/* ==========================================================================
   TPower Systems - Modern Tech-Space Theme Stylesheet (v28 Final Precision)
   ========================================================================== */

/* --- CSS Variables & Design System --- */
:root {
    --bg-dark: #07080b;
    --bg-card: #161c2b;
    --bg-card-alt: #1d2538;
    --bg-header: rgba(7, 8, 11, 0.88);
    
    --accent-cyan: #00f0ff;
    --accent-cyan-glow: rgba(0, 240, 255, 0.3);
    --accent-hover: #33f3ff;
    
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #64748b;
    
    --border-cyan: rgba(0, 240, 255, 0.35);
    --border-subtle: rgba(255, 255, 255, 0.16);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pixel-screen: 32px;
    --radius-pixel-frame: 34px;
    
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html, body {
    width: 100%;
    min-height: 100vh;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: auto;
    touch-action: pan-y;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 3D WebGL Canvas (Z-Index: 0 - ALWAYS VISIBLE FIXED BACKGROUND) */
#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0 !important;
    pointer-events: none !important;
}

/* Deep Space Vignette (Z-Index: 1) */
.space-vignette {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1 !important;
    pointer-events: none !important;
    background: radial-gradient(circle at 50% 50%, transparent 35%, rgba(7, 8, 11, 0.82) 100%);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.2;
    font-weight: 700;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.gradient-text {
    color: #ffffff;
    -webkit-text-fill-color: #ffffff;
    display: inline-block;
    transition: color 0.4s ease, filter 0.4s ease;
}

.accent-text {
    color: var(--accent-cyan);
}

.accent-link {
    color: var(--accent-cyan);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.accent-link:hover {
    color: var(--accent-hover);
}

/* --- Header & Navigation --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--bg-header);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-subtle);
    transition: transform var(--transition-normal);
}

.navbar {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo-link {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.brand-logo {
    height: 42px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 0 10px var(--accent-cyan-glow));
    transition: transform var(--transition-fast);
}

.brand-logo:hover {
    transform: scale(1.04);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 0.75rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link i {
    font-size: 0.9rem;
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.nav-link:hover i, .nav-link.active i {
    color: var(--accent-cyan);
}

/* Header Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn-nav-legal {
    background: rgba(0, 240, 255, 0.12);
    color: var(--accent-cyan);
    border-color: var(--border-cyan);
}

.btn-nav-legal:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 22px var(--accent-cyan-glow);
    transform: translateY(-2px);
}

/* --- Layout & Content Wrapper (Z-Index: 10) --- */
.content-wrapper {
    max-width: 1280px;
    margin: 0 auto;
    padding-top: 90px;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}

.section {
    min-height: calc(100vh - 90px);
    padding: 4rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}

.section-container {
    width: 100%;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}

/* --- Hero Section (#home) --- */
.hero-section {
    min-height: calc(100vh - 90px);
    text-align: center;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
    display: flex;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}

.hero-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
    will-change: transform, opacity;
}

/* HIGH-TECH SLOGAN */
.hero-title {
    font-size: clamp(2.4rem, 5.5vw, 4.5rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 1.25rem;
    line-height: 1.15;
    cursor: pointer;
    display: inline-block;
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(255, 255, 255, 0.15);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.4s ease;
}

.hero-title:hover {
    transform: scale(1.03) translateY(-4px);
    filter: drop-shadow(0 14px 38px rgba(0, 240, 255, 0.65));
}

.hero-title:hover .gradient-text {
    background: linear-gradient(110deg, #ffffff 10%, var(--accent-cyan) 50%, #ffffff 90%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: heroTitleShine 2.2s linear infinite;
}

@keyframes heroTitleShine {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}

/* HERO SUBTITLE */
.hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 3.25rem auto;
    line-height: 1.6;
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.2px;
}

.hero-subtitle i {
    color: var(--accent-cyan);
    font-size: 1rem;
    filter: drop-shadow(0 0 8px var(--accent-cyan-glow));
}

/* --- App Cards Grid --- */
.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    width: 100%;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
    will-change: transform, opacity;
}

@media (min-width: 992px) {
    .app-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* CENTER-ALIGNED APP CARDS */
.app-card {
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
    cursor: pointer;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.2rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal), box-shadow var(--transition-normal);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.65);
    opacity: 1;
    visibility: visible;
}

.app-card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--accent-cyan-glow), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none !important;
}

.app-card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    width: 100%;
}

.app-card-icon {
    width: 68px;
    height: 68px;
    border-radius: 18px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    transition: transform var(--transition-normal);
}

.app-badge {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 3px 10px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    gap: 6px;
}

.app-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
    font-weight: 700;
}

.app-card-tagline {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    flex-grow: 1;
}

.app-card-link-btn {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform var(--transition-fast);
}

.app-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-cyan);
    background: #1f273d;
    box-shadow: 0 16px 40px rgba(0, 240, 255, 0.25);
}

.app-card:hover .app-card-glow {
    opacity: 0.6;
}

.app-card:hover .app-card-icon {
    transform: scale(1.08) rotate(2deg);
}

.app-card:hover .app-card-link-btn {
    transform: translateX(4px);
}

/* --- Hero Scroll Indicator --- */
.scroll-indicator {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    margin-top: 2.8rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.6px;
    text-transform: uppercase;
    cursor: pointer;
    transition: color var(--transition-fast), transform var(--transition-fast);
    text-decoration: none;
    user-select: none;
}

.scroll-indicator:hover {
    color: var(--accent-cyan);
}

.scroll-arrow-box {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: rgba(0, 240, 255, 0.08);
    border: 1px solid var(--border-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    box-shadow: 0 0 14px var(--accent-cyan-glow);
    animation: scrollBounce 2s infinite ease-in-out;
}

.scroll-indicator:hover .scroll-arrow-box {
    background: rgba(0, 240, 255, 0.22);
    box-shadow: 0 0 22px var(--accent-cyan-glow);
    transform: scale(1.1);
}

@keyframes scrollBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(7px);
    }
    60% {
        transform: translateY(3px);
    }
}

/* --- App Detail Sections --- */
.app-detail-section {
    padding: 5rem 1.5rem;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}

.app-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 3.5rem;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
    position: relative;
    overflow: hidden;
    z-index: 10;
    pointer-events: auto !important;
}

.app-detail-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    pointer-events: none !important;
}

.app-header-block {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
    margin-bottom: 2.5rem;
}

.app-icon-large {
    width: 120px;
    height: 120px;
    border-radius: 26px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    flex-shrink: 0;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.app-title-group h2 {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    margin-bottom: 0.5rem;
}

.app-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   UNIFORM STORE DOWNLOAD BUTTONS
   ========================================================================== */
.store-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.25rem;
}

.btn-store {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    color: #ffffff;
    background: rgba(0, 102, 255, 0.16);
    border: 1px solid rgba(0, 180, 255, 0.35);
    font-weight: 500;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
}

.btn-store i {
    font-size: 1.35rem;
    color: var(--accent-cyan);
    transition: color var(--transition-fast);
}

.btn-store span {
    font-size: 0.76rem;
    line-height: 1.2;
    color: rgba(255, 255, 255, 0.85);
    text-align: left;
}

.btn-store span strong {
    display: block;
    font-size: 0.92rem;
    color: #ffffff;
    font-weight: 600;
}

.btn-store:hover {
    background: rgba(0, 140, 255, 0.28);
    border-color: var(--accent-cyan);
    box-shadow: 0 6px 22px rgba(0, 240, 255, 0.3);
    transform: translateY(-2px);
}

/* App Body Content */
.app-lead-text {
    font-size: 1.15rem;
    line-height: 1.7;
    color: #e2e8f0;
    margin-bottom: 2rem;
}

.app-description-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.feature-item {
    background: var(--bg-card-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: border-color var(--transition-fast);
}

.feature-item:hover {
    border-color: var(--border-cyan);
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(0, 240, 255, 0.12);
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.05rem;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Supported Models */
.supported-models-card {
    background: var(--bg-card-alt);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-top: 2rem;
}

.supported-models-card h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--accent-cyan);
    display: flex;
    align-items: center;
    gap: 8px;
}

.models-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.model-tag {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-subtle);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* ==========================================================================
   SCREENSHOT CHASSIS STYLING
   ========================================================================== */
.screenshots-wrapper {
    margin-top: 3.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-subtle);
}

.gallery-title {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    justify-items: center;
}

/* Smartphone Chassis */
.pixel-frame {
    position: relative;
    width: 100%;
    max-width: 270px;
    aspect-ratio: 9 / 19.5;
    background: #000000;
    border-radius: var(--radius-pixel-frame);
    padding: 8px;
    border: 1px solid rgba(0, 240, 255, 0.35);
    box-shadow: 
        0 0 25px var(--accent-cyan-glow),
        0 20px 45px rgba(0, 0, 0, 0.85);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    
    will-change: transform;
    backface-visibility: hidden;
    transform: translateZ(0);
}

.pixel-screen {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-pixel-screen);
    overflow: hidden;
    background: #000;
    will-change: transform;
    backface-visibility: hidden;
}

.pixel-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-pixel-screen);
}

.pixel-frame:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 0 35px rgba(0, 240, 255, 0.45),
        0 25px 50px rgba(0, 0, 0, 0.9);
}

/* CrownDrift Promo Banners */
.promo-grid {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    max-width: 650px;
    margin: 0 auto;
}

.promo-frame {
    position: relative;
    width: 100%;
    max-width: 270px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-cyan);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6), 0 0 15px var(--accent-cyan-glow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    will-change: transform;
    backface-visibility: hidden;
}

.promo-frame img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.promo-frame:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 12px 30px rgba(0, 240, 255, 0.35);
}

/* ==========================================================================
   PURE 3D SOLAR SYSTEM FINALE, FLOATING BTN RIGHT ABOVE FOOTER & LONGER SCROLL
   ========================================================================== */
.planet-center-trigger {
    height: 45vh; /* Generous scroll gap where main planet stays centered! */
    width: 100%;
    pointer-events: none !important;
}

.solar-system-section {
    min-height: 100vh;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
    pointer-events: auto !important;
}

.solar-space-spacer {
    height: 55vh;
    width: 100%;
    pointer-events: none !important;
}

/* FLOATING MINIMALIST BACK TO TOP BUTTON (RIGHT ABOVE BOTTOM FOOTER) */
.back-to-top-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-bottom: 0.75rem; /* Sits right above the bottom menu! */
    position: relative;
    z-index: 10;
}

.btn-back-to-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 24px;
    background: rgba(0, 240, 255, 0.14);
    border: 1px solid var(--border-cyan);
    border-radius: 30px;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 0 22px var(--accent-cyan-glow);
    transition: all var(--transition-fast);
    text-decoration: none;
    user-select: none;
}

.btn-back-to-top i {
    color: var(--accent-cyan);
    font-size: 0.90rem;
    transition: transform var(--transition-fast);
}

.btn-back-to-top:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    box-shadow: 0 0 32px var(--accent-cyan-glow);
    transform: translateY(-3px);
}

.btn-back-to-top:hover i {
    color: var(--bg-dark);
    transform: translateY(-2px);
}

/* 100VW FULL-WIDTH FOOTER (COMPACT HEIGHT) */
.site-footer {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    background: var(--bg-card-alt);
    border-top: 1px solid var(--border-subtle);
    padding: 1.5rem 2rem;
    position: relative;
    z-index: 10;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    width: 100%;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    height: 32px;
}

.footer-left p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.footer-links a:hover {
    color: var(--accent-cyan);
}

.legal-footer-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.88rem;
    cursor: pointer;
    font-family: var(--font-body);
    transition: color var(--transition-fast);
}

.legal-footer-btn:hover {
    color: var(--accent-cyan);
}

/* ==========================================================================
   LEGAL MODAL OVERLAY
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    display: none !important;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none !important;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    display: flex !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(4, 5, 8, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.modal-container {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    background: var(--bg-card);
    border: 1px solid var(--border-cyan);
    border-radius: var(--radius-lg);
    box-shadow: 0 0 50px var(--accent-cyan-glow), 0 30px 60px rgba(0, 0, 0, 0.95);
    display: flex;
    flex-direction: column;
    transform: scale(0.95) translateY(20px);
    transition: transform var(--transition-normal);
    z-index: 10;
    overflow: hidden;
}

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

.modal-header {
    padding: 1.25rem 2rem;
    background: var(--bg-card-alt);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.modal-close-btn:hover {
    color: var(--accent-cyan);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto !important;
    overscroll-behavior: contain;
    max-height: calc(85vh - 75px);
    -webkit-overflow-scrolling: touch;
    pointer-events: auto !important;
}

.legal-card-modal {
    background: transparent;
}

.legal-subtitle {
    font-size: 1.4rem;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.legal-item {
    margin-bottom: 1.75rem;
}

.legal-item h5 {
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.legal-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.legal-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 3rem 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
    border: 1px solid var(--border-subtle);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-cyan);
}

/* ==========================================================================
   MOBILE RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
    .app-header-block {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .app-detail-card {
        padding: 2.5rem 1.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.65rem 1rem;
        gap: 0.5rem;
    }
    
    .brand-logo {
        height: 32px;
    }

    .nav-menu {
        gap: 0.5rem;
    }

    .nav-links {
        gap: 0.25rem;
    }
    
    .nav-link {
        padding: 5px 8px;
        font-size: 0.82rem;
    }
    
    .btn-nav-legal {
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    
    .hero-section {
        padding: 1.5rem 0.85rem;
    }
    
    .hero-title {
        font-size: 2.0rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1.75rem;
    }

    /* MOBILE 2x2 APP GRID */
    .app-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.85rem;
    }

    .app-card {
        padding: 1.25rem 0.75rem;
        border-radius: var(--radius-md);
    }
    
    .app-card-icon {
        width: 52px;
        height: 52px;
        border-radius: 14px;
    }

    .app-badge {
        padding: 2px 7px;
        font-size: 0.68rem;
    }

    .app-card h3 {
        font-size: 1.05rem;
        margin-bottom: 0.25rem;
    }

    .app-card-tagline {
        font-size: 0.78rem;
        margin-bottom: 1rem;
        line-height: 1.3;
    }

    .app-card-link-btn {
        font-size: 0.75rem;
    }

    .scroll-indicator {
        margin-top: 1.5rem;
        font-size: 0.78rem;
        gap: 6px;
    }

    .scroll-arrow-box {
        width: 30px;
        height: 30px;
    }

    .store-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-store {
        width: 100%;
        justify-content: center;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .pixel-frame {
        max-width: 250px;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .btn-back-to-top {
        padding: 9px 20px;
        font-size: 0.82rem;
    }
}

@media (max-width: 420px) {
    .navbar {
        padding: 0.5rem 0.65rem;
    }

    .nav-link span, .btn-nav-legal span {
        display: inline-block;
    }
}