@charset "utf-8";

/* ========================================
   Nexus Layout - Main Stylesheet
   AI 시대의 현대적인 레이아웃
   ======================================== */

/* ----------------------------------------
   CSS Custom Properties (Variables)
   ---------------------------------------- */
:root {
    /* Colors - Dark Mode (Default) */
    --nx-bg-primary: #0a0a0f;
    --nx-bg-secondary: #12121a;
    --nx-bg-tertiary: #1a1a25;
    --nx-bg-card: rgba(255, 255, 255, 0.03);
    --nx-bg-card-hover: rgba(255, 255, 255, 0.06);
    --nx-bg-glass: rgba(18, 18, 26, 0.8);

    --nx-text-primary: #e8e8ed;
    --nx-text-secondary: #9898a6;
    --nx-text-muted: #6b6b78;

    --nx-accent-1: #6366f1;
    --nx-accent-2: #8b5cf6;
    --nx-accent-3: #ec4899;
    --nx-gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --nx-gradient-subtle: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);

    --nx-border-color: rgba(255, 255, 255, 0.08);
    --nx-border-hover: rgba(255, 255, 255, 0.15);

    --nx-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --nx-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --nx-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --nx-shadow-glow: 0 0 30px rgba(99, 102, 241, 0.3);

    /* Typography */
    --nx-font-primary: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --nx-font-heading: 'Inter', var(--nx-font-primary);
    --nx-font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

    --nx-text-xs: 0.75rem;
    --nx-text-sm: 0.875rem;
    --nx-text-base: 1rem;
    --nx-text-lg: 1.125rem;
    --nx-text-xl: 1.25rem;
    --nx-text-2xl: 1.5rem;
    --nx-text-3xl: 1.875rem;
    --nx-text-4xl: 2.25rem;
    --nx-text-5xl: 3rem;
    --nx-text-6xl: 3.75rem;

    /* Spacing */
    --nx-space-1: 0.25rem;
    --nx-space-2: 0.5rem;
    --nx-space-3: 0.75rem;
    --nx-space-4: 1rem;
    --nx-space-5: 1.25rem;
    --nx-space-6: 1.5rem;
    --nx-space-8: 2rem;
    --nx-space-10: 2.5rem;
    --nx-space-12: 3rem;
    --nx-space-16: 4rem;
    --nx-space-20: 5rem;
    --nx-space-24: 6rem;

    /* Layout */
    --nx-container-max: 1400px;
    --nx-container-narrow: 1200px;
    --nx-header-height: 72px;
    --nx-header-height-scrolled: 64px;

    /* Transitions */
    --nx-transition-fast: 150ms ease;
    --nx-transition-base: 250ms ease;
    --nx-transition-slow: 400ms ease;
    --nx-transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border Radius */
    --nx-radius-sm: 6px;
    --nx-radius-md: 10px;
    --nx-radius-lg: 16px;
    --nx-radius-xl: 24px;
    --nx-radius-full: 9999px;

    /* Z-index */
    --nx-z-dropdown: 100;
    --nx-z-sticky: 200;
    --nx-z-fixed: 300;
    --nx-z-overlay: 400;
    --nx-z-modal: 500;
}

/* Light Mode */
[data-theme="light"] {
    --nx-bg-primary: #f8f9fc;
    --nx-bg-secondary: #ffffff;
    --nx-bg-tertiary: #f0f1f5;
    --nx-bg-card: rgba(0, 0, 0, 0.02);
    --nx-bg-card-hover: rgba(0, 0, 0, 0.04);
    --nx-bg-glass: rgba(255, 255, 255, 0.9);

    --nx-text-primary: #1a1a2e;
    --nx-text-secondary: #555566;
    --nx-text-muted: #888899;

    --nx-accent-1: #4f46e5;
    --nx-accent-2: #7c3aed;
    --nx-accent-3: #db2777;
    --nx-gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
    --nx-gradient-subtle: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);

    --nx-border-color: rgba(0, 0, 0, 0.08);
    --nx-border-hover: rgba(0, 0, 0, 0.15);

    --nx-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --nx-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --nx-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
    --nx-shadow-glow: 0 0 30px rgba(79, 70, 229, 0.2);
}

/* ----------------------------------------
   Reset & Base
   ---------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--nx-font-primary);
    font-size: var(--nx-text-base);
    line-height: 1.6;
    color: var(--nx-text-primary);
    background-color: var(--nx-bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    font-family: var(--nx-font-heading);
    font-weight: 700;
    line-height: 1.3;
}

p {
    margin: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--nx-transition-fast);
}

a:hover {
    color: var(--nx-accent-1);
}

ul,
ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip Navigation */
.nx-skip-nav {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--nx-space-3) var(--nx-space-6);
    background: var(--nx-gradient-primary);
    color: white;
    font-weight: 600;
    border-radius: var(--nx-radius-md);
    z-index: var(--nx-z-modal);
    transition: top var(--nx-transition-fast);
}

.nx-skip-nav:focus {
    top: var(--nx-space-4);
}

/* ----------------------------------------
   Container
   ---------------------------------------- */
.nx-container {
    width: 100%;
    max-width: var(--nx-container-max);
    margin: 0 auto;
    padding: 0 var(--nx-space-6);
}

.nx-container--narrow {
    max-width: var(--nx-container-narrow);
}

/* ----------------------------------------
   Layout Wrapper
   ---------------------------------------- */
.nx-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.nx-layout.has-fixed-header {
    padding-top: var(--nx-header-height);
}

/* ----------------------------------------
   Header
   ---------------------------------------- */
.nx-header {
    position: relative;
    width: 100%;
    height: var(--nx-header-height);
    background: var(--nx-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--nx-border-color);
    z-index: var(--nx-z-fixed);
    transition: all var(--nx-transition-base);
}

.nx-header.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
}

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

.nx-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--nx-space-8);
}

/* Logo */
.nx-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: var(--nx-space-3);
}

.nx-logo__image {
    height: 36px;
    width: auto;
    transition: transform var(--nx-transition-base);
}

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

.nx-logo__text {
    font-size: var(--nx-text-xl);
    font-weight: 700;
    background: var(--nx-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.nx-nav {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nx-nav__list {
    display: flex;
    align-items: center;
    gap: var(--nx-space-1);
}

.nx-nav__item {
    position: relative;
}

.nx-nav__link {
    display: flex;
    align-items: center;
    gap: var(--nx-space-2);
    padding: var(--nx-space-3) var(--nx-space-4);
    font-size: var(--nx-text-sm);
    font-weight: 500;
    color: var(--nx-text-secondary);
    border-radius: var(--nx-radius-md);
    transition: all var(--nx-transition-fast);
}

.nx-nav__link:hover,
.nx-nav__link.is-active {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
}

.nx-nav__link.is-active {
    color: var(--nx-accent-1);
}

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

.nx-nav__item.has-children:hover>.nx-nav__link::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.nx-nav__dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 200px;
    padding: var(--nx-space-2);
    background: var(--nx-bg-secondary);
    border: 1px solid var(--nx-border-color);
    border-radius: var(--nx-radius-lg);
    box-shadow: var(--nx-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--nx-transition-fast);
}

.nx-nav__item.has-children:hover>.nx-nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nx-nav__dropdown-item {
    display: block;
    padding: var(--nx-space-3) var(--nx-space-4);
    font-size: var(--nx-text-sm);
    color: var(--nx-text-secondary);
    border-radius: var(--nx-radius-sm);
    transition: all var(--nx-transition-fast);
}

.nx-nav__dropdown-item:hover {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
}

/* Header Actions */
.nx-header__actions {
    display: flex;
    align-items: center;
    gap: var(--nx-space-2);
}

/* Icon Button */
.nx-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--nx-text-secondary);
    border-radius: var(--nx-radius-md);
    transition: all var(--nx-transition-fast);
}

.nx-icon-btn:hover {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
}

.nx-icon-btn svg {
    width: 20px;
    height: 20px;
}

/* Theme Toggle */
.nx-theme-toggle {
    position: relative;
}

.nx-theme-toggle__icon--dark,
[data-theme="light"] .nx-theme-toggle__icon--light {
    display: none;
}

[data-theme="light"] .nx-theme-toggle__icon--dark {
    display: block;
}

/* User Menu */
.nx-user-menu {
    position: relative;
}

.nx-user-menu__trigger {
    display: flex;
    align-items: center;
    gap: var(--nx-space-2);
    padding: var(--nx-space-2);
    border-radius: var(--nx-radius-full);
    transition: all var(--nx-transition-fast);
}

.nx-user-menu__trigger:hover {
    background: var(--nx-bg-card-hover);
}

.nx-user-menu__avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--nx-radius-full);
    object-fit: cover;
    border: 2px solid var(--nx-border-color);
}

.nx-user-menu__dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    padding: var(--nx-space-2);
    background: var(--nx-bg-secondary);
    border: 1px solid var(--nx-border-color);
    border-radius: var(--nx-radius-lg);
    box-shadow: var(--nx-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--nx-transition-fast);
}

.nx-user-menu:hover .nx-user-menu__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nx-user-menu__item {
    display: flex;
    align-items: center;
    gap: var(--nx-space-3);
    padding: var(--nx-space-3) var(--nx-space-4);
    font-size: var(--nx-text-sm);
    color: var(--nx-text-secondary);
    border-radius: var(--nx-radius-sm);
    transition: all var(--nx-transition-fast);
}

.nx-user-menu__item:hover {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
}

.nx-user-menu__divider {
    height: 1px;
    margin: var(--nx-space-2);
    background: var(--nx-border-color);
}

/* Mobile Menu Button */
.nx-mobile-menu-btn {
    display: none;
}

/* Search Overlay */
.nx-search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--nx-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: var(--nx-z-overlay);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
    opacity: 0;
    visibility: hidden;
    transition: all var(--nx-transition-base);
}

.nx-search-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

.nx-search-overlay__inner {
    width: 100%;
    max-width: 600px;
    padding: 0 var(--nx-space-6);
    transform: translateY(-20px);
    transition: transform var(--nx-transition-base);
}

.nx-search-overlay.is-active .nx-search-overlay__inner {
    transform: translateY(0);
}

.nx-search-overlay__input {
    width: 100%;
    padding: var(--nx-space-5);
    font-size: var(--nx-text-2xl);
    color: var(--nx-text-primary);
    background: var(--nx-bg-secondary);
    border: 2px solid var(--nx-border-color);
    border-radius: var(--nx-radius-xl);
    outline: none;
    transition: border-color var(--nx-transition-fast);
}

.nx-search-overlay__input:focus {
    border-color: var(--nx-accent-1);
}

.nx-search-overlay__input::placeholder {
    color: var(--nx-text-muted);
}

.nx-search-overlay__close {
    position: absolute;
    top: var(--nx-space-6);
    right: var(--nx-space-6);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nx-text-secondary);
    border-radius: var(--nx-radius-full);
    transition: all var(--nx-transition-fast);
}

.nx-search-overlay__close:hover {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.nx-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--nx-space-24) 0;
    overflow: hidden;
}

.nx-hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.nx-hero__bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
}

.nx-hero__bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 1px 1px, var(--nx-border-color) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.5;
}

.nx-hero__bg-image {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
}

.nx-hero__canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.nx-hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    padding: 0 var(--nx-space-6);
}

.nx-hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--nx-space-2);
    padding: var(--nx-space-2) var(--nx-space-4);
    margin-bottom: var(--nx-space-6);
    font-size: var(--nx-text-sm);
    font-weight: 500;
    color: var(--nx-accent-1);
    background: var(--nx-gradient-subtle);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--nx-radius-full);
}

.nx-hero__badge-dot {
    width: 8px;
    height: 8px;
    background: var(--nx-accent-1);
    border-radius: var(--nx-radius-full);
    animation: pulse 2s infinite;
}

.nx-hero__title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--nx-space-6);
    letter-spacing: -0.02em;
}

.nx-hero__title-gradient {
    background: var(--nx-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nx-hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--nx-text-secondary);
    margin-bottom: var(--nx-space-10);
    line-height: 1.7;
}

.nx-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--nx-space-4);
    justify-content: center;
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.nx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--nx-space-2);
    padding: var(--nx-space-4) var(--nx-space-8);
    font-size: var(--nx-text-base);
    font-weight: 600;
    border-radius: var(--nx-radius-lg);
    transition: all var(--nx-transition-base);
    cursor: pointer;
    border: none;
}

.nx-btn--primary {
    color: white;
    background: var(--nx-gradient-primary);
    box-shadow: var(--nx-shadow-glow);
}

.nx-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.4);
}

.nx-btn--secondary {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card);
    border: 1px solid var(--nx-border-color);
}

.nx-btn--secondary:hover {
    background: var(--nx-bg-card-hover);
    border-color: var(--nx-border-hover);
    transform: translateY(-2px);
}

.nx-btn svg {
    width: 18px;
    height: 18px;
}

/* ----------------------------------------
   Sub Header
   ---------------------------------------- */
.nx-sub-header {
    position: relative;
    padding: var(--nx-space-16) 0;
    background: var(--nx-bg-secondary);
    border-bottom: 1px solid var(--nx-border-color);
}

.nx-sub-header__bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--nx-gradient-subtle);
    opacity: 0.5;
}

.nx-sub-header__content {
    position: relative;
    z-index: 1;
}

.nx-sub-header__title {
    font-size: var(--nx-text-3xl);
    font-weight: 700;
    margin-bottom: var(--nx-space-3);
}

.nx-sub-header__breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--nx-space-2);
    font-size: var(--nx-text-sm);
    color: var(--nx-text-muted);
}

.nx-sub-header__breadcrumb a:hover {
    color: var(--nx-accent-1);
}

.nx-sub-header__breadcrumb-separator {
    color: var(--nx-text-muted);
}

/* ----------------------------------------
   Main Content Area
   ---------------------------------------- */
.nx-main {
    flex: 1;
    padding: var(--nx-space-12) 0;
}

.nx-main__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--nx-space-10);
}

.nx-main__inner.has-sidebar {
    grid-template-columns: 1fr 280px;
}

.nx-main__inner.has-sidebar--left {
    grid-template-columns: 280px 1fr;
}

.nx-content {
    min-width: 0;
}

/* Sidebar */
.nx-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--nx-space-6);
}

.nx-sidebar__widget {
    padding: var(--nx-space-6);
    background: var(--nx-bg-card);
    border: 1px solid var(--nx-border-color);
    border-radius: var(--nx-radius-lg);
}

.nx-sidebar__widget-title {
    font-size: var(--nx-text-lg);
    font-weight: 600;
    margin-bottom: var(--nx-space-4);
    padding-bottom: var(--nx-space-3);
    border-bottom: 1px solid var(--nx-border-color);
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.nx-footer {
    background: var(--nx-bg-secondary);
    border-top: 1px solid var(--nx-border-color);
}

.nx-footer__main {
    padding: var(--nx-space-16) 0;
}

.nx-footer__grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--nx-space-12);
}

.nx-footer__brand {
    max-width: 300px;
}

.nx-footer__logo {
    margin-bottom: var(--nx-space-4);
}

.nx-footer__logo-img {
    height: 32px;
    width: auto;
}

.nx-footer__logo-text {
    font-size: var(--nx-text-xl);
    font-weight: 700;
    background: var(--nx-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nx-footer__description {
    color: var(--nx-text-secondary);
    font-size: var(--nx-text-sm);
    line-height: 1.7;
    margin-bottom: var(--nx-space-6);
}

.nx-footer__social {
    display: flex;
    gap: var(--nx-space-3);
}

.nx-footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--nx-text-muted);
    background: var(--nx-bg-card);
    border-radius: var(--nx-radius-md);
    transition: all var(--nx-transition-fast);
}

.nx-footer__social-link:hover {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
    transform: translateY(-2px);
}

.nx-footer__social-link svg {
    width: 18px;
    height: 18px;
}

.nx-footer__column-title {
    font-size: var(--nx-text-sm);
    font-weight: 600;
    color: var(--nx-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--nx-space-5);
}

.nx-footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--nx-space-3);
}

.nx-footer__link {
    font-size: var(--nx-text-sm);
    color: var(--nx-text-secondary);
    transition: color var(--nx-transition-fast);
}

.nx-footer__link:hover {
    color: var(--nx-accent-1);
}

.nx-footer__bottom {
    padding: var(--nx-space-6) 0;
    border-top: 1px solid var(--nx-border-color);
}

.nx-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--nx-space-4);
}

.nx-footer__copyright {
    font-size: var(--nx-text-sm);
    color: var(--nx-text-muted);
}

.nx-footer__bottom-links {
    display: flex;
    gap: var(--nx-space-6);
}

.nx-footer__bottom-link {
    font-size: var(--nx-text-sm);
    color: var(--nx-text-muted);
}

.nx-footer__bottom-link:hover {
    color: var(--nx-accent-1);
}

/* ----------------------------------------
   Back to Top Button
   ---------------------------------------- */
.nx-back-to-top {
    position: fixed;
    bottom: var(--nx-space-8);
    right: var(--nx-space-8);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background: var(--nx-gradient-primary);
    border-radius: var(--nx-radius-full);
    box-shadow: var(--nx-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--nx-transition-base);
    z-index: var(--nx-z-sticky);
}

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

.nx-back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--nx-shadow-glow);
}

.nx-back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ----------------------------------------
   Mobile Menu Overlay
   ---------------------------------------- */
.nx-mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--nx-bg-primary);
    z-index: var(--nx-z-overlay);
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: all var(--nx-transition-base);
}

.nx-mobile-menu.is-active {
    opacity: 1;
    visibility: visible;
}

.nx-mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--nx-space-4) var(--nx-space-6);
    border-bottom: 1px solid var(--nx-border-color);
}

.nx-mobile-menu__nav {
    flex: 1;
    overflow-y: auto;
    padding: var(--nx-space-6);
}

.nx-mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--nx-space-2);
}

.nx-mobile-menu__link {
    display: block;
    padding: var(--nx-space-4);
    font-size: var(--nx-text-lg);
    font-weight: 500;
    color: var(--nx-text-secondary);
    border-radius: var(--nx-radius-md);
    transition: all var(--nx-transition-fast);
}

.nx-mobile-menu__link:hover,
.nx-mobile-menu__link.is-active {
    color: var(--nx-text-primary);
    background: var(--nx-bg-card-hover);
}

.nx-mobile-menu__submenu {
    padding-left: var(--nx-space-6);
    margin-top: var(--nx-space-2);
}

.nx-mobile-menu__submenu-link {
    display: block;
    padding: var(--nx-space-3) var(--nx-space-4);
    font-size: var(--nx-text-base);
    color: var(--nx-text-muted);
}

/* ----------------------------------------
   Animations
   ---------------------------------------- */
@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

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

.nx-animate-fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.nx-animate-delay-1 {
    animation-delay: 0.1s;
}

.nx-animate-delay-2 {
    animation-delay: 0.2s;
}

.nx-animate-delay-3 {
    animation-delay: 0.3s;
}

.nx-animate-delay-4 {
    animation-delay: 0.4s;
}

/* ----------------------------------------
   Responsive Design
   ---------------------------------------- */
@media (max-width: 1200px) {
    .nx-footer__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--nx-space-8);
    }

    .nx-footer__brand {
        max-width: 100%;
    }
}

@media (max-width: 992px) {
    .nx-nav {
        display: none;
    }

    .nx-mobile-menu-btn {
        display: flex;
    }

    .nx-main__inner.has-sidebar,
    .nx-main__inner.has-sidebar--left {
        grid-template-columns: 1fr;
    }

    .nx-sidebar {
        order: 2;
    }
}

@media (max-width: 768px) {
    :root {
        --nx-header-height: 64px;
    }

    .nx-hero {
        min-height: auto;
        padding: var(--nx-space-16) 0;
    }

    .nx-hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .nx-hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .nx-btn {
        width: 100%;
        max-width: 300px;
    }

    .nx-footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .nx-footer__brand {
        margin: 0 auto;
    }

    .nx-footer__social {
        justify-content: center;
    }

    .nx-footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .nx-container {
        padding: 0 var(--nx-space-4);
    }

    .nx-sub-header {
        padding: var(--nx-space-10) 0;
    }

    .nx-main {
        padding: var(--nx-space-8) 0;
    }
}

/* ----------------------------------------
   Utility Classes
   ---------------------------------------- */
.nx-text-gradient {
    background: var(--nx-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nx-glass {
    background: var(--nx-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}



/* Clearfix */
.nx-clearfix::after {
    content: '';
    display: table;
    clear: both;
}

/* ========================================
   Nexus Layout Improvements (Added)
   ======================================== */

/* Refined Header Glassmorphism */
.nx-header {
    background: rgba(10, 10, 15, 0.7) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
}

[data-theme="light"] .nx-header {
    background: rgba(255, 255, 255, 0.7) !important;
}

/* Better Mobile Menu Spacing */
.nx-mobile-menu__link {
    padding: 1rem 1.5rem !important;
    font-size: 1.1rem !important;
}

/* User Menu Enhancements */
.nx-user-menu__dropdown {
    background: var(--nx-bg-secondary) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5) !important;
}