html[data-theme="light"] {
    --tb-bg: #FCFCFA;
    --tb-surface: #FFFFFF;
    --tb-surface-soft: #F7F6F3;
    --tb-border: #E7E3DD;

    --tb-text: #1F1F1C;
    --tb-text-muted: #5F5A52;

    --tb-button-primary-bg: #262626;
    --tb-button-primary-text: #FFFFFF;

    --tb-button-secondary-bg: #FFFFFF;
    --tb-button-secondary-text: #1F1F1C;
    --tb-button-secondary-border: #D8D2CA;

    --tb-accent: #EE4C2C;
    --tb-accent-soft: #F6D7D0;
}

html[data-theme="dark"] {
    --tb-bg: #121212;
    --tb-surface: #1B1B1A;
    --tb-surface-soft: #222220;
    --tb-border: #353330;

    --tb-text: #F3F2EF;
    --tb-text-muted: #C2BDB5;

    --tb-button-primary-bg: #F6F6F6;
    --tb-button-primary-text: #1A1A18;

    --tb-button-secondary-bg: #1B1B1A;
    --tb-button-secondary-text: #F3F2EF;
    --tb-button-secondary-border: #4A4641;

    --tb-accent: #EE4C2C;
    --tb-accent-soft: #5A2C23;
}

.tb-home {
    color: var(--tb-text);
    padding-bottom: 2rem;
}

.tb-hero {
    padding: 3rem 0 2.5rem 0;
}

.tb-title {
    font-family: "Roboto", sans-serif;
    font-size: 3rem;
    font-weight: 400;
    letter-spacing: 0.05rem;
    color: var(--tb-text);
    margin-bottom: 0.4rem;
}

.tb-subtitle {
    font-size: 1.3rem;
    color: var(--tb-text-muted);
    margin-bottom: 1.5rem;
}

.tb-intro {
    background: var(--tb-surface);
    border: 1px solid var(--tb-border);
    border-radius: 1rem;
    padding: 1.25rem 1.4rem;
    color: var(--tb-text);
}

.tb-intro p {
    margin-bottom: 0.8rem;
}

.tb-intro ul {
    margin: 0;
    padding-left: 1.1rem;
}

.tb-intro li {
    color: var(--tb-text-muted);
}

.tb-buttons {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
}

.tb-btn {
    display: inline-block;
    padding: 0.7rem 1rem;
    border-radius: 0.8rem;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.tb-btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.tb-btn-primary {
    background: var(--tb-button-primary-bg);
    color: var(--tb-button-primary-text);
    border: 1px solid transparent;
}

.tb-btn-primary:hover {
    color: var(--tb-button-primary-text);
    box-shadow: 0 8px 20px rgba(0,0,0,0.10);
}

.tb-btn-secondary {
    background: var(--tb-button-secondary-bg);
    color: var(--tb-button-secondary-text);
    border: 1px solid var(--tb-button-secondary-border);
}

.tb-btn-secondary:hover {
    color: var(--tb-button-secondary-text);
    border-color: var(--tb-accent);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.tb-sections {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tb-section-block {
    background: var(--tb-surface-soft);
    border: 1px solid var(--tb-border);
    border-radius: 1.2rem;
    padding: 1.6rem;
}

.tb-section-header {
    text-align: center;
    margin-bottom: 1.4rem;
}

.tb-section-header h2 {
    font-size: 1.55rem;
    font-weight: 500;
    color: var(--tb-text);
    margin: 0;
}

.tb-section-header::after {
    content: "";
    display: block;
    width: 36px;
    height: 2px;
    margin:0.7rem auto 0 auto;
    background: var(--tb-accent-soft);
    border-radius: 999px;
}

.tb-card {
    display: block;
    height: 100%;
    background: var(--tb-surface);
    border: 1px solid var(--tb-border);
    border-radius: 1rem;
    text-decoration: none;
    color: inherit;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.tb-card:hover {
    color: inherit;
    text-decoration: none;
    transform: translateY(-2px);
    border-color: var(--tb-accent);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.05);
}

.tb-card-body {
    padding: 1.25rem;
}

.tb-card h3 {
    font-size: 1.02rem;
    font-weight: 500;
    color: var(--tb-text);
    margin-bottom: 0.45rem;
}

.tb-card p {
    margin: 0;
    color: var(--tb-text-muted);
    line-height: 1.55;
}

@media (max-width: 991.98px) {
    .tb-title {
        font-size: 2.4rem;
    }

    .tb-hero {
        padding-top: 2rem;
    }
}