/* Thiết kế theo default.html — scope trong #default-landing-root */
#default-landing-root {
  --dl-primary-color: #0b192c;
  --dl-secondary-color: #1a365d;
  --dl-gold-light: #f6e5a7;
  --dl-gold-main: #d4af37;
  --dl-gold-dark: #aa8b2c;
  --dl-text-light: #f8fafc;
  --dl-text-dark: #1e293b;
  --dl-text-muted: #64748b;
  --dl-bg-light: #fafafa;
  --dl-bg-white: #ffffff;
  --dl-font-heading: 'Playfair Display', serif;
  --dl-font-body: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --dl-transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: var(--dl-font-body);
  color: var(--dl-text-dark);
  background-color: var(--dl-bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}
#default-landing-root *,
#default-landing-root *::before,
#default-landing-root *::after {
  box-sizing: border-box;
}
#default-landing-root a {
  text-decoration: none;
  color: inherit;
}
#default-landing-root ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
#default-landing-root .dl-text-gold {
  color: var(--dl-gold-main);
}
#default-landing-root .dl-text-center {
  text-align: center;
}
#default-landing-root .dl-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}
#default-landing-root .dl-reveal.dl-reveal-active {
  opacity: 1;
  transform: translateY(0);
}
#default-landing-root .dl-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
#default-landing-root .dl-hero {
  position: relative;
  background:
    linear-gradient(to bottom, rgba(11, 25, 44, 0.85), rgba(11, 25, 44, 0.95)),
    url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat fixed;
  color: var(--dl-text-light);
  padding: 120px 0 100px;
  text-align: center;
  min-height: 80vh;
  display: flex;
  align-items: center;
}
#default-landing-root .dl-hero-content {
  max-width: 800px;
  margin: 0 auto;
  z-index: 2;
}
#default-landing-root .dl-hero-greeting {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 4px;
  color: var(--dl-gold-main);
  margin-bottom: 20px;
  font-weight: 600;
}
#default-landing-root .dl-hero-title {
  font-family: var(--dl-font-heading);
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--dl-bg-white);
}
#default-landing-root .dl-hero-subtitle {
  font-size: 1.5rem;
  font-family: var(--dl-font-heading);
  font-style: italic;
  margin-bottom: 30px;
  color: var(--dl-gold-light);
}
#default-landing-root .dl-hero-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 50px;
  font-weight: 300;
}
#default-landing-root .dl-btn-group {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
#default-landing-root .dl-btn {
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--dl-transition);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
}
#default-landing-root .dl-btn-gold {
  background-color: var(--dl-gold-main);
  color: var(--dl-primary-color);
  border-color: var(--dl-gold-main);
}
#default-landing-root .dl-btn-gold:hover {
  background-color: var(--dl-gold-dark);
  border-color: var(--dl-gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}
#default-landing-root .dl-btn-outline {
  background-color: transparent;
  color: var(--dl-text-light);
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(5px);
}
#default-landing-root .dl-btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: var(--dl-gold-main);
  color: var(--dl-gold-main);
  transform: translateY(-2px);
}
#default-landing-root .dl-btn-large {
  padding: 15px 40px;
  font-size: 1.1rem;
  background: transparent;
  border: 1px solid var(--dl-gold-main);
  color: var(--dl-gold-main);
}
#default-landing-root .dl-btn-large:hover {
  background: var(--dl-gold-main);
  color: var(--dl-primary-color);
}
#default-landing-root .dl-projects-section {
  padding: 100px 0;
  background-color: var(--dl-bg-light);
}
#default-landing-root .dl-section-header {
  text-align: center;
  margin-bottom: 60px;
}
#default-landing-root .dl-section-title {
  font-family: var(--dl-font-heading);
  font-size: 2.5rem;
  color: var(--dl-primary-color);
  margin-bottom: 15px;
}
#default-landing-root .dl-section-subtitle {
  color: var(--dl-text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}
#default-landing-root .dl-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
}
#default-landing-root .dl-project-card {
  background: var(--dl-bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.04);
  transition: var(--dl-transition);
  border: 1px solid rgba(0, 0, 0, 0.05);
}
#default-landing-root .dl-project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}
#default-landing-root .dl-project-img-wrapper {
  position: relative;
  height: 250px;
  overflow: hidden;
}
#default-landing-root .dl-project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
#default-landing-root .dl-project-card:hover .dl-project-img {
  transform: scale(1.08);
}
#default-landing-root .dl-project-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(11, 25, 44, 0.8);
  color: var(--dl-gold-main);
  padding: 5px 15px;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}
#default-landing-root .dl-project-content {
  padding: 30px;
}
#default-landing-root .dl-project-title {
  font-family: var(--dl-font-heading);
  font-size: 1.5rem;
  color: var(--dl-primary-color);
  margin-bottom: 10px;
}
#default-landing-root .dl-project-location {
  font-size: 0.9rem;
  color: var(--dl-text-muted);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 5px;
}
#default-landing-root .dl-project-desc {
  font-size: 0.95rem;
  color: var(--dl-text-muted);
  margin-bottom: 25px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
#default-landing-root .dl-project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--dl-gold-dark);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--dl-transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
#default-landing-root .dl-project-link i {
  transition: transform 0.3s ease;
}
#default-landing-root .dl-project-link:hover {
  color: var(--dl-primary-color);
}
#default-landing-root .dl-project-link:hover i {
  transform: translateX(5px);
}
#default-landing-root .dl-footer {
  background-color: var(--dl-primary-color);
  color: var(--dl-text-light);
  padding: 80px 0 40px;
  border-top: 5px solid var(--dl-gold-main);
}
#default-landing-root .dl-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}
#default-landing-root .dl-footer-brand h3 {
  font-family: var(--dl-font-heading);
  font-size: 1.8rem;
  color: var(--dl-bg-white);
  margin-bottom: 15px;
}
#default-landing-root .dl-footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-weight: 300;
  max-width: 90%;
}
#default-landing-root .dl-footer-title {
  font-family: var(--dl-font-heading);
  font-size: 1.2rem;
  color: var(--dl-gold-main);
  margin-bottom: 20px;
}
#default-landing-root .dl-footer-list li {
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: 300;
}
#default-landing-root .dl-footer-list li i {
  color: var(--dl-gold-main);
  margin-top: 5px;
  font-size: 0.8rem;
}
#default-landing-root .dl-footer-contact-btns {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
#default-landing-root .dl-footer-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--dl-bg-white);
  padding: 12px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: var(--dl-transition);
  font-weight: 500;
  cursor: pointer;
  font: inherit;
  text-align: left;
  width: 100%;
}
#default-landing-root a.dl-footer-btn:hover {
  background: var(--dl-gold-main);
  color: var(--dl-primary-color);
  border-color: var(--dl-gold-main);
}
#default-landing-root button.dl-footer-btn:hover {
  background: var(--dl-gold-main);
  color: var(--dl-primary-color);
  border-color: var(--dl-gold-main);
}
#default-landing-root .dl-footer-btn i {
  font-size: 1.2rem;
}
#default-landing-root .dl-footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
}
@media (max-width: 992px) {
  #default-landing-root .dl-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  #default-landing-root .dl-hero-subtitle {
    font-size: 1.2rem;
  }
  #default-landing-root .dl-hero {
    padding: 100px 0 60px;
  }
  #default-landing-root .dl-btn-group {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  #default-landing-root .dl-btn {
    width: 100%;
    justify-content: center;
    max-width: 300px;
  }
  #default-landing-root .dl-footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  #default-landing-root .dl-projects-grid {
    grid-template-columns: 1fr;
  }
}