:root {
  --paper: #f6f1e8;
  --paper-light: #fcfaf6;
  --ink: #2f352d;
  --muted: #6d7068;
  --line: #d9d1c3;
  --sage: #68725f;
  --sage-dark: #505a49;
  --gold: #aa8753;
  --clay: #a56f57;
  --white: #fffefa;
  --shadow: 0 22px 55px rgba(66, 58, 45, .10);
  --serif: "Libre Caslon Display", Georgia, serif;
  --sans: "DM Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea, select { font: inherit; }
button { color: inherit; }
.honeypot { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

.skip-link { position: fixed; top: -100px; left: 1rem; z-index: 100; background: var(--ink); color: white; padding: .7rem 1rem; }
.skip-link:focus { top: 1rem; }

.site-header {
  height: 92px;
  padding: 0 clamp(1.25rem, 5vw, 5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(121, 110, 92, .22);
  background: rgba(246, 241, 232, .94);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
}

.brand { display: inline-flex; align-items: center; gap: .75rem; color: var(--ink); text-decoration: none; }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; }
.brand-mark svg { width: 28px; fill: none; stroke: var(--gold); stroke-width: 1.25; }
.brand strong { display: block; font: 400 1.25rem/1 var(--serif); letter-spacing: .01em; }
.brand small { display: block; margin-top: .3rem; color: var(--muted); font-size: .58rem; letter-spacing: .26em; text-transform: uppercase; }

.quiet-button { border: 0; background: none; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem; color: var(--muted); font-size: .85rem; }
.quiet-button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; }

.hero {
  min-height: calc(100vh - 92px);
  padding: clamp(4rem, 10vh, 8rem) clamp(1.25rem, 8vw, 8rem) 5rem;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(170, 135, 83, .22);
  border-radius: 50%;
  right: -310px;
  top: -150px;
  box-shadow: 0 0 0 80px rgba(170, 135, 83, .035), 0 0 0 160px rgba(170, 135, 83, .025);
  pointer-events: none;
}
.eyebrow, .step-eyebrow { color: var(--gold); font-size: .69rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .75rem; margin-bottom: 2.3rem; }
.eyebrow span { display: inline-block; width: 42px; height: 1px; background: var(--gold); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: clamp(3rem, 8vw, 9rem); align-items: end; max-width: 1280px; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 400; line-height: 1.05; letter-spacing: -.025em; }
.hero h1 { max-width: 790px; font-size: clamp(3rem, 6.3vw, 6.4rem); }
.hero h1::first-line { color: var(--ink); }
.hero-grid > div > p { max-width: 690px; margin: 2rem 0; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.18rem); }
.hero blockquote { margin: 0 0 5rem; padding: 2rem 0 0; border-top: 1px solid var(--gold); color: #5e6259; font: 400 clamp(1.35rem, 2vw, 1.8rem)/1.45 var(--serif); }
.hero blockquote span { display: block; color: var(--gold); font-size: 3.5rem; line-height: .5; margin-bottom: 1rem; }

.primary-button, .secondary-button, .back-button {
  min-height: 52px;
  border-radius: 2px;
  padding: .9rem 1.3rem;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  font-weight: 600;
  transition: .2s ease;
}
.primary-button { background: var(--sage); color: white; }
.primary-button:hover { background: var(--sage-dark); transform: translateY(-1px); }
.primary-button svg, .secondary-button svg, .back-button svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.secondary-button { border-color: var(--line); background: transparent; }
.secondary-button:hover { border-color: var(--sage); background: rgba(104, 114, 95, .05); }
.secondary-button.small { min-height: 38px; padding: .55rem .85rem; font-size: .78rem; }
.back-button { border: 0; background: transparent; padding-left: 0; color: var(--muted); }
.back-button:hover { color: var(--ink); }
.save-note { display: flex; align-items: center; gap: .55rem; font-size: .75rem !important; margin-top: 1rem !important; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sage); box-shadow: 0 0 0 4px rgba(104,114,95,.12); }

.briefing-shell { max-width: 1440px; margin: 0 auto; min-height: calc(100vh - 92px); grid-template-columns: 300px minmax(0, 1fr); }
.briefing-shell:not([hidden]) { display: grid; }
.progress-panel { padding: 3.5rem 2.5rem; border-right: 1px solid var(--line); position: sticky; top: 92px; height: calc(100vh - 92px); }
.progress-kicker { margin: 0; color: var(--muted); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; }
.progress-count { display: flex; align-items: baseline; margin: .1rem 0 1.2rem; }
.progress-count strong { font: 400 2.25rem var(--serif); }
.progress-count span { color: #a6a194; font-size: .8rem; }
.progress-bar { height: 2px; background: var(--line); margin-bottom: 2rem; }
.progress-bar span { display: block; width: 14.28%; height: 100%; background: var(--gold); transition: width .35s ease; }
.step-list { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.step-list button { width: 100%; border: 0; background: none; padding: .65rem 0; text-align: left; color: #97968f; cursor: pointer; display: flex; gap: .75rem; align-items: center; font-size: .82rem; }
.step-list span { font-family: var(--serif); font-size: .72rem; }
.step-list li.active button, .step-list li.complete button { color: var(--ink); }
.step-list li.active button { font-weight: 600; }
.step-list li.active span { color: var(--gold); }
.step-list li.complete span::after { content: " ✓"; color: var(--sage); }
.local-note { position: absolute; bottom: 2.5rem; margin: 0; color: #9a988f; font-size: .68rem; }

.form-panel { background: var(--paper-light); padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1.25rem, 7vw, 7rem) 3rem; }
#briefing-form { max-width: 850px; margin: 0 auto; }
.form-step { display: none; animation: rise .35s ease both; }
.form-step.active { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.step-heading { margin-bottom: 2.75rem; max-width: 740px; }
.step-heading h2 { font-size: clamp(2.35rem, 5vw, 4.25rem); margin: .6rem 0 1rem; }
.step-heading > p:last-child { color: var(--muted); max-width: 680px; }

.field { display: grid; gap: .55rem; margin-bottom: 1.45rem; }
.field > span, .field legend { color: #535850; font-size: .78rem; font-weight: 600; }
.field b { color: var(--clay); }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--white);
  color: var(--ink);
  padding: .9rem 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
textarea { resize: vertical; min-height: 90px; }
input:focus, textarea:focus, select:focus { border-color: var(--sage); box-shadow: 0 0 0 3px rgba(104, 114, 95, .1); }
input::placeholder, textarea::placeholder { color: #aaa79f; }
.invalid { border-color: #a45f50 !important; box-shadow: 0 0 0 3px rgba(164, 95, 80, .1) !important; }
.field-grid { display: grid; gap: 0 1.25rem; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }

fieldset.field { border: 0; padding: 0; }
.checkbox-group { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.checkbox-group legend, .choice-grid legend, .radio-cards legend { grid-column: 1 / -1; margin-bottom: .2rem; }
.choice-grid legend small { display: block; margin-top: .25rem; color: var(--muted); font-size: .72rem; font-weight: 400; }
.checkbox-group label, .choice-grid label { display: flex; align-items: center; gap: .65rem; cursor: pointer; font-size: .85rem; }
input[type="checkbox"], input[type="radio"] { appearance: none; padding: 0; width: 18px; height: 18px; flex: 0 0 auto; border-radius: 2px; display: grid; place-items: center; }
input[type="checkbox"]:checked, input[type="radio"]:checked { border-color: var(--sage); background: var(--sage); }
input[type="checkbox"]:checked::after { content: "✓"; color: white; font-size: 12px; line-height: 1; }
input[type="radio"] { border-radius: 50%; }
input[type="radio"]:checked::after { content: ""; width: 6px; height: 6px; background: white; border-radius: 50%; }
.choice-grid { grid-template-columns: repeat(4, 1fr); gap: .6rem; }
.choice-grid label { position: relative; }
.choice-grid label span { width: 100%; border: 1px solid var(--line); background: var(--white); padding: .75rem .7rem .75rem 2.3rem; border-radius: 2px; }
.choice-grid input { position: absolute; left: .7rem; }
.choice-grid input:checked + span { border-color: var(--sage); background: rgba(104, 114, 95, .08); }
.conditional-detail { margin-top: -.2rem; padding: 1rem; border-left: 3px solid var(--gold); background: rgba(170, 135, 83, .07); }
.conditional-detail[hidden] { display: none; }
.radio-cards { grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.radio-cards label { position: relative; display: flex; cursor: pointer; }
.radio-cards input { position: absolute; top: 1.2rem; left: 1rem; z-index: 1; }
.radio-cards label > span { width: 100%; display: grid; gap: .25rem; border: 1px solid var(--line); background: var(--white); padding: 1rem 1rem 1rem 3rem; }
.radio-cards small { color: var(--muted); }
.radio-cards input:checked + span { border-color: var(--sage); background: rgba(104, 114, 95, .07); }
.service-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 1.9rem 0 2.2rem; }
.service-cards legend small { display: block; margin-top: .25rem; color: var(--muted); font-size: .72rem; font-weight: 400; }
.service-cards label > span { min-height: 132px; align-content: start; }
.room-context { margin: 1rem 0; padding: .75rem 1rem; border-left: 3px solid var(--sage); background: rgba(104, 114, 95, .07); font-weight: 600; }
.service-cards label > span b { font: 400 1.12rem/1.25 var(--serif); color: var(--ink); }
.service-cards.invalid-choice legend { color: #a45f50; }
.service-cards.invalid-choice label > span { border-color: rgba(164, 95, 80, .55); }

.dimensions-card, .budget-card { padding: 1.4rem; margin-bottom: 1.5rem; border: 1px solid var(--line); background: rgba(255, 254, 250, .6); }
.section-title-row { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.2rem; }
.section-title-row h3, .upload-section h3, .budget-card h3, .privacy-card h3 { margin: 0; font: 400 1.3rem/1.25 var(--serif); }
.section-title-row p, .upload-section > p, .budget-card p, .privacy-card p { color: var(--muted); margin: .25rem 0 0; font-size: .78rem; }
.item-rows { display: grid; gap: .7rem; }
.item-row { display: grid; grid-template-columns: 1.25fr .9fr 138px auto; gap: .6rem; align-items: center; }
.item-row input { padding: .7rem .8rem; }
.item-photo { height: 43px; min-width: 0; border: 1px dashed #b8ad9b; background: var(--white); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: .45rem; padding: .25rem .45rem; overflow: hidden; }
.item-photo:hover { border-color: var(--sage); background: rgba(104, 114, 95, .05); }
.item-photo input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.item-photo svg { width: 18px; flex: 0 0 auto; fill: none; stroke: var(--gold); stroke-width: 1.4; }
.item-photo img { width: 34px; height: 34px; flex: 0 0 auto; object-fit: cover; }
.item-photo span { color: var(--muted); font-size: .66rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.remove-item { width: 36px; height: 36px; border: 0; background: transparent; color: #a98f82; cursor: pointer; font-size: 1.3rem; }
.measurement-tip { display: flex; gap: .8rem; align-items: flex-start; margin: -.2rem 0 1.2rem; padding: .85rem 1rem; background: rgba(170, 135, 83, .08); color: var(--muted); }
.measurement-tip svg { width: 24px; flex: 0 0 auto; fill: none; stroke: var(--gold); stroke-width: 1.4; margin-top: .1rem; }
.measurement-tip p { margin: 0; font-size: .75rem; }
.measurement-tip b { color: var(--ink); }
.opening-rows { display: grid; gap: 1rem; }
.opening-row { border: 1px solid var(--line); padding: 1rem; background: var(--white); }
.opening-row-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: .8rem; }
.opening-row-heading strong { color: var(--gold); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.opening-row-heading .remove-item { width: 28px; height: 28px; }
.opening-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0 .7rem; }
.opening-grid .field { margin-bottom: .85rem; }
.opening-grid .field:nth-child(1) { grid-column: span 2; }
.opening-grid .field:nth-child(2) { grid-column: span 4; }
.opening-grid .field:nth-child(3), .opening-grid .field:nth-child(4), .opening-grid .field:nth-child(5) { grid-column: span 2; }
.opening-grid .field:nth-child(6) { grid-column: span 2; }
.opening-grid .field:nth-child(7) { grid-column: span 4; }
.opening-grid input, .opening-grid select { padding: .7rem .8rem; }
.upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; margin: 2rem 0; }
.dropzone { min-height: 160px; border: 1px dashed #b8ad9b; background: rgba(255, 254, 250, .55); display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; margin-top: 1rem; transition: .2s; }
.dropzone:hover, .dropzone.dragover { border-color: var(--sage); background: rgba(104, 114, 95, .06); }
.dropzone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.dropzone svg { width: 28px; fill: none; stroke: var(--gold); stroke-width: 1.25; margin-bottom: .5rem; }
.dropzone b { font-size: .8rem; }
.dropzone span { color: #9a978f; font-size: .66rem; }
.preview-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-top: .6rem; }
.preview-item { position: relative; aspect-ratio: 1; overflow: hidden; background: #ebe5dc; }
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-item button { position: absolute; top: 4px; right: 4px; width: 25px; height: 25px; border-radius: 50%; border: 0; background: rgba(47,53,45,.8); color: white; cursor: pointer; }
.budget-card { display: grid; grid-template-columns: 1fr minmax(230px, .65fr); align-items: center; gap: 1rem; }
.budget-card > div { display: flex; gap: .8rem; align-items: center; }
.icon-circle { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--gold); border-radius: 50%; color: var(--gold); font: 400 .8rem var(--serif); }

.form-nav { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.form-nav .primary-button { justify-self: end; }
.saved-feedback { opacity: 0; color: var(--muted); font-size: .72rem; transition: opacity .2s; }
.saved-feedback.visible { opacity: 1; }

.review-heading { text-align: center; margin-left: auto; margin-right: auto; }
.review-card { margin-bottom: 1rem; border: 1px solid var(--line); background: var(--white); }
.review-card header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.review-card h3 { margin: 0; font: 400 1.35rem var(--serif); }
.edit-link { border: 0; background: none; color: var(--sage); cursor: pointer; font-size: .76rem; text-decoration: underline; text-underline-offset: 3px; }
.review-body { padding: 1.2rem 1.25rem; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem 2rem; }
.review-entry.wide { grid-column: 1 / -1; }
.review-entry small { display: block; color: #99958b; font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; }
.review-entry p { margin: .3rem 0 0; white-space: pre-wrap; font-size: .86rem; }
.review-entry p.empty { color: #aaa79f; font-style: italic; }
.review-images { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(5, 1fr); gap: .5rem; }
.review-images img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.privacy-card { display: flex; gap: 1rem; margin-top: 1.5rem; padding: 1.2rem; background: rgba(104, 114, 95, .08); border-left: 3px solid var(--sage); }
.privacy-card svg { width: 26px; flex: 0 0 auto; fill: none; stroke: var(--sage); stroke-width: 1.5; }
.review-actions { display: flex; gap: .8rem; margin-top: 1.5rem; }
.review-actions .primary-button svg { width: 19px; }

dialog { max-width: 520px; border: 0; padding: 2.5rem; background: var(--paper-light); color: var(--ink); box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(39, 42, 36, .55); backdrop-filter: blur(3px); }
dialog h2 { font-size: 2.5rem; margin: .6rem 0 1rem; }
dialog p, dialog li { color: var(--muted); }
dialog li { margin-bottom: .5rem; }
.dialog-close { position: absolute; top: 1rem; right: 1rem; border: 0; background: none; cursor: pointer; font-size: 1.6rem; color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: 2rem; transform: translate(-50%, 20px); opacity: 0; z-index: 50; background: var(--ink); color: white; padding: .75rem 1rem; font-size: .78rem; box-shadow: var(--shadow); transition: .25s; pointer-events: none; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.primary-button:disabled { cursor: wait; opacity: .72; }
.button-spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.42); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
.success-dialog { text-align: center; }
.success-dialog .primary-button { margin: 1.4rem auto 0; }
.success-mark { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 1.2rem; border-radius: 50%; background: rgba(104,114,95,.12); color: var(--sage); font-size: 1.6rem; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .site-header { height: 76px; }
  .hero { min-height: calc(100vh - 76px); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero blockquote { margin: 0; max-width: 560px; }
  .briefing-shell { grid-template-columns: 1fr; }
  .progress-panel { position: sticky; top: 76px; height: auto; z-index: 10; padding: .8rem 1.25rem; border-right: 0; border-bottom: 1px solid var(--line); background: rgba(246,241,232,.96); backdrop-filter: blur(10px); display: grid; grid-template-columns: auto 1fr; gap: .3rem 1rem; }
  .progress-kicker, .step-list, .local-note { display: none; }
  .progress-count { margin: 0; grid-row: 1 / 3; align-self: center; }
  .progress-bar { margin: 0; align-self: center; }
  .form-panel { padding-top: 3rem; }
}

@media (max-width: 620px) {
  .site-header { padding: 0 1rem; }
  .privacy-trigger { font-size: 0; gap: 0; }
  .privacy-trigger svg { width: 21px; }
  .hero { padding: 3.5rem 1.25rem; }
  .hero h1 { font-size: 3rem; }
  .hero-grid { gap: 3.5rem; }
  .two-columns, .three-columns, .choice-grid, .radio-cards, .service-cards, .upload-grid, .budget-card, .review-body { grid-template-columns: 1fr; }
  .service-cards label > span { min-height: 0; }
  .checkbox-group { grid-template-columns: 1fr; }
  .item-row { grid-template-columns: 1fr auto; }
  .item-row input:nth-child(2) { grid-column: 1; }
  .item-row .item-photo { grid-column: 1; justify-content: flex-start; }
  .item-row .remove-item { grid-column: 2; grid-row: 1 / 4; }
  .opening-grid { grid-template-columns: 1fr; }
  .opening-grid .field:nth-child(n) { grid-column: auto; }
  .section-title-row { align-items: flex-start; }
  .review-entry.wide { grid-column: auto; }
  .review-images { grid-column: auto; grid-template-columns: repeat(3, 1fr); }
  .review-actions { flex-direction: column; }
  .form-nav { grid-template-columns: 1fr 1fr; }
  .saved-feedback { display: none; }
  dialog { max-width: calc(100% - 2rem); padding: 2rem 1.25rem; }
}

@media print {
  @page { size: A4; margin: 14mm; }
  body { background: white; font-size: 11px; }
  .site-header, .progress-panel, .form-nav, .review-actions, .privacy-card, .toast { display: none !important; }
  .briefing-shell:not([hidden]) { display: block; min-height: 0; }
  .form-panel { padding: 0; background: white; }
  .form-step { display: none !important; }
  .form-step.review-step.active { display: block !important; }
  .review-heading { text-align: left; margin-bottom: 18px; }
  .review-heading::before { content: "LAR DE FÉ  ·  ARQUITETURA"; display: block; color: var(--gold); font-size: 9px; letter-spacing: .2em; margin-bottom: 12px; }
  .review-heading h2 { font-size: 30px; }
  .review-heading p { margin: 6px 0; }
  .step-eyebrow { font-size: 8px; }
  .review-card { break-inside: avoid; margin-bottom: 8px; }
  .review-card header { padding: 7px 10px; }
  .review-card h3 { font-size: 16px; }
  .edit-link { display: none; }
  .review-body { padding: 9px 10px; gap: 8px 16px; }
  .review-entry p { font-size: 10px; margin-top: 2px; }
  .review-entry small { font-size: 7px; }
  .review-images img { max-height: 90px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}