@font-face {
      font-family: "Manrope";
      src: url("../assets/fonts/manrope-v20-cyrillic_latin-500.woff2") format("woff2");
      font-weight: 500;
      font-style: normal;
      font-display: swap;
    }

    @font-face {
      font-family: "Manrope";
      src: url("../assets/fonts/manrope-v20-cyrillic_latin-700.woff2") format("woff2");
      font-weight: 700;
      font-style: normal;
      font-display: swap;
    }

    @font-face {
      font-family: "Unbounded";
      src: url("../assets/fonts/unbounded-v12-cyrillic_latin-700.woff2") format("woff2");
      font-weight: 700;   
      font-style: normal;
      font-display: swap;
    }

    :root {
      --card-radius: 28px;
      --bg-start: #0d1324;
      --bg-end: #182744;
      --glow-start: rgba(78, 124, 201, 0.32);
      --glow-end: rgba(78, 124, 201, 0);
      --text-main: #edf3ff;
      --text-soft: #b4c2dd;
      --accent: #88ace8;
      --accent-deep: #c7daff;
      --glass: rgba(175, 200, 245, 0.05);
      --stroke: rgba(237, 243, 255, 0.20);
      --shadow: 0 16px 46px rgba(0, 0, 0, 0.16);
      --brand-color: #e4eeff;
      --status-bg: rgba(255, 255, 255, 0.03);
      --status-border: rgba(237, 243, 255, 0.16);
      --status-dot: #b6caf3;
      --status-dot-shadow: rgba(182, 202, 243, 0.34);
      --status-text-color: #d6e4ff;
      --meta-color: #9fb0cc;
      --link-color: #d6e5ff;
      --meta-border: rgba(237, 243, 255, 0.14);
      --cta-bg: #c7daff;
      --cta-text: #0f1b33;
    }

    html[data-theme="light"] {
      --bg-start: #edf3ff;
      --bg-end: #dfe8f8;
      --glow-start: rgba(134, 167, 223, 0.38);
      --glow-end: rgba(134, 167, 223, 0);
      --text-main: #1a2a49;
      --text-soft: #4e6288;
      --accent: #4d70b4;
      --accent-deep: #2f5394;
      --glass: rgba(255, 255, 255, 0.24);
      --stroke: rgba(255, 255, 255, 0.52);
      --shadow: 0 14px 34px rgba(47, 69, 110, 0.08);
      --brand-color: #1f396b;
      --status-bg: rgba(65, 95, 157, 0.09);
      --status-border: rgba(65, 95, 157, 0.26);
      --status-dot: #4b6ead;
      --status-dot-shadow: rgba(75, 110, 173, 0.34);
      --status-text-color: #2e4f8a;
      --meta-color: #5d7094;
      --link-color: #2f5394;
      --meta-border: rgba(36, 58, 101, 0.16);
      --cta-bg: #2f5394;
      --cta-text: #ffffff;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      display: grid;
      place-items: center;
      padding: 24px;
      font-family: "Manrope", "Segoe UI", -apple-system, BlinkMacSystemFont, "Roboto", sans-serif;
      color: var(--text-main);
      background:
        radial-gradient(circle at 18% 16%, var(--glow-start) 0%, var(--glow-end) 42%),
        linear-gradient(135deg, var(--bg-start), var(--bg-end));
      overflow-x: hidden;
      overflow-y: auto;
      transition: background 280ms ease, color 280ms ease;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      justify-content: flex-start;
      gap: 12px;
      width: auto;
      max-width: 100%;
      animation: rise-soft 520ms ease-out 60ms both;
    }

    .topline {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      width: 100%;
      margin-bottom: 10px;
    }

    .brand-logo {
      height: 62px;
      width: auto;
      display: block;
      opacity: 0.92;
    }

    .brand-name {
      font-family: "Unbounded", "Manrope", "Segoe UI", sans-serif;
      font-size: 23px;
      letter-spacing: 0.04em;
      font-weight: 700;
      margin: 0;
      display: inline-block;
      flex: 0 1 auto;
      margin-left: 0;
      color: var(--brand-color);
      text-transform: uppercase;
    }


    .card {
      position: relative;
      width: min(760px, 100%);
      border-radius: var(--card-radius);
      border: 1px solid var(--stroke);
      padding: clamp(24px, 4vw, 42px);
      background: var(--glass);
      box-shadow: var(--shadow);
      backdrop-filter: blur(24px) saturate(170%);
      -webkit-backdrop-filter: blur(24px) saturate(170%);
      animation: reveal-soft 620ms ease-out both;
      transition: background 280ms ease, border-color 280ms ease, box-shadow 280ms ease;
    }

    .card::before {
      content: "";
      position: absolute;
      inset: 1px;
      border-radius: calc(var(--card-radius) - 1px);
      background: linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.28) 0%,
        rgba(255, 255, 255, 0.07) 30%,
        rgba(255, 255, 255, 0.00) 58%
      );
      pointer-events: none;
    }

    .card:hover {
      transform: translateY(-1px);
      box-shadow: 0 20px 54px rgba(0, 0, 0, 0.24);
    }

    .theme-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: flex-start;
      width: 56px;
      height: 32px;
      min-height: 32px;
      padding: 0 4px;
      border: 1px solid var(--status-border);
      border-radius: 999px;
      background: color-mix(in srgb, var(--glass) 92%, var(--accent) 8%);
      color: var(--text-main);
      backdrop-filter: blur(14px);
      cursor: pointer;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
      transition: background 220ms ease, border-color 220ms ease, color 220ms ease, transform 220ms ease, box-shadow 220ms ease;
      animation: toggle-rise 520ms ease-out 180ms both;
      flex: 0 0 auto;
    }

    .theme-toggle::before {
      content: "";
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: color-mix(in srgb, var(--text-main) 90%, #ffffff 10%);
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.28);
      transition: transform 220ms ease, background 220ms ease;
      transform: translateX(0);
    }

    html[data-theme="light"] .theme-toggle::before {
      transform: translateX(24px);
    }

    .theme-toggle:hover {
      background: color-mix(in srgb, var(--glass) 94%, var(--accent) 6%);
      transform: translateY(-1px);
      box-shadow: 0 10px 24px rgba(0, 0, 0, 0.26);
    }

    .status {
      margin: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      width: fit-content;
      gap: 12px;
      padding: 8px 12px;
      border-radius: 14px;
      border: 1px solid var(--status-border);
      background: var(--status-bg);
      animation: rise-soft 560ms ease-out 120ms both;
    }

    .status-icon {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--status-dot);
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--status-dot-shadow) 55%, transparent);
    }

    .status-text {
      font-family: "Manrope", "Segoe UI", sans-serif;
      font-size: clamp(12px, 1.4vw, 14px);
      letter-spacing: 0.01em;
      font-weight: 700;
      text-transform: none;
      color: var(--status-text-color);
    }

    .lead {
      margin: 2px 0 12px;
      font-size: clamp(18px, 2vw, 23px);
      line-height: 1.4;
      font-weight: 700;
      color: var(--text-main);
      max-width: 42ch;
      animation: rise-soft 600ms ease-out 170ms both;
    }

    p {
      margin: 0;
      font-size: clamp(15px, 2.2vw, 18px);
      line-height: 1.55;
      color: var(--text-soft);
      max-width: 52ch;
      animation: rise-soft 620ms ease-out 200ms both;
    }

    .actions {
      margin-top: 18px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 10px;
      animation: rise-soft 650ms ease-out 230ms both;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 16px;
      border-radius: 12px;
      border: 1px solid transparent;
      text-decoration: none;
      font: 700 13px/1 "Manrope", "Segoe UI", sans-serif;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      transition: background 220ms ease, color 220ms ease, border-color 220ms ease, transform 220ms ease;
    }

    .btn-primary {
      background: var(--cta-bg);
      color: var(--cta-text);
      border-color: color-mix(in srgb, var(--cta-bg) 75%, #ffffff 25%);
    }

    .btn-primary:hover {
      background: color-mix(in srgb, var(--cta-bg) 86%, #ffffff 14%);
      transform: translateY(-1px);
    }

    .btn-secondary {
      background: color-mix(in srgb, var(--glass) 92%, transparent);
      color: var(--link-color);
      border-color: var(--status-border);
    }

    .btn-secondary:hover {
      background: color-mix(in srgb, var(--glass) 94%, var(--accent) 6%);
      transform: translateY(-1px);
    }

    .meta {
      margin-top: 22px;
      padding-top: 14px;
      border-top: 1px solid var(--meta-border);
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-start;
      align-items: center;
      font-size: 14px;
      color: var(--meta-color);
      animation: rise-soft 680ms ease-out 260ms both;
    }

    .meta-copyright {
      margin-left: 0;
    }

    .meta-switch {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 0 0 auto;
      margin-left: auto;
    }

    .theme-icon {
      width: 14px;
      height: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      line-height: 1;
      color: color-mix(in srgb, var(--meta-color) 88%, var(--text-main) 12%);
      opacity: 0.9;
      user-select: none;
    }

    .theme-icon svg {
      width: 100%;
      height: 100%;
      fill: none;
      stroke: currentColor;
      stroke-width: 1.9;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .theme-icon-sun circle {
      fill: currentColor;
      stroke: none;
    }

    .theme-icon-moon svg {
      fill: currentColor;
      stroke: none;
    }

    a {
      color: var(--link-color);
      font-weight: 700;
      text-decoration-thickness: 1px;
      text-underline-offset: 3px;
    }

    a:focus-visible,
    .theme-toggle:focus-visible,
    .btn:focus-visible {
      outline: 2px solid var(--accent-deep);
      outline-offset: 3px;
      border-radius: 12px;
    }

    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    @keyframes reveal-soft {
      from {
        transform: translateY(8px) scale(0.992);
      }
      to {
        transform: translateY(0) scale(1);
      }
    }

    @keyframes rise-soft {
      from {
        transform: translateY(8px);
      }
      to {
        transform: translateY(0);
      }
    }

    @keyframes toggle-rise {
      from {
        transform: translateY(6px);
      }
      to {
        transform: translateY(0);
      }
    }

    @media (max-width: 560px) {
      :root {
        --card-radius: 20px;
      }

      body {
        padding: 14px;
      }

      .card {
        padding: 18px;
      }

      .topline {
        flex-wrap: wrap;
        row-gap: 8px;
      }

      .theme-toggle {
        width: 52px;
        height: 30px;
        min-height: 30px;
        padding: 0 4px;
      }

      .status {
        width: fit-content;
        min-width: 189px;
        max-width: 100%;
        padding: 8px 12px;
        justify-content: center;
        margin-inline: auto;
      }

      .status-icon { width: 10px; height: 10px; }

      .brand {
        width: 100%;
        justify-content: center;
        gap: 10px;
      }

      .brand-logo {
        height: 52px;
        flex: 0 0 auto;
      }

      .brand-name {
        font-size: 20px;
        letter-spacing: 0.02em;
        line-height: 1;
      }

      .actions {
        flex-direction: column;
      }

      .btn {
        width: 100%;
      }

      .meta {
        width: 100%;
        font-size: 12px;
        gap: 8px;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
      }

      .theme-icon {
        width: 13px;
        height: 13px;
      }

      .meta-switch {
        margin-left: auto;
      }

      .theme-toggle::before {
        width: 20px;
        height: 20px;
      }

      html[data-theme="light"] .theme-toggle::before {
        transform: translateX(22px);
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *,
      *::before,
      *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
      }
    }