/* ===========================
   NG ELEC – Style Principal
   Design : Moderne & Épuré
=========================== */

:root {
  --c-bg:       #ffffff;
  --c-white:    #ffffff;
  --c-dark:     #0a1628;
  --c-card:     #f4f8fb;
  --c-accent:   #00c8dc;
  --c-accent2:  #0a1628;
  --c-gray:     #5a6a7e;
  --c-light:    #eef6f9;
  --c-border:   #ddeaf0;
  --font-head:  'Syne', sans-serif;
  --font-body:  'DM Sans', sans-serif;
  --radius:     12px;
  --shadow:     0 4px 32px rgba(0,0,0,0.08);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---- REVEAL ---- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---- HEADER ---- */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header.scrolled { border-color: var(--c-border); box-shadow: 0 2px 20px rgba(0,0,0,0.08); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.nav__logo { font-family: var(--font-head); font-size: 1.5rem; font-weight: 800; text-decoration: none; letter-spacing: -0.02em; }
.logo-ng { color: var(--c-dark); }
.logo-elec { color: var(--c-accent); }
.nav__menu { display: flex; gap: 36px; list-style: none; }
.nav__link {
  font-size: 0.9rem; font-weight: 500; color: var(--c-dark);
  text-decoration: none; letter-spacing: 0.02em; position: relative; transition: color var(--transition);
}
.nav__link::after {
  content: ''; position: absolute; bottom: -3px; left: 0;
  width: 0; height: 2px; background: var(--c-accent); transition: width var(--transition);
}
.nav__link:hover { color: var(--c-accent2); }
.nav__link:hover::after { width: 100%; }
.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__burger span { display: block; width: 24px; height: 2px; background: var(--c-dark); transition: var(--transition); }

/* ---- LOGO IMAGE ---- */
.nav__logo-img { height: 120px; width: auto; display: block; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px;
  border-radius: 50px; font-family: var(--font-body); font-size: 0.95rem; font-weight: 500;
  cursor: pointer; text-decoration: none; transition: var(--transition); border: 2px solid transparent;
}
.btn--primary { background: var(--c-dark); color: var(--c-white); border-color: var(--c-dark); }
.btn--primary:hover {
  background: var(--c-accent); border-color: var(--c-accent); color: var(--c-dark);
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,200,220,0.3);
}
.btn--outline { background: transparent; color: var(--c-dark); border-color: var(--c-dark); }
.btn--outline:hover { background: var(--c-dark); color: var(--c-white); transform: translateY(-2px); }
.btn--full { width: 100%; justify-content: center; }

/* ---- SECTION COMMON ---- */
.section-tag {
  display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--c-accent2); background: rgba(10,22,40,0.07);
  padding: 4px 12px; border-radius: 50px; margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem); font-weight: 800;
  line-height: 1.1; letter-spacing: -0.03em; color: var(--c-dark);
}
.section-header { margin-bottom: 56px; }

/* ---- HERO ---- */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: 70px; position: relative; overflow: hidden; }
.hero__bg-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(0,200,220,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,200,220,0.05) 1px, transparent 1px);
  background-size: 60px 60px; z-index: 0;
}
.hero__bolt {
  position: absolute; right: 8%; top: 50%; transform: translateY(-50%);
  font-size: clamp(120px, 18vw, 240px); opacity: 0.05; user-select: none; z-index: 0;
  animation: floatBolt 6s ease-in-out infinite;
}
@keyframes floatBolt { 0%,100% { transform: translateY(-50%) rotate(-5deg); } 50% { transform: translateY(-53%) rotate(3deg); } }
.hero__content { position: relative; z-index: 1; max-width: 680px; padding: 80px 24px; }
.hero__tag {
  display: inline-flex; align-items: center; gap: 8px; font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--c-gray); margin-bottom: 20px;
}
.hero__tag::before {
  content: ''; display: inline-block; width: 8px; height: 8px;
  background: var(--c-accent); border-radius: 50%; animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(0,200,220,0.5); } 50% { box-shadow: 0 0 0 8px rgba(0,200,220,0); } }
.hero__title {
  font-family: var(--font-head); font-size: clamp(3rem, 7vw, 5.5rem); font-weight: 800;
  line-height: 1.0; letter-spacing: -0.04em; color: var(--c-dark); margin-bottom: 24px;
}
.hero__title--accent { color: var(--c-accent); position: relative; }
.hero__desc { font-size: 1.1rem; color: var(--c-gray); max-width: 520px; line-height: 1.7; margin-bottom: 36px; font-weight: 300; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); z-index: 1; }
.hero__scroll span {
  display: block; width: 2px; height: 40px;
  background: linear-gradient(to bottom, var(--c-accent), transparent);
  margin: 0 auto; animation: scrollDown 1.8s ease-in-out infinite;
}
@keyframes scrollDown { 0% { opacity: 1; transform: scaleY(1) translateY(0); } 100% { opacity: 0; transform: scaleY(0.5) translateY(20px); } }

/* ---- STATS ---- */
.stats { background: var(--c-dark); padding: 60px 0; }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item { text-align: center; padding: 32px 24px; border-right: 1px solid rgba(255,255,255,0.08); }
.stat-item:last-child { border-right: none; }
.stat-item__number {
  display: block; font-family: var(--font-head); font-size: 2.8rem; font-weight: 800;
  color: var(--c-accent);   /* ✅ CYAN visible sur fond bleu nuit */
  letter-spacing: -0.03em;
}
.stat-item__label { font-size: 0.82rem; color: rgba(255,255,255,0.5); font-weight: 300; margin-top: 6px; }

/* ---- SERVICES ---- */
.services { padding: 120px 0; background: var(--c-white); }
.services__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  background: var(--c-light); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 36px; transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: var(--c-accent); transform: scaleY(0); transform-origin: bottom; transition: transform var(--transition);
}
.service-card:hover { border-color: var(--c-accent); transform: translateY(-4px); box-shadow: var(--shadow); }
.service-card:hover::before { transform: scaleY(1); }
.service-card--wide { grid-column: 1 / -1; }
.service-card--wide .service-card__list { display: grid; grid-template-columns: repeat(2, 1fr); }
.service-card__icon {
  width: 52px; height: 52px; background: var(--c-dark); border-radius: 12px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.service-card__icon svg { width: 24px; height: 24px; stroke: var(--c-accent); }
.service-card__title { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; color: var(--c-dark); margin-bottom: 12px; }
.service-card__desc { font-size: 0.92rem; color: var(--c-gray); line-height: 1.7; margin-bottom: 20px; font-weight: 300; }
.service-card__list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.service-card__list li { font-size: 0.85rem; color: var(--c-dark); font-weight: 500; padding-left: 20px; position: relative; }
.service-card__list li::before { content: '⚡'; position: absolute; left: 0; font-size: 0.75rem; }

/* ---- À PROPOS ---- */
.apropos { padding: 120px 0; background: var(--c-light); }
.apropos__wrapper { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: center; }
.apropos__photo { position: relative; }
.apropos__img-wrap {
  border-radius: 20px; overflow: hidden; aspect-ratio: 3/4;
  background: var(--c-border); border: 3px solid var(--c-accent);
}
.apropos__img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.apropos__img-placeholder {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 16px;
  color: var(--c-gray); text-align: center; padding: 24px; background: var(--c-white);
}
.apropos__img-placeholder span:first-child { font-size: 3rem; }
.apropos__img-placeholder p { font-size: 0.82rem; line-height: 1.6; }
.apropos__img-placeholder code { background: var(--c-light); padding: 2px 6px; border-radius: 4px; font-size: 0.75rem; color: var(--c-accent2); }
.apropos__badge {
  position: absolute; bottom: -20px; right: -20px;
  background: var(--c-dark); color: var(--c-white); border-radius: 16px; padding: 16px 20px;
  display: flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700;
  font-size: 1rem; box-shadow: 0 8px 32px rgba(10,22,40,0.2); border: 2px solid var(--c-accent);
}
.apropos__content { display: flex; flex-direction: column; gap: 0; }
.apropos__content .section-title { margin-bottom: 28px; }
.apropos__text { font-size: 0.97rem; color: var(--c-gray); line-height: 1.8; font-weight: 300; margin-bottom: 16px; }
.apropos__text strong { color: var(--c-dark); font-weight: 600; }
.apropos__tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.apropos__tag {
  display: inline-flex; align-items: center; gap: 6px; font-size: 0.82rem; font-weight: 500;
  color: var(--c-dark); background: var(--c-white); border: 1.5px solid var(--c-border);
  padding: 6px 14px; border-radius: 50px; transition: var(--transition);
}
.apropos__tag:hover { border-color: var(--c-accent); color: var(--c-accent2); background: rgba(0,200,220,0.05); }

/* ---- GALERIE ---- */
.galerie { padding: 120px 0; background: var(--c-bg); }
.galerie__subtitle { color: var(--c-gray); font-size: 0.95rem; margin-top: -36px; margin-bottom: 48px; font-weight: 300; }
.galerie__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.galerie__item {
  border-radius: var(--radius); overflow: hidden; background: var(--c-white);
  border: 1px solid var(--c-border); transition: var(--transition); cursor: pointer;
}
.galerie__item:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.galerie__placeholder {
  aspect-ratio: 4/3; background: linear-gradient(135deg, var(--c-light) 0%, var(--c-border) 100%);
  display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
}
.galerie__placeholder::after {
  content: 'Photo bientôt disponible'; position: absolute; bottom: 12px; left: 0; right: 0;
  text-align: center; font-size: 0.7rem; color: var(--c-gray); font-weight: 400;
}
.galerie__icon { font-size: 3rem; }
.galerie__overlay-tag {
  position: absolute; top: 12px; right: 12px; background: var(--c-dark); color: var(--c-white);
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.05em; padding: 4px 10px; border-radius: 50px;
}
.galerie__info { padding: 16px 20px; }
.galerie__titre { font-family: var(--font-head); font-size: 0.95rem; font-weight: 700; color: var(--c-dark); }
.galerie__cat { font-size: 0.78rem; color: var(--c-gray); margin-top: 4px; }

/* ---- CONTACT ---- */
.contact { padding: 120px 0; background: var(--c-white); }
.contact__wrapper { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
.contact__desc { color: var(--c-gray); font-size: 0.95rem; margin: 16px 0 32px; line-height: 1.7; font-weight: 300; }
.contact__details { list-style: none; display: flex; flex-direction: column; gap: 16px; }
.contact__details li { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; color: var(--c-dark); }
.contact__details a { color: var(--c-accent2); text-decoration: none; font-weight: 500; }
.contact__icon { font-size: 1.1rem; }
.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--c-dark); letter-spacing: 0.02em; text-transform: uppercase; }
.form-group input, .form-group select, .form-group textarea {
  padding: 14px 18px; border: 1.5px solid var(--c-border); border-radius: var(--radius);
  font-family: var(--font-body); font-size: 0.95rem; color: var(--c-dark);
  background: var(--c-light); transition: border-color var(--transition), box-shadow var(--transition); outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--c-accent); box-shadow: 0 0 0 3px rgba(0,200,220,0.15); background: var(--c-white);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-alert { padding: 14px 18px; border-radius: var(--radius); font-size: 0.9rem; font-weight: 500; }
.form-alert--success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.form-alert--error { background: #fce8e8; color: #c62828; border: 1px solid #ef9a9a; }

/* ---- FOOTER ---- */
.footer { background: var(--c-dark); padding: 40px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer__copy, .footer__made { font-size: 0.82rem; color: rgba(255,255,255,0.4); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .services__grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-column: auto; }
  .service-card--wide .service-card__list { grid-template-columns: 1fr; }
  .galerie__grid { grid-template-columns: repeat(2, 1fr); }
  .contact__wrapper { grid-template-columns: 1fr; gap: 48px; }
  .apropos__wrapper { grid-template-columns: 1fr; gap: 60px; }
  .apropos__img-wrap { aspect-ratio: 4/3; max-width: 400px; margin: 0 auto; }
  .apropos__badge { right: 0; }
}

@media (max-width: 640px) {
  .nav__menu {
    display: none; position: fixed; top: 70px; left: 0; right: 0;
    background: var(--c-white); flex-direction: column; padding: 24px; gap: 20px;
    border-bottom: 1px solid var(--c-border); box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  }
  .nav__menu.open { display: flex; }
  .nav__burger { display: flex; }
  .hero__title { font-size: 2.8rem; }
  .hero__cta { flex-direction: column; }
  .galerie__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { flex-direction: column; text-align: center; }
}