:root {
    --bg: #030303;
    --bg-surface: #0A0A0A;
    --ink: #FFFFFF;
    --ink-dim: rgba(255, 255, 255, 0.6);
    --ink-faint: rgba(255, 255, 255, 0.15);
    --border: rgba(255, 255, 255, 0.3);
    --font-sans: "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;
    --font-display: "Helvetica Neue", -apple-system, sans-serif;
    --pad: clamp(20px, 5vw, 80px);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; }

body {
    min-height: 100vh;
    background-color: var(--bg);
    color: var(--ink);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.4;
}

body.has-fixed-footer {
    overflow: hidden;
}

body.has-fixed-footer .app-container {
    height: 100vh;
    height: 100dvh;
}

body.has-fixed-footer .main-content {
    overflow-y: auto;
    padding-bottom: 80px;
}

a {
    color: var(--ink);
    text-decoration: none;
    transition: opacity 0.15s;
}

a:hover { opacity: 0.7; }

.log-line.output a {
    color: inherit;
    opacity: 1;
    border-bottom: 1px solid var(--ink-faint);
    transition: border-color 0.15s;
}

.log-line.output a:hover {
    opacity: 1;
    border-bottom-color: var(--ink);
}

::-webkit-scrollbar { width: 0px; background: transparent; }
* { -ms-overflow-style: none; scrollbar-width: none; }


/* ========================================
   LAYOUT
   ======================================== */

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

.main-content {
    flex: 1;
    padding: 0 var(--pad);
}


/* ========================================
   HEADER / NAV
   ======================================== */

.site-header {
    padding: var(--pad) var(--pad) 0;
    flex-shrink: 0;
}

.site-nav {
    display: flex;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--ink);
}

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

.nav-links a {
    color: var(--ink-dim);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    font-family: var(--font-mono);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--ink);
    opacity: 1;
}


/* ========================================
   HERO
   ======================================== */

.hero {
    padding: 60px 0 40px;
    position: relative;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(48px, 8vw, 96px);
    font-weight: 500;
    line-height: 0.9;
    letter-spacing: -3px;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 400;
    color: var(--ink-dim);
    margin-top: 20px;
    line-height: 1.6;
}

.hero-meta {
    position: absolute;
    right: 0;
    top: 60px;
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--ink-dim);
    font-family: var(--font-mono);
    transform: rotate(90deg);
    transform-origin: top right;
}


/* ========================================
   DOTTED DIVIDER (from react-app.js)
   ======================================== */

.divider {
    width: 100%;
    height: 1px;
    background-image: linear-gradient(to right, var(--ink) 50%, transparent 50%);
    background-size: 6px 1px;
    background-repeat: repeat-x;
    margin: 32px 0;
}

.divider-sm {
    margin: 20px 0;
}


/* ========================================
   TERMINAL BLOCK
   ======================================== */

.terminal-block {
    margin: 0;
}

.log-line {
    display: flex;
    word-break: break-word;
    line-height: 1.5;
}

.log-line + .log-line {
    margin-top: 3px;
}

.log-line .prompt {
    margin-right: 8px;
    user-select: none;
    flex-shrink: 0;
    color: var(--ink-dim);
}

.log-line.output {
    opacity: 0.7;
    padding-left: 20px;
}

.log-line.cmd {
    margin-top: 16px;
}

.log-line.cmd:first-child {
    margin-top: 0;
}

.highlight {
    background-color: var(--ink);
    color: var(--bg);
    padding: 1px 6px;
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.5px;
}


/* ========================================
   CRT SCAN LINE EFFECT
   ======================================== */

.app-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(255, 255, 255, 0.008) 2px,
        rgba(255, 255, 255, 0.008) 4px
    );
    pointer-events: none;
    z-index: 99;
}

.app-container::after {
    content: '';
    position: fixed;
    top: -100%;
    left: 0;
    width: 100%;
    height: 60px;
    background: linear-gradient(
        180deg,
        transparent 0%,
        rgba(255, 255, 255, 0.015) 40%,
        rgba(255, 255, 255, 0.03) 50%,
        rgba(255, 255, 255, 0.015) 60%,
        transparent 100%
    );
    pointer-events: none;
    z-index: 100;
    animation: scanline 6s linear infinite;
}

@keyframes scanline {
    0% { top: -60px; }
    100% { top: 100vh; }
}


/* ========================================
   SITE FOOTER
   ======================================== */

.site-footer {
    padding: 0 var(--pad) 32px;
    margin-top: auto;
    flex-shrink: 0;
}

.footer-prompt {
    display: flex;
    align-items: center;
    margin-top: 24px;
    font-size: 13px;
}

.footer-prompt .prompt {
    margin-right: 8px;
    color: var(--ink-dim);
    user-select: none;
}


/* ========================================
   BLOG LOG ENTRIES
   ======================================== */

.log-list {
    display: flex;
    flex-direction: column;
}

.log-entry {
    display: grid;
    grid-template-columns: 100px 1fr 80px;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
    text-decoration: none;
    color: var(--ink);
    transition: background-color 0.15s;
}

a.log-entry:hover {
    background-color: rgba(255, 255, 255, 0.03);
    opacity: 1;
}

.log-entry:last-child {
    border-bottom: none;
}

.log-time {
    font-size: 11px;
    color: var(--ink);
    font-weight: 400;
    white-space: nowrap;
}

.log-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.log-cmd {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink);
    line-height: 1.4;
}

.log-cmd::before {
    content: "\276F";
    color: var(--ink-dim);
    margin-right: 8px;
}

.log-output {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-dim);
    line-height: 1.5;
}

.log-status {
    font-size: 10px;
    text-align: right;
    color: var(--ink);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active {
    color: var(--ink);
}

.active-process {
    background-image: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    margin: 0 calc(-1 * var(--pad));
    padding: 0 var(--pad);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.active-process .log-entry {
    border-bottom: none;
}


/* ========================================
   INPUT FOOTER (blog page)
   ======================================== */

.input-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg);
    padding: 20px var(--pad);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.prompt-symbol {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-dim);
}

.footer-text {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink);
}


/* ========================================
   BLINKING CURSOR
   ======================================== */

.cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: var(--ink);
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

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


/* ========================================
   RESEARCH AREAS
   ======================================== */

.research-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.research-item {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
}

.research-item:last-child {
    border-bottom: none;
}

.research-index {
    font-size: 10px;
    letter-spacing: 2px;
    color: var(--ink-dim);
    margin-bottom: 8px;
    font-family: var(--font-mono);
}

.research-title {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: -0.3px;
    margin-bottom: 8px;
}

.research-desc {
    font-size: 12px;
    color: var(--ink-dim);
    line-height: 1.6;
    max-width: 700px;
}


/* ========================================
   SECTION LABELS
   ======================================== */

.section-label {
    font-size: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--ink-dim);
    margin-bottom: 16px;
    font-family: var(--font-mono);
}


/* ========================================
   CONNECT LINKS (home page)
   ======================================== */

.connect-grid {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}

.connect-link {
    font-size: 12px;
    color: var(--ink-dim);
    text-decoration: none;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
}

.connect-link:hover {
    color: var(--ink);
    opacity: 1;
}

.connect-label {
    color: var(--ink);
    margin-right: 8px;
}


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

@media (max-width: 640px) {
    .site-nav {
        flex-wrap: wrap;
        gap: 16px;
    }

    .nav-links {
        gap: 20px;
    }

    .hero-title {
        letter-spacing: -1.5px;
    }

    .hero-meta {
        display: none;
    }

    .log-entry {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .log-time {
        font-size: 10px;
        color: var(--ink-dim);
    }

    .log-status {
        text-align: left;
    }

    .connect-grid {
        flex-direction: column;
        gap: 12px;
    }
}