/* ============================================================
   Marlden Heating — style.css
   DNA seed: dbzgd3bm | convention: utility-first classes
   Spacing: 6/12/24/48/96px | Typography: editorial serif
   Buttons: neobrutalist offset shadow
   ============================================================ */

/* --- RESET & BASE ----------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-ink:        #1a1a1a;
  --c-body:       #3a3a3a;
  --c-muted:      #f5f3f0;
  --c-white:      #ffffff;
  --c-accent:     #c0392b;
  --c-accent-dk:  #96281b;
  --c-border:     #1a1a1a;
  --c-rule:       #d9d5d0;
  --ff-serif:     Georgia, Palatino, 'Times New Roman', serif;
  --sp-1:   6px;
  --sp-2:  12px;
  --sp-3:  24px;
  --sp-4:  48px;
  --sp-5:  96px;
  --section-pad: 96px;
  --max-w: 1060px;
  --header-h: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--ff-serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-body);
  background: var(--c-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

/* --- SKIP LINK -------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--sp-3);
  background: var(--c-accent);
  color: var(--c-white);
  padding: var(--sp-1) var(--sp-3);
  font-size: 0.9rem;
  z-index: 9999;
  border: 2px solid var(--c-border);
  transition: top 0.2s;
}
.skip-link:focus { top: var(--sp-2); }

/* --- UTILITY CLASSES ------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

.bg-muted { background-color: var(--c-muted); }

.text-xl {
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.text-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--sp-2);
}

.stack-3 { margin-bottom: var(--sp-3); }
.row-gap-2 { margin-top: var(--sp-3); }

.text-center { text-align: center; }

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--c-body);
  max-width: 580px;
  margin-bottom: var(--sp-4);
}

/* --- BUTTONS: neobrutalist -------------------------------- */
.btn-cta {
  display: inline-block;
  background: var(--c-accent);
  color: var(--c-white);
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 32px;
  border: 2.5px solid var(--c-border);
  box-shadow: 5px 5px 0 var(--c-border);
  cursor: pointer;
  transition: box-shadow 0.12s ease, transform 0.12s ease;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.btn-cta:hover, .btn-cta:focus-visible {
  box-shadow: 2px 2px 0 var(--c-border);
  transform: translate(3px, 3px);
  outline: none;
}

.btn-cta:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
}

.btn-pill {
  border-radius: 0;
}

.btn-cta--full {
  width: 100%;
  text-align: center;
  display: block;
}

/* --- HEADER ---------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: var(--header-h);
  background: rgba(255,255,255,0.97);
  border-bottom: 2px solid var(--c-border);
  backdrop-filter: blur(4px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  min-height: var(--header-h);
  padding-block: var(--sp-2);
}

.wordmark {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: -0.01em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-list {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.nav-list a {
  font-size: 0.9rem;
  color: var(--c-body);
  font-weight: 600;
  transition: color 0.15s;
}

.nav-list a:hover { color: var(--c-accent); }

.header-cta {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  padding-bottom: 1px;
  white-space: nowrap;
  transition: color 0.15s;
}
.header-cta:hover { color: var(--c-accent-dk); border-color: var(--c-accent-dk); }

/* --- HERO ------------------------------------------------- */
.section-hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
}

.hero-img-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  aspect-ratio: 16/9;
  max-height: 620px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10,10,10,0.82) 0%, rgba(10,10,10,0.48) 60%, rgba(10,10,10,0.18) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-block: var(--sp-5);
}

.hero-text {
  max-width: 560px;
}

.hero-text .text-xl {
  color: var(--c-white);
  margin-bottom: var(--sp-3);
}

.hero-sub {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--sp-4);
  max-width: 480px;
}

/* --- PROBLEM / SOLUTION ----------------------------------- */
.section-problem {
  padding-block: var(--section-pad);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  align-items: start;
}

.problem-col h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  line-height: 1.25;
  color: var(--c-ink);
  margin-bottom: var(--sp-3);
}

.problem-col p + p { margin-top: var(--sp-3); }

.solution-panel {
  background: var(--c-white);
  border: 2.5px solid var(--c-border);
  padding: var(--sp-4);
  box-shadow: 6px 6px 0 var(--c-ink);
}

.solution-icon {
  color: var(--c-accent);
  margin-bottom: var(--sp-3);
}

.solution-panel h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-3);
}

.solution-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.solution-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: 0.97rem;
}

.list-icon {
  color: var(--c-accent);
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- PROCESS --------------------------------------------- */
.section-process {
  padding-block: var(--section-pad);
}

.process-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4) var(--sp-5);
  margin-bottom: var(--sp-4);
  counter-reset: none;
}

.process-step {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-start;
  border-top: 2.5px solid var(--c-ink);
  padding-top: var(--sp-3);
}

.step-number {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 48px;
}

.step-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-1);
}

.step-body p { font-size: 0.95rem; }

/* --- SERVICES -------------------------------------------- */
.section-services {
  padding-block: var(--section-pad);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-3);
}

.service-card {
  background: var(--c-white);
  border: 2px solid var(--c-rule);
  padding: var(--sp-4);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.service-card:hover {
  border-color: var(--c-ink);
  box-shadow: 4px 4px 0 var(--c-ink);
}

.service-icon {
  color: var(--c-accent);
  margin-bottom: var(--sp-2);
}

.service-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
}

.service-card p { font-size: 0.93rem; line-height: 1.65; }

/* --- PHOTO BAND ------------------------------------------ */
.section-photo-band {
  position: relative;
  overflow: hidden;
}

.photo-band-wrap {
  position: relative;
  min-height: 360px;
  display: flex;
  align-items: center;
}

.photo-band-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  max-height: 480px;
}

.photo-band-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,10,10,0.78) 0%, rgba(10,10,10,0.42) 70%, transparent 100%);
}

.photo-band-text {
  position: relative;
  z-index: 1;
  max-width: 560px;
  padding-block: var(--sp-5);
}

.photo-band-text h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
  margin-bottom: var(--sp-3);
}

.photo-band-text p {
  color: rgba(255,255,255,0.88);
  font-size: 1rem;
  margin-bottom: var(--sp-4);
}

/* --- TRUST ------------------------------------------------ */
.section-trust {
  padding-block: var(--section-pad);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-4) var(--sp-3);
}

.trust-item {
  border-top: 2.5px solid var(--c-accent);
  padding-top: var(--sp-3);
}

.trust-icon {
  color: var(--c-accent);
  margin-bottom: var(--sp-2);
}

.trust-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-1);
}

.trust-item p { font-size: 0.92rem; line-height: 1.65; }

/* --- TESTIMONIALS ---------------------------------------- */
.section-testimonials {
  padding-block: var(--section-pad);
}

.testimonials-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}

.testimonial-card {
  background: var(--c-white);
  border: 2px solid var(--c-rule);
  padding: var(--sp-4);
  box-shadow: 4px 4px 0 var(--c-rule);
}

.testimonial-card blockquote p {
  font-size: 0.97rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--c-body);
  margin-bottom: var(--sp-3);
}

.testimonial-card figcaption {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--c-ink);
}

.testimonial-loc {
  font-size: 0.82rem;
  color: #777;
}

/* --- FAQ -------------------------------------------------- */
.section-faq {
  padding-block: var(--section-pad);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1.5px solid var(--c-rule);
  padding-block: var(--sp-3);
}

.faq-item:first-child { border-top: 1.5px solid var(--c-rule); }

.faq-item dt {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
}

.faq-item dd {
  font-size: 0.95rem;
  line-height: 1.7;
  max-width: 780px;
}

/* --- LEAD FORM ZONE -------------------------------------- */
.section-form {
  padding-block: var(--section-pad);
  background: var(--c-ink);
}

.form-zone {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  align-items: start;
}

.form-intro .form-box__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--c-white);
  line-height: 1.2;
  margin-bottom: var(--sp-3);
}

.form-intro p {
  color: rgba(255,255,255,0.82);
  font-size: 1rem;
  margin-bottom: var(--sp-3);
}

.form-assurance {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.form-assurance li {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.93rem;
  color: rgba(255,255,255,0.78);
  font-weight: 600;
}

.form-assurance li span {
  color: var(--c-accent);
  font-size: 1rem;
}

.form-box {
  background: var(--c-white);
  border: 2.5px solid var(--c-white);
  padding: var(--sp-4);
  box-shadow: 6px 6px 0 var(--c-accent);
}

.form-box__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-3);
}

.form-box__privacy {
  font-size: 0.82rem;
  color: #666;
  margin-top: var(--sp-2);
  line-height: 1.5;
}

/* Form fields */
.field {
  margin-bottom: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.field__label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--c-ink);
}

.field__required {
  color: var(--c-accent);
  margin-left: 2px;
}

.field__input {
  font-family: var(--ff-serif);
  font-size: 0.97rem;
  color: var(--c-ink);
  background: var(--c-white);
  border: 2px solid #ccc;
  padding: 10px 14px;
  width: 100%;
  transition: border-color 0.15s;
  -webkit-appearance: none;
  border-radius: 0;
}

.field__input:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 3px 3px 0 var(--c-accent);
}

.field__error {
  font-size: 0.82rem;
  color: var(--c-accent);
  font-weight: 600;
}

.name-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}

.phone-wrap {
  display: flex;
  gap: var(--sp-1);
}

.phone-wrap__dial {
  font-family: var(--ff-serif);
  font-size: 0.97rem;
  border: 2px solid #ccc;
  padding: 10px 10px;
  background: var(--c-muted);
  color: var(--c-ink);
  flex-shrink: 0;
  width: 72px;
  border-radius: 0;
}

.phone-wrap__number {
  flex: 1;
}

/* Form messages */
.form-message {
  padding: var(--sp-2) var(--sp-3);
  font-size: 0.93rem;
  margin-bottom: var(--sp-2);
  font-weight: 600;
  border: 2px solid;
}

.form-message--error {
  background: #fdf2f2;
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.form-message--success {
  background: #f0faf4;
  border-color: #2e7d52;
  color: #2e7d52;
}

.form-success {
  padding: var(--sp-4);
  text-align: center;
}

.form-success__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--c-ink);
  margin-bottom: var(--sp-2);
}

.form-success__msg {
  font-size: 0.97rem;
  color: var(--c-body);
}

/* --- FOOTER ---------------------------------------------- */
.site-footer {
  background: #111;
  border-top: 3px solid var(--c-accent);
  padding-block: var(--sp-5);
  color: rgba(255,255,255,0.7);
}

.footer-brand {
  margin-bottom: var(--sp-4);
}

.footer-wordmark {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-1);
}

.footer-tagline {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.55);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-4);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--sp-3);
}

.footer-nav a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  transition: color 0.15s;
}

.footer-nav a:hover { color: var(--c-white); }

.footer-copy {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.35);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--sp-3);
}

/* --- TABLET ≤1024px --------------------------------------- */
@media (max-width: 1024px) {
  :root { --section-pad: 72px; }

  .problem-grid { gap: var(--sp-4); }
  .trust-strip { grid-template-columns: repeat(2, 1fr); }
  .testimonials-row { grid-template-columns: 1fr 1fr; }
  .testimonials-row .testimonial-card:nth-child(3) { grid-column: 1 / -1; max-width: 480px; }
  .process-steps { gap: var(--sp-3) var(--sp-4); }
}

/* --- MOBILE ≤768px ---------------------------------------- */
@media (max-width: 768px) {
  :root {
    --section-pad: 48px;
    --header-h: 56px;
  }

  .container { padding-inline: var(--sp-3); }

  /* header */
  .header-inner { gap: var(--sp-2); }
  .nav-list { display: none; }

  /* hero */
  .section-hero { min-height: 420px; }
  .hero-img { aspect-ratio: 4/3; max-height: 420px; }
  .hero-content { padding-block: var(--sp-4); }
  .hero-text { max-width: 100%; }
  .hero-text .text-xl { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-sub { font-size: 0.97rem; }

  /* problem/solution */
  .problem-grid { grid-template-columns: 1fr; gap: var(--sp-4); }

  /* process */
  .process-steps { grid-template-columns: 1fr; gap: var(--sp-3); }

  /* services */
  .services-grid { grid-template-columns: 1fr; }

  /* photo band */
  .photo-band-wrap { min-height: 280px; }
  .photo-band-img { max-height: 340px; }
  .photo-band-text { padding-block: var(--sp-4); }

  /* trust */
  .trust-strip { grid-template-columns: 1fr; }

  /* testimonials */
  .testimonials-row { grid-template-columns: 1fr; }
  .testimonials-row .testimonial-card:nth-child(3) { max-width: 100%; }

  /* form zone */
  .form-zone { grid-template-columns: 1fr; gap: var(--sp-4); }
  .name-row { grid-template-columns: 1fr; }
  .form-box { padding: var(--sp-3); }

  /* footer */
  .footer-nav { flex-direction: column; gap: var(--sp-2); }
}

/* ── Phone dial control (injected) ─────────────────────────────────── */
.phone-wrap { display: flex; gap: .5rem; align-items: stretch; }
.phone-wrap__number { flex: 1; min-width: 0; }
.dial { position: relative; flex: none; display: flex; }
.dial__display {
  display: inline-flex; align-items: center; gap: .4rem; width: 100%;
  padding: .7rem .6rem .7rem .7rem;
  border: 1.5px solid var(--clr-border, var(--color-border, #d9d4cc)); border-radius: 8px;
  background: var(--clr-bg, var(--color-bg, #f6f5f2)); color: var(--clr-text, var(--color-text, #1c1c1c));
  font-size: 1rem; line-height: 1.25; white-space: nowrap;
  pointer-events: none;                    /* clicks belong to the select on top */
  transition: border-color .15s, box-shadow .15s;
}
.dial__flag { font-size: 1.15rem; line-height: 1; }
.dial__flag:not(:empty) { min-width: 1.35em; text-align: center; }
.dial__code { font-weight: 700; font-variant-numeric: tabular-nums; }
.dial__caret { width: 15px; height: 15px; flex: none; color: var(--clr-text-muted, var(--color-text-muted, var(--color-label, #6b6b6b))); }
.dial__select {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; cursor: pointer; border: 0; padding: 0; margin: 0;
  appearance: none; -webkit-appearance: none;
}
.dial:focus-within .dial__display { border-color: var(--clr-accent, var(--color-primary, #b4682f)); box-shadow: 0 0 0 3px rgba(0,0,0,.08); }


/* ── Outbound industry references (injected) ───────────────────────── */
.resources-section { padding-block: clamp(3rem, 7vw, 4.5rem); background: var(--clr-bg, var(--color-bg, #f6f5f2)); }
.resources-section .section-header { margin-bottom: 2rem; }
.resource-eyebrow { margin: 0 0 0.75rem; }
.resource-title { font-size: clamp(1.6rem, 4vw, 2.3rem); line-height: 1.15; margin: 0 0 0.75rem; color: var(--clr-brand, var(--color-heading, var(--color-text, #23303a))); }
.resource-intro { font-size: 1rem; line-height: 1.65; color: var(--clr-text-mid, var(--color-text-mid, #3d3d3d)); margin: 0; max-width: 68ch; }
.resource-group { margin-top: 2.5rem; }
.resource-group__title {
  font-size: 1.05rem; font-weight: 700; color: var(--clr-brand, var(--color-heading, var(--color-text, #23303a)));
  margin: 0 0 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--clr-border, var(--color-border, #d9d4cc));
}
.resource-grid {
  list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.resource-card {
  background: var(--clr-surface, var(--color-surface, #ffffff)); border: 1px solid var(--clr-border, var(--color-border, #d9d4cc)); border-radius: 12px; padding: 1.35rem;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.resource-card:hover { transform: translateY(-2px); border-color: var(--clr-accent, var(--color-primary, #b4682f)); box-shadow: 0 6px 22px rgba(0,0,0,.07); }
.resource-card__link {
  display: grid; grid-template-columns: 1fr auto; align-items: baseline;
  gap: .25rem .75rem; text-decoration: none; color: inherit;
}
.resource-card__name {
  grid-column: 1; font-weight: 700; font-size: 1.02rem; color: var(--clr-brand, var(--color-heading, var(--color-text, #23303a)));
  text-decoration: underline; text-decoration-color: var(--clr-accent, var(--color-primary, #b4682f));
  text-decoration-thickness: 2px; text-underline-offset: 3px;
}
.resource-card__meta {
  grid-column: 1; grid-row: 2; font-size: .78rem; color: var(--clr-text-muted, var(--color-text-muted, var(--color-label, #6b6b6b)));
  text-transform: uppercase; letter-spacing: .06em;
}
.resource-card__arrow { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--clr-accent, var(--color-primary, #b4682f)); font-size: 1.1rem; transition: transform .2s ease; }
.resource-card__link:hover .resource-card__arrow { transform: translateX(3px); }
.resource-card__desc { margin: .75rem 0 0; font-size: .92rem; line-height: 1.55; color: var(--clr-text-mid, var(--color-text-mid, #3d3d3d)); }
.resource-note { margin: 2rem 0 0; font-size: .85rem; line-height: 1.6; color: var(--clr-text-muted, var(--color-text-muted, var(--color-label, #6b6b6b))); max-width: 68ch; }
@media (min-width: 900px) { .resource-grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 700px) { .resource-grid, .resource-grid--three, .resource-grid--two { grid-template-columns: 1fr; } .resource-group { margin-top: 2rem; } }

/* ── Form polish (injected) ────────────────────────────────────────── */
/* #form-message is the empty status container; several generated stylesheets
   give it a border/background, so it renders as a stray empty box until a
   message appears. */
.form-message:empty { display: none; }
/* Keep the number field wide enough that its placeholder is not clipped when
   the form sits in a narrow column beside the dial chip. */
.dial__display { padding-left: .55rem; padding-right: .5rem; gap: .3rem; }
.dial__caret { width: 13px; height: 13px; }