:root {
    /* Dark Theme Default */
    --bg-color: #0d0d0d;
    --surface-color: #171717;
    --surface-hover: #1f1f1f;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --accent-color: #ffffff;
    --accent-text: #000000;
    --border-color: #27272a;
    --status-green: #22c55e;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --mobile-width: 480px;
}

[data-theme="light"] {
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --surface-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-color: #0f172a;
    --accent-text: #ffffff;
    --border-color: #e2e8f0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    transition: var(--transition);
    line-height: 1.5;
    display: flex;
    justify-content: center;
    padding: 20px;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: var(--mobile-width);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Typography */
h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 8px 0;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Navigation */
nav {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 20px;
    z-index: 100;
}

.nav-left {
    display: flex;
    gap: 16px;
}

.nav-icon {
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

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

.nav-right {
    display: flex;
    gap: 12px;
    align-items: center;
}

.btn-hire {
    background: var(--accent-color);
    color: var(--accent-text);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition);
}

.theme-toggle {
    color: var(--text-secondary);
    cursor: pointer;
}

/* Sections */
section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 24px;
}

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(34, 197, 94, 0.1);
    color: var(--status-green);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hero-text {
    flex: 1;
}

.hero-portrait {
    width: 100px;
    height: 100px;
    border-radius: 24px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    background: var(--bg-color);
}

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

.hero-meta {
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Lists and Cards */
.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.section-title i {
    font-style: normal;
    color: var(--text-secondary);
}

.card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

.card:hover {
    background: var(--surface-hover);
    transform: translateY(-2px);
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--surface-hover);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.card-info {
    flex: 1;
}

.card-name {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 2px;
}

.card-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.card-arrow {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* Portfolios */
.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.portfolio-item {
    text-decoration: none;
    color: inherit;
}

.portfolio-thumb {
    aspect-ratio: 1;
    border-radius: 16px;
    background: var(--bg-color);
    overflow: hidden;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
}

.portfolio-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-caption {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: flex;
    gap: 12px;
}

input,
textarea {
    width: 100%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

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

textarea {
    min-height: 120px;
    resize: none;
}

.btn-submit {
    background: var(--text-primary);
    color: var(--bg-color);
    border: none;
    padding: 14px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    opacity: 0.9;
}

/* Footer */
.social-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--text-primary);
}

.footer-copy {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 20px 0 40px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #ffffff;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.lightbox-close:hover {
    color: #cccccc;
}