/* ===== VARIABLES MODERNAS ===== */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --accent-blue: #3b82f6;
    --accent-indigo: #6366f1;
    --accent-purple: #8b5cf6;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border-color: #334155;
    --card-shadow: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

/* ===== HEADER MODERNO ===== */
.header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 140px;
    height: auto;
}

.menu-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

/* ===== MENÚ MODERNO ===== */
.nav-menu {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    flex-wrap: wrap;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s;
}

.nav-menu a:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-menu a.active {
    background: var(--accent-blue);
    color: white;
}

/* Submenús modernos */
.menu-item {
    position: relative;
}

.has-submenu > a {
    padding-right: 2rem;
    position: relative;
}

.has-submenu > a::after {
    content: '▼';
    font-size: 0.7rem;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.6;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0.5rem;
    box-shadow: var(--card-shadow);
    z-index: 1000;
}

.has-submenu:hover > .submenu {
    display: block;
}

.submenu a {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    border-radius: 6px;
}

.submenu a:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Selector de idioma */
.nav-menu select {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    margin-left: 0.5rem;
}

/* ===== BOTÓN EMERGENCIA ===== */
.emergency-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #ef4444;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 10px 25px -5px rgba(239,68,68,0.5);
    z-index: 99;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.2s;
}

.emergency-btn:hover {
    background: #dc2626;
    transform: scale(1.05);
}

/* ===== CONTENEDOR ===== */
main {
    max-width: 1300px;
    margin: 2rem auto;
    padding: 0 2rem;
    min-height: 60vh;
}

/* ===== HERO MODERNO ===== */
.hero {
    background: linear-gradient(145deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem 2rem;
    margin-bottom: 3rem;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.hero-raton {
    font-size: 5rem;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== SECCIONES ===== */
.seccion {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--card-shadow);
}

.seccion h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* ===== TARJETAS ===== */
.grid-2, .grid-3 {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.tarjeta {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.2s;
}

.tarjeta:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow);
    border-color: var(--accent-blue);
}

.tarjeta-icono {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tarjeta h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.tarjeta p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== BOTONES ===== */
.btn {
    display: inline-block;
    background: var(--accent-blue);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #475569;
}

/* ===== FOOTER ===== */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.footer-section h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section p {
    color: var(--text-tertiary);
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.social-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--accent-blue);
}

.footer-bottom {
    grid-column: 1 / -1;
    text-align: center;
    padding-top: 3rem;
    margin-top: 3rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* ===== MODAL EMERGENCIA ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--bg-secondary);
    margin: 15% auto;
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.close {
    float: right;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-tertiary);
}

.whatsapp-btn {
    display: inline-block;
    background: #25D366;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    margin-top: 1rem;
    font-weight: 500;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .nav-menu a {
        width: 100%;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
}