/* ===== CSS RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Dark Mode with Milky Pink */
    --primary-color: #ffffff;
    --accent-pink: #ffc4d6;
    --accent-pink-dark: #ffb3c9;
    --accent-pink-subtle: #2a1f23;
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #2a2a2a;
    --border-color: #333333;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 12px 0 rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 8px 20px 0 rgba(0, 0, 0, 0.6);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --transition: all 0.2s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

/* ===== UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

/* ===== NAVIGATION ===== */
.navbar {
    background-color: var(--bg-primary);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-pink);
    text-decoration: none;
    transition: var(--transition);
}

.logo:hover,
.logo:focus {
    color: var(--accent-pink-dark);
    outline: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-pink);
    border-bottom-color: var(--accent-pink);
    outline: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 3px;
}

/* ===== MAIN SECTION ===== */
.main-section {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 6rem 0 8rem;
    min-height: 80vh;
}

/* Remove container padding for main section to minimize spacing */
.main-section .container {
    padding: 0;
}

.main-header {
    max-width: 1100px;
    margin: 0 auto 3rem;
    text-align: center;
}

.main-header h1 {
    font-size: 2.75rem;
    font-weight: 400;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.wave {
    display: inline-block;
    animation: wave-animation 2.5s ease-in-out infinite;
}

@keyframes wave-animation {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(14deg); }
    20% { transform: rotate(-8deg); }
    40% { transform: rotate(-4deg); }
    50% { transform: rotate(10deg); }
    60% { transform: rotate(0deg); }
}

.subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Flexbox layout: 550px image + 3rem gap + flexible text column */
.main-content {
    max-width: 950px;
    margin: 0 auto;
    display: flex;
    gap: 3rem;  /* Space between image and text */
    align-items: start;
}

.profile-image {
    position: sticky;
    top: 6rem;
    flex-shrink: 0;  /* Prevent image from shrinking */
}

/* Profile image: 550px wide, maintains natural aspect ratio */
.main-section .profile-pic {
    width: 550px;
    height: auto;  /* Maintains aspect ratio */
    border-radius: 2px;
    object-fit: cover;
    box-shadow: var(--shadow-md);
}

.main-text {
    flex: 1;  /* Takes remaining space */
}

.bio {
    margin-bottom: 3rem;
}

.bio p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    background-color: var(--accent-pink);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: 2px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: var(--transition);
    border: none;
}

.btn:hover,
.btn:focus {
    background-color: var(--accent-pink-dark);
    outline: none;
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--bg-secondary);
    border-color: var(--accent-pink);
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 6rem 0;
    background-color: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    text-align: center;
}

.profile-pic {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 2px;
    box-shadow: var(--shadow-md);
    border: none;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-pink);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--accent-pink-subtle);
    border-radius: 2px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.stat:hover {
    border-color: var(--accent-pink);
}

.stat h4 {
    font-size: 1.5rem;
    color: var(--accent-pink);
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.stat p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ===== RESUME DOWNLOAD ===== */
.resume-download {
    margin-top: 2rem;
    text-align: center;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-download svg {
    flex-shrink: 0;
}

.resume-section {
    margin-bottom: 4rem;
}

.resume-subtitle {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    border-left: 3px solid var(--accent-pink);
    padding-left: 1rem;
    font-weight: 400;
}

.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -0.3rem;
    top: 0.5rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-pink);
    border: 2px solid var(--bg-secondary);
}

.timeline-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.company {
    color: var(--accent-pink);
    font-weight: 600;
    margin-bottom: 0.5rem;
    display: block;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== SKILLS ===== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.skill-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-radius: 2px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.skill-tag:hover {
    background-color: var(--accent-pink-subtle);
    border-color: var(--accent-pink);
}

/* ===== BLOG SECTION ===== */
.blog {
    padding: 6rem 0;
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.blog .container {
    max-width: 800px;
}

.blog-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.blog-item {
    border-bottom: 1px solid var(--border-color);
}

.blog-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    padding: 2rem 0;
    text-decoration: none;
    transition: var(--transition);
}

.blog-link:hover {
    padding-left: 1rem;
}

.blog-link:hover .blog-info h3 {
    color: var(--accent-pink);
}

.blog-info {
    flex: 1;
}

.blog-info h3 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.blog-info p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.blog-date {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    font-weight: 500;
}

.view-all-container {
    margin-top: 3rem;
    text-align: center;
}

/* ===== WRITING ARCHIVE PAGE ===== */
.writing-archive {
    padding: 4rem 0 6rem;
    background-color: var(--bg-primary);
    min-height: 80vh;
}

.writing-archive .container {
    max-width: 800px;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-primary);
}

.search-container {
    position: relative;
    margin-bottom: 3rem;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    color: var(--text-primary);
    transition: var(--transition);
    font-family: var(--font-sans);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-pink);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.loading-indicator {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-pink);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-indicator p {
    font-size: 0.95rem;
}

/* ===== ARTICLE PAGE ===== */
.article-page {
    padding: 4rem 0 6rem;
    background-color: var(--bg-primary);
}

.article-page .container {
    max-width: 720px;
}

.article-header {
    margin-bottom: 3rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.back-link:hover,
.back-link:focus {
    color: var(--accent-pink);
}

.back-link svg {
    flex-shrink: 0;
}

.article-title {
    font-size: 2.75rem;
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.article-meta time,
.article-meta .reading-time {
    display: flex;
    align-items: center;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

.article-lead {
    font-size: 1.3rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 2.5rem;
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.article-content h3 {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content a {
    color: var(--accent-pink);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-pink);
    transition: var(--transition);
}

.article-content a:hover,
.article-content a:focus {
    border-bottom-color: transparent;
}

.article-footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.back-link-footer {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: var(--transition);
}

.back-link-footer:hover,
.back-link-footer:focus {
    color: var(--accent-pink);
}

/* ===== 404 ERROR PAGE ===== */
.error-page {
    padding: 8rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
    background-color: var(--bg-primary);
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--accent-pink);
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
}

.error-title {
    font-size: 2.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.error-message {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

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

.social-links {
    display: flex;
    gap: 1.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem;
    font-size: 0.95rem;
}

.social-link:hover,
.social-link:focus {
    color: var(--accent-pink);
    outline: none;
}

.social-link svg {
    flex-shrink: 0;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets */
@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

    .main-header h1 {
        font-size: 2.25rem;
    }

    .main-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .profile-image {
        position: static;
        text-align: center;
    }

    .profile-pic {
        max-width: 240px;
    }

    .blog-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .blog-date {
        order: -1;
        font-size: 0.8rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .error-code {
        font-size: 6rem;
    }

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

    .error-message {
        font-size: 1rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 1rem 0;
    }

    .main-section {
        padding: 3rem 0 4rem;
    }

    .main-header h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .main-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .profile-image {
        text-align: center;
    }

    .profile-pic {
        max-width: 180px;
    }

    .bio p {
        font-size: 1rem;
    }

    .blog {
        padding: 3rem 0;
    }

    .blog-link {
        padding: 1.5rem 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .blog-link:hover {
        padding-left: 0;
    }

    .blog-date {
        order: -1;
        font-size: 0.75rem;
    }

    .blog-info h3 {
        font-size: 1.1rem;
    }

    .blog-info p {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

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

    .article-content {
        font-size: 1rem;
    }

    .article-lead {
        font-size: 1.15rem;
    }

    .article-content h2 {
        font-size: 1.5rem;
    }

    .article-content h3 {
        font-size: 1.25rem;
    }

    .error-code {
        font-size: 4.5rem;
    }

    .error-title {
        font-size: 1.75rem;
    }

    .error-actions {
        flex-direction: column;
        width: 100%;
    }

    .error-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===== ACCESSIBILITY ===== */

/* Focus visible styles for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--accent-pink);
    outline-offset: 2px;
}

/* Ensure sufficient color contrast */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #ffffff;
        --text-secondary: #e0e0e0;
        --accent-pink: #ffccd9;
    }
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}