/* 
   CSS Principal - Seminário Programação Agêntica 40+
   Tema: Minimalista e Light (conforme preferência do usuário)
   Cores: Azul profundo, Verde esmeralda, Cinza grafite
*/

:root {
    /* Cores principais conforme plano */
    --primary-blue: #0D1B2A;
    --primary-green: #2ECC71;
    --primary-gray: #2C3E50;
    --white-ice: #F8F9FA;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    
    /* Tipografia */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
}

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

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white-ice);
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

/* Componentes básicos */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--primary-green);
    color: white;
}

.btn-primary:hover {
    background-color: #27AE60;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: white;
}

.btn-danger {
    background-color: #E74C3C;
    color: white;
}

.btn-danger:hover {
    background-color: #C0392B;
    transform: translateY(-2px);
}

/* Header */
.header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: var(--spacing-sm) 0;
    position: relative;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 75px !important;
    width: auto;
    display: block;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.header nav {
    display: flex;
    gap: var(--spacing-md);
}

.header nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
}

.header nav a:hover {
    color: var(--primary-green);
    background-color: rgba(46, 204, 113, 0.1);
    transform: translateY(-1px);
}

.header nav a.active {
    color: var(--primary-green);
    background-color: rgba(46, 204, 113, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-gray) 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero h1 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 3rem;
}

.hero p {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Formulário de captura */
.lead-capture {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: var(--spacing-md) auto 0;
}

.lead-capture h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #E9ECEF;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-green);
}

/* Seções de conteúdo */
.section {
    padding: var(--spacing-xl) 0;
}

.section-light {
    background-color: var(--white-ice);
}

.section-dark {
    background-color: var(--primary-gray);
    color: white;
}

/* Cards */
.card {
    background-color: white;
    border-radius: 10px;
    padding: var(--spacing-md);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    margin-bottom: var(--spacing-md);
}

.card h3 {
    color: var(--primary-blue);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Footer */
.footer {
    background-color: var(--primary-blue);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer p {
    color: rgba(255,255,255,0.8);
}

/* Responsividade */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .lead-capture {
        margin: var(--spacing-sm);
        padding: var(--spacing-md);
    }
    
    .header .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .header nav {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header nav a {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}

/* Utilitários */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }

.hidden { display: none; }
.visible { display: block; }

/* Animações para vendas */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(46, 204, 113, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 35px rgba(46, 204, 113, 0.6);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 8px 25px rgba(46, 204, 113, 0.4);
    }
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(46, 204, 113, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(46, 204, 113, 0.8);
    }
    100% {
        box-shadow: 0 0 5px rgba(46, 204, 113, 0.5);
    }
}


/* Alertas */
.alert {
    padding: 15px;
    margin: 15px 0;
    border-radius: 5px;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}