:root,
[data-theme="dark"] {
    --bg: #0b0f14;
    --bg-elevated: #10161d;
    --panel: #141c24;
    --panel-strong: #18222c;
    --line: #29343e;
    --line-strong: #3a4854;
    --text: #f3f6f8;
    --text-muted: #a4b0ba;
    --text-soft: #75828d;
    --primary: #22d3ee;
    --primary-strong: #08a9c5;
    --mint: #66d9b5;
    --amber: #f2bd5c;
    --danger: #fb7185;
    --header: rgba(11, 15, 20, 0.94);
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.26);
}

[data-theme="light"] {
    --bg: #f3f5f6;
    --bg-elevated: #ffffff;
    --panel: #ffffff;
    --panel-strong: #eef2f3;
    --line: #d8dfe3;
    --line-strong: #b9c4ca;
    --text: #131a20;
    --text-muted: #53616c;
    --text-soft: #74828c;
    --primary: #067f97;
    --primary-strong: #056b80;
    --mint: #167d62;
    --amber: #9d6a0f;
    --danger: #c33b55;
    --header: rgba(255, 255, 255, 0.95);
    --shadow: 0 18px 48px rgba(23, 35, 45, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: "Noto Sans SC", "Segoe UI", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    border-top: 1px solid transparent;
    background-image:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 64px 64px;
    content: "";
    opacity: 0.12;
    pointer-events: none;
}

a {
    color: inherit;
}

button,
input {
    font: inherit;
}

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

::selection {
    background: var(--primary);
    color: #071014;
}

.atri-skip-link {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 2000;
    padding: 8px 12px;
    border-radius: 4px;
    background: var(--primary);
    color: #071014;
    font-weight: 700;
    transform: translateY(-160%);
}

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

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

.atri-site-header.is-scrolled {
    border-color: var(--line);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.atri-nav-shell {
    display: grid;
    grid-template-columns: minmax(190px, auto) 1fr auto;
    align-items: center;
    gap: 28px;
    width: min(100% - 40px, 1280px);
    min-height: 72px;
    margin: 0 auto;
}

.atri-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    text-decoration: none;
}

.atri-brand-mark {
    display: grid;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--primary);
    border-radius: 6px;
    background: var(--primary);
    color: #071014;
    font-size: 17px;
    font-weight: 800;
}

.atri-brand-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    line-height: 1.2;
}

.atri-brand-copy strong {
    max-width: 220px;
    overflow: hidden;
    color: var(--text);
    font-size: 15px;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.atri-brand-copy small {
    margin-top: 3px;
    color: var(--text-soft);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.atri-primary-nav {
    justify-self: center;
}

.atri-nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.atri-nav-item {
    position: relative;
}

.atri-nav-item > a,
.atri-nav-trigger {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
    border: 0;
    border-radius: 5px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background 160ms ease, color 160ms ease;
}

.atri-nav-item > a:hover,
.atri-nav-trigger:hover,
.atri-nav-item > a.is-active {
    background: var(--panel);
    color: var(--text);
}

.atri-chevron {
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
    transition: transform 160ms ease;
}

.atri-nav-item.is-open .atri-chevron {
    transform: translateY(1px) rotate(225deg);
}

.atri-nav-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    display: grid;
    visibility: hidden;
    width: max-content;
    min-width: 220px;
    max-width: min(620px, 80vw);
    grid-template-columns: repeat(2, minmax(180px, 1fr));
    gap: 6px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg-elevated);
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translate(-50%, 8px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms;
}

.atri-nav-item:hover .atri-nav-dropdown,
.atri-nav-item:focus-within .atri-nav-dropdown,
.atri-nav-item.is-open .atri-nav-dropdown {
    visibility: visible;
    opacity: 1;
    transform: translate(-50%, 0);
}

.atri-nav-dropdown > a,
.atri-nav-group a {
    display: block;
    padding: 9px 10px;
    border-radius: 5px;
    color: var(--text-muted);
    font-size: 13px;
    text-decoration: none;
}

.atri-nav-dropdown > a:hover,
.atri-nav-group a:hover {
    background: var(--panel);
    color: var(--primary);
}

.atri-nav-group {
    min-width: 180px;
    padding: 4px;
}

.atri-nav-group-title {
    display: block;
    padding: 5px 10px;
    color: var(--text-soft);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.atri-nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.atri-btn,
.atri-icon-btn {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: background 160ms ease, border-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.atri-btn {
    padding: 0 16px;
}

.atri-icon-btn {
    position: relative;
    width: 40px;
    flex: 0 0 40px;
    padding: 0;
    background: transparent;
    color: var(--text-muted);
}

.atri-icon-btn:hover,
.atri-btn-quiet:hover,
.atri-btn-secondary:hover {
    border-color: var(--line-strong);
    background: var(--panel);
    color: var(--text);
}

.atri-btn-primary {
    border-color: var(--primary);
    background: var(--primary);
    color: #061014;
}

.atri-btn-primary:hover {
    border-color: var(--primary-strong);
    background: var(--primary-strong);
    color: #ffffff;
    transform: translateY(-1px);
}

.atri-btn-quiet,
.atri-btn-secondary {
    background: transparent;
    color: var(--text);
}

.atri-btn-large {
    min-height: 48px;
    padding: 0 21px;
    font-size: 14px;
}

.icon-sun,
.icon-moon {
    position: absolute;
}

[data-theme="dark"] .icon-sun,
[data-theme="light"] .icon-moon {
    display: none;
}

.atri-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
}

.atri-menu-toggle span {
    width: 17px;
    height: 1px;
    background: var(--text);
}

.atri-hero {
    position: relative;
    min-height: 760px;
    padding: 132px 0 72px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
}

.atri-hero-shell {
    display: grid;
    width: min(100% - 40px, 1280px);
    min-height: 550px;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    align-items: center;
    gap: 72px;
    margin: 0 auto;
}

.atri-hero-copy {
    max-width: 680px;
}

.atri-eyebrow,
.atri-kicker {
    margin: 0 0 18px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.atri-eyebrow {
    display: flex;
    align-items: center;
    gap: 9px;
}

.atri-eyebrow span {
    width: 22px;
    height: 2px;
    background: var(--primary);
}

.atri-hero h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(52px, 6vw, 84px);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: 0;
}

.atri-hero-lead {
    max-width: 620px;
    margin: 28px 0 0;
    color: var(--text-muted);
    font-size: 17px;
    line-height: 1.9;
}

.atri-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.atri-service-signals {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 22px;
    margin-top: 30px;
    color: var(--text-soft);
    font-size: 12px;
}

.atri-service-signals span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.atri-service-signals i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--mint);
}

.atri-hero-visual {
    display: flex;
    min-width: 0;
    align-self: stretch;
    align-items: flex-end;
    justify-content: center;
}

.atri-visual-frame {
    position: relative;
    display: flex;
    width: min(100%, 510px);
    height: 610px;
    align-items: flex-end;
    justify-content: center;
    overflow: hidden;
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
    background: var(--bg-elevated);
}

.atri-visual-frame::before,
.atri-visual-frame::after {
    position: absolute;
    right: 0;
    left: 0;
    height: 1px;
    background: var(--line);
    content: "";
}

.atri-visual-frame::before { top: 52px; }
.atri-visual-frame::after { bottom: 52px; }

.atri-frame-label {
    position: absolute;
    top: 17px;
    left: 20px;
    z-index: 2;
    color: var(--text-soft);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1.4px;
}

.atri-visual-frame img {
    position: relative;
    z-index: 1;
    width: auto;
    max-width: 100%;
    height: 580px;
    object-fit: contain;
    object-position: bottom center;
    filter: saturate(0.88) contrast(1.03);
}

.atri-node-status {
    position: absolute;
    right: 18px;
    bottom: 18px;
    z-index: 3;
    display: flex;
    min-width: 190px;
    align-items: center;
    gap: 11px;
    padding: 11px 13px;
    border: 1px solid var(--line-strong);
    border-radius: 6px;
    background: var(--header);
    backdrop-filter: blur(12px);
}

.atri-status-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 0 4px rgba(102, 217, 181, 0.12);
}

.atri-node-status div {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
}

.atri-node-status strong {
    color: var(--text);
    font-size: 12px;
}

.atri-node-status small {
    color: var(--text-soft);
    font-size: 10px;
}

.atri-trust-strip {
    border-bottom: 1px solid var(--line);
    background: var(--bg-elevated);
}

.atri-trust-shell {
    display: grid;
    width: min(100% - 40px, 1280px);
    grid-template-columns: repeat(4, 1fr);
    margin: 0 auto;
}

.atri-trust-shell > div {
    display: flex;
    min-height: 108px;
    flex-direction: column;
    justify-content: center;
    padding: 20px 30px;
    border-right: 1px solid var(--line);
}

.atri-trust-shell > div:first-child {
    border-left: 1px solid var(--line);
}

.atri-trust-shell strong {
    color: var(--text);
    font-size: 20px;
    font-weight: 800;
}

.atri-trust-shell span {
    margin-top: 2px;
    color: var(--text-soft);
    font-size: 12px;
}

.atri-section {
    padding: 112px 0;
    border-bottom: 1px solid var(--line);
}

.atri-legal-page {
    min-height: calc(100vh - 72px);
    padding: 150px 0 96px;
    border-bottom: 1px solid var(--line);
}

.atri-legal-page h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(38px, 5vw, 64px);
    line-height: 1.15;
}

.atri-legal-lead {
    max-width: 650px;
    margin: 22px 0 42px;
    color: var(--text-muted);
    font-size: 16px;
}

.atri-legal-content {
    max-width: 860px;
    padding-top: 10px;
    border-top: 1px solid var(--line);
}

.atri-legal-content h2 {
    margin: 30px 0 8px;
    color: var(--text);
    font-size: 18px;
}

.atri-legal-content p {
    margin: 0;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.9;
}

.atri-section-shell {
    width: min(100% - 40px, 1280px);
    margin: 0 auto;
}

.atri-section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 36px;
    margin-bottom: 42px;
}

.atri-section-heading h2,
.atri-flow-copy h2,
.atri-cta h2 {
    margin: 0;
    color: var(--text);
    font-size: 38px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 0;
}

.atri-section-heading p:not(.atri-kicker),
.atri-flow-copy > p:not(.atri-kicker),
.atri-cta p:not(.atri-kicker) {
    max-width: 650px;
    margin: 13px 0 0;
    color: var(--text-muted);
}

.atri-text-link {
    flex: 0 0 auto;
    padding: 8px 0;
    border-bottom: 1px solid var(--line-strong);
    color: var(--text);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
}

.atri-text-link:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.atri-live-products {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.atri-live-card,
.atri-product-skeleton {
    position: relative;
    min-height: 330px;
    padding: 26px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
}

.atri-live-card {
    display: flex;
    flex-direction: column;
    transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.atri-live-card:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow);
    transform: translateY(-3px);
}

.atri-live-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.atri-live-card h3 {
    margin: 0;
    color: var(--text);
    font-size: 18px;
    line-height: 1.45;
}

.atri-live-stock {
    flex: 0 0 auto;
    padding: 4px 7px;
    border: 1px solid var(--line);
    border-radius: 4px;
    color: var(--mint);
    font-size: 10px;
    font-weight: 700;
}

.atri-live-desc {
    display: -webkit-box;
    min-height: 76px;
    margin: 20px 0 28px;
    overflow: hidden;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.8;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

.atri-live-card-foot {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--line);
}

.atri-live-price {
    color: var(--primary);
    font-size: 20px;
    font-weight: 800;
}

.atri-live-action {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    padding: 0 14px;
    border: 1px solid var(--line-strong);
    border-radius: 5px;
    color: var(--text);
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
}

.atri-live-action:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.atri-product-skeleton span {
    display: block;
    height: 12px;
    margin-bottom: 18px;
    border-radius: 3px;
    background: var(--panel-strong);
    animation: atriPulse 1.4s ease-in-out infinite;
}

.atri-product-skeleton span:first-child { width: 58%; height: 20px; }
.atri-product-skeleton span:nth-child(2) { width: 90%; }
.atri-product-skeleton span:nth-child(3) { width: 42%; margin-top: 145px; }

@keyframes atriPulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 1; }
}

.atri-inline-notice {
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: 6px;
    color: var(--text-muted);
}

.atri-inline-notice a { color: var(--primary); }

.atri-capability-section {
    background: var(--bg-elevated);
}

.atri-capability-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.atri-capability-card {
    display: flex;
    min-height: 320px;
    flex-direction: column;
    padding: 28px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: var(--bg-elevated);
    text-decoration: none;
    transition: background 180ms ease;
}

.atri-capability-card:hover {
    background: var(--panel);
}

.atri-card-index {
    color: var(--text-soft);
    font-size: 11px;
    font-weight: 800;
}

.atri-capability-card h3 {
    margin: 54px 0 12px;
    color: var(--text);
    font-size: 18px;
}

.atri-capability-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
}

.atri-card-link {
    margin-top: auto;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
}

.atri-flow-shell {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr);
    gap: 100px;
    align-items: start;
}

.atri-flow-copy .atri-btn {
    margin-top: 28px;
}

.atri-flow-list {
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
    list-style: none;
}

.atri-flow-list li {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 22px;
    padding: 25px 0;
    border-bottom: 1px solid var(--line);
}

.atri-flow-list li > span {
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
}

.atri-flow-list strong {
    color: var(--text);
    font-size: 16px;
}

.atri-flow-list p {
    margin: 4px 0 0;
    color: var(--text-muted);
    font-size: 13px;
}

.atri-cta {
    padding: 72px 0;
    border-bottom: 1px solid var(--line);
    background: var(--panel-strong);
}

.atri-cta-shell {
    display: flex;
    width: min(100% - 40px, 1280px);
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    margin: 0 auto;
}

.atri-cta-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 10px;
}

.atri-footer {
    background: #080b0f;
    color: #dce4e9;
}

[data-theme="light"] .atri-footer {
    background: #10161d;
}

.atri-footer-shell {
    display: grid;
    width: min(100% - 40px, 1280px);
    grid-template-columns: minmax(280px, 1.5fr) repeat(auto-fit, minmax(140px, 0.7fr));
    gap: 54px;
    margin: 0 auto;
    padding: 72px 0 52px;
}

.atri-footer .atri-brand-copy strong { color: #f3f6f8; }
.atri-footer .atri-brand-copy small { color: #7e8c97; }

.atri-footer-brand > p {
    max-width: 390px;
    margin: 20px 0 0;
    color: #8997a2;
    font-size: 13px;
}

.atri-footer-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 20px;
}

.atri-footer-contact a,
.atri-footer-col a {
    color: #99a6b0;
    font-size: 13px;
    text-decoration: none;
}

.atri-footer-contact a:hover,
.atri-footer-col a:hover,
.atri-friend-links a:hover {
    color: var(--primary);
}

.atri-footer-col {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.atri-footer-col h2 {
    margin: 0 0 9px;
    color: #edf2f5;
    font-size: 13px;
    font-weight: 800;
}

.atri-friend-links,
.atri-footer-bottom {
    display: flex;
    width: min(100% - 40px, 1280px);
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    margin: 0 auto;
    padding: 18px 0;
    border-top: 1px solid #202a32;
    color: #6f7d87;
    font-size: 11px;
}

.atri-friend-links a { color: #8997a2; text-decoration: none; }

.atri-footer-bottom {
    justify-content: space-between;
    padding: 24px 0 30px;
}

@media (max-width: 1080px) {
    .atri-nav-shell {
        grid-template-columns: 1fr auto auto;
    }

    .atri-menu-toggle {
        display: flex;
        grid-column: 2;
    }

    .atri-primary-nav {
        position: absolute;
        top: 72px;
        right: 20px;
        left: 20px;
        display: none;
        max-height: calc(100vh - 92px);
        overflow-y: auto;
        padding: 10px;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: var(--bg-elevated);
        box-shadow: var(--shadow);
    }

    .atri-primary-nav.is-open { display: block; }

    .atri-nav-list {
        display: block;
    }

    .atri-nav-item > a,
    .atri-nav-trigger {
        width: 100%;
        justify-content: space-between;
    }

    .atri-nav-dropdown,
    .atri-nav-item:hover .atri-nav-dropdown,
    .atri-nav-item:focus-within .atri-nav-dropdown {
        position: static;
        display: none;
        visibility: visible;
        width: 100%;
        min-width: 0;
        max-width: none;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        border: 0;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        opacity: 1;
        transform: none;
    }

    .atri-nav-item.is-open .atri-nav-dropdown { display: grid; }

    .atri-hero-shell {
        gap: 36px;
    }

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

@media (max-width: 820px) {
    .atri-nav-shell,
    .atri-hero-shell,
    .atri-trust-shell,
    .atri-section-shell,
    .atri-cta-shell,
    .atri-footer-shell,
    .atri-friend-links,
    .atri-footer-bottom {
        width: min(100% - 28px, 1280px);
    }

    .atri-nav-actions .atri-btn-quiet,
    .atri-cart-link {
        display: none;
    }

    .atri-hero {
        min-height: auto;
        padding: 118px 0 0;
    }

    .atri-hero-shell {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .atri-hero-copy {
        max-width: none;
    }

    .atri-hero h1 {
        font-size: 50px;
    }

    .atri-visual-frame {
        width: 100%;
        height: 520px;
    }

    .atri-visual-frame img { height: 500px; }

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

    .atri-trust-shell > div,
    .atri-trust-shell > div:first-child {
        border: 0;
        border-right: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        padding: 18px;
    }

    .atri-live-products {
        grid-template-columns: 1fr;
    }

    .atri-live-card,
    .atri-product-skeleton {
        min-height: 270px;
    }

    .atri-flow-shell {
        grid-template-columns: 1fr;
        gap: 52px;
    }

    .atri-cta-shell,
    .atri-section-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .atri-nav-shell {
        min-height: 64px;
        gap: 8px;
    }

    .atri-primary-nav { top: 64px; }

    .atri-brand-copy small { display: none; }
    .atri-brand-copy strong { max-width: 118px; font-size: 13px; }
    .atri-brand-mark { width: 34px; height: 34px; flex-basis: 34px; }
    .atri-nav-actions .atri-btn { min-height: 36px; padding: 0 12px; }
    .atri-nav-actions .atri-icon-btn { width: 36px; min-height: 36px; flex-basis: 36px; }

    .atri-hero {
        padding-top: 100px;
    }

    .atri-hero h1 {
        font-size: 39px;
    }

    .atri-hero-lead {
        font-size: 15px;
    }

    .atri-hero-actions,
    .atri-cta-actions {
        width: 100%;
        flex-direction: column;
    }

    .atri-hero-actions .atri-btn,
    .atri-cta-actions .atri-btn {
        width: 100%;
    }

    .atri-service-signals {
        display: grid;
        grid-template-columns: 1fr;
    }

    .atri-visual-frame {
        height: 430px;
    }

    .atri-visual-frame img { height: 420px; }
    .atri-node-status { right: 12px; bottom: 12px; }

    .atri-section {
        padding: 76px 0;
    }

    .atri-legal-page {
        padding: 110px 0 68px;
    }

    .atri-section-heading h2,
    .atri-flow-copy h2,
    .atri-cta h2 {
        font-size: 29px;
    }

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

    .atri-capability-card {
        min-height: 250px;
    }

    .atri-capability-card h3 { margin-top: 34px; }

    .atri-live-card-foot {
        align-items: stretch;
        flex-direction: column;
    }

    .atri-live-action { width: 100%; }

    .atri-cta {
        padding: 58px 0;
    }

    .atri-footer-shell {
        grid-template-columns: 1fr 1fr;
        gap: 36px 20px;
    }

    .atri-footer-brand {
        grid-column: 1 / -1;
    }

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

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