:root {
    --ink: #12202f;
    --ink-soft: #405264;
    --navy: #123f61;
    --navy-dark: #092c47;
    --blue: #176ca4;
    --sky: #dff3ff;
    --teal: #0f766e;
    --mint: #dff4ee;
    --amber: #eaa52b;
    --amber-pale: #fff2ce;
    --paper: #f6f8f5;
    --white: #ffffff;
    --line: #d8e0e5;
    --line-dark: #b9c7cf;
    --shadow-sm: 0 8px 24px rgba(13, 41, 61, 0.08);
    --shadow-lg: 0 28px 70px rgba(13, 41, 61, 0.14);
    --radius-sm: 12px;
    --radius: 20px;
    --radius-lg: 32px;
    --page: min(1180px, calc(100% - 40px));
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}

body {
    margin: 0;
    font-family: var(--font-sans, "Segoe UI", sans-serif);
    color: var(--ink);
    background: var(--paper);
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    overflow-x: clip;
}

body.menu-open {
    overflow: hidden;
}

/* Copy-ready demo onboarding */
.quick-start-main {
    background: var(--paper);
}

.quick-start-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(72px, 9vw, 118px) 0;
    background:
        radial-gradient(circle at 78% 18%, rgba(23, 108, 164, 0.18), transparent 30%),
        linear-gradient(135deg, #092c47 0%, #123f61 58%, #0b5666 100%);
    color: var(--white);
}

.quick-start-hero::after {
    position: absolute;
    right: -90px;
    bottom: -190px;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    content: "";
}

.quick-start-hero-grid,
.quick-start-finish-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
    align-items: center;
    gap: clamp(36px, 7vw, 92px);
}

.quick-start-hero .eyebrow {
    color: #8fd5ff;
}

.quick-start-hero h1 {
    max-width: 760px;
    margin: 15px 0 20px;
    color: var(--white);
    font-size: clamp(2.7rem, 5.4vw, 5.2rem);
    line-height: 0.98;
    letter-spacing: -0.055em;
}

.quick-start-lede {
    max-width: 720px;
    margin: 0;
    color: #dceaf3;
    font-size: clamp(1.05rem, 1.6vw, 1.24rem);
    line-height: 1.65;
}

.quick-start-summary {
    position: relative;
    z-index: 1;
    padding: 28px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(14px);
}

.quick-start-summary span {
    color: #8fd5ff;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.quick-start-summary strong {
    display: block;
    margin-top: 10px;
    color: var(--white);
    font-size: 1.45rem;
    line-height: 1.25;
}

.quick-start-summary p {
    margin: 10px 0 0;
    color: #dceaf3;
    font-size: 0.88rem;
}

.quick-start-section {
    padding-block: clamp(70px, 8vw, 110px);
}

.quick-start-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.6fr);
    align-items: end;
    gap: 40px;
    margin-bottom: 38px;
}

.quick-start-heading h2,
.quick-start-finish h2 {
    margin: 10px 0 0;
    color: var(--navy-dark);
    font-size: clamp(2rem, 4vw, 3.7rem);
    line-height: 1.05;
    letter-spacing: -0.045em;
}

.quick-start-heading > p,
.quick-start-finish p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 1rem;
    line-height: 1.7;
}

.example-data-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(310px, 0.8fr);
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.example-table-wrap {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow-x: auto;
    padding: 28px;
}

.example-data-table {
    width: 100%;
    min-width: 620px;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.example-data-table th,
.example-data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    white-space: nowrap;
}

.example-data-table th {
    background: var(--navy);
    color: var(--white);
    font-size: 0.76rem;
    letter-spacing: 0.04em;
}

.example-data-table tbody tr:nth-child(even) {
    background: #f6f9fa;
}

.example-data-table tbody tr:last-child td {
    border-bottom: 0;
}

.copy-data-box {
    display: flex;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    flex-direction: column;
    padding: 28px;
    background: var(--navy-dark);
    scroll-margin-top: 110px;
}

.copy-data-box label {
    margin-bottom: 10px;
    color: #8fd5ff;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.copy-data-box textarea {
    width: 100%;
    min-height: 190px;
    padding: 15px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 10px;
    background: #071f32;
    color: #eef8ff;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.75rem;
    line-height: 1.7;
    resize: none;
}

.copy-data-box textarea:focus {
    outline: 3px solid rgba(143, 213, 255, 0.5);
    outline-offset: 2px;
}

.copy-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 14px;
}

.copy-actions .button {
    border-color: #8fd5ff;
    background: var(--white);
    color: var(--navy-dark);
    white-space: nowrap;
}

.copy-actions .button:hover {
    background: var(--sky);
}

#copyStatus {
    color: #dceaf3;
    font-size: 0.8rem;
    line-height: 1.4;
}

.visual-instructions {
    display: grid;
    grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
    align-items: center;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    gap: clamp(36px, 7vw, 90px);
    padding: clamp(28px, 5vw, 56px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.quick-input-figure {
    margin: 0;
    text-align: center;
}

.quick-input-figure img {
    width: min(100%, 380px);
    height: auto;
    margin-inline: auto;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 20px 48px rgba(9, 44, 71, 0.16);
}

.quick-input-figure figcaption {
    max-width: 380px;
    margin: 16px auto 0;
    color: var(--ink-soft);
    font-size: 0.78rem;
    line-height: 1.5;
}

.instruction-list {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.instruction-list li {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 16px;
    align-items: start;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #f8fafb;
}

.instruction-list li > span {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 50%;
    background: var(--navy);
    color: var(--white);
    font-weight: 800;
}

.instruction-list strong {
    display: block;
    color: var(--navy-dark);
    font-size: 1rem;
}

.instruction-list p {
    margin: 5px 0 0;
    color: var(--ink-soft);
    font-size: 0.88rem;
    line-height: 1.55;
}

.quick-start-finish {
    padding-block: clamp(70px, 8vw, 110px);
}

.quick-start-final-action {
    display: grid;
    justify-items: start;
    gap: 18px;
}

.quick-start-final-action > a:last-child {
    color: var(--blue);
    font-size: 0.88rem;
    font-weight: 800;
    text-underline-offset: 4px;
}

@media (max-width: 820px) {
    .quick-start-hero-grid,
    .quick-start-heading,
    .example-data-panel,
    .visual-instructions,
    .quick-start-finish-grid {
        grid-template-columns: 1fr;
    }

    .quick-start-heading {
        align-items: start;
        gap: 18px;
    }
}

@media (max-width: 620px) {
    .quick-start-hero {
        padding-block: 64px;
    }

    .quick-start-summary,
    .example-table-wrap,
    .copy-data-box,
    .visual-instructions {
        padding: 20px;
    }

    .quick-start-main .nav-actions .secondary {
        display: none;
    }

    .copy-actions {
        align-items: flex-start;
        flex-direction: column;
    }
}

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

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid rgba(234, 165, 43, 0.65);
    outline-offset: 3px;
}

.skip-link {
    position: fixed;
    z-index: 200;
    left: 14px;
    top: 10px;
    transform: translateY(-150%);
    padding: 10px 14px;
    border-radius: 8px;
    background: var(--white);
    color: var(--navy-dark);
    font-weight: 800;
    text-decoration: none;
}

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

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

.announcement {
    background: var(--navy-dark);
    color: #dceaf3;
    font-size: 0.82rem;
}

.announcement .shell {
    min-height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-align: center;
}

.announcement a {
    color: var(--white);
    font-weight: 800;
    text-underline-offset: 3px;
}

.announcement-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #6ee7b7;
    box-shadow: 0 0 0 5px rgba(110, 231, 183, 0.12);
    flex: 0 0 auto;
}

.site-header {
    position: sticky;
    z-index: 100;
    top: 0;
    border-bottom: 1px solid rgba(185, 199, 207, 0.75);
    background: rgba(246, 248, 245, 0.93);
    backdrop-filter: blur(16px);
}

.nav-wrap {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(16px, 1.7vw, 24px);
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: max-content;
    color: var(--ink);
    text-decoration: none;
}

.wordmark img {
    width: 43px;
    height: 43px;
    object-fit: contain;
}

.wordmark strong {
    display: block;
    font-size: 1.02rem;
    line-height: 1.05;
    letter-spacing: -0.02em;
}

.wordmark span {
    display: block;
    margin-top: 4px;
    color: var(--ink-soft);
    font-size: 0.68rem;
    line-height: 1;
}

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

.nav-links {
    gap: clamp(14px, 1.45vw, 22px);
    margin-left: auto;
}

.nav-links > a {
    color: #31475a;
    font-size: 0.86rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
}

.nav-actions .button {
    white-space: nowrap;
}

.nav-links > a:hover {
    color: var(--blue);
}

.nav-actions {
    gap: 10px;
}

.button {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: var(--navy);
    color: var(--white);
    box-shadow: none;
    cursor: pointer;
    font-weight: 800;
    font-size: 0.9rem;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
    transform: translateY(-2px);
    background: var(--navy-dark);
    box-shadow: var(--shadow-sm);
}

.button.secondary {
    border-color: var(--line-dark);
    background: transparent;
    color: var(--navy-dark);
}

.button.secondary:hover {
    border-color: var(--navy);
    background: var(--white);
}

.button.light {
    background: var(--white);
    color: var(--navy-dark);
}

.button.amber {
    background: var(--amber);
    color: #1f2c35;
}

.button.small {
    min-height: 39px;
    padding: 0 16px;
    font-size: 0.82rem;
}

.button-arrow {
    font-size: 1.15em;
    transition: transform 180ms ease;
}

.button:hover .button-arrow {
    transform: translateX(3px);
}

.menu-button {
    position: relative;
    z-index: 100;
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line-dark);
    border-radius: 50%;
    background: transparent;
    color: var(--navy-dark);
    cursor: pointer;
}

.menu-button svg {
    width: 21px;
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 86px 0 42px;
}

.hero::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0 0 auto 50%;
    width: 680px;
    height: 680px;
    border: 1px solid rgba(23, 108, 164, 0.1);
    border-radius: 50%;
    transform: translate(-5%, -34%);
    box-shadow: 0 0 0 90px rgba(23, 108, 164, 0.025), 0 0 0 180px rgba(23, 108, 164, 0.018);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.93fr) minmax(480px, 1.07fr);
    align-items: center;
    gap: 58px;
}

.hero-grid > *,
.concept-hero-grid > * {
    min-width: 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin: 0 0 20px;
    color: var(--teal);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 27px;
    height: 2px;
    background: currentColor;
}

.hero h1,
.section-heading h2,
.split-copy h2,
.cta-panel h2,
.concept-hero h1,
.concept-section h2 {
    margin: 0;
    color: var(--navy-dark);
    font-family: var(--font-heading, "Segoe UI", sans-serif);
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1.03;
}

.hero h1 {
    max-width: 700px;
    font-size: clamp(3rem, 5.3vw, 5.25rem);
}

.hero h1 span {
    color: var(--blue);
}

.hero-lede {
    max-width: 610px;
    margin: 24px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.06rem, 1.5vw, 1.25rem);
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 31px;
}

.microcopy {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 18px;
    color: #5c6d7a;
    font-size: 0.78rem;
}

.microcopy span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.microcopy svg {
    width: 14px;
    color: var(--teal);
}

.product-window {
    position: relative;
    overflow: hidden;
    border: 1px solid #cbd8df;
    border-radius: 20px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

.product-window::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 7px;
    height: 36%;
    background: var(--amber);
}

.window-bar {
    display: flex;
    min-height: 49px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0 17px;
    border-bottom: 1px solid #dce5ea;
    background: #f5f8f9;
}

.window-dots {
    display: flex;
    gap: 6px;
}

.window-dots i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #b7c6ce;
}

.window-bar strong {
    color: #33526a;
    font-size: 0.72rem;
}

.window-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--teal);
    font-size: 0.66rem;
    font-weight: 800;
    text-transform: uppercase;
}

.window-status::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #2fc291;
}

.window-body {
    display: grid;
    grid-template-columns: 118px 1fr;
    min-height: 430px;
}

.window-sidebar {
    padding: 18px 13px;
    border-right: 1px solid #e0e7eb;
    background: #f8fafb;
}

.side-brand {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 21px;
    color: var(--navy);
    font-size: 0.63rem;
    font-weight: 800;
}

.side-brand img {
    width: 23px;
}

.fake-nav {
    display: grid;
    gap: 7px;
}

.fake-nav span {
    display: block;
    padding: 8px;
    border-radius: 7px;
    color: #69808f;
    font-size: 0.57rem;
    font-weight: 700;
}

.fake-nav span.active {
    background: #dfeef7;
    color: var(--navy);
}

.window-main {
    padding: 21px 21px 15px;
    min-width: 0;
}

.window-title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.window-title small {
    display: block;
    color: #718493;
    font-size: 0.58rem;
}

.window-title strong {
    display: block;
    margin-top: 3px;
    color: var(--navy-dark);
    font-size: 0.86rem;
}

.model-chip {
    padding: 6px 9px;
    border-radius: 999px;
    background: var(--mint);
    color: var(--teal);
    font-size: 0.56rem;
    font-weight: 800;
}

.chart-card {
    margin-top: 17px;
    padding: 13px;
    border: 1px solid #e0e7eb;
    border-radius: 11px;
}

.chart-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #687d8c;
    font-size: 0.56rem;
}

.chart-meta strong {
    color: var(--navy-dark);
    font-size: 0.66rem;
}

.chrom-chart {
    display: block;
    width: 100%;
    height: 208px;
    margin-top: 7px;
}

.chart-footer {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 7px;
    margin-top: 8px;
}

.metric-box {
    padding: 8px;
    border: 1px solid #e0e7eb;
    border-radius: 7px;
    background: #fbfcfc;
}

.metric-box span,
.metric-box strong {
    display: block;
}

.metric-box span {
    color: #748794;
    font-size: 0.5rem;
    text-transform: uppercase;
}

.metric-box strong {
    margin-top: 2px;
    color: var(--navy-dark);
    font-size: 0.68rem;
}

.hero-proof {
    padding: 34px 0 74px;
}

.proof-grid {
    display: grid;
    grid-template-columns: 1.08fr repeat(3, 1fr);
    border-block: 1px solid var(--line);
}

.proof-intro,
.proof-item {
    min-height: 126px;
    padding: 24px;
}

.proof-intro {
    display: flex;
    align-items: center;
    color: var(--navy-dark);
    font-size: 1.08rem;
    font-weight: 800;
    line-height: 1.35;
}

.proof-item {
    border-left: 1px solid var(--line);
}

.proof-item strong,
.proof-item span {
    display: block;
}

.proof-item strong {
    margin-bottom: 8px;
    color: var(--blue);
    font-size: 1.25rem;
}

.proof-item span {
    color: var(--ink-soft);
    font-size: 0.82rem;
}

.section {
    padding: 94px 0;
}

.section.white {
    background: var(--white);
}

.section.navy {
    background: var(--navy-dark);
    color: #d9e6ee;
}

.section-heading {
    display: grid;
    grid-template-columns: 1fr minmax(280px, 0.65fr);
    align-items: end;
    gap: 55px;
    margin-bottom: 47px;
}

.section-heading.center {
    display: block;
    max-width: 720px;
    margin: 0 auto 48px;
    text-align: center;
}

.section-heading .eyebrow {
    margin-bottom: 14px;
}

.section-heading.center .eyebrow {
    justify-content: center;
}

.section-heading h2,
.split-copy h2,
.cta-panel h2,
.concept-section h2 {
    font-size: clamp(2.25rem, 4vw, 3.7rem);
}

.section-heading > p,
.section-heading-copy {
    margin: 0;
    color: var(--ink-soft);
    font-size: 1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.feature-card {
    position: relative;
    min-height: 250px;
    overflow: hidden;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fafcfb;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: #a9c1ce;
    box-shadow: var(--shadow-sm);
}

.feature-number {
    color: #89a0ae;
    font-family: var(--font-mono, monospace);
    font-size: 0.7rem;
}

.feature-icon {
    display: flex;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    margin: 24px 0 20px;
    border: 1px solid #bcd4dd;
    border-radius: 14px;
    background: var(--sky);
    color: var(--blue);
}

.feature-icon svg {
    width: 22px;
}

.feature-card h3 {
    margin: 0 0 9px;
    color: var(--navy-dark);
    font-size: 1.08rem;
}

.feature-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.86rem;
}

.workflow {
    display: grid;
    grid-template-columns: minmax(320px, 0.7fr) 1fr;
    gap: 76px;
    align-items: start;
}

.workflow-copy {
    position: sticky;
    top: 125px;
}

.workflow-copy p:not(.eyebrow) {
    color: var(--ink-soft);
}

.workflow-copy .button {
    margin-top: 16px;
}

.workflow-steps {
    counter-reset: workflow;
}

.workflow-step {
    position: relative;
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    padding: 0 0 41px;
    counter-increment: workflow;
}

.workflow-step:last-child {
    padding-bottom: 0;
}

.workflow-step::before {
    content: counter(workflow, decimal-leading-zero);
    position: relative;
    z-index: 2;
    display: flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    border: 1px solid #a7c5d1;
    border-radius: 50%;
    background: var(--white);
    color: var(--blue);
    font-family: var(--font-mono, monospace);
    font-size: 0.74rem;
    font-weight: 800;
}

.workflow-step::after {
    content: "";
    position: absolute;
    top: 57px;
    bottom: 0;
    left: 27px;
    width: 1px;
    background: #bed0d9;
}

.workflow-step:last-child::after {
    display: none;
}

.workflow-step h3 {
    margin: 3px 0 8px;
    color: var(--navy-dark);
    font-size: 1.22rem;
}

.workflow-step p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.regulatory-panel {
    position: relative;
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--navy-dark);
    color: #dbe8ef;
}

.regulatory-copy {
    padding: 66px 58px;
}

.regulatory-copy .eyebrow {
    color: #70d9c8;
}

.regulatory-copy h2 {
    margin: 0;
    color: var(--white);
    font-size: clamp(2.2rem, 4vw, 3.55rem);
    line-height: 1.05;
    letter-spacing: -0.04em;
}

.regulatory-copy > p {
    margin: 20px 0 0;
    color: #bbced9;
}

.regulatory-list {
    display: grid;
    gap: 12px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.regulatory-list li {
    display: flex;
    gap: 10px;
    color: #e7f0f5;
    font-size: 0.9rem;
}

.regulatory-list li::before {
    content: "✓";
    color: #70d9c8;
    font-weight: 800;
}

.doe-visual {
    position: relative;
    min-height: 530px;
    overflow: hidden;
    background: #0c3553;
}

.doe-grid {
    position: absolute;
    inset: 0;
    opacity: 0.33;
    background-image: linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
    background-size: 44px 44px;
}

.doe-axis {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 310px;
    height: 310px;
    border: 1px solid rgba(151, 214, 232, 0.55);
    transform: translate(-50%, -50%) rotate(45deg);
}

.doe-axis::before,
.doe-axis::after {
    content: "";
    position: absolute;
    background: rgba(151, 214, 232, 0.48);
}

.doe-axis::before {
    left: 50%;
    top: -50px;
    bottom: -50px;
    width: 1px;
}

.doe-axis::after {
    top: 50%;
    left: -50px;
    right: -50px;
    height: 1px;
}

.doe-point {
    position: absolute;
    z-index: 2;
    width: 18px;
    height: 18px;
    border: 4px solid #0c3553;
    border-radius: 50%;
    background: #7dd8cb;
    box-shadow: 0 0 0 1px rgba(255,255,255,.55), 0 0 22px rgba(125,216,203,.45);
    transform: translate(-50%, -50%);
}

.doe-point.center {
    width: 28px;
    height: 28px;
    background: var(--amber);
}

.doe-label {
    position: absolute;
    z-index: 3;
    padding: 8px 12px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 8px;
    background: rgba(5, 29, 48, 0.78);
    color: #dceaf1;
    font-family: var(--font-mono, monospace);
    font-size: 0.63rem;
}

.security-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 70px;
    align-items: center;
}

.split-copy > p:not(.eyebrow) {
    color: var(--ink-soft);
}

.security-points {
    display: grid;
    gap: 14px;
    margin-top: 27px;
}

.security-point {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 13px;
    align-items: start;
}

.security-point-icon {
    display: flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--mint);
    color: var(--teal);
}

.security-point-icon svg {
    width: 18px;
}

.security-point > div > strong,
.security-point > div > span {
    display: block;
}

.security-point > div > strong {
    color: var(--navy-dark);
    font-size: 0.9rem;
}

.security-point > div > span {
    margin-top: 2px;
    color: var(--ink-soft);
    font-size: 0.8rem;
}

.data-map {
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.data-map-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 30px;
}

.data-map-header strong {
    color: var(--navy-dark);
}

.local-badge {
    padding: 6px 10px;
    border-radius: 999px;
    background: var(--mint);
    color: var(--teal);
    font-size: 0.68rem;
    font-weight: 800;
}

.data-lane {
    display: grid;
    grid-template-columns: 1fr 78px 1fr;
    align-items: center;
    gap: 12px;
    padding: 16px 0;
    border-top: 1px solid #e4eaed;
}

.data-lane-card {
    min-height: 88px;
    padding: 15px;
    border: 1px solid #d7e1e6;
    border-radius: 12px;
    background: #f9fbfb;
}

.data-lane-card strong,
.data-lane-card span {
    display: block;
}

.data-lane-card strong {
    color: var(--navy-dark);
    font-size: 0.82rem;
}

.data-lane-card span {
    margin-top: 6px;
    color: var(--ink-soft);
    font-size: 0.69rem;
}

.data-arrow {
    color: #7291a2;
    text-align: center;
    font-size: 0.64rem;
    font-weight: 800;
    text-transform: uppercase;
}

.data-arrow::after {
    content: "→";
    display: block;
    color: var(--blue);
    font-size: 1.3rem;
}

.data-lane.blocked .data-lane-card:last-child {
    border-color: #efc98b;
    background: #fffbf2;
}

.data-lane.blocked .data-arrow {
    color: #a2762f;
}

.data-lane.blocked .data-arrow::after {
    content: "×";
    color: var(--amber);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.doc-card {
    display: flex;
    min-height: 284px;
    flex-direction: column;
    padding: 29px;
    border: 1px solid rgba(180, 204, 217, 0.34);
    border-radius: var(--radius);
    background: #0c3553;
    color: #dce8ef;
    text-decoration: none;
    transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.doc-card:hover {
    transform: translateY(-4px);
    border-color: rgba(121, 211, 197, 0.7);
    background: #103e5e;
}

.doc-code {
    color: #77d6c7;
    font-family: var(--font-mono, monospace);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
}

.doc-card h3 {
    margin: 38px 0 11px;
    color: var(--white);
    font-size: 1.22rem;
    line-height: 1.25;
}

.doc-card p {
    margin: 0;
    color: #afc5d1;
    font-size: 0.84rem;
}

.doc-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 25px;
    color: #e8f3f7;
    font-size: 0.8rem;
    font-weight: 800;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
}

.price-card {
    position: relative;
    display: flex;
    min-height: 455px;
    flex-direction: column;
    padding: 31px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
}

.price-card.featured {
    padding: 30px;
    border: 2px solid var(--blue);
    box-shadow: var(--shadow-lg);
}

.popular-label {
    position: absolute;
    right: 20px;
    top: 20px;
    padding: 6px 9px;
    border-radius: 999px;
    background: var(--sky);
    color: var(--blue);
    font-size: 0.61rem;
    font-weight: 800;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.price-kicker {
    color: var(--teal);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.price-card h3 {
    margin: 12px 0 8px;
    color: var(--navy-dark);
    font-size: 1.45rem;
}

.price-card > p {
    min-height: 84px;
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.83rem;
}

.price {
    min-height: 77px;
    margin: 26px 0 4px;
    color: var(--navy-dark);
    font-size: 2.65rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.08;
    white-space: nowrap;
}

.price span {
    display: block;
    margin-top: 7px;
    color: var(--ink-soft);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0;
    line-height: 1.4;
}

.price-card ul {
    display: grid;
    gap: 10px;
    margin: 25px 0 28px;
    padding: 0;
    color: #395062;
    font-size: 0.82rem;
    list-style: none;
}

.price-card li {
    display: flex;
    gap: 9px;
}

.price-card li::before {
    content: "✓";
    color: var(--teal);
    font-weight: 800;
}

.price-card .button {
    width: 100%;
    margin-top: auto;
    white-space: nowrap;
}

.pricing-note {
    margin: 25px auto 0;
    color: var(--ink-soft);
    font-size: 0.77rem;
    text-align: center;
}

.faq-list {
    max-width: 860px;
    margin: 0 auto;
    border-top: 1px solid var(--line);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 5px;
    color: var(--navy-dark);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 800;
    list-style: none;
}

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

.faq-list summary::after {
    content: "+";
    color: var(--blue);
    font-size: 1.35rem;
    font-weight: 400;
}

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

.faq-list details p {
    max-width: 720px;
    margin: -6px 0 24px 5px;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

.cta-section {
    padding: 40px 0 100px;
}

.cta-panel {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
    padding: 55px 60px;
    border-radius: var(--radius-lg);
    background: var(--amber-pale);
}

.cta-panel::after {
    content: "";
    position: absolute;
    right: -65px;
    bottom: -110px;
    width: 290px;
    height: 290px;
    border: 1px solid rgba(146, 94, 10, 0.19);
    border-radius: 50%;
    box-shadow: 0 0 0 43px rgba(146, 94, 10, 0.05), 0 0 0 86px rgba(146, 94, 10, 0.035);
}

.cta-panel h2 {
    max-width: 740px;
}

.cta-panel p {
    max-width: 690px;
    margin: 15px 0 0;
    color: #5d4d2f;
}

.cta-panel .hero-actions {
    position: relative;
    z-index: 2;
    margin: 0;
}

.site-footer {
    padding: 58px 0 27px;
    background: #081f31;
    color: #aebfca;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.25fr repeat(3, 0.6fr);
    gap: 52px;
}

.footer-brand .wordmark {
    color: var(--white);
}

.footer-brand .wordmark span {
    color: #91a9b8;
}

.footer-brand p {
    max-width: 310px;
    margin: 20px 0 0;
    font-size: 0.78rem;
}

.footer-column strong {
    display: block;
    margin-bottom: 14px;
    color: var(--white);
    font-size: 0.77rem;
}

.footer-column a {
    display: block;
    width: fit-content;
    margin: 8px 0;
    color: #aebfca;
    font-size: 0.75rem;
    text-decoration: none;
}

.footer-column a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    margin-top: 48px;
    padding-top: 22px;
    border-top: 1px solid rgba(255,255,255,.1);
    font-size: 0.68rem;
}

.footer-bottom a {
    color: #c4d2da;
}

.company-legal {
    margin: 11px 0 0;
    color: #7f96a5;
    font-size: 0.64rem;
    font-weight: 500;
    line-height: 1.55;
}

/* Contact pages */
.contact-page .nav-links > a[aria-current="page"] {
    color: var(--blue);
}

.contact-page-main {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 87% 13%, rgba(23, 108, 164, 0.14), transparent 29%),
        linear-gradient(145deg, #f6f8f5 0%, #eef5f6 100%);
}

.contact-page-main::before {
    content: "";
    position: absolute;
    z-index: 0;
    inset: 0;
    opacity: 0.38;
    background-image:
        linear-gradient(rgba(18, 63, 97, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 63, 97, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, #000, transparent 88%);
    pointer-events: none;
}

.contact-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(520px, 1.18fr);
    align-items: start;
    gap: clamp(48px, 7vw, 88px);
    padding-top: clamp(62px, 7vw, 92px);
    padding-bottom: clamp(72px, 9vw, 120px);
}

.contact-copy {
    position: sticky;
    top: 124px;
    min-width: 0;
}

.contact-copy h1,
.contact-form-heading h2,
.contact-success-panel h1 {
    margin: 0;
    color: var(--navy-dark);
    font-family: var(--font-heading, "Segoe UI", sans-serif);
    font-weight: 800;
    letter-spacing: -0.045em;
    line-height: 1.04;
}

.contact-copy h1 {
    max-width: 570px;
    font-size: clamp(3rem, 5.4vw, 5rem);
}

.contact-lede {
    max-width: 610px;
    margin: 25px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.02rem, 1.45vw, 1.18rem);
    line-height: 1.7;
}

.contact-direct {
    margin: 19px 0 0;
    color: #526779;
    font-size: 0.88rem;
}

.contact-direct a {
    color: var(--blue);
    font-weight: 800;
    overflow-wrap: anywhere;
    text-underline-offset: 3px;
}

.contact-routes {
    display: grid;
    gap: 10px;
    margin-top: 36px;
}

.contact-routes > div {
    padding: 16px 18px;
    border: 1px solid rgba(185, 199, 207, 0.88);
    border-left: 4px solid var(--blue);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.68);
    backdrop-filter: blur(6px);
}

.contact-routes > div:nth-child(2),
.contact-routes > div:nth-child(3) {
    border-left-color: var(--teal);
}

.contact-routes span {
    display: block;
    color: var(--blue);
    font-family: var(--font-mono, monospace);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.contact-routes > div:nth-child(2) span,
.contact-routes > div:nth-child(3) span {
    color: var(--teal);
}

.contact-routes p {
    margin: 5px 0 0;
    color: #4d6272;
    font-size: 0.82rem;
}

.cf-contact-form-panel {
    min-width: 0;
    overflow: hidden;
    border: 1px solid #c5d3da;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.contact-form-heading {
    position: relative;
    padding: clamp(29px, 4vw, 42px) clamp(27px, 4vw, 44px) 28px;
    border-bottom: 1px solid #dce5e9;
    background: #f8faf9;
}

.contact-form-heading::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    width: 34%;
    height: 4px;
    background: linear-gradient(90deg, var(--blue), var(--teal));
}

.form-code {
    display: block;
    margin-bottom: 17px;
    color: #718695;
    font-family: var(--font-mono, monospace);
    font-size: 0.63rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.contact-form-heading .eyebrow {
    margin-bottom: 12px;
}

.contact-form-heading h2 {
    font-size: clamp(2rem, 3.6vw, 3.05rem);
}

.contact-form-heading > p:last-child {
    margin: 10px 0 0;
    color: #647785;
    font-size: 0.83rem;
}

.cf-contact-form {
    padding: 31px clamp(27px, 4vw, 44px) 40px;
}

.contact-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 18px;
}

.contact-field {
    min-width: 0;
}

.contact-field-wide {
    grid-column: 1 / -1;
}

.contact-field label,
.contact-label-row {
    color: var(--navy-dark);
    font-size: 0.82rem;
    font-weight: 800;
}

.contact-label-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
}

.contact-field .optional,
.character-count {
    color: #70818d;
    font-family: var(--font-mono, monospace);
    font-size: 0.65rem;
    font-weight: 400;
}

.contact-field input,
.contact-field select,
.contact-field textarea {
    display: block;
    width: 100%;
    margin-top: 7px;
    padding: 13px 14px;
    border: 1px solid #b9c8d0;
    border-radius: 9px;
    background: #fcfdfc;
    color: var(--ink);
    font: inherit;
    font-size: 0.95rem;
    line-height: 1.4;
    transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.contact-field input,
.contact-field select {
    min-height: 51px;
}

.contact-field textarea {
    min-height: 185px;
    resize: vertical;
}

.contact-field input:hover,
.contact-field select:hover,
.contact-field textarea:hover {
    border-color: #8299a7;
}

.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
    border-color: var(--blue);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(23, 108, 164, 0.12);
    outline: none;
}

.form-honeypot {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(1px, 1px, 1px, 1px) !important;
    white-space: nowrap !important;
}

.contact-privacy {
    max-width: 650px;
    margin: 22px 0 0;
    color: #657986;
    font-size: 0.75rem;
}

.contact-submit {
    width: 100%;
    margin-top: 21px;
}

.contact-submit[aria-disabled="true"] {
    cursor: wait;
    opacity: 0.72;
}

.contact-success-main {
    position: relative;
    display: grid;
    min-height: calc(100vh - 177px);
    place-items: center;
    overflow: hidden;
    padding: clamp(60px, 9vw, 110px) 20px;
    background:
        radial-gradient(circle at 68% 24%, rgba(23, 108, 164, 0.14), transparent 32%),
        var(--paper);
}

.contact-success-panel {
    width: min(100%, 760px);
    padding: clamp(38px, 7vw, 72px);
    border: 1px solid #c8d5dc;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.success-icon {
    display: grid;
    width: 62px;
    height: 62px;
    margin: 0 auto 20px;
    place-items: center;
    border-radius: 50%;
    background: var(--mint);
    color: var(--teal);
}

.success-icon svg {
    width: 29px;
}

.contact-success-panel .form-code {
    margin-bottom: 14px;
}

.contact-success-panel .eyebrow {
    margin-bottom: 16px;
}

.contact-success-panel h1 {
    font-size: clamp(2.35rem, 5vw, 4.2rem);
}

.contact-success-panel > p:not(.eyebrow) {
    max-width: 570px;
    margin: 22px auto 0;
    color: var(--ink-soft);
    font-size: 1rem;
}

.contact-success-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 31px;
}

.compact-footer {
    padding-top: 0;
}

.compact-footer .footer-bottom {
    margin-top: 0;
}

/* Primary-page interactive model explorer */
.explorer-section {
    position: relative;
    overflow: hidden;
    background: #eef3f2;
}

.explorer-section::before {
    content: "";
    position: absolute;
    top: 90px;
    left: calc(50% - 700px);
    width: 320px;
    height: 320px;
    border: 1px solid rgba(23, 108, 164, 0.1);
    border-radius: 50%;
    box-shadow: 0 0 0 60px rgba(23, 108, 164, 0.025);
}

.primary-explorer {
    position: relative;
    z-index: 2;
    overflow: hidden;
    border: 1px solid #c4d2d9;
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow-lg);
}

.primary-explorer-head {
    min-height: 57px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 23px;
    border-bottom: 1px solid #dce4e8;
    background: #f7f9f8;
    color: #557080;
    font-family: var(--font-mono, monospace);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.primary-live {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--teal);
    text-transform: uppercase;
}

.primary-live::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #28b58a;
    box-shadow: 0 0 0 5px rgba(40, 181, 138, 0.1);
}

.primary-explorer-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    min-height: 540px;
}

.primary-plot-panel {
    min-width: 0;
    padding: 28px 29px 24px;
    border-right: 1px solid #dce4e8;
}

.primary-plot-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.primary-plot-heading span,
.primary-plot-heading strong {
    display: block;
}

.primary-plot-heading span {
    color: #718593;
    font-size: 0.7rem;
}

.primary-plot-heading strong {
    margin-top: 3px;
    color: var(--navy-dark);
    font-size: 1.04rem;
}

.condition-state {
    min-width: max-content;
    padding: 7px 11px;
    border-radius: 999px;
    background: var(--amber-pale);
    color: #8a5a08;
    font-size: 0.66rem;
    font-weight: 800;
}

.primary-explorer.is-separated .condition-state {
    background: var(--mint);
    color: var(--teal);
}

.primary-chart {
    position: relative;
    height: 360px;
    margin-top: 21px;
    overflow: hidden;
    border: 1px solid #dce5e9;
    border-radius: 13px;
    background-color: #fbfdfc;
    background-image: linear-gradient(rgba(18, 63, 97, 0.055) 1px, transparent 1px), linear-gradient(90deg, rgba(18, 63, 97, 0.055) 1px, transparent 1px);
    background-size: 52px 52px;
}

.primary-chart::after {
    content: "Retention time / min";
    position: absolute;
    right: 18px;
    bottom: 10px;
    color: #758997;
    font-size: 0.59rem;
}

.primary-chart svg {
    position: absolute;
    inset: 25px 15px 31px;
    width: calc(100% - 30px);
    height: calc(100% - 56px);
    overflow: visible;
}

.primary-chart-fill {
    fill: rgba(23, 108, 164, 0.1);
    transition: fill 220ms ease;
}

.primary-chart-path {
    fill: none;
    stroke: var(--blue);
    stroke-width: 2.5;
    vector-effect: non-scaling-stroke;
    filter: drop-shadow(0 3px 6px rgba(23, 108, 164, 0.16));
    transition: stroke 220ms ease;
}

.primary-explorer.is-separated .primary-chart-path {
    stroke: var(--teal);
}

.primary-explorer.is-separated .primary-chart-fill {
    fill: rgba(15, 118, 110, 0.1);
}

.primary-peak-label {
    position: absolute;
    z-index: 3;
    top: var(--top);
    left: var(--left);
    padding: 2px 5px;
    border-radius: 4px;
    background: rgba(251, 253, 252, 0.86);
    color: #547080;
    font-family: var(--font-mono, monospace);
    font-size: 0.58rem;
    font-weight: 800;
    transform: translateX(-50%);
    transition: left 260ms ease, top 260ms ease, color 220ms ease;
}

.primary-peak-label.critical-left {
    transform: translateX(-105%);
}

.primary-peak-label.critical-right {
    transform: translateX(5%);
}

.primary-explorer.is-separated .primary-peak-label.critical-left,
.primary-explorer.is-separated .primary-peak-label.critical-right {
    color: var(--teal);
}

.primary-critical-zone {
    position: absolute;
    z-index: 2;
    top: 33px;
    bottom: 36px;
    left: var(--zone-left);
    width: var(--zone-width);
    min-width: 24px;
    border: 1px dashed rgba(218, 145, 26, 0.62);
    border-radius: 8px;
    background: rgba(255, 242, 206, 0.18);
    transform: translateX(-50%);
    transition: left 260ms ease, width 260ms ease, border-color 220ms ease, background 220ms ease;
    pointer-events: none;
}

.primary-critical-zone::before {
    content: attr(data-zone-label);
    position: absolute;
    top: 7px;
    left: 50%;
    min-width: max-content;
    color: #9a6813;
    font-family: var(--font-mono, monospace);
    font-size: 0.54rem;
    font-weight: 800;
    transform: translateX(-50%);
}

.primary-explorer.is-separated .primary-critical-zone {
    border-color: rgba(15, 118, 110, 0.5);
    background: rgba(223, 244, 238, 0.2);
}

.primary-explorer.is-separated .primary-critical-zone::before {
    color: var(--teal);
}

.primary-critical-zone.is-passing {
    border-color: rgba(15, 118, 110, 0.5);
    background: rgba(223, 244, 238, 0.2);
}

.primary-critical-zone.is-passing::before {
    color: var(--teal);
}

.primary-axis-labels {
    position: absolute;
    right: 18px;
    bottom: 9px;
    left: 18px;
    display: flex;
    justify-content: space-between;
    padding-right: 90px;
    color: #80929d;
    font-family: var(--font-mono, monospace);
    font-size: 0.55rem;
}

.primary-plot-note {
    margin: 12px 2px 0;
    color: #6d818e;
    font-size: 0.68rem;
}

.primary-control-panel {
    display: flex;
    min-width: 0;
    flex-direction: column;
    padding: 28px 25px 24px;
    background: #f7f9f8;
}

.primary-control-panel h3 {
    margin: 0;
    color: var(--navy-dark);
    font-size: 1rem;
}

.primary-control-intro {
    margin: 7px 0 22px;
    color: #6b7e8b;
    font-size: 0.72rem;
}

.primary-control-list {
    display: grid;
    gap: 22px;
}

.primary-control-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 15px;
}

.primary-control-row label {
    color: #516b7b;
    font-size: 0.72rem;
    font-weight: 700;
}

.primary-control-row output {
    color: var(--navy-dark);
    font-family: var(--font-mono, monospace);
    font-size: 0.7rem;
    font-weight: 800;
}

.primary-control-row input[type="range"] {
    grid-column: 1 / -1;
    width: 100%;
    height: 4px;
    margin: 2px 0 0;
    accent-color: var(--blue);
}

.primary-explorer.is-separated .primary-control-row input[type="range"] {
    accent-color: var(--teal);
}

.primary-reset {
    align-self: flex-start;
    min-height: 44px;
    margin-top: 22px;
    padding: 7px 11px;
    border: 1px solid #c4d2d9;
    border-radius: 999px;
    background: var(--white);
    color: var(--navy);
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 800;
}

.primary-reset:hover {
    border-color: var(--blue);
}

.primary-preset {
    min-height: 44px;
    padding: 7px 11px;
    border: 1px solid var(--navy);
    border-radius: 999px;
    background: var(--navy);
    color: var(--white);
    cursor: pointer;
    font-size: 0.68rem;
    font-weight: 800;
}

.primary-preset:hover {
    background: var(--navy-dark);
}

.primary-results {
    display: grid;
    gap: 9px;
    margin-top: auto;
    padding-top: 25px;
}

.primary-result {
    padding: 13px 14px;
    border: 1px solid #d8e1e5;
    border-radius: 10px;
    background: var(--white);
}

.primary-result span,
.primary-result strong {
    display: block;
}

.primary-result span {
    color: #758994;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.primary-result strong {
    margin-top: 4px;
    color: var(--navy-dark);
    font-family: var(--font-mono, monospace);
    font-size: 0.82rem;
}

.resolution-readout {
    border-color: #edcf94;
    background: #fffaf0;
}

.resolution-readout strong {
    color: #9a6813;
}

.primary-explorer.is-separated .resolution-readout {
    border-color: #9cd2c5;
    background: var(--mint);
}

.primary-explorer.is-separated .resolution-readout strong {
    color: var(--teal);
}

.resolution-readout.is-passing {
    border-color: #9cd2c5;
    background: var(--mint);
}

.resolution-readout.is-passing strong {
    color: var(--teal);
}

.primary-explorer.is-separated .acceptance-readout {
    border-color: #9cd2c5;
    background: var(--mint);
}

.primary-explorer.is-separated .acceptance-readout strong {
    color: var(--teal);
}

.acceptance-readout {
    grid-column: 1 / -1;
}

.primary-result-message {
    min-height: 40px;
    margin: 0;
    color: #7b5a1e;
    font-size: 0.68rem;
    font-weight: 700;
}

.primary-explorer.is-separated .primary-result-message {
    color: var(--teal);
}

.hero-explorer {
    width: 100%;
    align-self: center;
    border-radius: 18px;
}

.hero-explorer .primary-explorer-head {
    min-height: 49px;
    padding-inline: 17px;
    font-size: 0.57rem;
}

.hero-explorer .primary-explorer-body {
    display: block;
    min-height: 0;
}

.hero-explorer .primary-plot-panel {
    padding: 17px 18px 14px;
    border-right: 0;
    border-bottom: 1px solid #dce4e8;
}

.hero-explorer .primary-plot-heading span {
    font-size: 0.6rem;
}

.hero-explorer .primary-plot-heading strong {
    font-size: 0.86rem;
}

.hero-explorer .condition-state {
    padding: 6px 9px;
    font-size: 0.56rem;
}

.hero-explorer .primary-chart {
    height: 230px;
    margin-top: 13px;
    background-size: 39px 39px;
}

.hero-explorer .primary-chart svg {
    inset: 21px 12px 27px;
    width: calc(100% - 24px);
    height: calc(100% - 48px);
}

.hero-explorer .primary-critical-zone {
    top: 27px;
    bottom: 31px;
}

.hero-explorer .primary-critical-zone::before {
    content: attr(data-zone-label);
    top: 5px;
    font-size: 0.45rem;
}

.hero-explorer .primary-peak-label {
    font-size: 0.49rem;
}

.hero-explorer .primary-axis-labels {
    font-size: 0.48rem;
}

.hero-explorer .primary-control-panel {
    display: block;
    padding: 16px 18px 14px;
}

.primary-control-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 15px;
}

.hero-explorer .primary-control-panel h3 {
    font-size: 0.83rem;
}

.hero-explorer .primary-control-intro {
    margin: 3px 0 0;
    font-size: 0.61rem;
}

.primary-action-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 6px;
}

.hero-explorer .primary-reset,
.hero-explorer .primary-preset {
    margin-top: 0;
    padding: 6px 9px;
    font-size: 0.57rem;
}

.hero-explorer .primary-control-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 13px;
    margin-top: 14px;
}

.hero-explorer .primary-control-row {
    gap: 5px 8px;
}

.hero-explorer .primary-control-row label,
.hero-explorer .primary-control-row output {
    font-size: 0.57rem;
}

.hero-explorer .primary-results {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
    margin-top: 13px;
    padding-top: 0;
}

.hero-explorer .primary-result {
    padding: 9px 10px;
}

.hero-explorer .primary-result span {
    font-size: 0.48rem;
}

.hero-explorer .primary-result strong {
    margin-top: 2px;
    font-size: 0.68rem;
}

.hero-explorer .primary-result-message {
    grid-column: 1 / -1;
    min-height: 0;
    font-size: 0.58rem;
}

.hero-explorer .primary-plot-note {
    margin: 9px 0 0;
    font-size: 0.53rem;
}

/* Alternative concept page */
.concept-page {
    --cream: #f4f0e6;
    --acid: #c9f970;
    --coral: #ff765d;
    --concept-blue: #78c9ff;
    background: #07151f;
    color: #e9f0f2;
}

.concept-page .skip-link {
    background: var(--acid);
    color: #07151f;
}

.concept-header {
    position: absolute;
    z-index: 20;
    top: 0;
    left: 0;
    right: 0;
    border-bottom: 1px solid rgba(255,255,255,.14);
}

.concept-header .nav-wrap {
    min-height: 88px;
}

.concept-header .wordmark {
    color: #f2f7f8;
}

.concept-header .wordmark span {
    color: #9fb2bd;
}

.concept-header .nav-links > a {
    color: #bdd0da;
}

.concept-header .nav-links > a:hover {
    color: var(--acid);
}

.concept-header .button.secondary {
    border-color: rgba(255,255,255,.32);
    color: #f4f8fa;
}

.concept-header .button.secondary:hover {
    background: rgba(255,255,255,.08);
}

.concept-header .button {
    background: var(--acid);
    color: #07151f;
}

.concept-header .menu-button {
    border-color: rgba(255,255,255,.35);
    color: var(--white);
}

.concept-hero {
    position: relative;
    min-height: 840px;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 160px 0 84px;
    background: #07151f;
}

.concept-gridlines {
    position: absolute;
    inset: 0;
    opacity: 0.19;
    background-image: linear-gradient(rgba(120,201,255,.24) 1px, transparent 1px), linear-gradient(90deg, rgba(120,201,255,.24) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 90%);
}

.concept-orbit {
    position: absolute;
    top: 50%;
    left: 71%;
    width: min(58vw, 820px);
    aspect-ratio: 1;
    border: 1px solid rgba(120, 201, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 90px rgba(120,201,255,.025), 0 0 0 180px rgba(120,201,255,.018);
}

.concept-hero .shell {
    position: relative;
    z-index: 2;
}

.concept-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(500px, 1.1fr);
    gap: 56px;
    align-items: center;
}

.concept-kicker {
    display: flex;
    align-items: center;
    gap: 13px;
    margin: 0 0 24px;
    color: var(--acid);
    font-family: var(--font-mono, monospace);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.concept-kicker::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 0 7px rgba(201,249,112,.1);
}

.concept-hero h1 {
    color: #f2f6f7;
    font-size: clamp(3.4rem, 6.2vw, 6.5rem);
    line-height: 0.94;
}

.concept-hero h1 em {
    color: var(--acid);
    font-style: normal;
}

.concept-lede {
    max-width: 610px;
    margin: 27px 0 0;
    color: #acc0ca;
    font-size: clamp(1.03rem, 1.6vw, 1.22rem);
}

.concept-page .hero-actions .button {
    background: var(--acid);
    color: #07151f;
}

.concept-page .hero-actions .button.secondary {
    border-color: rgba(255,255,255,.3);
    background: transparent;
    color: #f1f7f9;
}

.concept-statline {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 34px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,.14);
}

.concept-statline div {
    min-width: 120px;
}

.concept-statline strong,
.concept-statline span {
    display: block;
}

.concept-statline strong {
    color: #f2f7f8;
    font-size: 1.08rem;
}

.concept-statline span {
    margin-top: 2px;
    color: #8199a6;
    font-size: 0.64rem;
    text-transform: uppercase;
}

.model-lab {
    overflow: hidden;
    border: 1px solid rgba(170,218,242,.24);
    border-radius: 18px;
    background: rgba(8, 30, 45, 0.88);
    box-shadow: 0 35px 90px rgba(0,0,0,.4);
}

.model-lab-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 18px;
    border-bottom: 1px solid rgba(255,255,255,.12);
    color: #8ba3b0;
    font-family: var(--font-mono, monospace);
    font-size: 0.64rem;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--acid);
}

.live-indicator::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--acid);
}

.model-lab-body {
    padding: 22px;
}

.model-chart {
    position: relative;
    height: 280px;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,.18);
    background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
    background-size: 40px 40px;
}

.model-chart svg {
    position: absolute;
    inset: 18px 4px 0;
    width: calc(100% - 8px);
    height: calc(100% - 18px);
    overflow: visible;
}

.model-chart-path {
    fill: none;
    stroke: var(--concept-blue);
    stroke-width: 2.2;
    vector-effect: non-scaling-stroke;
    filter: drop-shadow(0 0 8px rgba(120,201,255,.55));
    transition: d 280ms ease;
}

.model-chart-fill {
    fill: rgba(120,201,255,.09);
    transition: d 280ms ease;
}

.peak-labels span {
    position: absolute;
    top: var(--top);
    left: var(--left);
    color: #a9bfca;
    font-family: var(--font-mono, monospace);
    font-size: 0.54rem;
    transition: left 280ms ease, top 280ms ease;
}

.model-controls {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 21px;
}

.model-control label,
.model-control output {
    display: block;
}

.model-control label {
    color: #9ab0bb;
    font-size: 0.63rem;
}

.model-control output {
    margin-top: 3px;
    color: #edf4f6;
    font-family: var(--font-mono, monospace);
    font-size: 0.78rem;
}

.model-control input[type="range"] {
    width: 100%;
    height: 3px;
    margin-top: 12px;
    accent-color: var(--acid);
}

.model-results {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
    margin-top: 21px;
}

.model-result {
    padding: 13px;
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 9px;
    background: rgba(255,255,255,.035);
}

.model-result span,
.model-result strong {
    display: block;
}

.model-result span {
    color: #7e98a5;
    font-size: 0.56rem;
    text-transform: uppercase;
}

.model-result strong {
    margin-top: 4px;
    color: #f4f8f9;
    font-family: var(--font-mono, monospace);
    font-size: 0.78rem;
}

.model-result strong.good {
    color: var(--acid);
}

.model-caption {
    margin: 13px 0 0;
    color: #708995;
    font-size: 0.6rem;
}

.concept-ticker {
    overflow: hidden;
    border-block: 1px solid rgba(255,255,255,.12);
    background: var(--acid);
    color: #07151f;
}

.ticker-track {
    width: max-content;
    padding: 13px 0;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    animation: ticker 28s linear infinite;
}

.ticker-track span {
    margin: 0 28px;
}

@keyframes ticker {
    to { transform: translateX(-50%); }
}

.concept-section {
    padding: 110px 0;
}

.concept-section.cream {
    background: var(--cream);
    color: #12202f;
}

.concept-section.cream h2 {
    color: #0a2b41;
}

.concept-section .section-heading {
    margin-bottom: 58px;
}

.concept-section .section-heading > p {
    color: #536573;
}

.concept-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border: 1px solid #bcc7c7;
}

.concept-step {
    position: relative;
    min-height: 340px;
    padding: 27px;
    border-right: 1px solid #bcc7c7;
}

.concept-step:last-child {
    border-right: 0;
}

.concept-step-no {
    color: #63767d;
    font-family: var(--font-mono, monospace);
    font-size: 0.68rem;
}

.concept-step-icon {
    display: flex;
    width: 65px;
    height: 65px;
    align-items: center;
    justify-content: center;
    margin: 60px 0 24px;
    border: 1px solid #8aa4ad;
    border-radius: 50%;
    color: #0d668c;
}

.concept-step-icon svg {
    width: 28px;
}

.concept-step h3 {
    margin: 0 0 10px;
    color: #092e45;
    font-size: 1.16rem;
}

.concept-step p {
    margin: 0;
    color: #536771;
    font-size: 0.81rem;
}

.method-space {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.method-space h2 {
    color: #f1f6f8;
}

.method-space-copy > p:not(.concept-kicker) {
    color: #9bb0ba;
}

.space-list {
    display: grid;
    gap: 14px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.space-list li {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: #dce8ed;
    font-size: 0.88rem;
}

.space-list li::before {
    content: "+";
    color: var(--acid);
    font-family: var(--font-mono, monospace);
    font-weight: 800;
}

.contour-card {
    position: relative;
    min-height: 520px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 50%;
    background: #0a2232;
    box-shadow: inset 0 0 80px rgba(120,201,255,.08);
}

.contour-ring {
    position: absolute;
    left: 50%;
    top: 50%;
    width: var(--size);
    height: calc(var(--size) * .68);
    border: 1px solid var(--colour);
    border-radius: 46% 54% 41% 59% / 55% 37% 63% 45%;
    transform: translate(-50%, -50%) rotate(var(--rotate));
    box-shadow: 0 0 22px color-mix(in srgb, var(--colour) 20%, transparent);
}

.contour-safe {
    position: absolute;
    left: 53%;
    top: 49%;
    width: 33%;
    height: 25%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(201,249,112,.7);
    border-radius: 44% 56% 53% 47% / 45% 43% 57% 55%;
    background: rgba(201,249,112,.12);
    color: var(--acid);
    font-family: var(--font-mono, monospace);
    font-size: 0.64rem;
    letter-spacing: 0.06em;
    transform: translate(-50%, -50%) rotate(-7deg);
}

.axis-label {
    position: absolute;
    color: #78909c;
    font-family: var(--font-mono, monospace);
    font-size: 0.58rem;
    text-transform: uppercase;
}

.concept-proof {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    margin-top: 74px;
    background: rgba(255,255,255,.14);
}

.concept-proof div {
    min-height: 160px;
    padding: 28px;
    background: #07151f;
}

.concept-proof strong,
.concept-proof span {
    display: block;
}

.concept-proof strong {
    color: var(--acid);
    font-size: 1.6rem;
}

.concept-proof span {
    max-width: 245px;
    margin-top: 7px;
    color: #8fa6b1;
    font-size: 0.76rem;
}

.concept-data {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 70px;
    align-items: center;
}

.concept-data h2 {
    color: #0a2b41;
}

.privacy-manifesto {
    display: grid;
    gap: 9px;
}

.privacy-row {
    display: grid;
    grid-template-columns: 54px 1fr auto;
    align-items: center;
    gap: 18px;
    padding: 17px 0;
    border-bottom: 1px solid #c7cfcd;
}

.privacy-row-no {
    color: #6b7c80;
    font-family: var(--font-mono, monospace);
    font-size: 0.65rem;
}

.privacy-row strong,
.privacy-row span {
    display: block;
}

.privacy-row strong {
    color: #0a2b41;
    font-size: 0.94rem;
}

.privacy-row span {
    color: #5a6d75;
    font-size: 0.74rem;
}

.privacy-status {
    padding: 5px 8px;
    border-radius: 999px;
    background: #dcefcf;
    color: #386329;
    font-family: var(--font-mono, monospace);
    font-size: 0.58rem;
    font-weight: 800;
}

.concept-resource-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1px;
    border: 1px solid rgba(255,255,255,.15);
    background: rgba(255,255,255,.15);
}

.concept-resource-main,
.concept-resource-list a {
    background: #07151f;
}

.concept-resource-main {
    min-height: 480px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 42px;
    text-decoration: none;
}

.concept-resource-main .doc-code {
    color: var(--acid);
}

.concept-resource-main h3 {
    max-width: 470px;
    margin: 18px 0 12px;
    color: #f1f6f7;
    font-size: 2.1rem;
    line-height: 1.1;
}

.concept-resource-main p {
    max-width: 520px;
    margin: 0;
    color: #91a8b3;
}

.concept-resource-list {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 1px;
}

.concept-resource-list a {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 34px;
    text-decoration: none;
}

.concept-resource-list a:hover,
.concept-resource-main:hover {
    background: #0b2030;
}

.concept-resource-list h3 {
    max-width: 350px;
    margin: 16px 0;
    color: #eff5f7;
    font-size: 1.3rem;
}

.resource-arrow {
    align-self: flex-end;
    color: var(--acid);
    font-size: 1.4rem;
}

.concept-cta {
    position: relative;
    overflow: hidden;
    padding: 120px 0;
    background: var(--acid);
    color: #07151f;
}

.concept-cta::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 780px;
    height: 780px;
    border: 1px solid rgba(7,21,31,.14);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 100px rgba(7,21,31,.035), 0 0 0 200px rgba(7,21,31,.025);
}

.concept-cta .shell {
    position: relative;
    z-index: 2;
    text-align: center;
}

.concept-cta h2 {
    max-width: 900px;
    margin: 0 auto;
    color: #07151f;
    font-size: clamp(3rem, 6vw, 6rem);
    line-height: 0.96;
}

.concept-cta p {
    max-width: 620px;
    margin: 24px auto 0;
    color: #2b432f;
}

.concept-cta .hero-actions {
    justify-content: center;
}

.concept-cta .button {
    background: #07151f;
    color: #f1f7f8;
}

.concept-cta .button.secondary {
    border-color: rgba(7,21,31,.45);
    color: #07151f;
}

.concept-page .site-footer {
    background: #050f16;
}

.concept-alt-link {
    color: var(--acid) !important;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 1220px) {
    .site-header .nav-wrap,
    .concept-header .nav-wrap { min-height: 68px; }
    .menu-button { display: inline-flex; }
    .nav-links {
        position: fixed;
        z-index: 90;
        inset: 68px 0 auto;
        display: none;
        max-height: calc(100vh - 68px);
        overflow-y: auto;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 19px 20px 27px;
        border-bottom: 1px solid var(--line);
        background: var(--paper);
    }
    .nav-links.open { display: flex; }
    .nav-links > a {
        min-height: 44px;
        padding: 14px 6px;
        border-bottom: 1px solid var(--line);
    }
    .nav-links .mobile-only { display: flex; margin-top: 13px; }
    .nav-links > .button:not(.secondary) { color: var(--white); }
    .nav-actions { margin-left: auto; }
    .nav-actions .secondary { display: none; }
    .nav-actions .button:not(.secondary) { display: none; }
    .concept-header .nav-links { background: #07151f; border-color: rgba(255,255,255,.15); }
    .concept-header .nav-links > a { border-color: rgba(255,255,255,.12); }
}

@media (max-width: 1180px) {
    .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .price-card > p { min-height: 51px; }
}

@media (max-width: 1050px) {
    .hero-grid,
    .concept-hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .hero-copy,
    .concept-hero-copy {
        max-width: 780px;
    }
    .product-window,
    .model-lab {
        max-width: 760px;
    }
    .proof-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .proof-intro {
        grid-column: 1 / -1;
        min-height: auto;
        justify-content: center;
        padding-bottom: 13px;
        text-align: center;
    }
    .proof-item:first-of-type { border-left: 0; }
    .concept-steps { grid-template-columns: repeat(2, 1fr); }
    .concept-step:nth-child(2) { border-right: 0; }
    .concept-step:nth-child(-n+2) { border-bottom: 1px solid #bcc7c7; }
    .method-space { gap: 45px; }
}

@media (max-width: 840px) {
    :root { --page: min(100% - 30px, 720px); }
    .announcement a,
    .site-header .wordmark {
        display: inline-flex;
        min-height: 44px;
        align-items: center;
    }
    .hero { padding-top: 60px; }
    .hero-grid,
    .concept-hero-grid { gap: 42px; }
    .hero h1 { font-size: clamp(2.7rem, 10vw, 4.6rem); }
    .hero-proof { padding-bottom: 44px; }
    .section { padding: 75px 0; }
    .section-heading,
    .workflow,
    .regulatory-panel,
    .security-grid,
    .cta-panel,
    .contact-shell,
    .method-space,
    .concept-data {
        grid-template-columns: minmax(0, 1fr);
    }
    .section-heading { gap: 20px; }
    .feature-grid,
    .docs-grid,
    .pricing-grid { grid-template-columns: 1fr; }
    .primary-explorer-body { grid-template-columns: minmax(0, 1fr); }
    .primary-plot-panel { border-right: 0; border-bottom: 1px solid #dce4e8; }
    .primary-control-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .primary-results { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 0; }
    .primary-result-message { grid-column: 1 / -1; min-height: 0; }
    .feature-card { min-height: 225px; }
    .workflow { gap: 42px; }
    .workflow-copy { position: static; }
    .regulatory-copy { padding: 48px 34px; }
    .doe-visual { min-height: 470px; }
    .security-grid { gap: 45px; }
    .docs-grid { max-width: 610px; margin-inline: auto; }
    .doc-card { min-height: 245px; }
    .pricing-grid { max-width: 580px; margin-inline: auto; }
    .price-card { min-height: 420px; }
    .cta-panel { padding: 45px 35px; }
    .cta-panel .hero-actions { margin-top: 0; }
    .footer-grid { grid-template-columns: 1.3fr repeat(2, 1fr); }
    .footer-brand { grid-column: 1 / -1; }
    .footer-brand .wordmark { min-height: 44px; }
    .footer-column a {
        display: inline-flex;
        min-width: 44px;
        min-height: 44px;
        align-items: center;
        margin: 0;
    }
    .contact-copy { position: static; }
    .contact-routes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .concept-hero { min-height: auto; padding-top: 130px; }
    .concept-hero h1 { font-size: clamp(3.2rem, 12vw, 5.7rem); }
    .concept-orbit { left: 62%; width: 820px; }
    .concept-section { padding: 85px 0; }
    .method-space { gap: 55px; }
    .concept-resource-grid { grid-template-columns: 1fr; }
    .concept-resource-main { min-height: 380px; }
}

@media (min-width: 1221px) {
    .mobile-only { display: none !important; }
}

@media (max-width: 620px) {
    :root { --page: calc(100% - 24px); }
    .announcement .shell { padding: 7px 0; }
    .announcement .shell { flex-wrap: wrap; gap: 2px 8px; }
    .announcement-dot { display: none; }
    .wordmark img { width: 37px; height: 37px; }
    .wordmark strong { font-size: 0.92rem; }
    .hero { padding: 48px 0 30px; }
    .hero::before { display: none; }
    .hero h1 { font-size: clamp(2.55rem, 13.5vw, 3.75rem); }
    .hero-lede { font-size: 1rem; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .hero-actions .button { width: 100%; }
    .window-body { grid-template-columns: 1fr; min-height: auto; }
    .window-sidebar { display: none; }
    .window-main { padding: 16px 12px 13px; }
    .chrom-chart { height: 165px; }
    .chart-footer { grid-template-columns: 1fr 1fr; }
    .metric-box:last-child { display: none; }
    .proof-grid { grid-template-columns: 1fr; }
    .proof-intro { padding: 22px 10px 13px; }
    .proof-item { min-height: auto; padding: 21px 16px; border-left: 0; border-top: 1px solid var(--line); text-align: center; }
    .section,
    .concept-section { padding: 66px 0; }
    .section-heading h2,
    .split-copy h2,
    .cta-panel h2,
    .concept-section h2 { font-size: 2.35rem; }
    .feature-card { padding: 23px; }
    .primary-explorer { border-radius: 17px; }
    .primary-explorer-head { min-height: 52px; padding: 0 14px; font-size: 0.56rem; }
    .primary-plot-panel { padding: 22px 14px 18px; }
    .primary-plot-heading { align-items: flex-start; }
    .primary-chart { height: 285px; }
    .primary-critical-zone::before { content: attr(data-zone-label); font-size: 0.43rem; }
    .primary-control-panel { padding: 23px 18px; }
    .primary-control-list { grid-template-columns: 1fr; gap: 18px; }
    .primary-results { grid-template-columns: 1fr 1fr; }
    .acceptance-readout { grid-column: 1 / -1; }
    .hero-explorer .primary-control-list { grid-template-columns: 1fr; gap: 14px; }
    .hero-explorer .primary-results { grid-template-columns: 1fr 1fr; }
    .hero-explorer .acceptance-readout { grid-column: 1 / -1; }
    .workflow-step { grid-template-columns: 45px 1fr; gap: 15px; }
    .workflow-step::before { width: 45px; height: 45px; }
    .workflow-step::after { left: 22px; top: 46px; }
    .regulatory-panel { border-radius: 21px; }
    .regulatory-copy { padding: 39px 23px; }
    .doe-visual { min-height: 390px; }
    .doe-axis { width: 235px; height: 235px; }
    .data-map { padding: 22px 15px; }
    .data-lane { grid-template-columns: 1fr 42px 1fr; gap: 7px; }
    .data-lane-card { padding: 11px; }
    .data-lane-card strong { font-size: 0.71rem; }
    .data-lane-card span { font-size: 0.6rem; }
    .data-arrow { font-size: 0.5rem; }
    .price-card { min-height: 0; padding: 25px; }
    .cta-section { padding-bottom: 70px; }
    .cta-panel { padding: 36px 23px; border-radius: 21px; }
    .cta-panel .hero-actions { width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 35px 22px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
    .contact-shell { padding-top: 52px; padding-bottom: 72px; }
    .contact-copy h1 { font-size: clamp(2.65rem, 12vw, 4rem); }
    .contact-routes { grid-template-columns: 1fr; }
    .contact-form-heading { padding: 28px 23px 24px; }
    .cf-contact-form { padding: 27px 23px 32px; }
    .contact-form-grid { grid-template-columns: 1fr; }
    .contact-field-wide { grid-column: auto; }
    .contact-success-actions { align-items: stretch; flex-direction: column; }
    .contact-success-actions .button { width: 100%; }
    .concept-hero { padding: 118px 0 60px; }
    .concept-hero h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
    .concept-statline { display: grid; grid-template-columns: 1fr 1fr; }
    .model-lab-body { padding: 15px; }
    .model-chart { height: 215px; }
    .model-controls { grid-template-columns: 1fr; }
    .model-results { grid-template-columns: 1fr 1fr; }
    .model-result:last-child { display: none; }
    .concept-steps { grid-template-columns: 1fr; }
    .concept-step,
    .concept-step:nth-child(2) { min-height: 270px; border-right: 0; border-bottom: 1px solid #bcc7c7; }
    .concept-step:last-child { border-bottom: 0; }
    .concept-step-icon { margin-top: 35px; }
    .contour-card { min-height: 350px; }
    .concept-proof { grid-template-columns: 1fr; }
    .concept-proof div { min-height: 125px; }
    .privacy-row { grid-template-columns: 36px 1fr; }
    .privacy-status { grid-column: 2; width: fit-content; }
    .concept-resource-main { min-height: 330px; padding: 28px; }
    .concept-resource-main h3 { font-size: 1.65rem; }
    .concept-resource-list a { min-height: 240px; padding: 28px; }
    .concept-cta { padding: 85px 0; }
    .concept-cta h2 { font-size: clamp(3rem, 14vw, 4.5rem); }
}