:root {
    --primary-color: #ff003e; /* Energetic Red */
    --accent-color: #00f2fe;  /* Neon Cyan */
    --bg-dark: #0a0a0a;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-dim: #b3b3b3;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Image Overlay */
.bg-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: url('../assets/bg.png') no-repeat center center/cover;
}

.bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.9) 0%, rgba(10, 10, 10, 0.5) 100%);
}

/* Navigation */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-container img {
    height: 40px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, #fff, var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Main Content */
main {
    padding: 4rem 5%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.hero {
    max-width: 800px;
    margin-bottom: 4rem;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero span {
    color: var(--primary-color);
}

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

/* Cards Overlay */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: left;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
    opacity: 1;
}

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

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

/* Login Button */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(255, 0, 62, 0.3);
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(255, 0, 62, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--glass-border);
    box-shadow: none;
    margin-left: 1rem;
}

.btn-secondary:hover {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

/* Footer */
footer {
    padding: 4rem 5%;
    text-align: center;
    color: var(--text-dim);
    border-top: 1px solid var(--glass-border);
    margin-top: 4rem;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    .grid {
        grid-template-columns: 1fr;
    }
}