/* facts strip under the hero */
.facts { border-bottom: 1px solid var(--line); background: var(--paper); }
.facts__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.facts__item { padding: 22px 0 24px; border-top: 1px solid var(--line); display: grid; gap: 4px; padding-right: 16px; }
.facts__item strong { font-size: var(--step-3); font-variation-settings: "wdth" 118; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.facts__item strong small { font-size: 0.45em; font-weight: 700; margin-left: 2px; }
.facts__demo { grid-column: 1 / -1; padding: 14px 0; border-top: 1px solid var(--line); font-size: 0.86rem; color: var(--muted); display: flex; gap: 10px; align-items: center; }
.facts__demo svg { width: 16px; height: 16px; flex-shrink: 0; }
@media (min-width: 900px) {
  .facts__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .facts__item { border-top: 0; border-left: 1px solid var(--line); padding-left: 20px; }
  .facts__item:first-child { border-left: 0; padding-left: 0; }
}

/* explore intro */
.explore-intro { padding-bottom: 28px; }
.how { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 4px; font-size: 0.9rem; color: var(--ink-2); }
.how span { display: inline-flex; align-items: center; gap: 8px; }
.how svg { width: 18px; height: 18px; color: var(--forest); }

/* models */
.models-grid { display: grid; gap: 20px; }
.model-card { display: grid; background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.model-card__img { position: relative; aspect-ratio: 16 / 10; background: var(--paper-2); overflow: hidden; max-width: 100%; }
.model-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--ease); }
.model-card:hover .model-card__img img { transform: scale(1.035); }
.model-card__tag { position: absolute; left: 12px; top: 12px; background: var(--white); border-radius: 3px; padding: 4px 8px; font-size: 0.72rem; font-weight: 600; font-variation-settings: "wdth" 85; }
.model-card__body { padding: 20px; display: grid; gap: 14px; align-content: start; }
.model-card__name { font-size: var(--step-2); font-variation-settings: "wdth" 122; font-weight: 800; line-height: 1; }
.model-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 0; }
.model-stats div { padding: 10px 0; border-left: 1px solid var(--line); padding-left: 12px; }
.model-stats div:first-child { border-left: 0; padding-left: 0; }
.model-stats dt { font-size: 0.72rem; color: var(--muted); }
.model-stats dd { margin: 0; font-weight: 700; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.model-feats { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; font-size: 0.92rem; color: var(--ink-2); }
.model-feats li { display: flex; gap: 10px; }
.model-feats li::before { content: ""; width: 10px; height: 1px; margin-top: 0.78em; background: var(--forest); flex-shrink: 0; }
.model-card__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.model-card--featured .model-card__plan { border-top: 1px solid var(--line); padding: 16px 20px 20px; display: grid; gap: 8px; }
.plan-svg { width: 100%; height: auto; display: block; }
.plan-svg rect.room { fill: var(--paper); stroke: var(--graphite); stroke-width: 0.06; }
.plan-svg rect.outer { fill: none; stroke: var(--graphite); stroke-width: 0.3; }
.plan-svg text { font-family: var(--font); fill: var(--ink-2); font-size: 0.34px; font-variation-settings: "wdth" 85; }
.plan-svg text.area { fill: var(--muted); font-size: 0.28px; }
@media (min-width: 1000px) {
  .models-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-card--featured { grid-column: 1 / -1; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .model-card--featured .model-card__img { grid-column: 1 / -1; aspect-ratio: 21 / 8; }
  .model-card--featured .model-card__body { padding: 28px; }
  .model-card--featured .model-card__plan { border-top: 0; border-left: 1px solid var(--line); padding: 28px; align-content: center; }
}

/* process */
.process { background: var(--paper-2); }
.steps-wrap { position: relative; }
.steps { list-style: none; margin: 0; padding: 0; position: relative; display: grid; }
.steps__line { position: absolute; left: 21px; top: 22px; bottom: 22px; width: 2px; background: rgba(43, 45, 47, 0.12); }
.steps__line span { position: absolute; inset: 0; background: var(--forest); transform-origin: 50% 0; transform: scaleY(0); }
.step { position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 18px; padding: 18px 0 28px; }
.step__num {
  width: 44px; height: 44px; border-radius: 50%; background: var(--paper-2); border: 2px solid var(--line-strong);
  display: grid; place-items: center; font-weight: 800; font-variation-settings: "wdth" 110; font-size: 0.92rem; position: relative; z-index: 1;
  transition: background-color 0.4s var(--ease), color 0.4s, border-color 0.4s;
}
.step.is-on .step__num { background: var(--forest); color: var(--forest-ink); border-color: var(--forest); }
.step__body { display: grid; gap: 8px; grid-template-columns: minmax(0, 1fr); }
.step__title { font-size: var(--step-2); font-variation-settings: "wdth" 118; font-weight: 800; text-transform: uppercase; line-height: 1; }
.step__short { font-weight: 650; }
.step__text { color: var(--ink-2); max-width: 60ch; }
.step__time { font-size: 0.82rem; color: var(--muted); }
.step__art { width: 100%; max-width: 280px; height: auto; color: var(--graphite); margin-top: 6px; }
.step__art path, .step__art rect, .step__art line, .step__art circle, .step__art polyline { fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.step__art .accent { stroke: var(--forest); stroke-width: 2; }
@media (min-width: 900px) {
  .step__body { grid-template-columns: minmax(0, 1.1fr) minmax(220px, 0.7fr); column-gap: 40px; align-items: start; }
  .step__art { grid-column: 2; grid-row: 1 / span 4; margin-top: 0; }
}

/* why */
.why-grid { display: grid; gap: 40px; }
.benefits { display: grid; gap: 0; border-top: 1px solid var(--line); }
.benefit { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; gap: 6px; }
.benefit h3 { font-size: 1.12rem; font-variation-settings: "wdth" 110; font-weight: 750; }
.benefit p { color: var(--ink-2); }
@media (min-width: 900px) { .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 64px; } }

/* demo projects */
.projects-grid { display: grid; gap: 20px; }
.project { display: grid; gap: 12px; }
.project__img { aspect-ratio: 4 / 3; overflow: hidden; border-radius: 4px; background: var(--paper-2); position: relative; max-width: 100%; }
.project__img img { width: 100%; height: 100%; object-fit: cover; }
.project__flag { position: absolute; left: 10px; bottom: 10px; background: rgba(27, 29, 30, 0.82); color: var(--paper); font-size: 0.72rem; padding: 4px 8px; border-radius: 3px; font-variation-settings: "wdth" 88; }
.project h3 { font-size: 1.1rem; font-variation-settings: "wdth" 110; font-weight: 750; }
.project p { color: var(--ink-2); font-size: 0.94rem; }
@media (min-width: 760px) { .projects-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* estimator */
.estimate { background: var(--white); border-top: 1px solid var(--line); }
.est-grid { display: grid; gap: 28px; }
.est-form { display: grid; gap: 26px; }
.field-group { border: 0; margin: 0; padding: 0; display: grid; gap: 10px; min-width: 0; }
.field-group legend { padding: 0; margin-bottom: 10px; font-weight: 700; font-variation-settings: "wdth" 108; }
.radio-cards { display: grid; gap: 8px; }
.radio-card { position: relative; display: grid; gap: 2px; padding: 12px 14px 12px 44px; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--white); cursor: pointer; transition: border-color 0.2s, box-shadow 0.2s; }
.radio-card input { position: absolute; left: 14px; top: 14px; width: 18px; height: 18px; accent-color: var(--forest); margin: 0; }
.radio-card strong { font-size: 0.95rem; }
.radio-card span { font-size: 0.84rem; color: var(--muted); }
.radio-card:has(input:checked) { border-color: var(--forest); box-shadow: 0 0 0 1.5px var(--forest); }
.radio-card:has(input:focus-visible) { outline: 2px solid var(--forest); outline-offset: 2px; }
@media (min-width: 640px) { .radio-cards--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.range-row { display: grid; gap: 10px; }
.range-row output { font-size: var(--step-2); font-weight: 800; font-variation-settings: "wdth" 118; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--forest); height: 32px; }
.range-scale { display: flex; justify-content: space-between; font-size: 0.78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.checks { display: grid; gap: 8px; }
@media (min-width: 640px) { .checks { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.check { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 6px; cursor: pointer; font-size: 0.92rem; }
.check input { width: 18px; height: 18px; accent-color: var(--forest); margin: 0; flex-shrink: 0; }
.check em { margin-left: auto; font-style: normal; font-size: 0.8rem; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.check:has(input:checked) { border-color: var(--forest); background: rgba(31, 59, 45, 0.05); }
.est-result { background: var(--graphite); color: var(--on-dark); border-radius: 8px; padding: 24px; display: grid; gap: 18px; align-content: start; }
.est-flag { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; font-variation-settings: "wdth" 85; color: #E8C27F; border: 1px solid rgba(232, 194, 127, 0.5); padding: 6px 10px; border-radius: 3px; justify-self: start; }
.est-range { font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.7rem); font-weight: 800; font-variation-settings: "wdth" 116; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.est-range small { display: block; margin-top: 8px; font-size: 0.95rem; font-weight: 500; color: var(--on-dark-muted); letter-spacing: 0; font-variation-settings: "wdth" 100; }
.breakdown { display: grid; gap: 10px; }
.bd-row { display: grid; gap: 4px; }
.bd-row__top { display: flex; justify-content: space-between; gap: 10px; font-size: 0.84rem; color: var(--on-dark-muted); }
.bd-row__top b { color: var(--on-dark); font-weight: 600; font-variant-numeric: tabular-nums; }
.bd-bar { height: 6px; background: rgba(236, 234, 228, 0.1); border-radius: 3px; overflow: hidden; }
.bd-bar span { display: block; height: 100%; background: #A9D9B6; border-radius: 3px; transform-origin: 0 50%; transition: transform 0.6s var(--ease); }
.est-explain { font-size: 0.86rem; color: var(--on-dark-muted); line-height: 1.5; }
@media (min-width: 1000px) {
  .est-grid { grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr); gap: 48px; align-items: start; }
  .est-result { position: sticky; top: calc(var(--nav-h) + 24px); }
}

/* faq */
.faq-list { border-top: 1px solid var(--line); max-width: 920px; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 18px; align-items: center;
  padding: 20px 0; font-size: var(--step-1); font-weight: 650; font-variation-settings: "wdth" 104;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: ""; width: 14px; height: 14px; flex-shrink: 0; background: linear-gradient(currentColor, currentColor) center / 14px 1.5px no-repeat, linear-gradient(currentColor, currentColor) center / 1.5px 14px no-repeat; transition: transform 0.35s var(--ease); }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 0 22px; color: var(--ink-2); max-width: 68ch; }

/* contact */
.contact { background: var(--forest); color: var(--forest-ink); }
.contact .lead { color: rgba(233, 240, 234, 0.78); }
.contact-grid { display: grid; gap: 36px; }
.contact-info { display: grid; gap: 22px; align-content: start; min-width: 0; }
.contact-info .h-section { font-size: clamp(2.05rem, 1.1rem + 2.6vw, 3.7rem); }
.contact-line { display: grid; gap: 4px; padding-top: 16px; border-top: 1px solid rgba(233, 240, 234, 0.2); }
.contact-line .label { color: rgba(233, 240, 234, 0.6); }
.contact-line strong { font-size: 1.15rem; font-variation-settings: "wdth" 104; }
.contact-line p { font-size: 0.86rem; color: rgba(233, 240, 234, 0.65); }
.form { background: var(--paper); color: var(--ink); border-radius: 8px; padding: 22px; display: grid; gap: 16px; }
.form-row { display: grid; gap: 16px; }
@media (min-width: 640px) { .form-row--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.field { display: grid; gap: 6px; min-width: 0; }
.field label { font-size: 0.86rem; font-weight: 650; }
.field label span { font-weight: 400; color: var(--muted); }
.field input:not([type="checkbox"]), .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 10px 12px; border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--white); font-size: 1rem;
}
.field textarea { min-height: 120px; resize: vertical; line-height: 1.45; }
.field input:not([type="checkbox"]):focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--forest); outline-offset: 0; border-color: var(--forest); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.field__error { font-size: 0.82rem; color: var(--danger); min-height: 0; }
.form__foot { display: grid; gap: 12px; }
.form__note { font-size: 0.8rem; color: var(--muted); }
.form-success { background: var(--paper); color: var(--ink); border-radius: 8px; padding: 26px; display: grid; gap: 14px; }
.form-success h3 { font-size: var(--step-2); font-variation-settings: "wdth" 116; font-weight: 800; }
.form-success pre { white-space: pre-wrap; font-family: var(--font); font-size: 0.86rem; background: var(--white); border: 1px solid var(--line); border-radius: 6px; padding: 12px; margin: 0; max-height: 240px; overflow: auto; }
@media (min-width: 1000px) { .contact-grid { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 64px; } }

/* model modal plan */
.model-modal__grid { display: grid; gap: 16px; }
@media (min-width: 700px) { .model-modal__grid { grid-template-columns: 1fr 1fr; } }