:root {
  --bg-top: #0d1117;
  --bg-bottom: #0d1117;
  --surface: #161b22;
  --surface-strong: #0d1117;
  --surface-soft: #1c2128;
  --surface-deep: #21262d;
  --text: #e6edf3;
  --text-soft: #9da7b3;
  --text-faint: #7d8590;
  --line: #30363d;
  --line-strong: #484f58;
  --accent: #2f81f7;
  --accent-soft: rgba(47, 129, 247, 0.16);
  --accent-strong: #1f6feb;
  --glacier: #79c0ff;
  --glacier-soft: rgba(121, 192, 255, 0.12);
  --success: #238636;
  --shadow: none;
  --radius-xl: 0;
  --radius-lg: 3px;
  --radius-md: 3px;
  --radius-sm: 2px;
  --content-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 10px 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #0d1117;
}

button,
input,
select,
a {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.page-shell {
  width: min(100%, var(--content-width));
  margin: 0 auto;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.9fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 0;
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  padding: 0;
  border-radius: var(--radius-xl);
  background: transparent;
  color: var(--text);
}

.brand-banner-frame {
  display: inline-block;
  width: min(100%, 780px);
  margin: 0 0 12px;
  padding: 10px 14px 8px;
  background: #cfd5dd;
  border: 1px solid #7d8590;
}

.brand-banner {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

.eyebrow,
.section-label,
.preview-label,
.contact-label {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  font-weight: 700;
}

.eyebrow,
.section-label,
.contact-label {
  color: var(--glacier);
}

.hero h1,
.form-panel h2,
.summary-panel h2,
.standards-panel h3,
.project-title,
.result-card h3,
.totals-card h3 {
  margin: 0;
  font-family: inherit;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero h1 {
  max-width: 18ch;
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  line-height: 1.1;
}

.hero-text {
  max-width: 44rem;
  margin: 6px 0 12px;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-soft);
}

.hero-note {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 0 0 20px;
  border-radius: var(--radius-xl);
  background: transparent;
  border-left: 1px solid var(--line);
}

.contact-name {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.contact-links {
  display: grid;
  gap: 6px;
}

.contact-card a {
  color: var(--text);
  text-decoration: none;
}

.contact-card a:hover {
  color: var(--glacier);
}

.tagline {
  margin: 10px 0 0;
  color: var(--text-soft);
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.9fr);
  gap: 0;
  align-items: stretch;
}

.info-strip,
.form-panel,
.sticky-panel {
  background: transparent;
  border-radius: var(--radius-xl);
}

.card {
  padding: 20px;
}

.info-strip {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 1fr);
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.form-panel {
  border-right: 1px solid var(--line);
}

.section-text {
  margin: 0;
  max-width: 34rem;
  line-height: 1.6;
  color: var(--text-soft);
}

.feature-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 24px;
  row-gap: 8px;
  color: var(--text);
  line-height: 1.55;
  align-content: start;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 18px;
}

.panel-head.compact {
  margin-bottom: 14px;
}

.panel-head h2 {
  font-size: 1.7rem;
  line-height: 1.15;
}

.panel-actions,
.builder-actions,
.results-actions,
.submit-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.builder-actions {
  align-items: center;
  margin-top: 10px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

#estimate-form:not(.has-projects) .builder-actions {
  margin-bottom: 12px;
  padding-bottom: 0;
  border-bottom: 0;
}

.project-empty-state {
  flex: 1 1 260px;
  min-width: 260px;
  padding: 0;
  color: var(--text-soft);
  margin: 0;
}

.project-empty-state p {
  margin: 0;
  line-height: 1.6;
}

.contact-intake {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.contact-intake .field-grid {
  margin-top: 12px;
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.remove-btn,
.mail-btn {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  padding: 10px 16px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease;
}

.primary-btn {
  background: var(--accent-strong);
  color: #ffffff;
  box-shadow: none;
}

.primary-btn:hover,
.secondary-btn:hover,
.ghost-btn:hover,
.remove-btn:hover,
.mail-btn:hover {
  transform: none;
}

.primary-btn:hover {
  background: #388bfd;
}

.save-btn {
  background: #238636;
  border-color: #238636;
}

.save-btn:hover {
  background: #2ea043;
  border-color: #2ea043;
}

#add-project-btn {
  background: #db6d28;
  border-color: #db6d28;
  color: #ffffff;
}

#add-project-btn:hover {
  background: #f0883e;
  border-color: #f0883e;
}

.primary-btn:disabled,
.secondary-btn:disabled,
.ghost-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.secondary-btn,
.mail-btn {
  background: var(--surface-soft);
  border-color: var(--line);
  color: var(--text);
}

.ghost-btn,
.remove-btn {
  background: transparent;
  border-color: var(--line);
  color: var(--text-soft);
}

.project-list {
  display: grid;
  gap: 0;
}

#estimate-form:not(.has-projects) .standards-panel {
  margin-top: 12px;
}

.project-card {
  padding: 16px 0 0;
  border-radius: var(--radius-xl);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
}

.project-card:first-child {
  padding-top: 0;
  border-top: 0;
}

.project-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.step-grid {
  display: grid;
  gap: 0;
}

.step-card {
  padding: 14px 0;
  border-radius: var(--radius-lg);
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(48, 54, 61, 0.7);
}

.step-card:first-child {
  padding-top: 0;
  border-top: 0;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.step-head h4 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.35;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--glacier);
  font-weight: 700;
  font-size: 0.9rem;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.dimension-block + .dimension-block {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(48, 54, 61, 0.7);
}

.two-set-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 0;
  row-gap: 14px;
  align-items: start;
}

.two-set-layout .step-head,
.two-set-layout [data-both-dimensions-note] {
  grid-column: 1 / -1;
}

.two-set-layout .dimension-block {
  min-width: 0;
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.two-set-layout [data-wall-dimensions] {
  padding-right: 18px;
}

.two-set-layout [data-ceiling-dimensions] {
  padding-left: 18px;
  border-left: 1px solid rgba(48, 54, 61, 0.7);
}

.subsection-head {
  margin-bottom: 12px;
}

.subsection-head h5 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  line-height: 1.35;
}

.subsection-note {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.55;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  font-weight: 600;
  color: var(--text);
}

.field input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: #0d1117;
  color: var(--text);
}

.field select {
  width: 100%;
  min-height: 46px;
  padding: 0 38px 0 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background-color: #0d1117;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--text-faint) 50%),
    linear-gradient(135deg, var(--text-faint) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 19px,
    calc(100% - 12px) 19px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  color: var(--text);
  appearance: none;
}

.field input::placeholder {
  color: var(--text-faint);
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field-note,
.standards-footnote,
.button-note,
.summary-empty p,
.quote-note p,
.error-banner {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.quote-note a,
.button-note a {
  color: var(--glacier);
  text-decoration: none;
}

.quote-note a:hover,
.button-note a:hover {
  text-decoration: underline;
}

.recommendation-banner {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(13, 17, 23, 0.55);
  border: 1px solid var(--line);
  color: var(--text);
}

.recommendation-banner p {
  margin: 0;
}

.thickness-panel .field-grid {
  margin-top: 12px;
}

.preview-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
  padding: 14px 0 0;
  border-radius: var(--radius-lg);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}

.preview-label {
  color: var(--text-faint);
}

.preview-value {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
}

.standards-panel {
  margin-top: 14px;
  padding: 14px 0 0;
  border-radius: var(--radius-xl);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  color: var(--text);
}

.standards-panel .section-label,
.standards-panel h3,
.standards-panel .standards-footnote {
  color: inherit;
}

.standards-panel h3 {
  font-size: 1rem;
  line-height: 1.3;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 10px 0;
}

.standards-grid article {
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(13, 17, 23, 0.45);
  border: 1px solid var(--line);
}

.standard-title,
.standard-value,
.standard-note {
  margin: 0;
}

.standard-title {
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
}

.standard-value {
  margin: 6px 0 3px;
  font-size: 1.05rem;
  font-weight: 700;
}

.standard-note {
  line-height: 1.45;
}

.submit-row {
  margin-top: 18px;
}

.sticky-panel {
  position: sticky;
  top: 0;
}

.summary-empty {
  padding: 16px 0 0;
  border-radius: var(--radius-lg);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
}

.project-results {
  display: grid;
  gap: 0;
}

.result-card {
  padding: 16px 0 0;
  border-radius: var(--radius-lg);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
}

.result-card:first-child {
  padding-top: 0;
  border-top: 0;
}

.result-meta,
.metric-grid,
.totals-grid {
  display: grid;
  gap: 12px;
}

.result-meta {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 12px 0;
}

.metric-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-row {
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(13, 17, 23, 0.45);
  border: 1px solid var(--line);
}

.metric-label {
  margin: 0 0 6px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.metric-value {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
}

.totals-card {
  margin-top: 14px;
  padding: 16px 0 0;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--text);
  border: 0;
  border-top: 1px solid var(--line);
}

.totals-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 12px;
}

.totals-grid .metric-row {
  background: var(--surface-soft);
  border-color: var(--line);
}

.totals-grid .metric-label,
.totals-grid .metric-value {
  color: inherit;
}

.quote-note {
  margin-top: 14px;
  padding: 16px 0 0;
  border-radius: var(--radius-lg);
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
}

.quote-note h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  line-height: 1.35;
}

.quote-note p + p {
  margin-top: 10px;
}

.result-note,
.totals-note {
  margin: 12px 0 0;
  color: var(--text-soft);
  line-height: 1.6;
}

.totals-note {
  grid-column: 1 / -1;
}

.results-actions {
  margin-top: 14px;
}

.button-note {
  margin-top: 10px;
}

.error-banner {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: rgba(248, 81, 73, 0.12);
  border: 1px solid rgba(248, 81, 73, 0.28);
  color: #ffb3ad;
}

.hidden {
  display: none !important;
}

@media (max-width: 1080px) {
  .main-grid,
  .hero,
  .info-strip {
    grid-template-columns: 1fr;
  }

  .contact-card {
    border-left: 0;
    padding-left: 0;
  }

  .form-panel {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sticky-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  .page-shell {
    border-left: 0;
    border-right: 0;
  }

  .hero-copy,
  .contact-card,
  .card,
  .project-card {
    border-radius: var(--radius-xl);
  }

  .field-grid,
  .result-meta,
  .metric-grid,
  .totals-grid,
  .standards-grid,
  .preview-bar {
    grid-template-columns: 1fr;
  }

  .two-set-layout {
    grid-template-columns: 1fr;
    row-gap: 14px;
  }

  .two-set-layout [data-wall-dimensions],
  .two-set-layout [data-ceiling-dimensions] {
    padding-left: 0;
    padding-right: 0;
    border-left: 0;
  }

  .two-set-layout [data-ceiling-dimensions] {
    padding-top: 14px;
    border-top: 1px solid rgba(48, 54, 61, 0.7);
  }

  .panel-head,
  .project-head {
    flex-direction: column;
    align-items: stretch;
  }

  .panel-actions,
  .builder-actions,
  .results-actions,
  .submit-row {
    flex-direction: column;
  }
}

@media print {
  body {
    background: #ffffff;
    color: #111111;
  }

  .page-shell {
    width: 100%;
    padding: 0;
    border: 0;
  }

  .hero,
  .form-panel,
  .results-actions,
  .button-note,
  .panel-actions {
    display: none;
  }

  .main-grid {
    display: block;
  }

  .sticky-panel,
  .info-strip,
  .quote-note,
  .totals-card,
  .result-card {
    box-shadow: none;
    border: 1px solid #d8d8d8;
  }

  .sticky-panel,
  .info-strip,
  .quote-note,
  .totals-card,
  .result-card,
  .metric-row,
  .standards-grid article {
    background: #ffffff !important;
    color: #111111 !important;
    border-color: #d8d8d8 !important;
  }

  .section-label,
  .metric-label,
  .standard-title,
  .section-text,
  .feature-list,
  .standards-footnote,
  .quote-note p {
    color: #444444 !important;
  }
}