/* Thème clair « papier » par défaut ; .theme-dark pour le hero, le bandeau et le pied de page. */
:root {
  --bg: #f3efe7;
  --bg-2: #ebe6dc;
  --surface: #faf7f1;
  --line: rgba(28, 24, 18, 0.12);
  --line-strong: rgba(28, 24, 18, 0.38);
  --text: #16130f;
  --muted: #6e685e;
  --soft: #3f3a33;
  --halo: rgba(28, 24, 18, 0.10);
  --halo-strong: rgba(28, 24, 18, 0.20);
  --em-shadow: none;
  --star-glow: transparent;
  --stage: #e4dfd4;
  --art-shadow: 0 10px 26px rgba(28, 24, 18, 0.18);
  --art-shadow-lg: 26px 34px 50px rgba(28, 24, 18, 0.28);
  --topbar-bg: rgba(243, 239, 231, 0.82);
  --logo-filter: invert(1);
  --logo-blend: multiply;
  --ok: #3f7a3c;
  --warn: #946414;
  --bad: #a8a298;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", system-ui, sans-serif;
  --radius: 4px;
  --mx: 50vw;
  --my: 30vh;
}
.theme-dark {
  --bg: #050505;
  --bg-2: #0d0d0e;
  --surface: #141416;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.35);
  --text: #f2f0eb;
  --muted: #8f8c86;
  --soft: #d8d5cf;
  --halo: rgba(255, 255, 255, 0.12);
  --halo-strong: rgba(255, 255, 255, 0.32);
  --em-shadow: 0 0 28px rgba(255, 255, 255, 0.35);
  --star-glow: rgba(255, 255, 255, 0.55);
  --topbar-bg: rgba(5, 5, 5, 0.75);
  --logo-filter: none;
  --logo-blend: screen;
  background: var(--bg);
  color: var(--text);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 15px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; margin: 0; line-height: 1.1; }
h4 { font: 600 11px/1 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin: 32px 0 12px; }
em { font-style: italic; }
h1 em, h2 em { text-shadow: var(--em-shadow); }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.logo {
  mix-blend-mode: var(--logo-blend); filter: var(--logo-filter);
  -webkit-mask-image: radial-gradient(circle, #000 62%, transparent 71%);
          mask-image: radial-gradient(circle, #000 62%, transparent 71%);
}

.star { width: 10px; height: 10px; color: var(--text); display: inline-block; vertical-align: middle; filter: drop-shadow(0 0 6px var(--star-glow)); }
.star.mid { width: 18px; height: 18px; }
.star.big { width: 36px; height: 36px; opacity: .45; }

/* --- Barre du haut : sombre au-dessus du hero, claire ensuite --- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 32px;
  padding: 10px clamp(16px, 4vw, 48px);
  background: var(--topbar-bg);
  color: var(--text);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: background .4s, color .4s, border-color .4s;
}
.topbar.theme-dark { background: var(--topbar-bg); }
.brand img { width: 52px; height: 52px; }
.nav { display: flex; gap: 28px; margin-right: auto; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.nav a { color: var(--muted); transition: color .2s; }
.nav a:hover { color: var(--text); }
.cart-btn {
  display: flex; align-items: center; gap: 10px;
  background: none; border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 8px 16px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  transition: border-color .2s, box-shadow .2s;
}
.cart-btn:hover { border-color: var(--text); box-shadow: 0 0 18px var(--halo); }
.menu-btn { display: none; }
.cart-count {
  min-width: 20px; height: 20px; border-radius: 999px; display: grid; place-items: center;
  background: var(--text); color: var(--bg); font-size: 11px; font-weight: 600;
}

/* --- Boutons --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 999px; border: 1px solid var(--text);
  font-size: 13px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase;
  transition: background .25s, color .25s, box-shadow .25s;
}
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { box-shadow: 0 8px 28px var(--halo-strong); }
.btn-primary:disabled { opacity: .35; box-shadow: none; cursor: not-allowed; }
.btn-ghost { background: transparent; color: var(--text); }
.btn-ghost:hover { background: var(--text); color: var(--bg); box-shadow: 0 0 32px var(--halo-strong); }
.btn-block { width: 100%; }
.icon-btn { background: none; border: 0; font-size: 18px; color: var(--muted); }

/* --- Hero (sombre) --- */
.hero {
  position: relative; overflow: hidden; clip-path: inset(0);
  min-height: calc(100vh - 73px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 48px 16px 80px; gap: 24px;
}
.hero-glow {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(500px circle at var(--mx) var(--my), rgba(255,255,255,.06), transparent 60%);
}
.hero > *:not(.hero-glow) { position: relative; z-index: 1; }
.hero-logo {
  width: min(380px, 70vw);
  -webkit-mask-image: radial-gradient(circle, #000 62%, transparent 71%);
          mask-image: radial-gradient(circle, #000 62%, transparent 71%);
  animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe { 50% { filter: brightness(1.25); } }
.eyebrow {
  margin: 0; font-size: 11px; letter-spacing: .32em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 12px;
}
.hero .eyebrow { justify-content: center; }
.hero h1 { font-size: clamp(34px, 5.5vw, 64px); max-width: 16ch; }
.hero h1 em { color: #fff; }
.scroll-hint {
  position: absolute !important; bottom: 28px; left: 50%; width: 1px; height: 48px;
  background: linear-gradient(var(--text), transparent);
  animation: hint 2.4s ease-in-out infinite;
}
@keyframes hint { 0%, 100% { opacity: .2; transform: scaleY(.6); transform-origin: top; } 50% { opacity: .8; transform: scaleY(1); } }

/* --- Bandeau défilant (sombre, fait la transition) --- */
.marquee { border-top: 1px solid var(--line); overflow: hidden; padding: 18px 0; }
.marquee-track {
  display: flex; align-items: center; gap: 28px; width: max-content;
  font-family: var(--serif); font-size: 22px; font-style: italic; white-space: nowrap;
  animation: marquee 40s linear infinite;
}
.marquee-track span { color: var(--soft); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* --- Sections (claires) --- */
.section { padding: 96px clamp(16px, 4vw, 48px); max-width: 1280px; margin: 0 auto; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; margin-bottom: 40px; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
.section-head h2 { font-size: clamp(32px, 4vw, 48px); }
.section-head p { margin: 0; max-width: 42ch; }
.desc { color: var(--soft); font-size: 16px; max-width: 52ch; }

.featured { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 88px); align-items: center; }
.featured-visual {
  aspect-ratio: 1; display: grid; place-items: center;
  background: radial-gradient(circle at 50% 45%, var(--stage), transparent 70%);
}
.featured-canvas { width: 78%; transform: perspective(1200px) rotateY(-12deg) rotateX(3deg); box-shadow: var(--art-shadow-lg); transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.featured-visual:hover .featured-canvas { transform: perspective(1200px) rotateY(-4deg) rotateX(1deg); }
.featured-text h2 { font-size: clamp(38px, 4.5vw, 58px); margin: 14px 0 18px; }
.details-zoom { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0; }
.details-zoom figure { margin: 0; }
.zoom { aspect-ratio: 1; background-size: 420%; border: 1px solid var(--line); transition: background-size .6s ease; }
.zoom:hover { background-size: 520%; }
.details-zoom figcaption { margin-top: 8px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.featured-buy { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.featured-buy .price { font-size: 32px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); gap: 32px; }
.card { display: block; }
.card-frame {
  aspect-ratio: 1; background: var(--bg-2); border: 1px solid var(--line);
  padding: 22px; display: grid; place-items: center; overflow: hidden;
  transition: border-color .3s, box-shadow .4s;
}
.card-frame img { width: 100%; height: 100%; object-fit: cover; box-shadow: var(--art-shadow); transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.card:not(.card-soon):hover .card-frame { border-color: var(--line-strong); box-shadow: 0 18px 40px var(--halo); }
.card:not(.card-soon):hover img { transform: scale(1.035); }
.card-soon .card-frame { color: var(--muted); gap: 12px; align-content: center; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; border-style: dashed; background: transparent; }
.card-meta { display: flex; justify-content: space-between; align-items: baseline; padding: 14px 2px 0; gap: 12px; }
.card-meta h3 { font-size: 24px; }
.card-meta span { font-size: 13px; white-space: nowrap; }
/* Téléphone : deux œuvres par ligne pour parcourir la galerie sans trop défiler */
@media (max-width: 640px) {
  .grid { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .card-frame { padding: 10px; }
  .card-soon .card-frame { font-size: 10px; letter-spacing: .14em; gap: 8px; text-align: center; }
  .card-soon .star.big { width: 24px; height: 24px; }
  .card-meta { flex-direction: column; gap: 2px; padding-top: 10px; }
  .card-meta h3 { font-size: 19px; }
}

.artist { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(32px, 6vw, 88px); align-items: center; border-block: 1px solid var(--line); }
.artist-mark { display: grid; place-items: center; }
.artist-mark img { width: min(320px, 70%); -webkit-mask-image: radial-gradient(circle, #000 62%, transparent 71%); mask-image: radial-gradient(circle, #000 62%, transparent 71%); }
.artist h2 { font-size: clamp(38px, 4.5vw, 58px); margin: 14px 0 18px; }

.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.step { background: var(--bg); padding: 36px 28px; }
.step-n { font-family: var(--serif); font-size: 40px; }
.step h3 { font-size: 26px; margin: 12px 0 8px; }
.step p { margin: 0; }

.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding-top: 0; }
@media (max-width: 860px) { .trust { grid-template-columns: repeat(2, 1fr); } }
.trust-item { text-align: center; display: grid; justify-items: center; gap: 10px; }
.trust-item h3 { font-size: 22px; }
.trust-item p { margin: 0; max-width: 26ch; }

/* --- Page œuvre --- */
.product { max-width: 1280px; margin: 0 auto; padding: 32px clamp(16px, 4vw, 48px) 96px; }
.back { display: inline-block; color: var(--muted); font-size: 13px; letter-spacing: .08em; margin-bottom: 24px; }
.back:hover { color: var(--text); }
.product-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.viewer { position: sticky; top: 100px; }
.stage { aspect-ratio: 1; border: 1px solid var(--line); overflow: hidden; position: relative; }
.stage .mockup { width: 100%; height: 100%; object-fit: cover; }
.thumbs { display: flex; gap: 10px; margin-top: 12px; }
.thumb { width: 72px; aspect-ratio: 1; padding: 0; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); overflow: hidden; opacity: .65; transition: opacity .2s, border-color .2s; }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb:hover { opacity: 1; }
.thumb.active { opacity: 1; border-color: var(--text); }
.stage-art { background: radial-gradient(circle at 50% 40%, var(--surface), var(--stage) 75%); }
.stage-art .canvas { position: absolute; top: 9%; left: 50%; height: 82%; aspect-ratio: 1; transform: translateX(-50%); box-shadow: var(--art-shadow-lg); }
.canvas { position: relative; }
.canvas img { width: 100%; height: 100%; object-fit: cover; }
.canvas::after { /* tranche de la toile */
  content: ""; position: absolute; top: calc(var(--depth) * .6); right: calc(var(--depth) * -1);
  width: var(--depth); height: 100%;
  background: linear-gradient(90deg, #b9b6b0, #8a8782);
  transform: skewY(45deg); transform-origin: left;
}
.stage + p { margin-top: 12px; }

.details h1 { font-size: clamp(40px, 5vw, 60px); margin: 14px 0 18px; }
.sizes { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.size {
  display: grid; gap: 4px; text-align: left; padding: 14px 16px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  transition: border-color .2s, box-shadow .2s;
}
.size:hover:not(:disabled) { border-color: var(--line-strong); }
.size.active { border-color: var(--text); box-shadow: 0 6px 20px var(--halo), inset 0 0 0 1px var(--text); }
.size:disabled { opacity: .5; cursor: not-allowed; background: transparent; }
.size-cm { font-family: var(--serif); font-size: 22px; }
.size-price { font-size: 14px; }
.q { font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.q-optimal { color: var(--ok); } .q-good { color: var(--warn); } .q-low { color: var(--bad); }

.chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip { background: none; border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; font-size: 13px; transition: border-color .2s; }
.chip.active { border-color: var(--text); background: var(--surface); }

.buy { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.price { font-family: var(--serif); font-size: 40px; }
.perks { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 10px; color: var(--muted); font-size: 14px; }
.perks .star { margin-right: 10px; width: 8px; height: 8px; }

/* --- Panier --- */
.drawer { position: fixed; inset: 0; z-index: 50; pointer-events: none; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(20,18,15,.45); opacity: 0; transition: opacity .3s; }
.drawer-panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(420px, 100%);
  background: var(--surface); border-left: 1px solid var(--line);
  display: flex; flex-direction: column; transform: translateX(100%); transition: transform .4s cubic-bezier(.2,.7,.2,1);
}
.drawer.open { pointer-events: auto; }
.drawer.open .drawer-backdrop { opacity: 1; }
.drawer.open .drawer-panel { transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.drawer-head h2 { font-size: 30px; }
.drawer-body { flex: 1; overflow-y: auto; padding: 8px 24px; }
.drawer-foot { padding: 20px 24px; border-top: 1px solid var(--line); }
.total-row { display: flex; justify-content: space-between; font-size: 16px; }
.empty { display: grid; place-items: center; gap: 12px; padding: 64px 0; color: var(--muted); }
.cart-item { display: grid; grid-template-columns: 72px 1fr auto; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); align-items: start; }
.cart-item img { width: 72px; height: 72px; object-fit: cover; box-shadow: var(--art-shadow); }
.cart-item-info { display: grid; gap: 4px; }
.cart-item-info strong { font-family: var(--serif); font-size: 19px; font-weight: 500; }
.qty { display: inline-flex; align-items: center; gap: 12px; margin-top: 6px; }
.qty button { width: 26px; height: 26px; border-radius: 50%; background: none; border: 1px solid var(--line-strong); }

/* --- Pied de page (sombre) & toast --- */
.footer { text-align: center; padding: 56px 16px; font-size: 13px; }
.footer p { margin: 8px 0 0; }
.footer .logo { width: 90px; margin: 0 auto 8px; }
.legal-links a:hover { color: var(--text); }

/* --- Pages légales --- */
.legal { max-width: 780px; }
.legal h1 { font-size: clamp(36px, 5vw, 54px); margin: 24px 0 8px; }
.legal h2 { font-size: 26px; margin: 40px 0 10px; }
.legal p { color: var(--soft); max-width: 70ch; }
.legal a:not(.back) { border-bottom: 1px solid var(--line-strong); }
.legal a:not(.back):hover { border-color: var(--text); }
.legal-box { background: var(--surface); border: 1px solid var(--line); padding: 4px 20px; margin-top: 16px; font-size: 14px; }
mark.todo { background: #f3dc8a; color: #16130f; padding: 0 4px; border-radius: 2px; }

.social { color: var(--muted); letter-spacing: .08em; border-bottom: 1px solid var(--line); transition: color .2s, border-color .2s; }
.social:hover { color: var(--text); border-color: var(--text); }
.artist-text .social { display: inline-block; margin-top: 8px; font-size: 13px; }
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px); z-index: 60;
  background: var(--text); color: var(--bg); padding: 12px 22px; border-radius: 999px; font-size: 14px;
  opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none;
  box-shadow: 0 10px 30px var(--halo-strong);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* --- Mobile --- */
@media (max-width: 860px) {
  .product-grid, .featured, .artist { grid-template-columns: 1fr; }
  .viewer { position: static; }
  .nav { display: none; }
  .topbar { justify-content: space-between; gap: 10px; }
  .menu-btn {
    display: grid; place-content: center; gap: 6px; margin-left: auto;
    width: 40px; height: 40px; padding: 0; background: none;
    border: 1px solid var(--line-strong); border-radius: 999px;
  }
  .menu-btn span { width: 16px; height: 1px; background: var(--text); transition: transform .25s; }
  .topbar.menu-open .menu-btn span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .topbar.menu-open .menu-btn span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .topbar.menu-open .nav {
    display: flex; flex-direction: column; gap: 20px; margin: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    padding: 20px clamp(16px, 4vw, 48px) 28px; background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .artist-mark img { width: 200px; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track, .hero-logo, .scroll-hint { animation: none; }
}

/* --- Création sur mesure --- */
.custom-teaser {
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  padding: clamp(28px, 5vw, 56px); background: var(--surface); border: 1px solid var(--line);
}
.custom-teaser h2 { font-size: clamp(30px, 3.6vw, 44px); margin: 12px 0 10px; max-width: 20ch; }
.custom-teaser p { margin: 0; }
.section:has(.custom-teaser) { padding-top: 0; }
.teaser-art { flex: 0 0 auto; width: clamp(120px, 16vw, 180px); }
.teaser-art img { aspect-ratio: 1; object-fit: cover; box-shadow: var(--art-shadow); transform: rotate(-3deg); transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.teaser-art:hover img { transform: rotate(0) scale(1.03); }
.teaser-text { flex: 1 1 320px; }

.showcase .featured + .featured { margin-top: clamp(48px, 8vw, 96px); }
.featured.flip .featured-visual { order: 2; }
.featured.flip .featured-canvas { transform: perspective(1200px) rotateY(12deg) rotateX(3deg); }
.featured.flip .featured-visual:hover .featured-canvas { transform: perspective(1200px) rotateY(4deg) rotateX(1deg); }

.custom-hero { text-align: center; display: grid; justify-items: center; gap: 18px; padding: 96px 16px 48px; max-width: 760px; margin: 0 auto; }
.custom-hero h1 { font-size: clamp(42px, 6vw, 72px); }
.custom-hero .desc { margin: 0; }

.timeline { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.timeline li { background: var(--bg); padding: 28px 22px; }
.timeline h3 { font-size: 22px; margin: 10px 0 6px; }
.timeline p { margin: 0; font-size: 14px; }


.custom-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 24px; max-width: 880px; }
.custom-form label { display: grid; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--soft); }
.custom-form label .muted { text-transform: none; letter-spacing: 0; font-weight: 400; }
.custom-form .full { grid-column: 1 / -1; }
.custom-form input:not([type=checkbox]), .custom-form textarea, .custom-form select {
  font: 400 15px/1.5 var(--sans); letter-spacing: 0; text-transform: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 12px 14px; width: 100%;
}
.custom-form input:focus, .custom-form textarea:focus, .custom-form select:focus { outline: none; border-color: var(--text); box-shadow: 0 0 0 3px var(--halo); }
.custom-form textarea { resize: vertical; }
.custom-form .check { display: flex; align-items: center; gap: 10px; font-weight: 400; letter-spacing: 0; text-transform: none; font-size: 14px; color: var(--muted); }
.custom-form .check input { width: 16px; height: 16px; accent-color: var(--text); }

.faq { max-width: 880px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 22px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--sans); font-weight: 300; color: var(--muted); }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; max-width: 70ch; }

@media (max-width: 900px) {
  .timeline { grid-template-columns: 1fr; }
}
/* Téléphone : étapes compactes, le chiffre à gauche du texte */
@media (max-width: 640px) {
  .timeline li, .step { display: grid; grid-template-columns: 48px 1fr; column-gap: 12px; padding: 20px 16px; }
  .timeline .step-n, .step .step-n { font-size: 28px; line-height: 1; grid-row: span 2; }
  .timeline h3, .step h3 { font-size: 21px; margin: 0 0 4px; }
}
@media (max-width: 640px) {
  .custom-form { grid-template-columns: 1fr; }
}