/* ===== MARCO HARUNI — Digital Research Identity ===== */

/* === Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500;600&display=swap');

/* === CSS Variables === */
:root {
    --bg: #0a0a0f;
    --bg-secondary: #0e0e15;
    --surface: rgba(255, 255, 255, 0.03);
    --surface-hover: rgba(255, 255, 255, 0.06);
    --border: rgba(255, 255, 255, 0.06);
    --border-bright: rgba(255, 255, 255, 0.1);
    --text: #a0a0b0;
    --text-bright: #e4e4ed;
    --text-dim: #5a5a6e;
    --text-muted: #3a3a4a;

    --green: #00d97e;
    --green-dim: #00b368;
    --green-glow: rgba(0, 217, 126, 0.06);
    --green-glow-strong: rgba(0, 217, 126, 0.12);

    --blue: #5ba8f5;
    --blue-glow: rgba(91, 168, 245, 0.06);

    --amber: #e8a040;
    --amber-glow: rgba(232, 160, 64, 0.06);

    --red: #f04050;
    --purple: #a78bfa;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    --font-size-xs: 0.75rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.35rem;
    --font-size-2xl: 1.75rem;
    --font-size-3xl: 2.5rem;

    --gap: 1rem;
    --gap-sm: 0.5rem;
    --gap-lg: 2rem;
    --gap-xl: 3rem;

    --speed: 200ms;
    --speed-slow: 350ms;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);

    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* === Dim Mode === */
body.dim-mode {
    --bg: #15202b;
    --bg-secondary: #192734;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-hover: rgba(255, 255, 255, 0.07);
    --border: rgba(255, 255, 255, 0.07);
    --border-bright: rgba(255, 255, 255, 0.12);
    --text: #c8cdd3;
    --text-bright: #f0f2f5;
    --text-dim: #8899a6;
    --text-muted: #5b7083;

    --green: #00e676;
    --green-dim: #00c853;
    --green-glow: rgba(0, 230, 118, 0.06);
    --green-glow-strong: rgba(0, 230, 118, 0.12);
    --blue: #4fc3f7;
    --blue-glow: rgba(79, 195, 247, 0.06);
    --amber: #ffb74d;
    --amber-glow: rgba(255, 183, 77, 0.06);
}

/* === Light Mode === */
body.light-mode {
    --bg: #fafafa;
    --bg-secondary: #f0f0f0;
    --surface: rgba(0, 0, 0, 0.02);
    --surface-hover: rgba(0, 0, 0, 0.04);
    --border: rgba(0, 0, 0, 0.06);
    --border-bright: rgba(0, 0, 0, 0.1);
    --text: #4a4a5a;
    --text-bright: #1a1a25;
    --text-dim: #7a7a8a;
    --text-muted: #a0a0a8;

    --green: #0d9e4f;
    --green-dim: #0a7a3d;
    --green-glow: rgba(13, 158, 79, 0.06);
    --green-glow-strong: rgba(13, 158, 79, 0.1);
    --blue: #1a8fcb;
    --blue-glow: rgba(26, 143, 203, 0.06);
    --amber: #c07800;
    --amber-glow: rgba(192, 120, 0, 0.05);
    --purple: #7c3aed;
}

body.light-mode #starField { display: none; }
body.light-mode::before { display: none; }
body.light-mode .boot-overlay { background: #fafafa; }
body.light-mode .boot-text { color: #0d9e4f; }
body.light-mode .cmd-palette { background: rgba(0, 0, 0, 0.2); }

/* === Terminal Mode === */
body.terminal-mode {
    --bg: #0a0a0a;
    --bg-secondary: #0e0e0e;
    --surface: rgba(51, 255, 51, 0.03);
    --surface-hover: rgba(51, 255, 51, 0.06);
    --border: rgba(51, 255, 51, 0.08);
    --border-bright: rgba(51, 255, 51, 0.14);
    --text: #33ff33;
    --text-bright: #55ff55;
    --text-dim: #1a9e1a;
    --text-muted: #0d6b0d;

    --green: #33ff33;
    --green-dim: #22cc22;
    --green-glow: rgba(51, 255, 51, 0.05);
    --green-glow-strong: rgba(51, 255, 51, 0.1);
    --blue: #33ff33;
    --blue-glow: rgba(51, 255, 51, 0.05);
    --amber: #55ff55;
    --amber-glow: rgba(51, 255, 51, 0.04);
    --purple: #33ff33;
}

body.terminal-mode::before { background: none; }
body.terminal-mode #starField { opacity: 0.25; }

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--border-bright) var(--bg);
}

body {
    font-family: var(--font-primary);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

/* === Star Field === */
#starField {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* === Ambient Glow === */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse 60% 40% at 50% 0%, rgba(0, 217, 126, 0.02) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 90%, rgba(91, 168, 245, 0.015) 0%, transparent 60%);
}

/* === Links === */
a {
    color: var(--green);
    text-decoration: none;
    transition: color var(--speed) var(--ease);
}

a:hover { color: var(--text-bright); }

::selection { background: var(--green); color: var(--bg); }

/* === Scrollbar === */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* === Layout === */
.site-wrapper {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 1.5rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* === Boot Overlay === */
.boot-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--bg);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    transition: opacity 0.5s var(--ease-out);
}

.boot-overlay.fade-out { opacity: 0; pointer-events: none; }

.boot-text {
    font-size: var(--font-size-sm);
    color: var(--green);
    text-align: left;
    line-height: 2;
    max-width: 360px;
    padding: 2rem;
}

.boot-text .boot-line {
    opacity: 0;
    transform: translateY(3px);
}

.boot-text .boot-line.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

.boot-text .boot-cursor {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--green);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

/* === Top Bar === */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    color: var(--text-muted);
    gap: 1rem;
    flex-wrap: wrap;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--green);
    display: inline-block;
    animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 0.35; box-shadow: none; }
    50% { opacity: 1; box-shadow: 0 0 8px var(--green-glow-strong); }
}

.theme-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    transition: all var(--speed) var(--ease);
    border-radius: var(--radius);
}

.theme-btn:hover {
    border-color: var(--text-dim);
    color: var(--text-dim);
}

/* === Navigation === */
.nav-terminal {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
}

.nav-prompt {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
}

.nav-prompt .prompt-user { color: var(--green); white-space: nowrap; }
.nav-prompt .prompt-separator { color: var(--text-muted); margin: 0 0.15rem; }
.nav-prompt .prompt-path { color: var(--blue); white-space: nowrap; }
.nav-prompt .prompt-dollar { color: var(--text-muted); margin: 0 0.5rem 0 0.25rem; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.1rem;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--text-dim);
    padding: 0.3rem 0.6rem;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    transition: all var(--speed) var(--ease);
    border-radius: var(--radius);
}

.nav-links a:hover {
    color: var(--text-bright);
    background: var(--surface-hover);
}

.nav-links a.active {
    color: var(--text-bright);
    background: var(--surface);
}

.nav-pipe { color: var(--text-muted); user-select: none; font-size: var(--font-size-xs); opacity: 0.4; }

/* Mobile menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    border-radius: var(--radius);
    transition: all var(--speed) var(--ease);
}

.mobile-menu-btn:hover { border-color: var(--text-dim); color: var(--text-bright); }

/* === Main Content === */
.main-content {
    flex: 1;
    padding: 3rem 0;
}

/* === Terminal Command Lines === */
.terminal-cmd {
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.terminal-cmd .cmd-prefix { color: var(--green); }
.terminal-cmd .cmd-text { color: var(--text-dim); }

/* === Hero === */
.hero-terminal { padding: 0; }

.hero-identity {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.hero-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    border: 2px solid var(--border-bright);
    object-fit: cover;
    flex-shrink: 0;
    filter: grayscale(10%);
    transition: all var(--speed-slow) var(--ease);
}

.hero-avatar:hover {
    filter: grayscale(0%);
    border-color: var(--green);
}

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

.hero-name {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-bright);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-role {
    font-family: var(--font-mono);
    color: var(--text-dim);
    font-size: var(--font-size-xs);
    font-weight: 400;
    margin-top: 0.35rem;
    letter-spacing: 0.02em;
}

.hero-bio {
    color: var(--text);
    font-size: var(--font-size-base);
    line-height: 1.75;
    max-width: 520px;
}

/* System info */
.sys-info {
    margin-top: 1.75rem;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.sys-info-row {
    display: flex;
    border-bottom: 1px solid var(--border);
    transition: background var(--speed) var(--ease);
}

.sys-info-row:last-child { border-bottom: none; }
.sys-info-row:hover { background: var(--surface); }

.sys-info-key {
    color: var(--text-dim);
    min-width: 110px;
    padding: 0.55rem 0.85rem;
    border-right: 1px solid var(--border);
    flex-shrink: 0;
    font-weight: 500;
    font-size: var(--font-size-xs);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.sys-info-val {
    color: var(--text);
    padding: 0.55rem 0.85rem;
    flex: 1;
    font-size: var(--font-size-sm);
}

.sys-info-val a { color: var(--blue); }
.sys-info-val a:hover { color: var(--text-bright); }

/* Social Links */
.social-row {
    display: flex;
    gap: 0.6rem;
    margin-top: 1.75rem;
}

.social-link {
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.45rem;
    transition: all var(--speed) var(--ease);
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    border: 1px solid var(--border);
    background: var(--surface);
}

.social-link:hover {
    color: var(--text-bright);
    background: var(--surface-hover);
    border-color: var(--border-bright);
}

.social-link svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
    opacity: 0.7;
}

.social-link:hover svg { opacity: 1; }

/* === Now Section === */
.now-section {
    margin-top: 2.5rem;
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.now-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.85rem;
}

.now-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--green);
    animation: pulse-dot 2.5s ease-in-out infinite;
}

.now-label {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
}

.now-items {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.now-item {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    font-size: var(--font-size-sm);
    color: var(--text);
    line-height: 1.5;
}

.now-item strong {
    color: var(--text-bright);
    font-weight: 600;
}

.now-icon {
    color: var(--text-muted);
    font-size: 0.5rem;
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.now-item a {
    color: var(--green);
    text-decoration: none;
    transition: color var(--speed) var(--ease);
}

.now-item a:hover { color: var(--text-bright); }

/* === Section Headers === */
.section-header { margin-bottom: 2rem; }

.section-cmd {
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.section-cmd .cmd-prefix { color: var(--green); }
.section-cmd .cmd-text { color: var(--text-dim); }

.section-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-bright);
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--text-dim);
    font-size: var(--font-size-sm);
    margin-top: 0.25rem;
}

/* === Projects === */
.project-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.project-card {
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--speed-slow) var(--ease);
    position: relative;
    background: var(--surface);
}

.project-card:hover {
    background: var(--surface-hover);
    border-color: var(--border-bright);
}

.project-header {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    margin-bottom: 0.45rem;
    flex-wrap: wrap;
}

.project-name {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-bright);
}

.project-name a { color: inherit; text-decoration: none; }
.project-name a:hover { color: var(--green); }

.project-status {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    padding: 0.1rem 0.45rem;
    border: 1px solid;
    white-space: nowrap;
    border-radius: 20px;
    letter-spacing: 0.04em;
}

.project-status.active {
    color: var(--green);
    border-color: rgba(0, 217, 126, 0.2);
    background: var(--green-glow);
}

.project-desc {
    color: var(--text-dim);
    font-size: var(--font-size-sm);
    margin-bottom: 0.85rem;
    line-height: 1.6;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.project-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }

.project-tag {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: 0.1rem 0.5rem;
    background: var(--surface);
    border-radius: 20px;
}

.project-card:hover .project-tag { color: var(--text-dim); }

.project-links {
    margin-left: auto;
    display: flex;
    gap: 0.6rem;
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
}

.project-links a {
    color: var(--text-dim);
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius);
}

.project-links a:hover { color: var(--text-bright); }

/* === Writings === */
.writings-list { display: flex; flex-direction: column; gap: 0.75rem; }

.writing-entry {
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--speed-slow) var(--ease);
    display: block;
    color: inherit;
    background: var(--surface);
}

.writing-entry:hover {
    background: var(--surface-hover);
    border-color: var(--border-bright);
    color: inherit;
}

.writing-meta {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    margin-bottom: 0.3rem;
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    flex-wrap: wrap;
}

.writing-date { color: var(--text-muted); }
.writing-type { color: var(--green); }

.writing-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-bright);
    margin-bottom: 0.2rem;
}

.writing-desc {
    color: var(--text-dim);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.writing-tags { display: flex; gap: 0.4rem; margin-top: 0.5rem; flex-wrap: wrap; }

.writing-tag {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}
.writing-tag::before { content: '#'; }

/* === Publications === */
.pub-index { display: flex; flex-direction: column; gap: 0.75rem; }

.pub-entry {
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--speed-slow) var(--ease);
    background: var(--surface);
}

.pub-entry:hover {
    background: var(--surface-hover);
    border-color: var(--border-bright);
}

.pub-id { font-family: var(--font-mono); color: var(--blue); font-size: var(--font-size-xs); }

.pub-title { font-family: var(--font-primary); font-size: var(--font-size-lg); font-weight: 600; color: var(--text-bright); margin: 0.2rem 0; }
.pub-title a { color: inherit; }
.pub-title a:hover { color: var(--blue); }

.pub-authors { font-size: var(--font-size-sm); color: var(--text-dim); }

.pub-venue { font-family: var(--font-mono); font-size: var(--font-size-xs); color: var(--text-muted); margin-top: 0.2rem; }

.pub-links { display: flex; gap: 0.6rem; margin-top: 0.45rem; font-family: var(--font-mono); font-size: var(--font-size-xs); }
.pub-links a { color: var(--text-dim); }
.pub-links a:hover { color: var(--text-bright); }

/* === Cheatsheets === */
.manual-grid { display: flex; flex-direction: column; gap: 0.75rem; }

.manual-entry {
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--speed-slow) var(--ease);
    display: block;
    color: inherit;
    background: var(--surface);
}

.manual-entry:hover {
    background: var(--surface-hover);
    border-color: var(--border-bright);
    color: inherit;
}

.manual-header { display: flex; align-items: baseline; gap: 0.65rem; margin-bottom: 0.2rem; flex-wrap: wrap; }
.manual-id { font-family: var(--font-mono); color: var(--purple); font-size: var(--font-size-xs); }
.manual-title { font-family: var(--font-primary); font-size: var(--font-size-lg); font-weight: 600; color: var(--text-bright); }
.manual-desc { color: var(--text-dim); font-size: var(--font-size-sm); line-height: 1.5; }
.manual-meta { display: flex; gap: 0.75rem; margin-top: 0.35rem; font-family: var(--font-mono); font-size: var(--font-size-xs); color: var(--text-muted); }

/* === Empty State === */
.empty-state {
    padding: 3.5rem 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
}

.empty-state .cursor-blink {
    display: inline-block;
    width: 7px;
    height: 14px;
    background: var(--green);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
}

/* === Blog Post Page === */
.blog-post-page { padding: 1rem 0; }

.blog-back {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-dim);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    margin-bottom: 1.5rem;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius);
    transition: all var(--speed) var(--ease);
}

.blog-back:hover { color: var(--text-bright); background: var(--surface); }

.blog-post-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-bright);
    line-height: 1.3;
    margin-bottom: 0.45rem;
    letter-spacing: -0.02em;
}

.blog-post-meta {
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
}

.blog-content { font-size: var(--font-size-base); line-height: 1.9; color: var(--text); }

.blog-content h2 {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-bright);
    margin: 2.5rem 0 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--border);
}

.blog-content h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-bright);
    margin: 2rem 0 0.5rem;
}

.blog-content p { margin-bottom: 1.25rem; }

.blog-content a {
    color: var(--blue);
    text-decoration: underline;
    text-decoration-color: rgba(91, 168, 245, 0.25);
    text-underline-offset: 3px;
}
.blog-content a:hover { text-decoration-color: var(--blue); }

.blog-content ul, .blog-content ol { margin: 1rem 0; padding-left: 1.5rem; }
.blog-content li { margin-bottom: 0.35rem; }

.blog-content code {
    font-family: var(--font-mono);
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.12rem 0.35rem;
    font-size: 0.88em;
    border-radius: var(--radius);
    color: var(--green);
}

.blog-content pre {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-size: var(--font-size-sm);
    line-height: 1.6;
    border-radius: var(--radius-lg);
}

.blog-content pre code { background: none; border: none; padding: 0; color: var(--text); }

.blog-content blockquote {
    border-left: 2px solid var(--border-bright);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-dim);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
}

.blog-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: var(--font-size-sm); }
.blog-content th, .blog-content td { border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left; }
.blog-content th { background: var(--surface); color: var(--text-dim); font-weight: 600; font-family: var(--font-mono); font-size: var(--font-size-xs); }
.blog-content img { max-width: 100%; border: 1px solid var(--border); margin: 1.5rem 0; border-radius: var(--radius-lg); }

.blog-content .katex-display {
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

/* === Footer === */
.site-footer {
    padding: 1.5rem 0;
    border-top: 1px solid var(--border);
    margin-top: auto;
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* === Animations === */
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.fade-in {
    opacity: 0;
    transform: translateY(8px);
    animation: fadeSlideIn 0.5s var(--ease-out) forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.15s; }
.fade-in:nth-child(4) { animation-delay: 0.2s; }
.fade-in:nth-child(5) { animation-delay: 0.25s; }
.fade-in:nth-child(6) { animation-delay: 0.3s; }
.fade-in:nth-child(7) { animation-delay: 0.35s; }
.fade-in:nth-child(8) { animation-delay: 0.4s; }
.fade-in:nth-child(9) { animation-delay: 0.45s; }
.fade-in:nth-child(10) { animation-delay: 0.5s; }

@keyframes fadeSlideIn { to { opacity: 1; transform: translateY(0); } }

/* === Keyboard Hint === */
.kbd-hint {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    font-size: var(--font-size-xs);
    font-family: var(--font-mono);
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 0.35rem 0.65rem;
    z-index: 100;
    display: none;
    border-radius: var(--radius);
}

.kbd-hint kbd {
    display: inline-block;
    padding: 0.05rem 0.3rem;
    border: 1px solid var(--border);
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    margin: 0 0.1rem;
    color: var(--text-dim);
    border-radius: 3px;
}

@media (min-width: 769px) { .kbd-hint { display: block; } }

/* === Command Palette === */
.cmd-palette {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(12px);
    z-index: 10000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 20vh;
}

.cmd-palette.active { display: flex; }

.cmd-palette-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-bright);
    width: 100%;
    max-width: 440px;
    margin: 0 1rem;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.cmd-palette-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 1.25rem;
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    outline: none;
}

.cmd-palette-input::placeholder { color: var(--text-muted); }

.cmd-palette-results { max-height: 300px; overflow-y: auto; }

.cmd-palette-item {
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    color: var(--text);
    transition: all var(--speed) var(--ease);
}

.cmd-palette-item:hover,
.cmd-palette-item.selected {
    background: var(--surface-hover);
    color: var(--text-bright);
}

.cmd-palette-item .cmd-key { color: var(--text-muted); font-size: var(--font-size-xs); }

.cmd-palette-output {
    padding: 0.75rem 1.25rem;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--green);
    border-top: 1px solid var(--border);
    line-height: 1.6;
    white-space: pre-wrap;
}

/* === Responsive === */
@media (max-width: 768px) {
    html { font-size: 15px; }
    .site-wrapper { padding: 0 1.15rem; }
    .top-bar { font-size: 0.65rem; }
    .nav-prompt { display: none; }

    .nav-terminal {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
    }

    .mobile-menu-btn { display: block; }

    .nav-links {
        display: none;
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0;
        width: 100%;
    }

    .nav-links.mobile-open { display: flex; }
    .nav-links a { padding: 0.6rem 0; display: block; font-size: var(--font-size-base); }
    .nav-pipe { display: none; }

    .hero-identity { flex-direction: column; align-items: flex-start; gap: 1rem; }
    .hero-avatar { width: 72px; height: 72px; }
    .hero-name { font-size: var(--font-size-xl); }

    .sys-info-key { min-width: 85px; font-size: var(--font-size-xs); }
    .sys-info-val { font-size: var(--font-size-xs); }

    .social-row { flex-wrap: wrap; gap: 0.4rem; }
    .main-content { padding: 2rem 0; }
    .kbd-hint { display: none; }

    .project-meta { flex-direction: column; gap: 0.5rem; }
    .project-links { margin-left: 0; }
}

@media (max-width: 480px) {
    .hero-name { font-size: var(--font-size-lg); }
    .project-header { flex-direction: column; gap: 0.25rem; }
}

/* === Focus === */
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 1px solid var(--green);
    outline-offset: 2px;
    border-radius: var(--radius);
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .boot-overlay { display: none !important; }
}

/* === Print === */
@media print {
    body::before, #starField, .top-bar, .nav-terminal, .site-footer, .kbd-hint, .cmd-palette, .theme-btn, .boot-overlay { display: none !important; }
    body { background: white; color: black; }
}