/* ==========================================================================
   xvideosteen.icu | Liquid Glass Gold & Obsidian Black Ecosystem
   Visual: Deep Cosmic Obsidian, 24K Liquid Temple Gold, Frosted Refractions
   ========================================================================== */

:root {
    --bg-main: #0A0A0D;
    --bg-secondary: #121217;
    --bg-card: rgba(20, 20, 28, 0.76);
    --bg-card-hover: rgba(28, 28, 40, 0.94);

    /* 24K Luxury Gold */
    --gold-primary: #D4AF37;
    --gold-bright: #F59E0B;
    --gold-champagne: #FDE047;
    --gold-deep: #B45309;
    --gold-gradient: linear-gradient(135deg, #FFE259 0%, #FFA751 100%);
    --gold-glow: rgba(245, 158, 11, 0.28);
    --gold-glow-strong: rgba(245, 158, 11, 0.5);

    /* Glass Reflections & Borders */
    --glass-border: rgba(212, 175, 55, 0.25);
    --glass-border-focus: rgba(255, 226, 89, 0.6);
    --glass-shadow: 0 18px 45px rgba(0, 0, 0, 0.75);

    /* Typography */
    --text-white: #FFFFFF;
    --text-gold: #FCD34D;
    --text-muted: #94A3B8;
    --text-dim: #64748B;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 26px;
    --radius-pill: 9999px;
    --blur-val: 22px;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-main);
    color: var(--text-white);
    font-family: 'Prompt', 'Plus Jakarta Sans', sans-serif;
    line-height: 1.76;
    overflow-x: hidden;
    position: relative;
    background-image: 
        radial-gradient(circle at 10% 10%, rgba(212, 175, 55, 0.08) 0%, transparent 45%),
        radial-gradient(circle at 90% 90%, rgba(245, 158, 11, 0.06) 0%, transparent 50%);
}

.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.55;
    animation: cosmicPulse 24s infinite alternate ease-in-out;
}

.glow-gold-top {
    width: 650px;
    height: 650px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.22), transparent 70%);
    top: -120px;
    left: -140px;
}

.glow-gold-bottom {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.18), transparent 75%);
    bottom: -100px;
    right: -100px;
    animation-duration: 28s;
}

@keyframes cosmicPulse {
    0% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.08) translate(30px, -20px); }
    100% { transform: scale(0.95) translate(-20px, 30px); }
}

.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.page-main-layout {
    margin-top: 30px;
}

.section-block {
    padding: 50px 0;
}

/* Header */
.header-glass-sticky {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 13, 0.94);
    backdrop-filter: blur(var(--blur-val));
    -webkit-backdrop-filter: blur(var(--blur-val));
    border-bottom: 1px solid var(--glass-border);
    padding: 12px 0;
}

.header-content-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-identity-link {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.brand-logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 12px rgba(245, 158, 11, 0.5));
}

.quick-nav-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-chip-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-pill);
    padding: 8px 18px;
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.25s ease;
}

.nav-chip-link:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--gold-champagne);
    color: var(--gold-champagne);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--gold-glow);
}

.btn-gold-action {
    background: var(--gold-gradient);
    color: #000000;
    border: none;
    border-radius: var(--radius-pill);
    padding: 10px 24px;
    font-size: 0.92rem;
    font-weight: 800;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px var(--gold-glow);
    transition: all 0.25s ease;
}

.btn-gold-action:hover {
    transform: scale(1.03);
    box-shadow: 0 6px 25px var(--gold-glow-strong);
}

/* Hero Overview Card */
.hero-overview-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-val));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 45px 40px;
    margin-bottom: 40px;
    box-shadow: var(--glass-shadow);
}

.luxury-gold-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold-gradient);
    color: #000000;
    font-size: 0.78rem;
    font-weight: 900;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}

.hero-title-gradient {
    font-size: clamp(1.8rem, 3.8vw, 2.7rem);
    font-weight: 900;
    line-height: 1.25;
    color: #FFFFFF;
    margin-bottom: 14px;
}

.hero-title-gradient span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-lead-paragraph {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 860px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.telemetry-compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.telemetry-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(212, 175, 55, 0.18);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
}

.t-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 700;
}

.t-value {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--gold-champagne);
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* Section Header */
.section-title-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.title-gold-icon {
    width: 48px;
    height: 48px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid var(--gold-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-bright);
    font-size: 1.4rem;
}

.section-headline {
    font-size: 1.7rem;
    font-weight: 900;
    color: #FFFFFF;
}

.section-subheadline {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Section 1: Games Detailed Stack (5 Games)
   ========================================================================== */
.games-detail-stack {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.game-deep-card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-val));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: 240px 1fr;
    box-shadow: var(--glass-shadow);
    transition: all 0.35s ease;
}

.game-deep-card:hover {
    transform: translateY(-4px);
    border-color: var(--gold-champagne);
    box-shadow: 0 16px 45px var(--gold-glow);
}

.game-cover-portrait {
    position: relative;
    height: 300px;
    background: #000000;
    overflow: hidden;
}

.game-cover-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

.game-deep-card:hover .game-cover-portrait img {
    transform: scale(1.08);
}

.portrait-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(10, 10, 13, 0.9);
    border: 1px solid var(--gold-primary);
    color: var(--gold-champagne);
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    z-index: 2;
}

.game-info-content {
    padding: 24px 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.game-meta-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.category-tag {
    font-size: 0.76rem;
    font-weight: 800;
    color: var(--gold-bright);
    letter-spacing: 0.5px;
}

.rtp-highlight {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--gold-champagne);
}

.game-display-title {
    font-size: 1.4rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 12px;
}

.game-stat-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.game-stat-pills span {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-white);
}

.game-mechanic-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.72;
    margin-bottom: 20px;
    flex-grow: 1;
}

.game-action-buttons {
    display: flex;
    gap: 12px;
}

.btn-play-game {
    background: var(--gold-gradient);
    color: #000000;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 22px;
    font-size: 0.88rem;
    font-weight: 800;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: opacity 0.2s, transform 0.2s;
}

.btn-play-game:hover {
    opacity: 0.92;
    transform: translateY(-2px);
}

.btn-demo-trigger {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    color: var(--text-white);
    border-radius: var(--radius-sm);
    padding: 10px 18px;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
}

.btn-demo-trigger:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--gold-champagne);
    color: var(--gold-champagne);
}

/* ==========================================================================
   Section 2: Content Overview (สารัตถะวิชาการภาพรวม FN789VIP)
   ========================================================================== */
.overview-article-panel {
    background: var(--bg-card);
    backdrop-filter: blur(var(--blur-val));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--glass-shadow);
}

.article-panel-header {
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
    padding-bottom: 20px;
    margin-bottom: 28px;
}

.article-headline-gold {
    font-size: 1.85rem;
    font-weight: 900;
    line-height: 1.35;
    color: #FFFFFF;
    margin: 10px 0 8px;
}

.article-meta-stamp {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.article-body-content h3 {
    font-size: 1.35rem;
    color: var(--text-gold);
    font-weight: 800;
    margin: 30px 0 12px;
}

.article-body-content p {
    font-size: 1.02rem;
    color: var(--text-muted);
    line-height: 1.84;
    margin-bottom: 20px;
}

.content-highlight-box {
    background: rgba(245, 158, 11, 0.08);
    border-left: 4px solid var(--gold-primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 24px 28px;
    margin: 28px 0;
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.highlight-icon {
    font-size: 1.8rem;
    color: var(--gold-bright);
    margin-top: 4px;
}

.content-highlight-box h4 {
    font-size: 1.15rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 6px;
}

.content-highlight-box p {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Modal Popup */
.demo-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(5, 5, 8, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 20px;
}

.demo-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.demo-modal-card {
    background: linear-gradient(135deg, rgba(26, 26, 36, 0.97), rgba(14, 14, 19, 0.98));
    border: 1px solid rgba(212, 175, 55, 0.45);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.95), 0 0 35px rgba(245, 158, 11, 0.25);
    border-radius: 24px;
    max-width: 520px;
    width: 100%;
    padding: 38px 30px;
    position: relative;
    text-align: center;
    transform: scale(0.92) translateY(20px);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.demo-modal-overlay.active .demo-modal-card {
    transform: scale(1) translateY(0);
}

.demo-modal-close {
    position: absolute;
    top: 16px;
    right: 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.25s ease;
}

.demo-modal-close:hover {
    background: rgba(220, 38, 38, 0.8);
    border-color: #EF4444;
    transform: rotate(90deg);
}

.demo-modal-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--gold-gradient);
    color: #000000;
    font-size: 0.78rem;
    font-weight: 900;
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    margin-bottom: 16px;
}

.demo-modal-title {
    font-size: 1.55rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 10px;
}

.demo-modal-title span {
    background: var(--gold-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.demo-modal-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 26px;
}

.demo-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-modal-line {
    background: linear-gradient(135deg, #06C755, #048C3B);
    color: #FFFFFF;
    padding: 14px 20px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(6, 199, 85, 0.4);
    transition: all 0.25s ease;
}

.btn-modal-line:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(6, 199, 85, 0.55);
}

.btn-modal-demo {
    background: var(--gold-gradient);
    color: #000000;
    padding: 13px 20px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.35);
    transition: all 0.25s ease;
}

.btn-modal-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5);
}

/* Footer & Keyword Panel */
.site-footer-dark {
    background: #060608;
    border-top: 1px solid var(--glass-border);
    padding: 50px 0 30px;
    margin-top: 60px;
}

.footer-summary-panel {
    background: rgba(20, 20, 28, 0.5);
    border: 1px solid rgba(212, 175, 55, 0.16);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-bottom: 35px;
}

.footer-summary-panel h3 {
    font-size: 1.25rem;
    color: var(--text-gold);
    margin-bottom: 12px;
}

.footer-summary-panel p {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.banking-badge-row {
    text-align: center;
    margin-bottom: 30px;
}

.banking-title-sub {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-gold);
    margin-bottom: 14px;
}

.bank-icons-pack {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.bank-tag {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 700;
    color: #FFFFFF;
}

.footer-copy-text {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-dim);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 20px;
}

.seo-anchor-gold {
    color: var(--text-gold);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1px dashed var(--gold-primary);
    transition: all 0.2s;
}

.seo-anchor-gold:hover {
    color: #FFFFFF;
    border-bottom-style: solid;
}

/* Responsive Rules */
@media (max-width: 992px) {
    .header-content-row {
        flex-direction: column;
        gap: 14px;
    }
    .game-deep-card {
        grid-template-columns: 1fr;
    }
    .game-cover-portrait {
        height: 250px;
    }
}

@media (max-width: 640px) {
    .hero-overview-card, .overview-article-panel {
        padding: 24px;
    }
    .quick-nav-bar {
        display: none;
    }
    .game-info-content {
        padding: 18px;
    }
    .game-action-buttons {
        flex-direction: column;
    }
}