/* =================================== */
/* CONFIGURAÇÕES GLOBAIS E VARIÁVEIS  */
/* =================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&display=swap');

:root {
    --cor-amarelo: #ffc107;
    --cor-preto: #121212;
    --cor-cinza-escuro: #222;
    --cor-texto: #ffffff;
    --cor-instagram: #E1306C;
    --cor-instagram-hover: #C13584;
    --cor-whatsapp: #25D366;
    --cor-whatsapp-hover: #128C7E;
}

/* Habilita a rolagem suave na página inteira */
html {
    scroll-behavior: smooth;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--cor-preto);
    color: var(--cor-texto);
    line-height: 1.6;
    animation: fadeIn 0.6s ease-in-out;
}

.container {
    max-width: 1100px;
    margin: auto;
    padding: 0 20px;
}

/* =================================== */
/* HEADER E NAVEGAÇÃO                  */
/* =================================== */

header {
    background: var(--cor-cinza-escuro);
    padding: 1rem 0;
    border-bottom: 3px solid var(--cor-amarelo);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

header .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.header-logo {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--cor-amarelo);
}

header .logo h1 {
    color: var(--cor-texto);
    font-size: 2rem;
}

header .logo span {
    color: var(--cor-amarelo);
}

header nav ul {
    list-style: none;
    display: flex;
    gap: 35px;
}

header nav ul li a {
    color: var(--cor-texto);
    text-decoration: none;
    font-weight: bold;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

header nav ul li a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background-color: var(--cor-amarelo);
    transition: width 0.3s ease-out;
}

header nav ul li a:hover::after,
header nav ul li a.active::after {
    width: 100%;
}

header nav ul li a:hover,
header nav ul li a.active {
    color: var(--cor-amarelo);
}


/* =================================== */
/* SEÇÕES PRINCIPAIS (MAIN)            */
/* =================================== */

main {
    /* Main agora é apenas um container para as seções */
}

.player-section {
    min-height: calc(100vh - 81px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.player-container {
    background: var(--cor-cinza-escuro);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #333;
    position: relative;
}

.main-player-logo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 20px;
    border: 3px solid var(--cor-amarelo);
    box-shadow: 0 0 20px 5px rgba(255, 193, 7, 0.7);
    animation: pulse 2s infinite alternate;
    will-change: transform, box-shadow;
}

.player-container h2 {
    color: var(--cor-amarelo);
    margin-bottom: 10px;
    font-size: 1.5rem;
}

.player-container p {
    font-size: 1.2rem;
    margin-bottom: 0;
}

#visualizer {
    width: 250px;
    height: 60px;
    margin: 25px auto;
}

.controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
}

.controls .play-btn {
    background-color: var(--cor-amarelo);
    color: var(--cor-preto);
    border: none;
    border-radius: 50%;
    width: 70px;
    height: 70px;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.4s ease;
    box-shadow: 0 0 15px 3px rgba(255, 193, 7, 0.5);
}

.controls .play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px 8px rgba(255, 193, 7, 0.9);
}

.volume-control {
    display: flex;
    align-items: center;
    gap: 8px;
}

.volume-control button {
    background: transparent;
    border: 2px solid var(--cor-amarelo);
    color: var(--cor-amarelo);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.volume-control button:hover {
    background-color: var(--cor-amarelo);
    color: var(--cor-preto);
}

/* =================================== */
/* SEÇÃO DE CONTEÚDO "SOBRE"           */
/* =================================== */

.content-section {
    padding: 4rem 20px;
    background-color: #1a1a1a;
}

.content-section h2 {
    color: var(--cor-amarelo);
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.content-section > .container > p {
    color: #ccc;
    text-align: justify;
    max-width: 800px;
    margin: 0 auto 1.5rem auto;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-box {
    background-color: var(--cor-cinza-escuro);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--cor-amarelo);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}

.feature-box h3 {
    color: var(--cor-amarelo);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-box p {
    color: #ccc;
    font-size: 1rem;
    line-height: 1.7;
    text-align: left;
    margin: 0;
}

/* =================================== */
/* FOOTER (RODAPÉ)                     */
/* =================================== */

footer {
    background: var(--cor-cinza-escuro);
    color: #aaa;
    text-align: center;
    padding: 1.5rem 0;
    margin-top: auto;
    border-top: 1px solid #333;
}

/* ALTERAÇÃO: Novo layout do container do rodapé */
footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

footer p {
    margin: 0;
    padding: 0;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--cor-texto);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.social-links a:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.6);
}

.social-links .btn-instagram { background-color: var(--cor-instagram); }
.social-links .btn-instagram:hover { background-color: var(--cor-instagram-hover); }

.social-links .btn-whatsapp { background-color: var(--cor-whatsapp); }
.social-links .btn-whatsapp:hover { background-color: var(--cor-whatsapp-hover); }

.social-links .btn-email { background-color: #777; }
.social-links .btn-email:hover { background-color: #999; }

/* ALTERAÇÃO: Estilos para a nova linha de links do rodapé */
.footer-links {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.9rem;
}

.footer-links a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--cor-amarelo);
    text-decoration: underline;
}

/* =================================== */
/* ANIMAÇÕES                           */
/* =================================== */

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes pulse {
    from {
        transform: scale(1);
        box-shadow: 0 0 20px 5px rgba(255, 193, 7, 0.6);
    }
    to {
        transform: scale(1.05);
        box-shadow: 0 0 30px 10px rgba(255, 193, 7, 0.8);
    }
}

/* =================================== */
/* NOVO CÓDIGO: MODAL DE PRIVACIDADE   */
/* =================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease-in-out;
}

.modal-content {
    background-color: var(--cor-cinza-escuro);
    margin: 10% auto;
    padding: 30px;
    border: 1px solid #444;
    border-radius: 10px;
    width: 90%;
    max-width: 700px;
    position: relative;
}

.close-btn {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close-btn:hover {
    color: var(--cor-amarelo);
}

.modal-nav {
    display: flex;
    gap: 10px;
    border-bottom: 1px solid #444;
    margin-bottom: 20px;
}

.tab-btn {
    background: none;
    border: none;
    color: #aaa;
    padding: 10px 15px;
    font-size: 1rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: var(--cor-texto);
}

.tab-btn.active {
    color: var(--cor-amarelo);
    border-bottom-color: var(--cor-amarelo);
}

.modal-body {
    max-height: 50vh;
    overflow-y: auto;
    padding-right: 15px;
}

.modal-body h3 {
    color: var(--cor-amarelo);
    margin-bottom: 15px;
}

.modal-body p {
    color: #ccc;
    line-height: 1.8;
    margin-bottom: 15px;
}

.content-panel {
    display: none;
}

.content-panel.active {
    display: block;
}


/* =================================== */
/* ESTILOS PARA TELAS MENORES          */
/* =================================== */

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 15px;
    }

    header .logo h1 {
        font-size: 1.8rem;
    }

    header nav ul {
        gap: 20px;
    }

    .player-section {
        padding: 2rem 1rem;
    }

    .player-container {
        padding: 30px 20px;
    }

    .main-player-logo {
        width: 120px;
        height: 120px;
    }

    .player-container h2 {
        font-size: 1.3rem;
    }

    .player-container p {
        font-size: 1rem;
    }

    .content-section {
        padding: 2rem 1rem;
    }

    .feature-box {
        padding: 1.5rem;
    }

    footer .container {
        gap: 20px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

    #vol-down-btn,
    #vol-up-btn {
        display: none;
    }
}