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

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #f59e0b;
    --accent: #3b82f6;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-light: #9ca3af;
    --bg-dark: #111827;
    --bg-card: #1f2937;
    --bg-light: #374151;
    --bg-gradient: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.6);
    --radius: 16px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-dark);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
    color: var(--text-primary);
}

.container {
    max-width: 600px;
    margin: 0 auto;
    animation: fadeIn 0.6s ease-out;
}

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

/* Hero Section */
.hero {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-bottom: 20px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.avatar-container {
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
    overflow: hidden;
    border: 3px solid rgba(255, 255, 255, 0.2);
}

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

.avatar svg {
    width: 80px;
    height: 80px;
}

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

.status-badge {
    position: absolute;
    bottom: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border: 3px solid var(--bg-card);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.name {
    font-size: 36px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.title {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 8px;
}

.location {
    font-size: 14px;
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
}

.phone-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.phone-number {
    display: inline-block;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s;
    padding: 12px 24px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
    border: 2px solid var(--primary);
}

.phone-number:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.info-card-full {
    grid-column: 1 / -1;
}

.info-card {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--shadow-md);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.info-icon {
    font-size: 32px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    border-radius: 12px;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 12px;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 15px;
    color: var(--text-primary);
    font-weight: 600;
}

/* Sections */
.section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.title-icon {
    font-size: 24px;
}

.profile-content {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    border-left: 4px solid var(--primary);
}

.profile-text {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

/* Skills */
.skills-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.skill-category {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.category-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: default;
}

.tag-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.tag-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, #d97706 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.tag-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* Projects */
.projects {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.project-card {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.2s;
    border: 2px solid transparent;
}

.project-card:hover {
    border-color: var(--primary);
    transform: translateX(5px);
}

.project-icon {
    font-size: 36px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.project-info {
    flex: 1;
}

.project-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.project-desc {
    font-size: 13px;
    color: var(--text-light);
}

/* CTA Section */
.cta-section {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.btn {
    flex: 1;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary:active {
    transform: translateY(0);
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
    font-size: 13px;
}

/* Specialization Section */
.specialization-section {
    background: var(--bg-card);
}

.specialization-intro {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 30px;
    text-align: center;
    padding: 0 10px;
}

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

.specialization-card {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    padding: 25px;
    border: 2px solid transparent;
    transition: all 0.3s;
}

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

.spec-icon {
    font-size: 48px;
    margin-bottom: 15px;
    display: block;
}

.spec-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
}

.spec-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.spec-list li {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
}

.spec-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
    font-size: 16px;
}

.spec-list li:hover {
    color: var(--text-primary);
    padding-left: 25px;
    transition: all 0.2s;
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        padding: 0 10px;
    }

    .hero {
        padding: 30px 20px;
    }

    .name {
        font-size: 28px;
    }

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

    .section {
        padding: 20px;
    }

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

    .cta-section {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}