@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --bg-dark: #0a0514;
    --accent-cyan: #00f2ff;
    --accent-purple: #8a2be2;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: #a0a0a0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
.blob {
    position: fixed;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-purple) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    opacity: 0.3;
    animation: move 20s infinite alternate;
}

.blob-2 {
    position: fixed;
    top: 50%;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
    filter: blur(100px);
    z-index: -1;
    opacity: 0.2;
    animation: move 25s infinite alternate-reverse;
}

@keyframes move {
    from { transform: translate(0, 0); }
    to { transform: translate(100px, 100px); }
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 10%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background: rgba(10, 5, 20, 0.8);
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 400;
    transition: 0.3s;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10%;
    position: relative;
}

.hero h1 {
    font-size: 5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1;
}

.hero h1 span {
    color: var(--accent-cyan);
    text-shadow: 0 0 20px rgba(0, 242, 255, 0.5);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-dim);
    max-width: 600px;
    margin-bottom: 2rem;
}

.cta-group {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateX(-100%);
    transition: 0.6s;
    z-index: -1;
}

.btn:hover::before {
    transform: translateX(100%);
}

.btn-primary {
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple), var(--accent-cyan));
    background-size: 200% auto;
    color: white;
    box-shadow: 0 10px 20px rgba(138, 43, 226, 0.4);
    animation: gradientShift 5s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.btn-primary:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 242, 255, 0.6);
}

.btn-secondary {
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    color: white;
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Features */
.features {
    padding: 10rem 10%;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    backdrop-filter: blur(10px);
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -50%; left: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(0,242,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: 0.5s;
    pointer-events: none;
}

.feature-card:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 242, 255, 0.15);
}

.feature-card:hover::after {
    opacity: 1;
}

.feature-card i {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: block;
    color: var(--accent-cyan);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

/* Security Highlight */
.security-section {
    padding: 5rem 10%;
    margin: 5rem 10%;
    background: linear-gradient(135deg, rgba(0, 242, 255, 0.05), rgba(138, 43, 226, 0.05));
    border-radius: 40px;
    border: 1px solid var(--glass-border);
    text-align: center;
}

.security-section h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.badge {
    background: rgba(0, 242, 255, 0.1);
    color: var(--accent-cyan);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 242, 255, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 3rem; }
    .nav-links { display: none; }
}

/* Download Section */
.download-section {
    padding: 100px 10%;
    text-align: center;
}

.download-card {
    max-width: 500px;
    margin: 3rem auto;
    background: linear-gradient(145deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
    padding: 3rem;
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    transition: all 0.5s ease;
    position: relative;
}

.download-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: linear-gradient(45deg, var(--accent-cyan), var(--accent-purple), transparent);
    z-index: -1;
    border-radius: 32px;
    opacity: 0;
    transition: 0.5s;
}

.download-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 242, 255, 0.2);
}

.download-card:hover::before {
    opacity: 1;
    animation: rotateGradient 4s linear infinite;
}

@keyframes rotateGradient {
    0% { filter: hue-rotate(0deg); }
    100% { filter: hue-rotate(360deg); }
}

.download-card i {
    font-size: 4rem;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
}

.download-card .btn {
    display: block;
    box-sizing: border-box;
    text-align: center;
}

.download-card .btn i {
    font-size: 1.2rem;
    color: white;
    margin-bottom: 0;
    margin-right: 0.5rem;
    display: inline-block;
}

.download-card h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.hero-image {
    margin: 4rem auto;
    display: block;
}

/* Auth Form */
.register-section {
    padding: 100px 10%;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.auth-form {
    max-width: 400px;
    margin: 0 auto;
    background: var(--glass-bg);
    padding: 2.5rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    backdrop-filter: blur(20px);
}

.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-group i {
    position: absolute;
    left: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim);
}

.input-group input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    transition: all 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0,0,0,0.5);
    box-shadow: 0 0 15px rgba(0, 242, 255, 0.2);
}

.status-msg {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    min-height: 1.2rem;
    transition: all 0.3s ease;
}

.status-msg.error { color: #ff4d4d; }
.status-msg.success { color: #00ff88; }

.auth-form .btn {
    width: 100%;
    cursor: pointer;
    border: none;
}