@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ===================================
   VARIÁVEIS CSS
=================================== */
:root {
    /* Cores */
    --primary: #0056b3;
    --primary-light: #3084d7;
    --primary-dark: #004080;
    --secondary: #28a745;
    --secondary-hover: #218838;
    --accent: #ff7700;
    --danger: #dc3545;
    --success: #28a745;
    
    /* Tons de cinza */
    --white: #ffffff;
    --light: #f8f9fa;
    --gray-100: #f0f2f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Texto */
    --text-primary: #343a40;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    
    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Outros */
    --border-radius-sm: 6px;
    --border-radius: 10px;
    --border-radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-unit: 8px;
}

/* ===================================
   RESET E BASE
=================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #f0f2f5 0%, #e2e6ea 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================================
   CONTAINERS
=================================== */
.container {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
}

.welcome-container {
    width: 100%;
    max-width: 950px;
    margin: 0 auto;
}

/* ===================================
   CARDS PRINCIPAIS
=================================== */
.form-wrapper, 
.welcome-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    padding: calc(var(--spacing-unit) * 4);
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--primary);
    width: 100%;
}

/* ===================================
   HEADER E LOGO
=================================== */
.header-section {
    text-align: center;
    margin-bottom: calc(var(--spacing-unit) * 3);
    padding-bottom: calc(var(--spacing-unit) * 2);
    border-bottom: 1px solid var(--gray-200);
}

.logo-placeholder {
    margin: 0 auto calc(var(--spacing-unit) * 2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    max-width: 180px;
}

.logo-placeholder .logo-img {
    width: 100%;
    height: auto;
    max-width: 180px;
    display: block;
}

.logo-placeholder svg {
    width: 35px;
    height: 35px;
    stroke: var(--primary);
    fill: none;
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    line-height: 1.3;
}

.subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
}

/* ===================================
   FORMULÁRIOS
=================================== */
.form-section {
    margin-bottom: calc(var(--spacing-unit) * 3);
    padding-bottom: calc(var(--spacing-unit) * 3);
    border-bottom: 1px solid var(--gray-200);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section h2 {
    font-size: 1.05rem;
    color: var(--primary);
    margin-bottom: calc(var(--spacing-unit) * 2);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.form-section h2::before {
    content: '';
    display: block;
    width: 4px;
    height: 20px;
    background: var(--primary);
    margin-right: calc(var(--spacing-unit) * 1.5);
    border-radius: 2px;
}

/* Formulário Compacto - Sem separadores e títulos */
.form-section-compact {
    margin-bottom: 0;
}

.form-group {
    margin-bottom: calc(var(--spacing-unit) * 2.5);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-section-compact .form-group {
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 2);
}

label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: calc(var(--spacing-unit) * 1);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    width: 100%;
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
    border: 2px solid var(--gray-300);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-family: 'Poppins', sans-serif;
    transition: var(--transition);
    background: var(--white);
    color: var(--text-primary);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(0, 86, 179, 0.1);
}

input::placeholder {
    color: var(--text-muted);
}

input.error {
    border-color: var(--danger);
}

input.success {
    border-color: var(--success);
}

.error-message {
    display: block;
    font-size: 0.8rem;
    color: var(--danger);
    margin-top: calc(var(--spacing-unit) * 0.75);
    min-height: 20px;
}

/* ===================================
   BOTÕES
=================================== */
.btn-primary,
.btn-download,
.btn-support {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 1.5);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    width: 100%;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    background-color: var(--primary);
    color: var(--white);
    font-size: 1rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-download {
    width: 100%;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    background: linear-gradient(135deg, var(--secondary), var(--secondary-hover));
    color: var(--white);
    font-size: 1rem;
    box-shadow: 0 6px 16px rgba(40, 167, 69, 0.25);
    margin-top: 0;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.35);
}

.btn-download:active {
    transform: translateY(0);
}

.btn-support {
    padding: calc(var(--spacing-unit) * 1.75) calc(var(--spacing-unit) * 3);
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
}

.btn-support:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--white);
    text-decoration: none;
}

/* ===================================
   SEQUÊNCIA DE PASSOS
=================================== */
.steps-sequence {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 2);
}

.step-item {
    position: relative;
    display: flex;
    gap: calc(var(--spacing-unit) * 2.5);
    align-items: flex-start;
    padding: calc(var(--spacing-unit) * 3);
    background: var(--gray-100);
    border-radius: var(--border-radius-lg);
    border-left: 5px solid var(--primary);
    transition: var(--transition);
}

.step-item:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.step-number-badge {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    font-weight: 700;
    box-shadow: 0 6px 16px rgba(0, 86, 179, 0.3);
}

.step-content-wrapper {
    flex: 1;
    min-width: 0;
}

.step-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    line-height: 1.4;
}

.step-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing-unit) * 2);
    line-height: 1.65;
}

.step-hint {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: calc(var(--spacing-unit) * 2);
    padding: calc(var(--spacing-unit) * 1.5);
    background: rgba(0, 86, 179, 0.06);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-light);
    line-height: 1.6;
}

.step-hint strong {
    color: var(--primary-dark);
    font-weight: 600;
}

/* ===================================
   CREDENCIAIS
=================================== */
.credentials-box {
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-left: 5px solid var(--primary);
    border-radius: var(--border-radius);
    padding: calc(var(--spacing-unit) * 2.5);
    margin-bottom: calc(var(--spacing-unit) * 2);
    box-shadow: var(--shadow-sm);
}

.credential-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 1.5) 0;
    border-bottom: 1px solid var(--gray-200);
    gap: calc(var(--spacing-unit) * 2);
}

.credential-item:first-child {
    padding-top: 0;
}

.credential-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.credential-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    flex-shrink: 0;
    min-width: 90px;
}

.credential-value {
    font-family: 'Courier New', 'Monaco', monospace;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-dark);
    background: rgba(0, 86, 179, 0.1);
    padding: calc(var(--spacing-unit) * 1.25) calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-align: right;
    flex: 1;
    word-break: break-all;
}

.credential-value:hover {
    background: rgba(0, 86, 179, 0.18);
    transform: scale(1.02);
}

/* ===================================
   VÍDEOS COM PLAYER EMBUTIDO - DESIGN MODERNO
=================================== */
.videos-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: calc(var(--spacing-unit) * 3);
    margin-top: calc(var(--spacing-unit) * 2);
}

.video-card-modern {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 2px solid transparent;
}

.video-card-modern:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.video-header {
    position: relative;
    padding: calc(var(--spacing-unit) * 1.5);
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.05), rgba(48, 132, 215, 0.08));
    display: flex;
    justify-content: flex-end;
}

.video-badge {
    display: inline-flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 0.75);
    padding: calc(var(--spacing-unit) * 0.75) calc(var(--spacing-unit) * 1.5);
    background: var(--white);
    border-radius: calc(var(--border-radius) * 2);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
}

.video-badge svg {
    flex-shrink: 0;
}

.video-player {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    background: var(--gray-900);
    overflow: hidden;
}

.video-player iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-details {
    padding: calc(var(--spacing-unit) * 2.5);
    background: var(--white);
}

.video-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-dark);
    margin-bottom: calc(var(--spacing-unit) * 1);
    line-height: 1.3;
}

.video-details p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* Estilo antigo mantido para compatibilidade */
.video-list {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
}

.video-item-mini {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 2);
    background: var(--white);
    border: 2px solid var(--gray-300);
    padding: calc(var(--spacing-unit) * 2);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.video-item-mini:hover {
    border-color: var(--primary);
    background: rgba(0, 86, 179, 0.03);
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
}

.video-icon-mini {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.12), rgba(48, 132, 215, 0.15));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 86, 179, 0.15);
}

.video-icon-mini svg {
    width: 22px;
    height: 22px;
}

.video-info-mini {
    flex: 1;
    min-width: 0;
}

.video-info-mini h4 {
    font-size: 1rem;
    margin-bottom: calc(var(--spacing-unit) * 0.75);
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.4;
}

.video-info-mini span {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===================================
   SEÇÃO DE SUPORTE
=================================== */
.support-section {
    margin-top: calc(var(--spacing-unit) * 3);
    padding: calc(var(--spacing-unit) * 3);
    background: linear-gradient(135deg, rgba(0, 86, 179, 0.06), rgba(48, 132, 215, 0.08));
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(0, 86, 179, 0.12);
    text-align: center;
}

.support-content h3 {
    font-size: 1.1rem;
    color: var(--primary-dark);
    margin-bottom: calc(var(--spacing-unit) * 1);
    font-weight: 600;
}

.support-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: calc(var(--spacing-unit) * 2);
    line-height: 1.6;
}

/* ===================================
   FOOTER E UTILITÁRIOS
=================================== */
.form-footer {
    margin-top: calc(var(--spacing-unit) * 3);
    padding-top: calc(var(--spacing-unit) * 2.5);
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.terms-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: calc(var(--spacing-unit) * 2);
    line-height: 1.6;
}

.terms-text a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.terms-text a:hover {
    color: var(--primary-dark);
    border-bottom-color: var(--primary-dark);
}

/* ===================================
   LOADING OVERLAY
=================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.96);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
    backdrop-filter: blur(4px);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--gray-300);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: calc(var(--spacing-unit) * 2);
}

.loading-overlay p {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===================================
   LINKS
=================================== */
a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
}

/* ===================================
   RESPONSIVO - TABLETS
=================================== */
@media (max-width: 768px) {
    body {
        padding: calc(var(--spacing-unit) * 2);
        align-items: flex-start;
        padding-top: calc(var(--spacing-unit) * 4);
    }
    
    .form-wrapper, 
    .welcome-card {
        padding: calc(var(--spacing-unit) * 4);
    }
    
    .steps-sequence {
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: calc(var(--spacing-unit) * 3);
    }
    
    .step-number-badge {
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .step-content-wrapper {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .credential-item {
        flex-direction: column;
        align-items: flex-start;
        gap: calc(var(--spacing-unit) * 1);
    }
    
    .credential-value {
        width: 100%;
        text-align: left;
    }
    
    .videos-container {
        grid-template-columns: 1fr;
        gap: calc(var(--spacing-unit) * 2);
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .subtitle {
        font-size: 0.9rem;
    }
}

/* ===================================
   RESPONSIVO - MOBILE
=================================== */
@media (max-width: 480px) {
    body {
        padding: calc(var(--spacing-unit) * 1.5);
    }
    
    .form-wrapper, 
    .welcome-card {
        padding: calc(var(--spacing-unit) * 3);
    }
    
    h1 {
        font-size: 1.35rem;
    }
    
    .logo-placeholder {
        width: 70px;
        height: 70px;
    }
    
    .logo-placeholder svg {
        width: 35px;
        height: 35px;
    }
    
    .step-title {
        font-size: 1.15rem;
    }
    
    .step-number-badge {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .support-section {
        padding: calc(var(--spacing-unit) * 3);
    }
}