/* ==========================================================================
   Premium Design System & Base Style Reset
   ========================================================================== */

:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-primary: #0a0e1a;
    --bg-secondary: rgba(18, 26, 46, 0.7);
    --bg-tertiary: rgba(28, 38, 65, 0.5);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Category Accent Colors */
    --color-career-start: #1d4ed8;  /* Royal Blue (Trust & Career Consulting) */
    --color-career-end: #0f766e;    /* Deep Teal (Development & Consulting) */
    --color-media-start: #b45309;   /* Amber (Creative Media & Strategy) */
    --color-media-end: #ea580c;     /* Copper (Prestige & Creativity) */
    --color-it-start: #4f46e5;      /* Indigo (Logic & Technology) */
    --color-it-end: #0284c7;        /* Cobalt (Precision Engineering) */
    --color-writing-start: #7c3aed;  /* Violet (Publications & Writing) */
    --color-writing-end: #c084fc;    /* Lavender (Creative Expression) */
    
    /* Neutral Accents */
    --accent-primary-start: #2563eb; /* Trust Indigo Blue */
    --accent-primary-end: #0d9488;   /* Professional Teal Blue */
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: 16px;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    /* Fonts */
    --font-sans: 'Outfit', 'Noto Sans KR', sans-serif;
}

/* Light Mode Override */
body.light-mode {
    --bg-primary: #f6f8fd;
    --bg-secondary: rgba(255, 255, 255, 0.75);
    --bg-tertiary: rgba(240, 244, 253, 0.85);
    --border-color: rgba(0, 0, 0, 0.06);
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --card-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    --glass-blur: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    background: none;
    border: none;
    outline: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 8rem 0;
}

/* ==========================================================================
   Background Decorative Blur Orbs
   ========================================================================== */

.bg-blur-orbs {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    mix-blend-mode: screen;
    animation: floatOrb 25s infinite alternate ease-in-out;
}

body.light-mode .orb {
    opacity: 0.1;
    mix-blend-mode: multiply;
    filter: blur(100px);
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-career-start) 0%, var(--color-career-end) 100%);
    top: -10%;
    left: -10%;
    animation-duration: 20s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-media-start) 0%, var(--color-media-end) 100%);
    bottom: -10%;
    right: -10%;
    animation-duration: 30s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-it-start) 0%, var(--color-it-end) 100%);
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 25s;
}

@keyframes floatOrb {
    0% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }
    50% {
        transform: translate(50px, 80px) scale(1.1) rotate(180deg);
    }
    100% {
        transform: translate(-30px, -50px) scale(0.9) rotate(360deg);
    }
}

/* ==========================================================================
   Typography & Common Elements
   ========================================================================== */

.text-gradient {
    background: linear-gradient(135deg, var(--accent-primary-start) 0%, var(--accent-primary-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-tag {
    font-size: 0.9rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-primary-start);
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.section-subtitle {
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Glassmorphism Common styles */
.glass-panel {
    background: var(--bg-secondary);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.9rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary-start) 0%, var(--accent-primary-end) 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(79, 172, 254, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(79, 172, 254, 0.5);
}

.btn-outline {
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--border-color);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
}

/* Category Accent Classes */
.text-career {
    color: var(--color-career-end);
    background: linear-gradient(135deg, var(--color-career-start), var(--color-career-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-media {
    color: var(--color-media-end);
    background: linear-gradient(135deg, var(--color-media-start), var(--color-media-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-it {
    color: var(--color-it-end);
    background: linear-gradient(135deg, var(--color-it-start), var(--color-it-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.text-writing {
    color: var(--color-writing-end);
    background: linear-gradient(135deg, var(--color-writing-start), var(--color-writing-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-career {
    background: linear-gradient(135deg, var(--color-career-start), var(--color-career-end));
}
.bg-media {
    background: linear-gradient(135deg, var(--color-media-start), var(--color-media-end));
}
.bg-it {
    background: linear-gradient(135deg, var(--color-it-start), var(--color-it-end));
}
.bg-writing {
    background: linear-gradient(135deg, var(--color-writing-start), var(--color-writing-end));
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 1.5rem 0;
}

header.scrolled {
    padding: 1rem 0;
    background: rgba(10, 15, 29, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

body.light-mode header.scrolled {
    background: rgba(246, 248, 253, 0.75);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--text-primary);
}

.logo-accent {
    background: linear-gradient(135deg, var(--color-career-start) 0%, var(--color-it-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu ul {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary-start), var(--accent-primary-end));
    transition: var(--transition-smooth);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    transform: rotate(15deg) scale(1.05);
    background: var(--border-color);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.mobile-menu-btn .bar {
    width: 100%;
    height: 2.5px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Mobile Active Menu Icon */
.mobile-menu-btn.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 100px;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-cta {
    display: flex;
    gap: 1.2rem;
}

.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    width: 380px;
    height: 380px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid transparent;
    background: linear-gradient(135deg, var(--color-career-start), var(--color-it-end)) border-box;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    position: relative;
}

body.light-mode .hero-image-wrapper {
    box-shadow: 0 20px 50px rgba(31, 38, 135, 0.15);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.05);
}

/* Floating Cards in Hero */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.8rem 1.2rem;
    background: rgba(10, 15, 29, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    font-size: 0.9rem;
    font-weight: 600;
    animation: floatAnimation 6s infinite ease-in-out;
}

body.light-mode .floating-card {
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.card-career {
    top: 10%;
    left: -5%;
    border-left: 3px solid var(--color-career-end);
    animation-delay: 0s;
}

.card-career i {
    color: var(--color-career-end);
}

.card-media {
    right: -5%;
    top: 50%;
    border-left: 3px solid var(--color-media-end);
    animation-delay: 2s;
}

.card-media i {
    color: var(--color-media-end);
}

.card-it {
    left: 5%;
    bottom: 5%;
    border-left: 3px solid var(--color-it-end);
    animation-delay: 4s;
}

.card-it i {
    color: var(--color-it-end);
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-12px);
    }
}

/* Scroll Down Mouse */
.scroll-down {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
}

.scroll-down .mouse {
    width: 28px;
    height: 48px;
    border: 2px solid var(--text-secondary);
    border-radius: 20px;
    position: relative;
}

.scroll-down .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--text-primary);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollMouse 1.8s infinite ease-in-out;
}

@keyframes scrollMouse {
    0% {
        opacity: 1;
        top: 8px;
    }
    100% {
        opacity: 0;
        top: 24px;
    }
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 5rem;
    align-items: start;
}

.profile-card-mini {
    background: var(--bg-secondary);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: var(--card-shadow);
}

.mini-profile-img {
    width: 150px;
    height: 200px;
    border-radius: 16px;
    margin: 0 auto 2rem;
    object-fit: cover;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
}

.profile-card-mini h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.profile-card-mini .role-desc {
    font-size: 0.9rem;
    color: var(--accent-primary-start);
    font-weight: 600;
    margin-bottom: 2rem;
}

.profile-info-list {
    text-align: left;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.info-val {
    font-size: 0.95rem;
    color: var(--text-primary);
    word-break: break-all;
}

.info-val-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    align-items: center;
}

.info-val-separator {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.about-intro-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.about-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.skills-container {
    margin-top: 3.5rem;
}

.skills-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 1rem;
}

.skills-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 18px;
    background: linear-gradient(to bottom, var(--accent-primary-start), var(--accent-primary-end));
    border-radius: 2px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.skill-category-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition-smooth);
}

.skill-category-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(30, 41, 70, 0.6);
}

body.light-mode .skill-category-card:hover {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
}

.skill-cat-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.skill-cat-header i {
    font-size: 1.2rem;
}

.skill-cat-header h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.skill-list li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1rem;
}

.skill-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

/* ==========================================================================
   Portfolio Filtering Section
   ========================================================================== */

.filter-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 3.5rem;
}

.portfolio-filters {
    display: inline-flex;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.4rem;
    border-radius: 100px;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.filter-btn {
    padding: 0.65rem 1.6rem;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-btn:hover {
    color: var(--text-primary);
}

.filter-btn.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
}

/* View Toggle */
.view-toggle {
    display: inline-flex;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.4rem;
    border-radius: 100px;
    gap: 0.25rem;
    backdrop-filter: blur(10px);
}

.view-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    font-size: 1rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-toggle-btn:hover {
    color: var(--text-primary);
}

.view-toggle-btn.active {
    background: var(--bg-primary);
    color: var(--accent-primary-start);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border-color);
}

/* List View Mode for Portfolio (Desktops / Tablets) */
@media (min-width: 769px) {
    .portfolio-grid.list-view {
        display: flex;
        flex-direction: column;
        gap: 1.25rem;
    }
    
    .portfolio-grid.list-view .portfolio-card {
        height: auto;
        min-height: unset;
    }
    
    .portfolio-grid.list-view .portfolio-card-content {
        padding: 1.5rem 2.25rem;
        display: grid;
        grid-template-columns: 140px 1.5fr 2.5fr 1.8fr;
        align-items: center;
        gap: 2rem;
        text-align: left;
    }
    
    .portfolio-grid.list-view .card-top {
        margin-bottom: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.4rem;
        text-align: left;
    }
    
    .portfolio-grid.list-view .portfolio-card h3 {
        margin-bottom: 0;
        font-size: 1.15rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: left;
    }
    
    .portfolio-grid.list-view .portfolio-card .card-desc {
        margin-bottom: 0;
        -webkit-line-clamp: 2;
        font-size: 0.9rem;
        text-align: left;
    }
    
    .portfolio-grid.list-view .card-bottom {
        border-top: none;
        padding-top: 0;
        margin-top: 0;
        justify-content: flex-start;
        gap: 1rem;
        width: 100%;
        text-align: left;
    }
    
    /* Ensure institution name stays on 1 line and truncates with ellipsis */
    .portfolio-grid.list-view .card-institution {
        min-width: 0;
        flex: 1;
        display: flex;
        align-items: center;
        gap: 0.4rem;
    }
    
    .portfolio-grid.list-view .card-institution span {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
    }
    
    .portfolio-grid.list-view .admin-card-actions {
        top: 50% !important;
        transform: translateY(-50%) !important;
        right: 2.25rem !important;
    }
    
    body.admin-active .portfolio-grid.list-view .portfolio-card-content {
        grid-template-columns: 140px 1.5fr 2.5fr 2.4fr;
    }
    
    body.admin-active .portfolio-grid.list-view .card-bottom {
        padding-right: 5.5rem;
    }
}

.icon-left {
    margin-right: 0.5rem;
    font-size: 0.85rem;
}

/* Portfolio Cards Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.portfolio-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.portfolio-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--card-accent);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
    border-color: rgba(255, 255, 255, 0.15);
}

body.light-mode .portfolio-card:hover {
    box-shadow: 0 15px 40px rgba(31, 38, 135, 0.12);
}

.portfolio-card-content {
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.card-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    background: var(--card-accent-alpha);
    color: var(--card-accent-color);
    border: 1px solid var(--card-accent-border);
}

.card-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.portfolio-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
    transition: var(--transition-smooth);
}

.portfolio-card:hover h3 {
    color: var(--card-accent-color);
}

.portfolio-card .card-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
    white-space: pre-wrap;
}

.card-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.card-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.card-tag {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

body.light-mode .card-tag {
    background: rgba(0, 0, 0, 0.02);
}

.card-arrow {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.portfolio-card:hover .card-arrow {
    background: var(--card-accent);
    color: #ffffff;
    border-color: transparent;
    transform: translateX(4px);
}

/* ==========================================================================
   Experience Timeline Section
   ========================================================================== */

.timeline-container {
    position: relative;
    max-width: 1050px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, var(--color-career-end), var(--color-it-end));
    transform: translateX(-50%);
    opacity: 0.3;
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 4px solid var(--dot-accent);
    transform: translateX(-50%);
    z-index: 5;
    box-shadow: 0 0 15px var(--dot-accent);
}

.timeline-content-wrapper {
    width: fit-content;
    min-width: 320px;
    max-width: 90%;
}

.timeline-item.left .timeline-content-wrapper {
    grid-column: 1;
    justify-self: end;
    margin-right: 30px;
}

.timeline-item.right .timeline-content-wrapper {
    grid-column: 2;
    justify-self: start;
    margin-left: 30px;
}

.timeline-card {
    padding: 2rem;
    position: relative;
    text-align: left;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 10px;
    width: 0;
    height: 0;
    border-style: solid;
}

.timeline-item.left .timeline-card::before {
    right: -10px;
    border-width: 10px 0 10px 10px;
    border-color: transparent transparent transparent var(--border-color);
}

.timeline-item.right .timeline-card::before {
    left: -10px;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--border-color) transparent transparent;
}

.timeline-card .time {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--timeline-accent);
    margin-bottom: 0.5rem;
    display: block;
}

.timeline-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-card .subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 1rem;
    display: block;
}

.timeline-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.contact-info-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.25rem 1.75rem;
    border-radius: 16px;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    transform: translateX(5px);
    border-color: rgba(255, 255, 255, 0.12);
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.2rem;
}

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

.contact-text .label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.contact-text .val {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-text a.val:hover {
    color: var(--accent-primary-start);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-secondary);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--card-shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem;
    border-radius: 10px;
    color: var(--text-primary);
    transition: var(--transition-smooth);
    width: 100%;
}

.form-group select option {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--accent-primary-start);
    box-shadow: 0 0 10px rgba(79, 172, 254, 0.15);
    background: rgba(30, 41, 70, 0.6);
}

/* ==========================================================================
   Footer Section
   ========================================================================== */

footer {
    border-top: 1px solid var(--border-color);
    background: rgba(10, 15, 29, 0.95);
    padding: 4rem 0;
    position: relative;
    z-index: 10;
}

body.light-mode footer {
    background: #f1f5f9;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.logo-footer {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    display: inline-block;
    margin-bottom: 1rem;
}

.logo-footer span {
    background: linear-gradient(135deg, var(--color-career-start) 0%, var(--color-it-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    white-space: nowrap;
}

@media (max-width: 576px) {
    .footer-desc {
        white-space: normal;
    }
}

.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--accent-primary-start), var(--accent-primary-end));
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-3px);
}

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

/* ==========================================================================
   Details Modal (Details Popup Window)
   ========================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 7, 14, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

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

.modal-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    max-width: 800px;
    width: 100%;
    max-height: 85vh;
    border-radius: 24px;
    overflow-y: auto;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
    position: relative;
    transform: translateY(30px) scale(0.98);
    transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    z-index: 10;
    transition: var(--transition-smooth);
}

.modal-close-btn:hover {
    background: var(--border-color);
    transform: scale(1.05);
}

.modal-header-hero {
    padding: 4rem 3rem 2.5rem;
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.modal-header-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--modal-accent);
}

.modal-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.modal-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    background: var(--modal-accent-alpha);
    color: var(--modal-accent-color);
    border: 1px solid var(--modal-accent-border);
}

.modal-date {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.modal-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.modal-body {
    padding: 3rem;
}

.modal-section {
    margin-bottom: 2.5rem;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    position: relative;
    padding-left: 0.75rem;
}

.modal-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 14px;
    background: var(--modal-accent);
    border-radius: 1px;
}

.modal-desc-long {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    padding-left: 0.75rem;
}

/* Bullet list in Modal */
.modal-bullet-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-bullet-list li {
    font-size: 1rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.modal-bullet-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--modal-accent-color);
    font-weight: bold;
}

/* Tech Spec List in Modal */
.modal-tech-list {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.modal-tech-tag {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.4rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .about-left {
        max-width: 400px;
        margin: 0 auto;
        width: 100%;
    }
    .skills-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    .footer-right {
        align-items: center;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 5rem 0;
    }
    .section-title {
        font-size: 2.2rem;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-image-wrapper {
        width: 280px;
        height: 280px;
    }
    .floating-card {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
    .card-career {
        left: -2%;
        top: 5%;
    }
    .card-media {
        right: -2%;
        top: 45%;
    }
    .card-it {
        left: 2%;
        bottom: 0%;
    }
    
    /* Mobile Menu Drawer style */
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background: rgba(10, 15, 29, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-left: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition-smooth);
        z-index: 999;
    }
    
    body.light-mode .nav-menu {
        background: rgba(246, 248, 253, 0.98);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    /* Timeline Center adjustment for Mobile */
    .timeline-container::before {
        left: 2rem;
    }
    
    .timeline-item {
        display: block;
        margin-bottom: 3rem;
    }
    
    .timeline-dot {
        left: 2rem;
    }
    
    .timeline-content-wrapper {
        width: calc(100% - 4rem) !important;
        max-width: 100% !important;
        margin-left: auto !important;
        margin-right: 0 !important;
    }
    
    .timeline-item.left .timeline-content-wrapper {
        margin-right: 0;
    }
    
    .timeline-item.right .timeline-content-wrapper {
        margin-left: auto;
    }
    
    .timeline-item.left .timeline-card::before {
        left: -10px;
        right: auto;
        border-width: 10px 10px 10px 0;
        border-color: transparent var(--border-color) transparent transparent;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .contact-form-wrapper {
        padding: 2rem;
    }
    
    .modal-content {
        max-height: 90vh;
        border-radius: 16px;
    }
    .modal-header-hero {
        padding: 3rem 2rem 2rem;
    }
    .modal-title {
        font-size: 1.75rem;
    }
    .modal-body {
        padding: 2rem;
    }
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1s forwards cubic-bezier(0.25, 0.8, 0.25, 1);
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.3s; }
.fade-in:nth-child(3) { animation-delay: 0.5s; }
.fade-in:nth-child(4) { animation-delay: 0.7s; }

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

.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

/* ==========================================================================
   Admin Mode & CMS Styles
   ========================================================================== */

/* Toggle Button in Header */
.admin-toggle-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-smooth);
}

.admin-toggle-btn:hover {
    transform: scale(1.05);
    background: var(--border-color);
}

.admin-toggle-btn.active {
    background: linear-gradient(135deg, var(--accent-primary-start), var(--accent-primary-end));
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.admin-toggle-btn.active:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

/* Page Layout Shift when Admin Banner is visible */
body.admin-active {
    padding-top: 36px;
}

body.admin-active header {
    top: 36px;
}

@media (max-width: 768px) {
    body.admin-active {
        padding-top: 56px;
    }
    body.admin-active header {
        top: 56px;
    }
}

/* Card Hover Admin Actions */
.admin-card-actions {
    opacity: 0;
    transform: translateY(-5px);
    transition: var(--transition-smooth);
}

.portfolio-card:hover .admin-card-actions,
.skill-category-card:hover .admin-card-actions,
.timeline-card:hover .admin-card-actions {
    opacity: 1;
    transform: translateY(0);
}

/* If touch screen / mobile, show admin actions always so they can edit */
@media (max-width: 1024px) {
    .admin-card-actions {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-edit-btn, .admin-delete-btn {
    transition: var(--transition-smooth);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.admin-edit-btn:hover {
    background: var(--accent-primary-start) !important;
    color: #ffffff !important;
    border-color: var(--accent-primary-start) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.admin-delete-btn:hover {
    background: #f43f5e !important;
    color: #ffffff !important;
    border-color: #f43f5e !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.35);
}

/* Admin Modals & Form Fields (Light / Dark Adaptive) */
#admin-modal input,
#admin-modal select,
#admin-modal textarea {
    transition: var(--transition-smooth);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

#admin-modal input:focus,
#admin-modal select:focus,
#admin-modal textarea:focus {
    border-color: var(--accent-primary-start) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15), inset 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    background: rgba(28, 38, 65, 0.7) !important;
}

body.light-mode #admin-modal input,
body.light-mode #admin-modal select,
body.light-mode #admin-modal textarea {
    background: #f8fafc !important;
    border-color: rgba(0, 0, 0, 0.1) !important;
    color: #1e293b !important;
}

body.light-mode #admin-modal input:focus,
body.light-mode #admin-modal select:focus,
body.light-mode #admin-modal textarea:focus {
    background: #ffffff !important;
    border-color: var(--accent-primary-start) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.05) !important;
}

/* Premium Light Mode modal content overrides */
body.light-mode .modal-content {
    background: #ffffff;
    box-shadow: 0 25px 60px rgba(31, 38, 135, 0.12);
}

/* Scrollbar customization for administrative forms inside modal */
#project-form::-webkit-scrollbar {
    width: 6px;
}

#project-form::-webkit-scrollbar-track {
    background: transparent;
}

#project-form::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

#project-form::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================================================
   Floating Navigator (FAB & Quick Nav Panel)
   ========================================================================== */
.floating-navigator {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
    opacity: 0;
    transform: translateY(15px);
    pointer-events: none;
    transition: opacity 0.4s ease, transform 0.4s ease, var(--transition-smooth);
}

.floating-navigator.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.nav-toggle-fab {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary-start), var(--accent-primary-end));
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    transition: var(--transition-smooth);
    border: none;
    outline: none;
    position: relative;
}

.nav-toggle-fab::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    border: 1px solid var(--accent-primary-start);
    opacity: 0.4;
    animation: pulseWave 2s infinite;
    pointer-events: none;
}

@keyframes pulseWave {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.nav-toggle-fab:hover {
    transform: rotate(45deg) scale(1.05);
    box-shadow: 0 6px 25px rgba(37, 99, 235, 0.6);
}

.nav-menu-panel {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    border-radius: 16px;
    gap: 0.5rem;
    opacity: 0;
    transform: translateY(15px) scale(0.9);
    pointer-events: none;
    transition: var(--transition-smooth);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.floating-navigator.active .nav-menu-panel,
.floating-navigator:hover .nav-menu-panel {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.panel-item {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.panel-item span {
    position: absolute;
    right: 50px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0;
    transform: translateX(10px);
    pointer-events: none;
    transition: var(--transition-smooth);
    white-space: nowrap;
    box-shadow: var(--card-shadow);
}

.panel-item:hover span {
    opacity: 1;
    transform: translateX(0);
}

.panel-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.panel-item.scroll-top {
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 10px 10px;
    padding-top: 0.5rem;
    margin-top: 0.25rem;
    height: 44px;
    color: var(--accent-primary-start);
}

.panel-item.scroll-top:hover {
    background: rgba(37, 99, 235, 0.1);
    color: var(--accent-primary-end);
}

/* Adjust floating navigator position on small screens */
@media (max-width: 768px) {
    .floating-navigator {
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .panel-item span {
        display: none;
    }
}

/* KakaoTalk Image Icon Styles in Social Links */
.social-links a img.kakao-icon {
    width: 1.2rem;
    height: 1.2rem;
    object-fit: contain;
    transition: var(--transition-smooth);
    filter: invert(0.7) brightness(1.2);
}

body.light-mode .social-links a img.kakao-icon {
    filter: invert(0.3) brightness(0.8);
}

.social-links a:hover img.kakao-icon {
    filter: brightness(0) invert(1);
}

/* Contact Details SNS Individual Icons Styling */
.contact-sns-link {
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
    transition: var(--transition-smooth);
}

.contact-sns-link:last-child {
    margin-bottom: 0;
}

.contact-sns-link i {
    font-size: 1rem;
    width: 1.1rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-sns-link img.kakao-icon {
    width: 1.05rem;
    height: 1.05rem;
    object-fit: contain;
    transition: var(--transition-smooth);
    filter: invert(0.7) brightness(1.2);
}

body.light-mode .contact-sns-link img.kakao-icon {
    filter: invert(0.3) brightness(0.8);
}

/* Hover effect on Kakao icon matching font-hover color */
.contact-sns-link:hover img.kakao-icon {
    filter: invert(61%) sepia(74%) saturate(2250%) hue-rotate(182deg) brightness(102%) contrast(99%);
}