:root {
    --bg-dark: #0a0f1e;
    --bg-alt: #111827;
    --text-primary: #e4eaf5;
    --text-gray: #9ca3af;
    --accent: #00b4d8;
    --accent-hover: #0096c7;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    
    --font-heading: 'Cabinet Grotesk', sans-serif;
    --font-body: 'Satoshi', sans-serif;
    
    --glow-shadow: 0 0 15px rgba(0, 180, 216, 0.4);
    --glow-shadow-large: 0 0 30px rgba(0, 180, 216, 0.6);
}

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

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

body {
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.container-narrow {
    max-width: 800px;
}
.text-center { text-align: center; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1.5rem; }
.pt-4 { padding-top: 1.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.d-none { display: none !important; }
.d-table { display: table; }
.w-100 { width: 100%; }
.text-accent { color: var(--accent); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-gray { color: var(--text-gray); }
.text-large { font-size: 1.5rem; }
.border-top { border-top: 1px solid rgba(255,255,255,0.1); }
.bg-alt { background-color: var(--bg-alt); }

.section {
    padding: 80px 0;
}
.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 800;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Progress bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--accent);
    z-index: 1000;
    width: 0%;
    box-shadow: var(--glow-shadow);
}

/* Header */
.header {
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 15, 30, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: 0.5px;
}
.logo-icon {
    font-size: 1.8rem;
}
.nav a {
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.3s;
}
.nav a:hover {
    color: var(--accent);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    border: none;
    font-family: var(--font-body);
}
.btn-primary {
    background-color: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--accent-hover);
}
.btn-outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--accent);
}
.btn-outline:hover {
    background-color: rgba(0, 180, 216, 0.1);
}
.btn-large {
    padding: 16px 32px;
    font-size: 1.2rem;
}
.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}
.glow-effect:hover {
    box-shadow: var(--glow-shadow);
    transform: translateY(-2px);
}
.glow-effect-large {
    box-shadow: var(--glow-shadow-large);
}
.glow-text {
    text-shadow: 0 0 10px rgba(0, 180, 216, 0.5);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
    text-align: center;
}
.hero-bg-grid {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    z-index: -1;
    animation: gridMove 20s linear infinite;
    opacity: 0.5;
}
.hero-bg-grid::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, var(--bg-dark) 80%);
}

@keyframes gridMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(30px); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff 0%, #00b4d8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto 30px;
}
.platform-icons span {
    font-size: 1.8rem;
    margin: 0 10px;
    opacity: 0.8;
    transition: 0.3s;
}
.platform-icons span:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Speed Ticker */
.speed-ticker-wrapper {
    background: rgba(0,0,0,0.4);
    border-top: 1px solid rgba(0, 180, 216, 0.2);
    border-bottom: 1px solid rgba(0, 180, 216, 0.2);
    padding: 15px 0;
    overflow: hidden;
}
.speed-ticker {
    white-space: nowrap;
    text-align: center;
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--accent);
}
.ticker-content span { margin: 0 15px; }
.ticker-content .dot { opacity: 0.5; }

/* Scroll Reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 30px;
    transition: 0.3s;
}
.feature-card:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.05);
    border-color: rgba(0, 180, 216, 0.3);
}
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}
.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 10px;
}
.feature-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Counters */
.counters-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
    text-align: center;
}
.counter-box {
    flex: 1;
    min-width: 250px;
}
.counter-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--accent);
    display: inline-block;
    font-family: var(--font-heading);
}
.counter-plus {
    font-size: 2.5rem;
    color: var(--accent);
    display: inline-block;
    vertical-align: top;
    margin-top: 5px;
}
.counter-label {
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    color: var(--text-gray);
    margin-top: 10px;
}

/* Steps */
.steps-container {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    position: relative;
}
.steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: rgba(0, 180, 216, 0.2);
    z-index: 1;
}
.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}
.step-number {
    width: 60px;
    height: 60px;
    background: var(--bg-dark);
    border: 2px solid var(--accent);
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto 20px;
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: center;
}
.pricing-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: 0.3s;
}
.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 180, 216, 0.4);
}
.pricing-card.popular {
    background: linear-gradient(180deg, rgba(0, 180, 216, 0.05) 0%, rgba(255,255,255,0.02) 100%);
    border-color: var(--accent);
    transform: scale(1.05);
    box-shadow: var(--glow-shadow);
}
.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}
.badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.sub-badge {
    font-size: 0.9rem;
    color: var(--accent);
    margin-top: 5px;
}
.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
}
.pricing-price {
    margin: 20px 0 5px;
}
.price-value {
    font-size: 3rem;
    font-weight: 900;
    font-family: var(--font-heading);
}
.price-period {
    color: var(--text-gray);
    font-size: 1.1rem;
}
.pricing-total {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 5px;
}
.pricing-discount {
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.pricing-features {
    list-style: none;
    text-align: left;
    margin: 30px 0;
}
.pricing-features li {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* Calculator */
.calc-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 40px;
}
.calc-tabs {
    display: flex;
    justify-content: space-between;
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 5px;
    margin-bottom: 30px;
}
.calc-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-gray);
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}
.calc-tab.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
}
.calc-row {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}
.calc-label {
    width: 200px;
    font-size: 0.9rem;
    color: var(--text-gray);
}
.calc-bar-wrap {
    flex: 1;
    height: 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 5px;
    overflow: hidden;
    margin: 0 15px;
}
.calc-bar {
    height: 100%;
    transition: width 0.5s ease-in-out;
}
.bg-gray { background: #4b5563; }
.bg-accent { background: var(--accent); }
.calc-val {
    width: 60px;
    text-align: right;
    font-weight: 700;
    font-family: monospace;
    font-size: 1.1rem;
}

/* Platforms */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}
.platform-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 30px 20px;
    text-align: center;
    transition: 0.3s;
    display: flex;
    flex-direction: column;
}
.platform-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 180, 216, 0.4);
    box-shadow: var(--glow-shadow);
}
.platform-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}
.platform-card h3 {
    margin-bottom: 10px;
}
.platform-desc {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 20px;
}
.platform-req {
    font-size: 0.8rem;
    color: var(--text-gray);
    margin-top: 15px;
}

/* Streaming */
.streaming-wrapper {
    max-width: 800px;
    margin: 0 auto;
}
.stream-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}
.stream-tab {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    transition: 0.3s;
    font-weight: 600;
}
.stream-tab.active {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 180, 216, 0.3);
}
.stream-result-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 40px;
    min-height: 200px;
}
.stream-result {
    display: none;
    animation: fadeIn 0.4s ease-out;
}
.stream-result.active {
    display: block;
}
.stream-result h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--success);
}
.stream-result p {
    margin-bottom: 10px;
    font-size: 1.1rem;
}

/* ZoogScore */
.score-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 40px;
}
.quiz-options label {
    display: block;
    padding: 12px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: 0.3s;
}
.quiz-options label:hover {
    background: rgba(255,255,255,0.1);
}
.quiz-options input {
    margin-right: 10px;
}
.score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 30px 0;
}
.score-circle {
    font-size: 3rem;
    font-family: var(--font-heading);
    font-weight: 900;
}
.score-total {
    font-size: 1.5rem;
    color: var(--text-gray);
}
.score-status {
    font-weight: 700;
    margin-top: 5px;
    font-size: 1.2rem;
}
.score-bar-wrap {
    height: 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 5px;
    overflow: hidden;
}
.score-bar {
    height: 100%;
    width: 0%;
    transition: width 1.5s ease-out, background-color 0.5s;
}

/* Shadowing Demo */
.shadowing-cols {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 40px;
}
.shadowing-col {
    flex: 1;
    max-width: 350px;
    text-align: center;
    opacity: 0.5;
    transition: 0.3s;
}
.shadowing-col.active-mode {
    opacity: 1;
    transform: scale(1.05);
}
.s-flow {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.s-packet, .s-dpi, .s-result {
    padding: 15px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-family: monospace;
}
.s-packet.safe {
    border-color: var(--accent);
    color: var(--accent);
}
.s-result.error {
    border-color: var(--danger);
    color: var(--danger);
}
.s-result.success {
    border-color: var(--success);
    color: var(--success);
}
.s-arrow {
    font-size: 1.5rem;
}
.shadowing-geo {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-weight: 700;
}

/* Comparison Table */
.table-responsive {
    overflow-x: auto;
}
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    min-width: 600px;
}
.comparison-table th, .comparison-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.comparison-table th {
    font-family: var(--font-heading);
    color: var(--text-gray);
}
.highlight-col {
    background: rgba(0, 180, 216, 0.05);
}
.comparison-table th.highlight-col {
    color: var(--accent);
    border-top: 2px solid var(--accent);
}

/* Reviews */
.reviews-grid {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding-bottom: 20px;
    scroll-snap-type: x mandatory;
}
.review-card {
    min-width: 300px;
    flex: 1;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 25px;
    scroll-snap-align: start;
}
.stars {
    margin-bottom: 10px;
    letter-spacing: 2px;
}
.review-card h4 {
    margin-bottom: 15px;
    color: var(--accent);
}
.review-card p {
    font-style: italic;
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Marquee */
.marquee-container {
    background: var(--accent);
    color: #fff;
    padding: 15px 0;
    overflow: hidden;
    position: relative;
    display: flex;
}
.marquee {
    white-space: nowrap;
    animation: marquee 40s linear infinite;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
}
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Guarantee / FAQ / SEO */
.g-features .g-item {
    margin: 0 15px;
    font-weight: 700;
}
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}
.faq-item summary {
    padding: 20px;
    font-weight: 700;
    cursor: pointer;
    outline: none;
    transition: 0.3s;
}
.faq-item summary:hover {
    background: rgba(255,255,255,0.05);
}
.faq-content {
    padding: 0 20px 20px;
    color: var(--text-gray);
}
.seo-content {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
}
.seo-content h2 {
    font-size: 1.2rem;
    margin: 30px 0 15px;
    color: rgba(255,255,255,0.8);
}
.final-card {
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1), rgba(0,0,0,0));
    border: 1px solid var(--accent);
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
}
.final-card h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 30px;
}
.final-benefits span { margin: 0 10px; color: var(--text-gray); }

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
    background: var(--bg-dark);
}

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

/* Mobile sticky CTA */
.sticky-cta-mobile {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px;
    z-index: 1000;
    border-top: 1px solid rgba(0, 180, 216, 0.3);
    text-align: center;
}

/* Responsiveness */
@media (max-width: 768px) {
    .section { padding: 50px 0; }
    .hero { padding: 80px 0 50px; }
    .hero-title { font-size: 2.2rem; }
    .steps-container { flex-direction: column; }
    .steps-container::before {
        top: 0; bottom: 0; left: 30px; right: auto; width: 2px; height: auto;
    }
    .step-number { margin: 0 0 20px 0; }
    .step { text-align: left; display: flex; align-items: flex-start; gap: 20px; }
    
    .sticky-cta-mobile { display: block; }
    body { padding-bottom: 70px; } /* Spacer for sticky cta */
    
    .nav { display: none; } /* Hide complex nav on mobile for simplicity */
    
    .pricing-card.popular { transform: none; }
    .pricing-card.popular:hover { transform: translateY(-5px); }
    
    .shadowing-cols { flex-direction: column; gap: 30px; }
    
    .calc-row { flex-direction: column; align-items: flex-start; }
    .calc-bar-wrap { width: 100%; margin: 10px 0; }
    .calc-val { text-align: left; }
}