/* landing.css */
:root {
    --bg-color: #000000;
    --bg-gradient: linear-gradient(to right, #0a0a0a, #000000, #0a0a0a);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-color: #e0e0e0;
    --text-secondary: #a0a0a0;
    --gold-main: #FFD700;
    --gold-gradient: linear-gradient(145deg, #f0c14b, #c89c33);
    --gold-shadow: #a17d28;
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color); /* PRETO */
    background-image: var(--bg-gradient);
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- Navbar --- */
.navbar {
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
    background: rgba(15, 12, 41, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { display: flex; align-items: center; text-decoration: none; color: var(--text-color); font-weight: 600; font-size: 1.2rem; }
.logo img { height: 40px; margin-right: 10px; }
.nav-buttons .btn { margin-left: 1rem; }

/* --- Botões --- */
.btn {
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    display: inline-block;
}
.btn-primary {
    background: var(--gold-gradient);
    color: #111;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 6px 20px var(--gold-shadow); }
.btn-secondary {
    background: transparent;
    border: 2px solid var(--gold-main);
    color: var(--gold-main);
}
.btn-secondary:hover { background: var(--gold-main); color: #111; }
.btn-large { padding: 0.8rem 2rem; font-size: 1.1rem; }

/* --- Hero Section --- */
.hero {
    padding: 12rem 0 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.hero h1 { font-size: 3.5rem; line-height: 1.2; color: #fff; margin-bottom: 1rem; }
.hero .subtitle { font-size: 1.2rem; max-width: 700px; margin: 0 auto 2rem; color: var(--text-secondary); }
.hero-bg {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(circle, rgba(48, 43, 99, 0.5) 0%, rgba(15, 12, 41, 0) 70%);
    z-index: -1;
}

/* --- Features Section --- */
.features { padding: 6rem 0; text-align: center; }
.features h2 { font-size: 2.5rem; margin-bottom: 3rem; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}
.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 2rem;
    backdrop-filter: blur(5px);
    transition: transform var(--transition-speed) ease, border-color var(--transition-speed) ease, box-shadow 0.3s ease;
}
.feature-card:hover { transform: translateY(-10px); border-color: var(--gold-main); }
.feature-card .icon { font-size: 3rem; margin-bottom: 1rem; }
.feature-card h3 { color: var(--gold-main); margin-bottom: 0.5rem; font-size: 1.4rem; }
.feature-card p { color: var(--text-secondary); }

/* --- CTA Section --- */
.cta {
    padding: 6rem 0;
    text-align: center;
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}
.cta h2 { font-size: 2.5rem; margin-bottom: 1rem; }
.cta p { max-width: 600px; margin: 0 auto 2rem; color: var(--text-secondary); }

/* --- Footer --- */
.footer { padding: 2rem 0; text-align: center; color: var(--text-secondary); font-size: 0.9rem; }

/* --- Animações --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero .subtitle { font-size: 1rem; }
    .navbar .container { flex-direction: column; }
    .logo { margin-bottom: 1rem; }
}