:root {
    --primary: #0f172a;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --bg-light: #f8fafc;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
}

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

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    background-color: #ffffff;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Cabecera & Controles Móviles */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1720px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

.brand-logo {
    height: 60px;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    gap: 20px;
    align-items: center;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

/* Acciones Móviles (Ocultas en Desktop) */
.header-mobile-actions {
    display: none;
    align-items: center;
    gap: 8px;
}

.search-toggle-btn, .menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    border-radius: 6px;
    transition: background 0.2s;
}

.search-toggle-btn:hover, .menu-toggle:hover {
    background: var(--bg-light);
}

/* Estilo barras hamburguesa */
.menu-toggle {
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.menu-toggle .hamburger-bar {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* Animación Hamburguesa a 'X' */
.menu-toggle.is-active .hamburger-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.menu-toggle.is-active .hamburger-bar:nth-child(2) {
    opacity: 0;
}
.menu-toggle.is-active .hamburger-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Buscador (Desktop) */
.search-box form {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-light);
    transition: border-color 0.2s;
}

.search-box form:focus-within {
    border-color: var(--secondary);
    background: #fff;
}

.search-box input {
    border: none;
    background: transparent;
    padding: 8px 12px;
    font-size: 0.9rem;
    outline: none;
    width: 180px;
}

.search-box button {
    background: transparent;
    border: none;
    padding: 0 12px;
    cursor: pointer;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.search-box button:hover {
    color: var(--secondary);
}

.site-content {
    flex: 1;
}

/* Hero Section & Grid */
.hero-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    text-align: center;
    padding: 50px 20px;
    margin-bottom: 40px;
}

.hero-section h1 {
    font-size: 2.3rem;
    margin-bottom: 12px;
    font-weight: 800;
}

.hero-section p {
    font-size: 1.1rem;
    color: #94a3b8;
    max-width: 700px;
    margin: 0 auto;
}

.main-container {
    max-width: 1720px;
    margin: 0 auto 60px auto;
    padding: 0 20px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 25px;
}

.product-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 2px 4px rgba(0,0,0,0.01);
    transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
}

.product-img-wrap {
    position: relative;
    padding: 20px;
    background: #f8fafc;
    text-align: center;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
}

.product-img-wrap img {
    max-height: 140px;
    width: auto;
    object-fit: contain;
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--secondary);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.product-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.product-title {
    font-size: 1rem;
    color: var(--primary);
    line-height: 1.4;
    margin-bottom: 10px;
}

.product-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.product-price {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--primary);
}

.btn-amazon {
    background: #ff9900;
    color: #111;
    font-weight: 700;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    transition: background 0.2s;
}

.btn-amazon:hover {
    background: #fa8e00;
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: #ffffff;
    padding: 50px 20px 20px 20px;
    margin-top: auto;
}

.footer-container {
    max-width: 1720px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3, .footer-col h4 {
    margin-bottom: 15px;
    color: #ffffff;
}

.footer-col p, .footer-col li a {
    color: #94a3b8;
    font-size: 0.9rem;
    text-decoration: none;
    line-height: 1.6;
}

.footer-col ul {
    list-style: none;
}

.footer-col li a:hover {
    color: var(--secondary);
}

.footer-bottom {
    max-width: 1720px;
    margin: 0 auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    color: #64748b;
    font-size: 0.85rem;
}

/* --- Media Queries (Móviles y Tablets) --- */
@media (max-width: 768px) {
    .header-mobile-actions {
        display: flex;
    }

    /* Ocultar menú de navegación principal por defecto en móvil */
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        flex-direction: column;
        align-items: flex-start;
        padding: 1.2rem 1.5rem;
        gap: 15px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        visibility: hidden;
        transition: all 0.3s ease-in-out;
    }

    .main-nav.is-active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        visibility: visible;
    }

    .main-nav a {
        font-size: 1.05rem;
        width: 100%;
        padding-bottom: 8px;
        border-bottom: 1px solid var(--bg-light);
    }

    /* Buscador desplegable móvil (activado al pulsar la lupa) */
    .search-box {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #ffffff;
        padding: 1rem;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        border-bottom: 1px solid var(--border-color);
        display: none;
    }

    .search-box.is-active {
        display: block;
    }

    .search-box form {
        width: 100%;
    }

    .search-box input {
        width: 100%;
    }
}