@import url('parts/navbar.css');
@import url('parts/footer.css');
@import url('parts/pagination.css');

:root {
    --primary-color: #0070f3;
    --secondary-color: #0366d6;
    --dark-color: #1a1a1a;
    --light-color: #ffffff;
    --gray-color: #888888;
    --bg-color: #ffffff;
    --text-color: #333333;
    --border-color: #eaeaea;
    --card-bg: #ffffff;
    --section-bg: #f9f9f9;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --radius: 12px;
    --transition: all 0.3s ease;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

#progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 4px;
    background-color: #417cd1;
    z-index: 1000;
    transition: width 0.2s ease-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans), serif;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

a {
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    margin-bottom: 1.5rem;
    font-size: clamp(1rem, 2vw, 1.125rem);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background-color: var(--primary-color);
}

/* Buttons */
.button {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
}

.button:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.view-all {
    text-align: center;
    margin-top: 2rem;
}

.hero {
    padding: 6rem 0;
    text-align: center;
    border-radius: 0 0 var(--radius) var(--radius);
}

.profile-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid var(--light-color);
    box-shadow: var(--shadow);
    animation: fadeIn 1s ease-in-out;
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    transition: transform 0.5s ease;
}

.profile-image:hover img {
    transform: scale(1.05);
}

.name {
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s ease-in-out 0.2s both;
}

.job-title {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    animation: fadeInUp 1s ease-in-out 0.4s both;
}

.quote {
    font-style: italic;
    color: var(--gray-color);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease-in-out 0.6s both;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    animation: fadeInUp 1s ease-in-out 0.8s both;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--light-color);
    color: var(--dark-color);
    font-size: 1.25rem;
    transition: var(--transition);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--light-color);
    transform: translateY(-5px);
}

/* Sections */
section {
    padding: 5rem 0;
}

.page-header {
    text-align: center;
    padding: 4rem 0;
    background-color: var(--section-bg);
    margin-bottom: 2rem;
    border-radius: 0 0 var(--radius) var(--radius);
}

/* Card Grid Layouts */
.article-grid,
.project-grid,
.certification-grid,
.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

/* Card Components */
.article-card,
.project-card,
.certification-card,
.language-card {
    background-color: var(--card-bg);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.article-card:hover,
.project-card:hover,
.certification-card:hover,
.language-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.article-image,
.project-image,
.certification-image,
.language-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.article-image img,
.project-image img,
.certification-image img,
.language-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-card:hover .article-image img,
.project-card:hover .project-image img,
.certification-card:hover .certification-image img,
.language-card:hover .language-image img {
    transform: scale(1.05);
}

.article-content,
.project-content,
.certification-content,
.language-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.article-date,
.certification-date,
.project-date {
    font-size: 0.875rem;
    color: var(--gray-color);
    margin-bottom: 1rem;
}

.read-more {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

.read-more::after {
    content: '→';
    transition: transform 0.2s ease;
}

.read-more:hover::after {
    transform: translateX(4px);
}

/* Project specific styles */
.project-meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.type-badge {
    display: inline-block;
    background-color: rgba(0, 112, 243, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.github-link,
.live-link,
.details-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.938rem;
}

/* Education timeline */
.education-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.education-timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item {
    padding: 2rem 0;
    position: relative;
}

.timeline-content {
    position: relative;
    background-color: var(--card-bg);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    max-width: 80%;
    margin-left: auto;
    margin-right: auto;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 5%;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 5%;
}

.timeline-period {
    color: var(--gray-color);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Detail pages */
.article-detail,
.project-detail,
.certification-detail {
    padding: 5rem 0;
}

.article-header,
.project-header,
.certification-header {
    text-align: center;
    margin-bottom: 3rem;
}

.article-featured-image,
.project-featured-image,
.certification-image {
    margin-bottom: 3rem;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.article-featured-image img,
.project-featured-image img,
.certification-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.article-body,
.project-body,
.certification-description {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.content-section {
    margin-bottom: 3rem;
}

.article-navigation,
.project-navigation,
.certification-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.prev-article,
.next-article,
.prev-project,
.next-project,
.prev-certification,
.next-certification {
    display: flex;
    flex-direction: column;
    max-width: 45%;
}

.nav-label {
    font-size: 0.875rem;
    color: var(--gray-color);
    margin-bottom: 0.5rem;
}

.nav-title {
    font-weight: 600;
}

/* Project technologies */
.project-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.technology-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.technology-item img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.timeline-img {
    object-fit: cover;
    width: 96px;
    height: 96px;
}

.custom-links {
    color: #007BFF;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease, text-decoration 0.3s ease;
}

.custom-links:hover {
    color: #0056b3;
    text-decoration: underline;
}