/* ACTIS² - Styles Principaux */

/* Reset et Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Couleurs Actis² */
  --primary: #84D3E8;
  --secondary: #A8D157;
  --accent: #A8D157;
  --foreground: #2E3E41;
  --background: #FFFFFF;
  --muted: #F5F5F5;
  --border: #E5E5E5;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--foreground);
  background-color: var(--background);
  line-height: 1.6;
}

/* Typographie */
h1 {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.875rem;
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.875rem; }
  h3 { font-size: 1.5rem; }
}

@media (min-width: 1024px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.25rem; }
  h3 { font-size: 1.875rem; }
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--secondary);
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* Header et Navigation */
header {
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.logo {
  height: 60px;
  width: auto;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--foreground);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

/* Menu Mobile */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--foreground);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background-color: var(--background);
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    padding: 2rem;
  }
  
  nav.active {
    right: 0;
  }
  
  nav ul {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }
  
  .close-menu {
    display: block;
    text-align: right;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    cursor: pointer;
  }
}

.close-menu {
  display: none;
}

/* Sections */
section {
  padding: 3rem 0;
}

@media (min-width: 768px) {
  section {
    padding: 4rem 0;
  }
}

.hero {
  background: linear-gradient(135deg, rgba(132, 211, 232, 0.1) 0%, rgba(255, 255, 255, 1) 50%, rgba(168, 209, 87, 0.1) 100%);
  text-align: center;
  padding: 3rem 0 !important;
}

@media (min-width: 768px) {
  .hero {
    padding: 4rem 0 !important;
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 5rem 0 !important;
  }
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.5rem;
  }
}

.hero p {
  font-size: 1.125rem;
  color: rgba(46, 62, 65, 0.8);
  margin-bottom: 1rem;
}

.bg-muted {
  background-color: var(--muted);
}

/* Grille */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Cards */
.card {
  background-color: var(--background);
  border: 2px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.icon-primary {
  background-color: rgba(132, 211, 232, 0.1);
  color: var(--primary);
}

.icon-secondary {
  background-color: rgba(168, 209, 87, 0.1);
  color: var(--secondary);
}

.icon-accent {
  background-color: rgba(168, 209, 87, 0.1);
  color: var(--accent);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-description {
  color: rgba(46, 62, 65, 0.7);
  margin-bottom: 1rem;
}

/* Boutons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: #6BC4DC;
  color: white;
}

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

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

.btn-full {
  width: 100%;
  justify-content: center;
}

/* Footer */
footer {
  background-color: var(--foreground);
  color: rgba(255, 255, 255, 0.8);
  padding: 3rem 0 1.5rem;
}

.footer-content {
  display: grid;
  gap: 2rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-section h3 {
  color: white;
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Carousel Clients */
.clients-carousel {
  overflow: hidden;
  padding: 2rem 0;
  background-color: var(--muted);
}

.clients-track {
  display: flex;
  gap: 3rem;
  animation: scroll 20s linear infinite;
}

.client-item {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--foreground);
  white-space: nowrap;
  opacity: 0.6;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

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

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

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: 0.375rem;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary);
}

.text-secondary {
  color: var(--secondary);
}

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.gap-2 {
  gap: 1rem;
}

.gap-4 {
  gap: 2rem;
}