:root {
    --primary: #0078D7;
    --secondary: #28a745;
    --accent: #ff4757;
    --dark: #2f3542;
    --light: #ffffff;
    --bg-soft: #f1f2f6;
    --text: #2f3542;
    --text-soft: #57606f;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background-color: #ffffff;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #f0f4f8;
    color: var(--dark);
    padding: 1.2rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.4rem;
    font-weight: 850;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.8px;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

nav ul li a {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: 0.2s;
}

nav ul li a:hover {
    color: var(--primary);
}

.hero {
    text-align: center;
    padding: 100px 10%;
    background: linear-gradient(135deg, #ffffff 0%, #f4f9ff 100%);
    border-bottom: 1px solid #f0f4f8;
}

main {
    max-width: 1200px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.2rem;
    color: var(--dark);
    margin-bottom: 15px;
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-soft);
    max-width: 700px;
    margin: 0 auto 40px;
}

.btn-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.btn {
    padding: 14px 30px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-secondary {
    background: var(--secondary);
    color: white;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.feature-card {
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    text-align: center;
}

.legal-page h1 {
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
}

.detailed-features {
    padding: 60px 8%;
    background: #ffffff;
}

.detailed-features h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
}

.detail-card {
    padding: 30px;
    background: #f8fbff;
    border: 1px solid #eef4fb;
    border-radius: 20px;
    transition: 0.3s;
    text-align: left;
}

.detail-card:hover {
    border-color: var(--primary);
    background: white;
    box-shadow: 0 10px 30px rgba(0,120,215,0.08);
    transform: translateY(-5px);
}

.detail-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-section {
    padding: 60px 8%;
    background: #fcfdfe;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
}

.faq-item {
    background: white;
    padding: 22px;
    border-radius: 15px;
    margin-bottom: 15px;
    border: 1px solid #f0f4f8;
    box-shadow: 0 4px 10px rgba(0,0,0,0.01);
}

.faq-item h5 {
    font-size: 1.1rem;
    color: var(--dark);
    margin-bottom: 8px;
}

footer {
    padding: 60px 8%;
    background: #f8fbff;
    border-top: 1px solid #eef4fb;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--dark);
    font-size: 1.1rem;
    margin-bottom: 25px;
    font-weight: 700;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: var(--text-soft);
    text-decoration: none;
    font-size: 0.95rem;
    transition: 0.2s;
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid #f0f0f0;
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.footer-bottom b {
    color: var(--primary);
}

.btn-download {
    background: var(--accent);
    color: white !important;
    font-size: 1.5rem;
    padding: 20px 60px;
    width: 100%;
    margin-bottom: 20px;
    border-radius: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-download:hover {
    background: #ff6b81;
    transform: scale(1.02);
}

.floating-wa {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 10000;
    transition: 0.3s;
    animation: pulse-wa 2s infinite;
}

.floating-wa:hover {
    transform: scale(1.15);
    background: #128C7E;
}

@keyframes pulse-wa {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

@media (max-width: 600px) {
    .btn-container {
        flex-direction: column;
    }
}