.btn-add {
  display: inline-block;
  padding: 10px 16px;
  background: #0071e3;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
}

.hero-section {
  position: relative;
  overflow: hidden;
}

.slide {
  display: none;
  position: relative;
}

.slide.active {
  display: block;
}

.hero-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  border: none;
  padding: 12px 16px;
  cursor: pointer;
  font-size: 20px;
  border-radius: 50%;
}

.hero-btn.prev {
  left: 20px;
}

.hero-btn.next {
  right: 20px;
}

:root {
  --primary: #0071e3;
  --black: #000000;
  --dark: #1d1d1f;
  --gray-bg: #f5f5f7;
  --border: #e5e5e7;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--dark);
  background: #fff;
  scroll-behavior: smooth;
}

.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-weight: 800;
  font-size: 1.4rem;
  text-decoration: none;
  color: #000;
  letter-spacing: -1px;
}

.logo span {
  color: var(--primary);
}

.search-bar {
  position: relative;
  flex: 0 0 400px;
  margin: 0 40px;
}

.search-bar input {
  width: 100%;
  padding: 10px 15px 10px 40px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--gray-bg);
  outline: none;
  transition: var(--transition);
}

.search-bar input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.search-bar i {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
}

.nav-tools {
  display: flex;
  gap: 25px;
  align-items: center;
  font-size: 1.1rem;
}

.cart-icon {
  position: relative;
  cursor: pointer;
}

.cart-badge {
  position: absolute;
  left: -10px;
  right: -10px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* --- HERO SLIDER --- */
.hero-section {
  height: 75vh;
  margin-top: 70px;
  position: relative;
  overflow: hidden;
  background: #000;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1s;
  display: flex;
  align-items: center;
}

.slide.active {
  opacity: 1;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.slide-content {
  position: absolute;
  left: 10%;
  color: #fff;
  z-index: 5;
  max-width: 600px;
}

.slide-content h1 {
  font-size: 4rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.btn-white {
  background: #fff;
  color: #000;
  padding: 15px 35px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
}

/* --- FILTER BAR --- */
.filter-bar {
  background: #fff;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 70px;
  z-index: 900;
}

.filter-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.category-tabs {
  display: flex;
  gap: 10px;
}

.tab {
  padding: 8px 20px;
  border-radius: 20px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.tab.active,
.tab:hover {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}

.sort-options select {
  padding: 8px 15px;
  border-radius: 10px;
  border: 1px solid var(--border);
  outline: none;
  font-weight: 600;
}

/* --- PRODUCT GRID --- */
.products-section {
  padding: 60px 0;
}

.p-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.p-card {
  background: #fff;
  border-radius: 20px;
  padding: 20px;
  border: 1px solid transparent;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

.p-card:hover {
  border-color: var(--border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  transform: translateY(-5px);
}

.p-img {
  width: 100%;
  height: 220px;
  object-fit: contain;
  margin-bottom: 15px;
}

.p-badge {
  position: absolute;
  top: 15px;
  left: 15px;
  background: #000;
  color: #fff;
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 5px;
  font-weight: 700;
}

.p-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 8px;
  min-height: 44px;
}

.p-price-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
}

.p-new {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--primary);
}

.p-old {
  text-decoration: line-through;
  color: #999;
  font-size: 0.85rem;
}

.p-sold-wrap {
  margin-bottom: 15px;
}

.p-sold-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.p-bar {
  height: 6px;
  background: #f0f0f0;
  border-radius: 10px;
  overflow: hidden;
}

.p-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #5ac8fa);
  border-radius: 10px;
}

.btn-add {
  width: 100%;
  padding: 12px;
  border-radius: 12px;
  border: none;
  background: var(--dark);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
}

.btn-add:hover {
  background: var(--primary);
}

/* --- FOOTER --- */
footer {
  background: var(--gray-bg);
  padding: 80px 0 40px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
}

.footer-col h4 {
  margin-bottom: 25px;
  font-weight: 700;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  text-decoration: none;
  color: #666;
  font-size: 0.9rem;
  transition: 0.3s;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.newsletter input {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}

.btn-sub {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  border: none;
  font-weight: 700;
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .search-bar {
    flex: 1;
    margin: 0 20px;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .search-bar {
    display: none;
  }

  .slide-content h1 {
    font-size: 2.5rem;
  }
}