/* RESET */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: #050b1e;
  color: #fff;
  overflow-x: hidden;
}

.content {
  width: 100%;
}

/* NAVBAR */
.navbar {
  width: 100%;
  height: 4vw;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  background: #050b1e;
  position: fixed;
  z-index: 1000;
}

.logo img {
  width: 3vw;
  min-width: 40px;
}

.nav {
  width: 50%;
  height: 100%;
  justify-content: center;
  align-items: center;
  display: flex;
  gap: 5vw;
}

.nav-link {
  color: #CEE0F4;
  text-decoration: none;
  font-size: 1vw;
  position: relative;
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -0.5vw;
  left: 0;
  width: 100%;
  height: 2px;
  background: #315381;
}

.bahasa {
  display: flex;
  gap: 0.5vw;
  align-items: center;
}

.lang {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
}

.active-lang {
  color: #315381;
}

.line {
  width: 1px;
  height: 1vw;
  background: rgba(255,255,255,0.5);
}


/* SECTION */
.section{
  position:relative;
  min-height:100vh;
}

.section-white{
  background:#050b1e;
  color:#fff;
}

.section-dark{
  background:#050b1e;
  color:#fff;
}

/* PARTICLES */
.particles{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
}

/* CONTENT */
.section-inner{
  position:relative;
  z-index:2;
  max-width:1200px;
  margin:auto;
  padding:100px 20px;
}

/* IMAGE */
.image-box{
  display:flex;
  justify-content:center;
  margin-bottom:30px;
}

.image-box img{
  width:80%;
  border-radius:18px;
}

/* TEXT */
#contentText{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:start;
  margin-bottom:40px;
}

#contentText h1{
  font-size:3vw;
}

#contentText p{
  font-size:2vw;
  line-height:1.6;
}

/* SWITCH */
.switch-btn{
  display:flex;
  justify-content:center;
  gap:20px;
}

.toggle-btn{
  padding:12px 30px;
  border:none;
  cursor:pointer;
  font-size:1rem;
  border-radius: 3vw;
  background: none;
  color: #CEE0F4;
  border: 2px solid #315381;
}

.toggle-btn:hover{
  background: rgb(133, 159, 192, 0.3);
  box-shadow: 0 0 20px rgba(206, 224, 244, 0.6);
}

.toggle-btn.active{
  background:#315381;
  color:#000;
}

.section{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#050b1e;
  color:#fff;
}

.particles{
  position:absolute;
  inset:0;
  z-index:1;
}

.section-inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:1400px;
}


/* partnership */
/* ===== PARTNERSHIP LAYOUT ===== */
.partnership{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:120px; /* lebih lebar */
}

/* LEFT INFO */
.partner-info{
  text-align:left;
  min-width:260px;
}

.partner-info h2{
  font-size:42px;
  font-weight:700;
  margin-bottom:20px;
}

.read-more{
  display:inline-block;
  font-size:18px;
  color:#00eaff;
  text-decoration:none;
  margin-bottom:30px;
}

.read-more:hover{
  text-decoration:underline;
}

.side-nav{
  display:flex;
  gap:20px;

}

.side-nav button{
  background:none;
  border:2px solid #315381;
  color:#CEE0F4;
  padding:14px 18px;
  border-radius:50%;
  font-size:18px;
  cursor:pointer;
}

/* CENTER LOGO (BIGGER & BRIGHTER) */
.partner-logo{
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle,#ffffff 55%,#00eaff 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 80px rgba(0,234,255,.45);
}

.partner-logo img{
  width:75%;
  filter:brightness(1.3) contrast(1.1);
}

/* RIGHT INDICATOR */
.partner-indicator{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:22px;
}

.partner-indicator button{
  background:none;
  border:none;
  color:#CEE0F4;
  font-size:20px;
  cursor:pointer;
}

.indicator{
  font-size:20px;
  opacity:.4;
  transition:.3s;
}

.indicator.active{
  opacity:1;
  font-size:26px;
  font-weight:700;
}

/* RESPONSIVE */
@media(max-width:900px){
  .partnership{
    flex-direction:column;
    gap:60px;
  }

  .partner-info{
    text-align:center;
  }
}


/* CENTER LOGO */
.partner-center{
  text-align:center;
}

.partner-logo{
  width:260px;
  height:260px;
  border-radius:50%;
  background:radial-gradient(circle,#ffffff 60%,#00eaff 100%);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 60px rgba(0,234,255,.4);
}

.partner-logo img{
  width:70%;
  filter:brightness(1.2);
}

.center-nav{
  margin-top:20px;
  display:flex;
  justify-content:center;
  gap:30px;
}

.center-nav button{
  background:none;
  border:1px solid #00eaff;
  color:#00eaff;
  padding:10px 14px;
  border-radius:50%;
  cursor:pointer;
}

.read-more{
  display:inline-block;
  margin-top:25px;
  color:#315381;
  text-decoration:none;
  border-bottom:1px solid transparent;
}

.read-more:hover{
  border-bottom:1px solid #CEE0F4;
}

.partner-indicator{ transform:translateZ(40px); }
.partner-center{ transform:translateZ(20px); }

.section-dark{
  perspective:1000px;
  transform-style:preserve-3d;
}

.hamburger {
  position: relative;
  right: 4vw;
  top: 2.5%;
  transform: translateY(-0%);
  cursor: pointer;
  z-index: 1002;
  display: none;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: #CEE0F4;
  margin: 5px 0;
}


.mobile-menu {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  background: #050b1e;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  padding: 90px 0 40px;
  transform: translateY(-100%);
  transition: 0.4s ease;
  z-index: 1000;
}

.mobile-menu.active {
  transform: translateY(0);
}

.mobile-menu a {
  color: #CEE0F4;
  text-decoration: none;
  font-size: 18px;
}

.mobile-lang {
  display: flex;
  gap: 20px;
}

.mobile-lang .lang {
  color: rgba(255,255,255,0.5);
}

.mobile-lang .active-lang {
  color: #315381;
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .hamburger {
    display: block;
  }
  .side-nav {
    align-items: center;
    justify-content: center;
  }
}

/* ===============================
   FOOTER TOGGLE BUTTON
================================ */
.footer-toggle {
  position: fixed;
  bottom: 2vw;
  right: 2vw;
  width: 2.8vw;
  height: 2.8vw;
  border-radius: 50%;
  border: none;
  background: rgba(5,11,30,.65);
  color: #315381;
  font-size: 1.3vw;
  cursor: pointer;
  z-index: 99;
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 20px rgba(0,200,255,.35),
    inset 0 0 10px rgba(255,255,255,.05);
  transition: .35s ease;
}

.footer-toggle:hover {
  transform: scale(1.08);
}

/* ===============================
   FOOTER SLIDE
================================ */
.footer-slide {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 28%;
  background: rgba(5,11,30,.75);
  backdrop-filter: blur(14px);
  padding: 3vw 4vw;
  transform: translateY(110%);
  transition: transform .7s cubic-bezier(.4,0,.2,1);
  z-index: 98;
  pointer-events: none;
}

.footer-slide.active {
  transform: translateY(0);
  pointer-events: auto;
}

/* Neon line */
.footer-slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  width: 80%;
  height: 2px;
  background: linear-gradient(to right, transparent, #315381, transparent);
  box-shadow: 0 0 15px rgba(0,200,255,.8);
}

/* FOOTER TOGGLE – AI CONTROL */
.footer-toggle {
  position: fixed;
  bottom: 2vw;
  right: 2vw;
  width: 2.8vw;
  height: 2.8vw;
  border-radius: 50%;
  border: none;
  background: rgba(5,11,30,.65);
  color: #315381;
  font-size: 1.3vw;
  cursor: pointer;
  z-index: 99;
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 20px rgba(0,200,255,.35),
    inset 0 0 10px rgba(255,255,255,.05);
  transition: .35s ease;
}

.footer-toggle:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 30px rgba(0,200,255,.6),
    inset 0 0 15px rgba(255,255,255,.08);
}

.footer-slide {
  position: fixed;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 28%;
  background: rgba(5,11,30,.75);
  backdrop-filter: blur(14px);
  z-index: 98;
  padding: 3vw 4vw;
  transform: translateY(110%);
  transition: transform .7s cubic-bezier(.4,0,.2,1);
  box-shadow:
    0 -20px 60px rgba(0,200,255,.25);
}

/* Neon top line */
.footer-slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  width: 80%;
  height: 2px;
  background: linear-gradient(
    to right,
    transparent,
    #315381,
    transparent
  );
  box-shadow: 0 0 15px rgba(0,200,255,.8);
}

.footer-slide {
  pointer-events: none;
}

/* ===== SCAN LINE EFFECT ===== */
.footer-slide::after {
  content: "";
  position: absolute;
  left: 0;
  top: -30%;
  width: 100%;
  height: 30%;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(0,200,255,.15),
    transparent
  );
  animation: scanLine 6s linear infinite;
  pointer-events: none;
}

@keyframes scanLine {
  from { top: -30%; }
  to   { top: 100%; }
}


.footer-slide.active {
  pointer-events: auto;
  transform: translateY(0);
}

.footer-content {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 4vw;
  color: rgba(206,224,244,.85);
}

/* Column */
.footer-col h4 {
  font-size: 0.95vw;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 0.8vw;
  color: #315381;
}

.footer-col p {
  font-size: 0.8vw;
  line-height: 1.7;
  opacity: .75;
}

.footer-col a {
  font-size: 0.8vw;
  color: #315381;
  text-decoration: none;
  position: relative;
}

/* subtle underline animation */
.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1px;
  background: #315381;
  transition: .3s ease;
}

.footer-col a:hover::after {
  width: 100%;
}

/* ===============================
   MOBILE
================================ */
@media (max-width: 768px) {
  .footer-slide {
    height: 100vh;
    padding: 10vw 6vw;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 8vw;
    margin-top: 10vw;
  }

  .footer-col h4 {
    font-size: 4vw;
  }

  .footer-col p,
  .footer-col a {
    font-size: 3.5vw;
  }

  .footer-toggle {
    width: 12vw;
    height: 12vw;
    font-size: 6vw;
  }
}