* Formulaire */

.form-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr);
  gap: 2rem;
  align-items: flex-start;
}

.contact-info h3 {
  margin-top: 0;
}

.contact-info p {
  margin: 0 0 0.5rem;
  color: #4b5563;
}

.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
}

.contact-info ul li::before {
  content: "•";
  color: #16a34a;
  margin-right: 0.4rem;
}

.contract-form {
  background: #ffffff;
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
}

.field {
  margin-bottom: 0.9rem;
}

.field label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 0.5rem;
  border: 1px solid #d1d5db;
  font: inherit;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid #16a34a;
  outline-offset: 1px;
  border-color: #16a34a;
}

.bacs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

/* Footer */

.site-footer {
  margin-top: 3rem;
  padding: 2rem 0 1.5rem;
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
  font-size: 0.9rem;
  color: #4b5563;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.footer-bottom {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: #9ca3af;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-grid,
  .cards-grid,
  .pricing-grid,
  .before-after-grid,
  .form-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .cards-grid,
  .pricing-grid,
  .before-after-grid {
    gap: 1rem;
  }

  .main-nav {
    display: none;
  }

  .hero {
    padding-top: 4rem;
  }
}

@media (max-width: 600px) {
  .hero-text h1 {
    font-size: 2rem;
  }

  .section {
    padding: 3rem 0;
  }
}