/* ============================================================
       BASE RESET & VARIABLES
    ============================================================ */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    :root {
      --color-black:      #000000;
      --color-dark-gray:  #404040;
      --color-mid-gray:   #808080;
      --color-light-gray: #D9D9D9;
      --color-off-white:  #F5F5F5;
      --color-white:      #FFFFFF;
      --color-red:        #FF0000;
      --color-red-dark:   #ff0000;

      --font-stack: Calibri, Carlito, "Segoe UI", Arial, sans-serif;

      --max-width: 1160px;
      --section-pad: 80px 24px;
      --section-pad-sm: 48px 24px;

      --border: 1px solid var(--color-light-gray);
      --border-dark: 1px solid var(--color-dark-gray);
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }

    body {
      font-family: var(--font-stack);
      color: var(--color-black);
      background: var(--color-white);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

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

    ul {
      list-style: none;
    }

    /* ============================================================
       TYPOGRAPHY
    ============================================================ */
    h1, h2, h3, h4 {
      font-family: var(--font-stack);
      font-weight: 700;
      line-height: 1.2;
      letter-spacing: -0.01em;
    }

    h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
    h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
    h3 { font-size: clamp(1rem, 2.2vw, 1.25rem); }
    h4 { font-size: 1rem; font-weight: 600; }

    p { margin-bottom: 1em; }
    p:last-child { margin-bottom: 0; }

    .section-label {
      display: block;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--color-red);
      margin-bottom: 12px;
    }

    /* ============================================================
       LAYOUT UTILITIES
    ============================================================ */
    .container {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ============================================================
       BUTTONS
    ============================================================ */
    .btn {
      display: inline-block;
      font-family: var(--font-stack);
      font-size: 0.9rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      padding: 14px 28px;
      border: 2px solid transparent;
      cursor: pointer;
      transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
      white-space: nowrap;
    }

    .btn--primary {
      background: var(--color-red);
      color: var(--color-white);
      border-color: var(--color-red);
    }

    .btn--primary:hover,
    .btn--primary:focus {
      background: var(--color-red-dark);
      border-color: var(--color-red-dark);
      outline: none;
    }

    .btn--secondary {
      background: transparent;
      color: var(--color-black);
      border-color: var(--color-black);
    }

    .btn--secondary:hover,
    .btn--secondary:focus {
      background: var(--color-black);
      color: var(--color-white);
      outline: none;
    }

    .btn--outline-white {
      background: transparent;
      color: var(--color-white);
      border-color: var(--color-white);
    }

    .btn--outline-white:hover,
    .btn--outline-white:focus {
      background: var(--color-white);
      color: var(--color-black);
      outline: none;
    }

    /* ============================================================
       SITE HEADER
    ============================================================ */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--color-white);
      border-bottom: var(--border);
    }

    .site-header__inner {
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    /* Logo */
    .site-header__logo {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
      text-decoration: none;
    }

    .site-header__logo-mark {
      width: 36px;
      height: 36px;
      background: var(--color-black);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .site-header__logo-mark svg {
      width: 22px;
      height: 22px;
    }

    .site-header__logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    

    .site-header__logo-text .brand-p2p {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-black);
      letter-spacing: -0.01em;
    }

    .brand-p2p span {
      color: var(--color-red);
    }

    /* Nav */
    .site-nav {
      flex: 1;
    }

    .site-nav__list {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }

    .site-nav__list a {
      font-size: 0.82rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      color: var(--color-dark-gray);
      padding: 8px 10px;
      display: block;
      transition: color 0.12s;
    }

    .site-nav__list a:hover {
      color: var(--color-black);
    }

    .site-header__cta {
      flex-shrink: 0;
    }

    /* Mobile menu toggle */
    .nav-toggle {
      display: none;
      background: none;
      border: none;
      cursor: pointer;
      padding: 8px;
      color: var(--color-black);
    }

    @media (max-width: 900px) {
      .site-nav {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--color-white);
        border-bottom: var(--border);
        padding: 16px 24px;
      }

      .site-nav.is-open {
        display: block;
      }

      .site-nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
      }

      .site-nav__list a {
        padding: 12px 0;
        font-size: 0.9rem;
        width: 100%;
        border-bottom: var(--border);
      }

      .site-nav__list li:last-child a {
        border-bottom: none;
      }

      .nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
      }

      .site-header__cta {
        display: none;
      }
    }

    /* ============================================================
       PAGE HEADER (DARK)
    ============================================================ */
    .page-header {
      background: var(--color-black);
      color: var(--color-white);
      padding: 56px 24px 48px;
      border-bottom: 3px solid var(--color-red);
    }

    .page-header__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .page-header__breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 24px;
      font-size: 0.78rem;
      font-weight: 600;
      letter-spacing: 0.04em;
    }

    .page-header__breadcrumb a {
      color: var(--color-mid-gray);
      transition: color 0.12s;
    }

    .page-header__breadcrumb a:hover {
      color: var(--color-light-gray);
    }

    .page-header__breadcrumb-sep {
      color: #555;
      font-size: 0.65rem;
    }

    .page-header__breadcrumb-current {
      color: var(--color-light-gray);
    }

    .page-header h1 {
      color: var(--color-white);
      margin-bottom: 16px;
    }

    .page-header__desc {
      font-size: 1.05rem;
      color: var(--color-light-gray);
      max-width: 640px;
      line-height: 1.6;
      margin-bottom: 0;
    }

    /* ============================================================
       FORM LAYOUT
    ============================================================ */
    .rfq-section {
      background: var(--color-white);
      padding: 64px 24px 80px;
    }

    .rfq-section__inner {
      max-width: var(--max-width);
      margin: 0 auto;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 56px;
      align-items: start;
    }

    @media (max-width: 900px) {
      .rfq-section__inner {
        grid-template-columns: 1fr;
        gap: 40px;
      }
    }

    /* ============================================================
       FORM STYLES
    ============================================================ */
    .rfq-form__section {
      margin-bottom: 48px;
      padding-bottom: 48px;
      border-bottom: var(--border);
    }

    .rfq-form__section:last-of-type {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .rfq-form__section-title {
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--color-red);
      margin-bottom: 6px;
    }

    .rfq-form__section-heading {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--color-black);
      margin-bottom: 28px;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }

    .form-row--single {
      grid-template-columns: 1fr;
    }

    @media (max-width: 640px) {
      html,
      body {
        max-width: 100%;
        overflow-x: hidden;
      }

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

      .rfq-section,
      .rfq-section__inner,
      .rfq-form__col,
      #rfq-form,
      .rfq-form__section,
      .form-row,
      .form-field {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        overflow-x: clip;
      }
    }

    .form-field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .form-label {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--color-black);
      letter-spacing: 0.02em;
    }

    .form-label .required-mark {
      color: var(--color-red);
      margin-left: 2px;
    }

    .form-input,
    .form-select,
    .form-textarea {
      font-family: var(--font-stack);
      font-size: 0.9rem;
      color: var(--color-black);
      background: var(--color-white);
      border: 1px solid var(--color-dark-gray);
      padding: 10px 12px;
      width: 100%;
      outline: none;
      transition: border-color 0.12s, box-shadow 0.12s;
      appearance: none;
      -webkit-appearance: none;
    }

    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      border-color: var(--color-black);
      box-shadow: 0 0 0 2px rgba(0,0,0,0.08);
    }

    .form-input::placeholder,
    .form-textarea::placeholder {
      color: var(--color-mid-gray);
    }

    .form-select {
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23404040' stroke-width='1.5' fill='none' stroke-linecap='square'/%3E%3C/svg%3E");
      background-repeat: no-repeat;
      background-position: right 12px center;
      padding-right: 32px;
      cursor: pointer;
    }

    .form-textarea {
      resize: vertical;
      min-height: 80px;
    }

    .form-hint {
      font-size: 0.75rem;
      color: var(--color-mid-gray);
      line-height: 1.4;
    }

    /* File input */
    .form-file-wrap {
      border: 1px dashed var(--color-dark-gray);
      padding: 16px;
      background: var(--color-off-white);
    }

    .form-file-wrap input[type="file"] {
      font-family: var(--font-stack);
      font-size: 0.85rem;
      color: var(--color-dark-gray);
      width: 100%;
      cursor: pointer;
    }

    /* Note box */
    .form-note {
      background: var(--color-off-white);
      border-left: 3px solid var(--color-dark-gray);
      padding: 14px 16px;
      font-size: 0.82rem;
      color: var(--color-dark-gray);
      line-height: 1.55;
      margin-bottom: 24px;
    }

    .form-note--red {
      border-left-color: var(--color-red);
    }

    /* Materials grid */
    .material-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 8px;
      margin-bottom: 8px;
    }

    @media (max-width: 700px) {
      .material-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 480px) {
      .material-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    .material-option {
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--color-dark-gray);
      padding: 8px 10px;
      border: 1px solid var(--color-light-gray);
      background: var(--color-white);
      transition: border-color 0.1s, background 0.1s, color 0.1s;
      user-select: none;
    }

    .material-option:hover {
      border-color: var(--color-dark-gray);
      color: var(--color-black);
    }

    .material-option input[type="checkbox"] {
      width: 14px;
      height: 14px;
      accent-color: var(--color-black);
      flex-shrink: 0;
      cursor: pointer;
    }

    .material-option:has(input:checked) {
      border-color: var(--color-black);
      background: var(--color-black);
      color: var(--color-white);
    }

    /* Radio & checkbox groups */
    .radio-group,
    .checkbox-group {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .radio-option,
    .checkbox-option {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      cursor: pointer;
      font-size: 0.88rem;
      color: var(--color-dark-gray);
      line-height: 1.4;
    }

    .radio-option input[type="radio"],
    .checkbox-option input[type="checkbox"] {
      width: 16px;
      height: 16px;
      accent-color: var(--color-black);
      flex-shrink: 0;
      margin-top: 2px;
      cursor: pointer;
    }

    .radio-option__text,
    .checkbox-option__text {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--color-black);
    }

    .radio-option__sub {
      display: block;
      font-size: 0.78rem;
      font-weight: 400;
      color: var(--color-mid-gray);
      margin-top: 2px;
    }



    @media (max-width: 480px) {
      .btn--submit {
        box-sizing: border-box;
        width: 100%;
        max-width: 100%;
        padding: 16px 18px;
        white-space: normal;
        text-align: center;
      }
    }

    /* Privacy checkbox */
    .privacy-check {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 20px 0;
      border-top: var(--border);
      border-bottom: var(--border);
      margin-bottom: 28px;
    }

    .privacy-check input[type="checkbox"] {
      width: 18px;
      height: 18px;
      accent-color: var(--color-black);
      flex-shrink: 0;
      margin-top: 2px;
      cursor: pointer;
    }

    .privacy-check label {
      font-size: 0.85rem;
      color: var(--color-dark-gray);
      cursor: pointer;
      line-height: 1.5;
    }

    .privacy-check label a {
      color: var(--color-black);
      text-decoration: underline;
      font-weight: 600;
    }

    .privacy-check label a:hover {
      color: var(--color-red);
    }

    /* Submit area */
    .rfq-submit {
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      gap: 16px;
    }

    .btn--submit {
      font-size: 1rem;
      padding: 18px 40px;
      letter-spacing: 0.06em;
    }

    .rfq-submit__privacy-note {
      font-size: 0.75rem;
      color: var(--color-mid-gray);
      line-height: 1.5;
    }

    /* Confirmation message */
    .form-confirm {
      display: none;
      background: var(--color-off-white);
      border: 1px solid var(--color-dark-gray);
      border-left: 4px solid var(--color-black);
      padding: 28px 32px;
      margin-top: 32px;
    }

    .form-confirm.is-visible {
      display: block;
    }

    .form-confirm__icon {
      width: 40px;
      height: 40px;
      background: var(--color-black);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 16px;
    }

    .form-confirm__icon svg {
      stroke: var(--color-white);
      fill: none;
      stroke-width: 2.5;
      stroke-linecap: square;
    }

    .form-confirm h3 {
      font-size: 1.1rem;
      color: var(--color-black);
      margin-bottom: 10px;
    }

    .form-confirm p {
      font-size: 0.9rem;
      color: var(--color-dark-gray);
      line-height: 1.6;
    }

    /* Hidden field */
    .field-hidden {
      display: none;
    }

    /* Validation states */
    .form-input.is-invalid,
    .form-select.is-invalid,
    .form-textarea.is-invalid {
      border-color: var(--color-red);
    }

    .form-error {
      font-size: 0.75rem;
      color: var(--color-red);
      font-weight: 600;
    }

    /* ============================================================
       SIDEBAR
    ============================================================ */
    .rfq-sidebar {
      display: flex;
      flex-direction: column;
      gap: 0;
      position: sticky;
      top: 80px;
    }

    .sidebar-block {
      border: var(--border-dark);
      padding: 28px 24px;
      margin-bottom: 20px;
    }

    .sidebar-block:last-child {
      margin-bottom: 0;
    }

    .sidebar-block__label {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--color-red);
      margin-bottom: 10px;
      display: block;
    }

    .sidebar-block__heading {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-black);
      margin-bottom: 20px;
    }

    /* Steps list in sidebar */
    .sidebar-steps {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .sidebar-steps__item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding-bottom: 20px;
      position: relative;
    }

    .sidebar-steps__item:not(:last-child)::after {
      content: '';
      position: absolute;
      left: 15px;
      top: 32px;
      bottom: 0;
      width: 1px;
      background: var(--color-light-gray);
    }

    .sidebar-steps__item:last-child {
      padding-bottom: 0;
    }

    .sidebar-steps__num {
      width: 32px;
      height: 32px;
      background: var(--color-black);
      color: var(--color-white);
      font-size: 0.78rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      position: relative;
      z-index: 1;
    }

    .sidebar-steps__num--red {
      background: var(--color-red);
    }

    .sidebar-steps__body {
      padding-top: 6px;
    }

    .sidebar-steps__title {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--color-black);
      line-height: 1.3;
      margin-bottom: 4px;
    }

    .sidebar-steps__desc {
      font-size: 0.78rem;
      color: var(--color-dark-gray);
      line-height: 1.45;
    }

    .sidebar-steps__arrow {
      font-size: 0.75rem;
      color: var(--color-mid-gray);
      margin: 4px 0 0 46px;
      display: block;
    }

    /* Contact block */
    .sidebar-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.85rem;
      color: var(--color-dark-gray);
      margin-bottom: 12px;
    }

    .sidebar-contact-item:last-child {
      margin-bottom: 0;
    }

    .sidebar-contact-item svg {
      width: 14px;
      height: 14px;
      stroke: var(--color-dark-gray);
      fill: none;
      stroke-width: 2;
      flex-shrink: 0;
      margin-top: 3px;
    }

    .sidebar-contact-item a {
      color: var(--color-black);
      font-weight: 600;
      text-decoration: underline;
    }

    .sidebar-contact-item a:hover {
      color: var(--color-red);
    }

    /* Confidentiality note */
    .sidebar-confidentiality {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.78rem;
      color: var(--color-dark-gray);
      line-height: 1.5;
      background: var(--color-off-white);
      padding: 14px 16px;
      border: var(--border);
    }

    .sidebar-confidentiality svg {
      width: 14px;
      height: 14px;
      stroke: var(--color-dark-gray);
      fill: none;
      stroke-width: 2;
      flex-shrink: 0;
      margin-top: 2px;
    }

    @media (max-width: 900px) {
      .rfq-sidebar {
        position: static;
      }
    }

    /* ============================================================
       TECHNICAL INFO BLOCK
    ============================================================ */
    .tech-info {
      background: var(--color-off-white);
      border-top: var(--border);
      border-bottom: var(--border);
      padding: var(--section-pad-sm);
    }

    .tech-info__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .tech-info__header {
      margin-bottom: 40px;
    }

    .tech-info__header h2 {
      margin-bottom: 8px;
    }

    .tech-info__header p {
      color: var(--color-dark-gray);
      font-size: 0.95rem;
    }

    .tech-info__grid {
      box-sizing: border-box;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 0;
      border: var(--border-dark);
    }

    .tech-info__col {
      box-sizing: border-box;
      min-width: 0;
      padding: 28px 24px;
      border-right: var(--border-dark);
    }

    .tech-info__col:last-child {
      border-right: none;
    }

    .tech-info__col-label {
      font-size: 0.65rem;
      font-weight: 700;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--color-red);
      margin-bottom: 8px;
      display: block;
    }

    .tech-info__col h3 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--color-black);
      margin-bottom: 16px;
    }

    .tech-info__list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .tech-info__list li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 0.82rem;
      color: var(--color-dark-gray);
      line-height: 1.45;
    }

    .tech-info__list li::before {
      content: '';
      display: block;
      width: 5px;
      height: 5px;
      background: var(--color-dark-gray);
      flex-shrink: 0;
      margin-top: 7px;
    }

    .tech-info__list li strong {
      color: var(--color-black);
    }

    @media (max-width: 760px) {
      .tech-info__grid {
        grid-template-columns: 1fr;
      }

      .tech-info__col {
        border-right: none;
        border-bottom: var(--border-dark);
      }

      .tech-info__col:last-child {
        border-bottom: none;
      }
    }

    /* ============================================================
       SITE FOOTER
    ============================================================ */
    .site-footer {
      background: var(--color-dark-gray);
      color: var(--color-light-gray);
      padding: 56px 24px 32px;
    }

    .site-footer__inner {
      max-width: var(--max-width);
      margin: 0 auto;
    }

    .site-footer__grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid #555;
    }

    .footer-brand__logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }

    .footer-brand__logo-mark {
      width: 32px;
      height: 32px;
      background: var(--color-white);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .footer-brand__logo-mark svg {
      width: 18px;
      height: 18px;
      stroke: var(--color-black);
      fill: none;
      stroke-width: 2;
    }

    .footer-brand__name {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-white);
    }

    .footer-brand__desc {
      font-size: 0.82rem;
      line-height: 1.6;
      color: #aaa;
      max-width: 280px;
    }

    .footer-col h4 {
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--color-white);
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-col ul li a {
      font-size: 0.82rem;
      color: #aaa;
      transition: color 0.12s;
    }

    .footer-col ul li a:hover {
      color: var(--color-white);
    }

    .footer-contact-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.82rem;
      color: #aaa;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .footer-contact-item svg {
      width: 14px;
      height: 14px;
      stroke: var(--color-mid-gray);
      fill: none;
      stroke-width: 2;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .footer-contact-item a {
      color: #aaa;
      transition: color 0.12s;
    }

    .footer-contact-item a:hover {
      color: var(--color-white);
    }

    .site-footer__bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding-top: 24px;
      font-size: 0.75rem;
      color: #777;
      flex-wrap: wrap;
    }

    .site-footer__bottom a {
      color: #777;
      transition: color 0.12s;
    }

    .site-footer__bottom a:hover {
      color: var(--color-light-gray);
    }

    @media (max-width: 900px) {
      .site-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
      .footer-brand {
        grid-column: 1 / -1;
      }
    }

    @media (max-width: 500px) {
      .site-footer__grid {
        grid-template-columns: 1fr;
      }
    }

    /* ============================================================
       NOSCRIPT NOTICE
    ============================================================ */
    .noscript-notice {
      background: var(--color-light-gray);
      border-left: 4px solid var(--color-red);
      padding: 12px 20px;
      font-size: 0.85rem;
      color: var(--color-dark-gray);
    }


    @media (max-width: 768px) {
      .site-header__inner {
        padding-left: 16px;
        padding-right: 16px;
        gap: 12px;
      }

      .lang-switcher {
        display: none !important;
      }
    }

  

    /* Responsive header guard for the five-language selector. */
    @media (max-width: 1400px) and (min-width: 769px) {
      .site-header__inner {
        gap: 12px !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
      }
      .site-nav__list a,
      .site-nav a {
        font-size: 0.78rem !important;
        padding-left: 8px !important;
        padding-right: 8px !important;
      }
      .site-header__cta .btn {
        font-size: 0.78rem !important;
        padding-left: 14px !important;
        padding-right: 14px !important;
        white-space: nowrap !important;
      }
    }

    @media (max-width: 600px) {
      .site-header__inner {
        padding-left: 12px !important;
        padding-right: 12px !important;
        gap: 8px !important;
        width: 100% !important;
      }
      .site-header__logo,
      .site-header__logo-text,
      .site-header__logo div {
        min-width: 0 !important;
      }
      
      .lang-switcher {
        display: none !important;
      }
      .nav-toggle,
      .menu-toggle {
        margin-left: auto !important;
        flex-shrink: 0 !important;
      }
    }

    @media (max-width: 820px) {
      .tech-info__list,
      .tech-info__list li,
      .tech-info__list li strong {
        min-width: 0;
        overflow-wrap: anywhere;
      }
    }