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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-bg: #0f0f23;
    --card-bg: #1a1a2e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --accent-color: #667eea;
    --success-color: #00f2fe;
    --warning-color: #fee140;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Back Navigation */
.back-nav {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

.back-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border: 1px solid rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.back-btn:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateX(-5px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.back-btn svg {
    flex-shrink: 0;
}


.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Section */
.header {
    background: var(--primary-gradient);
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

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

.profile-section {
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.profile-avatar {
    position: relative;
    width: 150px;
    height: 150px;
}

.avatar-ring {
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: linear-gradient(45deg, #fff, transparent);
    animation: rotate 3s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar-inner {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 800;
    color: white;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.profile-info {
    flex: 1;
}

.name {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.title {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
    opacity: 0.9;
}

.contact-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Stats Section */
.stats-section {
    padding: 80px 20px;
    background: var(--dark-bg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.stat-icon {
    font-size: 48px;
    margin-bottom: 20px;
    animation: bounce 2s ease-in-out infinite;
}

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

.stat-number {
    font-size: 56px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.stat-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.stat-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 3px;
    animation: fillBar 2s ease-out;
}

@keyframes fillBar {
    from { width: 0; }
}

/* Skills Section */
.skills-section {
    padding: 80px 20px;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #16162e 100%);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.skill-category {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: transform 0.3s ease;
}

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

.category-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.skill-item {
    position: relative;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

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

.skill-percent {
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-bar {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
    position: relative;
}

.skill-progress {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 5px;
    position: relative;
    animation: slideIn 1.5s ease-out;
}

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

@keyframes slideIn {
    from { width: 0 !important; }
}

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

/* Timeline Section */
.timeline-section {
    padding: 80px 20px;
    background: var(--dark-bg);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 50px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-gradient);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 40px;
}

.timeline-dot {
    position: absolute;
    left: -30px;
    top: 0;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-gradient);
    box-shadow: 0 0 0 4px var(--dark-bg), 0 0 0 8px rgba(102, 126, 234, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

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

.timeline-content {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.timeline-date {
    display: inline-block;
    background: var(--primary-gradient);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

.timeline-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.timeline-company {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 16px;
}

.timeline-achievements {
    list-style: none;
    margin-bottom: 20px;
}

.timeline-achievements li {
    padding: 8px 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 30px;
}

.timeline-achievements li::before {
    content: attr(data-icon);
    position: absolute;
    left: 0;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: rgba(102, 126, 234, 0.2);
    color: var(--accent-color);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

/* Impact Section */
.impact-section {
    padding: 80px 20px;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #1a1a2e 100%);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.impact-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    transition: all 0.3s ease;
}

.impact-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 20px;
    background: var(--primary-gradient);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.impact-card:hover::before {
    opacity: 1;
}

.impact-card:hover {
    transform: scale(1.05);
}

.impact-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.impact-value {
    font-size: 48px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.impact-label {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
}

.impact-description {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Projects Section */
.projects-section {
    padding: 80px 20px;
    background: var(--dark-bg);
}

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

.project-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.3);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.project-icon {
    font-size: 40px;
}

.project-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

.project-status.live {
    background: rgba(0, 242, 254, 0.2);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.project-status.dev {
    background: rgba(254, 225, 64, 0.2);
    color: var(--warning-color);
    border: 1px solid var(--warning-color);
}

.project-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 24px;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tech span {
    background: rgba(102, 126, 234, 0.2);
    color: var(--accent-color);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* Education Section */
.education-section {
    padding: 80px 20px;
    background: linear-gradient(180deg, var(--dark-bg) 0%, #16162e 100%);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.education-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: transform 0.3s ease;
}

.education-card:hover {
    transform: translateY(-10px);
}

.edu-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.education-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
}

.edu-description {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.edu-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.edu-highlights span {
    background: rgba(102, 126, 234, 0.2);
    color: var(--accent-color);
    padding: 6px 14px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--card-bg);
    padding: 60px 20px;
    text-align: center;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

.footer-content h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.footer-content p {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-btn {
    background: var(--primary-gradient);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
}

.footer-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .profile-section {
        flex-direction: column;
        text-align: center;
    }

    .name {
        font-size: 36px;
    }

    .title {
        font-size: 18px;
    }

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

    .timeline {
        padding-left: 30px;
    }

    .section-title {
        font-size: 32px;
    }

    .stat-number {
        font-size: 42px;
    }
}

/* Animation Utilities */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="flip-left"].aos-animate {
    transform: perspective(1000px) rotateY(0);
}

[data-aos="flip-left"] {
    transform: perspective(1000px) rotateY(-20deg);
}