@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Exo+2:ital,wght@0,100..900;1,100..900&display=swap');

/* ===== Base Styles ===== */
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
*::-webkit-scrollbar {
  width: 0;
}
body {
  margin: 0;
  padding:0;
  font-family: 'Orbitron', sans-serif;
  transform: translateZ(0);
  background-color: #000;
   overflow-x: hidden;
  background:none;
}
html, body {
  max-width: 100%;
  overflow-x: hidden; /* stop horizontal scroll */
}

p {
  font-family: "Exo 2", sans-serif;
}
h1,h2,h3,h4,h5,h6 {
  font-family: 'Orbitron', sans-serif;
}
h2,h6,h5{
  color: aliceblue;
}
.licet_logo{
  width:550px;
}
h6{
  font-size: 10px;
}



/* ===== Header ===== */
header {
  position: sticky;
  top: 0;
  width: 100%;
  padding: 1em 2em;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  z-index: 100;
}
header .content-fit {
  width: 100%;
  max-width: 1200px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 30px;
  font-weight: bold;
  color: rgb(238, 7, 238);
  text-shadow: 0 0 8px rgba(238,7,238, 0.7);
  letter-spacing: 2px;
}
nav ul {
  display: flex;
  gap: 2em;
}
nav ul li{
  list-style: none;
}
nav ul li a {
  text-decoration: none;
  color: rgb(238, 7, 238);
  font-size: 24px;
  font-weight: bold;
  transition: text-shadow 0.3s ease, color 0.3s ease;
}
nav ul li a:hover {
  text-shadow: 0 0 10px rgb(238, 7, 238), 0 0 20px rgb(238, 7, 238);
}

/* ===== Sections ===== */
.section.first {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  margin-top: 20px;
}
.section.first .number {
  display: flex;
  align-items: center;
  gap: 15px;
}
.section.first .number img.licet_logo {
  width: 180px;
}
.section.first .number h1 {
  font-size: 24px;
  font-weight: bold;
  color: aliceblue;
}
.section.first .number p {
  font-size: 16px;
  color: aliceblue;
  text-align: center;
}
.section .content-fit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 2em 5%;
}
.section + .section {
  margin-top: 0;
}
.section .des {
  flex: 1;
  color: aliceblue;
  text-align: left;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 20px;
}
.section .number {
  flex: 0 0 auto;
}
.section .number img {
  max-width: 400px;
  height: auto;
}

.section.third .number {
  justify-content: center;
}

/* ===== Department ===== */
.department {
  text-align: center;
  padding: 0px 0px;
}
.department h1 {
  font-size: 22px;
  letter-spacing: 2px;
  color: aliceblue;
}
.department h3 {
  font-size: 18px;
  color: white;
}
.department .slice_logo {
  width: 500px;
  transition: transform 0.5s ease;
  padding-bottom: 0;
}
.department .slice_logo:hover {
  transform: scale(1.05);
}
.department p {
  color: aliceblue;
  font-size: 18px;
}

/* ===== Countdown ===== */
#countdown {
  font-size: 50px;
  font-weight: bold;
  color: #ffcc00;
  text-align: center;
  margin-top: 20px;
}

/* ===== Items ===== */
.container {
  flex: 1;
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}
.item {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(146, 57, 140, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.item p {
  color: aliceblue;
  margin: 0;
}
.item p:first-child {
  font-size: 1.6rem;
}
.item p:nth-child(2) {
  font-weight: bold;
  font-size: 1rem;
}
.item p:last-child {
  font-size: 0.95rem;
}
.item:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

/* ===== Icon & Labels ===== */
.icon {
  font-size: 2rem;
  color: rgb(238, 7, 238);
  margin-bottom: 10px;
}
.label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 5px;
}
.value {
  font-size: 1.1rem;
  font-weight: bold;
  color: white;
}

/* ===== Register Button ===== */
.register-btn-container {
  padding-top: 10px;
  flex-basis: 100%;
  display: flex;
  justify-content: center;
  margin-top: 20px;
  margin-bottom: 10px;
}
button {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 20px 35px;
  background: #ffffff;
  font-size: 20px;
  font-weight: 600;
  color: #000000;
  box-shadow: 0px 0px 10px 0px rgb(255, 255, 255);
  border-radius: 100px;
  border: none;
  transition: all 0.3s ease-in-out;
  cursor: pointer;
}
.star-1 { position: absolute; top: 20%; left: 20%; width: 25px; height: auto; filter: drop-shadow(0 0 0 #fffdef); z-index: -5; transition: all 0.8s cubic-bezier(0.05, 0.83, 0.43, 0.96); } .star-2 { position: absolute; top: 45%; left: 45%; width: 15px; height: auto; filter: drop-shadow(0 0 0 #fffdef); z-index: -5; transition: all 0.8s cubic-bezier(0, 0.4, 0, 1.01); } .star-3 { position: absolute; top: 40%; left: 40%; width: 5px; height: auto; filter: drop-shadow(0 0 0 #fffdef); z-index: -5; transition: all 0.8s cubic-bezier(0, 0.4, 0, 1.01); } .star-4 { position: absolute; top: 20%; left: 40%; width: 8px; height: auto; filter: drop-shadow(0 0 0 #fffdef); z-index: -5; transition: all 0.8s cubic-bezier(0, 0.4, 0, 1.01); } .star-5 { position: absolute; top: 25%; left: 45%; width: 15px; height: auto; filter: drop-shadow(0 0 0 #fffdef); z-index: -5; transition: all 0.8s cubic-bezier(0, 0.4, 0, 1.01); } .star-6 { position: absolute; top: 5%; left: 50%; width: 5px; height: auto; filter: drop-shadow(0 0 0 #fffdef); z-index: -5; transition: all 0.8s cubic-bezier(0, 0.4, 0, 1.01); } button:hover { background: #000000; color: #ffffff; box-shadow: 0 0 80px #ffffff8c; } button:hover .star-1 { position: absolute; top: -20%; left: -20%; width: 20px; height: auto; filter: drop-shadow(0 0 10px #fffdef); z-index: 2; } button:hover .star-2 { position: absolute; top: 35%; left: -25%; width: 15px; height: auto; filter: drop-shadow(0 0 10px #fffdef); z-index: 2; } button:hover .star-3 { position: absolute; top: 80%; left: -10%; width: 10px; height: auto; filter: drop-shadow(0 0 10px #fffdef); z-index: 2; } button:hover .star-4 { position: absolute; top: -25%; left: 105%; width: 20px; height: auto; filter: drop-shadow(0 0 10px #fffdef); z-index: 2; } button:hover .star-5 { position: absolute; top: 30%; left: 115%; width: 15px; height: auto; filter: drop-shadow(0 0 10px #fffdef); z-index: 2; } button:hover .star-6 { position: absolute; top: 80%; left: 105%; width: 10px; height: auto; filter: drop-shadow(0 0 10px #fffdef); z-index: 2; } .fil0 { fill: #fffdef; }


button a {
  color: inherit;
  text-decoration: none;
}
button a:visited {
  color: inherit;
}
button a:hover {
  opacity: 0.85;
}
button:hover {
  background: #000000;
  color: #ffffff;
  box-shadow: 0 0 80px #ffffff8c;
}

/* ===== Footer (Guidelines + Contact) ===== */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding: 40px;
  flex-wrap: wrap;
}
.footer .third {
  flex: 1 1 60%;
}
.footer .fourth {
  flex: 1 1 35%;
}
.guideline {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 25px 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  color: aliceblue;
  line-height: 1.6;
  width:700px;
}
.guideline h2 {
  font-size: 26px;
  font-weight: bold;
  margin-bottom: 18px;
  border-left: 6px solid rgba(238,7,238, 0.7);
  padding-left: 12px;
}
.guideline p {
  margin: 10px 0;
  padding: 10px 14px;
  border-left: 4px solid rgba(238,7,238, 0.7);
  border-radius: 8px;
  font-size: 18px;
  transition: all 0.3s ease;
}
.guideline p:hover {
  transform: translateX(4px);
}
.staff {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 20px;
  border-radius: 20px;
}
#contanct {
  border-radius: 12px;
  max-width: 400px;
  margin: 20px auto;
  text-align: center;
  background-color: transparent;
}
#contanct h2 {
  font-size: 24px;
  margin-bottom: 15px;
  color: aliceblue;
}
#contanct h5 {
  margin: 10px 0 5px;
  font-size: 20px;
  font-weight: bold;
  color: rgba(238,7,238, 0.7);
}
#contanct p {
  margin: 0 0 10px;
  color: aliceblue;
}
#muteBtn {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 16px;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: background 0.2s ease;
}
#muteBtn:hover {
  background: rgba(255, 255, 255, 0.2);
}
#container3D{
  position:fixed;
  inset:0;
  /* background-color: red; */
  z-index:100;
  pointer-events: none;
}
.big{
  font-size:14px;
}

.background{
   background-image: url('./img/1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.background2{
  background-image: url('./img/2.png');
    background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.footer{
  background-image: url('./img/3.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.staff{
  margin-top: 150px;
  margin-right: 100px;
}
.slice_logo{
  width:650px;
}
.symposisum{
  font-size: xx-large ;
}
.section .des p{
  text-align: justify;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .footer {
    flex-direction: column;
  }
  .footer .third, .footer .fourth {
    flex: 1 1 100%;
  }
}

/* ===== Purple Transparent Footer ===== */
.purple-footer {
  background: black; /* transparent purple */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  text-align: center;
  padding: 20px 10px;
  margin-top: 40px;
  color: rgb(238, 160, 238);
  font-family: "Exo 2", sans-serif;
}

.purple-footer .social-container {
  margin-bottom: 10px;
}

.purple-footer .social-container a {
  color: white;
  margin: 0 10px;
  font-size: 1.5rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.purple-footer .social-container a:hover {
  color: rgb(238, 7, 238);
  transform: scale(1.2);
}

.purple-footer p {
  font-size: 18px;
  opacity: 0.8;
}

/* ===== Responsive Footer ===== */
@media (max-width: 600px) {
  .purple-footer .social-container a {
    font-size: 1.2rem;
    margin: 0 6px;
  }
  .purple-footer p {
    font-size: 0.8rem;
  }
}
/* ===== Responsive Adjustments ===== */
@media (max-width: 1200px) {
  .section .content-fit {
    flex-direction: column;
    text-align: center;
  }
  .section .number img .slice {
    max-width: 100%;
    width:1000px;
  }
  .guideline {
    width: 100%;
  }
}

@media (max-width: 992px) {
  nav ul {
    gap: 1em;
  }
  nav ul li a {
    font-size: 20px;
  }
  .department .slice_logo {
    width: 550px;
  }
  #countdown {
    font-size: 40px;
  }
}

@media (max-width: 768px) {
  header .content-fit {
    flex-direction: column;
    gap: 10px;
  }
  .logo {
    font-size: 24px;
  }
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1em;
  }
  .department h1 {
    font-size: 18px;
  }
  .department .slice_logo {
    width: 250px;
  }
  .container {
    flex-direction: column;
    align-items: center;
  }
  .item {
    width: 80%;
  }
  .section .des {
    max-width: 100%;
  }
}

@media (max-width: 576px) {
  #muteBtn {
    padding: 8px 14px;
    font-size: 14px;
  }
  .logo {
    font-size: 20px;
  }
  nav ul li a {
    font-size: 18px;
  }
  .department .slice_logo {
    width: 300px;
  }
  #countdown {
    font-size: 28px;
  }
  .guideline {
    padding: 15px;
    font-size: 14px;
  }
}

@media (max-width: 400px) {
  .logo {
    font-size: 18px;
  }
  nav ul {
    gap: 0.5em;
  }
  .department h1 {
    font-size: 16px;
  }
  .department h3 {
    font-size: 14px;
  }
  .item {
    padding: 20px 15px;
  }
  #countdown {
    font-size: 24px;
  }
}
.sea{
  width:350px;
}
/* ===== Responsive adjustments for background2 and section.first ===== */
@media (max-width: 992px) {
  /* Background2 section */
  .background2 .content-fit {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }
  .background2 .number img.sea {
    max-width: 250px;
    height: auto;
  }
  .background2 .des h1 {
    font-size: 22px;
  }
  .background2 .des p {
    font-size: 16px;
    line-height: 1.5;
  }

  /* LICET section */
  .section.first .number {
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: 15px;
  }
  .section.first .number img.licet_logo {
    max-width: 200px;
    height: auto;
  }
  .section.first .number h1 {
    font-size: 22px;
  }
  .section.first .number .heading {
    font-size: 16px;
  }
}

@media (max-width: 576px) {
  /* Background2 section small devices */
  .background2 .number img.sea {
    max-width: 2000px;
  }
  .background2 .des h1 {
    font-size: 18px;
  }
  .background2 .des p {
    font-size: 14px;
  }

  /* LICET section small devices */
  .section.first .number img.licet_logo {
    max-width: 150px;
  }
  .section.first .number h1 {
    font-size: 18px;
  }
  .section.first .number .heading {
    font-size: 14px;
  }
}
@media (max-width: 992px) {
  .section.first .number{
    font-size: 14px;
    line-height: 1.3;
    text-align: center;
    white-space: normal; /* allow wrapping */
    word-break: break-word; /* force wrap if needed */
  }
}

@media (max-width: 576px) {
  .section.first .number {
    font-size: 14px;
    line-height: 1.2;
    padding: 0 10px; /* add padding so text doesn't touch edges */
  }
}

/* ===== Responsive Adjustments for Guideline ===== */
/* ===== Responsive Adjustments for Guideline & Contact ===== */
@media (max-width: 992px) {
  .footer {
    flex-direction: column;
    align-items: center;
  }
  .guideline, 
  #contanct {
    width: 100%;
    max-width: 100%;
    margin: 10px 0;
  }
  #contanct h2 {
    font-size: 22px;
  }
  #contanct h5 {
    font-size: 18px;
  }
  #contanct p {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .guideline {
    padding: 15px;
    font-size: 15px;
  }
  .guideline h2 {
    font-size: 20px;
  }
  .guideline p {
    font-size: 15px;
  }

  #contanct {
    padding: 15px;
  }
  #contanct h2 {
    font-size: 20px;
  }
  #contanct h5 {
    font-size: 16px;
  }
  #contanct p {
    font-size: 14px;
  }
}

@media (max-width: 576px) {
  .guideline {
    padding: 12px;
    font-size: 14px;
  }
  .guideline h2 {
    font-size: 18px;
  }
  .guideline p {
    font-size: 14px;
  }

  #contanct {
    padding: 12px;
  }
  #contanct h2 {
    font-size: 18px;
  }
  #contanct h5 {
    font-size: 15px;
  }
  #contanct p {
    font-size: 10px;
  }
}

@media (max-width: 400px) {
  .guideline {
    padding: 20px;
    font-size: 13px;
  }
  .guideline h2 {
    font-size: 16px;
  }
  .guideline p {
    font-size: 13px;
  }

  #contanct {
    padding: 10px;
  }
  #contanct h2 {
    font-size: 16px;
  }
  #contanct h5 {
    font-size: 8px;
  }
  #contanct p {
    font-size: 7px;
  }
}
/* Default styles (for larger screens) */
h4 {
  font-size: 22px;   /* adjust as you like */
  line-height: 1.4;
}

/* Media query for mobile (phones) */
@media (max-width: 600px) {
  h4 {
    font-size: 16px;   /* smaller size for phones */
    line-height: 1.2;
    text-align: center;  /* keep it neat */
    word-wrap: break-word; /* prevent overflow */
  }
}


h3,h4{
  color: aliceblue;
}
/* Media query for screen size 430px x 932px */
/* Default styles (desktop / large screens) */
#intro {
  text-align: center;
  padding: 20px;
}

#intro h1 {
  font-size: 2.5rem;
}

#intro h4 {
  font-size: 1.5rem;
}

#intro p {
  font-size: 1rem;
}

/* ================= RESPONSIVE QUERIES ================= */

/* Tablets (portrait & landscape, up to 1024px) */
@media (max-width: 1024px) {
  #intro h1 {
    font-size: 2rem;
  }
  #intro h4 {
    font-size: 1.2rem;
  }
  #intro p {
    font-size: 0.95rem;
  }
}

/* Mobile large (up to 768px) */
@media (max-width: 768px) {
  #intro {
    padding: 15px;
  }
  #intro h1 {
    font-size: 1.7rem;
  }
  #intro h4 {
    font-size: 1rem;
  }
  #intro p {
    font-size: 0.9rem;
  }
}

/* Mobile small (up to 480px, e.g. phones) */
@media (max-width: 480px) {
  #intro {
    padding: 10px;
  }
  #intro h1 {
    font-size: 1.4rem;
    line-height: 1.3;
  }
  #intro h4 {
    font-size: 0.9rem;
  }
  #intro p {
    font-size: 0.8rem;
  }
  .licet_logo {
    width: 80px; /* shrink logo for small screens */
    height: auto;
  }
}

/* Very small devices (up to 360px) */
@media (max-width: 360px) {
  #intro h1 {
    font-size: 1.2rem;
  }
  #intro h4 {
    font-size: 0.8rem;
  }
  #intro p {
    font-size: 0.7rem;
  }
}


@media screen and (max-width: 430px) {
  .licet_logo {
    margin-left: 0px; /* only move left on small screens */
  }
}
.countdown {
  padding: 0;
  margin: 0;
}

.countdown h1 {
  padding: 0;
  margin: 0;
}
.yobin{
  width:700px;
}
@media screen and (max-width: 375px) and (max-height: 667px) {
  #intro .mani h4 {
    font-size: 6px;     /* smaller so it fits */
    line-height: 1;    /* tighter spacing */
    margin: 2px 0;       /* reduce gaps */
    padding: 0;
    word-wrap: break-word; /* break long words */
    white-space: normal;   /* allow wrapping */
    text-align: center;    /* keep centered */
  }
}
/* Default (mobile/tablet) */
.number {
  display: flex;
  justify-content: center;
  align-items: center;
}
.slice {
  width: auto;
  max-width: 100%;
  height: auto;
}
@media screen and (min-width: 1024px) {
  .slice {
    width: 800px !important;  /* force size on desktop */
  }
}
/* iPhone 12 Pro and similar screens */
@media screen and (max-width: 414px) {
  #intro .mani {
    text-align: center;
    padding: 10px;
  }

  #intro .licet_logo {
    width: 120px;   /* resize logo */
    height: auto;
    margin-bottom: 10px;
  }

  #intro h1 {
    font-size: 20px;
    margin: 5px 0;
  }

  #intro h4 {
    font-size: 14px;
    line-height: 1.4;
  }

  #intro h5.big {
    font-size: 12px;
    line-height: 1.3;
  }

  #intro p {
    font-size: 12px;
  }
}
/* Common mobile optimization: up to ~414px wide (covers iPhone & Galaxy) */
@media screen and (max-width: 414px) {
  #intro .mani {
    text-align: center;
    padding: 8px;
  }

  #intro .licet_logo {
    width: 100px;   /* smaller logo for tighter screens */
    height: auto;
    margin-bottom: 8px;
  }

  #intro h1 {
    font-size: 18px;
    margin: 4px 0;
  }

  #intro h4 {
    font-size: 13px;
    line-height: 1.3;
  }

  #intro h5.big {
    font-size: 11px;
    line-height: 1.3;
  }

  #intro p {
    font-size: 11px;
  }
}
/* Very small devices (like 320px old phones) */
@media screen and (max-width: 340px) {
  #intro .licet_logo {
    width: 80px;
  }
  #intro h1 { font-size: 16px; }
  #intro h4, #intro h5, #intro p { font-size: 10px; }
}