/* ==========================================================================
   HEADER STYLES
   ========================================================================== */

/* Top Bar */
.header-top-bar {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) 0;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-contact {
    display: flex;
    gap: var(--spacing-lg);
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-silver);
    transition: color var(--transition-fast);
}

.top-bar-item:hover {
    color: var(--color-white);
}

.top-bar-item .icon {
    opacity: 0.8;
}

.top-bar-social {
    display: flex;
    gap: var(--spacing-sm);
}

.top-bar-social .social-link {
    color: var(--color-silver);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.top-bar-social .social-link:hover {
    color: var(--color-white);
}

/* Main Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: var(--color-white);
    transition: all var(--transition-base);
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-md);
}

.site-header.is-scrolled .header-top-bar {
    display: none;
}

.site-header.is-hidden {
    transform: translateY(-100%);
}

.header-main {
    border-bottom: 1px solid var(--color-border-light);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

/* Site Branding / Logo */
.site-branding {
    flex-shrink: 0;
}

.site-branding .custom-logo-link {
    display: block;
}

.site-branding .custom-logo {
    max-height: 50px;
    width: auto;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

/* Main Navigation */
.main-navigation {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.primary-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.primary-menu > li {
    position: relative;
}

.primary-menu > li > a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    transition: color var(--transition-fast);
    border-radius: var(--radius-sm);
}

.primary-menu > li > a:hover,
.primary-menu > li.current-menu-item > a,
.primary-menu > li.current-menu-parent > a {
    color: var(--color-primary);
    background-color: var(--color-silver-light);
}

/* Dropdown Arrow */
.primary-menu > li.menu-item-has-children > a::after {
    content: '';
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    transition: transform var(--transition-fast);
}

.primary-menu > li.menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.primary-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    list-style: none;
    z-index: var(--z-dropdown);
}

.primary-menu > li:hover > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.primary-menu .sub-menu li a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.primary-menu .sub-menu li a:hover {
    color: var(--color-primary);
    background-color: var(--color-silver-light);
    padding-left: calc(var(--spacing-lg) + 4px);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.header-whatsapp {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: #25D366;
    background-color: rgba(37, 211, 102, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.header-whatsapp:hover {
    background-color: #25D366;
    color: var(--color-white);
    transform: scale(1.05);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-cta svg {
    transition: transform var(--transition-fast);
}

.header-cta:hover svg {
    transform: translateX(4px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 24px;
    height: 24px;
    position: relative;
}

.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-text-primary);
    border-radius: 1px;
    transition: all var(--transition-fast);
    position: absolute;
}

.hamburger-line:nth-child(1) {
    top: 6px;
}

.hamburger-line:nth-child(2) {
    top: 11px;
}

.hamburger-line:nth-child(3) {
    top: 16px;
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(1) {
    top: 11px;
    transform: rotate(45deg);
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.is-active .hamburger-line:nth-child(3) {
    top: 11px;
    transform: rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-white);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
}

.mobile-menu.is-active {
    transform: translateX(0);
}

.mobile-menu-inner {
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-menu li {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-menu li a {
    display: block;
    padding: var(--spacing-md) 0;
    color: var(--color-text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.mobile-nav-menu li a:hover,
.mobile-nav-menu li.current-menu-item a {
    color: var(--color-primary);
}

.mobile-nav-menu .sub-menu {
    list-style: none;
    padding-left: var(--spacing-lg);
}

.mobile-nav-menu .sub-menu li a {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
}

.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.mobile-whatsapp {
    justify-content: center;
}

/* Body Lock when menu is open */
body.menu-open {
    overflow: hidden;
}

body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
}

/* ==========================================================================
   FOOTER STYLES
   ========================================================================== */

.site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-silver);
}

/* Footer Main */
.footer-main {
    padding: var(--spacing-4xl) 0 var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: var(--spacing-2xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
}

/* Footer Logo & About */
.footer-logo {
    margin-bottom: var(--spacing-lg);
}

.footer-logo .custom-logo {
    max-height: 45px;
    filter: brightness(0) invert(1);
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.footer-description {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
    color: var(--color-silver-dark);
    margin-bottom: var(--spacing-lg);
}

.footer-certifications {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.certification-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-silver);
}

/* Footer Titles */
.footer-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary-light);
}

/* Footer Menu */
.footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu li a {
    display: inline-flex;
    align-items: center;
    color: var(--color-silver-dark);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.footer-menu li a::before {
    content: '';
    display: inline-block;
    width: 0;
    height: 1px;
    background-color: var(--color-accent-warm);
    margin-right: 0;
    transition: all var(--transition-fast);
}

.footer-menu li a:hover {
    color: var(--color-white);
}

.footer-menu li a:hover::before {
    width: 12px;
    margin-right: var(--spacing-sm);
}

/* Contact List */
.contact-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.contact-icon {
    flex-shrink: 0;
    color: var(--color-primary-light);
    margin-top: 2px;
}

.contact-text {
    display: flex;
    flex-direction: column;
    font-size: var(--font-size-sm);
    color: var(--color-silver-dark);
}

.contact-text a {
    color: var(--color-silver-dark);
    transition: color var(--transition-fast);
}

.contact-text a:hover {
    color: var(--color-white);
}

/* Footer Social */
.footer-social {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.social-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-silver);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-silver);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-2px);
}

.social-link--whatsapp:hover {
    background-color: #25D366;
}

/* Footer Bottom */
.footer-bottom {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(0, 0, 0, 0.2);
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-silver-dark);
    margin: 0;
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-bottom-links a {
    font-size: var(--font-size-sm);
    color: var(--color-silver-dark);
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--color-white);
}

/* Floating WhatsApp Button */
.floating-whatsapp {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
    color: var(--color-white);
}

.whatsapp-tooltip {
    position: absolute;
    right: calc(100% + var(--spacing-sm));
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all var(--transition-fast);
}

.floating-whatsapp:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: calc(var(--spacing-xl) + 70px);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    cursor: pointer;
    z-index: var(--z-fixed);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & FOOTER RESPONSIVE STYLES
   ========================================================================== */

@media (max-width: 1200px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-about {
        grid-column: span 2;
    }
}

@media (max-width: 1024px) {
    /* Hide desktop nav, show mobile toggle */
    .main-navigation {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .header-inner {
        padding: var(--spacing-sm) 0;
    }
}

@media (max-width: 768px) {
    /* Top Bar */
    .header-top-bar {
        display: none;
    }

    /* Footer */
    .footer-main {
        padding: var(--spacing-2xl) 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .footer-about {
        grid-column: span 1;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom-links {
        justify-content: center;
    }

    /* Floating buttons */
    .floating-whatsapp {
        width: 50px;
        height: 50px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
    }

    .back-to-top {
        right: calc(var(--spacing-md) + 60px);
        bottom: var(--spacing-md);
        width: 40px;
        height: 40px;
    }

    .whatsapp-tooltip {
        display: none;
    }
}

@media (max-width: 480px) {
    .mobile-menu {
        max-width: 100%;
    }

    .header-whatsapp {
        width: 40px;
        height: 40px;
    }

    .footer-social {
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}