:root {
    --bg-dark-start: #151B28;
    --bg-dark-end: #0B1019;
    --bg-panel: #0E131E;
    --neon-blue: #6FE3FF;
    --neon-purple: #B58CFF;
    --neon-pink: #FF0055;
    --text-main: #E7F2FF;
    --text-muted: #9EB0C9;
    --border-color: #2A364E;
    --font-cyber: 'Orbitron', 'Segoe UI', sans-serif;
    --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
}

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

body {
    background: linear-gradient(135deg, var(--bg-dark-start), var(--bg-dark-end));
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
}

.circuit-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='400' height='400' viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cstyle%3E.trace%7Bfill:none;stroke:rgba(111,227,255,0.08);stroke-width:2;stroke-linecap:round;stroke-linejoin:round%7D.trace-thin%7Bfill:none;stroke:rgba(111,227,255,0.05);stroke-width:1;stroke-linecap:round;stroke-linejoin:round%7D.pad%7Bfill:rgba(111,227,255,0.15)%7D.ic%7Bfill:rgba(111,227,255,0.02);stroke:rgba(111,227,255,0.1);stroke-width:1%7D%3C/style%3E%3Crect x='50' y='50' width='60' height='60' class='ic'/%3E%3Ccircle cx='60' cy='60' r='2' class='pad'/%3E%3Cpath d='M50 60H30L20 50V20' class='trace'/%3E%3Ccircle cx='20' cy='20' r='3' class='pad'/%3E%3Cpath d='M50 70H35L25 80V100M50 80H40L30 90V120M50 90H45v50M110 60h20l20-20V20' class='trace'/%3E%3Ccircle cx='150' cy='20' r='3' class='pad'/%3E%3Cpath d='M110 70h15l20-20V30M110 80h10l20-20V50M200 380V300l50-50h50M210 380v-75l45-45h45M220 380v-70l40-40h40' class='trace'/%3E%3Crect x='250' y='100' width='100' height='40' class='ic'/%3E%3Cpath d='M260 100V80l-20-20h-40M270 100V85l-15-15h-55M280 100V90l10-10V50M300 140v20l-20 20h-80M310 140v15l-15 15h-95' class='trace-thin'/%3E%3Ccircle cx='50' cy='250' r='4' class='pad'/%3E%3Cpath d='M50 250l30 30h70l30 30v40' class='trace'/%3E%3Ccircle cx='180' cy='350' r='4' class='pad'/%3E%3Ccircle cx='350' cy='50' r='2' class='pad'/%3E%3Cpath d='M350 50l30 30v120' class='trace-thin'/%3E%3Cpath d='M20 200h20M20 205h20M20 210h20' stroke='rgba(111,227,255,0.1)' stroke-width='1'/%3E%3Ccircle cx='300' cy='300' r='20' fill='none' stroke='rgba(111,227,255,0.05)' stroke-width='2'/%3E%3Cpath d='M300 280v10M300 320v-10M280 300h10M320 300h-10' stroke='rgba(111,227,255,0.1)' stroke-width='2'/%3E%3C/svg%3E");
    background-size: 400px 400px;
    opacity: 1;
}

.background-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    pointer-events: none;
}

.orb-purple {
    width: 600px;
    height: 600px;
    background: var(--neon-purple);
    top: -200px;
    right: -100px;
}

.orb-blue {
    width: 700px;
    height: 700px;
    background: var(--neon-blue);
    bottom: -200px;
    left: -150px;
}

/* Typography & Glitch */
h1, h2, h3, .brand {
    font-family: var(--font-cyber);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.glitch {
    position: relative;
    color: var(--text-main);
}

.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -1px 0 var(--neon-pink);
    clip: rect(24px, 550px, 90px, 0);
    animation: glitch-anim-2 3s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -1px 0 var(--neon-blue);
    clip: rect(85px, 550px, 140px, 0);
    animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(10px, 9999px, 30px, 0); }
    20% { clip: rect(80px, 9999px, 100px, 0); }
    40% { clip: rect(10px, 9999px, 60px, 0); }
    60% { clip: rect(50px, 9999px, 80px, 0); }
    80% { clip: rect(20px, 9999px, 40px, 0); }
    100% { clip: rect(70px, 9999px, 90px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(60px, 9999px, 90px, 0); }
    20% { clip: rect(10px, 9999px, 50px, 0); }
    40% { clip: rect(30px, 9999px, 20px, 0); }
    60% { clip: rect(70px, 9999px, 40px, 0); }
    80% { clip: rect(50px, 9999px, 80px, 0); }
    100% { clip: rect(10px, 9999px, 30px, 0); }
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid var(--neon-blue);
    background: rgba(14, 19, 30, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    font-size: 1.5rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.lang-switch {
    position: relative;
    display: inline-block;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--neon-purple);
    color: var(--neon-purple);
    padding: 8px 16px;
    font-family: var(--font-cyber);
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.lang-btn:hover {
    background: var(--neon-purple);
    color: #fff;
    box-shadow: 0 0 15px var(--neon-purple);
}

.lang-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background: var(--bg-panel);
    border: 1px solid var(--neon-purple);
    min-width: 120px;
    z-index: 1;
}

.lang-menu button {
    display: block;
    width: 100%;
    padding: 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    text-align: left;
    cursor: pointer;
    font-family: var(--font-body);
}

.lang-menu button:hover {
    color: var(--text-main);
    background: rgba(188, 19, 254, 0.2);
}

.lang-switch:hover .lang-menu {
    display: block;
}

/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

.cta-btn {
    display: inline-block;
    padding: 15px 40px;
    background: transparent;
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue);
    font-family: var(--font-cyber);
    font-size: 1.2rem;
    text-decoration: none;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.4), transparent);
    transition: 0.5s;
}

.cta-btn:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 30px var(--neon-blue);
}

.cta-btn:hover::before {
    left: 100%;
}

/* Interface Preview */
.interface-preview {
    padding: 40px 20px;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.monitor-frame {
    position: relative;
    border: 2px solid var(--neon-purple);
    border-radius: 10px;
    padding: 10px;
    background: rgba(14, 19, 30, 0.8);
    box-shadow: 0 0 20px rgba(188, 19, 254, 0.2), 
                inset 0 0 20px rgba(188, 19, 254, 0.1);
    transform: perspective(1000px) rotateX(5deg);
    transition: transform 0.5s ease;
}

.monitor-frame:hover {
    transform: perspective(1000px) rotateX(0deg) scale(1.02);
    box-shadow: 0 0 40px rgba(0, 243, 255, 0.3), 
                inset 0 0 30px rgba(0, 243, 255, 0.2);
    border-color: var(--neon-blue);
}

.ui-screenshot {
    width: 100%;
    height: auto;
    border-radius: 5px;
    display: block;
    mix-blend-mode: luminosity;
    transition: mix-blend-mode 0.5s;
}

.monitor-frame:hover .ui-screenshot {
    mix-blend-mode: normal;
}

.screen-glare {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 40%);
    pointer-events: none;
    z-index: 2;
}

/* Features */
.features {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--neon-pink);
    text-shadow: 0 0 10px var(--neon-pink);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 30px;
    transition: 0.3s;
    position: relative;
}

.card:hover {
    border-color: var(--neon-purple);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(188, 19, 254, 0.3);
}

.card h3 {
    color: var(--neon-blue);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.card p {
    color: var(--text-muted);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--neon-purple);
}

/* Footer */
footer {
    border-top: 1px solid var(--text-muted);
    padding: 40px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    background: #000;
}

/* Privacy Page & Button */
.privacy-float-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(14, 19, 30, 0.9);
    border: 1px solid var(--neon-blue);
    color: var(--neon-blue);
    padding: 10px 20px;
    text-decoration: none;
    font-family: var(--font-cyber);
    font-size: 0.9rem;
    text-transform: uppercase;
    z-index: 999;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
}

.privacy-float-btn:hover {
    background: var(--neon-blue);
    color: #000;
    box-shadow: 0 0 15px var(--neon-blue);
    transform: translateY(-2px);
}

.privacy-container {
    max-width: 800px;
    margin: 60px auto;
    padding: 40px;
    background: rgba(14, 19, 30, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
    position: relative;
    z-index: 10;
}

.privacy-content h2 {
    color: var(--neon-blue);
    margin-bottom: 10px;
    font-size: 2rem;
    border-bottom: 2px solid var(--neon-purple);
    padding-bottom: 10px;
    display: inline-block;
}

.privacy-content .last-updated {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 40px;
    font-style: italic;
}

.privacy-content h3 {
    color: var(--neon-purple);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.privacy-content p {
    margin-bottom: 15px;
    color: var(--text-main);
}

.privacy-content ul {
    list-style: none;
    padding-left: 20px;
    margin-bottom: 20px;
}

.privacy-content li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 20px;
}

.privacy-content li::before {
    content: '>';
    color: var(--neon-blue);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.privacy-content strong {
    color: var(--neon-pink);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    nav {
        padding: 15px 20px;
    }
}

/* Support Section */
.support {
    padding: 80px 20px;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.support-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.support-text {
    flex: 2;
    max-width: 500px;
    text-align: left;
}

.support-text p {
    color: var(--text-muted);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.qr-code {
    flex: 1;
    min-width: 220px;
    text-align: center;
}

.qr-code img {
    border: 2px solid var(--neon-blue);
    border-radius: 8px;
    padding: 10px;
    background: var(--bg-panel);
    box-shadow: 0 0 20px rgba(111, 227, 255, 0.2);
}

.qr-code p {
    color: var(--text-muted);
    margin-top: 10px;
    font-family: var(--font-cyber);
    text-transform: uppercase;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .support-text {
        text-align: center;
    }
}

/* Payment Page */
.payment-container {
    max-width: 600px;
    margin: 10vh auto;
    padding: 40px;
    background: rgba(14, 19, 30, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
    text-align: center;
    z-index: 10;
    position: relative;
}

.payment-details {
    margin: 30px 0;
    font-size: 1.2rem;
    color: var(--text-muted);
}

.payment-details p {
    margin: 10px 0;
}

.payment-details strong {
    color: var(--text-main);
    font-weight: 700;
}

.payment-form label {
    display: block;
    margin-bottom: 10px;
    font-family: var(--font-cyber);
    color: var(--neon-blue);
}

.payment-form input {
    width: 100%;
    padding: 12px;
    background: var(--bg-dark-start);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    margin-bottom: 30px;
}

.payment-form input:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: 0 0 10px var(--neon-purple);
}

.payment-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.cta-btn.secondary {
    background: transparent;
    border-color: var(--neon-pink);
    color: var(--neon-pink);
}

.cta-btn.secondary:hover {
    background: var(--neon-pink);
    color: #fff;
    box-shadow: 0 0 20px var(--neon-pink);
}