/* Public landing surface. The authenticated SPA owns its own presentation system.
   Design language: "the quiet instrument", with graduated arcs, warm paper, green-black ink,
   Sentient display type, one rose point. Ornament is limited to the drawn instrument field;
   everything else is typography, spacing, and real product evidence. */

/* Foundations */
.meridian-public-page {
    --public-ink: #1b2721;
    --public-ink-soft: #2c3b33;
    --public-muted: #5f6d65;
    --public-sage: #4b6c5c;
    --public-sage-dark: #33513f;
    --public-sage-bright: #7fa08f;
    --public-sage-soft: #e7ede4;
    --public-paper: #faf8f1;
    --public-canvas: #f1efe5;
    --public-warm: #f0e9db;
    --public-white: #fffdf7;
    --public-rose: #c0747c;
    --public-rule: #ded9c9;
    --public-rule-soft: #e7e3d5;
    --public-deep: #152019;
    --public-deep-3: #223129;
    --public-deep-text: #e9efe8;
    --public-deep-heading: #f7f8f0;
    --public-deep-muted: #a9b7ab;
    --public-deep-rule: rgba(226, 235, 227, 0.17);
    --public-frame-border: #cfd0bf;
    --public-frame-rule: #e3e0d1;
    --public-frame-bar: #f4f2e8;
    --public-frame-address: #7c887e;
    --public-warm-rule: #ddd2bc;
    --public-header-rule: rgba(222, 217, 201, 0.85);
    --public-header-surface: rgba(250, 248, 241, 0.93);
    --public-focus-ring: rgba(75, 108, 92, 0.4);
    /* Shadows are tight, single-direction, and tinted with the page's own green. */
    --public-shadow-card: 0 1px 2px rgba(21, 32, 25, 0.05), 0 14px 28px -20px rgba(21, 32, 25, 0.38);
    --public-shadow-frame: 0 2px 5px rgba(21, 32, 25, 0.07), 0 26px 44px -30px rgba(21, 32, 25, 0.5);
    --public-grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    --public-font-display: "Sentient", Georgia, "Times New Roman", serif;
    --public-font-body:
        system-ui,
        -apple-system,
        "Segoe UI",
        Roboto,
        sans-serif;
    color: var(--public-ink);
    background: var(--public-paper);
    font-family: var(--public-font-body);
}

.meridian-public-page .container {
    width: min(100% - 3rem, 1280px);
    max-width: 1280px;
    padding-inline: 0;
}

.meridian-public-page .fullheight {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--public-paper);
}

.meridian-public-wordmark {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--public-ink);
    font-family: var(--public-font-display);
    font-size: 1.65rem;
    font-weight: 560;
    letter-spacing: -0.025em;
    line-height: 1;
}

.meridian-public-wordmark img {
    width: 1.35em;
    height: 1.35em;
}

.meridian-public-wordmark i {
    font-style: normal;
    color: var(--public-rose);
}

/* Public header and navigation */
.meridian-public-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 1px solid var(--public-header-rule);
    background: var(--public-header-surface);
    backdrop-filter: blur(14px);
}

.meridian-public-navigation,
.meridian-public-footer nav {
    background: transparent;
}

.meridian-public-navigation {
    position: relative;
    min-height: 76px;
    display: grid !important;
    grid-template-columns: auto 1fr auto;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    align-items: center;
}

.meridian-public-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.meridian-public-links,
.meridian-public-actions {
    display: flex;
    align-items: center;
}

.meridian-public-menu {
    display: none;
}

.meridian-public-menu > summary {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.7rem 0.5rem;
    color: var(--public-ink);
    cursor: pointer;
    font-size: 0.9rem;
    white-space: nowrap;
    list-style: none;
}

.meridian-public-menu > summary::-webkit-details-marker {
    display: none;
}

.meridian-public-menu > summary::after {
    content: "+";
}

.meridian-public-menu[open] > summary::after {
    content: "−";
}

.meridian-public-menu summary:focus-visible {
    outline: 3px solid var(--public-focus-ring);
    outline-offset: 3px;
}

.meridian-public-menu-links {
    position: absolute;
    z-index: 20;
    right: 0;
    top: calc(100% + 0.5rem);
    display: grid;
    width: min(20rem, calc(100vw - 2rem));
    padding: 1rem;
    border: 1px solid var(--public-rule);
    border-radius: 9px;
    background: var(--public-paper);
    box-shadow: 0 12px 30px rgb(24 40 32 / 12%);
}

.meridian-public-menu-links > a {
    padding: 0.85rem;
    color: var(--public-ink);
    text-decoration: none;
}

.meridian-public-menu-links > a:hover {
    text-decoration: underline;
}

.meridian-public-menu-links > a[aria-current] {
    font-weight: 700;
}

.meridian-public-menu-links > .meridian-public-nav-cta {
    display: flex;
    margin-top: 0.5rem;
    color: var(--public-white);
}

.meridian-public-links {
    gap: 2rem;
}

.meridian-public-actions {
    justify-content: flex-end;
    gap: 1.1rem;
}

.meridian-public-links a,
.meridian-public-sign-in {
    color: var(--public-ink-soft);
    font-size: 0.92rem;
    font-weight: 560;
    text-decoration: none;
}

.meridian-public-links a:hover,
.meridian-public-sign-in:hover,
.meridian-public-text-link:hover,
.meridian-public-final-actions a:not(.meridian-public-button):hover {
    color: var(--public-sage);
}

.meridian-public-locale {
    position: relative;
    margin: 0;
}

.meridian-public-locale label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.meridian-public-locale select {
    min-width: 92px;
    height: 40px;
    padding: 0 1.9rem 0 0.75rem;
    border: 1px solid var(--public-rule);
    border-radius: 9px;
    color: var(--public-ink);
    background-color: var(--public-paper);
    font: inherit;
    font-size: 0.88rem;
    cursor: pointer;
}

.meridian-public-locale select:focus-visible,
.meridian-public-page a:focus-visible,
.meridian-public-page button:focus-visible {
    outline: 3px solid var(--public-focus-ring);
    outline-offset: 3px;
}

.meridian-public-nav-cta,
.meridian-public-button {
    display: inline-flex;
    min-height: 46px;
    padding: 0.75rem 1.3rem;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--public-sage-dark);
    border-radius: 9px;
    color: var(--public-white);
    background: var(--public-sage-dark);
    font-size: 0.94rem;
    font-weight: 620;
    line-height: 1.2;
    text-decoration: none;
}

.meridian-public-nav-cta {
    min-height: 40px;
    padding: 0.6rem 1rem;
    font-size: 0.88rem;
}

.meridian-public-nav-cta:hover,
.meridian-public-button-primary:hover {
    border-color: var(--public-deep);
    color: var(--public-white);
    background: var(--public-deep);
}

.meridian-public-main {
    display: block;
    flex: 1;
    overflow: clip;
    color: var(--public-ink);
    background: var(--public-paper);
}

@media (max-width: 380px) {
    .meridian-public-header .meridian-public-navigation {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.5rem;
        padding-block: 0.75rem;
    }

    .meridian-public-actions {
        justify-content: flex-start;
    }
}

/* Section openers are quiet mixed-case lines, not tracked-caps chips. */
.meridian-public-eyebrow {
    margin: 0 0 1rem;
    color: var(--public-sage);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

/* Display headings share the signature face. */
.meridian-public-hero h1,
.meridian-public-loop h2,
.meridian-public-difference h2,
.meridian-public-final h2 {
    margin: 0;
    color: var(--public-ink);
    font-family: var(--public-font-display);
    font-weight: 420;
    letter-spacing: -0.022em;
}

/* Hero: the instrument field carries the atmosphere; copy and live product evidence sit on it. */
.meridian-public-hero {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--public-paper);
}

.meridian-public-hero::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    content: "";
    background: var(--public-rule);
}

/* The graduated meridian arcs are drawn geometry clipped by the hero. */
.meridian-arc-field {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.meridian-arc-field svg {
    position: absolute;
    top: 0;
    right: 0;
    width: min(1300px, 100%);
    height: 100%;
}

.meridian-arc-line {
    fill: none;
    stroke: var(--public-sage);
    stroke-width: 1.1;
    opacity: 0.34;
}

.meridian-arc-line-faint {
    fill: none;
    stroke: var(--public-sage);
    stroke-width: 1;
    opacity: 0.16;
}

.meridian-arc-ticks {
    fill: none;
    stroke: var(--public-sage);
    stroke-width: 10;
    stroke-dasharray: 1.2 34;
    opacity: 0.22;
}

.meridian-arc-point {
    fill: var(--public-rose);
}

.meridian-arc-point-ring {
    fill: none;
    stroke: var(--public-rose);
    stroke-width: 1.2;
    opacity: 0.55;
}

.meridian-public-hero-layout {
    position: relative;
    z-index: 1;
    display: grid !important;
    grid-template-columns: minmax(520px, 1.05fr) minmax(440px, 0.95fr);
    gap: clamp(2.5rem, 4vw, 4rem);
    align-items: start;
    padding-block: clamp(3rem, 5vw, 4.5rem);
}

.meridian-public-hero h1 {
    max-width: 680px;
    font-size: clamp(2.8rem, 4.3vw, 4.25rem);
    line-height: 1;
}

.meridian-public-lead {
    max-width: 600px;
    margin: 1.8rem 0 0;
    color: var(--public-muted);
    font-size: clamp(1.05rem, 1.45vw, 1.22rem);
    line-height: 1.65;
}

.meridian-public-hero-actions,
.meridian-public-final-actions {
    display: flex;
    gap: 1.4rem;
    align-items: center;
    margin-top: 2.2rem;
}

.meridian-public-text-link {
    display: inline-flex;
    gap: 0.55rem;
    align-items: center;
    border: 0;
    padding: 0;
    color: var(--public-ink);
    background: transparent;
    font-size: 0.95rem;
    font-weight: 620;
    text-decoration: none;
    cursor: pointer;
}

.meridian-public-text-link span {
    color: var(--public-sage);
}

.meridian-public-note {
    max-width: 540px;
    margin: 1.4rem 0 0;
    color: var(--public-muted);
    font-size: 0.84rem;
    line-height: 1.55;
}

.meridian-public-hero-product {
    position: relative;
    width: min(760px, 100%);
    justify-self: end;
}

.meridian-app-link {
    padding-top: clamp(3rem, 8vw, 6rem);
    padding-bottom: clamp(4rem, 10vw, 8rem);
}

.meridian-app-link .meridian-public-hero-actions {
    flex-wrap: wrap;
}

.meridian-android-download {
    max-width: 540px;
    margin-top: 1.8rem;
}

.meridian-android-button {
    color: var(--public-sage-dark);
    background: transparent;
}

.meridian-android-button:hover {
    color: var(--public-white);
    background: var(--public-sage-dark);
}

.meridian-android-download .meridian-public-note {
    margin-top: 0.6rem;
}

.meridian-android-download details {
    margin-top: 0.65rem;
    font-size: 0.88rem;
    line-height: 1.6;
}

.meridian-android-download summary {
    width: fit-content;
    padding: 0.5rem 0;
    color: var(--public-sage-dark);
    cursor: pointer;
}

.meridian-android-download ol {
    margin: 0.5rem 0 0.75rem;
    padding-left: 1.3rem;
}

.meridian-android-download li + li {
    margin-top: 0.6rem;
}

/* Product frames use a quiet instrument bezel around real captures, without fake window controls. */
.meridian-public-browser {
    overflow: hidden;
    border: 1px solid var(--public-frame-border);
    border-radius: 14px;
    background: var(--public-white);
    box-shadow: var(--public-shadow-frame);
}

.meridian-public-browser-bar {
    height: 34px;
    display: flex;
    gap: 0.6rem;
    align-items: center;
    padding-inline: 0.95rem;
    border-bottom: 1px solid var(--public-frame-rule);
    background: var(--public-frame-bar);
}

.meridian-public-browser-bar svg {
    width: 15px;
    height: 15px;
    flex: none;
}

.meridian-public-browser-bar .meridian-mark-arc {
    fill: none;
    stroke: var(--public-sage);
    stroke-width: 1.6;
    stroke-linecap: round;
}

.meridian-public-browser-bar .meridian-mark-point {
    fill: var(--public-rose);
}

.meridian-public-browser-bar b {
    color: var(--public-frame-address);
    font-size: 0.68rem;
    font-weight: 560;
    letter-spacing: 0.01em;
}

.meridian-public-browser img {
    display: block;
    width: 100%;
    height: auto;
}

.meridian-public-record-benefits {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--public-rule);
}

.meridian-public-record-benefits h2 {
    margin: 0 0 0.65rem;
    font-size: 1.3rem;
    line-height: 1.3;
}

.meridian-public-record-benefits p {
    margin: 0;
    color: var(--public-ink-soft);
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 800px) {
    .meridian-public-record-benefits {
        grid-template-columns: minmax(0, 1fr);
        gap: 1.75rem;
        margin-top: 2rem;
    }
}

/* Conversation → memory → workspace loop, drawn as one continuous line. */
.meridian-public-loop {
    padding-block: clamp(3rem, 6vw, 5rem);
    color: var(--public-ink);
    background: var(--public-canvas);
}

.meridian-public-loop-copy {
    max-width: 890px;
}

.meridian-public-final h2 {
    font-size: clamp(2.7rem, 5.4vw, 5.4rem);
    line-height: 1.02;
}

.meridian-public-loop h2 {
    font-size: clamp(2rem, 3vw, 2.75rem);
    line-height: 1.1;
}

.meridian-public-loop-copy > p:last-child {
    max-width: 720px;
    margin: 1.5rem 0 0;
    color: var(--public-muted);
    font-size: 1.06rem;
    line-height: 1.65;
}

.meridian-public-loop-diagram {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 2.5rem);
    align-items: start;
    margin-top: clamp(2rem, 4vw, 3rem);
}

/* Stations sit on the surface itself; the line beneath them carries the sequence. */
.meridian-public-loop-diagram article {
    position: relative;
    min-height: 0;
    padding: 1.6rem 0 0;
    border-top: 2px solid var(--public-sage);
    background: transparent;
}

.meridian-public-loop-diagram article::before {
    position: absolute;
    top: -6px;
    left: 0;
    width: 10px;
    height: 10px;
    content: "";
    border-radius: 50%;
    background: var(--public-sage);
}

.meridian-public-loop-diagram article span {
    color: var(--public-sage);
    font-family: var(--public-font-display);
    font-size: 0.95rem;
    font-variant-numeric: tabular-nums;
}

.meridian-public-loop-diagram h3 {
    margin: 0.6rem 0 0;
    font-family: var(--public-font-display);
    font-size: clamp(1.5rem, 2.4vw, 2.1rem);
    font-weight: 460;
}

.meridian-public-loop-diagram p {
    margin: 0.8rem 0 0;
    color: var(--public-muted);
    line-height: 1.6;
}

.meridian-public-loop-arrow {
    display: grid;
    place-items: start center;
    padding-top: 1.1rem;
    color: var(--public-sage);
    font-size: 1.3rem;
}

/* Why Meridian: an editorial comparison, not a feature-card grid. */
.meridian-public-difference {
    padding-block: clamp(6rem, 10vw, 10rem);
    background: var(--public-paper);
}

.meridian-public-difference-layout {
    display: grid !important;
    grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
    gap: clamp(4rem, 9vw, 9rem);
    align-items: start;
}

.meridian-public-difference h2 {
    max-width: 680px;
    font-size: clamp(3rem, 5.6vw, 5.7rem);
    line-height: 1.02;
}

.meridian-public-difference-statement > p:not(.meridian-public-eyebrow) {
    max-width: 620px;
    margin: 1.5rem 0 0;
    color: var(--public-muted);
    font-size: 1.04rem;
    line-height: 1.68;
}

.meridian-public-difference .meridian-public-text-link {
    margin-top: 1.8rem;
}

.meridian-public-principles {
    border-top: 1px solid var(--public-rule);
}

.meridian-public-principles article {
    display: grid;
    grid-template-columns: 2.2rem 1fr;
    gap: 1.2rem;
    padding-block: 1.7rem;
    border-bottom: 1px solid var(--public-rule);
}

.meridian-public-principles article > span {
    padding-top: 0.25rem;
    color: var(--public-sage);
    font-family: var(--public-font-display);
    font-size: 0.82rem;
    font-variant-numeric: tabular-nums;
}

.meridian-public-principles h3 {
    margin: 0;
    font-family: var(--public-font-display);
    font-size: clamp(1.45rem, 2.2vw, 2rem);
    font-weight: 460;
    letter-spacing: -0.015em;
}

.meridian-public-principles p {
    max-width: 660px;
    margin: 0.65rem 0 0;
    color: var(--public-muted);
    line-height: 1.62;
}

/* The dedicated FAQ stays quiet and readable; native details need no script or custom state. */
.meridian-faq {
    min-height: 70vh;
    color: var(--public-ink);
    background: var(--public-paper);
}

.meridian-public-page .meridian-faq-layout {
    max-width: 820px;
}

.meridian-faq-header {
    padding-block: clamp(2.5rem, 5vw, 4rem);
    border-bottom: 1px solid var(--public-warm-rule);
    background: var(--public-warm);
}

.meridian-faq-header h1 {
    margin: 0;
    font-family: var(--public-font-display);
    font-size: clamp(2.35rem, 4vw, 3.5rem);
    font-weight: 430;
    letter-spacing: -0.025em;
    line-height: 1.05;
}

.meridian-public-faq-list summary {
    position: relative;
    padding: 1.1rem 2.5rem 1.1rem 0;
    color: var(--public-ink);
    list-style: none;
    cursor: pointer;
}

.meridian-public-faq-list summary::-webkit-details-marker {
    display: none;
}

.meridian-public-faq-list summary::after {
    position: absolute;
    top: 0.85rem;
    right: 0;
    content: "+";
    color: var(--public-sage);
    font-family: var(--public-font-body);
    font-size: 1.45rem;
    font-weight: 400;
}

.meridian-public-faq-list details[open] > summary::after {
    content: "−";
}

.meridian-public-faq-list summary:hover {
    color: var(--public-sage-dark);
}

.meridian-public-faq-list summary:focus-visible {
    outline: none;
    color: var(--public-sage-dark);
}

.meridian-public-faq-list > details {
    scroll-margin-top: 8rem;
    border-top: 1px solid var(--public-rule);
    border-bottom: 1px solid var(--public-rule);
}

.meridian-faq > .meridian-public-faq-list {
    padding-block: clamp(2.5rem, 5vw, 4rem);
}

.meridian-public-faq-list > details:not(:first-child) {
    border-top: 0;
}

.meridian-public-faq-list summary {
    font-family: var(--public-font-display);
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
    font-weight: 460;
    line-height: 1.3;
}

.meridian-public-faq-list > details > p {
    max-width: 720px;
    margin: 0;
    padding: 0.1rem 2.5rem 1.25rem 0;
    color: var(--public-muted);
    line-height: 1.68;
}

.meridian-faq-requirements,
.meridian-faq-capabilities {
    padding: 0 2.5rem 0 1.25rem;
    color: var(--public-muted);
    line-height: 1.68;
}

.meridian-faq-requirements li + li,
.meridian-faq-capabilities li + li {
    margin-top: 1rem;
}

.meridian-faq-capabilities strong {
    color: var(--public-ink-soft);
}

.meridian-faq-requirements a {
    color: var(--public-sage-dark);
    text-underline-offset: 0.2em;
}

.meridian-faq-start {
    padding-bottom: 3rem;
}

.meridian-faq-start p {
    margin-top: 1rem;
    color: var(--public-muted);
    font-size: 0.9rem;
}

/* Closing chapter: back to the deep surface; the footer continues it without a seam. */
.meridian-public-final-shell {
    position: relative;
    color: var(--public-deep-text);
    background: var(--public-deep);
}

.meridian-public-final-shell::before {
    position: absolute;
    inset: 0;
    content: "";
    opacity: 0.05;
    background: var(--public-grain);
    pointer-events: none;
}

.meridian-public-final {
    position: relative;
    padding-block: clamp(5.5rem, 9vw, 9rem) clamp(4rem, 7vw, 6rem);
}

.meridian-public-final-compact {
    padding-block: 3rem;
}

.meridian-public-final-compact .meridian-public-final-actions {
    margin-top: 0;
}

.meridian-public-final .meridian-public-eyebrow {
    color: var(--public-sage-bright);
}

.meridian-public-final h2 {
    max-width: 950px;
    color: var(--public-deep-heading);
}

.meridian-public-final > p:not(.meridian-public-eyebrow) {
    max-width: 690px;
    margin: 1.5rem 0 0;
    color: var(--public-deep-muted);
    font-size: 1.06rem;
    line-height: 1.65;
}

.meridian-public-final .meridian-public-button {
    border-color: var(--public-paper);
    color: var(--public-ink);
    background: var(--public-paper);
}

.meridian-public-final .meridian-public-button:hover {
    border-color: var(--public-white);
    background: var(--public-white);
}

.meridian-public-final-actions > span {
    color: var(--public-deep-muted);
    font-size: 0.9rem;
}

.meridian-public-final-actions > span a {
    color: var(--public-deep-text);
    font-weight: 620;
}

/* The motivation page uses one continuous reading column. */
.meridian-why {
    color: var(--public-ink);
    background: var(--public-paper);
}

.meridian-why h1,
.meridian-why h2 {
    margin: 0;
    font-family: var(--public-font-display);
    font-weight: 430;
    letter-spacing: -0.025em;
}

.meridian-why-header {
    padding-block: clamp(3rem, 6vw, 5rem) clamp(2.5rem, 4vw, 3.5rem);
    border-bottom: 1px solid var(--public-warm-rule);
    background: var(--public-warm);
}

.meridian-why-header .container,
.meridian-why .meridian-why-article {
    width: min(100% - 3rem, 46rem);
}

.meridian-why-header h1 {
    font-size: clamp(2.4rem, 4vw, 3.5rem);
    line-height: 1.1;
}

.meridian-why-lead {
    margin: 1.5rem 0 0;
    color: var(--public-ink-soft);
    font-family: var(--public-font-display);
    font-size: clamp(1.2rem, 2vw, 1.4rem);
    line-height: 1.55;
}

.meridian-why-article {
    padding-bottom: clamp(3rem, 5vw, 4.5rem);
}

.meridian-why-article > section {
    padding-block: clamp(2rem, 4vw, 3rem);
    border-top: 1px solid var(--public-rule);
}

.meridian-why-article > section:first-child {
    border-top: 0;
}

.meridian-why-article h2 {
    margin-bottom: 1.25rem;
    font-size: clamp(1.6rem, 2.5vw, 2rem);
    line-height: 1.2;
}

.meridian-why-prose p {
    margin: 0;
    color: var(--public-ink-soft);
    font-size: 1.08rem;
    line-height: 1.75;
}

.meridian-why-prose p + p {
    margin-top: 1.25rem;
}

.meridian-why-card {
    max-width: 35rem;
    margin: 2rem auto 0;
}

.meridian-why-card img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid var(--public-rule);
    background: var(--public-white);
}

.meridian-why-card figcaption {
    margin-top: 0.75rem;
    color: var(--public-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.meridian-why-final {
    padding-top: 2rem;
    border-top: 1px solid var(--public-rule);
}

.meridian-why-final p {
    margin: 0 0 1.25rem;
    color: var(--public-muted);
    line-height: 1.6;
}

.meridian-why-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
}

/* Footer: same deep surface, closed by the oversized brand name on the bottom edge. */
.meridian-public-footer {
    position: relative;
    overflow: hidden;
    color: var(--public-deep-text);
    background: var(--public-deep);
}

.meridian-public-footer::before {
    position: absolute;
    inset: 0;
    content: "";
    opacity: 0.05;
    background: var(--public-grain);
    pointer-events: none;
}

.meridian-public-footer-grid {
    position: relative;
    display: grid !important;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    padding-block: 3.5rem 2.5rem;
    border-top: 1px solid var(--public-deep-rule);
}

.meridian-public-footer-brand .meridian-public-wordmark {
    color: var(--public-deep-heading);
}

.meridian-public-footer-brand p {
    max-width: 380px;
    margin: 1.1rem 0 0;
    color: var(--public-deep-muted);
    font-family: var(--public-font-display);
    font-size: 1.15rem;
    font-weight: 430;
    line-height: 1.5;
}

.meridian-public-footer nav {
    display: grid;
    min-width: 180px;
    gap: 0.75rem;
    align-content: start;
}

.meridian-public-footer nav span {
    margin-bottom: 0.2rem;
    color: var(--public-deep-muted);
    font-size: 0.82rem;
    font-weight: 620;
}

.meridian-public-footer nav a {
    color: var(--public-deep-text);
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
}

.meridian-public-footer nav a:hover {
    color: var(--public-sage-bright);
}

.meridian-public-footer-meta {
    position: relative;
    display: flex !important;
    gap: 2rem;
    justify-content: space-between;
    padding-block: 1.1rem 1.4rem;
    border-top: 1px solid var(--public-deep-rule);
    color: var(--public-deep-muted);
    font-size: 0.74rem;
    line-height: 1.5;
}

.meridian-public-footer-meta span:last-child {
    max-width: 660px;
    text-align: right;
}

/* The closing signature: the brand name, set huge, flush with the page's bottom edge. */
.meridian-public-footer-signature {
    position: relative;
    display: block;
    height: clamp(4.6rem, 10.5vw, 10rem);
    overflow: hidden;
}

.meridian-public-footer-signature span {
    position: absolute;
    bottom: clamp(-2.4rem, -5vw, -1.2rem);
    left: 50%;
    color: var(--public-deep-3);
    font-family: var(--public-font-display);
    /* The word must always stay whole across the width; it bleeds only off the bottom edge. */
    font-size: clamp(3.2rem, 16.5vw, 15.5rem);
    font-weight: 480;
    letter-spacing: 0.01em;
    line-height: 1;
    white-space: nowrap;
    transform: translateX(-50%);
    user-select: none;
}

.meridian-public-footer-signature i {
    font-style: normal;
    color: var(--public-rose);
    opacity: 0.6;
}

/* Responsive adaptations */
@media (max-width: 1120px) {
    .meridian-public-navigation {
        grid-template-columns: 1fr auto;
    }

    .meridian-public-menu {
        display: block;
    }

    .meridian-public-links {
        display: none;
    }

    .meridian-public-hero-layout {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
        gap: 3rem;
    }

}

@media (max-width: 900px) {
    .meridian-public-page .container {
        width: min(100% - 2rem, 720px);
    }

    .meridian-public-navigation {
        grid-template-columns: 1fr auto;
    }

    .meridian-public-actions > .meridian-public-nav-cta,
    .meridian-public-actions > .meridian-public-sign-in {
        display: none;
    }

    .meridian-public-hero-layout {
        grid-template-columns: 1fr;
        padding-top: 4rem;
        padding-bottom: 3rem;
    }

    .meridian-arc-field svg {
        width: 150%;
        opacity: 0.55;
    }

    .meridian-arc-field .meridian-arc-ticks {
        opacity: 0.12;
    }

    .meridian-public-hero h1 {
        max-width: 700px;
        font-size: clamp(2.8rem, 8vw, 4.5rem);
    }

    .meridian-public-hero-product {
        width: 100%;
        justify-self: stretch;
    }

    .meridian-public-loop-diagram {
        grid-template-columns: 1fr;
    }

    .meridian-public-loop-arrow {
        justify-items: start;
        padding: 0.2rem 0 0.2rem 0;
        transform: rotate(90deg);
        transform-origin: 0.65rem 50%;
    }

    .meridian-public-difference-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

}

@media (max-width: 600px) {
    .meridian-public-navigation {
        min-height: 64px;
        gap: 0.5rem;
    }

    .meridian-public-actions {
        gap: 0.75rem;
    }

    .meridian-public-wordmark {
        font-size: 1.35rem;
    }

    .meridian-public-locale select {
        min-width: 82px;
        height: 38px;
    }

    .meridian-public-hero-layout {
        gap: 2rem;
        padding-top: 3rem;
    }

    .meridian-public-hero h1 {
        font-size: clamp(2.15rem, 9vw, 2.75rem);
    }

    .meridian-public-hero-actions,
    .meridian-public-final-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 1.1rem;
    }

    .meridian-public-browser-bar {
        height: 30px;
    }

    .meridian-public-difference h2,
    .meridian-public-final h2 {
        font-size: clamp(2.3rem, 10.5vw, 3.6rem);
    }

    .meridian-public-footer-grid,
    .meridian-public-footer-meta {
        grid-template-columns: 1fr;
        display: grid !important;
        gap: 2.2rem;
    }

    .meridian-public-footer-meta {
        gap: 0.7rem;
    }

    .meridian-public-footer-meta span:last-child {
        text-align: left;
    }

}