/* Navbar mobile styles */
@media (max-width: 800px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        right: 0;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0,0,0,0.07);
        border-radius: 0 0 0.5rem 0.5rem;
        flex-direction: column;
        width: 180px;
        z-index: 100;
        padding: 1rem 0.5rem;
    }
    .nav-links.nav-active {
        display: flex;
    }
    .menu-icon {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 36px;
        height: 36px;
        cursor: pointer;
        z-index: 101;
    }
    .menu-icon span {
        display: block;
        width: 24px;
        height: 3px;
        background: #888;
        margin: 3px 0;
        border-radius: 2px;
        transition: 0.3s;
    }
    .menu-icon.open span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }
    .menu-icon.open span:nth-child(2) {
        opacity: 0;
    }
    .menu-icon.open span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }
}

@media (min-width: 801px) {
    .menu-icon {
        display: none !important;
    }
    .nav-links {
        display: flex !important;
        position: static;
        flex-direction: row;
        background: none;
        box-shadow: none;
        border-radius: 0;
        width: auto;
        padding: 0;
    }
}
/* CSS for Ann Binus - CS Portfolio */

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

:root {
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --text-primary: #000000;
    --text-secondary: #666666;
    --accent: #000000;
    --border: #e0e0e0;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 2rem 4rem;
    background: rgba(250, 250, 250, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.menu-icon {
    width: 30px;
    height: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
}

.menu-icon span {
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    gap: 3rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 4rem;
    position: relative;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 8rem;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(4rem, 10vw, 8rem);
    font-weight: 700;
    line-height: 0.95;
    margin-bottom: 3rem;
    letter-spacing: -0.02em;
}

.hero-email {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 6rem;
}

.copy-icon {
    width: 18px;
    height: 18px;
    cursor: pointer;
    transition: opacity 0.3s;
}

.copy-icon:hover {
    opacity: 0.6;
}

.hero-bio {
    max-width: 600px;
}

.hero-bio p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-image {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    overflow: hidden;
    background: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Section Styling */
section {
    padding: 8rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 4rem;
    align-items: baseline;
    margin-bottom: 4rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.section-number {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* Education Section */
.education-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.education-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}

.education-item:last-child {
    border-bottom: none;
}

.education-year {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.education-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.education-content .university {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.coursework {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.course-tag {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.course-tag:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin: 0 auto;
    max-width: 900px;
    background: none;
    box-shadow: none;
    border-radius: 0;
}

.skill-category h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.7rem;
    padding-bottom: 0;
    border-bottom: none;
    color: var(--text-primary);
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.2rem;
}

.skill-item {
    font-size: 0.97rem;
    color: var(--text-secondary);
    padding: 0.2rem 0;
    background: none;
    border-radius: 0.5rem;
    transition: color 0.2s;
}

.skill-item:hover {
    color: var(--text-primary);
}

/* Experience Section */
.experience-list {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.experience-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 4rem;
}

.experience-period {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.experience-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.experience-content .company {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.experience-content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.experience-content li {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.8rem;
}

.experience-content li::before {
    content: '—';
    position: absolute;
    left: 0;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.tech-tag {
    padding: 0.4rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    transition: all 0.3s;
    overflow: hidden;
}

.project-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    transform: translateY(-5px);
}

.project-visual {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    border-bottom: 1px solid var(--border);
}

.project-content {
    padding: 2.5rem;
}

.project-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.project-content p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.project-links {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.project-link {
    font-size: 0.9rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.3s;
}

.project-link:hover {
    opacity: 0.6;
}

.project-link::after {
    content: '→';
}

/* Contact Section */
.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-content h2 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.contact-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.contact-method {
    padding: 2.5rem 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.contact-method:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.contact-method h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.contact-method a {
    font-size: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s;
    letter-spacing: 0.05em;
}

.cta-button:hover {
    background: var(--text-secondary);
}

/* Footer */
footer {
    padding: 4rem;
    border-top: 1px solid var(--border);
    margin-top: 8rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--text-primary);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    nav {
        padding: 2rem;
    }

    .hero {
        padding: 6rem 2rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-image {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    section {
        padding: 6rem 2rem;
    }

    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .education-item,
    .experience-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-header {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: none;
    }
}