/* roulang page: index */
:root {
    --pri-deep: #0a0f1a;
    --pri-surface: #111827;
    --accent-gold: #e2b659;
    --accent-gold-light: #f0d078;
    --accent-amber: #d97706;
    --text-primary: #f1f5f9;
    --text-muted: #94a3b8;
    --border-subtle: rgba(226, 182, 89, 0.15);
    --shadow-gold: 0 8px 32px rgba(226, 182, 89, 0.08);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  }
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
    background-color: var(--pri-deep);
  }
  body {
    font-family: var(--font-body);
    background: var(--pri-deep);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
  }
  .container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
  /* Navigation */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.3s ease;
  }
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
  .logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
  }
  .nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  .nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.35rem 0;
    transition: color 0.2s;
  }
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.25s ease;
  }
  .nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
  }
  .nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
  }
  .btn-nav {
    padding: 0.55rem 1.4rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.25s;
    border: 1px solid transparent;
    cursor: pointer;
  }
  .btn-login {
    background: transparent;
    border-color: var(--text-muted);
    color: var(--text-primary);
  }
  .btn-login:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
  }
  .btn-signup {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
    color: #0a0f1a;
    border-color: var(--accent-gold);
  }
  .btn-signup:hover {
    background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
  }
  .mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.6rem;
    cursor: pointer;
  }
  /* Hero */
  .hero-section {
    padding: 160px 0 100px;
    position: relative;
    background: radial-gradient(ellipse at 20% 30%, rgba(226,182,89,0.06) 0%, transparent 55%);
  }
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
  .hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  .hero-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 520px;
    line-height: 1.7;
  }
  .hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
  }
  .btn-primary {
    background: var(--accent-gold);
    color: #0a0f1a;
    padding: 0.85rem 2.2rem;
    border-radius: 40px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
  }
  .btn-primary:hover {
    background: var(--accent-gold-light);
    box-shadow: 0 12px 30px rgba(226,182,89,0.25);
    transform: translateY(-2px);
  }
  .btn-outline-light {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-primary);
    padding: 0.85rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    transition: all 0.3s;
  }
  .btn-outline-light:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
  }
  .hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  }
  .hero-visual img {
    border-radius: var(--radius-lg);
    object-fit: cover;
    width: 100%;
    height: 380px;
  }
  .hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.5rem;
  }
  .hero-stat-item strong {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
  }
  .hero-stat-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
  }
  /* Sections */
  .section {
    padding: 90px 0;
  }
  .section-dark {
    background: var(--pri-surface);
  }
  .section-header {
    margin-bottom: 3.5rem;
  }
  .section-label {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 0.8rem;
  }
  .section-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
  }
  .section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 650px;
  }
  /* Benefit cards 3 columns */
  .benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
  .benefit-card {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2.5rem 1.8rem;
    transition: all 0.3s;
    text-align: left;
  }
  .benefit-card:hover {
    border-color: var(--accent-gold);
    background: rgba(226,182,89,0.04);
    transform: translateY(-6px);
  }
  .benefit-icon {
    font-size: 2.2rem;
    color: var(--accent-gold);
    margin-bottom: 1.2rem;
  }
  .benefit-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.7rem;
  }
  .benefit-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
  }
  /* scenario demo */
  .scenario-row {
    display: flex;
    gap: 2.5rem;
    align-items: center;
  }
  .scenario-row.reverse {
    flex-direction: row-reverse;
  }
  .scenario-img {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .scenario-img img {
    border-radius: var(--radius-lg);
    object-fit: cover;
    height: 320px;
    width: 100%;
  }
  .scenario-content {
    flex: 1;
  }
  .scenario-content h3 {
    font-size: 1.9rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
  }
  .scenario-content p {
    color: var(--text-muted);
    margin-bottom: 1.4rem;
  }
  /* social proof */
  .testimonial-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  .testimonial-card {
    background: var(--pri-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2rem;
    position: relative;
  }
  .testimonial-text {
    font-style: italic;
    color: #e2e8f0;
    margin-bottom: 1.2rem;
  }
  .testimonial-author {
    font-weight: 700;
    color: var(--accent-gold);
  }
  /* news list (CMS) */
  .news-flex {
    display: flex;
    gap: 2.5rem;
  }
  .news-main {
    flex: 2;
  }
  .news-sidebar {
    flex: 1;
    background: rgba(255,255,255,0.02);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    border: 1px solid var(--border-subtle);
  }
  .news-item {
    display: flex;
    gap: 1.2rem;
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--border-subtle);
    align-items: flex-start;
  }
  .news-item:last-child {
    border-bottom: none;
  }
  .news-date {
    font-size: 0.8rem;
    color: var(--accent-gold);
    min-width: 65px;
  }
  .news-title-link {
    font-weight: 600;
    color: var(--text-primary);
    transition: color 0.2s;
  }
  .news-title-link:hover {
    color: var(--accent-gold);
  }
  .news-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
  }
  /* quick faq */
  .faq-item {
    border-bottom: 1px solid var(--border-subtle);
  }
  .faq-question {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
    padding: 1.2rem 0;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color 0.2s;
  }
  .faq-question:hover {
    color: var(--accent-gold);
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.25s;
    color: var(--text-muted);
  }
  .faq-answer.open {
    max-height: 240px;
    padding-bottom: 1rem;
  }
  /* CTA bar */
  .cta-box {
    background: linear-gradient(135deg, rgba(226,182,89,0.12) 0%, rgba(10,15,26,0.9) 80%);
    border: 1px solid var(--accent-gold);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  /* footer */
  .site-footer {
    background: var(--pri-surface);
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2.5rem;
  }
  .footer-brand {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
  }
  /* FAB left bottom */
  .fab-left {
    position: fixed;
    left: 1.5rem;
    bottom: 6rem;
    z-index: 50;
    background: rgba(10,15,26,0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--accent-gold);
    border-radius: 50px;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.5rem;
    box-shadow: 0 4px 20px rgba(226,182,89,0.25);
    transition: all 0.3s;
    cursor: pointer;
  }
  .fab-left:hover {
    background: var(--accent-gold);
    color: #0a0f1a;
    transform: scale(1.1);
  }
  @media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { order: -1; }
    .benefit-grid { grid-template-columns: 1fr 1fr; }
    .scenario-row, .scenario-row.reverse { flex-direction: column; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-toggle { display: block; }
    .benefit-grid, .testimonial-grid { grid-template-columns: 1fr; }
    .news-flex { flex-direction: column; }
    .cta-box { flex-direction: column; text-align: center; gap: 1.5rem; }
    .hero-text h1 { font-size: 2.3rem; }
  }

/* roulang page: article */
:root {
            --pri-deep: #0a0f1a;
            --pri-surface: #111827;
            --accent-gold: #e2b659;
            --accent-gold-light: #f0d078;
            --accent-amber: #d97706;
            --text-primary: #f1f5f9;
            --text-muted: #94a3b8;
            --border-subtle: rgba(226, 182, 89, 0.15);
            --shadow-gold: 0 8px 32px rgba(226, 182, 89, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            background-color: var(--pri-deep);
        }
        body {
            font-family: var(--font-body);
            background: var(--pri-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 15, 26, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background 0.3s ease;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-muted);
            position: relative;
            padding: 0.35rem 0;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .btn-nav {
            padding: 0.55rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s;
            border: 1px solid transparent;
            cursor: pointer;
        }
        .btn-login {
            background: transparent;
            border-color: var(--text-muted);
            color: var(--text-primary);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #0a0f1a;
            border-color: var(--accent-gold);
        }
        .btn-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent-gold);
            color: #0a0f1a;
            padding: 0.85rem 2.2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 12px 30px rgba(226, 182, 89, 0.25);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            border: 1px solid var(--text-muted);
            color: var(--text-primary);
            padding: 0.85rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn-outline-light:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .article-container {
            max-width: 800px;
            margin: 120px auto 0;
            padding: 2rem 1.5rem;
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 1px solid var(--border-subtle);
            padding-bottom: 1.5rem;
        }
        .article-category {
            display: inline-block;
            background: rgba(226, 182, 89, 0.1);
            color: var(--accent-gold);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.25rem 1rem;
            border-radius: 20px;
            margin-bottom: 1rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .article-header h1 {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .article-meta i {
            color: var(--accent-gold);
        }
        .article-body {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #cbd5e1;
        }
        .article-body h2 {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        .article-body h3 {
            font-family: var(--font-heading);
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        .article-body p {
            margin-bottom: 1.2rem;
        }
        .article-body ul, .article-body ol {
            padding-left: 1.5rem;
            margin-bottom: 1.2rem;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body blockquote {
            border-left: 3px solid var(--accent-gold);
            padding: 1rem 1.5rem;
            margin: 2rem 0;
            background: rgba(226, 182, 89, 0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-muted);
            font-style: italic;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 2rem 0;
            box-shadow: var(--shadow-gold);
        }
        .article-cta {
            background: var(--pri-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            margin-top: 3rem;
            text-align: center;
        }
        .article-cta h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .article-cta p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        .not-found-message {
            background: var(--pri-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 3rem;
            text-align: center;
            margin-top: 3rem;
        }
        .not-found-message i {
            font-size: 3rem;
            color: var(--accent-gold);
            margin-bottom: 1rem;
        }
        .not-found-message h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            margin-bottom: 1rem;
        }
        .site-footer {
            background: var(--pri-surface);
            padding: 4rem 0 2rem;
            border-top: 1px solid var(--border-subtle);
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }
        .footer-grid p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .footer-grid h4 {
            font-weight: 600;
        }
        .footer-grid a {
            color: var(--text-muted);
            font-size: 0.95rem;
            transition: color 0.2s;
        }
        .footer-grid a:hover {
            color: var(--accent-gold);
        }
        .fab-left {
            position: fixed;
            left: 1rem;
            bottom: 6rem;
            z-index: 50;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, #1e293b, #0f172a);
            border: 2px solid #e2b659;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(226, 182, 89, 0.3);
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
        }
        .fab-left i {
            color: var(--accent-gold);
            font-size: 1.4rem;
        }
        .fab-left:hover {
            transform: scale(1.12);
            box-shadow: 0 8px 30px rgba(226, 182, 89, 0.45);
            border-color: var(--accent-gold-light);
        }
        .fab-notification {
            position: absolute;
            top: 2px;
            right: 2px;
            width: 12px;
            height: 12px;
            background: #ef4444;
            border-radius: 50%;
            border: 2px solid #0a0f1a;
            animation: pulse-notification 1.8s infinite;
        }
        @keyframes pulse-notification {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 1.2rem;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.show {
                display: flex;
            }
            .btn-nav {
                width: 100%;
                text-align: center;
            }
            .article-container {
                margin-top: 100px;
            }
            .article-header h1 {
                font-size: 1.7rem;
            }
            .article-body {
                font-size: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
      --pri-deep: #0a0f1a;
      --pri-surface: #111827;
      --accent-gold: #e2b659;
      --accent-gold-light: #f0d078;
      --accent-amber: #d97706;
      --text-primary: #f1f5f9;
      --text-muted: #94a3b8;
      --border-subtle: rgba(226, 182, 89, 0.15);
      --shadow-gold: 0 8px 32px rgba(226, 182, 89, 0.08);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
      --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    }
    html {
      scroll-behavior: smooth;
      background-color: var(--pri-deep);
    }
    body {
      font-family: var(--font-body);
      background: var(--pri-deep);
      color: var(--text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      margin: 0;
      padding: 0;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      background: rgba(10, 15, 26, 0.85);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border-subtle);
      transition: background 0.3s ease;
    }
    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .logo-text {
      font-family: var(--font-heading);
      font-weight: 700;
      font-size: 1.35rem;
      letter-spacing: -0.3px;
      background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      white-space: nowrap;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    .nav-links a {
      font-weight: 500;
      font-size: 0.95rem;
      color: var(--text-muted);
      position: relative;
      padding: 0.35rem 0;
      transition: color 0.2s;
    }
    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background: var(--accent-gold);
      transition: width 0.25s ease;
    }
    .nav-links a:hover, .nav-links a.active {
      color: var(--text-primary);
    }
    .nav-links a:hover::after, .nav-links a.active::after {
      width: 100%;
    }
    .btn-nav {
      padding: 0.55rem 1.4rem;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.25s;
      border: 1px solid transparent;
      cursor: pointer;
    }
    .btn-login {
      background: transparent;
      border-color: var(--text-muted);
      color: var(--text-primary);
    }
    .btn-login:hover {
      border-color: var(--accent-gold);
      color: var(--accent-gold);
    }
    .btn-signup {
      background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
      color: #0a0f1a;
      border-color: var(--accent-gold);
    }
    .btn-signup:hover {
      background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
      transform: translateY(-2px);
      box-shadow: var(--shadow-gold);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: var(--text-primary);
      font-size: 1.6rem;
      cursor: pointer;
    }
    .section {
      padding: 90px 0;
    }
    .section-dark {
      background: var(--pri-surface);
    }
    .section-header {
      margin-bottom: 3.5rem;
    }
    .section-label {
      display: inline-block;
      text-transform: uppercase;
      letter-spacing: 1.5px;
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--accent-gold);
      margin-bottom: 0.8rem;
    }
    .section-title {
      font-family: var(--font-heading);
      font-size: 2.4rem;
      font-weight: 700;
      margin-bottom: 1rem;
      line-height: 1.3;
      color: var(--text-primary);
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1.1rem;
      max-width: 650px;
    }
    .page-hero {
      padding-top: 160px;
      padding-bottom: 80px;
      background: radial-gradient(ellipse at 20% 30%, rgba(226,182,89,0.06) 0%, transparent 55%);
      border-bottom: 1px solid var(--border-subtle);
    }
    .text-gradient {
      background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .card-glass {
      background: rgba(17, 24, 39, 0.7);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.8rem;
      backdrop-filter: blur(4px);
      transition: all 0.25s;
    }
    .card-glass:hover {
      border-color: var(--accent-gold);
      box-shadow: var(--shadow-gold);
    }
    .step-item {
      display: flex;
      align-items: flex-start;
      gap: 1.5rem;
      margin-bottom: 2rem;
      text-align: left;
    }
    .step-num {
      width: 48px;
      height: 48px;
      min-width: 48px;
      background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
      color: #0a0f1a;
      font-weight: 700;
      font-size: 1.2rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .faq-item {
      border-bottom: 1px solid var(--border-subtle);
      padding: 1.5rem 0;
      text-align: left;
    }
    .faq-question {
      font-weight: 600;
      font-size: 1.1rem;
      margin-bottom: 0.6rem;
      color: var(--text-primary);
    }
    .faq-answer {
      color: var(--text-muted);
      line-height: 1.7;
    }
    .btn-primary {
      background: var(--accent-gold);
      color: #0a0f1a;
      padding: 0.85rem 2.2rem;
      border-radius: 40px;
      font-weight: 700;
      font-size: 1rem;
      transition: all 0.3s;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      border: none;
      cursor: pointer;
    }
    .btn-primary:hover {
      background: var(--accent-gold-light);
      box-shadow: 0 12px 30px rgba(226,182,89,0.25);
      transform: translateY(-2px);
    }
    .btn-outline-light {
      background: transparent;
      border: 1px solid var(--text-muted);
      color: var(--text-primary);
      padding: 0.85rem 2rem;
      border-radius: 40px;
      font-weight: 600;
      transition: all 0.3s;
    }
    .btn-outline-light:hover {
      border-color: var(--accent-gold);
      color: var(--accent-gold);
    }
    .site-footer {
      background: var(--pri-surface);
      padding: 60px 0 30px;
      border-top: 1px solid var(--border-subtle);
      font-size: 0.95rem;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 2.5rem;
    }
    .footer-brand {
      font-weight: 700;
      font-size: 1.2rem;
      color: var(--accent-gold);
    }
    .site-footer a {
      color: var(--text-muted);
    }
    .site-footer a:hover {
      color: var(--accent-gold);
    }
    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--pri-deep);
        padding: 1.5rem;
        border-bottom: 1px solid var(--border-subtle);
      }
      .nav-links.open {
        display: flex;
      }
      .mobile-toggle {
        display: block;
      }
      .section-title {
        font-size: 1.9rem;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category2 */
:root {
            --pri-deep: #0a0f1a;
            --pri-surface: #111827;
            --accent-gold: #e2b659;
            --accent-gold-light: #f0d078;
            --accent-amber: #d97706;
            --text-primary: #f1f5f9;
            --text-muted: #94a3b8;
            --border-subtle: rgba(226, 182, 89, 0.15);
            --shadow-gold: 0 8px 32px rgba(226, 182, 89, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            background-color: var(--pri-deep);
        }

        body {
            font-family: var(--font-body);
            background: var(--pri-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 15, 26, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background 0.3s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-muted);
            position: relative;
            padding: 0.35rem 0;
            transition: color 0.2s;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .btn-nav {
            padding: 0.55rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s;
            border: 1px solid transparent;
            cursor: pointer;
        }

        .btn-login {
            background: transparent;
            border-color: var(--text-muted);
            color: var(--text-primary);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #0a0f1a;
            border-color: var(--accent-gold);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }

        .hero-section {
            padding: 160px 0 100px;
            position: relative;
            background: radial-gradient(ellipse at 20% 30%, rgba(226, 182, 89, 0.06) 0%, transparent 55%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 1.5rem;
            background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            max-width: 520px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: #0a0f1a;
            padding: 0.85rem 2.2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 12px 30px rgba(226, 182, 89, 0.25);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid var(--text-muted);
            color: var(--text-primary);
            padding: 0.85rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            object-fit: cover;
            width: 100%;
            height: 380px;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2rem;
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
        }

        .hero-stat-item strong {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
        }

        .hero-stat-item span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .section {
            padding: 90px 0;
        }

        .section-dark {
            background: var(--pri-surface);
        }

        .section-header {
            margin-bottom: 3.5rem;
        }

        .section-label {
            display: inline-block;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 650px;
        }

        .expert-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .expert-card {
            background: rgba(17, 24, 39, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
            backdrop-filter: blur(8px);
        }

        .expert-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(226, 182, 89, 0.12);
        }

        .expert-card-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .expert-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .expert-card:hover .expert-card-image img {
            transform: scale(1.05);
        }

        .expert-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--accent-gold);
            color: #0a0f1a;
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .expert-card-body {
            padding: 1.5rem;
        }

        .expert-card-body h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
        }

        .expert-card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }

        .expert-stats {
            display: flex;
            gap: 1.5rem;
            padding-top: 1rem;
            border-top: 1px solid var(--border-subtle);
        }

        .expert-stat-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-gold);
        }

        .expert-stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .analysis-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            padding: 2rem 0;
        }

        .analysis-visual img {
            border-radius: var(--radius-lg);
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
        }

        .analysis-list {
            list-style: none;
            padding: 0;
        }

        .analysis-list li {
            display: flex;
            gap: 1rem;
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border-subtle);
            align-items: flex-start;
        }

        .analysis-list li:last-child {
            border-bottom: none;
        }

        .analysis-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(226, 182, 89, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.3rem;
        }

        .analysis-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 0.3rem;
            color: var(--text-primary);
        }

        .analysis-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .tip-highlight {
            background: linear-gradient(135deg, rgba(226, 182, 89, 0.08) 0%, rgba(217, 119, 6, 0.04) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2rem;
            margin: 2rem 0;
            position: relative;
            overflow: hidden;
        }

        .tip-highlight::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-gold), var(--accent-amber));
            border-radius: 2px;
        }

        .tip-highlight-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1rem;
        }

        .tip-highlight-header i {
            color: var(--accent-gold);
            font-size: 1.3rem;
        }

        .tip-highlight-header span {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--accent-gold);
        }

        .tip-highlight p {
            color: var(--text-muted);
            font-size: 1rem;
            line-height: 1.7;
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(17, 24, 39, 0.5);
            transition: background 0.3s;
            color: var(--text-primary);
        }

        .faq-question:hover {
            background: rgba(17, 24, 39, 0.8);
        }

        .faq-answer {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .cta-banner {
            background: linear-gradient(135deg, rgba(226, 182, 89, 0.1) 0%, rgba(10, 15, 26, 0.95) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
            text-align: center;
        }

        .cta-banner h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-banner p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .site-footer {
            background: var(--pri-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 3rem 0 1.5rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        .footer-grid p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0.5rem;
        }

        .footer-grid h4 {
            font-weight: 600;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }

        .footer-grid a {
            color: var(--text-muted);
            transition: color 0.2s;
        }

        .footer-grid a:hover {
            color: var(--accent-gold);
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .hero-visual img {
                height: 300px;
            }

            .hero-text h1 {
                font-size: 2.6rem;
            }

            .expert-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .analysis-block {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(10, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-subtle);
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            .hero-section {
                padding: 120px 0 60px;
            }

            .hero-text h1 {
                font-size: 2.2rem;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 1.5rem;
            }

            .expert-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.8rem;
            }

            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-outline-light {
                text-align: center;
                justify-content: center;
            }

            .analysis-list li {
                flex-direction: column;
                gap: 0.75rem;
            }

            .cta-banner {
                padding: 2rem 1.25rem;
            }

            .cta-banner h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
    --pri-deep: #0a0f1a;
    --pri-surface: #111827;
    --accent-gold: #e2b659;
    --accent-gold-light: #f0d078;
    --accent-amber: #d97706;
    --text-primary: #f1f5f9;
    --text-muted: #94a3b8;
    --border-subtle: rgba(226, 182, 89, 0.15);
    --shadow-gold: 0 8px 32px rgba(226, 182, 89, 0.08);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  }
html {
    scroll-behavior: smooth;
    background-color: var(--pri-deep);
  }
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
body {
    font-family: var(--font-body);
    background: var(--pri-deep);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
img {
    max-width: 100%;
    height: auto;
    display: block;
  }
a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
  }
.container {
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: rgba(10, 15, 26, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.3s ease;
  }
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }
.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
  }
.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-muted);
    position: relative;
    padding: 0.35rem 0;
    transition: color 0.2s;
  }
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.25s ease;
  }
.nav-links a:hover, .nav-links a.active {
    color: var(--text-primary);
  }
.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
  }
.btn-nav {
    padding: 0.55rem 1.4rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.25s;
    border: 1px solid transparent;
    cursor: pointer;
  }
.btn-login {
    background: transparent;
    border-color: var(--text-muted);
    color: var(--text-primary);
  }
.btn-login:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
  }
.btn-signup {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
    color: #0a0f1a;
    border-color: var(--accent-gold);
  }
.btn-signup:hover {
    background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
  }
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.6rem;
    cursor: pointer;
  }
.hero-section {
    padding: 160px 0 100px;
    position: relative;
    background: radial-gradient(ellipse at 20% 30%, rgba(226,182,89,0.06) 0%, transparent 55%);
  }
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }
.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
.hero-text p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 520px;
    line-height: 1.7;
  }
.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
  }
.btn-primary {
    background: var(--accent-gold);
    color: #0a0f1a;
    padding: 0.85rem 2.2rem;
    border-radius: 40px;
    font-weight: 700;
    font-size: 1rem;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
  }
.btn-primary:hover {
    background: var(--accent-gold-light);
    box-shadow: 0 12px 30px rgba(226,182,89,0.25);
    transform: translateY(-2px);
  }
.btn-outline-light {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-primary);
    padding: 0.85rem 2rem;
    border-radius: 40px;
    font-weight: 600;
    transition: all 0.3s;
  }
.btn-outline-light:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
  }
.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  }
.hero-visual img {
    border-radius: var(--radius-lg);
    object-fit: cover;
    width: 100%;
    height: 380px;
  }
.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-subtle);
    padding-top: 1.5rem;
  }
.hero-stat-item strong {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--accent-gold);
    display: block;
  }
.hero-stat-item span {
    font-size: 0.85rem;
    color: var(--text-muted);
  }
.section {
    padding: 90px 0;
  }
.section-dark {
    background: var(--pri-surface);
  }
.section-header {
    margin-bottom: 3.5rem;
  }
.section-label {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 0.8rem;
  }
.section-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
  }
.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 650px;
  }
.expert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }
.expert-card {
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.8rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(8px);
    text-align: left;
  }
.expert-card:hover {
    border-color: var(--accent-gold);
    box-shadow: var(--shadow-gold);
    transform: translateY(-6px);
  }
.expert-card i {
    font-size: 2.4rem;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
  }
.expert-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.9rem;
    color: var(--text-primary);
  }
.expert-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
  }
.process-list {
    display: flex;
    flex-direction: column;
    gap: 2.2rem;
    max-width: 800px;
    margin: 0 auto;
  }
.process-item {
    display: flex;
    gap: 1.8rem;
    align-items: flex-start;
    background: rgba(17, 24, 39, 0.6);
    padding: 1.8rem 2rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--accent-gold);
    transition: all 0.3s;
  }
.process-item:hover {
    background: rgba(17, 24, 39, 0.9);
    border-left-color: var(--accent-gold-light);
  }
.process-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent-gold);
    min-width: 50px;
    line-height: 1;
    font-family: var(--font-heading);
  }
.process-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
  }
.process-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
  }
.insight-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
.insight-card {
    background: rgba(17, 24, 39, 0.6);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    transition: 0.3s;
    text-align: left;
  }
.insight-card:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 12px 28px rgba(0,0,0,0.3);
  }
.insight-thumb {
    height: 200px;
    object-fit: cover;
  }
.insight-body {
    padding: 1.6rem 1.8rem 2rem;
  }
.insight-tag {
    display: inline-block;
    background: rgba(226,182,89,0.15);
    color: var(--accent-gold);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.9rem;
    border-radius: 20px;
    margin-bottom: 0.8rem;
    text-transform: uppercase;
  }
.insight-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    line-height: 1.4;
  }
.insight-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
  }
.insight-link {
    font-weight: 600;
    color: var(--accent-gold);
    font-size: 0.9rem;
  }
.insight-link i {
    margin-left: 0.35rem;
    transition: transform 0.2s;
  }
.insight-link:hover i {
    transform: translateX(4px);
  }
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.8rem;
    max-width: 1000px;
    margin: 0 auto;
  }
.faq-item {
    background: rgba(17, 24, 39, 0.6);
    border-radius: var(--radius-md);
    padding: 2rem;
    border: 1px solid var(--border-subtle);
  }
.faq-item h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    color: var(--accent-gold);
  }
.faq-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
  }
.cta-section {
    background: linear-gradient(145deg, #0f172a 0%, #111827 100%);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    text-align: center;
    padding: 4.5rem 2rem;
    margin: 0 1.5rem;
  }
.cta-section h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1rem;
  }
.cta-section p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2rem;
  }
.site-footer {
    background: #0a0e17;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: 1px solid var(--border-subtle);
  }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2.5rem;
  }
.footer-brand {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 0.8rem;
  }
.footer-grid p {
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 0.9rem;
  }
.footer-grid a {
    color: var(--text-muted);
    transition: color 0.2s;
    font-size: 0.9rem;
  }
.footer-grid a:hover {
    color: var(--accent-gold);
  }
@keyframes floatFAB {
  0% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
  100% { transform: translateY(0); }
}
.fab {
  position: fixed;
  left: 1.5rem;
  bottom: 6rem;
  z-index: 50;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #e2b659, #d97706);
  box-shadow: 0 4px 20px rgba(226,182,89,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.7;
  animation: floatFAB 3s ease-in-out infinite;
  transition: all 0.3s;
  border: 2px solid rgba(255,215,0,0.5);
}
.fab:hover {
  opacity: 1;
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(226,182,89,0.5);
}
.fab i {
  color: #0a0f1a;
  font-size: 1.5rem;
}
@media(max-width:1024px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual img { height: 280px; }
  .expert-grid { grid-template-columns: repeat(2,1fr); }
  .insight-grid { grid-template-columns: 1fr; }
}
@media(max-width:768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .hero-text h1 { font-size: 2.4rem; }
  .expert-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 1.2rem; }
  .section-title { font-size: 1.9rem; }
}

/* roulang page: category4 */
:root {
            --pri-deep: #0a0f1a;
            --pri-surface: #111827;
            --accent-gold: #e2b659;
            --accent-gold-light: #f0d078;
            --accent-amber: #d97706;
            --text-primary: #f1f5f9;
            --text-muted: #94a3b8;
            --border-subtle: rgba(226, 182, 89, 0.15);
            --shadow-gold: 0 8px 32px rgba(226, 182, 89, 0.08);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --font-heading: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            background-color: var(--pri-deep);
        }

        body {
            font-family: var(--font-body);
            background: var(--pri-deep);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        * {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        .container {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: rgba(10, 15, 26, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background 0.3s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-muted);
            position: relative;
            padding: 0.35rem 0;
            transition: color 0.2s;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gold);
            transition: width 0.25s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--text-primary);
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .btn-nav {
            padding: 0.55rem 1.4rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.25s;
            border: 1px solid transparent;
            cursor: pointer;
            font-family: var(--font-body);
        }

        .btn-login {
            background: transparent;
            border-color: var(--text-muted);
            color: var(--text-primary);
        }

        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #0a0f1a;
            border-color: var(--accent-gold);
        }

        .btn-signup:hover {
            background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Hero */
        .hero-section {
            padding: 160px 0 100px;
            position: relative;
            background: radial-gradient(ellipse at 20% 30%, rgba(226, 182, 89, 0.06) 0%, transparent 55%);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 3.2rem;
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 1.5rem;
            background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 2rem;
            max-width: 520px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn-primary {
            background: var(--accent-gold);
            color: #0a0f1a;
            padding: 0.85rem 2.2rem;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
            font-family: var(--font-body);
        }

        .btn-primary:hover {
            background: var(--accent-gold-light);
            box-shadow: 0 12px 30px rgba(226, 182, 89, 0.25);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid var(--text-muted);
            color: var(--text-primary);
            padding: 0.85rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            transition: all 0.3s;
            cursor: pointer;
            font-family: var(--font-body);
        }

        .btn-outline-light:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            object-fit: cover;
            width: 100%;
            height: 380px;
        }

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2rem;
            border-top: 1px solid var(--border-subtle);
            padding-top: 1.5rem;
        }

        .hero-stat-item strong {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
        }

        .hero-stat-item span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Sections */
        .section {
            padding: 90px 0;
        }

        .section-dark {
            background: var(--pri-surface);
        }

        .section-header {
            margin-bottom: 3.5rem;
        }

        .section-label {
            display: inline-block;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 650px;
        }

        /* Benefit cards */
        .benefit-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .benefit-card {
            background: var(--pri-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .benefit-card:hover {
            border-color: var(--accent-gold);
            box-shadow: 0 16px 40px rgba(226, 182, 89, 0.08);
            transform: translateY(-4px);
        }

        .benefit-icon {
            font-size: 2.2rem;
            color: var(--accent-gold);
            margin-bottom: 1.2rem;
        }

        .benefit-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }

        .benefit-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* How it works / steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .step-card {
            text-align: left;
            position: relative;
        }

        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-amber) 100%);
            color: #0a0f1a;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 1rem;
        }

        .step-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Two column block */
        .two-col-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .two-col-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
        }

        .two-col-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .two-col-text h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .two-col-text p {
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .check-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem 0;
        }

        .check-list li {
            padding-left: 1.8rem;
            position: relative;
            margin-bottom: 0.6rem;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .check-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
        }

        /* Pricing / plan table */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .plan-card {
            background: var(--pri-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2.5rem 2rem;
            text-align: left;
            transition: all 0.3s;
            position: relative;
        }

        .plan-card.featured {
            border-color: var(--accent-gold);
            box-shadow: 0 16px 40px rgba(226, 182, 89, 0.12);
            transform: scale(1.02);
        }

        .plan-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent-gold);
            color: #0a0f1a;
            padding: 0.3rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .plan-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .plan-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 1.5rem;
        }

        .plan-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 2rem 0;
        }

        .plan-card ul li {
            padding-left: 1.5rem;
            position: relative;
            margin-bottom: 0.5rem;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .plan-card ul li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--accent-gold);
            font-size: 0.8rem;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--pri-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.2s;
        }

        .faq-item:hover {
            border-color: var(--accent-gold);
        }

        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            color: var(--text-primary);
            width: 100%;
            text-align: left;
            font-family: var(--font-body);
            transition: color 0.2s;
        }

        .faq-question:hover {
            color: var(--accent-gold);
        }

        .faq-answer {
            padding: 0 1.5rem 1.2rem 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question {
            color: var(--accent-gold);
        }

        .faq-icon {
            transition: transform 0.3s;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--pri-surface) 0%, #1a1f2e 100%);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            text-align: center;
            border: 1px solid var(--border-subtle);
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            margin-bottom: 2rem;
        }

        /* Footer */
        .site-footer {
            background: var(--pri-surface);
            padding: 4rem 0 2rem;
            border-top: 1px solid var(--border-subtle);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--accent-gold);
            margin-bottom: 0.8rem;
        }

        .site-footer p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 0.4rem;
        }

        .site-footer h4 {
            color: white;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }

        .site-footer a {
            color: var(--text-muted);
            transition: color 0.2s;
        }

        .site-footer a:hover {
            color: var(--accent-gold);
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual img {
                height: 300px;
            }
            .benefit-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plan-grid {
                grid-template-columns: 1fr;
                max-width: 450px;
                margin: 0 auto;
            }
            .two-col-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-text h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 15, 26, 0.95);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid var(--border-subtle);
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .benefit-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 1.5rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: 2.5rem 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .section {
                padding: 60px 0;
            }
            .hero-section {
                padding: 130px 0 70px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline-light {
                text-align: center;
                justify-content: center;
            }
        }