/* =========================================================
   Aquabottle Việt Nam – Modern Luxury Redesign
   Màu thương hiệu & Thiết kế cao cấp 2026
   ========================================================= */

:root {
  --primary: #0e2920; /* Xanh lục bảo sang trọng (Deep British Emerald) */
  --primary-light: #163e31;
  --primary-lighter: #235444;
  --tint: #f3f7f5; /* Nền phụ dịu mắt cao cấp */
  --tint-card: #f9fbfb;
  --cta: #ff6433; /* Cam san hô rực rỡ, thu hút chuyển đổi */
  --nav-hover: #e53935;
  --cta-dark: #e55324;
  --gold: #f59e0b;
  --text: #111e19;
  --muted: #566861;
  --white: #ffffff;
  --border: #e3ede8;
  --border-light: rgba(14, 41, 32, 0.08);

  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --shadow-subtle: 0 4px 16px rgba(14, 41, 32, 0.04);
  --shadow: 0 10px 30px rgba(14, 41, 32, 0.07);
  --shadow-hover: 0 20px 44px rgba(14, 41, 32, 0.12);
  --shadow-glow: 0 10px 28px rgba(255, 100, 51, 0.4);

  --header-h: 72px;
  --font: "Be Vietnam Pro", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  color: var(--text);
  background: #f5f0e6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

h1,
h2,
h3,
h4 {
  line-height: 1.25;
  margin: 0;
  letter-spacing: -0.015em;
}

p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 3px solid var(--cta);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.container--narrow {
  max-width: 860px;
}
.center {
  text-align: center;
  margin-top: 40px;
}

/* =========================================================
   Buttons & Interactive Elements
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 26px;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font: 700 15px/1 var(--font);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0) scale(0.98);
}

.btn--cta {
  background: linear-gradient(135deg, #ff6433 0%, #f0521e 100%);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(255, 100, 51, 0.38);
}
.btn--cta:hover {
  background: linear-gradient(135deg, #ff7547 0%, #e24916 100%);
  box-shadow: 0 12px 30px rgba(255, 100, 51, 0.48);
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(14, 41, 32, 0.2);
}
.btn--primary:hover {
  background: var(--primary-light);
}

.btn--ghost {
  border-color: var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn--ghost:hover {
  background: var(--primary);
  color: var(--white);
}

.btn--outline-light {
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--white);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}
.btn--outline-light:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.26);
  color: var(--white);
}

.btn--lg {
  min-height: 56px;
  padding: 0 36px;
  font-size: 15.5px;
}
.btn--block {
  width: 100%;
}

/* =========================================================
   Header (Glassmorphism & Clean Navigation)
   ========================================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: #fbf2df;
  border-bottom: 1px solid rgba(14, 41, 32, 0.06);
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: relative;
}

.header__left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-order-btn {
  padding: 0 18px;
  min-height: 38px;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 12px rgba(242, 107, 58, 0.3);
  text-decoration: none;
  white-space: nowrap;
}
.header-order-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(242, 107, 58, 0.45);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 19px;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.logo:hover {
  opacity: 0.9;
}
.logo__text {
  font-size: 19px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.logo__mark {
  width: 15px;
  height: 25px;
  border-radius: 5px 5px 6px 6px;
  background: var(--primary);
  box-shadow: inset 0 6px 0 var(--cta);
}

/* =========================================================
   Category Menu (Màu Nền Rõ Ràng, Tương Phản Tốt, Cực Kỳ Dễ Nhìn)
   ========================================================= */
.dark-category-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 285px;
  background: #0e2920;
  background: linear-gradient(165deg, #13352a 0%, #0a2119 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  box-shadow:
    0 16px 40px rgba(0, 0, 0, 0.35),
    0 4px 14px rgba(14, 41, 32, 0.25);
  padding: 10px 0 14px;
  z-index: 10005;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
    visibility 0.22s ease;
  pointer-events: none;
}

.hamburger-dropdown-wrapper.is-open .dark-category-menu,
.dark-category-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

/* Các mục danh mục: Chữ trắng sắc nét, tương phản hoàn hảo trên nền tối */
.dark-category-item {
  display: block;
  text-align: center;
  color: #ffffff !important;
  font-size: 17px;
  font-weight: 700;
  padding: 16px 18px;
  text-decoration: none;
  line-height: 1.25;
  letter-spacing: -0.01em;
  transition: all 0.2s ease;
  user-select: none;
  font-family: inherit;
  border-radius: 10px;
  margin: 4px 10px;
  white-space: nowrap;
}
.dark-category-item:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ff9d76 !important;
  transform: translateY(-1px);
}
.dark-category-item:active {
  background: rgba(255, 255, 255, 0.22);
}

.dark-category-item.is-active {
  background: rgba(255, 255, 255, 0.15);
  color: #ff9d76 !important;
}

/* Mục Brand nổi bật nhẹ khi hover */
.dark-category-item--brand:hover {
  color: #ff9d76 !important;
}

@media (max-width: 768px) {
  .dark-category-menu {
    position: fixed;
    top: 64px;
    left: 12px;
    right: 12px;
    width: auto;
    max-width: 320px;
    margin: 0 auto;
    border-radius: 16px;
    background: #0e2920;
    background: linear-gradient(165deg, #13352a 0%, #0a2119 100%);
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.38);
  }
}

/* =========================================================
   Left Offcanvas Sidebar Menu (Nền Trong Suốt Kính Mờ - Nhìn Thấy Rõ Giao Diện Trang)
   ========================================================= */
body.sidebar-open {
  overflow: hidden !important;
}

.sidebar-overlay {
  display: none !important;
}

.sidebar-menu {
  display: none !important;
}

/* Sidebar Header */
.sidebar-header {
  height: 68px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(14, 18, 22, 0.25);
  flex-shrink: 0;
}
.sidebar-header .logo {
  color: #ffffff;
}
.sidebar-close {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}
.sidebar-close:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: rgba(239, 68, 68, 0.5);
  color: #ffffff;
  transform: rotate(90deg);
}

.dark-category-menu--sidebar {
  position: static !important;
  width: 100% !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  box-shadow: none !important;
  pointer-events: auto !important;
  background: transparent !important;
  border: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  padding: 10px 0 !important;
}

/* Sidebar Body */
.sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  background: transparent !important;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}
.sidebar-body::-webkit-scrollbar {
  width: 5px;
}
.sidebar-body::-webkit-scrollbar-thumb {
  background-color: #d1ded7;
  border-radius: 4px;
}

/* Sidebar User / Welcome Card */
.sidebar-user-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #edf6f2 0%, #e2efe9 100%);
  border: 1px solid #cce2d7;
  border-radius: 14px;
  margin-bottom: 22px;
}
.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(14, 41, 32, 0.15);
}
.sidebar-user-info {
  flex: 1;
  min-width: 0;
}
.sidebar-user-greeting {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-links {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar-user-links a {
  color: var(--cta);
  font-weight: 700;
  text-decoration: underline;
  transition: color 0.15s;
}
.sidebar-user-links a:hover {
  color: #c2410c;
}

/* Sidebar Sections */
.sidebar-section {
  margin-bottom: 24px;
}
.sidebar-section--featured {
  background: #fafcfb;
  border: 1.5px solid #dbeae2;
  border-radius: 16px;
  padding: 16px 14px;
  box-shadow: 0 4px 14px rgba(14, 41, 32, 0.04);
}
.sidebar-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid #edf3ef;
}
.sidebar-section-title h3 {
  font-size: 13.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin: 0;
}
.sidebar-section-badge {
  font-size: 10px;
  font-weight: 800;
  background: var(--cta);
  color: #ffffff;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Sidebar Main About Button */
.sidebar-main-about-btn {
  display: block;
  background: linear-gradient(135deg, #172b25 0%, #0e2920 100%);
  color: #ffffff !important;
  padding: 14px 16px;
  border-radius: 14px;
  text-decoration: none;
  margin-bottom: 12px;
  box-shadow: 0 4px 14px rgba(14, 41, 32, 0.15);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}
.sidebar-main-about-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(14, 41, 32, 0.25);
  color: #ffffff !important;
}
.sidebar-main-about-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  color: #ff9d76;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.sidebar-main-about-info h4 {
  font-size: 14px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 3px;
}
.sidebar-main-about-info p {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.35;
  margin-bottom: 6px;
}
.sidebar-main-about-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--cta);
  transition:
    transform 0.2s,
    color 0.2s;
}
.sidebar-main-about-btn:hover .sidebar-main-about-arrow {
  color: #ff9d76;
  transform: translateX(3px);
}

/* Sidebar Nav Lists */
.sidebar-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.sidebar-link:hover {
  background: #edf6f2;
  color: var(--primary);
  transform: translateX(4px);
}
.sidebar-link.is-active {
  background: #edf6f2;
  color: var(--primary);
  font-weight: 700;
}
.sidebar-link-icon {
  font-size: 18px;
  width: 24px;
  display: inline-flex;
  justify-content: center;
  flex-shrink: 0;
}
.sidebar-link-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.sidebar-link-text strong {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.25;
}
.sidebar-link-text small {
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 400;
  line-height: 1.35;
}
.sidebar-link-arrow {
  color: #94a3b8;
  font-size: 14px;
  font-weight: 700;
  transition:
    transform 0.2s,
    color 0.2s;
  flex-shrink: 0;
}
.sidebar-link:hover .sidebar-link-arrow {
  color: var(--cta);
  transform: translateX(3px);
}
.sidebar-link--highlight {
  background: rgba(15, 118, 110, 0.08);
  border: 1px solid rgba(15, 118, 110, 0.2);
}
.sidebar-link--highlight:hover {
  background: rgba(15, 118, 110, 0.14);
}
.sidebar-tag {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--cta);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: auto;
}

/* Sidebar Promo Box (Kính mờ trong) */
.sidebar-promo-box {
  background: rgba(255, 247, 237, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(254, 215, 170, 0.5);
  border-radius: 14px;
  padding: 16px;
  margin: 12px 14px 16px;
}
.promo-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  color: #fff;
  background: var(--cta);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 2px 8px;
  border-radius: 999px;
  margin-bottom: 6px;
}
.sidebar-promo-box h4 {
  font-size: 14px;
  font-weight: 800;
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  margin-bottom: 4px;
}
.sidebar-promo-box p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
  line-height: 1.4;
  margin-bottom: 12px;
}
.sidebar-promo-btn {
  display: inline-block;
  padding: 6px 16px !important;
  font-size: 12.5px !important;
  min-height: 32px !important;
}

/* Sidebar Contact Box (Kính mờ trong) */
.sidebar-contact-box {
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  font-size: 12.5px;
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  line-height: 1.5;
  margin: 0 14px 16px;
}
.sidebar-contact-box p strong,
.sidebar-contact-box a {
  color: #ffffff !important;
  font-weight: 700;
  text-decoration: underline;
}
.sidebar-contact-box a:hover {
  color: #ff9d76 !important;
}
.sidebar-contact-note {
  font-size: 11px;
  color: #34d399 !important;
  font-weight: 700;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
  margin-top: 4px;
}

/* Sidebar Footer (Kính mờ đồng nhất) */
.sidebar-footer {
  padding: 14px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(14, 18, 22, 0.35);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}
.sidebar-socials {
  display: flex;
  gap: 8px;
}
.sidebar-socials a {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  text-decoration: none;
  transition: all 0.2s;
}
.sidebar-socials a:hover {
  background: var(--cta);
  color: #ffffff;
}

/* =========================================================
   Responsive Header & Navigation (Màn hình < 1024px)
   Hiển thị thanh menu chuẩn thiết kế chữ đậm + gạch chân cam trang hiện tại
   ========================================================= */
@media (max-width: 1023px) {
  .header {
    height: auto !important;
    padding: 8px 0 10px !important;
  }
  .header__inner {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important;
    height: auto !important;
  }
  .header__left {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
  }
  .nav {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 14px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    position: static !important;
    padding: 4px 6px 8px !important;
    background: transparent !important;
    box-shadow: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    width: 100% !important;
    margin: 0 !important;
  }
  .nav::-webkit-scrollbar {
    display: none !important;
  }
  .nav a:not(.btn) {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 6px 0 !important;
    font-size: 13.5px !important;
    font-weight: 700 !important;
    color: #121e19 !important;
    background: transparent !important;
    border: none !important;
    white-space: nowrap !important;
    text-decoration: none !important;
    position: relative !important;
    transition: color 0.2s ease !important;
    flex-shrink: 0 !important;
    letter-spacing: -0.01em !important;
  }
  .nav a:not(.btn):hover {
    color: var(--nav-hover) !important;
  }
  .nav a.is-active:not(.btn) {
    color: #121e19 !important;
    font-weight: 700 !important;
  }
}

@media (min-width: 1024px) {
  .header__inner {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 24px !important;
  }
  .header__left {
    flex-shrink: 0 !important;
  }
  .header__inner > .nav {
    position: static !important;
    transform: none !important;
    margin-left: auto !important;
    display: flex !important;
    align-items: center !important;
    gap: clamp(16px, 2.2vw, 28px) !important;
  }
}

@media (max-width: 480px) {
  .hamburger-text {
    font-size: 12px;
  }
  .hamburger-btn {
    padding: 5px 9px;
    gap: 7px;
  }
  .nav {
    gap: 10px !important;
  }
  .nav a:not(.btn) {
    font-size: 12px !important;
  }
}

/* =========================================================
   Sections & Typography
   ========================================================= */
.section {
  padding: 44px 0;
}
.section--tint {
  background: var(--tint);
}

.logo__image {
  display: block;
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.header--logo-large {
  height: 72px;
}

.title {
  font-size: clamp(26px, 4.2vw, 38px);
  font-weight: 800;
  text-align: center;
  color: var(--primary);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.title--left {
  text-align: left;
}

.section-header {
  max-width: 720px;
  margin: 0 auto 32px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0f766e;
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.08),
    rgba(15, 118, 110, 0.16)
  );
  padding: 6px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(15, 118, 110, 0.22);
  margin-bottom: 14px;
}
.section-subtitle {
  font-size: 16.5px;
  color: var(--muted);
  line-height: 1.65;
  margin-top: 12px;
}
.home-page {
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}
.home-page .title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0;
}
.home-page .section-subtitle {
  font-size: 16px;
  line-height: 1.5;
}

.grid {
  display: grid;
  gap: 20px;
}

.checks {
  display: grid;
  gap: 12px;
  margin: 20px 0 28px;
}
.checks li {
  position: relative;
  padding-left: 34px;
  font-weight: 500;
  color: var(--text);
}
.checks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 2px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 2px 6px rgba(15, 118, 110, 0.3);
}

/* =========================================================
   Product Banner Hero (Flagship Redesign)
   ========================================================= */
.hero-banner-section {
  padding: 24px 0 44px;
  background: linear-gradient(180deg, #ffffff 0%, var(--tint) 100%);
}

.banner-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 44px rgba(14, 41, 32, 0.16);
  background: #091a14;
}

.banner-slider {
  position: relative;
  width: 100%;
  min-height: 520px;
}
@media (min-width: 768px) {
  .banner-slider {
    min-height: 560px;
  }
}
@media (min-width: 1024px) {
  .banner-slider {
    min-height: 600px;
  }
}

.image-banner {
  padding: 16px 0 30px;
}
.image-banner .banner-container {
  background: #f7f4ec;
}
.image-banner .banner-slider {
  min-height: 0;
  aspect-ratio: 16 / 8;
}
.image-banner .banner-bg-img {
  object-position: center;
  transform: none;
  transition: none;
}
.image-banner .banner-slide.is-active .banner-bg-img {
  transform: none;
}
.image-banner .banner-overlay {
  display: none;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.8s;
  display: flex;
  align-items: center;
  z-index: 1;
}
.banner-slide.is-active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

.banner-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  transform: scale(1.02);
  transition: transform 6s ease-out;
}
.banner-slide.is-active .banner-bg-img {
  transform: scale(1);
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(9, 26, 20, 0.96) 0%,
    rgba(9, 26, 20, 0.86) 46%,
    rgba(9, 26, 20, 0.18) 100%
  );
  z-index: 1;
}

@media (max-width: 767px) {
  .banner-bg-img {
    object-position: center 20%;
  }
  .banner-overlay {
    background: linear-gradient(
      180deg,
      rgba(9, 26, 20, 0.25) 0%,
      rgba(9, 26, 20, 0.86) 38%,
      rgba(9, 26, 20, 0.98) 100%
    );
  }
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 600px;
  padding: 44px 24px;
  color: var(--white);
}
@media (min-width: 768px) {
  .banner-content {
    padding: 60px 52px;
  }
}

.banner-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 100, 51, 0.22);
  border: 1px solid rgba(255, 100, 51, 0.55);
  color: #ff9d76;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}
.banner-badge--green {
  background: rgba(16, 185, 129, 0.22);
  border-color: rgba(16, 185, 129, 0.55);
  color: #6ee7b7;
}
.banner-badge--blue {
  background: rgba(59, 130, 246, 0.22);
  border-color: rgba(59, 130, 246, 0.55);
  color: #93c5fd;
}

.banner-title {
  font-size: clamp(30px, 5.2vw, 50px);
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.015em;
  text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5);
}
.banner-title span {
  color: var(--cta);
}

.banner-desc {
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  max-width: 520px;
}

.banner-features-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 26px;
}
.banner-feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: #ffffff;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}
.banner-feature-tag span {
  color: var(--cta);
  font-weight: 800;
}

.banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Banner Controls */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  z-index: 10;
  transition: all 0.25s ease;
}
.banner-arrow:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-50%) scale(1.08);
}
.banner-arrow--prev {
  left: 16px;
}
.banner-arrow--next {
  right: 16px;
}

@media (max-width: 600px) {
  .banner-arrow {
    display: none;
  }
}

.image-banner .banner-arrow {
  display: flex;
}
@media (max-width: 600px) {
  .image-banner .banner-arrow {
    width: 38px;
    height: 38px;
  }
}

.banner-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.banner-dot {
  width: 28px;
  height: 5px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.35);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}
.banner-dot.is-active {
  width: 46px;
  background: var(--cta);
  box-shadow: 0 0 12px rgba(255, 100, 51, 0.7);
}

/* Trust Bar */
.banner-trust-bar {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
  background: var(--white);
  padding: 22px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
@media (min-width: 900px) {
  .banner-trust-bar {
    grid-template-columns: repeat(4, 1fr);
  }
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}
.trust-item-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #edf6f2;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
}
.trust-item-text h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 2px;
}
.trust-item-text p {
  font-size: 12px;
  color: var(--muted);
}

/* =========================================================
   Pain Point Cards (Vấn đề thực tế)
   ========================================================= */
.pain-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow-subtle);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  text-align: left;
  position: relative;
  overflow: hidden;
}
.pain-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #f87171, #ef4444);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.pain-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #fca5a5;
}
.pain-card:hover::before {
  opacity: 1;
}

.pain-icon-wrap {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  color: #dc2626;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  flex-shrink: 0;
}
.pain-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.35;
  margin-bottom: 10px;
}
.pain-card p {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--muted);
}

.pain-conclusion {
  margin-top: 20px;
  padding: 16px 24px;
  background: linear-gradient(135deg, #e6f7f3 0%, #dcf4ef 100%);
  border-radius: 14px;
  border-left: 4px solid #0f766e;
  text-align: center;
}
.conclusion-text {
  font-size: 15.5px;
  color: var(--primary);
  font-weight: 600;
}

/* =========================================================
   Split Section (Giải pháp)
   ========================================================= */
.split {
  display: grid;
  gap: 40px;
  align-items: center;
}
.split__img {
  border-radius: var(--radius-lg);
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow-hover);
}

/* =========================================================
   Product Showcase & Tech Specs
   ========================================================= */
.product {
  display: grid;
  gap: 36px;
}
.gallery__main {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.gallery__main img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition:
    opacity 0.25s,
    transform 0.4s ease;
}
.gallery__main:hover img {
  transform: scale(1.03);
}
.gallery__main img.is-fading {
  opacity: 0;
}
.gallery__thumbs {
  display: flex;
  gap: 12px;
  margin-top: 14px;
  overflow-x: auto;
}
.thumb {
  flex: 0 0 76px;
  height: 76px;
  padding: 0;
  border: 2px solid transparent;
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  opacity: 0.65;
  transition: all 0.2s;
  box-shadow: var(--shadow-subtle);
}
.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb.is-active,
.thumb:hover {
  opacity: 1;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.specs {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  align-self: start;
}
.specs h3 {
  font-size: 13.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #0f766e;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1.5px solid var(--tint);
}
.specs dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0;
  margin: 0 0 26px;
}
.specs dt,
.specs dd {
  padding: 13px 0;
  border-bottom: 1px solid #eef3f0;
  margin: 0;
  font-size: 14.5px;
}
.specs dt {
  color: var(--muted);
  font-weight: 500;
  padding-right: 20px;
}
.specs dd {
  font-weight: 700;
  color: var(--primary);
  text-align: right;
}

/* =========================================================
   USP Cards (Điểm nổi bật)
   ========================================================= */
.usp-grid {
  gap: 24px;
}
.usp-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 26px;
  box-shadow: var(--shadow-subtle);
  position: relative;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  text-align: left;
}
.usp-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #14b8a6;
}
.usp-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #0f766e, #2dd4bf);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
  margin-bottom: 14px;
}
.usp-title {
  font-size: 1.22rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
  line-height: 1.35;
}
.usp-desc {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

/* =========================================================
   Thermal Performance (Hiệu quả cách nhiệt)
   ========================================================= */
.thermal-grid {
  gap: 24px;
}
.thermal-card {
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  text-align: left;
  transition: all 0.3s ease;
  border: 1.5px solid transparent;
}
.thermal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.thermal-hot {
  background: linear-gradient(145deg, #ffffff 0%, #fff7f3 100%);
  border-color: #fed7aa;
}
.thermal-cold {
  background: linear-gradient(145deg, #ffffff 0%, #f0fdfa 100%);
  border-color: #bae6fd;
}

.thermal-icon-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 700;
  width: fit-content;
  margin-bottom: 20px;
}
.hot-pill {
  background: #ffedd5;
  color: #c2410c;
}
.cold-pill {
  background: #e0f2fe;
  color: #0369a1;
}

.thermal-card-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
}
.thermal-card-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 22px;
}
.thermal-metric {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.metric-label {
  font-size: 13.5px;
  color: var(--muted);
}
.metric-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
}
.thermal-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  font-weight: 500;
}

.thermal-disclaimer {
  margin-top: 18px;
  text-align: center;
}
.thermal-disclaimer .small-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}

/* =========================================================
   Lifestyle Cards (Đồng hành mọi lúc)
   ========================================================= */
.lifestyle-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-subtle);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  text-align: left;
}
.lifestyle-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #cbd5e1;
}
.lifestyle-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 789 / 986;
  overflow: hidden;
}
.lifestyle-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.lifestyle-card:hover .lifestyle-img-wrap img {
  transform: none;
}
.lifestyle-category-icon {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  z-index: 2;
}
.lifestyle-body {
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.lifestyle-title {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--primary);
  letter-spacing: 0.03em;
}
.lifestyle-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* =========================================================
   Comparison Table (Bảng so sánh chất lượng)
   ========================================================= */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--white);
  border: 1px solid var(--border);
}
.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  font-size: 15px;
  min-width: 640px;
}
.compare th,
.compare td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.compare thead th {
  background: #f7faf8;
  font-size: 13.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
}
.compare thead th.th--brand {
  background: #eef6f2;
  color: var(--primary);
  font-weight: 800;
}
.compare td {
  color: var(--muted);
}
.compare td.td--brand {
  background: rgba(14, 41, 32, 0.025);
  color: var(--text);
  font-weight: 600;
}
.compare tbody th {
  font-weight: 700;
  color: var(--primary);
}
.brand-badge-col {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  color: var(--primary);
}
.sub-badge {
  font-size: 11px;
  font-weight: 800;
  background: var(--primary);
  color: var(--white);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}
.status-cross {
  color: #dc2626;
  font-weight: 800;
  margin-right: 8px;
}
.status-check {
  color: #0f766e;
  font-weight: 800;
  margin-right: 8px;
}

/* =========================================================
   Reviews Section (Đánh giá khách hàng)
   ========================================================= */
.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  transition: all 0.3s ease;
}
.review-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}
.review-stars {
  color: var(--gold);
  font-size: 1.3rem;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}
.review-quote {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  font-style: italic;
  margin-bottom: 24px;
}
.reviewer-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}
.reviewer-avatar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-lighter) 100%
  );
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(14, 41, 32, 0.2);
}
.reviewer-name {
  font-size: 16px;
  font-weight: 750;
  color: var(--primary);
  margin-bottom: 2px;
}
.reviewer-role {
  font-size: 13px;
  color: var(--muted);
}

/* =========================================================
   Final CTA Banner
   ========================================================= */
.final {
  padding: 80px 0;
  text-align: center;
  background: radial-gradient(circle at center, #1b493c 0%, #0d271e 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.final h2 {
  font-size: clamp(26px, 4.5vw, 38px);
  font-weight: 800;
  color: var(--white);
  max-width: 760px;
  margin: 0 auto 14px;
}
.final p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 17px;
  margin-bottom: 32px;
}

/* =========================================================
   Footer (Obsidian Luxury Dark)
   ========================================================= */
.footer {
  background: #091a14;
  color: rgba(255, 255, 255, 0.78);
  padding: 56px 0 96px;
  font-size: 14.5px;
}
.footer__inner {
  display: grid;
  gap: 32px;
}
.footer__brand {
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}
.footer strong {
  color: var(--white);
}
.footer ul {
  display: grid;
  gap: 10px;
}
.footer a {
  transition: color 0.2s;
}
.footer a:hover {
  color: var(--white);
}
.footer__copy {
  text-align: center;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  opacity: 0.6;
}
.footer__note {
  max-width: 1100px;
  margin: 12px auto 0;
  padding: 0 24px;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
  opacity: 0.6;
}

/* =========================================================
   Floating CTA & Back to Top
   ========================================================= */
.float-cta {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 90;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #ff6433 0%, #f0521e 100%);
  color: var(--white);
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 10px 28px rgba(255, 100, 51, 0.45);
  transform: translateY(120%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.float-cta.is-visible {
  transform: none;
}

.to-top {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
}
.to-top:hover {
  background: var(--cta);
  transform: translateY(-3px);
}

/* =========================================================
   Base Form Fields & Utility Classes
   ========================================================= */
.field {
  margin-bottom: 16px;
}
.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 1.5px solid #d6ddd9;
  border-radius: 10px;
  font: 15px var(--font);
  color: var(--text);
  background: var(--white);
  box-sizing: border-box;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}
.field textarea {
  resize: vertical;
  min-height: 72px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(31, 61, 52, 0.12);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: #c62828;
}
.error {
  display: block;
  min-height: 0;
  color: #c62828;
  font-size: 13px;
  margin-top: 4px;
}
.error:empty {
  display: none;
}
.field-row {
  display: grid;
  gap: 0 16px;
}
@media (min-width: 600px) {
  .field-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* =========================================================
   Scroll Reveal Animations
   ========================================================= */
.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.js .reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

/* =========================================================
   Responsive Breakpoints
   ========================================================= */
@media (min-width: 640px) {
  .grid--2,
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .section {
    padding: 54px 0;
  }
  .container {
    padding: 0 28px;
  }
  .product {
    grid-template-columns: 1.15fr 1fr;
    align-items: start;
  }
  .split {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
  .footer__inner {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
  .footer {
    padding-bottom: 48px;
  }
  .float-cta {
    display: none;
  }
  .to-top {
    bottom: 24px;
  }
}

@media (max-width: 767px) {
  .field input,
  .field select,
  .field textarea {
    font-size: 16px !important;
  }
}

@media (min-width: 1024px) {
  .burger {
    display: none;
  }
  .nav {
    position: static;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 28px;
    padding: 0;
    background: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .nav a:not(.btn) {
    display: inline-flex;
    align-items: center;
    padding: 6px 0;
    border: 0;
    font-size: 15px;
    font-weight: 700;
    color: #121e19;
    text-decoration: none;
    position: relative;
    letter-spacing: -0.01em;
    line-height: 1;
    white-space: nowrap;
    transition: color 0.2s ease;
  }
  .nav a:not(.btn):hover {
    color: var(--nav-hover);
  }
  .nav a.is-active:not(.btn) {
    color: #121e19 !important;
    font-weight: 700;
  }
  .nav__cta {
    margin: 0;
    min-height: 44px;
    padding: 0 22px;
  }

  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
  .split {
    grid-template-columns: 1.1fr 1fr;
    gap: 64px;
  }
}

.nav a.is-active:not(.btn):hover {
  color: var(--nav-hover) !important;
}

.header .nav a:not(.btn):hover {
  color: #e53935 !important;
}

.product-page .nav {
  overflow: visible;
}
.product-nav-item {
  position: relative;
  flex-shrink: 0;
}
.product-nav-item > summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #121e19;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  list-style: none;
  white-space: nowrap;
  line-height: 1;
}
.product-nav-item > summary::-webkit-details-marker {
  display: none;
}
.product-nav-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  z-index: 200;
  display: grid;
  min-width: 220px;
  padding: 6px;
  border: 1px solid #e5e5e5;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 28px rgba(14, 41, 32, 0.14);
  transform: translateX(-50%);
}
.product-nav-menu button {
  padding: 10px 12px;
  border: 0;
  border-radius: 5px;
  background: transparent;
  color: #222;
  cursor: pointer;
  font: 500 14px/1.4 var(--font);
  text-align: left;
  white-space: nowrap;
}
.product-nav-menu button:hover,
.product-nav-menu button.is-selected {
  background: #f5f0e6;
  color: var(--primary);
}
.product-card[hidden] {
  display: none;
}

@media (max-width: 1023px) {
  .product-page .nav {
    flex-wrap: wrap !important;
    overflow: visible !important;
  }
  .product-nav-item > summary {
    font-size: 15.5px;
  }
}

@media (max-width: 480px) {
  .product-nav-item > summary {
    font-size: 14.5px;
  }
}