:root {
        color-scheme: dark;
        --bg-a: #06090f;
        --bg-b: #0c1524;
        --bg-c: #112035;
        --text: #eef3ff;
        --text-soft: #c8d3e8;
        --btn-bg: #101a2a;
        --btn-border: #2a3d5f;
        --btn-border-hover: #5f82b8;
        --glow-rgb: 120, 174, 255;
        font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
      }

      * {
        box-sizing: border-box;
      }

      html,
      body {
        margin: 0;
        width: 100%;
        min-height: 100%;
        overflow-x: hidden;
        overflow-y: auto;
        background:
          radial-gradient(circle at 18% 16%, rgba(95, 153, 245, 0.18), transparent 30%),
          radial-gradient(circle at 82% 84%, rgba(56, 114, 219, 0.18), transparent 33%),
          linear-gradient(160deg, var(--bg-a), var(--bg-b) 55%, var(--bg-c));
        color: var(--text);
      }

      body::before {
        content: "";
        position: fixed;
        inset: 0;
        pointer-events: none;
        opacity: 0.12;
        background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
          linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
        background-size: 48px 48px;
      }

      .viewport {
        position: relative;
        width: 100%;
        min-height: 100dvh;
        display: flex;
        justify-content: center;
        align-items: flex-start;
        padding: clamp(0.65rem, 1.8vh, 1.4rem);
      }

      .content {
        width: min(1580px, 96vw);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: clamp(0.6rem, 1.4vh, 1.1rem);
      }

      .logo-wrap {
        width: 100%;
        height: 31dvh;
        min-height: 125px;
        max-height: 325px;
        display: flex;
        justify-content: center;
        align-items: flex-end;
      }

      .logo-main {
        width: clamp(220px, 29vw, 460px);
        height: auto;
        max-height: 100%;
        filter: drop-shadow(0 10px 28px rgba(95, 153, 245, 0.22));
      }

      .tagline {
        margin: 0;
        max-width: min(1200px, 94vw);
        text-align: center;
        font-weight: 800;
        font-size: clamp(1.06rem, 2.2vw, 1.9rem);
        line-height: 1.1;
        letter-spacing: 0.01em;
        color: var(--text);
      }

      .description {
        margin: 0;
        max-width: min(1500px, 96vw);
        color: var(--text-soft);
        text-align: center;
        font-weight: 700;
        font-size: clamp(0.66rem, 1.08vw, 0.98rem);
        line-height: 1.23;
        text-wrap: pretty;
      }

      .links {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        gap: clamp(0.45rem, 1.05vw, 1rem);
        padding-top: clamp(0.1rem, 0.6vh, 0.3rem);
      }

      .lang-switch-wrap {
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: clamp(0.15rem, 0.7vh, 0.4rem);
      }

      .lang-switch {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.35rem 0.72rem;
        border-radius: 0.62rem;
        border: 1px solid #344868;
        background: rgba(16, 26, 42, 0.55);
        color: var(--text-soft);
        text-decoration: none;
        font-weight: 700;
        font-size: clamp(0.62rem, 0.88vw, 0.78rem);
        letter-spacing: 0.01em;
        transition: border-color 160ms ease, box-shadow 160ms ease, transform 120ms ease;
      }

      .lang-switch:hover,
      .lang-switch:focus-visible {
        border-color: var(--btn-border-hover);
        box-shadow: 0 0 12px rgba(var(--glow-rgb), 0.28);
        outline: none;
      }

      .lang-switch:active {
        transform: translateY(1px) scale(0.99);
      }

      .screenshots {
        width: min(1500px, 96vw);
        margin-top: clamp(0.65rem, 1.8vh, 1.3rem);
        padding-bottom: clamp(0.9rem, 2.5vh, 1.9rem);
      }

      .screenshots-title {
        margin: 0 0 clamp(0.5rem, 1.6vh, 0.95rem);
        text-align: center;
        color: var(--text);
        font-weight: 800;
        font-size: clamp(0.92rem, 1.35vw, 1.26rem);
        letter-spacing: 0.02em;
        text-transform: lowercase;
      }

      .screenshot-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: clamp(0.5rem, 1.3vw, 1rem);
      }

      .screenshot-link {
        display: block;
        border-radius: 0.78rem;
        border: 1px solid #334d74;
        background: rgba(16, 26, 42, 0.5);
        overflow: hidden;
        box-shadow: 0 8px 20px rgba(6, 11, 20, 0.45);
        transition: border-color 180ms ease, box-shadow 180ms ease, transform 120ms ease;
      }

      .screenshot-link img {
        display: block;
        width: 100%;
        height: auto;
      }

      .screenshot-link:hover,
      .screenshot-link:focus-visible {
        border-color: var(--btn-border-hover);
        box-shadow: 0 0 18px rgba(var(--glow-rgb), 0.3);
        outline: none;
      }

      .screenshot-link:active {
        transform: translateY(1px) scale(0.995);
      }

      .lightbox {
        position: fixed;
        inset: 0;
        z-index: 2000;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: clamp(0.5rem, 2vw, 1.2rem);
        background: rgba(3, 8, 14, 0.9);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 160ms ease, visibility 0ms linear 160ms;
      }

      .lightbox.is-open {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transition: opacity 160ms ease;
      }

      .lightbox-img {
        display: block;
        max-width: min(1850px, 96vw);
        max-height: 92vh;
        width: auto;
        height: auto;
        border-radius: 0.62rem;
        border: 1px solid #3d5c89;
        box-shadow: 0 0 22px rgba(var(--glow-rgb), 0.28);
        background: #0a121f;
      }

      .lightbox-close {
        position: absolute;
        top: clamp(0.45rem, 1.6vw, 0.9rem);
        right: clamp(0.45rem, 1.6vw, 0.9rem);
        width: 2.25rem;
        height: 2.25rem;
        border: 1px solid #4b6a99;
        border-radius: 0.6rem;
        background: rgba(10, 18, 31, 0.82);
        color: var(--text);
        font-size: 1.4rem;
        line-height: 1;
        font-weight: 700;
        cursor: pointer;
        transition: border-color 160ms ease, box-shadow 160ms ease;
      }

      .lightbox-close:hover,
      .lightbox-close:focus-visible {
        border-color: var(--btn-border-hover);
        box-shadow: 0 0 12px rgba(var(--glow-rgb), 0.3);
        outline: none;
      }

      body.lightbox-open {
        overflow: hidden;
      }

      .button-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        min-width: 135px;
        padding: 0.58rem 0.95rem;
        border-radius: 0.8rem;
        border: 1px solid var(--btn-border);
        background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0))
          var(--btn-bg);
        color: var(--text);
        text-decoration: none;
        font-weight: 700;
        font-size: 0.82rem;
        letter-spacing: 0.01em;
        transition: box-shadow 180ms ease, border-color 180ms ease, transform 120ms ease;
      }

      .button-link img {
        width: 2.3rem;
        height: 2.3rem;
        flex: 0 0 auto;
      }

      .button-link img.icon-github,
      .button-link img.icon-discord {
        width: 2.55rem;
        height: 2.55rem;
      }

      .button-link:hover,
      .button-link:focus-visible {
        border-color: var(--btn-border-hover);
        box-shadow: 0 0 17px rgba(var(--glow-rgb), 0.34);
        outline: none;
      }

      .button-link:active {
        transform: translateY(1px) scale(0.985);
        box-shadow: 0 0 24px rgba(var(--glow-rgb), 0.52);
      }

      @media (max-width: 880px) {
        .logo-wrap {
          height: 24dvh;
          min-height: 98px;
        }

        .logo-main {
          width: clamp(155px, 46vw, 295px);
        }

        .tagline {
          font-size: clamp(0.88rem, 3.2vw, 1.38rem);
          line-height: 1.12;
        }

        .description {
          font-size: clamp(0.56rem, 2.25vw, 0.8rem);
          line-height: 1.18;
        }

        .button-link {
          min-width: 118px;
          padding: 0.5rem 0.75rem;
          font-size: 0.76rem;
        }

        .button-link img {
          width: 1.9rem;
          height: 1.9rem;
        }

        .button-link img.icon-github,
        .button-link img.icon-discord {
          width: 2.1rem;
          height: 2.1rem;
        }

        .lang-switch {
          font-size: clamp(0.56rem, 1.95vw, 0.72rem);
        }
      }

      @media (prefers-reduced-motion: reduce) {
        .button-link,
        .screenshot-link,
        .lightbox,
        .lightbox-close {
          transition: none;
        }
      }