/* Three independent, fictional Northline sites inside one responsive canvas. */
#concept-frame { position: relative; container-type: inline-size; }
.browser-bar small { margin-left: auto; color: var(--muted); font-size: .75rem; line-height: 1.4; }
#preview-width { display: inline-flex; align-items: center; justify-content: flex-end; min-width: 4.5em; margin-left: .25rem; color: var(--ink); font-size: .75rem; font-variant-numeric: tabular-nums; }
.room-status { position: absolute; right: 20px; bottom: 72px; max-width: min(26ch, calc(100% - 40px)); margin: 0; padding: .65rem .85rem; border-radius: 8px; background: var(--ink); color: var(--paper-bright); font-size: .8125rem; }
.room-status.is-ready { width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
#concept-frame[data-style] .concept-site { --concept-accent: var(--cobalt); min-width: 0; min-height: 510px; font-family: var(--body); line-height: 1.5; letter-spacing: normal; }
.concept-site button { font: inherit; }
.concept-site h3 { margin: 0; text-wrap: balance; }
.sample-nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.25rem; min-height: 64px; padding: 12px 30px; }
.sample-text-link { display: inline-flex; align-items: center; gap: .7rem; min-height: 44px; padding: .4rem 0; border: 0; background: transparent; color: inherit; font-size: .875rem !important; font-weight: 600 !important; text-underline-offset: 4px; }
.sample-text-link:hover { text-decoration: underline; }
.sample-text-link .arrow-icon { width: 18px; height: 18px; }
.sample-photo { width: 100%; height: 100%; object-fit: cover; }
#concept-frame[data-style] .northline-warm { background: var(--paper); color: var(--ink); }
.warm-nav { padding-inline: 28px; }
.warm-wordmark { display: grid; grid-template-columns: 35px auto; column-gap: .6rem; align-items: center; font: 750 1.55rem/1.1 var(--display); letter-spacing: -.02em; }
.warm-wordmark > i { grid-row: 1 / 3; display: grid; place-items: center; height: 35px; background: var(--ink); color: var(--paper); font: 600 1.35rem/1 var(--display); }
.warm-wordmark > span { grid-column: 2; padding-top: .25rem; font: 500 .75rem/1.4 var(--body); letter-spacing: .03em; }
.warm-scene { position: relative; display: flex; align-items: center; min-height: 390px; padding: 28px; isolation: isolate; }
.warm-room { position: absolute; inset: 0; z-index: -1; object-position: center 48%; }
.warm-message { width: min(40%, 410px); padding: 27px 30px 30px; background: var(--ink); color: var(--paper-bright); }
.warm-message h3 { max-width: 12ch; font: 700 clamp(2rem, 3.25cqi, 3rem)/1.1 var(--display); letter-spacing: -.025em; }
.warm-message p { max-width: 30ch; margin: 1rem 0 1.4rem; font-size: .9375rem; color: #d1cfc6; line-height: 1.6; }
.warm-cta { display: inline-flex; align-items: center; justify-content: space-between; gap: 1.25rem; min-height: 46px; padding: .65rem 1rem; border: 0; border-radius: 4px; background: var(--paper); color: var(--ink); font-size: .875rem !important; font-weight: 600 !important; }
.warm-cta:hover { background: var(--acid); }
.room-switch { position: absolute; right: 24px; bottom: 22px; display: flex; gap: 4px; padding: 4px; background: var(--paper-bright); border-radius: 999px; }
.room-switch button { min-height: 40px; padding: .5rem .8rem; border: 0; border-radius: 999px; background: transparent; color: var(--ink); font-size: .8125rem; }
.room-switch button[aria-pressed="true"] { background: var(--ink); color: var(--paper-bright); }
.warm-services { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding: 17px 28px; font-size: .8125rem; }
.warm-services span { display: inline-flex; align-items: center; gap: .6rem; }
.warm-services span::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* Editorial: a horizontal headline and an asymmetric gallery, not a split hero. */
#concept-frame[data-style] .northline-editorial { background: var(--paper-bright); color: var(--ink); padding: 0 32px 20px; }
.editorial-nav { min-height: 62px; padding: 10px 0; border-bottom: 1px solid #b9b8ae; }
.editorial-wordmark { font: 600 1.7rem/1.1 var(--display); letter-spacing: -.035em; }
.editorial-wordmark > span { margin-left: .35rem; color: var(--orange-dark); }
.editorial-nav > span:nth-child(2) { margin-right: auto; font-size: .8125rem; }
.editorial-intro { display: flex; justify-content: space-between; align-items: center; gap: 2rem; padding: 22px 0 24px; }
.editorial-intro h3 { font: 600 clamp(2.5rem, 4.6cqi, 4.25rem)/1.08 "Fraunces", Georgia, serif; letter-spacing: -.035em; }
.editorial-intro h3 em { display: inline; font-style: normal; }
.editorial-intro p { min-width: 22ch; margin: 0; font-size: .8125rem; line-height: 1.55; }
.editorial-gallery { display: grid; grid-template-columns: .65fr 1.55fr .6fr; gap: 24px; align-items: end; }
.editorial-gallery figure { min-width: 0; margin: 0; }
.editorial-gallery .sample-photo { height: 250px; object-position: center 58%; }
.editorial-indoor .sample-photo { height: 225px; }
.editorial-gallery figcaption { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .3rem 1rem; margin-top: 10px; font-size: .8125rem; }
.editorial-gallery figcaption span { color: var(--muted); }
.editorial-gallery-note { display: flex; flex-direction: column; align-items: flex-start; justify-content: space-between; gap: 24px; min-height: 120px; padding-bottom: 4px; font-size: .875rem; }
.editorial-swap { display: grid; place-items: center; width: 52px; height: 52px; padding: 0; border: 1px solid var(--ink); border-radius: 50%; background: transparent; color: var(--ink); }
.editorial-swap:hover { background: var(--ink); color: var(--paper-bright); }
.editorial-swap .arrow-icon { transform: rotate(45deg); }
.editorial-gallery[data-feature="outside"] { grid-template-columns: 1.55fr .65fr .6fr; }
.editorial-gallery[data-feature="outside"] .editorial-outdoor .sample-photo { height: 225px; }
.editorial-gallery[data-feature="outside"] .editorial-indoor .sample-photo { height: 250px; }

/* Bold: a typographic poster and native-alpha pendant imagery. */
#concept-frame[data-style] .northline-bold { --concept-accent: var(--paper-bright); background: var(--orange-light); color: var(--ink); }
.bold-nav { border-bottom: 1px solid var(--ink); padding-inline: 26px; }
.bold-wordmark { display: inline-flex; align-items: center; gap: .65rem; font: 900 1.5rem/1.1 var(--body); letter-spacing: -.035em; }
.bold-spark { width: 23px; height: 23px; }
.bold-spark svg { width: 100%; height: 100%; }
.bold-nav > span:nth-child(2) { font-size: .8125rem; }
.bold-scene { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 391px; }
.bold-message { align-self: center; padding: 26px 30px; }
.bold-message h3 { max-width: 12ch; font: 900 clamp(2.5rem, 4.5cqi, 4.1rem)/.99 var(--display); letter-spacing: -.035em; }
.bold-message h3 em { font-style: normal; color: var(--ink); }
.bold-message p { margin: 1rem 0 1.25rem; font-size: .9375rem; line-height: 1.45; }
.bold-cta { display: inline-flex; align-items: center; gap: 1.5rem; min-height: 46px; padding: .65rem 1rem; border: 0; border-radius: 0; background: var(--ink); color: var(--paper-bright); font-size: .875rem !important; font-weight: 650 !important; }
.bold-cta:hover { background: var(--cobalt); }
.bold-lighting { position: relative; min-width: 0; min-height: 391px; overflow: clip; background: var(--cobalt); }
.pendant-photo { position: absolute; inset: 0; object-fit: contain; object-position: center top; }
.light-switch { position: absolute; z-index: 1; bottom: 18px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: .6rem; min-height: 48px; padding: .5rem .9rem; border: 0; border-radius: 999px; background: var(--paper-bright); color: var(--ink); white-space: nowrap; font-size: .8125rem !important; font-weight: 600 !important; }
.switch-track { position: relative; width: 34px; height: 20px; border-radius: 999px; background: var(--cobalt); }
.switch-track i { position: absolute; top: 3px; left: 17px; width: 14px; height: 14px; border-radius: 50%; background: var(--paper-bright); }
.northline-bold[data-lights="off"] .pendant-photo { filter: brightness(.45) saturate(.55); }
.northline-bold[data-lights="off"] .switch-track { background: var(--muted); }
.northline-bold[data-lights="off"] .switch-track i { left: 3px; }
.bold-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; min-height: 55px; padding: 14px 26px; background: var(--ink); color: var(--paper); font: 700 .8125rem/1.4 var(--body); letter-spacing: .02em; }
.bold-bottom span + span::before { content: "/"; margin-right: 1.25rem; color: var(--orange-light); }

.sample-sheet { position: absolute; z-index: 5; right: 22px; bottom: 22px; width: min(430px, calc(100% - 44px)); max-height: min(calc(100% - 70px), calc(100svh - 160px)); overflow-y: auto; padding: 26px; border: 1px solid var(--ink); border-radius: 12px; background: var(--paper-bright); color: var(--ink); }
.sample-sheet h4 { max-width: 23ch; margin: 0 34px 1rem 0; font: 750 1.5rem/1.2 var(--display); letter-spacing: -.02em; }
.sample-sheet p { margin: 0; font-size: .9375rem; line-height: 1.6; }
.sheet-close { position: absolute; top: 12px; right: 12px; display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; background: var(--paper); }
.sheet-close span { position: relative; display: block; width: 17px; height: 17px; }
.sheet-close span::before, .sheet-close span::after { content: ""; position: absolute; left: 8px; height: 17px; width: 2px; background: var(--ink); transform: rotate(45deg); }
.sheet-close span::after { transform: rotate(-45deg); }
.sheet-topics { display: flex; flex-wrap: wrap; gap: .5rem 1rem; margin: 1.25rem 0; padding-block: .8rem; border-block: 1px solid #b9b8ae; font-size: .8125rem; font-weight: 600; }
.sample-sheet .sheet-disclosure { font-size: .8125rem; color: var(--muted); }
#concept-frame .is-highlighted { outline: 3px solid var(--concept-accent); outline-offset: 5px; animation: none; }
#concept-frame img.is-highlighted, #concept-frame .bold-lighting.is-highlighted { outline-offset: -5px; }
.concept-site :focus-visible { outline: 3px solid var(--concept-accent); outline-offset: 4px; }
.warm-message { --concept-accent: var(--acid); }
.room-switch { --concept-accent: var(--cobalt); }
.northline-bold .bold-nav :focus-visible, .northline-bold .bold-message :focus-visible { outline-color: var(--ink); }
.light-switch:focus-visible { outline-color: var(--acid); }

@container (max-width: 900px) {
  .sample-nav { padding-inline: 20px; }
  .warm-message { width: 47%; padding: 24px; }
  .editorial-nav { padding-inline: 0; }
  .editorial-nav > span:nth-child(2), .bold-nav > span:nth-child(2) { display: none; }
  .editorial-intro h3 { font-size: 3rem; }
  .editorial-gallery { grid-template-columns: .7fr 1.3fr; gap: 20px; }
  .editorial-gallery[data-feature="outside"] { grid-template-columns: 1.3fr .7fr; }
  .editorial-gallery-note { grid-column: 1 / -1; min-height: 0; flex-direction: row; align-items: center; gap: 1rem; }
  .editorial-gallery-note br { display: none; }
  .editorial-gallery .sample-photo { height: 210px; }
  .editorial-indoor .sample-photo, .editorial-gallery[data-feature="outside"] .editorial-outdoor .sample-photo { height: 185px; }
  .editorial-gallery[data-feature="outside"] .editorial-indoor .sample-photo { height: 210px; }
  .bold-message h3 { font-size: 3rem; }
  .bold-bottom { justify-content: center; }
  .bold-bottom span + span::before { display: none; }
}

/* Container queries make the Phone control a real responsive preview at any viewport. */
@container (max-width: 600px) {
  #concept-frame[data-style] .concept-site { min-height: 0; }
  .browser-bar small { display: none; }
  .sample-nav { gap: .75rem; min-height: 70px; padding: 12px 16px; }
  .sample-text-link { font-size: .8125rem !important; gap: .35rem; }
  .warm-wordmark { grid-template-columns: 28px auto; font-size: 1.3rem; gap: .1rem .4rem; }
  .warm-wordmark > i { height: 28px; font-size: 1.1rem; }
  .warm-wordmark > span { font-size: .75rem; }
  .warm-scene { display: flex; flex-direction: column; min-height: 0; align-items: stretch; padding: 0; }
  .warm-room { position: static; order: 2; height: 230px; object-position: center; }
  .warm-message { width: 100%; padding: 30px 24px; }
  .warm-message h3 { font-size: clamp(2.2rem, 10cqi, 3rem); }
  .warm-message p { max-width: 34ch; font-size: .9375rem; }
  .room-switch { right: 12px; bottom: 12px; }
  .room-switch button { font-size: .75rem; padding-inline: .7rem; }
  .warm-services { padding: 17px 20px; gap: .6rem 1rem; font-size: .75rem; }
  #concept-frame[data-style] .northline-editorial { padding: 0 20px 20px; }
  .editorial-nav { padding-inline: 0; }
  .editorial-wordmark { font-size: 1.4rem; }
  .editorial-intro { flex-direction: column; align-items: flex-start; gap: 1rem; padding: 25px 0; }
  .editorial-intro h3 { font-size: clamp(2rem, 9.6cqi, 3.5rem); }
  .editorial-intro h3 em { display: block; }
  .editorial-intro p { min-width: 0; font-size: .875rem; }
  .editorial-intro p br { display: none; }
  .editorial-gallery, .editorial-gallery[data-feature="outside"] { grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; }
  .editorial-gallery .sample-photo, .editorial-gallery[data-feature="outside"] .editorial-outdoor .sample-photo { height: 210px; }
  .editorial-gallery .editorial-indoor { margin-top: 38px; }
  .editorial-gallery .editorial-indoor .sample-photo, .editorial-gallery[data-feature="outside"] .editorial-indoor .sample-photo { height: 150px; }
  .editorial-gallery[data-feature="outside"] .editorial-outdoor { grid-column: 2; grid-row: 1; margin-top: 38px; }
  .editorial-gallery[data-feature="outside"] .editorial-outdoor .sample-photo { height: 150px; }
  .editorial-gallery[data-feature="outside"] .editorial-indoor { grid-column: 1; grid-row: 1; margin-top: 0; }
  .editorial-gallery[data-feature="outside"] .editorial-indoor .sample-photo { height: 210px; }
  .editorial-gallery figcaption { flex-direction: column; gap: .2rem; font-size: .75rem; }
  .editorial-gallery-note { padding-top: 10px; font-size: .8125rem; }
  .editorial-gallery-note br { display: block; }
  .editorial-swap { width: 46px; height: 46px; flex-shrink: 0; }
  .bold-nav { padding-inline: 16px; }
  .bold-wordmark { font-size: 1.2rem; gap: .4rem; }
  .bold-spark { width: 18px; height: 18px; }
  .bold-scene { grid-template-columns: 1fr; }
  .bold-message { padding: 27px 22px; }
  .bold-message h3 { max-width: 12ch; font-size: clamp(2.75rem, 12cqi, 4rem); line-height: 1.02; }
  .bold-message p { margin-top: 1rem; font-size: .9375rem; }
  .bold-lighting { min-height: 280px; }
  .pendant-photo { object-position: center 48%; object-fit: contain; }
  .bold-bottom { justify-content: flex-start; padding: 16px 20px; font-size: .75rem; }
  .sample-sheet { right: 12px; bottom: 12px; width: calc(100% - 24px); padding: 23px 20px; }
  .sample-sheet h4 { font-size: 1.35rem; }
}
@media (prefers-reduced-motion: no-preference) {
  html[data-motion="on"] .pendant-photo { transition: filter 250ms ease-out; }
  html[data-motion="on"] .switch-track i { transition: left 180ms ease-out; }
}
@media (forced-colors: active) {
  .concept-site button { border: 1px solid ButtonText; }
  .room-switch button[aria-pressed="true"], .light-switch[aria-pressed="true"] { outline: 2px solid Highlight; outline-offset: -4px; }
}