/* ========================================
   VARIÁVEIS DE COR E TIPOGRAFIA
   ======================================== */

:root {
    /* Cores Principais - Paleta de "Resgate da Infância" */
    --color-primary: #D4A574;      /* Marrom terroso */
    --color-secondary: #A8D5BA;    /* Verde suave */
    --color-accent: #F4A460;       /* Laranja quente */
    --color-light: #FFF8F0;        /* Creme claro */
    --color-dark: #5C4033;         /* Marrom escuro */
    --color-text: #4A4A4A;         /* Cinza escuro */
    --color-border: #E8D5C4;       /* Bege suave */
    
    /* Tipografia */
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-serif: 'Georgia', serif;
    --font-size-base: 16px;
    --font-size-h1: 2.5rem;
    --font-size-h2: 2rem;
    --font-size-h3: 1.5rem;
    --font-size-h4: 1.25rem;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Sombras Suaves */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* ========================================
   RESET E ESTILOS GLOBAIS
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-light);
}

/* ========================================
   CONTAINER
   ======================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   CABEÇALHO
   ======================================== */

.header {
    background-color: white;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.nav a:hover::after {
    width: 100%;
}

/* ========================================
   SEÇÃO HERO
   ======================================== */

.hero {
    background: linear-gradient(135deg, #FFF8F0 0%, #F4E4D7 100%);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: var(--font-size-h1);
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
    font-weight: 700;
}

.hero-content .subtitle {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

/* ========================================
   BOTÕES
   ======================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: var(--color-secondary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: #8BC99C;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ========================================
   SEÇÃO SOBRE
   ======================================== */

.about {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: white;
}

.about h2 {
    font-size: var(--font-size-h2);
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-serif);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.about-card {
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border-left: 4px solid var(--color-primary);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.about-card h3 {
    font-size: var(--font-size-h4);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about-card p {
    color: var(--color-text);
    line-height: 1.8;
}

/* ========================================
   SEÇÃO ARTIGO
   ======================================== */

.article {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: var(--color-light);
}

.article h2 {
    font-size: var(--font-size-h2);
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-serif);
}

.article-content {
    background-color: white;
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.article-intro {
    background-color: #F9F3ED;
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    margin-bottom: var(--spacing-lg);
    border-radius: 8px;
}

.article-intro p {
    font-size: 1.1rem;
    color: var(--color-dark);
    line-height: 1.8;
    font-style: italic;
}

.article-content h3 {
    font-size: var(--font-size-h3);
    color: var(--color-dark);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
}

.article-content h4 {
    font-size: var(--font-size-h4);
    color: var(--color-primary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.9;
    text-align: justify;
}

.article-download {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: white;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.article-download p {
    margin-bottom: var(--spacing-md);
    font-size: 1.1rem;
    color: var(--color-text);
}

/* ========================================
   SEÇÃO CONTATO
   ======================================== */

.contact {
    padding: var(--spacing-xl) var(--spacing-md);
    background-color: white;
}

.contact h2 {
    font-size: var(--font-size-h2);
    color: var(--color-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-serif);
}

.contact > .container > p {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--color-light);
    padding: var(--spacing-lg);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact-form button {
    width: 100%;
}

/* ========================================
   RODAPÉ
   ======================================== */

.footer {
    background-color: var(--color-dark);
    color: white;
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.footer p {
    margin: 0;
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
    :root {
        --font-size-h1: 2rem;
        --font-size-h2: 1.5rem;
        --font-size-h3: 1.25rem;
    }

    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .nav ul {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .hero {
        min-height: 400px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .article-content {
        padding: var(--spacing-md);
    }

    .article-content p {
        text-align: left;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-h1: 1.5rem;
        --font-size-h2: 1.25rem;
        --spacing-lg: 1.5rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav ul {
        gap: var(--spacing-sm);
    }

    .hero-content .subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: 0.9rem;
    }
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.about-card {
    animation: fadeIn 0.6s ease-out forwards;
}

.about-card:nth-child(1) { animation-delay: 0.1s; }
.about-card:nth-child(2) { animation-delay: 0.2s; }
.about-card:nth-child(3) { animation-delay: 0.3s; }
.about-card:nth-child(4) { animation-delay: 0.4s; }