/* ============================================================
   EPC Checker — style.css
   Editorial / Magazine design system
   Fraunces + DM Sans • Warm paper • Terracotta accent
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,700;0,9..144,900;1,9..144,400&family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Core palette */
  --clr-primary: #1a7a6d;
  --clr-primary-dark: #135e54;
  --clr-primary-light: #e6f5f2;
  --clr-accent: #c4572a;
  --clr-accent-hover: #a8461f;
  --clr-accent-soft: rgba(196, 87, 42, 0.08);
  --clr-dark: #1a1715;
  --clr-text: #4a4540;
  --clr-text-light: #7a756e;
  --clr-bg: #faf8f5;
  --clr-bg-alt: #f5f0ea;
  --clr-bg-cream: #eee8df;
  --clr-white: #ffffff;
  --clr-border: rgba(26, 23, 21, 0.1);

  /* EPC Rating colours */
  --clr-rating-a: #008054;
  --clr-rating-b: #19b459;
  --clr-rating-c: #8dce46;
  --clr-rating-d: #ffd500;
  --clr-rating-e: #fcaa65;
  --clr-rating-f: #ef8023;
  --clr-rating-g: #e9153b;

  /* Layout */
  --max-w: 1140px;
  --radius: 4px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26, 23, 21, 0.06);
  --shadow-md: 0 2px 8px rgba(26, 23, 21, 0.08), 0 1px 2px rgba(26, 23, 21, 0.04);
  --shadow-lg: 0 8px 24px rgba(26, 23, 21, 0.1), 0 2px 6px rgba(26, 23, 21, 0.06);

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  /* Fonts */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-text);
  background: var(--clr-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--clr-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-accent-hover); text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--clr-dark);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); margin-bottom: .75rem; }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); margin-bottom: .5rem; }

p + p { margin-top: 1rem; }

/* --- Utility --- */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 1.25rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.text-center { text-align: center; }
.updated-date { font-size: .85rem; color: var(--clr-text-light); margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 0.03em; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.5rem;
  border: none; border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--clr-accent); color: #fff; }
.btn-primary:hover { background: var(--clr-accent-hover); color: #fff; text-decoration: none; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(196,87,42,0.25); }
.btn-outline { background: transparent; color: var(--clr-accent); border: 2px solid var(--clr-accent); }
.btn-outline:hover { background: var(--clr-accent); color: #fff; text-decoration: none; }
.btn-accent { background: var(--clr-primary); color: #fff; }
.btn-accent:hover { background: var(--clr-primary-dark); color: #fff; text-decoration: none; }
.btn-lg { padding: 1rem 2rem; font-size: 1.1rem; }

/* --- Header / Nav --- */
.site-header {
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo {
  font-family: var(--font-body);
  font-size: 1.25rem; font-weight: 800; color: var(--clr-dark);
  display: flex; align-items: center; gap: .5rem;
}
.logo:hover { text-decoration: none; color: var(--clr-accent); }
.logo-icon {
  width: 32px; height: 32px; background: var(--clr-primary); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: .85rem;
}

.main-nav { display: flex; gap: 1.5rem; align-items: center; }
.main-nav a { color: var(--clr-text); font-size: .875rem; font-weight: 500; font-family: var(--font-body); }
.main-nav a:hover { color: var(--clr-accent); text-decoration: none; }
.main-nav .btn-primary { font-size: .8125rem; padding: .5rem 1rem; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: .5rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--clr-dark); margin: 5px 0; transition: var(--transition); }

/* --- Hero --- */
.hero {
  background: var(--clr-dark);
  padding: 5rem 0 4.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 80%, rgba(196, 87, 42, 0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 20%, rgba(26, 122, 109, 0.1) 0%, transparent 70%);
  pointer-events: none;
}
/* EPC spectrum bar */
.hero::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--clr-rating-a) 0%, var(--clr-rating-c) 30%, var(--clr-rating-d) 50%, var(--clr-rating-f) 75%, var(--clr-rating-g) 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero h1 {
  color: var(--clr-bg);
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.hero p {
  font-size: 1.125rem;
  color: rgba(250, 248, 245, 0.6);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

/* --- Search Box --- */
.search-box {
  max-width: 520px; margin: 0 auto;
  display: flex; gap: .5rem;
  background: var(--clr-white); border-radius: var(--radius-lg); padding: .5rem;
  box-shadow: var(--shadow-lg);
}
.search-box input {
  flex: 1; border: 1px solid var(--clr-border); border-radius: var(--radius);
  padding: .85rem 1rem; font-size: 1rem; font-family: var(--font-body);
  outline: none; transition: border-color var(--transition);
  background: var(--clr-bg);
}
.search-box input:focus { border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(196,87,42,0.1); }
.search-box .btn { white-space: nowrap; }

/* --- Sections --- */
.section { padding: 4.5rem 0; }
.section-alt { background: var(--clr-bg-alt); }

/* --- How It Works --- */
.steps-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem; margin-top: 2.5rem;
}
.step-card {
  background: var(--clr-white); padding: 2.25rem; border-radius: var(--radius);
  box-shadow: var(--shadow-sm); text-align: center;
  border-top: 3px solid var(--clr-accent);
  transition: box-shadow var(--transition), transform var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.step-number {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--clr-accent-soft); color: var(--clr-accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 800; margin-bottom: 1rem;
  font-family: var(--font-body);
}
.step-card h3 { font-size: 1.1rem; font-weight: 700; }
.step-card p { font-size: .9rem; color: var(--clr-text-light); margin-top: .5rem; }

/* --- Stats Banner --- */
.stats-banner {
  background: var(--clr-dark); color: var(--clr-bg); padding: 3.5rem 0; text-align: center;
  position: relative;
  overflow: hidden;
}
.stats-banner::before {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--clr-rating-a) 0%, var(--clr-rating-c) 30%, var(--clr-rating-d) 50%, var(--clr-rating-f) 75%, var(--clr-rating-g) 100%);
}
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem; margin-top: 1rem;
}
.stat-item h3 {
  font-size: 2.25rem; color: var(--clr-bg);
  font-family: var(--font-display); font-weight: 900;
}
.stat-item p { font-size: .875rem; opacity: .5; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; }

/* --- Feature Cards --- */
.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; margin-top: 2rem;
}
.feature-card {
  background: var(--clr-white); padding: 1.75rem; border-radius: var(--radius);
  border: 1px solid var(--clr-border);
  transition: all var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-md); border-color: rgba(196,87,42,0.2); transform: translateY(-2px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: var(--clr-accent-soft); color: var(--clr-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 1rem;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; }
.feature-card p { font-size: .9rem; color: var(--clr-text-light); margin-top: .35rem; }

/* --- EPC Rating Bars --- */
.epc-chart { width: 100%; max-width: 380px; }
.epc-bar {
  display: flex; align-items: center; margin-bottom: 4px; font-weight: 700; font-size: .9rem;
  color: #fff; border-radius: 3px; transition: all var(--transition);
  font-family: var(--font-body);
}
.epc-bar span.bar-label { padding: 6px 12px; min-width: 36px; text-align: center; }
.epc-bar span.bar-fill { flex: 1; height: 100%; }
.epc-bar span.bar-range { padding: 6px 10px; font-size: .8rem; opacity: .9; }
.epc-bar[data-rating="A"] { background: var(--clr-rating-a); width: 36%; }
.epc-bar[data-rating="B"] { background: var(--clr-rating-b); width: 46%; }
.epc-bar[data-rating="C"] { background: var(--clr-rating-c); width: 56%; color: var(--clr-dark); }
.epc-bar[data-rating="D"] { background: var(--clr-rating-d); width: 66%; color: var(--clr-dark); }
.epc-bar[data-rating="E"] { background: var(--clr-rating-e); width: 76%; color: var(--clr-dark); }
.epc-bar[data-rating="F"] { background: var(--clr-rating-f); width: 86%; }
.epc-bar[data-rating="G"] { background: var(--clr-rating-g); width: 100%; }
.epc-bar.active { box-shadow: 0 0 0 3px rgba(26,23,21,.15); transform: scale(1.04); z-index: 1; position: relative; }

/* Rating badge */
.rating-badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius);
  font-weight: 800; font-size: 1.1rem; color: #fff;
  font-family: var(--font-body);
}
.rating-badge.A { background: var(--clr-rating-a); }
.rating-badge.B { background: var(--clr-rating-b); }
.rating-badge.C { background: var(--clr-rating-c); color: var(--clr-dark); }
.rating-badge.D { background: var(--clr-rating-d); color: var(--clr-dark); }
.rating-badge.E { background: var(--clr-rating-e); color: var(--clr-dark); }
.rating-badge.F { background: var(--clr-rating-f); }
.rating-badge.G { background: var(--clr-rating-g); }

/* --- FAQ --- */
.faq-list { max-width: 700px; margin: 2rem auto 0; }
.faq-item { border-bottom: 1px solid var(--clr-border); }
.faq-question {
  width: 100%; background: none; border: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 0; font-size: 1rem; font-weight: 600;
  font-family: var(--font-body);
  color: var(--clr-dark); text-align: left; line-height: 1.4;
}
.faq-question:hover { color: var(--clr-accent); }
.faq-question::after { content: '+'; font-size: 1.5rem; color: var(--clr-accent); transition: transform var(--transition); flex-shrink: 0; margin-left: 1rem; }
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-answer-inner { padding: 0 0 1.25rem; color: var(--clr-text-light); line-height: 1.7; }
.faq-answer-inner a { color: var(--clr-accent); }

/* --- Search Results --- */
.results-header { margin-bottom: 2rem; }
.results-count { font-size: .9rem; color: var(--clr-text-light); margin-top: .5rem; }

.result-card {
  background: var(--clr-white); border: 1px solid var(--clr-border); border-radius: var(--radius);
  padding: 1.5rem; margin-bottom: 1rem; transition: all var(--transition);
  display: grid; grid-template-columns: auto 1fr auto; gap: 1.25rem; align-items: center;
}
.result-card:hover { box-shadow: var(--shadow-md); border-color: rgba(196,87,42,0.15); }
.result-rating { text-align: center; }
.result-info h3 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; margin-bottom: .25rem; }
.result-info p { font-size: .85rem; color: var(--clr-text-light); margin: 0; }
.result-meta { text-align: right; font-size: .85rem; color: var(--clr-text-light); }
.result-meta .potential { display: flex; align-items: center; gap: .35rem; margin-top: .35rem; }
.result-meta .potential .rating-badge { width: 28px; height: 28px; font-size: .8rem; }

.results-loading { text-align: center; padding: 3rem; }
.spinner {
  width: 40px; height: 40px; border: 4px solid var(--clr-border);
  border-top-color: var(--clr-accent); border-radius: 50%;
  animation: spin .8s linear infinite; margin: 0 auto 1rem;
}
@keyframes spin { to { transform: rotate(360deg); } }

.no-results { text-align: center; padding: 3rem; color: var(--clr-text-light); }
.error-message { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; padding: 1rem 1.5rem; border-radius: var(--radius); margin-bottom: 1.5rem; }

/* --- Guide / Article --- */
.article-header {
  padding: 3rem 0 2rem; background: var(--clr-dark); border-bottom: none;
  position: relative;
}
.article-header h1 { margin-bottom: .5rem; color: var(--clr-bg); }
.breadcrumb { font-size: .8125rem; color: var(--clr-text-light); margin-bottom: 1rem; display: flex; flex-wrap: wrap; gap: .25rem; text-transform: uppercase; letter-spacing: 0.02em; }
.breadcrumb a { color: rgba(250,248,245,0.6); }
.breadcrumb a:hover { color: var(--clr-bg); }
.breadcrumb span { color: rgba(250,248,245,0.35); }

.article-content { padding: 2.5rem 0 4rem; max-width: 680px; margin: 0 auto; }
.article-content h2 { margin-top: 2.5rem; margin-bottom: .75rem; padding-top: 1.5rem; border-top: 1px solid var(--clr-border); }
.article-content h2:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.article-content h3 { margin-top: 1.5rem; }
.article-content p { margin-bottom: 1rem; }
.article-content ul, .article-content ol { margin: 1rem 0; padding-left: 1.5rem; }
.article-content li { margin-bottom: .5rem; }
.article-content blockquote {
  border-left: 4px solid var(--clr-accent); margin: 1.5rem 0;
  padding: 1rem 1.5rem; background: var(--clr-accent-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.article-content th, .article-content td { padding: .75rem 1rem; border: 1px solid var(--clr-border); text-align: left; font-size: .9rem; }
.article-content th { background: var(--clr-dark); color: var(--clr-bg); font-weight: 600; font-size: .8125rem; text-transform: uppercase; letter-spacing: 0.04em; border: none; }

.cta-box {
  background: var(--clr-white);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 2rem 2rem 2rem 2.25rem; margin: 2rem 0; text-align: left;
  box-shadow: var(--shadow-md);
}
.cta-box h3 { font-weight: 700; color: var(--clr-dark); }
.cta-box p { margin: .75rem 0 1.25rem; color: var(--clr-text); font-size: .9375rem; }

/* Table of Contents */
.toc {
  background: var(--clr-white); border: 1px solid var(--clr-border);
  border-radius: var(--radius); padding: 1.5rem; margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}
.toc h4 {
  font-family: var(--font-display); font-size: .875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--clr-text-light); margin-bottom: .75rem;
  padding-bottom: .75rem; border-bottom: 2px solid var(--clr-accent);
}
.toc ol { padding-left: 1.25rem; }
.toc li { margin-bottom: .35rem; font-size: .9rem; }
.toc a { color: var(--clr-accent); }

/* --- Cross-links / Network --- */
.network-banner {
  background: var(--clr-bg-alt); border-top: 1px solid var(--clr-border);
  padding: 2.5rem 0; text-align: center;
}
.network-banner h3 {
  font-family: var(--font-body); font-size: .75rem; color: var(--clr-text-light);
  font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  margin-bottom: 1.25rem;
}
.network-links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem;
}
.network-link {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1.25rem; border: 1px solid var(--clr-border);
  border-radius: var(--radius); background: var(--clr-white);
  font-size: .8125rem; font-weight: 500; color: var(--clr-text);
  font-family: var(--font-body);
  transition: all var(--transition);
}
.network-link:hover { border-color: var(--clr-accent); color: var(--clr-accent); text-decoration: none; box-shadow: var(--shadow-sm); }

/* --- Footer --- */
.site-footer {
  background: var(--clr-dark); color: #b0a99f; padding: 3.5rem 0 1.5rem;
}
.footer-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem; margin-bottom: 2rem;
}
.footer-col h4 {
  color: var(--clr-bg); font-family: var(--font-display);
  font-size: .9375rem; font-weight: 500; margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: .5rem; }
.footer-col a { color: #8a837b; font-size: .875rem; font-family: var(--font-body); }
.footer-col a:hover { color: var(--clr-bg); }
.footer-bottom {
  border-top: 1px solid rgba(250,248,245,0.08); padding-top: 1.5rem;
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  font-size: .85rem; gap: 1rem;
}
.footer-bottom a { color: #8a837b; }

/* --- Location Page --- */
.location-hero {
  background: var(--clr-dark); padding: 3rem 0 2.5rem;
  position: relative;
}
.location-hero::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--clr-rating-a) 0%, var(--clr-rating-c) 30%, var(--clr-rating-d) 50%, var(--clr-rating-f) 75%, var(--clr-rating-g) 100%);
}
.location-hero h1 { color: var(--clr-bg); }
.location-hero .breadcrumb a { color: rgba(250,248,245,0.6); }
.location-hero .breadcrumb span { color: rgba(250,248,245,0.35); }
.location-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem; margin-top: 1.5rem;
}
.location-stat {
  background: rgba(250,248,245,0.08); padding: 1.25rem; border-radius: var(--radius);
  border: 1px solid rgba(250,248,245,0.1); text-align: center;
}
.location-stat .stat-val { font-size: 1.5rem; font-weight: 800; color: var(--clr-bg); font-family: var(--font-display); }
.location-stat .stat-lbl { font-size: .8rem; color: rgba(250,248,245,0.5); margin-top: .25rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* --- Area Stats Bar --- */
.area-stats-bar {
  background: var(--clr-white); border: 1px solid var(--clr-border); border-radius: var(--radius);
  padding: 1.5rem 2rem; margin-bottom: 2rem; box-shadow: var(--shadow-sm);
}
.area-stats-header h3 { font-size: 1.1rem; margin-bottom: .25rem; }
.area-stats-header p { font-size: .9rem; color: var(--clr-text-light); margin-bottom: 1rem; }
.rating-breakdown { display: flex; flex-direction: column; gap: 6px; }
.breakdown-row { display: flex; align-items: center; gap: .75rem; }
.rating-badge.mini { width: 28px; height: 28px; font-size: .8rem; flex-shrink: 0; }
.breakdown-bar-track { flex: 1; height: 22px; background: var(--clr-bg-alt); border-radius: 3px; overflow: hidden; }
.breakdown-bar-fill { height: 100%; border-radius: 3px; transition: width .6s ease; }
.breakdown-bar-fill.A { background: var(--clr-rating-a); }
.breakdown-bar-fill.B { background: var(--clr-rating-b); }
.breakdown-bar-fill.C { background: var(--clr-rating-c); }
.breakdown-bar-fill.D { background: var(--clr-rating-d); }
.breakdown-bar-fill.E { background: var(--clr-rating-e); }
.breakdown-bar-fill.F { background: var(--clr-rating-f); }
.breakdown-bar-fill.G { background: var(--clr-rating-g); }
.breakdown-count { font-size: .8rem; color: var(--clr-text-light); min-width: 60px; text-align: right; }

/* --- Result Cards Enhanced --- */
.result-low-rated { border-left: 4px solid var(--clr-rating-e); }
.result-costs { font-size: .85rem; color: var(--clr-text-light); margin-top: .25rem; }
.savings-highlight { color: var(--clr-rating-a); font-weight: 600; }
.btn-sm { padding: .4rem .8rem; font-size: .8rem; }

/* --- Decision Engine --- */
.decision-engine { margin-top: 2.5rem; }
.engine-banner {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: 2rem; border-radius: var(--radius); margin-bottom: 2rem;
}
.engine-low { background: linear-gradient(135deg, #fef3cd 0%, #fff8e1 100%); border: 2px solid var(--clr-rating-f); }
.engine-good { background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 100%); border: 2px solid var(--clr-rating-b); }
.engine-icon { font-size: 2.5rem; flex-shrink: 0; }
.engine-content h3 { font-size: 1.3rem; margin-bottom: .5rem; }
.engine-content p { margin-bottom: 1rem; }

/* --- Qualifier Form --- */
.qualifier-form {
  background: var(--clr-white); border: 2px solid var(--clr-accent); border-radius: var(--radius);
  padding: 2rem; box-shadow: var(--shadow-lg);
}
.qualifier-header { text-align: center; margin-bottom: 2rem; }
.qualifier-header h3 { font-size: 1.4rem; }
.qualifier-header p { color: var(--clr-text-light); }
.qualifier-progress { height: 6px; background: var(--clr-border); border-radius: 3px; margin-top: 1rem; overflow: hidden; }
.qualifier-progress-bar { height: 100%; background: var(--clr-accent); border-radius: 3px; transition: width .4s ease; }

.qual-step { margin-bottom: 1.5rem; animation: fadeIn .3s ease; }
.qual-step h4 { font-size: 1.1rem; margin-bottom: .5rem; font-family: var(--font-body); font-weight: 600; }
.qual-hint { font-size: .85rem; color: var(--clr-text-light); margin-bottom: .75rem; }

.qual-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: .75rem; }
.qual-option {
  display: flex; align-items: center; gap: .75rem;
  padding: 1rem 1.25rem; background: var(--clr-bg-alt); border: 2px solid var(--clr-border);
  border-radius: var(--radius); cursor: pointer; font-size: .95rem; font-weight: 500;
  color: var(--clr-dark); transition: all var(--transition); text-align: left;
  font-family: var(--font-body);
}
.qual-option:hover { border-color: var(--clr-accent); background: var(--clr-accent-soft); }
.qual-icon { font-size: 1.4rem; }
.qual-option-selected { border-color: var(--clr-accent); background: var(--clr-accent-soft); font-weight: 700; }
.qual-option-dimmed { opacity: .4; pointer-events: none; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* --- Qualifier Results --- */
.qual-result-panel { padding: 2rem; border-radius: var(--radius); margin-top: 1.5rem; animation: fadeIn .4s ease; }
.qual-result-grant { background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 100%); border: 2px solid var(--clr-rating-b); }
.qual-result-quotes { background: var(--clr-bg-alt); border: 1px solid var(--clr-border); }
.qual-result-landlord { background: var(--clr-white); border: 2px solid var(--clr-rating-f); }
.result-confetti { font-size: 3rem; text-align: center; margin-bottom: .5rem; }

.grant-list { list-style: none; padding: 0; margin: 1rem 0 1.5rem; }
.grant-list li { padding: .5rem 0; font-size: 1rem; display: flex; align-items: center; gap: .5rem; }
.grant-check { font-size: 1.1rem; }

.grant-savings-box { background: rgba(255,255,255,.7); border-radius: var(--radius); padding: 1.5rem; margin: 1.5rem 0; }
.grant-savings-label { font-size: .9rem; color: var(--clr-text-light); margin-bottom: .75rem; }
.grant-savings-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; text-align: center; }
.grant-saving strong { display: block; font-size: 1.4rem; color: var(--clr-primary-dark); font-family: var(--font-display); }
.grant-saving span { font-size: .8rem; color: var(--clr-text-light); }
.grant-next { margin: 1.5rem 0 1rem; font-weight: 600; }
.grant-disclaimer { font-size: .8rem; color: var(--clr-text-light); margin-top: .75rem; }
.grant-secondary { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid rgba(0,0,0,.1); }
.grant-secondary p { font-size: .9rem; color: var(--clr-text); margin-bottom: .75rem; }

/* --- Landlord Result --- */
.landlord-warning { background: #fef2f2; border: 1px solid #fecaca; border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; }
.landlord-warning h3 { color: #991b1b; }
.landlord-upcoming { background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.5rem; }
.landlord-grants { margin-bottom: 1.5rem; }
.landlord-grants ul { padding-left: 1.25rem; }
.landlord-grants li { margin-bottom: .5rem; }

/* --- Improvement Cards --- */
.improvement-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.imp-card {
  background: var(--clr-white); border: 1px solid var(--clr-border); border-radius: var(--radius);
  padding: 1.25rem; text-align: center; transition: all var(--transition);
}
.imp-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.imp-icon { font-size: 2rem; display: block; margin-bottom: .5rem; }
.imp-card h4 { font-size: .9rem; margin-bottom: .25rem; font-family: var(--font-body); font-weight: 600; }
.imp-card p { font-size: .8rem; color: var(--clr-text-light); margin: 0; }
.imp-cost { font-weight: 600; color: var(--clr-accent); }

/* --- Lead Form --- */
.lead-form { margin-top: 1.5rem; }
.lead-form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.lead-field { display: flex; flex-direction: column; gap: .35rem; }
.lead-field label { font-size: .85rem; font-weight: 600; color: var(--clr-dark); }
.lead-field input {
  padding: .7rem .9rem; border: 1px solid var(--clr-border); border-radius: var(--radius);
  font-size: .95rem; font-family: var(--font-body); outline: none;
  transition: border-color var(--transition); background: var(--clr-bg);
}
.lead-field input:focus { border-color: var(--clr-accent); box-shadow: 0 0 0 3px rgba(196,87,42,0.1); }
.lead-checkboxes { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; }
.lead-check { display: flex; align-items: center; gap: .35rem; font-size: .9rem; cursor: pointer; }
.lead-check input { width: 16px; height: 16px; accent-color: var(--clr-accent); }
.lead-privacy { font-size: .8rem; color: var(--clr-text-light); margin: 1rem 0; }
.lead-privacy a { color: var(--clr-accent); }
.lead-success { text-align: center; padding: 2rem; animation: fadeIn .4s ease; }
.success-icon { font-size: 3rem; margin-bottom: .5rem; }
.lead-success h4 { font-size: 1.3rem; color: var(--clr-rating-a); font-family: var(--font-display); }
.lead-success p { margin-top: .75rem; color: var(--clr-text); }

/* --- Responsive --- */
@media (max-width: 768px) {
  .main-nav {
    display: none; flex-direction: column; position: absolute;
    top: 64px; left: 0; right: 0; background: var(--clr-white); padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--clr-border); box-shadow: var(--shadow-md);
    gap: .5rem;
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: .5rem 0; }
  .nav-toggle { display: block; }

  .search-box { flex-direction: column; }
  .search-box .btn { width: 100%; justify-content: center; }

  .hero { padding: 3.5rem 0 3rem; }
  .section { padding: 3rem 0; }

  .result-card { grid-template-columns: auto 1fr; }
  .result-meta { grid-column: 1 / -1; text-align: left; display: flex; gap: 1rem; }

  .engine-banner { flex-direction: column; }
  .qual-options { grid-template-columns: 1fr; }
  .grant-savings-grid { grid-template-columns: 1fr; gap: .75rem; }
  .improvement-cards { grid-template-columns: repeat(2, 1fr); }
  .lead-form-grid { grid-template-columns: 1fr; }

  /* Fix the two-column EPC visual section */
  [style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 480px) {
  .footer-bottom { flex-direction: column; text-align: center; }
  .steps-grid { grid-template-columns: 1fr; }
}

/* Print */
@media print {
  .site-header, .site-footer, .network-banner, .search-box, .nav-toggle { display: none; }
  body { font-size: 12pt; color: #000; background: #fff; }
}