/* Reset and base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 18px;
    line-height: 1.7;
    color: #1a1a1a;
    background-color: #ffffff;
}

a {
    color: #0d9488;
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #0f766e;
}

/* Container */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #e5e7eb;
    z-index: 100;
    opacity: 0;
    transform: translateY(-100%);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.nav.visible {
    opacity: 1;
    transform: translateY(0);
}

.nav-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-name {
    font-weight: 600;
    font-size: 18px;
    color: #1a1a1a;
}

.nav-name:hover {
    color: #0d9488;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-size: 16px;
    color: #6b7280;
}

.nav-links a:hover {
    color: #0d9488;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 24px;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.hero .title {
    font-size: 24px;
    color: #0d9488;
    margin-bottom: 8px;
}

.hero .tagline {
    font-size: 18px;
    color: #6b7280;
    margin-bottom: 24px;
}

.hero .summary {
    font-size: 16px;
    color: #4b5563;
    max-width: 560px;
    line-height: 1.6;
    margin: 32px auto 48px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    font-size: 16px;
}

.contact-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1a1a1a;
}

.contact-links a:hover {
    color: #0d9488;
}

.contact-links svg {
    flex-shrink: 0;
}

/* Scroll hint */
.scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #6b7280;
    transition: color 0.2s ease;
}

.scroll-hint:hover {
    color: #0d9488;
}

.scroll-text {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.scroll-arrow {
    width: 16px;
    height: 16px;
    border-right: 3px solid currentColor;
    border-bottom: 3px solid currentColor;
    transform: rotate(45deg);
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background-color: #f9fafb;
}

.section h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 40px;
    color: #1a1a1a;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.skill-category h3 {
    font-size: 17px;
    font-weight: 600;
    color: #0d9488;
    margin-bottom: 8px;
}

.skill-category p {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.6;
}

/* Experience */
.job {
    padding-bottom: 40px;
    margin-bottom: 40px;
    border-bottom: 1px solid #e5e7eb;
}

.job:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.job h3 {
    font-size: 19px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.job .company {
    font-size: 16px;
    color: #6b7280;
}

.job .date {
    font-size: 15px;
    color: #6b7280;
    white-space: nowrap;
}

.job ul {
    list-style: none;
    padding-left: 0;
}

.job li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    font-size: 16px;
    color: #4b5563;
}

.job li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: #0d9488;
    border-radius: 50%;
}

.job .client {
    margin-top: 16px;
    padding: 16px;
    background-color: #ffffff;
    border-left: 3px solid #0d9488;
    font-size: 16px;
    color: #4b5563;
}

.job .client strong {
    color: #1a1a1a;
}

/* Projects */
.project {
    padding-bottom: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid #e5e7eb;
}

.project:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.project h3 {
    font-size: 19px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.project-link {
    color: #9ca3af;
    transition: color 0.2s ease;
    display: inline-flex;
}

.project-link:hover {
    color: #0d9488;
}

.project-tech {
    font-size: 14px;
    color: #0d9488;
    font-weight: 500;
    margin-bottom: 12px;
}

.project p {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.6;
}

/* Certifications */
.cert-list {
    list-style: none;
}

.cert-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    font-size: 17px;
    color: #4b5563;
}

.cert-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background-color: #0d9488;
    border-radius: 50%;
}

/* Education */
.education-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.edu-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.edu-item h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.edu-item .school {
    font-size: 16px;
    color: #6b7280;
}

.edu-item .date {
    font-size: 15px;
    color: #6b7280;
}

/* Footer */
.footer {
    padding: 80px 0;
    text-align: center;
}

.footer h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px 32px;
    margin-bottom: 16px;
}

.footer-links a {
    color: #1a1a1a;
    font-size: 16px;
}

.footer-links a:hover {
    color: #0d9488;
}

.location-footer {
    font-size: 16px;
    color: #6b7280;
    margin-bottom: 40px;
}

.languages {
    margin-bottom: 40px;
}

.languages h3 {
    font-size: 15px;
    font-weight: 600;
    color: #6b7280;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.languages p {
    font-size: 16px;
    color: #4b5563;
}

.copyright {
    font-size: 15px;
    color: #9ca3af;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 36px;
    }

    .hero .title {
        font-size: 18px;
    }

    .hero .summary {
        font-size: 15px;
    }

    .contact-links {
        flex-direction: column;
        gap: 12px;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .job-header {
        flex-direction: column;
        gap: 4px;
    }

    .job .date {
        font-size: 13px;
    }

    .edu-item {
        flex-direction: column;
        gap: 4px;
    }

    .nav-links {
        gap: 16px;
    }

    .nav-links a {
        font-size: 14px;
    }

    .section {
        padding: 60px 0;
    }

    .section h2 {
        font-size: 24px;
        margin-bottom: 32px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 12px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}