/* ─── VARIÁVEIS GLOBAIS ─── */
:root {
    --destaque: #00c8ff;
    --destaque-2: #0ea5e9;
    --fundo: #0a0f1e;
    --fundo-2: #111827;
    --fundo-3: #1a2235;
    --card-fundo: #141c2e;
    --texto-secundario: #8899aa;
    --badge-basico: #0ea5e9;
    --badge-inter: #f59e0b;
    --badge-avancado: #ef4444;
}

/* ─── RESET BÁSICO ─── */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ─── CORPO DA PÁGINA ─── */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--fundo);
    color: #e2e8f0;
    overflow-x: hidden;
}

/* NAVBAR*/
.custom-navbar {
    background: rgba(10, 15, 30, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 14px 0;
    transition: all 0.3s ease;
}

/* Navbar com fundo sólido ao rolar a página */
.custom-navbar.rolando {
    padding: 10px 0;
    background: rgba(10, 15, 30, 0.97);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* Ícone da marca */
.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--destaque), var(--destaque-2));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #fff;
}

/* Nome da marca */
.brand-text {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    color: #fff;
    letter-spacing: -0.5px;
}

/* Cor de destaque (cyan) */
.text-accent {
    color: var(--destaque);
}

/* Links da navbar */
.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.75) !important;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 14px !important;
    border-radius: 8px;
    transition: all 0.2s;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.07);
}

/* Botão de destaque (Login) */
.btn-accent {
    background: linear-gradient(135deg, var(--destaque), var(--destaque-2));
    color: #fff;
    border: none;
    font-weight: 600;
    border-radius: 10px;
    padding: 8px 20px;
    transition: all 0.25s;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 200, 255, 0.3);
    color: #fff;
}

/* Dropdown  de conta*/
.dropdown-menu {
    background: var(--card-fundo);
    border: 1px solid var(--borda);
    border-radius: 12px;
    padding: 8px;
}

.dropdown-item {
    color: var(--branco);
    border-radius: 8px;
    font-size: .88rem;
    padding: 8px 14px;
}

.dropdown-item:hover,
.dropdown-item.active {
    background: rgba(255, 255, 255, .07);
    color: #fff;
}

.dropdown-item.text-danger {
    color: #f87171 !important;
}

.dropdown-item.text-danger:hover {
    background: rgba(239, 68, 68, .1);
}

.dropdown-divider {
    border-color: var(--borda);
    margin: 6px 0;
}

/* BOTÃO VOLTAR (fixo no canto) */
.btn-voltar {
    position: fixed;
    top: 80px;
    left: 20px;
    z-index: 900;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #fff;
    border-radius: 12px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 7px;
    text-decoration: none;
    backdrop-filter: blur(8px);
    transition: background 0.2s;
}

.btn-voltar:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

/* HERO — Seção de topo da página */
.videos-hero {
    padding: 140px 0 70px;
    position: relative;
    overflow: hidden;
}

/* Gradiente radial de fundo do hero */
.videos-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0, 200, 255, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

/* Pílula acima do título */
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 200, 255, 0.1);
    border: 1px solid rgba(0, 200, 255, 0.25);
    color: var(--destaque);
    border-radius: 50px;
    padding: 6px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

/* Título principal */
.videos-hero h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1.5px;
    color: #fff;
}

/* Texto com gradiente no título */
.videos-hero h1 .gradient-text {
    background: linear-gradient(90deg, var(--destaque), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Subtítulo do hero */
.videos-hero p.lead {
    color: var(--texto-secundario);
    max-width: 500px;
    line-height: 1.7;
}

/* ─── Pílulas de estatísticas ─── */
.stats-row {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 32px;
}

.stat-pill {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 10px 18px;
}

.stat-pill i {
    color: var(--destaque);
    font-size: 1.1rem;
}

.stat-pill span {
    font-size: 0.85rem;
    color: #c0cfe0;
    font-weight: 500;
}

.stat-pill strong {
    color: #fff;
}

/* ABAS DE FILTRO */
.filter-bar {
    margin-bottom: 36px;
}

.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-tab {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--texto-secundario);
    border-radius: 10px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    letter-spacing: 0.2px;
}

.filter-tab:hover {
    border-color: var(--destaque);
    color: var(--destaque);
}

/* Aba selecionada */
.filter-tab.active {
    background: linear-gradient(135deg, rgba(0, 200, 255, 0.2), rgba(14, 165, 233, 0.15));
    border-color: var(--destaque);
    color: var(--destaque);
}

/* CABEÇALHO DE SEÇÃO (com linha decorativa) */
.section-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    margin-top: 56px;
}

.section-label:first-of-type {
    margin-top: 0;
}

/* Linha decorativa que cresce à direita do título */
.section-label-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 200, 255, 0.3), transparent);
}

/* Texto do cabeçalho de seção */
.section-label-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

.section-label-text i {
    color: var(--destaque);
}

/* CARD DE VÍDEO */
.video-card {
    background: var(--card-fundo);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 18px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    height: 100%;
}

/* Efeito ao passar o mouse */
.video-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(0, 200, 255, 0.2);
    border-color: rgba(0, 200, 255, 0.25);
}

.video-card .ratio {
    border-radius: 0;
}

.video-card iframe {
    border: none;
}

/* Área de informações abaixo do vídeo */
.card-meta {
    padding: 18px 20px 20px;
}

.card-meta-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 8px;
}

/* Título do card */
.card-meta h5 {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
    margin: 0;
}

/* Descrição do card */
.card-meta p {
    font-size: 0.82rem;
    color: var(--texto-secundario);
    line-height: 1.55;
    margin: 0 0 14px;
}

/* Rodapé do card (badge + duração) */
.card-footer-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ─── Badges de nível ─── */
.level-badge {
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 7px;
    padding: 4px 11px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

/* Nível básico — azul */
.level-basic {
    background: rgba(14, 165, 233, 0.15);
    color: #38bdf8;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

/* Nível intermediário — amarelo */
.level-inter {
    background: rgba(245, 158, 11, 0.12);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Nível avançado — vermelho */
.level-avancado {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Duração do vídeo */
.card-duration {
    font-size: 0.78rem;
    color: var(--texto-secundario);
    display: flex;
    align-items: center;
    gap: 5px;
}

.card-duration i {
    color: var(--destaque);
}

/* SEÇÃO DE CANAIS RECOMENDADOS */
.channels-section {
    margin-top: 80px;
    padding: 56px 0 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.channels-section .section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}

.channels-section .section-sub {
    color: var(--texto-secundario);
    font-size: 0.9rem;
    margin-bottom: 36px;
}

/* Card de canal */
.channel-card {
    background: var(--card-fundo);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    height: 100%;
    transition: border-color 0.25s, transform 0.25s;
}

.channel-card:hover {
    border-color: rgba(0, 200, 255, 0.3);
    transform: translateY(-4px);
}

/* Ícone do canal */
.channel-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(0, 200, 255, 0.2), rgba(14, 165, 233, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--destaque);
}

.channel-card h5 {
    font-family: 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    color: #fff;
    margin: 0;
}

.channel-card p {
    font-size: 0.82rem;
    color: var(--texto-secundario);
    line-height: 1.55;
    flex: 1;
    margin: 0;
}

/* Link "Visitar canal" com seta animada */
.channel-card a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--destaque);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: gap 0.2s;
}

.channel-card a:hover {
    gap: 10px;
}

/* SEÇÃO DE DICAS */
.tips-section {
    margin-top: 72px;
    background: var(--fundo-3);
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 24px;
    padding: 48px 40px;
}

.tips-section .tips-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.tips-section .tips-sub {
    color: var(--texto-secundario);
    font-size: 0.88rem;
    margin-bottom: 32px;
}

/* Item de dica individual */
.tip-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

/* Ícone da dica */
.tip-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: rgba(0, 200, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--destaque);
}

.tip-item h6 {
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.tip-item p {
    font-size: 0.82rem;
    color: var(--texto-secundario);
    line-height: 1.6;
    margin: 0;
}

/* BANNER CTA — Chamada para ação no final */
.cta-banner {
    margin-top: 64px;
    margin-bottom: 80px;
    background: linear-gradient(135deg, rgba(0, 200, 255, 0.12) 0%, rgba(167, 139, 250, 0.1) 100%);
    border: 1px solid rgba(0, 200, 255, 0.2);
    border-radius: 20px;
    padding: 40px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-banner h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}

.cta-banner p {
    color: var(--texto-secundario);
    font-size: 0.88rem;
    margin: 0;
}

/* Botão do CTA */
.btn-cta {
    background: linear-gradient(135deg, var(--destaque), var(--destaque-2));
    color: #fff;
    border: none;
    font-weight: 700;
    border-radius: 12px;
    padding: 12px 28px;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0, 200, 255, 0.35);
    color: #fff;
}

/* FOOTER */
.footer-section {
    background: #060b16;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 64px 0 0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer-description {
    color: #6b7280;
    font-size: 0.88rem;
    line-height: 1.65;
    margin-bottom: 24px;
}

/* Redes sociais */
.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 9px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.2s;
}

.social-link:hover {
    background: rgba(0, 200, 255, 0.15);
    color: var(--destaque);
    border-color: rgba(0, 200, 255, 0.3);
}

.footer-title {
    font-family: 'Poppins', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #6b7280;
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--destaque);
}

/* Linha inferior do footer */
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 0;
    margin-top: 48px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    color: #4b5563;
    font-size: 0.82rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: #4b5563;
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.2s;
}

.footer-legal a:hover {
    color: var(--destaque);
}

/* ANIMAÇÕES DE ENTRADA */
@keyframes subirFadeIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-up   { animation: subirFadeIn 0.55s ease both; }
.fade-up-2 { animation: subirFadeIn 0.55s 0.1s ease both; }
.fade-up-3 { animation: subirFadeIn 0.55s 0.2s ease both; }

/* RESPONSIVIDADE — Telas menores que 768px */
@media (max-width: 768px) {
    .tips-section {
        padding: 32px 22px;
    }

    .cta-banner {
        padding: 28px 24px;
    }
}