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

:root {
  --primary-grad: linear-gradient(135deg, #5f52e8 0%, #9b5de5 100%);
  --primary-color: #6d63fc;
  --shadow: 0 10px 25px rgba(0,0,0,.08);
  --radius: 16px;
  --bg-light: #f4f5fb;
  --text-color: #333;
  --text-light: #777;
  --card-bg: #fff;
  --transition: all .3s ease-in-out;
  scroll-behavior: smooth;
}

/* ========= BODY ========= */
body {
  font-family: 'Poppins', 'IRANSans', sans-serif;
  background: var(--bg-light);
  color: var(--text-color);
  direction: rtl;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========= HEADER ========= */
header {
  background: var(--primary-grad);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
  padding: .8rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 1.5rem;
  letter-spacing: -.5px;
}

nav a {
  color: #fff;
  margin: 0 .8rem;
  text-decoration: none;
  font-weight: 500;
}
nav a:hover {
  color: #ffe4ff;
}

/* ========= SLIDER ========= */
.slider {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.slide {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: slideAnim 15s infinite;
}

@keyframes slideAnim {
  0%, 33% {transform: translateX(0);}
  40%, 66% {transform: translateX(-100%);}
  73%, 100% {transform: translateX(0);}
}

/* ========= MAIN LAYOUT ========= */
.main {
  display: flex;
  flex: 1;
  padding: 1.5rem 2rem;
  gap: 1.5rem;
}

/* ==== Sidebar ==== */
.sidebar {
  width: 240px;
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.2rem;
  height: fit-content;
}

.sidebar h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: .4rem;
}

.sidebar ul { list-style: none; }
.sidebar li {
  margin: .7rem 0;
  transition: var(--transition);
}
.sidebar a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
}
.sidebar li:hover a {
  color: var(--primary-color);
  padding-right: 4px;
}

/* ==== Content/Grid ===== */
.content {
  flex: 1;
}

.section-title {
  font-size: 1.3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1.4rem;
}

/* ==== Product Card ==== */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 35px rgba(0,0,0,0.12);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 1px solid #eee;
}

.card .info {
  padding: .9rem;
  text-align: center;
}

.card .info h4 {
  font-size: 1rem;
  color: var(--text-color);
}

.card .info p {
  font-size: .9rem;
  color: var(--text-light);
  margin: .3rem 0;
}

.card .price {
  color: #27ae60;
  font-weight: bold;
  font-size: 1rem;
  margin-top: .5rem;
}

/* ========= FOOTER ========= */
footer {
  text-align: center;
  background: #fff;
  padding: 1.2rem 0;
  box-shadow: 0 -3px 15px rgba(0,0,0,.05);
  color: var(--text-light);
  font-size: .9rem;
}

/* ========= RESPONSIVE ========= */
@media (max-width: 992px) {
  .main {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }
  .sidebar ul {
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
  }
  .sidebar li {
    margin: 0;
  }
}