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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    color: #334155;
    background-color: #fff;
}

.container {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.section-header svg {
    color: #0f172a;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 400;
    color: #0f172a;
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom right, #f8fafc, #f1f5f9);
    padding: 5rem 1.5rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.hero-image {
    flex-shrink: 0;
}

.profile-photo {
    width: 12rem;
    height: 12rem;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    border: 4px solid #fff;
}

.hero-text {
    flex: 1;
    text-align: center;
}

.hero-text h1 {
    font-size: 3rem;
    font-weight: 400;
    color: #0f172a;
    margin-bottom: 1rem;
}

.hero-text .subtitle {
    font-size: 1.25rem;
    color: #475569;
    margin-bottom: 1.5rem;
}

.hero-text .bio {
    color: #334155;
    max-width: 42rem;
    margin-bottom: 2rem;
    line-height: 1.625;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.2s;
}

.btn-primary {
    background-color: #0f172a;
    color: #fff;
}

.btn-primary:hover {
    background-color: #1e293b;
}

.btn-secondary {
    background-color: transparent;
    color: #334155;
    border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
    background-color: #f8fafc;
}

/* About Section */
.about {
    padding: 5rem 1.5rem;
    background-color: #fff;
}

.about-content {
    display: grid;
    gap: 3rem;
    align-items: start;
}

.about-image img {
    width: 100%;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.about-text p {
    font-size: 1.125rem;
    color: #334155;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.skills-section {
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
    margin-top: 1.5rem;
}

.skills-section h3 {
    font-size: 1.25rem;
    color: #0f172a;
    margin-bottom: 1rem;
    font-weight: 500;
}

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

.skill-tag {
    padding: 0.5rem 1rem;
    background-color: #0f172a;
    color: #fff;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

/* Experience Section */
.experience {
    padding: 5rem 1.5rem;
    background-color: #fff;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.timeline-item {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid #e2e8f0;
}

.timeline-dot {
    position: absolute;
    left: -0.5rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: #0f172a;
}

.timeline-content {
    background-color: #f8fafc;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.2s;
}

.timeline-content:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.job-header {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.job-header h3 {
    font-size: 1.5rem;
    color: #0f172a;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.job-header .company {
    color: #475569;
}

.job-header .period {
    color: #64748b;
}

.job-description {
    color: #334155;
    margin-bottom: 1rem;
}

.achievements {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.achievements li {
    color: #334155;
    padding-left: 1rem;
    position: relative;
}

.achievements li::before {
    content: '\2022';
    color: #94a3b8;
    position: absolute;
    left: 0;
}

/* Education & Certifications Section */
.education-certs {
    padding: 5rem 1.5rem;
    background-color: #f8fafc;
}

.edu-certs-grid {
    display: grid;
    gap: 4rem;
}

.education .section-header h2,
.certifications .section-header h2 {
    font-size: 1.875rem;
}

.edu-card {
    background-color: #fff;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.edu-card h3 {
    font-size: 1.25rem;
    color: #0f172a;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.edu-card .school {
    color: #334155;
    margin-bottom: 0.25rem;
}

.edu-card .period {
    color: #64748b;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cert-card {
    background-color: #fff;
    border-radius: 0.5rem;
    padding: 1.25rem;
    border-left: 4px solid #0f172a;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.cert-card h3 {
    font-size: 1.125rem;
    color: #0f172a;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.cert-card .issuer {
    color: #475569;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.cert-card .date {
    color: #64748b;
    font-size: 0.875rem;
}

/* Hobbies Section */
.hobbies {
    padding: 5rem 1.5rem;
    background-color: #fff;
}

.hobbies-grid {
    display: grid;
    gap: 2rem;
}

.hobby-card {
    background-color: #f8fafc;
    border-radius: 0.5rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.2s;
}

.hobby-card:hover {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

.hobby-icon {
    width: 3rem;
    height: 3rem;
    background-color: #0f172a;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.hobby-icon svg {
    color: #fff;
}

.hobby-card h3 {
    font-size: 1.25rem;
    color: #0f172a;
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.hobby-card p {
    color: #334155;
    line-height: 1.625;
}

/* Footer */
.footer {
    background-color: #0f172a;
    color: #fff;
    padding: 2rem 1.5rem;
    text-align: center;
}

.footer .copyright {
    color: #94a3b8;
}

.footer .tagline {
    color: #64748b;
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Responsive Design */
@media (min-width: 640px) {
    .hobbies-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .job-header {
        flex-direction: row;
        align-items: flex-start;
        justify-content: space-between;
    }
}

@media (min-width: 768px) {
    .hero-content {
        flex-direction: row;
        align-items: center;
    }

    .hero-text {
        text-align: left;
    }

    .hero-buttons {
        justify-content: flex-start;
    }

    .about-content {
        grid-template-columns: 2fr 3fr;
    }

    .edu-certs-grid {
        grid-template-columns: 1fr 1fr;
    }
}