* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #090909;
  color: white;
}

/* Navbar */
/* ===========================================
   NAVBAR
=========================================== */

.navbar{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:90px;

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

    padding:0 60px;

    background:rgba(0,0,0,.75);
    backdrop-filter:blur(12px);

    border-bottom:1px solid rgba(255,255,255,.08);

    z-index:9999;
}

/* ===========================================
   LOGO
=========================================== */

.logo{
    font-family:"Poppins",sans-serif;
    font-size:34px;
    font-weight:800;
    letter-spacing:1px;
    color:#fff;
    line-height:1;
    user-select:none;
}

.logo span{
    color:#d10000;
}

/* ===========================================
   MENU
=========================================== */

.navbar ul{
    display:flex;
    align-items:center;
    gap:40px;
    list-style:none;
}

.navbar ul li{
    list-style:none;
}

/* ===========================================
   LINKS
=========================================== */

.navbar ul li a{

    font-family:"Poppins",sans-serif;

    font-size:16px;

    font-weight:500;

    color:#fff;

    text-decoration:none;

    position:relative;

    transition:all .35s ease;

    letter-spacing:.4px;

}

/* Hover */

.navbar ul li a:hover{

    color:#ff3b3b;

}

/* Active Page */

.navbar ul li a.active{

    color:#ff2a2a;

}

.navbar ul li a.active::after{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:100%;

    height:2px;

    background:#ff2a2a;

}

/* Underline Animation */

.navbar ul li a::before{

    content:"";

    position:absolute;

    left:0;

    bottom:-8px;

    width:0;

    height:2px;

    background:#ff2a2a;

    transition:.35s;

}

.navbar ul li a:hover::before{

    width:100%;

}

/* Hero */
.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  padding: 120px 80px 0 80px;
  overflow: hidden;
  isolation: isolate;
}

/* Full background graffiti */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--bg-img);
  background-size: cover;
  background-position: center;
  filter: blur(3px) brightness(0.55);
  transform: scale(1.15);
  z-index: 0;
}

/* Main hero image */
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  z-index: 1;
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  margin-top: 40px;
}

.hero h1 {
  font-size: 120px;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: 2px;

  /* red-white blend */
  background: linear-gradient(
    90deg,
    rgba(255, 80, 80, 0.85) 0%,
    rgba(255, 255, 255, 0.92) 35%,
    rgba(255, 40, 40, 0.85) 70%,
    rgba(255, 255, 255, 0.9) 100%
  );

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;

  /* red glow */
  text-shadow:
    0 0 6px rgba(255, 0, 0, 0.35),
    0 0 12px rgba(255, 0, 0, 0.2);
}

.hero h2 {
  font-size: 48px;
  margin-top: 20px;
  line-height: 1.2;
}

.hero p {
  margin-top: 25px;
  font-size: 22px;
  color: #ccc;
}

.hero button {
  margin-top: 30px;
  padding: 18px 35px;
  background: red;
  border: none;
  color: white;
  font-size: 18px;
  cursor: pointer;
  transition: 0.3s;
}

.hero button:hover {
  transform: scale(1.05);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 50px;
  background: #111;
}

.stat-box {
  text-align: center;
}

.stat-box h3 {
  color: red;
  font-size: 34px;
}

.stat-box p {
  margin-top: 10px;
  color: #bbb;
}

/* About */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding: 80px;
  align-items: center;
}

.about-left img {
  width: 100%;
  border-radius: 10px;
}

.about-right h2 {
  font-size: 40px;
  margin-bottom: 20px;
}

.about-right p {
  color: #bbb;
  font-size: 20px;
  line-height: 1.8;
}

.about button {
  margin-top: 25px;
  padding: 16px 30px;
  background: transparent;
  color: white;
  border: 1px solid red;
  cursor: pointer;
}

/* Authors */
.authors {
  padding: 80px;
}

.authors h2 {
  font-size: 42px;
  margin-bottom: 40px;
}

.author-container {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.author-card {
  background: #151515;
  padding: 40px 35px;
  border-radius: 20px;
  width: 420px;
  text-align: center;
  transition: 0.4s;
  box-sizing: border-box;
}

.author-card:hover {
  transform: translateY(-8px);
}

.author-card img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  display: block;
  margin: 0 auto;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.author-card h3 {
  margin-top: 24px;
  font-size: 30px;
  font-weight: 700;
}

.author-card p {
  color: red;
  margin-top: 12px;
  font-size: 20px;
  line-height: 1.5;
}



/* Tablet */
@media (max-width: 992px) {
  .navbar {
    padding: 20px 30px;
  }

  .navbar ul {
    gap: 15px;
    font-size: 14px;
  }

  .hero {
    padding: 140px 40px 0 40px;
  }

  .hero h1 {
    font-size: 90px;
  }

  .hero h2 {
    font-size: 36px;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .about {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 20px;
    padding: 20px;
  }

  .navbar ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .hero {
    padding: 180px 25px 40px 25px;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero h1 {
    font-size: 64px;
  }

  .hero h2 {
    font-size: 28px;
  }

  .hero p {
    font-size: 18px;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  .about {
    padding: 40px 20px;
  }

  .about-right h2 {
    font-size: 28px;
  }

  .about-right p {
    font-size: 16px;
  }

  .authors {
    padding: 40px 20px;
  }

  .author-container {
    justify-content: center;
  }

  .author-card {
    width: 100%;
    max-width: 320px;
  }
}



.visitor-counter {
  padding: 60px 20px;
  text-align: center;
  background: #090909;
}

.visitor-counter h2 {
  font-size: 42px;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: 2px;

  /* red-white blend */
  background: linear-gradient(
    90deg,
    rgba(255, 80, 80, 0.85) 0%,
    rgba(255, 255, 255, 0.92) 35%,
    rgba(255, 40, 40, 0.85) 70%,
    rgba(255, 255, 255, 0.9) 100%
  );

  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;

  /* red glow */
  text-shadow:
    0 0 6px rgba(255, 0, 0, 0.35),
    0 0 12px rgba(255, 0, 0, 0.2);
}

#visitCount {
  font-size: 60px;
  color: whitesmoke;
  font-weight: bold;
}

/* ==========================
   DATASET SECTION
========================== */

.dataset-section{
    padding:80px 20px;
    background:#090909;
    text-align:center;
}

.dataset-container{
    max-width:850px;
    margin:auto;
}

.dataset-section h2{
    font-size:42px;
    margin-bottom:20px;
    color:#fff;
}

.dataset-section p{
    color:#ccc;
    font-size:20px;
    line-height:1.8;
    margin-bottom:35px;
}

.dataset-btn{
    display:inline-block;
    padding:18px 40px;
    background:#d10000;
    color:#fff;
    text-decoration:none;
    border-radius:10px;
    font-size:18px;
    font-weight:600;
    transition:.3s;
}

.dataset-btn:hover{
    background:#ff2020;
    transform:translateY(-3px);
    box-shadow:0 0 20px rgba(255,0,0,.35);
}


/* ===========================================
        FOOTER
=========================================== */

footer{

    background:#050505;

    padding:80px 20px;

}

.footer-content{

    max-width:900px;

    margin:auto;

    text-align:center;

}

.footer-content h2{

    font-size:42px;

    margin-bottom:15px;

}

.footer-content h2 span{

    color:#d10000;

}

.footer-content p{

    color:#bbbbbb;

    font-size:18px;

}

.footer-content hr{

    margin:35px auto;

    width:150px;

    border:1px solid rgba(255,255,255,.08);

}