/* FONT IMPORT */
@font-face {
  font-family: 'Montserrat';
  src: url('font/Montserrat-Regular.woff2') format('woff2'),
       url('font/Montserrat-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}

/* RESET & GLOBAL */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}


/* Scroll behavior */
html {
  scroll-behavior: smooth;
}

html {
  scroll-padding-top: 100px; /* Adjust based on your header height */
}


body {
  background-color: #000000; 
  color: #fff;
  /*can't copy text*/
  user-select: none;        /* Modern browsers */
  -webkit-user-select: none; /* Safari */
  -ms-user-select: none;    /* IE/Edge */
}

/* Watermark */
body::after {
  content: "© vnffilms.com";
  position: fixed;
  bottom: 20px;
  right: 20px;
  font-size: 12px;
  opacity: 0.3;
  z-index: 9999;
  pointer-events: none;
}



/* HEADER BASE */


.kq-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: transparent;
  background-size: cover;
  background-position: center;
  z-index: 1000;
  padding: 20px 0;
  backdrop-filter: blur(2px);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}



.kq-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent; 
  z-index: -1;
}



/* When scrolled */
.kq-header.scrolled {
  background-color: #000000; 
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  color: #fff;
}



/* CONTAINER */
.container {
  max-width: 1400px;
  margin: auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

/* LOGO */
.logo {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo img {
  height: 50px;
}

.logo .title h1 {
  font-size: 22px;
  color: #f0c14b;
  margin: 0;
  letter-spacing: 1px;
}

.logo .title h1 span {
  color: #f0c14b;
}

.logo .title p {
  color: #ccc;
  font-size: 12px;
  margin-top: 3px;
  letter-spacing: 1px;
}

/* NAVIGATION MENU */
.nav-menu {
  display: flex;
  gap: 30px;
  font-weight: bold;
}

.nav-menu a {
  color: #f0f0f0;
  text-decoration: none;
  font-size: 13px;
  transition: 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #f0c14b;
}

/* RIGHT SIDE (BUTTON + BURGER) */
.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.member-btn {
  background: transparent;
  border: 2px solid #f0c14b;
  color: #f0c14b;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: bold;
  font-size: 13.33px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.member-btn:hover {
  background-color: #f0c14b;
  color: #000;
}


/* HAMBURGER MENU */
.hamburger {
  display: none;
  font-size: 26px;
  color: #f0c14b;
  cursor: pointer;
}

/* RESPONSIVE STYLES */
/* LAPTOP DEVICES (1024px – 1440px) */
@media only screen and (min-width: 1024px) and (max-width: 1440px) {
  
  .container {
    max-width: 1200px; 
    padding: 0 20px;
  }

  .logo img {
    height: 45px; 
  }

  .nav-menu {
    gap: 15px; 
  }

  .nav-menu a {
    font-size: 13px; 
  }

  .member-btn {
    padding: 8px 18px;
    font-size: 13px;
  }
}



@media (max-width: 1024px) { 
  .container { 
    flex-direction: row; 
} 

.logo, .header-right { 
  flex: 1 1 100%; 
  justify-content: space-between;
  margin-top: 10px; 
} 
.nav-menu { 
  flex-direction: column; 
  align-items: flex-start; 
  background-color: rgba(0, 0, 0, 0.95); 
  position: absolute; 
  top: 100%; left: 0; 
  width: 100%; padding: 20px; 
  gap: 15px; display: none; 
  z-index: 99;
 } 

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

  .hamburger { 
  display: block; 
 } 
}





@media (max-width: 768px){
    .logo, .header-right {
    flex: 1;
    margin-top: -5px;
  }

    .logo{
    margin-left: -20px;
  }

    .logo img{
     height: 40px;
     margin-top: 10px;
  }

    .member-btn{
    margin-left: 230px;
    height: 30px;
    font-size: 10px;
    padding: 10px 10px;
  }

}


@media (max-width: 480px){
    .logo, .header-right {
    flex: 1;
    margin-top: -5px;
  }

    .logo{
    margin-left: -20px;
  }

    .logo img{
     height: 40px;
     margin-top: 10px;
  }

    .member-btn{
    margin-left: 50px;
    height: 30px;
    font-size: 10px;
    padding: 10px 10px;
  }

}



/* === Slider Styles === */
.slider-section {
  width: 100%;
  max-width: 100%;
  height: 960px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  border-radius: 2px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.slider-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateX(50px) scale(1.05);
  transition: opacity 1.2s ease, transform 1.2s ease;
  will-change: transform, opacity;
}

.slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  z-index: 2;
}

.slide img {
  width: 100%;
  height: 960px;
  object-fit: cover;
}


/* === Style Text === */
.kq-style {
  position: absolute;
  top: 75%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  background-color: #00000040;
  backdrop-filter: blur(2px);
  border-radius: 10px;
  padding: 25px;
}


.kq-style .slide-title {
  color: #f0c14b;
  font-size: 4rem;
  font-weight: bold;
  margin: 0;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUpFade 1s ease forwards;
}

.kq-style .slide-subtitle {
  font-size: 2rem;
  margin-top: 15px;
  color: #ffffff;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUpFade 1s ease forwards;
  animation-delay: 0.5s;
  font-weight: bold;
}

@keyframes slideUpFade {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Controls === */
.slider-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  padding: 0 20px;
  pointer-events: none;
}

.slider-controls button {
  background: rgba(0, 0, 0, 0.6);
  color: #f5f55a;
  border: none;
  font-size: 32px;
  padding: 10px 18px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s ease;
  pointer-events: auto;
}

.slider-controls button:hover {
  background: #e4e454;
  color: #000;
}

/* === Responsive === */

@media screen and (min-width: 1024px) and (max-width: 1440px){
    .kq-style {
      top: 105%;
     }

    .kq-style .slide-title {
    font-size: 2.7rem;
     }

    .kq-style .slide-subtitle {
    font-size: 1.5rem;
     }
 }


@media (max-width: 1024px) {
  .slider-wrapper {
    aspect-ratio: 4 / 3;
  }

  .kq-style .slide-title {
    font-size: 2rem;
  }

  .kq-style .slide-subtitle {
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  .slider-wrapper {
    aspect-ratio: 1 / 1;
  }

  .kq-style .slide-title {
    font-size: 1.6rem;
  }

  .kq-style .slide-subtitle {
    font-size: 0.9rem;
  }

  .kq-style {
    width: 90%;
    height: auto;
    bottom: 10%;
    left: 50%;
    margin-top: -30px;
  }

  .slider-controls button {
    font-size: 24px;
    padding: 8px 14px;
  }

  .slide img {
    height: auto;
  }

  .slider-section{
    height: auto;
  }

}




.event-section {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  /*background-color: #f2e0c8;*/
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"><rect fill="none"/></svg>'); /* Fallback */
  position: relative;
  overflow: hidden;
  padding: 50px 270px 50px 270px;
  text-align: center;
}


.event-image {
  flex: 1 1 50%;
  min-width: 300px;
  position: relative;
  z-index: 2;
}

.event-image img {
  width: 40%;
  height: auto;
  display: block;
  justify-self: center;
}

.event-content {
  flex: 1 1 50%;
  padding: 60px;
  padding-top: 0px;
  padding-bottom: 0px;
  /*background-color: #f2e0c8;*/
  position: relative;
  z-index: 2;
}

.event-meta {
  color: #c59d62;
  letter-spacing: 2px;
  font-size: 14px;
}

.event-title {
font-size: 2rem;
color: #f0c14b;
margin-bottom: 10px;
text-shadow: 1px 1px 1px rgb(0 0 2);
}

.event-date {
  font-size: 15px;
  color: #c59d62;
  margin-bottom: 20px;
}

.event-description {
  font-size: 20px;
  line-height: 1.8;
  color: #ffffff;
  text-align: justify;
  margin-bottom: 10px;
}

.event-description-lines{
  font-size: 22px;
  line-height: 1.5;
  color: #c59d62; 
  text-align: center;
  font-weight: bold;
  padding-top: 5px;
}

.take-part-btn {
  display: inline-block;
  margin-top: 25px;
  padding: 10px 25px;
  border: 1px solid #bd8d51;
  border-radius: 25px;
  color: #131313;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  background-color: #f0c14b;
}

.take-part-btn:hover {
  background-color: #e4c985;
  color: #000;
}

/* Responsive */

@media screen and (min-width: 1024px) and (max-width: 1440px){
  .event-section {
   padding: 30px 70px 30px 70px;
}
 
  .event-content{
    padding: 0px;
  }

}

@media (max-width: 768px) {
  .event-section {
    flex-direction: column;
    padding: 10px;
  }
  .event-content {
    padding: 20px;
    text-align: center;
  }
  .event-title {
    font-size: 22px;
  }

  .event-description{
    font-size: 15px;
  }

  .event-date {
    font-size: 20px;
  }
}



.site-footer {
  background-color: #000;
  color: #f3e4c7;
  padding: 60px 20px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}



.footer-inner {
  position: relative;
  z-index: 2;
}

.footer-title {
  font-size: 24px;
  margin-bottom: 15px;
  color: #c59d62;
}

.footer-text {
  font-size: 14px;
  line-height: 1.6;
  color: #ddd;
}


.footer-inner a{
  text-decoration: none;
}

.footer-text a {
  color: #c59d62;
  text-decoration: none;
  margin: 0 8px;
}

.footer-text a:hover {
  text-decoration: underline;
}



.video-container {
  width: 100%;
  /*background-color: #f2e0c8;*/
  margin: auto;
  padding: 50px 270px 50px 270px;
  text-align: center;
}

.video-container h2 {
font-size: 2rem;
color: #f0c14b;
margin-bottom: 20px;
text-shadow: 1px 1px 2px rgb(0 0 2);
}

.main-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  margin-bottom: 20px;
  border: none;
}

/* Thumbnails Wrapper */
.video-slider-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

/* Scrollable Thumbnail Row */
.video-list {
  display: flex;
  gap: 30px;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 10px 0;
  flex: 1;
}

.video-list::-webkit-scrollbar {
  display: none; /* Hide scrollbar on Chrome/Safari */
}

.video-item {
  flex: 0 0 auto;
  width: 220px;
  background: white;
  color: black;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s;
  border: 1px solid #ddd;
}

.video-item:hover {
  transform: scale(1.05);
}

.thumbnail {
  position: relative;
}

.thumbnail img {
  width: 100%;
  display: block;
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 30px;
  color: white;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  padding: 10px;
  display: none;
}

.video-details {
  padding: 10px;
}

.video-details p {
  color: #161616;
  margin: 5px 0;
  font-size: 14px;
}

/* Arrows */
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  background: rgba(0, 0, 0, 0.3);
  color: white;
  padding: 10px;
  cursor: pointer;
  user-select: none;
  z-index: 10;
  transition: background 0.3s;
  border-radius: 50%;
}

.arrow:hover {
  background: rgba(0, 0, 0, 0.6);
}

.arrow.left {
  left: 0;
}

.arrow.right {
  right: 0;
}

/* Responsive Design */

@media screen and (min-width: 1024px) and (max-width: 1440px){
  .video-container {
  padding: 30px 70px 30px 70px;
}
}

@media (max-width: 768px) {

  .video-container {
    padding: 20px;
}

  .video-item {
    width: 160px;
  }

  .video-details p {
    font-size: 12px;
  }

  .arrow {
    font-size: 24px;
    padding: 6px;
  }
}



.share-container {
  position: relative;
  display: inline-block;
  font-family: Arial, sans-serif;
}

.share-btn {
  background-color: transparent;
  color: black;
  padding: 10px 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}

.share-options {
  display: none;
  position: absolute;
  top: 110%;
  left: 0;
  background-color: white;
  border: 1px solid #ccc;
  padding: 8px;
  border-radius: 6px;
  box-shadow: 0 0 8px rgba(0,0,0,0.15);
  z-index: 999;
}

.share-options a,
.share-options button {
  display: block;
  margin: 5px 0;
  text-decoration: none;
  color: #333;
  background-color: #f7f7f7;
  padding: 6px;
  border-radius: 4px;
  text-align: center;
  border: none;
  width: 100%;
  cursor: pointer;
}

.share-options a:hover,
.share-options button:hover {
  background-color: #ddd;
}





/* --- Container Styles --- */
.book-library {
  padding: 50px 270px 50px 270px;
  /*background-color: #f2e0c8;*/
  color: #fff;
  text-align: center;
}

.library-header h2 {
font-size: 2rem;
color: #f0c14b;
margin-bottom: 20px;
text-shadow: 1px 1px 2px rgb(0 0 2);
}

/* --- Slider Wrapper --- */
.book-slider-wrapper {
  position: relative;
  overflow: hidden;
}

/* --- Book Slider --- */
.book-slider {
  display: flex;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  gap: 1rem;
  padding-bottom: 1rem;
}

/* Hide scrollbar */
.book-slider::-webkit-scrollbar {
  display: none;
}
.book-slider {
  scrollbar-width: none;
}

/* --- Book Card --- */
.book-card {
  width: 100%;
  max-width: 330px;
  flex: 0 0 100%; /* Mobile default */
  scroll-snap-align: start;
  background-color: white;
  border-radius: 10px;
  padding: 1rem;
  box-sizing: border-box;
  text-align: center;
  transition: transform 0.3s ease;
}
.book-card:hover {
  transform: translateY(-5px);
}

.book-card img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.book-card h4 {
  font-size: 1.15rem;
  margin: 0.7rem 0 0.25rem;
  color: #3e2f22;
}

.book-card p {
  font-size: 0.95rem;
  margin: 0.25rem 0;
  color: #5a4a3b;
}

.book-button {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.4rem 0.8rem;
  background-color: #7a543b;
  color: white;
  font-size: 0.85rem;
  border-radius: 5px;
  text-decoration: none;
}
.book-button:hover {
  background-color: #906b52;
}

/* --- Navigation Arrows --- */
.book-prev,
.book-next {
  position: absolute;
  top: 40%;
  transform: translateY(-50%);
  background-color: #333;
  color: white;
  border: none;
  padding: 0.6rem;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 2;
  border-radius: 50%;
  transition: background-color 0.3s;
}

.book-prev:hover,
.book-next:hover {
  background-color: #555;
}

.book-prev {
  left: 0.3rem;
}

.book-next {
  right: 0.3rem;
}

/* --- Responsive Layouts --- */

@media screen and (min-width: 1024px) and (max-width: 1440px){
  .book-library {
  padding: 30px 70px 30px 70px;
 }
}


@media (max-width: 768px) {
 .book-library {
  padding: 20px;
  }
  
  .book-card {
    max-width: 380px;
    flex: 0 0 100%; /* 2 cards per view on tablets */
  }

}





/* CSS: Responsive Research Slider */
.research-papers {
  padding: 50px 270px 50px 270px;
  /*background-color: #f2e0c8;*/
  text-align: center;
  border-left: none;
}

.research-papers h2 {
font-size: 2rem;
color: #f0c14b;
margin-bottom: 20px;
text-shadow: 1px 1px 2px rgb(0 0 2);
}

.research-slider-wrapper {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.research-slider {
  display: flex;
  transition: transform 0.3s ease;
  will-change: transform;
  margin-top: 5px;
}


#researchSlider {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none;  /* IE and Edge */
}

#researchSlider::-webkit-scrollbar {
  display: none; /* Chrome, Safari, Opera */
}




.paper-card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  padding: 15px;
  width: 100%;
  max-width: 311px;
  flex: 0 0 auto;
  margin-right: 20px;
  transition: transform 0.3s;
}

.paper-card:hover {
  transform: translateY(-6px);
}

.paper-card img {
  width: 100%;
  height: auto;
  border-radius: 5px;
}

.paper-card h3 {
  font-size: 1.15rem;
  color: #3e2f22;
  margin: 0.7rem 0 0.5rem;
}

.paper-card p {
  font-size: 0.95rem;
  color: #5a4a3b;
  margin-bottom: 0.6rem;
}

.paper-buttons {
  margin-top: 15px;
}

.paper-button {
  background-color: #7a543b;
  color: white;
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 4px;
  display: inline-block;
}

.paper-button:hover {
  background-color: #906b52;
}

.research-prev, .research-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  background: #333;
  color: #fff;
  border: none;
  padding: 10px;
  cursor: pointer;
  z-index: 10;
  border-radius: 50%;
}

.research-prev:hover,
.research-next:hover {
  background-color: #555;
}

.research-prev { left: 10px; }
.research-next { right: 10px; }


@media screen and (min-width: 1024px) and (max-width: 1440px){
  .research-papers {
  padding: 30px 70px 30px 70px;
 }
}


@media (min-width: 1025px) {
  .paper-card { width: 25%; } /* 4 per slide */
}

@media (min-width: 768px) and (max-width: 1024px) {
  .paper-card { width: 50%; } /* 2 per slide */
}

@media (max-width: 767px) {
  .paper-card { 
    width: 100%;
    max-width: 370px; 
  } /* 1 per slide */
  
  .research-papers {
  padding: 20px;
}
}





.media-partners {
  padding: 50px 270px 50px 270px;
  background-color: #fafafa;
  text-align: center;
}

.media-partners h2 {
font-size: 2rem;
color: #f0c14b;
margin-bottom: 20px;
text-shadow: 1px 1px 1px rgb(0 0 2);
}

.partner-slider {
  overflow: hidden;
  position: relative;
}

.partner-track {
  display: flex;
  width: calc(200px * 12); /* Adjust based on logos */
  animation: scroll 30s linear infinite;
}


.partner-slider:hover .partner-track {
  animation-play-state: paused;
}

.partner-logo {
  flex: 0 0 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 10px;
}

.partner-logo img {
  max-height: 60px;
  max-width: 100%;
  object-fit: contain;
  filter: grayscale(100%);
  transition: filter 0.3s;
}

.partner-logo img:hover {
  filter: grayscale(0%);
}

@keyframes scroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Responsive */

@media screen and (min-width: 1024px) and (max-width: 1440px){
  .media-partners {
  padding: 30px 70px 30px 70px;
 }
}


@media (max-width: 768px) {
  .partner-logo {
    flex: 0 0 140px;
  }

  .partner-track {
    animation-duration: 40s;
  }

  .media-partners {
    padding: 20px;
  }

}

@media (max-width: 480px) {
  .partner-logo {
    flex: 0 0 100px;
  }
  .media-partners {
    padding: 20px;
  }

}