/* ═══════════════════════════════════════════════════════════════
   ÉLECTRICIEN MALAKOFF — Feuille de styles principale
   Palette : anthracite (#2c3e50) + blanc + vert IoT (#00b894)
   ═══════════════════════════════════════════════════════════════ */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --dark:      #1e2d3d;
  --dark-2:    #2c3e50;
  --dark-3:    #34495e;
  --iot:       #00b894;
  --iot-dark:  #00896b;
  --iot-light: #e8faf6;
  --light:     #f7f8fa;
  --white:     #ffffff;
  --text:      #2c3e50;
  --text-muted:#6c7a89;
  --border:    #e2e8f0;
  --shadow:    0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.14);
  --radius:    10px;
  --radius-lg: 16px;
  --font:      'Inter', system-ui, sans-serif;
  --transition: .25s ease;
}

/* ── Reset & base ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--iot); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--iot-dark); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ── Layout helpers ──────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section         { padding: 80px 0; }
.section--dark   { background: var(--dark-2); color: var(--white); }
.section--light  { background: var(--light); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .02em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--iot);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(0,184,148,.35);
}
.btn-primary:hover {
  background: var(--iot-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,184,148,.45);
}
.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,.35);
}
.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.08);
  color: var(--white);
}
.btn--full { width: 100%; justify-content: center; }

/* ── Section header ──────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--iot);
  margin-bottom: 12px;
}
.section-tag--light { color: var(--iot); }
.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark-2);
}
.section-title--light { color: var(--white); }
.section-desc {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ══════════════════════════════════════ HEADER / NAV ══ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(30,45,61,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav {
  display: flex;
  align-items: center;
  height: 68px;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-size: 1.05rem;
  flex-shrink: 0;
}
.nav-logo:hover { color: var(--white); }
.logo-icon { font-size: 1.4rem; }
.logo-text strong { color: var(--iot); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.08); }
.nav-cta {
  background: var(--iot) !important;
  color: var(--white) !important;
  padding: 9px 18px !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--iot-dark) !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ══════════════════════════════════════════════ HERO ══ */
.hero {
  position: relative;
  background: var(--dark);
  color: var(--white);
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 30%, rgba(0,184,148,.15) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(0,184,148,.08) 0%, transparent 50%);
}
.hero-layout {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 48px;
}
.hero-content { position: relative; }

/* Photo de profil hero */
.hero-profile {
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-profile-ring {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: conic-gradient(var(--iot) 0deg, rgba(0,184,148,.2) 180deg, var(--iot) 360deg);
  padding: 3px;
  animation: rotate-badge 20s linear infinite;
  flex-shrink: 0;
}
.hero-profile-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: top center;
  background: var(--dark-2);
  animation: rotate-badge 20s linear infinite reverse;
  display: block;
}
@media (max-width: 1100px) {
  .hero-profile-ring { width: 260px; height: 260px; }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--iot);
  background: rgba(0,184,148,.12);
  border: 1px solid rgba(0,184,148,.25);
  border-radius: 100px;
  padding: 6px 16px;
  margin-bottom: 24px;
}
.hero-badge::before { content: '●'; font-size: .6rem; animation: blink 2s infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.3} }
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.hero-title .accent { color: var(--iot); }
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.7);
  max-width: 600px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--iot); }
.stat-label { font-size: .8rem; color: rgba(255,255,255,.5); }
.stat-sep { width: 1px; height: 40px; background: rgba(255,255,255,.15); }
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
}
.hero-scroll span {
  display: block;
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,.25);
  border-radius: 100px;
  position: relative;
}
.hero-scroll span::after {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255,255,255,.5);
  border-radius: 2px;
  animation: scroll-hint 2s infinite;
}
@keyframes scroll-hint { 0%{top:6px;opacity:1} 100%{top:16px;opacity:0} }

/* ══════════════════════════════════════════ SERVICES ══ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  position: relative;
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--iot);
}
.service-card--featured {
  border-color: var(--iot);
  background: var(--iot-light);
}
.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark-2);
}
.service-card p { color: var(--text-muted); font-size: .95rem; }
.service-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--iot);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}

/* ══════════════════════════════════════════════ CHARTE ══ */
.charte-layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
}
.charte-text p { color: rgba(255,255,255,.75); margin-bottom: 28px; }
.charte-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 36px; }
.charte-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255,255,255,.85);
  font-size: .97rem;
}
.charte-check {
  color: var(--iot);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.charte-visual { display: flex; justify-content: center; align-items: center; }
.charte-badge-large {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: conic-gradient(var(--iot) 0%, var(--iot-dark) 50%, var(--iot) 100%);
  padding: 4px;
  flex-shrink: 0;
  animation: rotate-badge 20s linear infinite;
}
@keyframes rotate-badge { to { transform: rotate(360deg); } }
.badge-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--dark-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  animation: rotate-badge 20s linear infinite reverse;
}
.badge-icon { font-size: 2rem; }
.badge-title { font-size: .9rem; font-weight: 700; color: var(--white); letter-spacing: .05em; }
.badge-subtitle { font-size: .75rem; color: var(--iot); font-weight: 600; letter-spacing: .05em; text-align: center; }
.badge-cert {
  font-size: .65rem;
  text-transform: uppercase;
  letter-spacing: .15em;
  color: rgba(255,255,255,.5);
  margin-top: 4px;
}

/* ── Fiches Charte ───────────────────────────────────────────── */
.charte-fiches {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.charte-fiche {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: 12px;
  padding: 20px 18px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.charte-fiche::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--iot);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.charte-fiche:hover {
  background: rgba(0,184,148,.08);
  border-color: rgba(0,184,148,.3);
  transform: translateY(-3px);
}
.charte-fiche:hover::before { transform: scaleX(1); }
.fiche-num {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--iot);
  opacity: .5;
  line-height: 1;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}
.fiche-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}
.fiche-desc {
  font-size: .78rem;
  color: rgba(255,255,255,.5);
  line-height: 1.55;
}

/* ══════════════════════════════════════ RÉALISATIONS ══ */
.realisations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.real-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.real-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.real-img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--light);
}
.real-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.real-card:hover .real-img-wrap img { transform: scale(1.04); }
.real-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--iot);
  background: var(--iot-light);
}
.real-cat {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--iot);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  padding: 4px 10px;
  border-radius: 100px;
}
.real-body { padding: 20px 22px; }
.real-body h3 { font-size: 1rem; font-weight: 700; color: var(--dark-2); margin-bottom: 8px; }
.real-body p { font-size: .88rem; color: var(--text-muted); }

.empty-state {
  text-align: center;
  padding: 60px;
  color: var(--text-muted);
}

/* ══════════════════════════════════════════ PARTENAIRES ══ */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.partner-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: var(--text);
  transition: all var(--transition);
  text-decoration: none;
}
.partner-card:hover {
  border-color: var(--iot);
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  color: var(--text);
}
.partner-logo-wrap {
  width: 80px;
  height: 60px;
  display: flex;
  align-items: center;
  margin-bottom: 16px;
}
.partner-logo-wrap img { width: 100%; height: 100%; object-fit: contain; }
.partner-logo-placeholder {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background: var(--iot-light);
  color: var(--iot);
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.partner-info h3 { font-size: 1rem; font-weight: 700; color: var(--dark-2); margin-bottom: 8px; }
.partner-info p { font-size: .88rem; color: var(--text-muted); flex: 1; }
.partner-link {
  margin-top: 16px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--iot);
}
.partners-footer-link {
  text-align: center;
  margin-top: 36px;
}
.btn--outline {
  background: transparent;
  color: var(--iot);
  border: 1.5px solid var(--iot);
}
.btn--outline:hover {
  background: var(--iot);
  color: var(--white);
}

/* ══════════════════════════════════════════════ CONTACT ══ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.contact-info p { color: rgba(255,255,255,.7); margin-bottom: 28px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  color: rgba(255,255,255,.8);
  font-size: .97rem;
}
.contact-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 2px; }

/* ── Form ── */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--dark-2); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  font-size: .93rem;
  color: var(--text);
  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(--iot);
  box-shadow: 0 0 0 3px rgba(0,184,148,.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: .78rem; color: var(--text-muted); text-align: center; }
.form-success {
  background: #d1fae5;
  border: 1px solid #6ee7b7;
  color: #065f46;
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-weight: 500;
}
.form-error {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-weight: 500;
}

/* ══════════════════════════════════════════════ FOOTER ══ */
.footer { background: var(--dark); color: rgba(255,255,255,.65); }
.footer-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 64px 24px 40px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-brand p { font-size: .88rem; line-height: 1.7; }
.footer h4 { color: var(--white); font-size: .85rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 18px; }
.footer ul { display: flex; flex-direction: column; gap: 8px; }
.footer ul li a { color: rgba(255,255,255,.55); font-size: .9rem; transition: color var(--transition); }
.footer ul li a:hover { color: var(--iot); }
.footer-contact p { font-size: .9rem; margin-bottom: 8px; }
.footer-contact a { color: rgba(255,255,255,.55); }
.footer-contact a:hover { color: var(--iot); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.07);
  padding: 20px 24px;
}
.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .82rem;
}
.footer-bottom a { color: rgba(255,255,255,.35); }
.footer-bottom a:hover { color: var(--iot); }

/* ── Back to top ──────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  background: var(--iot);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 16px rgba(0,184,148,.4);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: all var(--transition);
  z-index: 99;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--iot-dark); color: var(--white); }

/* ── Animations ──────────────────────────────────────────────── */
[data-aos] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════ RESPONSIVE ══ */
@media (max-width: 1024px) {
  .charte-layout { grid-template-columns: 1fr; gap: 40px; }
  .charte-visual { display: none; }
  .charte-fiches { grid-template-columns: repeat(3, 1fr); }
  .footer-layout { grid-template-columns: 1fr 1fr; gap: 32px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--dark);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 16px;
    gap: 4px;
    z-index: 99;
  }
  .nav-toggle { display: flex; margin-left: auto; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 72px 0 60px; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-profile { display: none; }
  .hero-stats { gap: 16px; }
  .stat-sep { display: none; }
  .charte-fiches { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-layout { grid-template-columns: 1fr; gap: 28px; padding: 40px 24px 28px; }
  .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
  .services-grid,
  .partners-grid,
  .realisations-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .contact-form-wrap { padding: 24px 20px; }
}