:root {
      --page-bg: #050505;
      --card-bg: rgba(255, 255, 255, 0.03);
      --text-main: #ffffff;
      --text-muted: #b9b9b9;
      --line: rgba(255, 255, 255, 0.09);
      --accent: #9aa7ff;
      --accent-strong: #7f8fff;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html,
    body {
      min-height: 100%;
      font-family: "Lato", sans-serif;
      background: var(--page-bg);
      color: var(--text-main);
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      background-image: url("img_assets/bg_black_circles.png");
      background-repeat: no-repeat;
      background-position: center top;
      background-size: cover;
      opacity: 0.62;
      pointer-events: none;
      z-index: 0;
    }

    nav {
      position: fixed;
      top: 0;
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 14px 60px;
      z-index: 20;
      background: rgba(0, 0, 0, 0.22);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    nav .logo {
      font-weight: 700;
      letter-spacing: 2px;
      font-size: 14px;
    }

    nav ul {
      list-style: none;
      display: flex;
      gap: 28px;
    }

    nav a {
      text-decoration: none;
      color: #a8a8a8;
      font-size: 13px;
      transition: color 220ms ease;
    }

    nav a:hover {
      color: #ffffff;
    }

    .faq-shell {
      position: relative;
      z-index: 1;
      min-height: 100vh;
      background: linear-gradient(180deg, rgba(5, 5, 5, 0.4) 0%, rgba(11, 11, 11, 0.96) 32%);
      padding-top: 95px;
    }

    main {
      position: relative;
      z-index: 2;
      width: min(1020px, calc(100% - 2rem));
      margin: 0 auto;
      padding: clamp(2.6rem, 5vw, 4rem) 0 clamp(4rem, 8vw, 6rem);
    }

    .hero {
      text-align: center;
      margin-bottom: clamp(1.6rem, 3vw, 2.4rem);
    }

    .hero h1 {
      font-size: clamp(2.3rem, 6vw, 4.4rem);
      line-height: 1.1;
      letter-spacing: -0.02em;
      font-weight: 800;
      text-shadow: 0 20px 55px rgba(0, 0, 0, 0.55);
    }

    .hero p {
      margin: 0.8rem auto 0;
      max-width: 700px;
      color: var(--text-muted);
      line-height: 1.75;
      font-size: clamp(0.98rem, 1.6vw, 1.08rem);
    }

    .faq-sections {
      display: grid;
      gap: 1.2rem;
    }

    .faq-section {
      background: var(--card-bg);
      border: 1px solid var(--line);
      border-radius: 18px;
      overflow: hidden;
      backdrop-filter: blur(10px);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
      transition: transform 260ms ease, border-color 260ms ease, box-shadow 260ms ease;
    }

    .faq-section:hover {
      border-color: rgba(154, 167, 255, 0.34);
      box-shadow: 0 28px 56px rgba(0, 0, 0, 0.38);
    }

    .section-title {
      padding: 1rem 1.25rem;
      font-size: 1.45rem;
      letter-spacing: 0.02em;
      border-bottom: 1px solid var(--line);
      background: rgba(255, 255, 255, 0.025);
    }

    .faq-item + .faq-item {
      border-top: 1px solid var(--line);
    }

    .faq-question {
      width: 100%;
      border: none;
      background: transparent;
      color: inherit;
      text-align: left;
      padding: 1.05rem 1.25rem;
      font-size: 1rem;
      line-height: 1.45;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .faq-question:focus-visible {
      outline: none;
    }

    .faq-symbol {
      width: 1.4rem;
      height: 1.4rem;
      border-radius: 999px;
      display: grid;
      place-items: center;
      background: rgba(154, 167, 255, 0.16);
      border: 1px solid rgba(154, 167, 255, 0.44);
      font-weight: 700;
      flex-shrink: 0;
      color: #dfe4ff;
      transition: transform 220ms ease, background-color 220ms ease;
    }

    .faq-item.is-open .faq-symbol {
      transform: rotate(45deg);
      background: var(--accent-strong);
      color: #ffffff;
    }

    .faq-answer-wrap {
      max-height: 0;
      overflow: hidden;
      transition: max-height 320ms ease;
    }

    .faq-answer {
      padding: 0 1.25rem 1rem;
      color: var(--text-muted);
      line-height: 1.65;
      font-family: "Lato", sans-serif;
      font-size: 0.93rem;
      font-weight: 400;
      letter-spacing: 0.01em;
    }

    .blob {
      position: fixed;
      border-radius: 50%;
      filter: blur(60px);
      opacity: 0.45;
      pointer-events: none;
      z-index: 1;
    }

    .blob1 {
      width: 360px;
      height: 360px;
      right: 10%;
      top: 20%;
      background: linear-gradient(45deg, #5a6cff, #9a6cff);
    }

    .blob2 {
      width: 260px;
      height: 260px;
      left: 5%;
      bottom: 10%;
      background: linear-gradient(45deg, #7a5cff, #3bd6ff);
    }

    .floating-contact {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 30;
      display: none;
    }

    .contact-surface {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .contact-logo-button {
      width: 54px;
      height: 54px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 999px;
      background: rgba(20, 20, 20, 0.82);
      display: grid;
      place-items: center;
      cursor: pointer;
      backdrop-filter: blur(10px);
    }

    .contact-logo {
      width: 28px;
      height: 28px;
      object-fit: contain;
    }

    .contact-panel {
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(10, 10, 10, 0.86);
      border: 1px solid rgba(255, 255, 255, 0.14);
      padding: 10px 12px;
      border-radius: 12px;
      backdrop-filter: blur(10px);
      opacity: 0;
      transform: translateX(8px);
      pointer-events: none;
      transition: opacity 240ms ease, transform 240ms ease;
    }

    .floating-contact.is-expanded .contact-panel {
      opacity: 1;
      transform: translateX(0);
      pointer-events: auto;
    }

    .contact-label {
      font-size: 12px;
      letter-spacing: 0.06em;
      color: #c2c2c2;
      text-transform: uppercase;
    }

    .contact-actions {
      display: flex;
      gap: 8px;
    }

    .contact-link {
      width: 32px;
      height: 32px;
      border-radius: 999px;
      border: 1px solid rgba(255, 255, 255, 0.18);
      display: grid;
      place-items: center;
      color: #ffffff;
      transition: transform 180ms ease, border-color 180ms ease;
    }

    .contact-link svg {
      width: 17px;
      height: 17px;
      fill: currentColor;
    }

    .contact-link:hover {
      border-color: rgba(154, 167, 255, 0.5);
    }



    @media (max-width: 700px) {
      nav {
        padding: 12px 14px;
      }

      nav .logo {
        font-size: 11px;
      }

      nav ul {
        gap: 12px;
      }

      nav a {
        font-size: 11px;
      }

      main {
        width: min(1020px, calc(100% - 1.1rem));
        padding-top: clamp(2.2rem, 5vw, 3rem);
      }

      .faq-question,
      .faq-answer,
      .section-title {
        padding-left: 0.95rem;
        padding-right: 0.95rem;
      }

      .blob1 {
        width: 260px;
        height: 260px;
        right: -10%;
      }

      .blob2 {
        width: 190px;
        height: 190px;
      }

      .contact-label {
        display: none;
      }
    }