/* =============================================
   HABENTIS GROUP — Charte graphique principale
   ============================================= */

/* --- Variables -------------------------------- */
:root {
  --primary:      #1a3866;
  --primary-dark: #0f2445;
  --accent:       #e63030;
  --accent-hover: #c42020;
  --blue-mid:     #2563eb;
  --text:         #1e293b;
  --text-light:   #64748b;
  --bg-light:     #f1f5f9;
  --bg-white:     #ffffff;
  --border:       #e2e8f0;
  --shadow-sm:    0 1px 3px rgba(0,0,0,.08);
  --shadow-md:    0 4px 16px rgba(0,0,0,.12);
  --shadow-lg:    0 12px 40px rgba(0,0,0,.16);
  --radius:       8px;
  --radius-lg:    16px;
  --transition:   .3s ease;
  --font:         'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Inter', 'Segoe UI', system-ui, sans-serif;
}

/* --- Reset ------------------------------------ */
*, *::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(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* --- Typography ------------------------------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p  { font-size: 1rem; color: var(--text-light); line-height: 1.7; }

/* --- Utilities -------------------------------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-light); }
.section-dark { background: var(--primary); }
.text-center { text-align: center; }
.text-white { color: var(--bg-white) !important; }
.text-white p { color: rgba(255,255,255,.8) !important; }

.section-label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; max-width: 620px; margin: 0 auto 48px; }

/* --- Buttons ---------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230,48,48,.3);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline-dark {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-dark:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.btn-group { display: flex; flex-wrap: wrap; gap: 16px; }

/* =============================================
   NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 20px 0;
}
.navbar.scrolled {
  background: rgba(26,56,102,.97);
  box-shadow: var(--shadow-md);
  padding: 12px 0;
  backdrop-filter: blur(10px);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.navbar-logo img { height: 50px; width: auto; filter: brightness(0) invert(1); }
.navbar-logo .logo-dark { display: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a, .nav-dropdown > a {
  color: rgba(255,255,255,.9);
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-links a:hover, .nav-dropdown:hover > a {
  background: rgba(255,255,255,.12);
  color: #fff;
}

/* Dropdown */
.nav-dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  z-index: 100;
}
.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  color: var(--text) !important;
  padding: 10px 16px !important;
  border-radius: 6px;
  font-size: .88rem !important;
  font-weight: 500 !important;
  background: transparent !important;
  transition: background var(--transition);
}
.dropdown-menu a:hover { background: var(--bg-light) !important; color: var(--primary) !important; }
.dropdown-menu a svg { flex-shrink: 0; }

.nav-cta {
  padding: 10px 22px !important;
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: var(--radius) !important;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; }

/* Burger */
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-burger span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all var(--transition);
}

/* =============================================
   HERO / SLIDESHOW
   ============================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-video-wrap { position: absolute; inset: 0; }
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,36,69,.85) 0%,
    rgba(26,56,102,.65) 60%,
    rgba(0,0,0,.3) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
}
.hero-badge {
  display: inline-block;
  background: rgba(230,48,48,.9);
  color: #fff;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero-title {
  color: #fff;
  margin-bottom: 20px;
  text-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.hero-subtitle {
  color: rgba(255,255,255,.85);
  font-size: 1.2rem;
  max-width: 680px;
  margin: 0 auto 36px;
}
.hero-btns { justify-content: center; }

/* Slide controls */
.hero-controls {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 10px;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.hero-dot.active {
  background: #fff;
  transform: scale(1.3);
}

/* =============================================
   SERVICES SECTION
   ============================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 0;
}
.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary) 0%, var(--blue-mid) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #fff;
  font-size: 1.6rem;
}
.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.service-card p  { font-size: .9rem; margin-bottom: 16px; }
.service-link {
  font-size: .85rem;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.service-link:hover { gap: 10px; color: var(--accent); }

/* =============================================
   WHY HABENTIS / VALUES
   ============================================= */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.value-item {
  text-align: center;
  padding: 32px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  transition: background var(--transition);
}
.value-item:hover { background: rgba(255,255,255,.1); }
.value-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: rgba(230,48,48,.2);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: #fff;
}
.value-item h4 { color: #fff; margin-bottom: 8px; }
.value-item p  { color: rgba(255,255,255,.7); font-size: .9rem; }

/* =============================================
   STATS BAR
   ============================================= */
.stats-bar { background: var(--primary-dark); padding: 48px 0; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  text-align: center;
}
.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: .85rem; color: rgba(255,255,255,.7); font-weight: 500; }

/* =============================================
   PARTNERS / TECHNOLOGIES
   ============================================= */
.partners-track {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  align-items: center;
  margin-top: 40px;
}
.partner-logo {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  filter: grayscale(100%);
  opacity: .65;
  transition: filter var(--transition), opacity var(--transition), transform var(--transition);
}
.partner-logo:hover { filter: none; opacity: 1; transform: translateY(-3px); }
.partner-logo img { height: 36px; width: auto; object-fit: contain; }
/* Text fallback logos */
.partner-logo-text {
  font-size: .95rem;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
}

/* =============================================
   CTA BANNER
   ============================================= */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, #c42020 100%);
  padding: 80px 0;
  text-align: center;
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.85); font-size: 1.1rem; margin-bottom: 32px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* =============================================
   PAGE HERO (inner pages)
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 140px 0 80px;
  text-align: center;
}
.page-hero h1 { color: #fff; }
.page-hero p  { color: rgba(255,255,255,.8); font-size: 1.1rem; max-width: 600px; margin: 16px auto 0; }
.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  margin-top: 16px;
}
.breadcrumb a { color: rgba(255,255,255,.7); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb span { color: rgba(255,255,255,.4); }

/* =============================================
   TEAM SECTION
   ============================================= */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.team-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-card-img {
  width: 100%; height: 220px;
  background: var(--bg-light);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  color: var(--primary);
}
.team-card-img img { width: 100%; height: 100%; object-fit: cover; }
.team-card-body { padding: 20px; }
.team-card-body h4 { margin-bottom: 4px; }
.team-card-body p { font-size: .85rem; color: var(--text-light); }
.team-social { display: flex; justify-content: center; gap: 10px; margin-top: 12px; }
.team-social a {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: .8rem;
  transition: background var(--transition), color var(--transition);
}
.team-social a:hover { background: var(--primary); color: #fff; }

/* =============================================
   SERVICE DETAIL
   ============================================= */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.service-detail-grid.reverse { direction: rtl; }
.service-detail-grid.reverse > * { direction: ltr; }
.service-detail-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.service-detail-img img { width: 100%; height: 360px; object-fit: cover; }
.service-detail-img .img-placeholder {
  width: 100%; height: 360px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--blue-mid) 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 5rem;
}
.use-cases {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.use-case-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 18px;
  background: var(--bg-light);
  border-radius: var(--radius);
  border-left: 3px solid var(--accent);
}
.use-case-item svg { flex-shrink: 0; color: var(--accent); margin-top: 2px; }
.use-case-item p { font-size: .9rem; margin: 0; }

/* Tech pills */
.tech-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tech-pill {
  padding: 6px 16px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--primary);
}

/* =============================================
   SECTORS / USE CASES
   ============================================= */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.sector-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.sector-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.sector-card-img {
  height: 180px;
  overflow: hidden;
}
.sector-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.sector-card:hover .sector-card-img img { transform: scale(1.06); }
.sector-card-img-placeholder {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--blue-mid) 100%);
  transition: transform .5s ease;
}
.sector-card:hover .sector-card-img-placeholder { transform: scale(1.06); }

/* Filiale badge — service realised by a Habentis Group subsidiary */
.filiale-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(26,56,102,.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-top: 20px;
  font-size: .9rem;
}
.filiale-badge .filiale-badge-icon { font-size: 1.6rem; flex-shrink: 0; }
.filiale-badge a { font-weight: 700; color: var(--accent); }
.filiale-badge a:hover { text-decoration: underline; }
.sector-card-body { padding: 24px; }
.sector-card-body h4 { margin-bottom: 8px; }
.sector-card-body p { font-size: .9rem; margin-bottom: 16px; }
.sector-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(26,56,102,.08);
  color: var(--primary);
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
}

/* =============================================
   CONTACT FORM
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}
.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
}
.contact-info-icon {
  width: 46px; height: 46px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--primary) 0%, var(--blue-mid) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  flex-shrink: 0;
}
.contact-info-item h4 { font-size: .95rem; margin-bottom: 4px; }
.contact-info-item p  { font-size: .9rem; margin: 0; }

.form-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: .95rem;
  color: var(--text);
  background: var(--bg-white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,56,102,.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }

.form-feedback {
  display: none;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .9rem;
  font-weight: 500;
}
.form-feedback.show { display: block; }
.form-feedback.success { background: rgba(22,163,74,.1); color: #16a34a; border: 1px solid rgba(22,163,74,.25); }
.form-feedback.error { background: rgba(230,48,48,.08); color: var(--accent); border: 1px solid rgba(230,48,48,.25); }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--primary-dark);
  padding: 64px 0 0;
  color: rgba(255,255,255,.75);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-logo img { height: 48px; filter: brightness(0) invert(1); margin-bottom: 16px; }
.footer-desc { font-size: .9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.8);
  font-size: .85rem;
  transition: background var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #fff; }
.footer-col h5 { color: #fff; font-size: .95rem; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: .88rem; color: rgba(255,255,255,.65); transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-contact-item { display: flex; gap: 10px; margin-bottom: 14px; font-size: .88rem; }
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .82rem;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: #fff; }

/* =============================================
   ACCORDION (FAQ / Services)
   ============================================= */
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: background var(--transition);
}
.accordion-header:hover { background: var(--bg-light); }
.accordion-header .acc-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition), background var(--transition);
  flex-shrink: 0;
}
.accordion-item.open .accordion-header .acc-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
  padding: 0 24px;
}
.accordion-item.open .accordion-body {
  max-height: 600px;
  padding: 0 24px 20px;
}

/* =============================================
   ANIMATIONS
   ============================================= */
[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-animate].animated {
  opacity: 1;
  transform: translateY(0);
}
[data-delay="1"] { transition-delay: .1s; }
[data-delay="2"] { transition-delay: .2s; }
[data-delay="3"] { transition-delay: .3s; }
[data-delay="4"] { transition-delay: .4s; }
[data-delay="5"] { transition-delay: .5s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .service-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-detail-grid.reverse { direction: ltr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .nav-links { display: none; }
  .nav-burger { display: flex; }

  /* Mobile nav */
  .nav-mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--primary-dark);
    padding: 80px 24px 32px;
    gap: 4px;
    overflow-y: auto;
    z-index: 999;
  }
  .nav-mobile-open .nav-links a,
  .nav-mobile-open .nav-links .nav-dropdown > a {
    padding: 14px 16px;
    font-size: 1.1rem;
  }
  .nav-mobile-open .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: rgba(255,255,255,.05);
    padding: 4px 0 4px 16px;
    margin-top: 4px;
    border-radius: 0;
  }
  .nav-mobile-open .dropdown-menu a {
    color: rgba(255,255,255,.8) !important;
    font-size: .95rem !important;
  }
  .nav-mobile-open .dropdown-menu a:hover {
    background: rgba(255,255,255,.08) !important;
    color: #fff !important;
  }
  .nav-burger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
  .nav-burger.open span:nth-child(2) { opacity: 0; }
  .nav-burger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-subtitle { font-size: 1rem; }
  .btn-group { justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .services-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-card { padding: 24px 20px; }
}