.demo-modal { box-sizing: border-box; width: min(36rem, calc(100% - 2rem)); max-height: calc(100dvh - 2rem); padding: 0; border: 1px solid var(--anteo-border, var(--border)); border-radius: var(--radius-lg, 24px); background: var(--anteo-white, var(--white)); color: var(--anteo-ink, var(--ink)); font-family: var(--anteo-font, var(--font)); box-shadow: var(--shadow-lg); overflow-y: auto; overscroll-behavior: contain; }
.demo-modal::backdrop { background: color-mix(in srgb, var(--anteo-ink, var(--ink)) 56%, transparent); }
.demo-modal [hidden] { display: none !important; }
.demo-modal * { box-sizing: border-box; }
.demo-body { padding: 2rem; }
.demo-close { position: absolute; right: 0.5rem; top: 0.5rem; display: grid; place-items: center; width: 3rem; height: 3rem; border: 0; background: transparent; color: inherit; font-size: 1.5rem; cursor: pointer; border-radius: var(--radius-pill, 999px); }
.demo-eyebrow { margin: 0 2rem 1rem 0; font: 600 0.75rem/1.5 var(--anteo-font, var(--font)); letter-spacing: 0.1em; color: var(--anteo-ink-2, var(--ink)); }
.demo-modal h2 { margin: 0 0 1rem; font: 400 2rem/1.15 var(--anteo-font-display, var(--font)); letter-spacing: -0.025em; }
.demo-intro, .demo-success p { margin: 0 0 1.5rem; font-size: 1rem; line-height: 1.65; color: var(--anteo-ink-2, var(--ink)); }
.demo-step { margin: 0 0 1rem; padding-top: 1rem; border-top: 1px solid var(--anteo-border, var(--border)); font-size: 0.875rem; font-variant-numeric: tabular-nums; color: var(--anteo-ink-2, var(--ink)); }
.demo-modal fieldset { padding: 0; border: 0; margin: 0 0 1.5rem; min-width: 0; }
.demo-modal legend { margin-bottom: 0.75rem; font-size: 0.875rem; font-weight: 600; }
.demo-options { display: grid; gap: 0.5rem; }
.demo-options label { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; border: 1px solid var(--anteo-border, var(--border)); border-radius: var(--radius-md, 16px); cursor: pointer; font-size: 0.875rem; font-weight: 600; }
.demo-options small { display: block; margin-top: 0.25rem; font-size: 0.75rem; font-weight: 400; color: var(--anteo-ink-2, var(--ink)); }
.demo-options input { accent-color: var(--anteo-blue-deep, var(--blue)); margin: 0; }
.demo-options label:has(:checked) { background: var(--anteo-blue-wash, var(--surface)); border-color: var(--anteo-blue-deep, var(--blue)); }
.demo-field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; font-size: 0.875rem; font-weight: 600; }
.demo-field > span { font-weight: 400; }
.demo-field input, .demo-field textarea, .demo-field select { width: 100%; min-height: 3rem; padding: 0.75rem; border: 1px solid var(--anteo-border, var(--border)); border-radius: var(--radius-sm, 10px); background: var(--anteo-white, var(--white)); color: inherit; font: 400 1rem/1.5 var(--anteo-font, var(--font)); }
.demo-field textarea { resize: vertical; }
.demo-primary, .demo-back { min-height: 3rem; border-radius: var(--radius-pill, 999px); padding: 0.75rem 1.5rem; font: 600 0.9375rem/1.5 var(--anteo-font, var(--font)); cursor: pointer; }
.demo-primary { width: 100%; border: 0; background: var(--anteo-blue, var(--blue)); color: var(--anteo-white, var(--white)); }
.demo-primary:disabled { opacity: 0.65; cursor: wait; }
.demo-back { border: 1px solid var(--anteo-border, var(--border)); color: inherit; background: transparent; }
.demo-actions { display: flex; gap: 0.75rem; }
.demo-privacy { font-size: 0.75rem; line-height: 1.5; color: var(--anteo-ink-2, var(--ink)); }
.demo-modal a { text-decoration: underline; text-underline-offset: 0.25rem; }
.demo-error, .demo-field-error { color: var(--status-negative, var(--ink)); font-size: 0.875rem; line-height: 1.5; }
.demo-modal :focus-visible { outline: 2px solid var(--anteo-blue-deep, var(--blue)); outline-offset: 4px; box-shadow: none; }
.demo-options label:has(:focus-visible) { outline: 2px solid var(--anteo-blue-deep, var(--blue)); outline-offset: 4px; }
.demo-hp { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.demo-success h3 { font-size: 1.5rem; line-height: 1.3; }
@media (max-width: 580px) { .demo-body { padding: 1.5rem; } .demo-modal h2 { font-size: 1.75rem; } }

/* Desktop: introduction beside the form to keep each step in view. */
@media (min-width: 881px) {
  .demo-modal { width: min(60rem, calc(100% - 4rem)); }
  .demo-body { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); column-gap: 3rem; padding: 2rem; }
  .demo-eyebrow { grid-column: 1; grid-row: 1; align-self: start; }
  .demo-modal h2 { grid-column: 1; grid-row: 2; align-self: start; }
  .demo-intro { grid-column: 1; grid-row: 3; align-self: start; }
  .demo-body { grid-template-rows: auto auto 1fr; }
  .demo-body > form, .demo-success { grid-column: 2; grid-row: 1 / 4; min-width: 0; padding-left: 2rem; border-left: 1px solid var(--anteo-border, var(--border)); }
  .demo-step { padding-top: 0; border-top: 0; margin-right: 2rem; }
  .demo-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .demo-modal [data-step="2"] { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
  .demo-modal [data-step="2"] .demo-actions { grid-column: 1 / -1; }
  .demo-options label { align-items: flex-start; padding: 0.75rem; }
  .demo-options input { margin-top: 0.25rem; flex-shrink: 0; }
  .demo-success h3 { margin-top: 0; }
}

/* A dedicated confirmation replaces the form introduction after submission. */
.demo-modal--success { width: min(32rem, calc(100% - 2rem)); }
.demo-modal--success .demo-body { display: block; padding: 3rem 2rem 2rem; }
.demo-modal--success .demo-eyebrow,
.demo-modal--success #demo-title,
.demo-modal--success .demo-intro { display: none; }
.demo-modal--success .demo-success { padding: 0; border: 0; text-align: center; }
.demo-success__mark { display: grid; place-items: center; width: 3rem; height: 3rem; margin: 0 auto 1rem; border-radius: var(--radius-pill, 999px); color: var(--status-positive, var(--ink)); background: var(--status-positive-bg, var(--surface)); }
.demo-success__mark svg { width: 1.5rem; height: 1.5rem; }
.demo-success .demo-success__label { margin: 0 0 0.75rem; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; }
.demo-success #demo-success-title { margin: 0 0 1rem; font: 400 2rem/1.15 var(--anteo-font-display, var(--font)); letter-spacing: -0.025em; }
.demo-success__next { padding: 1rem; margin-bottom: 1.5rem; text-align: left; background: var(--anteo-surface, var(--surface)); border-radius: var(--radius-md, 16px); }
.demo-success__next strong { font-size: 0.875rem; }
.demo-success__next p { margin: 0.5rem 0 0; font-size: 0.875rem; }
.demo-primary:hover { background: var(--anteo-blue-hover, var(--blue)); }
.demo-primary:active { background: var(--anteo-blue-active, var(--blue)); }
@media (max-width: 580px) { .demo-modal--success .demo-body { padding: 3rem 1.5rem 1.5rem; } }