/* ==========================================================================
   DECLARAÇÃO DE FONTES CUSTOMIZADAS
   ========================================================================== */
@font-face {
    font-family: 'Samsung Sans';
    src: url('../font/SamsungSans-Bold.woff2') format('woff2'),
        url('../font/SamsungSans-Bold.woff') format('woff'),
        url('../font/SamsungSans-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Samsung Sharp Sans';
    src: url('../font/SamsungSharpSans-Bold.woff2') format('woff2'),
        url('../font/SamsungSharpSans-Bold.woff') format('woff'),
        url('../font/SamsungSharpSans-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Samsung Sharp Sans';
    src: url('../font/SamsungSharpSans-Medium.woff2') format('woff2'),
        url('../font/SamsungSharpSans-Medium.woff') format('woff'),
        url('../font/SamsungSharpSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Samsung Sharp Sans';
    src: url('../font/SamsungSharpSans-Regular.woff2') format('woff2'),
        url('../font/SamsungSharpSans-Regular.woff') format('woff'),
        url('../font/SamsungSharpSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

/* ==========================================================================
   RESETS E VARIÁVEIS GLOBAIS
   ========================================================================== */
:root {
    --bg-dark: #17273d;
    --bg-darker: #080a12;
    --bg-slate: #4a5870;
    --bg-slate-dark: #2d3a50;
    --bg-footer: #1f2a3c;
    --primary-orange: #ff7200;
    --primary-blue: #0263ff;
    --cyan: #12B3D8;
    --cyan-hover: #0E9CBD;
    --text-light: #ffffff;
    --text-dark: #000000;
    --text-gray: #6b6b6b;
    --border-light: #dcdcdc;
    
    /* Fontes unificadas para utilizar exclusivamente a fonte local da Samsung */
    --font-main: 'Samsung Sharp Sans', sans-serif;
    --font-heading: 'Samsung Sharp Sans', sans-serif;
    --font-samsung: 'Samsung Sharp Sans', sans-serif;
    --font-primary: 'Samsung Sharp Sans', sans-serif;
    --font-secondary: 'Samsung Sharp Sans', sans-serif;

    /* Escala do layout: vale 1px em telas de 1920px ou mais e diminui proporcionalmente abaixo disso */
    --escala: min(1px, 0.052083vw);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-darker);
    color: var(--text-light);
    font-family: var(--font-main);
    overflow-x: hidden;
}

main {
    position: relative;
    z-index: 1;
}

img {
    display: block;
    max-width: 100%;
}

/* ==========================================================================
   UTILITÁRIOS DE LAYOUT
   ========================================================================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.bg-white {
    background-color: #ffffff !important;
    color: var(--text-dark);
}

.mt-20 {
    margin-top: 20px;
}

/* Degradê de fundo das Dobras 01 e 02 */
.bg-topo {
    background: linear-gradient(180deg, #4E5E74 0%, #23344B 100%);
}

.text-cyan {
    color: var(--cyan);
    font-weight: 700;
}

/* Títulos de Seção */
.section-title {
    font-family: var(--font-samsung);
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    text-align: center;
}

.title-white {
    color: var(--text-light);
}

.title-dark {
    color: var(--text-dark);
}

/* Estrela ao lado dos títulos */
.estrela-titulo {
    display: inline-block;
    height: auto;
}

.estrela-grande {
    width: 1.15em;
    margin-left: 0.05em;
    vertical-align: 0.1em;
    filter: contrast(0.7) brightness(1.2) saturate(0.85) drop-shadow(0 0 4px rgba(255, 255, 255, 0.45)) drop-shadow(0 0 12px rgba(220, 235, 255, 0.35));
}

.estrela-pequena {
    width: 0.7em;
    margin-left: 0.1em;
    vertical-align: -0.02em;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 50px;
    font-family: var(--font-main);
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.btn-cyan {
    background-color: var(--cyan);
    color: #ffffff;
}

.btn-cyan:hover {
    background-color: var(--cyan-hover);
}

.btn-sm {
    padding: 10px 22px;
    font-size: 13px;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: transparent !important;
    z-index: 100;
}

.header.scrolled {
    background: rgba(8, 10, 18, 0.85) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: max(20px, calc(38 * var(--escala))) 20px 0;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

.logo img {
    width: auto;
    height: max(28px, calc(38 * var(--escala)));
}

/* ==========================================================================
   DOBRA 01: HERO - SAMSUNG MUSIC STUDIO
   Os números usados com var(--escala) são as medidas em px do layout 1920px.
   ========================================================================== */
.hero-samsung {
    position: relative;
    width: 100%;
    min-height: calc(762 * var(--escala));
    overflow: hidden;
}

/* Imagem de fundo com os pontos, sumindo aos poucos no degradê do .bg-topo */
.hero-samsung::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('../img/background-dobra-01.png') right center / cover no-repeat;
    -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
    mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}

/* Imagem do produto com pedestal e brilho */
.produto-hero {
    position: absolute;
    top: calc(-181 * var(--escala));
    left: calc(50% - 1472 * var(--escala));
    width: calc(2195 * var(--escala));
    max-width: none;
    height: auto;
    pointer-events: none;
    z-index: 0;
}

/* Coluna de Texto */
.hero-samsung-text {
    position: relative;
    z-index: 1;
    width: max(420px, calc(660 * var(--escala)));
    margin-left: calc(50% + 121 * var(--escala));
    padding: calc(222 * var(--escala)) 0 calc(110 * var(--escala));
    color: var(--text-light);
    text-align: left;
}

.brand-logo {
    width: max(180px, calc(382 * var(--escala)));
    height: auto;
}

.music-studio-title {
    margin: calc(4 * var(--escala)) 0 0 -0.04em;
    font-family: var(--font-samsung);
    font-size: max(56px, calc(110 * var(--escala)));
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.01em;
    color: var(--text-light);
    white-space: nowrap;
}

.hero-highlight-subtitle {
    margin-top: calc(40 * var(--escala));
    font-family: var(--font-samsung);
    font-size: max(17px, calc(24 * var(--escala)));
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-light);
}

/* Texto com degradê do branco para o ciano */
.text-gradient {
    background: linear-gradient(90deg, #ffffff 0%, #9be7f0 12%, #9be7f0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-description {
    margin-top: calc(20 * var(--escala));
    font-family: var(--font-samsung);
    font-size: max(13px, calc(13.5 * var(--escala)));
    font-weight: 400;
    line-height: 1.78;
    color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   DOBRA 02: COMO PARTICIPAR / MECÂNICA DO CONCURSO
   ========================================================================== */
.como-participar {
    padding: clamp(60px, 7vw, 100px) 0 clamp(60px, 6vw, 90px);
    color: var(--text-light);
}

.como-container {
max-width: 1350px;}

.como-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(30px, 5vw, 70px);
    align-items: center;
    margin-top: clamp(40px, 5vw, 70px);
}

.como-text {
    font-family: var(--font-main);
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
}

.como-subtitle {
    margin-bottom: 10px;
    font-family: var(--font-main);
    font-size: 17px;
    font-weight: 700;
    color: var(--text-light);
}

.como-text p + .como-subtitle {
    margin-top: 36px;
}

.como-image img {
    width: 100%;
    max-width: 640px;
    height: auto;
    margin: 0 auto;
}

/* Mecânica */
.mecanica-title {
    margin-top: clamp(50px, 6vw, 80px);
    font-family: var(--font-samsung);
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 700;
    text-align: center;
}

.mecanica-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    margin-top: 36px;
    list-style: none;
}

.mecanica-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}

.mecanica-step img {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.mecanica-step p {
max-width: 205px;    font-family: var(--font-main);
    font-size: 12px;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.85);
}

.mecanica-note {
    margin-top: 40px;
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

/* Botão de Realidade Aumentada */
.ra-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(18px, 3vw, 36px);
    margin-top: 36px;
}

.ra-cta-title {
    font-family: var(--font-samsung);
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 700;
    line-height: 1.1;
    text-align: right;
}

.btn-ra {
    padding: 16px 34px;
    font-size: 16px;
    transition: background-color 0.3s ease, box-shadow 0.4s ease;
}

.btn-ra:hover {
    box-shadow: 0 0 24px rgba(18, 179, 216, 0.6);
}

.btn-ra img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.ra-cta-help {
    font-family: var(--font-main);
    font-size: 12px;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   DOBRA 03: FORMULÁRIO DE CONCURSO
   ========================================================================== */
.form-section {
    padding: clamp(80px, 10vw, 120px) 0;
}

.form-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Título da Seção */
.form-title {
    font-family: var(--font-samsung);
    font-size: clamp(36px, 4.5vw, 62px);
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    line-height: 1.1;
    margin-bottom: 70px;
    letter-spacing: -0.02em;
}

/* Estrutura do Formulário */
.concurso-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

/* Grid de 3 Colunas (Nome, Email, Telefone) */
.form-row-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

/* Labels e Grupos */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
}

.form-group label {
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
}

/* Inputs Padrão */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 18px 24px;
    border: 1px solid #000000;
    border-radius: 40px;
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: bold;
    color: var(--text-dark);
    background: transparent;
    outline: none;
    transition: box-shadow 0.3s ease;
}

.form-group input::placeholder {
    color: #A3A3A3;
    font-weight: 300;
}

.form-group input:focus,
.form-group textarea:focus {
    box-shadow: 0 0 0 2px rgba(18, 179, 216, 0.4);
}

/* Textarea */
.form-group textarea {
    width: 100%;
    min-height: 280px;
    padding: 30px;
    border: 1px solid #000000;
    border-radius: 20px;
    resize: vertical;
    font-family: var(--font-samsung);
    font-size: 1.6rem;
    font-weight: bold;
    line-height: 1.15;
    color: var(--text-dark);
    background: transparent;
    outline: none;
}

.form-group textarea::placeholder {
    color: #E8E8E8;
    opacity: 1;
}

/* Área de Upload */
.upload-area {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    border: 1px solid #000000;
    border-radius: 20px;
    text-align: center;
    background: transparent;
    cursor: pointer;
    transition: background-color 0.3s;
}

.upload-area:hover {
    background-color: #F8F9FA;
}

.upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #909090;
    pointer-events: none;
}

.upload-content svg {
    margin-bottom: 10px;
    color: #A0A0A0;
}

.upload-title {
    font-family: var(--font-main);
    font-size: 18px;
    font-weight: 500;
}

.upload-subtitle {
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 400;
    opacity: 0.7;
}

/* Texto Legal */
.form-disclaimer {
    padding: 0 10px;
    font-family: var(--font-main);
    font-size: 11px;
    line-height: 1.6;
    color: var(--text-dark);
    text-align: justify;
}

.form-disclaimer a{
    color: #0263ff;
    }

/* Checkbox */
.form-checkbox-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.form-checkbox-group input[type="checkbox"] {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: var(--primary-blue);
}

.form-checkbox-group label {
    font-family: var(--font-main);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
}

/* ==========================================================================
   DOBRA 04: PARTICIPAÇÃO ENVIADA / COMPRE AGORA
   ========================================================================== */
.sucesso-section {
    padding: 50px 0 ;
    text-align: center;
}

.sucesso-container {
    max-width: 1000px;
}

.sucesso-subtitle {
    margin-top: 18px;
    font-family: var(--font-main);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-gray);
}

.sucesso-subtitle a{
    color: #00BBFF;
}

.sucesso-cta-title {
    margin-top: clamp(40px, 5vw, 60px);
    font-family: var(--font-samsung);
    font-size: clamp(18px, 1.9vw, 24px);
    font-weight: 700;
    color: var(--text-dark);
}

.sucesso-cta-subtitle {
    margin-top: 8px;
    font-family: var(--font-main);
    font-size: 13px;
    color: var(--text-gray);
}

/* Cards de Produto */
.produto-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

/* Atualização do layout do cartão para alinhar o conteúdo ao centro */
.produto-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 22px 26px;
    border: 1px solid var(--border-light);
    border-radius: 18px;
    text-align: center;
}

.produto-card-img {
    flex: 0 0 90px;
    height: 90px;
}

/* Efeito de zoom (scale) na imagem do produto */
.produto-card-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transform: scale(1.4);
}

/* Novo contentor flexível para garantir a centralização dos elementos internos */
.produto-card-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

/* Título estritamente centrado */
.produto-card-info h4 {
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 18px;
}

.produto-card-price {
    margin: 4px 0 12px;
    font-family: var(--font-main);
    font-size: 13px;
    color: var(--text-gray);
}

/* Botão numa única linha (impede quebras de texto) */
.produto-card-info .btn {
    white-space: nowrap;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

/* ==========================================================================
   DOBRA 05: CONHEÇA OS MODELOS
   ========================================================================== */
.modelos-section {
    padding: clamp(40px, 5vw, 60px) 0 clamp(80px, 9vw, 120px);
}

.modelos-container {
max-width: 1350px; /* Antes era 1200px */
}

.modelo-row {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: clamp(30px, 5vw, 70px);
    align-items: center;
    margin-top: clamp(50px, 6vw, 80px);
}

/* Linha com a imagem à direita */
.modelo-row-reverse {
    grid-template-columns: 1.2fr 0.8fr;
}

.modelo-row-reverse .modelo-img {
    order: 2;
}

.modelo-img {
    justify-self: center;
    width: 100%;
    max-width: 464px;
    border-radius: 28px;
    overflow: hidden;
}

.modelo-img img {
    width: 100%;
    height: auto;
}

.modelo-info {
    text-align: center;
}

.modelo-info h3 {
    font-family: var(--font-samsung);
    font-size: clamp(18px, 1.8vw, 22px);
    font-weight: 700;
    line-height: 1.25;
    color: var(--text-dark);
}

.modelo-desc {
max-width: 760px; /* Antes era 620px */
    margin: 16px auto 0;
    font-family: var(--font-main);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-gray);
}

/* Características */
.modelo-features {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    margin: 30px 0 32px;
    list-style: none;
}

.modelo-features li {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.modelo-features strong {
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--cyan);
}

.modelo-features span {
    font-family: var(--font-main);
    font-size: 11px;
    line-height: 1.45;
    color: var(--text-gray);
}

/* ==========================================================================
   DOBRA 06: FAQ
   ========================================================================== */
.faq-section {
    padding: clamp(50px, 6vw, 80px) 0;
    background: linear-gradient(180deg, var(--bg-slate) 0%, var(--bg-slate-dark) 100%);
}

.faq-container {
    max-width: 1100px;
}

.faq-title {
    font-family: var(--font-samsung);
    font-size: clamp(18px, 1.8vw, 22px);
    font-weight: 700;
    color: var(--text-light);
    text-align: center;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 32px;
}

.faq-item {
    padding: 22px 28px;
    border-radius: 14px;
    background: #ffffff;
    color: var(--text-dark);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    width: 100%;
    border: none;
    background: none;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    text-align: left;
}

/* Ícone de Seta (fechado: contorno e seta para baixo / aberto: preenchido e seta para cima) */
.faq-icon {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    transform: rotate(180deg);
    transition: transform 0.45s ease;
}

.faq-icon circle {
    fill: #ffffff;
    stroke: #00BBFF;
    stroke-width: 2.5;
    transition: fill 0.45s ease;
}

.faq-icon path {
    fill: none;
    stroke: #00BBFF;
    stroke-width: 3.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: stroke 0.45s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(0deg);
}

.faq-item.active .faq-icon circle {
    fill: #00BBFF;
}

.faq-item.active .faq-icon path {
    stroke: #ffffff;
}

/* Resposta (animação de abrir/fechar) */
.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: grid-template-rows 0.45s ease, opacity 0.35s ease;
}

.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
    opacity: 1;
}

.faq-answer p {
    overflow: hidden;
    padding-right: 48px;
    font-family: var(--font-main);
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-gray);
}

.faq-answer p::before {
    content: "";
    display: block;
    height: 14px;
}

/* ==========================================================================
   RODAPÉ: REGULAMENTO
   ========================================================================== */
.footer-regulamento {
    padding: clamp(40px, 5vw, 60px) 0;
    background: var(--bg-footer);
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
}

.footer-regulamento a{
    margin: 5px;
}

.footer-container {
    max-width: 1300px;
}

.footer-regulamento h4 {
    margin: 18px 0 6px;
    font-family: var(--font-main);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
}

.footer-regulamento h4:first-child {
    margin-top: 0;
}

.footer-regulamento p {
    font-family: var(--font-main);
    font-size: 10px;
    line-height: 1.6;
    text-align: justify;
}

/* ==========================================================================
   RESPONSIVIDADE (TABLET)
   ========================================================================== */
@media (max-width: 1024px) {
    /* Dobra 01: Hero */
    .hero-samsung {
        min-height: 0;
    }

    .produto-hero {
        position: relative;
        top: auto;
        left: 50%;
        width: 170%;
        margin-bottom: -6%;
        transform: translateX(-51%);
    }

    .hero-samsung-text {
        width: auto;
        max-width: 640px;
        margin: 0 auto;
        padding: 0 20px 60px;
        text-align: center;
    }

    .brand-logo {
        margin: 0 auto;
    }

    .music-studio-title {
        margin-left: 0;
    }

    .hero-highlight-subtitle {
        margin-top: 24px;
    }

    .hero-description {
        margin-top: 16px;
    }

    /* Dobra 02: Como Participar */
    .como-grid {
        grid-template-columns: 1fr;
    }

    .mecanica-steps {
        grid-template-columns: repeat(3, 1fr);
        row-gap: 36px;
    }

    /* Dobra 03: Formulário */
    .form-row-grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .form-group textarea {
        min-height: 200px;
        padding: 20px;
    }

    .upload-area {
        padding: 40px 15px;
    }

    /* Dobra 04: Participação Enviada */
    .produto-cards {
        grid-template-columns: 1fr;
    }

    /* Dobra 05: Conheça os Modelos */
    .modelo-row,
    .modelo-row-reverse {
        grid-template-columns: 1fr;
    }

    .modelo-row-reverse .modelo-img {
        order: 0;
    }

    .modelo-img {
        max-width: 480px;
        margin: 0 auto;
    }

    .modelo-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   RESPONSIVIDADE (MOBILE)
   ========================================================================== */
@media (max-width: 768px) {
    /* Dobra 02: Como Participar */
    .mecanica-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .ra-cta {
        flex-direction: column;
        text-align: center;
    }

    .ra-cta-title {
        text-align: center;
    }

    /* Dobra 03: Formulário */
    .form-section {
        padding: 80px 0;
    }

    .form-title {
        margin-bottom: 40px;
    }

    .form-checkbox-group {
        align-items: flex-start;
        text-align: left;
    }

    .form-checkbox-group label {
        font-size: 13px;
        line-height: 1.4;
    }

    /* Dobra 04: Participação Enviada */
    .produto-card {
        flex-direction: column;
        text-align: center;
    }

    /* Dobra 05: Conheça os Modelos */
    .modelo-features {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Dobra 06: FAQ */
    .faq-item {
        padding: 18px 20px;
    }

    .faq-answer p {
        padding-right: 0;
    }
}

/* ==========================================================================
   RESPONSIVIDADE (MOBILE PEQUENO)
   ========================================================================== */
@media (max-width: 480px) {
    /* Dobra 01: Hero */
    .music-studio-title {
        font-size: 44px;
    }
}