/* ===== SV Électricité — Design System ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

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

:root {
  --navy: #0a1628;
  --navy-light: #12203d;
  --navy-mid: #1a2d52;
  --electric: #f5a623;
  --electric-light: #ffc566;
  --electric-dark: #d4891a;
  --blue-accent: #2d7ff9;
  --blue-glow: #4da3ff;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --green: #22c55e;
  --red: #ef4444;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.15);
  --shadow-xl: 0 16px 48px rgba(0,0,0,.2);
  --shadow-glow: 0 0 30px rgba(245,166,35,.25);
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font-body); color: var(--gray-700); line-height: 1.7; background: var(--white); overflow-x: hidden; }

/* ===== UTILITIES ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-padding { padding: 100px 0; }
.text-center { text-align: center; }

.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-heading); font-weight: 600; font-size: .85rem;
  color: var(--electric); text-transform: uppercase; letter-spacing: 2px;
  margin-bottom: 12px;
}
.section-label::before {
  content: ''; width: 28px; height: 2px; background: var(--electric); border-radius: 2px;
}
.section-title {
  font-family: var(--font-heading); font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800; color: var(--navy); line-height: 1.2; margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.1rem; color: var(--gray-500); max-width: 600px; margin: 0 auto 48px;
}

/* ===== HEADER / NAV ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,22,40,.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: var(--transition);
}
.header.scrolled { background: rgba(10,22,40,.98); box-shadow: 0 4px 20px rgba(0,0,0,.3); }
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo img { height: 44px; width: auto; border-radius: 6px; }
.logo-text { font-family: var(--font-heading); font-size: 1.35rem; font-weight: 700; color: var(--white); }
.logo-text span { color: var(--electric); }

.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,.75); font-weight: 500; font-size: .92rem;
  text-decoration: none; transition: var(--transition); position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px;
  background: var(--electric); transition: var(--transition);
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--electric), var(--electric-dark));
  color: var(--navy) !important; padding: 10px 24px; border-radius: 8px;
  font-weight: 700 !important; font-size: .9rem !important;
  transition: var(--transition) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

.hamburger {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  background: none; border: none; padding: 4px;
}
.hamburger span {
  width: 26px; height: 2px; background: var(--white); border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--navy); overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('assets/img/hero-banner.png') center/cover no-repeat;
  opacity: .3; filter: brightness(.7);
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(10,22,40,.95) 0%, rgba(10,22,40,.7) 50%, rgba(10,22,40,.85) 100%);
}
.hero-particles {
  position: absolute; inset: 0; overflow: hidden;
}
.hero-particles span {
  position: absolute; width: 3px; height: 3px; background: var(--electric);
  border-radius: 50%; opacity: .4; animation: float-particle 8s infinite ease-in-out;
}
.hero-particles span:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.hero-particles span:nth-child(2) { top: 60%; left: 80%; animation-delay: 2s; }
.hero-particles span:nth-child(3) { top: 40%; left: 50%; animation-delay: 4s; }
.hero-particles span:nth-child(4) { top: 80%; left: 30%; animation-delay: 1s; }
.hero-particles span:nth-child(5) { top: 10%; left: 70%; animation-delay: 3s; }
.hero-particles span:nth-child(6) { top: 70%; left: 20%; animation-delay: 5s; }

@keyframes float-particle {
  0%, 100% { transform: translateY(0) scale(1); opacity: .3; }
  50% { transform: translateY(-40px) scale(1.5); opacity: .7; }
}

.hero-content {
  position: relative; z-index: 2; max-width: 700px; padding-top: 80px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,166,35,.12); border: 1px solid rgba(245,166,35,.25);
  padding: 8px 18px; border-radius: 50px; margin-bottom: 24px;
  font-size: .85rem; font-weight: 600; color: var(--electric);
}
.hero-badge .dot {
  width: 8px; height: 8px; background: var(--green); border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.3); }
}

.hero h1 {
  font-family: var(--font-heading); font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  font-weight: 900; color: var(--white); line-height: 1.1; margin-bottom: 20px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--electric), var(--electric-light));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: 1.15rem; color: rgba(255,255,255,.65); line-height: 1.8;
  margin-bottom: 36px; max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--electric), var(--electric-dark));
  color: var(--navy); padding: 16px 32px; border-radius: 10px;
  font-family: var(--font-heading); font-weight: 700; font-size: 1rem;
  text-decoration: none; transition: var(--transition); border: none; cursor: pointer;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  color: var(--white); padding: 16px 32px; border-radius: 10px;
  font-family: var(--font-heading); font-weight: 600; font-size: 1rem;
  text-decoration: none; transition: var(--transition); cursor: pointer;
}
.btn-secondary:hover { background: rgba(255,255,255,.14); transform: translateY(-2px); }

.hero-stats {
  display: flex; gap: 40px; margin-top: 56px; padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero-stat h3 {
  font-family: var(--font-heading); font-size: 2rem; font-weight: 800;
  color: var(--electric); margin-bottom: 4px;
}
.hero-stat p { font-size: .85rem; color: rgba(255,255,255,.5); }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--gray-50); border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200); padding: 32px 0;
}
.trust-bar .container {
  display: flex; align-items: center; justify-content: center;
  gap: 48px; flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 12px;
  font-weight: 600; font-size: .92rem; color: var(--gray-600);
}
.trust-icon {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--electric), var(--electric-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--white);
}

/* ===== SERVICES ===== */
.services { background: var(--white); }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: var(--transition); position: relative;
}
.service-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: var(--electric);
}
.service-card-img {
  height: 220px; overflow: hidden; position: relative;
}
.service-card-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: var(--transition);
}
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-img .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,.6), transparent);
}
.service-card-body { padding: 28px; }
.service-icon {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(245,166,35,.1), rgba(245,166,35,.05));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 16px; margin-top: -44px;
  position: relative; z-index: 2; border: 2px solid var(--white);
  box-shadow: var(--shadow-md); background-color: var(--white);
}
.service-card h3 {
  font-family: var(--font-heading); font-size: 1.25rem; font-weight: 700;
  color: var(--navy); margin-bottom: 10px;
}
.service-card p { font-size: .92rem; color: var(--gray-500); line-height: 1.7; }
.service-card .learn-more {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--electric-dark); font-weight: 600; font-size: .88rem;
  margin-top: 16px; text-decoration: none; transition: var(--transition);
}
.service-card .learn-more:hover { gap: 10px; color: var(--electric); }

/* ===== ABOUT ===== */
.about { background: var(--gray-50); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.about-images { position: relative; }
.about-img-main {
  width: 100%; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.about-img-main img { width: 100%; height: 400px; object-fit: cover; }
.about-img-float {
  position: absolute; bottom: -30px; right: -20px;
  width: 200px; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-xl); border: 4px solid var(--white);
}
.about-img-float img { width: 100%; height: 150px; object-fit: cover; }
.about-badge-float {
  position: absolute; top: -16px; left: -16px;
  background: linear-gradient(135deg, var(--electric), var(--electric-dark));
  color: var(--navy); padding: 16px 20px; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); text-align: center;
}
.about-badge-float h4 { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 800; }
.about-badge-float p { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

.about-content h2 {
  font-family: var(--font-heading); font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800; color: var(--navy); line-height: 1.2; margin-bottom: 20px;
}
.about-content p { color: var(--gray-600); margin-bottom: 16px; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.about-feature {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px; background: var(--white); border-radius: var(--radius);
  border: 1px solid var(--gray-200); transition: var(--transition);
}
.about-feature:hover { border-color: var(--electric); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.about-feature-icon {
  width: 36px; height: 36px; border-radius: 8px; flex-shrink: 0;
  background: rgba(245,166,35,.1); display: flex; align-items: center;
  justify-content: center; font-size: 1rem;
}
.about-feature h4 { font-family: var(--font-heading); font-size: .88rem; font-weight: 700; color: var(--navy); }
.about-feature p { font-size: .78rem; color: var(--gray-500); margin-top: 2px; }

/* ===== GALLERY ===== */
.gallery { background: var(--navy); color: var(--white); }
.gallery .section-title { color: var(--white); }
.gallery .section-subtitle { color: rgba(255,255,255,.5); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius); overflow: hidden; position: relative;
  cursor: pointer; aspect-ratio: 4/3;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: var(--transition);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,.8), transparent);
  opacity: 0; transition: var(--transition);
  display: flex; align-items: flex-end; padding: 20px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay p { font-weight: 600; font-size: .9rem; }

/* ===== TESTIMONIALS ===== */
.testimonials { background: var(--white); }
.testimonials-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px;
}
.testimonial-card {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg); padding: 32px;
  transition: var(--transition); position: relative;
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--electric); }
.testimonial-card .stars { color: var(--electric); font-size: 1rem; margin-bottom: 16px; letter-spacing: 2px; }
.testimonial-card blockquote {
  font-size: .95rem; color: var(--gray-600); line-height: 1.8;
  font-style: italic; margin-bottom: 20px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--electric), var(--blue-accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--white); font-size: .9rem;
}
.testimonial-author h4 { font-family: var(--font-heading); font-size: .9rem; font-weight: 700; color: var(--navy); }
.testimonial-author p { font-size: .8rem; color: var(--gray-400); }

/* ===== CONTACT ===== */
.contact { background: var(--gray-50); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info { padding: 20px 0; }
.contact-info h2 {
  font-family: var(--font-heading); font-size: 2rem; font-weight: 800;
  color: var(--navy); margin-bottom: 16px;
}
.contact-info > p { color: var(--gray-500); margin-bottom: 32px; }
.contact-detail {
  display: flex; align-items: flex-start; gap: 16px;
  margin-bottom: 24px;
}
.contact-detail-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--electric), var(--electric-dark));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: var(--white);
}
.contact-detail h4 { font-family: var(--font-heading); font-weight: 700; color: var(--navy); font-size: .95rem; }
.contact-detail p { color: var(--gray-500); font-size: .9rem; margin-top: 2px; }
.contact-detail a { color: var(--electric-dark); text-decoration: none; font-weight: 500; }
.contact-detail a:hover { color: var(--electric); }

.contact-form-wrap {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 40px; box-shadow: var(--shadow-md); border: 1px solid var(--gray-200);
}
.contact-form-wrap h3 {
  font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700;
  color: var(--navy); margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block; font-weight: 600; font-size: .85rem;
  color: var(--gray-600); margin-bottom: 6px;
}
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--gray-200);
  border-radius: var(--radius); font-family: var(--font-body);
  font-size: .92rem; color: var(--gray-700); background: var(--gray-50);
  transition: var(--transition); outline: none;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--electric); box-shadow: 0 0 0 3px rgba(245,166,35,.12);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.btn-submit {
  width: 100%; padding: 16px; border: none; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--electric), var(--electric-dark));
  color: var(--navy); font-family: var(--font-heading); font-weight: 700;
  font-size: 1rem; cursor: pointer; transition: var(--transition);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

/* ===== FOOTER ===== */
.footer {
  background: var(--navy); color: rgba(255,255,255,.6); padding: 64px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand p { margin-top: 16px; font-size: .9rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 {
  font-family: var(--font-heading); color: var(--white); font-weight: 700;
  font-size: .95rem; margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,.5); text-decoration: none;
  font-size: .88rem; transition: var(--transition);
}
.footer-col a:hover { color: var(--electric); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 0; font-size: .82rem; flex-wrap: wrap; gap: 12px;
}
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(255,255,255,.06); display: flex;
  align-items: center; justify-content: center;
  color: rgba(255,255,255,.5); font-size: .9rem;
  transition: var(--transition); text-decoration: none;
}
.footer-socials a:hover { background: var(--electric); color: var(--navy); }

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== MOBILE NAV ===== */
.mobile-nav {
  display: none; position: fixed; top: 76px; left: 0; right: 0;
  background: rgba(10,22,40,.98); backdrop-filter: blur(16px);
  padding: 24px; z-index: 999; border-bottom: 1px solid rgba(255,255,255,.06);
  transform: translateY(-110%); transition: var(--transition);
}
.mobile-nav.open { transform: translateY(0); }
.mobile-nav a {
  display: block; padding: 14px 0; color: rgba(255,255,255,.75);
  text-decoration: none; font-weight: 500; font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: var(--transition);
}
.mobile-nav a:hover { color: var(--electric); }
.mobile-nav .nav-cta {
  display: inline-block; margin-top: 16px; text-align: center; width: 100%;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-float { right: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-padding { padding: 64px 0; }
  .about-features { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .trust-bar .container { gap: 24px; }
}