/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0d1117;
    --bg-alt: #161b27;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-light: #79b8ff;
    --border: #30363d;
    --max-width: 960px;
    --nav-height: 64px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    line-height: 1.2;
    color: var(--text);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 2rem; }
h3 { font-size: 1.125rem; }

p { color: var(--text-muted); }
.lead { font-size: 1.0625rem; line-height: 1.75; max-width: 680px; }
.lead + .lead { margin-top: 1.25rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== Layout ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }


/* ===== Nav ===== */
#nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-height);
    background: rgba(13, 17, 23, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 1.0625rem;
    color: var(--text);
    letter-spacing: 0.01em;
}
.nav-logo:hover { text-decoration: none; color: var(--accent); }

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.9375rem;
    transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-muted);
    transition: all 0.2s;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--nav-height);
    background-color: var(--bg);
    background-image:
        url('../assets/background.png'),
        radial-gradient(ellipse at 25% 55%, rgba(88, 166, 255, 0.07) 0%, transparent 60%),
        repeating-linear-gradient(0deg, transparent, transparent 47px, rgba(88, 166, 255, 0.03) 48px),
        repeating-linear-gradient(90deg, transparent, transparent 47px, rgba(88, 166, 255, 0.03) 48px);
    background-size: cover, auto, 48px 48px, 48px 48px;
    background-position: center, center, 0 0, 0 0;
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 24px;
    display: flex;
    align-items: center;
    gap: 64px;
}

.hero-photo {
    flex-shrink: 0;
    width: 260px;
    height: 260px;
    background-image: url('../assets/profile.jpg');
    background-size: cover;
    background-position: 50% 22%;
    background-repeat: no-repeat;
    border-radius: 50%;
    border: 2px solid var(--accent);
    box-shadow: 0 0 24px rgba(88, 166, 255, 0.2);
}

.hero-text h1 { margin-bottom: 12px; color: var(--text); }

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    letter-spacing: 0.03em;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.15s;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #0d1117;
    border: 2px solid var(--accent);
    font-weight: 600;
}

.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    box-shadow: 0 0 18px rgba(88, 166, 255, 0.35);
    text-decoration: none;
    color: #0d1117;
}

.btn-secondary {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-secondary:hover {
    background: rgba(88, 166, 255, 0.1);
    box-shadow: 0 0 14px rgba(88, 166, 255, 0.2);
    text-decoration: none;
    color: var(--accent);
}

.btn-sm { padding: 7px 16px; font-size: 0.875rem; }

/* ===== Timeline ===== */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--border);
}

.timeline-entry {
    position: relative;
    padding-left: 32px;
    padding-bottom: 40px;
}

.timeline-entry:last-child { padding-bottom: 0; }

.timeline-entry::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-alt);
    border: 2px solid var(--accent);
    box-shadow: 0 0 8px rgba(88, 166, 255, 0.3);
}

.timeline-date {
    font-size: 0.8125rem;
    color: var(--accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 4px;
    font-weight: 500;
}

.timeline-content h3 { margin-bottom: 2px; }

.timeline-company {
    font-size: 0.875rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 8px;
    font-style: italic;
}

.timeline-content p { font-size: 0.9375rem; }

/* ===== Music / Media Grid ===== */
.media-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 32px;
}

.media-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-alt);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.media-card:hover {
    border-color: rgba(88, 166, 255, 0.4);
    box-shadow: 0 4px 20px rgba(88, 166, 255, 0.08);
}

.media-thumb {
    width: 100%;
    height: 160px;
    background: #1a2030;
}

.media-video {
    width: 100%;
    display: block;
    background: #000;
}

.media-soundcloud {
    width: 100%;
    height: 200px;
    display: block;
    border: none;
}

.media-info { padding: 16px; }

.media-info h4 {
    font-size: 0.9375rem;
    margin-bottom: 4px;
    color: var(--text);
}

.media-info p { font-size: 0.875rem; }

/* ===== Contact ===== */
.contact-container { text-align: center; }
.contact-container .lead { margin: 0 auto 40px; }

.contact-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--text);
    font-size: 1.0625rem;
    transition: color 0.15s;
}

.contact-item:hover {
    color: var(--accent);
    text-decoration: none;
}

.contact-label {
    font-weight: 600;
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    min-width: 60px;
    text-align: right;
}

/* ===== Social Links ===== */
.social-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 28px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    color: var(--text-muted);
    font-size: 1.125rem;
    transition: all 0.15s;
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 14px rgba(88, 166, 255, 0.25);
    text-decoration: none;
}

/* ===== Footer ===== */
footer {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
}

footer p { font-size: 0.875rem; color: var(--text-muted); }

/* ===== Projects Page ===== */
.page-header {
    padding: 120px 0 48px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
}

.page-header h1 { margin-bottom: 12px; }
.page-header p { font-size: 1.0625rem; max-width: 560px; color: var(--text-muted); }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.project-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    background: var(--bg-alt);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.project-card:hover {
    border-color: rgba(88, 166, 255, 0.4);
    box-shadow: 0 4px 24px rgba(88, 166, 255, 0.1);
}

.project-preview {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, #161b27 0%, #1a2234 100%);
}

.project-preview--quiz {
    background: linear-gradient(135deg, #0d1f35 0%, #0f2040 100%);
    background-image:
        linear-gradient(135deg, #0d1f35 0%, #0f2040 100%),
        repeating-linear-gradient(90deg, transparent, transparent 23px, rgba(88,166,255,0.06) 24px),
        repeating-linear-gradient(0deg,  transparent, transparent 23px, rgba(88,166,255,0.06) 24px);
    background-blend-mode: normal;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 2rem;
    color: rgba(88,166,255,0.35);
    letter-spacing: 0.12em;
}

.project-info { padding: 20px; }
.project-info h3 { margin-bottom: 8px; }
.project-info p { font-size: 0.9rem; margin-bottom: 16px; }

/* ===== Mobile ===== */
@media (max-width: 700px) {
    .nav-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0; right: 0;
        background: rgba(13, 17, 23, 0.97);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        gap: 0;
        padding: 8px 0;
    }

    .nav-links.open { display: flex; }
    .nav-links li a { display: block; padding: 12px 24px; }

    .hero-inner {
        flex-direction: column;
        gap: 32px;
        text-align: center;
        padding: 40px 24px;
    }

    .hero-actions { justify-content: flex-start; }
    .media-grid { grid-template-columns: 1fr; }

    .timeline { padding-left: 16px; }
    .timeline-entry { padding-left: 24px; }

    .contact-item { flex-direction: column; gap: 4px; text-align: center; }
    .contact-label { text-align: center; min-width: unset; }
}

/* ===== Blog Nav Placement ===== */
.nav-blog { margin-left: auto; }

/* ===== Blog Listing ===== */
.blog-list { max-width: 680px; }
.blog-loading { color: var(--text-muted); font-size: 0.9375rem; }

.blog-entry {
    padding: 36px 0;
    border-bottom: 1px solid var(--border);
}
.blog-entry:first-child { padding-top: 0; }
.blog-entry:last-child { border-bottom: none; padding-bottom: 0; }

.blog-entry time {
    display: block;
    font-size: 0.8125rem;
    color: var(--accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.blog-entry h2 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    border-left: none;
    padding-left: 0;
}

.blog-entry h2 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.15s;
}

.blog-entry h2 a:hover { color: var(--accent); }

.blog-excerpt { font-size: 0.9375rem; }

/* ===== Post Reader ===== */
.post-header { margin-bottom: 48px; }

.post-header time {
    display: block;
    font-size: 0.8125rem;
    color: var(--accent);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.post-header h1 {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    border-left: none;
    padding-left: 0;
}

.post-body p {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-muted);
    max-width: 680px;
    margin-bottom: 1.5rem;
}

.post-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    transition: color 0.15s;
}

.post-back:hover { color: var(--accent); text-decoration: none; }
.post-back-bottom { margin-top: 16px; margin-bottom: 0; }

.post-figure {
    max-width: 680px;
    margin: 0 0 1.5rem;
}

.post-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.post-figure figcaption {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-top: 8px;
    font-style: italic;
}

/* ===== Section Backgrounds ===== */
#about {
    background-color: var(--bg);
    background-image: radial-gradient(circle, rgba(88, 166, 255, 0.1) 1px, transparent 1px);
    background-size: 24px 24px;
}

#music {
    background-color: var(--bg-alt);
    background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 31px,
        rgba(88, 166, 255, 0.05) 31px,
        rgba(88, 166, 255, 0.05) 32px
    );
}

/* ===== About Bio Text ===== */
#about .lead {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: var(--text-muted);
}

#about .lead + .lead {
    margin-top: 1.75rem;
}