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

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #fff;
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,132,255,0.15) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.badge {
    display: inline-block;
    background: rgba(0,132,255,0.2);
    border: 1px solid rgba(0,132,255,0.3);
    color: #0084ff;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.hero h1 span {
    color: #0084ff;
}

.subtitle {
    font-size: 20px;
    color: #888;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #25d366;
    color: #fff;
    padding: 16px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(37,211,102,0.3);
}

/* Features */
.features {
    padding: 100px 0;
    background: #0f0f0f;
}

.features h2, .how-it-works h2, .contact h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.card {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: #0084ff;
    transform: translateY(-4px);
    box-shadow: 0 10px 40px rgba(0,132,255,0.1);
}

.icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
}

.card p {
    font-size: 14px;
    color: #888;
}

/* How it works */
.how-it-works {
    padding: 100px 0;
    background: #0a0a0a;
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0084ff, #0066cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: #fff;
}

.step p {
    font-size: 14px;
    color: #888;
}

/* Contact */
.contact {
    padding: 80px 0;
    background: #0f0f0f;
}

.contact-grid {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    padding: 16px 28px;
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: #0084ff;
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 24px;
}

/* Footer */
footer {
    padding: 32px 0;
    text-align: center;
    background: #0a0a0a;
    border-top: 1px solid #1a1a1a;
}

footer p {
    color: #666;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 42px;
    }

    .subtitle {
        font-size: 16px;
    }

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

    .steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .grid, .steps {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 36px;
    }
}
