/* About Hero Section */
.about-hero {
    background: linear-gradient(135deg, hsl(var(--primary) / 0.1) 0%, hsl(var(--secondary) / 0.1) 100%);
    padding: 1rem 0;
    position: relative;
    overflow: hidden;
}

.about-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, hsl(var(--primary) / 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, hsl(var(--secondary) / 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.profile-section {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.profile-image {
    position: relative;
    width: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.profile-photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid hsl(var(--border));
    box-shadow: 0 15px 30px hsl(var(--background) / 0.3);
    transition: transform 0.3s ease;
}

.profile-photo:hover {
    transform: scale(1.05);
}

.profile-placeholder {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 4px solid hsl(var(--border));
    box-shadow: 0 15px 30px hsl(var(--background) / 0.3);
    color: hsl(var(--muted-foreground));
}
.profile-info {
    padding: var(--space-lg);
}

.profile-status {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    border: 2px solid #10b981;
    border-radius: 1rem;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: #10b981;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: hsl(142 76% 36%);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: hsl(var(--primary) / 0.1);
    border: 1px solid hsl(var(--primary) / 0.2);
    border-radius: 2rem;
    padding: 0.5rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: hsl(var(--primary));
}

.badge-icon {
    font-size: 1.2rem;
}

.profile-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, hsl(var(--foreground)) 0%, hsl(var(--primary)) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.profile-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: hsl(var(--muted-foreground));
    max-width: 600px;
    margin-bottom: 1.5rem;
}

.profile-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: hsl(var(--primary));
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: hsl(var(--muted-foreground));
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profile-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 468px) {
    .profile-actions {
        flex-direction: column;
        justify-content: center;
        align-items: center;    
        width: 100%;
    }

    .profile-actions a {
        width: 100%;
    }

    .profile-info {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }


}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
}

.btn.primary {
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary) / 0.8));
    color: hsl(var(--primary-foreground));
    box-shadow: 0 4px 15px hsl(var(--primary) / 0.3);
}

.btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px hsl(var(--primary) / 0.4);
}

.btn.ghost {
    background: transparent;
    color: hsl(var(--muted-foreground));
    border: 1px solid hsl(var(--border));
}

.btn.ghost:hover {
    background: hsl(var(--muted));
    color: hsl(var(--foreground));
    transform: translateY(-2px);
}

.hero-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(135deg, hsl(var(--primary) / 0.1), hsl(var(--secondary) / 0.1));
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 60px;
    height: 60px;
    top: 60%;
    left: 5%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    right: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, hsl(var(--foreground)) 0%, hsl(var(--primary)) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: hsl(var(--muted-foreground));
    max-width: 600px;
    margin: 0 auto;
}

/* Timeline Section */
.timeline-section {
    background: hsl(var(--background) / 0.5);
    padding: 4rem 0;
}

.timeline-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline-container::before {
    content: '';
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, hsl(var(--primary)), hsl(var(--secondary)));
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-marker {
    position: relative;
    z-index: 2;
}

.timeline-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    background: hsl(var(--card));
    border: 3px solid hsl(var(--primary));
    border-radius: 50%;
    font-size: 1.5rem;
    box-shadow: 0 10px 20px hsl(var(--background) / 0.3);
}

.timeline-dot {
    width: 1rem;
    height: 1rem;
    background: hsl(var(--primary));
    border-radius: 50%;
    margin: 1.5rem;
    box-shadow: 0 0 0 4px hsl(var(--background)), 0 0 0 6px hsl(var(--primary) / 0.3);
}

.timeline-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 10px 20px hsl(var(--background) / 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex: 1;
}

.timeline-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px hsl(var(--background) / 0.4);
}

.timeline-date {
    display: inline-block;
    background: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: hsl(var(--foreground));
}

.timeline-subtitle {
    color: hsl(var(--primary));
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.timeline-description {
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
}

/* Stack Section */
.stack-section {
    padding: 4rem 0;
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: 1rem;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px hsl(var(--background) / 0.2);
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px hsl(var(--background) / 0.3);
    border-color: hsl(var(--primary) / 0.3);
}

.tech-icon {
    font-size: 2.5rem;
    width: 4rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--primary) / 0.1);
    border-radius: 0.75rem;
    flex-shrink: 0;
}

.tech-content {
    flex: 1;
}

.tech-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: hsl(var(--foreground));
}

.tech-level {
    font-size: 0.9rem;
    color: hsl(var(--muted-foreground));
    background: hsl(var(--muted) / 0.5);
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
}

/* Certificates Section */
.certificates-section {
    background: hsl(var(--background) / 0.5);
    padding: 4rem 0;
}

.certificates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.certificate-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px hsl(var(--background) / 0.2);
}

.certificate-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px hsl(var(--background) / 0.3);
    border-color: hsl(var(--primary) / 0.3);
}

.certificate-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.certificate-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: hsl(var(--foreground));
}

.certificate-issuer {
    color: hsl(var(--primary));
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.certificate-date {
    display: block;
    font-size: 0.9rem;
    color: hsl(var(--muted-foreground));
    margin-bottom: 1rem;
}

.certificate-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: hsl(var(--primary));
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.certificate-link:hover {
    color: hsl(var(--primary) / 0.8);
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-hero {
        padding: 0.75rem 0;
    }
    
    .profile-section {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1.25rem;
    }
    
    .profile-photo,
    .profile-placeholder {
        width: 120px;
        height: 120px;
    }
    
    .profile-title {
        font-size: 2rem;
    }
    
    .profile-description {
        font-size: 1rem;
    }
    
    .profile-stats {
        gap: 1rem;
        justify-content: center;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .profile-actions {
        justify-content: center;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .timeline-container::before {
        left: 1.5rem;
    }
    
    .timeline-item {
        gap: 1rem;
    }
    
    .timeline-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.2rem;
    }
    
    .stack-grid,
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .floating-shape {
        display: none;
    }
}