:root {
  --accent: #1E90FF;
  --accent-dark: #1873CC;
  --dark: #111111;
  --dark-2: #1a1a1a;
  --dark-3: #222222;
  --light: #f5f5f5;
  --white: #ffffff;
  --gray: #999999;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  color: var(--light);
  background: var(--dark);
  line-height: 1.6;
}

h1, h2, h3 { font-family: 'Oswald', sans-serif; text-transform: uppercase; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.section { padding: 100px 0; }
.section-dark { background: var(--dark-2); }

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  color: var(--accent);
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.section-sub {
  text-align: center;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 60px;
  font-size: 1.05rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background 0.3s;
}

.navbar.scrolled { background: rgba(17, 17, 17, 0.98); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; }

.logo-img { height: 64px; width: auto; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: var(--light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.3s;
}

.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--accent); border-radius: 2px; transition: all 0.3s; }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(135deg, var(--dark) 0%, #1a1a1a 40%, #0d0d0d 100%);
  padding: 120px 24px 80px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(30,144,255,0.06) 0%, transparent 70%);
}

.hero-content { position: relative; z-index: 1; max-width: 700px; }

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--accent);
  letter-spacing: 4px;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--white);
}

.hero-sub {
  font-size: 0.95rem;
  color: var(--gray);
  margin-bottom: 40px;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 36px;
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: var(--dark);
}

.btn-primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.btn-outline {
  background: transparent;
  color: var(--accent);
}

.btn-outline:hover { background: var(--accent); color: var(--dark); }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--dark-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 40px 32px;
  transition: transform 0.3s, border-color 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.service-icon { font-size: 2.2rem; margin-bottom: 16px; }

.service-card h3 {
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 12px;
  letter-spacing: 1px;
}

.service-card p { color: var(--gray); font-size: 0.95rem; }

/* Gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.gallery-item-wide { grid-column: span 2; }

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: var(--dark-3);
}

.gallery-item img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s;
}

.gallery-item-wide img { height: 360px; }

.gallery-item:hover img { transform: scale(1.03); }

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--light);
}

/* Certifications */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.cert-card {
  background: var(--dark-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s;
}

.cert-card:hover { transform: translateY(-4px); }

.cert-card img {
  width: 100%;
  height: 200px;
  object-fit: contain;
  background: #000;
  display: block;
  padding: 8px;
}

.cert-card h3 {
  font-size: 1.1rem;
  color: var(--accent);
  padding: 16px 20px 4px;
  letter-spacing: 1px;
}

.cert-card p {
  color: var(--gray);
  font-size: 0.9rem;
  padding: 0 20px 20px;
}

/* Community */
.community-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.community-text .section-title { text-align: left; }

.community-text blockquote { margin-top: 24px; }

.community-text blockquote p {
  font-size: 1.1rem;
  font-style: italic;
  color: var(--light);
  margin-bottom: 16px;
  line-height: 1.7;
}

.community-text blockquote cite {
  font-style: normal;
  font-weight: 600;
  color: var(--accent);
  font-size: 0.9rem;
}

.community-image img {
  width: 100%;
  border-radius: 8px;
  border: 2px solid rgba(30,144,255,0.2);
  display: block;
}

/* Contact */
.contact-section { background: var(--dark); }

.contact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 24px;
  background: var(--dark-3);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  text-decoration: none;
  color: var(--light);
  transition: transform 0.3s, border-color 0.3s;
}

a.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.contact-whatsapp:hover { border-color: #25D366; }

.contact-icon { font-size: 2.5rem; margin-bottom: 12px; }

.contact-card h3 {
  font-size: 1.1rem;
  color: var(--accent);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.contact-whatsapp h3 { color: #25D366; }

.contact-card p { font-size: 0.95rem; color: var(--gray); }

/* Footer */
.footer {
  background: var(--dark-2);
  text-align: center;
  padding: 48px 24px 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-logo { height: 60px; width: auto; margin-bottom: 16px; }

.footer p { color: var(--gray); font-size: 0.9rem; margin-bottom: 6px; }

.footer-contact { color: var(--accent); margin-top: 8px; }

.footer-copy { margin-top: 24px; font-size: 0.8rem; }

/* Responsive */
@media (max-width: 768px) {
  .section { padding: 64px 0; }

  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: rgba(17, 17, 17, 0.98);
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s, padding 0.3s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .nav-links.open { max-height: 400px; padding: 16px 0; }

  .nav-links li { width: 100%; text-align: center; }
  .nav-links a { display: block; padding: 12px 0; }

  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item-wide { grid-column: span 1; }
  .gallery-item img, .gallery-item-wide img { height: 220px; }

  .community-content { grid-template-columns: 1fr; gap: 32px; }
  .community-text .section-title { text-align: center; }
  .community-text blockquote p { font-size: 1rem; }

  .hero { padding: 100px 24px 60px; }

  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; letter-spacing: 2px; }
  .hero-tagline { font-size: 1rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; text-align: center; }
  .certs-grid { grid-template-columns: 1fr; }
}

/* Mobile CTA */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 999;
  padding: 10px 16px;
  padding-bottom: max(10px, env(safe-area-inset-bottom));
  background: rgba(17, 17, 17, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

@media (max-width: 768px) {
  .mobile-cta { display: flex; gap: 12px; }
}

.mobile-cta-btn {
  flex: 1;
  display: block;
  text-align: center;
  padding: 14px 0;
  font-family: 'Oswald', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.mobile-cta-btn:active { transform: scale(0.97); }

.mobile-cta-call {
  background: var(--accent);
  color: var(--dark);
}

.mobile-cta-whatsapp {
  background: #25D366;
  color: #fff;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Footer padding for mobile CTA */
@media (max-width: 768px) {
  .footer { padding-bottom: 100px; }
}