:root {
    --black: #0b0d10;
    --dark: #111827;
    --red: #c1121f;
    --red-dark: #8f0d17;
    --gold: #f4b000;
    --gold-dark: #d99a00;
    --cream: #fff8e6;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e5e7eb;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --line: #e6e6e6;
    --shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
    --shadow-soft: 0 10px 28px rgba(15, 23, 42, 0.08);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --container: 1180px;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    margin: 0;
    background: var(--white);
    color: var(--dark);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
  }
  
  img,
  svg {
    max-width: 100%;
    display: block;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  button,
  input,
  select {
    font: inherit;
  }
  
  .container {
    width: min(100% - 32px, var(--container));
    margin-inline: auto;
  }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }
  
  .header-inner {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  
  .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--red);
    color: var(--white);
    font-size: 20px;
    font-weight: 900;
  }
  
  .brand-name {
    color: var(--black);
    font-size: 21px;
    font-weight: 900;
    letter-spacing: -0.03em;
  }
  
  .main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    color: var(--gray-700);
    font-size: 14px;
    font-weight: 700;
  }
  
  .main-nav a:hover {
    color: var(--red);
  }
  
  .header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  
  .btn {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    padding: 10px 18px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 900;
    transition: 0.18s ease;
  }
  
  .btn-primary {
    background: var(--red);
    color: var(--white);
  }
  
  .btn-primary:hover {
    background: var(--red-dark);
  }
  
  .btn-outline {
    background: var(--white);
    color: var(--dark);
    border-color: #cbd5e1;
  }
  
  .btn-outline:hover {
    color: var(--red);
    border-color: var(--red);
  }
  
  .btn-gold {
    background: var(--gold);
    color: var(--black);
  }
  
  .btn-gold:hover {
    background: var(--gold-dark);
  }
  
  .btn-ghost {
    background: #4b4a4a;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.28);
  }
  
  .btn-ghost:hover {
    background: var(--white);
    color: var(--black);
  }
  
  .btn-large {
    min-height: 54px;
    padding-inline: 26px;
    font-size: 15px;
  }
  
  .btn-block {
    width: 100%;
  }
  
  .hero {
    background: var(--black);
    color: var(--white);
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 0.95fr;
    align-items: center;
    gap: 56px;
    padding-block: 88px;
  }
  
  .eyebrow,
  .section-kicker {
    margin: 0;
    color: var(--red);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  
  .eyebrow {
    width: fit-content;
    margin-bottom: 18px;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    background: var(--gold);
    color: var(--black);
  }
  
  .hero h1,
  .section h2,
  .signup-section h2,
  .scatter-section h2 {
    margin: 0;
    color: inherit;
    font-size: clamp(38px, 6vw, 64px);
    line-height: 1.04;
    letter-spacing: -0.055em;
    font-weight: 900;
  }
  
  .hero-text {
    max-width: 680px;
    margin: 24px 0 0;
    color: #262627;
    font-size: 18px;
    line-height: 1.8;
  }
  
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
  }
  
  .hero-stats {
    max-width: 560px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 34px;
  }
  
  .hero-stats div {
    padding: 18px 14px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: var(--radius-md);
    background: rgba(3, 3, 3, 0.05);
    text-align: center;
  }
  
  .hero-stats strong {
    display: block;
    color: var(--black);
    font-size: 28px;
    line-height: 1.1;
    font-weight: 900;
  }
  
  .hero-stats span {
    display: block;
    margin-top: 4px;
    color: #9ca3af;
    font-size: 12px;
    font-weight: 700;
  }
  
  .monitor-card {
    padding: 16px;
    background: var(--white);
    border-radius: 22px;
    box-shadow: var(--shadow);
  }
  
  .monitor-panel {
    padding: 22px;
    border-radius: 16px;
    background: var(--cream);
  }
  
  .monitor-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
  }
  
  .monitor-head span {
    color: var(--gray-500);
    font-size: 14px;
    font-weight: 700;
  }
  
  .monitor-head h2 {
    margin: 2px 0 0;
    color: var(--black);
    font-size: 26px;
    line-height: 1.1;
    font-weight: 900;
    letter-spacing: -0.04em;
  }
  
  .monitor-head b {
    flex-shrink: 0;
    padding: 5px 10px;
    border-radius: 99px;
    background: #16a34a;
    color: var(--white);
    font-size: 11px;
    letter-spacing: 0.04em;
  }
  
  .game-list {
    display: grid;
    gap: 13px;
  }
  
  .game-row {
    padding: 16px;
    border-radius: var(--radius-md);
    background: var(--white);
    box-shadow: var(--shadow-soft);
  }
  
  .game-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
  }
  
  .game-info strong {
    color: var(--dark);
  }
  
  .game-info span {
    color: var(--red);
    font-size: 13px;
    font-weight: 900;
  }
  
  .progress {
    height: 11px;
    overflow: hidden;
    margin-top: 12px;
    border-radius: 99px;
    background: var(--gray-200);
  }
  
  .progress i {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: var(--red);
  }
  
  .progress-gold i {
    background: var(--gold);
  }
  
  .progress-dark i {
    background: var(--black);
  }
  
  .progress-gray i {
    background: var(--gray-700);
  }
  
  .win-box {
    margin-top: 20px;
    padding: 20px;
    border-radius: var(--radius-md);
    background: var(--black);
  }
  
  .win-box span,
  .win-box small {
    display: block;
    color: #9ca3af;
  }
  
  .win-box strong {
    display: block;
    margin-top: 3px;
    color: var(--gold);
    font-size: 32px;
    line-height: 1.15;
    font-weight: 900;
  }
  
  .trust-section {
    padding-block: 32px;
    border-bottom: 1px solid var(--line);
  }
  
  .center {
    text-align: center;
  }
  
  .trust-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-top: 22px;
  }
  
  .trust-grid div {
    padding: 18px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    color: var(--gray-700);
    text-align: center;
    font-weight: 900;
  }
  
  .trust-note {
    margin: 18px 0 0;
    color: var(--gray-600);
    font-size: 14px;
    font-weight: 700;
    text-align: center;
  }
  
  .section {
    padding-block: 88px;
  }
  
  .section-head {
    max-width: 760px;
  }
  
  .section-head h2,
  .scatter-section h2,
  .signup-section h2 {
    margin-top: 10px;
    color: var(--black);
    font-size: clamp(31px, 4vw, 44px);
    line-height: 1.12;
    letter-spacing: -0.045em;
    font-weight: 900;
  }
  
  .section-head p:not(.section-kicker),
  .section-desc {
    margin-top: 14px;
    color: var(--gray-600);
    font-size: 18px;
    line-height: 1.75;
  }
  
  .center-head {
    margin-inline: auto;
    text-align: center;
  }
  
  .feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 42px;
  }
  
  .feature-card,
  .testimonial-card,
  .popular-card {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-soft);
  }
  
  .feature-card {
    padding: 26px;
  }
  
  .feature-number {
    width: 48px;
    height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: 20px;
    font-weight: 900;
  }
  
  .feature-number.black {
    background: var(--black);
  }
  
  .feature-number.red {
    background: var(--red);
  }
  
  .feature-number.gold {
    background: var(--gold);
    color: var(--black);
  }
  
  .feature-number.gray {
    background: var(--gray-700);
  }
  
  .feature-card h3 {
    margin: 0;
    color: var(--black);
    font-size: 21px;
    line-height: 1.2;
    font-weight: 900;
  }
  
  .feature-card p {
    margin: 12px 0 0;
    color: var(--gray-600);
    line-height: 1.75;
  }
  
  .scatter-section {
    background: var(--cream);
  }
  
  .scatter-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 42px;
    align-items: start;
  }
  
  .table-wrap {
    overflow-x: auto;
    margin-top: 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-soft);
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
    font-size: 14px;
  }
  
  thead {
    background: var(--black);
    color: var(--white);
  }
  
  th,
  td {
    padding: 16px 20px;
    text-align: left;
  }
  
  th {
    font-weight: 900;
  }
  
  tbody tr + tr {
    border-top: 1px solid var(--line);
  }
  
  tbody td:first-child {
    color: var(--black);
    font-weight: 900;
  }
  
  tbody td:last-child {
    color: var(--red);
    font-weight: 900;
  }
  
  .popular-card {
    padding: 28px;
  }
  
  .popular-card h3 {
    margin: 0;
    color: var(--black);
    font-size: 26px;
    line-height: 1.15;
    font-weight: 900;
    letter-spacing: -0.04em;
  }
  
  .popular-card p {
    margin: 10px 0 0;
    color: var(--gray-600);
    font-size: 14px;
  }
  
  .popular-list {
    display: grid;
    gap: 22px;
    margin-top: 28px;
    margin-bottom: 30px;
  }
  
  .popular-item > div:first-child {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    font-size: 14px;
    font-weight: 900;
  }
  
  .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 42px;
  }
  
  .testimonial-card {
    padding: 26px;
  }
  
  .user-head {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  
  .avatar {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--white);
    font-weight: 900;
  }
  
  .avatar.black {
    background: var(--black);
  }
  
  .avatar.red {
    background: var(--red);
  }
  
  .avatar.gold {
    background: var(--gold);
    color: var(--black);
  }
  
  .user-head h3 {
    margin: 0;
    color: var(--black);
    font-size: 16px;
    font-weight: 900;
  }
  
  .user-head p {
    margin: 0;
    color: var(--gray-500);
    font-size: 14px;
  }
  
  blockquote {
    margin: 20px 0 0;
    color: var(--gray-700);
    line-height: 1.75;
  }
  
  .signup-section {
    padding-block: 72px;
    background: var(--black);
    color: var(--white);
  }
  
  .signup-grid {
    display: grid;
    grid-template-columns: 1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
  
  .gold-text {
    color: var(--gold);
  }
  
  .signup-section h2 {
    color: var(--white);
  }
  
  .signup-section p {
    max-width: 600px;
    margin: 14px 0 0;
    color: #d1d5db;
    font-size: 18px;
    line-height: 1.75;
  }
  
  .signup-form {
    display: grid;
    gap: 16px;
    padding: 28px;
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow);
  }
  
  .signup-form label {
    display: grid;
    gap: 8px;
  }
  
  .signup-form span {
    color: var(--black);
    font-size: 14px;
    font-weight: 900;
  }
  
  .signup-form input,
  .signup-form select {
    width: 100%;
    min-height: 48px;
    border: 1px solid #cbd5e1;
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    color: var(--dark);
    background: var(--white);
    outline: none;
  }
  
  .signup-form input:focus,
  .signup-form select:focus {
    border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(193, 18, 31, 0.12);
  }
  
  .signup-form small {
    color: var(--gray-500);
    font-size: 12px;
    line-height: 1.6;
  }
  
  .faq-container {
    max-width: 860px;
  }
  
  .faq-list {
    overflow: hidden;
    margin-top: 38px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
  }
  
  .faq-list details + details {
    border-top: 1px solid var(--line);
  }
  
  .faq-list details {
    padding: 22px 26px;
  }
  
  .faq-list summary {
    cursor: pointer;
    color: var(--black);
    font-size: 18px;
    font-weight: 900;
    list-style: none;
  }
  
  .faq-list summary::-webkit-details-marker {
    display: none;
  }
  
  .faq-list summary::after {
    content: "+";
    float: right;
    color: var(--red);
    font-size: 24px;
    line-height: 1;
  }
  
  .faq-list details[open] summary::after {
    content: "−";
  }
  
  .faq-list p {
    margin: 12px 0 0;
    color: var(--gray-600);
    line-height: 1.75;
  }
  
  .site-footer {
    background: var(--black);
    color: var(--white);
  }
  
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.7fr 0.7fr;
    gap: 46px;
    padding-block: 52px;
  }
  
  .footer-brand .brand-name {
    color: var(--white);
  }
  
  .footer-about p {
    max-width: 560px;
    margin: 20px 0 0;
    color: #d1d5db;
    line-height: 1.75;
  }
  
  .site-footer h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 900;
  }
  
  .site-footer ul {
    display: grid;
    gap: 12px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
  }
  
  .site-footer a {
    color: #d1d5db;
    font-size: 14px;
  }
  
  .site-footer a:hover {
    color: var(--gold);
  }
  
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 18px;
    color: #9ca3af;
    text-align: center;
    font-size: 14px;
  }
  
  /* Tablet */
  @media (max-width: 980px) {
    .main-nav {
      display: none;
    }
  
    .hero-grid,
    .scatter-grid,
    .signup-grid {
      grid-template-columns: 1fr;
    }
  
    .hero-grid {
      padding-block: 64px;
    }
  
    .feature-grid,
    .testimonial-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  
    .trust-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }
  
  /* Mobile */
  @media (max-width: 640px) {
    .container {
      width: min(100% - 24px, var(--container));
    }
  
    .header-inner {
      min-height: 68px;
    }
  
    .brand-name {
      font-size: 18px;
    }
  
    .brand-mark {
      width: 36px;
      height: 36px;
    }
  
    .btn-outline {
      display: none;
    }
  
    .hero-grid {
      gap: 36px;
      padding-block: 48px;
    }
  
    .hero h1 {
      font-size: 38px;
    }
  
    .hero-text,
    .section-head p:not(.section-kicker),
    .section-desc,
    .signup-section p {
      font-size: 16px;
    }
  
    .hero-actions {
      display: grid;
    }
  
    .hero-stats {
      grid-template-columns: 1fr;
    }
  
    .monitor-card {
      padding: 10px;
      border-radius: 18px;
    }
  
    .monitor-panel {
      padding: 16px;
    }
  
    .monitor-head {
      flex-direction: column;
    }
  
    .win-box strong {
      font-size: 26px;
    }
  
    .section {
      padding-block: 64px;
    }
  
    .feature-grid,
    .testimonial-grid,
    .trust-grid {
      grid-template-columns: 1fr;
    }
  
    .feature-card,
    .testimonial-card,
    .popular-card,
    .signup-form {
      padding: 22px;
    }
  
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 30px;
    }
  }