:root,
[data-bs-theme="dark"] {
    color-scheme: dark;
    --color-primary: #00779e;
    --color-secondary: #35bce9;
    --color-background: #0e1d29;
    --color-surface: #181d23;
    --color-deep: #0c1214;
    --color-text: #dee2e6;
    --color-muted: #aabac6;
    --color-heading: #f2f6f8;
    --color-border: #293d4b;
    --color-border-soft: #20313e;
    --color-tint: #102330;
    --color-icon-background: #103447;
    --color-on-primary: #ffffff;
    --color-primary-hover: #0083ae;
    --color-glow: rgb(53 188 233 / 10%);
    --color-grid: rgb(53 188 233 / 5%);
    --color-header: rgb(14 29 41 / 95%);
    --color-shadow: rgb(0 0 0 / 18%);
    --bs-body-bg: var(--color-background);
    --bs-body-color: var(--color-text);
    --bs-heading-color: var(--color-heading);
    --bs-border-color: var(--color-border);
    --bs-primary: var(--color-primary);
    --bs-link-color: var(--color-secondary);
    --bs-link-hover-color: var(--color-heading);
    --font-body: "Segoe UI", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    --font-mono: Consolas, "Courier New", monospace;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 7rem;
}

body {
    margin: 0;
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

a {
    color: inherit;
    text-decoration: none;
    text-underline-offset: 0.25rem;
}

a:hover {
    color: var(--color-secondary);
}

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

:focus-visible {
    outline: 0.1875rem solid var(--color-secondary);
    outline-offset: 0.3125rem;
}

button {
    font: inherit;
}

img,
svg {
    vertical-align: middle;
}

h1,
h2,
h3,
h4,
p,
figure {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: var(--color-heading);
    font-weight: 600;
    text-wrap: balance;
}

h1 {
    margin-bottom: 1.75rem;
    font-size: clamp(2.6rem, 3.9vw, 3.65rem);
    line-height: 1.16;
    letter-spacing: -0.105rem;
}

h2 {
    margin-bottom: 1.5rem;
    font-size: clamp(2rem, 2.8vw, 2.8rem);
    line-height: 1.23;
    letter-spacing: -0.065rem;
}

h3 {
    margin-bottom: 0.875rem;
    font-size: 1.2rem;
    line-height: 1.45;
    letter-spacing: -0.018rem;
}

p {
    margin-bottom: 1rem;
}

.container {
    width: min(100% - 4rem, 78rem);
    max-width: 78rem;
    margin-inline: auto;
    padding: 0;
}

.icon-definitions {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
    pointer-events: none;
}

.icon {
    display: inline-block;
    flex-shrink: 0;
    width: 1.25rem;
    height: 1.25rem;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.text-accent {
    color: var(--color-secondary);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.25rem;
    color: var(--color-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.075rem;
    line-height: 1.6;
    text-transform: uppercase;
}

.status-dot {
    flex-shrink: 0;
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
    background: var(--color-secondary);
    box-shadow: 0 0 0 0.3rem var(--color-glow);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 1.15rem;
    min-height: 3.25rem;
    padding: 0.8rem 1.5rem;
    border: 0.0625rem solid var(--color-primary);
    border-radius: 0.375rem;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    transition: background 180ms ease, border-color 180ms ease;
}

.button:hover {
    border-color: var(--color-primary-hover);
    background: var(--color-primary-hover);
    color: var(--color-on-primary);
}

.button-small {
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
    font-size: 0.825rem;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 1rem;
    padding: 0.75rem 1rem;
    transform: translateY(-200%);
    border-radius: 0.375rem;
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.skip-link:focus {
    transform: translateY(0);
    color: var(--color-on-primary);
}

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 0.0625rem solid var(--color-border-soft);
    background: var(--color-header);
    backdrop-filter: blur(1rem);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    min-height: 5.5rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
}

.brand img {
    width: 10.5rem;
    height: auto;
}

.site-navigation {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-size: 0.86rem;
}

.site-navigation > a:not(.button) {
    padding-block: 0.7rem;
}

.menu-toggle {
    display: none;
}

.hero {
    position: relative;
    padding-top: 5.5rem;
    background: radial-gradient(ellipse at 85% 32%, var(--color-glow), transparent 48%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    align-items: center;
    gap: 4rem;
}

.hero-copy {
    padding-block: 0.5rem 1.5rem;
}

.hero-copy > .eyebrow {
    margin-bottom: 1.75rem;
}

.hero-lead {
    max-width: 45ch;
    margin-bottom: 1.25rem;
    color: var(--color-text);
    font-size: 1.22rem;
    line-height: 1.65;
}

.hero-description {
    max-width: 56ch;
    margin-bottom: 2rem;
    color: var(--color-muted);
    font-size: 1rem;
    line-height: 1.85;
}

.hero-note {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin: 1.25rem 0 0;
    color: var(--color-muted);
    font-size: 0.78rem;
}

.hero-note .icon {
    width: 1rem;
    height: 1rem;
    margin-top: 0.15rem;
    color: var(--color-secondary);
}

/* Σχηματική ροή δημοσίευσης, με πραγματικές κατηγορίες πηγών και εξόδων. */
.data-diagram {
    position: relative;
    margin: 0;
    padding: 1.75rem;
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.75rem;
    background-color: var(--color-background);
    background-image: linear-gradient(var(--color-grid) 0.0625rem, transparent 0.0625rem), linear-gradient(90deg, var(--color-grid) 0.0625rem, transparent 0.0625rem);
    background-size: 1.75rem 1.75rem;
    box-shadow: 0 2rem 5rem var(--color-shadow);
}

.diagram-heading {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 2rem;
    color: var(--color-muted);
    font-size: 0.7rem;
}

.diagram-index {
    color: var(--color-secondary);
    font-family: var(--font-mono);
}

.diagram-sources {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.source-node {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    min-height: 5rem;
    padding: 1rem 0.875rem;
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.375rem;
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 600;
}

.source-node .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-secondary);
}

.source-node small {
    display: block;
    margin-top: 0.2rem;
    color: var(--color-muted);
    font-size: 0.65rem;
    font-weight: 400;
}

.diagram-connector {
    position: relative;
    height: 3rem;
    margin-inline: 24%;
}

.connector-in::before,
.connector-out::before {
    position: absolute;
    right: 0;
    left: 0;
    height: 50%;
    border: solid var(--color-primary);
    content: "";
}

.connector-in::before {
    top: 0;
    border-width: 0 0.0625rem 0.0625rem;
    border-radius: 0 0 0.5rem 0.5rem;
}

.connector-in::after,
.connector-out::after {
    position: absolute;
    left: 50%;
    width: 0.0625rem;
    height: 50%;
    background: var(--color-primary);
    content: "";
}

.connector-in::after {
    bottom: 0;
}

.gateway {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    min-height: 7rem;
    margin-inline: 0.75rem;
    padding: 1.25rem;
    border: 0.0625rem solid var(--color-primary);
    border-radius: 0.5rem;
    background: var(--color-tint);
    box-shadow: 0 0 2.5rem var(--color-glow), inset 0 0 2rem var(--color-glow);
}

.gateway img {
    width: 3.8rem;
    height: auto;
}

.gateway-name {
    display: block;
    color: var(--color-heading);
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.05rem;
}

.gateway-description {
    display: block;
    margin-top: 0.4rem;
    color: var(--color-muted);
    font-size: 0.64rem;
}

.connector-out {
    margin-inline: 15%;
}

.connector-out::before {
    bottom: 0;
    border-width: 0.0625rem 0.0625rem 0;
    border-radius: 0.5rem 0.5rem 0 0;
}

.connector-out::after {
    top: 0;
    height: 100%;
}

.diagram-outputs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.output-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.125rem 0.25rem;
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.375rem;
    background: var(--color-surface);
    font-size: 0.75rem;
}

.output-node .icon {
    margin-bottom: 0.7rem;
    color: var(--color-secondary);
}

.output-node strong {
    color: var(--color-text);
    font-weight: 600;
}

.output-node > span {
    margin-top: 0.15rem;
    color: var(--color-muted);
    font-size: 0.65rem;
}

.data-diagram figcaption {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.65rem;
    color: var(--color-muted);
    font-size: 0.72rem;
}

.data-diagram figcaption .icon {
    width: 1rem;
    height: 1rem;
}

.hero-foundations {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem 2rem;
    margin-top: 4rem;
    padding-block: 1.75rem;
    border-top: 0.0625rem solid var(--color-border-soft);
    color: var(--color-text);
    font-size: 0.8rem;
}

.hero-foundations > span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-foundations .icon {
    width: 1rem;
    height: 1rem;
    color: var(--color-secondary);
}

.hero-foundations .foundation-label {
    color: var(--color-muted);
    font-size: 0.73rem;
}

.section {
    padding-block: 6.5rem;
}

.section-tinted {
    border-block: 0.0625rem solid var(--color-border-soft);
    background: var(--color-tint);
}

.section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
}

.section-heading h2 {
    margin-bottom: 0;
}

.section-heading > p {
    max-width: 34ch;
    margin-bottom: 0.25rem;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.framework-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 6rem;
}

.section-intro > p:not(.eyebrow) {
    max-width: 47ch;
    color: var(--color-muted);
}

.section-intro .section-lead {
    margin-top: 1.75rem;
    color: var(--color-text);
    font-size: 1.125rem;
}

.framework-note {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2.5rem;
    padding-left: 1rem;
    border-left: 0.125rem solid var(--color-primary);
    color: var(--color-muted);
    font-size: 0.85rem;
}

.framework-note .icon {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--color-secondary);
}

.framework-note strong {
    color: var(--color-text);
    font-weight: 500;
}

.reference + .reference {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 0.0625rem solid var(--color-border);
}

.reference-heading {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.reference-heading .eyebrow {
    margin-bottom: 0;
    font-size: 0.68rem;
}

.reference h3 {
    font-size: 1.3rem;
}

.reference > p {
    color: var(--color-muted);
    font-size: 0.9rem;
}

.reference .reference-benefit {
    color: var(--color-text);
}

.reference-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    margin-top: 1.25rem;
    font-size: 0.75rem;
}

.reference-links a,
.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
}

.reference-links a:hover,
.text-link:hover {
    color: var(--color-heading);
    text-decoration: underline;
}

.reference-links .icon,
.text-link .icon {
    width: 0.9rem;
    height: 0.9rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.125rem;
}

.card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    border: 0.0625rem solid var(--color-border);
    border-radius: 0.5rem;
    background: var(--color-surface);
    color: var(--color-text);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 1.5rem;
    border-radius: 0.5rem;
    background: var(--color-icon-background);
    color: var(--color-secondary);
}

.feature-icon .icon {
    width: 1.4rem;
    height: 1.4rem;
}

.card h3,
.card h4 {
    margin-bottom: 0.875rem;
    font-size: 1.1rem;
    line-height: 1.45;
    letter-spacing: -0.018rem;
}

.card p {
    margin-bottom: 1.5rem;
    color: var(--color-muted);
    font-size: 0.9rem;
    line-height: 1.85;
}

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

.feature-detail {
    margin-top: auto;
    padding-top: 0.9rem;
    border-top: 0.0625rem solid var(--color-border);
    color: var(--color-secondary);
    font-size: 0.71rem;
}

.control-panel {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 0.0625rem solid var(--color-border);
}

.compact-heading {
    margin-bottom: 1.75rem;
}

.compact-heading .eyebrow {
    margin-bottom: 0.65rem;
}

.compact-heading h2,
.compact-heading h3 {
    margin-bottom: 0;
    font-size: 1.35rem;
    line-height: 1.45;
    letter-spacing: -0.018rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 3.5rem;
    margin: 0 0 2.5rem;
    padding: 0;
    list-style: none;
}

.steps li {
    position: relative;
    min-width: 0;
}

.steps li:not(:last-child)::after {
    position: absolute;
    top: 1.5rem;
    left: 4rem;
    width: calc(100% - 2rem);
    border-top: 0.0625rem solid var(--color-border);
    content: "";
}

.step-marker {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: 1.5rem;
    border: 0.0625rem solid var(--color-primary);
    border-radius: 50%;
    background: var(--color-background);
}

.steps h3 {
    font-size: 1.1rem;
}

.steps p {
    max-width: 40ch;
    margin-bottom: 0;
    color: var(--color-muted);
    font-size: 0.92rem;
}

.text-link {
    font-size: 0.8rem;
}

.contact-section {
    padding-bottom: 4.5rem;
}

.contact-panel {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 15rem;
    align-items: center;
    gap: 4rem;
    overflow: hidden;
    padding: 3.5rem 4rem;
    border: 0.0625rem solid var(--color-primary);
    border-radius: 0.75rem;
    background: radial-gradient(ellipse at 100% 50%, var(--color-glow), transparent 65%), var(--color-tint);
}

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

.contact-copy h2 {
    font-size: clamp(1.8rem, 2.7vw, 2.55rem);
}

.contact-copy > p:not(.eyebrow) {
    max-width: 63ch;
    margin-bottom: 1.75rem;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.contact-mark {
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    border: 0.0625rem solid var(--color-border);
    border-radius: 50%;
    box-shadow: 0 0 0 2.5rem var(--color-grid), 0 0 0 5rem var(--color-grid);
}

.contact-mark img {
    width: 70%;
    height: auto;
}

.technical-section {
    padding-bottom: 5rem;
}

.technical-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.technical-grid .eyebrow {
    margin-bottom: 0.6rem;
    color: var(--color-muted);
    font-size: 0.65rem;
}

.technical-grid h2 {
    font-size: 1.35rem;
    letter-spacing: -0.025rem;
}

.technical-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem 2.5rem;
    margin: 0;
    font-size: 0.8rem;
}

.technical-details dt {
    margin-bottom: 0.35rem;
    color: var(--color-text);
    font-weight: 600;
}

.technical-details dd {
    margin: 0;
    color: var(--color-muted);
}

.site-footer {
    padding-block: 2.5rem 1.5rem;
    border-top: 0.0625rem solid var(--color-border-soft);
    background: var(--color-deep);
}

.footer-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.footer-main {
    padding-bottom: 2rem;
}

.footer-brand p {
    margin: 0.65rem 0 0;
    color: var(--color-muted);
    font-size: 0.8rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    font-size: 0.85rem;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links .icon {
    width: 1rem;
    height: 1rem;
    color: var(--color-secondary);
}

.footer-bottom {
    padding-top: 1.25rem;
    border-top: 0.0625rem solid var(--color-border-soft);
    color: var(--color-muted);
    font-size: 0.73rem;
    text-align: center;
}

.footer-bottom small {
    font-size: inherit;
}

.visually-hidden {
    position: absolute !important;
    width: 0.0625rem !important;
    height: 0.0625rem !important;
    overflow: hidden !important;
    clip-path: inset(50%) !important;
    white-space: nowrap !important;
}

@media (min-width: 1600px) {
    .hero {
        padding-top: 7rem;
    }

    .hero-foundations {
        margin-top: 5.5rem;
    }
}

@media (max-width: 1199px) {
    .site-navigation {
        gap: 1.25rem;
    }

    .hero-grid {
        gap: 2.5rem;
    }

    .data-diagram {
        padding: 1.25rem;
    }

    .source-node {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .framework-grid {
        gap: 3.5rem;
    }

    .card {
        padding: 1.5rem;
    }

    .contact-panel {
        grid-template-columns: 1fr 11rem;
        gap: 3rem;
        padding: 3rem;
    }
}

@media (max-width: 991px) {
    .header-inner {
        flex-wrap: wrap;
        gap: 0;
        padding-block: 0.8rem;
    }

    .menu-toggle:not([hidden]) {
        display: inline-flex;
        align-items: center;
        gap: 0.75rem;
        min-height: 2.75rem;
        padding: 0.5rem 0.75rem;
        border: 0.0625rem solid var(--color-border);
        border-radius: 0.375rem;
        background: transparent;
        color: var(--color-text);
        font-size: 0.8rem;
    }

    .menu-lines {
        position: relative;
        width: 1.1rem;
        height: 0.75rem;
        border-block: 0.0625rem solid currentColor;
    }

    .menu-lines::after {
        position: absolute;
        top: 50%;
        right: 0;
        left: 0;
        border-top: 0.0625rem solid currentColor;
        content: "";
    }

    .site-navigation {
        flex-basis: 100%;
        flex-wrap: wrap;
        gap: 0.5rem 1.5rem;
        padding-block: 1rem 0.5rem;
    }

    .js .site-navigation {
        display: none;
    }

    .js .site-navigation.is-open {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        max-height: calc(100dvh - 6rem);
        overflow-y: auto;
    }

    .site-navigation .button {
        align-self: flex-start;
    }

    .hero {
        padding-top: 3.5rem;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-copy {
        max-width: 42rem;
    }

    h1 {
        font-size: 3.6rem;
    }

    .hero-description {
        max-width: 62ch;
    }

    .data-diagram {
        width: 100%;
        max-width: 36rem;
        justify-self: center;
        padding: 2rem;
    }

    .source-node {
        flex-direction: row;
        text-align: left;
    }

    .hero-foundations {
        justify-content: flex-start;
        margin-top: 3rem;
    }

    .foundation-label {
        flex-basis: 100%;
    }

    .section {
        padding-block: 4.5rem;
    }

    .framework-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .section-intro > p:not(.eyebrow) {
        max-width: 65ch;
    }

    .framework-note {
        margin-top: 1.5rem;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 1rem;
    }

    .section-heading > p {
        max-width: 65ch;
    }

    .feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .steps {
        gap: 2rem;
    }

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

    .contact-panel {
        grid-template-columns: 1fr;
    }

    .contact-mark {
        display: none;
    }
}

@media (max-width: 575px) {
    html {
        scroll-padding-top: 6rem;
    }

    .container {
        width: calc(100% - 2.5rem);
    }

    .header-inner {
        min-height: 4.75rem;
    }

    .brand img {
        width: 9rem;
    }

    .hero {
        padding-top: 2.75rem;
    }

    .eyebrow {
        font-size: 0.65rem;
        letter-spacing: 0.035rem;
    }

    h1 {
        font-size: clamp(2.1rem, 8.8vw, 3rem);
        letter-spacing: -0.075rem;
    }

    h2 {
        font-size: 1.85rem;
        letter-spacing: -0.05rem;
    }

    .hero-lead {
        font-size: 1.08rem;
    }

    .hero-description {
        font-size: 0.95rem;
    }

    .button {
        gap: 0.75rem;
        padding-inline: 1.15rem;
        font-size: 0.85rem;
    }

    .hero-note {
        font-size: 0.72rem;
    }

    .data-diagram {
        padding: 1rem;
    }

    .diagram-heading {
        gap: 0.5rem;
        padding-bottom: 1.5rem;
        font-size: 0.62rem;
    }

    .diagram-sources {
        gap: 0.75rem;
    }

    .source-node {
        flex-direction: column;
        padding: 0.85rem 0.25rem;
        text-align: center;
    }

    .source-node small {
        font-size: 0.59rem;
    }

    .gateway {
        gap: 0.65rem;
        margin-inline: 0;
        padding: 1rem 0.6rem;
    }

    .gateway img {
        width: 2.75rem;
    }

    .gateway-name {
        font-size: 1.5rem;
    }

    .gateway-description {
        font-size: 0.55rem;
    }

    .diagram-outputs {
        gap: 0.4rem;
    }

    .output-node {
        font-size: 0.63rem;
    }

    .output-node > span {
        font-size: 0.58rem;
    }

    .data-diagram figcaption {
        font-size: 0.65rem;
    }

    .hero-foundations {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        font-size: 0.78rem;
    }

    .section {
        padding-block: 3.5rem;
    }

    .section-heading {
        margin-bottom: 2rem;
    }

    .feature-grid,
    .steps,
    .technical-details {
        grid-template-columns: 1fr;
    }

    .steps {
        gap: 2rem;
    }

    .steps li {
        padding-left: 4.25rem;
    }

    .step-marker {
        position: absolute;
        top: 0;
        left: 0;
        width: 2.75rem;
        height: 2.75rem;
    }

    .steps li:not(:last-child)::after {
        top: 3.5rem;
        bottom: -1.25rem;
        left: 1.375rem;
        width: 0;
        border-top: 0;
        border-left: 0.0625rem solid var(--color-border);
    }

    .steps h3 {
        padding-top: 0.4rem;
        font-size: 1rem;
    }

    .contact-panel {
        padding: 2rem 1.5rem;
    }

    .contact-copy h2 {
        font-size: 1.8rem;
    }

    .contact-copy .eyebrow {
        font-size: 0.6rem;
    }

    .technical-section {
        padding-bottom: 3.5rem;
    }

    .footer-main {
        align-items: flex-start;
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer-links {
        gap: 1rem 2rem;
        font-size: 0.8rem;
    }
}

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

    .button {
        transition: none;
    }
}