/* =========================
   CLASSIC PREMIUM HERO
========================= */

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

.explore-hero{
  position: relative;
  width: 100%;
  min-height: 100vh;

  background:
    linear-gradient(
      135deg,
      #050505,
      #0d0d0d,
      #111111
    );

  overflow: hidden;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 120px 7%;
}

/* =========================
   SOFT BACKGROUND GLOW
========================= */

.explore-hero::before{
  content: "";

  position: absolute;
  width: 500px;
  height: 500px;

  background: rgba(249,115,22,0.08);

  border-radius: 50%;

  filter: blur(120px);

  top: -120px;
  right: -120px;
}

.explore-hero::after{
  content: "";

  position: absolute;
  width: 400px;
  height: 400px;

  background: rgba(59,130,246,0.06);

  border-radius: 50%;

  filter: blur(120px);

  bottom: -100px;
  left: -100px;
}

/* =========================
   CONTAINER
========================= */

.explore-container{
  position: relative;
  z-index: 2;

  width: 100%;
  max-width: 1400px;

  margin: auto;

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

  gap: 70px;
}

/* =========================
   LEFT CONTENT
========================= */

.hero-content{
  flex: 1;
}

.hero-tag{
  display: inline-block;

  padding: 10px 22px;

  border-radius: 50px;

  border: 1px solid rgba(249,115,22,0.25);

  background: rgba(249,115,22,0.06);

  color: #f59e0b;

  font-size: 12px;
  letter-spacing: 2px;

  margin-bottom: 28px;
}

.hero-content h1{
  font-size: clamp(3rem, 6vw, 5.5rem);

  line-height: 1.05;

  color: white;

  margin-bottom: 28px;

  font-weight: 800;

  max-width: 650px;
}

.hero-content h1 span{
  color: #f59e0b;
}

.hero-content p{
  color: #d1d5db;

  font-size: 1.08rem;

  line-height: 1.9;

  max-width: 620px;

  margin-bottom: 40px;
}

/* =========================
   BUTTONS
========================= */

.hero-buttons{
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.primary-btn,
.secondary-btn{
  padding: 16px 34px;

  border-radius: 50px;

  text-decoration: none;

  font-weight: 700;

  transition: 0.4s ease;

  font-size: 1rem;
}

.primary-btn{
  background:
    linear-gradient(
      135deg,
      #f59e0b,
      #f97316
    );

  color: white;

  box-shadow:
    0 10px 30px rgba(249,115,22,0.25);
}

.primary-btn:hover{
  transform: translateY(-5px);
}

.secondary-btn{
  border: 1px solid rgba(255,255,255,0.12);

  color: white;

  background: rgba(255,255,255,0.03);
}

.secondary-btn:hover{
  border-color: #f59e0b;

  color: #f59e0b;
}

/* =========================
   BOOK SHOWCASE
========================= */

.hero-showcase{
  flex: 1;

  position: relative;

  display: flex;
  align-items: center;
  justify-content: center;

  gap: 20px;

  min-height: 500px;
}

/* =========================
   BOOK CARDS
========================= */

.book-card{
  position: relative;

  border-radius: 22px;

  overflow: hidden;

  transition: 0.4s ease;

  background: #111;

  box-shadow:
    0 10px 40px rgba(0,0,0,0.4);
}

.book-card img{
  width: 100%;
  display: block;
}

/* MAIN BOOK */

.main-book{
  width: 290px;

  z-index: 5;

  transform: translateY(-20px);

  box-shadow:
    0 0 40px rgba(59,130,246,0.18);
}

/* SIDE BOOKS */

.side-book{
  width: 210px;

  opacity: 0.92;
}

/* HOVER */

.book-card:hover{
  transform: translateY(-10px);
}

/* FLOAT EFFECT */

.main-book{
  animation: floatMain 5s ease-in-out infinite;
}

.side-book{
  animation: floatSide 5s ease-in-out infinite;
}

@keyframes floatMain{

  0%{
    transform: translateY(-20px);
  }

  50%{
    transform: translateY(-35px);
  }

  100%{
    transform: translateY(-20px);
  }
}

@keyframes floatSide{

  0%{
    transform: translateY(0px);
  }

  50%{
    transform: translateY(-12px);
  }

  100%{
    transform: translateY(0px);
  }
}

/* =========================
   LAPTOP
========================= */

@media(max-width:1100px){

  .explore-container{
    flex-direction: column;

    text-align: center;

    gap: 60px;
  }

  .hero-content p{
    margin-inline: auto;
  }

  .hero-buttons{
    justify-content: center;
  }
}

/* =========================
   TABLET
========================= */

@media(max-width:768px){

  .explore-hero{
    padding: 100px 20px;
  }

  .hero-content h1{
    font-size: 3rem;
  }

  .hero-content p{
    font-size: 1rem;
  }

  .hero-buttons{
    flex-direction: column;
    align-items: center;
  }

  .primary-btn,
  .secondary-btn{
    width: 100%;
    max-width: 320px;

    text-align: center;
  }

  .hero-showcase{
    min-height: 380px;

    gap: 12px;
  }

  .main-book{
    width: 200px;
  }

  .side-book{
    width: 140px;
  }
}

/* =========================
   MOBILE
========================= */

@media(max-width:480px){

  .explore-hero{
    padding: 80px 16px;
  }

  .hero-tag{
    font-size: 11px;
  }

  .hero-content h1{
    font-size: 2.2rem;
  }

  .hero-content p{
    font-size: 0.95rem;
  }

  .hero-showcase{
    min-height: 280px;

    gap: 8px;
  }

  .main-book{
    width: 140px;
  }

  .side-book{
    width: 95px;
  }
}