/* Style chung của toàn site, tách ra từ khối <style> inline trong public/index.html cũ. */

/* Lenis v1.3.11 — self-host để bỏ một kết nối chặn render tới unpkg.com. */
html.lenis,html.lenis body{height:auto}.lenis:not(.lenis-autoToggle).lenis-stopped{overflow:clip}.lenis [data-lenis-prevent],.lenis [data-lenis-prevent-wheel],.lenis [data-lenis-prevent-touch]{overscroll-behavior:contain}.lenis.lenis-smooth iframe{pointer-events:none}.lenis.lenis-autoToggle{transition-property:overflow;transition-duration:1ms;transition-behavior:allow-discrete}

:root {
             color-scheme: light;
        }

            body {
        font-family: "Athiti", Arial, "Helvetica Neue", Helvetica, system-ui, sans-serif;
        font-size-adjust: 0.5;
        font-display: swap;
        background-color: #fffbef;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
      }
      .logo {
        max-width: 120px;
      }
      .nav-menu a, .nav-menu button {
        font-weight: 400;
        font-size: 21px;
        color: #FFFBEFFF;
        text-decoration: none;
        transition: all 0.3s ease;
      }
      .nav-menu a.active, .nav-menu button.active {
        font-weight: 600;
      }
      .nav-menu a:hover, .nav-menu button:hover {
        opacity: 0.8;
      }
      /* Custom underline effect: show a 50px underline on hover */
      .nav-menu a, .nav-menu button {
        position: relative;
        padding-bottom: 4px; /* matches pb-1 */
      }

      .nav-menu a::after, .nav-menu button::after {
        content: "";
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 0;
        width: 0;
        height: 2px; /* matches border-b-2 */
        background-color: #fffbef; /* dynamic underline color */
        transition: width 0.3s ease;
      }

      .nav-menu a.black::after, .nav-menu button.black::after {
        content: "";
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 0;
        width: 0;
        height: 2px; /* matches border-b-2 */
        background-color: #000; /* dynamic underline color */
        transition: width 0.3s ease;
      }

      .nav-menu a:hover::after, .nav-menu button:hover::after {
        width: 30px; /* underline length on hover */
      }

      .nav-menu a.active::after, .nav-menu button.active::after {
        width: 30px; /* underline length on hover */
      }
      
      header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
      }
      header.transparent {
        background-color: transparent;
      }
      main {
        padding-top: 0;
      }
      /* Hover effect to invert arrow icon color */
      img[src*="arrow-icon.png"] {
            transition: filter 0.3s ease;
        }
        img[src*="arrow-icon.png"]:hover {
            filter: invert(1) !important;
        }
      
      /* Hover effect: swap arrow icon image */
      img[src$="arrow-icon.png"] {
            transition: opacity 0.3s ease;
        }
        img[src$="arrow-icon.png"]:hover {
            content: url("/images/arrow-icon-hover.png");
            filter: none !important;
        }
      
      /* Enhanced scroll performance */
      html {
        scroll-behavior: smooth;
        scroll-padding-top: 80px;
      }


        @media screen and (max-width: 1024px), screen and (max-height: 600px) {
          body {
            zoom: 0.8;
          }
        }
        
        /* Contact Modal Styles */
        #contactModal {
          backdrop-filter: blur(5px);
        }
        
        #contactModal .modal-content {
          animation: modalFadeIn 0.3s ease-out;
        }
        
        @keyframes modalFadeIn {
          from {
            opacity: 0;
            transform: scale(0.9) translateY(-20px);
          }
          to {
            opacity: 1;
            transform: scale(1) translateY(0);
          }
        }
        
        /* Custom scrollbar for modal */
        #contactModal .overflow-y-auto::-webkit-scrollbar {
          width: 8px;
          height: 40%;
        }
        
        #contactModal .overflow-y-auto::-webkit-scrollbar-track {
          background: rgb(218, 218, 218);
          border-radius: 4px;
        }
        
        #contactModal .overflow-y-auto::-webkit-scrollbar-thumb {
          background: rgb(255, 255, 255);
          border-radius: 4px;
        }
        
        /* Responsive adjustments for modal */
        @media (max-width: 768px) {
          #contactModal .p-12 {
            padding: 2rem;
          }
          
          #contactModal .text-4xl {
            font-size: 2rem;
          }
          
          #contactModal .grid-cols-1.lg\\:grid-cols-2 {
            grid-template-columns: 1fr;
          }
        }
        
        /* Select option hover styles */
        select option:hover {
          background-color: #DED2AE !important;
        }

        /* ----------  Mobile background crop  ----------*/
        @media (max-width: 768px) {
            #footer-mobile {
      display: flex;
  }
  #footer {
      display: none;
  }

          /* For img elements that should crop */
          .image-crop-mobile {
            object-fit: cover !important;
            object-position: center center !important;
          }
        }



        .fade-in-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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


/* Enhanced button hover effects */
button, a {
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Smooth parallax effect for background images */
.parallax-bg {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}

/* Smooth fade animations */
@keyframes smoothFadeIn {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes smoothFadeInFromLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes smoothFadeInFromRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Apply smooth animations */
.smooth-fade-in {
  animation: smoothFadeIn 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.smooth-fade-in-left {
  animation: smoothFadeInFromLeft 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.smooth-fade-in-right {
  animation: smoothFadeInFromRight 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

/* Smooth scroll snap for sections */
.scroll-container {
  scroll-snap-type: y mandatory;
}

.scroll-section {
  scroll-snap-align: start;
}

/* Enhanced mobile scrolling */
@media (max-width: 768px) {
  html {
    scroll-padding-top: 60px;
  }
  
  /* Improve touch scrolling on mobile */
  body {
    -webkit-overflow-scrolling: touch;
  }
}

/* Smooth loading transitions */
.page-transition {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.page-transition.loaded {
  opacity: 1;
  transform: translateY(0);
}


.arrow-icon {
  width: 40px; height: 40px; 
}

/* Optimized Footer Styles for Better LCP */
.footer-section {
  background-image: url('/images/background.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center bottom;
  will-change: transform;
}

.footer-container {
  background-image: url('/images/footer.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center bottom;
  min-height: 500px;
  padding-bottom: 60px;
  mix-blend-mode: multiply;
}

.footer-mobile-section {
  background-image: url('/images/background.png');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center bottom;
}

.footer-mobile-container {
  background-image: url('/images/footer.png');
  background-size: cover;
  width: 100%;
  background-repeat: no-repeat;
  background-position: center bottom;
  min-height: 500px;
  mix-blend-mode: multiply;
  transform: translateZ(0); /* Enable hardware acceleration */
}

/* Optimize image loading */
.footer-optimized-img {
  content-visibility: auto;
  contain-intrinsic-size: 100px 100px;
}