/* Variáveis de Tema */
:root {
    --bg-dark: #0f1115;
    --bg-darker: #0a0b0e;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --accent-red: #e63946;
    --accent-red-hover: #c1121f;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

/* Tipografia e Destaques */
h1, h2, h3 {
    color: #ffffff;
}

span {
    color: var(--accent-red);
}

a {
    text-decoration: none;
    color: var(--text-light);
    transition: color 0.3s ease;
}

/* Componentes Glassmorphism */
.glass-nav, .glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a:hover {
    color: var(--accent-red);
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Botões */
.btn-primary {
    background-color: var(--accent-red);
    color: #ffffff;
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--accent-red-hover);
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    border: 1px solid var(--glass-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--accent-red);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 5%;
    background: radial-gradient(circle at center, var(--bg-dark) 0%, var(--bg-darker) 100%);
    position: relative;
}

/* Efeito sutil de luz de fundo */
.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(230, 57, 70, 0.05) 0%, transparent 70%);
    z-index: 0;
    pointer-events: none;
}

.hero-content {
    max-width: 800px;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Features Section */
.features-section {
    padding: 6rem 5%;
    background-color: var(--bg-darker);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    border-radius: 16px;
    transition: transform 0.3s ease, border-color 0.3s ease;
    box-shadow: var(--glass-shadow);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-red);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(230, 57, 70, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-red);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Footer */
footer {
    padding: 2rem 5%;
    background-color: var(--bg-dark);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    border-radius: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Em um projeto real, aqui entra a lógica do menu mobile */
    }
    .mobile-menu {
        display: block;
    }
    .hero h1 {
        font-size: 2.5rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
}

/* Utilitário para Animação JS */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}