/* ==========================================================================
   Commercial Energy Assessments — shared stylesheet
   Design tokens
   ========================================================================== */

:root {
  --ink: #12181B;
  --ink-soft: #263129;
  --paper: #F4F6F2;
  --paper-alt: #E9ECE4;
  --paper-deep: #DCE1D6;
  --forest: #1E5C4C;
  --forest-deep: #163F35;
  --signal: #2FA84F;
  --brick: #B2453A;
  --slate: #5B6660;
  --slate-light: #869087;
  --rule: #CBD2C4;
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --max: 1180px;
  --gutter: clamp(20px, 5vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0 0 0.4em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--ink-soft); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--forest);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.1em;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--signal);
  display: inline-block;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.rule {
  height: 4px;
  width: 64px;
  background: linear-gradient(90deg, var(--signal), var(--forest-deep));
  border: 0;
  margin: 0 0 1.4em;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 24px;
  border-radius: 2px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--forest);
  color: var(--white);
}
.btn-primary:hover { background: var(--forest-deep); transform: translateY(-1px); }

.btn-ghost {
  border-color: var(--rule);
  color: var(--ink);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--forest); color: var(--forest); }

.btn-on-dark {
  border-color: rgba(244,246,242,0.3);
  color: var(--paper);
}
.btn-on-dark:hover { border-color: var(--signal); color: var(--signal); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244,246,242,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.logo .mark {
  display: inline-flex;
  width: 10px; height: 10px;
  background: var(--signal);
}
.logo .full { color: var(--slate); font-weight: 400; font-size: 0.68em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links a {
  position: relative;
  padding: 6px 0;
  color: var(--ink-soft);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--signal);
  transition: width 0.2s ease;
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after { width: 100%; }
.nav-links a[aria-current="page"] { color: var(--forest); }

.nav-links .btn-primary { display: none; }

.nav-cta { display: flex; align-items: center; gap: 24px; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  width: 42px; height: 42px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  position: relative;
  transition: all 0.2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 78px 0 0 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px var(--gutter);
    gap: 26px;
    font-size: 1rem;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  .nav-links.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-cta .btn-primary { display: none; }
  .nav-links .btn-primary { display: inline-flex; margin-top: 8px; }
  .nav-toggle { display: flex; }
}

/* ==========================================================================
   Rating bar signature element
   ========================================================================== */

.rating-bar {
  display: flex;
  width: 100%;
  height: 46px;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.rating-bar span {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--white);
  position: relative;
}

.rating-bar .seg-a-plus { background: #0B7A3C; flex: 0.6; }
.rating-bar .seg-a { background: #1E5C4C; flex: 0.7; }
.rating-bar .seg-b { background: #2C7A55; flex: 0.82; }
.rating-bar .seg-c { background: #3FA05B; flex: 0.94; }
.rating-bar .seg-d { background: #7FA84A; flex: 1.06; }
.rating-bar .seg-e { background: #C7A23D; flex: 1.18; }
.rating-bar .seg-f { background: #C97A3A; flex: 1.3; }
.rating-bar .seg-g { background: var(--brick); flex: 1.42; }

.rating-bar .marker {
  position: absolute;
  top: -14px;
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 3px 8px;
  white-space: nowrap;
  opacity: 0;
  animation: markerIn 0.6s ease forwards;
  animation-delay: 0.9s;
}
.rating-bar .marker::after {
  content: "";
  position: absolute;
  bottom: -5px; left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--ink);
}
@keyframes markerIn {
  from { opacity: 0; top: -6px; }
  to { opacity: 1; top: -14px; }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding: clamp(56px, 9vw, 108px) 0 clamp(48px, 7vw, 84px);
  border-bottom: 1px solid var(--rule);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 6vw, 80px);
  align-items: end;
}

.hero h1 { max-width: 15ch; }
.hero .lede {
  font-size: 1.15rem;
  max-width: 46ch;
  color: var(--slate);
}
.hero-ctas { display: flex; gap: 16px; margin-top: 30px; flex-wrap: wrap; }

.hero-panel {
  background: transparent;
  border: 1px solid var(--rule);
  padding: 30px;
  border-radius: 2px;
}
.hero-panel .panel-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 18px;
  display: block;
}
.hero-panel .panel-note {
  margin-top: 18px;
  font-size: 0.85rem;
  color: var(--slate);
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Trust strip
   ========================================================================== */

.trust-strip {
  border-bottom: 1px solid var(--rule);
  background: var(--paper-alt);
}
.trust-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  padding-top: 22px;
  padding-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--slate);
  align-items: center;
}
.trust-strip strong { color: var(--forest); font-weight: 600; }

/* ==========================================================================
   Sections
   ========================================================================== */

section.block { padding: clamp(56px, 8vw, 96px) 0; }
.block-alt { background: var(--paper-alt); }
.block-dark {
  background: var(--ink);
  color: var(--paper);
}
.block-dark h2, .block-dark .eyebrow { color: var(--paper); }
.block-dark .eyebrow::before { background: var(--signal); }
.block-dark p { color: rgba(244,246,242,0.72); }

.section-head {
  max-width: 60ch;
  margin-bottom: 48px;
}

/* Card grid */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--white);
  border: 1px solid var(--rule);
  padding: 30px 26px;
  border-top: 4px solid var(--forest);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -18px rgba(18,24,27,0.3);
}
.card .card-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--slate-light);
  display: block;
  margin-bottom: 14px;
}
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card ul { margin: 0 0 0; padding-left: 18px; color: var(--slate); font-size: 0.92rem; }
.card ul li { margin-bottom: 6px; }

.block-dark .card {
  background: rgba(244,246,242,0.04);
  border-color: rgba(244,246,242,0.14);
}
.block-dark .card p { color: rgba(244,246,242,0.7); }

/* Process steps */

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 960px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}
.steps li {
  border-left: 2px solid var(--rule);
  padding-left: 18px;
}
.steps .step-no {
  font-family: var(--font-mono);
  color: var(--forest);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 8px;
}
.steps h3 { font-size: 1.05rem; margin-bottom: 6px; }
.steps p { font-size: 0.92rem; color: var(--slate); margin: 0; }

/* Stat row */

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  border-top: 1px solid var(--rule);
  padding-top: 40px;
  margin-top: 48px;
}
@media (max-width: 700px) { .stat-row { grid-template-columns: 1fr; } }
.stat-row .num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--forest);
  display: block;
}
.stat-row .label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate);
}

/* CTA banner */

.cta-banner {
  background: var(--forest);
  color: var(--white);
  padding: clamp(44px, 7vw, 72px);
  border-radius: 2px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); margin-bottom: 6px; }
.cta-banner p { color: rgba(255,255,255,0.8); margin: 0; max-width: 46ch; }

/* Two column feature */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.split figure {
  margin: 0;
  background: var(--ink);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

/* ==========================================================================
   Case studies / project cards
   ========================================================================== */

.project-card {
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
}
.project-card:first-of-type { padding-top: 0; }
.project-card:last-of-type { border-bottom: none; padding-bottom: 0; }

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 22px;
}
.project-top h3 { margin-bottom: 6px; }

.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 6px 11px;
  border: 1px solid var(--rule);
  color: var(--forest);
  background: var(--paper-alt);
  white-space: nowrap;
}

.project-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 22px;
}
.project-images figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  aspect-ratio: 4/3;
  background: var(--ink);
}
.project-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.project-images figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(18,24,27,0.82);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 9px 12px;
}

.project-body { max-width: 72ch; }
.project-body p:last-child { margin-bottom: 0; }

/* ---- Fact strip ---- */
.fact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 22px;
}
.fact-strip .fact {
  flex: 1 1 160px;
  padding: 14px 20px 14px 0;
  margin-right: 20px;
  border-right: 1px solid var(--rule);
}
.fact-strip .fact:last-child { border-right: none; margin-right: 0; }
.fact-strip .fact-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 4px;
}
.fact-strip .fact-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.fact-strip .fact-value.tbc { color: var(--slate-light); font-weight: 500; }
@media (max-width: 700px) {
  .fact-strip .fact { flex: 1 1 45%; border-right: none; margin-right: 0; padding-right: 0; padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid var(--rule); }
}

/* ---- Case study narrative: Brief / Approach / Outcome (comparison preview) ---- */
.narrative-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 4px;
}
.narrative-grid .n-block .n-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--forest);
  margin-bottom: 8px;
}
.narrative-grid .n-block p {
  font-size: 0.94rem;
  margin: 0;
  color: var(--slate);
}
@media (max-width: 700px) {
  .narrative-grid { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 700px) {
  .project-images { grid-template-columns: 1fr; }
}

/* Reveal-on-scroll — only applies once JS confirms it can run the reveal
   (see the early <html class="js"> script in <head>). Without JS, or if it
   fails to load, .reveal content is fully visible by default — nothing is
   ever hidden behind a script that might not run. */
.js .reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.js .reveal.in { opacity: 1; transform: translateY(0); }

/* ==========================================================================
   Page header (Services / About / Contact)
   ========================================================================== */

.page-header {
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--rule);
}
.page-header h1 { max-width: 22ch; }
.page-header .lede { max-width: 56ch; color: var(--slate); font-size: 1.05rem; }

/* ==========================================================================
   Forms
   ========================================================================== */

.form-field { margin-bottom: 22px; }
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 8px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--rule);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  border-radius: 2px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--forest);
  box-shadow: 0 0 0 3px rgba(30,92,76,0.14);
}
.form-field textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: 0.85rem; color: var(--slate-light); margin-top: -6px; }

.contact-info-list { list-style: none; padding: 0; margin: 0; }
.contact-info-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  gap: 18px;
  align-items: baseline;
}
.contact-info-list .ci-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-light);
  width: 110px;
  flex-shrink: 0;
}
.contact-info-list a:hover { color: var(--forest); }

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--ink);
  color: rgba(244,246,242,0.65);
  padding: 56px 0 28px;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(244,246,242,0.14);
}
@media (max-width: 700px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--paper);
  margin-bottom: 16px;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--signal); }
.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--paper);
  font-size: 1.1rem;
  margin-bottom: 12px;
  display: block;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 24px;
  font-size: 0.8rem;
}

/* ==========================================================================
   EPC guide — annotated sample certificate
   ========================================================================== */

.cert-mock {
  background: var(--white);
  border: 1px solid var(--rule);
  position: relative;
  padding: 0;
  overflow: visible;
}
.cert-mock .cert-head {
  background: var(--ink);
  color: var(--paper);
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  flex-wrap: wrap;
}
.cert-mock .cert-head h3 {
  color: var(--paper);
  font-size: 1.15rem;
  margin-bottom: 4px;
}
.cert-mock .cert-head .cert-addr {
  color: rgba(244,246,242,0.65);
  font-size: 0.85rem;
}
.cert-mock .cert-head .cert-ref {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(244,246,242,0.55);
  text-align: right;
  white-space: nowrap;
}
.cert-mock .cert-body {
  padding: 30px 28px 34px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 32px;
}
@media (max-width: 780px) {
  .cert-mock .cert-body { grid-template-columns: 1fr; }
}
.cert-mock .cert-rating-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate-light);
  margin-bottom: 10px;
  display: block;
}
.cert-mock .cert-rating-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.cert-mock .cert-rating-row .rate-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--slate);
  width: 62px;
  flex-shrink: 0;
}
.cert-mock .cert-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}
.cert-mock .cert-table td {
  padding: 8px 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
}
.cert-mock .cert-table td:first-child {
  color: var(--slate);
  width: 55%;
}
.cert-mock .cert-foot {
  border-top: 1px solid var(--rule);
  padding: 16px 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--slate);
}

/* Numbered callout badges — inline, sitting next to each labelled field */
.cert-callout-inline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.66rem;
  margin-right: 7px;
  flex-shrink: 0;
  vertical-align: middle;
}

.rating-bar .seg-highlight {
  outline: 3px solid var(--ink);
  outline-offset: -3px;
  position: relative;
  z-index: 1;
}
.epc-key {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 32px;
  margin-top: 8px;
}
@media (max-width: 780px) {
  .epc-key { grid-template-columns: 1fr; }
}
.epc-key .key-item {
  display: flex;
  gap: 16px;
}
.epc-key .key-num {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--forest);
  color: var(--paper);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.epc-key h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--ink);
}
.epc-key p {
  font-size: 0.92rem;
  color: var(--slate);
  margin: 0;
}

/* ==========================================================================
   EPC guide — vertical scale chart (matches the current GOV.UK EPC layout)
   ========================================================================== */

.vscale {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 4px;
}
.vscale .vrow {
  display: flex;
  align-items: center;
  height: 34px;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  position: relative;
}
.vscale .vrow .vrange {
  width: 70px;
  flex-shrink: 0;
  text-align: right;
  padding-right: 12px;
  color: var(--slate);
  font-size: 0.72rem;
}
.vscale .vrow .vband {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  padding-left: 14px;
  font-weight: 600;
}
.vscale .vrow.v-a-plus .vband { background: #0B7A3C; width: 20%; }
.vscale .vrow.v-a .vband { background: #1E5C4C; width: 32%; }
.vscale .vrow.v-b .vband { background: #2C7A55; width: 44%; }
.vscale .vrow.v-c .vband { background: #3FA05B; width: 56%; }
.vscale .vrow.v-d .vband { background: #7FA84A; width: 68%; }
.vscale .vrow.v-e .vband { background: #C7A23D; width: 80%; }
.vscale .vrow.v-f .vband { background: #C97A3A; width: 92%; }
.vscale .vrow.v-g .vband { background: var(--brick); width: 100%; }

.vscale .vrow.v-highlight .vband {
  outline: 3px solid var(--ink);
  outline-offset: -3px;
}
.vscale .vscore-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--ink);
  color: var(--paper);
  padding: 2px 10px;
  border-radius: 2px;
  font-weight: 700;
  margin-left: 10px;
}

.epc-redacted {
  background: repeating-linear-gradient(
    45deg, var(--ink), var(--ink) 4px, #2a3530 4px, #2a3530 8px
  );
  color: transparent;
  border-radius: 2px;
  padding: 1px 6px;
  user-select: none;
}

/* ==========================================================================
   EPC guide — real certificate pages (portrait, not forced to 4:3)
   ========================================================================== */

.doc-pages {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
@media (max-width: 780px) {
  .doc-pages { grid-template-columns: 1fr; }
}
.doc-pages figure {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--white);
}
.doc-pages img {
  width: 100%;
  height: auto;
  display: block;
}
.doc-pages figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--slate);
  padding: 10px 14px;
  border-top: 1px solid var(--rule);
}

/* ==========================================================================
   Hero panel — real EPC rating chart embed
   ========================================================================== */