/* Berthelier Expertise — feuille de style principale (prefix bth) */
:root {
  --bth-wine: #3A0F1A;
  --bth-deep: #22070F;
  --bth-night: #170409;
  --bth-cream: #F3E3DC;
  --bth-cream-2: #E6CFC5;
  --bth-teal: #4F8A8B;
  --bth-teal-l: #7DB3B3;
  --bth-rose: #C99A8E;
  --bth-line: rgba(243, 227, 220, .16);
  --bth-side: 300px;
  --bth-serif: "Libre Bodoni", "Bodoni 72", Georgia, serif;
  --bth-sans: "Karla", system-ui, -apple-system, "Segoe UI", sans-serif;
  --bth-pad: clamp(1.25rem, 5vw, 5.5rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bth-deep); color: var(--bth-cream);
  font-family: var(--bth-sans); font-size: clamp(1rem, .95rem + .22vw, 1.1rem); line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--bth-serif); font-weight: 400; line-height: 1.08; margin: 0 0 .5em; }
em { font-style: italic; }
h1 em, h2 em, .bth-display em { color: var(--bth-rose); }
p { margin: 0 0 1em; }
:focus-visible { outline: 2px solid var(--bth-teal-l); outline-offset: 4px; }
.bth-sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.bth-skip { position: absolute; left: -999px; top: 10px; z-index: 300; background: var(--bth-cream); color: var(--bth-deep); padding: .6rem 1rem; }
.bth-skip:focus { left: 10px; }

/* ---------- Sidebar ---------- */
.bth-side {
  position: fixed; inset: 0 auto 0 0; width: var(--bth-side); z-index: 60;
  display: flex; flex-direction: column; gap: 1.6rem;
  padding: 2.2rem 2rem 1.6rem; overflow-y: auto;
  background: var(--bth-night); border-right: 1px solid var(--bth-line);
}
.bth-brand { display: flex; align-items: center; gap: .9rem; text-decoration: none; font-family: var(--bth-serif); font-size: 1.45rem; line-height: 1.1; }
.bth-brand em { color: var(--bth-rose); }
.bth-mono { display: inline-grid; place-items: center; flex: none; width: 2.8rem; height: 2.8rem; border: 1px solid var(--bth-teal); font-family: var(--bth-serif); font-style: italic; font-size: 1.5rem; color: var(--bth-cream); }
.bth-side__tagline { font-size: .72rem; letter-spacing: .24em; text-transform: uppercase; color: var(--bth-teal-l); margin: -.4rem 0 0; line-height: 1.7; }
.bth-nav ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--bth-line); }
.bth-nav a {
  display: block; padding: .5rem 0 .5rem 1.1rem; margin-left: -1px; text-decoration: none;
  font-family: var(--bth-serif); font-size: 1.12rem; color: rgba(243, 227, 220, .66);
  border-left: 2px solid transparent; transition: color .2s, border-color .2s, padding .2s;
}
.bth-nav a:hover, .bth-nav a.is-current { color: var(--bth-cream); border-left-color: var(--bth-teal); padding-left: 1.4rem; }
.bth-nav a.is-current { font-style: italic; }
.bth-side__contact { margin-top: auto; font-size: .9rem; color: rgba(243, 227, 220, .75); border-top: 1px solid var(--bth-line); padding-top: 1.3rem; }
.bth-side__contact p { margin-bottom: .8rem; }
.bth-side__contact a { text-decoration: none; border-bottom: 1px solid var(--bth-teal); word-break: break-word; }
.bth-side__hours { font-size: .8rem; letter-spacing: .06em; }
.bth-side__legal { font-size: .76rem; color: rgba(243, 227, 220, .5); margin: 0; }
.bth-side__legal a { text-decoration: none; }
.bth-side__legal a:hover { color: var(--bth-cream); }

.bth-topbar { display: none; }
.bth-main { margin-left: var(--bth-side); min-width: 0; }

/* ---------- Buttons: square, thin line ---------- */
.bth-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .95rem 1.6rem; font: 700 .82rem/1.2 var(--bth-sans); letter-spacing: .16em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; border-radius: 0; transition: background .25s, color .25s, border-color .25s;
}
.bth-btn--solid { background: var(--bth-cream); color: var(--bth-deep); border: 1px solid var(--bth-cream); }
.bth-btn--solid:hover { background: var(--bth-teal); border-color: var(--bth-teal); color: #fff; }
.bth-btn--line { background: transparent; color: var(--bth-cream); border: 1px solid var(--bth-teal); width: 100%; }
.bth-btn--line:hover { background: var(--bth-teal); }
.bth-link { color: var(--bth-cream); text-decoration: none; border-bottom: 1px solid var(--bth-teal); padding-bottom: .15rem; font-weight: 500; }
.bth-link:hover { color: var(--bth-teal-l); }

/* ---------- Hero ---------- */
.bth-hero { position: relative; min-height: min(100vh, 980px); display: grid; align-items: end; overflow: hidden; isolation: isolate; }
.bth-hero__media { position: absolute; inset: 0; margin: 0; z-index: -1; background: var(--bth-wine); }
.bth-hero__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.35) contrast(1.05); mix-blend-mode: luminosity; opacity: .85; }
.bth-hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(34, 7, 15, .15) 0%, rgba(34, 7, 15, .55) 50%, var(--bth-deep) 96%); }
.bth-hero__vertical {
  position: absolute; right: clamp(.8rem, 2vw, 2rem); top: 2.5rem; margin: 0;
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-size: .72rem; letter-spacing: .4em; text-transform: uppercase; color: var(--bth-teal-l);
}
.bth-hero__content { padding: 8rem var(--bth-pad) clamp(3rem, 7vw, 6rem); max-width: 1100px; }
.bth-kicker, .bth-eyebrow { font-size: .76rem; letter-spacing: .3em; text-transform: uppercase; color: var(--bth-teal-l); margin-bottom: 1.4rem; display: flex; align-items: center; gap: .9rem; }
.bth-kicker::before, .bth-eyebrow::before { content: ""; width: 2.6rem; height: 1px; background: var(--bth-teal); }
.bth-hero h1 { font-size: clamp(2.6rem, 1.2rem + 5.4vw, 6.6rem); letter-spacing: -.01em; margin-bottom: .35em; }
.bth-hero__sub { max-width: 54ch; font-size: clamp(1.05rem, 1rem + .3vw, 1.22rem); color: rgba(243, 227, 220, .82); }
.bth-hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 2rem; margin-top: 2.2rem; }

/* ---------- Marquee ---------- */
.bth-marquee { overflow: hidden; border-block: 1px solid var(--bth-line); background: var(--bth-wine); padding: 1.1rem 0; }
.bth-marquee__track { display: flex; width: max-content; animation: bth-marquee 38s linear infinite; }
.bth-marquee span { font-family: var(--bth-serif); font-style: italic; font-size: clamp(1.4rem, 1rem + 1.6vw, 2.4rem); white-space: nowrap; padding: 0 1.4rem; display: inline-flex; align-items: center; gap: 2.8rem; }
.bth-marquee span::after { content: "✦"; font-style: normal; font-size: .6em; color: var(--bth-teal); }
@keyframes bth-marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.bth-section { padding: clamp(4.5rem, 10vw, 9rem) var(--bth-pad); max-width: 1320px; }
.bth-h2 { font-size: clamp(2.2rem, 1.3rem + 3.4vw, 4.4rem); margin-bottom: clamp(2rem, 5vw, 4rem); max-width: 18ch; }
.bth-display { font-size: clamp(1.9rem, 1.1rem + 2.8vw, 3.8rem); line-height: 1.15; max-width: 24ch; margin-bottom: clamp(2.5rem, 5vw, 4rem); }

/* About */
.bth-about__cols { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(1.5rem, 4vw, 4rem); color: rgba(243, 227, 220, .82); }
.bth-dropcap::first-letter { font-family: var(--bth-serif); float: left; font-size: 4.2em; line-height: .82; padding: .06em .12em 0 0; color: var(--bth-teal-l); }
.bth-figures { display: grid; grid-template-columns: repeat(4, 1fr); margin: clamp(3rem, 6vw, 5rem) 0 0; border-top: 1px solid var(--bth-line); border-bottom: 1px solid var(--bth-line); }
.bth-figures div { padding: 1.6rem 1.2rem; border-left: 1px solid var(--bth-line); }
.bth-figures div:first-child { border-left: 0; padding-left: 0; }
.bth-figures dt { font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: rgba(243, 227, 220, .6); order: 2; }
.bth-figures dd { margin: 0 0 .4rem; font-family: var(--bth-serif); font-size: clamp(2.2rem, 1.5rem + 2.4vw, 3.6rem); line-height: 1; }
.bth-figures div { display: flex; flex-direction: column-reverse; justify-content: flex-end; }

.bth-method { margin-top: clamp(4rem, 8vw, 7rem); display: grid; grid-template-columns: minmax(200px, .8fr) 2fr; gap: clamp(1.5rem, 4vw, 4rem); }
.bth-method__title { font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.6rem); font-style: italic; position: sticky; top: 2rem; align-self: start; }
.bth-timeline { list-style: none; margin: 0; padding: 0 0 0 2.2rem; position: relative; }
.bth-timeline::before { content: ""; position: absolute; left: .45rem; top: .6rem; bottom: .6rem; width: 1px; background: linear-gradient(var(--bth-teal), var(--bth-rose)); }
.bth-timeline li { position: relative; padding-bottom: 2.4rem; }
.bth-timeline li:last-child { padding-bottom: 0; }
.bth-timeline li::before { content: ""; position: absolute; left: -2.2rem; top: .45rem; width: .95rem; height: .95rem; border-radius: 50%; background: var(--bth-deep); border: 1px solid var(--bth-teal-l); box-shadow: 0 0 0 5px var(--bth-deep); }
.bth-timeline__when { font-size: .74rem; letter-spacing: .22em; text-transform: uppercase; color: var(--bth-teal-l); }
.bth-timeline h4 { font-size: 1.5rem; margin: .3rem 0 .4rem; }
.bth-timeline p { margin: 0; color: rgba(243, 227, 220, .75); max-width: 52ch; }

/* ---------- Services: stacked sticky cards ---------- */
.bth-services { padding-bottom: clamp(3rem, 6vw, 5rem); }
.bth-stack { display: grid; gap: 1.5rem; padding-bottom: 2rem; }
.bth-scard {
  position: sticky; top: calc(1.5rem + var(--i, 0) * 1.1rem);
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: 1fr auto; gap: 1.2rem clamp(1.2rem, 3vw, 2.6rem); align-items: start;
  min-height: clamp(13rem, 24vw, 17rem);
  padding: clamp(1.6rem, 3.5vw, 3rem);
  background: var(--bth-wine); border: 1px solid rgba(243, 227, 220, .14);
  box-shadow: 0 -18px 40px rgba(10, 2, 5, .55);
}
.bth-scard:nth-child(1) { --i: 0; }
.bth-scard:nth-child(2) { --i: 1; background: #4A1623; }
.bth-scard:nth-child(3) { --i: 2; background: #1F3D3E; }
.bth-scard:nth-child(4) { --i: 3; background: var(--bth-cream); color: var(--bth-deep); }
.bth-scard:nth-child(5) { --i: 4; background: #5A1F2C; }
.bth-scard:nth-child(6) { --i: 5; background: #2C0B14; }
.bth-scard__emoji { font-size: clamp(2rem, 1.5rem + 1.6vw, 3rem); line-height: 1; width: 1.6em; height: 1.6em; display: grid; place-items: center; border: 1px solid currentColor; border-color: rgba(243, 227, 220, .3); border-radius: 50%; }
.bth-scard h3 { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.8rem); }
.bth-scard p { margin: 0; max-width: 56ch; opacity: .85; }
.bth-scard__tag { grid-column: 2; font-size: .72rem !important; letter-spacing: .18em; text-transform: uppercase; opacity: .65 !important; border-top: 1px solid currentColor; padding-top: .9rem; align-self: end; }
.bth-scard:nth-child(4) .bth-scard__emoji { border-color: rgba(34, 7, 15, .3); }

/* ---------- Why: magazine grid with duotone images ---------- */
.bth-mag { display: grid; grid-template-columns: repeat(6, 1fr); gap: clamp(2rem, 4vw, 3.5rem) clamp(1.2rem, 3vw, 2.5rem); }
.bth-mag__item { grid-column: span 2; }
.bth-mag__item--wide { grid-column: span 4; }
.bth-mag__item--half { grid-column: span 3; }
.bth-duo { position: relative; overflow: hidden; background: var(--bth-wine); margin-bottom: 1.2rem; }
.bth-duo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: grayscale(1) contrast(1.1); mix-blend-mode: screen; opacity: .9; transition: filter .5s, transform .8s; }
.bth-duo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(79, 138, 139, .35), rgba(58, 15, 26, .25)); mix-blend-mode: multiply; pointer-events: none; }
.bth-mag__item--wide .bth-duo img { aspect-ratio: 16 / 9; }
.bth-mag__item:hover .bth-duo img { filter: grayscale(0) contrast(1); transform: scale(1.03); }
.bth-mag__item h3 { font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem); }
.bth-mag__item p { color: rgba(243, 227, 220, .75); margin: 0; max-width: 58ch; }

/* ---------- Reviews: large typographic quotes ---------- */
.bth-reviews { display: grid; gap: clamp(3.5rem, 8vw, 6.5rem); }
.bth-reviews .bth-eyebrow { margin-bottom: 0; }
.bth-quote { margin: 0; max-width: 980px; position: relative; padding-top: clamp(4rem, 3rem + 3vw, 5.5rem); }
.bth-quote--right { justify-self: end; text-align: right; }
.bth-quote::before { content: "«"; position: absolute; left: -.1em; top: 0; font-family: var(--bth-serif); font-size: clamp(5rem, 3.5rem + 4vw, 8rem); line-height: .75; color: var(--bth-teal); opacity: .7; }
.bth-quote--right::before { left: auto; right: -.1em; content: "»"; }
.bth-quote blockquote { margin: 0 0 1.6rem; }
.bth-quote blockquote p { font-family: var(--bth-serif); font-size: clamp(1.45rem, 1rem + 1.9vw, 2.6rem); line-height: 1.3; margin: 0; }
.bth-quote figcaption { display: inline-flex; align-items: center; gap: 1rem; font-size: .92rem; color: rgba(243, 227, 220, .75); }
.bth-quote--right figcaption { flex-direction: row-reverse; }
.bth-quote figcaption img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; border: 1px solid var(--bth-teal); }
.bth-quote strong { color: var(--bth-cream); font-weight: 700; margin-right: .4rem; }
.bth-stars { color: var(--bth-rose); letter-spacing: .12em; }

/* ---------- Contact (cream inversion) ---------- */
.bth-contact {
  max-width: none; background: var(--bth-cream); color: var(--bth-deep);
  display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(2rem, 5vw, 5rem);
}
.bth-contact .bth-eyebrow { color: var(--bth-teal); }
.bth-contact .bth-h2 em { color: #8A2A3C; }
.bth-contact__intro > p { color: #4A2A30; max-width: 48ch; }
.bth-coords { margin: 2.2rem 0 0; border-top: 1px solid rgba(34, 7, 15, .2); }
.bth-coords div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid rgba(34, 7, 15, .2); }
.bth-coords dt { font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--bth-teal); padding-top: .2rem; }
.bth-coords dd { margin: 0; }
.bth-coords a { color: var(--bth-wine); font-weight: 700; text-decoration-color: var(--bth-teal); text-underline-offset: 3px; }

.bth-form { background: #fff; padding: clamp(1.4rem, 4vw, 3rem); border-top: 4px solid var(--bth-wine); align-self: start; }
.bth-field { display: flex; flex-direction: column; margin-bottom: 1.4rem; }
.bth-field__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
.bth-field label { font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; color: var(--bth-wine); margin-bottom: .2rem; }
.bth-opt { text-transform: none; letter-spacing: 0; font-weight: 400; color: #7a5a60; }
.bth-field input, .bth-field select, .bth-field textarea {
  font: 400 1.05rem/1.4 var(--bth-sans); color: var(--bth-deep);
  border: 0; border-bottom: 1px solid rgba(34, 7, 15, .35); border-radius: 0; background: transparent; padding: .6rem 0; width: 100%;
}
.bth-field textarea { resize: vertical; }
.bth-field input:focus, .bth-field select:focus, .bth-field textarea:focus { outline: none; border-bottom: 2px solid var(--bth-teal); }
.bth-field [aria-invalid="true"] { border-bottom: 2px solid #A3263A; }
.bth-error { color: #A3263A; font-size: .85rem; margin: .35rem 0 0; }
.bth-error:empty { display: none; }
.bth-check { display: grid; grid-template-columns: auto 1fr; gap: .8rem; font-size: .9rem; color: #4A2A30; }
.bth-check input { width: 1.15rem; height: 1.15rem; margin-top: .25rem; accent-color: var(--bth-wine); }
.bth-check a { color: var(--bth-wine); font-weight: 700; }
.bth-form__note { font-size: .82rem; color: #7a5a60; font-style: italic; margin: 1.2rem 0 1.5rem; }
.bth-form .bth-btn--solid { background: var(--bth-wine); color: var(--bth-cream); border-color: var(--bth-wine); }
.bth-form .bth-btn--solid:hover { background: var(--bth-teal); border-color: var(--bth-teal); }
.bth-success { margin-top: 1.6rem; padding: 1.2rem 1.4rem; border-left: 3px solid var(--bth-teal); background: #EEF5F4; }
.bth-success p { margin: 0; }
.bth-success__title { font-family: var(--bth-serif); font-size: 1.35rem; margin-bottom: .3rem !important; color: var(--bth-wine); }

/* ---------- Footer ---------- */
.bth-footer { padding: clamp(3rem, 6vw, 4.5rem) var(--bth-pad) 2rem; display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; border-top: 1px solid var(--bth-line); background: var(--bth-night); }
.bth-footer__brand { display: flex; gap: 1rem; align-items: flex-start; }
.bth-footer__brand p { margin: 0; color: rgba(243, 227, 220, .7); }
.bth-footer__brand strong { font-family: var(--bth-serif); font-weight: 400; font-size: 1.4rem; color: var(--bth-cream); }
.bth-footer address { font-style: normal; color: rgba(243, 227, 220, .75); font-size: .95rem; }
.bth-footer address a { text-decoration-color: var(--bth-teal); text-underline-offset: 3px; }
.bth-footer__legal { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .6rem 1.8rem; font-size: .82rem; color: rgba(243, 227, 220, .55); border-top: 1px solid var(--bth-line); padding-top: 1.4rem; margin: 0; }
.bth-footer__legal a { color: var(--bth-cream); text-decoration: none; border-bottom: 1px solid var(--bth-teal); }

/* ---------- Cookie banner: docked in the sidebar (desktop) ---------- */
.bth-cookie {
  position: fixed; left: 0; bottom: 0; width: var(--bth-side); z-index: 80;
  padding: 1.4rem 1.6rem 1.6rem; background: var(--bth-wine); border-top: 2px solid var(--bth-teal);
  font-size: .86rem; color: rgba(243, 227, 220, .85);
}
.bth-cookie[hidden] { display: none; }
.bth-cookie__title { font-family: var(--bth-serif); font-size: 1.2rem; color: var(--bth-cream); margin-bottom: .4rem; }
.bth-cookie a { color: var(--bth-cream); text-decoration-color: var(--bth-teal); }
.bth-cookie__btns { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.bth-cookie .bth-btn { padding: .75rem .6rem; font-size: .72rem; width: 100%; }

/* ---------- Reveal ---------- */
.bth-js .bth-reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease, transform .8s ease; }
.bth-js .bth-reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1279px) {
  :root { --bth-side: 260px; }
  .bth-side { padding: 1.8rem 1.5rem 1.4rem; }
}
@media (max-width: 1023px) {
  .bth-topbar {
    display: flex; position: sticky; top: 0; z-index: 70; align-items: center; justify-content: space-between;
    padding: .8rem 1.1rem; background: var(--bth-night); border-bottom: 1px solid var(--bth-line);
  }
  .bth-brand--small { font-size: 1.1rem; gap: .6rem; }
  .bth-brand--small .bth-mono { width: 2.2rem; height: 2.2rem; font-size: 1.2rem; }
  .bth-burger { display: inline-flex; align-items: center; gap: .7rem; background: none; border: 1px solid var(--bth-teal); color: var(--bth-cream); padding: .55rem .8rem; cursor: pointer; font: 700 .72rem var(--bth-sans); letter-spacing: .2em; text-transform: uppercase; }
  .bth-burger__bars { position: relative; width: 18px; height: 1px; background: currentColor; }
  .bth-burger__bars::before, .bth-burger__bars::after { content: ""; position: absolute; left: 0; width: 18px; height: 1px; background: currentColor; transition: transform .25s; }
  .bth-burger__bars::before { top: -6px; }
  .bth-burger__bars::after { top: 6px; }
  .bth-burger[aria-expanded="true"] .bth-burger__bars { background: transparent; }
  .bth-burger[aria-expanded="true"] .bth-burger__bars::before { transform: translateY(6px) rotate(45deg); }
  .bth-burger[aria-expanded="true"] .bth-burger__bars::after { transform: translateY(-6px) rotate(-45deg); }
  .bth-side { width: min(88vw, 340px); top: 0; transform: translateX(-105%); transition: transform .35s ease; visibility: hidden; box-shadow: 20px 0 60px rgba(0,0,0,.5); z-index: 90; }
  .bth-side.is-open { transform: none; visibility: visible; }
  .bth-main { margin-left: 0; }
  .bth-hero { min-height: calc(100svh - 60px); }
  .bth-cookie { width: auto; right: 0; display: grid; grid-template-columns: 1fr auto; gap: .4rem 1.5rem; align-items: center; }
  .bth-cookie[hidden] { display: none; }
  .bth-cookie__title { grid-column: 1 / -1; margin: 0; }
  .bth-cookie p { margin: 0; }
  .bth-cookie__btns { min-width: 240px; }
  .bth-contact { grid-template-columns: 1fr; }
  .bth-method { grid-template-columns: 1fr; }
  .bth-method__title { position: static; }
}
@media (max-width: 767px) {
  .bth-about__cols { grid-template-columns: 1fr; gap: 0; }
  .bth-figures { grid-template-columns: 1fr 1fr; }
  .bth-figures div:nth-child(3) { border-left: 0; padding-left: 0; }
  .bth-figures div:nth-child(n+3) { border-top: 1px solid var(--bth-line); }
  .bth-mag { grid-template-columns: 1fr; }
  .bth-mag__item, .bth-mag__item--wide, .bth-mag__item--half { grid-column: auto; }
  .bth-mag__item--wide .bth-duo img { aspect-ratio: 4 / 3; }
  .bth-scard { grid-template-columns: 1fr; top: calc(4.6rem + var(--i, 0) * .7rem); }
  .bth-scard__tag { grid-column: 1; }
  .bth-quote, .bth-quote--right { text-align: left; justify-self: start; }
  .bth-quote--right figcaption { flex-direction: row; }
  .bth-quote--right::before { left: -.1em; right: auto; }
  .bth-field__row { grid-template-columns: 1fr; gap: 0; }
  .bth-footer { grid-template-columns: 1fr; }
  .bth-cookie { grid-template-columns: 1fr; }
  .bth-cookie__btns { min-width: 0; }
  .bth-hero__vertical { display: none; }
  .bth-hero__actions .bth-btn { width: 100%; }
  .bth-coords div { grid-template-columns: 1fr; gap: .2rem; }
}
@media (min-width: 1600px) {
  :root { --bth-side: 340px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .bth-marquee__track { transform: none; }
  .bth-js .bth-reveal { opacity: 1; transform: none; }
}