/* =============================================
   ISG / OSGB - Ana Site CSS
   Premium Design System
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;800&display=swap');

/* ---- CSS VARIABLES ---- */
:root {
  --blue-900: #0a1628;
  --blue-800: #0d2040;
  --blue-700: #102a5a;
  --blue-600: #1a3a7a;
  --blue-500: #1e4db7;
  --blue-400: #3563d4;
  --blue-300: #6b8fe8;
  --blue-100: #e8f0ff;
  --orange-500: #f97316;
  --orange-400: #fb923c;
  --orange-300: #fed7aa;
  --orange-100: #fff7ed;
  --green-wa:  #25D366;
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-400: #9ca3af;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.1);
  --shadow-md: 0 4px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.18);
  --shadow-xl: 0 20px 80px rgba(0,0,0,.25);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--blue-500); border-radius: 3px; }

/* ---- UTILITIES ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
  color: white;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--gray-900);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title span { color: var(--blue-500); }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-600);
  max-width: 600px;
}
.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(30,77,183,.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(30,77,183,.5);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--blue-500);
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid var(--blue-500);
  transition: var(--transition);
}
.btn-secondary:hover {
  background: var(--blue-500);
  color: white;
  transform: translateY(-2px);
}
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #128C7E, var(--green-wa));
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(37,211,102,.35);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(37,211,102,.5);
}

/* ---- NAVBAR ---- */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all .4s ease;
}
#navbar.scrolled {
  background: rgba(10,22,40,.96);
  backdrop-filter: blur(20px);
  padding: 12px 0;
  box-shadow: 0 2px 40px rgba(0,0,0,.3);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
}
.nav-logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: 0 4px 16px rgba(30,77,183,.5);
  overflow: hidden;
}
.nav-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 2px;
}
.nav-logo-text { line-height: 1.1; }
.nav-logo-title {
  font-size: 1rem;
  font-weight: 800;
  color: white;
  letter-spacing: -.01em;
}
.nav-logo-sub {
  font-size: .65rem;
  font-weight: 500;
  color: rgba(255,255,255,.65);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  font-size: .875rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover, .nav-links a.active {
  color: white;
  background: rgba(255,255,255,.1);
}
.nav-cta {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-400)) !important;
  color: white !important;
  padding: 9px 20px !important;
  border-radius: 50px !important;
  box-shadow: 0 4px 16px rgba(249,115,22,.35);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 24px rgba(249,115,22,.5); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- HERO ---- */
#hero {
  min-height: 100vh;
  background: var(--blue-900);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 70% 50%, rgba(30,77,183,.35) 0%, transparent 70%),
    radial-gradient(ellipse 400px 400px at 10% 80%, rgba(249,115,22,.12) 0%, transparent 60%),
    linear-gradient(135deg, #0a1628 0%, #102a5a 50%, #0a1628 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
/* Floating orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .4;
  animation: float 8s ease-in-out infinite;
}
.orb-1 { width: 400px; height: 400px; background: rgba(30,77,183,.5); top: -10%; right: 10%; animation-delay: 0s; }
.orb-2 { width: 300px; height: 300px; background: rgba(249,115,22,.35); bottom: 10%; left: 5%; animation-delay: 3s; }
.orb-3 { width: 200px; height: 200px; background: rgba(30,77,183,.3); top: 50%; right: 30%; animation-delay: 6s; }
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}
/* Particles */
.particle {
  position: absolute;
  width: 3px; height: 3px;
  background: rgba(255,255,255,.6);
  border-radius: 50%;
  animation: rise linear infinite;
}
@keyframes rise {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: .5; }
  100% { transform: translateY(-100px) scale(1.5); opacity: 0; }
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(249,115,22,.15);
  border: 1px solid rgba(249,115,22,.4);
  color: var(--orange-400);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeSlideUp .8s .2s both;
}
.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--orange-500);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: .7; }
}
.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  color: white;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeSlideUp .8s .4s both;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--orange-500), var(--orange-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 36px;
  animation: fadeSlideUp .8s .6s both;
  max-width: 480px;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeSlideUp .8s .8s both;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  animation: fadeSlideUp .8s 1s both;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: white;
  line-height: 1;
}
.hero-stat-label {
  font-size: .75rem;
  color: rgba(255,255,255,.55);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeSlideLeft .8s .5s both;
}
.hero-card-stack { position: relative; width: 100%; max-width: 420px; }
.hero-main-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
}
.hero-shield {
  font-size: 5rem;
  text-align: center;
  margin-bottom: 20px;
  animation: float 4s ease-in-out infinite;
}
.hero-service-list { display: flex; flex-direction: column; gap: 12px; }
.hero-service-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,.07);
  border-radius: 10px;
  padding: 12px 16px;
  color: rgba(255,255,255,.9);
  font-size: .875rem;
  font-weight: 500;
  border: 1px solid rgba(255,255,255,.08);
  transition: var(--transition);
}
.hero-service-item:hover { background: rgba(255,255,255,.12); }
.hero-service-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.floating-badge {
  position: absolute;
  background: white;
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-800);
  animation: float 4s ease-in-out infinite;
}
.fb-1 { top: -20px; right: -20px; animation-delay: 1s; }
.fb-2 { bottom: -20px; left: -20px; animation-delay: 2.5s; }
.fb-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.fb-icon.green { background: #dcfce7; }
.fb-icon.blue { background: var(--blue-100); }

/* ---- SECTION SHARED ---- */
section { padding: 100px 0; }
.section-header { margin-bottom: 60px; }

/* ---- STATS BAND ---- */
#stats-band {
  background: linear-gradient(135deg, var(--blue-800), var(--blue-700));
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.stat-item {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}
.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: rgba(255,255,255,.15);
}
.stat-number {
  font-size: 3rem;
  font-weight: 900;
  color: white;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number span { color: var(--orange-400); }
.stat-label {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ---- ABOUT ---- */
#about { background: var(--gray-100); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-img {
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
  height: 500px;
  box-shadow: var(--shadow-xl);
}
.about-badge-float {
  position: absolute;
  bottom: 30px;
  right: -30px;
  background: white;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  min-width: 140px;
}
.about-badge-float .num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--blue-500);
  line-height: 1;
}
.about-badge-float .lbl {
  font-size: .8rem;
  color: var(--gray-600);
  font-weight: 500;
  line-height: 1.3;
}
.about-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}
.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: white;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.about-feature:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.about-feat-icon {
  width: 42px; height: 42px;
  background: var(--blue-100);
  color: var(--blue-500);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.about-feat-title { font-weight: 700; font-size: .9rem; color: var(--gray-900); margin-bottom: 2px; }
.about-feat-desc { font-size: .82rem; color: var(--gray-600); }

/* ---- SERVICES ---- */
#services { background: white; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-500), var(--orange-500));
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}
.service-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon-wrap {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--blue-100), #dbeafe);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
  transition: var(--transition);
}
.service-card:hover .service-icon-wrap {
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
}
.service-title { font-size: 1.1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.service-desc { font-size: .875rem; color: var(--gray-600); line-height: 1.65; }
.service-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--blue-500);
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover .service-arrow { opacity: 1; }

/* ---- VIDEOS ---- */
#videos { background: var(--blue-900); }
#videos .section-title { color: white; }
#videos .section-subtitle { color: rgba(255,255,255,.65); }
.videos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.video-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.video-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.3);
  border-color: rgba(255,255,255,.25);
}
.video-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.video-thumb img, .video-thumb .thumb-placeholder {
  width: 100%; height: 100%;
  object-fit: cover;
}
.thumb-placeholder {
  background: linear-gradient(135deg, var(--blue-800), var(--blue-700));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%) scale(0.9);
  width: 60px; height: 60px;
  background: rgba(255,255,255,.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.video-card:hover .play-btn { transform: translate(-50%,-50%) scale(1); background: white; }
.video-info { padding: 18px 20px; }
.video-title { font-size: .95rem; font-weight: 700; color: white; margin-bottom: 6px; line-height: 1.3; }
.video-desc { font-size: .8rem; color: rgba(255,255,255,.55); }

/* Video Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-box {
  width: 90%;
  max-width: 900px;
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transform: scale(.9);
  transition: var(--transition);
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
.modal-overlay.active .modal-box { transform: scale(1); }
.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 36px; height: 36px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  z-index: 10;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
}
.modal-close:hover { background: var(--orange-500); color: white; border-color: var(--orange-500); }
.modal-video-wrap { position: relative; aspect-ratio: 16/9; }
.modal-video-wrap iframe { width: 100%; height: 100%; border: 0; }

/* ---- ARTICLES ---- */
#articles { background: var(--gray-100); }
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.article-card {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.article-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.article-img {
  width: 100%; height: 200px;
  object-fit: cover;
}
.article-img-placeholder {
  width: 100%; height: 200px;
  background: linear-gradient(135deg, var(--blue-100), var(--blue-200));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.article-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.article-date { font-size: .75rem; color: var(--gray-400); font-weight: 500; margin-bottom: 8px; }
.article-title { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; line-height: 1.4; }
.article-summary { font-size: .85rem; color: var(--gray-600); line-height: 1.6; flex: 1; margin-bottom: 16px; }
.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--gray-100);
  padding-top: 14px;
}
.article-social { display: flex; gap: 8px; }
.social-link {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .8rem;
  transition: var(--transition);
}
.social-link.fb { background: #e7f3ff; color: #1877f2; }
.social-link.ig { background: #fce4ec; color: #e1306c; }
.social-link.li { background: #e8f4fd; color: #0077b5; }
.social-link.tw { background: #e7f5fc; color: #1da1f2; }
.social-link:hover { transform: scale(1.2); }
.read-more {
  font-size: .8rem;
  font-weight: 600;
  color: var(--blue-500);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===================== GALLERY ===================== */
.gallery-grid {
  margin-top: 40px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  cursor: pointer;
}
.gallery-img-wrapper {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.gallery-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 40, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  padding: 20px;
  text-align: center;
}
.gallery-zoom {
  font-size: 2rem;
  color: white;
  margin-bottom: 15px;
  transform: translateY(20px);
  transition: transform 0.4s ease;
}
.gallery-caption {
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  transform: translateY(20px);
  transition: transform 0.4s ease 0.1s;
}
.gallery-item:hover .gallery-img-wrapper img {
  transform: scale(1.1);
}
.gallery-item:hover .gallery-overlay {
  opacity: 1;
}
.gallery-item:hover .gallery-zoom,
.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* ---- NEWS ---- */
#news { background: white; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-300); }
.news-img {
  width: 100%; height: 180px;
  object-fit: cover;
}
.news-img-placeholder {
  width: 100%; height: 180px;
  background: linear-gradient(135deg, var(--gray-200), var(--gray-100));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
}
.news-body { padding: 20px; }
.news-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: .75rem;
  color: var(--orange-500);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.news-title { font-size: 1rem; font-weight: 700; color: var(--gray-900); margin-bottom: 8px; line-height: 1.4; }
.news-summary { font-size: .83rem; color: var(--gray-600); line-height: 1.6; }
.news-readmore {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 12px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--blue-500);
}

/* ---- REFERENCES ---- */
#references { background: var(--gray-100); }
.refs-carousel-wrap {
  overflow: hidden;
  position: relative;
}
.refs-carousel-wrap::before,
.refs-carousel-wrap::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 120px;
  z-index: 2;
}
.refs-carousel-wrap::before { left: 0; background: linear-gradient(to right, var(--gray-100), transparent); }
.refs-carousel-wrap::after { right: 0; background: linear-gradient(to left, var(--gray-100), transparent); }
.refs-track {
  display: flex;
  gap: 28px;
  animation: carousel 25s linear infinite;
  width: max-content;
}
.refs-track:hover { animation-play-state: paused; }
@keyframes carousel {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ref-card {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 90px;
  transition: var(--transition);
  cursor: default;
}
.ref-card:hover {
  border-color: var(--blue-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.ref-card img { max-height: 40px; max-width: 140px; object-fit: contain; filter: grayscale(1); transition: var(--transition); }
.ref-card:hover img { filter: grayscale(0); }
.ref-name {
  font-size: .85rem;
  font-weight: 700;
  color: var(--gray-600);
  text-align: center;
  transition: var(--transition);
}
.ref-card:hover .ref-name { color: var(--blue-500); }

/* ---- CONTACT ---- */
#contact { background: white; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--gray-100);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.contact-info-item:hover { background: var(--blue-100); }
.contact-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-detail-label { font-size: .75rem; color: var(--gray-500); font-weight: 500; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 4px; }
.contact-detail-value { font-size: .95rem; font-weight: 600; color: var(--gray-900); }
.contact-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.contact-map {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 280px;
  background: var(--gray-200);
}
.contact-map iframe { width: 100%; height: 100%; border: 0; }
.contact-form-wrap {
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.form-title { font-size: 1.5rem; font-weight: 800; color: var(--gray-900); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--gray-700); }
.form-group input, .form-group textarea, .form-group select {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: .9rem;
  color: var(--gray-900);
  transition: var(--transition);
  background: var(--gray-100);
}
.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  background: white;
  box-shadow: 0 0 0 3px rgba(30,77,183,.12);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--blue-500), var(--blue-400));
  color: white;
  padding: 15px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  box-shadow: 0 4px 20px rgba(30,77,183,.35);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(30,77,183,.5); }
.form-success {
  display: none;
  background: #dcfce7;
  border: 1px solid #86efac;
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
  color: #166534;
  font-weight: 600;
  margin-top: 16px;
}

/* ---- FOOTER ---- */
#footer {
  background: var(--blue-900);
  color: rgba(255,255,255,.75);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand { max-width: 280px; }
.footer-logo { margin-bottom: 16px; }
.footer-desc { font-size: .875rem; line-height: 1.7; color: rgba(255,255,255,.55); margin-bottom: 24px; }
.footer-social { display: flex; gap: 10px; }
.footer-social-link {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  color: rgba(255,255,255,.7);
}
.footer-social-link:hover { background: var(--blue-500); color: white; transform: translateY(-2px); }
.footer-col-title {
  font-size: .8rem;
  font-weight: 700;
  color: white;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover { color: white; padding-left: 4px; }
.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 12px;
}
.footer-contact-icon { color: var(--orange-400); flex-shrink: 0; margin-top: 2px; }
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ---- WHATSAPP FLOAT ---- */
#whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}
.wa-tooltip {
  background: white;
  color: var(--gray-900);
  padding: 8px 14px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  transform: translateX(10px);
  opacity: 0;
  transition: var(--transition);
}
#whatsapp-float:hover .wa-tooltip { opacity: 1; transform: translateX(0); }
.wa-btn {
  width: 60px; height: 60px;
  background: linear-gradient(135deg, #128C7E, var(--green-wa));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 24px rgba(37,211,102,.5);
  transition: var(--transition);
  animation: wa-bounce 2s ease-in-out infinite;
  cursor: pointer;
}
.wa-btn:hover { transform: scale(1.1); box-shadow: 0 8px 36px rgba(37,211,102,.6); }
@keyframes wa-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.wa-pulse {
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--green-wa);
  opacity: .4;
  animation: wa-pulse-anim 2s ease-out infinite;
}
@keyframes wa-pulse-anim {
  0% { transform: scale(1); opacity: .4; }
  100% { transform: scale(1.6); opacity: 0; }
}

/* ---- SCROLL TO TOP ---- */
#scroll-top {
  position: fixed;
  bottom: 32px;
  left: 32px;
  z-index: 998;
  width: 44px; height: 44px;
  background: var(--blue-500);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
}
#scroll-top.visible { opacity: 1; pointer-events: all; }
#scroll-top:hover { background: var(--blue-400); transform: translateY(-3px); }

/* ---- ANIMATIONS ---- */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s 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; }

/* ---- MOBILE NAV ---- */
@media (max-width: 1024px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--blue-900);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 24px;
    gap: 4px;
    transition: var(--transition);
    box-shadow: -10px 0 40px rgba(0,0,0,.3);
  }
  .nav-links.open { right: 0; }
  .nav-links a { width: 100%; padding: 12px 16px; font-size: 1rem; }
  .hamburger { display: flex; }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-image-wrap { display: none; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .videos-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 600px) {
  section { padding: 70px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .contact-form-wrap { padding: 24px; }
}