:root {
        --bg: #f7f7f4;
        --panel: #ffffff;
        --panel-alt: #f1f4f7;
        --text: #0f1720;
        --text-soft: #42515e;
        --muted: #667684;
        --line: #dfe7ed;
        --accent: #0b4f83;
        --accent-deep: #0b3d63;
        --accent-soft: rgba(11, 79, 131, 0.12);
        --orange: #f57d2a;
        --orange-deep: #e96b1f;
        --dark: #111517;
        --shadow: 0 18px 40px rgba(11, 61, 99, 0.08);
        --radius: 18px;
        --container: 1180px;
      }

      * {
        box-sizing: border-box;
      }

      html {
        scroll-behavior: smooth;
      }

      body {
        position: relative;
        margin: 0;
        font-family: Arial, Helvetica, sans-serif;
        background: linear-gradient(135deg, #f4f2ef 0%, #f8f4ea 40%, #eef4f7 100%);
        color: var(--text);
        line-height: 1.7;
        overflow-x: hidden;
      }

      body::before {
        content: "";
        position: fixed;
        inset: -20%;
        background:
          radial-gradient(circle at 18% 22%, rgba(247, 181, 0, 0.12), transparent 22%),
          radial-gradient(circle at 82% 16%, rgba(11, 79, 131, 0.08), transparent 24%),
          radial-gradient(circle at 60% 76%, rgba(245, 125, 42, 0.08), transparent 26%);
        filter: blur(14px);
        pointer-events: none;
        z-index: 0;
      }

      body > * {
        position: relative;
        z-index: 1;
      }

      @media (prefers-reduced-motion: reduce) {
        html {
          scroll-behavior: auto;
        }

        *,
        *::before,
        *::after {
          animation-duration: 0.01ms !important;
          animation-iteration-count: 1 !important;
          transition-duration: 0.01ms !important;
          scroll-behavior: auto !important;
        }
      }

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

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

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

      button,
      input,
      textarea {
        font: inherit;
      }

      .container {
        width: min(var(--container), calc(100% - 32px));
        margin: 0 auto;
      }

      .section {
        padding: 96px 0;
      }

      .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 0.72rem;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: var(--accent);
        font-weight: 700;
      }

      .eyebrow::before {
        content: "";
        width: 32px;
        height: 1px;
        background: var(--accent);
      }

      h1,
      h2,
      h3,
      h4,
      p {
        margin: 0 0 16px;
      }

      h1 {
        font-size: clamp(2.35rem, 5vw, 4.5rem);
        line-height: 1.05;
        letter-spacing: -0.04em;
      }

      h2 {
        font-size: clamp(2rem, 3vw, 3rem);
        line-height: 1.15;
        letter-spacing: -0.03em;
      }

      h3 {
        font-size: clamp(1.2rem, 2vw, 1.6rem);
        line-height: 1.3;
        letter-spacing: -0.02em;
      }

      p {
        color: var(--text-soft);
        font-size: 1.05rem;
      }

      .site-header {
        position: sticky;
        top: 0;
        z-index: 50;
        overflow: visible;
        backdrop-filter: blur(12px);
        background: rgba(3, 9, 14, 0.96);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }

      .site-header::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(247, 181, 0, 0.08), rgba(11, 79, 131, 0.06), rgba(245, 125, 42, 0.06));
        opacity: 0.75;
        pointer-events: none;
      }

      .site-header::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(3, 9, 14, 0.9), rgba(3, 9, 14, 0.35), rgba(3, 9, 14, 0.9));
        pointer-events: none;
      }

      .nav-wrap {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 74px;
      }

      .brand {
        position: relative;
        z-index: 1;
        display: inline-flex;
        align-items: center;
        gap: 12px;
        font-weight: 900;
        letter-spacing: 0.02em;
        font-size: 0.9rem;
        text-transform: uppercase;
      }

      .brand-mark {
        width: 56px;
        height: auto;
        display: block;
        object-fit: contain;
        filter: drop-shadow(0 8px 18px rgba(11, 79, 131, 0.18));
      }

      .brand-text {
        display: inline-flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 6px;
        color: #ffffff;
      }

      .brand-text .highlight {
        color: var(--orange);
      }

      .nav {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: center;
        gap: 28px;
      }

      .nav a {
        position: relative;
        font-size: 0.82rem;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        color: rgba(255, 255, 255, 0.82);
        transition: color 0.2s ease;
      }

      .nav a::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: -8px;
        width: 100%;
        height: 2px;
        background: var(--orange);
        transform: scaleX(0);
        transform-origin: left center;
        transition: transform 0.2s ease;
      }

      .nav a:hover,
      .nav a:focus-visible {
        color: #ffffff;
      }

      .nav a:hover::after,
      .nav a:focus-visible::after {
        transform: scaleX(1);
      }

      .mobile-menu-button {
        display: none;
        position: relative;
        width: 46px;
        height: 46px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: var(--panel);
        cursor: pointer;
        padding: 0;
      }

      .hamburger-icon,
      .hamburger-icon::before,
      .hamburger-icon::after {
        position: absolute;
        display: block;
        width: 18px;
        height: 2px;
        background: var(--text);
        border-radius: 2px;
        left: 50%;
        transform: translateX(-50%);
        content: "";
      }

      .hamburger-icon {
        top: 50%;
        transform: translate(-50%, -50%);
      }

      .hamburger-icon::before {
        top: -6px;
      }

      .hamburger-icon::after {
        top: 6px;
      }

      .hero {
        padding: 40px 0 48px;
        background: linear-gradient(180deg, #01080d 0%, #071820 100%);
      }

      .hero-grid {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 38px;
        align-items: center;
      }

      .hero-copy {
        max-width: 650px;
        color: #f7b500;
      }

      .hero-copy .hero-subtitle,
      .hero-copy p {
        color: #f7b500;
      }

      .logo-banner {
        margin-bottom: 20px;
        display: inline-flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        border-radius: 16px;
        background: linear-gradient(135deg, rgba(11, 79, 131, 0.08), rgba(245, 125, 42, 0.08));
        border: 1px solid rgba(11, 79, 131, 0.14);
      }

      .logo-banner .brand-mark {
        width: 58px;
        height: auto;
        display: block;
        object-fit: contain;
      }

      .logo-banner .brand-text {
        font-size: 0.8rem;
        letter-spacing: 0.16em;
      }

      .lead {
        display: inline-block;
        margin-bottom: 18px;
        padding: 9px 14px;
        border-radius: 999px;
        background: rgba(247, 181, 0, 0.12);
        color: #d79a00;
        border: 1px solid rgba(247, 181, 0, 0.2);
        font-size: 0.73rem;
        letter-spacing: 0.12em;
        text-transform: uppercase;
        font-weight: 700;
      }

      .hero-subtitle {
        font-size: clamp(1.05rem, 2vw, 1.25rem);
        color: #f7b500;
        max-width: 600px;
        font-weight: 600;
      }

      .button-group {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 28px;
      }

      .button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 48px;
        padding: 0 22px;
        border-radius: 12px;
        border: 1px solid transparent;
        font-size: 0.82rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        font-weight: 700;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
      }

      .button:hover,
      .button:focus-visible {
        transform: translateY(-1px);
      }

      .button-primary {
        background: linear-gradient(135deg, var(--accent) 0%, var(--orange) 100%);
        color: #fff;
        box-shadow: 0 12px 30px rgba(11, 79, 131, 0.18);
      }

      .button-secondary {
        background: transparent;
        color: #ffffff;
        border-color: rgba(255, 255, 255, 0.3);
      }

      .footer-credit {
        margin-top: 12px;
        text-align: center;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
      }

      .footer-credit span,
      .footer-credit a {
        color: #f7b500;
        font-size: 0.72rem;
        letter-spacing: 0.04em;
      }

      .footer-credit a {
        text-decoration: none;
        opacity: 0.9;
        transition: opacity 0.2s ease;
      }

      .footer-credit a:hover,
      .footer-credit a:focus-visible {
        opacity: 1;
        text-decoration: underline;
      }

      .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 28px;
        color: var(--text-soft);
        font-size: 0.93rem;
      }

      .hero-meta strong {
        color: var(--text);
      }

      .hero-visual {
        position: relative;
        min-height: 520px;
      }

      .brand-hero-shell {
        position: relative;
        display: block;
        width: min(100%, 640px);
        margin-left: auto;
        background: #010b11;
        border-radius: 30px;
        padding: 18px 14px 10px;
        box-shadow: 0 28px 60px rgba(0, 0, 0, 0.42);
        border: 1px solid rgba(14, 103, 170, 0.25);
      }

      .brand-hero-art {
        width: 100%;
        height: auto;
        display: block;
      }

      .brand-wordmark {
        margin-top: -6px;
        text-align: center;
        letter-spacing: 0.02em;
      }

      .wordmark-main {
        display: block;
        font-size: clamp(2.9rem, 5vw, 5.8rem);
        line-height: 0.9;
        font-weight: 900;
        letter-spacing: -0.09em;
        color: #0f5f9d;
        text-shadow: 0 0 18px rgba(15, 95, 157, 0.22);
      }

      .wordmark-sub {
        display: block;
        font-size: clamp(0.95rem, 2vw, 2.3rem);
        line-height: 1.1;
        font-weight: 900;
        letter-spacing: -0.055em;
        color: #f47a2c;
      }

      .website-link {
        margin-top: 16px;
        display: inline-block;
        font-size: 1rem;
        color: var(--accent);
        font-weight: 700;
      }

      .about-grid,
      .contact-grid {
        display: grid;
        grid-template-columns: 1.15fr 0.85fr;
        gap: 30px;
      }

      .info-card,
      .contact-box {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
      }

      .info-card {
        padding: 30px;
      }

      .feature-list {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
        margin-top: 28px;
      }

      .feature-item {
        padding: 18px 18px 16px;
        background: var(--panel-alt);
        border-radius: 14px;
        border: 1px solid var(--line);
      }

      .feature-item strong {
        display: block;
        margin-bottom: 8px;
        font-size: 1.04rem;
      }

      .feature-item span {
        color: var(--text-soft);
        font-size: 0.92rem;
      }

      .company-summary {
        display: grid;
        gap: 18px;
      }

      .company-summary .stat {
        padding: 22px 18px 18px;
        border-radius: 16px;
        border: 1px solid var(--line);
        background: var(--panel-alt);
      }

      .company-summary .stat small {
        display: block;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 0.11em;
        margin-bottom: 10px;
        font-size: 0.68rem;
      }

      .company-summary .stat strong {
        font-size: 1.14rem;
        letter-spacing: -0.02em;
      }

      .product-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 22px;
      }

      .product-card {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 24px 20px 18px;
        box-shadow: 0 16px 32px rgba(17, 21, 23, 0.04);
      }

      .product-icon {
        width: 52px;
        height: 52px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 14px;
        background: var(--accent-soft);
        color: var(--accent);
        font-weight: 800;
        letter-spacing: 0.04em;
        margin-bottom: 18px;
      }

      .product-card p {
        margin-bottom: 18px;
      }

      .tag-list {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin: 14px 0 18px;
      }

      .tag {
        display: inline-block;
        padding: 6px 10px;
        border-radius: 999px;
        background: var(--panel-alt);
        border: 1px solid var(--line);
        color: var(--text-soft);
        font-size: 0.71rem;
        letter-spacing: 0.04em;
        text-transform: uppercase;
      }

      .inline-link {
        color: var(--accent);
        font-weight: 700;
        font-size: 0.82rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }

      .advantages-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
        margin-top: 30px;
      }

      .advantage-item {
        display: flex;
        gap: 16px;
        align-items: flex-start;
        padding: 20px;
        border-radius: 16px;
        background: var(--panel);
        border: 1px solid var(--line);
      }

      .advantage-number {
        flex-shrink: 0;
        width: 38px;
        height: 38px;
        display: grid;
        place-items: center;
        border-radius: 12px;
        background: var(--accent-soft);
        color: var(--accent);
        font-weight: 800;
      }

      .process-grid {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 18px;
        margin-top: 32px;
      }

      .process-card {
        position: relative;
        padding: 22px 18px 18px;
        border-radius: 18px;
        background: var(--panel);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
      }

      .process-step {
        color: var(--accent);
        font-weight: 800;
        letter-spacing: 0.1em;
        text-transform: uppercase;
        font-size: 0.72rem;
        margin-bottom: 12px;
      }

      .process-card h3 {
        margin-bottom: 10px;
      }

      .process-card p {
        margin-bottom: 0;
        font-size: 0.96rem;
      }

      .table-wrap {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: 18px;
        overflow: hidden;
        box-shadow: var(--shadow);
      }

      table {
        width: 100%;
        border-collapse: collapse;
      }

      thead th {
        text-align: left;
        background: var(--panel-alt);
        color: var(--text);
        padding: 18px 20px;
        font-size: 0.8rem;
        letter-spacing: 0.08em;
        text-transform: uppercase;
      }

      tbody td {
        padding: 18px 20px;
        border-top: 1px solid var(--line);
        color: var(--text-soft);
      }

      tbody tr:nth-child(even) {
        background: rgba(240, 242, 238, 0.35);
      }

      .shade-blocks {
        display: grid;
        gap: 24px;
      }

      .shade-group {
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 24px;
        box-shadow: var(--shadow);
      }

      .shade-group h3 {
        margin-bottom: 18px;
      }

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

      .shade-card {
        display: flex;
        align-items: center;
        gap: 12px;
        min-height: 62px;
        padding: 12px 14px;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: linear-gradient(180deg, #fcfcfb 0%, #f3f6f4 100%);
      }

      .shade-swatch {
        width: 18px;
        height: 18px;
        border-radius: 50%;
        border: 1px solid rgba(17, 21, 23, 0.1);
        background: linear-gradient(135deg, #d9d6d0 0%, #b7b3ae 100%);
        flex-shrink: 0;
      }

      .shade-card span {
        color: var(--text-soft);
        font-size: 0.92rem;
      }

      .contact-box {
        padding: 28px;
      }

      .contact-list {
        display: grid;
        gap: 16px;
        margin-top: 18px;
      }

      .contact-item {
        padding: 16px 18px;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: var(--panel-alt);
      }

      .contact-item small {
        display: block;
        margin-bottom: 6px;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-size: 0.68rem;
      }

      .contact-item a,
      .contact-item span {
        color: var(--text);
        font-size: 1rem;
      }

      form {
        display: grid;
        gap: 16px;
      }

      .field-row {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
      }

      label {
        display: grid;
        gap: 8px;
        color: var(--text-soft);
        font-size: 0.88rem;
        font-weight: 700;
      }

      input,
      textarea {
        width: 100%;
        border: 1px solid var(--line);
        border-radius: 12px;
        padding: 14px 15px;
        background: #fff;
        color: var(--text);
        resize: vertical;
        min-height: 52px;
      }

      textarea {
        min-height: 140px;
      }

      input:focus,
      textarea:focus {
        outline: 2px solid rgba(29, 77, 79, 0.12);
        border-color: rgba(29, 77, 79, 0.35);
      }

      .success-msg {
        display: none;
        padding: 12px 14px;
        border-radius: 10px;
        background: rgba(29, 77, 79, 0.08);
        color: var(--accent);
        border: 1px solid rgba(29, 77, 79, 0.15);
        font-weight: 700;
      }

      footer {
        position: relative;
        padding: 30px 0 42px;
        border-top: 1px solid var(--line);
        background: linear-gradient(180deg, rgba(12, 19, 23, 0.98) 0%, rgba(10, 19, 27, 0.98) 100%);
        overflow: hidden;
      }

      footer::before {
        content: "";
        position: absolute;
        inset: 0;
        background:
          linear-gradient(120deg, rgba(247, 181, 0, 0.12), rgba(11, 79, 131, 0.08), rgba(245, 125, 42, 0.09)),
          repeating-linear-gradient(
            180deg,
            rgba(255, 255, 255, 0.02) 0,
            rgba(255, 255, 255, 0.02) 1px,
            transparent 1px,
            transparent 10px
          );
        opacity: 0.9;
        pointer-events: none;
      }

      footer::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(247, 181, 0, 0.08), rgba(11, 79, 131, 0.05), rgba(245, 125, 42, 0.05));
        opacity: 0.7;
        pointer-events: none;
      }

      .footer-wrap,
      .copyright {
        position: relative;
        z-index: 1;
      }

      .footer-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        flex-wrap: wrap;
      }

      .footer-brand {
        font-weight: 800;
        letter-spacing: 0.03em;
        text-transform: uppercase;
        font-size: 0.9rem;
        color: #f7b500;
      }

      .footer-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 18px;
        color: #f7f1dc;
        font-size: 0.9rem;
      }

      .footer-meta a {
        color: #f7f1dc;
      }

      .copyright {
        width: 100%;
        margin-top: 18px;
        color: rgba(247, 241, 220, 0.8);
        font-size: 0.85rem;
      }

      @media (max-width: 980px) {
        .hero-grid,
        .about-grid,
        .contact-grid,
        .product-grid,
        .process-grid,
        .shade-list {
          grid-template-columns: 1fr 1fr;
        }

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

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

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

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

      @media (max-width: 760px) {
        .site-header {
          overflow: visible;
        }

        .nav-wrap {
          position: relative;
          z-index: 20;
        }

        .mobile-menu-button {
          display: inline-flex;
          align-items: center;
          justify-content: center;
          width: 46px;
          height: 46px;
          padding: 0;
          border: 1px solid rgba(247, 181, 0, 0.4);
          border-radius: 12px;
          background: linear-gradient(135deg, rgba(247, 181, 0, 0.16), rgba(11, 79, 131, 0.2));
          cursor: pointer;
          transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .mobile-menu-button:hover,
        .mobile-menu-button:focus-visible {
          transform: translateY(-1px);
          box-shadow: 0 10px 24px rgba(11, 79, 131, 0.22);
        }

        .hamburger-icon,
        .hamburger-icon::before,
        .hamburger-icon::after {
          background: #fff;
        }

        .nav {
          position: absolute;
          top: calc(100% + 10px);
          left: 14px;
          right: 14px;
          display: flex;
          flex-direction: column;
          align-items: stretch;
          gap: 10px;
          padding: 18px 16px;
          background: rgba(8, 16, 22, 0.98);
          border: 1px solid rgba(247, 181, 0, 0.22);
          border-radius: 18px;
          box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
          opacity: 0;
          pointer-events: none;
          transform: translateY(-10px);
          transition: all 0.22s ease;
        }

        .nav.is-open {
          opacity: 1;
          pointer-events: auto;
          transform: translateY(0);
        }

        .nav a {
          width: 100%;
          padding: 9px 12px;
          border-radius: 10px;
          font-size: 0.72rem;
          color: #f7f1dc;
          letter-spacing: 0.08em;
        }

        .nav a:hover,
        .nav a:focus-visible {
          background: rgba(247, 181, 0, 0.08);
        }

        .nav a::after {
          display: none;
        }

        .about-grid,
        .contact-grid,
        .product-grid,
        .process-grid,
        .shade-list,
        .advantages-grid,
        .feature-list,
        .field-row {
          grid-template-columns: 1fr;
        }

        .hero {
          padding-top: 52px;
        }

        .section {
          padding: 72px 0;
        }

        .visual-card {
          position: relative;
          inset: auto;
          min-height: 360px;
        }

        .hero-visual {
          min-height: 320px;
        }

        .visual-grid {
          inset: 90px 18px 18px 18px;
        }

        .button-group {
          flex-direction: column;
          width: 100%;
        }

        .button {
          width: 100%;
        }

        thead {
          display: none;
        }

        table,
        tbody,
        tr,
        td {
          display: block;
          width: 100%;
        }

        tbody tr {
          padding: 10px 0;
        }

        tbody td {
          border-top: none;
          border-bottom: 1px solid var(--line);
          padding: 10px 18px;
        }

        tbody td::before {
          content: attr(data-label);
          display: block;
          margin-bottom: 4px;
          color: var(--text);
          font-size: 0.72rem;
          letter-spacing: 0.09em;
          text-transform: uppercase;
          font-weight: 700;
        }
      }