/* ==========================================================================
   Design tokens — "chart paper editorial"
   Dark (midnight terminal) is the default; light (chart paper) is the
   offering, applied via [data-theme="light"] on <html>.
   ========================================================================== */
:root {
    --paper: #0A1020;
    --paper-deep: #141F3A;
    --card: #0F1A31;
    --ink: #E9E4D4;
    --ink-soft: #C0BCAD;
    --ink-mute: #8B8FA0;
    --line: #263250;
    --line-soft: #16203A;
    --green: #D0A63C;
    --green-bright: #E8C468;
    --red: #D0603F;

    --walk-fan-opacity: 0.03;
    --nav-bg: rgba(10, 16, 32, 0.85);
    --nav-shadow: rgba(0, 0, 0, 0.45);
    --grain-opacity: 0.05;
    --ticker-overlay: rgba(6, 11, 22, 0.62);
    --btn-hover-text: #0A1020;
    --footer-bg: #060B16;
    --footer-border: #263250;
    --footer-note: rgba(233, 228, 212, 0.7);
    --footer-social: rgba(233, 228, 212, 0.55);
    --colophon-text: rgba(233, 228, 212, 0.4);
    --colophon-border: rgba(233, 228, 212, 0.1);
    --plate-shadow: rgba(208, 166, 60, 0.16);

    --serif: 'Fraunces', 'Iowan Old Style', Georgia, serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;
}

[data-theme="light"] {
    --paper: #F7F4EC;
    --paper-deep: #EFEBDF;
    --card: #FDFCF8;
    --ink: #1C1B18;
    --ink-soft: #4C4A43;
    --ink-mute: #807D72;
    --line: #DCD7C8;
    --line-soft: #E7E3D6;
    --green: #0E7A4E;
    --green-bright: #23A06C;
    --red: #C2452D;

    --walk-fan-opacity: 0.05;
    --nav-bg: rgba(247, 244, 236, 0.88);
    --nav-shadow: rgba(28, 27, 24, 0.06);
    --grain-opacity: 0.028;
    --ticker-overlay: rgba(9, 14, 27, 0.78);
    --btn-hover-text: #FFFFFF;
    --footer-bg: #1C1B18;
    --footer-border: transparent;
    --footer-note: rgba(247, 244, 236, 0.75);
    --footer-social: rgba(247, 244, 236, 0.6);
    --colophon-text: rgba(247, 244, 236, 0.45);
    --colophon-border: rgba(247, 244, 236, 0.12);
    --plate-shadow: rgba(14, 122, 78, 0.14);
}

/* Reset and base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--sans);
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--paper);
}

/* Subtle paper grain over everything */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 2000;
    pointer-events: none;
    opacity: var(--grain-opacity);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

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

:focus-visible {
    outline: 2px solid var(--green);
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2001;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--mono);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 0.7rem 1.2rem;
}

.skip-link:focus {
    left: 0;
}

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Shared type helpers */
.eyebrow,
.section-label {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
}

.section-label {
    color: var(--ink-mute);
    margin-bottom: 2.5rem;
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
}

.section-note {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-mute);
}

.link-quiet {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    text-decoration: none;
    border-bottom: 1px solid var(--line);
    padding-bottom: 2px;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.link-quiet:hover {
    color: var(--green);
    border-color: var(--green);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 1px 0 var(--line), 0 8px 24px var(--nav-shadow);
}

.nav-container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    height: 68px;
}

.nav-logo {
    margin-right: auto;
}

.nav-logo a {
    font-family: var(--serif);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--ink);
    text-decoration: none;
    transition: color 0.25s ease;
}

.nav-logo a:hover {
    color: var(--green);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.25rem;
}

.nav-link {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-soft);
    text-decoration: none;
    transition: color 0.25s ease;
    position: relative;
    padding-bottom: 4px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--ink);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--green);
    transition: width 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

/* Theme toggle: sun shown on dark (click for light), moon on light */
.theme-toggle {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--line);
    border-radius: 2px;
    color: var(--ink-soft);
    font-size: 0.85rem;
    cursor: pointer;
    transition: color 0.25s ease, border-color 0.25s ease;
}

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

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: inline;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 24px;
    height: 2px;
    background-color: var(--ink);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active .bar:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

/* ==========================================================================
   Hero — chart paper with a live random walk + forecast fan
   ========================================================================== */
.hero {
    position: relative;
    padding: 158px 0 0;
    min-height: 86vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--line-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 52px 52px;
    background-position: center top;
}

#hero-walk {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 40px;
    width: 100%;
    height: 46%;
    z-index: 0;
    cursor: pointer;
}

.walk-ring {
    transform-box: fill-box;
    transform-origin: center;
    animation: walkPulse 2.4s ease-out infinite;
}

@keyframes walkPulse {
    0%   { transform: scale(0.4); opacity: 0.6; }
    70%  { transform: scale(2.4); opacity: 0; }
    100% { transform: scale(2.4); opacity: 0; }
}

.hero .container {
    position: relative;
    z-index: 1;
    /* .hero is a flex column; without this, margin:auto shrinks the container
       to its content width and strands the text mid-page */
    width: 100%;
}

.hero-content {
    padding-bottom: 4.5rem;
}

.hero-text {
    max-width: 38rem;
}

.hero-text .eyebrow {
    margin-bottom: 1.5rem;
}

.hero-text h1 {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 5vw, 4.1rem);
    font-weight: 560;
    line-height: 1.07;
    letter-spacing: -0.015em;
    color: var(--ink);
    margin-bottom: 1.75rem;
}

.hero-text h1 em {
    font-style: italic;
    color: var(--green);
}

.hero-lede {
    font-size: 1.1rem;
    color: var(--ink-soft);
    line-height: 1.75;
    max-width: 34rem;
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.6rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
    border: 1px solid var(--ink);
    border-radius: 2px;
    transition: all 0.25s ease;
}

.btn-primary {
    background-color: var(--ink);
    color: var(--paper);
}

.btn-primary:hover {
    background-color: var(--green);
    border-color: var(--green);
    color: var(--btn-hover-text);
}

.btn-primary .btn-arrow {
    transition: transform 0.25s ease;
}

.btn-primary:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--ink);
}

.btn-secondary:hover {
    background-color: var(--ink);
    color: var(--paper);
}

/* Portrait — background-free cutout melting into the theme */
.hero-portrait {
    position: absolute;
    /* align the portrait's right edge with the container's content edge */
    right: calc(max(0px, 50vw - 580px) + 2rem);
    top: 44%;
    transform: translateY(-50%);
    height: min(62vh, 540px);
    z-index: 0;
    pointer-events: none;
    /* background-free cutout only needs its torso faded out at the bottom */
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 78%, transparent 99%);
    mask-image: linear-gradient(to bottom, #000 0%, #000 78%, transparent 99%);
}

.hero-portrait img {
    display: block;
    height: 100%;
    width: auto;
    /* dark: a light figure glowing softly out of the navy */
    mix-blend-mode: normal;
    filter: grayscale(1) contrast(1.04) brightness(1.06)
            drop-shadow(0 0 48px rgba(233, 228, 212, 0.14));
    /* the source photo crops the arms at its frame; fade those straight cuts */
    -webkit-mask-image: linear-gradient(to right, transparent 1%, #000 16%, #000 84%, transparent 99%);
    mask-image: linear-gradient(to right, transparent 1%, #000 16%, #000 84%, transparent 99%);
}

[data-theme="light"] .hero-portrait img {
    /* light: ink-print — multiply lets the chart grid show through */
    mix-blend-mode: multiply;
    filter: grayscale(1) contrast(1.06);
}

/* Credential ticker — market-data strip over the candlestick banner */
.ticker {
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--ink);
    border-bottom: 1px solid var(--ink);
    background: #0B1122 url('images/background.jpeg') center 30% / cover no-repeat;
}

.ticker::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--ticker-overlay);
}

.ticker-inner {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.75rem 2rem;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.ticker span[role="listitem"] {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-variant-numeric: tabular-nums;
    color: rgba(243, 240, 230, 0.85);
}

.ticker .tick-up b {
    color: var(--green-bright);
    font-weight: 500;
}

/* ==========================================================================
   Index rows (journal-style table of contents)
   ========================================================================== */
.index-section {
    padding: 96px 0 88px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
}

.index-row {
    display: grid;
    grid-template-columns: 88px 1fr auto;
    align-items: center;
    gap: 2rem;
    padding: 2.2rem 0.5rem;
    border-top: 1px solid var(--line);
    text-decoration: none;
    transition: background-color 0.25s ease;
}

.index-row:last-of-type {
    border-bottom: 1px solid var(--line);
}

.index-row:hover {
    background-color: var(--paper);
}

.index-num {
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--green);
}

.index-title {
    display: block;
    font-family: var(--serif);
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    font-weight: 560;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 0.5rem;
    transition: color 0.25s ease;
}

.index-row:hover .index-title {
    color: var(--green);
}

.index-desc {
    display: block;
    font-size: 0.98rem;
    color: var(--ink-mute);
    line-height: 1.65;
    max-width: 44rem;
}

.index-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.index-spark {
    width: 64px;
    height: 28px;
}

.spark-ln {
    fill: none;
    stroke: var(--ink-mute);
    stroke-width: 1.5;
    opacity: 0.6;
    transition: stroke 0.25s ease, opacity 0.25s ease;
}

.spark-fit {
    stroke: var(--ink-mute);
    stroke-width: 1;
    stroke-dasharray: 3 3;
    opacity: 0.6;
    transition: stroke 0.25s ease;
}

.spark-pt {
    fill: var(--ink-mute);
    opacity: 0.6;
    transition: fill 0.25s ease;
}

.spark-dot {
    fill: var(--ink-mute);
    transition: fill 0.25s ease;
}

.index-row:hover .spark-ln,
.index-row:hover .spark-fit {
    stroke: var(--green);
    opacity: 1;
}

.index-row:hover .spark-pt {
    fill: var(--ink-soft);
}

.index-row:hover .spark-dot {
    fill: var(--green);
}

.index-arrow {
    font-size: 1.5rem;
    color: var(--line);
    transition: color 0.25s ease, transform 0.25s ease;
}

.index-row:hover .index-arrow {
    color: var(--green);
    transform: translateX(6px);
}

/* "At a glance" panel — every tool visible in one screen */
.glance {
    padding: 44px 0 52px;
    background: var(--card);
    border-bottom: 1px solid var(--line);
}

.glance .section-label {
    margin-bottom: 1.6rem;
}

.glance-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.6rem 2.25rem;
}

.glance-cat {
    font-family: var(--mono);
    font-size: 0.66rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 0.55rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--line-soft);
}

.glance-item {
    display: flex;
    gap: 0.55rem;
    align-items: baseline;
    font-size: 0.88rem;
    color: var(--ink-soft);
    text-decoration: none;
    padding: 0.22rem 0;
    transition: color 0.2s ease;
}

.glance-item span {
    font-family: var(--mono);
    font-size: 0.7rem;
    color: var(--green);
}

.glance-item:hover {
    color: var(--green);
}

/* Compact table-of-contents variant (visualizations page) */
.toc .section-label {
    margin: 4rem 0 1.5rem;
}

.toc .section-label:first-of-type {
    margin-top: 0;
}

.toc .index-row {
    grid-template-columns: 64px 1fr auto;
    gap: 1.5rem;
    padding: 1.5rem 0.5rem;
}

.toc .index-title {
    font-size: clamp(1.2rem, 1.9vw, 1.55rem);
    margin-bottom: 0.35rem;
}

.toc .index-desc {
    font-size: 0.92rem;
    max-width: 48rem;
}

.toc .index-arrow {
    font-size: 1.25rem;
}

.toc-foot {
    margin-top: 3rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ==========================================================================
   Plates — featured tools as engravings
   ========================================================================== */
.plates {
    padding: 96px 0 88px;
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--line-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 52px 52px;
    border-bottom: 1px solid var(--line);
}

.plates .section-head {
    margin-bottom: 2.5rem;
}

.plates .section-label {
    margin-bottom: 0;
}

.plates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.plate {
    display: block;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 2px;
    padding: 1.4rem 1.4rem 1.6rem;
    text-decoration: none;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.plate:hover {
    border-color: var(--ink);
    box-shadow: 8px 8px 0 var(--plate-shadow);
    transform: translateY(-2px);
}

.plate-art {
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 1.1rem;
    border-bottom: 1px solid var(--line-soft);
    padding-bottom: 0.9rem;
}

.plate-art .ln {
    fill: none;
    stroke: var(--ink);
    stroke-width: 1.5;
    opacity: 0.75;
    transition: opacity 0.25s ease;
}

.plate:hover .plate-art .ln {
    opacity: 1;
}

.plate-art .ln-soft {
    fill: none;
    stroke: var(--ink-mute);
    stroke-width: 1;
    stroke-dasharray: 3 3;
    opacity: 0.6;
}

.plate-art .ln-green {
    fill: none;
    stroke: var(--green);
    stroke-width: 2;
}

.plate-art .ln-green-dash {
    fill: none;
    stroke: var(--green);
    stroke-width: 1.5;
    stroke-dasharray: 4 3;
}

.plate-art .band {
    fill: var(--green);
    opacity: 0.08;
}

.plate-art .dot {
    fill: var(--green);
}

.plate-art .dot-ink {
    fill: var(--ink);
    opacity: 0.55;
}

.plate-art .stem {
    stroke: var(--ink);
    stroke-width: 1.5;
    opacity: 0.5;
}

.plate-art .stem-hi {
    stroke: var(--green);
    stroke-width: 1.5;
}

.plate-art .edge {
    stroke: var(--ink);
    stroke-width: 1;
    opacity: 0.18;
}

.plate-art .node {
    fill: var(--card);
    stroke: var(--ink);
    stroke-width: 1.25;
    opacity: 0.8;
}

.plate-art .node-hot {
    fill: var(--green);
    stroke: var(--ink);
    stroke-width: 1.25;
}

.plate-num {
    display: block;
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.4rem;
}

.plate-title {
    display: block;
    font-family: var(--serif);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.45rem;
    line-height: 1.25;
}

.plate-desc {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-mute);
    line-height: 1.55;
}

.plates-foot {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.plates-footnote {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    color: var(--ink-mute);
}

/* ==========================================================================
   About / prose sections
   ========================================================================== */
.about {
    padding: 96px 0;
    background: var(--card);
}

.about-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 3rem;
    align-items: start;
}

.about-grid .section-label {
    margin-bottom: 0;
    position: sticky;
    top: 110px;
}

.about-text p {
    font-size: 1.12rem;
    color: var(--ink-soft);
    margin-bottom: 1.6rem;
    line-height: 1.85;
    max-width: 40rem;
}

.about-text a {
    color: var(--green);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.about-text a:hover {
    color: var(--ink);
}

.pull-quote {
    margin: 2.6rem 0;
    padding-left: 1.6rem;
    border-left: 2px solid var(--green);
    max-width: 36rem;
}

.pull-quote p {
    font-family: var(--serif);
    font-style: italic;
    font-size: 1.45rem;
    line-height: 1.45;
    color: var(--ink);
    margin-bottom: 0.6rem;
}

.pull-quote cite {
    font-family: var(--mono);
    font-style: normal;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
    color: var(--ink-mute);
}

/* Expertise as a chart legend */
.legend {
    margin-top: 2.8rem;
    padding-top: 2rem;
    border-top: 1px solid var(--line);
}

.legend-title {
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 1.2rem;
}

.legend-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0.9rem 2rem;
}

.legend-list li {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-family: var(--mono);
    font-size: 0.85rem;
    color: var(--ink-soft);
}

.swatch {
    flex: none;
    width: 10px;
    height: 10px;
    border: 1px solid var(--ink);
}

.swatch.s1 { background: var(--green); }
.swatch.s2 { background: var(--ink); }
.swatch.s3 { background: var(--green-bright); }
.swatch.s4 { background: var(--paper-deep); }

/* ==========================================================================
   Inner pages — header, sections, cards
   ========================================================================== */
.page-header {
    padding: 140px 0 52px;
    background-color: var(--paper);
    background-image:
        linear-gradient(var(--line-soft) 1px, transparent 1px),
        linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 52px 52px;
    border-bottom: 1px solid var(--line);
}

.page-header .eyebrow {
    display: block;
    margin-bottom: 1.2rem;
}

.page-header h1 {
    font-family: var(--serif);
    font-size: clamp(2.2rem, 4.5vw, 3.4rem);
    font-weight: 560;
    letter-spacing: -0.01em;
    color: var(--ink);
    margin-bottom: 1rem;
    max-width: 46rem;
}

.page-header p {
    font-size: 1.15rem;
    color: var(--ink-soft);
    max-width: 620px;
}

.content-section {
    padding: 72px 0;
}

.content-section.alt {
    background: var(--card);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.content-grid {
    display: grid;
    gap: 1.5rem;
}

.content-grid.cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.content-grid.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.content-card {
    background: var(--card);
    padding: 2rem;
    border-radius: 2px;
    border: 1px solid var(--line);
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.content-card:hover {
    border-color: var(--ink);
    box-shadow: 6px 6px 0 var(--plate-shadow);
}

.card-label {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.6rem;
}

.content-card h3 {
    font-family: var(--serif);
    color: var(--ink);
    margin-bottom: 0.9rem;
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.3;
}

.content-card p {
    color: var(--ink-soft);
    line-height: 1.7;
    margin-bottom: 0.9rem;
}

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

.content-card ul {
    margin: 0.4rem 0 0.9rem;
    padding: 0;
    list-style: none;
}

.content-card ul li {
    padding: 0.28rem 0 0.28rem 1.1rem;
    position: relative;
    color: var(--ink-soft);
    line-height: 1.55;
}

.content-card ul li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--green);
}

.content-card strong {
    color: var(--ink);
    font-weight: 600;
}

.content-card a {
    color: var(--green);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.content-card a:hover {
    color: var(--ink);
}

.card-list-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin: 1.2rem 0 0.2rem;
}

/* Contact page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.contact-row {
    display: flex;
    gap: 1rem;
    padding: 1.1rem 0;
    border-top: 1px solid var(--line-soft);
}

.contact-row:first-of-type {
    border-top: none;
    padding-top: 0;
}

.contact-row i {
    color: var(--green);
    font-size: 1rem;
    width: 1.4rem;
    text-align: center;
    padding-top: 0.25rem;
}

.contact-row h3 {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--ink-mute);
    margin-bottom: 0.3rem;
}

.contact-row p {
    margin-bottom: 0.15rem;
    color: var(--ink-soft);
}

.social-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}

.social-card {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: 2px;
    background: var(--paper);
    text-decoration: none;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.social-card:hover {
    border-color: var(--green);
    transform: translateY(-2px);
}

.social-card i {
    font-size: 1.35rem;
    color: var(--ink-soft);
    transition: color 0.25s ease;
}

.social-card:hover i {
    color: var(--green);
}

.social-name {
    font-weight: 500;
    color: var(--ink);
    font-size: 0.95rem;
}

.social-desc {
    font-size: 0.8rem;
    color: var(--ink-mute);
}

.address-block {
    margin-top: 3rem;
    text-align: center;
    padding: 3rem 2rem;
}

.address-block .btn-row {
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin-top: 1.75rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */
footer {
    background-color: var(--footer-bg);
    border-top: 1px solid var(--footer-border);
    color: var(--paper);
    padding: 2.2rem 0 1.8rem;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-note {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--footer-note);
}

.social-links {
    display: flex;
    gap: 1.4rem;
}

.social-links a {
    color: var(--footer-social);
    font-size: 1.15rem;
    transition: color 0.25s ease;
}

.social-links a:hover {
    color: var(--green-bright);
}

.colophon {
    flex-basis: 100%;
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--colophon-border);
    text-align: center;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    color: var(--colophon-text);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .plates-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .content-grid.cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .glance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 68px;
        flex-direction: column;
        background-color: var(--paper);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.15);
        padding: 2rem 0;
        gap: 1.25rem;
    }

    .nav-menu.active {
        left: 0;
    }

    .hero {
        padding-top: 128px;
        min-height: auto;
    }

    .hero-content {
        padding-bottom: 3rem;
    }

    .hero-portrait {
        position: relative;
        right: auto;
        top: auto;
        transform: none;
        height: auto;
        margin: 0.5rem 0 1rem;
    }

    .hero-portrait img {
        height: auto;
        width: 74%;
        margin: 0 auto;
        -webkit-mask-image: linear-gradient(to bottom, #000 78%, transparent 100%);
        mask-image: linear-gradient(to bottom, #000 78%, transparent 100%);
    }

    #hero-walk {
        height: 32%;
    }

    .index-row,
    .toc .index-row {
        grid-template-columns: 48px 1fr;
        gap: 1.25rem;
        padding: 1.8rem 0.25rem;
    }

    .index-meta {
        display: none;
    }

    .plates-grid,
    .content-grid.cols-2,
    .content-grid.cols-3,
    .contact-grid,
    .social-grid,
    .glance-grid {
        grid-template-columns: 1fr;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about-grid .section-label {
        position: static;
    }

    .container {
        padding: 0 1.25rem;
    }

    footer .container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2.15rem;
    }

    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.75rem;
    }

    .ticker-inner {
        flex-direction: column;
        gap: 0.5rem;
    }

    .pull-quote p {
        font-size: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}
