:root {
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-input: #21262d;
    --accent-blue: #2f81f7;
    --accent-blue-glow: rgba(47, 129, 247, 0.4);
    --accent-green: #238636;
    --text-main: #c9d1d9;
    --text-muted: #8b949e;
    --border-color: #30363d;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 10px var(--accent-blue-glow); }
    50% { box-shadow: 0 0 20px var(--accent-blue-glow); }
    100% { box-shadow: 0 0 10px var(--accent-blue-glow); }
}

nav {
    background-color: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i { color: var(--accent-blue); }

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active-link {
    color: var(--accent-blue);
}

main {
    padding: 4rem 5%;
    animation: fadeIn 0.6s ease-out forwards;
}

h1, h2, h3 { color: #fff; margin-bottom: 1rem; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-size: 0.9rem; }

.form-control {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 8px;
    outline: none;
    transition: border 0.3s;
}

.form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--accent-blue-glow);
}

.btn {
    background-color: var(--accent-blue);
    color: #fff;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    width: 100%;
    transition: background 0.3s;
    animation: pulseGlow 3s infinite;
}

.btn:hover { background-color: #1a65d6; }

.btn-whatsapp {
    background-color: var(--accent-green);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 1rem;
    animation: none;
}

.btn-whatsapp:hover { background-color: #1d6e2c; }

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 1.5rem;
    background-color: var(--bg-input);
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.info-card i {
    color: var(--accent-blue);
    font-size: 1.2rem;
    margin-top: 3px;
}

.check-list { list-style: none; }
.check-list li { margin-bottom: 0.5rem; display: flex; align-items: center; gap: 10px;}
.check-list li i { color: var(--accent-blue); }

.text-page { max-width: 800px; margin: 0 auto; }
.text-page h2 { margin-top: 2rem; color: var(--accent-blue); }
.text-page p, .text-page li { color: var(--text-muted); margin-bottom: 1rem; }

.hero { text-align: center; padding: 6rem 0; }
.hero h1 { font-size: 3.5rem; margin-bottom: 1.5rem; background: -webkit-linear-gradient(#fff, var(--accent-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.2rem; color: var(--text-muted); max-width: 600px; margin: 0 auto 2rem; }