/* Design Tokens & Theme Configuration */
:root {
    --bg-obsidian: #0b0f19;
    --bg-surface: #111827;
    --bg-surface-hover: #1f2937;
    --bg-glass: rgba(17, 24, 39, 0.7);
    
    --neon-emerald: #10B981;
    --neon-emerald-glow: rgba(16, 185, 129, 0.3);
    --neon-cyan: #06B6D4;
    --accent-indigo: #6366F1;
    
    --text-primary: #F9FAFB;
    --text-secondary: #9CA3AF;
    --text-muted: #6B7280;
    
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(16, 185, 129, 0.4);
    
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-body);
    background-color: var(--bg-obsidian);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body {
    position: relative;
    min-height: 100vh;
}

/* Cyber Atmosphere Grid & Orbs */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    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: 60px 60px;
    z-index: -2;
    pointer-events: none;
}

.glowing-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(150px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.4;
}

.orb-top {
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 400px;
    background: radial-gradient(circle, var(--neon-emerald), var(--accent-indigo), transparent 70%);
}

.orb-bottom {
    bottom: 200px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--neon-cyan), transparent 70%);
}

/* Utility & Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.2;
}

.neon-text {
    background: linear-gradient(135deg, #34D399, #10B981, #60A5FA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Floating Capsule Navbar */
.nav-wrapper {
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 1000;
    padding: 0 20px;
}

.capsule-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 960px;
    padding: 10px 24px;
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-pill);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: var(--transition);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo-img {
    height: 38px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
}

.neon-icon {
    width: 34px;
    height: 34px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--neon-emerald);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 0 15px var(--neon-emerald-glow);
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.dot-accent {
    color: var(--neon-emerald);
}

.nav-menu {
    display: flex;
    gap: 28px;
}

.nav-item {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.nav-item:hover {
    color: var(--neon-emerald);
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    font-family: var(--font-body);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn-emerald {
    background: linear-gradient(135deg, var(--neon-emerald), #059669);
    color: #ffffff;
    box-shadow: 0 10px 25px var(--neon-emerald-glow);
}

.btn-emerald:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.5);
    filter: brightness(1.1);
}

.btn-indigo, .btn-blue {
    background: linear-gradient(135deg, #3B82F6, #1D4ED8);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.35);
}

.btn-indigo:hover, .btn-blue:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.55);
    filter: brightness(1.1);
}

.btn-pulse {
    animation: pulse-btn 2.5s infinite;
}

@keyframes pulse-btn {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
    50% { box-shadow: 0 0 0 14px rgba(16, 185, 129, 0); }
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-glass);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glow);
    color: var(--neon-emerald);
}

.btn-outline:hover {
    background: rgba(16, 185, 129, 0.1);
}

/* Hero Spotlight Section */
.hero-spotlight {
    padding: 160px 0 80px;
}

.version-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 18px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-pill);
    font-size: 0.85rem;
    color: var(--neon-emerald);
    font-weight: 600;
    margin-bottom: 24px;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--neon-emerald);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--neon-emerald);
}

.hero-headline {
    font-size: 3.6rem;
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero-subtext {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 40px;
}

.hero-action-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.btn-labels {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.btn-title {
    font-size: 1.05rem;
    line-height: 1.2;
}

.btn-meta {
    font-size: 0.75rem;
    opacity: 0.85;
    font-weight: 400;
}

.hero-trust-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.trust-divider {
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 50%;
}

/* Hero 3D Showcase Grid Layout */
.hero-showcase-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.showcase-card {
    position: relative;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.banner-card {
    background: rgba(17, 24, 39, 0.6);
    border: 1px solid var(--border-glow);
    padding: 12px;
    backdrop-filter: blur(16px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 45px rgba(16, 185, 129, 0.2);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}

.banner-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.7), 0 0 60px rgba(16, 185, 129, 0.35);
}

.showcase-badge {
    position: absolute;
    top: 24px;
    left: 24px;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glow);
    color: var(--neon-emerald);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    z-index: 10;
}

.hero-banner-img {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-md);
    object-fit: cover;
    object-position: center;
    display: block;
}

/* Device Screen Simulation */
.device-card-wrapper {
    max-width: 100%;
}

.glass-device-card {
    background: rgba(17, 24, 39, 0.75);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(16, 185, 129, 0.15);
    overflow: hidden;
    text-align: left;
}

.device-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(11, 15, 25, 0.8);
    border-bottom: 1px solid var(--border-glass);
}

.device-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background: #EF4444; }
.dot.yellow { background: #F59E0B; }
.dot.green { background: #10B981; }

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

.device-status {
    font-size: 0.75rem;
    color: var(--neon-emerald);
}

.device-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chat-row {
    display: flex;
    gap: 12px;
    max-width: 85%;
}

.chat-row.right {
    margin-left: auto;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-emerald), var(--accent-indigo));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.msg-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 0.9rem;
}

.msg-card.accent {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(99, 102, 241, 0.2));
    border-color: var(--border-glow);
}

.sender {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--neon-emerald);
    margin-bottom: 4px;
}

.time {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 6px;
    text-align: right;
}

.media-card {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 280px;
}

.media-icon {
    font-size: 1.8rem;
}

.progress-line {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    margin: 6px 0 4px;
    overflow: hidden;
}

.progress-line .fill {
    width: 100%;
    height: 100%;
    background: var(--neon-emerald);
}

/* Section Title Box */
.section-title-box {
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--neon-emerald);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 10px;
}

.section-title-box h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.section-title-box p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Download Hub Section */
.download-hub-section {
    padding: 100px 0;
    background: rgba(17, 24, 39, 0.3);
}

.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    margin-bottom: 40px;
}

.hub-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    position: relative;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.hub-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.primary-hub {
    border-color: var(--neon-emerald);
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.15);
}

.hub-badge {
    position: absolute;
    top: 16px;
    right: 20px;
    background: var(--neon-emerald);
    color: #0b0f19;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: var(--radius-pill);
}

.hub-badge.alt {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.hub-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.hub-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.hub-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.specs-mini {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    padding: 14px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.85rem;
    margin-top: auto;
}

.mini-row {
    display: flex;
    justify-content: space-between;
}

.mini-row span { color: var(--text-muted); }

.status-online {
    color: var(--neon-emerald);
    font-weight: 600;
}

.qr-card {
    text-align: center;
    align-items: center;
}

.qr-code-box {
    padding: 14px;
    background: white;
    border-radius: var(--radius-md);
    margin: 16px 0;
    display: inline-block;
}

.qr-code-img {
    width: 140px;
    height: 140px;
    object-fit: contain;
    display: block;
}

.qr-code-img-large {
    width: 220px;
    height: 220px;
    object-fit: contain;
    background: white;
    padding: 14px;
    border-radius: var(--radius-md);
    display: block;
    margin: 0 auto;
}

.qr-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Security Checksum Box */
.checksum-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.checksum-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.checksum-value {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(0, 0, 0, 0.4);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    word-break: break-all;
}

.checksum-value code {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--neon-emerald);
}

.btn-copy {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-copy:hover {
    background: var(--neon-emerald);
    color: #0b0f19;
}

/* Tabbed Features Section */
.features-tab-section {
    padding: 100px 0;
}

.tab-buttons-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.tab-btn {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 12px 24px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
}

.tab-btn:hover, .tab-btn.active {
    background: rgba(16, 185, 129, 0.15);
    border-color: var(--neon-emerald);
    color: var(--neon-emerald);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 48px;
}

.tab-text h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.tab-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.tab-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tab-list li {
    font-size: 0.95rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tab-visual {
    height: 280px;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(99, 102, 241, 0.1));
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.visual-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(0, 0, 0, 0.5);
    padding: 4px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    color: var(--neon-emerald);
    border: 1px solid var(--border-glow);
}

.visual-icon-large {
    font-size: 4rem;
}

/* Comparison Section */
.comparison-section {
    padding: 100px 0;
    background: rgba(17, 24, 39, 0.2);
}

.table-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

.comparison-table th, .comparison-table td {
    padding: 20px 28px;
    text-align: left;
    border-bottom: 1px solid var(--border-glass);
}

.comparison-table th {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    background: rgba(0, 0, 0, 0.3);
}

.highlight-col {
    background: rgba(16, 185, 129, 0.05);
    color: var(--neon-emerald);
}

.check-mark { color: var(--neon-emerald); font-weight: 600; }
.cross-mark { color: var(--text-muted); }

/* Installation Timeline Section */
.installation-section {
    padding: 100px 0;
}

.timeline-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.timeline-step {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    position: relative;
    transition: var(--transition);
}

.timeline-step:hover {
    border-color: var(--border-glow);
}

.step-badge {
    width: 48px;
    height: 48px;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--neon-emerald);
    color: var(--neon-emerald);
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.step-content h4 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
}

.faq-accordion {
    max-width: 840px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.faq-card.active {
    border-color: var(--border-glow);
}

.faq-question {
    padding: 22px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-toggle-icon {
    font-size: 1.5rem;
    color: var(--neon-emerald);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 28px;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-card.active .faq-answer {
    max-height: 200px;
    padding: 0 28px 24px;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-answer a { color: var(--neon-emerald); }

/* Footer */
.footer-cyber {
    background: #060911;
    border-top: 1px solid var(--border-glass);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-about {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 18px 0;
    max-width: 380px;
}

.seo-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.seo-pill {
    font-size: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

.seo-pill a { color: var(--text-secondary); text-decoration: none; }

.footer-links-column h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-links-column ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-column a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-links-column a:hover {
    color: var(--neon-emerald);
}

.footer-copyright {
    border-top: 1px solid var(--border-glass);
    padding: 28px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.glass-modal-card {
    background: #111827;
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 460px;
    padding: 36px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
}

.btn-close-modal {
    position: absolute;
    top: 16px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.8rem;
    cursor: pointer;
}

.modal-badge-icon {
    font-size: 2.8rem;
    margin-bottom: 12px;
}

.modal-sub {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.cyber-progress-track {
    width: 100%;
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 14px;
}

.cyber-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--neon-emerald), var(--neon-cyan));
    transition: width 0.2s linear;
}

.download-info-status {
    font-size: 0.85rem;
    color: var(--neon-emerald);
    margin-bottom: 24px;
}

.large-qr-wrapper {
    margin: 20px 0;
}

.code-url {
    font-family: monospace;
    color: var(--neon-emerald);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
    .hero-headline { font-size: 2.8rem; }
    .hero-showcase-grid { grid-template-columns: 1fr; gap: 24px; }
    .tab-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .nav-menu { display: none; }
    .hero-headline { font-size: 2.2rem; }
    .hero-trust-bar { flex-direction: column; gap: 10px; }
    .trust-divider { display: none; }
    .checksum-box { flex-direction: column; align-items: flex-start; }
}