@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-primary: hsl(222, 47%, 7%);
    --bg-secondary: hsl(222, 47%, 10%);
    --bg-tertiary: hsl(223, 47%, 14%);
    --accent: hsl(263, 90%, 66%);
    --accent-secondary: hsl(190, 90%, 50%);
    --accent-gradient: linear-gradient(135deg, hsl(263, 90%, 66%) 0%, hsl(190, 90%, 50%) 100%);
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 75%);
    --text-muted: hsl(215, 15%, 55%);
    --border-color: hsl(223, 47%, 18%);
    --shadow-color: rgba(2, 6, 23, 0.6);
    --glass-bg: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    /* Layout Variables */
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    /* Color Palette - Light Theme */
    --bg-primary: hsl(210, 40%, 98%);
    --bg-secondary: hsl(210, 40%, 95%);
    --bg-tertiary: hsl(0, 0%, 100%);
    --accent: hsl(263, 85%, 55%);
    --accent-secondary: hsl(190, 90%, 40%);
    --accent-gradient: linear-gradient(135deg, hsl(263, 85%, 55%) 0%, hsl(190, 90%, 40%) 100%);
    --text-primary: hsl(222, 47%, 12%);
    --text-secondary: hsl(215, 25%, 35%);
    --text-muted: hsl(215, 15%, 55%);
    --border-color: hsl(214, 32%, 91%);
    --shadow-color: rgba(15, 23, 42, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(15, 23, 42, 0.05);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

ul {
    list-style: none;
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 100px 0 60px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius-sm);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(168, 85, 247, 0.45);
}

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

.btn-secondary:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

/* Glassmorphism Card Base */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    box-shadow: 0 8px 32px 0 var(--shadow-color);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 20px var(--shadow-color);
    height: 70px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

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

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

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

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

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

/* Theme Toggle */
.theme-toggle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-primary);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--accent);
    transform: scale(1.05);
}

.theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

/* Glowing Background Blobs */
.glowing-blob {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    filter: blur(40px);
    z-index: -1;
    pointer-events: none;
    animation: pulse 10s infinite alternate;
}

.blob-1 {
    top: 10%;
    right: 5%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
}

.blob-2 {
    bottom: 10%;
    left: 5%;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, rgba(0, 0, 0, 0) 70%);
}

@keyframes pulse {
    0% { transform: scale(1) translate(0, 0); }
    100% { transform: scale(1.1) translate(20px, -20px); }
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    letter-spacing: -1px;
}

.hero-typewriter {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-height: 2.7rem;
}

.cursor {
    display: inline-block;
    width: 2px;
    background-color: var(--accent);
    margin-left: 2px;
    animation: blink 0.8s infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Hero Visual (Creative Backend-Inspired Layout) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.code-window {
    width: 100%;
    max-width: 420px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 20px 40px var(--shadow-color);
}

.code-header {
    background-color: rgba(255, 255, 255, 0.03);
    padding: 0.8rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--glass-border);
}

.code-dots {
    display: flex;
    gap: 6px;
}

.code-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.code-dot.red { background-color: #ef4444; }
.code-dot.yellow { background-color: #eab308; }
.code-dot.green { background-color: #22c55e; }

.code-title {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: monospace;
}

.code-body {
    padding: 1.5rem;
    font-family: monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: #e2e8f0;
}

.code-body .keyword { color: #f472b6; }
.code-body .class { color: #60a5fa; }
.code-body .method { color: #34d399; }
.code-body .string { color: #fbbf24; }
.code-body .comment { color: #94a3b8; }

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

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

.about-details p {
    color: var(--text-secondary);
}

.info-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.info-card {
    padding: 1.5rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-card i {
    font-size: 1.8rem;
    color: var(--accent);
}

.info-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
}

.info-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.about-skills-meta {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.meta-group h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.soft-skills-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.soft-skill-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.soft-skill-item i {
    color: var(--accent-secondary);
    font-size: 1.2rem;
}

.languages-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.lang-card {
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.lang-info h4 {
    font-size: 1rem;
}

.lang-info span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.lang-badge {
    padding: 0.2rem 0.6rem;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    background: rgba(168, 85, 247, 0.15);
    color: var(--accent);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-category {
    padding: 2rem;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.skill-category:hover {
    transform: translateY(-5px);
    border-color: rgba(168, 85, 247, 0.25);
}

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

.skill-cat-header i {
    font-size: 1.8rem;
    color: var(--accent);
}

.skill-cat-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.skills-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.skill-tag:hover {
    background-color: var(--bg-primary);
    border-color: var(--accent);
    color: var(--text-primary);
    transform: scale(1.05);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(168, 85, 247, 0.3);
}

.project-banner {
    height: 180px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: var(--accent);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.project-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-banner::before {
    opacity: 0.05;
}

.project-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 1.2rem;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.project-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
}

.project-title-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.project-date {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.5px;
}

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

.project-link-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.project-link-btn:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: scale(1.1);
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

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

.tech-badge {
    font-size: 0.8rem;
    padding: 0.2rem 0.7rem;
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.project-tabs {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.tab-nav {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.tab-btn {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    position: relative;
    padding-bottom: 0.2rem;
}

.tab-btn.active {
    color: var(--text-primary);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
}

.tab-content {
    font-size: 0.9rem;
    color: var(--text-secondary);
    min-height: 110px;
}

.tab-content ul {
    list-style-type: disc;
    padding-left: 1.2rem;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn var(--transition-normal);
}

.tab-panel ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding-left: 1.2rem;
    list-style-type: disc;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Experience / Education / Timeline Section */
.edu-cert-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
}

.timeline {
    position: relative;
    padding-left: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 3px solid var(--accent);
    transform: translateX(-50%);
    z-index: 2;
    transition: background-color var(--transition-fast);
}

.timeline-item:hover .timeline-dot {
    background-color: var(--accent-secondary);
}

.timeline-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.timeline-header h3 {
    font-size: 1.2rem;
}

.timeline-date {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
}

.timeline-org {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.timeline-body {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.timeline-body ul {
    list-style-type: circle;
    padding-left: 1.2rem;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.experience-timeline {
    max-width: 800px;
}

.certs-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.cert-card {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.cert-icon {
    font-size: 2rem;
    color: var(--accent);
    background: rgba(168, 85, 247, 0.1);
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-info h4 {
    font-size: 1.05rem;
}

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

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
}

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

.contact-info-desc {
    color: var(--text-secondary);
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: rgba(168, 85, 247, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.3rem;
    border: 1px solid rgba(168, 85, 247, 0.1);
}

.contact-text h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-text a, .contact-text p {
    font-size: 1.05rem;
    font-weight: 600;
}

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

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

.social-link {
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-3px);
}

/* Contact Form */
.contact-form-card {
    padding: 2.5rem;
}

.form-title {
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
}

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

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

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

.form-input {
    width: 100%;
    padding: 0.85rem 1.2rem;
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
}

textarea.form-input {
    resize: none;
}

.form-feedback {
    display: none;
    font-size: 0.9rem;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius-sm);
    animation: fadeIn var(--transition-normal);
}

.form-feedback.success {
    display: block;
    background-color: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-feedback.info {
    display: block;
    background-color: rgba(168, 85, 247, 0.1);
    color: var(--accent);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.form-feedback.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Scroll To Top */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(168, 85, 247, 0.4);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: opacity var(--transition-normal), transform var(--transition-normal), background-color var(--transition-fast);
    z-index: 99;
}

.scroll-top.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.scroll-top:hover {
    background-color: var(--accent-secondary);
}

/* Scroll-triggered Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Footer */
footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

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

.footer-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-wrapper {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    
    .hero-content {
        align-items: center;
    }
    
    .hero-description {
        margin: 0 auto;
    }
    
    .about-grid, .edu-cert-wrapper, .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        transition: left var(--transition-normal);
        z-index: 999;
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-group-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .info-cards {
        grid-template-columns: 1fr;
    }
    
    .languages-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-card {
        padding: 1.5rem;
    }
}