/* ===== VARIABLES (COLORES MÁS VIVOS) ===== */
:root {
    --primary: #6a11cb;
    --secondary: #2575fc;
    --accent: #ff6f00;
    --success: #00c853;
    --danger: #ff1744;

    --bg: #f5f7ff;
    --card-bg: #ffffff;
    --text: #222;
    --text-light: #666;

    --radius: 16px;
    --shadow: 0 12px 30px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    background: linear-gradient(to right, #eef2ff, #f8f9ff);
    color: var(--text);
}

/* ===== HEADER ===== */
.main-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 35px 20px;
    box-shadow: var(--shadow);
}

.main-header h1 {
    font-size: 32px;
    font-weight: 700;
}

.main-header h2 {
    font-size: 16px;
    opacity: 0.9;
}

/* ===== NAV ===== */
.main-nav {
    background: #111;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-nav ul {
    display: flex;
    gap: 20px;
    list-style: none;
}

.main-nav a {
    color: #ccc;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* ===== CONTENEDOR ===== */
.contenedor {
    max-width: 1200px;
    margin: auto;
    padding: 40px 20px;
}

/* ===== TITULOS ===== */
.titulo {
    text-align: center;
    margin-bottom: 30px;
    font-size: 26px;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    color: transparent;
}

/* ===== BOTONES ===== */
.btn {
    border: none;
    border-radius: var(--radius);
    padding: 10px 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    transform: scale(1.05);
}

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

.btn-warning {
    background: var(--accent);
    color: white;
}

/* ===== PRODUCTOS ===== */
.productos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

/* ===== TARJETAS ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
}

/* EFECTO BRILLO */
.card::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,0.4), transparent);
    top: 0;
    left: -100%;
    transition: 0.6s;
}

.card:hover::before {
    left: 100%;
}

.card img {
    width: 100%;
    height: 230px;
    object-fit: cover;
}

.card-body {
    padding: 20px;
    text-align: center;
}

.card h3 {
    color: var(--primary);
    font-size: 20px;
}

/* MARCA */
.card p {
    color: var(--text-light);
    font-size: 14px;
}

/* PRECIO DESTACADO */
.precio {
    display: block;
    margin: 12px 0;
    font-size: 22px;
    font-weight: bold;
    color: var(--success);
}

/* ===== ACCIONES ===== */
.acciones {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* ===== FORMULARIOS ===== */
.form-group input {
    border-radius: var(--radius);
    padding: 12px;
    border: 2px solid #eee;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(106,17,203,0.3);
}

/* ===== LOGIN ===== */
.login-container {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

/* ===== ALERTAS ===== */
.alert {
    border-radius: var(--radius);
    padding: 12px;
    font-weight: 500;
}

.alert-success {
    background: #e8f5e9;
    color: var(--success);
}

.alert-danger {
    background: #ffebee;
    color: var(--danger);
}

/* ===== CARRUSEL ===== */
.carrusel {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.slide {
    min-width: 300px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: white;
}

.slide img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.slide p {
    padding: 10px;
}

/* ===== FOOTER ===== */
footer {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
    text-align: center;
    padding: 20px;
    margin-top: 50px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .main-nav {
        flex-direction: column;
        gap: 10px;
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
    }
}