/* CSS Variables */
:root {
    --primary-color: #00ff88;
    --secondary-color: #ff6b35;
    --accent-color: #00d4ff;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-accent: #00ff88;
    --border-color: #333333;
    --danger-color: #ff4757;
    --warning-color: #ffa502;
    --success-color: #2ed573;
    
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Rajdhani', sans-serif;
    
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);
    --shadow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-orange: 0 0 20px rgba(255, 107, 53, 0.3);
}

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

body {
    font-family: var(--font-secondary);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--bg-primary), var(--bg-secondary));
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-content {
    text-align: center;
    color: var(--text-primary);
}

.tactical-logo {
    margin-bottom: 2rem;
}

.tactical-logo i {
    font-size: 4rem;
    color: var(--primary-color);
    text-shadow: var(--shadow-glow);
    animation: pulse 2s infinite;
}

.tactical-logo h1 {
    font-family: var(--font-primary);
    font-size: 2rem;
    margin-top: 1rem;
    letter-spacing: 3px;
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: var(--bg-tertiary);
    margin: 2rem auto;
    border-radius: 2px;
    overflow: hidden;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    width: 0%;
    animation: loading 3s ease-in-out;
}

@keyframes loading {
    0% { width: 0%; }
    50% { width: 60%; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Navigation */
.tactical-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: var(--shadow-glow);
}

.nav-brand i {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.admin-link {
    color: var(--secondary-color) !important;
}

.admin-link:hover {
    color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
    box-shadow: var(--shadow-orange) !important;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Container */
.main-container {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.section {
    min-height: 100vh;
    padding: 2rem 2rem 4rem 2rem;
    display: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.section.active {
    display: block;
    opacity: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/* Reduce spacing for about section */
#about .section-header {
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    color: var(--primary-color);
    text-shadow: var(--shadow-glow);
    margin-bottom: 1rem;
}

/* Enhanced Admin Section Header */
#admin .section-header {
    position: relative;
    padding: 2rem 0;
    margin-bottom: 3rem;
}

#admin .section-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

#admin .section-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

#admin .section-header h2 {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 
        0 0 20px rgba(0, 255, 136, 0.8),
        0 0 40px rgba(0, 255, 136, 0.4),
        0 0 60px rgba(0, 255, 136, 0.2);
    animation: admin-title-glow 3s ease-in-out infinite alternate;
    position: relative;
}

#admin .section-header h2::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 10px;
    animation: header-scan 4s linear infinite;
}

#admin .section-header h2::after {
    content: 'CLASSIFIED ACCESS';
    position: absolute;
    top: -40px;
    right: 0;
    font-size: 0.4rem;
    color: var(--accent-color);
    letter-spacing: 2px;
    opacity: 0.7;
    animation: classify-blink 2s ease-in-out infinite;
}

@keyframes header-scan {
    0% { 
        border-color: rgba(0, 255, 136, 0.2);
        box-shadow: none;
    }
    25% { 
        border-color: rgba(0, 255, 136, 0.6);
        box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    }
    50% { 
        border-color: rgba(0, 212, 255, 0.6);
        box-shadow: 0 0 15px rgba(0, 212, 255, 0.4);
    }
    75% { 
        border-color: rgba(0, 255, 136, 0.6);
        box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
    }
    100% { 
        border-color: rgba(0, 255, 136, 0.2);
        box-shadow: none;
    }
}

@keyframes classify-blink {
    0%, 70% { opacity: 0.7; }
    71%, 100% { opacity: 0.3; }
}

#admin .section-header h2 i {
    color: var(--accent-color);
    margin-right: 1rem;
    filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.8));
}

@keyframes admin-title-glow {
    0% {
        text-shadow: 
            0 0 20px rgba(0, 255, 136, 0.8),
            0 0 40px rgba(0, 255, 136, 0.4),
            0 0 60px rgba(0, 255, 136, 0.2);
    }
    100% {
        text-shadow: 
            0 0 30px rgba(0, 255, 136, 1),
            0 0 60px rgba(0, 255, 136, 0.6),
            0 0 90px rgba(0, 255, 136, 0.3);
    }
}

.section-line {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto;
}

/* Hero Section */
.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 80vh;
}

.rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(45deg, var(--bg-secondary), var(--bg-tertiary));
    padding: 1rem 2rem;
    border-radius: 50px;
    border: 2px solid var(--primary-color);
    margin-bottom: 2rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    letter-spacing: 2px;
}

.rank-icon {
    color: var(--warning-color);
    font-size: 1.2rem;
}

.hero-title {
    margin-bottom: 2rem;
}

.glitch {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 900;
    color: var(--primary-color);
    text-shadow: var(--shadow-glow);
    display: block;
    position: relative;
    animation: glitch 3s infinite;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 3px;
    margin-top: 1rem;
}

@keyframes glitch {
    0%, 100% { transform: translate(0); }
    2% { transform: translate(-2px, 2px); }
    4% { transform: translate(-2px, -2px); }
    6% { transform: translate(2px, 2px); }
    8% { transform: translate(2px, -2px); }
    10% { transform: translate(-2px, 2px); }
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin: 3rem 0;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    text-shadow: var(--shadow-blue);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.hero-actions {
    display: flex;
    gap: 2rem;
    margin-top: 3rem;
}

.btn-primary,
.btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--bg-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

/* Tactical Display */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tactical-display {
    width: 400px;
    height: 400px;
    position: relative;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1), transparent);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.tactical-display::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.tactical-display::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(0deg, transparent, var(--primary-color), transparent);
    opacity: 0.3;
}

.radar-container {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 50%;
    overflow: hidden;
}

.radar-grid {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
}

.radar-circle {
    position: absolute;
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radar-circle:nth-child(1) { width: 25%; height: 25%; }
.radar-circle:nth-child(2) { width: 50%; height: 50%; }
.radar-circle:nth-child(3) { width: 75%; height: 75%; }

.radar-sweep {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 3px;
    height: 50%;
    background: linear-gradient(to bottom, rgba(0, 255, 136, 1), rgba(0, 255, 136, 0.3));
    transform-origin: bottom center;
    animation: radar-sweep 6s linear infinite;
    z-index: 5;
    box-shadow: 0 0 15px rgba(0, 255, 136, 0.8);
}

.radar-sweep::before {
    content: '';
    position: absolute;
    top: 0;
    left: -25px;
    width: 53px;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 255, 136, 0.1) 20%,
        rgba(0, 255, 136, 0.4) 40%,
        rgba(0, 255, 136, 0.8) 50%, 
        rgba(0, 255, 136, 0.4) 60%,
        rgba(0, 255, 136, 0.1) 80%,
        transparent
    );
    filter: blur(2px);
}

.radar-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #ff3030;
    border-radius: 50%;
    border: 1px solid #ff5555;
    box-shadow: 
        0 0 10px #ff3030,
        0 0 20px rgba(255, 48, 48, 0.6),
        inset 0 0 5px rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    z-index: 10;
    pointer-events: none;
    transition: none; /* No transitions for instant state changes */
}

/* Hidden state - completely invisible until swept */
.radar-dot.radar-hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translate(-50%, -50%) scale(0) !important;
    display: none !important;
}

/* Revealed state - dramatic appearance when detected */
.radar-dot.radar-revealed {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translate(-50%, -50%) scale(1) !important;
    display: block !important;
    animation: sonar-detection 0.8s ease-out forwards, sonar-active-pulse 2s ease-out infinite 0.8s;
}

/* Fading state - when contact is being removed */
.radar-dot.radar-fading {
    animation: sonar-contact-fade 1s ease-in forwards !important;
}

/* Legacy support for old classes */
.radar-dot.sonar-reveal {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translate(-50%, -50%) scale(1) !important;
    animation: sonar-detection 0.8s ease-out forwards, sonar-active-pulse 2s ease-out infinite 0.8s;
}

.radar-dot.sonar-fade {
    animation: sonar-contact-fade 1s ease-in forwards !important;
}

.radar-dot.revealed {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
    animation: sonar-detection 0.5s ease-out, sonar-active-pulse 2s ease-in-out infinite 0.5s;
}

.radar-dot.fading {
    animation: sonar-contact-fade 1s ease-out forwards;
}

/* Sonar detection animation - dramatic reveal when first detected */
@keyframes sonar-detection {
    0% { 
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
        box-shadow: 0 0 0 rgba(255, 48, 48, 0);
    }
    25% { 
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(2.5);
        box-shadow: 
            0 0 30px #ff3030,
            0 0 60px rgba(255, 48, 48, 1),
            0 0 90px rgba(255, 48, 48, 0.6);
    }
    50% { 
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.8);
        box-shadow: 
            0 0 25px #ff3030,
            0 0 50px rgba(255, 48, 48, 0.9),
            0 0 75px rgba(255, 48, 48, 0.5);
    }
    100% { 
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 
            0 0 10px #ff3030,
            0 0 20px rgba(255, 48, 48, 0.6),
            inset 0 0 5px rgba(255, 255, 255, 0.3);
    }
}

@keyframes sonar-reveal {
    0% { 
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
        box-shadow: 0 0 0 rgba(255, 48, 48, 0);
    }
    50% { 
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.5);
        box-shadow: 
            0 0 20px #ff3030,
            0 0 40px rgba(255, 48, 48, 0.8),
            0 0 60px rgba(255, 48, 48, 0.4);
    }
    100% { 
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 
            0 0 10px #ff3030,
            0 0 20px rgba(255, 48, 48, 0.6),
            inset 0 0 5px rgba(255, 255, 255, 0.3);
    }
}

/* Active pulse animation - ongoing pulse for detected contacts */
@keyframes sonar-active-pulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
        box-shadow: 
            0 0 10px #ff3030,
            0 0 20px rgba(255, 48, 48, 0.6),
            inset 0 0 5px rgba(255, 255, 255, 0.3);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.4);
        opacity: 0.8;
        box-shadow: 
            0 0 18px #ff3030,
            0 0 35px rgba(255, 48, 48, 0.8),
            0 0 50px rgba(255, 48, 48, 0.4),
            inset 0 0 8px rgba(255, 255, 255, 0.5);
    }
}

/* Contact fade out animation - when contact disappears from sonar */
@keyframes sonar-contact-fade {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 
            0 0 10px #ff3030,
            0 0 20px rgba(255, 48, 48, 0.6);
    }
    50% {
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(0.6);
        box-shadow: 
            0 0 5px #ff3030,
            0 0 10px rgba(255, 48, 48, 0.3);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.1);
        box-shadow: 0 0 0 rgba(255, 48, 48, 0);
    }
}

.radar-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-glow);
    z-index: 15;
}

.radar-center::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    border: 1px solid var(--primary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: radar-center-pulse 2s infinite;
}

@keyframes radar-sweep {
    0% { transform: translate(-50%, -100%) rotate(0deg); }
    100% { transform: translate(-50%, -100%) rotate(360deg); }
}

@keyframes sonar-fade-out {
    0% { 
        opacity: 0.8; 
        transform: scale(1);
    }
    100% { 
        opacity: 0; 
        transform: scale(0.3);
    }
}

@keyframes radar-center-pulse {
    0%, 100% { 
        opacity: 1; 
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 0.5; 
        transform: translate(-50%, -50%) scale(1.5);
    }
}

/* Arsenal Section (Combined Skills + Certifications) */
.arsenal-subsection {
    margin-bottom: 3rem;
}

.subsection-header {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
}

.subsection-header h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.subsection-header i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.skill-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transition: left 0.5s ease;
}

.skill-card:hover::before {
    left: 100%;
}

.skill-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
    transform: translateY(-5px);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.skill-header i {
    font-size: 2rem;
    color: var(--primary-color);
}

.skill-header h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--text-primary);
}

.skill-progress {
    margin: 1.2rem 0;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.7rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.skill-name span:first-child {
    color: var(--text-primary);
}

.skill-name span:last-child {
    color: #ffffff;
    font-family: 'Orbitron', monospace;
    font-size: 0.9rem;
    font-weight: 700;
    background: var(--bg-tertiary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    width: 0%;
    transition: width 2.5s ease-out;
    position: relative;
}

.progress-fill.animate {
    transition-delay: 0.3s;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 10px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2));
}

@keyframes progress-shine {
    0% { transform: translateX(-20px); }
    100% { transform: translateX(20px); }
}

/* Projects Grid */
.projects-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.project-image {
    height: 200px;
    background: linear-gradient(45deg, var(--bg-tertiary), var(--bg-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image i {
    font-size: 4rem;
    color: var(--primary-color);
    text-shadow: 0 0 8px rgba(0, 255, 136, 0.1);
}

.project-content {
    padding: 2rem;
}

.project-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tech-tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

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

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--accent-color);
    text-shadow: var(--shadow-blue);
}

/* Timeline */
.timeline {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
    transform: translateX(-50%);
}

.timeline-item {
    margin: 3rem 0;
    position: relative;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    width: 45%;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-content:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    transform: translateX(-50%);
    box-shadow: var(--shadow-glow);
    z-index: 2;
}

.company-name {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.job-title {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.job-period {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.job-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.contact-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-card h3 {
    font-family: var(--font-primary);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Costa Rica Location Card Styling */
.location-card {
    position: relative;
    overflow: visible;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.location-visual {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 1rem;
    gap: 1rem;
}

.location-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    text-align: center;
}

.location-content i {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.location-content h3 {
    font-family: var(--font-primary);
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.location-content p {
    color: var(--text-secondary);
    margin: 0;
}

.costa-rica-map {
    width: 120px;
    height: 120px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.costa-rica-flag {
    width: 100px;
    height: 60px;
    object-fit: cover;
    border-radius: 5px;
    border: 1px solid rgba(0, 255, 136, 0.3);
    transition: all 0.3s ease;
}

.location-card:hover .costa-rica-map {
    transform: scale(1.05);
}

.location-card:hover .costa-rica-flag {
    transform: scale(1.03);
}

/* Contact card links styling */
.contact-card a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-card a:hover {
    color: var(--primary-color);
}

.contact-form {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
}

.contact-form h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 1rem;
    margin-bottom: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.contact-form textarea {
    height: 120px;
    resize: vertical;
}

/* Admin Section - Simplified to match main theme */
#admin {
    position: relative;
    background: linear-gradient(45deg, var(--bg-primary), var(--bg-secondary));
    min-height: 100vh;
}

.admin-login {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.security-notice {
    background: linear-gradient(45deg, #ff4757, #ff6b35);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    font-family: var(--font-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(255, 71, 87, 0.4);
    animation: security-pulse 2s infinite;
}

.security-notice i {
    margin-right: 0.5rem;
    animation: security-blink 1s infinite;
}

@keyframes security-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes security-blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.5; }
}

.login-form {
    background: rgba(26, 26, 26, 0.95);
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    padding: 3rem;
    position: relative;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 255, 136, 0.2);
}

.login-form h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    font-size: 1.4rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    position: relative;
}

.login-form h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.security-badge {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.4);
    position: relative;
    overflow: hidden;
}

.security-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: conic-gradient(
        transparent 0deg,
        transparent 300deg,
        rgba(255, 255, 255, 0.6) 320deg,
        rgba(255, 255, 255, 0.3) 340deg,
        transparent 360deg
    );
    animation: security-scan 3s linear infinite;
}

.security-badge::after {
    content: '';
    position: absolute;
    top: 15%;
    left: 15%;
    right: 15%;
    bottom: 15%;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-top: 2px solid rgba(0, 255, 136, 0.6);
    animation: security-scan 2s linear infinite reverse;
}

@keyframes security-scan {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.security-badge i {
    font-size: 2rem;
    color: var(--bg-primary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    z-index: 2;
    position: relative;
}

.access-level {
    margin-bottom: 1.5rem;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.access-level span:first-child {
    color: var(--text-primary);
    font-weight: 600;
}

.level-classified {
    color: var(--accent-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

.security-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.security-footer i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

#admin-password {
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 25px;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.3);
}

#admin-password:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 
        inset 0 2px 5px rgba(0, 0, 0, 0.3),
        0 0 20px rgba(0, 255, 136, 0.4);
    background: var(--bg-secondary);
}

#admin-password::placeholder {
    color: var(--text-secondary);
    font-style: italic;
}

.login-form .btn-primary {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 25px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    border: none;
    color: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 5px 15px rgba(0, 255, 136, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.login-form .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.login-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(0, 255, 136, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.login-form .btn-primary:hover::before {
    left: 100%;
}

.login-form .btn-primary:active {
    transform: translateY(0);
    box-shadow: 
        0 3px 10px rgba(0, 255, 136, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.login-form .btn-primary i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.admin-panel {
    max-width: 1000px;
    margin: 0 auto;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--primary-color);
    border-radius: 10px;
    box-shadow: var(--shadow-glow);
}

.admin-header h3 {
    font-family: var(--font-primary);
    color: var(--primary-color);
    margin: 0;
    font-size: 1.2rem;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 0.9rem;
}

.logout-btn:hover {
    background: #ff3838;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(255, 71, 87, 0.3);
}

.admin-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-secondary);
    font-weight: 600;
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--secondary-color);
    color: var(--bg-primary);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow-orange);
}

.admin-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 1rem;
    max-width: 1300px;
    margin: 0 auto;
    align-items: start;
}

.about-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.about-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-shrink: 0;
}

.card-header i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.card-header h3 {
    font-family: var(--font-primary);
    color: var(--text-primary);
}

/* Ensure content areas fill remaining space */
.profile-info,
.achievements {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Achievement Items Styling */
.achievement-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(0, 255, 255, 0.05);
    border-radius: 10px;
    border-left: 3px solid var(--primary-color);
    border: 1px solid rgba(0, 255, 255, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    transform: translateZ(0) translateX(0);
    -webkit-transform: translateZ(0) translateX(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: transform;
}

.achievement-item:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateZ(0) translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 255, 255, 0.2);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.achievement-icon {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0.5rem;
    transition: all 0.3s ease;
    transform: translateZ(0) scale(1);
    -webkit-transform: translateZ(0) scale(1);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: transform;
}

.achievement-item:hover .achievement-icon {
    color: var(--accent-color);
    transform: translateZ(0) scale(1.1);
    text-shadow: 0 0 10px var(--accent-color);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.achievement-content h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.achievement-item:hover .achievement-content h5 {
    color: var(--primary-color);
}

.achievement-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.achievement-item:hover .achievement-content p {
    color: var(--text-primary);
}

.achievement-metric {
    color: var(--accent-color);
    font-weight: 600;
    font-family: var(--font-mono);
    transition: all 0.3s ease;
}

.achievement-item:hover .achievement-metric {
    color: #FFD700;
    text-shadow: 0 0 5px #FFD700;
}

/* Profile Picture Section */
.profile-container {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.profile-picture-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 180px;
}

.profile-rank {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 0.8rem;
}

.rank-stars {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.4rem;
}

.rank-stars i {
    color: #FFD700;
    font-size: 1.1rem;
    text-shadow: 0 0 10px #FFD700;
    animation: starGlow 2s ease-in-out infinite alternate;
}

.rank-stars i:nth-child(2) {
    animation-delay: 0.3s;
}

.rank-stars i:nth-child(3) {
    animation-delay: 0.6s;
}

.rank-title {
    font-family: var(--font-primary);
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.profile-picture {
    position: relative;
    width: 170px;
    height: 170px;
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    transform: translateZ(0) scale(1);
    -webkit-transform: translateZ(0) scale(1);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: transform;
}

.profile-picture:hover {
    border-color: var(--primary-color);
    box-shadow: 
        0 0 20px rgba(0, 255, 255, 0.3),
        inset 0 0 20px rgba(0, 255, 255, 0.1);
    transform: translateZ(0) scale(1.05);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.profile-picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
    transform: translateZ(0) scale(1);
    -webkit-transform: translateZ(0) scale(1);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: transform;
}

.profile-picture:hover img {
    transform: translateZ(0) scale(1.1);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.picture-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-radius: 13px;
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: destination-out;
    mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.profile-picture:hover .picture-border {
    opacity: 1;
}

.profile-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.profile-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
    transform: translateZ(0) translateX(0);
    -webkit-transform: translateZ(0) translateX(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: transform;
}

.profile-item:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateZ(0) translateX(5px);
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.profile-item i {
    color: var(--primary-color);
    font-size: 1.2rem;
    min-width: 20px;
}

.profile-item span {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.profile-item strong {
    color: var(--text-primary);
}

.profile-linkedin-link {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.profile-linkedin-link:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    text-shadow: 0 0 5px var(--accent-color);
}

.profile-summary {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.1);
    border-radius: 10px;
}

.profile-summary h4 {
    color: var(--primary-color);
    font-family: var(--font-primary);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
}

.profile-summary p {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
}

.profile-note {
    margin-top: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 215, 0, 0.1);
    border: 1px solid rgba(255, 215, 0, 0.3);
    border-radius: 8px;
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.profile-note a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.profile-note a:hover {
    color: #FFD700;
    text-shadow: 0 0 5px #FFD700;
}

@keyframes starGlow {
    from {
        text-shadow: 0 0 5px #FFD700;
        transform: scale(1);
    }
    to {
        text-shadow: 0 0 15px #FFD700, 0 0 25px #FFD700;
        transform: scale(1.1);
    }
}

/* Responsive adjustments for profile */
@media (max-width: 768px) {
    .profile-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
        margin-bottom: 1rem;
    }
    
    .profile-picture {
        width: 140px;
        height: 140px;
    }
    
    .profile-details {
        width: 100%;
        gap: 0.6rem;
    }
    
    .profile-summary {
        margin-top: 1rem;
        padding: 1rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Mobile Menu Active States */
    .nav-menu.active {
        display: flex !important;
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        z-index: 1000;
        border-top: 2px solid var(--accent-color);
        animation: slideDown 0.3s ease-out;
        box-shadow: 
            0 5px 25px rgba(0, 255, 136, 0.3),
            inset 0 1px 0 rgba(0, 255, 136, 0.2);
    }
    
    .nav-menu.active::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, 
            transparent,
            var(--accent-color),
            var(--secondary-color),
            var(--accent-color),
            transparent
        );
        animation: scan-line 2s linear infinite;
    }
    
    .nav-menu.active a {
        padding: 15px 20px;
        margin: 5px 0;
        border: 1px solid rgba(0, 255, 136, 0.3);
        border-radius: 8px;
        background: rgba(0, 255, 136, 0.1);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .nav-menu.active a::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, 
            transparent, 
            rgba(0, 255, 136, 0.2), 
            transparent
        );
        transition: left 0.5s ease;
    }
    
    .nav-menu.active a:hover {
        background: rgba(0, 255, 136, 0.2);
        border-color: var(--accent-color);
        transform: translateX(10px);
        box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
    }
    
    .nav-menu.active a:hover::before {
        left: 100%;
    }
    
    /* Enhanced Hamburger Animation */
    .hamburger.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
        background: var(--accent-color);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
        background: var(--accent-color);
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    @keyframes scan-line {
        0% { transform: translateX(-100%); }
        100% { transform: translateX(100%); }
    }
    
    /* Body overlay when mobile menu is open */
    body.mobile-menu-open {
        overflow: hidden;
    }
    
    body.mobile-menu-open::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(2px);
        z-index: 999;
        animation: fadeIn 0.3s ease-out;
    }
    
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .glitch {
        font-size: 2.5rem;
    }
    
    .tactical-display {
        width: 300px;
        height: 300px;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        max-width: 100%;
        padding: 0 1rem;
    }
    
    /* Mobile Contact Card Fixes */
    .contact-info {
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    /* Mobile Location Card Layout */
    .location-card {
        min-height: auto;
        padding: 1rem;
    }
    
    .location-visual {
        flex-direction: column;
        gap: 1rem;
        padding: 0.5rem;
        align-items: center;
    }
    
    .location-content {
        order: 1;
        margin-bottom: 1rem;
    }
    
    .location-content i {
        font-size: 1.5rem;
    }
    
    .location-content h3 {
        font-size: 1rem;
        margin-bottom: 0.3rem;
    }
    
    .costa-rica-map {
        width: 80px;
        height: 80px;
        order: 2;
    }
    
    .costa-rica-flag {
        width: 70px;
        height: 42px;
        order: 3;
    }
    
    /* Contact Form Mobile */
    .contact-form {
        padding: 1.5rem;
    }
    
    .contact-form h3 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 50px;
    }
    
    .timeline-content {
        width: 100%;
    }
    
    .timeline-dot {
        left: 20px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .admin-tabs {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .section {
        padding: 1.5rem 1rem 2rem 1rem;
    }
    
    #about .section-header {
        margin-bottom: 2rem;
    }
    
    .tactical-nav {
        padding: 0 1rem;
    }
    
    .projects-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    /* Extra small mobile fixes for contact section */
    .contact-grid {
        gap: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .contact-card {
        padding: 1rem;
    }
    
    .location-visual {
        padding: 0.25rem;
        gap: 0.75rem;
    }
    
    .costa-rica-map {
        width: 60px;
        height: 60px;
    }
    
    .costa-rica-flag {
        width: 50px;
        height: 30px;
    }
    
    .contact-form {
        padding: 1rem;
    }
    
    .contact-form input,
    .contact-form select,
    .contact-form textarea {
        padding: 0.75rem;
    }
}

/* ===================== ENHANCED ADMIN PANEL STYLES ===================== */

.admin-section {
    background: var(--bg-secondary);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.admin-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--primary-color);
}

.admin-section .section-header h3 {
    color: var(--primary-color);
    font-family: var(--font-primary);
    margin: 0;
}

.admin-section .section-header p {
    color: var(--text-secondary);
    margin: 0.5rem 0 0 0;
    font-size: 0.9rem;
}

/* Enhanced Form Styles */
.admin-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group label i {
    margin-right: 0.5rem;
    width: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-style: italic;
    opacity: 0.8;
}

/* Icon Picker Styles */
.icon-picker-container {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.icon-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: rgba(0, 255, 255, 0.05);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 8px;
    min-height: 50px;
}

.icon-preview i {
    font-size: 1.5rem;
    color: var(--primary-color);
    min-width: 30px;
    text-align: center;
}

.icon-preview span {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 1;
}

.icon-picker-container select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.8rem;
    color: var(--text-primary);
    font-family: var(--font-secondary);
    transition: all 0.3s ease;
}

.icon-picker-container select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* Admin Item Lists */
.admin-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.admin-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.2);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.item-header h4 {
    color: var(--primary-color);
    margin: 0;
    font-family: var(--font-primary);
}

.item-header h4 i {
    margin-right: 0.5rem;
    color: var(--accent-color);
}

.item-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Item Ordering Controls */
/* Sortable List and Drag & Drop */
.sortable-list {
    min-height: 100px;
}

.sortable-item {
    cursor: move;
    transition: all 0.3s ease;
    position: relative;
}

.sortable-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

.sortable-item.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
    z-index: 1000;
}

.drag-handle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    cursor: grab;
    margin-right: 0.5rem;
}

.drag-handle:active {
    cursor: grabbing;
}

.drag-handle i {
    font-size: 1rem;
    transition: color 0.3s ease;
}

.sortable-item:hover .drag-handle i {
    color: var(--primary-color);
}

/* Item Ordering Controls */
.item-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.order-badge {
    background: var(--primary-color);
    color: var(--bg-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    font-size: 0.8rem;
    min-width: 30px;
    text-align: center;
}

.order-controls {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-right: 0.5rem;
}

.btn-order {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
    width: 28px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-order:hover:not(:disabled) {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: scale(1.05);
}

.btn-order:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.item-content {
    padding: 1.5rem;
}

.item-content p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.item-content strong {
    color: var(--primary-color);
}

.category-tag {
    background: var(--primary-color);
    color: var(--bg-primary);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Button Styles */
.btn-edit,
.btn-delete,
.btn-add {
    padding: 0.5rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

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

.btn-edit:hover {
    background: #0099ff;
    transform: translateY(-2px);
}

.btn-delete {
    background: #ff4757;
    color: white;
}

.btn-delete:hover {
    background: #ff3742;
    transform: translateY(-2px);
}

.btn-add {
    background: var(--primary-color);
    color: var(--bg-primary);
}

.btn-add:hover {
    background: #00cc6a;
    transform: translateY(-2px);
}

/* Form Container */
.form-container {
    background: var(--bg-tertiary);
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    animation: slideIn 0.3s ease-out;
}

.form-container h4 {
    color: var(--primary-color);
    font-family: var(--font-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Theme Management */
.themes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.theme-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 255, 136, 0.3);
}

.theme-card.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.5);
}

.theme-preview {
    width: 100%;
    height: 80px;
    border-radius: 10px;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.preview-header {
    height: 20px;
    display: flex;
    align-items: center;
    padding: 0 10px;
    gap: 5px;
}

.preview-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.preview-content {
    padding: 10px;
    height: 60px;
}

.preview-line {
    height: 4px;
    border-radius: 2px;
    margin-bottom: 5px;
}

.preview-line.short {
    width: 60%;
}

.theme-card h4 {
    color: var(--primary-color);
    margin: 0 0 1rem 0;
    font-family: var(--font-primary);
}

.btn-theme {
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-theme:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.btn-theme.active {
    background: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

/* Data Management */
.data-management-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.export-section,
.import-section {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
}

.export-section h4,
.import-section h4 {
    color: var(--primary-color);
    font-family: var(--font-primary);
    margin-bottom: 1rem;
}

.export-section p,
.import-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Admin Tab Enhancements */
.admin-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 1rem;
}

.admin-controls {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 15px;
    border: 2px solid var(--primary-color);
}

.btn-save-all {
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    color: var(--bg-primary);
    border: none;
    padding: 1rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-save-all:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 255, 136, 0.6);
    background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
}

.btn-save-all:active {
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(0, 255, 136, 0.4);
}

.btn-save-all i {
    font-size: 1.2rem;
}

.tab-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.tab-btn.active {
    background: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 255, 136, 0.4);
}

.tab-btn i {
    font-size: 1rem;
}

/* Skills Category Management */
.skill-category {
    margin-bottom: 1.5rem;
}

.skills-in-category {
    padding: 1rem;
    display: grid;
    gap: 0.5rem;
}

.skill-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.skill-name {
    color: var(--text-primary);
    font-weight: 500;
}

.skill-level {
    color: var(--primary-color);
    font-weight: 600;
}

.skill-actions {
    display: flex;
    gap: 0.25rem;
}

.btn-mini-edit,
.btn-mini-delete {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.btn-mini-edit {
    background: var(--accent-color);
    color: white;
}

.btn-mini-delete {
    background: #ff4757;
    color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
    .admin-section {
        padding: 1rem;
    }
    
    .admin-section .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        justify-content: center;
    }
    
    .themes-grid {
        grid-template-columns: 1fr;
    }
    
    .data-management-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-tabs {
        flex-direction: column;
    }
    
    .item-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* Additional Admin Component Styles */
.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 0.5rem;
}

.category-header h4 {
    margin: 0;
    color: var(--primary-color);
    font-family: var(--font-primary);
}

.category-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-add-skill {
    background: var(--primary-color);
    color: var(--bg-primary);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.btn-add-skill:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Enhanced notification animations */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* Skill Slider Styles */
.skill-slider {
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: var(--bg-tertiary);
    outline: none;
    opacity: 0.8;
    transition: opacity 0.2s;
    cursor: pointer;
    margin: 0.5rem 0;
}

.skill-slider:hover {
    opacity: 1;
}

.skill-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    transition: all 0.3s ease;
}

.skill-slider::-webkit-slider-thumb:hover {
    background: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.7);
    transform: scale(1.1);
}

.skill-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
    transition: all 0.3s ease;
}

.skill-slider::-moz-range-thumb:hover {
    background: var(--accent-color);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.7);
    transform: scale(1.1);
}

.skill-slider::-webkit-slider-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: linear-gradient(to right, var(--primary-color) 0%, var(--primary-color) 50%, var(--bg-tertiary) 50%, var(--bg-tertiary) 100%);
    border-radius: 5px;
}

.skill-slider::-moz-range-track {
    width: 100%;
    height: 8px;
    cursor: pointer;
    background: var(--bg-tertiary);
    border-radius: 5px;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.slider-labels span {
    font-weight: 500;
}

/* Skill level visual feedback */
.skill-beginner {
    color: #ff6b6b !important;
}

.skill-intermediate {
    color: #feca57 !important;
}

.skill-advanced {
    color: #48dbfb !important;
}

.skill-expert {
    color: var(--primary-color) !important;
}

/* Enhanced slider progress visualization */
.skill-slider {
    background: linear-gradient(to right, 
        var(--primary-color) 0%, 
        var(--primary-color) var(--slider-progress, 50%), 
        var(--bg-tertiary) var(--slider-progress, 50%), 
        var(--bg-tertiary) 100%
    );
}

/* Dynamic slider track update */
.skill-slider::-webkit-slider-track {
    background: linear-gradient(to right, 
        var(--primary-color) 0%, 
        var(--primary-color) var(--slider-progress, 50%), 
        var(--bg-tertiary) var(--slider-progress, 50%), 
        var(--bg-tertiary) 100%
    );
}

/* Admin Panel Enhancements */
.description-list ul {
    margin: 0.5rem 0;
    padding-left: 1.5rem;
}

.description-list li {
    margin-bottom: 0.25rem;
    color: var(--text-secondary);
}

/* Certification Status Styles */
.status-completed {
    color: var(--success-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.status-in-progress {
    color: var(--warning-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.status-planned {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.status-expired {
    color: var(--danger-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Enhanced Form Grid for Profile */
.form-container h4 {
    color: var(--primary-color);
    margin: 2rem 0 1rem 0;
    font-family: var(--font-primary);
    font-size: 1.2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.form-container h4:first-of-type {
    margin-top: 0;
}

/* Enhanced Admin Item Content */
.admin-item .item-content p {
    margin-bottom: 0.75rem;
}

.admin-item .item-content p:last-child {
    margin-bottom: 0;
}

.admin-item .item-content a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

.admin-item .item-content a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Professional Status Indicators */
.work-preference-badge {
    display: inline-block;
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid var(--primary-color);
}

/* Enhanced Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Certifications Section Styles */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
    max-width: 1400px;
    margin: 2rem auto 0 auto;
}

.certification-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.certification-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.certification-card:hover {
    border-color: #FFD700;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.1);
}

.certification-card .cert-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.2);
}

.certification-card .cert-icon i {
    font-size: 1.5rem;
    color: #1a1a1a;
}

.cert-name {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.cert-provider {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 500;
}

.cert-provider i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

.cert-status {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.status-completed {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.status-badge.status-in-progress {
    background: rgba(255, 165, 2, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.status-badge.status-planned {
    background: rgba(0, 212, 255, 0.2);
    color: var(--accent-color);
    border: 1px solid var(--accent-color);
}

.status-badge.status-expired {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

.cert-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.cert-date i {
    color: var(--accent-color);
    margin-right: 0.25rem;
}

.cert-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.cert-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.cert-link:hover {
    color: var(--primary-color);
}

.cert-link i {
    font-size: 0.8rem;
}

/* Responsive Admin Panel */
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .admin-tabs {
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .tab-btn {
        min-width: 140px;
        flex-shrink: 0;
    }
    
    /* Certifications Responsive */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .certification-card {
        padding: 1.5rem;
    }
    
    .cert-status {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    /* Arsenal Section Responsive */
    .arsenal-subsection {
        margin-bottom: 2rem;
    }
    
    .subsection-header h3 {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }
}