/* ============================================
   PRELOADER WITH VIDEO
   ============================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--void);
    transition: opacity 0.8s ease, visibility 0.8s ease;
}
.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}
.preloader-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, #050505 0%, #000 100%);
}
.preloader-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.preloader-video {
    width: min(50vw, 280px);
    height: auto;
    margin-bottom: 30px;
    border-radius: 4px;
    -webkit-appearance: none !important;
    appearance: none !important;
}
.preloader-logo {
    width: 200px;
    margin-bottom: 40px;
    animation: logoPulse 2s ease-in-out infinite;
}
@keyframes logoPulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.02); }
}
.preloader-text {
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    color: var(--terminal-green);
    margin-bottom: 30px;
    text-shadow: 0 0 20px var(--glow-green);
}
.preloader-bar {
    width: 280px;
    height: 4px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 3px;
    overflow: visible;
    position: relative;
    border: 1px solid rgba(0, 255, 136, 0.2);
}
.preloader-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--terminal-green), var(--terminal-silver-bright), var(--terminal-green));
    background-size: 200% 100%;
    animation: progressGradient 2s linear infinite;
    box-shadow: 
        0 0 10px var(--glow-green),
        0 0 20px var(--glow-green),
        0 0 30px rgba(0, 255, 136, 0.3);
    transition: width 0.15s ease-out;
    border-radius: 3px;
    position: relative;
}
.preloader-progress::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--terminal-green);
    border-radius: 50%;
    box-shadow: 
        0 0 10px var(--terminal-green),
        0 0 20px var(--terminal-green),
        0 0 30px var(--terminal-green);
    animation: progressPulse 0.8s ease-in-out infinite;
}
@keyframes progressPulse {
    0%, 100% { transform: translateY(-50%) scale(1); opacity: 1; }
    50% { transform: translateY(-50%) scale(1.3); opacity: 0.8; }
}
/* Progress bar particles */
.preloader-bar-container {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
}
.preloader-bar-container::before,
.preloader-bar-container::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--terminal-green);
    border-radius: 50%;
    opacity: 0;
    animation: barParticle 2s ease-out infinite;
}
.preloader-bar-container::before {
    left: 20%;
    animation-delay: 0s;
}
.preloader-bar-container::after {
    left: 60%;
    animation-delay: 1s;
}
@keyframes barParticle {
    0% { transform: translateY(0); opacity: 0; }
    20% { opacity: 0.8; }
    100% { transform: translateY(-30px); opacity: 0; }
}
@keyframes progressGradient {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}
.preloader-percent {
    font-size: 0.75rem;
    color: var(--terminal-green);
    font-weight: 500;
    min-width: 45px;
}
.preloader-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}
.preloader-edge {
    position: absolute;
    bottom: 28px;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.55rem;
    letter-spacing: 0.15em;
    color: rgba(0, 255, 136, 0.35);
    font-family: 'JetBrains Mono', monospace;
    z-index: 3;
    opacity: 0;
    transition: opacity 0.8s ease 1s;
}
.preloader-edge.visible {
    opacity: 1;
}
.preloader-edge .edge-label {
    color: rgba(255, 255, 255, 0.2);
}
.preloader-edge .edge-loc {
    color: rgba(0, 255, 136, 0.5);
    text-shadow: 0 0 8px rgba(0, 255, 136, 0.2);
}
.preloader-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--terminal-green);
    border-radius: 50%;
    animation: particleFloat 8s linear infinite;
    opacity: 0.5;
}
@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ============================================
   BOOT SEQUENCE — Cyberpunk sci-fi preloader
   ============================================ */
.boot-sequence {
    position: relative;
    width: 90%;
    max-width: 600px;
    font-family: 'JetBrains Mono', monospace;
    z-index: 10;
    margin-top: 20px;
}

.boot-header {
    text-align: center;
    margin-bottom: 30px;
}

.boot-logo {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: #00ff88;
    text-shadow: 0 0 30px rgba(0, 255, 136, 0.5), 0 0 60px rgba(0, 255, 136, 0.2);
    animation: bootGlow 2s ease-in-out infinite alternate;
}

.boot-version {
    font-size: 0.7rem;
    color: rgba(0, 255, 136, 0.5);
    letter-spacing: 0.3em;
    margin-top: 8px;
}

.boot-terminal {
    background: rgba(0, 10, 5, 0.6);
    border: 1px solid rgba(0, 255, 136, 0.15);
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
    max-height: 280px;
    overflow: hidden;
    font-size: 0.72rem;
    line-height: 1.5;
    position: relative;
}

.boot-terminal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 255, 136, 0.015) 2px,
        rgba(0, 255, 136, 0.015) 4px
    );
    pointer-events: none;
    z-index: 1;
}

.boot-line {
    color: rgba(0, 255, 136, 0.7);
    white-space: nowrap;
    overflow: hidden;
    opacity: 0;
    animation: bootLineIn 0.3s forwards;
}

.boot-line .status-ok { color: #00ff88; font-weight: 600; }
.boot-line .status-warn { color: #ffaa00; }
.boot-line .status-info { color: #00aaff; }
.boot-line .status-secure { color: #00ff88; text-shadow: 0 0 10px rgba(0,255,136,0.5); }

.boot-edge-info {
    text-align: center;
    padding: 15px;
    border: 1px solid rgba(0, 255, 136, 0.1);
    border-radius: 4px;
    margin-bottom: 15px;
    background: rgba(0, 255, 136, 0.03);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.boot-edge-info.visible {
    opacity: 1;
}

.boot-edge-label {
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    color: rgba(0, 255, 136, 0.4);
    margin-bottom: 10px;
}

.boot-edge-route {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 0.75rem;
}

.edge-from, .edge-to {
    color: #00ff88;
    font-weight: 600;
    padding: 4px 12px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 3px;
    background: rgba(0, 255, 136, 0.05);
}

.edge-arrow {
    color: rgba(0, 255, 136, 0.3);
    font-size: 0.65rem;
    animation: arrowPulse 1s ease-in-out infinite;
}

.boot-latency {
    font-size: 0.65rem;
    color: rgba(0, 255, 136, 0.5);
    margin-top: 8px;
}

.boot-progress {
    height: 2px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 1px;
    overflow: hidden;
    margin-bottom: 10px;
}

.boot-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, #00ff88, #00aaff, #00ff88);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.boot-status {
    text-align: center;
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: rgba(0, 255, 136, 0.4);
    animation: statusPulse 1.5s ease-in-out infinite;
}

@keyframes bootGlow {
    from { text-shadow: 0 0 30px rgba(0, 255, 136, 0.5), 0 0 60px rgba(0, 255, 136, 0.2); }
    to { text-shadow: 0 0 40px rgba(0, 255, 136, 0.7), 0 0 80px rgba(0, 255, 136, 0.3), 0 0 120px rgba(0, 255, 136, 0.1); }
}

@keyframes bootLineIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes arrowPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; color: #00ff88; }
}

@keyframes statusPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* ============================================
   BACKGROUND - MORE VISIBLE
   ============================================ */
.bg-container, .bg-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}
.bg-image {
    position: absolute;
    inset: 0;
    background: url('bg.webp') center/cover;
    opacity: 0.65;
}
.bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.45) 0%, rgba(0,0,0,0.25) 50%, rgba(0,0,0,0.5) 100%);
}
.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}
.bg-scanlines {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.03) 2px, rgba(0,0,0,0.03) 4px);
}
.bg-vignette {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(0,0,0,0.4) 100%);
}

/* ============================================
   HEADER - PREMIUM ADAPTIVE GLASSMORPHISM
   Day/Night responsive with particle effects
   ============================================ */
.header, .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    
    /* Multi-layer adaptive glass background */
    background: 
        /* Top light refraction */
        linear-gradient(180deg, 
            rgba(255, 255, 255, 0.04) 0%, 
            transparent 40%),
        /* Primary glass tint - uses CSS variables */
        linear-gradient(135deg, 
            var(--glass-primary) 0%, 
            var(--glass-secondary) 25%,
            rgba(0, 20, 40, 0.03) 50%,
            var(--glass-accent) 75%,
            var(--glass-primary) 100%),
        /* Ambient underglow */
        radial-gradient(ellipse at 20% 50%, var(--ambient-glow-1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, var(--ambient-glow-2) 0%, transparent 50%),
        /* Base dark glass */
        var(--glass-base);
    
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    
    /* Multi-layer border effect */
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 
        0 4px 30px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        inset 0 -1px 0 var(--edge-highlight),
        0 1px 3px rgba(0, 0, 0, 0.3);
    
    isolation: isolate;
}

/* Animated light sweep - adapts to time */
.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        /* Moving light beam */
        linear-gradient(
            105deg,
            transparent 0%,
            transparent 40%,
            rgba(255, 255, 255, 0.03) 45%,
            rgba(255, 255, 255, 0.06) 50%,
            rgba(255, 255, 255, 0.03) 55%,
            transparent 60%,
            transparent 100%
        ),
        /* Floating ambient orbs */
        radial-gradient(circle at 15% 30%, var(--ambient-glow-1) 0%, transparent 25%),
        radial-gradient(circle at 85% 70%, var(--ambient-glow-2) 0%, transparent 20%),
        radial-gradient(circle at 50% 20%, var(--ambient-glow-3) 0%, transparent 30%);
    background-size: 200% 100%, 100% 100%, 100% 100%, 100% 100%;
    animation:
        headerLightSweep 15s ease-in-out infinite,
        headerAmbientFloat 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

@keyframes headerLightSweep {
    0%, 100% { background-position: 200% 0, 0% 0%, 0% 0%, 0% 0%; }
    50% { background-position: -200% 0, 0% 0%, 0% 0%, 0% 0%; }
}

@keyframes headerAmbientFloat {
    0%, 100% { opacity: 0.85; }
    25% { opacity: 1; }
    50% { opacity: 0.9; }
    75% { opacity: 0.97; }
}

/* Prismatic edge highlight - day/night adaptive */
.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%,
        var(--edge-prismatic-1) 15%,
        var(--edge-prismatic-2) 35%,
        var(--edge-prismatic-3) 50%,
        var(--edge-prismatic-2) 65%,
        var(--edge-prismatic-1) 85%,
        transparent 100%
    );
    animation: headerPrismatic 12s ease-in-out infinite;
    pointer-events: none;
    z-index: 2;
}

@keyframes headerPrismatic {
    0%, 100% { 
        opacity: 0.5; 
        filter: blur(0.5px);
    }
    50% { 
        opacity: 1; 
        filter: blur(0px);
    }
}

/* Top Row - Glass panel effect */
.header-row-1, .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 50px;
    gap: 30px;
    flex-wrap: wrap;
    position: relative;
    z-index: 3;
    
    /* Subtle inner panel */
    background: linear-gradient(180deg,
        rgba(255, 255, 255, 0.02) 0%,
        transparent 100%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* Frosted glass divider between rows */
.header-row-1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50px;
    right: 50px;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.08) 20%,
        rgba(0, 200, 255, 0.1) 50%,
        rgba(255, 255, 255, 0.08) 80%,
        transparent
    );
}

/* Corner accent glows - removed, was causing visible glare near logo */
.header-row-1::before {
    display: none;
}

/* Floating orb ambient lights (pseudo-elements on header) */
@keyframes headerOrbFloat {
    0%, 100% { 
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    33% { 
        transform: translate(20px, -5px) scale(1.1);
        opacity: 0.5;
    }
    66% { 
        transform: translate(-10px, 5px) scale(0.9);
        opacity: 0.4;
    }
}

/* Language switcher with glass effect */
.lang-switcher-nav {
    display: flex;
    gap: 3px;
    padding: 4px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 4px;
}

.lang-link {
    padding: 6px 12px;
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.lang-link:hover {
    color: var(--terminal-green);
    background: rgba(0, 255, 136, 0.1);
}

.lang-link.active {
    color: var(--terminal-green);
    background: rgba(0, 255, 136, 0.15);
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-logo img {
    height: 110px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    transition: all 0.4s ease;
}
/* Desktop: Show full logo, hide S logo */
.header-logo img.logo-full {
    display: block;
}
.header-logo img.logo-s,
.header-logo img.s-logo {
    display: none;
}
.header-logo:hover img {
    transform: scale(1.02);
}
.header-tagline {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 20px;
    line-height: 1.6;
    max-width: 140px;
    position: relative;
}

/* Tagline subtle glow on border */
.header-tagline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: linear-gradient(180deg,
        transparent,
        rgba(0, 200, 255, 0.12),
        transparent
    );
}

.header-contact-info {
    display: none; /* Hidden - contact moved to footer/contact page */
}
.header-contact-info a, .header-link {
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: all 0.3s ease;
    position: relative;
}
.header-contact-info a:hover, .header-link:hover { 
    color: var(--terminal-green);
    text-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

.header-lang, .lang-switcher {
    display: flex;
    gap: 5px;
}
.lang-btn {
    padding: 8px 14px;
    font-family: inherit;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s;
}
.lang-btn:hover, .lang-btn.active {
    border-color: var(--terminal-green);
    color: var(--terminal-green);
    background: rgba(0, 255, 136, 0.05);
}

.header-cta-group, .header-cta {
    display: flex;
    gap: 12px;
}
.header-cta-btn, .btn-header {
    padding: 12px 24px;
    font-family: inherit;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    border: 1px solid var(--terminal-green);
    transition: all 0.3s;
    cursor: pointer;
}
.header-cta-btn.primary, .btn-header.primary {
    background: var(--terminal-green);
    color: var(--void);
}
.header-cta-btn.primary:hover, .btn-header.primary:hover {
    box-shadow: 0 0 25px var(--glow-green);
}
.header-cta-btn.secondary, .btn-header.secondary {
    background: transparent;
    color: var(--terminal-green);
}
.header-cta-btn.secondary:hover, .btn-header.secondary:hover {
    background: var(--terminal-green);
    color: var(--void);
}
/* Zalo buttons - BLUE */
.header-cta-btn.zalo, .btn-zalo {
    background: var(--zalo-blue);
    border-color: var(--zalo-blue);
    color: white;
}
.header-cta-btn.zalo:hover, .btn-zalo:hover {
    box-shadow: 0 0 20px rgba(0, 104, 255, 0.5);
}

/* Navigation Row - Deeper glass layer */
.header-row-2, .header-nav {
    display: flex;
    padding: 0 50px;
    position: relative;
    z-index: auto;
    pointer-events: auto;
    
    /* Darker frosted glass for nav */
    background: linear-gradient(180deg,
        rgba(0, 0, 0, 0.2) 0%,
        rgba(0, 20, 40, 0.15) 50%,
        rgba(0, 0, 0, 0.25) 100%);
    
    /* Inner glow at top */
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

/* Nav row subtle pattern */
.header-row-2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 100px,
            rgba(0, 150, 255, 0.01) 100px,
            rgba(0, 150, 255, 0.01) 200px
        );
    pointer-events: none;
}

.header-nav-inner {
    display: flex;
    max-width: 1400px;
    margin: 0 auto;
}
.nav-item {
    position: relative;
    padding: 15px 22px;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
    white-space: nowrap;
    pointer-events: auto;
    z-index: 10;
}
.nav-item.has-dropdown {
    position: relative;
    pointer-events: auto !important;
    z-index: 100;
}
.nav-item:hover, .nav-item.active {
    color: var(--terminal-green);
    border-bottom-color: var(--terminal-green);
    background: linear-gradient(180deg,
        rgba(0, 255, 136, 0.08) 0%,
        rgba(0, 255, 136, 0.02) 100%);
}

/* WORKING DROPDOWN MENUS - Glass effect */
.nav-dropdown, .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    
    /* Glassmorphism dropdown */
    background: 
        linear-gradient(135deg,
            rgba(10, 15, 25, 0.95) 0%,
            rgba(5, 10, 20, 0.98) 100%);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-top: 1px solid rgba(0, 200, 255, 0.2);
    
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.25s ease;
    z-index: 10000;
    
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.8),
        0 0 30px rgba(0, 100, 150, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    
    /* Ensure pointer events work */
    pointer-events: none;
}

/* DESKTOP DROPDOWN HOVER - Explicit rules */
@media (min-width: 769px) {
    .nav-item.has-dropdown {
        position: relative;
        cursor: pointer;
    }
    
    /* Dropdown is display:block but hidden via opacity/visibility */
    .nav-item.has-dropdown > .nav-dropdown {
        display: block;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        position: absolute;
        top: 100%;
        left: 0;
        z-index: 10000;
    }
    
    /* Show on hover - DESKTOP ONLY */
    .nav-item.has-dropdown:hover > .nav-dropdown,
    .nav-item.has-dropdown:focus-within > .nav-dropdown,
    .header-row-2 .nav-item.has-dropdown:hover > .nav-dropdown,
    .header-row-2 > .nav-item.has-dropdown:hover > .nav-dropdown {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        pointer-events: auto !important;
        display: block !important;
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        z-index: 10000 !important;
    }
    
    .header-row-2 .nav-dropdown {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
    }
}

.has-dropdown:hover .nav-dropdown,
.nav-item:hover .dropdown-menu,
.nav-item:hover > .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}
.nav-dropdown a, .dropdown-menu a, .dropdown-link {
    display: block;
    padding: 14px 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    transition: all 0.2s;
}
.nav-dropdown a:last-child, .dropdown-menu a:last-child { border-bottom: none; }
.nav-dropdown a:hover, .dropdown-menu a:hover, .dropdown-link:hover {
    color: var(--terminal-green);
    background: rgba(0, 255, 136, 0.05);
    padding-left: 25px;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main, .main-content {
    position: relative;
    z-index: 1;
    padding-top: 160px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero, .hero-section {
    padding: 100px 0 160px;
    min-height: 100vh;
    min-height: 100svh;
}


.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 70px;
    align-items: center;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    color: var(--terminal-green);
    margin-bottom: 30px;
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--terminal-green);
    border-radius: 50%;
    animation: blink 1.5s infinite;
    box-shadow: 0 0 10px var(--glow-green);
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}
.hero-title {
    font-family: 'Imbue', Georgia, serif;
    font-size: clamp(3.2rem, 8vw, 6rem);
    font-weight: 400;
    color: var(--text-bright);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-optical-sizing: auto;
    margin-bottom: 42px;
}
.hero-subtitle, .hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: 52px;
    max-width: 560px;
}
.hero-btns, .hero-cta-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* Terminal Card */
.terminal-card, .hero-terminal-card {
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.6) 0%, rgba(8, 12, 20, 0.45) 100%);
    backdrop-filter: blur(14px) saturate(120%);
    -webkit-backdrop-filter: blur(14px) saturate(120%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.terminal-card:hover, .hero-terminal-card:hover {
    border-color: rgba(0, 255, 136, 0.18);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25), 0 0 15px rgba(0, 255, 136, 0.06);
    transform: translateY(-3px);
}
.terminal-header, .terminal-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 18px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca40; }
.terminal-title {
    margin-left: auto;
    font-size: 0.6rem;
    color: var(--text-dim);
}
.terminal-body, .terminal-content {
    padding: 25px;
    font-size: 0.8rem;
}
.line, .t-line { margin-bottom: 10px; color: var(--text-muted); }
.line .prompt, .t-line .prompt { color: var(--terminal-green); margin-right: 10px; }
.line.out, .t-line.output { color: var(--terminal-silver); padding-left: 25px; }
.cursor { animation: blink 1s infinite; }

/* Terminal Live Feed */
.terminal-feed-line {
    min-height: 1.2em;
    color: var(--terminal-green) !important;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    white-space: nowrap;
    overflow: hidden;
}
.terminal-feed-tag {
    color: #ff6b6b;
    font-weight: 700;
    margin-right: 6px;
    text-shadow: 0 0 6px rgba(255, 107, 107, 0.4);
}
.terminal-feed-tag[data-tag="ALERT"] { color: #ff6b6b; text-shadow: 0 0 6px rgba(255,107,107,0.4); }
.terminal-feed-tag[data-tag="INTEL"] { color: #64b5f6; text-shadow: 0 0 6px rgba(100,181,246,0.4); }
.terminal-feed-tag[data-tag="STATUS"] { color: var(--terminal-green); text-shadow: 0 0 6px rgba(0,255,136,0.4); }
.terminal-feed-tag[data-tag="DEPLOY"] { color: #ffbd2e; text-shadow: 0 0 6px rgba(255,189,46,0.4); }
.terminal-feed-tag[data-tag="SCAN"] { color: #ce93d8; text-shadow: 0 0 6px rgba(206,147,216,0.4); }
.terminal-feed-text {
    color: var(--terminal-green);
    text-shadow: 0 0 4px rgba(0, 255, 136, 0.3);
}
.terminal-feed-line .cursor {
    color: var(--terminal-green);
}

/* Hero Stats */
.hero-stats-card {
    display: flex;
    gap: 32px;
    padding: 28px 32px;
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.6) 0%, rgba(8, 12, 20, 0.45) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.stat-item { text-align: center; }
.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--terminal-green);
}
.stat-lbl {
    font-size: 0.6rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
}

/* Ping metric with tooltip */
.stat-ping {
    position: relative;
    cursor: pointer;
}
.stat-ping .stat-num {
    font-variant-numeric: tabular-nums;
}
.stat-tooltip {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    width: 240px;
    padding: 14px 16px;
    background: rgba(5, 8, 15, 0.95);
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    z-index: 100;
    text-align: left;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4), 0 0 15px rgba(0,255,136,0.08);
}
.stat-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--border-glow);
}
.stat-ping:hover .stat-tooltip,
.stat-ping:focus-within .stat-tooltip,
.stat-ping.tooltip-active .stat-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}
.tooltip-title {
    display: block;
    font-size: 0.55rem;
    letter-spacing: 0.18em;
    color: var(--terminal-green);
    margin-bottom: 6px;
    font-weight: 600;
}
.tooltip-desc {
    display: block;
    font-size: 0.72rem;
    line-height: 1.5;
    color: var(--text-secondary);
    letter-spacing: 0;
}
.tooltip-desc strong {
    color: var(--terminal-silver-bright);
    font-weight: 500;
}
.tooltip-action {
    display: block;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(0, 255, 136, 0.1);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    color: rgba(0, 255, 136, 0.4);
    text-transform: uppercase;
}

/* ============================================
   PAGE HERO (SUBPAGES)
   ============================================ */
.page-hero {
    padding: 220px 0 150px;
    text-align: center;
    min-height: 100vh;
    min-height: 100svh;
}
.page-hero .container {
    max-width: 900px;
}
.page-badge, .hero-badge-page {
    display: inline-block;
    padding: 10px 24px;
    background: var(--surface);
    border: 1px solid var(--border);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--terminal-green);
    margin-bottom: 35px;
}
.page-title, .hero-title-large {
    font-family: 'Imbue', Georgia, serif;
    font-size: clamp(3.2rem, 8vw, 6rem);
    font-weight: 400;
    color: var(--text-bright);
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-optical-sizing: auto;
    margin-bottom: clamp(12px, 2vw, 20px);
    /* Animated gradient shimmer matching homepage hero */
    background: linear-gradient(135deg, #ffffff 0%, #00ff88 30%, #00ffcc 70%, #ffffff 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease-in-out infinite, seraphimTextGlow 6s ease-in-out infinite;
}
.page-title .gradient, .gradient-text {
    background: linear-gradient(135deg, var(--terminal-green), var(--terminal-silver-bright));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease-in-out infinite;
}
.page-desc, .hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.85;
    max-width: 720px;
    margin: 0 auto 56px;
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
    padding: clamp(80px, 10vw, 130px) 0;
}
.section.alt, .section-alt {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: clamp(90px, 11vw, 150px) 0;
}
.section-header, .section-header-centered {
    text-align: center;
    margin-bottom: clamp(40px, 6vw, 72px);
}
.section-label {
    display: block;
    font-size: 0.65rem;
    letter-spacing: 0.35em;
    color: var(--terminal-green);
    margin-bottom: 22px;
}
.section-tag {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    color: var(--terminal-green);
    margin-bottom: 22px;
}
.tag-line {
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--terminal-green), transparent);
}
.section-title {
    font-family: 'Syne', sans-serif;
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--text-bright);
    letter-spacing: var(--tracking-wider);
    line-height: var(--leading-snug);
    margin-bottom: clamp(2rem, 4vw, 4rem);
}
.section-desc, .section-subtitle {
    font-size: clamp(1rem, 0.9rem + 0.5vw, 1.15rem);
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto clamp(40px, 6vw, 72px);
    line-height: var(--leading-relaxed);
}

/* ============================================
   PILLARS
   ============================================ */
.pillars, .pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}
.pillar, .pillar-card {
    padding: clamp(24px, 3vw, 36px);
    background: linear-gradient(145deg, rgba(15, 20, 30, 0.6) 0%, rgba(8, 12, 20, 0.45) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.pillar:hover, .pillar-card:hover {
    border-color: rgba(0, 255, 136, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 255, 136, 0.06);
}
.pillar.featured, .pillar-card.featured {
    border-color: rgba(0, 255, 136, 0.15);
    background: linear-gradient(145deg, rgba(0, 255, 136, 0.04) 0%, rgba(8, 12, 20, 0.5) 100%);
}
.pillar-badge-top {
    position: absolute;
    top: -1px;
    right: 30px;
    padding: 8px 15px;
    background: var(--terminal-green);
    color: var(--void);
    font-size: 0.55rem;
    letter-spacing: 0.15em;
}
.pillar-num {
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: var(--text-dim);
    margin-bottom: 15px;
}
.pillar-icon {
    font-size: 3rem;
    margin-bottom: 25px;
}
.pillar h3, .pillar-card h3 {
    color: var(--text-bright);
    margin-bottom: 22px;
}
.pillar p, .pillar-card > p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.9;
}
.pillar ul, .pillar-list {
    margin-bottom: 30px;
}
.pillar li {
    padding: 12px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.pillar li:last-child { border-bottom: none; }
.pillar-features {
    margin-bottom: 25px;
}
.pf-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}
.pf-item:last-child { border-bottom: none; }
.pf-item span { color: var(--terminal-green); }
.pf-item strong { color: var(--text-bright); }

/* ============================================
   PLATFORMS
   ============================================ */
.platforms, .platforms-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.platform-card {
    padding: clamp(20px, 2.5vw, 32px);
    text-align: center;
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.55) 0%, rgba(8, 12, 20, 0.4) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.platform-card:hover {
    border-color: rgba(0, 255, 136, 0.18);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25), 0 0 16px rgba(0, 255, 136, 0.05);
}
.platform-icon {
    font-size: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    height: 64px;
}
.platform-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: brightness(0.9) contrast(1.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.platform-card:hover .platform-icon img {
    filter: brightness(1.1) contrast(1.2) drop-shadow(0 0 12px rgba(0, 255, 136, 0.2));
    transform: scale(1.08);
}
.platform-card h4 {
    font-size: 1.1rem;
    color: var(--text-bright);
    margin-bottom: 10px;
}
.platform-card p {
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* ============================================
   FEATURES
   ============================================ */
.features, .features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.feature, .feature-item {
    text-align: center;
    padding: 40px 28px;
    background: rgba(255,255,255,0.01);
    border: 1px solid transparent;
    transition: all 0.3s;
}
.feature:hover, .feature-item:hover {
    border-color: var(--border);
    background: rgba(255,255,255,0.02);
}
.feature-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: 24px;
}
.feature h4, .feature-item h4 {
    font-size: 1.1rem;
    color: var(--text-bright);
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}
.feature p, .feature-item p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.7;
}

/* ============================================
   STATS
   ============================================ */
.stats-bar {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 52px 0;
}
.stats-row {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
}
.stat, .stat-block {
    text-align: center;
}
.stat-num, .stat-value {
    display: block;
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--terminal-green);
    text-shadow: 0 0 30px var(--glow-green);
}
.stat-label {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    margin-top: 5px;
}

/* ============================================
   CTA BOX
   ============================================ */
.cta-box {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 70px;
    padding: 72px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.02) 0%, var(--surface) 100%);
    border: 1px solid var(--border);
}
.cta-text h2, .cta-content h2 {
    font-family: 'Syne', sans-serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}
.cta-text p, .cta-content p {
    color: var(--text-muted);
    margin-bottom: 36px;
    font-size: 1rem;
}
.cta-btns, .cta-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}
.cta-contact {
    display: flex;
    flex-direction: column;
    gap: 25px;
    padding-left: 60px;
    border-left: 1px solid var(--border);
}
.contact-item, .cc-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
}
.contact-item > span, .cc-item > span { font-size: 1.5rem; }
.contact-item small, .cc-item small {
    display: block;
    font-size: 0.55rem;
    color: var(--text-dim);
    letter-spacing: 0.12em;
    margin-bottom: 5px;
}
.contact-item a, .cc-item a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s;
}
.contact-item a:hover, .cc-item a:hover { color: var(--terminal-green); }

/* ============================================
   BUTTONS
   ============================================ */
.btn, .btn-primary, .btn-secondary {
    display: inline-block;
    padding: 16px 32px;
    font-family: inherit;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
}
.btn.primary, .btn-primary {
    background: var(--terminal-green);
    color: var(--void);
}
.btn.primary:hover, .btn-primary:hover {
    box-shadow: 0 0 35px var(--glow-green);
    transform: translateY(-3px);
}
.btn.secondary, .btn-secondary {
    background: transparent;
    color: var(--terminal-silver);
    border: 1px solid var(--terminal-silver);
}
.btn.secondary:hover, .btn-secondary:hover {
    background: var(--terminal-silver);
    color: var(--void);
}
.btn.large {
    padding: 18px 38px;
    font-size: 0.8rem;
}
/* WhatsApp & Zalo Buttons - PREMIUM SHARP EDITION */
.btn.whatsapp, .btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border: none;
    border-radius: 0;
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}
.btn.whatsapp::before, .btn-whatsapp::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
}
.btn.whatsapp:hover, .btn-whatsapp:hover {
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.5), inset 0 0 20px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}
.btn.zalo, .btn-zalo {
    background: linear-gradient(135deg, #0068FF 0%, #0050CC 100%);
    color: white;
    border: none;
    border-radius: 0;
    font-family: 'Syne', sans-serif;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}
.btn.zalo::before, .btn-zalo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
}
.btn.zalo:hover, .btn-zalo:hover {
    box-shadow: 0 0 30px rgba(0, 104, 255, 0.5), inset 0 0 20px rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* ============================================
   BENTO GRID
   ============================================ */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.bento-item {
    padding: 42px;
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.55) 0%, rgba(8, 12, 20, 0.4) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.bento-item:hover {
    border-color: rgba(0, 255, 136, 0.18);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
}
.bento-item.span-2 { grid-column: span 2; }
.bento-icon { font-size: 2.5rem; margin-bottom: 24px; }
.bento-item h3 {
    color: var(--text-bright);
    margin-bottom: 16px;
}
.bento-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.75;
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    padding: clamp(24px, 3vw, 38px);
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.55) 0%, rgba(8, 12, 20, 0.4) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 18px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card:hover {
    border-color: rgba(0, 255, 136, 0.18);
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28), 0 0 18px rgba(0, 255, 136, 0.06);
}
.service-icon { font-size: 2.5rem; margin-bottom: 28px; }
.service-card h3 {
    color: var(--text-bright);
    margin-bottom: 18px;
}
.service-card p {
    font-size: var(--text-base);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

/* ============================================
   PRICING
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.pricing-card {
    padding: clamp(24px, 3vw, 40px);
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.55) 0%, rgba(8, 12, 20, 0.4) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.pricing-card.featured {
    border-color: rgba(0, 255, 136, 0.15);
    transform: scale(1.02);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 24px rgba(0, 255, 136, 0.06);
}
.pricing-tier {
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    color: var(--terminal-green);
    margin-bottom: 12px;
}
.pricing-name {
    font-size: var(--text-xl);
    color: var(--text-bright);
    margin-bottom: var(--space-md);
}
.pricing-amount {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--text-bright);
}
.pricing-period {
    font-size: 0.75rem;
    color: var(--text-dim);
}
.pricing-usd {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 25px;
}
.pricing-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}
.pricing-features {
    text-align: left;
    margin-bottom: 35px;
}
.pricing-features li {
    padding: 12px 0;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}
.pricing-features li:last-child { border-bottom: none; }

/* ============================================
   AI CARDS
   ============================================ */
.ai-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.ai-card {
    padding: clamp(20px, 2.5vw, 32px);
    background: linear-gradient(150deg, rgba(15, 20, 30, 0.55) 0%, rgba(8, 12, 20, 0.4) 100%);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.ai-card:hover {
    border-color: rgba(0, 255, 136, 0.18);
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(0, 0, 0, 0.28), 0 0 18px rgba(0, 255, 136, 0.06);
}
.ai-card-img {
    height: 180px;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05) 0%, var(--surface-elevated) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}
.placeholder-img {
    text-align: center;
}
.placeholder-img span {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}
.placeholder-img p {
    font-size: 0.7rem;
    color: var(--text-dim);
    letter-spacing: 0.1em;
}
.ai-card-body {
    padding: 30px;
}
.ai-card-body h4 {
    font-size: 1.1rem;
    color: var(--text-bright);
    margin-bottom: 12px;
}
.ai-card-body p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
}
.ai-card-body ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.ai-card-body li {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 5px 0;
}
.ai-card-body li::before {
    content: '✓ ';
    color: var(--terminal-green);
}

/* ============================================
   WHY SECTION
   ============================================ */
.why-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}
.why-intro {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}
.why-features {}
.wf-item {
    display: flex;
    gap: 20px;
    padding: 25px 0;
    border-bottom: 1px solid var(--border);
}
.wf-item:last-child { border-bottom: none; }
.wf-icon {
    font-size: 1.8rem;
    flex-shrink: 0;
}
.wf-item h4 {
    font-size: 1rem;
    color: var(--text-bright);
    margin-bottom: 8px;
}
.wf-item p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.why-visual {}
.stats-box {
    padding: 35px;
    background: var(--surface);
    border: 1px solid var(--border);
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq-section {
    padding: 100px 0;
}
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border: 1px solid var(--border);
    margin-bottom: 15px;
    transition: all 0.3s;
}
.faq-item:hover {
    border-color: var(--terminal-green);
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px;
    cursor: pointer;
    background: var(--surface);
}
.faq-question h4 {
    font-size: 1rem;
    color: var(--text-bright);
    font-weight: 400;
}
.faq-toggle {
    font-size: 1.2rem;
    color: var(--terminal-green);
    transition: transform 0.3s;
}
.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-item.active .faq-answer {
    max-height: 500px;
}
.faq-answer p {
    padding: 0 30px 25px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.8;
}

/* ============================================
   CLI INTERFACE ELEMENTS
   ============================================ */
.cli-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    margin: 30px 0;
}
.cli-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
}
.cli-body {
    padding: 25px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}
.cli-line {
    margin-bottom: 8px;
    color: var(--text-muted);
}
.cli-prompt { color: var(--terminal-green); }
.cli-output { color: var(--terminal-silver); padding-left: 20px; }
.cli-comment { color: var(--text-dim); font-style: italic; }
.cli-success { color: #27ca40; }
.cli-highlight { color: var(--terminal-green); }

/* ============================================
   FOOTER - PREMIUM ADAPTIVE GLASSMORPHISM
   Day/Night responsive with particle effects
   ============================================ */
.footer, .site-footer {
    position: relative;
    z-index: 1;
    
    /* Multi-layer adaptive glass background */
    background: 
        /* Top light refraction */
        linear-gradient(0deg, 
            transparent 0%,
            rgba(255, 255, 255, 0.02) 100%),
        /* Primary glass layers */
        linear-gradient(180deg, 
            var(--glass-primary) 0%, 
            var(--glass-secondary) 30%,
            transparent 60%),
        /* Ambient corner glows */
        radial-gradient(ellipse at 0% 100%, var(--ambient-glow-1) 0%, transparent 40%),
        radial-gradient(ellipse at 100% 100%, var(--ambient-glow-2) 0%, transparent 40%),
        /* Base */
        var(--surface);
    
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
    
    /* Top edge glow */
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.04),
        inset 0 2px 20px rgba(0, 0, 0, 0.2);
}

/* Animated prismatic top bar */
.footer-top-accent {
    height: 3px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--edge-prismatic-1) 15%,
        var(--edge-prismatic-2) 35%,
        var(--edge-prismatic-3) 50%,
        var(--edge-prismatic-2) 65%,
        var(--edge-prismatic-1) 85%,
        transparent 100%
    );
    box-shadow: 
        0 0 30px var(--particle-primary),
        0 0 60px var(--particle-secondary);
}

/* Shimmer effect on top bar */
.footer-top-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: footerTopShimmer 4s ease-in-out infinite;
}

@keyframes footerTopShimmer {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

/* Floating particles along top bar */
.footer-top-accent::after {
    content: '';
    position: absolute;
    top: -2px;
    left: 0;
    right: 0;
    height: 8px;
    background: 
        radial-gradient(circle at 20%, var(--particle-primary) 0%, transparent 3px),
        radial-gradient(circle at 40%, var(--particle-secondary) 0%, transparent 2px),
        radial-gradient(circle at 60%, var(--particle-primary) 0%, transparent 3px),
        radial-gradient(circle at 80%, var(--particle-tertiary) 0%, transparent 2px);
    animation: footerParticlesDrift 6s ease-in-out infinite;
    opacity: 0.8;
}

@keyframes footerParticlesDrift {
    0%, 100% { transform: translateX(0); opacity: 0.6; }
    25% { transform: translateX(10px); opacity: 1; }
    50% { transform: translateX(-5px); opacity: 0.8; }
    75% { transform: translateX(5px); opacity: 1; }
}

.footer-main {
    padding: 70px 50px;
    position: relative;
}

/* Subtle grid pattern overlay */
.footer-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(90deg, rgba(255,255,255,0.01) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,0.01) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    opacity: 0.5;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(5, 1fr);
    gap: 40px 28px;
    max-width: 1600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.footer-brand {}
.footer-brand img {
    max-height: 36px;
    width: auto;
    height: auto;
    margin-bottom: 20px;
}
.footer-logo {
    height: 60px;
    max-height: 60px;
    margin-bottom: 20px;
}
.footer-brand p, .footer-desc {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 25px;
    max-width: 300px;
}
.footer-social {
    display: flex;
    gap: 15px;
}
.footer-social a {
    font-size: 1.5rem;
    transition: transform 0.3s;
}
.footer-social a:hover { transform: scale(1.15); }

.footer-col h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--terminal-green);
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0, 255, 136, 0.12);
}
.footer-col a {
    display: block;
    font-family: 'Space Grotesk', system-ui, sans-serif;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding: 2px 0;
    transition: color 0.3s;
}
.footer-col a:hover { color: var(--terminal-green); }

/* Footer Stats - Glass panel */
.footer-stats {
    background: 
        linear-gradient(135deg, var(--glass-primary) 0%, transparent 50%),
        linear-gradient(45deg, transparent 50%, var(--glass-secondary) 100%),
        rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 35px 50px;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
}
.footer-stats-row {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
    max-width: 1400px;
    margin: 0 auto;
}
.footer-stat {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.footer-stat span, .footer-stat strong {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--terminal-green);
    text-shadow: 0 0 20px var(--glow-green);
    margin-right: 8px;
}

/* Footer Bottom - Deep glass with particles */
.footer-bottom {
    padding: 30px 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    position: relative;
    overflow: hidden;
    
    /* Deep glass effect */
    background: 
        linear-gradient(180deg, 
            rgba(0, 0, 0, 0.2) 0%, 
            rgba(0, 0, 0, 0.4) 100%),
        radial-gradient(ellipse at 50% 100%, var(--ambient-glow-1) 0%, transparent 60%);
}

/* Animated glow pulse */
.footer-bottom::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 120px;
    background: radial-gradient(ellipse at center bottom, 
        var(--particle-primary) 0%, 
        var(--particle-secondary) 30%,
        transparent 70%);
    opacity: 0.25;
    pointer-events: none;
    animation: footerGlowPulse 4s ease-in-out infinite;
}

@keyframes footerGlowPulse {
    0%, 100% { opacity: 0.15; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.35; transform: translateX(-50%) scale(1.15); }
}

/* Animated shimmer line */
.footer-bottom::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--terminal-green), var(--terminal-silver), var(--terminal-green), transparent);
    background-size: 200% 100%;
    animation: footerLineShimmer 3s linear infinite;
}
@keyframes footerLineShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 25px;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.footer-bottom p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-dim);
}

/* Footer floating particles */
.footer-particles {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    pointer-events: none;
    overflow: hidden;
}
.footer-particle {
    position: absolute;
    bottom: 0;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    animation: footerParticleRise 4s ease-out infinite;
}
.footer-particle:nth-child(1) { left: 10%; background: var(--terminal-green); animation-delay: 0s; }
.footer-particle:nth-child(2) { left: 25%; background: var(--terminal-silver); animation-delay: 0.8s; }
.footer-particle:nth-child(3) { left: 40%; background: var(--terminal-green); animation-delay: 1.6s; }
.footer-particle:nth-child(4) { left: 55%; background: var(--terminal-silver); animation-delay: 2.4s; }
.footer-particle:nth-child(5) { left: 70%; background: var(--terminal-green); animation-delay: 3.2s; }
.footer-particle:nth-child(6) { left: 85%; background: var(--terminal-silver); animation-delay: 0.4s; }
@keyframes footerParticleRise {
    0% { transform: translateY(0) scale(1); opacity: 0; }
    20% { opacity: 0.8; }
    100% { transform: translateY(-60px) scale(0); opacity: 0; }
}
.footer-links {
    display: flex;
    gap: 35px;
}
.footer-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--terminal-green); }
.footer-badges {
    display: flex;
    gap: 15px;
}
.footer-badges span {
    font-family: 'JetBrains Mono', monospace;
    padding: 6px 15px;
    font-size: 0.55rem;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* ============================================
   LANGUAGE CONTENT
   ============================================ */
.lang-content { display: none; }
.lang-content.active { display: block; }
h1.lang-content { display: none; }
h1.lang-content.active { display: block; }
p.lang-content { display: none; }
p.lang-content.active { display: block; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
    .container { padding: 0 clamp(20px, 4vw, 40px); }
    .hero-grid { grid-template-columns: 1fr; gap: 60px; }
    .hero-visual { order: -1; }
    .features, .features-grid { grid-template-columns: repeat(2, 1fr); }
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .ai-showcase-grid { grid-template-columns: 1fr; }
}
/* Tablet breakpoint: 2-column grids between mobile and desktop */
@media (min-width: 769px) and (max-width: 1024px) {
    .pillars, .pillars-grid,
    .services-grid,
    .platform-grid,
    .platforms, .platforms-grid,
    .pricing-grid,
    .use-case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .features, .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .ai-showcase-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}
@media (max-width: 900px) {
    .container { padding: 0 clamp(20px, 4vw, 30px); }
    .header-row-1, .header-top { padding: 15px 30px; }
    .header-row-2, .header-nav { padding: 0 30px; }
    .header-contact-info { display: none; }
    .pillars, .pillars-grid { grid-template-columns: 1fr; }
    .platforms, .platforms-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .cta-box {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 56px 40px;
        gap: 48px;
    }
    .cta-contact {
        padding-left: 0;
        border-left: none;
        padding-top: 40px;
        border-top: 1px solid var(--border);
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    .footer-main { padding: 50px 30px; }
    .footer-stats { padding: 30px; }
    .footer-stats-row { gap: 30px; }
    .footer-bottom { padding: 25px 30px; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 600px) {
    .container { padding: 0 clamp(16px, 4vw, 25px); }
    .main, .main-content { padding-top: 180px; }
    .header-row-1, .header-top {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
        padding: 20px 25px;
    }
    .header-logo { justify-content: center; }
    .header-logo img.logo-s,
    .header-logo img.s-logo { height: 70px; }
    .header-logo img.logo-full { display: none !important; }
    .header-lang, .lang-switcher { justify-content: center; }
    .header-cta-group, .header-cta { justify-content: center; }
    .header-row-2, .header-nav {
        justify-content: flex-start;
        padding: 0 15px;
        overflow-x: visible;
    }
    /* Hide dropdowns on mobile - use mobile nav instead - ONLY on small screens */
    .header-row-2 .nav-dropdown { display: none !important; }
    .bento-grid { grid-template-columns: 1fr; }
    .bento-item.span-2 { grid-column: span 1; }
    .features, .features-grid { grid-template-columns: 1fr; }
    .hero-btns, .hero-cta-group { flex-direction: column; }
    .cta-btns, .cta-buttons { flex-direction: column; }
    .footer-stats-row { flex-direction: column; gap: 20px; text-align: center; }
}

/* DESKTOP DROPDOWN OVERRIDE - Must come AFTER mobile rules */
@media (min-width: 601px) {
    .header-row-2 .nav-dropdown {
        display: block !important;
    }
}

/* Animation helpers */
.visible { opacity: 1 !important; transform: translateY(0) !important; }

/* ============================================
   PAGE TRANSITION
   ============================================ */
/* ============================================
   PAGE TRANSITIONS - Cargo Bay Doors Style
   Vertical doors that open/close from center
   ============================================ */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 99998;
    pointer-events: none;
}

.page-transition-door {
    position: absolute;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--void, #000);
    overflow: hidden;
}

.page-transition-door::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent 20%, var(--terminal-green, #00ff88), transparent 80%);
    opacity: 0.9;
}

.page-transition-door.top {
    top: 0;
}

.page-transition-door.top::after {
    bottom: 0;
}

.page-transition-door.bottom {
    bottom: 0;
}

.page-transition-door.bottom::after {
    top: 0;
}

/* Door details - tech lines */
.page-transition-door::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 40px,
            rgba(0, 255, 136, 0.05) 40px,
            rgba(0, 255, 136, 0.05) 41px
        );
    pointer-events: none;
}

/* States controlled by JS - these are just fallbacks */
.page-transition-door.top.open { transform: translateY(-100%); }
.page-transition-door.top.closed { transform: translateY(0); }
.page-transition-door.bottom.open { transform: translateY(100%); }
.page-transition-door.bottom.closed { transform: translateY(0); }

/* Legacy support - remove old bar styles */
.page-transition-bar {
    display: none;
}

/* Language switcher in header - styled for multi-page */
.lang-switcher-nav {
    display: flex;
    gap: 5px;
}
.lang-link {
    padding: 8px 14px;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    border: 1px solid var(--border);
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s;
}
.lang-link:hover, .lang-link.active {
    border-color: var(--terminal-green);
    color: var(--terminal-green);
    background: rgba(0, 255, 136, 0.05);
}