:root {
  --primary-color: #16a34a;
  --primary-dark: #15803d;
  --text-color: #374151;
  --text-light: #6b7280;
  --bg-color: #ffffff;
  --bg-light: #f9fafb;
  --bg-tint: #f0fdf4;
  --border-color: #e5e7eb;
  --container-width: 1100px;
  --container-narrow: 700px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s;
}

ul {
  list-style: none;
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: var(--container-narrow);
}

.site-header {
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  background: white;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.main-nav ul {
  display: flex;
  gap: 2rem;
}

.main-nav a {
  font-weight: 500;
  color: var(--text-color);
}

.main-nav a:hover,
.main-nav li.active a {
  color: var(--primary-color);
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.lang {
  color: var(--text-light);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
}

.lang.active {
  background-color: var(--primary-color);
  color: white;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-color);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--text-color);
  left: 0;
}

.hamburger::before { top: -6px; }
.hamburger::after { bottom: -6px; }

.site-main {
  min-height: 80vh;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 7rem 0 6rem;
  background:
    radial-gradient(circle at 12% 22%, rgba(22,163,74,.12) 0, rgba(22,163,74,0) 42%),
    radial-gradient(circle at 88% 12%, rgba(21,128,61,.14) 0, rgba(21,128,61,0) 38%),
    radial-gradient(circle at 78% 88%, rgba(22,163,74,.10) 0, rgba(22,163,74,0) 46%),
    linear-gradient(175deg, #f0fdf4 0%, #ffffff 65%);
  text-align: center;
}

.hero-deco {
  position: absolute;
  width: 120px;
  height: 120px;
  color: var(--primary-color);
  opacity: .09;
  pointer-events: none;
}

.hero-deco-1 { top: 6%; left: 6%; transform: rotate(-15deg); }
.hero-deco-2 { bottom: 8%; right: 7%; width: 150px; height: 150px; transform: rotate(20deg); }

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .78rem;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(22, 163, 74, 0.10);
  border: 1px solid rgba(22, 163, 74, 0.25);
  border-radius: 999px;
  padding: .4rem 1rem;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 2rem;
}

.hero-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 2.5rem;
}

.hero-tag {
  font-size: .82rem;
  font-weight: 600;
  color: var(--primary-dark);
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: .4rem 1.1rem;
  box-shadow: 0 3px 10px rgba(22, 163, 74, 0.08);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: 1px solid var(--primary-color);
  background-color: var(--primary-color);
  color: white;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.trust-bar {
  background: var(--bg-tint);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 2.75rem 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.trust-item strong {
  display: block;
  font-size: 2.1rem;
  color: var(--primary-color);
  margin-bottom: .25rem;
}

.trust-item span {
  color: var(--text-light);
  font-size: .9rem;
}

.section {
  padding: 5rem 0;
}

.section-features {
  position: relative;
  background: var(--bg-tint);
  overflow: hidden;
}

.section-title {
  text-align: center;
  font-size: 2.25rem;
  margin-bottom: 3rem;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-top: -2.5rem;
  margin-bottom: 4rem;
}

.features-grid, .services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  position: relative;
  padding: 2.5rem;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  text-align: center;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 46px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: var(--primary-color);
  opacity: .85;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px -5px rgba(22, 163, 74, 0.18);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.10);
  color: var(--primary-color);
}

.feature-icon svg {
  width: 30px;
  height: 30px;
}

.feature-title {
  margin-bottom: 1rem;
}

.section-services {
  position: relative;
  background: var(--bg-tint);
}

.service-card {
  background: white;
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 1rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 30px -5px rgba(22, 163, 74, 0.18);
}

.service-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(22, 163, 74, 0.10);
  color: var(--primary-color);
}

.service-icon svg {
  width: 26px;
  height: 26px;
}

.service-content {
  padding: 2rem;
  flex-grow: 1;
}

.service-title {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.service-text {
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.service-details {
  margin-bottom: 2rem;
}

.service-details li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.service-details li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.cta {
  background-color: var(--primary-color);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

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

.cta .btn:hover {
  background-color: #f3f4f6;
}

.page-header {
  background: var(--bg-tint);
  border-bottom: 1px solid var(--border-color);
  padding: 3.5rem 0;
}

.page-header .section-title {
  margin-bottom: .75rem;
}

.page-header .section-subtitle {
  margin-top: 0;
  margin-bottom: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.contact-info {
  background: var(--primary-color);
  color: white;
  border-radius: 1rem;
  padding: 2.5rem;
}

.contact-info h3 {
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.info-item {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.info-item:last-child {
  margin-bottom: 0;
}

.info-item svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
  opacity: .9;
}

.info-item strong {
  display: block;
  margin-bottom: .15rem;
  font-size: .95rem;
}

.info-item span {
  color: rgba(255, 255, 255, .85);
  font-size: .9rem;
  line-height: 1.5;
}

.contact-form {
  background: var(--bg-light);
  padding: 3rem;
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.contact-map {
  position: relative;
  margin-top: 1.75rem;
  aspect-ratio: 16 / 9;
  border-radius: .75rem;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(255,255,255,.20) 0%, rgba(255,255,255,.04) 100%);
  border: 1px solid rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-map svg {
  width: 30px;
  height: 30px;
  color: white;
  opacity: .9;
}

.contact-map span {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: .78rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
}

/* Étapes de la première consultation */
.section-steps {
  background: var(--bg-color);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.step-card {
  text-align: center;
  padding: 1.5rem;
}

.step-number {
  width: 46px;
  height: 46px;
  margin: 0 auto 1.1rem;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
}

.step-title {
  margin-bottom: .5rem;
}

.step-text {
  color: var(--text-light);
  font-size: .92rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.1);
}

.alert {
  padding: 1rem;
  border-radius: 0.5rem;
  margin-bottom: 2rem;
  font-weight: 500;
}

.alert-success {
  background-color: #dcfce7;
  color: #166534;
}

.alert-error {
  background-color: #fee2e2;
  color: #991b1b;
}

.site-footer {
  padding: 4rem 0;
  background-color: var(--bg-light);
  border-top: 1px solid var(--border-color);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer-copy {
  color: var(--text-light);
  font-size: 0.875rem;
}

.footer-nav ul {
  display: flex;
  gap: 2rem;
}

.footer-nav a {
  color: var(--text-light);
}

.footer-nav a:hover {
  color: var(--primary-color);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}