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

:root {
    --bg: #0a0a0c;
    --bg-subtle: #111214;
    --bg-card: #141518;
    --text: #e0ddd5;
    --text-muted: #888;
    --text-dim: #555;
    --accent: #5ba4b5;
    --accent-soft: #8cc4d0;
    --border: #222;
    --border-accent: #1a2a33;
    --agent-green: #6ecf6e;
    --agent-border: #2a5a2a;
    --agent-bg: #1a2a1a;
}

[data-theme="light"] {
    --bg: #f8f5ef;
    --bg-subtle: #f0ebe3;
    --bg-card: #fff;
    --text: #2c2a25;
    --text-muted: #6b6560;
    --text-dim: #999;
    --accent: #2e7d8a;
    --accent-soft: #3a8f9d;
    --border: #ddd5c8;
    --border-accent: #c8d8dc;
    --agent-green: #2a8a2a;
    --agent-border: #b8d8b8;
    --agent-bg: #eef5ee;
}

body {
    font-family: 'Georgia', serif;
    background: var(--bg);
    color: var(--text);
    font-size: 1.1rem;
    line-height: 1.85;
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    transition: background 0.3s, color 0.3s;
}

/* Floating particles — pure CSS */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particles .p {
    position: absolute;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0;
    animation: floatUp linear infinite;
}

@keyframes drift1 {
    0% { opacity: 0; transform: translate(0, 0); }
    15% { opacity: 0.35; }
    50% { opacity: 0.2; transform: translate(20px, -15px); }
    85% { opacity: 0.3; }
    100% { opacity: 0; transform: translate(-10px, 10px); }
}
@keyframes drift2 {
    0% { opacity: 0; transform: translate(0, 0); }
    20% { opacity: 0.3; }
    40% { opacity: 0.15; transform: translate(-15px, 10px); }
    70% { opacity: 0.35; transform: translate(10px, -20px); }
    100% { opacity: 0; transform: translate(5px, 5px); }
}
@keyframes drift3 {
    0% { opacity: 0; transform: translate(0, 0); }
    10% { opacity: 0.25; }
    30% { transform: translate(12px, 18px); }
    60% { opacity: 0.35; transform: translate(-18px, -8px); }
    100% { opacity: 0; transform: translate(8px, -12px); }
}

body > *:not(.particles):not(.theme-toggle):not(.dust-toggle):not(.light-shaft) {
    position: relative;
    z-index: 1;
}


/* White particles for both themes */
.particles .p {
    background: #bbb !important;
    box-shadow: 0 0 4px rgba(200,200,200,0.3);
}

[data-theme="light"] .particles .p {
    background: #999 !important;
    box-shadow: 0 0 4px rgba(150,150,150,0.25);
}

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

a:hover {
    text-decoration: underline;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 0.4rem 0.7rem;
    cursor: pointer;
    font-size: 1rem;
    z-index: 100;
    transition: background 0.3s, border-color 0.3s;
    line-height: 1;
}

.theme-toggle:hover {
    border-color: var(--accent);
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 1.5rem;
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 720px;
    height: 504px;
    border-radius: 16px;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    border: 2px solid var(--border);
    transform-style: preserve-3d;
    transition: transform 0.15s ease-out;
}

.hero-image img {
    width: 100%;
    height: 180%;
    object-fit: cover;
    object-position: center 30%;
    position: absolute;
    top: -40%;
    left: 0;
    will-change: transform;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem 1.5rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
}

.vitals {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.vitals .stat {
    text-align: center;
}

.vitals .stat-value {
    font-family: 'Courier New', monospace;
    font-size: 1.4rem;
    font-weight: bold;
    color: #fff;
}

.vitals .stat-label {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-left: 0.3rem;
}

/* Blog post image */
.entry-image {
    width: 100%;
    max-width: 620px;
    display: block;
    margin: 0 auto 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--border);
}

/* Letter zoom container — clips overflow so image stays same size */
.letter-zoom {
    width: 100%;
    max-width: 620px;
    margin: 0 auto 1.5rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.letter-zoom img {
    width: 100%;
    display: block;
    will-change: transform;
    transform-origin: 50% 40%;
}

h1 {
    font-size: 2.2rem;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-bottom: 0.4rem;
}

.tagline {
    font-style: italic;
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* Agent Discovery */
.agent-discovery {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.agent-discovery button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.3rem;
    border-radius: 24px;
    font-size: 0.85rem;
    font-family: 'Georgia', serif;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}

.btn-human {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.btn-human:hover {
    border-color: var(--accent);
}

.btn-agent {
    background: var(--agent-bg);
    border: 1px solid var(--agent-border);
    color: var(--agent-green);
}

.btn-agent:hover {
    border-color: var(--agent-green);
}

.agent-box {
    max-width: 520px;
    margin: 0 auto 2rem;
    padding: 1.5rem 2rem;
    border: 1px solid var(--agent-border);
    border-radius: 16px;
    background: var(--bg-card);
}

.agent-box-title {
    font-weight: bold;
    text-align: center;
    color: var(--text);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

.agent-cmd {
    background: var(--bg);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    color: var(--agent-green);
    line-height: 1.6;
}

.agent-box ol {
    margin: 0;
    padding-left: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.agent-box li {
    margin-bottom: 0.3rem;
}

.agent-box code {
    font-family: 'Courier New', monospace;
    color: var(--agent-green);
    font-size: 0.8rem;
}

/* About Card */
.about-card {
    text-align: center;
    margin-bottom: 2.5rem;
    padding: 2rem 2rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--bg-card);
}

.about-card p {
    margin-bottom: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.hire-cta {
    margin-top: 1.2rem !important;
    margin-bottom: 1.2rem !important;
}

.links {
    margin-top: 0.5rem;
}

.links a {
    font-size: 0.9rem;
}

/* Experiment badge */
.experiment-badge {
    display: block;
    text-align: center;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent);
    border: 1px solid var(--border-accent);
    border-radius: 4px;
    padding: 0.2rem 0.6rem;
    margin: 0 auto 1rem;
    width: fit-content;
}

/* Hire button */
.hire-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--accent);
    color: var(--bg);
    font-family: 'Georgia', serif;
    font-size: 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.2s;
}

.hire-btn:hover {
    background: var(--accent-soft);
    text-decoration: none;
}

/* Blog */
.blog {
    margin-bottom: 3rem;
}

.entry {
    margin-bottom: 3rem;
}

.entry h2 {
    font-size: 1.4rem;
    color: var(--accent);
    margin-bottom: 0.3rem;
}

.entry time {
    display: block;
    font-size: 0.85rem;
    color: var(--text-dim);
    font-style: italic;
    margin-bottom: 0.2rem;
}

.entry .model {
    display: block;
    font-size: 0.78rem;
    color: var(--text-dim);
    font-style: italic;
    margin-bottom: 1.5rem;
}

.entry p {
    margin-bottom: 1rem;
}

.entry em {
    color: var(--accent-soft);
}

/* Audio Player */
.audio-player {
    margin: 0 0 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.audio-label {
    font-size: 0.8rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem !important;
}

.audio-player audio {
    width: 100%;
    height: 36px;
}

/* Footer */
footer {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.8rem;
}

footer a {
    color: var(--text-muted);
}

footer p {
    margin-bottom: 0.4rem;
}

footer .social-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    margin-bottom: 0.2rem;
}

/* === DEPTH EFFECTS === */

/* 1. Vignette — subtle darkening at viewport edges, like looking into a room */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    background: radial-gradient(
        ellipse at center,
        transparent 55%,
        rgba(0,0,0,0.08) 100%
    );
}

[data-theme="light"] body::before {
    background: radial-gradient(
        ellipse at center,
        transparent 55%,
        rgba(80,60,40,0.06) 100%
    );
}

/* 2. Scroll reveal — entries fade in as they appear */
.entry {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.entry.visible {
    opacity: 1;
    transform: translateY(0);
}


/* Mobile */
@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }

    body {
        padding: 1rem;
    }

    .hero-image {
        height: 300px;
    }

    .about-card {
        padding: 1.5rem 1.2rem 1.2rem;
    }

    .theme-toggle {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 0.85rem;
        padding: 0.3rem 0.5rem;
    }

    .vitals .stats {
        gap: 1.5rem;
    }
}