/* =============================================
   OITS-FRANCE — Main Stylesheet
   ============================================= */

:root {
  --green-dark: #0f2819;
  --green-mid: #1e5c35;
  --green-light: #3a8a55;
  --green-accent: #4caf70;
  --gold: #b8c4b2;
  --gold-light: #d6e0d2;
  --cream: #f2f4f1;
  --white: #ffffff;
  --dark: #0e1a12;
  --gray: #5e6e62;
  --gray-mid: #8a9e8f;
  --gray-light: #e4ebe5;
  --silver: #c8d4ca;
  --shadow: 0 8px 40px rgba(15,40,25,0.14);
  --shadow-hover: 0 16px 60px rgba(15,40,25,0.24);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --font-display: 'Playfair Display', serif;
  --font-body: 'DM Sans', sans-serif;
  --font-arabic: 'Amiri', serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--dark);
  overflow-x: hidden;
}
body[lang="ar"] {
  font-family: var(--font-arabic);
  direction: rtl;
}

img { max-width: 100%; display: block; }

.container {
  width: 92%;
  max-width: 1280px;
  margin: 0 auto;
}
.section { padding: 100px 0; }

/* ===== LOADER ===== */
#loader { display: none; }

/* ===== HEADER ===== */
#header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: var(--transition);
}
#header.scrolled {
  background: rgba(26, 58, 42, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 4%;
  gap: 1rem;
}
.nav-logo { cursor: pointer; }
.logo-text {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: 2px;
  display: block;
}
.logo-accent { color: var(--gold); }
.logo-tagline {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 100px;
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}
.nav-actions { display: flex; align-items: center; gap: 1rem; }

.lang-switcher { display: flex; gap: 4px; }

/* Hero language switcher */
.hero-lang-switcher {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 2rem;
}
.hero-lang-switcher .lang-btn {
  background: rgba(255,255,255,0.15);
  border: 1.5px solid rgba(255,255,255,0.45);
  color: rgba(255,255,255,0.95);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 1px;
  font-family: var(--font-body);
  backdrop-filter: blur(6px);
}
.hero-lang-switcher .lang-btn.active,
.hero-lang-switcher .lang-btn:hover {
  background: var(--green-light);
  border-color: var(--green-light);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(58,138,85,0.4);
}
.lang-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  cursor: pointer;
  transition: var(--transition);
}
.lang-btn.active, .lang-btn:hover {
  background: var(--green-light);
  border-color: var(--green-light);
  color: var(--white);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: heroZoom 8s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.02); } to { transform: scale(1.08); } }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(15,40,25,0.92) 0%, rgba(22,55,35,0.72) 55%, rgba(30,70,45,0.55) 100%);
}
.hero-content {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 2rem;
  animation: fadeUp 1s 0.5s both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: translateY(0); } }

.hero-badge {
  display: inline-block;
  background: var(--green-dark);
  border: 1px solid var(--green-mid);
  color: var(--silver);
  padding: 0.45rem 1.5rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-top: 5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 14px rgba(15,40,25,0.35);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 1.5rem;
}
.hero-title .line1 { display: block; color: var(--white); }
.hero-title .line2 { display: block; color: var(--green-dark); }
.hero-sub {
  font-size: 1.1rem;
  color: #0e1a12;
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto 2.5rem;
}
.hero-cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary { background: var(--green-light); color: var(--white); border-color: var(--green-light); }
.btn-primary:hover {
  background: var(--green-accent);
  border-color: var(--green-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(58,138,85,0.4);
}
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; }
.btn-sm { padding: 0.6rem 1.4rem; font-size: 0.85rem; }

/* ===== FLAGS ===== */
.flags-strip {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  background: rgba(15,40,25,0.88);
  backdrop-filter: blur(8px);
  border-top: 1px solid rgba(184,196,178,0.2);
  padding: 0.7rem 0;
  overflow: hidden;
}
.flags-inner {
  display: flex;
  gap: 1.8rem;
  align-items: center;
  padding: 0 1rem;
  width: max-content;
  animation: flagsScroll 30s linear infinite;
}
.flags-inner:hover { animation-play-state: paused; }
@keyframes flagsScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.flag-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.8rem;
  font-weight: 500;
}
.flag-item img {
  width: 28px; height: 20px;
  object-fit: cover;
  border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}
.section-tag {
  display: inline-block;
  background: var(--green-mid);
  color: var(--gray-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-header p { color: var(--gray); line-height: 1.7; }

/* ===== ABOUT ===== */
.about { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-img-block { position: relative; }
.about-img-block img {
  width: 100%; height: 500px;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.about-badge-card {
  position: absolute;
  bottom: -24px; right: -24px;
  background: var(--green-mid);
  color: var(--gray-light);
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 8px 30px rgba(30,92,53,0.35);
  border: 1px solid rgba(184,196,178,0.15);
}
.about-badge-card .big-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  line-height: 1;
}
.about-badge-card .small-txt {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1.25;
  margin-bottom: 1.5rem;
  margin-top: 0.5rem;
}
.about-content p { color: var(--gray); line-height: 1.8; margin-bottom: 2rem; }
.about-stats { display: flex; flex-direction: column; gap: 1rem; }
.stat-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--gray-light);
  border-radius: var(--radius-sm);
}
.stat-item i { font-size: 1.3rem; color: var(--green-mid); width: 24px; text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green-dark);
  line-height: 1;
}
.stat-label { display: block; font-size: 0.8rem; color: var(--gray); }

/* ===== SECTORS ===== */
.sectors { background: var(--cream); }
.sectors-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }

.sector-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.sector-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.sector-img { position: relative; height: 200px; overflow: hidden; }
.sector-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.sector-card:hover .sector-img img { transform: scale(1.05); }
.sector-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(26,58,42,0.7));
}
.sector-body { padding: 1.8rem; }
.sector-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-mid));
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--gray-light);
  margin-bottom: 1rem;
  margin-top: -38px;
  position: relative; z-index: 1;
  box-shadow: 0 4px 15px rgba(15,40,25,0.35);
  border: 1px solid rgba(184,196,178,0.15);
}
.sector-body h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 0.7rem;
}
.sector-body p { font-size: 0.88rem; color: var(--gray); line-height: 1.7; margin-bottom: 1.2rem; }
.apply-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 2px solid var(--green-mid);
  color: var(--green-mid);
  padding: 0.55rem 1.2rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-body);
}
.apply-toggle-btn:hover, .apply-toggle-btn.active {
  background: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--gray-light);
}

.apply-form-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
  background: var(--gray-light);
}
.apply-form-panel.open { max-height: 600px; padding: 1.5rem; }
.apply-form-inner h4 {
  font-family: var(--font-display);
  color: var(--green-dark);
  margin-bottom: 1rem;
  font-size: 1rem;
}
.mini-form { display: flex; flex-direction: column; gap: 0.7rem; }
.mini-form input, .mini-form select, .mini-form textarea {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1.5px solid rgba(45,106,79,0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  background: var(--white);
  color: var(--dark);
  transition: var(--transition);
  outline: none;
}
.mini-form input:focus, .mini-form select:focus, .mini-form textarea:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(45,106,79,0.1);
}

/* ===== GALLERY ===== */
.gallery { background: var(--white); }
.gallery-filter {
  display: flex; gap: 0.7rem;
  justify-content: center; flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.5rem 1.3rem;
  border: 2px solid var(--gray-light);
  background: var(--white);
  border-radius: 100px;
  font-size: 0.85rem; font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  color: var(--gray);
  font-family: var(--font-body);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--green-mid); border-color: var(--green-mid); color: var(--white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  max-height: 200px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
  transition: var(--transition);
}
.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.16);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.07); }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(26,58,42,0.9), transparent);
  color: var(--white); font-size: 0.82rem; font-weight: 600;
  padding: 1.5rem 1rem 0.8rem;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.gallery-item:hover .gallery-caption { transform: translateY(0); }
.gallery-item.hidden { display: none; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
  padding: 2rem;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-bg {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9998;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
}
.lightbox-bg.open { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 90vw; max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
  position: relative; z-index: 10000;
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-size: 1.1rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  z-index: 10001;
}
.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
  background: var(--gold); border-color: var(--gold); color: var(--dark);
}
#lightboxCaption {
  position: absolute; bottom: 1.5rem;
  color: #0e1a12; font-size: 0.9rem;
  z-index: 10001; text-align: center;
}

/* ===== VIDEO ===== */
.video-section { background: var(--cream); }
.video-wrapper { display: grid; grid-template-columns: 1.4fr 1fr; gap: 3rem; align-items: center; }
.video-embed {
  position: relative; border-radius: var(--radius); overflow: hidden;
  padding-bottom: 56.25%; height: 0;
  box-shadow: var(--shadow);
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.video-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem; color: var(--green-dark);
  margin-bottom: 1.5rem; line-height: 1.3;
}
.video-info ul { list-style: none; display: flex; flex-direction: column; gap: 0.8rem; }
.video-info li {
  display: flex; align-items: flex-start; gap: 0.7rem;
  font-size: 0.92rem; color: var(--gray); line-height: 1.5;
}
.video-info li i { color: var(--green-mid); margin-top: 2px; flex-shrink: 0; }

/* ===== CONTACT ===== */
.contact { background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.2rem; }
.info-card {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--gray-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.info-card:hover { background: rgba(45,106,79,0.08); }
.info-icon {
  width: 42px; height: 42px;
  background: var(--green-mid);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1rem;
  flex-shrink: 0;
}
.info-card h4 {
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--gray); margin-bottom: 0.2rem;
}
.info-card p { color: var(--green-dark); font-weight: 500; }
.social-links { display: flex; gap: 0.8rem; padding-top: 0.5rem; }
.social-links a {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--gray-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--green-mid); font-size: 1rem;
  text-decoration: none; transition: var(--transition);
}
.social-links a:hover { background: var(--green-mid); color: var(--white); transform: translateY(-2px); }

.contact-form-block {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 2.5rem;
}
.contact-form { display: flex; flex-direction: column; gap: 1.2rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--green-dark); }
.form-group input, .form-group select, .form-group textarea {
  padding: 0.8rem 1rem;
  border: 1.5px solid rgba(45,106,79,0.2);
  border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 0.9rem;
  background: var(--white); color: var(--dark);
  transition: var(--transition); outline: none; resize: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 4px rgba(45,106,79,0.1);
}

.form-success {
  display: none;
  align-items: center; gap: 0.8rem;
  background: rgba(82,183,136,0.15);
  border: 1.5px solid var(--green-light);
  color: var(--green-mid);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
}
.form-success.visible { display: flex; animation: fadeUp 0.4s ease; }
.form-success i { font-size: 1.3rem; }

/* ===== FOOTER ===== */
.footer { background: var(--green-dark); color: rgba(255,255,255,0.75); }
.footer-top { padding: 4rem 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 3rem; }
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.8rem; font-weight: 900;
  color: var(--white); letter-spacing: 2px;
  margin-bottom: 1rem;
}
.footer-logo span { color: var(--silver); }
.footer-brand p { font-size: 0.88rem; line-height: 1.7; color: rgba(255,255,255,0.6); }
.footer-links-block h4, .footer-flags h4 {
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--silver); margin-bottom: 1.2rem;
}
.footer-links-block ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-links-block a {
  color: rgba(255,255,255,0.65);
  text-decoration: none; font-size: 0.88rem;
  transition: var(--transition);
}
.footer-links-block a:hover { color: var(--gold); }
.footer-flags-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-flags-grid img {
  width: 32px; height: 22px;
  object-fit: cover; border-radius: 3px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
  transition: var(--transition); cursor: pointer;
}
.footer-flags-grid img:hover { transform: scale(1.15); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0;
}
.footer-bottom .container {
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.45); }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--green-mid); color: var(--white);
  border: none; font-size: 1rem; cursor: pointer;
  box-shadow: 0 4px 20px rgba(30,92,53,0.4);
  transition: var(--transition);
  opacity: 0; visibility: hidden; z-index: 500;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-3px); background: var(--green-light); }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 5rem; right: 2rem;
  background: var(--green-dark); color: var(--white);
  padding: 0.85rem 1.5rem; border-radius: var(--radius-sm);
  font-size: 0.88rem; font-weight: 500;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition); z-index: 600;
  border-left: 3px solid var(--silver); max-width: 300px;
}
.toast.show { opacity: 1; visibility: visible; transform: translateY(0); }

/* ===== SUIVI ===== */
.suivi-section {
  background: var(--white);
  padding: 3.5rem 0;
  border-top: 1px solid var(--gray-light);
}
.suivi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
  max-width: 860px;
  margin: 0 auto;
}
.suivi-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  background: #1a9fd4;
  color: var(--white);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 600;
  font-family: var(--font-body);
  padding: 1.3rem 2rem;
  border-radius: 14px;
  letter-spacing: 0.3px;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(26,159,212,0.28);
}
.suivi-btn i { font-size: 1.2rem; }
.suivi-btn:hover {
  background: #1589b8;
  transform: translateY(-3px);
  box-shadow: 0 12px 36px rgba(26,159,212,0.38);
}
.suivi-btn:active { transform: translateY(-1px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .sectors-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-img-block img { height: 350px; }
  .about-badge-card { right: 0; bottom: -20px; }
  .video-wrapper { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: 0; right: -100%;
    width: 280px; height: 100vh;
    background: var(--green-dark);
    flex-direction: column;
    padding: 6rem 2rem 2rem;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0,0,0,0.3);
    gap: 0.3rem; z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-links a { padding: 0.8rem 1rem; display: block; font-size: 1rem; }
  .hamburger { display: flex; }
  .sectors-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .flags-inner { gap: 0.8rem; }
  .flag-item span { display: none; }
  .section { padding: 70px 0; }
  .hero-content { padding: 7rem 1.5rem 6rem; }
}
@media (max-width: 600px) {
  .suivi-grid { grid-template-columns: 1fr; }
  .suivi-btn { font-size: 1rem; padding: 1.1rem 1.5rem; }
}

  .gallery-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: center; }
  .contact-form-block { padding: 1.5rem; }
  .about-badge-card { position: static; margin-top: 1rem; display: inline-block; }
}