/* ============================================================
   Earle Dental Clinic — Main Street, Gibraltar
   Direction: private-practice engraving. Porcelain surfaces,
   petrol ink, hairline rules, Caslon over Instrument Sans.
   ============================================================ */

:root {
  --ink:        #0E2B33;
  --ink-muted:  #47646E;
  --surface:    #F6F9FA;
  --surface-2:  #EBF2F3;
  --deep:       #0B2E38;   /* dark bands */
  --on-deep:    #E2EEF1;
  --on-deep-muted: #A7C4CC;
  --brand:      #0074AF;   /* logo azure, deepened for 4.5:1 text contrast */
  --brand-2:    #17BCCE;   /* logo cyan */
  --accent:     #006CA8;   /* CTAs only */
  --accent-down:#00587F;
  --line:       #D3E1E5;
  --line-dark:  #2A505C;

  --font-display: "Libre Caslon Display", "Libre Caslon Text", Georgia, serif;
  --font-serif:   "Libre Caslon Text", Georgia, serif;
  --font-body:    "Instrument Sans", system-ui, -apple-system, sans-serif;

  --step--1: 0.875rem;
  --step-0:  1.0625rem;
  --step-1:  1.3125rem;
  --step-2:  clamp(1.75rem, 1.3rem + 2vw, 2.375rem);
  --step-3:  clamp(2.35rem, 1.6rem + 3.4vw, 3.75rem);

  --space-1: .5rem;  --space-2: 1rem;   --space-3: 1.5rem;
  --space-4: 2.5rem; --space-5: 4rem;   --space-6: clamp(4.5rem, 4rem + 4vw, 7.5rem);

  --radius-sm: 4px;
  --radius: 8px;
  --shadow: 0 18px 40px -24px rgba(11, 46, 56, .35);
  --measure: 62ch;
  --container: 1140px;
  --header-h: 76px;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--ink);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
ul { padding: 0; }
iframe { border: 0; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute; inset-block-start: -100px; inset-inline-start: var(--space-2);
  background: var(--ink); color: var(--surface);
  padding: .6rem 1rem; border-radius: var(--radius-sm);
  z-index: 200; transition: inset-block-start .2s;
}
.skip-link:focus { inset-block-start: var(--space-2); }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

section { scroll-margin-top: calc(var(--header-h) + 1rem); }
@media (max-width: 55.99rem) {
  /* mobile header = bar + section strip */
  section { scroll-margin-top: calc(var(--header-h) + 3.4rem); }
}

/* ---------- typography primitives ---------- */
h1, h2 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
}
h2 { font-size: var(--step-2); max-width: 24ch; }

.eyebrow {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--brand);
  margin-block-end: var(--space-2);
}
.eyebrow--light { color: var(--brand-2); }

.section-head { margin-block-end: var(--space-4); }
.section-head--light h2 { color: var(--on-deep); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 48px;
  padding: .7rem 1.5rem;
  font: 600 .95rem/1.2 var(--font-body);
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 22px -12px rgba(0, 108, 168, .55);
}
.btn--primary:hover { background: var(--accent-down); }
.btn--ghost {
  border-color: var(--line);
  color: var(--ink);
  background: transparent;
}
.btn--ghost:hover { border-color: var(--ink-muted); }
.btn--ghost-light { border-color: var(--line-dark); color: var(--on-deep); }
.btn--ghost-light:hover { border-color: var(--on-deep-muted); }
.btn--sm { min-height: 44px; padding: .5rem 1.1rem; font-size: .875rem; white-space: nowrap; }
@media (max-width: 55.99rem) {
  .btn--sm { padding-inline: .9rem; font-size: .84rem; }
  .header__brand img { width: 76px; }
  .header__inner { gap: var(--space-2); }
}

/* ---------- header ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-block-end: 1px solid transparent;
  transition: border-color .25s var(--ease);
}
.header.is-scrolled { border-block-end-color: var(--line); }
.header__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.header__brand img { width: 108px; height: auto; }
.header__nav {
  display: none;
  gap: clamp(1rem, 2.5vw, 2rem);
  margin-inline: auto;
}
.header__nav a {
  font-size: .9rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--ink-muted);
  padding-block: .4rem;
  border-block-end: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.header__nav a:hover { color: var(--ink); border-block-end-color: var(--brand); }
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}
.header__tel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-width: 44px;
  min-height: 44px;
  font-size: .9rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  white-space: nowrap;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}
.header__tel svg { color: var(--brand); }
.header__tel:hover { color: var(--accent); border-color: var(--ink-muted); }
.header__tel span { display: none; }
@media (min-width: 56rem) {
  .header__tel { border: 0; min-width: 0; }
  .header__tel span { display: inline; }
}

/* mobile section strip instead of a hamburger */
.header__strip {
  display: flex;
  gap: 1.4rem;
  overflow-x: auto;
  padding: .45rem clamp(1.25rem, 4vw, 2.5rem) .65rem;
  border-block-start: 1px solid var(--line);
  scrollbar-width: none;
}
.header__strip::-webkit-scrollbar { display: none; }
.header__strip a {
  font-size: .82rem;
  font-weight: 500;
  color: var(--ink-muted);
  text-decoration: none;
  white-space: nowrap;
}
.header__strip a:hover { color: var(--ink); }

@media (min-width: 56rem) {
  .header__nav { display: flex; }
  .header__tel { display: inline-flex; }
  .header__strip { display: none; }
}

/* ---------- hero ---------- */
.hero { overflow: hidden; }
.hero__inner {
  max-width: var(--container);
  margin-inline: auto;
  padding: clamp(3rem, 6vw, 5.5rem) clamp(1.25rem, 4vw, 2.5rem) 0;
  display: grid;
  gap: var(--space-4);
}
.hero__title {
  font-size: var(--step-3);
  max-width: 15ch;
  margin-block-end: var(--space-3);
}
.hero__sub {
  color: var(--ink-muted);
  max-width: 52ch;
  margin-block-end: var(--space-4);
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-end: var(--space-4);
}
.hero__proof {
  grid-area: proof;
  list-style: none;
  display: grid;
  gap: var(--space-2);
  border-block-start: 1px solid var(--line);
  padding-block: var(--space-3) var(--space-5);
}
.hero__proof li {
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.hero__proof strong {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--step-1);
  line-height: 1.2;
}
.hero__proof span { font-size: .85rem; color: var(--ink-muted); }

.hero__art { grid-area: art; margin: 0; align-self: end; }
.hero__art svg { width: 100%; height: auto; display: block; }
.hero__copy { grid-area: copy; }

.hero__inner {
  grid-template-areas: "copy" "art" "proof";
}
@media (min-width: 60rem) {
  .hero__inner {
    grid-template-columns: 1.05fr 1fr;
    grid-template-areas:
      "copy art"
      "proof proof";
    align-items: center;
    column-gap: var(--space-5);
  }
  .hero__proof {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding-block-start: var(--space-4);
  }
  .hero__proof li {
    padding-inline-end: var(--space-4);
    border-inline-end: 1px solid var(--line);
  }
  .hero__proof li:last-child { border-inline-end: 0; }
}

/* --- the signature ridge drawing --- */
.ridge__base {
  stroke: var(--line);
  stroke-width: 1.5;
}
.ridge__line {
  stroke: url(#ridgeGrad);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.ridge__echo {
  stroke: var(--brand);
  stroke-width: 1;
  opacity: .28;
  stroke-dasharray: 3 7;
  stroke-linecap: round;
}
.ridge__echo--2 { opacity: .14; }
.ridge__note line { stroke: var(--ink-muted); stroke-width: 1; opacity: .55; }
.ridge__note text,
.ridge__pin text {
  font: 500 11px/1 var(--font-body);
  letter-spacing: .08em;
  fill: var(--ink-muted);
}
.ridge__pin line { stroke: var(--brand); stroke-width: 1; }
.ridge__dot { fill: var(--brand); }
.ridge__pulse {
  fill: none;
  stroke: var(--brand-2);
  stroke-width: 1.5;
  transform-origin: 310px 330px;
  animation: pin-pulse 3.2s var(--ease) infinite;
}
@keyframes pin-pulse {
  0%   { transform: scale(.6); opacity: .9; }
  70%  { transform: scale(2.1); opacity: 0; }
  100% { transform: scale(2.1); opacity: 0; }
}

/* draw-on-load, only when motion is allowed */
.ridge__echo { --echo-opacity: .28; opacity: var(--echo-opacity); }
.ridge__echo--2 { --echo-opacity: .14; }
@media (prefers-reduced-motion: no-preference) {
  .ridge__line {
    stroke-dasharray: 1600;
    stroke-dashoffset: 1600;
    animation: ridge-draw 2s var(--ease) .3s forwards;
  }
  .ridge__note, .ridge__pin { opacity: 0; animation: fade-up .8s var(--ease) 1.7s forwards; }
  .ridge__echo {
    opacity: 0;
    animation: echo-in 1s var(--ease) 1.4s forwards;
  }
  .ridge__echo--2 { animation-delay: 1.55s; }
}
@keyframes ridge-draw { to { stroke-dashoffset: 0; } }
@keyframes fade-up { to { opacity: 1; } }
@keyframes echo-in { to { opacity: var(--echo-opacity); } }

/* ---------- certification band ---------- */
.cert {
  background: var(--deep);
  color: var(--on-deep);
  padding-block: var(--space-6);
}
.cert__inner {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}
.cert__title { color: var(--on-deep); margin-block-end: var(--space-3); }
.cert__copy p {
  color: var(--on-deep-muted);
  max-width: var(--measure);
}
.cert__copy p + p { margin-block-start: var(--space-2); }
.cert__copy strong { color: var(--on-deep); font-weight: 600; }

.cert__plaque {
  border: 1px solid var(--line-dark);
  outline: 1px solid var(--line-dark);
  outline-offset: 5px;
  border-radius: var(--radius-sm);
  padding: var(--space-4) var(--space-3);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: linear-gradient(160deg, rgba(23, 188, 206, .05), rgba(0, 128, 192, .03));
}
.cert__plaque-head,
.cert__plaque-foot {
  grid-column: 1 / -1;
  text-align: center;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--brand-2);
}
.cert__plaque-head { padding-block-end: var(--space-2); border-block-end: 1px solid var(--line-dark); }
.cert__plaque-foot {
  padding-block-start: var(--space-2);
  border-block-start: 1px solid var(--line-dark);
  color: var(--on-deep-muted);
  letter-spacing: .08em;
  text-transform: none;
  font-weight: 400;
  font-size: .8rem;
}
.cert__plaque span {
  font-family: var(--font-serif);
  font-size: 1.02rem;
  padding: .8rem .5rem;
  text-align: center;
  border-block-end: 1px solid var(--line-dark);
}
.cert__plaque span:nth-of-type(odd) { border-inline-end: 1px solid var(--line-dark); }
.cert__plaque span:nth-last-of-type(1),
.cert__plaque span:nth-last-of-type(2) { border-block-end: 0; }

@media (min-width: 60rem) {
  .cert__inner { grid-template-columns: 1.1fr .9fr; gap: var(--space-5); }
}

/* ---------- services ---------- */
.services { padding-block: var(--space-6); }
.services__group + .services__group { margin-block-start: var(--space-5); }
.services__group-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-style: italic;
  font-size: var(--step-1);
  color: var(--ink-muted);
  margin-block-end: var(--space-2);
}
.services__list { list-style: none; border-block-start: 1px solid var(--line); }
.services__list li {
  display: grid;
  gap: .3rem;
  padding-block: var(--space-3);
  border-block-end: 1px solid var(--line);
}
.services__name {
  font-family: var(--font-serif);
  font-size: var(--step-1);
  line-height: 1.3;
}
.services__desc { color: var(--ink-muted); max-width: 58ch; }
.services__tag {
  justify-self: start;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
  padding: .25rem .6rem;
  border: 1px solid var(--line);
  border-radius: 100px;
  white-space: nowrap;
}
@media (min-width: 48rem) {
  .services__list li {
    grid-template-columns: 15rem 1fr auto;
    align-items: baseline;
    gap: var(--space-3);
  }
  .services__tag { justify-self: end; }
}

/* ---------- orthodontics ---------- */
.ortho {
  background: var(--surface-2);
  padding-block: var(--space-6);
}
.ortho__inner { display: grid; gap: var(--space-5); align-items: start; }
.ortho__copy h2 { margin-block-end: var(--space-3); }
.ortho__copy > p { color: var(--ink-muted); max-width: 52ch; margin-block-end: var(--space-3); }

.ortho__creds {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-block-end: var(--space-3);
}
.ortho__creds-head {
  font-family: var(--font-serif);
  font-weight: 700;
  margin-block-end: var(--space-1);
}
.ortho__creds ul { list-style: none; }
.ortho__creds li {
  position: relative;
  padding-inline-start: 1.2rem;
  padding-block: .3rem;
  font-size: .95rem;
  color: var(--ink-muted);
}
.ortho__creds li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: .95em;
  width: .55rem;
  height: 1px;
  background: var(--brand);
}
.ortho__link {
  font-weight: 600;
  font-size: .95rem;
  color: var(--accent);
  text-decoration: none;
  border-block-end: 1px solid currentColor;
  padding-block-end: 2px;
}
.ortho__link:hover { color: var(--accent-down); }

.ortho__treatments { list-style: none; display: grid; gap: 0; border-block-start: 1px solid var(--line); }
.ortho__treatments li {
  padding-block: var(--space-3);
  border-block-end: 1px solid var(--line);
  display: grid;
  gap: .25rem;
}
.ortho__t-name { font-family: var(--font-serif); font-size: 1.15rem; }
.ortho__t-desc { color: var(--ink-muted); font-size: .95rem; max-width: 52ch; }

@media (min-width: 60rem) {
  .ortho__inner { grid-template-columns: .95fr 1.05fr; }
}

/* ---------- team ---------- */
.team { padding-block: var(--space-6); }
.team__grid {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}
.team__card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: var(--surface);
  display: grid;
  gap: .35rem;
  align-content: start;
}
.team__initials {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-block-end: var(--space-2);
}
.team__card h3 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.2rem;
}
.team__quals {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--brand);
}
.team__role { color: var(--ink-muted); font-size: .95rem; }
.team__card--visiting { background: var(--surface-2); border-style: dashed; }

@media (min-width: 40rem) { .team__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 64rem) { .team__grid { grid-template-columns: repeat(4, 1fr); } }

/* ---------- faq ---------- */
.faq { padding-block: var(--space-6); padding-block-start: 0; }
.faq__inner { display: grid; gap: var(--space-4); align-items: start; }
.section-head--side { margin-block-end: 0; position: sticky; top: calc(var(--header-h) + 2rem); }

.faq__list details {
  border-block-end: 1px solid var(--line);
}
.faq__list details:first-child { border-block-start: 1px solid var(--line); }
.faq__list summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-block: var(--space-3);
  font-family: var(--font-serif);
  font-size: var(--step-1);
  line-height: 1.35;
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__marker {
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
  position: relative;
}
.faq__marker::before, .faq__marker::after {
  content: "";
  position: absolute;
  background: var(--brand);
  inset-block-start: 50%;
  inset-inline-start: 0;
  width: 100%;
  height: 1.5px;
  transform: translateY(-50%);
  transition: transform .25s var(--ease);
}
.faq__marker::after { transform: translateY(-50%) rotate(90deg); }
details[open] .faq__marker::after { transform: translateY(-50%) rotate(0deg); }
.faq__body { padding-block-end: var(--space-3); }
.faq__body p { color: var(--ink-muted); max-width: 56ch; }
.faq__body a { color: var(--accent); font-weight: 600; }

@media (min-width: 60rem) {
  .faq__inner { grid-template-columns: .8fr 1.2fr; gap: var(--space-5); }
}

/* ---------- visit / contact ---------- */
.visit {
  background: var(--deep);
  color: var(--on-deep);
  padding-block: var(--space-6);
}
.visit__grid { display: grid; gap: var(--space-4); }
.visit__info { display: grid; gap: var(--space-4); align-content: start; }
.visit__block { display: grid; gap: .4rem; }
.visit__label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--brand-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.visit__big {
  font-family: var(--font-serif);
  font-size: var(--step-1);
  line-height: 1.4;
}
.visit__link {
  justify-self: start;
  font-weight: 600;
  font-size: .9rem;
  color: var(--brand-2);
  text-decoration: none;
  border-block-end: 1px solid currentColor;
  padding-block-end: 2px;
}
.visit__link:hover { color: var(--on-deep); }
.visit__tel {
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  text-decoration: none;
  color: var(--on-deep);
  letter-spacing: .01em;
}
.visit__tel:hover { color: var(--brand-2); }
.visit__aside { font-size: .92rem; color: var(--on-deep-muted); }
.visit__aside a { color: var(--on-deep); font-weight: 600; }

.visit__hours { border-collapse: collapse; width: 100%; max-width: 26rem; }
.visit__hours th, .visit__hours td {
  text-align: left;
  font-weight: 400;
  padding: .55rem 0;
  border-block-end: 1px solid var(--line-dark);
  color: var(--on-deep-muted);
  font-size: .95rem;
}
.visit__hours td { text-align: right; }
.visit__hours tr.is-today th, .visit__hours tr.is-today td {
  color: var(--on-deep);
  font-weight: 600;
}
.visit__open {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: none;
  color: var(--on-deep);
  background: rgba(23, 188, 206, .12);
  border: 1px solid var(--line-dark);
  border-radius: 100px;
  padding: .15rem .7rem;
}
.visit__open-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--brand-2);
}
.visit__open.is-closed .visit__open-dot { background: var(--on-deep-muted); }
.visit__cta { display: flex; flex-wrap: wrap; gap: var(--space-2); }

.visit__map { min-height: 320px; display: grid; }
.map {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border-radius: var(--radius);
  border: 1px solid var(--line-dark);
  filter: grayscale(.4) contrast(1.04);
  transition: filter .4s var(--ease);
}
.map:hover { filter: none; }

@media (min-width: 60rem) {
  .visit__grid { grid-template-columns: .9fr 1.1fr; gap: var(--space-5); }
  .visit__map, .map { min-height: 480px; }
}

/* ---------- footer ---------- */
.footer {
  background: var(--deep);
  color: var(--on-deep-muted);
  border-block-start: 1px solid var(--line-dark);
  padding-block: var(--space-5) var(--space-3);
  font-size: .92rem;
}
.footer__inner {
  display: grid;
  gap: var(--space-4);
  padding-block-end: var(--space-4);
  border-block-end: 1px solid var(--line-dark);
}
.footer__brand img { width: 104px; margin-block-end: var(--space-2); }
.footer__head {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--brand-2);
  margin-block-end: var(--space-1);
}
.footer__col p + p { margin-block-start: .35rem; }
.footer a { color: var(--on-deep); text-decoration: none; }
.footer a:hover { color: var(--brand-2); }
.footer__note { font-size: .8rem; }
.footer__legal { padding-block-start: var(--space-3); font-size: .82rem; }

@media (min-width: 48rem) {
  .footer__inner { grid-template-columns: 1.2fr 1fr 1fr; }
}

/* ---------- scroll reveals ---------- */
.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
  }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}

/* ---------- placeholder dev mode (?ph) ---------- */
[data-ph] { position: relative; }
body.show-placeholders [data-ph] {
  outline: 2px dashed #ff3b3b;
  outline-offset: 3px;
}
body.show-placeholders [data-ph]::after {
  content: "PLACEHOLDER: " attr(data-ph);
  position: absolute;
  inset-block-end: 100%;
  inset-inline-start: 0;
  font: 600 10px/1.4 ui-monospace, monospace;
  background: #ff3b3b;
  color: #fff;
  padding: 2px 6px;
  white-space: nowrap;
  z-index: 99;
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
}