/* ===================================
   CSS Variables & Reset
   =================================== */
:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --highlight-color: #00d4aa;
    --text-color: #2d3436;
    --text-light: #636e72;
    --bg-color: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a2e;
    --border-color: #dfe6e9;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #00d4aa 0%, #00b894 100%);
    --gradient-info: linear-gradient(135deg, #74b9ff 0%, #0984e3 100%);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --primary-color: #e8eaf6;
    --secondary-color: #c5cae9;
    --accent-color: #7986cb;
    --highlight-color: #00d4aa;
    --text-color: #e8eaf6;
    --text-light: #b0bec5;
    --bg-color: #0a0a0f;
    --bg-light: #1a1a2e;
    --bg-dark: #0a0a0f;
    --border-color: #2d3436;
    --shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

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

/* ===================================
   Container & Layout
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-color);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand h2 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

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

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

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

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

/* ===================================
   About Section
   =================================== */
.about-section {
    padding-top: 8rem;

/* ===================================
   Buttons & CTAs
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

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

[data-theme="dark"] .btn-secondary {
    background: var(--bg-light);
    color: var(--text-color);
    border-color: var(--accent-color);
}

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

[data-theme="dark"] .btn-secondary:hover {
    background: var(--accent-color);
    color: white;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ===================================
   Dark Mode Toggle
   =================================== */
.theme-toggle {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
    z-index: 999;
    transition: var(--transition);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
}

.theme-toggle svg {
    width: 24px;
    height: 24px;
}

/* ===================================
   Social Links Enhancement
   =================================== */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.social-link svg {
    width: 22px;
    height: 22px;
    fill: var(--text-color);
    transition: var(--transition);
}

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

.social-link:hover svg {
    fill: white;
}

[data-theme="dark"] .social-link {
    background: var(--bg-dark);
}

[data-theme="dark"] .social-link:hover {
    background: var(--accent-color);
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.about-image {
    animation: slideInLeft 0.8s ease;
}

.about-text {
    animation: slideInRight 0.8s ease;
}

/* ===================================
   Improved Typography
   =================================== */
.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.subtitle {
    color: var(--text-light);
    font-weight: 500;
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

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

    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-color) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
}

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

.profile-placeholder {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    border: 5px solid var(--bg-color);
}

.profile-placeholder svg {
    width: 150px;
    height: 150px;
    color: var(--text-light);
}

.about-text h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

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

.subtitle {
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.bio {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 2rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--bg-color);
}

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

/* ===================================
   Timeline (Experience & Education)
   =================================== */
.experience-section,
.education-section {
    background: var(--bg-color);
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

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

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--bg-color);
    box-shadow: 0 0 0 3px var(--border-color);
}

.timeline-date {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    color: var(--text-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-color);
    line-height: 1.8;
}

.timeline-description li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-description li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* ===================================
   Skills Section
   =================================== */
.skills-section {
    background: var(--bg-light);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.skill-category:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bg-light);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-name {
    font-weight: 600;
    color: var(--text-color);
}

.skill-bar {
    height: 8px;
    background: var(--bg-light);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    border-radius: 10px;
    transition: width 1s ease;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    color: var(--text-color);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.skill-tag:hover {
    background: var(--accent-color);
    color: var(--bg-color);
}

/* ===================================
   Projects Section
   =================================== */
.projects-section {
    background: var(--bg-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    transition: var(--transition);
}

.project-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-header h3 {
    color: var(--primary-color);
    margin: 0;
}

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

.project-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    background: var(--bg-light);
    transition: var(--transition);
}

.project-link svg {
    width: 18px;
    height: 18px;
    fill: var(--text-color);
}

.project-link:hover {
    background: var(--accent-color);
}

.project-link:hover svg {
    fill: var(--bg-color);
}

.project-description {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

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

.tech-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    color: var(--text-color);
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===================================
   Certifications Section
   =================================== */
.certifications-section {
    background: var(--bg-light);
}

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

.certification-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.certification-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.cert-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cert-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--accent-color);
}

.certification-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.cert-issuer {
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

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

/* ===================================
   Contact Section
   =================================== */
.contact-section {
    background: var(--bg-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-color);
    line-height: 1.8;
    margin-bottom: 2rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-color);
}

.contact-item svg {
    width: 24px;
    height: 24px;
    fill: var(--accent-color);
    flex-shrink: 0;
}

.contact-form {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--primary-color);
    color: var(--bg-color);
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-dark);
    color: var(--bg-color);
    padding: 2rem 0;
    text-align: center;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer p {
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--bg-color);
    transition: var(--transition);
}

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

/* ===================================
   Print Styles
   =================================== */
@media print {
    .navbar,
    .hamburger,
    .social-links,
    .project-links,
    .contact-form,
    .footer {
        display: none !important;
    }

    .section {
        page-break-inside: avoid;
        padding: 1rem 0;
    }

    body {
        font-size: 12pt;
        line-height: 1.4;
    }

    .about-section {
        padding-top: 0;
    }

    .section-title {
        font-size: 18pt;
        margin-bottom: 1rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .profile-placeholder {
        width: 150px;
        height: 150px;
    }

    .timeline::before {
        display: none;
    }

    .timeline-dot {
        display: none;
    }

    .timeline-item {
        padding-left: 0;
    }
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        margin-bottom: 2rem;
    }

    .social-links {
        justify-content: center;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .navbar .container {
        padding: 1rem;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-color);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 2rem;
        gap: 1rem;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .about-section {
        padding-top: 6rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-text h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.25rem;
    }

    .profile-placeholder {
        width: 200px;
        height: 200px;
    }

    .timeline {
        padding-left: 1rem;
    }

    .timeline-item {
        padding-left: 1.5rem;
    }

    .timeline-dot {
        left: -1.5rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .certifications-grid {
        grid-template-columns: 1fr;
    }

    .footer .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    .profile-placeholder {
        width: 150px;
        height: 150px;
    }

    .profile-placeholder svg {
        width: 100px;
        height: 100px;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .project-card {
        padding: 1.5rem;
    }

    .certification-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

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

.section {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scroll offset for fixed navbar */
section {
    scroll-margin-top: 80px;
}

/* Made with Bob */

/* ===================================
   Statistics Section
   =================================== */
.stats-section {
    background: var(--gradient-primary);
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.stat-icon svg {
    width: 30px;
    height: 30px;
    color: #ffffff;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255, 255, 255, 0.3);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ===================================
   Enhanced About Section
   =================================== */
.about-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-color) 100%);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: var(--gradient-primary);
    opacity: 0.05;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.about-content {
    animation: fadeIn 1s ease;
}

.about-image img {
    transition: var(--transition);
    animation: fadeIn 1.2s ease;
}

.about-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3) !important;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.highlight:hover::after {
    transform: scaleX(1);
}

/* ===================================
   Enhanced Social Links
   =================================== */
.social-links {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0;
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    z-index: 0;
}

.social-link:hover::before {
    transform: translateY(0);
}

.social-link svg {
    width: 24px;
    height: 24px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.social-link:hover svg {
    color: #ffffff;
}

/* ===================================
   Enhanced Buttons
   =================================== */
.cta-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

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

.btn-secondary:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

/* ===================================
   Enhanced Timeline
   =================================== */
.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
    opacity: 1;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    border: 4px solid var(--bg-color);
    box-shadow: 0 0 0 4px var(--border-color);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 20px;
    bottom: -3rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--border-color) 0%, transparent 100%);
}

.timeline-item:last-child::before {
    display: none;
}

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

.timeline-content:hover {
    box-shadow: var(--shadow-hover);
}

.timeline-date {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gradient-success);
    color: #ffffff;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

/* ===================================
   Enhanced Project Cards
   =================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-color);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    opacity: 1;
}

.project-card:hover {
    box-shadow: var(--shadow-hover);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

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

.project-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 50%;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--gradient-primary);
    transform: rotate(360deg);
}

.project-link svg {
    width: 20px;
    height: 20px;
    transition: var(--transition);
}

.project-link:hover svg {
    color: #ffffff;
}

.tech-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    border-radius: 50px;
    font-size: 0.875rem;
    margin: 0.25rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.tech-tag:hover {
    background: var(--gradient-primary);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-2px);
}

/* ===================================
   Enhanced Skills Section
   =================================== */
.skill-category {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.skill-bar {
    background: var(--bg-light);
    height: 10px;
    border-radius: 50px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 50px;
    transition: width 1s ease;
    position: relative;
    overflow: hidden;
}

.skill-progress::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.skill-tag {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--bg-light);
    border-radius: 50px;
    margin: 0.5rem;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    font-weight: 500;
}

.skill-tag:hover {
    background: var(--gradient-info);
    color: #ffffff;
    border-color: transparent;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 5px 15px rgba(116, 185, 255, 0.4);
}

/* ===================================
   Enhanced Certification Cards
   =================================== */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.certification-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.certification-card:hover {
    box-shadow: var(--shadow-hover);
}

.cert-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.cert-icon svg {
    width: 40px;
    height: 40px;
    color: #ffffff;
}

/* ===================================
   Enhanced Contact Section
   =================================== */
.contact-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-color) 100%);
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight-color);
    box-shadow: 0 0 0 4px rgba(0, 212, 170, 0.1);
    transform: translateY(-2px);
}

.btn-submit {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: #ffffff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-submit:hover::before {
    width: 400px;
    height: 400px;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* ===================================
   Responsive Design Enhancements
   =================================== */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials-section {
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    background: var(--gradient-accent);
    opacity: 0.05;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.testimonial-card:nth-child(1) { animation-delay: 0.1s; }
.testimonial-card:nth-child(2) { animation-delay: 0.2s; }
.testimonial-card:nth-child(3) { animation-delay: 0.3s; }

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 100px;
    color: var(--highlight-color);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-color: var(--highlight-color);
}

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

.testimonial-avatar {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.testimonial-avatar svg {
    width: 30px;
    height: 30px;
    color: #ffffff;
}

.testimonial-card:hover .testimonial-avatar {
    transform: scale(1.1) rotate(5deg);
}

.testimonial-info h4 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.testimonial-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.testimonial-rating {
    margin-bottom: 1rem;
}

.testimonial-rating .star {
    color: #ffd700;
    font-size: 1.2rem;
    margin-right: 0.2rem;
    display: inline-block;
    animation: starPulse 2s ease-in-out infinite;
}

.testimonial-rating .star:nth-child(1) { animation-delay: 0s; }
.testimonial-rating .star:nth-child(2) { animation-delay: 0.1s; }
.testimonial-rating .star:nth-child(3) { animation-delay: 0.2s; }
.testimonial-rating .star:nth-child(4) { animation-delay: 0.3s; }
.testimonial-rating .star:nth-child(5) { animation-delay: 0.4s; }

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

.testimonial-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
    font-style: italic;
    position: relative;
    z-index: 1;
}

/* ===================================
   Section Title Enhancement
   =================================== */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: titleUnderline 2s ease-in-out infinite;
}

@keyframes titleUnderline {
    0%, 100% {
        width: 80px;
    }
    50% {
        width: 120px;
    }
}

/* ===================================
   Loading Screen
   =================================== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--highlight-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===================================
   Responsive Testimonials
   =================================== */
@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonial-card {
        padding: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}