:root {
  color-scheme: light;
  --wine: #470a26;
  --wine-dark: #32051b;
  --gold: #ae8444;
  --gold-light: #eddbb8;
  --ink: #302a2e;
  --muted: #716a6c;
  --line: #e5dfe0;
  --paper: #fff;
  --canvas: #f7f5f3;
  --soft: #f3ecee;
  --radius: 18px;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  font-synthesis: none;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); line-height: 1.55; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }
button, a, h1 { touch-action: manipulation; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
h1:focus { outline: none; }
button:disabled { cursor: default; }
button svg, a svg { width: 20px; height: 20px; flex-shrink: 0; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
[hidden], .stage[hidden] { display: none !important; }
h1, h2, p { margin-top: 0; }
fieldset { min-width: 0; margin: 0; border: 0; padding: 0; }
legend { padding: 0; }
.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: 20px; top: 10px; padding: 10px 18px; background: var(--wine); color: white; border-radius: 8px; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.header { background: white; border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1380px; min-height: 92px; margin: 0 auto; padding: 13px 36px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo { width: 65px; flex: 0 0 65px; border-radius: 5px; }
.brand-copy strong { display: block; color: var(--wine); font-size: 22px; font-weight: 750; letter-spacing: .075em; }
.brand-copy span { display: block; font-size: 12px; color: var(--muted); letter-spacing: .02em; }
.header-right { display: flex; align-items: center; gap: 18px; }
.client-logo { width: 232px; border-radius: 6px; }
.photo { position: relative; overflow: hidden; aspect-ratio: var(--photo-ratio); }
.photo img { position: absolute; display: block; width: var(--photo-width); height: auto; max-width: none; left: var(--photo-left); top: var(--photo-top); }
.photo-nv { --photo-ratio: 198 / 188; --photo-width: 161.6162%; --photo-left: -30.8081%; --photo-top: -35.1064%; }
.photo-santa { --photo-ratio: 1293 / 334; --photo-width: 127.9196%; --photo-left: -7.8886%; --photo-top: -73.0539%; }
.photo-ucg { --photo-ratio: 2400 / 785; --photo-width: 125%; --photo-left: -12.5%; --photo-top: -154.1401%; }
.photo-udm { --photo-ratio: 2400 / 470; --photo-width: 125%; --photo-left: -12.5%; --photo-top: -276.5957%; }
.photo-u7 { --photo-ratio: 1; --photo-width: 125%; --photo-left: -12.5%; --photo-top: -12.5%; }
.photo-switch { --photo-ratio: 680 / 200; --photo-width: 102.9412%; --photo-left: -1.4706%; --photo-top: -70%; }
.photo-rack { --photo-ratio: 515 / 365; --photo-width: 122.5243%; --photo-left: -12.6214%; --photo-top: -23.2877%; }
.photo-gbic { --photo-ratio: 460 / 310; --photo-width: 108.6957%; --photo-left: -4.3478%; --photo-top: -29.0323%; }
.shell { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; max-width: 1380px; padding: 34px 36px 20px; margin: 0 auto; }
.sidebar { align-self: start; position: sticky; top: 28px; }
.sidebar-heading { display: flex; align-items: center; justify-content: space-between; margin: 4px 0 16px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .15em; }
.step-list { list-style: none; padding: 0; margin: 0; }
.step-list li + li { margin-top: 5px; }
.step-list button { width: 100%; display: flex; align-items: center; gap: 12px; border: 1px solid transparent; border-radius: 11px; background: transparent; color: var(--muted); text-align: left; padding: 13px 10px; transition: background .2s, color .2s; }
.step-list button:hover { background: #eee8e9; color: var(--wine); }
.step-list button[aria-current="step"] { color: var(--wine); background: #efe6e9; border-color: #e4d4db; }
.step-list strong { display: block; font-size: 13px; font-weight: 650; }
.step-list small { display: block; font-size: 10px; line-height: 1.5; margin-top: 2px; }
.step-number { display: grid; place-items: center; flex: 0 0 30px; height: 30px; border: 1px solid #d8cccf; border-radius: 8px; font-size: 11px; font-weight: 700; }
[aria-current="step"] .step-number { color: white; background: var(--wine); border-color: var(--wine); }
.sidebar-note { border-top: 1px solid var(--line); margin-top: 25px; padding: 22px 8px 0; font-size: 11px; color: var(--muted); }
.sidebar-note strong { display: block; color: var(--ink); font-size: 12px; margin: 8px 0 5px; }
.sidebar-note > span { display: block; }
.present-button { display: flex; align-items: center; gap: 8px; border: 0; background: transparent; padding: 12px 8px; margin-top: 12px; color: var(--wine); font-size: 12px; }
.present-button svg { width: 16px; height: 16px; }
.icon-button { display: grid; place-items: center; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); background: white; border-radius: 9px; color: var(--wine); }
.menu-button, .menu-close { display: none; }
.main { min-width: 0; }
.context-bar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 0 3px 19px; }
.tiny-label { display: block; font-size: 10px; line-height: 1.5; letter-spacing: .13em; font-weight: 750; color: var(--muted); }
.context-title { display: block; color: var(--wine); font-size: 16px; font-weight: 600; margin-top: 2px; }
.configuration-switch legend { color: var(--muted); font-size: 10px; text-align: right; margin-bottom: 6px; }
.segmented { display: inline-flex; padding: 4px; border: 1px solid #dfd5d9; border-radius: 10px; background: #f0eaec; gap: 3px; }
.segmented button { min-height: 39px; border: 0; border-radius: 7px; padding: 8px 15px; background: transparent; color: var(--muted); font-size: 12px; font-weight: 650; transition: background .2s, color .2s; }
.segmented button[aria-pressed="true"] { background: var(--wine); color: white; box-shadow: 0 2px 4px #470a2615; }
.segmented button:not([aria-pressed="true"]):hover { color: var(--wine); background: #e4d9de; }
.progress-track { height: 3px; background: #e8dfe2; border-radius: 3px; margin: 0 1px 25px; overflow: hidden; }
.progress-track > div { width: 14.2857%; height: 100%; border-radius: inherit; background: var(--gold); transition: width .3s ease; }
.stage { padding: 35px 36px 31px; background: white; border: 1px solid var(--line); border-radius: var(--radius); animation: stage-in .28s ease both; }
@keyframes stage-in { from { opacity: .4; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
.eyebrow { display: block; font-size: 10px; letter-spacing: .15em; font-weight: 750; color: var(--gold); margin: 0 0 18px; }
h1 { font-size: clamp(34px, 3.3vw, 46px); font-weight: 650; line-height: 1.13; letter-spacing: -.04em; color: var(--wine); margin-bottom: 20px; }
h2 { font-size: 17px; line-height: 1.4; font-weight: 650; letter-spacing: -.015em; margin-bottom: 8px; }
.lead { font-size: 14px; line-height: 1.8; color: var(--muted); max-width: 680px; margin-bottom: 28px; }
.small-text { font-size: 11px; line-height: 1.7; color: var(--muted); margin: 18px 0 0; }
.hero-stage { padding: 0; display: grid; grid-template-columns: 1.15fr .85fr; overflow: hidden; min-height: 552px; }
.hero-copy { padding: 48px 36px 38px; }
.hero-copy h1 { font-size: clamp(36px, 3.6vw, 49px); margin-bottom: 24px; }
.hero-copy h1 span { color: var(--ink); }
.hero-copy .lead { font-size: 14px; margin-bottom: 35px; }
.hero-facts { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; border-top: 1px solid var(--line); padding-top: 26px; }
.hero-facts strong { display: block; color: var(--wine); font-size: 23px; line-height: 1.2; font-weight: 650; white-space: nowrap; }
.hero-facts span { display: block; font-size: 10px; line-height: 1.6; color: var(--muted); margin-top: 7px; }
.hero-note { margin-top: 25px; }
.hero-product { background: linear-gradient(150deg, #f4eeea, #ebe3de); padding: 38px 28px 26px; display: flex; flex-direction: column; justify-content: space-between; position: relative; }
.hero-product::before { content: ""; position: absolute; width: 100px; top: 0; height: 3px; right: 28px; background: var(--gold); }
.hero-product > .tiny-label { color: var(--wine); }
.hero-photo { width: 100%; margin: 57px auto 35px; filter: drop-shadow(0 17px 13px #382c2920); }
.quantity { display: inline-block; font-size: 10px; font-weight: 600; color: var(--wine); border: 1px solid #d8c8bb; border-radius: 5px; padding: 4px 7px; margin-bottom: 11px; }
.hero-product-text h2 { color: var(--wine); font-size: 20px; margin-bottom: 9px; }
.hero-product-text p { color: var(--muted); font-size: 12px; line-height: 1.75; margin-bottom: 20px; }
.brand-pair { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 17px; border-top: 1px solid #dacfca; font-size: 10px; color: #77655b; }
.scope-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 33px; margin-top: 30px; }
.scope-row { display: flex; gap: 15px; padding: 17px 0; border-top: 1px solid var(--line); }
.scope-row:first-child { padding-top: 0; border: 0; }
.scope-index { font-size: 11px; font-weight: 700; color: var(--gold); padding-top: 4px; }
.scope-row h2 { font-size: 15px; margin-bottom: 6px; }
.scope-row p { font-size: 12px; line-height: 1.8; color: var(--muted); margin-bottom: 0; }
.scope-aside { align-self: start; padding: 25px; border-radius: 12px; background: var(--wine); color: white; }
.scope-aside .tiny-label { color: var(--gold-light); }
.scope-aside h2 { font-size: 20px; margin-top: 17px; margin-bottom: 18px; }
.scope-aside p { font-size: 12px; line-height: 1.8; color: #e5d4dc; }
.scope-aside-rule { height: 1px; background: #ffffff2e; margin: 19px 0; }
.scope-aside > strong { font-size: 11px; line-height: 1.7; display: block; color: #eeddbd; }
.scenario-controls legend, .payment-switch legend { font-size: 11px; font-weight: 600; color: var(--muted); margin-bottom: 9px; }
.scenario-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.scenario-buttons button { min-height: 41px; padding: 9px 14px; background: white; border: 1px solid var(--line); border-radius: 8px; font-size: 11px; font-weight: 600; color: var(--muted); }
.scenario-buttons button[aria-pressed="true"] { color: var(--wine); background: var(--soft); border-color: #bea2af; }
.network-diagram { display: grid; grid-template-columns: 1fr 1fr; gap: 0 25px; margin-top: 23px; padding: 23px; background: #faf8f6; border: 1px solid var(--line); border-radius: 13px; }
.network-unit { min-width: 0; text-align: center; }
.unit-header { display: flex; align-items: center; justify-content: center; gap: 7px; margin-bottom: 13px; }
.unit-header h2 { margin: 0; font-size: 15px; color: var(--wine); }
.unit-dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; }
.source-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 5px; min-height: 27px; }
.source-chips span { padding: 4px 8px; background: #f0e9e3; color: #76675d; border: 1px solid #e5d7c9; border-radius: 5px; font-size: 9px; }
.starlink-chip { background: white !important; }
.connection-stem { height: 13px; width: 1px; background: #c8b2bc; margin: 0 auto; }
.network-gateway { padding: 13px 12px; background: var(--wine); color: white; border-radius: 8px; min-height: 94px; }
.network-gateway .tiny-label { font-size: 8px; color: #e1c5a0; }
.network-gateway strong { display: block; font-size: 16px; margin: 3px 0; }
.network-gateway small { display: block; font-size: 9px; color: #ebdce4; }
.network-switch { border: 1px solid #d8c9d0; padding: 10px; border-radius: 8px; background: white; }
.network-switch strong, .network-local strong { display: block; font-size: 11px; font-weight: 600; }
.network-switch span, .network-local span { display: block; font-size: 9px; color: var(--muted); }
.network-local { padding: 9px 10px; border-radius: 7px; background: #eee7e8; }
.fiber-link { grid-column: 1 / -1; padding-top: 18px; text-align: center; }
.fiber-line { display: block; height: 13px; border: 1px solid var(--gold); border-top: 0; width: 55%; margin: 0 auto 10px; }
.fiber-link strong { display: block; font-size: 11px; color: var(--wine); }
.fiber-link span:not(.fiber-line) { display: block; font-size: 9px; color: var(--muted); margin-top: 2px; }
.fiber-link small { display: inline-block; padding: 2px 8px; margin-top: 7px; border-radius: 4px; font-size: 9px; background: #eaf0e9; color: #466040; }
[data-state="backup"] .network-gateway { background: #755429; }
[data-state="backup"] .fiber-link small { background: #f0e5d2; color: #775119; }
[data-state="interrupted"] .fiber-line { border-style: dashed; border-color: #9a4352; }
[data-state="interrupted"] .fiber-link small { background: #f8e6e9; color: #903b4c; }
.scenario-detail { margin: 15px 0 0; padding: 13px 17px; border-left: 2px solid var(--gold); background: #faf7f2; font-size: 12px; line-height: 1.7; }
.equipment-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 8px; }
.equipment-card { min-width: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.equipment-visual { height: 164px; padding: 20px 19px; display: flex; align-items: center; justify-content: center; background: #faf9f7; border-bottom: 1px solid var(--line); }
.equipment-visual .photo { width: 100%; }
.equipment-visual .photo-u7 { width: 123px; }
.equipment-visual .photo-rack { width: 159px; }
.equipment-visual .photo-gbic { width: 168px; }
.equipment-copy { padding: 17px 17px 14px; display: flex; flex-direction: column; flex: 1; }
.equipment-quantity { font-size: 9px; font-weight: 700; letter-spacing: .025em; color: var(--gold); margin-bottom: 6px; }
.equipment-copy h2 { font-size: 14px; margin-bottom: 8px; }
.equipment-copy p { font-size: 11px; line-height: 1.7; color: var(--muted); margin-bottom: 16px; }
.equipment-price { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }
.equipment-price small { display: block; font-size: 9px; color: var(--muted); margin-bottom: 3px; }
.equipment-price strong { font-size: 18px; line-height: 1.4; font-weight: 650; color: var(--wine); }
.equipment-card.gateway { grid-column: span 2; display: grid; grid-template-columns: 1fr 1fr; border-color: #d9c3cb; }
.equipment-card.gateway .equipment-visual { height: auto; min-height: 250px; padding: 22px; border-bottom: 0; border-right: 1px solid var(--line); background: #f3edeb; }
.equipment-card.gateway .equipment-copy { padding: 25px 21px 20px; }
.equipment-card.gateway h2 { font-size: 17px; }
.material-strip { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 19px 20px; margin-top: 20px; border: 1px solid var(--line); border-radius: 10px; background: #faf8f6; }
.material-strip > div > strong { display: block; font-size: 12px; margin-top: 4px; }
.material-strip > span { font-size: 11px; color: var(--muted); }
.material-strip > strong { color: var(--wine); font-size: 17px; white-space: nowrap; }
.section-total { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 19px 2px 0; font-size: 12px; }
.section-total > strong { font-size: 23px; color: var(--wine); white-space: nowrap; font-weight: 650; }
.service-main { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 25px; margin: 26px 0 24px; background: var(--wine); border-radius: 12px; color: white; }
.service-main .tiny-label { color: #e1c5a0; }
.service-main h2 { margin-top: 9px; font-size: 21px; }
.service-main p { font-size: 12px; color: #e2cfd8; max-width: 440px; margin-bottom: 0; line-height: 1.75; }
.service-main > strong { font-size: 26px; font-weight: 650; white-space: nowrap; }
.delivery-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 22px 30px; }
.delivery-list li { display: flex; gap: 11px; }
.delivery-list li > span { display: grid; place-items: center; height: 25px; flex: 0 0 25px; background: #f0e9e5; color: var(--gold); border-radius: 6px; font-size: 9px; font-weight: 700; }
.delivery-list strong { display: block; font-size: 12px; margin: 1px 0 5px; }
.delivery-list p { font-size: 11px; line-height: 1.8; color: var(--muted); margin-bottom: 0; }
.starlink-service { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 21px 24px; margin-top: 27px; border: 1px solid var(--line); border-radius: 10px; background: #faf8f6; }
.starlink-service h2 { font-size: 15px; margin: 6px 0; }
.starlink-service p { font-size: 11px; color: var(--muted); margin: 0; }
.starlink-service > strong { font-size: 21px; color: var(--wine); white-space: nowrap; }
.service-notes { margin-top: 19px; padding-top: 16px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 9px 20px; font-size: 10px; color: var(--muted); }
.service-notes strong { color: var(--wine); }
.option-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; margin-top: 27px; }
.option-card { display: flex; flex-direction: column; min-width: 0; text-align: left; padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: #faf9f8; color: var(--ink); transition: border-color .2s, background .2s; }
.option-card[aria-pressed="true"] { background: #f4ecef; border-color: #97647b; box-shadow: inset 0 0 0 1px #97647b; }
.option-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.selection-mark { width: 18px; height: 18px; border: 1px solid #c9bcc2; border-radius: 50%; background: white; }
[aria-pressed="true"] .selection-mark { border: 5px solid var(--wine); }
.option-card h2 { font-size: 18px; }
.option-card p { font-size: 12px; line-height: 1.8; color: var(--muted); margin-bottom: 22px; }
.option-price { margin-top: auto; font-size: 28px; font-weight: 650; line-height: 1.4; color: var(--wine); white-space: nowrap; }
.option-saving { display: block; font-size: 10px; line-height: 1.7; color: #715629; margin-top: 10px; }
.option-saving.neutral { color: var(--muted); }
.investment-breakdown { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; padding: 25px 5px; }
.investment-breakdown span { display: block; font-size: 11px; color: var(--muted); }
.investment-breakdown strong { display: block; margin-top: 5px; font-size: 18px; font-weight: 650; }
.investment-total { background: var(--wine); border-radius: 11px; color: white; display: flex; justify-content: space-between; align-items: center; padding: 24px 27px; gap: 20px; }
.investment-total .tiny-label { color: #e1c5a0; }
.investment-total #total-configuration { display: block; font-size: 12px; margin-top: 7px; color: #f3e6ec; }
.investment-total > strong { font-size: clamp(25px, 2.8vw, 34px); font-weight: 600; letter-spacing: -.025em; white-space: nowrap; }
.payment-switch { margin: 27px 0 24px; }
.payment-switch .segmented { background: #f3edef; }
.payment-layout { display: grid; grid-template-columns: 1.05fr 1fr; gap: 30px; }
.payment-card { border-radius: 12px; background: var(--wine); color: white; padding: 26px; }
.payment-card .tiny-label { color: var(--gold-light); }
.payment-total { display: block; font-size: clamp(31px, 3vw, 39px); line-height: 1.3; font-weight: 600; letter-spacing: -.025em; margin: 16px 0 6px; white-space: nowrap; }
.payment-subtitle { display: block; font-size: 11px; color: #e8d5de; }
.payment-events { border-top: 1px solid #ffffff2e; margin-top: 23px; padding-top: 17px; }
.payment-event { display: grid; grid-template-columns: 23px 1fr; gap: 11px; padding: 9px 0; }
.payment-event-index { height: 23px; background: #ffffff16; border: 1px solid #ffffff26; border-radius: 5px; font-size: 9px; display: grid; place-items: center; color: var(--gold-light); }
.payment-event-name { display: block; font-size: 11px; color: #ead9e1; }
.payment-event-value { display: block; font-size: 20px; font-weight: 600; margin-top: 3px; }
.payment-event-note { display: block; color: #d9bccb; font-size: 9px; line-height: 1.7; margin-top: 3px; }
.closing-info { padding: 8px 0 0; }
.closing-info h2 { font-size: 17px; color: var(--wine); }
.closing-info ul { margin: 17px 0 0; padding-left: 17px; font-size: 11px; color: var(--muted); line-height: 1.9; }
.closing-info li { padding-left: 4px; margin-bottom: 9px; }
.closing-info li::marker { color: var(--gold); }
.next-steps { margin: 26px 0 22px; padding: 19px 21px; border: 1px solid var(--line); background: #faf8f6; border-radius: 10px; }
.next-steps p { font-size: 12px; line-height: 1.8; margin: 7px 0 0; color: var(--muted); }
.closing-actions { display: flex; flex-wrap: wrap; gap: 11px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 11px; border: 1px solid transparent; min-height: 47px; padding: 12px 20px; text-decoration: none; border-radius: 9px; font-size: 12px; font-weight: 600; line-height: 1.5; transition: background .2s, border-color .2s; }
.button-primary { color: white; background: var(--wine); border-color: var(--wine); }
.button-primary:hover { background: var(--wine-dark); border-color: var(--wine-dark); }
.button-secondary { color: var(--wine); background: white; border-color: #dcd0d6; }
.button-secondary:hover { background: #f1e9ed; border-color: #baa1ad; }
.button:disabled { opacity: .4; background: transparent; }
.deck-footer { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 24px 0 20px; }
.footer-step { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }
.legal-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 7px 18px; padding: 16px 0 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 9px; }
.legal-footer a { text-decoration: none; }
.legal-footer a:hover { color: var(--wine); text-decoration: underline; }
.legal-separator { margin: 0 8px; }
.noscript-note { max-width: 900px; padding: 20px; margin: 10px auto; background: #fff4d8; font-size: 13px; }
body:fullscreen { background: var(--canvas); overflow-y: auto; }
@media (min-width: 1600px) {
  .header-inner, .shell { max-width: 1480px; }
  .shell { grid-template-columns: 230px minmax(0, 1fr); gap: 48px; }
  .hero-stage { min-height: 590px; }
  .hero-copy { padding: 52px 44px 40px; }
  h1 { font-size: 49px; }
  .hero-copy h1 { font-size: 53px; }
}
@media (max-width: 1100px) {
  .shell { grid-template-columns: 194px minmax(0, 1fr); gap: 23px; padding-left: 25px; padding-right: 25px; }
  .header-inner { padding-left: 25px; padding-right: 25px; }
  .stage { padding: 28px; }
  .hero-stage { padding: 0; }
  .hero-copy { padding: 37px 28px; }
  .hero-product { padding: 32px 23px 23px; }
  .hero-copy h1 { font-size: 38px; }
  .hero-facts { gap: 9px; }
  .hero-facts strong { font-size: 21px; }
  .scope-layout { gap: 24px; }
  .scope-aside { padding: 22px; }
  .service-main { padding: 23px; gap: 20px; }
  .service-main > strong { font-size: 22px; }
  .option-card { padding: 21px; }
  .option-price { font-size: 25px; }
}
@media (max-width: 980px) {
  .shell { display: block; max-width: 900px; padding: 25px 28px 18px; }
  .header-inner { max-width: 900px; padding: 12px 28px; min-height: 85px; }
  .brand-logo { width: 58px; flex-basis: 58px; }
  .client-logo { width: 206px; }
  .menu-button, .menu-close { display: grid; }
  .sidebar { display: none; position: fixed; z-index: 50; top: 0; right: 0; width: 310px; height: 100dvh; overflow-y: auto; background: var(--canvas); padding: 20px; box-shadow: -10px 0 40px #23051226; }
  .sidebar.is-open { display: block; }
  .sidebar-heading { margin-top: 0; }
  .menu-close { border: 0; background: transparent; }
  .menu-backdrop { position: fixed; z-index: 40; inset: 0; background: #23051280; }
  body.menu-open { overflow: hidden; }
  .step-list button { padding: 13px 12px; }
  .step-list strong { font-size: 14px; }
  .step-list small { font-size: 11px; }
  .hero-stage { min-height: 510px; }
}
@media (max-width: 700px) {
  .header-inner { min-height: 79px; padding: 11px 20px; }
  .brand-logo { width: 50px; flex-basis: 50px; }
  .brand { gap: 10px; }
  .brand-copy strong { font-size: 18px; }
  .brand-copy span { font-size: 10px; }
  .client-logo { width: 167px; }
  .header-right { gap: 12px; }
  .shell { padding: 22px 20px 12px; }
  .context-bar { gap: 12px; }
  .context-title { font-size: 14px; }
  .configuration-switch legend { font-size: 9px; }
  .segmented button { padding: 8px 12px; font-size: 11px; }
  .stage { padding: 28px 25px; }
  h1 { font-size: 36px; }
  .hero-stage { display: block; padding: 0; }
  .hero-copy { padding: 32px 27px; }
  .hero-copy h1 { font-size: 41px; }
  .hero-copy .lead { max-width: 510px; margin-bottom: 28px; }
  .hero-product { padding: 25px 27px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 25px; }
  .hero-product > .tiny-label { grid-column: 1 / -1; }
  .hero-photo { margin: 25px auto; align-self: center; }
  .hero-product-text h2 { font-size: 18px; }
  .hero-product-text p { font-size: 11px; margin-bottom: 0; }
  .brand-pair { grid-column: 1 / -1; margin-top: 10px; }
  .scope-layout { grid-template-columns: 1fr; }
  .scope-aside { padding: 25px; }
  .scope-aside h2 br { display: none; }
  .network-diagram { gap: 0 15px; padding: 20px 15px; }
  .equipment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .equipment-card.gateway { grid-column: 1 / -1; }
  .equipment-card.gateway .equipment-visual { min-height: 220px; }
  .equipment-card:last-child { grid-column: auto; }
  .service-main { align-items: flex-start; flex-direction: column; gap: 16px; }
  .service-main > strong { font-size: 26px; }
  .delivery-list { gap: 22px; }
  .option-card { padding: 19px; }
  .option-card h2 { font-size: 16px; }
  .option-price { font-size: 23px; }
  .investment-total { padding: 23px; }
  .payment-layout { grid-template-columns: 1fr; gap: 23px; }
  .payment-card { padding: 27px; }
  .payment-events { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
  .payment-events[data-payment="scheduled"] { grid-template-columns: 1fr; gap: 2px; }
  .closing-info { padding: 0 2px; }
  .legal-footer { font-size: 9px; }
}
@media (max-width: 480px) {
  .header-inner { padding: 10px 16px; gap: 10px; }
  .brand-logo { width: 46px; flex-basis: 46px; }
  .brand-copy { display: none; }
  .client-logo { width: 176px; }
  .header-right { gap: 12px; }
  .shell { padding: 19px 15px 10px; }
  .context-bar { padding-bottom: 17px; }
  .context-title { font-size: 12px; }
  .context-bar .tiny-label { font-size: 8px; letter-spacing: .08em; }
  .configuration-switch legend { font-size: 8px; }
  .configuration-switch .segmented { padding: 3px; gap: 2px; }
  .configuration-switch .segmented button { font-size: 10px; min-height: 39px; padding: 7px 10px; }
  .progress-track { margin-bottom: 19px; }
  .stage { padding: 25px 21px; border-radius: 13px; }
  .eyebrow { font-size: 9px; letter-spacing: .12em; margin-bottom: 16px; }
  h1 { font-size: 33px; }
  .lead { font-size: 12px; line-height: 1.85; margin-bottom: 24px; }
  .hero-stage { padding: 0; }
  .hero-copy { padding: 28px 23px; }
  .hero-copy h1 { font-size: 37px; }
  .hero-copy .lead { font-size: 12px; }
  .hero-facts { gap: 11px; padding-top: 24px; }
  .hero-facts strong { font-size: 20px; }
  .hero-facts span { font-size: 9px; }
  .hero-note { font-size: 10px; margin-top: 22px; }
  .hero-product { display: flex; padding: 24px; gap: 0; }
  .hero-photo { width: 90%; margin: 42px auto 32px; }
  .hero-product-text h2 { font-size: 20px; }
  .hero-product-text p { font-size: 12px; margin-bottom: 11px; }
  .brand-pair { width: 100%; }
  .scope-row h2 { font-size: 14px; }
  .scope-row p { font-size: 11px; }
  .scope-aside { padding: 23px; }
  .scope-aside h2 { font-size: 19px; }
  .scenario-buttons { display: grid; grid-template-columns: 1fr; gap: 7px; }
  .scenario-buttons button { min-height: 44px; text-align: left; padding-left: 15px; }
  .network-diagram { padding: 17px 11px; gap: 0 10px; }
  .source-chips { min-height: 57px; align-content: flex-start; }
  .source-chips span { font-size: 8px; padding: 4px 5px; }
  .network-gateway { padding: 11px 6px; min-height: 96px; }
  .network-gateway strong { font-size: 13px; }
  .network-gateway small { font-size: 8px; }
  .network-gateway .tiny-label { font-size: 7px; letter-spacing: .06em; }
  .network-switch { padding: 10px 4px; }
  .network-switch strong, .network-local strong { font-size: 9px; }
  .network-switch span, .network-local span { font-size: 8px; }
  .network-local { padding: 10px 3px; }
  .fiber-link strong { font-size: 10px; }
  .fiber-link span:not(.fiber-line) { font-size: 8px; }
  .scenario-detail { font-size: 11px; padding: 12px 14px; }
  .equipment-grid { grid-template-columns: 1fr; }
  .equipment-card.gateway { display: flex; }
  .equipment-card.gateway .equipment-visual { min-height: 165px; height: 165px; border-right: 0; border-bottom: 1px solid var(--line); padding: 28px 30px; }
  .equipment-card.gateway .equipment-copy { padding: 19px; }
  .equipment-visual { height: 176px; }
  .equipment-visual .photo-ucg { max-width: 265px; }
  .equipment-visual .photo-udm { max-width: 280px; }
  .equipment-visual .photo-switch { max-width: 280px; }
  .equipment-copy { padding: 19px; }
  .equipment-copy h2 { font-size: 16px; }
  .equipment-copy p { font-size: 12px; }
  .equipment-quantity { font-size: 10px; }
  .equipment-price { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
  .equipment-price small { margin: 0; }
  .equipment-price strong { font-size: 20px; white-space: nowrap; }
  .material-strip { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 16px; }
  .material-strip > div { grid-column: 1 / -1; }
  .material-strip > strong { font-size: 17px; }
  .section-total { font-size: 11px; align-items: flex-start; }
  .section-total > strong { font-size: 21px; }
  .service-main { padding: 22px; }
  .service-main h2 { font-size: 19px; }
  .delivery-list { grid-template-columns: 1fr; gap: 20px; }
  .starlink-service { padding: 19px; flex-direction: column; align-items: flex-start; gap: 14px; }
  .option-cards { grid-template-columns: 1fr; gap: 12px; }
  .option-card { padding: 22px; }
  .option-card h2 { font-size: 18px; }
  .option-card-top { margin-bottom: 16px; }
  .option-card p { margin-bottom: 16px; }
  .option-price { font-size: 28px; }
  .investment-breakdown { grid-template-columns: 1fr; gap: 12px; padding: 24px 2px; }
  .investment-breakdown > div { display: flex; align-items: center; justify-content: space-between; gap: 15px; }
  .investment-breakdown strong { font-size: 16px; margin: 0; }
  .investment-total { flex-direction: column; align-items: flex-start; gap: 17px; padding: 23px; }
  .investment-total > strong { font-size: 34px; }
  .payment-switch .segmented { display: flex; flex-direction: column; width: 100%; padding: 5px; }
  .payment-switch .segmented button { min-height: 43px; text-align: left; padding-left: 14px; }
  .payment-card { padding: 23px; }
  .payment-total { font-size: 34px; }
  .payment-events { grid-template-columns: 1fr; gap: 3px; }
  .payment-event-value { font-size: 22px; }
  .closing-actions { display: grid; grid-template-columns: 1fr; }
  .closing-actions .button { width: 100%; font-size: 11px; }
  .deck-footer { padding: 19px 0 17px; gap: 10px; }
  .deck-footer .button { padding: 11px 14px; font-size: 11px; gap: 7px; }
  .footer-step { font-size: 9px; }
  .deck-footer .button svg { width: 16px; }
  .legal-footer { font-size: 8px; flex-direction: column; gap: 8px; }
  .sidebar { width: min(310px, 100%); }
}
@media (max-width: 360px) {
  .client-logo { width: 156px; }
  .hero-copy h1 { font-size: 33px; }
  .hero-facts { gap: 7px; }
  .hero-facts strong { font-size: 18px; }
  .stage { padding: 23px 18px; }
  .hero-stage { padding: 0; }
  .hero-copy { padding: 26px 21px; }
  h1 { font-size: 29px; }
  .deck-footer .button { padding: 11px 10px; font-size: 10px; }
  .footer-step { font-size: 8px; }
  .payment-total, .investment-total > strong { font-size: 29px; }
  .payment-card { padding: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  body { background: white; color: #222; font-size: 10pt; }
  .header-inner { min-height: 70px; padding: 0 0 15px; }
  .shell { display: block; padding: 0; }
  .sidebar, .context-bar, .progress-track, .deck-footer, .menu-backdrop, .skip-link, .scenario-controls, .payment-switch, .closing-actions, .presentation-announcement, .noscript-note { display: none !important; }
  .stage, .stage[hidden] { display: block !important; break-inside: avoid; border: 0; border-radius: 0; padding: 24px 0; margin: 0; }
  .stage + .stage { break-before: page; }
  .hero-stage { display: grid !important; min-height: 0; }
  h1 { font-size: 32px; }
  .hero-copy { padding: 20px 20px 20px 0; }
  .hero-copy h1 { font-size: 35px; }
  .hero-product { padding: 22px; }
  .hero-product-text p { margin-bottom: 15px; }
  .equipment-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .equipment-card { break-inside: avoid; }
  .equipment-card.gateway { display: grid; grid-column: span 2; }
  .equipment-visual { height: 135px; }
  .payment-layout { grid-template-columns: 1fr 1fr; }
  .payment-events { display: block; }
  .legal-footer { padding-top: 20px; }
  .button, .segmented button, .option-card { box-shadow: none; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}