/* ===== Sita.Live.New - Light & Clean Theme ===== */

:root {
    --sita-bg: #f8f9fa;
    --sita-surface: #ffffff;
    --sita-text: #1a1d23;
    --sita-muted: #6b7280;
    --sita-border: #e5e7eb;
    --sita-accent-teal: #5BAFA0;
    --sita-accent-indigo: #5A6ACF;
    --sita-accent-blue: #06B2F8;
    --sita-radius: 14px;
    --sita-radius-lg: 20px;
    --sita-header-h: 64px;
}

/* ===== Force Light Mode (prevent Android Chrome auto-dark) ===== */
html, body { color-scheme: light only !important; }
@media (prefers-color-scheme: dark) {
    html, body {
        background-color: #f8f9fa !important;
        color: #1a1d23 !important;
        color-scheme: light only !important;
    }
}

/* ===== Base ===== */
html { scroll-behavior: smooth; }

body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--sita-text);
    background: var(--sita-bg);
    -webkit-font-smoothing: antialiased;
}

/* ===== Header / Navbar ===== */
.sita-header .navbar {
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--sita-border);
    height: var(--sita-header-h);
    padding: 0;
    transition: box-shadow 0.2s;
}

.sita-header .navbar.scrolled {
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

.sita-header .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--sita-text);
    padding: 8px 14px !important;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
}

.sita-header .nav-link:hover {
    background: rgba(0,0,0,0.04);
    color: var(--sita-accent-teal);
}

.sita-header .dropdown-menu {
    border: 1px solid var(--sita-border);
    border-radius: 12px;
    padding: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.sita-header .dropdown-item {
    border-radius: 8px;
    font-size: 14px;
    padding: 8px 12px;
}

.sita-header .dropdown-item:hover {
    background: rgba(0,0,0,0.04);
}

/* ===== Primary Button ===== */
.btn-sita-primary {
    background: var(--sita-accent-teal);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    border: none;
    transition: background 0.2s, transform 0.15s;
}

.btn-sita-primary:hover {
    background: #4a9e90;
    color: #fff;
    transform: translateY(-1px);
}

/* ===== Hero Section ===== */
.sita-hero {
    padding: calc(var(--sita-header-h) + 48px) 0 32px;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, var(--sita-bg) 100%);
}

.sita-hero h1 {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
}

.sita-hero .hero-subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    color: var(--sita-muted);
    max-width: 600px;
    margin: 0 auto 32px;
}

.sita-hero .hero-badges {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}

.sita-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    background: rgba(91,175,160,0.1);
    color: var(--sita-accent-teal);
}

/* ===== Social Proof Bar ===== */
.sita-proof-bar {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding: 40px 0;
}

.sita-proof-item {
    text-align: center;
}

.sita-proof-item .proof-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--sita-text);
    line-height: 1;
}

.sita-proof-item .proof-label {
    font-size: 13px;
    color: var(--sita-muted);
    margin-top: 4px;
}

/* ===== Category Cards ===== */
.sita-category-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .sita-category-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
}

.sita-category-card {
    position: relative;
    border-radius: var(--sita-radius-lg);
    padding: 32px 24px;
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
    text-decoration: none;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.sita-category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.15);
    color: #fff;
}

.sita-category-card.sports { background: linear-gradient(135deg, #06B2F8 0%, #0490d4 100%); }
.sita-category-card.health { background: linear-gradient(135deg, #5BAFA0 0%, #489e90 100%); }
.sita-category-card.education { background: linear-gradient(135deg, #5A6ACF 0%, #4858b5 100%); }

.sita-category-card .card-icon {
    font-size: 36px;
    margin-bottom: 12px;
    opacity: 0.9;
}

.sita-category-card .card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.sita-category-card .card-desc {
    font-size: 14px;
    opacity: 0.85;
}

/* ===== How It Works ===== */
.sita-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

@media (max-width: 768px) {
    .sita-steps { grid-template-columns: 1fr; }
}

.sita-step .step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--sita-accent-teal);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.sita-step h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.sita-step p {
    font-size: 14px;
    color: var(--sita-muted);
}

/* ===== CTA Section ===== */
.sita-cta-section {
    background: linear-gradient(135deg, #3d8a7e 0%, #414fa3 100%);
    border-radius: var(--sita-radius-lg);
    padding: 48px 32px;
    text-align: center;
    color: #fff;
}

.sita-cta-section h2 {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    margin-bottom: 12px;
}

.sita-cta-section p {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 24px;
}

.btn-sita-white {
    background: #fff;
    color: var(--sita-text);
    font-weight: 600;
    border: none;
    padding: 12px 28px;
    border-radius: 12px;
    font-size: 15px;
    transition: transform 0.15s, box-shadow 0.2s;
}

.btn-sita-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* ===== Get Started Section ===== */
.sita-get-started {
    text-align: center;
    padding: 48px 0;
    background: linear-gradient(135deg, #5BAFA0 0%, #5A6ACF 100%);
    color: #fff;
    border-radius: 0;
}

.sita-get-started h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 6px;
}

.sita-get-started p {
    opacity: 0.9;
    margin-bottom: 24px;
    font-size: 15px;
}

.sita-get-started-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.15s, box-shadow 0.2s;
    text-decoration: none;
}

.sita-get-started-btn:hover {
    transform: translateY(-2px);
}

.sita-get-started-primary {
    background: #fff;
    color: #1a1d23;
}

.sita-get-started-primary:hover {
    color: #1a1d23;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.sita-get-started-secondary {
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
}

.sita-get-started-secondary:hover {
    background: rgba(255,255,255,0.25);
    color: #fff;
}

/* ===== Section Utilities ===== */
.sita-section {
    padding: 40px 0;
}

.sita-section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}

.sita-section-subtitle {
    font-size: 16px;
    color: var(--sita-muted);
    text-align: center;
    margin-bottom: 40px;
}

/* ===== Footer ===== */
.sita-footer {
    background: var(--sita-surface);
    border-top: 1px solid var(--sita-border);
    margin-top: 60px;
}

.sita-footer h6 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sita-text);
}

.sita-footer a {
    transition: color 0.15s;
}

.sita-footer a:hover {
    color: var(--sita-accent-teal) !important;
}

/* ===== Professional Card ===== */
.sita-pro-card {
    background: var(--sita-surface);
    border: 1px solid var(--sita-border);
    border-radius: var(--sita-radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--sita-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sita-pro-card:hover {
    border-color: var(--sita-accent-teal);
    box-shadow: 0 4px 16px rgba(91,175,160,0.12);
    color: var(--sita-text);
}

.sita-pro-card .pro-img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.sita-pro-card .pro-name {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.sita-pro-card .pro-keyword {
    font-size: 13px;
    color: var(--sita-muted);
    margin-bottom: 4px;
}

.sita-pro-card .pro-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
}

.sita-pro-card .pro-rating .ti-star-filled {
    color: #ef5518;
}

.sita-pro-card .verified-badge {
    color: var(--sita-accent-teal);
    font-size: 16px;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .sita-header .navbar-collapse {
        background: var(--sita-surface);
        border-radius: 0 0 16px 16px;
        padding: 16px;
        border: 1px solid var(--sita-border);
        border-top: none;
        margin-top: 1px;
    }
}

@media (max-width: 576px) {
    .sita-proof-bar { gap: 24px; }
    .sita-proof-item .proof-value { font-size: 24px; }
}