/* Waterfront Homes, Design Consult Prep Quiz
   Brand spec source: phase2-planning intake-quiz spec v1.0
   Colours: Chalk bg, Charcoal text, Slate CTA, Sand accents.
   Fonts: Cormorant Garamond display, Source Serif 4 body, Source Sans 3 CTA. */

:root {
  --chalk:     #F3F3EB;
  --stone:     #EEECE8;
  --limestone: #F4F5E6;
  --sand:      #C9B99A;
  --sand-soft: #E5DCC4;
  --tan:       #AD8D6B;
  --slate:     #625C55;
  --slate-deep:#4A4640;
  --charcoal:  #2C2C2C;
  --char-soft: #5C5A57;
  --muted:     #8B857C;
  --err:       #B5483A;
  --ok:        #6B7A4E;

  --font-display: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-body:    'Source Serif 4', Georgia, serif;
  --font-ui:      'Source Sans 3', system-ui, -apple-system, sans-serif;

  --container: 760px;
  --radius:   2px;
  --shadow-card: 0 1px 0 rgba(44, 44, 44, 0.04), 0 12px 32px -24px rgba(44, 44, 44, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--chalk);
  color: var(--charcoal);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  max-width: 1080px;
  margin: 0 auto;
  border-bottom: 1px solid var(--sand-soft);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: var(--charcoal);
}
.logo img {
  height: 28px;
  width: auto;
}
.header-meta {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate);
}

/* Sticky save indicator */
.save-bar {
  position: sticky;
  top: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
  background: rgba(243, 243, 235, 0.95);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  padding: 10px 16px;
  border-bottom: 1px solid var(--sand-soft);
}
.save-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(107, 122, 78, 0.18);
}
.save-bar.is-saving .save-dot { background: var(--sand); box-shadow: 0 0 0 3px rgba(201, 185, 154, 0.25); }
.save-bar.is-error  .save-dot { background: var(--err);  box-shadow: 0 0 0 3px rgba(181, 72, 58, 0.18); }
.save-bar.is-saving .save-text::after { content: ' (saving)'; }
.save-bar.is-error  .save-text::after { content: ' (couldn\'t save)'; }

/* Hero */
.intro {
  padding: 56px 0 24px;
  text-align: left;
}
.intro .eyebrow {
  font-family: var(--font-ui);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tan);
  margin-bottom: 18px;
  display: inline-block;
}
.intro h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 5.4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.005em;
  color: var(--slate);
  margin: 0 0 18px;
}
.intro .lede {
  font-family: var(--font-body);
  color: var(--char-soft);
  font-size: 1.075rem;
  line-height: 1.65;
  max-width: 600px;
  margin: 0 0 26px;
}
.intro .lede strong {
  color: var(--charcoal);
  font-weight: 600;
}

/* Section dot row (progress) */
.progress-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 8px;
  padding-top: 18px;
  border-top: 1px solid var(--sand-soft);
}
.progress-row .progress-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
  margin-right: 6px;
}
.progress-dot {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--sand-soft);
  text-align: center;
  line-height: 26px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.progress-dot:hover { border-color: var(--slate); color: var(--slate); }
.progress-dot.is-current {
  background: var(--slate);
  color: var(--limestone);
  border-color: var(--slate);
}
.progress-dot.is-done {
  background: var(--sand);
  color: var(--charcoal);
  border-color: var(--sand);
}
.progress-dot.is-invalid {
  border-color: var(--err);
  color: var(--err);
}

/* Section card */
.section {
  display: none;
  background: #FFFFFF;
  border: 1px solid var(--sand-soft);
  border-radius: var(--radius);
  padding: 40px 44px 32px;
  margin: 18px 0 28px;
  box-shadow: var(--shadow-card);
}
.section.is-active { display: block; }

.section-head {
  border-bottom: 1px solid var(--sand-soft);
  padding-bottom: 18px;
  margin-bottom: 22px;
}
.section-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--tan);
  margin-bottom: 8px;
  display: block;
}
.section h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2rem;
  letter-spacing: -0.005em;
  color: var(--slate);
  margin: 0 0 8px;
  line-height: 1.15;
}
.section-sub {
  color: var(--char-soft);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
  max-width: 580px;
}

/* Field */
.field { margin: 22px 0 26px; }
.field-label {
  display: block;
  font-family: var(--font-body);
  font-size: 1.025rem;
  color: var(--charcoal);
  margin-bottom: 4px;
  font-weight: 600;
  line-height: 1.4;
}
.field-help {
  display: block;
  color: var(--char-soft);
  font-size: 0.92rem;
  margin-bottom: 12px;
  line-height: 1.5;
}
.field-required {
  display: inline-block;
  color: var(--tan);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}
.field-optional {
  display: inline-block;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  top: -2px;
}
.field-error {
  display: none;
  color: var(--err);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  margin-top: 8px;
}
.field.has-error .field-error { display: block; }
.field.has-error input[type="text"],
.field.has-error input[type="email"],
.field.has-error input[type="tel"],
.field.has-error textarea {
  border-color: var(--err);
  background: #FCF6F4;
}

/* Text inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--charcoal);
  background: var(--chalk);
  border: 1px solid var(--sand-soft);
  border-radius: var(--radius);
  padding: 12px 14px;
  line-height: 1.55;
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
  resize: vertical;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--slate);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(98, 92, 85, 0.12);
}
textarea { min-height: 96px; }
::placeholder { color: var(--muted); opacity: 0.8; }

/* Address group */
.address-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.address-grid .address-street { grid-column: 1 / -1; }

/* Radio cards (single-select) */
.radio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}
.radio-card {
  position: relative;
  display: block;
  cursor: pointer;
  padding: 14px 16px;
  border: 1px solid var(--sand-soft);
  background: var(--chalk);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--charcoal);
  transition: border-color 0.12s, background 0.12s, box-shadow 0.12s;
  line-height: 1.4;
}
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card:hover { border-color: var(--slate); background: #FFFFFF; }
.radio-card.is-selected {
  border-color: var(--slate);
  background: var(--limestone);
  box-shadow: inset 0 0 0 1px var(--slate);
}

/* Multi-select chips */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--sand-soft);
  background: var(--chalk);
  border-radius: 14px;
  font-family: var(--font-ui);
  font-size: 0.92rem;
  color: var(--charcoal);
  cursor: pointer;
  transition: all 0.12s ease;
  user-select: none;
  line-height: 1.35;
  text-align: left;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip:hover { border-color: var(--slate); background: #FFFFFF; }
.chip.is-selected {
  background: var(--slate);
  color: var(--limestone);
  border-color: var(--slate);
}
.chip.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.chip-cap-note {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 10px;
}
.chip-cap-note.is-reached { color: var(--tan); }

/* Style swatch tiles (Q4.4) */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}
.swatch {
  position: relative;
  display: block;
  cursor: pointer;
  border: 1px solid var(--sand-soft);
  background: #FFFFFF;
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.12s ease;
}
.swatch input { position: absolute; opacity: 0; pointer-events: none; }
.swatch-image {
  display: block;
  width: 100%;
  height: 96px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.swatch-label {
  display: block;
  padding: 10px 12px;
  font-family: var(--font-ui);
  font-size: 0.86rem;
  color: var(--charcoal);
  text-align: center;
}
.swatch:hover { border-color: var(--slate); transform: translateY(-1px); }
.swatch.is-selected {
  border-color: var(--slate);
  box-shadow: inset 0 0 0 2px var(--slate);
}
.swatch.is-selected .swatch-label { background: var(--limestone); }
.swatch.is-disabled { opacity: 0.4; cursor: not-allowed; }

/* Sliders */
.slider-group { margin: 22px 0 8px; }
.slider-row {
  margin-bottom: 22px;
}
.slider-labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 0.84rem;
  color: var(--slate);
  margin-bottom: 8px;
}
.slider-labels .left  { text-align: left; }
.slider-labels .right { text-align: right; }
.slider {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--sand-soft);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  margin: 4px 0 6px;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--slate);
  border: 3px solid var(--chalk);
  box-shadow: 0 1px 4px rgba(44, 44, 44, 0.2);
  cursor: pointer;
}
.slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--slate);
  border: 3px solid var(--chalk);
  cursor: pointer;
}
.slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 8px;
  font-family: var(--font-ui);
  font-size: 0.7rem;
  color: var(--muted);
}

/* Photo upload */
.upload-zone {
  border: 1.5px dashed var(--sand);
  border-radius: var(--radius);
  background: #FBFAF4;
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.upload-zone:hover { border-color: var(--slate); background: var(--limestone); }
.upload-zone.is-dragging { border-color: var(--slate); background: var(--limestone); }
.upload-zone-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--slate);
  margin: 0 0 6px;
}
.upload-zone-sub {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  color: var(--char-soft);
  margin: 0 0 14px;
}
.upload-button {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.9rem;
  color: var(--slate);
  background: #FFFFFF;
  border: 1px solid var(--slate);
  border-radius: var(--radius);
  padding: 8px 18px;
  cursor: pointer;
  transition: background 0.12s;
}
.upload-button:hover { background: var(--limestone); }

.thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 18px;
}
.thumb {
  background: var(--chalk);
  border: 1px solid var(--sand-soft);
  border-radius: var(--radius);
  padding: 10px;
  position: relative;
}
.thumb img,
.thumb .thumb-placeholder {
  display: block;
  width: 100%;
  height: 130px;
  object-fit: cover;
  background: var(--sand-soft);
  border-radius: var(--radius);
  margin-bottom: 8px;
}
.thumb .thumb-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.thumb-meta {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.thumb-caption {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.88rem;
  background: #FFFFFF;
  border: 1px solid var(--sand-soft);
  border-radius: var(--radius);
  padding: 8px 10px;
  resize: none;
  min-height: 50px;
}
.thumb-remove {
  position: absolute;
  top: 6px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--sand-soft);
  color: var(--charcoal);
  font-size: 14px;
  font-family: var(--font-ui);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.thumb-remove:hover { background: var(--err); color: #FFFFFF; border-color: var(--err); }

/* Conditional / hidden */
.is-hidden { display: none !important; }
.conditional-empty {
  color: var(--char-soft);
  font-style: italic;
  padding: 18px 20px;
  background: var(--chalk);
  border: 1px dashed var(--sand-soft);
  border-radius: var(--radius);
  margin: 16px 0;
}

/* Section nav */
.section-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--sand-soft);
}
.btn {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 12px 26px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.12s;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary {
  background: var(--slate);
  color: var(--limestone);
  border-color: var(--slate);
}
.btn-primary:hover { background: var(--slate-deep); border-color: var(--slate-deep); }
.btn-primary:disabled { background: var(--muted); border-color: var(--muted); cursor: not-allowed; }
.btn-secondary {
  background: transparent;
  color: var(--slate);
  border-color: var(--sand);
}
.btn-secondary:hover { background: var(--limestone); border-color: var(--slate); }
.btn-ghost {
  background: transparent;
  color: var(--char-soft);
  border: none;
  padding: 8px 12px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn-ghost:hover { color: var(--slate); }

.section-counter {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Section banner errors */
.section-error-banner {
  display: none;
  background: #F8E8E4;
  border: 1px solid var(--err);
  color: var(--err);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  padding: 12px 14px;
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.section.has-section-error .section-error-banner { display: block; }

/* Success / thank-you */
.thanks {
  text-align: center;
  padding: 60px 40px;
}
.thanks .ornament {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--sand);
  margin-bottom: 18px;
  line-height: 1;
}
.thanks h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2.4rem;
  color: var(--slate);
  margin: 0 0 14px;
}
.thanks p {
  color: var(--char-soft);
  font-size: 1.05rem;
  max-width: 540px;
  margin: 0 auto 14px;
}
.thanks .meta-line {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 28px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--sand-soft);
  padding: 28px 0 48px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 0.84rem;
  text-align: center;
  margin-top: 40px;
}
.site-footer a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid var(--sand);
}
.site-footer a:hover { color: var(--charcoal); }

/* Mobile */
@media (max-width: 720px) {
  .container { padding: 0 18px; }
  .site-header { padding: 16px 18px; }
  .header-meta { display: none; }
  .intro { padding: 36px 0 16px; }
  .section { padding: 28px 22px 22px; }
  .section h2 { font-size: 1.6rem; }
  .address-grid { grid-template-columns: 1fr; }
  .radio-grid { grid-template-columns: 1fr; }
  .swatch-grid { grid-template-columns: repeat(2, 1fr); }
  .thumbs { grid-template-columns: 1fr; }
  .progress-row { gap: 6px; }
  .progress-dot { width: 26px; height: 26px; line-height: 24px; font-size: 0.72rem; }
  .section-nav { flex-direction: column-reverse; gap: 10px; }
  .section-nav .btn { width: 100%; justify-content: center; }
}

/* Print: hide chrome, show all sections collapsed for record */
@media print {
  .save-bar, .section-nav, .progress-row, .upload-zone, .btn { display: none !important; }
  .section { display: block !important; page-break-inside: avoid; }
}