/* Reset & Base Variables */
:root {
    --quantum-bg: #05050a;
    --quantum-surface: #0a0b16;
    --quantum-beam-1: #00ffcc;
    --quantum-beam-2: #0066ff;
    --text-bright: #ffffff;
    --text-dim: #8892b0;
    --border-beam: rgba(0, 255, 204, 0.2);
    --font-quantum: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    background-color: var(--quantum-bg);
    color: var(--text-bright);
    font-family: var(--font-quantum);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Quantum Beam Background */
body::before {
    content: '';
    position: fixed;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: 
        linear-gradient(45deg, transparent 45%, rgba(0, 255, 204, 0.03) 50%, transparent 55%),
        linear-gradient(-45deg, transparent 45%, rgba(0, 102, 255, 0.03) 50%, transparent 55%);
    background-size: 100px 100px;
    z-index: -1;
    animation: beamShift 20s linear infinite;
}

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

a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; border-radius: 8px; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 { font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: 2.5rem; text-align: center; margin-bottom: 3rem; }

.beam-text {
    background: linear-gradient(90deg, var(--quantum-beam-1), var(--quantum-beam-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-beam {
    background: rgba(0, 255, 204, 0.1);
    color: var(--quantum-beam-1);
    border-color: var(--quantum-beam-1);
    box-shadow: 0 0 15px rgba(0, 255, 204, 0.2);
}

.btn-beam:hover {
    background: var(--quantum-beam-1);
    color: #000;
    box-shadow: 0 0 25px rgba(0, 255, 204, 0.5);
}

.btn-dark {
    background: var(--quantum-surface);
    color: var(--text-bright);
    border-color: var(--border-beam);
}

.btn-dark:hover {
    border-color: var(--quantum-beam-2);
    box-shadow: 0 0 15px rgba(0, 102, 255, 0.3);
}

/* Header */
.q-header {
    position: fixed;
    top: 0; width: 100%;
    background: rgba(5, 5, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-beam);
    z-index: 1000;
}

.q-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.q-logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.q-logo::before {
    content: '';
    width: 4px; height: 24px;
    background: var(--quantum-beam-1);
    box-shadow: 0 0 10px var(--quantum-beam-1);
}

.q-menu { display: flex; gap: 30px; }
.q-menu a { color: var(--text-dim); font-weight: 500; }
.q-menu a:hover { color: var(--quantum-beam-1); }

.q-actions { display: flex; align-items: center; gap: 20px; }
.q-lang { color: var(--text-dim); font-size: 0.9rem; cursor: pointer; }

/* Hero */
.q-hero {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
}

.q-hero::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Trust */
.q-trust {
    padding: 30px 0;
    border-top: 1px solid var(--border-beam);
    border-bottom: 1px solid var(--border-beam);
    background: rgba(0, 255, 204, 0.02);
}

.trust-flex {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.trust-item {
    color: var(--text-dim);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.trust-item::before {
    content: '';
    width: 8px; height: 8px;
    background: var(--quantum-beam-2);
    transform: rotate(45deg);
}

/* Stats */
.q-stats { padding: 80px 0; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-box {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 30px 20px;
    text-align: center;
    position: relative;
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 2px;
    background: linear-gradient(90deg, transparent, var(--quantum-beam-1), transparent);
}

.s-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-bright);
    margin-bottom: 5px;
}

.s-lbl { color: var(--quantum-beam-1); font-size: 0.85rem; text-transform: uppercase; }

/* Features */
.q-feat { padding: 80px 0; }
.feat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feat-card {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 40px 30px;
    transition: transform 0.3s;
}

.feat-card:hover {
    transform: translateY(-5px);
    border-color: var(--quantum-beam-1);
    box-shadow: 0 10px 30px rgba(0, 255, 204, 0.1);
}

.feat-card h3 { font-size: 1.4rem; margin-bottom: 15px; }
.feat-card p { color: var(--text-dim); margin-bottom: 25px; }
.feat-img { border: 1px solid var(--border-beam); padding: 5px; }

/* Nodes */
.q-node { padding: 80px 0; background: rgba(0, 102, 255, 0.05); }
.node-grid {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.node-box {
    flex: 1;
    min-width: 150px;
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 25px;
    text-align: center;
    position: relative;
}

.node-box::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 50%; transform: translateX(-50%);
    width: 50%; height: 2px;
    background: var(--quantum-beam-2);
    box-shadow: 0 0 10px var(--quantum-beam-2);
}

.n-city { font-size: 1.2rem; font-weight: 700; margin-bottom: 5px; }
.n-spd { color: var(--text-dim); font-size: 0.85rem; }

/* Testimonials */
.q-testi { padding: 80px 0; }
.testi-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testi-card {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 30px;
}

.t-stars { color: var(--quantum-beam-1); margin-bottom: 15px; letter-spacing: 2px; }
.t-msg { color: var(--text-dim); font-style: italic; margin-bottom: 25px; }
.t-user { display: flex; align-items: center; gap: 15px; }
.t-ava {
    width: 40px; height: 40px;
    background: rgba(0, 255, 204, 0.1);
    border: 1px solid var(--quantum-beam-1);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; color: var(--quantum-beam-1);
}

/* Pricing */
.q-price { padding: 80px 0; }
.price-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: center;
}

.price-card {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 40px 30px;
    text-align: center;
}

.price-card.pro {
    border-color: var(--quantum-beam-1);
    box-shadow: 0 0 30px rgba(0, 255, 204, 0.1);
    transform: scale(1.05);
    position: relative;
}

.p-tag {
    position: absolute;
    top: -12px; left: 50%; transform: translateX(-50%);
    background: var(--quantum-beam-1);
    color: #000;
    padding: 4px 15px;
    font-size: 0.8rem;
    font-weight: 700;
}

.p-title { font-size: 1.3rem; margin-bottom: 15px; color: var(--text-dim); }
.p-price { font-size: 3rem; font-weight: 800; margin-bottom: 25px; }
.p-price span { font-size: 1rem; color: var(--text-dim); font-weight: 400; }
.p-list { text-align: left; margin-bottom: 30px; }
.p-list li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    color: var(--text-dim);
}
.p-list li::before { content: '>'; color: var(--quantum-beam-2); margin-right: 10px; font-weight: 900; }

/* FAQ */
.q-faq { padding: 80px 0; background: rgba(0, 102, 255, 0.05); }
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    margin-bottom: 15px;
    padding: 20px 25px;
}
.faq-q { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-bright); }
.faq-a { color: var(--text-dim); }

/* Footer */
.q-footer {
    padding: 60px 0 20px;
    border-top: 1px solid var(--border-beam);
    background: #020204;
}
.f-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}
.f-brand .q-logo { margin-bottom: 15px; }
.f-brand p { color: var(--text-dim); font-size: 0.9rem; }
.f-links h4 { margin-bottom: 20px; font-size: 1rem; }
.f-links li { margin-bottom: 10px; }
.f-links a { color: var(--text-dim); font-size: 0.9rem; }
.f-links a:hover { color: var(--quantum-beam-1); }
.f-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-dim);
    font-size: 0.85rem;
}

/* Download Page */
.dl-hero { padding: 160px 0 60px; text-align: center; }
.dl-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 800px;
    margin: 0 auto 100px;
}
.dl-card {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 40px;
    text-align: center;
    transition: all 0.3s;
}
.dl-card:hover { border-color: var(--quantum-beam-1); transform: translateY(-5px); }
.dl-icon { font-size: 3rem; margin-bottom: 20px; }
.dl-card h3 { margin-bottom: 10px; }
.dl-card p { color: var(--text-dim); margin-bottom: 25px; }

/* Help Page */
.help-hero { padding: 160px 0 60px; text-align: center; }
.help-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 40px;
    margin-bottom: 100px;
}
.help-side {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 20px;
    height: fit-content;
}
.help-side li { margin-bottom: 8px; }
.help-side a {
    display: block;
    padding: 10px 15px;
    color: var(--text-dim);
    font-weight: 500;
    border-left: 2px solid transparent;
}
.help-side a:hover, .help-side a.active {
    background: rgba(0, 255, 204, 0.05);
    color: var(--quantum-beam-1);
    border-left-color: var(--quantum-beam-1);
}
.help-main section {
    background: var(--quantum-surface);
    border: 1px solid var(--border-beam);
    padding: 40px;
    margin-bottom: 30px;
}
.help-main h3 { color: var(--quantum-beam-1); margin-bottom: 20px; font-size: 1.4rem; }
.help-main p { color: var(--text-dim); margin-bottom: 15px; }
.help-main ul, .help-main ol { margin-left: 20px; color: var(--text-dim); }
.help-main li { margin-bottom: 8px; }

/* Responsive */
@media (max-width: 992px) {
    .stats-grid, .feat-grid, .testi-grid, .price-grid { grid-template-columns: repeat(2, 1fr); }
    .f-grid { grid-template-columns: 1fr 1fr; }
    .price-card.pro { transform: none; }
}
@media (max-width: 768px) {
    .q-menu { display: none; }
    .hero-title { font-size: 3rem; }
    .stats-grid, .feat-grid, .testi-grid, .price-grid, .dl-grid, .help-grid { grid-template-columns: 1fr; }
}