:root {
  --page: #eef6ff;
  --surface: #fff;
  --surface-soft: #f7fbff;
  --surface-blue: #e8f4ff;
  --ink: var(--ip-ink);
  --muted: var(--ip-muted);
  --line: var(--ip-line);
  --blue: var(--ip-blue);--blue-text:var(--ip-blue-text);--blue-bright:var(--ip-blue-bright);--blue-hover:var(--ip-blue-hover);
  --blue-dark: var(--ip-blue-hover);
  --blue-soft: #dff0ff;
  --green: #12a879;
  --danger: #d64545;
  --shadow: 0 18px 48px rgba(30, 91, 145, .12);
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: Inter, "Noto Sans Thai", sans-serif; }
button, input, select, textarea { font: inherit; }
h1, h2, h3 { font-family: Sora, Prompt, sans-serif; }
[hidden] { display: none !important; }

.nav {
  min-height: 76px; position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  padding: 12px clamp(18px, 5vw, 76px);
  background: rgba(238, 246, 255, .94); border-bottom: 1px solid rgba(195, 216, 235, .85);
  backdrop-filter: blur(16px);
}
.brand { display: flex; flex-direction: column; color: var(--ink); text-decoration: none; line-height: 1; }
.brand strong { color: var(--blue-text); font: 800 25px/1 Sora, sans-serif; letter-spacing: -1px; }
.brand span { margin-top: 5px; color: var(--muted); font-size: 10px; white-space: nowrap; }
.nav nav { display: flex; align-items: center; gap: 25px; }
.nav nav a { color: #3f566b; text-decoration: none; font: 600 13px Sora, sans-serif; }
.nav nav a:hover { color: var(--blue-text); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.all-catalog-link { min-height: 42px; padding: 0 14px; display: inline-flex; align-items: center; gap: 6px; border: 1px solid #acd5f8; border-radius: 10px; background: rgba(255,255,255,.66); color: var(--blue-dark); font: 700 12px Sora, sans-serif; text-decoration: none; white-space: nowrap; }
.all-catalog-link:hover { border-color: var(--blue); background: #fff; }
.all-catalog-link:focus-visible { outline: 3px solid rgba(10,140,255,.22); outline-offset: 2px; }

.button {
  min-height: 46px; border: 0; border-radius: 10px; padding: 13px 22px;
  display: inline-flex; justify-content: center; align-items: center;
  background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(10, 140, 255, .2);
  font: 700 14px Sora, sans-serif; cursor: pointer; text-decoration: none;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.button:hover { background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 10px 24px rgba(10, 140, 255, .28); }
.button:focus-visible, .choice:focus-visible, .day:focus-visible, .icon-button:focus-visible { outline: 3px solid rgba(10, 140, 255, .28); outline-offset: 2px; }
.button:disabled { opacity: .48; cursor: not-allowed; transform: none; }
.button.small { min-height: 42px; padding: 11px 17px; white-space: nowrap; }
.cart-button { width: 48px; height: 48px; flex: none; display: grid; place-items: center; position: relative; border: 2px solid var(--blue); border-radius: 50%; background: transparent; text-decoration: none; box-shadow: none; }
.cart-button:hover { background: #fff; }
.cart-button img { width: 23px; height: 23px; }
.cart-button b { min-width: 21px; height: 21px; padding: 0 5px; display: inline-grid; place-items: center; position: absolute; top: -6px; right: -8px; border-radius: 999px; background: #086ad8; color: #fff; font-size: 11px; }
a.button.is-inquiry { text-decoration: none; }
.button.is-inquiry { background: #12a05c; }
.button.is-inquiry:hover { background: #0e8a4e; box-shadow: 0 10px 24px rgba(18, 160, 92, .28); }
.inquiry-qr-dialog{width:min(430px,calc(100vw - 28px));padding:28px;border:0;border-radius:20px;background:#fff;color:var(--ink);box-shadow:0 24px 70px rgba(5,38,70,.28);text-align:center}.inquiry-qr-dialog::backdrop{background:rgba(9,25,43,.65)}.inquiry-qr-dialog h2{margin:8px 0}.inquiry-qr-dialog>p{margin:0;color:var(--muted);line-height:1.55}.inquiry-qr-dialog>img{display:block;width:min(290px,90%);height:auto;margin:18px auto;padding:10px;border:1px solid var(--line);border-radius:13px;background:#fff}.inquiry-qr-dialog .button{width:100%}.inquiry-qr-dialog>small{display:block;min-height:20px;margin-top:9px;color:var(--green)}.inquiry-qr-close{position:absolute;top:12px;right:14px;width:38px;height:38px;border:0;border-radius:50%;background:var(--surface-blue);font-size:26px;cursor:pointer}
.button.ghost { background: #fff; border: 1px solid var(--blue); color: var(--blue-text); box-shadow: none; }
.button.ghost:hover { background: var(--blue-soft); }

.hero {
  width: min(1400px, calc(100% - 32px)); min-height: 610px; margin: 16px auto 0;
  padding: clamp(44px, 7vw, 86px); display: grid; grid-template-columns: 1.08fr .92fr;
  gap: clamp(30px, 5vw, 64px); align-items: center; position: relative; overflow: hidden;
  border-radius: 22px; color: #fff; box-shadow: var(--shadow);
  background: linear-gradient(90deg, rgba(7, 25, 44, .94), rgba(10, 48, 81, .62)), url("assets/size-us.png") center/cover;
}
.hero-copy { max-width: 680px; }
.hero.simplified { grid-template-columns: 1fr; }
.hero.simplified .hero-copy { max-width: 760px; }
.hero-back {
  position: absolute; top: 22px; left: 24px; z-index: 2;
  display: inline-flex; align-items: center; gap: 7px; min-height: 38px; padding: 0 13px;
  border: 1px solid rgba(255, 255, 255, .3); border-radius: 9px;
  background: rgba(255, 255, 255, .12); color: #fff; backdrop-filter: blur(10px);
  font: 700 12px Sora, sans-serif; text-decoration: none;
}
.hero-back:hover { background: rgba(255, 255, 255, .22); }
.hero-back:focus-visible { outline: 3px solid rgba(103, 188, 255, .55); outline-offset: 2px; }
.eyebrow, .section-head span { display: inline-block; color: var(--blue-text); font: 800 11px Sora, sans-serif; letter-spacing: 1.55px; }
.hero .eyebrow { color: #67bcff; }
.hero h1 { margin: 18px 0 8px; font: 800 clamp(54px, 7vw, 86px)/1 Sora, sans-serif; letter-spacing: -3px; }
.hero h2 { margin: 0; color: #8acaff; font: 700 clamp(25px, 3.5vw, 40px)/1.3 Sora, sans-serif; }
.hero p { max-width: 620px; color: #d4e4f3; font-size: 17px; line-height: 1.72; }
.hero-statement { margin-top: 36px; }
.hero-statement b { display: block; font: 800 25px/1.3 Sora, sans-serif; }
.hero-statement small { display: block; margin-top: 8px; color: #a9c3d9; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.hero-card { padding: 30px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 18px; background: rgba(255, 255, 255, .96); color: var(--ink); box-shadow: 0 24px 60px rgba(0, 0, 0, .24); }
.hero-card .eyebrow { color: var(--blue-text); }
.hero-card h3 { margin: 11px 0 3px; font: 800 30px Sora, sans-serif; }
.hero-card span, .hero-card p, .hero-card > small { color: var(--muted); font-size: 13px; }
.hero-card .price-intro { margin: 4px 0 14px; }
.price-table { display: grid; grid-template-columns: 1fr 1fr; margin: 8px 0 17px; border-top: 1px solid var(--line); }
.price-table > * { padding: 11px 0; border-bottom: 1px solid var(--line); }
.price-table b:nth-child(even), .price-table strong { text-align: right; }
.price-table strong { margin: 0; color: var(--ink); font: 800 15px Sora, sans-serif; }

.section { padding: 86px clamp(20px, 5vw, 76px); scroll-margin-top: 78px; }
.section.alt, .materials-section, .combinations { background: rgba(255, 255, 255, .52); border-block: 1px solid var(--line); }
.section-head { max-width: 1280px; margin: 0 auto 40px; }
.section-head h2 { margin: 12px 0; font: 800 clamp(29px, 4vw, 43px)/1.18 Sora, sans-serif; letter-spacing: -1.5px; }
.section-head.split { display: flex; align-items: end; justify-content: space-between; gap: 50px; }
.section-head.split > p { max-width: 390px; margin: 0; color: var(--muted); line-height: 1.6; }

.info-grid, .feature-grid, .package-grid { max-width: 1280px; margin: auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.info-grid article, .feature-grid article, .package-card { overflow: hidden; padding: 22px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); box-shadow: 0 8px 26px rgba(30, 91, 145, .07); }
.info-grid img, .feature-grid img { width: 100%; height: 190px; object-fit: cover; border-radius: 12px; }
.info-grid h3, .feature-grid h3, .package-card h3 { margin: 17px 0 8px; font: 700 19px Sora, sans-serif; }
.info-grid p, .feature-grid p, .package-card p, .muted { margin-bottom: 0; color: var(--muted); line-height: 1.65; }
.material-grid article { padding: 26px; }
.material-grid img { height: 200px; }
.material-grid em { display: block; margin-top: 17px; color: var(--blue-text); font: 800 11px Sora, sans-serif; letter-spacing: 1px; font-style: normal; }
.material-grid .natural em, .material-grid .natural strong { color: var(--green); }
.material-grid .special em, .material-grid .special strong { color: #7c59d6; }
.material-grid strong { display: block; margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.5; }
.primary-material-grid article { display: flex; flex-direction: column; }
.primary-material-grid p { flex: 1; }
.secondary-materials { max-width: 1280px; margin: 24px auto 0; padding: 18px 22px; display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(260px, .75fr); gap: 18px; align-items: center; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.72); }
.secondary-materials > span { padding: 7px 11px; border-radius: 999px; background: var(--surface-blue); color: var(--blue-text); font: 800 10px Sora, sans-serif; letter-spacing: .8px; white-space: nowrap; }
.secondary-materials h3 { margin: 0 0 3px; font: 700 16px Sora, sans-serif; }
.secondary-materials p, .secondary-materials small { margin: 0; color: var(--muted); line-height: 1.55; }
.secondary-materials small { font-size: 11px; }

.technique-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.technique-cards article { display: flex; flex-direction: column; }
.technique-cards strong { margin-top: auto; }
.technique-cards p { margin-top: 0; padding-bottom: 18px; }

.package-card { display: flex; flex-direction: column; position: relative; }
.package-card.recommended { border-color: var(--blue); box-shadow: 0 12px 32px rgba(10, 140, 255, .14); }
.package-card .tag { align-self: flex-start; padding: 6px 10px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 11px; font-weight: 700; }
.package-card.recommended .tag { position: absolute; top: 18px; left: 18px; }
.package-card.recommended h3 { margin-top: 42px; }
.package-card strong { margin: 9px 0; color: var(--blue-text); font: 800 25px Sora, sans-serif; }
.package-card ul { padding-left: 20px; color: var(--muted); line-height: 1.85; flex: 1; }

.catalog-section { overflow: hidden; }
.catalog-heading > p { max-width: 470px; }
.catalog-toolbar {
  max-width: 1280px; margin: -12px auto 22px; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.72);
}
.catalog-toolbar > div { display: flex; align-items: center; gap: 10px; }
.catalog-toolbar span { padding: 4px 9px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-text); font-size: 12px; font-weight: 800; }
.catalog-toolbar small { color: var(--muted); }
.catalog-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.catalog-card { padding: 0; min-height: 100%; }
.catalog-card.recommended h3 { margin-top: 6px; }
.catalog-media { height: 180px; position: relative; overflow: hidden; background: var(--surface-blue); }
.catalog-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(5,28,50,.45)); pointer-events: none; }
.catalog-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .25s ease; }
.catalog-card:hover .catalog-media img { transform: scale(1.025); }
.catalog-type, .catalog-card .tag { position: absolute; z-index: 1; top: 14px; padding: 6px 10px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.catalog-type { left: 14px; background: rgba(255,255,255,.94); color: var(--ink); }
.catalog-card .tag, .catalog-card.recommended .tag { left: auto; right: 14px; background: var(--blue); color: #fff; }
.catalog-card-body { padding: 22px; display: flex; flex: 1; flex-direction: column; }
.catalog-kicker { color: var(--blue-text); font: 800 10px Sora, sans-serif; letter-spacing: 1.2px; }
.catalog-card-body h3 { margin: 6px 0 5px; }
.catalog-card-body > p { min-height: 48px; margin-top: 0; }
.catalog-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0 10px; }
.catalog-facts span { padding: 12px; border-radius: 11px; background: var(--surface-blue); }
.catalog-facts small { display: block; margin-bottom: 4px; color: var(--muted); font-size: 10px; }
.catalog-facts b { color: var(--ink); font: 800 15px Sora, sans-serif; }
.catalog-facts span:last-child b { color: var(--blue-text); }
.catalog-card-body ul { margin-top: 6px; }
.catalog-card-body .button { width: 100%; margin-top: 8px; }

.combo-grid { max-width: 1280px; margin: auto; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.combo-grid figure { margin: 0; }
.combo-grid img { width: 100%; height: 196px; object-fit: cover; border-radius: 15px; box-shadow: 0 8px 22px rgba(30, 91, 145, .1); }
.combo-grid figcaption { width: max-content; max-width: 94%; margin: -18px auto 0; padding: 9px 13px; position: relative; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font-size: 11px; font-weight: 700; text-align: center; box-shadow: 0 6px 18px rgba(30, 91, 145, .1); }

.process-grid { max-width: 1280px; margin: auto; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; list-style: none; }
.process-grid li { padding: 27px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: 0 8px 26px rgba(30, 91, 145, .06); }
.process-grid b { display: inline-block; padding: 6px 13px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-text); font: 800 13px Sora, sans-serif; }
.process-grid h3 { font: 700 19px Sora, sans-serif; }
.process-grid p { color: var(--muted); line-height: 1.65; }

.specs-quote { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 1360px; margin: auto; }
.spec-card, .quote-card { padding: 32px; border: 1px solid var(--line); border-radius: 19px; background: var(--surface); box-shadow: var(--shadow); }
.spec-card h2, .quote-card h2 { font: 800 29px Sora, sans-serif; }
.spec-card dl { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px; }
.spec-card dl div { min-width: 0; }
.spec-card dt { color: var(--blue-text); font-weight: 800; }
.spec-card dd { margin: 5px 0 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.contact-block { display: flex; align-items: center; gap: 22px; margin-top: 28px; padding-top: 23px; border-top: 1px solid var(--line); }
.contact-block img { width: 106px; height: 106px; object-fit: cover; border-radius: 9px; }
.contact-block h3 { margin: 0 0 6px; }
.contact-block p, .quote-card p, .quote-card li { color: var(--muted); line-height: 1.65; }
.quote-card { display: flex; flex-direction: column; background: var(--surface-blue); }
.quote-card ul { padding-left: 22px; line-height: 2; }
.quote-button { width: 100%; margin-top: auto; }
.quote-card small { margin-top: 12px; color: var(--muted); text-align: center; }

.builder { max-width: 1180px; margin: 40px auto 100px; padding: 30px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); scroll-margin-top: 92px; }
.builder-head { display: flex; justify-content: space-between; align-items: flex-start; }
.builder-head h2 { margin: 8px 0 0; font: 800 32px Sora, sans-serif; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: var(--surface-soft); color: var(--ink); font-size: 25px; cursor: pointer; }
.progress { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 28px 0; }
.progress span { height: 5px; background: var(--line); border-radius: 999px; }
.progress span.active { background: var(--blue); }
.panel { padding: 25px; border: 1px solid var(--line); border-radius: 17px; background: var(--surface-soft); }
.panel h3 { margin-top: 0; font: 700 21px Sora, sans-serif; }
.choice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; margin-bottom: 22px; }
.choice-grid.compact { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.choice { display: block; padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: #fff; color: var(--ink); text-align: left; cursor: pointer; }
.choice:hover { border-color: #9acdf8; background: #fbfdff; }
.choice.selected { border-color: var(--blue); background: var(--blue-soft); box-shadow: inset 0 0 0 1px var(--blue); }
.choice b { display: block; margin-bottom: 6px; font-family: Sora, sans-serif; }
.choice small { color: var(--muted); }
label, fieldset { display: block; margin: 16px 0; color: #44596c; font-weight: 600; }
fieldset { border: 0; padding: 0; }
legend { margin-bottom: 10px; color: #44596c; font-weight: 600; }
input, select, textarea { width: 100%; margin-top: 8px; padding: 13px 14px; border: 1px solid #cadbea; border-radius: 9px; background: #fff; color: var(--ink); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(10, 140, 255, .14); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.live-summary, .final-summary { padding: 21px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.summary-line { display: flex; justify-content: space-between; gap: 20px; padding: 8px 0; }
.summary-total { margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--blue-text); font: 800 23px Sora, sans-serif; }
.artwork-preview { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.artwork-preview figure { margin: 0; }
.artwork-preview img { width: 100%; aspect-ratio: 5/3; object-fit: contain; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.artwork-preview figcaption { margin-top: 6px; color: var(--muted); font-size: 12px; }
.calendar-head { display: flex; justify-content: space-between; align-items: center; margin: 24px 0 12px; }
.calendar-head span { color: var(--muted); font-size: 12px; }
.calendar-head i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin: 0 5px 0 12px; }
.calendar-head .available { background: var(--green); }
.calendar-head .closed { background: #96a7b7; }
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.day { min-height: 74px; padding: 8px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); cursor: pointer; }
.day small { display: block; margin-top: 5px; color: var(--muted); font-size: 10px; }
.day.available { border-color: rgba(18, 168, 121, .5); }
.day.selected { border-color: var(--blue); background: var(--blue); color: #fff; }
.day.selected small { color: #e8f5ff; }
.day:disabled { opacity: .42; cursor: not-allowed; }
.day.boostable { border-color: #e3a238; }
.boost { margin-top: 16px; padding: 16px; border: 1px solid #e3a238; border-radius: 12px; background: #fff8e9; }
.review-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 24px; }
.radio-row, .check { display: flex; align-items: flex-start; gap: 10px; }
.radio-row input, .check input { width: auto; margin-top: 3px; }
.form-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }
.status { min-height: 24px; color: var(--muted); }
.status.error { color: var(--danger); }

.success { max-width: 760px; margin: 80px auto; padding: 54px; text-align: center; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); }
.success h2 { font: 800 34px Sora, sans-serif; }
.success > strong { display: block; padding: 18px; border: 1px dashed var(--blue); border-radius: 12px; color: var(--blue-text); word-break: break-all; }
.success .actions { justify-content: center; }
.tracking { margin-top: 28px; text-align: left; }
.track-item { padding: 14px 0; border-top: 1px solid var(--line); }

footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; padding: 42px clamp(20px, 5vw, 76px); border-top: 1px solid var(--line); background: #fff; color: var(--muted); }
footer b { color: var(--blue-text); }
footer small { flex-basis: 100%; margin-top: 8px; padding-top: 20px; border-top: 1px solid var(--line); }

@media (max-width: 980px) {
  .nav nav { display: none; }
  .hero { grid-template-columns: 1fr; }
  .hero-card { max-width: 640px; }
  .combo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .nav { min-height: 68px; gap: 12px; padding: 10px 16px; }
  .brand span { display: none; }
  .button.small { min-height: 40px; padding: 10px 13px; font-size: 12px; }
  .cart-button { width: 46px; height: 46px; }
  .nav-actions { gap: 8px; }
  .all-catalog-link { min-height: 40px; padding: 0 11px; font-size: 11px; }
  .hero { width: calc(100% - 24px); min-height: auto; margin-top: 12px; padding: 42px 22px; border-radius: 17px; }
  .hero-back { top: 15px; left: 16px; }
  .hero-copy { padding-top: 32px; }
  .hero h1 { font-size: clamp(48px, 18vw, 68px); letter-spacing: -2px; }
  .hero h2 { font-size: 25px; }
  .hero p { font-size: 15px; }
  .hero-card { padding: 22px; }
  .hero-card .actions .button { width: 100%; }
  .section { padding: 66px 18px; }
  .section-head.split { display: block; }
  .section-head.split > p { margin-top: 15px; }
  .info-grid, .feature-grid, .package-grid, .technique-grid, .process-grid, .specs-quote, .choice-grid, .choice-grid.compact { grid-template-columns: 1fr; }
  .secondary-materials { grid-template-columns: 1fr; gap: 10px; }
  .catalog-toolbar { align-items: flex-start; flex-direction: column; }
  .combo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .combo-grid img { height: 165px; }
  .spec-card dl, .two, .review-layout { grid-template-columns: 1fr; }
  .contact-block { align-items: flex-start; }
  .builder { margin: 20px 12px 70px; padding: 16px; border-radius: 18px; }
  .builder-head h2 { font-size: 26px; }
  .panel { padding: 17px; }
  .calendar { grid-template-columns: repeat(4, 1fr); }
  .form-actions .button { flex: 1; }
  .success { margin: 30px 14px; padding: 30px 20px; }
  footer { flex-direction: column; }
}

@media (max-width: 420px) {
  .combo-grid { grid-template-columns: 1fr; }
  .calendar { grid-template-columns: repeat(3, 1fr); }
  .artwork-preview { grid-template-columns: 1fr; }
}
.customer-option-groups{display:grid;gap:18px;margin-top:18px}.customer-option-group{margin:0;padding:16px;border:1px solid #c1d9f1;border-radius:14px}.customer-option-group legend{padding:0 8px;font-weight:800;color:#0a1a2d}.customer-option-group .choice{min-height:64px;text-align:left}

/* Mobile section nav: a scrollable row of section links instead of hiding them (QA 2026-10-09). */
@media (max-width: 980px) {
  .nav { flex-wrap: wrap; row-gap: 8px; }
  .nav nav { display: flex; order: 3; flex-basis: 100%; gap: 8px; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; scroll-snap-type: x proximity; margin: 0 -16px; padding: 0 16px 2px; }
  .nav nav::-webkit-scrollbar { display: none; }
  .nav nav a { flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border: 1px solid var(--line); border-radius: 999px; background: #fff; white-space: nowrap; scroll-snap-align: start; }
  .nav nav a:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
}
@media (max-width: 760px) {
  .all-catalog-link { min-height: 44px; font-size: 12px; }
}