/* --- DESIGN SYSTEM & VARIABLES --- */
:root {
    --primary: #c40202;
    --secondary: #1a1a1a;
    --text: #ffffff;
    --bg: #0d0d0d;
    --radius: 8px;
    --gap: 20px;
    --font-base: 16px;
    --transition: all 0.3s ease-in-out;
}

/* --- MODO ALTO CONTRASTE --- */
body.high-contrast {
    --primary: #ffff00;
    --secondary: #000000;
    --text: #ffffff;
    --bg: #000000;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    font-size: var(--font-base);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }

/* --- HEADER --- */
.main-header {
    background: var(--secondary);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid var(--primary);
}

.main-header nav { display: flex; justify-content: space-between; align-items: center; }

.logo { font-size: 1.5rem; font-weight: bold; text-transform: uppercase; }
.logo span { color: var(--primary); }

/* --- GRID LAYOUT (Edite aqui o layout dos cards) --- */
.grid-layout {
    display: grid;
    gap: var(--gap);
    /* Mobile-first: 1 coluna */
    grid-template-columns: repeat(1, 1fr);
    margin-top: 30px;
}

@media (min-width: 768px) {
    .grid-layout { grid-template-columns: repeat(3, 1fr); }
}

/* --- CARDS & ACCORDION --- */
.card {
    background: #222;
    padding: 20px;
    border-radius: var(--radius);
    border-left: 5px solid var(--primary);
    transition: var(--transition);
}

.card:hover { transform: translateY(-5px); }

.accordion-item {
    background: #1a1a1a;
    margin-bottom: 10px;
    border-radius: var(--radius);
    overflow: hidden;
}

.accordion-header {
    background: var(--primary);
    color: white;
    padding: 15px;
    width: 100%;
    text-align: left;
    border: none;
    cursor: pointer;
    font-weight: bold;
}

.accordion-content {
    padding: 0;
    max-height: 0;
    transition: max-height 0.3s ease-out;
}

.accordion-content.active {
    padding: 15px;
    max-height: 200px;
}

/* --- ANIMATIONS (Scroll Reveal) --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}