:root {
    --primary: #1F2937;
    --accent: #ffc000;
    --secondary: #4B5563;
    --dark: #111827;
    --light: #F3F4F6;
    --danger: #EF4444;
    --warning: #F59E0B;
    --success: #10B981;
}

/* Base Styles */
body {
    font-family: 'Poppins', sans-serif;
    background: var(--dark);
    color: var(--light);
    line-height: 1.6;
}

.dark-theme {
    background: linear-gradient(135deg, #111827 0%, #1F2937 100%);
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
}

/* Hero Section */
.hero-section {
    position: relative;
    overflow: hidden;
    background: url('../images/bac.jpg') no-repeat center center;
    background-size: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(17, 24, 39, 0.95) 0%, rgba(31, 41, 55, 0.85) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 2rem 0;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--light) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background: var(--success);
    transform: translateY(-2px);
}

.btn-glow {
    box-shadow: 0 0 20px rgba(74, 222, 128, 0.5);
}

.btn-outline-accent {
    border: 2px solid var(--accent);
    color: var(--accent);
}

.btn-outline-accent:hover {
    background: var(--accent);
    color: var(--dark);
}

/* Rate Cards */
.rate-card {
    background: rgba(31, 41, 55, 0.5);
    border-radius: 1rem;
    padding: 0rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.rate-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.rate-card.premium {
    background: linear-gradient(135deg, rgba(74, 222, 128, 0.1) 0%, rgba(31, 41, 55, 0.5) 100%);
    border: 1px solid var(--accent);
}

.rate-icon {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 0rem;
}

.rate-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin: 1rem 0;
}

/* Feature Cards */
.feature-card {
    background: rgba(31, 41, 55, 0.5);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

/* Step Cards */
.step-card {
    background: rgba(31, 41, 55, 0.5);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    transition: all 0.3s ease;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--dark);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Footer */
.footer {
    background: rgba(17, 24, 39, 0.95);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a {
    color: var(--light);
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

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

/* Animations */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .rate-card,
    .feature-card,
    .step-card {
        margin-bottom: 2rem;
    }
}