/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #1a3c6e;
  --primary-dark: #0f2548;
  --primary-light: #2a5298;
  --accent: #e8a020;
  --accent-dark: #c78010;
  --text: #1e2d3d;
  --text-muted: #5a6a7a;
  --bg: #f5f7fa;
  --white: #ffffff;
  --border: #dde3ea;
  --shadow: 0 4px 24px rgba(26, 60, 110, 0.10);
  --shadow-lg: 0 8px 40px rgba(26, 60, 110, 0.16);
  --radius: 12px;
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #ffffff;
  border-bottom: 2px solid #e2e8f0;
  transition: box-shadow var(--transition);
}
#navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.10); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo { display: flex; align-items: center; }
.logo-img { height: 48px; width: auto; max-width: 200px; object-fit: contain; }
.footer-logo { height: 44px; margin-bottom: 16px; filter: brightness(0) invert(1); }

nav { display: flex; align-items: center; }
.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
  padding-bottom: 2px;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* ===== LANGUAGE SWITCHER ===== */
.lang-switcher {
  position: relative;
  margin-left: 20px;
  padding-left: 20px;
  border-left: 1.5px solid #e2e8f0;
}
.lang-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: #f1f5f9;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  transition: all var(--transition);
  white-space: nowrap;
}
.lang-trigger:hover {
  background: #e8eef5;
  border-color: #c8d5e4;
}
.lang-trigger .flag { font-size: 1.2rem; line-height: 1; }
.lang-trigger .lang-code { letter-spacing: 0.5px; }
.lang-trigger .chevron {
  font-size: 0.65rem;
  color: var(--text-muted);
  transition: transform var(--transition);
  margin-left: 2px;
}
.lang-switcher.open .lang-trigger { background: #e8eef5; border-color: var(--primary); }
.lang-switcher.open .chevron { transform: rotate(180deg); }

.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  overflow: hidden;
  min-width: 160px;
  z-index: 100;
}
.lang-switcher.open .lang-dropdown { display: block; }

.lang-option {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 16px;
  background: none;
  border: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background var(--transition);
  text-align: left;
}
.lang-option:hover { background: #f8fafc; }
.lang-option.active {
  background: #eef3fb;
  color: var(--primary);
  font-weight: 700;
}
.lang-option .flag { font-size: 1.25rem; line-height: 1; }
.lang-option .lang-name { flex: 1; }
.lang-option .check {
  font-size: 0.75rem;
  color: var(--primary);
  opacity: 0;
}
.lang-option.active .check { opacity: 1; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,160,32,0.35);
}
.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);
}
.btn-whatsapp {
  background: #25d366;
  color: var(--white);
  border-color: #25d366;
  margin-top: 24px;
  font-size: 1rem;
  padding: 14px 32px;
}
.btn-whatsapp:hover {
  background: #1db954;
  border-color: #1db954;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.35);
}
.full-width { width: 100%; justify-content: center; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1e4d9b 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero::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='%23ffffff' fill-opacity='0.03'%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");
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(42,82,152,0.4) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding: 80px 24px;
}

.hero-eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-sub {
  color: rgba(255,255,255,0.8);
  font-size: 1.1rem;
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.5);
  font-size: 1.2rem;
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== HIGHLIGHTS ===== */
.highlights {
  background: var(--white);
  padding: 0;
  margin-top: -1px;
}
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--border);
}
.highlight-card {
  padding: 40px 32px;
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background var(--transition);
}
.highlight-card:last-child { border-right: none; }
.highlight-card:hover { background: var(--bg); }
.highlight-card i {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.highlight-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.highlight-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== SECTION BASE ===== */
.section { padding: 96px 0; }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-header.light h2,
.section-header.light p { color: var(--white); }
.section-header.light .section-tag { color: var(--accent); }

.section-tag {
  display: inline-block;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 16px;
}
.section-header p {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ===== SERVICES ===== */
.services { background: var(--bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 32px;
  border: 1px solid var(--border);
  position: relative;
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.service-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.service-badge {
  position: absolute;
  top: -12px; right: 24px;
  background: var(--primary);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.service-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.service-icon i { font-size: 1.4rem; color: var(--white); }
.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.service-card > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.service-card ul { display: flex; flex-direction: column; gap: 8px; }
.service-card ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text);
}
.service-card ul li i { color: var(--accent); font-size: 0.75rem; }
.btn-service {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 10px 22px;
  background: var(--primary);
  color: var(--white);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition);
  border: 2px solid var(--primary);
}
.btn-service:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(26,60,110,0.3);
}

/* ===== PORTFOLIO ===== */
.portfolio {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.portfolio-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}
.portfolio-card:hover {
  background: rgba(255,255,255,0.12);
  transform: translateY(-4px);
}
.portfolio-icon {
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.portfolio-icon i { font-size: 1.4rem; color: var(--primary-dark); }
.portfolio-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.portfolio-card p { font-size: 0.875rem; color: rgba(255,255,255,0.7); margin-bottom: 20px; }
.portfolio-tag {
  display: inline-block;
  background: rgba(232,160,32,0.2);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 20px;
  border: 1px solid rgba(232,160,32,0.3);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ===== ABOUT ===== */
.about { background: var(--white); }
.about-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 80px;
  align-items: start;
}
.about-text .section-tag { display: block; margin-bottom: 12px; }
.about-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 20px;
}
.about-text > p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-text strong { color: var(--primary); }

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.mvv-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px;
  border-left: 3px solid var(--primary);
}
.mvv-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.mvv-card h4 i { color: var(--primary); }
.mvv-card p { font-size: 0.825rem; color: var(--text-muted); line-height: 1.6; }

.about-stats {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 180px;
}
.stat {
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid var(--border);
}
.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== CONTACT ===== */
.contact { background: var(--bg); }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info .section-tag { display: block; margin-bottom: 12px; }
.contact-info h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
}
.contact-info > p { color: var(--text-muted); margin-bottom: 32px; }

.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.country-flag { font-size: 1rem; line-height: 1; vertical-align: middle; margin-right: 2px; }

.contact-item i {
  font-size: 1.2rem;
  color: var(--primary);
  width: 40px;
  height: 40px;
  background: rgba(26,60,110,0.08);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item .fab.fa-whatsapp { color: #25d366; background: rgba(37,211,102,0.1); }
.contact-item div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.contact-item strong { font-size: 0.85rem; color: var(--primary-dark); font-weight: 700; }
.contact-item a, .contact-item span { font-size: 0.9rem; color: var(--text-muted); }
.contact-item a:hover { color: var(--primary); }

/* FORM */
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.contact-form h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 24px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,60,110,0.1);
  background: var(--white);
}
.form-group textarea { resize: vertical; }
.form-success {
  display: none;
  text-align: center;
  padding: 24px;
  color: #16a34a;
  font-weight: 600;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 24px 40px;
}
.footer-brand .logo-text { color: var(--white); }
.footer-brand .logo-sub { display: block; color: var(--accent); margin-bottom: 16px; }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; }

.footer-links h4,
.footer-contact h4 {
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.875rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.footer-contact p {
  font-size: 0.875rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  padding: 20px 24px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--white);
  box-shadow: 0 4px 16px rgba(37,211,102,0.5);
  transition: all var(--transition);
  z-index: 999;
  animation: pulse 2.5s infinite;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,0.6);
  animation: none;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 4px 32px rgba(37,211,102,0.8); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
  .highlight-card:nth-child(2) { border-right: none; }
  .highlight-card:nth-child(3) { border-top: 1px solid var(--border); }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { flex-direction: row; flex-wrap: wrap; min-width: unset; }
  .stat { flex: 1; min-width: 120px; }
  .mvv-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 20px 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--border); }
  .nav-links a { display: block; padding: 14px 0; color: var(--text); }
  .nav-links a::after { display: none; }

  .lang-switcher { border-left: none; padding-left: 0; margin-left: 0; }
  .lang-dropdown { right: auto; left: 0; }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; padding: 40px 24px 32px; }
  .highlights-grid { grid-template-columns: 1fr; }
  .highlight-card { border-right: none; border-bottom: 1px solid var(--border); }
  .highlight-card:last-child { border-bottom: none; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
}