:root {
  --color-primary: #78B6BC; /* vert principal */
  --color-secondary: #FFF6EA; /* fond beige */
  --color-dark: #1f1d2b;
  --color-muted: #5a5a5a;
  --color-light: #ffffff;

  --font-heading: 'Playfair Display', 'Georgia', serif;
  --font-body: 'Nunito', 'Helvetica Neue', Arial, sans-serif;

  --shadow-soft: 0 20px 40px rgba(120, 182, 188, 0.15);
}

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

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-light);
  line-height: 1.7;
  font-size: 16px;
}

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

a:hover,
button:hover {
  opacity: 0.92;
}

img {
  max-width: 100%;
  display: block;
  border-radius: 16px;
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(31, 29, 43, 0.05);
  z-index: 1000;
}
header nav .btn {
  background: var(--color-primary);
  color: var(--color-light) !important;
}
.container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2vw, 2rem);
  color: var(--color-primary);
  letter-spacing: 1px;
}

/* NAVIGATION */
nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav a {
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

nav a:hover,
nav a:focus {
  color: var(--color-primary);
}

nav .btn {
  color: var(--color-light);
}

/* MAIN */
main {
  padding-top: 90px;
}

/* HERO */
.hero {
  position: relative;
  padding: clamp(4rem, 10vw, 7rem) 0;
  background: linear-gradient(
    120deg,
    rgba(120, 182, 188, 0.12),
    rgba(255, 246, 234, 0.7)
  );
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(2rem, 6vw, 4rem);
  align-items: center;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

/* BADGE */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-secondary);
  color: var(--color-primary);
  padding: 0.4rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: var(--color-primary);
  color: var(--color-light);
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.4px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(120, 182, 188, 0.25);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow: none;
}

.btn-light {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* SECTIONS */
.section {
  padding: clamp(3.5rem, 9vw, 5rem) 0;
}

.section h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 2.6rem);
  text-align: center;
  margin-bottom: 1rem;
}

.section .section-subtitle {
  text-align: center;
  color: var(--color-muted);
  max-width: 680px;
  margin: 0.5rem auto 3rem auto;
  font-size: 1rem;
}

.highlight {
  background: var(--color-secondary);
}

/* CARDS */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--color-light);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.card p {
  color: var(--color-muted);
}

/* FEATURES */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.5rem;
}

.feature-item {
  background: var(--color-light);
  border-radius: 20px;
  padding: 1.8rem;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.feature-item::before {
  content: '❤';
  font-size: 1.3rem;
  color: var(--color-primary);
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  opacity: 0.4;
}

/* TESTIMONIALS */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.8rem;
}

.testimonial {
  background: var(--color-light);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.testimonial p {
  font-style: italic;
}

.testimonial span {
  font-weight: 700;
  color: var(--color-primary);
}

/* CONTACT CARD */
.contact-card {
  background: var(--color-secondary);
  border-radius: 24px;
  padding: clamp(2rem, 6vw, 3rem);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  align-items: center;
}

.contact-details ul {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  color: var(--color-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr; /* force 4 colonnes */
  gap: 2rem;
}

@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr; /* 2 colonnes tablette */
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr; /* 1 colonne mobile */
    text-align: center;
  }
}
/* ===== FIX FOOTER ===== */
.footer {
  background: #0f2a2a !important; /* restaurer le vert foncé */
  color: #e6f2f1 !important;
  padding: 3.5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr; /* 4 colonnes sur desktop */
  gap: 2rem;
  align-items: start;
}

.footer .logo {
  color: #e6f2f1 !important;
}

.footer a {
  color: #d2f0ef !important;
}

.footer a:hover {
  color: var(--color-secondary) !important;
}

/* Texte du bas */
.footer-bottom {
  text-align: center !important;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  color: #e6f2f1 !important;
}

/* Responsive */
@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* RESPONSIVE */
@media (max-width: 960px) {
  nav ul {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1rem;
  }

  .navbar {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .navbar {
    justify-content: center;
  }

  nav ul {
    justify-content: center;
  }

  main {
    padding-top: 120px;
  }

  .hero-grid {
    text-align: center;
  }

  .hero .btn-group {
    justify-content: center;
  }

  .footer-grid {
    text-align: center;
  }
}