:root {
    --bg-color: #0d0d12;
    --text-color: #ffffff;
    --card-bg: #1a1a22;
    --primary-color: #ff0055;
    --secondary-color: #00dbff;
    --accent-color: #7b2fff;
    --nav-bg: #07070b;
    --overlay: rgba(0, 0, 0, 0.88);
    --text-muted: #9090a8;
    --border-color: #2a2a38;
    --card-hover-shadow: 0 20px 50px rgba(0,0,0,0.5);
    --glow-primary: 0 0 20px rgba(255, 0, 85, 0.3);
    --glow-secondary: 0 0 20px rgba(0, 219, 255, 0.3);
}

.light-theme {
    --bg-color: #f0f2f5;
    --text-color: #121214;
    --card-bg: #ffffff;
    --nav-bg: #e1e4e8;
    --overlay: rgba(0, 0, 0, 0.6);
    --text-muted: #4e4e5a;
    --border-color: #ccc;
    --card-hover-shadow: 0 20px 50px rgba(0,0,0,0.15);
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif; transition: background 0.2s, color 0.2s;
}

body { background-color: var(--bg-color); color: var(--text-color); line-height: 1.6; }

/* ===== NAV ===== */
header {
    background-color: var(--nav-bg);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.4);
    border-bottom: 1px solid var(--border-color);
}
.navbar { display: flex; justify-content: space-between; align-items: center; max-width: 1400px; margin: 0 auto; }
.logo { font-size: 1.9rem; font-weight: 900; color: var(--primary-color); text-transform: uppercase; letter-spacing: 3px; text-decoration: none; display: flex; align-items: center; gap: 10px; }
.logo span { color: var(--secondary-color); }
.logo i { font-size: 1.6rem; }

.nav-links { display: flex; list-style: none; gap: 1.8rem; align-items: center; }
.nav-links a { color: var(--text-color); text-decoration: none; font-weight: 600; display: flex; align-items: center; gap: 6px; font-size: 0.95rem; letter-spacing: 0.5px; }
.nav-links a:hover { color: var(--primary-color); }

.theme-btn { background: transparent; color: var(--text-color); border: 1px solid var(--border-color); padding: 0.5rem 1rem; border-radius: 20px; cursor: pointer; font-size: 0.9rem; }
.theme-btn:hover { border-color: var(--secondary-color); color: var(--secondary-color); }
.auth-btn { background: linear-gradient(135deg, var(--primary-color), #cc0044); color: white; border: none; padding: 0.6rem 1.4rem; border-radius: 20px; cursor: pointer; font-weight: 700; display: flex; align-items: center; gap: 6px; font-size: 0.95rem; box-shadow: var(--glow-primary); }
.auth-btn:hover { transform: scale(1.03); }
.user-logged { display: none; align-items: center; gap: 10px; font-weight: bold; color: var(--secondary-color); }
.logout-btn { background: none; border: none; color: var(--primary-color); cursor: pointer; font-size: 1.1rem; }

/* ===== HERO ===== */
.hero {
    background: linear-gradient(160deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.92) 100%),
                url('https://images.unsplash.com/photo-1542751371-adc38448a05e?w=1920&q=80') no-repeat center center / cover;
    min-height: 88vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 60%, rgba(255,0,85,0.08) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 20%, rgba(0,219,255,0.07) 0%, transparent 60%);
    pointer-events: none;
}
.hero-eyebrow {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    margin-bottom: 1.8rem;
    display: inline-block;
}
.hero h1 {
    font-size: 5rem;
    font-weight: 900;
    margin-bottom: 1.4rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
    line-height: 1.1;
    max-width: 900px;
    letter-spacing: -1px;
}
.hero h1 .highlight { color: var(--primary-color); }
.hero p { font-size: 1.3rem; margin-bottom: 2.5rem; max-width: 680px; color: rgba(255,255,255,0.85); line-height: 1.7; }
.hero-actions { display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; justify-content: center; }
.btn-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 1rem 2.4rem;
    text-decoration: none;
    font-weight: 800;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    box-shadow: 0 8px 30px rgba(255, 0, 85, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 14px 40px rgba(255, 0, 85, 0.5); }
.btn-secondary {
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    padding: 1rem 2.2rem;
    text-decoration: none;
    font-weight: 700;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover { background: var(--secondary-color); color: var(--nav-bg); }

/* ===== CONTAINER ===== */
.container { max-width: 1400px; margin: 5rem auto; padding: 0 2.5rem; }

/* ===== SECTION HEADER ===== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.2rem;
    border-bottom: 2px solid var(--border-color);
    position: relative;
}
.section-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}
h2 { font-size: 2.2rem; margin: 0; display: flex; align-items: center; gap: 12px; font-weight: 800; }
h2 i { color: var(--primary-color); }
.see-all-link { color: var(--secondary-color); text-decoration: none; font-weight: 700; font-size: 0.95rem; display: flex; align-items: center; gap: 8px; border: 1px solid var(--border-color); padding: 0.5rem 1.1rem; border-radius: 20px; transition: border-color 0.2s; }
.see-all-link:hover { border-color: var(--secondary-color); }

/* ===== NEWS GRID ===== */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border-color);
}
.card:hover { transform: translateY(-8px); box-shadow: var(--card-hover-shadow); }
.card-img-wrap { overflow: hidden; position: relative; }
.card img { width: 100%; height: 280px; object-fit: cover; transition: transform 0.4s; display: block; }
.card:hover img { transform: scale(1.06); }
.card-content { padding: 1.8rem; display: flex; flex-direction: column; flex-grow: 1; }
.card-meta { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.9rem; flex-wrap: wrap; }
.category-badge {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 0.25rem 0.8rem;
    border-radius: 20px;
    background: rgba(255,0,85,0.15);
    color: var(--primary-color);
    border: 1px solid rgba(255,0,85,0.3);
}
.category-badge.hardware { background: rgba(0,219,255,0.12); color: var(--secondary-color); border-color: rgba(0,219,255,0.3); }
.category-badge.esports { background: rgba(123,47,255,0.15); color: #a975ff; border-color: rgba(123,47,255,0.3); }
.category-badge.gear { background: rgba(255,160,0,0.12); color: #ffa000; border-color: rgba(255,160,0,0.3); }
.category-badge.corrida { background: rgba(0,200,83,0.12); color: #00e676; border-color: rgba(0,200,83,0.3); }
.category-badge.acao { background: rgba(255,213,0,0.12); color: #ffd500; border-color: rgba(255,213,0,0.3); }
.category-badge.mundo-aberto { background: rgba(255,82,82,0.12); color: #ff5252; border-color: rgba(255,82,82,0.3); }
.read-time { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.card-content h3 { margin-bottom: 0.9rem; color: var(--text-color); font-size: 1.25rem; line-height: 1.4; font-weight: 700; }
.card-content p { font-size: 0.97rem; color: var(--text-muted); margin-bottom: 1.5rem; flex-grow: 1; line-height: 1.7; }
.card-btn { color: var(--secondary-color); text-decoration: none; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; cursor: pointer; font-size: 0.92rem; padding: 0.5rem 0; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
.card-btn:hover { border-color: var(--secondary-color); }

/* Featured card - spans 2 columns */
.card.featured {
    grid-column: span 2;
    flex-direction: row;
}
.card.featured .card-img-wrap { width: 52%; flex-shrink: 0; }
.card.featured img { height: 100%; min-height: 320px; }
.card.featured .card-content { padding: 2.2rem 2.4rem; justify-content: center; }
.card.featured .card-content h3 { font-size: 1.65rem; margin-bottom: 1rem; }
.card.featured .card-content p { font-size: 1.05rem; margin-bottom: 1.8rem; }
.card.featured .category-badge { font-size: 0.78rem; }
.featured-label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
}

/* ===== MODAL ===== */
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--overlay); z-index: 2000; justify-content: center; align-items: center; padding: 1.5rem; }
.modal-content { background-color: var(--card-bg); color: var(--text-color); padding: 2.8rem; border-radius: 20px; max-width: 860px; width: 100%; max-height: 92vh; overflow-y: auto; position: relative; border: 1px solid var(--border-color); }
.close-modal { position: absolute; top: 1.5rem; right: 1.5rem; font-size: 1.6rem; cursor: pointer; opacity: 0.4; background: rgba(255,255,255,0.05); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%; }
.close-modal:hover { opacity: 1; color: var(--primary-color); background: rgba(255,0,85,0.1); }
.modal-img { width: 100%; height: 380px; object-fit: cover; border-radius: 12px; margin-bottom: 1.8rem; }
#modalTitulo { font-size: 2rem; font-weight: 800; line-height: 1.3; margin-bottom: 0.5rem; }
.modal-body { margin-top: 1.5rem; font-size: 1.12rem; line-height: 1.85; color: var(--text-color); }
.modal-body p { margin-bottom: 1.3rem; }

/* ===== COMMENTS ===== */
.comments-section { margin-top: 3rem; border-top: 2px solid var(--border-color); padding-top: 2rem; }
.comments-section h4 { font-size: 1.4rem; margin-bottom: 1.5rem; display: flex; align-items: center; gap: 10px; }
.comment-form textarea { width: 100%; padding: 1rem; background-color: rgba(0,0,0,0.15); border: 1px solid var(--border-color); color: var(--text-color); border-radius: 10px; font-size: 1rem; margin-bottom: 1rem; resize: vertical; }
.comment-form textarea:focus { outline: none; border-color: var(--secondary-color); }
.comment-box-info { background-color: rgba(255, 0, 85, 0.08); padding: 1rem 1.2rem; border-radius: 10px; margin-bottom: 1rem; font-size: 0.95rem; border-left: 4px solid var(--primary-color); }
.comment-box-info a { color: var(--secondary-color); font-weight: bold; text-decoration: none; }
.comment-list { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.2rem; }
.comment-item { background-color: rgba(0,0,0,0.12); padding: 1.2rem 1.4rem; border-radius: 10px; border-left: 3px solid var(--secondary-color); }
.comment-header { display: flex; justify-content: space-between; font-size: 0.88rem; margin-bottom: 0.6rem; }
.comment-user { font-weight: bold; color: var(--secondary-color); }
.comment-date { color: var(--text-muted); }

/* ===== CONTACT ===== */
.contact-form { background-color: var(--card-bg); padding: 3rem; border-radius: 16px; max-width: 700px; margin: 0 auto; box-shadow: 0 8px 30px rgba(0,0,0,0.2); border: 1px solid var(--border-color); }
.form-group { margin-bottom: 1.4rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 600; font-size: 0.95rem; }
.form-group input, .form-group textarea { width: 100%; padding: 0.9rem 1rem; border-radius: 8px; border: 1px solid var(--border-color); background-color: rgba(0,0,0,0.08); color: var(--text-color); font-size: 1rem; transition: border-color 0.2s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--secondary-color); }
.submit-btn { background: linear-gradient(135deg, var(--primary-color), #cc0044); color: white; border: none; padding: 1rem 1.5rem; font-size: 1rem; font-weight: 700; border-radius: 8px; cursor: pointer; width: 100%; display: flex; justify-content: center; align-items: center; gap: 10px; transition: opacity 0.2s, transform 0.2s; }
.submit-btn:hover { opacity: 0.9; transform: translateY(-2px); }

/* ===== AUTH ===== */
.auth-tabs { display: flex; gap: 1rem; margin-bottom: 1.8rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; }
.auth-tab { background: none; border: none; color: var(--text-muted); font-size: 1.15rem; font-weight: bold; cursor: pointer; padding: 0.5rem 1rem; }
.auth-tab.active { color: var(--primary-color); border-bottom: 3px solid var(--primary-color); }
.auth-form-container { display: none; }
.auth-form-container.active { display: block; }

/* ===== FOOTER ===== */
footer {
    background-color: var(--nav-bg);
    padding: 3.5rem 2.5rem 2rem;
    margin-top: 6rem;
    border-top: 1px solid var(--border-color);
}
.footer-inner { max-width: 1400px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
.footer-brand .logo { display: inline-flex; margin-bottom: 1rem; font-size: 1.6rem; }
.footer-brand p { color: var(--text-muted); font-size: 0.95rem; max-width: 280px; line-height: 1.7; }
.footer-col h5 { font-size: 0.82rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 1.2rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--primary-color); }
.footer-bottom { max-width: 1400px; margin: 2.5rem auto 0; padding-top: 1.5rem; border-top: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; font-size: 0.88rem; color: var(--text-muted); }
.social-links { display: flex; gap: 1rem; }
.social-links a { color: var(--text-muted); font-size: 1.1rem; transition: color 0.2s; }
.social-links a:hover { color: var(--secondary-color); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
    .card.featured { grid-column: span 2; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero h1 { font-size: 2.8rem; }
    .hero p { font-size: 1.1rem; }
    .hero-actions { flex-direction: column; }
    .grid { grid-template-columns: 1fr; }
    .card.featured { flex-direction: column; }
    .card.featured .card-img-wrap { width: 100%; }
    .card.featured img { min-height: 220px; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
    .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}