/* ============================================================
   CEYCE - main.css
   Sistema de diseño sobre Bootstrap 5
   Colores corporativos: #3FA9F5, #0071BC, #004C8C
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

/* ── Variables CSS ── */
:root {
  --c-accent:     #3FA9F5;
  --c-primary:    #0071BC;
  --c-dark:       #004C8C;
  --c-deeper:     #003066;
  --c-bg-light:   #F4F8FF;
  --c-bg-dark:    #001B3A;
  --c-white:      #FFFFFF;
  --c-text:       #1A2B40;
  --c-text-muted: #5B7A99;
  --c-border:     #D6E8F7;

  --ff-heading: 'Outfit', sans-serif;
  --ff-body:    'Inter', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(0,76,140,.10);
  --shadow-md:  0 6px 24px rgba(0,76,140,.16);
  --shadow-lg:  0 16px 48px rgba(0,76,140,.22);

  --transition: .3s ease;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.7;
  overflow-x: hidden;
}

h1,h2,h3,h4,h5,h6 { font-family: var(--ff-heading); font-weight: 700; color: var(--c-text); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Utilidades ── */
.section-pad { padding: 90px 0; }
.section-pad-sm { padding: 60px 0; }

.text-accent   { color: var(--c-accent) !important; }
.text-primary-c { color: var(--c-primary) !important; }
.text-dark-c   { color: var(--c-dark) !important; }
.bg-dark-c     { background-color: var(--c-bg-dark) !important; }
.bg-light-c    { background-color: var(--c-bg-light) !important; }

.section-label {
  display: inline-block;
  font-family: var(--ff-heading);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--c-text-muted);
  max-width: 620px;
}

.divider-accent {
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-primary));
  margin: 16px 0 32px;
}

/* ── Botones ── */
.btn-ceyce {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-ceyce-primary {
  background: linear-gradient(135deg, var(--c-primary), var(--c-dark));
  color: var(--c-white);
  box-shadow: 0 4px 20px rgba(0,113,188,.35);
}
.btn-ceyce-primary:hover {
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  box-shadow: 0 6px 28px rgba(63,169,245,.4);
  transform: translateY(-2px);
  color: var(--c-white);
}

.btn-ceyce-outline {
  background: transparent;
  border-color: var(--c-white);
  color: var(--c-white);
}
.btn-ceyce-outline:hover {
  background: var(--c-white);
  color: var(--c-primary);
  transform: translateY(-2px);
}

/* ── NAVBAR ── */
#mainNav {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  transition: background .4s ease, box-shadow .4s ease, padding .3s ease;
  padding: 18px 0;
}

#mainNav.nav-scrolled {
  background: rgba(0, 27, 58, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 4px 32px rgba(0,0,0,.25);
  padding: 10px 0;
}

#mainNav .navbar-brand img {
  height: 54px;
  transition: height .3s ease;
}
#mainNav.nav-scrolled .navbar-brand img { height: 42px; }

#mainNav .nav-link {
  font-family: var(--ff-heading);
  font-weight: 500;
  font-size: .95rem;
  color: rgba(255,255,255,.85) !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
#mainNav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 16px; right: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transition: transform .3s ease;
}
#mainNav .nav-link:hover,
#mainNav .nav-link.active {
  color: var(--c-white) !important;
}
#mainNav .nav-link:hover::after,
#mainNav .nav-link.active::after { transform: scaleX(1); }

#mainNav .btn-nav-contact {
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  color: #fff !important;
  padding: 8px 22px !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(63,169,245,.3);
}
#mainNav .btn-nav-contact:hover {
  background: linear-gradient(135deg, var(--c-primary), var(--c-dark));
  box-shadow: 0 4px 18px rgba(0,113,188,.4);
  transform: translateY(-1px);
}
#mainNav .btn-nav-contact::after { display: none; }

.navbar-toggler {
  border-color: rgba(255,255,255,.3);
}
.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ── HERO ── */
#hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
  background: var(--c-bg-dark);
}

.hero-slider {
  position: absolute;
  inset: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slide.active { opacity: 1; }

.hero-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,27,58,.78) 0%,
    rgba(0,76,140,.50) 50%,
    rgba(0,27,58,.40) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  height: 100vh;
  min-height: 620px;
  display: flex;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(63,169,245,.2);
  border: 1px solid rgba(63,169,245,.45);
  border-radius: 50px;
  padding: 6px 18px;
  font-family: var(--ff-heading);
  font-size: .82rem;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: .1em;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.hero-badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-accent);
  animation: pulse-dot 1.8s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .5; transform: scale(.7); }
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  color: var(--c-white);
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.hero-title span { color: var(--c-accent); }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.82);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-slider-controls {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 10px;
}
.hero-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  padding: 0;
}
.hero-dot.active, .hero-dot:hover {
  background: var(--c-accent);
  transform: scale(1.3);
}

.hero-arrows {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: flex;
  justify-content: space-between;
  width: 100%;
  padding: 0 20px;
  pointer-events: none;
}
.hero-arrow {
  pointer-events: all;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  backdrop-filter: blur(8px);
  color: white;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}
.hero-arrow:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
}

/* ── STATS BAR ── */
#stats-bar {
  background: linear-gradient(135deg, var(--c-dark), var(--c-deeper));
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}
#stats-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%233FA9F5' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stat-item { text-align: center; padding: 10px; }
.stat-number {
  font-family: var(--ff-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
  display: block;
}
.stat-label {
  font-family: var(--ff-heading);
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  margin-top: 6px;
  letter-spacing: .04em;
  display: block;
}
.stat-divider {
  width: 1px;
  background: rgba(255,255,255,.12);
  align-self: stretch;
}

/* ── SERVICES ── */
#services { background: var(--c-bg-light); }

.service-card {
  background: var(--c-white);
  border-radius: var(--radius-md);
  padding: 36px 28px 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  transition: var(--transition);
  height: 100%;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-primary));
  transform: scaleX(0);
  transition: transform .4s ease;
}
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-accent);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 62px; height: 62px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(63,169,245,.12), rgba(0,113,188,.08));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.7rem;
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
}

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 10px;
}
.service-card p {
  font-size: .9rem;
  color: var(--c-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ── VIDEO ── */
#video-section {
  background: var(--c-bg-dark);
  position: relative;
  overflow: hidden;
}
#video-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(63,169,245,.08) 0%, transparent 60%);
}

.video-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(63,169,245,.2);
}

/* ── GALLERY ── */
#gallery { background: var(--c-white); }

.gallery-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 8px 22px;
  border-radius: 50px;
  font-family: var(--ff-heading);
  font-size: .88rem;
  font-weight: 600;
  border: 2px solid var(--c-border);
  background: transparent;
  color: var(--c-text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 991px) { .gallery-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 767px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .gallery-grid { grid-template-columns: 1fr 1fr; gap: 10px; } }

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--c-bg-light);
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,76,140,.7), transparent);
  opacity: 0;
  transition: var(--transition);
  display: flex;
  align-items: flex-end;
  padding: 16px;
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay-icon {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--c-white);
  color: var(--c-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  margin-left: auto;
}

.gallery-item.hidden { display: none; }

.btn-load-more {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 36px auto 0;
  padding: 13px 36px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 2px solid var(--c-primary);
  color: var(--c-primary);
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .95rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-load-more:hover {
  background: var(--c-primary);
  color: var(--c-white);
}

/* ── LIGHTBOX ── */
#lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,.92);
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
}
#lightbox.active { display: flex; }

.lb-inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
#lb-img {
  max-width: 88vw;
  max-height: 84vh;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
  object-fit: contain;
}
.lb-close {
  position: fixed;
  top: 20px; right: 24px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.lb-close:hover { background: var(--c-primary); }
.lb-prev, .lb-next {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 50px; height: 50px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  border: none;
  color: white;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.lb-prev { left: 16px; }
.lb-next { right: 16px; }
.lb-prev:hover, .lb-next:hover { background: var(--c-primary); }

/* ── ABOUT ── */
#about { background: var(--c-bg-light); }

.about-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}
.about-badge-float {
  position: absolute;
  bottom: 24px; left: 24px;
  background: linear-gradient(135deg, var(--c-dark), var(--c-deeper));
  color: white;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.about-badge-float .badge-num {
  font-family: var(--ff-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
  display: block;
}
.about-badge-float .badge-label {
  font-size: .78rem;
  color: rgba(255,255,255,.75);
  margin-top: 4px;
  display: block;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}
.feature-icon-wrap {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(63,169,245,.12), rgba(0,113,188,.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.feature-item h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-dark);
  margin-bottom: 4px;
}
.feature-item p {
  font-size: .88rem;
  color: var(--c-text-muted);
  margin: 0;
}

/* ── CLIENTS ── */
#clients { background: var(--c-white); }

.client-logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px 32px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  background: var(--c-white);
  transition: var(--transition);
}
.client-logo-wrap img {
  max-height: 64px;
  max-width: 160px;
  object-fit: contain;
  filter: grayscale(100%) opacity(.5);
  transition: var(--transition);
}
.client-logo-wrap:hover {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-md);
}
.client-logo-wrap:hover img {
  filter: grayscale(0%) opacity(1);
}

/* ── CONTACT ── */
#contact { background: var(--c-bg-dark); position: relative; overflow: hidden; }
#contact::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63,169,245,.08) 0%, transparent 70%);
}

.contact-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 40px 36px;
  backdrop-filter: blur(8px);
}

.form-floating>.form-control {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  color: white;
  transition: var(--transition);
}
.form-floating>.form-control:focus {
  background: rgba(255,255,255,.10);
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(63,169,245,.2);
  color: white;
}
.form-floating>label { color: rgba(255,255,255,.55); font-size: .92rem; }
.form-floating>.form-control:focus ~ label,
.form-floating>.form-control:not(:placeholder-shown) ~ label { color: var(--c-accent); }

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}
.contact-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--c-accent), var(--c-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: white;
}
.contact-info-item h6 {
  font-size: .8rem;
  font-weight: 700;
  color: var(--c-accent);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 3px;
}
.contact-info-item p {
  font-size: .92rem;
  color: rgba(255,255,255,.75);
  margin: 0;
}

/* ── FOOTER ── */
footer {
  background: var(--c-deeper);
  padding: 36px 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-logo img { height: 44px; }
.footer-text {
  font-size: .85rem;
  color: rgba(255,255,255,.45);
}
.footer-copy {
  font-size: .82rem;
  color: rgba(255,255,255,.3);
}

/* ── WhatsApp Floating Button ── */
#whatsapp-btn {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  box-shadow: 0 6px 24px rgba(37,211,102,.45);
  transition: var(--transition);
  text-decoration: none;
}
#whatsapp-btn:hover {
  transform: scale(1.12);
  box-shadow: 0 10px 32px rgba(37,211,102,.55);
  color: white;
}

/* ── Scroll to Top ── */
#scroll-top {
  position: fixed;
  bottom: 96px; right: 28px;
  z-index: 998;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-primary);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
#scroll-top.visible { opacity: 1; pointer-events: all; }
#scroll-top:hover { background: var(--c-dark); transform: translateY(-3px); }

/* ── Animaciones de entrada ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* ── Preloader ── */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--c-bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .5s ease;
}
#preloader.hide { opacity: 0; pointer-events: none; }
.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.preloader-logo { height: 60px; }
.preloader-bar {
  width: 200px; height: 3px;
  background: rgba(255,255,255,.1);
  border-radius: 2px;
  overflow: hidden;
}
.preloader-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--c-accent), var(--c-primary));
  animation: preload-anim 1.4s ease forwards;
}
@keyframes preload-anim {
  from { width: 0; }
  to   { width: 100%; }
}

/* ── Responsive tweaks ── */
@media (max-width: 991px) {
  .section-pad { padding: 70px 0; }
  #mainNav .navbar-collapse {
    background: rgba(0,27,58,.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-top: 10px;
  }
}
@media (max-width: 767px) {
  .section-pad { padding: 52px 0; }
  .hero-title { font-size: 2rem; }
  .stat-divider { display: none; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .about-img-wrapper { margin-bottom: 32px; min-height: 260px; }
  .lb-prev { left: 6px; }
  .lb-next { right: 6px; }
}