:root {
  --navy: #12224f;
  --navy-dark: #0b1730;
  --orange: #f0901c;
  --orange-dark: #d97b0d;
  --ink: #1a1a1a;
  --gray: #6b7280;
  --bg-alt: #f6f7f9;
  --border: #e6e8ec;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(18,34,79,0.08);
  --container: 1160px;
  font-size: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Open Sans", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}
h1, h2, h3, .brand-name {
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 700;
  margin: 0 0 .5em;
  color: var(--navy);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.accent { color: var(--orange); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-family: "Poppins", Arial, sans-serif;
  font-size: .95rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--orange);
  color: #fff;
  box-shadow: 0 8px 20px rgba(240,144,28,.35);
}
.btn-primary:hover { background: var(--orange-dark); transform: translateY(-2px); }
.btn-outline {
  border-color: rgba(255,255,255,.7);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); }
.btn-block { width: 100%; border: none; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.brand-logo { height: 48px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-size: 1.35rem; margin: 0; }
.brand-baseline { font-size: .68rem; color: var(--gray); letter-spacing: .03em; text-transform: uppercase; }
.main-nav {
  display: flex;
  gap: 26px;
}
.main-nav a {
  font-family: "Poppins", Arial, sans-serif;
  font-size: .93rem;
  font-weight: 500;
  color: var(--navy);
  position: relative;
  padding: 6px 0;
}
.main-nav a:hover { color: var(--orange); }
.header-cta { white-space: nowrap; }
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy);
  border-radius: 2px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11,23,48,.94) 20%, rgba(11,23,48,.75) 55%, rgba(11,23,48,.35) 100%);
  z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 720px; padding-top: 40px; padding-bottom: 40px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: .1em;
  font-weight: 600;
  color: var(--orange);
  font-size: .85rem;
  margin-bottom: 14px;
}
.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.2;
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,.88);
  max-width: 560px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Strip / marquee */
.strip {
  background: var(--navy-dark);
  color: #fff;
  overflow: hidden;
  white-space: nowrap;
  padding: 14px 0;
}
.strip-track {
  display: inline-flex;
  gap: 0;
  animation: scroll-strip 32s linear infinite;
}
.strip-track span {
  padding: 0 28px;
  font-family: "Poppins", Arial, sans-serif;
  font-size: .85rem;
  font-weight: 500;
  color: var(--orange);
  border-right: 1px solid rgba(255,255,255,.2);
}
@keyframes scroll-strip {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sections */
.section { padding: 90px 0; }
.section-alt { background: var(--bg-alt); }
.kicker {
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--orange);
  font-weight: 700;
  font-size: .8rem;
  margin-bottom: 10px;
}
.center { text-align: center; margin-left: auto; margin-right: auto; }
h2.center { max-width: 640px; margin-bottom: 50px; }
.section h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.about-text p { color: #3a3f4b; }
.about-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.about-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: "Poppins", Arial, sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
}
.stat-label { color: var(--gray); font-size: .85rem; }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-icon { font-size: 2rem; margin-bottom: 14px; }
.service-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.service-card p { color: var(--gray); font-size: .93rem; margin: 0; }

/* Gallery */
.gallery-hint {
  color: var(--gray);
  font-size: .9rem;
  margin-top: -10px;
  margin-bottom: 30px;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.gallery-item {
  margin: 0;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  background: var(--navy);
  display: block;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: transform .2s ease, box-shadow .2s ease;
}
.gallery-item:hover,
.gallery-item:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(18,34,79,.18);
  outline: none;
}
.gallery-item img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  transition: transform .35s ease;
}
.gallery-item:hover img { transform: scale(1.07); }
.gallery-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 16px 16px 14px;
  background: linear-gradient(0deg, rgba(11,23,48,.92), rgba(11,23,48,0));
  color: #fff;
  display: flex;
  flex-direction: column;
}
.gallery-caption strong { font-family: "Poppins", Arial, sans-serif; font-size: .95rem; }
.gallery-caption span { font-size: .78rem; color: rgba(255,255,255,.8); }

/* Lightbox / popup projet */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.lightbox.open { display: flex; }
body.lightbox-locked { overflow: hidden; }
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11,23,48,.88);
}
.lightbox-dialog {
  position: relative;
  z-index: 1;
  background: var(--navy-dark);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-width: 960px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.lightbox-close {
  position: absolute;
  top: 10px;
  right: 14px;
  z-index: 2;
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease;
}
.lightbox-close:hover { background: var(--orange); }
.lightbox-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  min-height: 260px;
}
.lightbox-image-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lightbox-image-wrap img {
  max-width: 100%;
  max-height: 68vh;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  z-index: 2;
  transition: background .15s ease;
}
.lightbox-nav:hover { background: var(--orange); }
.lightbox-prev { left: 14px; }
.lightbox-next { right: 14px; }
.lightbox-footer {
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--navy-dark);
}
.lightbox-info h3 {
  color: #fff;
  font-size: 1.05rem;
  margin: 0 0 4px;
}
.lightbox-counter {
  color: rgba(255,255,255,.7);
  font-size: .85rem;
}
.lightbox-contact { flex-shrink: 0; }

@media (max-width: 640px) {
  .lightbox { padding: 0; }
  .lightbox-dialog { max-height: 100vh; border-radius: 0; }
  .lightbox-image-wrap img { max-height: 50vh; }
  .lightbox-footer { flex-direction: column; align-items: flex-start; }
  .lightbox-contact { width: 100%; text-align: center; }
}

/* Partners */
.partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
  align-items: center;
}
.partner-logo {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
}
.partner-logo img {
  max-height: 60px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(100%) contrast(1.05);
  opacity: .75;
  transition: filter .2s ease, opacity .2s ease;
}
.partner-logo:hover img { filter: grayscale(0%); opacity: 1; }

/* Contact */
.contact-section { background: var(--navy); color: #fff; }
.contact-section .kicker { color: var(--orange); }
.contact-section h2 { color: #fff; }
.contact-lead { color: rgba(255,255,255,.8); max-width: 460px; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list a { color: var(--orange); }
.contact-list a:hover { text-decoration: underline; }
.contact-ico { font-size: 1.3rem; }
.map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 10px;
  border: 1px solid rgba(255,255,255,.15);
}
.map-wrap iframe { width: 100%; height: 220px; border: 0; display: block; }

.contact-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 34px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  box-shadow: var(--shadow);
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--navy);
  font-family: "Poppins", Arial, sans-serif;
}
.contact-form input,
.contact-form textarea {
  font-family: "Open Sans", Arial, sans-serif;
  font-size: .95rem;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-alt);
  color: var(--ink);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--orange);
  background: #fff;
}
.form-status {
  margin: 0;
  font-size: .88rem;
  min-height: 1.2em;
}
.form-status.success { color: #1a7f3c; font-weight: 600; }
.form-status.error { color: #c0392b; font-weight: 600; }

/* Footer */
.site-footer { background: var(--navy-dark); color: rgba(255,255,255,.75); padding: 40px 0; }
.footer-inner { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 40px; background: #fff; border-radius: 6px; padding: 3px; }
.footer-brand div { display: flex; flex-direction: column; text-align: left; font-size: .82rem; }
.footer-brand strong { color: #fff; font-family: "Poppins", Arial, sans-serif; }
.footer-tagline { color: var(--orange); font-weight: 600; margin: 6px 0; }
.footer-copy { font-size: .8rem; margin: 0; }

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #25d366;
  color: #fff;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 8px 22px rgba(0,0,0,.25);
  z-index: 90;
  text-decoration: none;
}

/* Responsive */
@media (max-width: 960px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-media img { height: 300px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .partners-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .main-nav {
    position: fixed;
    top: 74px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 14px 24px rgba(0,0,0,.08);
    transform: translateY(-130%);
    transition: transform .25s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 10px 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: auto; padding: 140px 0 70px; }
  .section { padding: 60px 0; }
}