/* ==========================================================================
   Fenomena1688 | Liquid Glass Ecosystem (Light White, Green & Purple)
   ========================================================================== */

:root {
    /* Pure Bright Surface Base */
    --bg-light: #FBFBFE;
    --bg-glass: rgba(255, 255, 255, 0.82);
    --bg-glass-card: rgba(255, 255, 255, 0.74);
    --bg-glass-elevated: rgba(255, 255, 255, 0.94);

    /* Emerald Mint Palette (Green) */
    --emerald-primary: #059669;
    --emerald-neon: #10B981;
    --emerald-light: #A7F3D0;
    --emerald-soft: #ECFDF5;
    --emerald-glow: rgba(16, 185, 129, 0.22);

    /* Royal Violet Palette (Purple) */
    --violet-primary: #7C3AED;
    --violet-neon: #8B5CF6;
    --violet-light: #DDD6FE;
    --violet-soft: #F5F3FF;
    --violet-glow: rgba(124, 58, 237, 0.2);

    /* Liquid Glass Details */
    --border-glass: rgba(124, 58, 237, 0.12);
    --border-emerald-focus: rgba(16, 185, 129, 0.35);
    --shadow-liquid: 0 16px 38px rgba(109, 40, 217, 0.05);

    /* Typography */
    --text-primary: #0F172A;
    --text-body: #334155;
    --text-muted: #64748B;

    /* Radii & Blur */
    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 28px;
    --radius-pill: 9999px;
    --blur-val: 20px;
}

/* Global Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-light);
    color: var(--text-body);
    font-family: 'Noto Sans Thai', 'Plus Jakarta Sans', sans-serif;
    line-height: 1.74;
    overflow-x: hidden;
    position: relative;
}

/* Ambient Liquid Orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(140px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.65;
    animation: liquidDrift 20s infinite alternate ease-in-out;
}

.orb-emerald-mint {
    width: 620px;
    height: 620px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.24), transparent 70%);
    top: -120px;
    left: -80px;
}

.orb-royal-violet {
    width: 680px;
    height: 680px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.22), transparent 75%);
    bottom: -150px;
    right: -100px;
    animation-duration: 25s;
}

.orb-prism-white {
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, #FFFFFF, transparent 70%);
    top: 35%;
    left: 40%;
    opacity: 0.9;
}

@keyframes liquidDrift {
    0% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-35px, 45px) scale(1.08); }
    100% { transform: translate(30px, -25px) scale(0.94); }
}

/* Base Container */
.container {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.section-container {
    padding: 65px 0;
}

/* Liquid Glass Cards */
.glass-surface {
    background: var(--bg-glass-card);
    backdrop-filter: blur(var(--blur-val)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--blur-val)) saturate(180%);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-liquid);
    border-radius: var(--radius-md);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-surface:hover {
    background: var(--bg-glass-elevated);
    border-color: var(--border-emerald-focus);
    box-shadow: 0 20px 45px var(--emerald-glow);
    transform: translateY(-3px);
}

/* Navigation Header */
.header-glass-wrapper {
    position: sticky;
    top: 18px;
    z-index: 100;
    margin-bottom: 30px;
}

.liquid-glass-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-pill);
    padding: 12px 28px;
    box-shadow: 0 8px 32px rgba(124, 58, 237, 0.06);
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-shield {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--emerald-neon), var(--violet-primary));
    color: #FFF;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 15px var(--emerald-glow);
}

.brand-name-group {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.28rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.brand-accent {
    color: var(--emerald-primary);
}

.brand-subtitle {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--violet-primary);
    letter-spacing: 1.2px;
}

.nav-links-menu {
    display: flex;
    list-style: none;
    gap: 26px;
}

.nav-links-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.94rem;
    transition: color 0.25s;
}

.nav-links-menu a:hover {
    color: var(--emerald-primary);
}

/* Button UI */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    border-radius: var(--radius-pill);
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
}

.btn-emerald-violet {
    background: linear-gradient(135deg, var(--emerald-neon), var(--violet-primary));
    color: #FFF;
    box-shadow: 0 4px 18px var(--violet-glow);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.btn-emerald-violet:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--violet-glow);
}

.btn-primary-liquid {
    background: linear-gradient(135deg, var(--violet-primary), var(--emerald-primary));
    color: #FFF;
    padding: 15px 36px;
    font-size: 1.05rem;
    box-shadow: 0 8px 28px var(--violet-glow);
}

.btn-primary-liquid:hover {
    transform: translateY(-2px) scale(1.02);
}

.btn-outline-liquid {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--violet-light);
    color: var(--violet-primary);
    padding: 15px 36px;
    font-size: 1.05rem;
}

.btn-outline-liquid:hover {
    background: #FFF;
    border-color: var(--emerald-neon);
    color: var(--emerald-primary);
}

.btn-emerald-pill {
    background: var(--emerald-neon);
    color: #FFF;
    padding: 9px 22px;
    font-size: 0.88rem;
    box-shadow: 0 4px 15px var(--emerald-glow);
}

.btn-emerald-pill:hover {
    background: var(--emerald-primary);
}

/* Hero Section */
.hero-liquid-section {
    text-align: center;
    padding: 40px 0 50px;
}

.glass-capsule-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #FFF;
    border: 1px solid var(--emerald-light);
    color: var(--emerald-primary);
    padding: 6px 20px;
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 800;
    margin-bottom: 24px;
    box-shadow: 0 4px 15px var(--emerald-glow);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--emerald-neon);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
}

.hero-headline {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.24;
    margin-bottom: 22px;
    letter-spacing: -0.5px;
}

.gradient-emerald {
    background: linear-gradient(135deg, var(--emerald-neon), #047857);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-violet {
    background: linear-gradient(135deg, var(--violet-primary), #A855F7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-summary {
    font-size: 1.15rem;
    color: var(--text-body);
    max-width: 820px;
    margin: 0 auto 36px;
    line-height: 1.82;
}

.hero-btn-cluster {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

/* Telemetry Hud */
.telemetry-hud {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    padding: 26px;
}

.telemetry-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.telemetry-label {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.text-emerald { color: var(--emerald-neon); }
.text-violet { color: var(--violet-primary); }

.telemetry-data {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.55rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.2;
}

.telemetry-foot {
    font-size: 0.74rem;
    color: var(--emerald-primary);
    font-weight: 600;
}

/* About Section */
.about-hero-card {
    padding: 48px;
}

.about-flex {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 40px;
    align-items: center;
}

.tag-pill-violet {
    display: inline-block;
    color: var(--violet-primary);
    background: var(--violet-soft);
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.tag-pill-emerald {
    display: inline-block;
    color: var(--emerald-primary);
    background: var(--emerald-soft);
    padding: 4px 14px;
    border-radius: var(--radius-pill);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.1rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.32;
    margin-bottom: 18px;
}

.about-content p {
    font-size: 1.02rem;
    color: var(--text-body);
    margin-bottom: 16px;
}

.about-metrics {
    display: flex;
    gap: 32px;
    margin-top: 28px;
    border-top: 1px solid rgba(124, 58, 237, 0.1);
    padding-top: 22px;
}

.metric-unit {
    display: flex;
    flex-direction: column;
}

.metric-num {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.65rem;
    font-weight: 900;
    color: var(--violet-primary);
}

.metric-caption {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.about-highlight-card {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--emerald-light);
    border-radius: var(--radius-md);
    padding: 38px 30px;
    text-align: center;
    box-shadow: 0 12px 35px var(--emerald-glow);
}

.icon-orb-pulse {
    width: 68px;
    height: 68px;
    background: var(--emerald-soft);
    color: var(--emerald-neon);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    margin-bottom: 16px;
}

.about-highlight-card h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.about-highlight-card p {
    font-size: 0.92rem;
    color: var(--text-body);
}

/* Topic Cluster Section */
.section-header-center {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 45px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.cluster-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 24px;
}

.cluster-item {
    padding: 34px 28px;
    display: flex;
    flex-direction: column;
}

.cluster-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.cluster-badge-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.bg-violet-soft { background: var(--violet-soft); }
.bg-emerald-soft { background: var(--emerald-soft); }

.cluster-code {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.74rem;
    font-weight: 800;
    color: var(--text-muted);
}

.cluster-item h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 12px;
}

.cluster-item p {
    font-size: 0.92rem;
    color: var(--text-body);
    margin-bottom: 22px;
    flex-grow: 1;
}

.cluster-anchor-list {
    list-style: none;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cluster-anchor-list a {
    color: var(--violet-primary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
    transition: all 0.2s;
}

.cluster-anchor-list a:hover {
    color: var(--emerald-primary);
    transform: translateX(4px);
    display: inline-block;
}

/* Editorial Article */
.editorial-article {
    padding: 50px;
}

.article-header h2 {
    font-size: 2.05rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.35;
}

.meta-tag {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.article-body h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin: 28px 0 12px;
}

.article-body p {
    font-size: 1.05rem;
    margin-bottom: 20px;
}

.glass-highlight-box {
    background: rgba(245, 243, 255, 0.7);
    border-left: 4px solid var(--violet-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 24px 30px;
    margin: 30px 0;
    display: flex;
    gap: 18px;
}

.highlight-icon {
    font-size: 1.6rem;
    color: var(--violet-neon);
}

.glass-highlight-box p {
    font-style: italic;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0;
}

/* SEO Links Standard */
.seo-link {
    color: var(--violet-primary);
    text-decoration: none;
    font-weight: 700;
    border-bottom: 1.5px dashed var(--violet-light);
    transition: all 0.2s;
}

.seo-link:hover {
    color: var(--emerald-primary);
    border-bottom-style: solid;
    background: var(--emerald-soft);
    padding: 0 4px;
    border-radius: 4px;
}

/* FAQ Accordion */
.faq-accordion-group {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.faq-item {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.faq-trigger {
    width: 100%;
    padding: 20px 26px;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}

.faq-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-state-icon {
    color: var(--violet-primary);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
}

.faq-text {
    padding: 0 26px 22px;
    font-size: 0.98rem;
    color: var(--text-body);
    border-top: 1px solid rgba(0, 0, 0, 0.04);
    padding-top: 14px;
}

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

/* Floating Clean Dock */
.floating-dock-glass {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 620px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    border: 1px solid var(--violet-light);
    border-radius: var(--radius-pill);
    padding: 10px 18px 10px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 16px 40px var(--violet-glow);
    z-index: 99;
}

.dock-content-box {
    display: flex;
    flex-direction: column;
}

.dock-badge {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 0.68rem;
    font-weight: 800;
    color: var(--emerald-primary);
    letter-spacing: 0.5px;
}

.dock-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Footer Section */
.liquid-footer {
    background: rgba(255, 255, 255, 0.86);
    border-top: 1px solid var(--border-glass);
    margin-top: 80px;
    padding-top: 60px;
}

.footer-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    max-width: 460px;
    margin: 14px 0 20px;
}

.footer-compliance span {
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--emerald-primary);
}

.footer-links-group h4 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.footer-links-group ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links-group a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.92rem;
    transition: color 0.2s;
}

.footer-links-group a:hover {
    color: var(--violet-primary);
}

.footer-bottom-bar {
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding: 24px 0 95px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Responsive Rules */
@media (max-width: 900px) {
    .nav-links-menu { display: none; }
    .about-flex { grid-template-columns: 1fr; }
    .footer-content-grid { grid-template-columns: 1fr; }
    .editorial-article { padding: 32px 24px; }
}

@media (max-width: 600px) {
    .hero-headline { font-size: 2.1rem; }
    .floating-dock-glass { display: none; }
    .telemetry-hud { grid-template-columns: 1fr 1fr; }
}