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

html {
  scroll-behavior: smooth;
  scrollbar-width: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar,
.modal-box::-webkit-scrollbar {
  width: 0;
  display: none;
}

body {
  background:
    radial-gradient(circle at top left, rgba(33,150,243,.20), transparent 28%),
    radial-gradient(circle at top right, rgba(33,150,243,.12), transparent 30%),
    linear-gradient(180deg, #020202, #070707 45%, #030303);
  color: #fff;
  overflow-x: hidden;
}

#loader {
  position: fixed;
  inset: 0;
  background: #050505;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}

#loader.hide {
  opacity: 0;
  visibility: hidden;
}

#loader img {
  width: 170px;
  animation: pulse 1s infinite alternate;
}

#loader p {
  margin-top: 14px;
  color: #2196F3;
  font-weight: 800;
}

@keyframes pulse {
  from { transform: scale(.94); opacity: .6; }
  to { transform: scale(1.04); opacity: 1; }
}

.navbar {
  height: 72px;
  padding: 0 7%;
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(5, 5, 5, .78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid #1f1f1f;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 900;
  font-size: 22px;
}

.brand img {
  width: 70px;
  height: 44px;
  object-fit: contain;
}

.nav-btn {
  color: #fff;
  background: #0f0f0f;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 11px 18px;
  font-size: 16px;
  cursor: pointer;
  transition: .25s;
}

.nav-btn:hover {
  color: #2196F3;
  border-color: #2196F3;
  box-shadow: 0 0 18px rgba(33,150,243,.25);
  transform: translateY(-2px);
}

.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 55px 7%;
}

.hero-card {
  width: min(720px, 100%);
  text-align: center;
  padding: 55px 30px;
  border-radius: 28px;
  border: 1px solid #222;
  background: linear-gradient(180deg, rgba(18,18,18,.95), rgba(7,7,7,.96));
  box-shadow: 0 0 60px rgba(33,150,243,.12);
  transition: .3s ease;
}

.hero-card:hover {
  border-color: #2196F3;
  box-shadow: 0 0 35px rgba(33,150,243,.22);
  transform: translateY(-5px);
}

.hero-logo {
  width: 220px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 52px;
}

.hero p {
  color: #d0d0d0;
  margin-top: 12px;
}

.rating-box {
  margin: 22px auto 0;
  width: fit-content;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid #222;
  background: rgba(33,150,243,.08);
}

.rating-box span {
  color: #2196F3;
  margin-right: 8px;
}

.hero-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: center;
  gap: 14px;
}

.btn {
  padding: 15px 32px;
  border-radius: 999px;
  font-weight: 900;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: .25s;
}

.primary {
  background: #2196F3;
  color: #fff;
}

.secondary {
  background: transparent;
  color: #fff;
  border: 1px solid #333;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 22px rgba(33,150,243,.28);
}

.section {
  padding: 80px 7%;
}

.section h2 {
  text-align: center;
  font-size: 36px;
}

.sub {
  text-align: center;
  color: #aaa;
  margin-top: 10px;
}

.product-grid {
  margin-top: 45px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.product-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #0c0c0c;
  border: 1px solid #222;
  cursor: pointer;
  transition: .3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: #2196F3;
  box-shadow: 0 0 35px rgba(33,150,243,.25);
}

.badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 999px;
  background: #2196F3;
  color: #fff;
  font-size: 12px;
  font-weight: 900;
}

.product-img-wrap {
  height: 315px;
  background: #000;
  overflow: hidden;
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
}

.product-info {
  padding: 22px;
  background: #0d0d0d;
}

.product-info h3 {
  font-size: 21px;
}

.product-info p {
  margin-top: 8px;
  color: #2196F3;
  font-weight: 900;
  font-size: 18px;
}

.changelog {
  margin: 42px auto 0;
  width: min(850px, 100%);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.log-item {
  padding: 20px;
  border-radius: 18px;
  background: #0c0c0c;
  border: 1px solid #222;
  transition: .25s;
}

.log-item:hover {
  border-color: #2196F3;
  box-shadow: 0 0 22px rgba(33,150,243,.18);
  transform: translateY(-3px);
}

.log-item b {
  color: #2196F3;
  font-size: 18px;
}

.log-item p {
  margin-top: 8px;
  color: #d0d0d0;
}

.link-grid {
  margin-top: 42px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.link-grid a {
  color: #fff;
  text-decoration: none;
  padding: 19px;
  text-align: center;
  border-radius: 18px;
  border: 1px solid #222;
  background: #0c0c0c;
  transition: .25s;
}

.link-grid a:hover {
  color: #2196F3;
  border-color: #2196F3;
  box-shadow: 0 0 22px rgba(33,150,243,.22);
  transform: translateY(-4px);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, .78);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: .28s ease;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-box {
  width: min(1120px, 100%);
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 32px;
  background: #080808;
  border: 1px solid #222;
  border-radius: 28px;
  transform: translateY(35px) scale(.96);
  opacity: 0;
  transition: .32s ease;
}

.modal.active .modal-box {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.close {
  position: absolute;
  top: 18px;
  right: 20px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid #333;
  background: #111;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

.detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
}

.detail-image {
  width: 100%;
  min-height: 520px;
  border-radius: 24px;
  background: #000;
  object-fit: cover;
}

.detail h2 {
  font-size: 38px;
}

.price {
  color: #2196F3;
  font-size: 30px;
  font-weight: 900;
  margin: 10px 0 18px;
}

.buy {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 999px;
  background: #2196F3;
  color: #fff;
  font-weight: 900;
  cursor: pointer;
  margin-bottom: 24px;
  transition: .25s;
}

.buy:hover {
  filter: brightness(1.12);
  transform: translateY(-2px);
}

.box {
  background: #101010;
  border: 1px solid #252525;
  padding: 18px;
  border-radius: 18px;
  margin-top: 18px;
}

.box h3 {
  margin-bottom: 12px;
}

.box ul {
  padding-left: 20px;
  color: #d2d2d2;
  line-height: 1.8;
}

.price-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.price-option {
  padding: 16px;
  border: 1px solid #252525;
  border-radius: 16px;
  background: #101010;
  cursor: pointer;
  transition: .25s;
}

.price-option:hover,
.price-option.active {
  border-color: #2196F3;
  box-shadow: 0 0 0 1px #2196F3, 0 0 22px rgba(33,150,243,.18);
  background: rgba(33, 150, 243, .08);
}

.price-option b {
  display: block;
  margin-bottom: 4px;
}

.about h2,
.about h3 {
  margin: 18px 0 10px;
}

.about p,
.about li {
  color: #d0d0d0;
  line-height: 1.75;
}

.about ul {
  padding-left: 22px;
}

.footer {
  margin-top: 50px;
  padding: 36px 7%;
  text-align: center;
  background: #202020;
  border-top: 1px solid #2c2c2c;
}

.footer img {
  width: 90px;
  height: 58px;
  object-fit: contain;
}

.footer h2 {
  font-size: 30px;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  margin-bottom: 24px;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
}

.footer-links a:hover {
  color: #2196F3;
}

.footer p {
  color: #aaa;
  font-size: 14px;
  margin-bottom: 8px;
}

.footer span {
  color: #777;
  font-size: 13px;
}

@media (max-width: 900px) {
  .product-grid,
  .link-grid,
  .detail {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 40px;
  }

  .detail-image {
    min-height: 360px;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0 18px;
  }

  .hero-card {
    padding: 45px 18px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .section {
    padding: 65px 20px;
  }

  .product-img-wrap {
    height: 255px;
  }
}