/* ==========================================================================
   Tareen Dental
   Radius system: buttons are full pill (999px), cards and media are 14px,
   form inputs are 12px. One accent colour (--accent) is used site-wide.
   ========================================================================== */

@font-face {
  font-family: 'Figtree';
  src: url('/assets/fonts/figtree.woff2') format('woff2-variations');
  font-weight: 300 900;
  font-style: normal;
  font-display: swap;
}

/* Brand palette. Taken from the Tareen Dental identity:
   logo purple #6359AA, deep brand purple #3E337A.
   Accent is darkened to #5B4FA3 so white button text clears WCAG AA (6.79:1). */
:root {
  --paper: #faf9fc;
  --paper-2: #f1eff7;
  --surface: #ffffff;
  --ink: #1b1730;
  --ink-2: #57506e;
  --line: rgba(27, 23, 48, 0.13);
  --line-soft: rgba(27, 23, 48, 0.07);
  --deep: #2a2350;
  --deep-ink: #f4f2fa;
  --deep-ink-2: #b9b1de;
  --brand-mark: #6359aa;
  --accent: #5b4fa3;
  --accent-hover: #4e4293;
  --accent-ink: #ffffff;
  --shadow: 0 1px 2px rgba(42, 35, 80, 0.05), 0 12px 32px -12px rgba(42, 35, 80, 0.18);
  --shadow-lg: 0 2px 4px rgba(42, 35, 80, 0.06), 0 28px 60px -24px rgba(42, 35, 80, 0.3);
  --r-card: 14px;
  --r-input: 12px;
  --r-pill: 999px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --wrap: 1240px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #100e1c;
    --paper-2: #171426;
    --surface: #1c1830;
    --ink: #efedf7;
    --ink-2: #a9a2c4;
    --line: rgba(239, 237, 247, 0.15);
    --line-soft: rgba(239, 237, 247, 0.08);
    --deep: #0b0915;
    --deep-ink: #f4f2fa;
    --deep-ink-2: #a9a2c4;
    --brand-mark: #9c90e2;
    --accent: #a79ce8;
    --accent-hover: #b8afef;
    --accent-ink: #17122e;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -12px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.4), 0 28px 60px -24px rgba(0, 0, 0, 0.7);
  }
}

/* --- reset ------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: 'Figtree', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, picture, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: var(--accent-ink);
  padding: 0.75rem 1.25rem; border-radius: 0 0 var(--r-input) 0; font-weight: 600;
}
.skip:focus { left: 0; }

/* --- layout ------------------------------------------------------------ */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 1.25rem; }
@media (min-width: 768px) { .wrap { padding-inline: 2.5rem; } }

.section { padding-block: 4.5rem; }
@media (min-width: 768px) { .section { padding-block: 7rem; } }
.section--tight { padding-block: 3rem; }
@media (min-width: 768px) { .section--tight { padding-block: 4.5rem; } }
.section--tint { background: var(--paper-2); }
.section--deep { background: var(--deep); color: var(--deep-ink); }
.section--deep .lede, .section--deep p { color: var(--deep-ink-2); }

/* --- typography -------------------------------------------------------- */
h1, h2, h3, h4 { font-weight: 620; line-height: 1.08; letter-spacing: -0.028em; text-wrap: balance; }

.h-display { font-size: clamp(2.35rem, 1.35rem + 3.6vw, 4.05rem); line-height: 1.03; letter-spacing: -0.035em; }
.h-section { font-size: clamp(1.85rem, 1.2rem + 2.2vw, 2.9rem); }
.h-card    { font-size: clamp(1.2rem, 1.05rem + 0.5vw, 1.4rem); line-height: 1.2; }

.lede { font-size: clamp(1.05rem, 0.98rem + 0.34vw, 1.22rem); color: var(--ink-2); line-height: 1.62; max-width: 60ch; }
.body-max { max-width: 65ch; color: var(--ink-2); }

.eyebrow {
  font-size: 0.74rem; font-weight: 680; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--accent);
}
.section--deep .eyebrow { color: var(--deep-ink-2); }

/* --- buttons ----------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  white-space: nowrap;
  padding: 0.92rem 1.65rem;
  border-radius: var(--r-pill);
  border: 1.5px solid transparent;
  font-weight: 620; font-size: 1rem; letter-spacing: -0.01em;
  text-decoration: none; cursor: pointer;
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease),
              color 0.25s var(--ease), transform 0.12s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn--primary { background: var(--accent); color: var(--accent-ink); box-shadow: var(--shadow); }
.btn--primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-lg); }

.btn--outline { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--outline:hover { border-color: var(--ink); background: var(--surface); }

.section--deep .btn--outline { border-color: rgba(244, 242, 250, 0.34); color: var(--deep-ink); }
.section--deep .btn--outline:hover { border-color: var(--deep-ink); background: rgba(244, 242, 250, 0.09); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.8rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-weight: 620; color: var(--accent); text-decoration: none;
  border-bottom: 1.5px solid transparent; transition: border-color 0.25s var(--ease);
}
.link-arrow:hover { border-bottom-color: currentColor; }
.link-arrow svg { transition: transform 0.25s var(--ease); }
.link-arrow:hover svg { transform: translateX(3px); }

/* --- header ------------------------------------------------------------ */
.hdr {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
}
@supports not (backdrop-filter: blur(1px)) { .hdr { background: var(--paper); } }

.hdr__in { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
@media (min-width: 1024px) { .hdr__in { height: 76px; } }

.hdr__logo { display: flex; align-items: center; flex-shrink: 0; text-decoration: none; }
.hdr__logo img { height: 34px; width: auto; }
@media (min-width: 1024px) { .hdr__logo img { height: 38px; } }
.hdr__logo-txt { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.03em; }

.hdr__nav { display: none; }
@media (min-width: 1024px) {
  .hdr__nav { display: flex; align-items: center; gap: 1.6rem; margin-left: auto; }
  .hdr__nav a {
    font-size: 0.93rem; font-weight: 550; color: var(--ink-2); text-decoration: none;
    white-space: nowrap; transition: color 0.2s var(--ease);
  }
  .hdr__nav a:hover, .hdr__nav a[aria-current='page'] { color: var(--ink); }
}

.hdr__cta { display: none; }
@media (min-width: 1024px) {
  .hdr__cta { display: flex; align-items: center; gap: 0.7rem; }
  .hdr__cta .btn { padding: 0.62rem 1.25rem; font-size: 0.92rem; }
}

.hdr__phone {
  display: none; font-weight: 620; font-size: 0.95rem; text-decoration: none;
  color: var(--ink); white-space: nowrap;
}
@media (min-width: 1024px) { .hdr__phone { display: inline-flex; align-items: center; gap: 0.45rem; } }

.burger {
  margin-left: auto; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 1px solid var(--line); border-radius: var(--r-pill);
  background: transparent; cursor: pointer;
}
@media (min-width: 1024px) { .burger { display: none; } }
.burger span {
  display: block; width: 17px; height: 1.6px; background: var(--ink); border-radius: 2px;
  position: relative; transition: transform 0.28s var(--ease), background-color 0.2s;
}
.burger span::before, .burger span::after {
  content: ''; position: absolute; left: 0; width: 17px; height: 1.6px;
  background: var(--ink); border-radius: 2px; transition: transform 0.28s var(--ease);
}
.burger span::before { top: -5.5px; }
.burger span::after { top: 5.5px; }
.burger[aria-expanded='true'] span { background: transparent; }
.burger[aria-expanded='true'] span::before { transform: translateY(5.5px) rotate(45deg); }
.burger[aria-expanded='true'] span::after { transform: translateY(-5.5px) rotate(-45deg); }

.mobnav {
  display: none; border-top: 1px solid var(--line-soft); background: var(--paper);
  padding: 0.5rem 0 1.5rem;
}
.mobnav[data-open='true'] { display: block; }
@media (min-width: 1024px) { .mobnav { display: none !important; } }
.mobnav a {
  display: block; padding: 0.85rem 0; font-size: 1.08rem; font-weight: 560;
  text-decoration: none; border-bottom: 1px solid var(--line-soft);
}
.mobnav .btn-row { margin-top: 1.4rem; }
.mobnav .btn { flex: 1; }

/* --- hero -------------------------------------------------------------- */
.hero { padding-top: 3rem; padding-bottom: 3.5rem; }
@media (min-width: 768px) { .hero { padding-top: 4.5rem; padding-bottom: 5rem; } }
@media (min-width: 1024px) { .hero { padding-top: 5.5rem; padding-bottom: 6rem; } }

.hero__grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .hero__grid { grid-template-columns: 1.05fr 0.95fr; gap: 4rem; } }

.hero h1 { margin-bottom: 1.25rem; }
.hero .lede { margin-bottom: 2rem; }
.hero__media { position: relative; border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow-lg); }
.hero__media img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
@media (min-width: 900px) { .hero__media img { aspect-ratio: 5 / 6; } }

/* --- trust band -------------------------------------------------------- */
.band { border-block: 1px solid var(--line-soft); background: var(--surface); }
.band__grid { display: grid; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 860px) { .band__grid { grid-template-columns: repeat(4, 1fr); } }
.band__item { padding: 1.6rem 1.25rem; border-right: 1px solid var(--line-soft); }
.band__item:nth-child(2n) { border-right: 0; }
.band__item:nth-child(-n + 2) { border-bottom: 1px solid var(--line-soft); }
@media (min-width: 860px) {
  .band__item { border-right: 1px solid var(--line-soft); border-bottom: 0; padding: 2rem 1.6rem; }
  .band__item:last-child { border-right: 0; }
  .band__item:nth-child(2n) { border-right: 1px solid var(--line-soft); }
  .band__item:nth-child(4n) { border-right: 0; }
}
.band__k { font-weight: 640; font-size: 1.02rem; letter-spacing: -0.02em; margin-bottom: 0.2rem; }
.band__v { font-size: 0.9rem; color: var(--ink-2); line-height: 1.45; }

/* --- section headers --------------------------------------------------- */
.shead { max-width: 62ch; margin-bottom: 3rem; }
.shead .eyebrow { display: block; margin-bottom: 0.85rem; }
.shead h2 { margin-bottom: 1rem; }

/* --- services grid ----------------------------------------------------- */
.svcs { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-card); overflow: hidden; }
@media (min-width: 640px) { .svcs { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .svcs { grid-template-columns: repeat(3, 1fr); } }

.svc {
  background: var(--surface); padding: 2rem 1.75rem 2.1rem;
  display: flex; flex-direction: column; gap: 0.7rem;
  text-decoration: none; transition: background-color 0.3s var(--ease);
}
.svc:hover { background: var(--paper-2); }
.svc__cat { font-size: 0.73rem; font-weight: 660; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }
.svc__icon { color: var(--deep); margin-bottom: 0.35rem; }

.svc p { font-size: 0.97rem; color: var(--ink-2); line-height: 1.55; }

/* --- feature split ----------------------------------------------------- */
.split { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 4.5rem; } }
.split--wide-media { }
@media (min-width: 900px) { .split--wide-media { grid-template-columns: 1.15fr 0.85fr; } }
.split__media { border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow); }
.split__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.ticks { list-style: none; padding: 0; margin: 1.75rem 0 0; display: grid; gap: 0.9rem; }
.ticks li { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 1rem; color: var(--ink-2); }
.ticks svg { flex-shrink: 0; margin-top: 3px; color: var(--accent); }

/* --- values ------------------------------------------------------------ */
.values { display: grid; gap: 2.5rem; }
@media (min-width: 800px) { .values { grid-template-columns: repeat(3, 1fr); gap: 3rem; } }
.value h3 { margin-bottom: 0.6rem; }
.value p { color: var(--ink-2); font-size: 0.98rem; }
.section--deep .value p { color: var(--deep-ink-2); }
.value__rule { width: 36px; height: 2px; background: var(--accent); margin-bottom: 1.1rem; border-radius: 2px; }

/* --- gallery ----------------------------------------------------------- */
.gal { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .gal { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; } }
.gal figure { margin: 0; }
.gal__img { border-radius: var(--r-card); overflow: hidden; background: var(--paper-2); }
.gal__img img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; transition: transform 0.6s var(--ease); }
.gal figure:hover .gal__img img { transform: scale(1.035); }
.gal figcaption { padding-top: 0.85rem; }
.gal__t { font-weight: 620; font-size: 0.98rem; letter-spacing: -0.015em; }
.gal__n { font-size: 0.86rem; color: var(--ink-2); margin-top: 0.1rem; }

.gal--strip { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 900px) { .gal--strip { grid-template-columns: repeat(4, 1fr); } }

/* --- testimonials ------------------------------------------------------ */
.quotes { display: grid; gap: 2rem; }
@media (min-width: 860px) { .quotes { grid-template-columns: repeat(3, 1fr); gap: 2.5rem; } }
.quote { display: flex; flex-direction: column; gap: 1.1rem; }
.quote__stars { display: flex; gap: 2px; color: var(--accent); }
.quote blockquote { font-size: 1.05rem; line-height: 1.5; letter-spacing: -0.015em; font-weight: 500; }
.quote__by { font-size: 0.9rem; color: var(--ink-2); }
.quote__by strong { color: var(--ink); font-weight: 620; display: block; }
.section--deep .quote__by { color: var(--deep-ink-2); }
.section--deep .quote__by strong { color: var(--deep-ink); }

/* --- team -------------------------------------------------------------- */
.team { display: grid; gap: 2rem; }
@media (min-width: 800px) { .team { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; } }
.person {
  background: var(--surface); border: 1px solid var(--line-soft);
  border-radius: var(--r-card); padding: 2.25rem 2rem;
}
.person__name { font-size: 1.35rem; letter-spacing: -0.028em; margin-bottom: 0.3rem; }
.person__role { font-size: 0.87rem; font-weight: 640; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); margin-bottom: 1.1rem; }
.person p { color: var(--ink-2); font-size: 1rem; }

/* --- resources --------------------------------------------------------- */
.rgroups { display: grid; gap: 2.5rem; }
@media (min-width: 760px) { .rgroups { grid-template-columns: repeat(2, 1fr); gap: 3rem 3.5rem; } }
.rgroup h3 { font-size: 1.15rem; margin-bottom: 1.1rem; padding-bottom: 0.85rem; border-bottom: 1px solid var(--line); }
.rgroup ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.rgroup li { display: flex; gap: 0.65rem; align-items: center; color: var(--ink-2); font-size: 0.99rem; }
.rgroup svg { flex-shrink: 0; color: var(--accent); }

.notice {
  background: var(--surface); border: 1px solid var(--line-soft); border-left: 3px solid var(--accent);
  border-radius: var(--r-input); padding: 1.25rem 1.4rem; color: var(--ink-2); font-size: 0.97rem;
  max-width: 68ch;
}

/* --- contact / forms --------------------------------------------------- */
.contact-grid { display: grid; gap: 3rem; }
@media (min-width: 940px) { .contact-grid { grid-template-columns: 0.85fr 1.15fr; gap: 4.5rem; } }

.info-list { display: grid; gap: 1.75rem; }
.info__k { font-size: 0.75rem; font-weight: 680; text-transform: uppercase; letter-spacing: 0.13em; color: var(--ink-2); margin-bottom: 0.45rem; }
.info__v { font-size: 1.05rem; font-weight: 550; letter-spacing: -0.015em; }
.info__v a { text-decoration: none; border-bottom: 1.5px solid var(--line); transition: border-color 0.2s; }
.info__v a:hover { border-bottom-color: var(--accent); }
.info__v span { display: block; font-weight: 450; color: var(--ink-2); font-size: 0.99rem; }

.form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.45rem; }
.field label { font-size: 0.88rem; font-weight: 620; letter-spacing: -0.005em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.82rem 0.95rem;
  background: var(--surface); color: var(--ink);
  border: 1.5px solid var(--line); border-radius: var(--r-input);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-2); opacity: 0.75; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.field textarea { min-height: 130px; resize: vertical; }
.field__help { font-size: 0.83rem; color: var(--ink-2); }
.field__err { font-size: 0.83rem; color: var(--accent); font-weight: 560; display: none; }
.field[data-invalid='true'] input,
.field[data-invalid='true'] select,
.field[data-invalid='true'] textarea { border-color: var(--accent); }
.field[data-invalid='true'] .field__err { display: block; }

.form__row { display: grid; gap: 1.25rem; }
@media (min-width: 620px) { .form__row { grid-template-columns: 1fr 1fr; } }

.form__status { display: none; padding: 1rem 1.2rem; border-radius: var(--r-input); font-size: 0.95rem; font-weight: 550; }
.form__status[data-state='ok'] { display: block; background: color-mix(in srgb, var(--deep) 10%, transparent); border: 1px solid var(--line); }
.form__status[data-state='err'] { display: block; background: color-mix(in srgb, var(--accent) 12%, transparent); border: 1px solid var(--accent); }
.btn[data-busy='true'] { opacity: 0.72; pointer-events: none; }

.map-embed { border-radius: var(--r-card); overflow: hidden; border: 1px solid var(--line); }
.map-embed iframe { display: block; width: 100%; height: 340px; border: 0; }

/* --- CTA band ---------------------------------------------------------- */
.cta__in { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 880px) { .cta__in { grid-template-columns: 1.35fr auto; gap: 3rem; } }
.cta h2 { margin-bottom: 0.8rem; }

/* --- footer ------------------------------------------------------------ */
.ftr { background: var(--deep); color: var(--deep-ink); padding-block: 4rem 2rem; }
.ftr__grid { display: grid; gap: 2.5rem; }
@media (min-width: 760px) { .ftr__grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 3rem; } }
@media (min-width: 1040px) { .ftr__grid { grid-template-columns: 1.6fr 1fr 1fr 1.1fr; } }
.ftr__logo img { height: 38px; width: auto; margin-bottom: 1.25rem; }
.ftr__blurb { color: var(--deep-ink-2); font-size: 0.96rem; max-width: 34ch; }
.ftr h3 { font-size: 0.76rem; font-weight: 680; text-transform: uppercase; letter-spacing: 0.13em; color: var(--deep-ink-2); margin-bottom: 1.1rem; }
.ftr ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.ftr a { color: var(--deep-ink); text-decoration: none; font-size: 0.96rem; opacity: 0.88; transition: opacity 0.2s; }
.ftr a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }
.ftr__hours { display: grid; gap: 0.45rem; font-size: 0.94rem; color: var(--deep-ink-2); }
.ftr__hours span { display: block; color: var(--deep-ink); }
.ftr__base {
  margin-top: 3rem; padding-top: 1.75rem; border-top: 1px solid rgba(244, 242, 250, 0.17);
  display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; justify-content: space-between;
  font-size: 0.87rem; color: var(--deep-ink-2);
}

/* --- sticky mobile action bar ------------------------------------------ */
.dock {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem;
  padding: 0.6rem 0.9rem calc(0.6rem + env(safe-area-inset-bottom));
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
@media (min-width: 1024px) { .dock { display: none; } }
.dock .btn { width: 100%; padding: 0.82rem 1rem; font-size: 0.96rem; }
body { padding-bottom: 76px; }
@media (min-width: 1024px) { body { padding-bottom: 0; } }

/* --- scroll reveal (MOTION_INTENSITY 4) -------------------------------- */
[data-reveal] { opacity: 0; transform: translateY(18px); }
[data-reveal].is-in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .gal figure:hover .gal__img img { transform: none; }
  .btn:active { transform: none; }
}
.no-js [data-reveal] { opacity: 1; transform: none; }

/* --- utilities --------------------------------------------------------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.stack-sm > * + * { margin-top: 0.75rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }