:root {
  --arch-container: var(--container);
  --arch-line: var(--line);
  --arch-card-shadow-hover: 0 18px 38px rgba(18, 41, 71, .1);
}

body[data-page="architecture"] .arch-page {
  margin-top: 0;
  overflow: hidden;
  background-color: var(--bg-page);
  background-image: var(--paper-texture);
}

.arch-container {
  width: min(calc(100% - var(--container-gutter) - var(--container-gutter)), var(--arch-container));
  margin-inline: auto;
}

.arch-section {
  position: relative;
  padding: clamp(64px, 7vw, 88px) 0;
}

.arch-section--soft {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .58), rgba(251, 250, 247, .92)),
    var(--section-texture);
}

.arch-section__head {
  margin-bottom: clamp(28px, 3.4vw, 42px);
}

.arch-button {
  min-width: 210px;
  min-height: 54px;
}

.arch-button--primary {
  --button-base-bg: var(--hs-navy);
  border-color: rgba(0, 29, 54, .88);
  color: var(--white);
}

.arch-button--light {
  --button-base-bg: rgba(255, 255, 255, .08);
  --button-fill-bg: var(--gold-2);
  border-color: rgba(255, 255, 255, .46);
  color: var(--white);
}

.rv {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity .62s var(--motion-ease),
    transform .62s var(--motion-ease);
  transition-delay: var(--reveal-delay, 0ms);
}

.rv.on {
  opacity: 1;
  transform: translateY(0);
}

.d1 {
  --reveal-delay: 90ms;
}

.arch-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(64px, 7.6vw, 104px)) 0 0;
  overflow: hidden;
  isolation: isolate;
  background: #061f3a;
  color: var(--white);
}

.arch-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: #071a2c;
}

.arch-hero__media::before,
.arch-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.arch-hero__media::before {
  background:
    linear-gradient(90deg, rgba(2, 13, 24, .6) 0%, rgba(2, 13, 24, .41) 38%, rgba(2, 13, 24, .14) 72%, rgba(2, 13, 24, .25) 100%),
    linear-gradient(180deg, rgba(0, 29, 54, .06), rgba(0, 29, 54, .4));
}

.arch-hero__media::after {
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, .028) 0 1px, transparent 1px 92px),
    linear-gradient(180deg, rgba(2, 13, 24, 0), rgba(2, 13, 24, .22));
  opacity: .55;
}

.arch-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 66% center;
  filter: saturate(.98) contrast(1.04) brightness(.95);
  transform: scale(1.02);
  animation: archHeroZoom 18s ease-out both;
}

.arch-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  align-items: center;
  min-height: clamp(520px, 68svh, 720px);
}

.arch-hero__copy {
  width: min(700px, 100%);
  padding-bottom: clamp(46px, 5vw, 72px);
}

.arch-hero__kicker{
  display: grid;
  justify-items: start;
  gap: 9px;
  margin: 0 0 18px;
  text-align: left;
}

.arch-hero__kicker::after{
  content: "";
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, rgba(211, 189, 134, .92), transparent);
}

.arch-hero h1 {
  margin: 0;
  color: rgba(255, 255, 255, .94);
  font-family: var(--font-heading);
  font-size: var(--fs-title);
  font-weight: var(--fw-heading);
  line-height: 1.35;
  letter-spacing: var(--ls-heading);
  text-align: left;
  text-shadow: 0 14px 30px rgba(0, 0, 0, .24);
}

.arch-hero__lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: var(--fs-section-text);
  font-weight: 500;
  line-height: 1.78;
  letter-spacing: .02em;
}

.arch-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.arch-hero__kicker,
.arch-hero h1,
.arch-hero__lead,
.arch-hero__actions {
  opacity: 0;
  transform: translateY(16px);
  animation: archFadeUp .72s var(--motion-ease) forwards;
}

.arch-hero h1 {
  animation-delay: 90ms;
}

.arch-hero__lead {
  animation-delay: 180ms;
}

.arch-hero__actions {
  animation-delay: 270ms;
}

.arch-assurance-wrap {
  position: relative;
  z-index: 3;
}

.arch-assurance {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border: var(--card-border);
  border-bottom: 0;
  border-radius: var(--card-radius) var(--card-radius) 0 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .98), rgba(251, 250, 247, .92)),
    var(--paper-grain);
  box-shadow: 0 -8px 28px rgba(0, 29, 54, .12);
  list-style: none;
}

.arch-assurance li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 82px;
  padding: 18px clamp(16px, 2vw, 24px);
  color: var(--ink);
}

.arch-assurance li + li {
  border-left: 1px solid rgba(18, 41, 71, .12);
}

.arch-assurance span,
.arch-card-num {
  color: var(--gold);
  font-family: var(--font-en);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
}

.arch-assurance strong {
  color: var(--ink);
  font-size: var(--fs-min);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0;
}

.arch-card-grid,
.arch-simple-grid,
.arch-flow-list,
.arch-reason-grid,
.arch-case-grid {
  display: grid;
  gap: clamp(16px, 1.8vw, 22px);
}

.arch-card-grid--scope {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arch-image-card,
.arch-simple-card,
.arch-flow-card,
.arch-reason-card,
.arch-case-card {
  border: var(--card-border);
  border-radius: var(--card-radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .97), rgba(251, 250, 247, .86)),
    var(--paper-grain);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition:
    transform .28s var(--motion-ease),
    border-color .28s ease,
    box-shadow .28s ease;
}

.arch-image-card:hover,
.arch-simple-card:hover,
.arch-flow-card:hover,
.arch-reason-card:hover,
.arch-case-card:hover {
  border-color: rgba(183, 149, 85, .42);
  box-shadow: var(--arch-card-shadow-hover);
  transform: translateY(-3px);
}

.arch-image-card {
  display: grid;
  align-content: start;
}

.arch-image-card__media,
.arch-flow-card__media {
  margin: 0;
  overflow: hidden;
  background: var(--bg-soft);
}

.arch-image-card__media {
  aspect-ratio: 16 / 9;
}

.arch-image-card__media img,
.arch-flow-card__media img,
.arch-case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--motion-ease);
}

.arch-image-card:hover img,
.arch-flow-card:hover img,
.arch-case-card:hover img {
  transform: scale(1.035);
}

.arch-card-grid--scope .arch-image-card:nth-child(3) img {
  object-position: center bottom;
}

.arch-card-grid--scope .arch-image-card:nth-child(4) img {
  object-position: 44% center;
}

.arch-image-card__body {
  display: grid;
  gap: 9px;
  padding: 20px;
}

.arch-image-card__body h3,
.arch-reason-card h3 {
  margin: 0;
}

.arch-image-card__body p,
.arch-flow-card p,
.arch-reason-card p {
  margin: 0;
  color: #405267;
  font-size: var(--fs-min);
  line-height: 1.75;
  letter-spacing: 0;
}

.arch-simple-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arch-simple-card {
  position: relative;
  display: grid;
  align-items: center;
  min-height: 96px;
  padding: 20px 22px 20px 48px;
  color: var(--ink);
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0;
}

.arch-simple-card::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 50%;
  width: 11px;
  height: 11px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  transform: translateY(-50%);
}

.arch-flow-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.arch-flow-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 326px;
  padding: 0 18px 22px;
  overflow: visible;
}

.arch-flow-card__media {
  aspect-ratio: 16 / 10;
  margin-inline: -18px;
  border-radius: var(--card-radius) var(--card-radius) 0 0;
}

.arch-flow-card .arch-card-num {
  margin-top: 8px;
}

.arch-flow-card h3 {
  margin: 0;
  font-size: var(--fs-20);
}

.arch-reason-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.arch-reason-card {
  display: grid;
  align-content: start;
  gap: 14px;
  min-height: 244px;
  padding: 28px;
}

.arch-reason-card .arch-phrase-keep {
  display: inline-block;
}

.arch-case-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.arch-case-grid > article { grid-column: span 2; }
.arch-case-grid > article:nth-child(4) { grid-column: 2 / span 2; }
.arch-case-grid > article:nth-child(5) { grid-column: 4 / span 2; }

.arch-case-card {
  display: grid;
  align-content: start;
}

.arch-case-card img {
  aspect-ratio: 16 / 10;
}

.arch-case-card h3 {
  margin: 0;
  padding: 18px;
  font-size: var(--fs-18);
  line-height: 1.55;
  word-break: keep-all;
  overflow-wrap: normal;
}

@media (min-width: 768px) {
  .arch-hero h1 span {
    display: block;
  }
}

@media (min-width: 1101px) {
  .arch-flow-card:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -12px;
    z-index: 3;
    width: 16px;
    height: 16px;
    border-top: 2px solid rgba(183, 149, 85, .72);
    border-right: 2px solid rgba(183, 149, 85, .72);
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (max-width: 1180px) {
  .arch-card-grid--scope,
  .arch-simple-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .arch-flow-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .arch-case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .arch-case-grid > article { grid-column: auto; }
}

@media (max-width: 980px) {
  .arch-hero__media::before {
    background:
      linear-gradient(90deg, rgba(2, 13, 24, .86) 0%, rgba(2, 13, 24, .68) 50%, rgba(2, 13, 24, .42) 100%),
      linear-gradient(180deg, rgba(0, 29, 54, .12), rgba(0, 29, 54, .56));
  }

  .arch-assurance,
  .arch-reason-grid{
    grid-template-columns: 1fr;
  }

  .arch-assurance li + li {
    border-top: 1px solid rgba(18, 41, 71, .12);
    border-left: 0;
  }

  .arch-reason-card {
    min-height: 0;
  }
}

@media (max-width: 767px) {
  .arch-container {
    width: min(calc(100% - 36px), var(--arch-container));
  }

  .arch-section {
    padding: 58px 0;
  }

  .arch-hero {
    padding-top: 48px;
  }

  .arch-hero__inner {
    min-height: clamp(560px, 82svh, 680px);
  }

  .arch-hero__copy {
    padding-bottom: 38px;
  }

  .arch-hero__lead{
    font-size: var(--fs-body);
    line-height: 1.78;
  }

  .arch-hero__actions{
    flex-direction: column;
    align-items: stretch;
  }

  .arch-button {
    width: 100%;
    min-width: 0;
  }

  .arch-card-grid--scope,
  .arch-simple-grid,
  .arch-flow-list,
  .arch-case-grid {
    grid-template-columns: 1fr;
  }

  .arch-image-card__body,
  .arch-reason-card {
    padding: 22px;
  }

  .arch-simple-card {
    min-height: 84px;
  }

  .arch-flow-card {
    min-height: 0;
  }
}

@media (max-width: 520px) {
  .arch-container {
    width: min(calc(100% - 28px), var(--arch-container));
  }

  .arch-assurance li {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: 0;
    padding: 18px;
  }

  .arch-image-card__body,
  .arch-reason-card{
    padding: 20px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arch-hero__media img,
  .arch-hero__kicker,
  .arch-hero h1,
  .arch-hero__lead,
  .arch-hero__actions {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .rv {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .arch-image-card,
  .arch-simple-card,
  .arch-flow-card,
  .arch-reason-card,
  .arch-case-card,
  .arch-image-card__media img,
  .arch-flow-card__media img,
  .arch-case-card img {
    transition: none;
  }
}

@keyframes archHeroZoom {
  from {
    transform: scale(1.02);
  }

  to {
    transform: scale(1.06);
  }
}

@keyframes archFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Modular housing — follows the page's white technical-document visual language. */
.arch-module { overflow: hidden; background: #fff; }
.arch-module::before { content: ""; position: absolute; inset: 0 0 auto; height: 1px; background: var(--arch-line); }
.arch-module__head { display: grid; justify-items: center; max-width: 920px; margin: 0 auto clamp(42px, 5vw, 68px); text-align: center; }
.arch-module__head .section-kicker { margin-bottom: 13px; }
.arch-module__head > p:last-child { max-width: 780px; margin: 22px 0 0; color: #526274; line-height: 1.95; }
.arch-module__eyebrow { margin: 0; color: #b1873f; font-family: var(--font-en); font-size: 10px; font-weight: 700; letter-spacing: .17em; }

.arch-module__overview { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(370px, .75fr); min-height: 570px; border: 1px solid #dce2e7; background: #fff; box-shadow: 0 18px 48px rgba(18,41,71,.08); }
.arch-module__photo { position: relative; min-height: 100%; margin: 0; overflow: hidden; background: #e8ebec; }
.arch-module__photo img { width: 100%; height: 100%; object-fit: cover; }
.arch-module__photo figcaption { position: absolute; inset: auto 0 0; padding: 46px 24px 20px; color: rgba(255,255,255,.88); background: linear-gradient(transparent, rgba(5,28,47,.76)); font-size: var(--fs-13); }
.arch-module__photo figcaption span { display: block; margin-bottom: 6px; color: #dbc27f; font-family: var(--font-en); font-size: 9px; font-weight: 700; letter-spacing: .15em; }
.arch-module__definition { display: flex; flex-direction: column; justify-content: center; padding: clamp(34px, 4.2vw, 62px); }
.arch-module__definition > h3,
.arch-module__anatomy > header h3 { margin: 13px 0 18px; color: var(--hs-navy); font-family: var(--font-heading); font-size: clamp(25px, 2.1vw, 36px); font-weight: var(--fw-heading); line-height: 1.5; }
.arch-module__definition > .arch-module__definition-title { font-size: clamp(23px, 1.55vw, 26px); }
.arch-module__definition-title > span { display: block; white-space: nowrap; }
.arch-module__definition > p:not(.arch-module__eyebrow) { margin: 0; color: #526274; line-height: 1.9; }
.arch-module__definition dl { display: grid; gap: 0; margin: 30px 0 0; }
.arch-module__definition dl > div { display: grid; grid-template-columns: 74px 1fr; gap: 16px; padding: 16px 0; border-top: 1px solid #e0e5e9; }
.arch-module__definition dt { padding-top: 3px; color: #b1873f; font-family: var(--font-en); font-size: 9px; font-weight: 700; letter-spacing: .1em; }
.arch-module__definition dd { margin: 0; }
.arch-module__definition dd strong,
.arch-module__definition dd span { display: block; }
.arch-module__definition dd strong { color: var(--hs-navy); font-size: var(--fs-16); }
.arch-module__definition dd span { margin-top: 3px; color: #6b7886; font-size: var(--fs-13); line-height: 1.6; }

.arch-module__anatomy { margin-top: clamp(70px, 8vw, 112px); }
.arch-module__anatomy > header { display: grid; grid-template-columns: minmax(300px, .75fr) minmax(360px, 1.25fr); align-items: end; column-gap: clamp(50px, 9vw, 140px); margin-bottom: 28px; }
.arch-module__anatomy > header .arch-module__eyebrow { grid-column: 1; }
.arch-module__anatomy > header h3 { grid-column: 1; margin-bottom: 0; }
.arch-module__anatomy > header > p:last-child { grid-column: 2; grid-row: 1 / 3; margin: 0; padding-left: 24px; border-left: 1px solid #cfd7de; color: #657383; line-height: 1.85; }
.arch-module__diagram { position: relative; min-height: 690px; overflow: hidden; border: 1px solid #d9e0e6; background: linear-gradient(180deg, #fff, #fbfbfa); box-shadow: 0 18px 48px rgba(18,41,71,.07); }
.arch-module__diagram::after { content: "ASSEMBLY / 01—05"; position: absolute; right: 20px; top: 18px; color: #8795a3; font-family: var(--font-en); font-size: 9px; letter-spacing: .15em; }
.arch-module__diagram figure { position: absolute; inset: 0 0 0 31%; margin: 0; }
.arch-module__diagram figure img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.arch-module__callouts { position: absolute; inset: 7% auto 6% 3.5%; z-index: 2; display: grid; grid-template-rows: repeat(5, 1fr); width: 34%; margin: 0; padding: 0; list-style: none; }
.arch-module__callouts li { position: relative; display: grid; grid-template-columns: 48px minmax(0, 1fr); align-items: center; gap: 16px; color: var(--hs-navy); }
.arch-module__callouts li::after { content: ""; position: absolute; z-index: -1; left: 48px; right: -57%; top: 50%; height: 2px; background: #7e8e9e; transform-origin: left center; }
.arch-module__callouts li:nth-child(1)::after { background: #2d8cc3; transform: rotate(5deg); }
.arch-module__callouts li:nth-child(2)::after { right: -52%; background: #bb944b; transform: rotate(2deg); }
.arch-module__callouts li:nth-child(3)::after { right: -62%; transform: rotate(0deg); }
.arch-module__callouts li:nth-child(4)::after { right: -54%; background: #8a672d; transform: rotate(-3deg); }
.arch-module__callouts li:nth-child(5)::after { right: -60%; transform: rotate(-5deg); }
.arch-module__callouts li > span,
.arch-module__markers i { display: grid; place-items: center; border: 1px solid #b9c7d3; border-radius: 50%; color: var(--hs-navy); background: #fff; box-shadow: 0 6px 15px rgba(18,41,71,.1); font-family: var(--font-en); font-style: normal; font-size: 13px; font-weight: 700; }
.arch-module__callouts li > span { position: relative; z-index: 2; width: 48px; height: 48px; }
.arch-module__callouts strong,
.arch-module__callouts small { display: block; position: relative; z-index: 2; background: #fff; }
.arch-module__callouts strong { width: max-content; max-width: 100%; padding-right: 10px; font-size: var(--fs-17); line-height: 1.45; }
.arch-module__callouts small { width: max-content; max-width: 100%; padding: 3px 10px 0 0; color: #758292; font-size: var(--fs-12); line-height: 1.55; }
.arch-module__callouts li:nth-child(2) > span,
.arch-module__markers i:nth-child(2) { border-color: #b9934b; color: #fff; background: #b9934b; }
.arch-module__callouts li:nth-child(4) > span,
.arch-module__markers i:nth-child(4) { border-color: #89672f; color: #fff; background: #89672f; }
.arch-module__markers { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.arch-module__markers i { position: absolute; left: 59%; width: 40px; height: 40px; color: #fff; background: #385773; border: 2px solid #fff; }
.arch-module__markers i:nth-child(1) { top: 8%; background: #2d8cc3; }
.arch-module__markers i:nth-child(2) { top: 24%; }
.arch-module__markers i:nth-child(3) { top: 42%; }
.arch-module__markers i:nth-child(4) { top: 64%; }
.arch-module__markers i:nth-child(5) { top: 83%; background: #7e8e9e; }

@media (max-width: 1080px) {
  .arch-module__overview { grid-template-columns: 1fr; }
  .arch-module__photo { min-height: 480px; }
  .arch-module__diagram { min-height: 620px; }
  .arch-module__callouts { width: 40%; }
  .arch-module__diagram figure { left: 34%; }
}

@media (max-width: 760px) {
  .arch-module__head { justify-items: start; text-align: left; }
  .arch-module__photo { min-height: 310px; }
  .arch-module__definition { padding: 32px 22px; }
  .arch-module__definition > .arch-module__definition-title { font-size: 21px; }
  .arch-module__definition-title > span { white-space: normal; }
  .arch-module__anatomy > header { display: block; }
  .arch-module__anatomy > header > p:last-child { margin-top: 18px; padding-left: 18px; }
  .arch-module__diagram { display: flex; flex-direction: column; min-height: 0; padding: 46px 14px 14px; }
  .arch-module__diagram figure { position: static; order: 1; aspect-ratio: 1.1; }
  .arch-module__diagram figure img { object-fit: contain; }
  .arch-module__callouts { position: static; order: 2; display: grid; grid-template-rows: none; width: 100%; }
  .arch-module__callouts li { grid-template-columns: 42px 1fr; gap: 12px; min-height: 82px; padding: 12px 8px; border-top: 1px solid #e0e5e9; }
  .arch-module__callouts li::after,
  .arch-module__markers { display: none; }
  .arch-module__callouts li > span { width: 42px; height: 42px; }
  .arch-module__callouts strong,
  .arch-module__callouts small { width: auto; max-width: none; }
}