/* ==========================================================================
   ANTICHRIST.CX
   No frameworks. No external fonts. No trackers. The machine stays visible.
   ========================================================================== */

:root {
    --bg: #060608;
    --bg-soft: #0b0b10;
    --surface: #101017;
    --surface-2: #15151e;
    --surface-3: #1b1b25;
    --line: rgba(255, 255, 255, 0.12);
    --line-strong: rgba(255, 255, 255, 0.24);
    --text: #f3efe7;
    --muted: #a8a4aa;
    --faint: #6f6c74;
    --signal: #ff4057;
    --signal-rgb: 255, 64, 87;
    --violet: #9b7bff;
    --violet-rgb: 155, 123, 255;
    --dawn: #ffbd69;
    --dawn-rgb: 255, 189, 105;
    --cyan: #66e6d0;
    --black: #000;
    --white: #fff;
    --shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
    --shadow-hard: 12px 12px 0 rgba(255, 64, 87, 0.14);
    --radius-xs: 0.45rem;
    --radius-sm: 0.8rem;
    --radius-md: 1.25rem;
    --radius-lg: 2rem;
    --radius-pill: 100vw;
    --shell: min(88rem, calc(100vw - 2.5rem));
    --header-h: 5.25rem;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
    --font-display: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Black", sans-serif;
    --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

html[data-theme="dawn"] {
    --bg: #eee8dc;
    --bg-soft: #e3ddcf;
    --surface: #f7f2e8;
    --surface-2: #ded7c9;
    --surface-3: #d1c9ba;
    --line: rgba(17, 15, 16, 0.15);
    --line-strong: rgba(17, 15, 16, 0.32);
    --text: #171315;
    --muted: #5f5a5c;
    --faint: #847f7f;
    --signal: #d5163a;
    --signal-rgb: 213, 22, 58;
    --violet: #603dd8;
    --violet-rgb: 96, 61, 216;
    --dawn: #b95c00;
    --dawn-rgb: 185, 92, 0;
    --cyan: #087c70;
    --shadow: 0 28px 70px rgba(78, 56, 40, 0.15);
    --shadow-hard: 12px 12px 0 rgba(213, 22, 58, 0.12);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scrollbar-color: var(--signal) var(--bg);
    scrollbar-width: thin;
    background: var(--bg);
}

html.no-js .reveal {
    opacity: 1;
    transform: none;
}

body {
    min-width: 20rem;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 8% 7%, rgba(var(--signal-rgb), 0.09), transparent 28rem),
        radial-gradient(circle at 90% 18%, rgba(var(--violet-rgb), 0.11), transparent 31rem),
        var(--bg);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body.dialog-open {
    overflow: hidden;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: 9999;
    content: "";
    pointer-events: none;
    opacity: 0.045;
    background: url("../img/noise.svg") repeat;
    mix-blend-mode: screen;
}

html[data-theme="dawn"] body::before {
    opacity: 0.08;
    mix-blend-mode: multiply;
}

::selection {
    color: var(--white);
    background: var(--signal);
}

::-webkit-scrollbar {
    width: 0.7rem;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    border: 0.15rem solid var(--bg);
    border-radius: 999px;
    background: var(--signal);
}

img,
svg,
canvas {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    color: inherit;
    font: inherit;
}

button,
select {
    cursor: pointer;
}

button {
    border: 0;
}

h1,
h2,
h3,
p,
blockquote,
dl,
dd {
    margin-top: 0;
}

h1,
h2,
h3 {
    line-height: 1.02;
    text-wrap: balance;
}

h2 {
    margin-bottom: 1.25rem;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 6.3rem);
    font-weight: 900;
    letter-spacing: -0.045em;
    text-transform: uppercase;
}

h3 {
    font-size: clamp(1.35rem, 2vw, 2rem);
}

p {
    text-wrap: pretty;
}

:focus-visible {
    outline: 0.16rem solid var(--dawn);
    outline-offset: 0.25rem;
}

[hidden] {
    display: none !important;
}

.shell {
    width: var(--shell);
    margin-inline: auto;
}

.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 10001;
    padding: 0.75rem 1rem;
    color: var(--black);
    background: var(--dawn);
    font-weight: 800;
    transform: translateY(-180%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.eyebrow {
    margin-bottom: 1.1rem;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.17em;
    line-height: 1.4;
    text-transform: uppercase;
}

.display {
    margin: 0;
    font-family: var(--font-display);
    font-weight: 900;
    letter-spacing: -0.055em;
    line-height: 0.83;
    text-transform: uppercase;
}

.display span {
    display: block;
}

.display__cut {
    color: transparent;
    -webkit-text-stroke: 0.045em var(--text);
    text-shadow: 0.055em 0.055em 0 var(--signal);
}

.display--hero {
    max-width: 11ch;
    font-size: clamp(5.2rem, 13.2vw, 13.8rem);
}

.display--page {
    font-size: clamp(4.4rem, 10.8vw, 11.2rem);
}

.section {
    position: relative;
    padding-block: clamp(5.5rem, 11vw, 10rem);
}

.section + .section {
    border-top: 1px solid var(--line);
}

.section-heading {
    max-width: 68rem;
    margin-bottom: clamp(2.75rem, 6vw, 5rem);
}

.section-heading > p:last-child {
    max-width: 52rem;
    margin-bottom: 0;
    color: var(--muted);
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
}

.section-heading--split {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(17rem, 0.65fr);
    gap: 3rem;
    max-width: none;
    align-items: end;
}

.section-heading--split > p,
.section-heading--split > a {
    justify-self: end;
}

.section-heading--center {
    margin-inline: auto;
    text-align: center;
}

.text-link,
.card-link {
    display: inline-flex;
    gap: 0.75rem;
    align-items: center;
    color: var(--text);
    font-weight: 800;
    text-decoration: underline;
    text-decoration-color: var(--signal);
    text-decoration-thickness: 0.12em;
    text-underline-offset: 0.35em;
}

.text-link span,
.card-link span {
    color: var(--signal);
    transition: transform 0.25s var(--ease);
}

.text-link:hover span,
.card-link:hover span {
    transform: translate(0.15rem, -0.15rem);
}

.button {
    position: relative;
    display: inline-flex;
    min-height: 3.75rem;
    padding: 0.85rem 1.25rem;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-pill);
    overflow: hidden;
    font-size: 0.88rem;
    font-weight: 900;
    letter-spacing: 0.035em;
    line-height: 1.2;
    text-transform: uppercase;
    transition:
        color 0.3s var(--ease),
        background 0.3s var(--ease),
        border-color 0.3s var(--ease),
        transform 0.3s var(--ease),
        box-shadow 0.3s var(--ease);
}

.button > * {
    position: relative;
    z-index: 1;
}

.button::before {
    position: absolute;
    inset: 0;
    content: "";
    background: var(--signal);
    transform: translateX(-102%);
    transition: transform 0.45s var(--ease);
}

.button:hover::before {
    transform: translateX(0);
}

.button:hover {
    color: var(--white);
    border-color: var(--signal);
    transform: translateY(-0.15rem);
}

.button--primary {
    color: var(--white);
    border-color: var(--signal);
    background: var(--signal);
    box-shadow: 0 0 0 0 rgba(var(--signal-rgb), 0.35);
}

.button--primary::before {
    background: var(--text);
}

.button--primary:hover {
    color: var(--bg);
    border-color: var(--text);
    box-shadow: 0 0 0 0.5rem rgba(var(--signal-rgb), 0.08);
}

html[data-theme="dawn"] .button--primary:hover {
    color: var(--surface);
}

.button--ghost {
    background: rgba(255, 255, 255, 0.025);
    backdrop-filter: blur(0.75rem);
}

.page-progress {
    position: fixed;
    inset: 0 0 auto;
    z-index: 10000;
    height: 0.18rem;
    pointer-events: none;
}

.page-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--signal), var(--dawn), var(--violet));
    box-shadow: 0 0 1rem rgba(var(--signal-rgb), 0.8);
}

.cursor-aura {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9000;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0;
    background: radial-gradient(circle, rgba(var(--signal-rgb), 0.12), rgba(var(--violet-rgb), 0.055) 35%, transparent 72%);
    filter: blur(0.5rem);
    transform: translate3d(-50%, -50%, 0);
    transition: opacity 0.3s ease;
}

.cursor-aura.is-visible {
    opacity: 1;
}

/* Header
   ========================================================================== */

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 1000;
    height: var(--header-h);
    border-bottom: 1px solid transparent;
    transition:
        background 0.35s ease,
        border-color 0.35s ease,
        transform 0.4s var(--ease);
}

.site-header.is-scrolled {
    border-bottom-color: var(--line);
    background: rgba(6, 6, 8, 0.78);
    backdrop-filter: blur(1.3rem) saturate(1.35);
}

html[data-theme="dawn"] .site-header.is-scrolled {
    background: rgba(238, 232, 220, 0.84);
}

.site-header.is-hidden {
    transform: translateY(-110%);
}

.site-header__inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    gap: 0.75rem;
    align-items: center;
    flex: 0 0 auto;
}

.brand__mark {
    display: grid;
    width: 2.25rem;
    height: 2.25rem;
    place-items: center;
}

.brand__mark svg {
    width: 100%;
    height: 100%;
    fill: none;
    stroke: var(--signal);
    stroke-linecap: round;
    stroke-width: 1.4;
    transition: transform 0.65s var(--ease);
}

.brand:hover .brand__mark svg {
    transform: rotate(90deg) scale(1.07);
}

.brand__word {
    display: flex;
    align-items: baseline;
    font-family: var(--font-display);
    letter-spacing: -0.03em;
    line-height: 1;
}

.brand__word strong {
    font-size: 1.25rem;
}

.brand__word em {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-style: normal;
    font-weight: 900;
    letter-spacing: 0.02em;
}

.primary-nav {
    display: flex;
    gap: clamp(0.8rem, 1.6vw, 1.75rem);
    align-items: center;
}

.primary-nav a {
    position: relative;
    padding: 0.8rem 0.1rem;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.065em;
    text-transform: uppercase;
    transition: color 0.25s ease;
}

.primary-nav a::after {
    position: absolute;
    right: 0;
    bottom: 0.55rem;
    left: 0;
    height: 0.12rem;
    content: "";
    background: var(--signal);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.35s var(--ease);
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
    color: var(--text);
}

.primary-nav a:hover::after,
.primary-nav a[aria-current="page"]::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-actions {
    display: flex;
    gap: 0.45rem;
    align-items: center;
}

.icon-button,
.menu-button {
    display: grid;
    min-width: 2.7rem;
    height: 2.7rem;
    padding: 0;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--text);
    background: rgba(255, 255, 255, 0.025);
    transition:
        border-color 0.25s ease,
        background 0.25s ease,
        transform 0.25s var(--ease);
}

.icon-button:hover,
.menu-button:hover {
    border-color: var(--signal);
    background: rgba(var(--signal-rgb), 0.1);
    transform: rotate(3deg);
}

.command-button {
    display: flex;
    width: auto;
    padding-inline: 0.7rem;
    gap: 0.45rem;
    border-radius: var(--radius-pill);
}

.command-button__hint {
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.63rem;
}

.theme-icon--dawn {
    display: none;
}

html[data-theme="dawn"] .theme-icon--void {
    display: none;
}

html[data-theme="dawn"] .theme-icon--dawn {
    display: inline;
}

.menu-button {
    display: none;
}

.menu-button span:not(.sr-only) {
    display: block;
    width: 1.05rem;
    height: 0.1rem;
    margin: 0.11rem auto;
    background: currentColor;
    transition: transform 0.3s var(--ease), opacity 0.3s ease;
}

/* Home hero
   ========================================================================== */

.hero {
    position: relative;
    min-height: 100svh;
    padding-top: var(--header-h);
    overflow: hidden;
    isolation: isolate;
}

.hero::after {
    position: absolute;
    inset: auto 0 0;
    z-index: 1;
    height: 18rem;
    content: "";
    pointer-events: none;
    background: linear-gradient(180deg, transparent, var(--bg));
}

.signal-field,
.hero-grid,
.hero-orbit {
    position: absolute;
    pointer-events: none;
}

.signal-field {
    inset: 0;
    z-index: -3;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.hero-grid {
    inset: 0;
    z-index: -4;
    opacity: 0.38;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 5.3rem 5.3rem;
    mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.hero-orbit {
    z-index: -2;
    border: 1px solid rgba(var(--signal-rgb), 0.22);
    border-radius: 50%;
    animation: slow-spin 28s linear infinite;
}

.hero-orbit::before,
.hero-orbit::after {
    position: absolute;
    border-radius: 50%;
    content: "";
    background: var(--signal);
    box-shadow: 0 0 1.5rem rgba(var(--signal-rgb), 0.75);
}

.hero-orbit::before {
    top: 16%;
    left: 3%;
    width: 0.55rem;
    height: 0.55rem;
}

.hero-orbit::after {
    right: 9%;
    bottom: 7%;
    width: 0.3rem;
    height: 0.3rem;
}

.hero-orbit--one {
    top: 8%;
    right: -12%;
    width: min(54rem, 68vw);
    aspect-ratio: 1;
}

.hero-orbit--two {
    bottom: -36%;
    left: -14%;
    width: min(42rem, 58vw);
    aspect-ratio: 1;
    border-color: rgba(var(--violet-rgb), 0.22);
    animation-direction: reverse;
    animation-duration: 36s;
}

.hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: calc(100svh - var(--header-h) - 8rem);
    padding-block: clamp(4.5rem, 9vw, 8rem) 3rem;
    grid-template-columns: minmax(0, 1.4fr) minmax(19rem, 0.6fr);
    gap: clamp(2rem, 6vw, 7rem);
    align-items: center;
}

.hero__copy {
    position: relative;
}

.hero__eyebrow {
    max-width: 55rem;
}

.hero__lead {
    max-width: 48rem;
    margin-top: clamp(2.2rem, 4vw, 3.5rem);
    margin-bottom: 2rem;
    color: var(--muted);
    font-size: clamp(1.15rem, 2.15vw, 1.75rem);
    line-height: 1.45;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.hero-terminal {
    align-self: end;
    margin-bottom: 2rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    overflow: hidden;
    background:
        linear-gradient(145deg, rgba(var(--violet-rgb), 0.1), transparent 43%),
        rgba(10, 10, 15, 0.7);
    box-shadow: var(--shadow), var(--shadow-hard);
    backdrop-filter: blur(1rem);
    transform: rotate(1.8deg);
}

html[data-theme="dawn"] .hero-terminal {
    background:
        linear-gradient(145deg, rgba(var(--violet-rgb), 0.1), transparent 43%),
        rgba(247, 242, 232, 0.76);
}

.hero-terminal__bar {
    display: flex;
    min-height: 2.8rem;
    padding: 0.75rem 0.85rem;
    gap: 0.42rem;
    align-items: center;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.025);
}

.hero-terminal__bar span {
    width: 0.52rem;
    height: 0.52rem;
    border-radius: 50%;
    background: var(--faint);
}

.hero-terminal__bar span:first-child {
    background: var(--signal);
}

.hero-terminal__bar span:nth-child(2) {
    background: var(--dawn);
}

.hero-terminal__bar span:nth-child(3) {
    background: var(--cyan);
}

.hero-terminal__bar em {
    margin-left: auto;
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-terminal__body {
    padding: clamp(1.4rem, 3vw, 2.25rem);
}

.hero-terminal__body p {
    display: grid;
    margin-bottom: 1rem;
    grid-template-columns: 2rem 1fr;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.55;
}

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

.hero-terminal__body b {
    color: var(--signal);
}

.hero-terminal__body .terminal-strike {
    color: var(--text);
    font-weight: 900;
}

.hero__metrics {
    position: relative;
    z-index: 3;
    display: grid;
    margin-bottom: 2rem;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.hero__metrics div {
    display: flex;
    min-height: 6.25rem;
    padding: 1.25rem;
    gap: 0.8rem;
    align-items: center;
    border-right: 1px solid var(--line);
}

.hero__metrics div:last-child {
    border-right: 0;
}

.hero__metrics strong {
    color: var(--signal);
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1;
}

.hero__metrics span {
    max-width: 8rem;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    line-height: 1.45;
    text-transform: uppercase;
}

/* Page heroes
   ========================================================================== */

.page-hero {
    position: relative;
    min-height: 82svh;
    padding-top: var(--header-h);
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    isolation: isolate;
}

.page-hero::before,
.page-hero::after {
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    content: "";
    filter: blur(0.15rem);
}

.page-hero::before {
    top: 14%;
    right: -9%;
    width: min(42rem, 58vw);
    aspect-ratio: 1;
    border: 1px solid rgba(var(--signal-rgb), 0.26);
    box-shadow:
        inset 0 0 8rem rgba(var(--signal-rgb), 0.08),
        0 0 8rem rgba(var(--signal-rgb), 0.05);
    animation: slow-spin 32s linear infinite;
}

.page-hero::after {
    right: 18%;
    bottom: -13rem;
    width: 24rem;
    height: 24rem;
    background: rgba(var(--violet-rgb), 0.1);
    filter: blur(5rem);
}

.page-hero__inner {
    display: grid;
    min-height: calc(82svh - var(--header-h));
    padding-block: clamp(5.2rem, 10vw, 8rem);
    grid-template-columns: minmax(0, 1.45fr) minmax(18rem, 0.55fr);
    gap: 4rem;
    align-items: end;
}

.page-hero__aside {
    max-width: 30rem;
    padding: 1.5rem 0 0 1.5rem;
    border-top: 1px solid var(--signal);
    border-left: 1px solid var(--signal);
    color: var(--muted);
    font-size: clamp(1.05rem, 1.65vw, 1.35rem);
}

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

.page-hero--patterns::before {
    border-style: dashed;
    border-color: rgba(var(--dawn-rgb), 0.35);
}

.page-hero--method::before {
    border-radius: 0;
    transform: rotate(18deg);
}

.page-hero--sources::before {
    box-shadow:
        inset 0 0 0 2rem rgba(var(--signal-rgb), 0.02),
        inset 0 0 0 5rem rgba(var(--signal-rgb), 0.02),
        inset 0 0 0 8rem rgba(var(--signal-rgb), 0.02);
}

.page-hero--about::before {
    border-width: 2px;
    transform: scale(0.82);
}

.page-hero--privacy::before {
    border-radius: 35% 65% 52% 48%;
}

/* Sequence engine
   ========================================================================== */

.section--sequence {
    overflow: hidden;
}

.sequence-engine {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background:
        linear-gradient(150deg, rgba(var(--signal-rgb), 0.05), transparent 45%),
        var(--surface);
    box-shadow: var(--shadow);
}

.sequence-engine__rail {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-bottom: 1px solid var(--line);
}

.sequence-engine__rail button {
    position: relative;
    min-height: 7rem;
    padding: 1.15rem;
    border-right: 1px solid var(--line);
    color: var(--muted);
    background: transparent;
    text-align: left;
    transition: color 0.3s ease, background 0.3s ease;
}

.sequence-engine__rail button:last-child {
    border-right: 0;
}

.sequence-engine__rail button::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 0.22rem;
    content: "";
    background: var(--signal);
    transform: scaleX(0);
    transition: transform 0.35s var(--ease);
}

.sequence-engine__rail button:hover,
.sequence-engine__rail button[aria-selected="true"] {
    color: var(--text);
    background: rgba(var(--signal-rgb), 0.06);
}

.sequence-engine__rail button[aria-selected="true"]::after {
    transform: scaleX(1);
}

.sequence-engine__rail span {
    display: block;
    margin-bottom: 1.1rem;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.sequence-engine__rail strong {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2vw, 2rem);
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.sequence-engine__panel {
    display: grid;
    min-height: 25rem;
    padding: clamp(2rem, 5vw, 4.5rem);
    grid-template-columns: minmax(9rem, 0.3fr) minmax(0, 0.7fr);
    gap: 3rem;
    align-items: center;
}

.sequence-engine__number {
    margin: 0;
    color: transparent;
    font-family: var(--font-display);
    font-size: clamp(8rem, 20vw, 18rem);
    letter-spacing: -0.08em;
    line-height: 0.7;
    -webkit-text-stroke: 1px var(--line-strong);
}

.sequence-engine__panel h3 {
    margin-bottom: 1.25rem;
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 7rem);
    letter-spacing: -0.045em;
    text-transform: uppercase;
}

.sequence-engine__panel > div > p {
    max-width: 50rem;
    color: var(--muted);
    font-size: clamp(1.05rem, 1.6vw, 1.35rem);
}

.sequence-engine__panel blockquote {
    max-width: 46rem;
    margin: 2rem 0 0;
    padding-left: 1.5rem;
    border-left: 0.2rem solid var(--signal);
    color: var(--text);
    font-size: clamp(1.15rem, 2vw, 1.6rem);
    font-weight: 750;
    line-height: 1.45;
}

/* Theme cards
   ========================================================================== */

.theme-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.theme-preview-card {
    position: relative;
    min-height: 28rem;
    padding: clamp(1.5rem, 3vw, 2.4rem);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
    background:
        linear-gradient(145deg, rgba(var(--signal-rgb), 0.04), transparent 42%),
        transparent;
    transform-style: preserve-3d;
    transition:
        background 0.35s ease,
        box-shadow 0.35s ease,
        border-color 0.35s ease;
}

.theme-preview-card::after {
    position: absolute;
    right: -3rem;
    bottom: -3rem;
    width: 10rem;
    height: 10rem;
    border: 1px solid var(--line);
    border-radius: 50%;
    content: "";
    transition: transform 0.55s var(--ease), border-color 0.35s ease;
}

.theme-preview-card:hover {
    z-index: 2;
    border-color: rgba(var(--signal-rgb), 0.55);
    background:
        radial-gradient(circle at 80% 80%, rgba(var(--signal-rgb), 0.12), transparent 13rem),
        var(--surface);
    box-shadow: var(--shadow);
}

.theme-preview-card:hover::after {
    border-color: var(--signal);
    transform: scale(1.25) rotate(70deg);
}

.theme-preview-card__top,
.theme-atlas-card__top,
.source-card__top {
    display: flex;
    margin-bottom: 3.3rem;
    align-items: center;
    justify-content: space-between;
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.theme-preview-card__top span:first-child,
.theme-atlas-card__top span:first-child,
.source-card__top span:first-child {
    color: var(--signal);
    font-size: 0.78rem;
    font-weight: 900;
}

.theme-preview-card h3 {
    max-width: 10ch;
    margin-bottom: 1.3rem;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 4rem);
    letter-spacing: -0.045em;
    text-transform: uppercase;
}

.theme-preview-card > p {
    max-width: 33rem;
    color: var(--muted);
}

.theme-preview-card__signal {
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    left: 2rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.85rem;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 0.63rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.theme-preview-card__signal span {
    color: var(--faint);
}

.theme-preview-card__signal > div {
    height: 0.18rem;
    overflow: hidden;
    background: var(--line);
}

.theme-preview-card__signal i {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--signal), var(--dawn));
    transition: width 1.2s var(--ease);
}

.theme-preview-card__signal strong {
    color: var(--signal);
}

/* Model switcher
   ========================================================================== */

.section--models {
    background:
        linear-gradient(180deg, transparent, rgba(var(--violet-rgb), 0.04), transparent);
}

.model-switcher {
    display: grid;
    grid-template-columns: minmax(15rem, 0.32fr) minmax(0, 0.68fr);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.model-switcher__tabs {
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--line);
}

.model-switcher__tabs button {
    display: flex;
    min-height: 5.4rem;
    padding: 1rem 1.25rem;
    gap: 1rem;
    align-items: center;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    background: transparent;
    text-align: left;
    font-size: 0.84rem;
    font-weight: 800;
    transition: color 0.3s ease, background 0.3s ease;
}

.model-switcher__tabs button:last-child {
    border-bottom: 0;
}

.model-switcher__tabs button:hover,
.model-switcher__tabs button[aria-selected="true"] {
    color: var(--text);
    background: rgba(var(--signal-rgb), 0.07);
}

.model-switcher__tabs button span {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--signal);
    font-size: 1.1rem;
}

.model-switcher__display {
    display: grid;
    min-height: 37rem;
    padding: clamp(2rem, 5vw, 4.5rem);
    grid-template-columns: minmax(9rem, 0.27fr) minmax(0, 0.73fr);
    gap: clamp(2rem, 5vw, 5rem);
    align-items: center;
}

.model-switcher__mark {
    display: grid;
    width: clamp(8rem, 16vw, 14rem);
    aspect-ratio: 1;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--signal);
    font-size: clamp(4.5rem, 8vw, 7rem);
    box-shadow:
        inset 0 0 5rem rgba(var(--signal-rgb), 0.08),
        0 0 5rem rgba(var(--signal-rgb), 0.08);
    animation: breathe 6s ease-in-out infinite;
}

.model-switcher__display h3 {
    margin-bottom: 2rem;
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 6vw, 6rem);
    letter-spacing: -0.05em;
    text-transform: uppercase;
}

.model-switcher__display dl {
    margin: 0;
    border-top: 1px solid var(--line);
}

.model-switcher__display dl div {
    display: grid;
    padding: 1rem 0;
    grid-template-columns: 8rem 1fr;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
}

.model-switcher__display dt {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.67rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.model-switcher__display dd {
    color: var(--muted);
}

.model-shadow {
    margin: 1.5rem 0 0;
    padding: 1rem 1.2rem;
    border-left: 0.2rem solid var(--dawn);
    color: var(--muted);
    background: rgba(var(--dawn-rgb), 0.06);
}

.model-shadow strong {
    color: var(--text);
}

/* Manifesto
   ========================================================================== */

.manifesto-band {
    position: relative;
    padding-block: clamp(6rem, 13vw, 12rem);
    overflow: hidden;
    color: var(--white);
    background:
        linear-gradient(115deg, rgba(0, 0, 0, 0.3), transparent 50%),
        var(--signal);
}

.manifesto-band::before {
    position: absolute;
    inset: -50%;
    content: "";
    opacity: 0.2;
    background-image:
        linear-gradient(45deg, transparent 48%, var(--white) 49%, var(--white) 51%, transparent 52%);
    background-size: 8rem 8rem;
    animation: background-drift 24s linear infinite;
}

.manifesto-band__inner {
    position: relative;
    z-index: 1;
}

.manifesto-band .eyebrow {
    color: var(--white);
}

.manifesto-band h2 {
    max-width: 14ch;
    font-size: clamp(3.8rem, 9vw, 9rem);
}

.manifesto-band p:not(.eyebrow) {
    max-width: 61rem;
    font-size: clamp(1.15rem, 2vw, 1.6rem);
}

.manifesto-band__declaration {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    font-family: var(--font-mono);
    font-size: clamp(1rem, 2vw, 1.45rem) !important;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.manifesto-band--compact {
    padding-block: clamp(5rem, 10vw, 8rem);
}

.manifesto-band--compact h2 {
    max-width: 17ch;
    font-size: clamp(3rem, 7vw, 7rem);
}

/* Method preview and footer sections
   ========================================================================== */

.method-preview {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: start;
}

.method-preview__copy {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
}

.method-preview__copy p:not(.eyebrow) {
    max-width: 38rem;
    margin-bottom: 2rem;
    color: var(--muted);
    font-size: 1.1rem;
}

.method-preview__stack {
    border-top: 1px solid var(--line);
}

.rule-card {
    display: grid;
    min-height: 10rem;
    padding: 1.6rem 0;
    grid-template-columns: 4rem 1fr;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
}

.rule-card > span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 900;
}

.rule-card h3 {
    margin-bottom: 0.7rem;
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3vw, 3rem);
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.rule-card p {
    max-width: 43rem;
    margin-bottom: 0;
    color: var(--muted);
}

.section--archive-strip {
    padding-block: clamp(4rem, 8vw, 7rem);
    background: var(--surface);
}

.archive-strip {
    display: grid;
    padding: clamp(2rem, 5vw, 4rem);
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 3rem;
    align-items: center;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 15% 20%, rgba(var(--violet-rgb), 0.12), transparent 22rem),
        var(--bg-soft);
}

.archive-strip h2 {
    max-width: 12ch;
    font-size: clamp(2.7rem, 6vw, 5.6rem);
}

.archive-strip p:last-child {
    max-width: 43rem;
    margin-bottom: 0;
    color: var(--muted);
}

/* Theme orbit and atlas
   ========================================================================== */

.section--orbit {
    overflow: hidden;
}

.theme-orbit {
    position: relative;
    width: min(69rem, 89vw);
    aspect-ratio: 1;
    margin: 2rem auto;
}

.theme-orbit__rings,
.theme-orbit__rings::before,
.theme-orbit__rings::after {
    position: absolute;
    inset: 50% auto auto 50%;
    border: 1px solid var(--line);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.theme-orbit__rings {
    width: 67%;
    aspect-ratio: 1;
}

.theme-orbit__rings::before,
.theme-orbit__rings::after {
    content: "";
}

.theme-orbit__rings::before {
    width: 67%;
    aspect-ratio: 1;
}

.theme-orbit__rings::after {
    width: 135%;
    aspect-ratio: 1;
    border-style: dashed;
    border-color: rgba(var(--signal-rgb), 0.25);
    animation: slow-spin 32s linear infinite;
}

.theme-orbit__rings i {
    position: absolute;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--signal);
    box-shadow: 0 0 1.2rem rgba(var(--signal-rgb), 0.9);
}

.theme-orbit__rings i:first-child {
    top: 7%;
    left: 23%;
}

.theme-orbit__rings i:nth-child(2) {
    right: -18%;
    bottom: 20%;
    background: var(--dawn);
}

.theme-orbit__rings i:nth-child(3) {
    bottom: -17%;
    left: 22%;
    background: var(--violet);
}

.theme-orbit__core {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    width: 29%;
    aspect-ratio: 1;
    padding: 1rem;
    place-content: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    text-align: center;
    background:
        radial-gradient(circle, rgba(var(--signal-rgb), 0.16), transparent 65%),
        var(--surface);
    box-shadow:
        inset 0 0 5rem rgba(var(--signal-rgb), 0.08),
        0 0 6rem rgba(var(--signal-rgb), 0.1);
    transform: translate(-50%, -50%);
    transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.theme-orbit__core span {
    margin-bottom: 0.7rem;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: clamp(0.52rem, 0.9vw, 0.72rem);
    font-weight: 900;
    letter-spacing: 0.13em;
}

.theme-orbit__core strong {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 3.1rem);
    letter-spacing: -0.04em;
    line-height: 0.9;
}

.theme-orbit__core.is-active {
    border-color: var(--signal);
    box-shadow:
        inset 0 0 5rem rgba(var(--signal-rgb), 0.13),
        0 0 7rem rgba(var(--signal-rgb), 0.17);
}

.theme-orbit__node {
    position: absolute;
    left: var(--x);
    top: var(--y);
    display: grid;
    width: clamp(6.8rem, 11.5vw, 11rem);
    min-height: clamp(5rem, 8vw, 7.8rem);
    padding: 0.85rem;
    place-content: center;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    color: var(--text);
    background: rgba(12, 12, 18, 0.82);
    box-shadow: 0 0 0 rgba(0, 0, 0, 0);
    text-align: center;
    transform: translate(-50%, -50%) scale(1);
    transition:
        transform 0.35s var(--ease),
        border-color 0.35s ease,
        background 0.35s ease,
        box-shadow 0.35s ease;
    backdrop-filter: blur(0.8rem);
}

html[data-theme="dawn"] .theme-orbit__node {
    background: rgba(247, 242, 232, 0.85);
}

.theme-orbit__node:hover,
.theme-orbit__node.is-active {
    z-index: 3;
    border-color: var(--signal);
    background: var(--surface);
    box-shadow: 0 1.3rem 4rem rgba(0, 0, 0, 0.25);
    transform: translate(-50%, -50%) scale(1.07);
}

.theme-orbit__node span {
    margin-bottom: 0.35rem;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 900;
}

.theme-orbit__node strong {
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 1.5vw, 1.4rem);
    letter-spacing: -0.025em;
    line-height: 0.95;
    text-transform: uppercase;
}

.theme-orbit__node--1 { --x: 50%; --y: 2%; }
.theme-orbit__node--2 { --x: 76%; --y: 9%; }
.theme-orbit__node--3 { --x: 93%; --y: 28%; }
.theme-orbit__node--4 { --x: 97%; --y: 54%; }
.theme-orbit__node--5 { --x: 84%; --y: 82%; }
.theme-orbit__node--6 { --x: 60%; --y: 97%; }
.theme-orbit__node--7 { --x: 33%; --y: 94%; }
.theme-orbit__node--8 { --x: 10%; --y: 78%; }
.theme-orbit__node--9 { --x: 3%; --y: 50%; }
.theme-orbit__node--10 { --x: 12%; --y: 20%; }
.theme-orbit__node--11 { --x: 29%; --y: 5%; }

.filter-count {
    margin: 0;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.73rem;
    text-transform: uppercase;
}

.filter-count span {
    color: var(--signal);
    font-size: 1.4rem;
    font-weight: 900;
}

.filter-bar {
    display: flex;
    margin-bottom: 2rem;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.filter-bar button {
    min-height: 2.8rem;
    padding: 0.65rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    color: var(--muted);
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.filter-bar button:hover,
.filter-bar button.is-active {
    color: var(--white);
    border-color: var(--signal);
    background: var(--signal);
}

.theme-atlas-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.theme-atlas-card {
    position: relative;
    display: flex;
    min-height: 32rem;
    padding: clamp(1.6rem, 4vw, 3rem);
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    overflow: hidden;
    background:
        linear-gradient(145deg, rgba(var(--signal-rgb), 0.035), transparent 50%),
        var(--surface);
    transition:
        border-color 0.35s ease,
        transform 0.35s var(--ease),
        box-shadow 0.35s ease;
}

.theme-atlas-card::after {
    position: absolute;
    right: -6rem;
    bottom: -6rem;
    width: 13rem;
    height: 13rem;
    border: 1px solid var(--line);
    border-radius: 50%;
    content: "";
}

.theme-atlas-card:hover {
    border-color: rgba(var(--signal-rgb), 0.55);
    box-shadow: var(--shadow);
    transform: translateY(-0.35rem);
}

.theme-atlas-card h3 {
    max-width: 12ch;
    margin-bottom: 1.35rem;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 5rem);
    letter-spacing: -0.05em;
    text-transform: uppercase;
}

.theme-atlas-card > p:not(.eyebrow) {
    max-width: 39rem;
    color: var(--muted);
}

.signal-tags {
    display: flex;
    padding: 0;
    margin: 1.4rem 0 2.2rem;
    gap: 0.5rem;
    flex-wrap: wrap;
    list-style: none;
}

.signal-tags li {
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.61rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.theme-atlas-card .card-link {
    width: max-content;
    margin-top: auto;
    padding: 0;
    color: var(--text);
    background: transparent;
    font-size: 0.85rem;
}

.boundary-grid,
.name-grid,
.archive-note {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: start;
}

.boundary-copy,
.name-copy,
.archive-note > div:last-child {
    color: var(--muted);
    font-size: clamp(1.1rem, 1.9vw, 1.45rem);
}

.boundary-copy strong,
.name-copy strong {
    color: var(--text);
}

.theme-dialog {
    width: min(52rem, calc(100vw - 2rem));
    max-height: min(48rem, calc(100svh - 2rem));
    padding: clamp(2rem, 6vw, 5rem);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-lg);
    color: var(--text);
    background:
        radial-gradient(circle at 90% 10%, rgba(var(--signal-rgb), 0.12), transparent 18rem),
        var(--surface);
    box-shadow: 0 3rem 10rem rgba(0, 0, 0, 0.72);
}

.theme-dialog::backdrop,
.command-palette::backdrop {
    background: rgba(0, 0, 0, 0.76);
    backdrop-filter: blur(0.55rem);
}

.theme-dialog__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--text);
    background: transparent;
    font-size: 1.5rem;
}

.theme-dialog__number {
    margin-bottom: 1.5rem;
    color: transparent;
    font-family: var(--font-display);
    font-size: clamp(6rem, 16vw, 11rem);
    line-height: 0.7;
    -webkit-text-stroke: 1px var(--line-strong);
}

.theme-dialog h2 {
    font-size: clamp(3rem, 8vw, 7rem);
}

.theme-dialog__summary {
    color: var(--muted);
    font-size: clamp(1.05rem, 1.8vw, 1.35rem);
}

.theme-dialog blockquote {
    margin: 2rem 0;
    padding: 1.35rem 0 1.35rem 1.5rem;
    border-left: 0.2rem solid var(--signal);
    font-size: clamp(1.25rem, 2.6vw, 2rem);
    font-weight: 800;
    line-height: 1.35;
}

.theme-dialog__warning {
    padding: 1.25rem;
    border: 1px solid rgba(var(--dawn-rgb), 0.4);
    background: rgba(var(--dawn-rgb), 0.06);
}

.theme-dialog__warning span {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--dawn);
    font-family: var(--font-mono);
    font-size: 0.67rem;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.theme-dialog__warning p {
    margin-bottom: 0;
    color: var(--muted);
}

/* Compare engine
   ========================================================================== */

.compare-engine {
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.compare-engine__selectors {
    display: grid;
    padding: clamp(1.5rem, 4vw, 3rem);
    grid-template-columns: 1fr auto 1fr;
    gap: 1.25rem;
    align-items: end;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(135deg, rgba(var(--signal-rgb), 0.07), transparent 35%),
        linear-gradient(315deg, rgba(var(--violet-rgb), 0.07), transparent 35%);
}

.compare-engine__selectors label {
    display: grid;
    gap: 0.7rem;
}

.compare-engine__selectors label > span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.67rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.compare-engine select {
    width: 100%;
    min-height: 4.2rem;
    padding: 0.8rem 3rem 0.8rem 1rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-sm);
    color: var(--text);
    background: var(--bg-soft);
    font-size: clamp(1rem, 1.7vw, 1.25rem);
    font-weight: 800;
}

.compare-engine__versus {
    display: grid;
    width: 3.5rem;
    height: 3.5rem;
    place-items: center;
    border: 1px solid var(--signal);
    border-radius: 50%;
    color: var(--signal);
    font-family: var(--font-display);
    font-size: 1.3rem;
}

.compare-engine__table {
    display: grid;
}

.compare-row {
    display: grid;
    grid-template-columns: minmax(8rem, 0.2fr) repeat(2, minmax(0, 0.4fr));
    border-bottom: 1px solid var(--line);
}

.compare-row:last-child {
    border-bottom: 0;
}

.compare-row > * {
    min-height: 8rem;
    padding: 1.3rem;
    border-right: 1px solid var(--line);
}

.compare-row > *:last-child {
    border-right: 0;
}

.compare-row > span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.compare-row p {
    margin-bottom: 0;
    color: var(--muted);
}

.compare-row--head > * {
    min-height: 5rem;
    display: flex;
    align-items: center;
}

.compare-row--head strong {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.6rem);
    letter-spacing: -0.035em;
    line-height: 1;
    text-transform: uppercase;
}

.compare-row--shadow {
    background: rgba(var(--dawn-rgb), 0.045);
}

.diagnostic-grid {
    display: grid;
    grid-template-columns: minmax(17rem, 0.42fr) minmax(0, 0.58fr);
    gap: clamp(3rem, 7vw, 7rem);
    align-items: start;
}

.diagnostic-copy {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
}

.diagnostic-copy > p:last-child {
    color: var(--muted);
}

.diagnostic {
    display: grid;
    gap: 1.5rem;
}

.diagnostic fieldset {
    padding: clamp(1.25rem, 3vw, 2rem);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.diagnostic legend {
    padding-inline: 0.6rem;
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.6vw, 2.25rem);
    letter-spacing: -0.03em;
    text-transform: uppercase;
}

.diagnostic label {
    display: flex;
    padding: 0.85rem 0;
    gap: 0.85rem;
    align-items: flex-start;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    cursor: pointer;
}

.diagnostic label:last-child {
    border-bottom: 0;
}

.diagnostic input {
    flex: 0 0 auto;
    width: 1.1rem;
    height: 1.1rem;
    margin-top: 0.25rem;
    accent-color: var(--signal);
}

.diagnostic input:checked + span {
    color: var(--text);
    font-weight: 750;
}

.diagnostic-result {
    grid-column: 2;
    padding: clamp(2rem, 5vw, 4rem);
    border: 1px solid var(--signal);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 85% 15%, rgba(var(--signal-rgb), 0.14), transparent 18rem),
        var(--surface);
    box-shadow: var(--shadow);
}

.diagnostic-result__mark {
    margin-bottom: 1rem;
    color: var(--signal);
    font-size: 5rem;
    line-height: 1;
}

.diagnostic-result h3 {
    margin-bottom: 1.1rem;
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 6vw, 5.5rem);
    letter-spacing: -0.045em;
    text-transform: uppercase;
}

.diagnostic-result > p:not(.eyebrow) {
    color: var(--muted);
}

.diagnostic-result__warning {
    margin-top: 1.5rem;
    padding: 1rem;
    border-left: 0.2rem solid var(--dawn);
    background: rgba(var(--dawn-rgb), 0.05);
}

.grade-grid,
.principle-grid,
.commitment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.grade-card,
.principle-grid article,
.commitment-grid article {
    min-height: 20rem;
    padding: clamp(1.5rem, 4vw, 3rem);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: linear-gradient(145deg, rgba(var(--signal-rgb), 0.03), transparent 50%);
}

.grade-card > span,
.principle-grid article > span,
.commitment-grid article > span {
    display: block;
    margin-bottom: 3rem;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 900;
}

.grade-card h3,
.principle-grid h3,
.commitment-grid h3 {
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.8rem);
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.grade-card p,
.principle-grid p,
.commitment-grid p {
    color: var(--muted);
}

.grade-card--danger {
    background:
        repeating-linear-gradient(-45deg, transparent, transparent 1rem, rgba(var(--signal-rgb), 0.035) 1rem, rgba(var(--signal-rgb), 0.035) 2rem),
        linear-gradient(145deg, rgba(var(--signal-rgb), 0.09), transparent 50%);
}

/* Method page
   ========================================================================== */

.rules-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.research-rule {
    min-height: 24rem;
    padding: clamp(1.35rem, 3vw, 2.25rem);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: transparent;
    transition: background 0.3s ease, transform 0.3s var(--ease);
}

.research-rule:hover {
    z-index: 2;
    background: var(--surface);
    transform: translateY(-0.25rem);
}

.research-rule > span {
    display: block;
    margin-bottom: 4rem;
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 900;
}

.research-rule h3 {
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.2vw, 3rem);
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.research-rule p {
    color: var(--muted);
}

.section--source-layers {
    background: var(--surface);
}

.source-layers {
    display: grid;
    grid-template-columns: minmax(18rem, 0.4fr) minmax(0, 0.6fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: start;
}

.source-layers__copy {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
}

.source-layers__copy p:last-child {
    color: var(--muted);
}

.source-layers__stack {
    padding: 0;
    margin: 0;
    list-style: none;
    counter-reset: source-layers;
}

.source-layers__stack li {
    position: sticky;
    top: calc(var(--header-h) + 1rem + var(--stack, 0rem));
    min-height: 13rem;
    padding: 2rem;
    margin-bottom: 1rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    background:
        linear-gradient(145deg, rgba(var(--signal-rgb), 0.05), transparent 45%),
        var(--bg-soft);
    box-shadow: 0 1.5rem 3rem rgba(0, 0, 0, 0.18);
}

.source-layers__stack li:nth-child(2) { --stack: 1rem; }
.source-layers__stack li:nth-child(3) { --stack: 2rem; }
.source-layers__stack li:nth-child(4) { --stack: 3rem; }
.source-layers__stack li:nth-child(5) { --stack: 4rem; }

.source-layers__stack span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 900;
}

.source-layers__stack strong {
    display: block;
    margin: 1rem 0 0.7rem;
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 3vw, 2.8rem);
    letter-spacing: -0.035em;
    line-height: 1;
    text-transform: uppercase;
}

.source-layers__stack p {
    margin-bottom: 0;
    color: var(--muted);
}

.accordion {
    border-top: 1px solid var(--line);
}

.accordion__item {
    border-bottom: 1px solid var(--line);
}

.accordion__item h3 {
    margin: 0;
}

.accordion__item button {
    display: grid;
    width: 100%;
    min-height: 6.5rem;
    padding: 1.2rem 0;
    grid-template-columns: 4rem 1fr auto;
    gap: 1rem;
    align-items: center;
    color: var(--text);
    background: transparent;
    text-align: left;
    font-family: var(--font-display);
    font-size: clamp(1.7rem, 4vw, 4rem);
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.accordion__item button span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0;
}

.accordion__item button i {
    display: grid;
    width: 2.8rem;
    height: 2.8rem;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    font-family: var(--font-body);
    font-style: normal;
    font-weight: 400;
    transition: transform 0.35s var(--ease), border-color 0.35s ease;
}

.accordion__item button[aria-expanded="true"] i {
    border-color: var(--signal);
    transform: rotate(45deg);
}

.accordion__panel {
    max-width: 62rem;
    padding: 0 5rem 2.2rem;
}

.accordion__panel p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.1rem;
}

.source-check {
    display: grid;
    grid-template-columns: minmax(18rem, 0.42fr) minmax(0, 0.58fr);
    gap: clamp(3rem, 8vw, 8rem);
}

.source-check__title {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
}

.source-check__questions {
    border-top: 1px solid var(--line);
}

.source-check__questions article {
    display: grid;
    min-height: 8rem;
    padding: 1.4rem 0;
    grid-template-columns: 4rem 1fr;
    gap: 1rem;
    align-items: start;
    border-bottom: 1px solid var(--line);
}

.source-check__questions span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.73rem;
    font-weight: 900;
}

.source-check__questions p {
    margin-bottom: 0;
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 700;
}

/* Sources
   ========================================================================== */

.source-search {
    position: relative;
    width: min(100%, 25rem);
}

.source-search input {
    width: 100%;
    min-height: 3.4rem;
    padding: 0.75rem 3rem 0.75rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-pill);
    color: var(--text);
    background: var(--surface);
}

.source-search i {
    position: absolute;
    top: 50%;
    right: 1rem;
    color: var(--signal);
    font-style: normal;
    transform: translateY(-50%);
}

.source-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.source-card {
    display: flex;
    min-height: 27rem;
    padding: clamp(1.4rem, 3vw, 2.3rem);
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background:
        linear-gradient(145deg, rgba(var(--signal-rgb), 0.04), transparent 45%),
        var(--surface);
    transition:
        transform 0.35s var(--ease),
        border-color 0.35s ease,
        box-shadow 0.35s ease;
}

.source-card:hover {
    border-color: rgba(var(--signal-rgb), 0.55);
    box-shadow: var(--shadow);
    transform: translateY(-0.35rem);
}

.source-card h3 {
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 3.1rem);
    letter-spacing: -0.04em;
    text-transform: uppercase;
}

.source-card > p {
    color: var(--muted);
}

.source-card__actions {
    display: flex;
    margin-top: auto;
    gap: 1rem;
    flex-wrap: wrap;
}

.source-card__actions a {
    display: inline-flex;
    gap: 0.45rem;
    color: var(--text);
    font-size: 0.78rem;
    font-weight: 850;
    text-decoration: underline;
    text-decoration-color: var(--signal);
    text-underline-offset: 0.25rem;
}

.source-card__actions span {
    color: var(--signal);
}

.source-empty {
    padding: 4rem;
    border: 1px dashed var(--line-strong);
    color: var(--muted);
    text-align: center;
}

.section--archive-note {
    background: var(--surface);
}

.archive-note h2 {
    max-width: 10ch;
}

.archive-note p {
    color: var(--muted);
    font-size: 1.1rem;
}

/* About and privacy
   ========================================================================== */

.section--name {
    background:
        radial-gradient(circle at 80% 10%, rgba(var(--signal-rgb), 0.09), transparent 27rem);
}

.name-copy p {
    margin-bottom: 1.4rem;
}

.final-question {
    max-width: 65rem;
    text-align: center;
}

.final-question .eyebrow {
    text-align: center;
}

.final-question h2 {
    font-size: clamp(3.2rem, 8vw, 8rem);
}

.final-question > p:not(.eyebrow) {
    margin-bottom: 2rem;
    color: var(--muted);
    font-size: clamp(1.2rem, 2.4vw, 1.8rem);
}

.prose-layout {
    display: grid;
    grid-template-columns: minmax(12rem, 0.25fr) minmax(0, 0.75fr);
    gap: clamp(3rem, 8vw, 8rem);
}

.prose-layout__rail {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.prose {
    max-width: 54rem;
}

.prose h2 {
    margin-top: 4rem;
    margin-bottom: 1.2rem;
    font-size: clamp(2.2rem, 5vw, 4.5rem);
}

.prose h2:first-child {
    margin-top: 0;
}

.prose p {
    color: var(--muted);
    font-size: 1.08rem;
}

/* Footer and command palette
   ========================================================================== */

.site-footer {
    position: relative;
    padding: clamp(5rem, 10vw, 8rem) 0 2rem;
    border-top: 1px solid var(--line);
    background: var(--bg-soft);
}

.site-footer__signal {
    display: grid;
    padding-bottom: clamp(4rem, 8vw, 7rem);
    grid-template-columns: 14rem 1fr;
    gap: 2rem;
    align-items: start;
    border-bottom: 1px solid var(--line);
}

.footer-declaration {
    max-width: 67rem;
    margin-bottom: 0;
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 6.3rem);
    letter-spacing: -0.045em;
    line-height: 0.95;
    text-transform: uppercase;
}

.footer-declaration strong {
    color: var(--signal);
}

.site-footer__grid {
    display: grid;
    padding-block: 4rem;
    grid-template-columns: 1.8fr repeat(3, 1fr);
    gap: 3rem;
}

.site-footer__grid > div:first-child p {
    max-width: 28rem;
    color: var(--muted);
}

.site-footer__grid > div:not(:first-child) {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.site-footer__grid a:not(.brand) {
    margin-bottom: 0.55rem;
    color: var(--muted);
    font-size: 0.85rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

.site-footer__grid a:not(.brand):hover {
    color: var(--signal);
    transform: translateX(0.2rem);
}

.site-footer__grid > div:last-child p:last-child {
    max-width: 18rem;
    color: var(--muted);
    font-size: 0.85rem;
}

.brand--footer {
    margin-bottom: 1.4rem;
}

.brand--footer .brand__word strong {
    font-size: 2rem;
}

.footer-title {
    margin-bottom: 1rem !important;
    color: var(--text) !important;
    font-family: var(--font-mono);
    font-size: 0.67rem !important;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-footer__base {
    display: flex;
    padding-top: 1.6rem;
    gap: 2rem;
    justify-content: space-between;
    border-top: 1px solid var(--line);
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.site-footer__base p {
    margin-bottom: 0;
}

.command-palette {
    width: min(43rem, calc(100vw - 1.5rem));
    max-height: min(38rem, calc(100svh - 2rem));
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-md);
    color: var(--text);
    background: var(--surface);
    box-shadow: 0 3rem 9rem rgba(0, 0, 0, 0.65);
}

.command-palette__top {
    display: grid;
    min-height: 4.2rem;
    padding: 0.75rem 1rem;
    grid-template-columns: auto 1fr auto;
    gap: 0.75rem;
    align-items: center;
    border-bottom: 1px solid var(--line);
}

.command-palette__top > span {
    color: var(--signal);
    font-size: 1.3rem;
}

.command-palette__top input {
    width: 100%;
    border: 0;
    outline: 0;
    color: var(--text);
    background: transparent;
    font-size: 1rem;
}

.command-palette__top button {
    padding: 0.35rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-xs);
    color: var(--muted);
    background: transparent;
    font-family: var(--font-mono);
    font-size: 0.64rem;
}

.command-palette__results {
    max-height: 31rem;
    padding: 0.55rem;
    overflow-y: auto;
}

.command-result {
    display: grid;
    padding: 0.85rem 1rem;
    grid-template-columns: 1fr auto;
    gap: 1rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
}

.command-result:hover,
.command-result:focus {
    background: rgba(var(--signal-rgb), 0.08);
}

.command-result strong {
    display: block;
    margin-bottom: 0.2rem;
}

.command-result span {
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.62rem;
    text-transform: uppercase;
}

.command-result em {
    align-self: center;
    color: var(--signal);
    font-style: normal;
}

.command-empty {
    padding: 2rem;
    margin: 0;
    color: var(--faint);
    text-align: center;
}

/* Error
   ========================================================================== */

.error-signal {
    display: grid;
    min-height: 100svh;
    padding-top: var(--header-h);
    place-items: center;
    background:
        radial-gradient(circle at center, rgba(var(--signal-rgb), 0.13), transparent 30rem);
}

.error-signal__inner {
    padding-block: 5rem;
    text-align: center;
}

.error-signal p:not(.eyebrow) {
    margin: 2rem 0;
    color: var(--muted);
    font-size: 1.2rem;
}

/* Reveal and micro-interactions
   ========================================================================== */

.reveal {
    opacity: 0;
    transform: translateY(2rem);
    transition:
        opacity 0.8s var(--ease),
        transform 0.8s var(--ease);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(2) {
    transition-delay: 0.06s;
}

.reveal:nth-child(3) {
    transition-delay: 0.11s;
}

.reveal:nth-child(4) {
    transition-delay: 0.16s;
}

.reveal:nth-child(5) {
    transition-delay: 0.21s;
}

.reveal:nth-child(6) {
    transition-delay: 0.26s;
}

.is-filtered-out {
    display: none !important;
}

/* Animations
   ========================================================================== */

@keyframes slow-spin {
    to { transform: rotate(360deg); }
}

@keyframes breathe {
    0%, 100% {
        box-shadow:
            inset 0 0 5rem rgba(var(--signal-rgb), 0.08),
            0 0 3rem rgba(var(--signal-rgb), 0.06);
        transform: scale(1);
    }
    50% {
        box-shadow:
            inset 0 0 6rem rgba(var(--signal-rgb), 0.14),
            0 0 5rem rgba(var(--signal-rgb), 0.13);
        transform: scale(1.025);
    }
}

@keyframes background-drift {
    to { transform: translate3d(8rem, 8rem, 0); }
}

/* Responsive
   ========================================================================== */

@media (max-width: 72rem) {
    :root {
        --shell: min(100% - 2rem, 76rem);
    }

    .primary-nav {
        gap: 0.85rem;
    }

    .primary-nav a {
        font-size: 0.7rem;
    }

    .hero__inner {
        grid-template-columns: minmax(0, 1fr) minmax(17rem, 0.45fr);
    }

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

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

    .theme-orbit__node {
        width: clamp(6rem, 12vw, 8.3rem);
    }
}

@media (max-width: 58rem) {
    :root {
        --header-h: 4.7rem;
    }

    .command-button__hint {
        display: none;
    }

    .menu-button {
        display: block;
        padding-top: 0.67rem;
    }

    .menu-button[aria-expanded="true"] span:first-child {
        transform: translateY(0.32rem) rotate(45deg);
    }

    .menu-button[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }

    .menu-button[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-0.32rem) rotate(-45deg);
    }

    .primary-nav {
        position: fixed;
        inset: var(--header-h) 0 auto;
        display: grid;
        max-height: 0;
        padding-inline: 1rem;
        gap: 0;
        overflow: hidden;
        border-bottom: 1px solid transparent;
        background: rgba(6, 6, 8, 0.97);
        opacity: 0;
        transition:
            max-height 0.45s var(--ease),
            opacity 0.3s ease,
            padding 0.45s var(--ease),
            border-color 0.3s ease;
    }

    html[data-theme="dawn"] .primary-nav {
        background: rgba(238, 232, 220, 0.98);
    }

    .primary-nav.is-open {
        max-height: 30rem;
        padding-block: 1rem;
        border-bottom-color: var(--line);
        opacity: 1;
    }

    .primary-nav a {
        padding: 1rem 0;
        border-bottom: 1px solid var(--line);
        font-size: 0.82rem;
    }

    .primary-nav a:last-child {
        border-bottom: 0;
    }

    .primary-nav a::after {
        display: none;
    }

    .hero {
        min-height: auto;
    }

    .hero__inner,
    .page-hero__inner {
        min-height: auto;
        grid-template-columns: 1fr;
        align-items: start;
    }

    .hero__inner {
        padding-block: 6rem 4rem;
    }

    .hero-terminal {
        width: min(100%, 31rem);
        margin: 0;
        justify-self: end;
    }

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

    .hero__metrics div:nth-child(2) {
        border-right: 0;
    }

    .hero__metrics div:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .page-hero {
        min-height: 70svh;
    }

    .page-hero__inner {
        min-height: calc(70svh - var(--header-h));
        gap: 2.5rem;
        align-content: center;
    }

    .page-hero__aside {
        max-width: 38rem;
    }

    .section-heading--split,
    .method-preview,
    .boundary-grid,
    .name-grid,
    .archive-note,
    .diagnostic-grid,
    .source-layers,
    .source-check,
    .prose-layout {
        grid-template-columns: 1fr;
    }

    .section-heading--split > p,
    .section-heading--split > a {
        justify-self: start;
    }

    .method-preview__copy,
    .diagnostic-copy,
    .source-layers__copy,
    .source-check__title,
    .prose-layout__rail {
        position: static;
    }

    .sequence-engine__rail {
        grid-template-columns: 1fr;
    }

    .sequence-engine__rail button {
        min-height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .sequence-engine__rail button:last-child {
        border-bottom: 0;
    }

    .sequence-engine__panel {
        grid-template-columns: 1fr;
    }

    .sequence-engine__number {
        font-size: 8rem;
    }

    .model-switcher {
        grid-template-columns: 1fr;
    }

    .model-switcher__tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .model-switcher__tabs button {
        border-right: 1px solid var(--line);
    }

    .model-switcher__display {
        grid-template-columns: 1fr;
    }

    .model-switcher__mark {
        width: 9rem;
    }

    .theme-orbit {
        display: grid;
        width: 100%;
        aspect-ratio: auto;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .theme-orbit__rings {
        display: none;
    }

    .theme-orbit__core {
        position: relative;
        top: auto;
        left: auto;
        width: auto;
        min-height: 12rem;
        aspect-ratio: auto;
        grid-column: 1 / -1;
        border-radius: var(--radius-lg);
        transform: none;
    }

    .theme-orbit__node {
        position: relative;
        top: auto;
        left: auto;
        width: 100%;
        min-height: 7rem;
        transform: none;
    }

    .theme-orbit__node:hover,
    .theme-orbit__node.is-active {
        transform: translateY(-0.2rem);
    }

    .compare-row {
        grid-template-columns: 7rem repeat(2, minmax(0, 1fr));
    }

    .diagnostic-result {
        grid-column: 1;
    }

    .source-layers__stack li {
        position: relative;
        top: auto;
    }

    .site-footer__signal,
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .site-footer__grid > div:first-child {
        grid-column: 1 / -1;
    }

    .archive-strip {
        grid-template-columns: 1fr;
    }

    .archive-strip .button {
        justify-self: start;
    }
}

@media (max-width: 42rem) {
    :root {
        --shell: calc(100% - 1.25rem);
    }

    body {
        font-size: 0.96rem;
    }

    .brand__mark {
        width: 1.95rem;
        height: 1.95rem;
    }

    .brand__word strong {
        font-size: 1.05rem;
    }

    .icon-button,
    .menu-button {
        min-width: 2.45rem;
        height: 2.45rem;
    }

    .command-button {
        display: none;
    }

    .display--hero {
        font-size: clamp(4.2rem, 22vw, 7.5rem);
    }

    .display--page {
        font-size: clamp(3.5rem, 18vw, 6.6rem);
    }

    h2 {
        font-size: clamp(2.4rem, 13vw, 4.6rem);
    }

    .hero__actions {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .hero__metrics {
        margin-bottom: 0.75rem;
    }

    .hero__metrics div {
        min-height: 5rem;
        padding: 0.8rem;
        align-items: flex-start;
        flex-direction: column;
    }

    .hero__metrics strong {
        font-size: 2.5rem;
    }

    .theme-preview-grid,
    .theme-atlas-grid,
    .source-grid,
    .grade-grid,
    .principle-grid,
    .commitment-grid,
    .rules-grid {
        grid-template-columns: 1fr;
    }

    .theme-preview-card,
    .theme-atlas-card,
    .source-card {
        min-height: 25rem;
    }

    .section-heading--split {
        gap: 1.5rem;
    }

    .model-switcher__tabs {
        grid-template-columns: 1fr;
    }

    .model-switcher__tabs button {
        border-right: 0;
    }

    .model-switcher__display {
        padding: 1.5rem;
    }

    .model-switcher__display dl div {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .manifesto-band h2 {
        font-size: clamp(3.1rem, 16vw, 5.7rem);
    }

    .theme-orbit {
        grid-template-columns: 1fr;
    }

    .theme-orbit__core {
        grid-column: 1;
    }

    .compare-engine__selectors {
        grid-template-columns: 1fr;
    }

    .compare-engine__versus {
        width: 2.8rem;
        height: 2.8rem;
        justify-self: center;
    }

    .compare-row {
        grid-template-columns: 1fr;
    }

    .compare-row > * {
        min-height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .compare-row > *:last-child {
        border-bottom: 0;
    }

    .compare-row--head > span,
    .compare-row > span {
        min-height: auto;
        padding-bottom: 0.25rem;
        background: rgba(var(--signal-rgb), 0.05);
    }

    .compare-row--head strong {
        min-height: auto;
    }

    .accordion__item button {
        grid-template-columns: 2.2rem 1fr auto;
        font-size: clamp(1.4rem, 9vw, 2.6rem);
    }

    .accordion__panel {
        padding-left: 3.2rem;
    }

    .site-footer__signal,
    .site-footer__grid {
        grid-template-columns: 1fr;
    }

    .site-footer__base {
        flex-direction: column;
    }

    .footer-declaration {
        font-size: clamp(2.4rem, 12vw, 4.2rem);
    }
}

@media (pointer: coarse), (hover: none) {
    .cursor-aura {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.001ms !important;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .signal-field {
        display: none;
    }
}

@media print {
    :root {
        --bg: #fff;
        --surface: #fff;
        --text: #000;
        --muted: #333;
        --line: #aaa;
    }

    body::before,
    .site-header,
    .site-footer,
    .cursor-aura,
    .page-progress,
    .signal-field,
    .hero-orbit,
    .hero-grid,
    .command-palette,
    .button,
    .filter-bar {
        display: none !important;
    }

    body,
    .manifesto-band {
        color: #000;
        background: #fff;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    a {
        text-decoration: underline;
    }
}