:root {
  color-scheme: light;
  --bg: #ffffff;
  --soft: #f4f8ff;
  --soft-blue: #e9f2ff;
  --surface: rgba(255, 255, 255, 0.88);
  --text: #13233f;
  --muted: #65738a;
  --line: rgba(43, 98, 176, 0.15);
  --line-strong: rgba(43, 98, 176, 0.28);
  --blue: #2166e8;
  --cyan: #16a4d8;
  --navy: #102957;
  --shadow: 0 28px 80px rgba(35, 82, 153, 0.14);
  --radius: 26px;
  --container: 1200px;
  --header-height: 80px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "PingFang SC", "Microsoft JhengHei", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; left: 16px; top: 12px; padding: 10px 16px; border-radius: 10px; background: var(--navy); color: #fff; text-decoration: none; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 30; height: var(--header-height); border-bottom: 1px solid transparent; transition: background 220ms ease, border-color 220ms ease, box-shadow 220ms ease; }
.site-header.is-scrolled { background: rgba(255, 255, 255, 0.82); border-color: var(--line); box-shadow: 0 12px 40px rgba(35, 82, 153, 0.06); backdrop-filter: blur(18px); }
.nav-shell { min-height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.brand-mark { position: relative; width: 34px; height: 34px; display: grid; place-items: center; overflow: hidden; border-radius: 11px 4px 11px 4px; background: linear-gradient(145deg, var(--blue), var(--cyan)); box-shadow: 0 9px 24px rgba(33, 102, 232, 0.24); transform: rotate(5deg); }
.brand-mark i { position: absolute; width: 15px; height: 3px; border-radius: 4px; background: #fff; transform: rotate(-5deg); }
.brand-mark i:first-child { transform: translateY(-4px) rotate(-5deg); }
.brand-mark i:last-child { width: 11px; transform: translate(2px, 4px) rotate(-5deg); opacity: 0.72; }
.brand-copy { display: grid; line-height: 1.05; }
.brand-copy strong { font-size: 1rem; font-weight: 800; letter-spacing: 0.04em; }
.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 0.61rem; font-weight: 700; letter-spacing: 0.16em; }
.site-nav { display: flex; align-items: center; gap: 27px; }
.site-nav > a:not(.button) { color: var(--muted); font-size: 0.91rem; font-weight: 600; text-decoration: none; transition: color 180ms ease; }
.site-nav > a:not(.button):hover { color: var(--blue); }
.menu-button { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); color: var(--text); }
.menu-button > span:not(.sr-only) { display: block; width: 20px; height: 2px; margin: 5px auto; border-radius: 2px; background: currentColor; transition: transform 200ms ease; }
.language-button { min-width: 58px; min-height: 38px; display: flex; align-items: center; justify-content: center; gap: 5px; padding: 0 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--muted); cursor: pointer; font-size: 0.74rem; }
.language-button span { color: var(--text); font-weight: 800; }
.language-button b { font-weight: 650; }

.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 0 22px; border: 1px solid transparent; border-radius: 999px; background: linear-gradient(135deg, var(--blue), #2587ee); color: #fff; font-weight: 760; text-decoration: none; box-shadow: 0 14px 32px rgba(33, 102, 232, 0.21); transition: transform 180ms ease, box-shadow 180ms ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(33, 102, 232, 0.28); }
.button-small { min-height: 42px; padding-inline: 18px; font-size: 0.88rem; }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-weight: 720; text-decoration: none; }
.text-link > span:last-child { color: var(--blue); }

.hero { position: relative; min-height: 800px; display: grid; align-items: center; overflow: hidden; isolation: isolate; padding: calc(var(--header-height) + 76px) 0 100px; background: linear-gradient(180deg, #f7faff 0%, #fff 88%); }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -3; opacity: 0.62; background-image: radial-gradient(rgba(33, 102, 232, 0.18) 1px, transparent 1px); background-size: 28px 28px; mask-image: linear-gradient(90deg, #000, transparent 48%, #000); }
.hero-orb { position: absolute; z-index: -2; border-radius: 50%; filter: blur(6px); }
.hero-orb-one { width: 620px; height: 620px; top: -340px; right: -140px; background: radial-gradient(circle, rgba(54, 162, 241, 0.22), transparent 66%); }
.hero-orb-two { width: 500px; height: 500px; bottom: -300px; left: -180px; background: radial-gradient(circle, rgba(33, 102, 232, 0.14), transparent 68%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(430px, 0.9fr); align-items: center; gap: clamp(54px, 8vw, 108px); }
.hero-copy { max-width: 680px; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin: 0 0 18px; color: var(--blue); font-size: 0.75rem; font-weight: 820; letter-spacing: 0.14em; text-transform: uppercase; }
.eyebrow > span { width: 24px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--blue), var(--cyan)); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { letter-spacing: -0.045em; line-height: 1.08; }
h1 { max-width: 740px; margin-bottom: 28px; font-size: clamp(3.15rem, 6.2vw, 5.9rem); font-weight: 830; }
h1 em { display: block; color: transparent; font-style: normal; background: linear-gradient(100deg, var(--blue), var(--cyan)); background-clip: text; -webkit-background-clip: text; }
h2 { margin-bottom: 22px; font-size: clamp(2.25rem, 4.3vw, 4.1rem); font-weight: 800; }
h3 { margin-bottom: 16px; font-size: 1.55rem; }
.hero-lede { max-width: 630px; margin-bottom: 34px; color: var(--muted); font-size: clamp(1.05rem, 1.4vw, 1.21rem); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; }

.hero-visual { position: relative; min-width: 0; min-height: 566px; overflow: hidden; border: 1px solid var(--line); border-radius: 34px; background: linear-gradient(145deg, rgba(255,255,255,0.96), rgba(228,240,255,0.78)); box-shadow: var(--shadow); }
.visual-grid { position: absolute; inset: 0; opacity: 0.68; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(145deg, #000, transparent 86%); }
.visual-topline { position: relative; z-index: 2; height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 0.68rem; font-weight: 750; letter-spacing: 0.13em; }
.data-architecture { position: absolute; z-index: 2; inset: 94px 18px 118px; }
.data-architecture svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; fill: none; stroke: rgba(33,102,232,0.33); stroke-width: 1.5; stroke-dasharray: 7 7; }
.arch-node { position: absolute; width: 72px; height: 72px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 20px; background: rgba(255,255,255,0.86); color: var(--navy); box-shadow: 0 14px 32px rgba(35,82,153,0.11); font-size: 0.75rem; font-weight: 800; backdrop-filter: blur(12px); }
.arch-node i { position: absolute; width: 8px; height: 8px; right: 8px; top: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 4px rgba(22,164,216,0.1); }
.arch-source-a { left: 5%; top: 6%; }
.arch-source-b { left: 5%; bottom: 6%; }
.arch-output-a { right: 5%; top: 6%; }
.arch-output-b { right: 5%; bottom: 6%; }
.arch-core { position: absolute; z-index: 2; width: 122px; height: 122px; left: 50%; top: 50%; display: grid; place-content: center; text-align: center; border: 1px solid rgba(33,102,232,0.36); border-radius: 50%; background: linear-gradient(145deg, #fff, #e8f2ff); box-shadow: 0 22px 55px rgba(33,102,232,0.17), inset 0 0 0 14px rgba(33,102,232,0.035); transform: translate(-50%, -50%); }
.arch-core::before { content: ""; position: absolute; inset: -20px; border: 1px dashed rgba(33,102,232,0.21); border-radius: inherit; }
.arch-core span { color: var(--blue); font-size: 1.8rem; font-weight: 850; letter-spacing: 0.04em; line-height: 1; }
.arch-core small { margin-top: 7px; color: var(--muted); font-size: 0.66rem; }
.flow-legend { position: absolute; z-index: 3; left: 22px; right: 22px; bottom: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; padding: 15px 17px; border: 1px solid rgba(255,255,255,0.88); border-radius: 17px; background: rgba(255,255,255,0.77); box-shadow: 0 16px 40px rgba(35,82,153,0.1); backdrop-filter: blur(16px); }
.flow-legend span { display: flex; align-items: center; gap: 7px; min-width: 0; color: var(--muted); font-size: 0.66rem; }
.flow-legend i { flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%; background: var(--blue); }
.flow-legend span:nth-child(2) i { background: #6257d9; }
.flow-legend span:nth-child(3) i { background: var(--cyan); }
.flow-legend b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.flow-caption { position: absolute; z-index: 4; right: 18px; top: 78px; display: flex; align-items: center; gap: 8px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,0.86); color: var(--navy); box-shadow: 0 12px 32px rgba(35,82,153,0.1); font-size: 0.7rem; backdrop-filter: blur(12px); }
.flow-caption > span { width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 5px rgba(22,164,216,0.12); }

.fact-band { border-block: 1px solid var(--line); background: #fff; }
.fact-grid { display: grid; grid-template-columns: 1fr 1.25fr 0.72fr; }
.fact-grid > div { min-height: 124px; display: flex; align-items: center; gap: 16px; padding: 22px 26px; border-right: 1px solid var(--line); }
.fact-grid > div:last-child { border-right: 0; }
.fact-index { color: var(--blue); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.73rem; }
.fact-grid p { margin: 0; }
.fact-grid small, .fact-grid strong { display: block; }
.fact-grid small { color: var(--muted); font-size: 0.72rem; }
.fact-grid strong { font-size: 0.94rem; line-height: 1.45; }

.section { padding: clamp(94px, 10vw, 144px) 0; }
.section-soft { border-block: 1px solid var(--line); background: var(--soft); }
.section-heading { max-width: 790px; margin-bottom: 54px; }
.section-heading > p:not(.eyebrow) { max-width: 650px; color: var(--muted); font-size: 1.08rem; }
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.business-card { position: relative; min-height: 390px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 22px 54px rgba(35,82,153,0.07); transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease; }
.business-card::after { content: ""; position: absolute; width: 190px; height: 190px; right: -100px; bottom: -110px; border-radius: 50%; background: rgba(22,164,216,0.1); filter: blur(18px); }
.business-card:hover { border-color: rgba(33,102,232,0.34); box-shadow: 0 28px 62px rgba(35,82,153,0.12); transform: translateY(-5px); }
.business-card-featured { background: linear-gradient(150deg, #f7faff, #eaf3ff); }
.card-topline { display: flex; align-items: center; justify-content: space-between; padding-bottom: 17px; border-bottom: 1px solid var(--line); color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.69rem; letter-spacing: 0.12em; }
.capability-icon { position: relative; width: 68px; height: 68px; margin: 44px 0 28px; border: 1px solid var(--line); border-radius: 19px; background: var(--soft-blue); }
.capability-icon::before, .capability-icon::after { content: ""; position: absolute; height: 1px; background: rgba(33,102,232,0.42); transform-origin: left center; }
.capability-icon::before { width: 30px; left: 18px; top: 24px; transform: rotate(28deg); }
.capability-icon::after { width: 28px; left: 18px; top: 43px; transform: rotate(-31deg); }
.capability-icon i { position: absolute; z-index: 2; width: 10px; height: 10px; border: 2px solid var(--blue); border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(33,102,232,0.08); }
.capability-icon i:nth-child(1) { left: 13px; top: 29px; }
.capability-icon i:nth-child(2) { right: 11px; top: 14px; }
.capability-icon i:nth-child(3) { right: 11px; bottom: 10px; }
.icon-integrate { background: #f4f1ff; }
.icon-integrate i { border-color: #6257d9; box-shadow: 0 0 0 4px rgba(98,87,217,0.08); }
.icon-integrate::before, .icon-integrate::after { background: rgba(98,87,217,0.4); }
.icon-collaborate { background: #ecf9fb; }
.icon-collaborate i { border-color: var(--cyan); box-shadow: 0 0 0 4px rgba(22,164,216,0.09); }
.icon-collaborate::before, .icon-collaborate::after { background: rgba(22,164,216,0.42); }
.business-card h3, .business-card p, .capability-tags { position: relative; z-index: 2; }
.business-card p { color: var(--muted); }
.capability-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; }
.capability-tags li { padding: 5px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 0.7rem; font-weight: 650; }

.about-grid { display: grid; grid-template-columns: 0.92fr 1.08fr; align-items: center; gap: clamp(56px, 8vw, 112px); }
.about-art { position: relative; min-height: 500px; overflow: hidden; border: 1px solid var(--line); border-radius: 32px; background: #fff; box-shadow: 0 28px 70px rgba(35,82,153,0.09); }
.about-art::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(33,102,232,0.16) 1px, transparent 1px); background-size: 24px 24px; mask-image: radial-gradient(circle at center, #000, transparent 72%); }
.process-route { position: absolute; width: 2px; top: 62px; bottom: 62px; left: 50%; background: linear-gradient(var(--blue), var(--cyan)); opacity: 0.24; }
.process-route::before, .process-route::after { content: ""; position: absolute; left: 50%; width: 11px; height: 11px; border: 2px solid var(--blue); border-radius: 50%; background: #fff; transform: translateX(-50%); }
.process-route::before { top: 0; }
.process-route::after { bottom: 0; border-color: var(--cyan); }
.process-node { position: absolute; z-index: 2; width: 205px; min-height: 92px; display: grid; grid-template-columns: 45px 1fr; grid-template-rows: 1fr 1fr; align-items: center; padding: 17px 19px; border: 1px solid var(--line); border-radius: 19px; background: rgba(255,255,255,0.9); box-shadow: 0 16px 40px rgba(35,82,153,0.1); backdrop-filter: blur(12px); }
.process-node > span { grid-row: 1 / 3; color: var(--blue); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.72rem; }
.process-node b { align-self: end; color: var(--navy); font-size: 1rem; }
.process-node small { align-self: start; color: var(--muted); font-size: 0.58rem; font-weight: 700; letter-spacing: 0.12em; }
.process-node-a { left: 26px; top: 44px; }
.process-node-b { right: 26px; top: 204px; }
.process-node-c { left: 26px; bottom: 44px; }
.about-copy { margin-bottom: 0; }
.about-note { display: flex; align-items: flex-start; gap: 12px; margin-top: 31px; padding-top: 25px; border-top: 1px solid var(--line); }
.about-note > span { flex: 0 0 auto; width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--blue); font-family: Georgia, serif; font-size: 0.78rem; font-weight: 700; }
.about-note p { margin: 0; color: var(--muted); font-size: 0.87rem; }

.contact-section { padding-top: 46px; }
.contact-panel { position: relative; min-height: 440px; display: grid; grid-template-columns: 0.9fr minmax(420px, 0.9fr); align-items: center; gap: 60px; overflow: hidden; padding: clamp(38px, 6vw, 76px); border-radius: 34px; background: linear-gradient(135deg, #12346b, #175abf); color: #fff; box-shadow: 0 32px 80px rgba(18,52,107,0.25); }
.contact-panel::before { content: ""; position: absolute; width: 380px; height: 380px; top: -210px; left: 35%; border: 1px solid rgba(255,255,255,0.11); border-radius: 50%; box-shadow: 0 0 0 70px rgba(255,255,255,0.025), 0 0 0 140px rgba(255,255,255,0.018); }
.contact-copy { position: relative; z-index: 2; }
.contact-copy .eyebrow { color: #87d9f4; }
.contact-copy h2 { max-width: 620px; margin-bottom: 24px; }
.contact-copy > p:last-child { margin: 0; color: rgba(255,255,255,0.68); }
.contact-details { position: relative; z-index: 2; padding: 18px 26px 20px; border: 1px solid rgba(255,255,255,0.17); border-radius: 23px; background: rgba(255,255,255,0.09); backdrop-filter: blur(14px); }
.contact-detail { display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 14px; padding: 17px 0; color: #fff; text-decoration: none; }
.contact-detail + .contact-detail { border-top: 1px solid rgba(255,255,255,0.13); }
a.contact-detail:hover strong { color: #a8e8fc; }
.contact-detail > span:last-child { min-width: 0; }
.contact-detail small, .contact-detail strong { display: block; }
.contact-detail small { margin-bottom: 2px; color: rgba(255,255,255,0.58); font-size: 0.69rem; font-weight: 650; letter-spacing: 0.05em; }
.contact-detail strong { overflow-wrap: anywhere; font-size: 0.92rem; transition: color 180ms ease; }
.contact-detail-icon { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,0.21); border-radius: 13px; color: #83dcf7; font-size: 1rem; font-weight: 750; }
.phone-icon { font-size: 0.9rem; }
.contact-detail-address { align-items: start; }
.contact-detail-address address { color: rgba(255,255,255,0.9); font-style: normal; font-size: 0.79rem; line-height: 1.55; }
.contact-detail-icon.address-icon { position: relative; }
.contact-detail-icon.address-icon::before { content: ""; width: 12px; height: 15px; border: 2px solid #83dcf7; border-radius: 50% 50% 55% 55%; transform: rotate(45deg); }
.contact-detail-icon.address-icon i { position: absolute; width: 4px; height: 4px; top: 18px; border-radius: 50%; background: #83dcf7; }
.copy-button { min-height: 44px; display: inline-flex; align-items: center; gap: 9px; padding: 0 15px; border: 1px solid rgba(255,255,255,0.19); border-radius: 999px; background: rgba(255,255,255,0.1); color: #fff; cursor: pointer; font-size: 0.8rem; font-weight: 700; }
.copy-button:hover { background: rgba(255,255,255,0.17); }
.copy-icon { position: relative; width: 14px; height: 14px; border: 1px solid currentColor; border-radius: 3px; }
.copy-icon::after { content: ""; position: absolute; width: 9px; height: 9px; left: 3px; top: 3px; border: 1px solid currentColor; border-radius: 3px; background: #1a57b1; }
.copy-status { display: block; min-height: 22px; margin-top: 10px; color: #9ee4fb; font-size: 0.76rem; }

.site-footer { padding: 38px 0 48px; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; font-size: 0.8rem; }
.footer-grid p { margin: 0; text-align: center; line-height: 1.5; }
.footer-grid p span { font-size: 0.72rem; }
.footer-link { justify-self: end; text-decoration: none; }
.footer-contact-links { justify-self: end; display: grid; justify-items: end; line-height: 1.65; }
.footer-contact-links a { color: var(--muted); text-decoration: none; }
.footer-contact-links a:hover { color: var(--blue); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 620ms ease, transform 620ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 940px) {
  .hero { min-height: auto; }
  .hero-grid, .about-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 540px; }
  .business-grid { grid-template-columns: 1fr 1fr; }
  .business-card:last-child { grid-column: 1 / -1; }
  .about-art { min-height: 440px; }
  .contact-panel { grid-template-columns: 1fr; gap: 34px; }
  .fact-grid { grid-template-columns: 1fr 1fr; }
  .fact-grid > div:last-child { grid-column: 1 / -1; border-top: 1px solid var(--line); }
  .fact-grid > div:nth-child(2) { border-right: 0; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-grid > *, .footer-link, .footer-contact-links { justify-self: center; }
  .footer-contact-links { justify-items: center; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .menu-button { display: block; }
  .site-nav { position: absolute; left: 16px; right: 16px; top: calc(var(--header-height) - 2px); display: none; align-items: stretch; flex-direction: column; gap: 4px; padding: 16px; border: 1px solid var(--line); border-radius: 19px; background: rgba(255,255,255,0.98); box-shadow: var(--shadow); }
  .site-nav.is-open { display: flex; }
  .site-nav > a { min-height: 46px; display: flex; align-items: center; padding: 0 12px; }
  .site-nav .button { justify-content: center; }
  .language-button { width: 100%; min-height: 44px; justify-content: flex-start; padding-inline: 12px; border-radius: 10px; }
  .hero { padding-top: calc(var(--header-height) + 52px); }
  h1 { font-size: clamp(2.8rem, 14vw, 4.4rem); }
  h2 { font-size: clamp(2.18rem, 10vw, 3.2rem); }
  .hero-grid { gap: 48px; }
  .hero-visual { min-height: 470px; }
  .data-architecture { inset-inline: 8px; }
  .business-grid, .fact-grid { grid-template-columns: 1fr; }
  .business-card { min-height: 370px; }
  .business-card:last-child { grid-column: auto; }
  .fact-grid > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .fact-grid > div:last-child { grid-column: auto; border-top: 0; border-bottom: 0; }
  .contact-panel { padding-inline: 25px; }
}

@media (max-width: 430px) {
  .brand-copy strong { font-size: 0.92rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-visual { min-height: 440px; border-radius: 26px; }
  .visual-topline { padding-inline: 17px; }
  .data-architecture { inset: 86px 4px 112px; }
  .arch-node { width: 58px; height: 58px; border-radius: 16px; font-size: 0.66rem; }
  .arch-core { width: 104px; height: 104px; }
  .flow-legend { left: 12px; right: 12px; bottom: 16px; padding-inline: 12px; }
  .flow-legend span { font-size: 0.59rem; }
  .flow-caption { top: 72px; right: 12px; }
  .business-card { min-height: 350px; padding: 25px; }
  .about-art { min-height: 390px; }
  .process-node { width: 180px; padding-inline: 14px; }
  .process-node-a, .process-node-c { left: 15px; }
  .process-node-b { right: 15px; }
  .contact-details { padding-inline: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
}