/* ==========================================
   Design Tokens - Editorial Dark
   Fonts loaded via <link> in index.html for non-blocking parallel fetch.
   ========================================== */
:root {
    /* Surfaces - warm off-black, no pitch-black tech-vibe */
    --bg: #0e0d0c;
    --surface: #161412;
    --surface-2: #1c1916;
    --border: #2a261f;
    --border-strong: #3a342b;

    /* Text - warm cream tones (all pass WCAG AA contrast on --bg) */
    --text-primary: #ece8df;
    --text-secondary: #b8b1a0;
    --text-tertiary: #948b78;
    --text-muted: #8c8472;

    /* Single accent - warm amber, no cyan rainbow */
    --accent: #d97f3c;
    --accent-soft: rgba(217, 127, 60, 0.12);
    --accent-dim: rgba(217, 127, 60, 0.35);

    /* Typography */
    --font-display: 'Instrument Serif', 'Iowan Old Style', 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;

    /* Spacing */
    --container-max: 1240px;
    --rail-width: 320px;
    --r-sm: 2px;
    --r-md: 4px;
    --r-lg: 6px;
}

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

html {
    font-size: 16px;
    scroll-behavior: auto;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "ss01" on, "cv11" on;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

::selection { background: var(--accent-soft); color: var(--text-primary); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1.1;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 150ms ease;
}
a:hover { color: var(--text-primary); }
a:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 3px;
}

.highlight {
    color: var(--accent);
    font-family: var(--font-mono);
}

em {
    color: var(--text-primary);
    font-family: var(--font-display);
    font-style: italic;
    font-weight: 400;
}

strong {
    color: var(--text-primary);
    font-weight: 600;
    font-feature-settings: "tnum" on;
}

/* ==========================================
   Inline SVG icons (replaces Font Awesome)
   ========================================== */
.icon {
    width: 1em;
    height: 1em;
    vertical-align: -0.15em;
    fill: currentColor;
    flex-shrink: 0;
}
.icon-pub {
    width: 1.1rem;
    height: 1.1rem;
}
.icon.spin {
    animation: spin 1.1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ==========================================
   Scroll Progress (subtle line)
   ========================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 1px;
    background: var(--accent);
    z-index: 1001;
    width: 0%;
    transition: width 0.1s linear;
}

/* ==========================================
   Chapter Nav (right rail) - text-only, no glass
   ========================================== */
.chapter-nav {
    position: fixed;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 100;
}

.chapter-dot {
    appearance: none;
    -webkit-appearance: none;
    width: auto;
    height: auto;
    background: transparent;
    cursor: pointer;
    transition: color 220ms ease;
    position: relative;
    display: flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-tertiary);
    border: none;
    padding: 6px 0 6px 16px;
    letter-spacing: 1px;
    text-align: left;
    line-height: 1;
}
.chapter-dot:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 4px;
    color: var(--text-primary);
}

.chapter-dot::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 8px;
    height: 1px;
    background: currentColor;
    transition: width 220ms ease;
}

.chapter-dot::after {
    content: attr(title);
    position: absolute;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 200ms ease;
    pointer-events: none;
    letter-spacing: 0.5px;
}

.chapter-dot:hover::after { opacity: 1; }
.chapter-dot:hover { color: var(--text-secondary); }
.chapter-dot.active {
    color: var(--accent);
}
.chapter-dot.active::before { width: 18px; }

/* ==========================================
   Buttons - editorial, no fills/glows
   ========================================== */
.btn {
    display: inline-flex;
    align-items: baseline;
    gap: 10px;
    padding: 14px 0;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--text-primary);
    border-radius: 0;
    cursor: pointer;
    transition: color 180ms ease, border-color 180ms ease, gap 180ms ease;
    text-transform: lowercase;
    letter-spacing: 0.04em;
    position: relative;
}

.btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    gap: 14px;
}

.btn .arrow { transition: transform 180ms ease; }
.btn:hover .arrow { transform: translateX(2px); }

.btn-large {
    padding: 18px 0;
    font-size: 0.9rem;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 28px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: padding 200ms ease, background 200ms ease;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(14, 13, 12, 0.92);
    padding: 18px 40px;
    border-bottom: 1px solid var(--border);
}

.nav-brand a {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-link {
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-transform: lowercase;
    letter-spacing: 0.05em;
    transition: color 150ms ease;
}

.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link.active { color: var(--accent); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    appearance: none;
    -webkit-appearance: none;
}
.nav-toggle:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 4px;
}
.nav-toggle span {
    width: 22px;
    height: 1px;
    background: var(--text-primary);
    transition: transform 150ms ease, opacity 150ms ease;
}

/* ==========================================
   Scroll Story shell
   ========================================== */
.scroll-story {
    position: relative;
    z-index: 1;
}

.chapter {
    position: relative;
    padding: 140px 40px 140px;
}

/* ==========================================
   Hero / Connect (centered chapters)
   ========================================== */
.chapter-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 140px 40px 100px;
}

.hero-inner {
    max-width: 920px;
    width: 100%;
    margin: 0 auto;
    position: relative;
}

/* Hero - typographic moment, no decode effect, no gradient */
.hero-name {
    font-family: var(--font-display);
    font-size: clamp(3.4rem, 11vw, 7.6rem);
    line-height: 0.92;
    margin-bottom: 32px;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    font-weight: 400;
}
.name-part { display: block; }
.name-part.first { color: var(--text-primary); }
.name-part.last {
    font-style: italic;
    color: var(--text-primary);
}

.hero-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 40px;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    opacity: 1;
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.6vw, 1.85rem);
    color: var(--text-secondary);
    font-weight: 400;
    font-style: italic;
    max-width: 720px;
    margin: 0 0 64px;
    line-height: 1.35;
    letter-spacing: -0.005em;
}

/* Hero PoW strip - minimal numeric block */
.hero-pow {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin: 0 0 56px;
    max-width: 720px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.hero-pow-card {
    padding: 22px 20px 22px 0;
    background: transparent;
    border: none;
    border-right: 1px solid var(--border);
    border-radius: 0;
    text-align: left;
    position: relative;
    transition: none;
}

.hero-pow-card:last-child { border-right: none; padding-right: 0; }

.hero-pow-card::before { display: none; }

.hero-pow-value {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.6vw, 2.8rem);
    color: var(--text-primary);
    font-weight: 400;
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}
.hero-pow-value .suffix {
    color: var(--accent);
    font-size: 0.55em;
    margin-left: 2px;
    font-style: italic;
}
.hero-pow-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-tertiary);
    text-transform: lowercase;
    letter-spacing: 0.04em;
    line-height: 1.3;
}

.hero-cta {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.hero-social {
    position: absolute;
    bottom: -60px;
    left: 0;
    display: flex;
    gap: 24px;
    z-index: 5;
}
.hero-social a {
    color: var(--text-tertiary);
    font-size: 1.05rem;
    transition: color 180ms ease;
    min-width: 44px;
    min-height: 44px;
    margin: -8px;
    padding: 8px;
    border: none;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.hero-social a:hover { color: var(--accent); }
.hero-social a:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 2px;
    color: var(--accent);
}

.scroll-hint {
    position: absolute;
    bottom: 28px;
    right: 40px;
    transform: none;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: lowercase;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.7;
    animation: scrollHintBounce 2.6s ease-in-out infinite;
}
.scroll-hint::after {
    content: '↓';
    color: var(--accent);
    font-size: 0.85rem;
}
@keyframes scrollHintBounce {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.85; }
}

/* ==========================================
   Narrative chapters - sticky-rail
   ========================================== */
.chapter-narrative {
    padding: 120px 40px 120px;
}

.chapter-grid {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: var(--rail-width) 1fr;
    gap: 96px;
    align-items: start;
}

.chapter-rail {
    position: sticky;
    top: 16vh;
    padding-right: 32px;
}

.rail-number {
    display: block;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 4.4rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.rail-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--accent);
    text-transform: lowercase;
    letter-spacing: 0.12em;
    margin-bottom: 18px;
}

.rail-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 2.8vw, 2.4rem);
    line-height: 1.1;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    font-weight: 400;
}

.rail-tagline {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    max-width: 260px;
    letter-spacing: 0.02em;
}

/* Beats column */
.chapter-beats {
    display: flex;
    flex-direction: column;
    gap: 88px;
    min-width: 0;
}

.beat {
    opacity: 0;
    transform: translateY(20px);
    will-change: opacity, transform;
    max-width: 680px;
}

.beat.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1),
                transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.beat p {
    font-size: 1.12rem;
    color: var(--text-secondary);
    margin-bottom: 22px;
    line-height: 1.65;
    font-weight: 400;
}

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

/* ==========================================
   Milestones
   ========================================== */
.milestone {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}
.milestone:last-child { border-bottom: none; }

.milestone-marker {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    margin-top: 12px;
    flex-shrink: 0;
    position: relative;
}

.milestone-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 4px;
    font-weight: 400;
    letter-spacing: -0.005em;
}
.milestone-detail {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
}

/* ==========================================
   Publication Card
   ========================================== */
.publication-card {
    display: flex;
    gap: 20px;
    padding: 26px 0;
    border: none;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    background: transparent;
    border-radius: 0;
    margin-top: 28px;
    transition: none;
}
.publication-card:hover {
    transform: none;
    border-color: var(--text-tertiary);
}
.publication-card i {
    font-size: 1rem;
    color: var(--accent);
    margin-top: 6px;
}
.pub-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.3;
    font-weight: 400;
    letter-spacing: -0.005em;
}
.pub-venue {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}
.publication-card a {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}
.publication-card a:hover {
    text-decoration-color: var(--text-primary);
}

/* ==========================================
   Role Blocks - minimal, no card chrome
   ========================================== */
.role-block {
    padding: 36px 0 24px;
    background: transparent;
    border: none;
    border-top: 1px solid var(--border);
    border-radius: 0;
    position: relative;
    transition: none;
}

.role-block:hover { transform: none; }

.role-block > p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.65;
}
.role-block > p:last-child { margin-bottom: 0; }

.role-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 14px 24px;
    margin-bottom: 26px;
}

.role-company {
    font-family: var(--font-display);
    font-size: 1.85rem;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.015em;
    line-height: 1.1;
    grid-column: 1;
}

.role-title {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-tertiary);
    font-weight: 500;
    grid-column: 1;
    grid-row: 2;
    letter-spacing: 0.02em;
}

.role-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0;
    border: none;
    background: transparent;
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.highlight-role {
    border-top: 1px solid var(--accent);
    background: transparent;
    box-shadow: none;
}

.highlight-role .role-company {
    color: var(--text-primary);
}

.highlight-role .role-company::after {
    content: 'current';
    margin-left: 14px;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--accent);
    background: transparent;
    border: 1px solid var(--accent);
    padding: 2px 8px;
    border-radius: 999px;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    vertical-align: middle;
    font-weight: 500;
}

.role-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 24px;
}

/* All tags collapse to one muted style - no chip-rainbow */
.tag {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    padding: 3px 9px;
    border: 1px solid var(--border);
    color: var(--text-tertiary);
    background: transparent;
    border-radius: 2px;
    letter-spacing: 0.03em;
    transition: color 150ms ease, border-color 150ms ease;
}
.tag:hover { color: var(--accent); border-color: var(--accent); }
.tag.tag-chain, .tag.tag-lang, .tag.tag-infra, .tag.tag-ai, .tag.tag-web {
    color: var(--text-tertiary);
    border-color: var(--border);
    background: transparent;
}

.role-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin: 24px 0 8px;
    padding: 20px 0;
    background: transparent;
    border: none;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    border-left: none;
    border-radius: 0;
}
.metric { display: flex; flex-direction: column; gap: 4px; }
.metric-value {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
    line-height: 1;
}
.metric-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-tertiary);
    text-transform: lowercase;
    letter-spacing: 0.04em;
}

/* ==========================================
   Project Embeds - clean cards
   ========================================== */
.project-embed {
    margin: 28px 0;
    border: none;
    border-left: 2px solid var(--accent);
    background: transparent;
    border-radius: 0;
    overflow: visible;
    padding-left: 20px;
    transition: none;
}

.project-embed:hover {
    border-color: var(--text-primary);
    transform: none;
}

.embed-body {
    padding: 0;
    border-left: none;
}

.embed-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 400;
    letter-spacing: -0.005em;
    line-height: 1.2;
}

.embed-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    line-height: 1.6;
}

.project-embed a.embed-link {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    letter-spacing: 0.02em;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
}
.project-embed a.embed-link:hover {
    color: var(--text-primary);
    text-decoration-color: currentColor;
}

/* ==========================================
   Convergence Diptych - editorial pinned scrub
   ========================================== */
.beat-diptych {
    max-width: none;
    width: 100%;
    margin: 32px 0;
}

.diptych {
    position: relative;
    padding: 80px 32px;
    border: 1px solid var(--border);
    border-radius: 0;
    background: transparent;
    overflow: hidden;
}

.diptych::before { display: none; }

.diptych-grid {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 48px;
}

.diptych-col { text-align: center; position: relative; }

.diptych-col h4 {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    text-transform: lowercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    color: var(--text-tertiary);
    font-weight: 500;
}

.diptych-col .diptych-title {
    font-family: var(--font-display);
    font-size: 2.4rem;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1;
}

.diptych-col.left .diptych-title { color: var(--text-primary); font-style: italic; }
.diptych-col.right .diptych-title { color: var(--accent); font-style: italic; }

.diptych-col p {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 30ch;
    margin: 0 auto;
    line-height: 1.4;
    font-weight: 400;
}

.diptych-merge {
    width: 56px;
    height: 56px;
    border: none;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-family: var(--font-display);
    font-style: italic;
    font-size: 3rem;
    background: transparent;
    box-shadow: none;
    position: relative;
}

.diptych-merge::before, .diptych-merge::after { display: none; }

.diptych-merge-mark {
    display: inline-block;
    transition: transform 320ms ease, color 320ms ease;
    line-height: 1;
}

.diptych-caption {
    position: relative;
    text-align: center;
    margin-top: 48px;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    text-transform: lowercase;
    opacity: 0;
    transition: opacity 500ms ease;
}

.diptych.is-merged .diptych-caption { opacity: 1; }
.diptych.is-merged .diptych-merge-mark { color: var(--text-primary); }

/* ==========================================
   Connect chapter
   ========================================== */
.connect-inner { max-width: 720px; }

.connect-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--accent);
    text-transform: lowercase;
    letter-spacing: 0.12em;
    margin-bottom: 32px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    display: block;
}

.connect-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 6vw, 4.4rem);
    line-height: 1;
    margin-bottom: 40px;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    font-weight: 400;
    font-style: italic;
}

.connect-narrative {
    margin-bottom: 56px;
}
.connect-narrative p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 22px;
    line-height: 1.6;
}
.connect-narrative p:last-child { margin-bottom: 0; }

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 48px 0 32px;
    border-top: 1px solid var(--border);
}
.contact-item {
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 18px;
    color: var(--text-primary);
    font-size: 0.92rem;
    justify-content: flex-start;
    padding: 18px 0;
    border: none;
    border-bottom: 1px solid var(--border);
    background: transparent;
    border-radius: 0;
    transition: color 180ms ease;
    align-self: stretch;
    letter-spacing: 0.01em;
}
.contact-item:hover { color: var(--accent); }
.contact-item i { color: var(--accent); width: 16px; }

.contact-social {
    display: flex;
    gap: 24px;
    margin: 32px 0 48px;
    justify-content: flex-start;
}
.contact-social a {
    color: var(--text-tertiary);
    font-size: 1.1rem;
    transition: color 180ms ease;
    min-width: 44px;
    min-height: 44px;
    margin: -8px;
    padding: 8px;
    border: none;
    background: transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.contact-social a:hover { color: var(--accent); transform: none; }
.contact-social a:focus-visible {
    outline: 1px solid var(--accent);
    outline-offset: 2px;
    color: var(--accent);
}

#connect { padding-bottom: 100px; }

/* Signed CTA - strip the cosplay badge */
.btn-signed {
    color: var(--text-primary);
    border-bottom: 1px solid var(--text-primary);
}
.btn-signed:hover { color: var(--accent); border-bottom-color: var(--accent); }
.btn-signed .btn-sig { display: none; }

/* ==========================================
   Footer
   ========================================== */
.footer {
    padding: 56px 40px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: relative;
    z-index: 1;
    background: transparent;
    max-width: var(--container-max);
    margin: 0 auto;
}
.footer p {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-tertiary);
    margin: 0;
    letter-spacing: 0.02em;
}
.footer .highlight { color: var(--text-primary); font-family: var(--font-display); font-style: italic; font-size: 0.9rem; }

#github-activity {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    letter-spacing: 0.02em;
}
.activity-pulse {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    flex-shrink: 0;
}
.activity-pulse.active {
    background: var(--accent);
    box-shadow: none;
}

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

/* ==========================================
   Responsive
   ========================================== */
@media (max-width: 1180px) {
    :root { --rail-width: 280px; }
    .chapter-grid { gap: 64px; }
}

@media (max-width: 1024px) {
    .navbar { padding: 22px 28px; }
    .navbar.scrolled { padding: 16px 28px; }
    .chapter, .chapter-narrative { padding: 110px 28px 100px; }
    .chapter-nav { right: 18px; }

    .chapter-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .chapter-rail {
        position: static;
        max-width: 720px;
        padding-right: 0;
        border-top: 1px solid var(--border);
        padding-top: 32px;
    }
    .rail-number { font-size: 3.4rem; }
    .rail-tagline { max-width: none; }
    .beat { max-width: 720px; }
}

@media (max-width: 768px) {
    .navbar { padding: 18px 20px; }
    .navbar.scrolled { padding: 14px 20px; }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        opacity: 0;
        pointer-events: none;
        transition: opacity 200ms;
        z-index: 1000;
    }
    .nav-links.active { opacity: 1; pointer-events: all; }
    .nav-link { font-size: 1rem; padding: 12px 16px; min-height: 44px; }
    .nav-toggle { display: flex; z-index: 1001; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
    .nav-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

    .chapter, .chapter-narrative { padding: 100px 20px 80px; }
    .chapter-beats { gap: 64px; }
    .hero-inner { padding-bottom: 40px; }

    .hero-name { font-size: clamp(2.6rem, 13vw, 4rem); margin-bottom: 24px; }
    .hero-title { font-size: 0.72rem; margin-bottom: 28px; }
    .hero-tagline { font-size: 1.2rem; margin-bottom: 40px; }

    .hero-pow {
        grid-template-columns: repeat(2, 1fr);
        margin-bottom: 40px;
    }
    .hero-pow-card {
        padding: 18px 14px;
        border-right: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    .hero-pow-card:nth-child(2), .hero-pow-card:nth-child(4) { border-right: none; }
    .hero-pow-card:nth-child(3), .hero-pow-card:nth-child(4) { border-bottom: none; }
    .hero-pow-value { font-size: 1.7rem; }

    .hero-cta { flex-direction: column; gap: 16px; align-items: flex-start; }
    .hero-social { position: static; margin-top: 40px; }
    .scroll-hint { display: none; }
    .chapter-nav { display: none; }

    .rail-number { font-size: 2.6rem; }
    .rail-title { font-size: 1.6rem; }

    .role-block { padding: 26px 0 18px; }
    .role-header {
        grid-template-columns: 1fr;
    }
    .role-date {
        grid-column: 1;
        grid-row: 3;
        align-self: start;
    }
    .role-company { font-size: 1.6rem; }

    .diptych { padding: 48px 24px; }
    .diptych-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .diptych-merge { margin: 0 auto; font-size: 2rem; width: 40px; height: 40px; }
    .diptych-col .diptych-title { font-size: 2rem; }

    .connect-title { font-size: clamp(2rem, 9vw, 3rem); }
    .contact-item { font-size: 0.84rem; word-break: break-all; }
}

@media (max-width: 480px) {
    .chapter, .chapter-narrative { padding: 80px 16px 64px; }
    .hero-name { font-size: clamp(2.2rem, 14vw, 3rem); }
    .hero-pow-value { font-size: 1.4rem; }
    .role-company { font-size: 1.4rem; }
    .embed-title { font-size: 1.15rem; }
    .beat p { font-size: 1rem; }
}