/* ============================================================
   ENERTECH CI – Feuille de style principale
   Couleurs : Vert #2E8B3A | Orange #F07A00 | Gris #1A1A2E
   ============================================================ */

:root {
  --green: #2E8B3A;
  --green-dark: #1d6327;
  --green-light: #e8f5eb;
  --orange: #F07A00;
  --orange-light: #fff3e0;
  --dark: #1A1A2E;
  --dark2: #2d2d44;
  --gray: #6b7280;
  --gray-light: #f4f6f9;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 36px rgba(0,0,0,0.14);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.65;
  font-size: 16px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Boutons ─────────────────────────────────── */
.btn-primary {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  padding: 13px 30px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); }

.btn-outline {
  display: inline-block;
  border: 2px solid var(--white);
  color: var(--white);
  padding: 11px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
}
.btn-outline:hover { background: var(--white); color: var(--green); }

.btn-full { width: 100%; text-align: center; }

/* ── Navigation ──────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.10); }

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-logo img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--dark2);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--green); }

.btn-nav {
  background: var(--green) !important;
  color: var(--white) !important;
  padding: 9px 22px;
  border-radius: 7px;
  font-weight: 600 !important;
}
.btn-nav:hover { background: var(--green-dark) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark);
}

/* ── Hero ────────────────────────────────────── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 50%, #16213e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}

.hero-content { position: relative; z-index: 2; max-width: 720px; }

.hero-logo {
  height: 80px;
  width: auto;
  margin: 0 auto 32px;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.4));
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--orange); }

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Formes décoratives */
.hero-bg-shapes { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
}
.s1 { width: 500px; height: 500px; background: var(--green); top: -150px; right: -100px; }
.s2 { width: 300px; height: 300px; background: var(--orange); bottom: -80px; left: -60px; }
.s3 { width: 200px; height: 200px; background: var(--green); top: 40%; left: 5%; }

/* ── Stats Bar ───────────────────────────────── */
.stats-bar {
  background: var(--green);
  padding: 32px 24px;
}
.stats-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--white);
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

/* ── Sections génériques ─────────────────────── */
.section { padding: 88px 0; }

.section-tag {
  display: inline-block;
  background: var(--green-light);
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.25;
}

.section-desc {
  color: var(--gray);
  font-size: 1.05rem;
  max-width: 620px;
  margin-bottom: 48px;
}

/* ── À Propos ────────────────────────────────── */
.apropos { background: var(--white); }

.apropos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  margin-top: 48px;
}

.apropos-text p {
  color: var(--gray);
  margin-bottom: 18px;
  font-size: 1.02rem;
}
.apropos-text strong { color: var(--dark); }

.apropos-values { display: flex; flex-direction: column; gap: 20px; }

.value-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--gray-light);
  transition: box-shadow var(--transition);
}
.value-item:hover { box-shadow: var(--shadow); }

.value-icon { font-size: 1.5rem; flex-shrink: 0; }

.value-item strong { display: block; font-weight: 700; margin-bottom: 4px; color: var(--dark); }
.value-item p { color: var(--gray); font-size: 0.9rem; }

/* ── Services ────────────────────────────────── */
.services { background: var(--gray-light); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border-top: 4px solid var(--green);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  margin-bottom: 20px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

/* Icônes CSS pour les services */
.service-icon.conseil { background: var(--green-light); position: relative; }
.service-icon.conseil::after { content: "💡"; font-size: 1.6rem; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.service-icon.dev::after { content: "⚙️"; font-size: 1.6rem; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.service-icon.dev { background: var(--orange-light); position: relative; }
.service-icon.db { background: var(--green-light); position: relative; }
.service-icon.db::after { content: "🗄️"; font-size: 1.6rem; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.service-icon.cloud { background: var(--orange-light); position: relative; }
.service-icon.cloud::after { content: "☁️"; font-size: 1.6rem; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.service-icon.erp { background: var(--green-light); position: relative; }
.service-icon.erp::after { content: "📊"; font-size: 1.6rem; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--dark);
}

.service-card ul li {
  padding: 5px 0;
  font-size: 0.9rem;
  color: var(--gray);
  padding-left: 16px;
  position: relative;
}
.service-card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 6px; height: 6px;
  background: var(--orange);
  border-radius: 50%;
}

/* Cloud providers */
.cloud-providers { display: flex; flex-direction: column; gap: 12px; }
.provider {
  background: var(--gray-light);
  border-radius: 8px;
  padding: 10px 14px;
}
.provider strong { font-size: 0.9rem; color: var(--green); }
.provider p { font-size: 0.82rem; color: var(--gray); margin-top: 2px; }

/* ── Produits ────────────────────────────────── */
.produits { background: var(--white); }

.produits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.produit-card {
  border-radius: var(--radius);
  padding: 32px 24px;
  background: var(--gray-light);
  text-align: center;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.produit-card:hover {
  background: var(--white);
  border-color: var(--green);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.produit-icon { font-size: 2.5rem; margin-bottom: 16px; }

.produit-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--dark);
}
.produit-card ul li {
  font-size: 0.875rem;
  color: var(--gray);
  padding: 4px 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.produit-card ul li:last-child { border-bottom: none; }

/* ── Pourquoi nous ───────────────────────────── */
.pourquoi { background: var(--dark); }
.pourquoi .section-tag { background: rgba(255,255,255,0.1); color: var(--orange); }
.pourquoi .section-title { color: var(--white); }

.pourquoi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.pourquoi-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: background var(--transition), border-color var(--transition);
}
.pourquoi-card:hover {
  background: rgba(46,139,58,0.15);
  border-color: var(--green);
}

.pq-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--orange);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}

.pourquoi-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.pourquoi-card p { font-size: 0.9rem; color: rgba(255,255,255,0.6); }

/* ── Contact ─────────────────────────────────── */
.contact { background: var(--gray-light); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  margin-top: 48px;
}

.contact-info h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 8px;
}
.slogan-contact {
  font-style: italic;
  color: var(--green);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.contact-items { display: flex; flex-direction: column; gap: 20px; }

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ci-icon { font-size: 1.4rem; flex-shrink: 0; }
.contact-item strong { display: block; font-weight: 700; font-size: 0.9rem; color: var(--dark); }
.contact-item p, .contact-item a {
  color: var(--gray);
  font-size: 0.95rem;
}
.contact-item a:hover { color: var(--green); }

/* Formulaire */
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 15px;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--green); }
.form-group textarea { resize: vertical; }

.form-success {
  margin-top: 14px;
  color: var(--green);
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
}

/* ── Footer ──────────────────────────────────── */
.footer { background: var(--dark); color: rgba(255,255,255,0.75); }

.footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 60px 24px 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 48px;
}

.footer-logo img { height: 50px; width: auto; margin-bottom: 14px; }
.footer-logo p { font-size: 0.875rem; color: rgba(255,255,255,0.5); font-style: italic; }

.footer h4 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--white);
  margin-bottom: 16px;
}
.footer ul li { padding: 4px 0; font-size: 0.875rem; }
.footer ul a:hover { color: var(--green); }

.footer-contact p {
  font-size: 0.875rem;
  padding: 4px 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  padding: 20px 24px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ── Responsive ──────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .produits-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    border-bottom: 1px solid rgba(0,0,0,0.07);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links li a {
    display: block;
    padding: 14px 24px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
  }
  .btn-nav { border-radius: 0; }

  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .apropos-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .produits-grid { grid-template-columns: repeat(2, 1fr); }
  .pourquoi-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .produits-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
}