/* ===================================
   CYBER NAV - Dark Theme Variables
   =================================== */
:root {
    --nav-bg: #0a0a0f;
    --nav-accent: #00ff88;
    --nav-accent-glow: rgba(0, 255, 136, 0.3);
    --nav-text: #e4e4e7;
    --nav-text-dim: #a1a1aa;
    --nav-border: rgba(255, 255, 255, 0.08);
    --nav-hover-bg: rgba(255, 255, 255, 0.05);
    --nav-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --nav-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --transition-speed: 0.3s;
    --font-brand: 'Orbitron', monospace;
    --font-body: 'Rajdhani', sans-serif;
}

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

body {
    background: #0f0f14;
    color: var(--nav-text);
    font-family: var(--font-body);
    overflow-x: hidden;
}

/* ===================================
   MAIN HEADER
   =================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--nav-border);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ===================================
   NAVIGATION CONTAINER
   =================================== */
.cyber-nav {
    position: relative;
    overflow: hidden;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    position: relative;
    z-index: 2;
}

/* ===================================
   BRAND SECTION
   =================================== */
.nav-brand {
    position: relative;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    padding: 0.5rem 0;
}

.brand-text {
    font-family: var(--font-brand);
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(135deg, var(--nav-accent) 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {

    0%,
    100% {
        filter: drop-shadow(0 0 8px var(--nav-accent-glow));
    }

    50% {
        filter: drop-shadow(0 0 16px var(--nav-accent-glow));
    }
}

.brand-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2rem;
    background: var(--nav-accent);
    margin-left: 4px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.brand-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--nav-accent);
    transition: width var(--transition-speed) ease;
}

.brand-link:hover::before {
    width: 100%;
}

/* ===================================
   NAVIGATION MENU
   =================================== */
.nav-menu-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--nav-text);
    text-decoration: none;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    position: relative;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* Hover Effect - Scanning Line */
.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent 0%,
            var(--nav-accent-glow) 50%,
            transparent 100%);
    transition: left 0.5s ease;
}

.nav-menu a:hover::before {
    left: 100%;
}

/* Bottom Border Effect */
.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--nav-accent);
    transform: translateX(-50%);
    transition: width var(--transition-speed) ease;
    box-shadow: 0 0 8px var(--nav-accent);
}

.nav-menu a:hover::after,
.nav-menu .current-menu-item a::after,
.nav-menu .current_page_item a::after {
    width: 80%;
}

.nav-menu a:hover {
    color: var(--nav-accent);
    transform: translateY(-2px);
}

.nav-menu .current-menu-item a,
.nav-menu .current_page_item a {
    color: var(--nav-accent);
}

/* Dropdown Support */
.nav-menu .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--nav-border);
    border-radius: 8px;
    padding: 0.5rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-speed) ease;
    box-shadow: var(--nav-shadow);
}

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

.nav-menu .sub-menu li {
    width: 100%;
}

.nav-menu .sub-menu a {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.nav-menu .sub-menu a::after {
    display: none;
}

.nav-menu .sub-menu a:hover {
    background: var(--nav-hover-bg);
}

/* ===================================
   MOBILE TOGGLE BUTTON
   =================================== */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
    transition: transform var(--transition-speed) ease;
}

.nav-toggle:hover {
    transform: scale(1.1);
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--nav-accent);
    border-radius: 2px;
    transition: all var(--transition-speed) ease;
    box-shadow: 0 0 8px var(--nav-accent-glow);
}

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

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

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

/* ===================================
   AMBIENT GLOW EFFECT
   =================================== */
.nav-glow {
    position: absolute;
    bottom: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 100px;
    background: radial-gradient(ellipse at center,
            var(--nav-accent-glow) 0%,
            transparent 70%);
    opacity: 0.4;
    pointer-events: none;
    animation: glowFloat 4s ease-in-out infinite;
}

@keyframes glowFloat {

    0%,
    100% {
        transform: translateX(-50%) translateY(0);
        opacity: 0.4;
    }

    50% {
        transform: translateX(-50%) translateY(-10px);
        opacity: 0.6;
    }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 992px) {
    .nav-container {
        padding: 0 1.5rem;
    }

    .nav-menu a {
        padding: 0.6rem 1.2rem;
        font-size: 1rem;
    }
}

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

    .nav-menu-wrapper {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--nav-border);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu-wrapper.active {
        max-height: 500px;
    }

    .nav-menu {
        flex-direction: column;
        padding: 1rem 0;
        gap: 0;
    }

    .nav-menu li {
        width: 100%;
        opacity: 0;
        transform: translateX(-20px);
        animation: slideInMenu 0.4s ease forwards;
    }

    .nav-menu-wrapper.active .nav-menu li {
        animation-play-state: running;
    }

    @keyframes slideInMenu {
        to {
            opacity: 1;
            transform: translateX(0);
        }
    }

    .nav-menu li:nth-child(1) {
        animation-delay: 0.1s;
    }

    .nav-menu li:nth-child(2) {
        animation-delay: 0.15s;
    }

    .nav-menu li:nth-child(3) {
        animation-delay: 0.2s;
    }

    .nav-menu li:nth-child(4) {
        animation-delay: 0.25s;
    }

    .nav-menu li:nth-child(5) {
        animation-delay: 0.3s;
    }

    .nav-menu a {
        padding: 1rem 2rem;
        border-left: 3px solid transparent;
        transition: all var(--transition-speed) ease;
    }

    .nav-menu a:hover,
    .nav-menu .current-menu-item a {
        border-left-color: var(--nav-accent);
        background: var(--nav-hover-bg);
        padding-left: 2.5rem;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(0, 0, 0, 0.3);
        border: none;
        border-radius: 0;
        margin-top: 0.5rem;
        padding: 0;
    }

    .nav-menu .sub-menu a {
        padding-left: 3rem;
        font-size: 0.95rem;
    }
}

/* ===================================
   BODY SPACING FOR FIXED NAV
   =================================== */
body {
    padding-top: 80px;
}

/* ===================================
   SCROLLED STATE
   =================================== */
.main-header.scrolled {
    box-shadow: var(--nav-shadow);
    background: rgba(10, 10, 15, 0.95);
}

.main-header.scrolled .nav-container {
    height: 70px;
}

/* ===================================
   ACCESSIBILITY
   =================================== */
.nav-menu a:focus,
.nav-toggle:focus {
    outline: 2px solid var(--nav-accent);
    outline-offset: 4px;
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--nav-accent);
    color: var(--nav-bg);
    padding: 8px 16px;
    text-decoration: none;
    font-weight: 600;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

#site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#site-wrapper>main {
    flex: 1;
}