:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --text-secondary: #8E8E93;
    --accent: #0A84FF;
    --accent-hover: #0070E0;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-stack);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(10, 132, 255, 0.08) 0%, rgba(0, 0, 0, 0) 50%);
    z-index: -1;
    pointer-events: none;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 15px 5%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
    margin-left: -32px;
}

.logo-img {
    height: 40px;
    width: 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.6), 0 0 25px rgba(10, 132, 255, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-sizing: border-box;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

.badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s forwards;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    max-width: 900px;
    background: linear-gradient(180deg, #FFFFFF 0%, #A1A1AA 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.1s forwards;
}

.subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.2s forwards;
}

.cta-group {
    display: flex;
    gap: 16px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s 0.3s forwards;
}

.btn {
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(10, 132, 255, 0.3);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Features Grid */
.features {
    padding: 100px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform 0.3s ease, border-color 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.card.visible {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Support Form */
.support-section {
    padding: 150px 5% 100px;
    max-width: 800px;
    margin: 0 auto;
    min-height: 100vh;
}

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 50px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    text-align: center;
}

.contact-card h2 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.contact-method {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    padding: 20px 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
}

.contact-method h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.contact-method a {
    font-size: 1.2rem;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
    word-wrap: break-word;
    word-break: break-all;
}

.contact-method a:hover {
    color: var(--accent);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
        padding: 20px 5%;
    }

    nav.scrolled {
        padding: 15px 5%;
    }

    .logo {
        margin-left: 0;
    }

    .nav-links {
        display: flex;
        gap: 20px;
        font-size: 0.9rem;
    }

    .cta-group {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }

    .btn {
        width: 100%;
    }

    .contact-card {
        padding: 30px 20px;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}