:root {
  --bg: #0b0f14;
  --bg-soft: #111827;
  --card: #ffffff;
  --muted: #6b7280;
  --line: #e5e7eb;
  --text: #111827;
  --white: #ffffff;
  --neon: #c6ff00;
  --orange: #ff5a1f;
  --danger: #ef4444;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: #f4f5f7;
  color: var(--text);
}

button,
input,
select,
textarea {
  font-family: inherit;
}

button,
a {
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1180px, 92%);
  margin: auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 15, 20, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.brand span span {
  color: var(--neon);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  background: var(--neon);
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 1000;
  transform: rotate(-8deg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
  color: #d1d5db;
  font-weight: 800;
  font-size: 14px;
}

.nav-menu a {
  transition: 0.25s;
}

.nav-menu a:hover {
  color: var(--neon);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-pill,
.cart-pill,
.icon-btn {
  border: 0;
  border-radius: 999px;
  font-weight: 900;
}

.search-pill {
  background: rgba(255, 255, 255, 0.09);
  color: #e5e7eb;
  padding: 12px 18px;
}

.cart-pill {
  background: var(--neon);
  color: var(--bg);
  padding: 12px 18px;
}

.cart-pill span {
  display: inline-flex;
  width: 22px;
  height: 22px;
  margin-left: 8px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  color: var(--neon);
  font-size: 12px;
}

.mobile-menu-btn {
  display: none;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.09);
  color: white;
  font-size: 20px;
}

.page {
  display: none;
  min-height: 70vh;
  padding: 42px 0 70px;
}

.page.active {
  display: block;
}

.hero-grid {
  min-height: 620px;
  border-radius: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 75% 20%, rgba(198, 255, 0, 0.35), transparent 26%),
    radial-gradient(circle at 15% 80%, rgba(255, 90, 31, 0.28), transparent 28%),
    linear-gradient(135deg, #06080b, #111827 55%, #1f2937);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  color: white;
  position: relative;
}

.hero-copy {
  padding: 78px 58px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  width: fit-content;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  color: var(--neon);
  font-weight: 1000;
  margin-bottom: 16px;
}

.eyebrow.dark {
  color: var(--orange);
}

.hero-copy h1 {
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.9;
  letter-spacing: -4px;
  max-width: 720px;
  margin-bottom: 24px;
}

.hero-text {
  color: #d1d5db;
  line-height: 1.8;
  font-size: 17px;
  max-width: 560px;
  margin-bottom: 30px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 1000;
  transition: 0.25s;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn-primary {
  background: var(--neon);
  color: var(--bg);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: white;
}

.btn-dark {
  background: var(--bg);
  color: white;
}

.btn.full {
  width: 100%;
}

.hero-stats {
  margin-top: 48px;
  display: flex;
  gap: 34px;
  flex-wrap: wrap;
}

.hero-stats strong {
  display: block;
  font-size: 32px;
  color: var(--neon);
  line-height: 1;
}

.hero-stats span {
  display: block;
  margin-top: 7px;
  color: #d1d5db;
  font-size: 13px;
  font-weight: 800;
}

.hero-product {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.hero-product-card {
  width: min(390px, 100%);
  min-height: 470px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 38px;
  padding: 28px;
  backdrop-filter: blur(16px);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.35);
  transform: rotate(4deg);
  transition: 0.35s;
}

.hero-product-card:hover {
  transform: rotate(0deg) translateY(-8px);
}

.floating-label {
  display: inline-flex;
  background: var(--neon);
  color: var(--bg);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 1000;
  text-transform: uppercase;
}

.big-product-icon {
  width: 100%;
  height: 220px; /* Độ cao cố định để tất cả các card bằng nhau */
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff; /* Hoặc màu nền bạn muốn */
  border-radius: 16px;
  overflow: hidden;
  padding: 15px; /* Khoảng cách để ảnh không chạm mép card */
  margin-bottom: 15px;
}
.big-product-icon img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain; /* Cực kỳ quan trọng: giữ dáng ảnh, không làm méo giày */
  transition: transform 0.3s ease;
}
.big-product-card {
  height: 100%; /* Giúp các card trong cùng 1 hàng cao bằng nhau */
  display: flex;
  flex-direction: column;
}

.big-product-info {
  flex-grow: 1; /* Đẩy phần nút bấm hoặc giá xuống đáy card cho đều */
}
.hero-product-card h3 {
  font-size: 30px;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.hero-product-card p {
  color: #d1d5db;
  line-height: 1.7;
}

.hero-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
}

.hero-price-row strong {
  font-size: 24px;
  color: var(--neon);
}

.hero-price-row button {
  border: 0;
  background: white;
  color: var(--bg);
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 1000;
}

.mini-drop-card {
  position: absolute;
  right: 48px;
  bottom: 54px;
  background: white;
  color: var(--bg);
  padding: 18px 20px;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.mini-drop-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 5px;
}

.section-head {
  margin: 54px 0 22px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.section-head h2 {
  font-size: 38px;
  letter-spacing: -1.5px;
}

.text-btn {
  background: transparent;
  border: 0;
  font-weight: 1000;
  color: var(--orange);
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.style-card {
  min-height: 240px;
  border-radius: 30px;
  padding: 26px;
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: 0.25s;
  position: relative;
  overflow: hidden;
}

.style-card:hover {
  transform: translateY(-7px);
}

.style-card span {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 72px;
  opacity: 0.9;
}

.style-card h3 {
  font-size: 28px;
  margin-bottom: 8px;
}

.style-card p {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
}

.style-card.classic {
  background: linear-gradient(135deg, #111827, #64748b); /* Xám lịch lãm */
}

.style-card.casual {
  background: linear-gradient(135deg, #111827, #f59e0b); /* Cam/Vàng năng động */
}

.style-card.minimalism {
  background: linear-gradient(135deg, #111827, #475569); /* Đen xám tối giản */
}

.style-card.sport {
  background: linear-gradient(135deg, #111827, #2563eb); /* Xanh thể thao */
}

.product-row,
.product-grid {
  display: grid;
  gap: 20px;
}

.product-row {
  grid-template-columns: repeat(4, 1fr);
}

.product-grid {
  grid-template-columns: repeat(3, 1fr);
}

.product-card {
  background: var(--card);
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  transition: 0.25s;
}

.product-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
}

.product-media {
  min-height: 245px;
  background:
    radial-gradient(circle at 70% 20%, rgba(198, 255, 0, 0.55), transparent 24%),
    linear-gradient(135deg, #111827, #374151);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 88px;
  position: relative;
}

.badge {
  position: absolute;
  left: 18px;
  top: 18px;
  background: var(--neon);
  color: var(--bg);
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 1000;
  text-transform: uppercase;
}

.product-body {
  padding: 19px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.product-body h3 {
  font-size: 18px;
  line-height: 1.35;
  min-height: 48px;
  letter-spacing: -0.2px;
}

.rating {
  color: #f59e0b;
  margin: 10px 0 13px;
  font-size: 14px;
}

.price-line {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 16px;
}

.price-line strong {
  color: var(--orange);
  font-size: 20px;
}

.price-line span {
  color: var(--muted);
  text-decoration: line-through;
  font-size: 13px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.card-actions button {
  border: 0;
  border-radius: 16px;
  padding: 12px;
  font-weight: 1000;
}

.card-actions button:first-child {
  background: #f3f4f6;
}

.card-actions button:last-child {
  background: var(--bg);
  color: white;
}

.shop-header {
  min-height: 230px;
  border-radius: 32px;
  background:
    radial-gradient(circle at 80% 20%, rgba(198, 255, 0, 0.35), transparent 25%),
    linear-gradient(135deg, #111827, #030712);
  color: white;
  display: flex;
  align-items: center;
  padding: 42px;
  margin-bottom: 26px;
}

.shop-header.compact {
  min-height: 190px;
}

.shop-header h1 {
  font-size: 56px;
  letter-spacing: -3px;
  margin-bottom: 10px;
}

.shop-header p {
  color: #d1d5db;
  line-height: 1.7;
  max-width: 620px;
}

.shop-layout {
  display: grid;
  grid-template-columns: 285px 1fr;
  gap: 24px;
  align-items: start;
}

.filter-panel,
.cart-box,
.summary-box,
.form-card,
.checkout-form {
  background: white;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 24px;
}

.filter-panel {
  position: sticky;
  top: 98px;
}

.filter-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.filter-title button {
  background: #fff7ed;
  color: var(--orange);
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 900;
}

.filter-panel label,
.form-card label,
.checkout-form label {
  display: block;
  font-size: 13px;
  font-weight: 1000;
  margin: 17px 0 8px;
}

.filter-panel input,
.filter-panel select,
.form-card input,
.checkout-form input,
.checkout-form select,
.checkout-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 13px 14px;
  outline: 0;
  font-size: 15px;
}

.filter-panel input:focus,
.filter-panel select:focus,
.form-card input:focus,
.checkout-form input:focus,
.checkout-form select:focus,
.checkout-form textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 90, 31, 0.11);
}

.shop-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.shop-toolbar p {
  color: var(--muted);
  font-weight: 900;
}

.back-btn {
  background: var(--bg);
  color: white;
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  font-weight: 1000;
  margin-bottom: 22px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 24px;
}

.detail-media {
  background:
    radial-gradient(circle at 70% 20%, rgba(198, 255, 0, 0.5), transparent 24%),
    linear-gradient(135deg, #111827, #374151);
  color: white;
  min-height: 560px;
  border-radius: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 170px;
}

.detail-info {
  background: white;
  border: 1px solid var(--line);
  border-radius: 36px;
  padding: 34px;
}

.detail-info h1 {
  font-size: 46px;
  letter-spacing: -2px;
  line-height: 1;
  margin-bottom: 16px;
}

.detail-desc {
  color: var(--muted);
  line-height: 1.8;
  margin: 18px 0 24px;
}

.size-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 24px;
}

.size-btn {
  border: 1px solid var(--line);
  background: white;
  border-radius: 16px;
  min-width: 54px;
  padding: 12px 16px;
  font-weight: 1000;
}

.size-btn.active,
.size-btn:hover {
  background: var(--bg);
  color: white;
  border-color: var(--bg);
}

.cart-layout,
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  align-items: start;
}

.cart-item {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.cart-item:last-child {
  border-bottom: 0;
}

.cart-thumb {
  width: 92px;
  height: 92px;
  border-radius: 24px;
  background: #111827;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 44px;
}

.cart-item h3 {
  font-size: 17px;
  margin-bottom: 7px;
}

.cart-item p {
  color: var(--muted);
  font-size: 14px;
}

.qty-box {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: 11px;
}

.qty-box button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 12px;
  background: #f3f4f6;
  font-weight: 1000;
}

.qty-box button:hover {
  background: var(--neon);
}

.remove-btn {
  background: #fef2f2;
  color: var(--danger);
  border: 0;
  border-radius: 14px;
  padding: 11px 14px;
  font-weight: 1000;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  margin: 15px 0;
  gap: 14px;
}

.summary-line strong {
  color: var(--text);
}

.summary-line.total {
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 18px;
  color: var(--text);
  font-size: 19px;
  font-weight: 1000;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 54px 18px;
}

.empty-state div {
  font-size: 58px;
  margin-bottom: 12px;
}

.auth-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
}

.auth-banner {
  min-height: 620px;
  background:
    radial-gradient(circle at 80% 20%, rgba(198, 255, 0, 0.4), transparent 25%),
    linear-gradient(135deg, #030712, #111827);
  color: white;
  border-radius: 34px;
  padding: 46px;
  display: flex;
  flex-direction: column;
  justify-content: end;
}

.auth-banner h1 {
  font-size: 60px;
  line-height: 0.92;
  letter-spacing: -3px;
  margin-bottom: 18px;
}

.auth-banner p {
  color: #d1d5db;
  line-height: 1.8;
}

.auth-forms {
  display: grid;
  gap: 20px;
}

.form-card h2,
.checkout-form h2,
.cart-box h2,
.summary-box h2 {
  margin-bottom: 18px;
}

.form-card button,
.checkout-form button {
  margin-top: 20px;
}

.checkout-form textarea {
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.checkout-summary {
  position: sticky;
  top: 98px;
}

.site-footer {
  background: var(--bg);
  color: white;
  padding: 46px 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 26px;
}

.footer-brand {
  margin-bottom: 14px;
}

.site-footer p,
.site-footer a {
  display: block;
  color: #cbd5e1;
  line-height: 1.9;
  font-size: 14px;
}

.site-footer h3 {
  margin-bottom: 13px;
}

.site-footer a:hover {
  color: var(--neon);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: #111827;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow);
  padding: 15px 18px;
  border-radius: 18px;
  font-weight: 900;
  transform: translateY(25px);
  opacity: 0;
  pointer-events: none;
  transition: 0.25s;
  z-index: 3000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1050px) {
  .hero-grid,
  .detail-layout,
  .auth-layout,
  .cart-layout,
  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .shop-layout {
    grid-template-columns: 1fr;
  }

  .filter-panel,
  .checkout-summary {
    position: static;
  }

  /* Đã đổi .sport-grid thành .style-grid */
  .product-row,
  .style-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-product {
    padding-top: 0;
  }
}

@media (max-width: 760px) {
  .topbar-inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }
  .mobile-menu-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .brand {
    font-size: 19px;
  }

  .nav-menu {
    order: 10;
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.08);
    padding: 16px;
    border-radius: 22px;
  }

  .nav-menu.show {
    display: flex;
  }

  .topbar-actions {
    margin-left: auto;
  }

  .search-pill {
    display: none;
  }

  .hero-grid {
    min-height: auto;
  }

  .hero-copy {
    padding: 48px 26px;
  }

  .hero-copy h1 {
    letter-spacing: -2px;
  }

  .hero-product {
    padding: 0 24px 40px;
  }

  .mini-drop-card {
    display: none;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-head h2,
  .shop-header h1 {
    font-size: 36px;
    letter-spacing: -1.4px;
  }

  /* Đã đổi .sport-grid thành .style-grid để hiển thị 1 cột trên mobile */
  .style-grid,
  .product-row,
  .product-grid,
  .footer-grid,
  .form-row {
    grid-template-columns: 1fr;
  }

  .shop-header {
    padding: 30px 24px;
  }

  .detail-media {
    min-height: 340px;
    font-size: 120px;
  }

  .detail-info h1 {
    font-size: 34px;
  }

  .cart-item {
    grid-template-columns: 80px 1fr;
  }

  .remove-btn {
    grid-column: 1 / -1;
  }

  .auth-banner {
    min-height: 360px;
    padding: 30px;
  }

  .auth-banner h1 {
    font-size: 40px;
  }
}
  /* Style cho ảnh sản phẩm */
.product-img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Giúp ảnh phủ kín khung mà không bị méo */
  transition: transform 0.5s ease;
  display: block;
}
.product-card:hover .product-img {
  transform: scale(1.1); /* Hiệu ứng phóng to nhẹ khi hover */
}

.product-media {
  background: #f0f0f0; /* Màu nền nhẹ khi ảnh chưa kịp load */
  overflow: hidden; /* Cắt phần ảnh thừa khi zoom */
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Khung chứa ảnh trong trang chi tiết */
.detail-media-container {
  width: 100%;
  max-height: 550px; /* Giới hạn chiều cao tối đa */
  background: #f8f9fa;
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-media-box {
  height: 350px;
  background: #f8f9fa;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-img-render {
  max-width: 75%;
  max-height: 75%;
  width: auto;
  height: auto;
  object-fit: contain;
}

/* Chỉnh lại layout chi tiết cho cân đối */
.detail-layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr; /* Bên trái rộng hơn chút để hiện ảnh đẹp */
  gap: 50px;
  padding: 40px 0;
  align-items: start;
}

.price-line-detail {
  margin: 20px 0;
  display: flex;
  align-items: baseline;
  gap: 15px;
}

.price-line-detail .new-price {
  font-size: 32px;
  color: var(--text);
}

.price-line-detail .old-price {
  font-size: 20px;
  text-decoration: line-through;
  color: var(--muted);
}

.detail-description {
  color: #4b5563;
  line-height: 1.7;
  margin-bottom: 30px;
  font-size: 16px;
}

/* Mobile: Chuyển về 1 cột */
@media (max-width: 768px) {
  .detail-layout {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}
/* Khung chứa ảnh trong trang chi tiết */
.detail-media-box {
  width: 100%;
  height: 450px; /* Chiều cao cố định cho ảnh đỡ bị to quá */
  background: #f8f9fa;
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-img-render {
  width: 100%;
  height: 100%;
  object-fit: contain; /* Để hiện toàn bộ ảnh không bị mất góc */
  background: white;
}

.detail-icon-fallback {
  font-size: 150px;
}

.detail-desc {
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 25px;
}

/* Fix lỗi layout bị lệch */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 40px 0;
  align-items: start;
}

@media (max-width: 768px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .detail-media-box {
    height: 300px;
  }
}