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

html {
    overflow-x: hidden;
}

:root {
    --primary-color: #0066ff;
    --primary-rgb: 0, 102, 255;
    --secondary-color: #1a1a1a;
    --text-color: #333;
    --text-light: #666;
    --bg-color: #ffffff;
    --bg-alt: #f8f9fa;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
    --transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease, opacity 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #4d94ff;
    --primary-rgb: 77, 148, 255;
    --secondary-color: #e0e0e0;
    --text-color: #e0e0e0;
    --text-light: #a0a0a0;
    --bg-color: #0d1117;
    --bg-alt: #161b22;
    --border-color: #30363d;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.68;
    color: var(--text-color);
    background-color: var(--bg-color);
    background-image:
        radial-gradient(circle at 10% 8%, rgba(var(--primary-rgb), 0.08), transparent 26%),
        radial-gradient(circle at 88% 0%, rgba(var(--primary-rgb), 0.07), transparent 20%);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    letter-spacing: -0.02em;
}

p {
    line-height: 1.72;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 5rem;
}

/* Navigation */
.navbar {
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .navbar {
    background: rgba(13, 17, 23, 0.95);
}

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

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.5rem;
    color: var(--text-color);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.35rem 0.65rem;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.12), transparent 65%);
}

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

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

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

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.4rem;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.nav-links a:hover::after {
    transform: scaleX(1);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: linear-gradient(145deg, rgba(var(--primary-rgb), 0.06), transparent 55%), var(--bg-color);
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.hero::before {
    width: 440px;
    height: 440px;
    top: -160px;
    right: -140px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.22) 0%, transparent 68%);
}

.hero::after {
    width: 360px;
    height: 360px;
    bottom: -180px;
    left: -140px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.14) 0%, transparent 70%);
}

.hero-content {
    flex: 1;
    min-width: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.12);
    border: 1px solid rgba(var(--primary-rgb), 0.24);
}

.hero-title {
    font-size: clamp(2.3rem, 5.4vw, 3.6rem);
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
    letter-spacing: -1px;
    line-height: 1.1;
}

.hero-highlight {
    background: linear-gradient(120deg, var(--secondary-color) 25%, var(--primary-color) 88%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1.15rem, 2.2vw, 1.55rem);
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-weight: 400;
    line-height: 1.45;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    max-width: 72ch;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-trust {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.8rem;
}

.hero-stat {
    padding: 0.9rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-alt);
}

.hero-stat strong {
    display: block;
    color: var(--secondary-color);
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.hero-stat span {
    font-size: 0.83rem;
    color: var(--text-light);
}

/* Buttons */
.btn {
    padding: 0.875rem 2rem;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), #004ed0);
    color: white;
    box-shadow: 0 10px 24px rgba(var(--primary-rgb), 0.28);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0052cc, #003ea8);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(var(--primary-rgb), 0.16);
    border-color: rgba(var(--primary-rgb), 0.35);
}

/* Quick Links Section */
.quick-links {
    padding: 4.75rem 0;
    background: linear-gradient(180deg, rgba(var(--primary-rgb), 0.04), transparent 26%), var(--bg-alt);
}

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

.link-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.link-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(125deg, rgba(var(--primary-rgb), 0.12), transparent 48%);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.link-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(var(--primary-rgb), 0.35);
}

.link-card:hover::before {
    opacity: 1;
}

.link-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.10);
    border-radius: 14px;
    margin-bottom: 1.25rem;
    color: var(--primary-color);
    transition: background 0.25s ease, transform 0.25s ease;
}

.link-card:hover .link-icon {
    background: rgba(var(--primary-rgb), 0.18);
    transform: scale(1.08);
}

.link-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

.link-card p {
    color: var(--text-light);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.link-arrow {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
}

.link-arrow:hover {
    transform: translateX(4px);
}

/* Page Header */
.page-header {
    padding: 4.5rem 0 2.25rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-header h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--secondary-color);
    margin-bottom: 0.7rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.page-header .subtitle {
    font-size: 1.15rem;
    color: var(--text-light);
    line-height: 1.65;
}

/* ── Search integrated in page-header ── */
.page-header--has-search {
    padding: 2.5rem 0;
}

.page-header--has-search .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    text-align: left;
}

.page-header-text {
    flex: 1;
    min-width: 0;
}

.page-header-text h1 {
    font-size: 2.75rem;
    color: var(--secondary-color);
    margin-bottom: 0.4rem;
    word-wrap: break-word;
}

.page-header-text .subtitle {
    font-size: 1.05rem;
    color: var(--text-light);
}

.page-header-search {
    flex-shrink: 0;
    width: 340px;
}

/* Search form */
.search-form {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.search-field {
    display: flex;
    align-items: center;
    background: var(--bg-alt);
    border: 1.5px solid var(--border-color);
    border-radius: 50px;
    overflow: hidden;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.search-field:focus-within {
    border-color: var(--primary-color);
    background: var(--bg-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.13), 0 2px 10px rgba(0, 0, 0, 0.06);
}

.search-icon {
    display: flex;
    align-items: center;
    padding: 0 0.5rem 0 1.1rem;
    color: var(--text-light);
    pointer-events: none;
    flex-shrink: 0;
    transition: color 0.25s ease;
}

.search-field:focus-within .search-icon {
    color: var(--primary-color);
}

.search-input {
    flex: 1;
    padding: 0.72rem 0.4rem;
    font-size: 0.95rem;
    color: var(--text-color);
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    min-width: 0;
}

.search-input::placeholder {
    color: var(--text-light);
    opacity: 0.85;
}

.search-input[type="search"]::-webkit-search-cancel-button {
    display: none;
}

.search-btn {
    margin: 4px;
    padding: 0.52rem 1.15rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    letter-spacing: 0.02em;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.search-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.search-btn:active {
    transform: translateY(0);
    opacity: 1;
}

.search-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
    animation: searchFadeIn 0.2s ease both;
}

.search-meta strong {
    color: var(--text-color);
}

.search-clear {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: opacity 0.2s ease;
}

.search-clear:hover {
    opacity: 0.7;
    text-decoration: underline;
}

@keyframes searchFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Live filter — card hide/show */
.card-hidden {
    display: none !important;
}

.live-empty-hidden {
    display: none !important;
}

/* Mobile: stack search below heading */
@media (max-width: 768px) {
    .page-header--has-search {
        padding: 2rem 0;
    }

    .page-header--has-search .container {
        flex-direction: column;
        align-items: stretch;
        gap: 1.25rem;
        text-align: center;
    }

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

    .page-header-search {
        width: 100%;
    }

    .search-meta {
        justify-content: center;
        flex-wrap: wrap;
    }
}

/* About Page */
.about-content {
    padding: 4.75rem 0;
}

.about-intro {
    max-width: 100%;
    margin: 0 0 3rem;
}

.about-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.about-intro .lead {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.7;
}

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

.about-section h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.about-section p {
    font-size: 1.125rem;
    line-height: 1.82;
    color: var(--text-light);
    margin-bottom: 1rem;
}

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

.skill-category {
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.skill-category h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.skill-category p {
    font-size: 1rem;
    color: var(--text-light);
}

/* Projects Page */
.projects-content {
    padding: 4.75rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    width: 100%;
}

.project-card {
    background: var(--bg-color);
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.06);
}

.project-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.project-image {
    width: 100%;
    height: auto;
    min-height: 200px;
    max-height: 300px;
    overflow: hidden;
    position: relative;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-image img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 300px !important;
    min-height: 200px !important;
    object-fit: cover !important;
    -o-object-fit: cover !important;
    object-position: center !important;
    -o-object-position: center !important;
    transition: transform 0.5s ease;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.project-card:hover .project-image img {
    transform: scale(1.08);
}

.project-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.85rem;
    color: var(--secondary-color);
    line-height: 1.28;
}

.project-card h3 a {
    cursor: pointer;
    transition: var(--transition);
}

.project-card h3:hover {
    color: var(--primary-color);
}

.project-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.74;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: var(--primary-color);
    color: white;
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.project-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.project-link.secondary {
    color: var(--text-light);
}

.project-link:hover {
    gap: 0.5rem;
}

/* Project Detail Page */
.project-tech-stack {
    padding: 2rem;
    background: var(--bg-alt);
    border-radius: 8px;
    margin-bottom: 2rem;
}

.project-tech-stack h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.project-links-section {
    display: flex;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
    flex-wrap: wrap;
}

.project-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.project-btn.primary {
    background: var(--primary-color);
    color: white;
}

.project-btn.primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.3);
}

.project-btn.secondary {
    background: var(--bg-alt);
    color: var(--secondary-color);
    border: 2px solid var(--border-color);
}

.project-btn.secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Blog Page */
.blog-content {
    padding: 4.75rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    width: 100%;
}

.blog-card {
    background: var(--bg-color);
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.06);
}

.blog-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.blog-date {
    color: var(--text-light);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-date::before {
    content: "📅";
}

.blog-card h2 {
    font-size: clamp(1.45rem, 2.5vw, 1.8rem);
    margin-bottom: 0.85rem;
    color: var(--secondary-color);
    line-height: 1.25;
}

.blog-card h2 a {
    cursor: pointer;
    transition: var(--transition);
}

.blog-card h2:hover {
    color: var(--primary-color);
}

.blog-card p {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    line-height: 1.74;
    flex-grow: 1;
}

.blog-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.read-more:hover {
    gap: 0.75rem;
    text-decoration: none;
}

/* Blog Images */
.blog-card .blog-image {
    width: 100%;
    height: auto;
    min-height: 250px;
    max-height: 400px;
    overflow: hidden;
    position: relative;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card .blog-image img {
    width: 100% !important;
    height: 100% !important;
    max-width: 100% !important;
    max-height: 400px !important;
    min-height: 250px !important;
    object-fit: cover !important;
    -o-object-fit: cover !important;
    object-position: center !important;
    -o-object-position: center !important;
    transition: transform 0.5s ease;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.blog-card:hover .blog-image img {
    transform: scale(1.08);
}

/* Blog Detail Page */
.blog-detail-content {
    padding: 2.5rem 0 4.75rem;
}

.blog-article {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    background: var(--bg-color);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.blog-article .blog-content {
    padding: 0;
}

.featured-image {
    width: calc(100% + 6rem);
    margin-left: -3rem;
    margin-right: -3rem;
    margin-top: -3rem;
    margin-bottom: 3rem;
    max-height: 500px;
    min-height: 300px;
    overflow: hidden;
    border-radius: 12px 12px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
}

.featured-image img {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    max-height: 500px !important;
    min-height: 300px !important;
    object-fit: cover !important;
    -o-object-fit: cover !important;
    object-position: center !important;
    -o-object-position: center !important;
    display: block !important;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Detail page meta bar: date left · read-time right */
.detail-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-light);
    width: 100%;
    padding: 0 1.5rem;
    text-align: left;
}

.detail-meta .blog-date {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-bottom: 0;   /* override list-card margin */
    text-align: left;
}

.detail-meta .read-time {
    text-align: right;
}

/* Read time badge — detail pages only */
.read-time {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    background: rgba(0, 102, 255, 0.08);
    padding: 0.22rem 0.65rem;
    border-radius: 20px;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.read-time::before {
    content: "⏱";
    font-size: 0.78rem;
}

.blog-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Post / Project prev-next navigation */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.post-nav-prev {
    justify-self: start;
}

.post-nav-next {
    justify-self: end;
    text-align: right;
}

.post-nav-link {
    display: inline-flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.85rem 1.25rem;
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-color);
    background: var(--bg-alt);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, background 0.2s ease;
    max-width: 280px;
}

.post-nav-link:hover {
    border-color: var(--primary-color);
    background: var(--bg-color);
    box-shadow: 0 4px 14px rgba(0, 102, 255, 0.1);
    transform: translateY(-2px);
}

.post-nav-direction {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--primary-color);
}

.post-nav-title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.4;
    display: -webkit-box;
    line-clamp: 2;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Iconography & Illustrations ─────────────────────────────────────── */

/* Hero two-column layout */
.hero .container {
    display: flex;
    align-items: center;
    gap: 5rem;
}

/* Button icon alignment */
.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-icon svg {
    flex-shrink: 0;
    transition: transform 0.2s ease;
}

.btn-icon:hover svg {
    transform: translateX(3px);
}

/* Skill category icons */
.skill-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.10);
    border-radius: 12px;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Contact method icons */
.contact-method-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--primary-rgb), 0.10);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

/* ── Terminal / Code Window illustration ── */
.hero-illustration {
    flex-shrink: 0;
    width: 400px;
    perspective: 900px;
    opacity: 0;
    transition: opacity 0.45s ease;
}

.hero-illustration.is-ready {
    opacity: 1;
}

.term-window {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.10);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: transform 0.5s ease, box-shadow 0.5s ease;
    font-family: 'Menlo', 'Monaco', 'Consolas', monospace;
    font-size: 0.83rem;
    will-change: transform;
}

.hero-illustration:hover .term-window {
    transform: rotateY(0deg) rotateX(0deg);
    box-shadow: 0 32px 64px rgba(0, 0, 0, 0.14);
}

.term-topbar {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1rem;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border-color);
}

.term-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex-shrink: 0;
}

.term-dot--red    { background: #ff5f57; }
.term-dot--yellow { background: #febc2e; }
.term-dot--green  { background: #28c840; }

.term-title {
    margin-left: auto;
    font-size: 0.73rem;
    color: var(--text-light);
    font-family: inherit;
    letter-spacing: 0.02em;
}

.term-body {
    padding: 1.1rem 1.25rem;
    line-height: 1.8;
    background: var(--bg-color);
}

.term-line   { white-space: nowrap; }
.term-blank  { display: block; height: 0.5rem; }
.term-indent { padding-left: 1.5rem; }

.term-kw   { color: #7c3aed; font-weight: 600; }
.term-mod  { color: var(--primary-color); }
.term-fn   { color: #059669; }
.term-str  { color: var(--text-color); }
.term-arg  { color: #d97706; }
.term-op,
.term-punc { color: var(--text-light); }
.term-cm   { color: var(--text-light); font-style: italic; }
.term-ok   { color: #16a34a; font-weight: 600; }

.term-cursor {
    display: inline-block;
    width: 7px;
    height: 1em;
    background: var(--primary-color);
    vertical-align: text-bottom;
    animation: term-blink 1.1s step-end infinite;
}

@keyframes term-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

[data-theme="dark"] .term-window {
    background: var(--bg-alt);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .term-fn { color: #34d399; }
[data-theme="dark"] .term-ok { color: #4ade80; }
[data-theme="dark"] .term-kw { color: #a78bfa; }



.back-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.back-link:hover {
    gap: 0.75rem;
}

/* Markdown Content Styling */
.markdown-content {
    line-height: 1.8;
    color: var(--text-color);
    font-size: 1.125rem;
    max-width: 100%;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 2.5rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.3;
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child {
    margin-top: 0;
}

.markdown-content h1 {
    font-size: 2.5rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.75rem;
    margin-bottom: 2rem;
}

.markdown-content h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

.markdown-content h3 {
    font-size: 1.5rem;
}

.markdown-content h4 {
    font-size: 1.25rem;
}

.markdown-content p {
    margin-bottom: 1.75rem;
    line-height: 1.9;
}

.markdown-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
    font-weight: 500;
    word-wrap: break-word;
    overflow-wrap: break-word;
    word-break: break-word;
}

.markdown-content a:hover {
    border-bottom-color: var(--primary-color);
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: 1.75rem;
    padding-left: 2rem;
    line-height: 1.9;
}

.markdown-content li {
    margin-bottom: 0.75rem;
}

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

.markdown-content code {
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Consolas', monospace;
    font-size: 0.9em;
}

[data-theme="light"] .markdown-content code {
    color: #d73a49;
    background: transparent;
}

[data-theme="dark"] .markdown-content code {
    color: #79b8ff;
    background: transparent;
}

.markdown-content pre {
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
    max-width: 100%;
    border: 1px solid var(--border-color);
}

[data-theme="light"] .markdown-content pre {
    background: #f8f9fa;
    color: #24292e;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .markdown-content pre {
    background: #1e1e1e;
    color: #d4d4d4;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.markdown-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-size: 0.95rem;
    line-height: 1.6;
    border: none;
    white-space: pre;
    word-wrap: normal;
    overflow-wrap: normal;
}

/* Pygments Syntax Highlighting - Light Mode (Easy to Read) */
[data-theme="light"] .markdown-content .highlight {
    background: #f6f8fa;
    color: #24292e;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    max-width: 100%;
    border: 1px solid #d0d7de;
}

[data-theme="light"] .markdown-content .highlight pre {
    margin: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border: none;
}

[data-theme="light"] .markdown-content .highlight .hll { background-color: #fff8c5 }
[data-theme="light"] .markdown-content .highlight .c { color: #6a737d; font-style: italic } /* Comment */
[data-theme="light"] .markdown-content .highlight .err { color: #d47500 } /* Error */
[data-theme="light"] .markdown-content .highlight .k { color: #005cc5; font-weight: bold } /* Keyword */
[data-theme="light"] .markdown-content .highlight .o { color: #24292e } /* Operator */
[data-theme="light"] .markdown-content .highlight .ch { color: #6a737d; font-style: italic } /* Comment.Hashbang */
[data-theme="light"] .markdown-content .highlight .cm { color: #6a737d; font-style: italic } /* Comment.Multiline */
[data-theme="light"] .markdown-content .highlight .cp { color: #6a737d; font-style: italic } /* Comment.Preproc */
[data-theme="light"] .markdown-content .highlight .cpf { color: #6a737d; font-style: italic } /* Comment.PreprocFile */
[data-theme="light"] .markdown-content .highlight .c1 { color: #6a737d; font-style: italic } /* Comment.Single */
[data-theme="light"] .markdown-content .highlight .cs { color: #6a737d; font-style: italic } /* Comment.Special */
[data-theme="light"] .markdown-content .highlight .kc { color: #005cc5 } /* Keyword.Constant */
[data-theme="light"] .markdown-content .highlight .kd { color: #005cc5 } /* Keyword.Declaration */
[data-theme="light"] .markdown-content .highlight .kn { color: #005cc5 } /* Keyword.Namespace */
[data-theme="light"] .markdown-content .highlight .kp { color: #005cc5 } /* Keyword.Pseudo */
[data-theme="light"] .markdown-content .highlight .kr { color: #005cc5 } /* Keyword.Reserved */
[data-theme="light"] .markdown-content .highlight .kt { color: #005cc5 } /* Keyword.Type */
[data-theme="light"] .markdown-content .highlight .m { color: #005cc5 } /* Literal.Number */
[data-theme="light"] .markdown-content .highlight .s { color: #22863a } /* Literal.String */
[data-theme="light"] .markdown-content .highlight .na { color: #6f42c1 } /* Name.Attribute */
[data-theme="light"] .markdown-content .highlight .nb { color: #005cc5 } /* Name.Builtin */
[data-theme="light"] .markdown-content .highlight .nc { color: #6f42c1 } /* Name.Class */
[data-theme="light"] .markdown-content .highlight .no { color: #005cc5 } /* Name.Constant */
[data-theme="light"] .markdown-content .highlight .nd { color: #6f42c1 } /* Name.Decorator */
[data-theme="light"] .markdown-content .highlight .ne { color: #6f42c1 } /* Name.Exception */
[data-theme="light"] .markdown-content .highlight .nf { color: #6f42c1 } /* Name.Function */
[data-theme="light"] .markdown-content .highlight .nn { color: #24292e } /* Name.Namespace */
[data-theme="light"] .markdown-content .highlight .nt { color: #22863a } /* Name.Tag */
[data-theme="light"] .markdown-content .highlight .nv { color: #24292e } /* Name.Variable */
[data-theme="light"] .markdown-content .highlight .ow { color: #005cc5 } /* Operator.Word */
[data-theme="light"] .markdown-content .highlight .mb { color: #005cc5 } /* Literal.Number.Bin */
[data-theme="light"] .markdown-content .highlight .mf { color: #005cc5 } /* Literal.Number.Float */
[data-theme="light"] .markdown-content .highlight .mh { color: #005cc5 } /* Literal.Number.Hex */
[data-theme="light"] .markdown-content .highlight .mi { color: #005cc5 } /* Literal.Number.Integer */
[data-theme="light"] .markdown-content .highlight .mo { color: #005cc5 } /* Literal.Number.Oct */
[data-theme="light"] .markdown-content .highlight .sa { color: #22863a } /* Literal.String.Affix */
[data-theme="light"] .markdown-content .highlight .sb { color: #22863a } /* Literal.String.Backtick */
[data-theme="light"] .markdown-content .highlight .sc { color: #22863a } /* Literal.String.Char */
[data-theme="light"] .markdown-content .highlight .dl { color: #22863a } /* Literal.String.Delimiter */
[data-theme="light"] .markdown-content .highlight .sd { color: #22863a } /* Literal.String.Doc */
[data-theme="light"] .markdown-content .highlight .s2 { color: #22863a } /* Literal.String.Double */
[data-theme="light"] .markdown-content .highlight .se { color: #005cc5 } /* Literal.String.Escape */
[data-theme="light"] .markdown-content .highlight .sh { color: #22863a } /* Literal.String.Heredoc */
[data-theme="light"] .markdown-content .highlight .si { color: #005cc5 } /* Literal.String.Interpol */
[data-theme="light"] .markdown-content .highlight .sx { color: #22863a } /* Literal.String.Other */
[data-theme="light"] .markdown-content .highlight .sr { color: #22863a } /* Literal.String.Regex */
[data-theme="light"] .markdown-content .highlight .s1 { color: #22863a } /* Literal.String.Single */
[data-theme="light"] .markdown-content .highlight .ss { color: #22863a } /* Literal.String.Symbol */
[data-theme="light"] .markdown-content .highlight .bp { color: #005cc5 } /* Name.Builtin.Pseudo */
[data-theme="light"] .markdown-content .highlight .fm { color: #6f42c1 } /* Name.Function.Magic */
[data-theme="light"] .markdown-content .highlight .vc { color: #24292e } /* Name.Variable.Class */
[data-theme="light"] .markdown-content .highlight .vg { color: #24292e } /* Name.Variable.Global */
[data-theme="light"] .markdown-content .highlight .vi { color: #24292e } /* Name.Variable.Instance */
[data-theme="light"] .markdown-content .highlight .vm { color: #24292e } /* Name.Variable.Magic */
[data-theme="light"] .markdown-content .highlight .il { color: #005cc5 } /* Literal.Number.Integer.Long */

/* Pygments Syntax Highlighting - Dark Mode (VS Code Python Style) */
[data-theme="dark"] .markdown-content .highlight {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    max-width: 100%;
    border: 1px solid #3e3e3e;
}

[data-theme="dark"] .markdown-content .highlight pre {
    margin: 0;
    padding: 0;
    background: transparent;
    box-shadow: none;
    border: none;
}

[data-theme="dark"] .markdown-content .highlight .hll { background-color: #3e3e3e }
[data-theme="dark"] .markdown-content .highlight .c { color: #6a9955 } /* Comment */
[data-theme="dark"] .markdown-content .highlight .err { color: #f48771 } /* Error */
[data-theme="dark"] .markdown-content .highlight .k { color: #569cd6; font-weight: bold } /* Keyword */
[data-theme="dark"] .markdown-content .highlight .o { color: #d4d4d4 } /* Operator */
[data-theme="dark"] .markdown-content .highlight .ch { color: #6a9955 } /* Comment.Hashbang */
[data-theme="dark"] .markdown-content .highlight .cm { color: #6a9955 } /* Comment.Multiline */
[data-theme="dark"] .markdown-content .highlight .cp { color: #6a9955 } /* Comment.Preproc */
[data-theme="dark"] .markdown-content .highlight .cpf { color: #6a9955 } /* Comment.PreprocFile */
[data-theme="dark"] .markdown-content .highlight .c1 { color: #6a9955 } /* Comment.Single */
[data-theme="dark"] .markdown-content .highlight .cs { color: #6a9955 } /* Comment.Special */
[data-theme="dark"] .markdown-content .highlight .kc { color: #569cd6 } /* Keyword.Constant */
[data-theme="dark"] .markdown-content .highlight .kd { color: #569cd6 } /* Keyword.Declaration */
[data-theme="dark"] .markdown-content .highlight .kn { color: #c586c0 } /* Keyword.Namespace */
[data-theme="dark"] .markdown-content .highlight .kp { color: #569cd6 } /* Keyword.Pseudo */
[data-theme="dark"] .markdown-content .highlight .kr { color: #569cd6 } /* Keyword.Reserved */
[data-theme="dark"] .markdown-content .highlight .kt { color: #4ec9b0 } /* Keyword.Type */
[data-theme="dark"] .markdown-content .highlight .m { color: #b5cea8 } /* Literal.Number */
[data-theme="dark"] .markdown-content .highlight .s { color: #ce9178 } /* Literal.String */
[data-theme="dark"] .markdown-content .highlight .na { color: #9cdcfe } /* Name.Attribute */
[data-theme="dark"] .markdown-content .highlight .nb { color: #4ec9b0 } /* Name.Builtin */
[data-theme="dark"] .markdown-content .highlight .nc { color: #4ec9b0 } /* Name.Class */
[data-theme="dark"] .markdown-content .highlight .no { color: #569cd6 } /* Name.Constant */
[data-theme="dark"] .markdown-content .highlight .nd { color: #4ec9b0 } /* Name.Decorator */
[data-theme="dark"] .markdown-content .highlight .ne { color: #4ec9b0 } /* Name.Exception */
[data-theme="dark"] .markdown-content .highlight .nf { color: #dcdcaa } /* Name.Function */
[data-theme="dark"] .markdown-content .highlight .nn { color: #4ec9b0 } /* Name.Namespace */
[data-theme="dark"] .markdown-content .highlight .nt { color: #569cd6 } /* Name.Tag */
[data-theme="dark"] .markdown-content .highlight .nv { color: #9cdcfe } /* Name.Variable */
[data-theme="dark"] .markdown-content .highlight .ow { color: #569cd6 } /* Operator.Word */
[data-theme="dark"] .markdown-content .highlight .mb { color: #b5cea8 } /* Literal.Number.Bin */
[data-theme="dark"] .markdown-content .highlight .mf { color: #b5cea8 } /* Literal.Number.Float */
[data-theme="dark"] .markdown-content .highlight .mh { color: #b5cea8 } /* Literal.Number.Hex */
[data-theme="dark"] .markdown-content .highlight .mi { color: #b5cea8 } /* Literal.Number.Integer */
[data-theme="dark"] .markdown-content .highlight .mo { color: #b5cea8 } /* Literal.Number.Oct */
[data-theme="dark"] .markdown-content .highlight .sa { color: #ce9178 } /* Literal.String.Affix */
[data-theme="dark"] .markdown-content .highlight .sb { color: #ce9178 } /* Literal.String.Backtick */
[data-theme="dark"] .markdown-content .highlight .sc { color: #ce9178 } /* Literal.String.Char */
[data-theme="dark"] .markdown-content .highlight .dl { color: #ce9178 } /* Literal.String.Delimiter */
[data-theme="dark"] .markdown-content .highlight .sd { color: #ce9178 } /* Literal.String.Doc */
[data-theme="dark"] .markdown-content .highlight .s2 { color: #ce9178 } /* Literal.String.Double */
[data-theme="dark"] .markdown-content .highlight .se { color: #d7ba7d } /* Literal.String.Escape */
[data-theme="dark"] .markdown-content .highlight .sh { color: #ce9178 } /* Literal.String.Heredoc */
[data-theme="dark"] .markdown-content .highlight .si { color: #d7ba7d } /* Literal.String.Interpol */
[data-theme="dark"] .markdown-content .highlight .sx { color: #ce9178 } /* Literal.String.Other */
[data-theme="dark"] .markdown-content .highlight .sr { color: #d16969 } /* Literal.String.Regex */
[data-theme="dark"] .markdown-content .highlight .s1 { color: #ce9178 } /* Literal.String.Single */
[data-theme="dark"] .markdown-content .highlight .ss { color: #ce9178 } /* Literal.String.Symbol */
[data-theme="dark"] .markdown-content .highlight .bp { color: #4ec9b0 } /* Name.Builtin.Pseudo */
[data-theme="dark"] .markdown-content .highlight .fm { color: #dcdcaa } /* Name.Function.Magic */
[data-theme="dark"] .markdown-content .highlight .vc { color: #9cdcfe } /* Name.Variable.Class */
[data-theme="dark"] .markdown-content .highlight .vg { color: #9cdcfe } /* Name.Variable.Global */
[data-theme="dark"] .markdown-content .highlight .vi { color: #9cdcfe } /* Name.Variable.Instance */
[data-theme="dark"] .markdown-content .highlight .vm { color: #9cdcfe } /* Name.Variable.Magic */
[data-theme="dark"] .markdown-content .highlight .il { color: #b5cea8 } /* Literal.Number.Integer.Long */

.markdown-content blockquote {
    border-left: 5px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 2rem 0;
    background: var(--bg-alt);
    color: var(--text-color);
    font-style: italic;
    border-radius: 0 8px 8px 0;
}

.markdown-content blockquote p:last-child {
    margin-bottom: 0;
}

/* Enhanced Image Styling in Content */
.markdown-content img {
    max-width: 100% !important;
    width: auto !important;
    height: auto !important;
    max-height: 600px !important;
    display: block !important;
    margin: 2.5rem auto !important;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    object-fit: contain !important;
    -o-object-fit: contain !important;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

.markdown-content img:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* Image with caption support */
.markdown-content p {
    max-width: 100%;
    overflow-x: auto;
}

.markdown-content p > img {
    margin: 2rem auto !important;
    max-width: 100% !important;
    max-height: 600px !important;
    width: auto !important;
    height: auto !important;
}

.markdown-content p > img + em {
    display: block;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: -1.5rem;
    margin-bottom: 2rem;
}

.markdown-content table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    overflow: hidden;
    display: block;
    overflow-x: auto;
}

.markdown-content table th,
.markdown-content table td {
    padding: 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.markdown-content table th {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.markdown-content table tr:nth-child(even) {
    background: var(--bg-alt);
}

.markdown-content table tr:hover {
    background: rgba(0, 102, 255, 0.05);
}

.markdown-content hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 3rem 0;
}

.markdown-content .highlight {
    background: #2d2d2d;
    border-radius: 8px;
    margin: 2rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Strong and emphasis */
.markdown-content strong {
    font-weight: 700;
    color: var(--secondary-color);
}

.markdown-content em {
    font-style: italic;
}

/* Contact Page */
.contact-content {
    padding: 4.75rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.contact-info p {
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.78;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    padding: 1.5rem;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-method h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.contact-method p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.contact-link:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form-container {
    position: relative;
}

.messages {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.contact-form {
    background: var(--bg-alt);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state p {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.empty-state a {
    color: var(--primary-color);
    font-weight: 600;
}

/* Footer */
.footer {
    background: linear-gradient(180deg, transparent, rgba(var(--primary-rgb), 0.04)), var(--bg-alt);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.footer-copy {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.footer-policy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.footer-policy a {
    color: var(--text-light);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-sep {
    color: var(--border-color);
    font-size: 0.875rem;
    user-select: none;
}

/* ── Policy pages ──────────────────────────────────────── */
.policy-content {
    padding: 3.5rem 0;
}

.policy-body {
    max-width: 100%;
}

.policy-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    font-size: 0.875rem;
    color: var(--text-light);
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.policy-intro {
    padding: 1.25rem 1.5rem;
    background: var(--bg-alt);
    border-left: 3px solid var(--primary-color);
    border-radius: 0 6px 6px 0;
    margin-bottom: 2.5rem;
    color: var(--text-light);
    font-size: 0.975rem;
    line-height: 1.7;
}

.policy-intro p {
    margin: 0;
}

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

.policy-section h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    color: var(--secondary-color);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.25rem;
}

.policy-section p {
    color: var(--text-light);
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.policy-section p:last-child {
    margin-bottom: 0;
}

.policy-section a {
    color: var(--primary-color);
    text-decoration: none;
}

.policy-section a:hover {
    text-decoration: underline;
}

.policy-number {
    display: inline-flex;
    align-items: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-color);
    background: rgba(var(--primary-rgb, 59,130,246), 0.1);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    letter-spacing: 0.08em;
    font-family: var(--mono-font, 'JetBrains Mono', 'Fira Code', monospace);
    flex-shrink: 0;
}

.policy-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.policy-list li {
    color: var(--text-light);
    line-height: 1.7;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.975rem;
}

.policy-list li::before {
    content: '›';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: 700;
}

.policy-list code {
    font-size: 0.85em;
    background: var(--bg-alt);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

.policy-table-wrap {
    overflow-x: auto;
    margin: 0.5rem 0 0;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.policy-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.policy-table th {
    background: var(--bg-alt);
    color: var(--text-color);
    font-weight: 600;
    padding: 0.7rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.policy-table td {
    padding: 0.65rem 1rem;
    color: var(--text-light);
    vertical-align: top;
    border-bottom: 1px solid var(--border-color);
    line-height: 1.55;
}

.policy-table tr:last-child td {
    border-bottom: none;
}

.policy-table td code,
.policy-table th code {
    font-size: 0.83em;
    background: var(--bg-alt);
    padding: 0.1em 0.35em;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    white-space: normal;
    word-break: break-all;
}

.policy-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.policy-link-btn {
    display: inline-block;
    padding: 0.5rem 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.policy-link-btn:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-rgb, 59,130,246), 0.06);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    body {
        line-height: 1.62;
    }

    .hero {
        padding: 2.5rem 0;
        min-height: auto;
    }

    .hero .container {
        flex-direction: column;
        gap: 2.5rem;
    }

    .hero::before,
    .hero::after {
        display: none;
    }

    .hero-illustration {
        width: 100%;
        max-width: 380px;
        margin: 0 auto;
    }

    .term-window {
        transform: none;
    }

    .hero-title {
        letter-spacing: -0.03em;
    }

    .hero-trust {
        grid-template-columns: 1fr;
        gap: 0.6rem;
        margin-top: 1.3rem;
    }

    .hero-subtitle {
        margin-bottom: 1rem;
    }

    .hero-description {
        line-height: 1.72;
        margin-bottom: 1.5rem;
    }

    .hero-stat {
        padding: 0.75rem 0.85rem;
    }

    .hero-cta {
        gap: 0.65rem;
    }

    .btn {
        width: 100%;
        text-align: center;
        padding: 0.8rem 1.1rem;
    }

    .quick-links,
    .about-content,
    .projects-content,
    .blog-content,
    .contact-content {
        padding: 3.5rem 0;
    }

    .nav-links {
        gap: 0.6rem;
        flex-wrap: nowrap;
        justify-content: flex-end;
    }
    .nav-right {
        gap: 0.6rem;
        min-width: 0;
    }

    .navbar .container {
        padding: 0 1rem;
    }

    .logo {
        margin-right: 0.5rem;
    }

    .links-grid,
    .projects-grid,
    .skills-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

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

    .page-header h1 {
        margin-bottom: 0.45rem;
    }

    .page-header .subtitle {
        line-height: 1.6;
    }

    /* Blog Responsive */
    .blog-card .blog-image {
        min-height: 200px;
        max-height: 300px;
    }

    .blog-card .blog-image img {
        max-height: 300px;
    }

    .blog-card-content {
        padding: 1.5rem;
    }

    .blog-article {
        padding: 1.5rem;
    }

    .featured-image {
        width: calc(100% + 3rem);
        margin-left: -1.5rem;
        margin-right: -1.5rem;
        margin-top: -1.5rem;
        max-height: 300px;
        min-height: 200px;
    }

    .featured-image img {
        max-height: 300px;
    }

    .blog-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .detail-meta {
        flex-wrap: wrap;
        gap: 0.4rem;
    }

    .detail-meta .read-time {
        text-align: left;
    }

    /* Markdown Content Responsive */
    .markdown-content {
        line-height: 1.75;
    }

    .project-card-content,
    .contact-form,
    .contact-method {
        padding: 1.25rem;
    }

    .markdown-content pre {
        padding: 1rem;
    }

    .markdown-content table th,
    .markdown-content table td {
        padding: 0.5rem;
    }

    .markdown-content img {
        margin: 1.5rem auto;
        border-radius: 8px;
        max-height: 400px;
    }

    .markdown-content p > img {
        max-height: 400px;
    }

    /* Footer responsive */
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    /* Policy responsive */
    .policy-meta {
        flex-direction: column;
        gap: 0.4rem;
    }

    .policy-footer-links {
        flex-direction: column;
    }

    .policy-link-btn {
        text-align: center;
    }

    .post-nav {
        grid-template-columns: 1fr;
    }

    .post-nav-next {
        justify-self: start;
        text-align: left;
    }

    .post-nav-link {
        max-width: 100%;
        width: 100%;
    }
}



/* Dark Mode Specific Styles */
[data-theme="dark"] .project-card,
[data-theme="dark"] .blog-card,
[data-theme="dark"] .link-card,
[data-theme="dark"] .skill-category {
    background: var(--bg-alt);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .project-card:hover,
[data-theme="dark"] .blog-card:hover,
[data-theme="dark"] .link-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .markdown-content pre {
    background: #1c1f26;
    border-color: #30363d;
}

[data-theme="dark"] .markdown-content code {
    background: #1c1f26;
    color: #f0f6fc;
}

[data-theme="dark"] .markdown-content blockquote {
    border-left-color: var(--primary-color);
    background: var(--bg-alt);
}

[data-theme="dark"] .markdown-content table th {
    background: #1c1f26;
}

[data-theme="dark"] .markdown-content table tr:nth-child(even) {
    background: #1c1f26;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: var(--bg-alt);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    background: var(--bg-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .project-image,
[data-theme="dark"] .blog-image {
    background: #1c1f26;
}

[data-theme="dark"] .alert-success {
    background: rgba(46, 160, 67, 0.15);
    border-color: #2ea043;
    color: #3fb950;
}

[data-theme="dark"] .alert-error {
    background: rgba(248, 81, 73, 0.15);
    border-color: #f85149;
    color: #ff7b72;
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-alt);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--border-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .project-tech-stack {
    background: #1c1f26;
}

[data-theme="dark"] .hero {
    background: linear-gradient(145deg, rgba(var(--primary-rgb), 0.12), transparent 55%), var(--bg-color);
}

[data-theme="dark"] .hero-stat {
    background: rgba(255, 255, 255, 0.02);
    border-color: rgba(var(--primary-rgb), 0.24);
}

[data-theme="dark"] .hero-badge {
    background: rgba(var(--primary-rgb), 0.18);
}

[data-theme="dark"] .navbar {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

/* ── 404 Error Page ──────────────────────────────────────────────────────── */
.error-page {
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 1rem;
}

.error-content {
    max-width: 400px;
    margin: 0 auto;
}

.error-code {
    font-size: clamp(6rem, 20vw, 10rem);
    font-weight: 800;
    line-height: 1;
    color: var(--primary-color);
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
}

.error-message {
    color: var(--text-light);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}