:root {
    --primary: #D4AF37;
    --primary-dark: #B08E26;
    --secondary: #E8C585;
    --accent: #C58B5E;
    --success: #0FA97E;
    --warning: #E5A93C;
    --danger: #E85F5F;
    
    --bg-primary: #0A0A0B;
    --bg-secondary: #121214;
    --bg-tertiary: #1D1D20;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-strong: rgba(255, 255, 255, 0.07);
    
    --text-primary: #F5F5F7;
    --text-secondary: #A1A1A5;
    --text-muted: #6B6B6F;
    
    --border: rgba(212, 175, 55, 0.08);
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 50px rgba(212, 175, 55, 0.12);
    
    --font-primary: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Animated Background */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(45deg, #0A0A0B, #121214, #080809);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

.bg-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(232, 197, 133, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(197, 139, 94, 0.04) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

/* Cursor Effect */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.1s ease;
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    pointer-events: none;
    z-index: 9998;
    transition: all 0.3s ease;
}

/* Navigation */
nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 12px 30px;
    transition: var(--transition);
    width: min(1100px, calc(100% - 40px));
}

.logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    font-family: var(--font-mono);
    transition: var(--transition);
    user-select: none;
}

.logo span {
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo:hover {
    transform: scale(1.05);
    text-shadow: 0 0 15px rgba(212, 175, 55, 0.3);
}

nav:hover {
    background: var(--bg-glass-strong);
    box-shadow: var(--shadow-glow);
}

.nav-links {
    display: flex;
    gap: 18px;
    list-style: none;
    align-items: center;
    flex-wrap: nowrap;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
    padding: 8px 12px;
    border-radius: 25px;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(212, 175, 55, 0.08);
}

/* Mobile elements hidden on desktop */
.mobile-header,
.mobile-bottom-nav {
    display: none;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
    z-index: 1001;
}

.mobile-menu-toggle:hover {
    color: var(--primary);
}


@media (max-width: 1200px) {
    nav {
        width: min(980px, calc(100% - 24px));
        padding: 10px 14px;
    }

    .nav-links {
        gap: 8px;
    }

    .nav-links a {
        font-size: 13px;
        padding: 7px 10px;
    }
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0 20px;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-family: var(--font-mono);
}

.hero-name {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease infinite;
}

.hero-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Buttons */
.btn {
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-primary);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
}

.btn-secondary:hover {
    background: var(--bg-glass-strong);
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 100px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.about-text p {
    margin-bottom: 20px;
}

/* Modern Skills Section */
.skills-container {
    background: var(--bg-secondary);
    border-radius: 30px;
    padding: 60px;
    margin: 100px 0;
    position: relative;
    overflow: hidden;
}

.skills-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(212, 175, 55, 0.04) 0%, rgba(232, 197, 133, 0.04) 50%, rgba(197, 139, 94, 0.04) 100%);
    opacity: 0.5;
    z-index: 0;
}

.skills-content {
    position: relative;
    z-index: 1;
}

.skills-categories {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 6px;
    margin: 0 auto 50px;
    flex-wrap: wrap;
    backdrop-filter: blur(15px);
    width: fit-content;
    max-width: 100%;
}

.skills-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.category-btn {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 30px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.category-btn.active {
    background: var(--bg-glass-strong);
    color: var(--primary);
    border-color: rgba(212, 175, 55, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25), 0 0 10px rgba(212, 175, 55, 0.05);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    width: 100%;
    min-height: auto;
}

.skill-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.01) 0%, rgba(255, 255, 255, 0.03) 100%);
    border: 1px solid rgba(212, 175, 55, 0.04);
    border-radius: 20px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 18px;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
    animation: skillFadeIn 0.6s ease forwards;
}

.skill-item:nth-child(1) { animation-delay: 0.05s; }
.skill-item:nth-child(2) { animation-delay: 0.1s; }
.skill-item:nth-child(3) { animation-delay: 0.15s; }
.skill-item:nth-child(4) { animation-delay: 0.2s; }
.skill-item:nth-child(5) { animation-delay: 0.25s; }
.skill-item:nth-child(6) { animation-delay: 0.3s; }
.skill-item:nth-child(7) { animation-delay: 0.35s; }
.skill-item:nth-child(8) { animation-delay: 0.4s; }

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

.skill-item:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.25);
    box-shadow: var(--shadow-glow), 0 15px 30px rgba(0, 0, 0, 0.4);
}

.skill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 10% 50%, rgba(212, 175, 55, 0.06) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: 0;
}

.skill-item:hover::before {
    opacity: 1;
}

.skill-icon-wrap {
    flex-shrink: 0;
    z-index: 1;
}

.skill-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(212, 175, 55, 0.15);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    transition: var(--transition);
}

.skill-item:hover .skill-icon {
    transform: rotateY(180deg) scale(1.05);
    background: rgba(212, 175, 55, 0.08);
    border-color: var(--primary);
    color: var(--text-primary);
}

.skill-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 1;
}

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

.skill-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.skill-level-badge {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--secondary);
    background: rgba(232, 197, 133, 0.06);
    padding: 2px 10px;
    border-radius: 12px;
    border: 1px solid rgba(232, 197, 133, 0.1);
    letter-spacing: 0.2px;
}

.skill-progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 10px;
    width: 0;
    transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-category {
    display: none;
}

.skill-category.active {
    display: grid;
}

/* Modern Education Section Layout */
.education-grid {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 40px;
    margin: 40px 0;
}

.education-highlight-card {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05) 0%, rgba(232, 197, 133, 0.05) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

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

.education-highlight-card .grad-icon {
    font-size: 4.5rem;
    margin-bottom: 25px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 6s ease-in-out infinite;
}

.education-highlight-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.education-highlight-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
    max-width: 280px;
}

.education-details-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition);
}

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

.education-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
}

.education-info h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.education-info .education-field {
    font-size: 1.1rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: 4px;
}

.education-info .school-name {
    font-size: 1.1rem;
    color: var(--secondary);
    font-weight: 500;
    margin-top: 4px;
}

.education-meta .year-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.education-body {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.education-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.achievement-tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(16, 185, 129, 0.15);
}

/* Experience Section */
.experience-timeline {
    position: relative;
    padding-left: 40px;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.experience-item {
    position: relative;
    margin-bottom: 50px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    margin-left: 40px;
    transition: var(--transition);
}

.experience-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-glow);
}

.experience-item:first-child::before {
    content: '';
    position: absolute;
    left: -61px;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    border: 4px solid var(--bg-primary);
}

.experience-date {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.experience-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.experience-company {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 15px;
}

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

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background: linear-gradient(180deg, var(--card-bg-gradient), rgba(18, 18, 20, 0.4));
    border-radius: 32px;
    padding: 40px 24px 30px;
    text-align: center;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 22px;
    overflow: hidden;
}

/* Theme variables for visual separation */
.project-card[data-theme="gold"] {
    --card-accent: #D4AF37;
    --card-bg-gradient: rgba(212, 175, 55, 0.03);
    --card-border-glow: rgba(212, 175, 55, 0.2);
    --icon-bg: linear-gradient(135deg, #D4AF37, #B08E26);
}
.project-card[data-theme="amber"] {
    --card-accent: #C58B5E;
    --card-bg-gradient: rgba(197, 139, 94, 0.03);
    --card-border-glow: rgba(197, 139, 94, 0.2);
    --icon-bg: linear-gradient(135deg, #C58B5E, #A7744E);
}
.project-card[data-theme="champagne"] {
    --card-accent: #E8C585;
    --card-bg-gradient: rgba(232, 197, 133, 0.03);
    --card-border-glow: rgba(232, 197, 133, 0.2);
    --icon-bg: linear-gradient(135deg, #E8C585, #C5A870);
}
.project-card[data-theme="red"] {
    --card-accent: #E85F5F;
    --card-bg-gradient: rgba(232, 95, 95, 0.03);
    --card-border-glow: rgba(232, 95, 95, 0.2);
    --icon-bg: linear-gradient(135deg, #E85F5F, #B83E3E);
}
.project-card[data-theme="silver"] {
    --card-accent: #A1A1A5;
    --card-bg-gradient: rgba(161, 161, 165, 0.03);
    --card-border-glow: rgba(161, 161, 165, 0.2);
    --icon-bg: linear-gradient(135deg, #A1A1A5, #7D7D81);
}
.project-card[data-theme="green"] {
    --card-accent: #0FA97E;
    --card-bg-gradient: rgba(15, 169, 126, 0.03);
    --card-border-glow: rgba(15, 169, 126, 0.2);
    --icon-bg: linear-gradient(135deg, #0FA97E, #0A7A5B);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--card-border-glow);
    box-shadow: var(--shadow-glow), 0 20px 40px rgba(0, 0, 0, 0.5);
}

.project-app-icon-wrap {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.01);
    border-radius: 30px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.04);
    transition: var(--transition);
}

.project-card:hover .project-app-icon-wrap {
    border-color: var(--card-border-glow);
    background: rgba(255, 255, 255, 0.02);
}

.project-app-icon {
    width: 100%;
    height: 100%;
    background: var(--icon-bg);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: #FFFFFF;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    overflow: hidden;
}

.project-card:hover .project-app-icon {
    transform: scale(1.05);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
}

.project-app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 22px;
}

.project-card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex-grow: 1;
    width: 100%;
}

.project-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.3px;
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    text-align: center;
    flex-grow: 1;
}

.project-tech-minimal {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 5px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.project-links-chevron {
    display: flex;
    gap: 20px;
    margin-top: 15px;
}

.project-chevron-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--card-accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.project-chevron-link i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.project-chevron-link:hover {
    color: var(--text-primary);
}

.project-chevron-link:hover i {
    transform: translateX(4px);
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
    border-radius: 30px;
    padding: 60px;
    text-align: center;
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(20px);
}

.social-link:hover {
    background: var(--primary);
    color: var(--text-primary);
    transform: translateY(-5px);
}

/* Footer */
footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease both;
}

/* Scroll animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 900px) {
    /* Hide cursor effects on mobile */
    .cursor,
    .cursor-follower {
        display: none;
    }

    /* Set offsets for sticky app bars */
    body {
        padding-top: 60px;
        padding-bottom: 65px;
    }

    /* Hide Desktop Navigation completely on mobile */
    nav,
    .mobile-menu-toggle {
        display: none !important;
    }

    /* Sticky Mobile Top App Bar */
    .mobile-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: rgba(10, 10, 11, 0.75);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        border-bottom: 1px solid var(--border);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 20px;
        z-index: 1000;
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
    }

    .mobile-header .logo {
        font-size: 1.25rem;
    }

    .mobile-contact-btn {
        width: 36px;
        height: 36px;
        background: var(--bg-glass);
        border: 1px solid var(--border);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-primary);
        font-size: 1rem;
        text-decoration: none;
        transition: var(--transition);
    }

    .mobile-contact-btn:hover {
        background: var(--primary);
        color: var(--text-primary);
        box-shadow: var(--shadow-glow);
    }

    /* Mobile Bottom Tab Navigation */
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 65px;
        background: rgba(10, 10, 11, 0.85);
        backdrop-filter: blur(25px);
        -webkit-backdrop-filter: blur(25px);
        border-top: 1px solid var(--border);
        display: flex;
        justify-content: space-around;
        align-items: center;
        z-index: 2000;
        box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
        padding-bottom: env(safe-area-inset-bottom);
    }

    .mobile-tab-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        text-decoration: none;
        font-size: 0.72rem;
        font-weight: 600;
        gap: 4px;
        width: 20%;
        height: 100%;
        transition: var(--transition);
    }

    .mobile-tab-item i {
        font-size: 1.2rem;
        transition: var(--transition);
    }

    .mobile-tab-item:hover {
        color: var(--text-primary);
    }

    .mobile-tab-item.active {
        color: var(--primary);
        text-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
    }

    .mobile-tab-item.active i {
        transform: translateY(-2px);
        color: var(--primary);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .about-image {
        width: 150px;
        height: 150px;
        margin: 0 auto;
        border-radius: 50%;
        overflow: hidden;
        border: 3px solid var(--primary);
        box-shadow: var(--shadow-glow);
    }

    .about-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 50%;
    }

    .skills-container {
        padding: 40px 20px;
        margin: 50px 0;
    }

    .skills-grid {
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
        gap: 15px;
    }

    .education-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .education-highlight-card {
        padding: 30px 20px;
    }

    .education-details-card {
        padding: 30px 20px;
    }

    .education-info h4 {
        font-size: 1.25rem;
    }

    .experience-timeline {
        padding-left: 20px;
    }

    .experience-timeline::before {
        left: 10px;
    }

    .experience-item {
        margin-left: 20px;
    }

    .experience-item:first-child::before {
        left: -39px;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .contact {
        padding: 40px 20px;
        margin: 50px 0;
    }

    section {
        padding: 50px 20px;
    }
}

@media (max-width: 480px) {
    .nav-links a {
        font-size: 14px;
        padding: 10px 16px;
    }

    .skills-categories {
        gap: 10px;
    }

    .category-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .hero-name {
        font-size: clamp(2rem, 6vw, 4rem);
    }

    .hero-title {
        font-size: clamp(1rem, 3vw, 1.5rem);
    }
}