/* ==========================================================  
   ARQUIVO: style.css
   DESCRIÇÃO: Tema Azul Ultra-Premium (Otimizado Mobile-First)
   VERSÃO: 2.0.0
   ========================================================== */

/* 1. VARIÁVEIS E RESET */
:root {
    --primary-blue: #1E3B5F;
    --secondary-blue: #3A6CA8;
    --accent-blue: #5B9CE3;
    --bg-light: #EAF2FA;
    --text-dark: #111827;
    --text-white: #FFFFFF;
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: "Inter", Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    padding-top: 80px; /* Espaço para o header fixo */
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. HEADER (MOBILE FIRST) */
.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--text-white);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    flex-direction: column; /* Empilhado no mobile */
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--text-white);
    text-decoration: none;
}

.site-tagline {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.9);
}

.main-nav {
    display: flex;
    gap: 15px;
}

.main-nav a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 3. HERO SECTION */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--text-white);
    padding: 60px 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.hero .subtitle {
    font-size: 1.1rem;
    margin-bottom: 25px;
    color: rgba(255, 255, 255, 0.9);
}

/* 4. GRID DE PRODUTOS (MOBILE FIRST: 1 COLUNA) */
.products-section {
    padding: 40px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: 1fr; /* 1 coluna no telemóvel */
    gap: 25px;
}

.product-card {
    background: var(--text-white);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-badge {
    background: var(--accent-blue);
    color: var(--text-white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    width: fit-content;
    margin-bottom: 15px;
}

.product-card h3 {
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

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

/* 5. BOTÕES (TOUCH FRIENDLY) */
.product-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    display: inline-block;
    padding: 14px 20px;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--text-white) !important;
}

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

/* 6. COMPONENTES DE PÁGINA DE PRODUTO */
.accordion-header {
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--text-white);
    padding: 15px;
    border-radius: 8px;
    width: 100%;
    text-align: left;
    margin-bottom: 5px;
}

.testimonial {
    background: white;
    border-left: 5px solid var(--accent-blue);
    padding: 20px;
    margin: 15px 0;
    border-radius: 0 8px 8px 0;
    font-style: italic;
}

/* 7. MEDIA QUERIES (TABLET E DESKTOP) */

/* Tablets (min-width: 768px) */
@media (min-width: 768px) {
    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 3rem;
    }
}

/* Desktop (min-width: 1024px) */
@media (min-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-actions {
        flex-direction: row;
    }

    .btn {
        flex: 1;
    }
}

/* 8. UTILITÁRIOS */
.text-white { color: var(--text-white); }
.visible { display: block !important; }