:root {
      --coke-red: #E61A27;
      --ink: #111113;
      --muted: #686b73;
      --line: rgba(17, 17, 19, 0.1);
      --paper: #fbfbfc;
    }

    html {
      scroll-behavior: smooth;
    }

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

    body {
      margin: 0;
      font-family: "Inter", sans-serif;
      color: var(--ink);
      background: linear-gradient(180deg, #ffffff 0%, #f7f7f8 48%, #ffffff 100%);
      text-rendering: geometricPrecision;
      overflow-x: hidden;
    }

    img {
      user-select: none;
    }

    .site-actions {
      display: flex;
      min-width: 0;
      align-items: center;
      justify-content: flex-end;
      gap: 24px;
    }

    .desktop-lang {
      display: none;
    }

    .mobile-toggle {
      display: block;
      border: 0;
      padding: 0;
      background: transparent;
      color: #6b7280;
      font-size: 16px;
      font-weight: 500;
      line-height: 1;
    }

    @media (min-width: 640px) {
      .site-header__bar {
        padding-inline: 24px;
      }
    }

    @media (min-width: 1024px) {
      .site-header__bar {
        width: 100% !important;
        grid-template-columns: auto minmax(0, 1fr) auto !important;
        padding-inline: 32px;
      }

      .desktop-lang {
        display: flex;
      }

      .mobile-toggle {
        display: none;
      }
    }

    .hero {
      min-height: 100svh;
      isolation: isolate;
      width: 100vw;
      max-width: 100vw;
    }

    .hero h1,
    .hero p {
      overflow-wrap: anywhere;
    }

    .hero > div {
      max-width: min(80rem, calc(100vw - 40px)) !important;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -1;
      background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.52) 44%, rgba(0, 0, 0, 0.1) 100%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.72) 100%);
    }

    .fade-in {
      opacity: 0;
      transform: translateY(32px);
      transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .scroll-cue {
      animation: scrollCue 1.6s ease-in-out infinite;
    }

    @keyframes scrollCue {
      0%, 100% { transform: translateY(0); opacity: 0.55; }
      50% { transform: translateY(8px); opacity: 1; }
    }

    .timeline-link.is-active {
      background: var(--coke-red);
      color: #ffffff;
      border-color: var(--coke-red);
    }

    .era-grid {
      min-height: 100svh;
    }

    .era-image {
      aspect-ratio: 4 / 5;
      box-shadow: 0 28px 80px rgba(17, 17, 19, 0.18);
    }

    .spec-card {
      border: 1px solid rgba(17, 17, 19, 0.08);
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.72);
    }

    .table-wrap {
      scrollbar-width: thin;
    }

    .mobile-menu-scroll {
      -webkit-overflow-scrolling: touch;
      scrollbar-width: thin;
    }

    @media (max-width: 767px) {
      .hero {
        min-height: 92svh;
      }

      .era-grid {
        min-height: auto;
      }

      .era-image {
        aspect-ratio: 16 / 11;
      }
    }

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

      .fade-in,
      .scroll-cue {
        animation: none !important;
        transition: none !important;
      }
    }