/* ==========================================================================
   1. VARIABLES & BASE STYLES
   ========================================================================== */
   :root {
    --navy: #102a43;
    --navy-deep: #091b2d;
    --green: #b8ed69;
    --green-dark: #247447;
    --text: #1c2c3b;
    --muted: #687989;
    --surface: #f5f8fa;
    --border: #e1e8ed;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
  }
  
  body {
    margin: 0;
    color: var(--text);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.6;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  button,
  input,
  select,
  textarea {
    font: inherit;
  }
  
  .highlight {
    background: linear-gradient(90deg, #f59e0b, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
  }
  
  /* ==========================================================================
     2. HEADER & NAVBAR
     ========================================================================== */
  .navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    min-height: 72px;
    padding: 12px 8%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(225, 232, 237, 0.8);
    box-shadow: 0 4px 20px rgba(16, 42, 67, 0.03);
    transition: all 0.3s ease;
  }
  
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 850;
    font-size: 19px;
    letter-spacing: -0.5px;
    color: var(--navy);
    transition: transform 0.2s ease;
  }
  
  .brand:hover {
    transform: translateY(-1px);
  }
  
  .brand-mark {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    color: var(--navy-deep);
    background: var(--green);
    border-radius: 12px;
    font-size: 16px;
    font-weight: 900;
    box-shadow: 0 4px 12px rgba(184, 237, 105, 0.4);
  }
  
  .brand-logo-img,
  .site-logo img {
    height: 42px;
    width: auto;
    max-width: 150px;
    object-fit: contain;
    transition: transform 0.2s ease;
  }
  
  .brand:hover .brand-logo-img {
    transform: scale(1.04);
  }
  
  .brand-name {
    color: var(--navy);
    font-size: 20px;
    font-weight: 850;
  }
  
  .brand-light {
    font-weight: 400;
    color: var(--muted);
  }
  
  .navbar .nav-links,
  .navbar nav {
    display: flex;
    align-items: center;
    gap: 32px;
    font-size: 15px;
    font-weight: 600;
    color: #4a5d6e;
  }
  
  .navbar .nav-links a,
  .navbar nav a {
    position: relative;
    padding: 6px 0;
    transition: color 0.2s ease;
  }
  
  .navbar .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--green-dark);
    border-radius: 2px;
    transition: width 0.25s ease;
  }
  
  .navbar .nav-links a:hover,
  .navbar nav a:hover {
    color: var(--green-dark);
  }
  
  .navbar .nav-links a:hover::after {
    width: 100%;
  }
  
  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 18px;
    background: var(--navy);
    color: #ffffff;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(16, 42, 67, 0.15);
  }
  
  .nav-cta:hover {
    background: var(--green-dark);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(36, 116, 71, 0.25);
  }
  
  /* ==========================================================================
     3. HERO SECTION & DASHBOARD CARD
     ========================================================================== */
  .hero {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 48px;
    min-height: 560px;
    padding: 72px 8%;
    color: white;
    background:
      radial-gradient(ellipse at 80% 30%, #234a55 0%, transparent 43%),
      linear-gradient(120deg, var(--navy-deep), var(--navy));
    overflow: hidden;
  }
  
  .eyebrow {
    display: inline-block;
    margin-bottom: 16px;
    color: var(--green-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.6px;
  }
  
  .hero .eyebrow {
    color: var(--green);
  }
  
  .hero h1 {
    margin: 0;
    font-size: clamp(36px, 4.4vw, 58px);
    line-height: 1.12;
    letter-spacing: -2px;
  }
  
  .hero h1 span {
    color: var(--green);
  }
  
  .hero-description {
    max-width: 490px;
    margin: 24px 0;
    color: #c6d5df;
    font-size: 16px;
  }
  
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 48px;
    padding: 12px 18px;
    border: 0;
    border-radius: 8px;
    font-weight: 750;
    cursor: pointer;
    transition: transform 160ms ease, opacity 160ms ease;
  }
  
  .button:hover {
    transform: translateY(-2px);
  }
  
  .button-primary {
    color: var(--navy-deep);
    background: var(--green);
  }
  
  .button-secondary {
    color: white;
    border: 1px solid #5a7185;
  }
  
  .trust-note {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 26px;
    color: #c6d5df;
    font-size: 12px;
  }
  
  .trust-dot,
  .inverter-status {
    width: 8px;
    height: 8px;
    display: inline-block;
    border-radius: 50%;
    background: var(--green);
  }
  
  .hero-visual {
    position: relative;
    min-height: 370px;
    display: grid;
    place-items: center;
    isolation: isolate;
  }
  
  .solar-hero-card {
    position: relative;
    width: min(360px, 90%);
    padding: 24px;
    background: rgba(9, 27, 45, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: #ffffff;
    overflow: hidden;
    transform: rotate(-1deg);
    transition: transform 0.3s ease;
  }
  
  .solar-hero-card:hover {
    transform: rotate(0deg) scale(1.02);
  }
  
  .glow-bg {
    position: absolute;
    top: -20%;
    right: -20%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, var(--green) 0%, transparent 70%);
    filter: blur(45px);
    opacity: 0.25;
    pointer-events: none;
  }
  
  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
  }
  
  .status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(184, 237, 105, 0.12);
    color: var(--green);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(184, 237, 105, 0.2);
  }
  
  .pulse-dot {
    width: 8px;
    height: 8px;
    background-color: var(--green);
    border-radius: 50%;
    box-shadow: 0 0 0 0 rgba(184, 237, 105, 0.7);
    animation: pulse-green 1.8s infinite;
  }
  
  @keyframes pulse-green {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(184, 237, 105, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(184, 237, 105, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(184, 237, 105, 0); }
  }
  
  .brand-tag {
    font-size: 10px;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 800;
  }
  
  .energy-metric .label {
    font-size: 12px;
    color: #9fb3c8;
  }
  
  .energy-metric .value-group {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin-top: 2px;
  }
  
  .energy-metric .value {
    font-size: 38px;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -1px;
  }
  
  .energy-metric .unit {
    font-size: 16px;
    color: var(--green);
    font-weight: 700;
  }
  
  .chart-container {
    width: 100%;
    height: 85px;
    margin: 8px 0;
  }
  
  .chart-container svg {
    width: 100%;
    height: 100%;
  }
  
  .info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 12px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .info-item {
    display: flex;
    flex-direction: column;
  }
  
  .info-title {
    font-size: 11px;
    color: #9fb3c8;
  }
  
  .info-val {
    font-size: 16px;
    font-weight: 700;
    color: #ffffff;
    margin-top: 2px;
  }
  
  /* ==========================================================================
     4. PRODUCT SECTION (TỐI ƯU HIỂN THỊ ĐỒNG ĐỀU, TO)
     ========================================================================== */
  .section {
    padding: 88px 8%;
  }
  
  .section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 32px;
  }
  
  .section-heading h2,
  .benefit-intro h2,
  .contact-copy h2 {
    margin: 0;
    font-size: clamp(27px, 3vw, 39px);
    line-height: 1.2;
    letter-spacing: -1px;
  }
  
  .section-heading > p {
    max-width: 350px;
    margin: 0;
    color: var(--muted);
    font-size: 14px;
  }
  
  .product-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  
  .product-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: #ffffff;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
                border-color 0.3s ease;
  }
  
  .product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(36, 116, 71, 0.3);
    box-shadow: 0 16px 36px rgba(16, 42, 67, 0.08);
  }
  
  /* Khung ảnh đồng chuẩn chiều cao */
  .product-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 260px;
    padding: 12px;
    background: #ffffff;
    overflow: hidden;
  }
  
  /* Ảnh sản phẩm hiển thị to và đồng nhất */
  .product-photo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: scale(1.22);
    transition: transform 0.35s ease;
  }
  
  .product-card:hover .product-photo {
    transform: scale(1.3);
  }
  
  .product-category {
    color: var(--green-dark);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
  }
  
  .product-info {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 22px;
  }
  
  .product-info h3 {
    margin: 8px 0 12px;
    font-size: 17px;
    font-weight: 750;
    line-height: 1.4;
    color: var(--navy);
    min-height: 48px;
  }
  
  .product-info p {
    min-height: 68px;
    margin: 0 0 18px;
    color: var(--muted);
    font-size: 13.5px;
    white-space: pre-line;
  }
  
  .product-price {
    margin: -8px 0 16px;
    color: var(--navy);
    font-size: 15px;
    font-weight: 800;
  }
  
  .product-info a {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 9px;
    color: var(--navy);
    background: var(--surface);
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.25s ease;
  }
  
  .product-card:hover .product-info a {
    background: var(--navy);
    color: #ffffff;
    border-color: var(--navy);
    box-shadow: 0 4px 12px rgba(16, 42, 67, 0.15);
  }
  
  /* ==========================================================================
     5. BENEFITS SECTION
     ========================================================================== */
  .benefits {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: center;
    padding: 88px 8%;
    background: var(--surface);
  }
  
  .benefit-intro p {
    max-width: 420px;
    color: var(--muted);
    font-size: 14px;
  }
  
  .benefit-list {
    display: grid;
    gap: 18px;
  }
  
  .benefit-card {
    padding: 24px 28px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(16, 42, 67, 0.04);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  }
  
  .benefit-card:hover {
    transform: translateY(-3px);
    border-color: var(--green-dark);
    box-shadow: 0 12px 30px rgba(16, 42, 67, 0.08);
  }
  
  .benefit-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
  }
  
  .benefit-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: #edf8e6;
    color: var(--green-dark);
    font-size: 13px;
    font-weight: 800;
    border-radius: 10px;
  }
  
  .benefit-icon {
    font-size: 20px;
    opacity: 0.8;
  }
  
  .benefit-card h3 {
    margin: 0 0 6px 0;
    font-size: 18px;
    font-weight: 750;
    color: var(--navy);
  }
  
  .benefit-card p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
  }
  
  /* ==========================================================================
     6. CONTACT & FORM SECTION
     ========================================================================== */
  .contact-section {
    display: grid;
    grid-template-columns: 1fr 0.85fr;
    gap: 70px;
    padding: 88px 8%;
    background: white;
  }
  
  .contact-copy {
    align-self: center;
  }
  
  .contact-copy > p {
    max-width: 420px;
    color: var(--muted);
    font-size: 14px;
  }
  
  .contact-highlights {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
  }
  
  .highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .highlight-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
    color: var(--green-dark);
    background: #edf8e6;
    border: 1px solid #dceccf;
    padding: 0.5rem;
    border-radius: 8px;
    line-height: 1;
  }
  
  .highlight-item strong {
    display: block;
    font-size: 0.95rem;
    color: var(--navy);
    margin-bottom: 0.25rem;
  }
  
  .highlight-item p {
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0;
    line-height: 1.4;
  }
  
  .lead-form {
    width: 100%;
    max-width: 520px;
    justify-self: end;
    padding: 36px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 18px 50px rgba(16, 42, 67, 0.08);
  }
  
  .lead-form h3 {
    margin: 0;
    font-size: 26px;
    line-height: 1.3;
  }
  
  .form-subtitle,
  .privacy-note {
    color: var(--muted);
    font-size: 12px;
  }
  
  .lead-form label {
    display: block;
    margin: 17px 0 7px;
    font-size: 12px;
    font-weight: 750;
  }
  
  .lead-form input,
  .lead-form textarea,
  .lead-form select {
    display: block;
    width: 100%;
    min-height: 46px;
    padding: 12px 14px;
    color: var(--text);
    background: #fbfcfd;
    border: 1px solid #d8e1e7;
    border-radius: 9px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
  }
  
  .lead-form textarea {
    min-height: 100px;
    resize: vertical;
  }
  
  .lead-form input:focus,
  .lead-form textarea:focus,
  .lead-form select:focus {
    outline: none;
    border-color: var(--green-dark);
    box-shadow: 0 0 0 3px rgba(36, 116, 71, 0.12);
  }
  
  .lead-form .form-submit {
    width: 100%;
    margin-top: 23px;
    min-height: 52px;
    border-radius: 10px;
    font-size: 15px;
    transition: transform 0.2s, box-shadow 0.2s;
  }
  
  .lead-form .form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(36, 116, 71, 0.16);
  }
  
  .privacy-note {
    margin-bottom: 0;
    line-height: 1.6;
  }
  
  /* ==========================================================================
     7. FOOTER & FLOATING WIDGETS
     ========================================================================== */
  .site-footer {
    margin-top: 48px;
    padding: 40px 24px 0;
    background: #102b25;
    color: #f4f7f5;
  }
  
  .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 32px;
  }
  
  .footer-logo__image {
    display: block;
    width: auto;
    height: 52px;
    max-width: 190px;
    object-fit: contain;
  }
  
  .footer-container h3 {
    margin: 0 0 16px;
    font-size: 18px;
  }
  
  .footer-container p,
  .footer-container a {
    color: #d4e1db;
    font-size: 14px;
    line-height: 1.8;
  }
  
  .footer-links a {
    display: block;
    text-decoration: none;
    margin-bottom: 6px;
  }
  
  .footer-links a:hover {
    color: #8ce0a0;
  }
  
  .footer-bottom {
    border-top: 1px solid #355047;
    padding: 16px 0;
    text-align: center;
  }
  
  .footer-bottom p {
    margin: 0;
    font-size: 13px;
  }
  
  /* Floating Buttons */
  .zalo-float,
  .messenger-float {
    position: fixed;
    right: 20px;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px 10px 10px;
    border-radius: 999px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 5px 18px rgba(0, 50, 130, 0.25);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .zalo-float {
    bottom: 24px;
    background: #0068ff;
  }
  
  .messenger-float {
    bottom: 94px;
    background: #0084ff;
  }
  
  .zalo-float:hover,
  .messenger-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 50, 130, 0.3);
  }
  
  .zalo-icon,
  .messenger-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #fff;
    font-weight: 800;
  }
  
  .zalo-icon {
    color: #0068ff;
    font-size: 13px;
  }
  
  .messenger-icon {
    color: #0084ff;
    font-size: 18px;
  }
  
  .zalo-text,
  .messenger-text {
    font-size: 14px;
  }
  
  /* ==========================================================================
     8. RESPONSIVE MEDIA QUERIES
     ========================================================================== */
  @media (max-width: 800px) {
    .navbar {
      padding: 14px 5%;
    }
  
    .navbar .nav-links,
    .navbar nav {
      display: none;
    }
  
    .hero {
      grid-template-columns: 1fr;
      gap: 24px;
      padding: 58px 6%;
    }
  
    .hero-visual {
      min-height: 350px;
    }
  
    .section,
    .benefits,
    .contact-section {
      padding: 60px 6%;
    }
  
    .section-heading {
      align-items: flex-start;
      flex-direction: column;
    }
  
    .product-grid {
      grid-template-columns: 1fr;
    }
  
    .benefits,
    .contact-section {
      grid-template-columns: 1fr;
      gap: 36px;
    }
  
    .footer-container {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  }
  
  @media (max-width: 480px) {
    .hero h1 {
      font-size: 34px;
      letter-spacing: -1px;
    }
  
    .hero-actions .button {
      width: 100%;
    }
  
    .lead-form {
      padding: 24px 18px;
    }
  
    .contact-section {
      gap: 26px;
    }
  
    .zalo-float {
      right: 14px;
      bottom: 16px;
    }
  
    .messenger-float {
      right: 14px;
      bottom: 86px;
    }
  }
  
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      scroll-behavior: auto !important;
      transition: none !important;
    }
  }

  .product-detail-page {
    padding: 0 8% 70px;
    background: #fff;
  }

  .product-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px;
    max-width: var(--page-width);
    margin: 0 auto;
    padding: 21px 0;
    color: var(--muted);
    font-size: 12px;
  }

  .product-breadcrumbs a:hover {
    color: var(--green-dark);
  }

  .product-breadcrumbs [aria-current="page"] {
    overflow: hidden;
    color: var(--navy);
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .product-detail-hero,
  .product-detail-information,
  .related-products {
    max-width: var(--page-width);
    margin: 0 auto;
  }

  .product-detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
    padding: 25px 0 65px;
  }

  .product-detail-image {
    display: grid;
    min-height: 440px;
    place-items: center;
    padding: 35px;
    border: 1px solid #edf1eb;
    border-radius: 22px;
    background: linear-gradient(145deg, #fafbf8, #f1f5ee);
  }

  .product-detail-image img {
    width: 100%;
    max-height: 430px;
    object-fit: contain;
  }

  .product-detail-image > span,
  .related-product-image > span {
    color: #91bb55;
    font-size: 66px;
  }

  .product-detail-summary h1 {
    margin: 10px 0 12px;
    color: var(--navy);
    font-size: clamp(28px, 3.5vw, 42px);
    line-height: 1.2;
  }

  .product-detail-brand,
  .product-detail-description {
    color: var(--muted);
  }

  .product-detail-description {
    margin: 19px 0;
    line-height: 1.8;
  }

  .product-detail-price {
    display: grid;
    gap: 3px;
    padding: 17px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .product-detail-price span {
    color: var(--muted);
    font-size: 13px;
  }

  .product-detail-price strong {
    color: #244f34;
    font-size: 25px;
  }

  .product-detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
  }

  .product-detail-phone {
    color: var(--navy);
    font-weight: 700;
  }

  .product-facts {
    display: grid;
    gap: 10px;
    margin: 24px 0 0;
  }

  .product-facts > div,
  .product-specifications > div {
    display: grid;
    grid-template-columns: minmax(130px, .7fr) 1fr;
    gap: 18px;
    padding: 12px 0;
    border-bottom: 1px solid #edf0ec;
  }

  .product-facts dt,
  .product-specifications dt {
    color: var(--muted);
  }

  .product-facts dd,
  .product-specifications dd {
    margin: 0;
    color: var(--navy);
    font-weight: 650;
    overflow-wrap: anywhere;
  }

  .product-detail-information {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(260px, .8fr);
    gap: 40px;
    padding: 40px;
    border: 1px solid #e8ece8;
    border-radius: 20px;
    background: #fbfcfa;
  }

  .product-information-section h2,
  .related-products h2 {
    margin: 7px 0 18px;
    color: var(--navy);
    font-size: 25px;
  }

  .product-specifications {
    margin: 0;
  }

  .product-information-empty,
  .product-warranty-note p {
    color: var(--muted);
    line-height: 1.7;
  }

  .product-documents ul {
    display: grid;
    gap: 11px;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  .product-documents li a {
    color: var(--green-dark);
    font-weight: 700;
  }

  .product-warranty-note {
    margin-top: 25px;
    padding: 15px;
    border-radius: 12px;
    background: #f0f5eb;
  }

  .product-warranty-note p {
    margin: 5px 0 0;
    font-size: 13px;
  }

  .related-products {
    padding: 66px 0 15px;
  }

  .related-products-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .related-product-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 17px;
    align-items: center;
    padding: 14px;
    border: 1px solid #e8ece8;
    border-radius: 16px;
    background: #fff;
  }

  .related-product-image {
    display: grid;
    min-height: 110px;
    place-items: center;
    overflow: hidden;
    border-radius: 11px;
    background: #f4f7f1;
  }

  .related-product-image img {
    width: 100%;
    height: 110px;
    object-fit: contain;
  }

  .related-product-image > span {
    font-size: 32px;
  }

  .related-product-card h3 {
    margin: 6px 0 10px;
    color: var(--navy);
    font-size: 14px;
    line-height: 1.45;
  }

  .related-product-card > div > strong {
    color: #244f34;
    font-size: 13px;
  }

  @media (max-width: 900px) {
    .product-detail-page {
      padding-right: 5%;
      padding-left: 5%;
    }

    .product-detail-hero {
      gap: 30px;
    }

    .product-detail-image {
      min-height: 350px;
      padding: 24px;
    }

    .product-detail-information {
      gap: 25px;
      padding: 28px;
    }

    .related-products-grid {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 640px) {
    .product-detail-page {
      padding: 0 17px 45px;
    }

    .product-breadcrumbs {
      padding: 15px 0;
      font-size: 11px;
    }

    .product-detail-hero,
    .product-detail-information {
      grid-template-columns: 1fr;
    }

    .product-detail-hero {
      gap: 23px;
      padding: 12px 0 42px;
    }

    .product-detail-image {
      min-height: 260px;
    }

    .product-detail-image img {
      max-height: 270px;
    }

    .product-detail-summary h1 {
      font-size: 29px;
    }

    .product-detail-price strong {
      font-size: 22px;
    }

    .product-detail-actions {
      align-items: stretch;
      flex-direction: column;
    }

    .product-detail-actions > * {
      justify-content: center;
      text-align: center;
    }

    .product-detail-information {
      gap: 30px;
      padding: 23px 18px;
    }

    .product-information-section h2,
    .related-products h2 {
      font-size: 22px;
    }

    .product-facts > div,
    .product-specifications > div {
      grid-template-columns: minmax(100px, .7fr) 1fr;
      gap: 12px;
      font-size: 13px;
    }

    .related-products {
      padding-top: 45px;
    }

    .related-product-card {
      grid-template-columns: 95px 1fr;
      gap: 12px;
      padding: 11px;
    }

    .related-product-image,
    .related-product-image img {
      min-height: 90px;
      height: 90px;
    }
  }
  /* Style cho danh sách mô tả sản phẩm */
.product-description-list {
  margin: 0 0 18px 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  list-style-type: disc;
}

.product-description-list li {
  margin-bottom: 4px;
  word-break: break-word;
}

.product-description-fallback {
  margin: 0 0 18px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
/* Card tổng quan */
.solar-hero-card {
  position: relative;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Phần hiển thị chỉ số số liệu */
.energy-metric .label {
  display: block;
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 6px;
}

.energy-metric .value-group {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.energy-metric .num-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
}

.energy-metric .unit {
  font-size: 1.25rem;
  font-weight: 600;
  color: #10b981;
}

.energy-metric .growth-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 4px;
}

/* Khối thông tin thiết bị dạng mini-cards */
.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.info-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
}

.info-title {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-bottom: 4px;
}

.info-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: #f8fafc;
}

/* Thẻ Floating Card nằm riêng bên ngoài */
.floating-card {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 18px;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  text-decoration: none;
  color: #f8fafc;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.floating-card:hover {
  transform: translateY(-2px);
  border-color: #10b981;
  background: rgba(30, 41, 59, 1);
}

.floating-icon {
  width: 32px;
  height: 32px;
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.floating-card strong {
  display: block;
  font-size: 0.9rem;
}

.floating-card span {
  font-size: 0.78rem;
  color: #94a3b8;
}
.product-card-combo {
  border: 2px solid #8bcf35;
  border-radius: 16px;
  background: linear-gradient(180deg, #f7ffe9, #fff 45%);
  box-shadow: 0 8px 24px rgba(93, 153, 26, 0.13);
  overflow: hidden;
}

.product-card-combo .product-visual {
  position: relative;
  background: #f1f9e7;
}

.combo-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 8px 12px;
  border-radius: 6px;
  background: #78b92b;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
}

.product-card-combo .product-price {
  color: #388515;
  font-size: 24px;
  font-weight: 800;
}

.product-card-combo .product-contact-link {
  background: #4e921b;
  color: #fff;
  border-color: #4e921b;
}
/* Homepage refresh */
:root {
  --navy: #173b30;
  --navy-deep: #102a23;
  --green: #d7bb6a;
  --green-dark: #286847;
  --text: #26332d;
  --muted: #69776f;
  --surface: #f6f7f3;
  --border: #e3e8e1;
  --lime: #d7bb6a;
  --page-width: 1240px;
}

.topbar {
  position: relative;
  z-index: 1001;
  background: #14382e;
  color: #eaf2eb;
  font-size: 12px;
}

.topbar-inner {
  max-width: var(--page-width);
  min-height: 34px;
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-inner a {
  color: var(--lime);
  font-weight: 700;
}

.navbar {
  min-height: 70px;
  padding: 12px max(28px, calc((100% - var(--page-width)) / 2));
  gap: 18px;
  background: rgba(255, 255, 255, 0.96);
}

.brand {
  gap: 9px;
  flex-shrink: 0;
}

.brand-logo-img {
  width: 48px;
  height: 48px;
  max-width: 48px;
  border-radius: 12px;
  object-fit: cover;
}

.brand-name {
  white-space: nowrap;
  font-size: 15px;
  letter-spacing: 0.6px;
}

.brand-light {
  color: #6c7b84;
  font-weight: 650;
}

.navbar .nav-links {
  gap: clamp(14px, 2vw, 27px);
  font-size: 12px;
  white-space: nowrap;
}

.mobile-nav {
  display: contents;
}

.mobile-nav-toggle {
  display: none;
}

.nav-products-menu {
  position: relative;
}

.nav-products-menu > summary {
  padding: 10px 0;
  color: #4a5d6e;
  cursor: pointer;
  list-style: none;
}

.nav-products-menu > summary::-webkit-details-marker {
  display: none;
}

.nav-products-menu > summary:hover,
.nav-products-menu[open] > summary {
  color: var(--green-dark);
}

.nav-products-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: -16px;
  z-index: 1100;
  display: grid;
  min-width: 210px;
  padding: 8px;
  border: 1px solid #e5e9e3;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(27, 51, 37, .12);
}

.nav-products-panel a {
  padding: 9px 10px !important;
  border-radius: 7px;
  color: #405148;
}

.nav-products-panel a:hover {
  background: #f3f6ef;
}

.navbar .nav-links a {
  padding: 10px 0;
}

.site-search {
  min-width: 175px;
  max-width: 245px;
  height: 42px;
  flex: 1 1 190px;
  display: flex;
  align-items: center;
  padding: 4px 5px 4px 12px;
  border: 1px solid #e3e9e5;
  border-radius: 12px;
  background: #f7f9f7;
}

.search-icon {
  color: #75857c;
  font-size: 23px;
  line-height: 1;
}

.site-search input {
  width: 100%;
  min-width: 0;
  padding: 0 8px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 12px;
}

.site-search button {
  min-height: 32px;
  padding: 0 12px;
  border: 0;
  border-radius: 9px;
  color: #153224;
  background: var(--lime);
  font-size: 11px;
  font-weight: 800;
  cursor: pointer;
}

.nav-cta {
  min-height: 42px;
  padding: 0 17px;
  flex-shrink: 0;
  border-radius: 11px;
  background: #1d6741;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hero {
  position: relative;
  isolation: isolate;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(30px, 5vw, 78px);
  min-height: 540px;
  max-width: none;
  padding: 72px max(28px, calc((100% - var(--page-width)) / 2)) 74px;
  background:
    radial-gradient(ellipse at 82% 38%, rgba(220, 191, 105, .1), transparent 34%),
    linear-gradient(120deg, #12352b 0%, #194536 100%);
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.06;
  background-image: radial-gradient(rgba(255,255,255,.24) .6px, transparent .6px);
  background-size: 26px 26px;
  mask-image: linear-gradient(90deg, transparent, #000 60%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 610px;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 23px;
  padding: 8px 12px;
  border: 1px solid rgba(220, 191, 105, .32);
  border-radius: 999px;
  color: #e9d9a8;
  background: rgba(220, 191, 105, .08);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.25px;
}

.hero-kicker-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
}

.hero h1 {
  max-width: 650px;
  font-size: clamp(42px, 4.7vw, 64px);
  line-height: 1.07;
  letter-spacing: -2.5px;
}

.hero h1 span {
  color: #e1c873;
}

.hero-description {
  max-width: 530px;
  margin: 24px 0 27px;
  color: #d1ddd5;
  font-size: 15px;
  line-height: 1.85;
}

.hero-actions {
  gap: 12px;
}

.button {
  min-height: 50px;
  padding: 12px 19px;
  border-radius: 11px;
  font-size: 13px;
}

.button-primary {
  color: #18372b;
  background: #dfc56f;
  box-shadow: 0 8px 24px rgba(18, 35, 23, .13);
}

.button-secondary {
  border-color: rgba(227, 242, 228, .3);
  color: #f3f7f3;
  background: rgba(255,255,255,.04);
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 29px;
  color: #d5e2dc;
  font-size: 11px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-proof b {
  display: inline-grid;
  width: 17px;
  height: 17px;
  place-items: center;
  border-radius: 50%;
  color: #d8f99d;
  background: rgba(196, 239, 112, .14);
}

.hero-visual {
  min-height: 420px;
}

.hero-product-frame {
  position: relative;
  width: min(450px, 90%);
  padding: 19px 19px 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .68);
  border-radius: 20px;
  background: #fbfcf8;
  box-shadow: 0 25px 55px rgba(0, 0, 0, .18);
  transform: none;
}

.hero-product-label {
  position: absolute;
  top: 13px;
  left: 13px;
  z-index: 2;
  padding: 8px 11px;
  border-radius: 999px;
  color: #315e3d;
  background: rgba(255,255,255,.92);
  box-shadow: 0 5px 18px rgba(20, 50, 34, .1);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .7px;
}

.hero-product-label span {
  color: #7eb841;
}

.hero-product-frame img {
  display: block;
  width: 100%;
  height: 305px;
  border-radius: 15px 15px 0 0;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.hero-product-caption {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 14px 8px 17px;
  color: var(--navy);
}

.hero-product-caption span {
  color: #748278;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: 1.3px;
}

.hero-product-caption strong {
  font-size: 17px;
}

.hero-floating-note {
  position: absolute;
  right: -5px;
  bottom: 35px;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 12px 16px 12px 12px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 15px;
  color: #20362c;
  background: #fff;
  box-shadow: 0 12px 28px rgba(0,0,0,.14);
  transform: none;
}

.hero-note-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 12px;
  color: #386f3b;
  background: #eff8db;
  font-size: 20px;
}

.hero-floating-note strong,
.hero-floating-note small {
  display: block;
}

.hero-floating-note strong {
  font-size: 13px;
}

.hero-floating-note small {
  margin-top: 2px;
  color: #74827a;
  font-size: 10px;
}

.hero-orbit {
  position: absolute;
  border: 1px solid rgba(235, 220, 169, .11);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orbit-one {
  width: 490px;
  height: 490px;
}

.hero-orbit-two {
  width: 390px;
  height: 390px;
}

.hero-spark {
  position: absolute;
  color: #dfc56f;
}

.hero-spark-one {
  top: 27px;
  right: 26px;
  font-size: 31px;
}

.hero-spark-two {
  left: 15px;
  bottom: 61px;
  font-size: 24px;
}

.hero-scroll {
  position: absolute;
  right: max(28px, calc((100% - var(--page-width)) / 2));
  bottom: 22px;
  color: rgba(226,239,228,.65);
  font-size: 9px;
  font-weight: 750;
  letter-spacing: 1.25px;
}

.hero-scroll span {
  margin-left: 9px;
  color: var(--lime);
  font-size: 15px;
}

.category-section,
.deal-section,
.featured-section,
.new-products-section {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 78px 28px;
}

.category-section {
  padding-top: 58px;
  padding-bottom: 58px;
}

.section-topline,
.deal-heading,
.new-products-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 27px;
}

.section-topline .eyebrow,
.deal-heading .eyebrow,
.new-products-heading .eyebrow,
.benefits .eyebrow,
.contact-section .eyebrow {
  margin-bottom: 9px;
  color: #4c8b53;
  font-size: 9px;
  letter-spacing: 1.55px;
}

.section-topline h2,
.deal-heading h2,
.new-products-heading h2 {
  margin: 0;
  color: #163143;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.15;
  letter-spacing: -1.1px;
}

.section-topline > p,
.new-products-heading > p,
.deal-heading > div > p {
  max-width: 350px;
  margin: 0;
  color: #718087;
  font-size: 12px;
  line-height: 1.7;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.category-tile {
  position: relative;
  min-width: 0;
  min-height: 102px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 17px;
  border: 1px solid #e5ebe6;
  border-radius: 16px;
  text-align: left;
  color: var(--text);
  background: #fff;
  box-shadow: 0 7px 22px rgba(23, 56, 40, .035);
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.category-tile:hover,
.category-tile.is-active {
  transform: translateY(-3px);
  border-color: #94c05a;
  box-shadow: 0 13px 28px rgba(52, 105, 55, .1);
}

.category-icon {
  position: relative;
  display: grid;
  width: 47px;
  height: 47px;
  flex: 0 0 47px;
  place-items: center;
  border-radius: 14px;
  color: #376c43;
  background: #eff7e4;
  font-size: 24px;
}

.category-icon-battery { background: #e9f5ed; }
.category-icon-panel { background: #fff4db; color: #a87424; }
.category-icon-system { background: #ecf0f8; color: #4c6486; }

.category-tile strong,
.category-tile small {
  display: block;
}

.category-tile strong {
  margin-bottom: 3px;
  color: #193446;
  font-size: 13px;
}

.category-tile small {
  color: #7a898c;
  font-size: 10px;
  line-height: 1.4;
}

.category-arrow {
  margin-left: auto;
  color: #83a55c;
  font-size: 17px;
}

.deal-section {
  max-width: none;
  padding: 76px max(28px, calc((100% - var(--page-width)) / 2));
  color: #fff;
  background: #173d31;
}

.deal-heading,
.deal-grid {
  max-width: var(--page-width);
  margin-right: auto;
  margin-left: auto;
}

.deal-heading {
  margin-bottom: 24px;
}

.deal-heading h2 {
  color: #fff;
}

.deal-heading > div > p {
  margin-top: 8px;
  color: #cfddd3;
}

.text-link {
  color: #46794d;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.deal-section .text-link {
  color: #e5cf7d;
}

.text-link span {
  margin-left: 4px;
}

.deal-grid {
  display: grid;
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
  gap: 20px;
}

.deal-card {
  min-width: 0;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 15px 35px rgba(0, 0, 0, .12);
  transition: transform .24s ease, box-shadow .24s ease;
}

.deal-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(45, 75, 44, .12);
}

.deal-image {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #f5f6f1;
  text-decoration: none;
}

.deal-image img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  padding: 14px;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform .3s ease;
}

.deal-card:hover .deal-image img {
  transform: scale(1.04);
}

.deal-ribbon {
  position: absolute;
  top: 15px;
  left: 14px;
  padding: 7px 9px;
  border-radius: 999px;
  color: #644f1c;
  background: #f0df9d;
  font-size: 8px;
  font-weight: 850;
  letter-spacing: .6px;
}

.deal-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 23px 20px;
}

.deal-content .product-category {
  color: #557646;
}

.deal-content .product-category {
  font-size: 9px;
}

.deal-content h3 {
  margin: 8px 0 8px;
  color: #193447;
  font-size: 17px;
  line-height: 1.35;
}

.deal-content p {
  display: -webkit-box;
  min-height: 0;
  margin: 0 0 14px;
  overflow: hidden;
  color: #74818a;
  font-size: 11px;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.deal-specifications {
  display: grid;
  width: 100%;
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.deal-specifications li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid #edf0e9;
  color: #718078;
  font-size: 11px;
}

.deal-specifications strong {
  color: #2d4235;
  text-align: right;
}

.deal-bottom {
  display: flex;
  width: 100%;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
}

.deal-price-label {
  display: block;
  margin-bottom: 2px;
  color: #718078;
  font-size: 10px;
}

.deal-price {
  display: block;
  margin: 0;
  color: #286847;
  font-size: 20px;
}

.deal-price small {
  font-size: 12px;
}

.deal-price-contact {
  font-size: 15px;
}

.button-deal {
  width: auto;
  min-height: 42px;
  color: #18372b;
  background: #dfc56f;
  font-size: 11px;
}

.deal-empty-state {
  display: flex;
  max-width: 920px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 0 auto;
  padding: 20px 24px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 14px;
  background: rgba(255, 255, 255, .06);
}

.deal-empty-state p {
  margin: 0;
  color: #d6e1d9;
  font-size: 13px;
}

.featured-section {
  padding-top: 82px;
  padding-bottom: 76px;
}

.featured-section .section-topline {
  margin-bottom: 12px;
}

.search-status {
  min-height: 18px;
  margin: 0 0 15px;
  color: #65804a;
  font-size: 11px;
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 19px;
}

.product-card {
  position: relative;
  border-color: #e8ece8;
  border-radius: 17px;
  box-shadow: 0 8px 24px rgba(20, 45, 34, .04);
}

.product-card:hover {
  transform: translateY(-5px);
  border-color: #b7d48f;
  box-shadow: 0 18px 36px rgba(20, 45, 34, .1);
}

.product-visual {
  height: 248px;
  padding: 22px;
  background: linear-gradient(145deg, #fafbf8, #f1f5ee);
}

.product-photo {
  position: relative;
  z-index: 1;
  transform: scale(1.05);
}

.product-card:hover .product-photo {
  transform: scale(1.11);
}

.product-sticker {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  padding: 6px 8px;
  border-radius: 7px;
  color: #3e7142;
  background: #e5f2cf;
  font-size: 8px;
  font-weight: 850;
  letter-spacing: .5px;
}

.product-info {
  padding: 19px;
}

.product-category {
  color: #588448;
  font-size: 9px;
  letter-spacing: 1px;
}

.product-info h3 {
  min-height: 0;
  margin: 7px 0 8px;
  color: #1b3545;
  font-size: 15px;
  line-height: 1.45;
}

.product-description {
  display: -webkit-box;
  min-height: 58px !important;
  margin: 0 0 15px !important;
  overflow: hidden;
  color: #77848c !important;
  font-size: 11px !important;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.featured-description {
  margin: 0 0 12px;
  color: #718078;
  font-size: 12px;
}

.product-code {
  min-height: 0;
  margin: -3px 0 8px;
  color: #62766a;
  font-size: 10px;
  font-weight: 650;
}

.product-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 13px;
  border-top: 1px solid #edf0ec;
}

.product-info .product-price {
  min-height: 0;
  margin: 0;
  color: #244f34;
  font-size: 16px;
}

.product-price small {
  font-size: 10px;
}

.product-price-contact {
  font-size: 12px !important;
}

.product-info a.product-contact-link {
  min-height: 36px;
  margin: 0;
  padding: 8px 11px;
  border-color: #d8e5ce;
  border-radius: 9px;
  color: #315f39;
  background: #f3f6ef;
  font-size: 10px;
  white-space: nowrap;
}

.product-card:hover .product-info a.product-contact-link {
  border-color: #244f34;
  color: #fff;
  background: #244f34;
}

.new-products-section {
  max-width: none;
  padding-top: 60px;
  padding-bottom: 67px;
  background: #f6f8f6;
}

.new-products-heading,
.new-products-row {
  max-width: var(--page-width);
  margin-right: auto;
  margin-left: auto;
}

.new-products-heading {
  margin-bottom: 19px;
}

.new-products-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.new-product-card {
  position: relative;
  padding: 18px 21px 17px 24px;
  border: 1px solid #e4eae4;
  border-radius: 14px;
  background: #fff;
}

.new-product-dot {
  position: absolute;
  top: 23px;
  left: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #91bb55;
}

.new-product-category {
  color: #62884a;
  font-size: 8px;
  font-weight: 850;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.new-product-card h3 {
  margin: 5px 0 9px;
  color: #1b3545;
  font-size: 13px;
  line-height: 1.45;
}

.new-product-card a {
  color: #42764b;
  font-size: 10px;
  font-weight: 800;
}

.new-product-card[hidden],
.product-card[hidden] {
  display: none !important;
}

.empty-products {
  grid-column: 1 / -1;
  padding: 50px 20px;
  border: 1px dashed #d4dfd2;
  border-radius: 18px;
  text-align: center;
  background: #fbfcfa;
}

.empty-products > span {
  color: #85ad56;
  font-size: 30px;
}

.empty-products h3 {
  margin: 8px 0;
  color: #1b3545;
}

.empty-products p {
  color: var(--muted);
  font-size: 13px;
}

.no-search-results {
  grid-column: 1 / -1;
  padding: 25px 18px;
  border: 1px dashed #d4dfd2;
  border-radius: 14px;
  text-align: center;
  color: #6c7d70;
  background: #fbfcfa;
  font-size: 12px;
}

.no-search-results strong,
.no-search-results span {
  display: block;
}

.no-search-results strong {
  margin-bottom: 5px;
  color: #274c34;
}

.benefits {
  max-width: none;
  grid-template-columns: .8fr 1.2fr;
  gap: 70px;
  padding: 80px max(28px, calc((100% - var(--page-width)) / 2));
  background: #f1f5ef;
}

.benefit-intro h2 {
  color: #173447;
  font-size: clamp(29px, 3.4vw, 42px);
}

.benefit-intro p {
  color: #728078;
  font-size: 13px;
  line-height: 1.75;
}

.benefit-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.benefit-card {
  padding: 18px;
  border-color: #e5ebe2;
  border-radius: 15px;
}

.benefit-header {
  margin-bottom: 16px;
}

.benefit-badge {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  color: #386b42;
  background: #eff7e4;
  font-size: 11px;
}

.benefit-icon {
  color: #65904a;
}

.benefit-card h3 {
  font-size: 14px;
}

.benefit-card p {
  color: #75827b;
  font-size: 11px;
  line-height: 1.65;
}

.contact-section {
  max-width: var(--page-width);
  margin: 0 auto;
  gap: 60px;
  padding: 82px 28px;
}

.contact-copy h2 {
  color: #173447;
  font-size: clamp(30px, 3.5vw, 43px);
}

.contact-copy > p {
  color: #728078;
  line-height: 1.75;
}

.contact-note {
  color: #4f7b4e;
  font-size: 12px;
  font-weight: 750;
}

.lead-form {
  border-color: #e5ebe5;
  border-radius: 19px;
  box-shadow: 0 20px 55px rgba(24, 54, 37, .09);
}

.lead-form h3 {
  color: #183648;
}

.lead-form .form-submit {
  color: #163322;
}

.site-footer {
  margin-top: 0;
  padding-top: 45px;
  background: #102b3f;
}

@media (max-width: 1080px) {
  .navbar {
    gap: 15px;
    padding-right: 22px;
    padding-left: 22px;
  }

  .navbar .nav-links {
    gap: 14px;
    font-size: 11px;
  }

  .brand-name {
    font-size: 13px;
  }

  .site-search {
    max-width: 190px;
  }

  .hero {
    padding-right: 36px;
    padding-left: 36px;
  }

  .deal-section,
  .benefits {
    padding-right: 36px;
    padding-left: 36px;
  }
}

@media (max-width: 800px) {
  .topbar-inner {
    padding: 0 20px;
    font-size: 10px;
  }

  .navbar {
    min-height: 64px;
    flex-wrap: wrap;
    padding: 10px 20px;
    gap: 10px 14px;
  }

  .mobile-nav {
    position: relative;
    display: block;
    order: 4;
    flex: 0 0 100%;
  }

  .mobile-nav-toggle {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    gap: 9px;
    padding: 0 12px;
    border: 1px solid #e1e8df;
    border-radius: 9px;
    color: #234735;
    background: #fff;
    font-size: 12px;
    font-weight: 750;
    font: inherit;
    cursor: pointer;
  }

  .mobile-nav.is-open .mobile-nav-toggle {
    border-color: #b8c9b0;
    background: #f4f7f1;
  }

  .navbar .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    z-index: 1200;
    display: none;
    width: min(340px, 90vw);
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 8px;
    border: 1px solid #e2e8e1;
    border-radius: 13px;
    background: #fff;
    box-shadow: 0 14px 34px rgba(24, 49, 35, .15);
    white-space: normal;
  }

  .mobile-nav.is-open .nav-links {
    display: flex;
  }

  .navbar .nav-links > a,
  .nav-products-menu > summary {
    display: flex;
    min-height: 44px;
    align-items: center;
    padding: 0 11px;
    border-radius: 8px;
    white-space: nowrap;
  }

  .navbar .nav-links > a:hover,
  .nav-products-menu > summary:hover {
    background: #f4f7f1;
  }

  .nav-products-panel {
    position: static;
    min-width: 0;
    padding: 0 0 5px 12px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .nav-products-panel a {
    min-height: 40px;
    align-items: center;
    border-left: 1px solid #e4e9e1;
    border-radius: 0 7px 7px 0;
    white-space: normal;
  }

  .site-search {
    order: 3;
    max-width: none;
    min-width: 0;
    flex: 1 0 100%;
  }

  .nav-cta {
    order: 2;
    margin-left: auto;
    min-height: 39px;
    padding: 0 12px;
    font-size: 11px;
  }

  .hero {
    grid-template-columns: 1fr 0.82fr;
    gap: 18px;
    min-height: 460px;
    padding: 56px 28px 65px;
  }

  .hero h1 {
    font-size: clamp(38px, 7vw, 54px);
    letter-spacing: -2px;
  }

  .hero-proof {
    gap: 8px 12px;
    font-size: 10px;
  }

  .hero-visual {
    min-height: 330px;
  }

  .hero-product-frame {
    width: 100%;
    padding: 12px 12px 0;
    border-radius: 18px;
  }

  .hero-product-frame img {
    height: 220px;
  }

  .hero-floating-note {
    right: -8px;
    bottom: 5px;
    padding: 8px;
  }

  .hero-floating-note small {
    max-width: 120px;
    font-size: 8px;
  }

  .hero-orbit-one { width: 350px; height: 350px; }
  .hero-orbit-two { width: 290px; height: 290px; }
  .hero-scroll { display: none; }

  .category-section,
  .featured-section,
  .new-products-section {
    padding: 56px 24px;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deal-section {
    padding: 58px 24px;
  }

  .deal-grid {
    grid-template-columns: 1fr;
    max-width: 620px;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .benefits {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 58px 24px;
  }

  .benefit-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .contact-section {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    padding: 60px 24px;
  }

  .lead-form {
    padding: 24px;
  }
}

@media (max-width: 560px) {
  html {
    scroll-padding-top: 160px;
  }

  .topbar-inner {
    min-height: 31px;
    justify-content: center;
  }

  .topbar-inner > span {
    display: none;
  }

  .navbar {
    padding: 10px 15px;
  }

  .mobile-nav {
    flex-basis: 100%;
  }

  .brand-logo-img {
    width: 39px;
    height: 39px;
  }

  .brand-name {
    font-size: 12px;
  }

  .site-search {
    order: 3;
    flex: 1 0 100%;
    height: 39px;
  }

  .navbar .nav-links {
    padding: 8px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 15px;
    padding: 32px 20px 35px;
  }

  .hero-kicker {
    margin-bottom: 17px;
    font-size: 8px;
  }

  .hero h1 {
    font-size: clamp(34px, 9.2vw, 43px);
    line-height: 1.08;
    letter-spacing: -1.7px;
  }

  .hero-description {
    margin: 17px 0 20px;
    font-size: 13px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions .button {
    width: 100%;
    min-height: 47px;
    padding: 10px 8px;
    font-size: 11px;
  }

  .hero-proof {
    display: none;
  }

  .hero-visual {
    min-height: 170px;
    margin: 0 14px;
  }

  .hero-product-frame {
    width: min(330px, 88%);
  }

  .hero-product-frame img {
    height: 110px;
  }

  .hero-product-caption {
    padding: 10px 5px 12px;
  }

  .hero-product-caption strong {
    font-size: 14px;
  }

  .hero-floating-note {
    right: -9px;
    bottom: -1px;
  }

  .hero-note-icon {
    width: 32px;
    height: 32px;
  }

  .category-section,
  .featured-section,
  .new-products-section {
    padding: 46px 17px;
  }

  .section-topline,
  .deal-heading,
  .new-products-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 11px;
    margin-bottom: 18px;
  }

  .section-topline > p,
  .new-products-heading > p {
    font-size: 11px;
  }

  .category-grid {
    gap: 9px;
  }

  .category-tile {
    min-height: 0;
    padding: 0;
  }

  .category-tile strong {
    font-size: 12px;
  }

  .category-tile small {
    font-size: 9px;
  }

  .category-arrow {
    font-size: 12px;
  }

  .deal-section {
    padding: 47px 17px;
  }

  .deal-card {
    grid-template-columns: 1fr;
    border-radius: 16px;
  }

  .deal-image,
  .deal-image img {
    min-height: 210px;
    height: 210px;
  }

  .deal-content {
    padding: 17px;
  }

  .deal-content h3 {
    font-size: 15px;
  }

  .deal-bottom {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .deal-bottom .button-deal {
    width: 100%;
  }

  .deal-empty-state {
    align-items: stretch;
    flex-direction: column;
  }

  .deal-price {
    margin-top: 6px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .product-card {
    display: grid;
    grid-template-columns: 38% 62%;
    min-height: 190px;
  }

  .product-visual {
    height: 100%;
    min-height: 190px;
    padding: 11px;
  }

  .product-photo {
    transform: scale(1.02);
  }

  .product-info {
    padding: 14px 12px;
  }

  .product-info h3 {
    min-height: 0;
    margin: 5px 0 6px;
    font-size: 12px;
  }

  .product-description {
    min-height: 0 !important;
    margin-bottom: 8px !important;
    font-size: 9px !important;
    -webkit-line-clamp: 2;
  }

  .product-sticker {
    top: 8px;
    left: 7px;
    padding: 5px 6px;
    font-size: 7px;
  }

  .product-card-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
    padding-top: 8px;
  }

  .product-info .product-price {
    font-size: 13px;
  }

  .product-info a.product-contact-link {
    width: 100%;
    min-height: 30px;
    padding: 5px 8px;
    font-size: 9px;
  }

  .new-products-row {
    grid-template-columns: 1fr;
  }

  .benefits {
    padding: 48px 18px;
  }

  .benefit-list {
    grid-template-columns: 1fr;
  }

  .benefit-card {
    padding: 15px;
  }

  .benefit-header {
    margin-bottom: 9px;
  }

  .contact-section {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 50px 18px;
  }

  .lead-form {
    padding: 22px 17px;
  }

  .footer-container {
    gap: 18px;
  }

  .zalo-float,
  .messenger-float {
    right: 12px;
    width: 48px;
    height: 48px;
    justify-content: center;
    padding: 4px;
  }

  .zalo-float {
    bottom: 14px;
  }

  .messenger-float {
    bottom: 72px;
  }

  .zalo-icon,
  .messenger-icon {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
  }

  .zalo-text,
  .messenger-text {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-product-frame,
  .hero-floating-note,
  .category-tile,
  .deal-card,
  .product-card {
    transform: none;
  }
}

.category-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  max-width: none;
  margin: 0;
  padding: 62px max(28px, calc((100% - var(--page-width)) / 2 + 28px));
  color: var(--text);
  background: #f7f8f4;
}

.category-section::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: 0;
  width: 44%;
  height: 100%;
  background-image:
    linear-gradient(rgba(25, 80, 50, .025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25, 80, 50, .025) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: linear-gradient(90deg, transparent, #000);
}

.category-section::after {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, rgba(24, 132, 75, .15) 50%, transparent 95%);
  content: "";
}

.category-section .section-topline {
  align-items: center;
  max-width: var(--page-width);
  margin: 0 auto 25px;
}

.category-section .section-topline .eyebrow {
  color: #96742c;
}

.category-section .section-topline h2 {
  color: #17372b;
}

.category-section .section-topline > p {
  color: #6d8177;
}

.category-grid {
  max-width: var(--page-width);
  margin: 0 auto;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.category-tile {
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
  border: 1px solid #e3e8e1;
  border-radius: 14px;
  color: var(--text);
  background: #fff;
  box-shadow: 0 5px 17px rgba(23, 61, 42, .035);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.category-tile:hover {
  transform: translateY(-3px);
  border-color: #b7cba9;
  background: #fff;
  box-shadow: 0 12px 26px rgba(23, 79, 45, .08);
}

.category-tile:focus-visible {
  outline: 3px solid rgba(40, 104, 71, .35);
  outline-offset: 3px;
}

.category-tile-image {
  position: relative;
  display: grid;
  height: 170px;
  place-items: center;
  overflow: hidden;
  background: #f3f6f0;
}

.category-tile-image img {
  width: 100%;
  height: 100%;
  padding: 14px;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform .25s ease;
}

.category-tile:hover .category-tile-image img {
  transform: scale(1.04);
}

.category-tile-content {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-height: 70px;
  padding: 13px 15px 15px;
}

.category-icon {
  position: relative;
  display: grid;
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  place-items: center;
  color: #547443;
  font-size: 42px;
}

.category-tile strong {
  color: #17372b;
  font-size: 14px;
}

.category-tile small {
  color: #718178;
  font-size: 11px;
}

.category-arrow {
  position: absolute;
  top: 12px;
  right: 12px;
  display: grid;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  place-items: center;
  border: 1px solid rgba(228, 232, 224, .9);
  border-radius: 50%;
  color: #456f4b;
  background: rgba(255, 255, 255, .95);
  transition: transform .2s ease;
}

.category-tile:hover .category-arrow {
  transform: translate(2px, -2px);
}

.category-empty-message {
  max-width: var(--page-width);
  margin: 0 auto;
  color: var(--muted);
}

@media (max-width: 640px) {
  .category-section {
    padding: 42px 17px;
  }

  .category-section .section-topline {
    gap: 8px;
  }

  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
  }

  .category-tile {
    min-height: 0;
  }

  .category-tile-image {
    height: 125px;
  }

  .category-tile-content {
    min-height: 64px;
    padding: 10px 11px 12px;
  }

  .category-tile strong {
    font-size: 12px;
  }

  .category-tile small {
    font-size: 9px;
  }

  .category-arrow {
    width: 25px;
    height: 25px;
    font-size: 12px;
  }
}

.navbar {
  position: sticky;
  top: 0;
  min-height: 68px;
  padding-top: 8px;
  padding-bottom: 8px;
  gap: clamp(12px, 1.8vw, 22px);
  box-shadow: 0 5px 20px rgba(16, 42, 67, .07);
}

.brand-logo-img {
  width: 42px;
  height: 42px;
}

.site-search {
  max-width: 205px;
  min-width: 150px;
  flex: 0 1 205px;
  height: 38px;
  border-radius: 10px;
}

.site-search button {
  min-height: 29px;
}

.nav-cta {
  min-height: 40px;
  padding: 0 15px;
  color: #f7fff9;
  background: #137a43;
  box-shadow: 0 6px 16px rgba(19, 122, 67, .2);
}

.nav-cta:hover {
  background: #0e6235;
}

.hero h1 {
  max-width: 700px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-weight: 850;
  letter-spacing: -2.5px;
}

.hero-proof {
  gap: 10px 14px;
}

.hero-proof span {
  white-space: nowrap;
}

.product-card {
  overflow: hidden;
  background: #fff;
}

.product-card-specs {
  display: grid;
  gap: 6px;
  margin: 0 0 14px;
  padding: 0;
  list-style: none;
}

.product-card-specs li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 5px;
  border-bottom: 1px solid #f0f3f0;
  font-size: 10px;
}

.product-card-specs li span {
  overflow: hidden;
  color: #748178;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product-card-specs li strong {
  color: #294d37;
  text-align: right;
}

.brand-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 26px;
  padding: 25px 22px;
  border-top: 1px solid #eef2ee;
  border-bottom: 1px solid #eef2ee;
  background: #fff;
}

.brand-strip > p {
  margin: 0;
  color: #748178;
  font-size: 11px;
}

.brand-strip-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.brand-strip-list span {
  padding: 7px 15px;
  border: 1px solid #e6eee8;
  border-radius: 999px;
  color: #28583b;
  background: #f7fbf8;
  font-size: 12px;
  font-weight: 800;
}

.contact-section {
  align-items: start;
}

.lead-form select {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid #dfe8e1;
  border-radius: 10px;
  color: var(--text);
  background: #fff;
}

.lead-form select:focus-visible {
  border-color: #39d978;
  outline: 3px solid rgba(57, 217, 120, .15);
}

.phone-float {
  position: fixed;
  right: 20px;
  bottom: 164px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px 10px 10px;
  border-radius: 999px;
  color: #fff;
  background: #168349;
  box-shadow: 0 6px 20px rgba(18, 91, 52, .27);
  font-weight: 750;
  transition: transform .2s ease, box-shadow .2s ease;
}

.phone-float:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(18, 91, 52, .34);
}

.phone-float-icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: #168349;
  background: #fff;
  font-size: 20px;
}

.phone-float-text {
  font-size: 14px;
}

@media (max-width: 800px) {
  .navbar {
    min-height: 64px;
  }
}

@media (max-width: 560px) {
  .navbar {
    position: sticky;
    padding: 7px 12px;
    gap: 7px 10px;
  }

  .brand-logo-img {
    width: 36px;
    height: 36px;
  }

  .site-search {
    max-width: none;
    min-width: 0;
    flex: 1 0 100%;
  }

  .nav-cta {
    min-height: 36px;
    padding: 0 11px;
    font-size: 10px;
  }

  .hero h1 {
    font-size: clamp(37px, 10vw, 49px);
    letter-spacing: -1.8px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    min-height: 45px;
  }

  .hero-proof {
    gap: 7px 11px;
    font-size: 9px;
  }

  .hero-proof span {
    white-space: normal;
  }

  .product-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .product-visual {
    height: 215px;
    min-height: 215px;
    padding: 16px;
  }

  .product-info {
    padding: 16px;
  }

  .product-info h3 {
    font-size: 15px;
  }

  .product-description {
    font-size: 11px !important;
    -webkit-line-clamp: 3;
  }

  .product-card-specs li {
    font-size: 11px;
  }

  .product-card-bottom {
    align-items: center;
    flex-direction: row;
  }

  .product-info a.product-contact-link {
    width: auto;
    min-height: 34px;
    padding: 7px 11px;
    font-size: 10px;
  }

  .brand-strip {
    gap: 10px;
    padding: 20px 16px;
  }

  .phone-float,
  .zalo-float,
  .messenger-float {
    right: 12px;
    width: 46px;
    height: 46px;
    justify-content: center;
    padding: 4px;
  }

  .phone-float {
    bottom: 166px;
  }

  .messenger-float {
    bottom: 112px;
  }

  .zalo-float {
    bottom: 58px;
  }

  .phone-float-icon,
  .zalo-icon,
  .messenger-icon {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
  }

  .phone-float-text,
  .zalo-text,
  .messenger-text {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .phone-float,
  .product-card,
  .category-tile {
    transition: none;
  }
}

.category-page {
  min-height: 60vh;
}

.category-page > .product-breadcrumbs,
.category-listing {
  width: min(1180px, 84%);
  margin-right: auto;
  margin-left: auto;
}

.category-page-intro {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 88px) 8%;
  color: #fff;
  background:
    radial-gradient(circle at 85% 20%, rgba(184, 237, 105, 0.22), transparent 30%),
    linear-gradient(120deg, #0b2538, #174b40);
}

.category-page-intro::after {
  position: absolute;
  right: 6%;
  bottom: -155px;
  width: 350px;
  height: 350px;
  border: 1px solid rgba(184, 237, 105, 0.2);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 35px rgba(184, 237, 105, 0.035), 0 0 0 70px rgba(184, 237, 105, 0.025);
  pointer-events: none;
}

.category-page-intro > * {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.category-page-intro .eyebrow {
  color: var(--green);
}

.category-page-intro h1 {
  margin: 12px 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
  letter-spacing: -1.8px;
}

.category-page-intro p {
  max-width: 650px;
  margin: 0 0 26px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
}

.category-page-intro .button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.category-listing {
  padding: 64px 0 80px;
}

.category-listing .section-topline {
  margin-bottom: 24px;
}

.category-result-count {
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.category-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 14px;
  margin-bottom: 28px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f7faf9;
}

.category-filters label {
  display: grid;
  min-width: 160px;
  flex: 1 1 160px;
  gap: 6px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 750;
}

.category-filters select {
  width: 100%;
  min-height: 44px;
  padding: 0 36px 0 12px;
  border: 1px solid #d7e2df;
  border-radius: 9px;
  color: var(--text);
  background: #fff;
  font-size: 14px;
}

.category-filters select:focus-visible,
.category-filter-reset:focus-visible {
  outline: 3px solid rgba(36, 116, 71, 0.24);
  outline-offset: 2px;
}

.category-filter-reset {
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid #c8d7d1;
  border-radius: 9px;
  color: var(--green-dark);
  background: #fff;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
}

.category-product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  gap: 22px;
}

.category-product-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 17px;
  background: #fff;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.category-product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(36, 116, 71, 0.3);
  box-shadow: 0 14px 32px rgba(16, 42, 67, 0.1);
}

.category-product-card[hidden] {
  display: none;
}

.category-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.category-pagination[hidden] {
  display: none;
}

.category-pagination-button {
  display: inline-grid;
  min-width: 42px;
  min-height: 42px;
  place-items: center;
  padding: 0 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--green-dark);
  background: #fff;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

.category-pagination-button[aria-current="page"] {
  border-color: var(--green-dark);
  color: #fff;
  background: var(--green-dark);
}

.category-pagination-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.category-pagination-button:focus-visible {
  outline: 3px solid rgba(36, 116, 71, 0.24);
  outline-offset: 2px;
}

.category-pagination-ellipsis {
  color: var(--muted);
  font-weight: 700;
}

.category-product-image {
  position: relative;
  display: grid;
  height: 245px;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, #f7fbf8, #eef5f1);
}

.category-product-image img {
  width: 100%;
  height: 100%;
  padding: 18px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.category-product-card:hover .category-product-image img {
  transform: scale(1.04);
}

.category-product-image > span[aria-hidden="true"] {
  color: #6da947;
  font-size: 54px;
}

.category-product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 10px;
  border: 1px solid rgba(36, 116, 71, 0.15);
  border-radius: 20px;
  color: var(--green-dark);
  background: rgba(255, 255, 255, 0.93);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.category-product-content {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 19px;
}

.category-product-brand {
  color: var(--green-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.category-product-content h3 {
  margin: 5px 0 8px;
  color: var(--navy);
  font-size: 17px;
  line-height: 1.4;
}

.category-product-content h3 a:hover {
  color: var(--green-dark);
}

.category-product-description {
  display: -webkit-box;
  min-height: 42px;
  margin: 0 0 14px;
  overflow: hidden;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.category-product-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 16px;
}

.category-product-specs span {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 5px 8px;
  border-radius: 7px;
  color: #334b3c;
  background: #eff7ef;
  font-size: 11px;
}

.category-product-specs strong {
  color: #52715d;
  font-weight: 700;
}

.category-product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid #edf0f1;
}

.category-product-price {
  color: var(--navy);
  font-size: 15px;
}

.category-product-bottom > a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 5px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
}

.category-no-results,
.category-empty-state {
  padding: 44px 24px;
  border: 1px dashed #cbd9d1;
  border-radius: 16px;
  color: var(--muted);
  background: #f8fbf9;
  text-align: center;
}

.category-empty-state > span {
  color: var(--green-dark);
  font-size: 38px;
}

.category-empty-state h3 {
  margin: 8px 0;
  color: var(--navy);
}

.category-empty-state p {
  margin: 0 0 18px;
}

@media (max-width: 900px) {
  .category-product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .category-page > .product-breadcrumbs,
  .category-listing {
    width: 90%;
  }

  .category-page-intro {
    padding: 48px 5%;
  }

  .category-page-intro h1 {
    font-size: 36px;
  }

  .category-page-intro p {
    font-size: 14px;
  }

  .category-listing {
    padding: 46px 0 56px;
  }

  .category-filters {
    gap: 10px;
    padding: 13px;
  }

  .category-filters label {
    min-width: calc(50% - 5px);
    flex-basis: calc(50% - 5px);
  }

  .category-filter-reset {
    width: 100%;
  }

  .category-product-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .category-product-image {
    height: 230px;
  }
}

.site-search {
  position: relative;
}

.product-suggest-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 1000;
  max-height: 360px;
  overflow-y: auto;
  background: #fff;
  border: 1px solid #e1e8e3;
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
}

.product-suggest-list[hidden] {
  display: none;
}

.product-suggest-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  color: #20372c;
  text-decoration: none;
  border-bottom: 1px solid #edf1ed;
}

.product-suggest-item:hover {
  background: #f5f8f3;
}

.product-suggest-item img {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  object-fit: contain;
}

.product-suggest-details {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.product-suggest-details strong {
  font-size: 14px;
  line-height: 1.4;
}

.product-suggest-price {
  color: #176b45;
  font-size: 13px;
  font-weight: 700;
}

.product-suggest-empty {
  padding: 16px;
  color: #68796e;
  font-size: 14px;
}


/* ==========================================================================
   CHIPVIET SOLAR THEME OVERRIDES
   Xanh lục + viền vàng + nền trắng, cảm hứng năng lượng mặt trời.
   ========================================================================== */
:root {
  --navy: #145c38;
  --navy-deep: #0b3f29;
  --green: #f2c94c;
  --green-dark: #16834a;
  --text: #20352a;
  --muted: #68796e;
  --surface: #ffffff;
  --border: #e8d58a;
  --lime: #f2c94c;
  --page-width: 1240px;
  --solar-green: #16834a;
  --solar-green-deep: #0b3f29;
  --solar-gold: #f2c94c;
  --solar-gold-soft: #fff8dc;
}

html,
body {
  background: #ffffff;
  color: var(--text);
}

.highlight {
  background: linear-gradient(90deg, #16834a 0%, #65b84f 48%, #e6b934 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.topbar {
  background: linear-gradient(90deg, #0b3f29 0%, #16834a 58%, #247c45 100%);
  color: #ffffff;
}

.topbar-inner a,
.navbar .nav-links a:hover,
.navbar nav a:hover,
.nav-products-menu > summary:hover,
.nav-products-menu[open] > summary {
  color: #b88a08;
}

.navbar {
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 2px solid #f2c94c;
  box-shadow: 0 5px 22px rgba(15, 91, 53, 0.07);
}

.brand,
.brand-name,
.product-info h3,
.product-detail-summary h1,
.product-facts dd,
.product-specifications dd,
.section-heading h2,
.benefit-intro h2,
.contact-copy h2,
.product-information-section h2,
.related-products h2 {
  color: #145c38;
}

.brand-mark {
  color: #ffffff;
  background: linear-gradient(135deg, #16834a, #0b3f29);
  border: 2px solid #f2c94c;
  box-shadow: 0 4px 14px rgba(22, 131, 74, 0.18);
}

.nav-cta,
.site-search button {
  color: #ffffff;
  background: linear-gradient(120deg, #16834a 0%, #0b5c37 100%);
  border: 1px solid #f2c94c;
  box-shadow: 0 5px 14px rgba(22, 131, 74, 0.16);
}

.nav-cta:hover {
  color: #173c29;
  background: linear-gradient(120deg, #f8df78 0%, #f2c94c 100%);
}

.hero {
  color: #ffffff;
  background: 
    linear-gradient(rgba(11, 63, 41, 0.5), rgba(11, 63, 41, 0.7)), 
    url('/images/hero-bg.jpg') center/cover no-repeat;
}

.hero-kicker {
  border-color: rgba(242, 201, 76, 0.65);
  color: #ffe99b;
  background: rgba(242, 201, 76, 0.1);
}

.hero h1 span {
  color: #f7d96a;
}

.button-primary,
.lead-form .form-submit {
  color: #123d27;
  background: linear-gradient(115deg, #ffe88a 0%, #f2c94c 48%, #e6b934 100%);
  border: 1px solid #e3b52b;
  box-shadow: 0 7px 20px rgba(226, 181, 43, 0.22);
}

.button-primary:hover,
.lead-form .form-submit:hover {
  filter: brightness(1.04);
  box-shadow: 0 9px 24px rgba(226, 181, 43, 0.3);
}

.button-secondary {
  border: 1px solid rgba(242, 201, 76, 0.72);
  background: rgba(255, 255, 255, 0.08);
}

.hero-product-frame,
.solar-hero-card {
  border: 1px solid rgba(242, 201, 76, 0.72);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(250, 255, 247, 0.96));
  box-shadow: 0 24px 55px rgba(4, 45, 25, 0.2);
}

.solar-hero-card {
  color: #20352a;
}

.solar-hero-card .brand-tag,
.solar-hero-card .energy-metric .label,
.solar-hero-card .info-title {
  color: #68796e;
}

.solar-hero-card .energy-metric .value,
.solar-hero-card .info-val {
  color: #145c38;
}

.solar-hero-card .energy-metric .unit {
  color: #16834a;
}

.solar-hero-card .info-item {
  background: linear-gradient(135deg, #ffffff, #f6fbf4);
  border-color: #e8d58a;
}

.solar-hero-card .info-grid {
  border-top-color: #e8d58a;
}

.solar-hero-card .status-badge {
  color: #145c38;
  background: #edf8e6;
  border-color: #c8e2a9;
}

.product-card,
.benefit-card,
.lead-form,
.related-product-card {
  background: #ffffff;
  border: 1px solid #e8d58a;
  box-shadow: 0 8px 26px rgba(19, 83, 48, 0.06);
}

.product-card:hover,
.benefit-card:hover,
.related-product-card:hover {
  border-color: #d8ad26;
  box-shadow: 0 15px 34px rgba(19, 83, 48, 0.12);
}

.product-visual,
.product-detail-image,
.related-product-image {
  background: linear-gradient(145deg, #ffffff 0%, #fbfdf8 70%, #fff9e4 100%);
}

.product-info a {
  color: #145c38;
  background: #ffffff;
  border-color: #e8d58a;
}

.product-card:hover .product-info a {
  color: #ffffff;
  background: linear-gradient(120deg, #16834a, #0b3f29);
  border-color: #f2c94c;
}

.product-category,
.product-documents li a,
.product-breadcrumbs a:hover {
  color: #16834a;
}

.product-price,
.product-detail-price strong,
.related-product-card > div > strong {
  color: #16834a;
}

.benefits {
  background:
    radial-gradient(ellipse at 95% 0%, rgba(242, 201, 76, 0.12), transparent 32%),
    linear-gradient(180deg, #ffffff 0%, #f8fcf7 100%);
}

.benefit-badge,
.highlight-icon {
  color: #145c38;
  background: linear-gradient(135deg, #f4faee, #fff8dc);
  border: 1px solid #e8d58a;
}

.contact-section,
.product-detail-page {
  background: #ffffff;
}

.lead-form input,
.lead-form textarea,
.lead-form select {
  background: #ffffff;
  border-color: #dfd5a9;
}

.lead-form input:focus,
.lead-form textarea:focus,
.lead-form select:focus {
  border-color: #16834a;
  box-shadow: 0 0 0 3px rgba(22, 131, 74, 0.12);
}

.product-detail-image,
.product-detail-information {
  border-color: #e8d58a;
  background: linear-gradient(145deg, #ffffff 0%, #fbfdf8 72%, #fff9e4 100%);
}

.product-facts > div,
.product-specifications > div,
.product-detail-price {
  border-color: #eee4bb;
}

.product-warranty-note {
  background: linear-gradient(120deg, #eff8e9, #fff9e4);
  border: 1px solid #e8d58a;
}

.product-card-combo {
  border: 2px solid #e4bd37;
  background: linear-gradient(155deg, #fff9df 0%, #ffffff 42%, #f1faed 100%);
  box-shadow: 0 10px 28px rgba(194, 151, 20, 0.16);
}

.product-card-combo .product-visual {
  background: linear-gradient(135deg, #fff9df, #ffffff 58%, #edf8e6);
}

.combo-badge {
  color: #173c29;
  background: linear-gradient(120deg, #ffe88a, #f2c94c);
  border: 1px solid #dcb12c;
}

.product-card-combo .product-price {
  color: #16834a;
}

.product-card-combo .product-contact-link {
  color: #ffffff;
  background: linear-gradient(120deg, #16834a, #0b3f29);
  border-color: #e4bd37;
}

.site-footer {
  background:
    radial-gradient(ellipse at 80% 0%, rgba(242, 201, 76, 0.12), transparent 35%),
    linear-gradient(120deg, #0b3f29 0%, #145c38 60%, #0b4a30 100%);
  color: #f4fbf5;
  border-top: 3px solid #f2c94c;
}

.footer-bottom {
  border-top-color: rgba(242, 201, 76, 0.35);
}

.footer-links a:hover {
  color: #f7d96a;
}

.product-suggest-list {
  border-color: #e8d58a;
  background: #ffffff;
}

.product-suggest-item {
  color: #20352a;
  border-bottom-color: #f0e8c9;
}

.product-suggest-item:hover {
  background: linear-gradient(90deg, #f2faed, #fff9e4);
}

.product-suggest-price {
  color: #16834a;
}

/* Dải viền vàng nhẹ cho các khối tương tác, giữ tổng thể thoáng và sạch. */
.nav-products-panel,
.site-search,
.product-detail-information,
.lead-form {
  border-color: #e8d58a;
}

.nav-products-panel a:hover {
  background: linear-gradient(90deg, #f2faed, #fff9e4);
}

@media (prefers-reduced-motion: no-preference) {
  .product-card,
  .benefit-card,
  .related-product-card,
  .lead-form,
  .hero-product-frame {
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  }
}