/* ==========================================================================
   CLICK DESIGN CSS Core Design System
   ========================================================================== */

:root {
    /* Pure Deep Black Color Palette (Gorilla Studio Style) */
    --bg-primary: hsl(0, 0%, 2%);
    --bg-secondary: hsl(0, 0%, 6%);
    --bg-tertiary: hsl(0, 0%, 9%);
    
    --text-primary: hsl(0, 0%, 98%);
    --text-secondary: hsl(0, 0%, 75%);
    --text-muted: hsl(0, 0%, 48%);
    
    --accent: hsl(19, 100%, 50%); /* Vibrant Coral Orange (#ff5000) */
    --accent-rgb: 255, 80, 0;
    --accent-light: hsl(19, 100%, 65%);
    
    --glass-bg: rgba(5, 5, 5, 0.85);
    --glass-border: rgba(255, 255, 255, 0.06);
    --glass-border-focus: rgba(255, 80, 0, 0.4);
    
    /* Typography */
    --font-primary: 'Outfit', 'Noto Sans KR', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-normal: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body:not(.admin-page),
body:not(.admin-page) * {
    cursor: none; /* Hide default cursor for custom cursor experience */
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-primary);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Custom Cursor */
.custom-cursor {
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10000;
    transition: width 0.2s, height 0.2s;
}

.custom-cursor-follower {
    width: 40px;
    height: 40px;
    border: 1px solid rgba(247, 152, 18, 0.4);
    border-radius: 50%;
    position: fixed;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    transition: transform 0.08s ease-out, width 0.2s, height 0.2s, background-color 0.2s;
}

/* Hover States for Custom Cursor */
.hovering-link .custom-cursor {
    width: 24px;
    height: 24px;
    background-color: rgba(247, 152, 18, 0.3);
}
.hovering-link .custom-cursor-follower {
    width: 50px;
    height: 50px;
    border-color: var(--accent);
    background-color: rgba(247, 152, 18, 0.05);
}

/* Container */
.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    text-transform: uppercase;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-primary);
    border: 1px solid var(--accent);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent);
    box-shadow: 0 0 20px rgba(247, 152, 18, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Header & GNB */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 25px 0;
    transition: var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    padding: 15px 0;
    background-color: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    color: var(--accent);
    transition: transform var(--transition-normal);
}

.logo:hover .logo-icon {
    transform: rotate(12deg) scale(1.1);
}

.logo-accent {
    color: var(--accent);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    gap: 35px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
    padding: 6px 0;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition-normal);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-normal);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--bg-secondary);
        z-index: 999;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .nav-link {
        font-size: 1.3rem;
    }

    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
}

/* Hero Section */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg-slider .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
}

.hero-bg-slider .slide.active {
    opacity: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
    text-align: center;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--accent);
    margin-bottom: 20px;
    display: block;
}

.hero-title {
    font-size: 5rem;
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -2px;
    margin-bottom: 30px;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-title .title-bold {
    font-weight: 800;
    color: var(--text-primary);
    display: block;
}

.hero-title .title-light {
    font-weight: 300;
    color: var(--text-secondary);
    font-size: 3rem;
    text-transform: lowercase;
    margin-top: 10px;
    letter-spacing: -1px;
    display: block;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 45px;
    font-weight: 300;
    line-height: 1.7;
    letter-spacing: 0.2px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
        padding: 0 40px;
    }
}

.hero-slider-dots {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    gap: 15px;
}

.hero-slider-dots .dot {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transition: var(--transition-normal);
}

.hero-slider-dots .dot.active {
    background-color: var(--accent);
    border-color: var(--accent);
    transform: scale(1.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 50px;
    right: 80px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.scroll-text {
    font-size: 0.7rem;
    letter-spacing: 3px;
    font-weight: 600;
    color: var(--text-secondary);
    writing-mode: vertical-lr;
    transform: rotate(180deg);
}

.scroll-mouse {
    width: 1px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.scroll-wheel {
    width: 1px;
    height: 20px;
    background-color: var(--accent);
    position: absolute;
    top: -20px;
    left: 0;
    animation: scrollLineAnimation 2s infinite ease-in-out;
}

@keyframes scrollLineAnimation {
    0% {
        top: -20px;
    }
    50% {
        top: 60px;
    }
    100% {
        top: 60px;
    }
}

@media (max-width: 768px) {
    .scroll-indicator {
        display: none;
    }
}

/* Sections Global */
.portfolio-section, .about-section, .contact-section {
    padding: 140px 0;
    background-color: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
}

.section-tag {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.divider {
    width: 60px;
    height: 3px;
    background-color: var(--accent);
    margin: 20px auto 0;
}

@media (max-width: 768px) {
    .portfolio-section, .about-section, .contact-section {
        padding: 90px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Portfolio Filters */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.filter-btn {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px 30px;
}

@media (max-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    background-color: transparent;
    border: none;
    box-shadow: none;
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 15px;
    cursor: pointer;
}

.portfolio-card {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.card-img-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 0 5px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.portfolio-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    transition: color var(--transition-fast);
}

.portfolio-item:hover .portfolio-title {
    color: var(--accent);
}

.portfolio-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

/* About Section */
.about-section {
    background-color: var(--bg-secondary);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 4.5fr 7.5fr;
    gap: 70px;
    align-items: center;
}

@media (max-width: 991px) {
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

.about-profile {
    display: flex;
    justify-content: center;
}

.profile-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 30px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.profile-frame {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.profile-avatar {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
    transition: transform 0.5s ease;
}

.profile-avatar:hover {
    transform: scale(1.05);
}

.avatar-overlay-text {
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

.profile-name {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.profile-title {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.profile-location {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.about-content .section-title {
    text-align: left;
}

.about-content .divider {
    margin: 20px 0 35px 0;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 300;
}

.skills-container {
    margin-top: 40px;
}

.skills-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.skill-bar-wrapper {
    margin-bottom: 20px;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.skill-track {
    width: 100%;
    height: 4px;
    background-color: var(--bg-primary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.skill-fill {
    height: 100%;
    background-color: var(--accent);
    border-radius: var(--radius-full);
    width: 0; /* Dynamic loading via JS */
    transition: width 1.5s cubic-bezier(0.1, 1, 0.1, 1);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 60px;
}

@media (max-width: 991px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

.info-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 40px;
    height: 100%;
}

.info-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.info-card p {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-weight: 300;
}

.contact-details-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-details-list li {
    display: flex;
    align-items: center;
    gap: 20px;
}

.detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    color: var(--accent);
}

.detail-text {
    display: flex;
    flex-direction: column;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-value {
    font-size: 1rem;
    font-weight: 500;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.floating-group {
    position: relative;
    width: 100%;
}

.floating-group input, 
.floating-group textarea, 
.floating-group select {
    width: 100%;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid var(--glass-border);
    padding: 12px 0;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
    outline: none;
    transition: border-color var(--transition-normal);
}

.floating-group textarea {
    resize: none;
}

.floating-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
    background-repeat: no-repeat;
    background-position: right center;
    border-radius: 0;
}

/* Floating Label Animation */
.floating-group label {
    position: absolute;
    top: 12px;
    left: 0;
    font-size: 1rem;
    color: var(--text-muted);
    pointer-events: none;
    transition: transform var(--transition-normal) ease, font-size var(--transition-normal) ease, color var(--transition-normal) ease;
}

.floating-group input:focus ~ label,
.floating-group input:not(:placeholder-shown) ~ label,
.floating-group textarea:focus ~ label,
.floating-group textarea:not(:placeholder-shown) ~ label {
    transform: translateY(-25px);
    font-size: 0.8rem;
    color: var(--accent);
}

.floating-group select:focus ~ label,
.floating-group select:valid ~ label {
    transform: translateY(-25px);
    font-size: 0.8rem;
    color: var(--accent);
}

.floating-group input:focus, 
.floating-group textarea:focus, 
.floating-group select:focus {
    border-color: var(--accent);
}

.btn-submit {
    border-radius: var(--radius-sm);
    width: 100%;
    cursor: none;
}

.form-feedback-message {
    font-size: 0.95rem;
    margin-top: 10px;
    text-align: center;
    min-height: 24px;
}

.form-feedback-message.success {
    color: hsl(140, 70%, 50%);
}

.form-feedback-message.error {
    color: hsl(0, 80%, 60%);
}

/* Footer */
.main-footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--glass-border);
    padding: 40px 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-socials {
    display: flex;
    gap: 25px;
}

.footer-socials a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition-fast);
}

.footer-socials a:hover {
    color: var(--accent);
}

@media (max-width: 600px) {
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* Project Detail Modal */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.project-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(6, 8, 12, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal-content-wrapper {
    position: relative;
    z-index: 2001;
    width: fit-content;
    max-width: 90%;
    max-height: 90vh;
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    transform: scale(0.9);
    transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    display: flex;
    flex-direction: column;
    min-width: 350px;
}

.project-modal.active .modal-content-wrapper {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 25px;
    right: 25px;
    z-index: 10;
    background: rgba(12, 14, 18, 0.8);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-size: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.modal-close-btn:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
}

.modal-image-panel {
    background-color: #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

.modal-image-panel img {
    max-width: 90vw;
    max-height: 90vh;
    width: auto;
    height: auto;
    object-fit: contain; /* 원본 비율 유지 */
    display: block;
}

.modal-category {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

/* Scroll To Top */
.scroll-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
}

.scroll-to-top-btn.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.scroll-to-top-btn:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
    transform: translateY(-5px);
}

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Admin Mode CRUD UI Styles
   ========================================================================== */

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.admin-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.admin-toggle-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.admin-toggle-btn.active {
    background-color: rgba(247, 152, 18, 0.15);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 10px rgba(247, 152, 18, 0.2);
}

.admin-toggle-btn.active .lock-icon {
    transform: scale(1.1);
}

/* Add New Item Grid Card */
.portfolio-item.add-new-item {
    aspect-ratio: 16 / 10;
    border: 2px dashed rgba(247, 152, 18, 0.3);
    background-color: rgba(247, 152, 18, 0.02);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.portfolio-item.add-new-item:hover {
    border-color: var(--accent);
    background-color: rgba(247, 152, 18, 0.05);
    transform: translateY(-5px);
}

.add-card-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    color: var(--accent);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

/* Card Admin Actions Panel */
.card-admin-actions {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 10;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .card-admin-actions {
    opacity: 1;
}

.admin-action-btn {
    background-color: rgba(12, 14, 18, 0.85);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 6px 14px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.admin-action-btn.edit-btn:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.admin-action-btn.delete-btn:hover {
    background-color: hsl(0, 80%, 55%);
    color: white;
    border-color: hsl(0, 80%, 55%);
}

/* Form Modal Styling */
.form-modal-wrapper {
    max-width: 750px;
    height: auto;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-form-container {
    padding: 40px;
}

@media (max-width: 768px) {
    .modal-form-container {
        padding: 30px 20px;
    }
}

.project-form {
    margin-top: 30px;
}

.file-upload-row {
    align-items: center;
    gap: 20px;
}

.file-group {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 10px;
}

.file-label-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-normal);
}

.file-label-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
}

.file-name-display {
    font-size: 0.85rem;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}

.image-preview-group {
    margin-bottom: 25px;
}

.preview-title {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.image-preview-box {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-preview-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.image-preview-box img[src=""] {
    display: none;
}

.image-preview-box img:not([src=""]) {
    display: block;
}

.form-actions-row {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 40px;
}

.form-actions-row .btn {
    width: auto;
    min-width: 140px;
}

/* ==========================================================================
   Admin Dashboard & Portal Styles
   ========================================================================== */

.admin-login-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

.admin-login-wrapper.hidden {
    opacity: 0;
    pointer-events: none;
}

.login-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
}

.login-icon-box {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(247, 152, 18, 0.1);
    border: 1px solid var(--accent);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
}

.login-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 40px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.login-feedback {
    min-height: 20px;
    font-size: 0.85rem;
    color: hsl(0, 80%, 60%);
    text-align: center;
}

/* Dashboard Layout */
.admin-dashboard {
    min-height: 100vh;
    background-color: var(--bg-primary);
    padding: 130px 0 60px 0;
}

.admin-header {
    background-color: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 100;
}

.admin-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .admin-header-container {
        padding: 0 20px;
    }
}

.admin-title-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.admin-badge {
    background-color: var(--accent);
    color: var(--bg-primary);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.admin-nav-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 50px;
}

.stats-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: var(--transition-normal);
}

.stats-card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stats-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.stats-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--accent);
}

/* Dashboard Action Bar */
.dashboard-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 20px;
}

.action-bar-title {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.action-bar-title span {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* modern table styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 900px;
}

.admin-table th, .admin-table td {
    padding: 18px 24px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.95rem;
    vertical-align: middle;
}

.admin-table th {
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tr:hover td {
    background-color: rgba(255, 255, 255, 0.015);
}

.table-thumb {
    width: 80px;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.cat-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background-color: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
}

.cat-badge.birds-eye {
    background-color: rgba(247, 152, 18, 0.1);
    color: var(--accent);
    border-color: rgba(247, 152, 18, 0.2);
}

.cat-badge.perspective {
    background-color: rgba(0, 150, 255, 0.1);
    color: hsl(205, 100%, 65%);
    border-color: rgba(0, 150, 255, 0.2);
}

.cat-badge.interior {
    background-color: rgba(0, 230, 120, 0.1);
    color: hsl(150, 100%, 60%);
    border-color: rgba(0, 230, 120, 0.2);
}

.cat-badge.simulation {
    background-color: rgba(210, 50, 255, 0.1);
    color: hsl(285, 100%, 75%);
    border-color: rgba(210, 50, 255, 0.2);
}

.table-actions {
    display: flex;
    gap: 8px;
}

.table-btn {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-normal);
}

.table-btn.edit-btn:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}

.table-btn.delete-btn:hover {
    background-color: hsl(0, 80%, 55%);
    color: white;
    border-color: hsl(0, 80%, 55%);
}

.admin-portal-link {
    font-size: 0.75rem !important;
    border: 1px solid var(--glass-border);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.admin-portal-link:hover {
    background-color: rgba(255,255,255,0.05);
}

/* Restore standard browser cursor on the admin dashboard */
.admin-page, 
.admin-page * {
    cursor: default;
}

.admin-page input[type="text"],
.admin-page input[type="password"],
.admin-page textarea {
    cursor: text !important;
}

.admin-page a, 
.admin-page button, 
.admin-page .btn, 
.admin-page .table-btn, 
.admin-page .file-label-btn,
.admin-page select,
.admin-page input[type="file"] {
    cursor: pointer !important;
}

/* ==========================================================================
   Hero Slider Management Styles
   ========================================================================== */

.slides-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 25px;
}

.slide-admin-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.slide-admin-thumb-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-color: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.slide-admin-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-admin-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: rgba(12, 14, 18, 0.85);
    border: 1px solid var(--glass-border);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 1px;
}

.slide-admin-card .delete-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(220, 50, 50, 0.9);
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
    transition: var(--transition-fast);
    z-index: 5;
}

.slide-admin-card .delete-btn:hover {
    background-color: hsl(0, 80%, 55%);
    transform: scale(1.1);
}

.slide-admin-inputs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.slide-admin-inputs input[type="text"] {
    width: 100%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 0.85rem;
    color: var(--text-primary);
    outline: none;
    font-family: var(--font-primary);
    transition: border-color var(--transition-normal);
}

.slide-admin-inputs input[type="text"]:focus {
    border-color: var(--accent);
}

.slide-file-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.slide-file-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    flex-grow: 1;
}

.slide-file-label:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* ==========================================================================
   Image Protection & Toast Notification Styles
   ========================================================================== */
img {
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    user-select: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

.toast-notification {
    position: fixed;
    bottom: 50px;
    left: 50%;
    transform: translate(-50%, 50px);
    background-color: rgba(10, 10, 10, 0.95);
    border: 1px solid var(--accent);
    color: var(--text-primary);
    padding: 15px 30px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px rgba(255, 80, 0, 0.2);
    z-index: 11000;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toast-notification.active {
    transform: translate(-50%, 0);
    opacity: 1;
}

.toast-icon {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.1rem;
}