/* ── ZEST WEB SOLUTIONS: PREMIUM SaaS NAVIGATION STYLES ── */

:root {
    --nav-height: 80px;
    --nav-bg: rgba(7, 9, 12, 0.7);
    --nav-border: rgba(255, 255, 255, 0.06);
    --nav-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --nav-easing: cubic-bezier(0.16, 1, 0.3, 1);
    --nav-transition: all 0.4s var(--nav-easing);
}

/* Base Nav Container */
.premium-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: var(--nav-shadow);
    transition: var(--nav-transition);
}

/* Scrolled Nav Shrink State */
.premium-nav.scrolled {
    --nav-height: 64px;
    background: rgba(7, 9, 12, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

/* Logo Section */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    transition: transform 0.3s var(--nav-easing);
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo .logo-img {
    height: 30px;
    width: 26px;
    aspect-ratio: 26/30;
    transition: var(--nav-transition);
}

.premium-nav.scrolled .nav-logo .logo-img {
    height: 26px;
    width: 22.5px;
}

.nav-logo .logo-text {
    font-family: var(--label-font), 'Syne', sans-serif;
    font-weight: 800;
    font-size: 19px;
    color: var(--text);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.nav-logo .logo-dot {
    width: 5px;
    height: 5px;
    background: var(--accent);
    border-radius: 50%;
    margin-left: 2px;
    display: inline-block;
    vertical-align: super;
}

/* Desktop Links */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    height: 100%;
}

.nav-item-link {
    font-family: var(--label-font), 'Syne', sans-serif;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text2);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--nav-transition);
    position: relative;
}

.nav-item-link:hover,
.nav-item-link.nav-active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

/* Smooth Underline Indicator */
.nav-item-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--nav-easing);
}

.nav-item-link.nav-active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-item-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Dropdown Arrow Indicator */
.dropdown-arrow {
    width: 8px;
    height: 8px;
    border-right: 1.5px solid var(--text2);
    border-bottom: 1.5px solid var(--text2);
    transform: translateY(-2px) rotate(45deg);
    transition: transform 0.3s var(--nav-easing), border-color 0.3s;
    margin-left: 2px;
}

.nav-item-link:hover .dropdown-arrow {
    border-color: var(--text);
}

.nav-item-dropdown:hover .dropdown-arrow {
    transform: translateY(2px) rotate(-135deg);
    border-color: var(--accent);
}

/* Dropdown / Mega Menu Base */
.mega-menu {
    position: absolute;
    top: calc(100% - 2px);
    left: 50%;
    transform: translateX(-50%) translateY(12px);
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--nav-border);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    z-index: 1040;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item-dropdown:hover .mega-menu,
.nav-item-dropdown.dropdown-active .mega-menu {
    opacity: 1;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

/* Services Dropdown (2x2 Grid) */
#nav-dropdown-services .mega-menu {
    width: 640px;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* Resources Dropdown (Featured Column + Right Grid) */
#nav-dropdown-resources .mega-menu {
    width: 840px;
    padding: 0;
    overflow: hidden;
}

.resources-menu-grid {
    display: flex;
}

.resources-featured-col {
    width: 300px;
    background: linear-gradient(180deg, rgba(249, 96, 0, 0.08) 0%, rgba(7, 9, 12, 0) 100%);
    border-right: 1px solid var(--nav-border);
    padding: 24px;
    display: flex;
}

.resources-featured-col .mega-menu-item.featured-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(249, 96, 0, 0.15);
    height: 100%;
    align-items: flex-start;
    flex-direction: column;
    padding: 24px;
    border-radius: 12px;
}

.resources-links-grid {
    flex-grow: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 24px;
}

/* General Mega Menu Item */
.mega-menu-item {
    display: flex;
    gap: 14px;
    padding: 14px 18px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--text2);
    background: transparent;
    border: 1px solid transparent;
    transition: var(--nav-transition);
}

.mega-menu-item:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.04);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.menu-item-icon {
    font-size: 22px;
    line-height: 1.2;
    flex-shrink: 0;
    transition: transform 0.3s var(--nav-easing);
}

.mega-menu-item:hover .menu-item-icon {
    transform: scale(1.1);
}

.menu-item-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu-item-title {
    font-family: var(--label-font), 'Syne', sans-serif;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 6px;
}

.menu-item-desc {
    font-size: 11.5px;
    line-height: 1.5;
    color: var(--text2);
}

/* Special Badges */
.featured-badge {
    background: rgba(249, 96, 0, 0.15);
    color: var(--accent);
    font-size: 9.5px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid rgba(249, 96, 0, 0.25);
}

.soon-badge {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text2);
    font-size: 9px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    opacity: 0.8;
}

/* Disabled & Placeholder Items */
.mega-menu-item.disabled-item {
    opacity: 0.55;
    cursor: not-allowed;
    border-color: transparent;
}

.mega-menu-item.disabled-item:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
}

/* Book Call CTA Button Redesign */
.nav-cta-btn {
    font-family: var(--label-font), 'Syne', sans-serif;
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.03em;
    color: #ffffff;
    text-decoration: none;
    padding: 10px 24px;
    border-radius: 9999px;
    background: linear-gradient(135deg, #f96000 0%, #ff7e29 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 15px rgba(249, 96, 0, 0.22);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(249, 96, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.nav-cta-btn:active {
    transform: translateY(0);
}

/* Mobile Menu Toggle Button & Hamburger bars */
.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
    position: relative;
}

.mobile-toggle .bar {
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    margin: 2.5px 0;
    transition: transform 0.3s var(--nav-easing), opacity 0.3s var(--nav-easing), background-color 0.3s;
}

.mobile-toggle[aria-expanded="true"] .bar-top {
    transform: rotate(45deg) translateY(6px);
}

.mobile-toggle[aria-expanded="true"] .bar-mid {
    opacity: 0;
}

.mobile-toggle[aria-expanded="true"] .bar-bot {
    transform: rotate(-45deg) translateY(-6px);
}

/* Outstanding Responsive Overlay (Slide-down scale view) */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(7, 9, 12, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    padding: 100px 28px 40px;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.96) translateY(-20px);
    transition: opacity 0.3s var(--nav-easing), transform 0.3s var(--nav-easing);
}

.mobile-overlay.open {
    opacity: 1;
    pointer-events: all;
    transform: scale(1) translateY(0);
}

.mobile-overlay-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    overflow-y: auto;
}

.mobile-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mobile-nav-link,
.mobile-accordion-toggle {
    font-family: var(--label-font), 'Syne', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 8px;
    background: transparent;
    border: none;
    text-align: left;
    width: 100%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--nav-transition);
}

.mobile-nav-link:hover,
.mobile-accordion-toggle:hover {
    background: rgba(255, 255, 255, 0.04);
}

/* Mobile Dropdown arrow */
.accordion-arrow {
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--text);
    border-bottom: 2px solid var(--text);
    transform: rotate(45deg);
    transition: transform 0.3s var(--nav-easing);
    margin-right: 6px;
}

.mobile-accordion-toggle[aria-expanded="true"] .accordion-arrow {
    transform: rotate(-135deg);
}

/* Accordion Panel */
.mobile-accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--nav-easing), opacity 0.3s ease;
    opacity: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding-left: 20px;
    margin-top: 4px;
}

.mobile-accordion-toggle[aria-expanded="true"] + .mobile-accordion-panel {
    max-height: 380px;
    opacity: 1;
}

.mobile-sub-link {
    font-family: var(--body-font), sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: var(--text2);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 8px;
    transition: var(--nav-transition);
}

.mobile-sub-link:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.03);
}

.mobile-sub-link.disabled-link {
    opacity: 0.45;
    cursor: not-allowed;
}

.mobile-cta-wrapper {
    margin-top: 40px;
}

.mobile-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    font-family: var(--label-font), sans-serif;
    font-weight: 700;
    font-size: 15px;
    color: #fff;
    background: linear-gradient(135deg, #f96000 0%, #ff7e29 100%);
    border-radius: 9999px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(249,96,0,0.25);
    transition: var(--nav-transition);
}

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

/* Desktop vs Mobile Toggle Media Queries */
@media (max-width: 992px) {
    .nav-menu,
    .nav-cta-wrapper {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
}

/* Keyboard Accessibility Focus States */
.nav-item-link:focus-visible,
.nav-cta-btn:focus-visible,
.mobile-toggle:focus-visible,
.mobile-nav-link:focus-visible,
.mobile-accordion-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}