:root {
    --bg: #0b0e14;
    --card-bg: #161b22;
    --primary: #00d4ff;
    --accent: #7000ff;
    --text: #ffffff;
    --text-dim: #8b949e;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    margin: 0;
    line-height: 1.6;
    scroll-behavior: smooth;
}

h1, h2, h3, .logo { font-family: 'Space Grotesk', sans-serif; }

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(11, 14, 20, 0.8);
    backdrop-filter: blur(12px);
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.logo { font-weight: 700; font-size: 1.4rem; letter-spacing: 1px; }
.logo span { color: var(--primary); }
.nav-links a { color: var(--text-dim); text-decoration: none; margin-left: 25px; transition: 0.3s; font-size: 0.9rem; }
.nav-links a:hover { color: var(--primary); }

/* HERO */
.hero {
    padding: 100px 8%;
    text-align: center;
    background: radial-gradient(circle at center, rgba(112,0,255,0.08) 0%, transparent 70%);
}
.badge { background: rgba(0, 212, 255, 0.1); color: var(--primary); padding: 5px 15px; border-radius: 50px; font-size: 0.8rem; border: 1px solid var(--primary); }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); margin: 20px 0; }
.hero h1 span { background: linear-gradient(90deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { max-width: 600px; margin: 0 auto 30px; color: var(--text-dim); font-size: 1.1rem; }
.btn-primary { background: var(--primary); color: #000; padding: 12px 25px; border-radius: 8px; text-decoration: none; font-weight: 700; transition: 0.3s; display: inline-block; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,212,255,0.3); }

/* FEATURES */
.f-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; padding: 50px 8%; }
.f-item { background: var(--card-bg); padding: 30px; border-radius: 15px; border: 1px solid rgba(255,255,255,0.05); }
.f-item h3 { color: var(--primary); margin-top: 0; }

/* CATALOGO GRID */
.catalog-section { padding: 80px 8%; }
.section-title { text-align: center; margin-bottom: 50px; }
.container { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); 
    gap: 30px; 
}

.card {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.05);
    overflow: hidden;
    transition: 0.4s;
}
.card:hover { border-color: var(--primary); transform: translateY(-5px); }

.img-container { height: 260px; overflow: hidden; background: #000; }
.img-container img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; cursor: pointer; }
.card:hover img { transform: scale(1.05); }

.card-info { padding: 20px; }
.price-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.price { font-size: 1.5rem; font-weight: 700; color: var(--primary); }
.stock { font-size: 0.8rem; color: var(--text-dim); background: rgba(255,255,255,0.05); padding: 2px 8px; border-radius: 4px; }

.btn-buy {
    display: block; text-align: center; background: transparent; 
    border: 1px solid var(--primary); color: var(--primary);
    padding: 12px; border-radius: 10px; text-decoration: none;
    font-weight: 600; transition: 0.3s;
}
.btn-buy:hover { background: var(--primary); color: #000; }
/* --- LOGIN STYLES --- */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, var(--accent) 0%, transparent 40%), var(--bg);
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 400px;
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.login-header {
    margin-bottom: 30px;
}

.login-header p {
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-top: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.login-form {
    text-align: left;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 12px 15px;
    border-radius: 10px;
    color: white;
    font-family: inherit;
    transition: 0.3s;
    box-sizing: border-box; /* Evita que el input se salga del card */
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
    background: rgba(0, 0, 0, 0.5);
}

.btn-login {
    width: 100%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    color: white;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(112, 0, 255, 0.3);
    filter: brightness(1.1);
}

.back-link {
    display: block;
    margin-top: 25px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    transition: 0.3s;
}

.back-link:hover {
    color: var(--primary);
}
/* --- LOGIN SECCION --- */
.login-container {
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, rgba(0, 212, 255, 0.1), transparent);
}

.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    max-width: 350px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}

.login-box h2 {
    font-size: 1.2rem;
    color: var(--text-dim);
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.input-group {
    margin-bottom: 15px;
}

.input-group input {
    width: 100%;
    padding: 12px 15px;
    background: #000;
    border: 1px solid #333;
    border-radius: 8px;
    color: white;
    font-size: 1rem;
    transition: 0.3s;
    box-sizing: border-box; /* Crucial para que no se desfase el ancho */
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
}

.btn-login {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: #000;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 10px;
}

.btn-login:hover {
    filter: brightness(1.2);
    transform: translateY(-2px);
}

.back-link {
    display: block;
    margin-top: 20px;
    font-size: 0.8rem;
    color: var(--text-dim);
    text-decoration: none;
}

.back-link:hover {
    color: var(--primary);
}
/* MODAL MEJORADO */
.modal {
    display: none; position: fixed; z-index: 2000;
    left: 0; top: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.95); align-items: center; justify-content: center;
    flex-direction: column;
}
.modal-content { max-width: 85%; max-height: 80vh; border-radius: 10px; border: 1px solid var(--primary); }
.close { position: absolute; top: 30px; right: 40px; color: white; font-size: 40px; cursor: pointer; }

footer { text-align: center; padding: 50px; opacity: 0.5; border-top: 1px solid rgba(255,255,255,0.05); }