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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f8fafc;
    color: #0f172a;
    line-height: 1.5;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #1e3c72, #2b4c8a);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo p {
    font-size: 0.75rem;
    color: #2c6e9e;
}

.nav-links {
    display: flex;
    gap: 1.8rem;
    flex-wrap: wrap;
}

.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: #1e293b;
    transition: 0.2s;
}

.nav-links a:hover, .nav-links a.active {
    color: #2563eb;
}

/* Cards & Buttons */
.card {
    background: white;
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
    margin: 1.5rem 0;
}

.btn {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: 40px;
    text-decoration: none;
    font-weight: 600;
    transition: 0.2s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-wa {
    background: #25D366;
}

.btn-wa:hover {
    background: #128C7E;
}

.btn:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.price-tag {
    font-size: 2rem;
    font-weight: 800;
    color: #1e40af;
}

.one-time {
    display: block;
    font-size: 0.9rem;
    color: #475569;
}

.feature-list {
    list-style: none;
    padding-left: 0;
}

.feature-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.6rem;
    position: relative;
}

.feature-list li:before {
    content: "✓";
    color: #2563eb;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    font-family: inherit;
    transition: 0.2s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37,99,235,0.2);
}

.wa-note {
    background: #e6f7e6;
    border-radius: 20px;
    padding: 0.8rem;
    text-align: center;
    font-size: 0.85rem;
    margin-top: 1rem;
}

h1 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 1.8rem;
    margin: 1.5rem 0 1rem;
}

h3 {
    font-size: 1.3rem;
    margin: 1rem 0;
}

.hero-img {
    width: 100%;
    border-radius: 20px;
    background: #e2e8f0;
}

footer {
    background: #0f172a;
    color: #cbd5e1;
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
}

.footer-links a:hover {
    color: white;
}

@media (max-width: 768px) {
    .nav-bar {
        flex-direction: column;
        gap: 1rem;
    }
    h1 {
        font-size: 1.8rem;
    }
}