:root {
        --container: 1240px;
        --green: #27ae60;
        --green-dark: #1f9a53;
        --navy: #0f2233;
        --dark: #1f1f1f;
        --text: #26323d;
        --muted: #6b7280;
        --border: #e5e7eb;
        --footer: #111317;
        --shadow: 0 10px 40px rgba(0, 0, 0, 0.18);
      }

      * {
        box-sizing: border-box;
      }

      html {
        scroll-behavior: smooth;
      }

      body {
        margin: 0;
        font-family: Arial, Helvetica, sans-serif;
        color: var(--text);
        background: #fff;
      }

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

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

      .container {
        width: min(var(--container), calc(100% - 48px));
        margin: 0 auto;
      }

      .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
      }

      .header-shell {
        background: #fff;
        border-bottom: 1px solid var(--border);
      }

      .site-header.scrolled .header-shell {
        background: rgba(31, 31, 31, 0.98);
        color: #fff;
        box-shadow: var(--shadow);
        border-bottom-color: transparent;
      }

      .header-inner {
        padding: 20px 0 16px;
      }

      .site-header.scrolled .header-inner {
        padding: 14px 0 12px;
      }

      .header-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 24px;
      }

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

      .logo-icon {
        width: 48px;
        height: 48px;
        border-radius: 999px;
        border: 2px solid #111827;
        display: flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 auto;
      }

      .logo svg {
        width: 28px;
        height: 28px;
      }

      .site-header:not(.scrolled) .logo svg path {
        stroke: #111827;
      }

      .site-header.scrolled .logo svg path {
        stroke: #fff;
      }

      .site-header.scrolled .logo-icon {
        border-color: #fff;
      }

      .logo-title {
        display: block;
        font-size: 28px;
        line-height: 1;
        font-weight: 800;
        letter-spacing: -0.03em;
        color: #111827;
      }

      .logo-subtitle {
        display: block;
        margin-top: 3px;
        font-size: 10px;
        font-weight: 600;
        letter-spacing: 0.24em;
        text-transform: uppercase;
        color: #6b7280;
      }

      .site-header.scrolled .logo-title {
        color: #fff;
      }

      .site-header.scrolled .logo-subtitle {
        color: rgba(255, 255, 255, 0.8);
      }

      .header-contact {
        display: flex;
        align-items: center;
        gap: 40px;
        font-size: 14px;
        color: #4b5563;
        max-height: 80px;
        opacity: 1;
        overflow: hidden;
        transition: opacity 0.2s ease, max-height 0.28s ease, margin 0.28s ease;
      }

      .header-contact strong {
        display: block;
        font-size: 15px;
        color: #1f2937;
      }

      .header-contact .phone strong {
        color: var(--green);
      }

      .site-header.scrolled .header-contact {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        max-height: 0;
        margin: 0;
        overflow: hidden;
      }

      .main-nav {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 32px;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid #f1f5f9;
        font-size: 14px;
        font-weight: 500;
        color: #334155;
      }

      .main-nav a {
        transition: color 0.25s ease;
      }

      .main-nav a:hover {
        color: var(--green);
      }

      .site-header.scrolled .main-nav {
        margin-top: 0;
        padding-top: 0;
        border-top-color: transparent;
        gap: 56px;
        font-size: 15px;
        color: #fff;
      }

      .site-header.scrolled .main-nav a:hover {
        color: #52d88b;
      }

      .hero-wrap {
        padding: 16px 0 0;
      }

      .hero {
        position: relative;
        min-height: 540px;
        background: #0f172a;
        overflow: hidden;
      }

      .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background:
          linear-gradient(180deg, rgba(7, 20, 35, 0.25), rgba(7, 20, 35, 0.8)),
          url("https://images.unsplash.com/photo-1500382017468-9049fed747ef?auto=format&fit=crop&w=1600&q=80")
            center/cover no-repeat;
      }

      .hero-content {
        position: relative;
        z-index: 1;
        min-height: 540px;
        display: flex;
        align-items: center;
        padding: 0 64px;
      }

      .hero-copy {
        max-width: 760px;
        color: #fff;
      }

      .hero h1 {
        margin: 0;
        font-size: 64px;
        line-height: 1.08;
        font-weight: 800;
      }

      .hero p {
        max-width: 560px;
        margin: 20px 0 0;
        font-size: 19px;
        line-height: 1.6;
        color: #e2e8f0;
      }

      .btn {
        display: inline-flex;
        margin-top: 32px;
        padding: 14px 34px;
        border-radius: 999px;
        background: var(--green);
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        transition: transform 0.2s ease, background 0.2s ease;
      }

      .btn:hover {
        transform: scale(1.02);
        background: var(--green-dark);
      }

      .hero-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        z-index: 2;
        width: 40px;
        height: 56px;
        border: 0;
        background: rgba(255, 255, 255, 0.9);
        color: #334155;
        font-size: 30px;
        cursor: pointer;
      }

      .hero-arrow.left {
        left: 16px;
      }

      .hero-arrow.right {
        right: 16px;
      }

      .about {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 56px;
        align-items: center;
        padding: 96px 0;
      }

      .section-title-row {
        display: flex;
        align-items: center;
        gap: 16px;
        margin-bottom: 24px;
      }

      .section-title-row h2 {
        margin: 0;
        font-size: 56px;
        font-weight: 800;
        letter-spacing: -0.03em;
        color: #1f2937;
      }

      .section-line {
        width: 56px;
        height: 4px;
        border-radius: 999px;
        background: var(--green);
        margin-top: 8px;
      }

      .about .lead {
        max-width: 840px;
        margin: 0;
        font-size: 21px;
        line-height: 1.65;
        font-style: italic;
        color: #374151;
      }

      .about .text {
        max-width: 840px;
        margin: 32px 0 0;
        font-size: 18px;
        line-height: 1.8;
        color: #6b7280;
      }

      .about-image-box {
        display: flex;
        justify-content: flex-end;
      }

      .about-frame {
        position: relative;
        width: 360px;
        height: 430px;
      }

      .about-frame::before {
        content: "";
        position: absolute;
        right: 0;
        top: 0;
        width: 92%;
        height: 88%;
        border: 14px solid var(--green);
      }

      .about-frame img {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 300px;
        height: 360px;
        object-fit: cover;
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
      }

      .products {
        background: var(--navy);
        color: #fff;
        padding: 96px 0;
      }

      .section-head {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 40px;
      }

      .section-head h2 {
        margin: 0;
        font-size: 42px;
        font-weight: 800;
        letter-spacing: -0.03em;
      }

      .products-grid {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 24px;
      }

      .product-card {
        overflow: hidden;
        border-radius: 28px;
        background: rgba(255, 255, 255, 0.05);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
        outline: 1px solid rgba(255, 255, 255, 0.1);
        transition: transform 0.3s ease, background 0.3s ease;
      }

      .product-card:hover {
        transform: translateY(-4px);
        background: rgba(255, 255, 255, 0.1);
      }

      .product-bg {
        height: 288px;
        padding: 24px;
        background:
          linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.15)),
          url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=900&q=80")
            center/cover no-repeat;
      }

      .product-bag {
        width: 160px;
        height: 208px;
        margin: 16px auto 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 45% 45% 16px 16px;
        background: rgba(255, 255, 255, 0.85);
        text-align: center;
        box-shadow: 0 24px 48px rgba(0, 0, 0, 0.22);
        font-size: 36px;
        font-weight: 800;
        text-transform: uppercase;
        color: #1f2937;
        transition: transform 0.3s ease;
      }

      .product-card:hover .product-bag {
        transform: scale(1.03);
      }

      .features {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 56px;
        padding: 80px 0;
      }

      .features h2 {
        margin: 0;
        font-size: 42px;
        font-weight: 800;
        letter-spacing: -0.03em;
        color: #1f2937;
      }

      .mini-gallery {
        margin-top: 32px;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
      }

      .mini-gallery img {
        height: 160px;
        width: 100%;
        object-fit: cover;
        border-radius: 18px;
      }

      .features .lead {
        margin: 32px 0 0;
        font-size: 24px;
        line-height: 1.65;
        font-style: italic;
        color: #374151;
      }

      .features .text {
        margin: 20px 0 0;
        font-size: 18px;
        line-height: 1.8;
        color: #6b7280;
      }

      .accordion {
        margin-top: 32px;
        display: grid;
        gap: 16px;
      }

      .accordion details {
        border: 1px solid #e5e7eb;
        border-radius: 20px;
        background: #fff;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
        transition: box-shadow 0.25s ease;
      }

      .accordion details:hover {
        box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
      }

      .accordion summary {
        list-style: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 18px 20px;
        font-size: 15px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        color: #1f2937;
      }

      .accordion summary::-webkit-details-marker {
        display: none;
      }

      .accordion-icon {
        width: 24px;
        height: 24px;
        flex: 0 0 auto;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
        background: var(--green);
        color: #fff;
        font-size: 14px;
        font-weight: 700;
      }

      .accordion .content {
        padding: 0 20px 20px;
        font-size: 17px;
        line-height: 1.7;
        color: #6b7280;
      }

      .factory-banner {
        position: relative;
        min-height: 320px;
        overflow: hidden;
        background: #0f172a;
      }

      .factory-banner::before {
        content: "";
        position: absolute;
        inset: 0;
        background:
          linear-gradient(90deg, rgba(15, 23, 42, 0.82), rgba(15, 23, 42, 0.35)),
          url("https://images.unsplash.com/photo-1581092921461-eab62e97a780?auto=format&fit=crop&w=1600&q=80")
            center/cover no-repeat;
      }

      .factory-content {
        position: relative;
        z-index: 1;
        min-height: 320px;
        display: flex;
        align-items: center;
        padding: 40px 56px;
        color: #fff;
      }

      .factory-note {
        margin: 0 0 16px;
        font-size: 22px;
        font-style: italic;
        color: #e2e8f0;
      }

      .factory-content h2 {
        margin: 0;
        font-size: 64px;
        line-height: 1.06;
        font-weight: 800;
      }

      .factory-content p {
        margin: 24px 0 0;
        font-size: 20px;
        color: #e2e8f0;
      }

      .site-footer {
        background: var(--footer);
        color: #cbd5e1;
      }

      .footer-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 48px;
        padding: 64px 0;
      }

      .site-footer .logo-title {
        color: #fff;
      }

      .site-footer .logo-subtitle {
        color: #4ade80;
      }

      .site-footer .logo-icon {
        border-color: #fff;
      }

      .site-footer .logo svg path {
        stroke: #fff;
      }

      .footer-text {
        margin-top: 24px;
        font-size: 17px;
        line-height: 1.7;
        color: #94a3b8;
      }

      .footer-title {
        margin: 0;
        font-size: 22px;
        font-weight: 700;
        color: #fff;
      }

      .footer-line {
        width: 40px;
        height: 4px;
        margin-top: 10px;
        border-radius: 999px;
        background: var(--green);
      }

      .footer-list,
      .footer-contact {
        margin: 24px 0 0;
        padding: 0;
        list-style: none;
        display: grid;
        gap: 14px;
        color: #94a3b8;
        font-size: 17px;
      }

      .footer-list a:hover {
        color: #fff;
      }

      .footer-contact strong {
        color: #fff;
      }

      .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
      }

      .footer-bottom-inner {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        padding: 20px 0;
        font-size: 14px;
        color: #64748b;
      }

      @media (max-width: 1100px) {
        .products-grid,
        .footer-grid {
          grid-template-columns: repeat(2, 1fr);
        }

        .about,
        .features {
          grid-template-columns: 1fr;
        }

        .about-image-box {
          justify-content: center;
        }
      }

      @media (max-width: 860px) {
        .container {
          width: min(var(--container), calc(100% - 28px));
        }

        .header-top {
          flex-direction: column;
          align-items: flex-start;
        }

        .header-contact {
          gap: 22px;
          flex-wrap: wrap;
        }

        .main-nav {
          justify-content: flex-start;
          flex-wrap: wrap;
          gap: 18px;
        }

        .site-header.scrolled .main-nav {
          gap: 24px;
        }

        .hero-content,
        .factory-content {
          padding: 32px 24px;
        }

        .hero h1,
        .factory-content h2 {
          font-size: 42px;
        }

        .section-title-row h2,
        .section-head h2,
        .features h2 {
          font-size: 34px;
        }

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

        .about-frame {
          width: 300px;
          height: 370px;
        }

        .about-frame img {
          width: 250px;
          height: 305px;
        }

        .footer-bottom-inner {
          flex-direction: column;
          align-items: flex-start;
        }
      }

      @media (max-width: 560px) {
        .hero h1,
        .factory-content h2 {
          font-size: 34px;
        }

        .hero p,
        .factory-content p,
        .factory-note,
        .about .lead,
        .about .text,
        .features .lead,
        .features .text,
        .footer-text,
        .footer-list,
        .footer-contact {
          font-size: 16px;
        }

        .section-title-row h2,
        .section-head h2,
        .features h2 {
          font-size: 30px;
        }

        .logo-title {
          font-size: 24px;
        }

        .hero {
          min-height: 460px;
        }

        .hero-content {
          min-height: 460px;
        }
      }