:root {
  --navy-primary: #003366;
  --navy-dark: #001F3F;
  --accent-gold: #D4AF37;
  --accent-orange: #FF5E36;
  --white: #FFFFFF;
  --gray-light: #F8F9FA;
  --gray-medium: #E9ECEF;
  --text-dark: #2B303A;
  --text-muted: #6C757D;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
}

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

/* Sticky Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  padding: 12px 0;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 12px;
}

.nav-logo {
  height: 45px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-dark);
}

.brand-accent {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--navy-primary);
}

.nav-links a.nav-cta {
  background-color: var(--navy-primary);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
}

.nav-links a.nav-cta:hover {
  background-color: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Hero Section */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: var(--navy-dark) url('../images/WhatsApp%20Image%202026-07-07%20at%2018.36.00.webp') no-repeat center center / cover;
  color: var(--white);
  padding: 120px 20px 80px 20px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(0, 31, 63, 0.6) 0%, rgba(0, 31, 63, 0.95) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-logo {
  max-width: 250px;
  height: auto;
  margin-bottom: 24px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3)) brightness(0) invert(1);
  animation: pulse 3s infinite alternate;
}

@keyframes pulse {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 8px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.hero-tagline {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--accent-gold);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin-bottom: 36px;
  line-height: 1.6;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--white);
  color: var(--navy-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--navy-dark);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.load-more-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
  margin-top: 50px;
}

.load-more-line {
  height: 2px;
  flex-grow: 1;
}

.load-more-line.left {
  background: linear-gradient(to left, var(--accent-gold), transparent);
  opacity: 0.35;
}

.load-more-line.right {
  background: linear-gradient(to right, var(--accent-gold), transparent);
  opacity: 0.35;
}

.btn-load-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: transparent;
  color: var(--accent-gold);
  border: 2px solid var(--accent-gold);
  border-radius: 30px;
  padding: 12px 32px;
  font-family: inherit;
}

.btn-load-more:hover {
  background-color: var(--accent-gold);
  color: var(--navy-dark);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 20px rgba(241, 196, 15, 0.25);
}

.btn-load-more svg {
  transition: var(--transition);
}

.btn-load-more:hover svg {
  transform: translateY(3px);
}

/* Sections General */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 12px;
}

.header-line {
  width: 60px;
  height: 4px;
  background-color: var(--accent-gold);
  margin: 0 auto 20px auto;
  border-radius: 2px;
}

.section-header .subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* About & Layanan */
#about {
  background-color: var(--white);
}

.lead-text {
  font-size: 1.15rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 48px auto;
  color: var(--text-dark);
  line-height: 1.8;
}

.about-content h3 {
  font-size: 1.5rem;
  color: var(--navy-dark);
  text-align: center;
  margin-bottom: 36px;
  font-weight: 700;
}

.services {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.services li {
  background: var(--gray-light);
  padding: 30px;
  border-radius: 8px;
  border-top: 4px solid var(--navy-primary);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.services li:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Service Card Color Variations */
.services li:nth-child(1) {
  border-top-color: var(--navy-primary);
  background-color: rgba(0, 51, 102, 0.02);
}
.services li:nth-child(2) {
  border-top-color: var(--accent-gold);
  background-color: rgba(212, 175, 55, 0.03);
}
.services li:nth-child(3) {
  border-top-color: var(--accent-orange);
  background-color: rgba(255, 94, 54, 0.02);
}
.services li:nth-child(4) {
  border-top-color: var(--navy-dark);
  background-color: rgba(0, 31, 63, 0.02);
}
.services li:nth-child(5) {
  border-top-color: var(--accent-gold);
  background-color: rgba(212, 175, 55, 0.03);
}
.services li:nth-child(6) {
  border-top-color: var(--accent-orange);
  background-color: rgba(255, 94, 54, 0.02);
}

.service-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.services h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 12px;
}

.services p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Features Section */
#features {
  background-color: var(--gray-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: var(--white);
  padding: 40px 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Feature Card Color Variations */
.features-grid .feature-card:nth-child(1) {
  border-left: 4px solid var(--navy-primary);
  background-color: rgba(0, 51, 102, 0.02);
}
.features-grid .feature-card:nth-child(2) {
  border-left: 4px solid var(--accent-gold);
  background-color: rgba(212, 175, 55, 0.03);
}
.features-grid .feature-card:nth-child(3) {
  border-left: 4px solid var(--accent-orange);
  background-color: rgba(255, 94, 54, 0.02);
}

.card-icon {
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: rgba(0, 51, 102, 0.05);
  border-radius: 50%;
  color: var(--navy-primary);
}

.card-icon svg {
  width: 40px;
  height: 40px;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 16px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Portfolio Gallery */
#portfolio {
  background-color: var(--white);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: block;
}

.gallery-item picture,
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-item::after {
  content: 'Lihat Detail';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 31, 63, 0.85);
  color: var(--white);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-item:hover::after {
  opacity: 1;
}

/* Contact Section */
#contact {
  background-color: var(--gray-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: stretch;
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.map-container iframe {
  display: block;
}

.address-container {
  background-color: var(--white);
  padding: 40px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.address-container h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 24px;
}

.address-block {
  margin-bottom: 30px;
}

.addr-label {
  font-weight: 700;
  color: var(--navy-primary);
  margin-bottom: 6px;
}

.addr-text {
  font-size: 0.95rem;
  color: var(--text-dark);
}

.social-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-whatsapp {
  background-color: #25D366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background-color: #1ebd59;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-instagram {
  background-color: var(--navy-dark);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.1);
}

.btn-instagram:hover {
  background-color: #e1306c;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.social-icon {
  fill: currentColor;
}

/* Footer styling */
footer {
  background-color: var(--navy-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  max-width: 80px;
  height: auto;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2)) brightness(0) invert(1);
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.footer-brand p {
  font-size: 0.9rem;
}

.footer-links, .footer-social {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links h5, .footer-social h5 {
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a, .footer-social-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links a:hover, .footer-social-link:hover {
  color: var(--accent-gold);
  padding-left: 5px;
}

.footer-icon {
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  font-size: 0.85rem;
}

/* Floating WhatsApp Button */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1) rotate(5deg);
  background-color: #1ebd59;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
}

/* Fade-in Animation Classes */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .navbar {
    padding: 16px 0;
  }

  .nav-links {
    display: none; /* simple burger menu or hide for basic responsive */
  }

  .hero-logo {
    max-width: 180px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-tagline {
    font-size: 1.25rem;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }
}