:root {
    --navy: #0b1d3a;
    --blue: #132c55;
    --teal: #0fa3a3;
    --cyan: #22c1d6;
    --mist: #e6e9ee;
    --paper: #f4f6f8;
    --white: #ffffff;
    --ink: #12213a;
    --muted: #617085;
    --line: rgba(11, 29, 58, 0.12);
    --shadow: 0 28px 80px rgba(11, 29, 58, 0.13);
    --shadow-soft: 0 14px 40px rgba(11, 29, 58, 0.08);
    --radius-lg: 30px;
    --radius-md: 20px;
    --radius-sm: 14px;
    --container: 1180px;
    --header-height: 86px;
    --font-heading: "Cormorant Garamond", Garamond, Georgia, serif;
    --font-body: Inter, "Segoe UI", Arial, sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.nav-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

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

.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    transform: translateY(-180%);
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--navy);
    color: var(--white);
    text-decoration: none;
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(18px);
    transition:
        box-shadow 180ms ease,
        border-color 180ms ease,
        background 180ms ease;
}

.site-header.is-scrolled {
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 12px 34px rgba(11, 29, 58, 0.07);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 28px;
}

.brand {
    display: inline-flex;
    width: 266px;
    flex: 0 0 auto;
}

.brand img {
    width: 100%;
    height: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    color: var(--blue);
    font-size: 14px;
    font-weight: 600;
}

.main-nav a {
    position: relative;
    text-decoration: none;
}

.main-nav a:not(.nav-cta)::after {
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--teal), var(--cyan));
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-cta {
    padding: 11px 17px;
    border: 1px solid rgba(11, 29, 58, 0.18);
    border-radius: 999px;
    transition:
        color 180ms ease,
        background 180ms ease,
        border-color 180ms ease;
}

.nav-cta:hover,
.nav-cta:focus-visible {
    border-color: var(--navy);
    background: var(--navy);
    color: var(--white);
}

.nav-toggle {
    display: none;
    align-items: center;
    gap: 10px;
    border: 0;
    background: transparent;
    color: var(--navy);
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
    width: 24px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 180ms ease;
}

.nav-toggle-lines {
    position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
    position: absolute;
    left: 0;
    content: "";
}

.nav-toggle-lines::before {
    top: -7px;
}

.nav-toggle-lines::after {
    top: 7px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after {
    top: 0;
    transform: rotate(-45deg);
}

.hero {
    position: relative;
    min-height: calc(100vh - var(--header-height));
    overflow: hidden;
    background:
        radial-gradient(circle at 88% 18%, rgba(34, 193, 214, 0.13), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero::before {
    position: absolute;
    top: 12%;
    left: -8%;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(15, 163, 163, 0.11);
    border-radius: 50%;
    content: "";
}

.hero-grid {
    position: absolute;
    inset: 0;
    opacity: 0.34;
    background-image:
        linear-gradient(rgba(11, 29, 58, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(11, 29, 58, 0.04) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(to right, transparent, black 18%, black 85%, transparent);
}

.hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 0.94fr) minmax(520px, 1.06fr);
    align-items: center;
    gap: 64px;
    min-height: calc(100vh - var(--header-height));
    padding-block: 74px 84px;
}

.hero-copy {
    max-width: 650px;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 20px;
    color: var(--teal);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    line-height: 1.4;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 34px;
    height: 2px;
    background: linear-gradient(90deg, var(--blue), var(--teal));
    content: "";
}

.eyebrow-light {
    color: var(--cyan);
}

.eyebrow-light::before {
    background: var(--cyan);
}

.hero h1,
.section-heading h2,
.architecture-panel h2 {
    margin: 0;
    color: var(--navy);
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.032em;
    line-height: 0.98;
}

.hero h1 {
    max-width: 760px;
    font-size: clamp(54px, 6.6vw, 88px);
}

.hero h1 span {
    display: block;
    margin-top: 8px;
    color: var(--teal);
}

.hero-lead {
    max-width: 630px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: 19px;
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 36px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 12px 22px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 800;
    text-decoration: none;
    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        border-color 180ms ease,
        background 180ms ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    background: linear-gradient(135deg, var(--navy), var(--blue));
    color: var(--white);
    box-shadow: 0 14px 30px rgba(11, 29, 58, 0.18);
}

.button-primary:hover,
.button-primary:focus-visible {
    box-shadow: 0 18px 40px rgba(11, 29, 58, 0.24);
}

.button-secondary {
    border-color: rgba(11, 29, 58, 0.18);
    background: rgba(255, 255, 255, 0.75);
    color: var(--navy);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: var(--teal);
    background: var(--white);
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
    margin: 30px 0 0;
    padding: 0;
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
    list-style: none;
}

.hero-points li {
    display: flex;
    align-items: center;
    gap: 9px;
}

.hero-points li::before {
    width: 7px;
    height: 7px;
    border: 2px solid var(--teal);
    border-radius: 50%;
    content: "";
}

.hero-product {
    position: relative;
}

.product-shell {
    position: relative;
    z-index: 2;
    overflow: hidden;
    border: 1px solid rgba(11, 29, 58, 0.1);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow);
}

.product-shell::after {
    position: absolute;
    top: -90px;
    right: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(34, 193, 214, 0.12);
    content: "";
    filter: blur(6px);
}

.product-topbar {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding: 25px 28px 21px;
    border-bottom: 1px solid var(--line);
}

.product-topbar > div {
    display: grid;
    gap: 3px;
}

.product-topbar strong {
    color: var(--navy);
    font-family: var(--font-heading);
    font-size: 26px;
    line-height: 1.1;
}

.product-kicker,
.product-summary span,
.evidence-card small,
.timeline-heading small,
.timeline small {
    color: var(--muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 11px;
    border-radius: 999px;
    background: rgba(15, 163, 163, 0.1);
    color: #087f7f;
    font-size: 11px;
    font-weight: 800;
}

.status-pill::before {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--teal);
    content: "";
    box-shadow: 0 0 0 4px rgba(15, 163, 163, 0.11);
}

.product-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    border-bottom: 1px solid var(--line);
    background: var(--line);
}

.product-summary > div {
    display: grid;
    gap: 3px;
    padding: 17px 20px;
    background: var(--white);
}

.product-summary strong {
    color: var(--navy);
    font-size: 13px;
}

.product-content {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(180px, 0.7fr);
    gap: 18px;
    padding: 22px;
    background: linear-gradient(180deg, #fbfcfd, #f4f7f9);
}

.timeline-card,
.evidence-card {
    border: 1px solid rgba(11, 29, 58, 0.08);
    border-radius: var(--radius-sm);
    background: var(--white);
}

.timeline-card {
    padding: 20px;
}

.timeline-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
}

.timeline-heading > span {
    color: var(--navy);
    font-size: 13px;
    font-weight: 800;
}

.timeline {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.timeline li {
    position: relative;
    display: grid;
    grid-template-columns: 18px 1fr;
    gap: 12px;
    min-height: 62px;
}

.timeline li:not(:last-child)::after {
    position: absolute;
    top: 15px;
    bottom: -3px;
    left: 6px;
    width: 1px;
    background: #d8dee6;
    content: "";
}

.timeline li.timeline-done:not(:last-child)::after {
    background: rgba(15, 163, 163, 0.45);
}

.timeline-dot {
    position: relative;
    z-index: 1;
    width: 13px;
    height: 13px;
    margin-top: 4px;
    border: 3px solid #cad2dd;
    border-radius: 50%;
    background: var(--white);
}

.timeline-done .timeline-dot {
    border-color: var(--teal);
    background: var(--teal);
    box-shadow: inset 0 0 0 3px var(--white);
}

.timeline-current .timeline-dot {
    border-color: var(--cyan);
    box-shadow: 0 0 0 5px rgba(34, 193, 214, 0.13);
}

.timeline strong {
    display: block;
    color: var(--blue);
    font-size: 13px;
}

.timeline small {
    display: block;
    margin-top: 2px;
}

.evidence-stack {
    display: grid;
    align-content: start;
    gap: 11px;
}

.evidence-card {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 82px;
    padding: 15px;
}

.evidence-card > div {
    display: grid;
    gap: 2px;
}

.evidence-card strong {
    color: var(--blue);
    font-size: 12px;
    line-height: 1.35;
}

.evidence-icon {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(15, 163, 163, 0.16), rgba(34, 193, 214, 0.08));
    color: var(--teal);
    font-size: 11px;
    font-weight: 900;
}

.hero-orbit {
    position: absolute;
    z-index: 1;
    border: 1px solid rgba(15, 163, 163, 0.2);
    border-radius: 50%;
    pointer-events: none;
}

.hero-orbit-one {
    top: -42px;
    right: -45px;
    width: 170px;
    height: 170px;
}

.hero-orbit-two {
    bottom: -70px;
    left: -60px;
    width: 220px;
    height: 220px;
}

.section {
    padding-block: 112px;
}

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

.section-heading {
    margin-bottom: 48px;
}

.section-heading-split {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.7fr);
    align-items: end;
    gap: 70px;
}

.section-heading h2,
.architecture-panel h2 {
    font-size: clamp(42px, 5vw, 68px);
}

.section-heading > p,
.section-heading-split > p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.section-heading.centered {
    max-width: 780px;
    margin-inline: auto;
    text-align: center;
}

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

.section-heading.centered > p:last-child {
    max-width: 680px;
    margin: 22px auto 0;
}

.section-heading.compact {
    margin-bottom: 44px;
}

.capability-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr 0.75fr;
    gap: 18px;
}

.capability-card {
    position: relative;
    min-height: 250px;
    overflow: hidden;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.capability-card:nth-child(4) {
    grid-column: 2 / 4;
    min-height: 210px;
}

.capability-featured {
    grid-row: span 2;
    min-height: 478px;
    background:
        linear-gradient(160deg, rgba(11, 29, 58, 0.98), rgba(19, 44, 85, 0.94)),
        var(--navy);
    color: var(--white);
}

.card-number {
    display: inline-flex;
    margin-bottom: 46px;
    color: var(--teal);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
}

.capability-card h3,
.mode-card h3,
.principles-grid h3 {
    margin: 0;
    color: var(--navy);
    font-family: var(--font-heading);
    font-size: 31px;
    line-height: 1.05;
}

.capability-featured h3 {
    color: var(--white);
    font-size: 42px;
}

.capability-card p {
    margin: 17px 0 0;
    color: var(--muted);
}

.capability-featured p {
    max-width: 470px;
    color: rgba(255, 255, 255, 0.72);
}

.mini-flow {
    position: absolute;
    right: 30px;
    bottom: 30px;
    left: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.07);
    color: rgba(255, 255, 255, 0.82);
    font-size: 11px;
    font-weight: 800;
}

.mini-flow i {
    height: 1px;
    flex: 1;
    background: linear-gradient(90deg, var(--teal), var(--cyan));
}

.adoption-section {
    background:
        linear-gradient(180deg, rgba(244, 246, 248, 0.94), #ffffff);
}

.mode-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.mode-card {
    position: relative;
    overflow: hidden;
    min-height: 405px;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.mode-card-accent {
    border-color: rgba(15, 163, 163, 0.22);
    background:
        linear-gradient(180deg, rgba(15, 163, 163, 0.075), rgba(255, 255, 255, 0.95));
}

.mode-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--navy), var(--teal));
    content: "";
}

.mode-label {
    display: inline-flex;
    margin-bottom: 35px;
    color: var(--teal);
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.mode-card h3 {
    font-size: 43px;
}

.mode-card p {
    margin: 18px 0 0;
    color: var(--muted);
}

.mode-card ul {
    display: grid;
    gap: 11px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.mode-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 700;
}

.mode-card li::before {
    width: 7px;
    height: 7px;
    margin-top: 7px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--teal);
    content: "";
}

.connect-card {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 0.7fr 1.2fr 0.8fr;
    align-items: center;
    gap: 34px;
    min-height: auto;
    padding-block: 34px;
    color: var(--white);
    background: linear-gradient(135deg, var(--navy), var(--blue));
}

.connect-card::before {
    height: 100%;
    width: 4px;
    right: auto;
    background: linear-gradient(180deg, var(--teal), var(--cyan));
}

.connect-card .mode-label,
.connect-card h3 {
    margin: 0;
    color: var(--white);
}

.connect-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
}

.connect-visual {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
}

.connect-visual span {
    position: relative;
    width: 38px;
    height: 38px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.connect-visual span:not(:last-child)::after {
    position: absolute;
    top: 50%;
    left: 100%;
    width: 11px;
    height: 1px;
    background: rgba(34, 193, 214, 0.7);
    content: "";
}

.principles-section {
    padding-top: 88px;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--line);
}

.principles-grid article {
    min-height: 280px;
    padding: 30px;
    background: var(--white);
}

.principle-mark {
    display: inline-flex;
    margin-bottom: 52px;
    color: var(--teal);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.14em;
}

.principles-grid h3 {
    font-size: 28px;
}

.principles-grid p {
    margin: 15px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.architecture-section {
    padding-block: 44px 112px;
}

.architecture-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    align-items: end;
    gap: 64px;
    overflow: hidden;
    padding: 58px;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 90% 15%, rgba(34, 193, 214, 0.18), transparent 25%),
        linear-gradient(135deg, var(--navy), var(--blue));
    color: var(--white);
    box-shadow: var(--shadow);
}

.architecture-panel::after {
    position: absolute;
    right: -80px;
    bottom: -150px;
    width: 330px;
    height: 330px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    content: "";
}

.architecture-panel h2 {
    max-width: 760px;
    color: var(--white);
    font-size: clamp(40px, 4.5vw, 62px);
}

.architecture-copy {
    position: relative;
    z-index: 1;
}

.architecture-copy p {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    color: var(--cyan);
    font-size: 13px;
    font-weight: 800;
    text-decoration: none;
}

.site-footer {
    border-top: 1px solid var(--line);
    background: var(--paper);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    min-height: 190px;
    padding-block: 38px;
}

.footer-brand img {
    width: 238px;
}

.footer-brand p,
.footer-copy {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.footer-copy {
    max-width: 360px;
    margin: 0;
    text-align: right;
}

:focus-visible {
    outline: 3px solid rgba(34, 193, 214, 0.6);
    outline-offset: 4px;
}

@media (max-width: 1080px) {
    .main-nav {
        gap: 18px;
        font-size: 13px;
    }

    .brand {
        width: 228px;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 56px;
        min-height: auto;
        padding-block: 76px 96px;
    }

    .hero-copy {
        max-width: 790px;
    }

    .hero-product {
        width: min(100%, 760px);
        margin-inline: auto;
    }

    .capability-grid {
        grid-template-columns: 1fr 1fr;
    }

    .capability-featured {
        grid-column: 1 / -1;
        grid-row: auto;
        min-height: 390px;
    }

    .capability-card:nth-child(4) {
        grid-column: auto;
        min-height: 250px;
    }

    .mode-grid {
        grid-template-columns: 1fr 1fr;
    }

    .connect-card {
        grid-column: 1 / -1;
    }

    .principles-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 860px) {
    :root {
        --header-height: 76px;
    }

    .container {
        width: min(calc(100% - 36px), var(--container));
    }

    .brand {
        width: 216px;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .main-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        align-content: start;
        gap: 0;
        padding: 24px 18px 40px;
        background: rgba(255, 255, 255, 0.99);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        transition:
            opacity 180ms ease,
            transform 180ms ease;
    }

    .main-nav.is-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .main-nav a {
        padding: 17px 12px;
        border-bottom: 1px solid var(--line);
        font-size: 17px;
    }

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

    .nav-cta {
        margin-top: 18px;
        border-bottom: 0 !important;
        text-align: center;
    }

    .section-heading-split,
    .architecture-panel {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .product-content {
        grid-template-columns: 1fr;
    }

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

    .evidence-card {
        align-items: flex-start;
        min-height: 118px;
        flex-direction: column;
    }

    .connect-card {
        grid-template-columns: 1fr;
    }

    .connect-visual {
        justify-content: flex-start;
    }

    .footer-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-copy {
        text-align: left;
    }
}

@media (max-width: 640px) {
    .container {
        width: min(calc(100% - 28px), var(--container));
    }

    .brand {
        width: 184px;
    }

    .nav-toggle-label {
        display: none;
    }

    .hero-layout {
        gap: 44px;
        padding-block: 58px 72px;
    }

    .hero h1 {
        font-size: clamp(47px, 14vw, 64px);
    }

    .hero-lead {
        font-size: 17px;
    }

    .hero-actions,
    .button {
        width: 100%;
    }

    .hero-points {
        display: grid;
        gap: 10px;
    }

    .product-topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 22px 20px 18px;
    }

    .product-summary {
        grid-template-columns: 1fr;
    }

    .product-summary > div {
        padding: 14px 20px;
    }

    .product-content {
        padding: 16px;
    }

    .evidence-stack {
        grid-template-columns: 1fr;
    }

    .evidence-card {
        min-height: auto;
        flex-direction: row;
    }

    .section {
        padding-block: 78px;
    }

    .section-heading {
        margin-bottom: 34px;
    }

    .section-heading h2,
    .architecture-panel h2 {
        font-size: clamp(38px, 12vw, 52px);
    }

    .capability-grid,
    .mode-grid,
    .principles-grid {
        grid-template-columns: 1fr;
    }

    .capability-featured,
    .capability-card,
    .capability-card:nth-child(4) {
        grid-column: auto;
        min-height: 330px;
    }

    .capability-card:not(.capability-featured) {
        min-height: auto;
    }

    .mini-flow {
        position: static;
        margin-top: 48px;
    }

    .mode-card {
        min-height: auto;
    }

    .connect-card {
        grid-column: auto;
    }

    .principles-grid article {
        min-height: auto;
    }

    .principle-mark {
        margin-bottom: 26px;
    }

    .architecture-section {
        padding-bottom: 78px;
    }

    .architecture-panel {
        padding: 34px 26px;
        border-radius: 22px;
    }

    .footer-inner {
        min-height: 0;
        padding-block: 42px;
    }
}

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