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

body {
    font-family: 'Segoe UI', sans-serif;
    background: #f4f6f8;
    color: #1c1c1c;
    scroll-behavior: smooth;
}

.logo {
    height: 40px;
}

/* HEADER */
header {
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(10, 61, 98, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    z-index: 1000;
}

header h1 {
    color: white;
}

nav a {
    color: white;
    margin-left: 25px;
    text-decoration: none;
    position: relative;
}

nav a::after {
    content: "";
    width: 0;
    height: 2px;
    background: #2ecc71;
    position: absolute;
    left: 0;
    bottom: -5px;
    transition: 0.3s;
}

nav a:hover::after {
    width: 100%;
}

/* HERO */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #0A3D62, #145A32);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    padding: 20px;
}

.hero h2 {
    font-size: 45px;
    animation: fadeUp 1s ease forwards;
}

.hero p {
    margin-top: 15px;
    opacity: 0;
    animation: fadeUp 1.5s ease forwards;
}

.btn {
    margin-top: 25px;
    padding: 14px 30px;
    background: #2ecc71;
    color: white;
    border-radius: 8px;
    text-decoration: none;
    display: inline-block;
    transition: 0.3s;
}

.btn:hover {
    transform: scale(1.05);
}

/* SECTIONS */
.container {
    padding: 100px 40px;
}

.grid {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

/* CARDS */
.card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    width: 280px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    opacity: 0;
    transform: translateY(40px);
    transition: 0.6s;
}

.card.show {
    opacity: 1;
    transform: translateY(0);
}

.card:hover {
    transform: translateY(-10px) scale(1.03);
}

/* PLANOS */
.plano-destaque {
    border: 2px solid #2ecc71;
}

/* WHATSAPP */
.whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #25D366;
    padding: 15px;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    animation: pulse 2s infinite;
}

/* FOOTER */
footer {
    background: #0A3D62;
    color: white;
    text-align: center;
    padding: 25px;
}

/* ANIMAÇÕES */
@keyframes fadeUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* RESPONSIVO */
@media (max-width: 768px) {
    nav {
        display: none;
    }

    .hero h2 {
        font-size: 30px;
    }
}