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

:root {
    --color-text: #1a1a1a;
    --color-text-light: #666;
    --color-bg: #ffffff;
    --color-border: #e0e0e0;
    --color-hover: #333;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: var(--line-height-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.25rem;
    font-weight: 300;
    text-decoration: none;
    color: var(--color-text);
    letter-spacing: 0.3px;
}

.nav-logo:hover {
    color: var(--color-hover);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
    margin-left: auto;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.3px;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--color-hover);
}

.nav-link.active {
    color: var(--color-text);
    font-weight: 400;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-left: var(--spacing-sm);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 300;
    letter-spacing: 0.5px;
    cursor: pointer;
    padding: 0;
    transition: color 0.2s ease;
    font-family: var(--font-primary);
}

.lang-btn:hover {
    color: var(--color-hover);
}

.lang-btn.active {
    font-weight: 400;
    color: var(--color-text);
}

.lang-separator {
    color: var(--color-text-light);
    font-weight: 300;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    gap: 4px;
    order: 2;
}

.nav-toggle span {
    width: 24px;
    height: 1px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
}

/* Main Content */
.main {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 1px;
    color: var(--color-text);
}

/* Bio Section */
.bio-section {
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.bio-content {
    max-width: 800px;
    margin: 0 auto;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.bio-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.bio-text:last-of-type {
    margin-bottom: var(--spacing-md);
}

.bio-links {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.bio-links-text {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.3px;
}

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

.bio-links-list li {
    margin-bottom: var(--spacing-xs);
}

.bio-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 300;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
    letter-spacing: 0.2px;
}

.bio-link:hover {
    border-bottom-color: var(--color-text);
}

/* Work Preview */
.work-preview {
    padding: var(--spacing-lg) 0;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.work-item {
    position: relative;
    overflow: hidden;
}

.work-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
    max-width: 100%;
    max-height: 800px;
    object-fit: cover;
    object-position: center;
    cursor: pointer;
}

.work-item:hover .work-image {
    transform: scale(1.02);
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.image-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-content {
    position: relative;
    max-width: 95%;
    max-height: 95%;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal img {
    max-width: 100%;
    max-height: 95vh;
    width: auto;
    height: auto;
    object-fit: contain;
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #fff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    line-height: 1;
    transition: opacity 0.2s ease;
    z-index: 10000;
}

.image-modal-close:hover {
    opacity: 0.7;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.work-info {
    padding: var(--spacing-sm) 0;
}

.work-title {
    font-size: 0.95rem;
    font-weight: 300;
    color: var(--color-text);
    letter-spacing: 0.3px;
}

.work-year-text {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.3px;
    margin-top: 0.25rem;
}

.work-link-container {
    text-align: center;
    margin-top: var(--spacing-md);
}

.work-link {
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.5px;
    transition: color 0.2s ease;
}

.work-link:hover {
    color: var(--color-hover);
}

/* Work Page */
.work-page {
    padding: var(--spacing-lg) 0;
}

.page-title {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.5px;
}

.work-year-section {
    margin-bottom: var(--spacing-xl);
}

.work-year {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
    color: var(--color-text-light);
}

/* CV Page */
.cv-page {
    padding: var(--spacing-lg) 0;
}

.cv-content {
    max-width: 800px;
    margin: 0 auto;
}

.cv-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.cv-section:last-child {
    border-bottom: none;
}

.cv-section-title {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
    color: var(--color-text);
}

.cv-item {
    margin-bottom: var(--spacing-md);
}

.cv-item:last-child {
    margin-bottom: 0;
}

.cv-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    font-weight: 300;
    margin-bottom: var(--spacing-xs);
}

.cv-text:last-child {
    margin-bottom: 0;
}

.cv-contact {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.cv-contact-item {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text);
    font-weight: 300;
    margin-bottom: var(--spacing-xs);
}

.cv-contact-item:last-child {
    margin-bottom: 0;
}

.cv-link {
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.cv-link:hover {
    border-bottom-color: var(--color-text);
}

.cv-text strong {
    font-weight: 400;
}

.cv-online-presence {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.cv-online-title {
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.3px;
}

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

.cv-online-list li {
    margin-bottom: var(--spacing-xs);
}

.cv-online-list li:last-child {
    margin-bottom: 0;
}

/* Contact Page */
.contact-page {
    padding: var(--spacing-lg) 0;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form-section,
.newsletter-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.newsletter-section {
    border-bottom: none;
}

.contact-section-title {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    font-weight: 300;
    color: var(--color-text);
    letter-spacing: 0.3px;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 300;
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-text);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.form-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-bg);
    border: 1px solid var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.form-submit:hover {
    background-color: var(--color-hover);
    border-color: var(--color-hover);
}

/* Newsletter */
.newsletter-text {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
    font-weight: 300;
}

.newsletter-input-group {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 300;
    transition: border-color 0.2s ease;
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--color-text);
}

.newsletter-submit {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-text);
    color: var(--color-bg);
    border: 1px solid var(--color-text);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 300;
    letter-spacing: 0.3px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.newsletter-submit:hover {
    background-color: var(--color-hover);
    border-color: var(--color-hover);
}

/* Footer */
.footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--spacing-xl);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    justify-content: flex-end;
}

.instagram-link {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.instagram-link:hover {
    color: var(--color-hover);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        gap: var(--spacing-sm);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .lang-switcher {
        margin-left: 0;
        margin-top: var(--spacing-xs);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
        min-width: 44px;
        min-height: 44px;
        padding: var(--spacing-xs);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .nav-link {
        display: block;
        padding: var(--spacing-sm) 0;
        font-size: 1rem;
    }

    .hero-title {
        font-size: 2rem;
    }

    .work-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .work-image {
        width: 100%;
        height: auto;
    }

    .newsletter-input-group {
        flex-direction: column;
    }

    .newsletter-submit {
        width: 100%;
        min-height: 44px;
    }

    .form-submit {
        width: 100%;
        min-height: 44px;
    }

    .form-input,
    .form-textarea,
    .newsletter-input {
        font-size: 16px; /* Prevents zoom on iOS */
        min-height: 44px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-md) 0;
    }

    .bio-section,
    .work-preview,
    .work-page,
    .cv-page,
    .contact-page {
        padding: var(--spacing-md) 0;
    }

    .bio-text {
        font-size: 1rem;
        line-height: 1.7;
    }

    .cv-section {
        margin-bottom: var(--spacing-lg);
    }

    .cv-text {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .bio-links-list {
        padding-left: 0;
    }

    .bio-link,
    .cv-link {
        font-size: 0.9rem;
        word-break: break-word;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
        line-height: 1.2;
    }

    .page-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .section-title,
    .contact-section-title {
        font-size: 1.25rem;
        line-height: 1.4;
    }

    .nav-container {
        padding: 0 var(--spacing-sm);
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .bio-content,
    .cv-content,
    .contact-content {
        max-width: 100%;
    }

    .work-year {
        font-size: 1.1rem;
    }

    .work-title {
        font-size: 0.9rem;
    }

    .cv-section-title {
        font-size: 1.1rem;
    }

    .cv-contact-item {
        font-size: 0.9rem;
    }

    .lang-btn {
        min-width: 44px;
        min-height: 44px;
        font-size: 0.9rem;
    }
}