/* =========================
   GOOGLE FONT
========================= */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&family=Poppins:wght@300;400;500;600&display=swap');

/* =========================
   RESET
========================= */
*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html,
body{
  width:100%;
  overflow-x:hidden;
  scroll-behavior:smooth;
}

body{
  font-family:'Poppins',sans-serif;
  background:#020412;
  color:white;
}

/* =========================
   MAIN CONTAINER
========================= */
.slider-container{
  width:100%;
  min-height:100vh;
  position:relative;
  overflow:hidden;

  background:
    radial-gradient(circle at top,#13203b 0%,#050816 40%,#010104 100%);
}

/* animated stars */
.slider-container::before{
  content:"";
  position:absolute;
  inset:0;

  background-image:
    radial-gradient(white 1px, transparent 1px),
    radial-gradient(white 1px, transparent 1px);

  background-size:80px 80px,120px 120px;
  background-position:0 0,40px 40px;

  opacity:0.18;
  animation:starsMove 60s linear infinite;
  z-index:0;
}

@keyframes starsMove{
  from{
    transform:translateY(0);
  }
  to{
    transform:translateY(-100px);
  }
}

/* =========================
   NAVBAR
========================= */
.navbar{
  width:100%;
  padding:25px 7%;
  display:flex;
  justify-content:space-between;
  align-items:center;

  position:relative;
  z-index:10;
}

.logo{
  font-size:2rem;
  font-family:'Orbitron',sans-serif;
  font-weight:700;
  letter-spacing:4px;

  background:linear-gradient(to right,#ffffff,#7aa7ff);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

/* =========================
   HAMBURGER
========================= */
.hamburger-container{
  position:relative;
}

.hamburger-icon{
  width:45px;
  cursor:pointer;

  display:flex;
  flex-direction:column;
  gap:7px;
}

.line{
  height:3px;
  background:white;
  border-radius:20px;
  transition:0.4s;
}

.long{
  width:100%;
}

.medium{
  width:75%;
}

.short{
  width:50%;
}

.hamburger-icon:hover .medium{
  width:100%;
}

.hamburger-icon:hover .short{
  width:100%;
}

/* =========================
   MINI PLANETS MENU
========================= */
.planet-mini-list{
  position:absolute;
  top:70px;
  right:0;

  display:flex;
  flex-direction:column;
  gap:12px;

  padding:18px;

  background:rgba(255,255,255,0.08);
  backdrop-filter:blur(15px);

  border:1px solid rgba(255,255,255,0.1);
  border-radius:20px;

  opacity:0;
  visibility:hidden;
  transform:translateY(15px);

  transition:0.4s;
}

.hamburger-container:hover .planet-mini-list{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.mini-planet{
  width:42px;
  height:42px;
  object-fit:contain;
  cursor:pointer;

  transition:0.35s;
}

.mini-planet:hover{
  transform:scale(1.2) rotate(10deg);
  filter:drop-shadow(0 0 12px white);
}
.planet-item{
    display:flex;
    align-items:center;
    gap:12px;

    padding:6px 10px;
    border-radius:12px;

    transition:0.3s;
}

.planet-item span{
    color:white;

    font-size:0.9rem;
    font-weight:500;

    letter-spacing:1px;

    opacity:.85;

    transition:.3s;
}

.planet-item:hover{
    background:
    rgba(255,255,255,.06);
}

.mini-planet.active{
    transform:scale(1.2);

    filter:
    drop-shadow(0 0 10px white);
}

.planet-item:has(.mini-planet.active)
span{

    color:#8ca8ff;

    text-shadow:
    0 0 12px rgba(138,170,255,.7);

    font-weight:600;
}
/* =========================
   SLIDER
========================= */
.slider{
  width:100%;
  position:relative;
}

/* =========================
   SLIDE
========================= */
.slide{
  width:100%;
  min-height:100vh;

  padding:40px 7% 120px;

  display:none;
  align-items:center;
  justify-content:center;

  position:relative;
  z-index:2;
}

.slide.active{
  display:flex;
  animation:fadeSlide 0.8s ease;
}

@keyframes fadeSlide{
  from{
    opacity:0;
    transform:translateY(20px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

/* =========================
   CONTENT WRAPPER
========================= */
.content-wrapper{
  width:100%;

  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  align-items:center;
  gap:40px;
}

/* =========================
   LEFT CONTENT
========================= */
.left-col{
  display:flex;
  flex-direction:column;
  gap:22px;
}

.slide-number{
  color:#8ca8ff;
  font-size:0.95rem;
  letter-spacing:2px;
}

.planet-title{
  font-size:5rem;
  font-family:'Orbitron',sans-serif;
  line-height:1;
  letter-spacing:4px;

  text-shadow:
    0 0 20px rgba(255,255,255,0.4),
    0 0 40px rgba(98,146,255,0.3);
}

.description{
  color:#d5d8e6;
  line-height:1.9;
  font-size:1rem;
  max-width:500px;
}

/* =========================
   BUTTON
========================= */
.learn-more{
  width:fit-content;
  padding:15px 34px;

  border:none;
  border-radius:50px;

  background:linear-gradient(135deg,#6fa7ff,#8b5cff);
  color:white;

  font-weight:600;
  letter-spacing:1px;

  cursor:pointer;
  transition:0.4s;
}

.learn-more:hover{
  transform:translateY(-4px) scale(1.03);

  box-shadow:
    0 12px 30px rgba(111,167,255,0.4);
}

/* =========================
   CENTER PLANET
========================= */
.center-col{
  display:flex;
  justify-content:center;
  align-items:center;
}

.planet-img{
  width:100%;
  max-width:420px;

  object-fit:contain;

  animation:floatPlanet 5s ease-in-out infinite;
  filter:drop-shadow(0 0 30px rgba(255,255,255,0.18));

  transition:0.5s;
}

.planet-img:hover{
  transform:scale(1.05) rotate(6deg);
}

@keyframes floatPlanet{
  0%{
    transform:translateY(0px);
  }
  50%{
    transform:translateY(-18px);
  }
  100%{
    transform:translateY(0px);
  }
}

.planet-large{
  max-width:520px;
}

.blue-glow{
  filter:
    drop-shadow(0 0 18px #55b8ff)
    drop-shadow(0 0 40px #245fff);
}

/* =========================
   RIGHT CONTENT
========================= */
.right-col{
  display:flex;
  flex-direction:column;
  gap:24px;
}

.stat{
  padding:22px;

  background:rgba(255,255,255,0.06);
  backdrop-filter:blur(12px);

  border:1px solid rgba(255,255,255,0.08);
  border-radius:20px;

  transition:0.35s;
}

.stat:hover{
  transform:translateX(8px);

  background:rgba(255,255,255,0.1);
}

.label{
  display:block;

  color:#8ca8ff;
  margin-bottom:8px;

  font-size:0.85rem;
  letter-spacing:2px;
}

.value{
  font-size:1.15rem;
  font-weight:600;
}

/* =========================
   CONTROLS
========================= */
.controls{
  width:100%;

  padding:25px 7%;

  position:absolute;
  bottom:0;
  left:0;
  z-index:20;

  display:flex;
  justify-content:space-between;
  align-items:center;
}

.control-btn{
  padding:14px 28px;

  border:none;
  border-radius:50px;

  background:rgba(255,255,255,0.08);
  color:white;

  backdrop-filter:blur(12px);

  cursor:pointer;
  transition:0.35s;
}

.control-btn:hover{
  background:white;
  color:#020412;

  transform:translateY(-3px);
}

.scroll-indicator{
  letter-spacing:4px;
  color:#9eb8ff;
  font-size:0.9rem;

  animation:scrollBlink 1.8s infinite;
}

@keyframes scrollBlink{
  0%,100%{
    opacity:0.4;
  }
  50%{
    opacity:1;
  }
}

/* =========================
   TABLET
========================= */
@media(max-width:1024px){

  .content-wrapper{
    grid-template-columns:1fr;
    text-align:center;
  }

  .left-col{
    align-items:center;
    order:1;
  }

  .center-col{
    order:2;
  }

  .right-col{
    order:3;
  }

  .planet-title{
    font-size:4rem;
  }

  .description{
    max-width:700px;
  }

  .right-col{
    width:100%;
    flex-direction:row;
    justify-content:center;
    flex-wrap:wrap;
  }

  .stat{
    min-width:220px;
  }
}

/* =========================
   MOBILE
========================= */
@media(max-width:768px){

  .navbar{
    padding:20px 5%;
  }

  .slide{
    padding:20px 5% 120px;
  }

  .logo{
    font-size:1.4rem;
  }

  .planet-title{
    font-size:2.8rem;
  }

  .planet-img{
    max-width:280px;
  }

  .planet-large{
    max-width:330px;
  }

  .description{
    font-size:0.95rem;
    line-height:1.7;
  }

  .controls{
    padding:18px 5%;
  }

  .control-btn{
    padding:12px 20px;
    font-size:0.85rem;
  }

  .scroll-indicator{
    font-size:0.75rem;
    letter-spacing:2px;
  }

  .right-col{
    flex-direction:column;
  }

  .stat{
    width:100%;
  }

  .planet-mini-list{
    flex-direction:row;
    flex-wrap:wrap;
    width:240px;
    justify-content:center;
  }
}

/* =========================
   SMALL MOBILE
========================= */
@media(max-width:480px){

  .planet-title{
    font-size:2.2rem;
  }

  .planet-img{
    max-width:230px;
  }

  .learn-more{
    padding:12px 24px;
    font-size:0.85rem;
  }

  .controls{
    gap:10px;
  }

  .control-btn{
    width:110px;
  }
}

/* =========================
   BACK TO HOME BUTTON
========================= */

.project-back-button{
  position:fixed;
  top:30px;
  right:250px;
  z-index:9999;

  padding:12px 22px;

  border-radius:50px;

  background:
    linear-gradient(135deg,#6fa7ff,#8b5cff);

  color:white;
  text-decoration:none;

  font-family:'Orbitron',sans-serif;
  font-size:0.9rem;
  font-weight:600;
  letter-spacing:1px;

  box-shadow:
    0 10px 30px rgba(111,167,255,0.35);

  transition:0.35s;
}

.project-back-button:hover{
  transform:
    translateY(-3px)
    scale(1.04);

  box-shadow:
    0 15px 40px rgba(111,167,255,0.55);

  background:
    linear-gradient(135deg,#8b5cff,#6fa7ff);
}

/* MOBILE */
@media(max-width:768px){

  .project-back-button{
    top:20px;
    right:20px;

    padding:10px 18px;

    font-size:0.75rem;
  }

}