/**
 * Navigation Component - Just Dev It
 * Sistema de navegación responsive y accesible
 */

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background-color: rgba(10, 14, 26, 0.85);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid rgba(155, 97, 164, 0.1);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    background-color: rgba(10, 14, 26, 0.95);
    box-shadow: var(--shadow-lg);
    border-bottom-color: rgba(155, 97, 164, 0.2);
}

/* ===== NAV CONTAINER ===== */
.main-nav {
    position: relative;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    max-width: var(--container-2xl);
    margin: 0 auto;
}

@media (min-width: 768px) {
    .nav-container {
        padding: var(--space-5) var(--space-8);
    }
}

/* ===== BRAND/LOGO ===== */
.nav-brand {
    flex-shrink: 0;
    z-index: 10;
}

.nav-brand a {
    display: flex;
    align-items: center;
    transition: transform var(--transition-fast);
}

.nav-brand a:hover {
    transform: scale(1.05);
}

.nav-brand img {
    height: 40px;
    width: auto;
}

@media (min-width: 768px) {
    .nav-brand img {
        height: 50px;
    }
}

/* ===== NAV MENU ===== */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

/* Desktop: menú horizontal normal */
@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
        flex-direction: row;
    }
}

/* Mobile menu: lateral deslizante */
@media (max-width: 1023px) {
    .nav-menu {
        display: flex !important;
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 85%;
        max-width: 400px;
        background: linear-gradient(135deg, #1a1a2e 0%, #0d0d14 100%);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 40px 40px 40px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -5px 0 30px rgba(0, 0, 0, 0.8);
        overflow-y: auto;
        z-index: 999;
        border-left: 2px solid rgba(155, 97, 164, 0.3);
    }
    
    .nav-menu.active {
        right: 0 !important;
    }
    
    /* Overlay oscuro cuando el menú está abierto */
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(10, 14, 26, 0.9);
        backdrop-filter: blur(8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: -1;
    }
    
    .nav-menu.active::before {
        opacity: 1;
        pointer-events: all;
    }
}

/* ===== NAV LIST ===== */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
    margin: 0;
    padding: 0;
}

@media (max-width: 1023px) {
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 8px;
        margin-bottom: 40px;
        padding-bottom: 30px;
        border-bottom: 2px solid rgba(155, 97, 164, 0.2);
    }
    
    /* Botón de cotizar en mobile dentro del menú */
    .nav-menu .btn {
        width: 100%;
        margin-top: 20px;
        justify-content: center;
        padding: 16px 24px;
        font-size: 16px;
    }
}

/* ===== NAV LINKS ===== */
.nav-link {
    position: relative;
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-neutral-lighter);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-brand-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-secondary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

@media (max-width: 1023px) {
    .nav-link {
        width: 100%;
        padding: 16px 20px;
        font-size: 18px;
        font-weight: 600;
        border-radius: 12px;
        color: rgba(255, 255, 255, 0.9);
        transition: all 0.3s ease;
    }
    
    .nav-link:hover {
        background-color: rgba(155, 97, 164, 0.15);
        color: #b77cc5;
        transform: translateX(8px);
    }
    
    .nav-link.active {
        background-color: rgba(155, 97, 164, 0.2);
        color: #b77cc5;
    }
    
    .nav-link::after {
        display: none;
    }
}

/* ===== HAMBURGER MENU ===== */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1000;
    padding: 0;
    position: relative;
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--color-neutral-lightest);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    transform-origin: center;
}

/* Animated hamburger */
.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* Mantener compatibilidad con aria-expanded */
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: translateY(10.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: translateY(-10.5px) rotate(-45deg);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    text-decoration: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: white;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn:hover::before {
    opacity: 0.1;
}

.btn:active {
    transform: scale(0.98);
}

/* Button sizes */
.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* Button variants */
.btn-primary {
    background: linear-gradient(135deg, #9B61A4 0%, #b77cc5 100%);
    color: white;
    box-shadow: 0 4px 20px rgba(155, 97, 164, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #6a3b7e 0%, #7d4a8f 100%);
    box-shadow: 0 8px 30px rgba(155, 97, 164, 0.6);
    transform: translateY(-2px);
    color: #FFFFFF;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.btn-secondary {
    background: rgba(4, 199, 170, 0.08);
    color: #04C7AA;
    border: 2px solid rgba(4, 199, 170, 0.4);
}

.btn-secondary:hover {
    background: rgba(4, 199, 170, 0.15);
    border-color: #26e0c0;
    color: #26e0c0;
}

.btn-outline {
    background: transparent;
    color: var(--color-neutral-lighter);
    border: 1px solid var(--color-neutral-medium);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-neutral-lighter);
}

/* ===== MOBILE MENU OVERLAY ===== */
@media (max-width: 1023px) {
    body.menu-open {
        overflow: hidden;
    }
}

/* ===== FOCUS STATES ===== */
.nav-link:focus-visible,
.btn:focus-visible,
.nav-toggle:focus-visible {
    outline: 2px solid var(--color-brand-primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}