/* ============================================
   HEADER UNIVERSAL - CSS
   Funciona para todas las páginas
   ============================================ */

.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.5rem;
    color: #1f2937;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-icon {
    font-size: 2rem;
}

.logo-text {
    font-weight: 800;
}

.logo-co {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation - Desktop */
.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #667eea;
}

.nav-link:hover::after {
    width: 100%;
}

/* Menu Toggle Button (Hamburguesa) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    position: relative;
}

.menu-toggle span {
    width: 28px;
    height: 3px;
    background: #1f2937;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        padding: 2rem 1.5rem;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav-link {
        width: 100%;
        padding: 1rem 0;
        font-size: 1.125rem;
        border-bottom: 1px solid #f3f4f6;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover {
        background: #f9fafb;
        padding-left: 1rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        height: 60px;
    }

    .logo {
        font-size: 1.25rem;
    }

    .logo-icon {
        font-size: 1.75rem;
    }

    .nav {
        top: 60px;
        padding: 1.5rem 1rem;
    }
}