/* ==========================================================================
   Armitage Solutions — feuille de style principale
   Palette froide : nuit / bleu électrique / cyan. Thème sombre assumé.
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  --bg:          #05070e;
  --bg-2:        #080c17;
  --surface:     #0b1120;
  --surface-2:   #0f1729;
  --surface-3:   #131d33;
  --line:        #1b2540;
  --line-soft:   rgba(126, 160, 214, .12);
  --line-strong: rgba(126, 160, 214, .28);

  --txt:    #e9eefb;
  --txt-2:  #a2b4d0;
  --txt-3:  #6d7f9e;

  --accent:      #3b7dff;
  --accent-soft: #1e3a75;
  --accent-glow: rgba(59, 125, 255, .32);
  --cyan:        #22d3ee;

  --risk-low:      #4d9be0;
  --risk-medium:   #e8b23c;
  --risk-high:     #f4783c;
  --risk-critical: #ff4d64;

  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-display: "IBM Plex Sans Condensed", "IBM Plex Sans", -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --maxw: 1180px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 14px;
  --radius-sm: 8px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  color-scheme: dark;
}

/* ---------- 2. Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--txt-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Trame « sprawl » : grille technique très discrète, estompée vers le bas */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
          mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 0%, transparent 78%);
  opacity: .55;
}
body > * { position: relative; z-index: 1; }

h1, h2, h3, h4 {
  color: var(--txt);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0 0 .6em;
  text-wrap: balance;
}
h1, h2 { font-family: var(--font-display); font-weight: 600; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); letter-spacing: -.018em; line-height: 1.1; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); letter-spacing: -.015em; }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--txt); text-decoration: none; }
a:hover { color: #fff; }

ul, ol { margin: 0 0 1.1em; padding-left: 1.2em; }
li { margin-bottom: .4em; }

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

code, .mono { font-family: var(--font-mono); font-size: .875em; }

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

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff;
  padding: .7rem 1.1rem; border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100; font-weight: 600;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 3. Layout ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section { padding-block: clamp(2.75rem, 5.5vw, 4.25rem); }
.section--tight { padding-block: clamp(2.25rem, 4vw, 3rem); }
.section--alt { background: linear-gradient(180deg, transparent, var(--bg-2) 12%, var(--bg-2) 88%, transparent); }
.section + .section { border-top: 1px solid rgba(126, 160, 214, .07); }
.page-header + .section { padding-top: clamp(1.5rem, 3vw, 2.5rem); }

.section-head { max-width: 62ch; margin-bottom: clamp(2.5rem, 5vw, 3.5rem); }
.section-head p { font-size: 1.0625rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1rem;
  flex-wrap: wrap;
  row-gap: .35rem;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan));
}

.lead { font-size: clamp(1.05rem, 1.9vw, 1.2rem); color: var(--txt-2); }

.grid { display: grid; gap: 1.25rem; align-items: start; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); }

/* ---------- 4. Header / navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 7, 14, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  background: rgba(5, 7, 14, .93);
}
.site-header .wrap {
  display: flex; align-items: center; gap: 1.5rem;
  min-height: 72px;
}

.brand { display: flex; align-items: center; gap: .65rem; margin-right: auto; flex-shrink: 0; }
.brand__mark { width: 30px; height: 30px; flex-shrink: 0; }
.brand__name {
  font-weight: 650; font-size: 1.0625rem; color: var(--txt);
  letter-spacing: -.02em; white-space: nowrap;
}
.brand__name span { color: var(--txt-3); font-weight: 400; }

.nav { display: flex; align-items: center; gap: .25rem; }
.nav a {
  color: var(--txt-2);
  font-size: .9375rem;
  padding: .5rem .8rem;
  border-radius: var(--radius-sm);
  transition: color .18s var(--ease), background .18s var(--ease);
}
.nav a:hover { color: var(--txt); background: rgba(126, 160, 214, .07); }
.nav a[aria-current="page"] { color: var(--txt); }
.nav a[aria-current="page"]::after {
  content: ""; display: block; height: 1px; margin-top: 3px;
  background: linear-gradient(90deg, var(--accent), var(--cyan));
}

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--txt); padding: .5rem;
  cursor: pointer; line-height: 0;
}
.nav-toggle:hover { border-color: var(--line-strong); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; inset: 72px 0 auto;
    flex-direction: column; align-items: stretch;
    gap: 0;
    padding: .5rem var(--pad) 1.25rem;
    background: rgba(5, 7, 14, .98);
    border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: .8rem .25rem; border-bottom: 1px solid rgba(126, 160, 214, .07); border-radius: 0; }
  .nav .btn { margin-top: .9rem; justify-content: center; border-bottom: 0; }
}

/* ---------- 5. Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: inherit; font-size: .9375rem; font-weight: 550;
  padding: .72rem 1.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .18s var(--ease), box-shadow .22s var(--ease),
              background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(180deg, #4a88ff, var(--accent));
  color: #fff;
  box-shadow: 0 1px 0 rgba(255,255,255,.16) inset, 0 6px 22px -8px var(--accent-glow);
}
.btn--primary:hover { color: #fff; box-shadow: 0 1px 0 rgba(255,255,255,.2) inset, 0 12px 30px -10px var(--accent-glow); }

.btn--ghost {
  background: rgba(126, 160, 214, .05);
  border-color: var(--line);
  color: var(--txt);
}
.btn--ghost:hover { border-color: var(--line-strong); background: rgba(126, 160, 214, .1); }

.btn--sm { padding: .5rem 1rem; font-size: .875rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

.link-arrow {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--cyan); font-size: .9375rem; font-weight: 500;
}
.link-arrow svg { transition: transform .2s var(--ease); }
.link-arrow:hover { color: var(--cyan); }
.link-arrow:hover svg { transform: translateX(3px); }

/* ---------- 7. Hero ---------- */
.hero {
  position: relative;
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; z-index: -1;
  top: -30%; left: 50%; transform: translateX(-50%);
  width: min(1100px, 130%); aspect-ratio: 1;
  background: radial-gradient(circle, rgba(59, 125, 255, .16), transparent 62%);
  pointer-events: none;
}
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
}
.hero p.lead { max-width: 52ch; margin-bottom: 2rem; }
.hero__visual { max-width: 520px; margin-inline: auto; }
.hero .btn-row { margin-bottom: 2.2rem; }

.hero__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.4rem 1.75rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.hero__meta dt {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--txt-3); margin-bottom: .3rem;
}
.hero__meta dd { margin: 0; color: var(--txt); font-size: .9375rem; font-weight: 500; }

.page-header {
  padding-block: clamp(2.25rem, 5vw, 3.5rem) clamp(1.25rem, 2.5vw, 2rem);
  position: relative;
}
.page-header::after {
  content: "";
  position: absolute; z-index: -1; top: -40%; left: 20%;
  width: 700px; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(59, 125, 255, .12), transparent 62%);
}
.page-header h1 { max-width: 880px; }
.page-header p { max-width: 62ch; }

/* ---------- 8. Visuel réseau (SVG) ---------- */
.netviz { width: 100%; height: auto; }
.netviz .edge { stroke: rgba(126, 160, 214, .3); stroke-width: 1; fill: none; }
.netviz .edge--hot { stroke: rgba(59, 125, 255, .7); stroke-width: 1.4; }
.netviz .node { fill: var(--surface-3); stroke: var(--line-strong); stroke-width: 1; }
.netviz .node--watch { fill: #0d2140; stroke: var(--accent); }
.netviz .node--hit { fill: #2a1020; stroke: var(--risk-critical); }
.netviz .label {
  font-family: var(--font-mono); font-size: 10px;
  fill: var(--txt-3); letter-spacing: .04em;
}
.netviz .label--hot { fill: var(--txt-2); }
.netviz .pulse { transform-box: fill-box; transform-origin: center; animation: pulse 3.2s var(--ease) infinite; }
.netviz .pulse--b { animation-delay: 1.1s; }
.netviz .pulse--c { animation-delay: 2.2s; }
.netviz .sweep { animation: sweep 7s linear infinite; }
@keyframes pulse {
  0%, 100% { opacity: .25; transform: scale(1); }
  50%      { opacity: .9;  transform: scale(1.35); }
}
@keyframes sweep {
  0%   { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -260; }
}
@media (prefers-reduced-motion: reduce) {
  .netviz .pulse, .netviz .sweep { animation: none; }
}

/* ---------- 9. Piliers ---------- */
.pillar {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(2.25rem, 4vw, 3rem);
  align-items: start;
}
.pillar + .pillar { border-top: 1px solid var(--line); }
@media (max-width: 820px) { .pillar { grid-template-columns: 1fr; gap: 1.25rem; } }
.pillar__num {
  display: flex; flex-direction: column; align-items: flex-start; gap: .55rem;
  font-family: var(--font-mono); font-size: .78rem; letter-spacing: .16em;
  color: var(--accent); margin-bottom: .7rem;
}
.pillar h3 { font-family: var(--font-display); font-size: clamp(1.45rem, 2.8vw, 1.9rem); letter-spacing: -.012em; }
.pillar__claim {
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  color: var(--txt);
  font-size: 1.0625rem;
  margin-top: 1.25rem;
}

.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: .55rem; }
.checklist li {
  position: relative; padding-left: 1.6rem;
  font-size: .9375rem; margin: 0;
}
.checklist li::before {
  content: ""; position: absolute; left: 0; top: .62em;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--accent-soft); border: 1px solid var(--accent);
}

/* ---------- 10. Risk score ---------- */
.risk-panel {
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 3vw, 2rem);
}
.risk-bands { display: grid; align-content: start; gap: .6rem; margin: 0; padding: 0; list-style: none; }
.risk-band {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  align-items: center; gap: .9rem;
  padding: .7rem .9rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(126, 160, 214, .03);
  margin: 0;
}
.risk-band__label {
  font-family: var(--font-mono); font-size: .74rem; font-weight: 600;
  letter-spacing: .12em; color: var(--c);
}
.risk-band__bar { height: 4px; border-radius: 2px; background: rgba(126, 160, 214, .1); overflow: hidden; }
.risk-band__bar i { display: block; height: 100%; width: var(--w); background: var(--c); border-radius: 2px; }
.risk-band__range { font-family: var(--font-mono); font-size: .74rem; color: var(--txt-3); }
.risk-band__desc { font-size: .875rem; grid-column: 1 / -1; color: var(--txt-2); margin: 0; }
@media (max-width: 560px) { .risk-band { grid-template-columns: 78px 1fr auto; gap: .6rem; } }


/* Table des critères */
.crit-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.crit-table caption { text-align: left; color: var(--txt-3); font-size: .85rem; padding-bottom: .8rem; }
.crit-table th, .crit-table td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.crit-table th { color: var(--txt); font-weight: 550; font-size: .8rem; letter-spacing: .06em; text-transform: uppercase; }
.crit-table td:first-child { font-family: var(--font-mono); font-size: .82rem; color: var(--txt); white-space: nowrap; }
.crit-table .sign { font-family: var(--font-mono); font-weight: 600; white-space: nowrap; }
.crit-table .sign--up { color: var(--risk-high); }
.crit-table .sign--down { color: var(--risk-low); }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ---------- 12. Roadmap ---------- */
.timeline { display: grid; gap: 1.25rem; }
.tl-item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  padding: clamp(1.4rem, 3vw, 2rem);
}
.tl-item--now { border-color: rgba(34, 211, 238, .3); }
.tl-item__head {
  display: flex; flex-wrap: wrap; align-items: center; gap: .9rem;
  margin-bottom: 1rem;
}
.tl-item__step {
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .18em;
  color: var(--txt-3);
}
.tl-item h3 { margin: 0; font-family: var(--font-display); font-size: clamp(1.3rem, 2.5vw, 1.65rem); letter-spacing: -.01em; }
.tl-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.25rem 2rem; margin-top: 1.25rem; }
.tl-cols h4 {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--cyan); margin-bottom: .6rem;
}

.flow {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem;
  font-family: var(--font-mono); font-size: .78rem;
}
.flow span {
  border: 1px solid var(--line); border-radius: 100px;
  padding: .3rem .75rem; color: var(--txt-2);
  background: rgba(126, 160, 214, .04);
  white-space: nowrap;
}
.flow span:last-child { color: var(--cyan); border-color: rgba(34, 211, 238, .35); }
.flow--chain { gap: .55rem; font-size: .82rem; }
.flow--chain span { padding: .45rem 1rem; }
.flow em { color: var(--txt-3); font-style: normal; }

/* ---------- 13. Callout / CTA ---------- */
.callout {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(126, 160, 214, .04);
  padding: 1.15rem 1.35rem;
  font-size: .9375rem;
}
.callout strong { color: var(--txt); }
.callout--accent { border-color: rgba(59, 125, 255, .3); background: rgba(59, 125, 255, .06); }


/* ---------- 14. Formulaire ---------- */
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .875rem; color: var(--txt); font-weight: 500; }
.field .hint { font-size: .8rem; color: var(--txt-3); }
.field input, .field select, .field textarea {
  font-family: inherit; font-size: .9375rem; color: var(--txt);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .7rem .85rem;
  width: 100%;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59, 125, 255, .16);
}
.field input::placeholder, .field textarea::placeholder { color: var(--txt-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.consent { display: flex; gap: .65rem; align-items: flex-start; font-size: .85rem; color: var(--txt-2); }
.consent input { width: auto; margin-top: .25rem; }

/* ---------- 15. Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-2);
  padding-block: clamp(2.5rem, 5vw, 3.5rem) 2rem;
  margin-top: clamp(3rem, 6vw, 5rem);
  font-size: .9rem;
}
.site-footer h4 {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--txt-3); margin-bottom: .9rem;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.site-footer a { color: var(--txt-2); }
.site-footer a:hover { color: var(--txt); }
.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding-top: 1.5rem; color: var(--txt-3); font-size: .82rem;
}
.footer-note { max-width: 42ch; color: var(--txt-3); font-size: .875rem; }

@media (max-width: 460px) {
  .eyebrow { font-size: .68rem; letter-spacing: .16em; }
  .btn-row { flex-direction: column; align-items: stretch; }
  .btn-row .btn { width: 100%; }
  }



/* ---------- Badges d'état ---------- */
.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .24rem .6rem; border-radius: 100px;
  border: 1px solid var(--line-strong);
  color: var(--txt-2);
  background: rgba(126, 160, 214, .06);
  white-space: nowrap;
}
.badge--now  { color: var(--cyan); border-color: rgba(34, 211, 238, .38); background: rgba(34, 211, 238, .08); }
.badge--next { color: var(--txt-3); }
.badge--dot::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; box-shadow: 0 0 0 3px rgba(34, 211, 238, .15);
}

/* ---------- Titres de section ---------- */
.section-title {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: .5rem .8rem;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.8rem);
  letter-spacing: -.01em;
  padding-bottom: .85rem;
  margin-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
  border-bottom: 1px solid var(--line);
}
.section-title .badge { align-self: center; }
.section-title + .lead { margin-top: -.75rem; }

h4 { font-size: 1rem; color: var(--txt); margin-bottom: .35rem; }

/* ---------- Bandeau de contact ---------- */
.contact-strip {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 1.25rem 2rem;
}
.contact-strip h2 { margin: 0 0 .25rem; font-size: clamp(1.25rem, 2.4vw, 1.7rem); }
.contact-strip p { margin: 0; }

/* ---------- Pied de page ---------- */
.footer-bar {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 1rem 2rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}
.footer-bar nav { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }

/* ---------- Utilitaires ---------- */
.prose { max-width: 70ch; }
.stack   { display: grid; gap: 1.25rem; align-content: start; }
.stack-s { display: grid; gap: .65rem; align-content: start; }
.stack > p, .stack-s > p { margin-bottom: 0; }
.mt-l  { margin-top: clamp(2rem, 4vw, 3rem); }
.mt-m  { margin-top: 1.5rem; }
.muted { color: var(--txt-3); }
.center { text-align: center; }

@media (prefers-reduced-motion: reduce) {
  .btn:hover { transform: none; }
}