/* style.css — Polar Breeze LLC Design System — v2 Performance Build */

/* ========================================
   DESIGN TOKENS
   ======================================== */
:root {
  --font-display: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --color-primary: #003087;
  --color-primary-dark: #001f5c;
  --color-primary-light: #0044bb;
  --color-accent: #c62828;
  --color-accent-dark: #a01e1e;
  --color-cta: #16a34a;
  --color-cta-hover: #128a3e;
  --color-cta-active: #0e7033;
  --color-bg: #ffffff;
  --color-surface: #f8f9fc;
  --color-surface-2: #f0f2f7;
  --color-surface-warm: #fafafa;
  --color-divider: #e2e5eb;
  --color-border: #d1d5de;
  --color-text: #1a1d26;
  --color-text-muted: #5a6070;
  --color-text-faint: #8a90a0;
  --color-text-inverse: #ffffff;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 48, 135, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 48, 135, 0.08);
  --shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 6px 16px rgba(0, 0, 0, 0.1);
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ========================================
   SKIP LINK
   ======================================== */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 100;
  font-size: var(--text-sm);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-2); }

/* ========================================
   HEADER / NAVIGATION
   ======================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #ffffff;
  border-bottom: 1px solid var(--color-divider);
}
.site-header.scrolled { box-shadow: 0 1px 4px rgba(0,0,0,0.1); }

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-primary);
  flex-shrink: 0;
}
.header-logo img { height: 52px; width: auto; }

.header-nav { display: none; }
@media (min-width: 1024px) {
  .header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
  }
  .header-nav a {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    text-decoration: none;
    padding: var(--space-1) 0;
    position: relative;
  }
  .header-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 250ms ease;
  }
  .header-nav a:hover::after,
  .header-nav a.active::after { width: 100%; }
}

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.header-phone { display: none; }
@media (min-width: 768px) {
  .header-phone {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(1.1rem, 1rem + 0.5vw, 1.4rem);
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.01em;
  }
  .header-phone svg { width: 20px; height: 20px; color: var(--color-cta); }
}

.btn-call {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-cta);
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
}
.btn-call:hover { background: var(--color-cta-hover); }
.btn-call:active { background: var(--color-cta-active); }
.btn-call svg { width: 18px; height: 18px; }

.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
}
@media (min-width: 1024px) { .menu-toggle { display: none; } }
.menu-toggle svg { width: 24px; height: 24px; }

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: white;
  z-index: 60;
  padding: var(--space-4);
  flex-direction: column;
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-8);
}
.mobile-nav-close {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text);
}
.mobile-nav-close svg { width: 28px; height: 28px; }
.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mobile-nav-links a {
  display: block;
  padding: var(--space-4);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-lg);
}
.mobile-nav-links a:hover,
.mobile-nav-links a:active { background: var(--color-surface); }
.mobile-nav-phone {
  margin-top: auto;
  padding-top: var(--space-8);
  text-align: center;
}
.mobile-nav-phone a {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
  text-decoration: none;
  margin-bottom: var(--space-4);
}
.mobile-nav-phone .btn-call {
  width: 100%;
  justify-content: center;
  padding: var(--space-4);
  font-size: var(--text-base);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  background: linear-gradient(rgba(0, 30, 92, 0.82), rgba(0, 20, 60, 0.88)), url('./assets/hero-ductwork.jpg') center/cover no-repeat;
  color: white;
  padding: clamp(var(--space-12), 8vw, var(--space-24)) var(--space-4);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 60%; height: 200%;
  display: none;
  pointer-events: none;
}
.hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-6);
  color: rgba(255,255,255,0.9);
}
.hero-badge svg { width: 16px; height: 16px; color: #fbbf24; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-3xl);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
  max-width: 18ch;
}
.hero h1 .accent { color: #ef5350; }
.hero-sub {
  font-size: var(--text-lg);
  line-height: 1.5;
  max-width: 58ch;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-8);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-cta);
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  min-height: 48px;
  border: none;
}
.btn-primary:hover { background: var(--color-cta-hover); }
.btn-primary:active { background: var(--color-cta-active); }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: white;
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 1.5px solid rgba(255,255,255,0.3);
  min-height: 48px;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); }

/* ========================================
   EMERGENCY BANNER
   ======================================== */
.emergency-banner {
  background: var(--color-accent);
  color: white;
  padding: var(--space-3) var(--space-4);
  text-align: center;
}
.emergency-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.emergency-banner p { font-weight: 700; font-size: var(--text-sm); }
.emergency-banner a {
  color: white;
  font-weight: 800;
  font-family: var(--font-display);
  font-size: var(--text-base);
  text-decoration: none;
}
.emergency-banner a:hover { text-decoration: underline; }

/* ========================================
   SECTIONS GENERAL
   ======================================== */
.section {
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4);
}
.section-alt { background: var(--color-surface); }
.section-navy { background: var(--color-primary); color: white; }
.section-inner { max-width: var(--content-wide); margin: 0 auto; }
.section-header { margin-bottom: clamp(var(--space-8), 4vw, var(--space-12)); }
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-navy .section-label { color: rgba(255,255,255,0.7); }
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.1;
}
.section-navy .section-title { color: white; }
.section-subtitle {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 60ch;
}
.section-navy .section-subtitle { color: rgba(255,255,255,0.75); }

/* ========================================
   SERVICE CARDS
   ======================================== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
}
.service-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.service-card-icon {
  width: 48px; height: 48px;
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}
.service-card-icon svg { width: 24px; height: 24px; }
.service-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: var(--space-6);
  flex: 1;
}
.service-card .card-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
}
.btn-link:hover { color: var(--color-primary-light); }
.btn-link svg { width: 18px; height: 18px; }

/* ========================================
   STATS ROW
   ======================================== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .stats-row { grid-template-columns: repeat(4, 1fr); }
}
.stat-item { text-align: center; padding: var(--space-6) var(--space-4); }
.stat-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.section-navy .stat-number { color: white; }
.stat-label { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: 500; }
.section-navy .stat-label { color: rgba(255,255,255,0.7); }

/* ========================================
   STORY LAYOUT (2-column)
   ======================================== */
.story-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .story-layout { grid-template-columns: 1fr 1fr; gap: var(--space-12); }
}
.story-content h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.story-content p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.7;
}
.story-content .highlight { font-weight: 700; color: var(--color-text); }
.story-visual {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  text-align: center;
  border: 1px solid var(--color-divider);
}
.story-visual .big-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-3xl);
  color: var(--color-primary);
  line-height: 1;
}
.story-visual .big-label {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-top: var(--space-2);
}
.story-visual .big-sub {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

/* ========================================
   HIDDEN PROBLEM / TEXT HIGHLIGHT SECTION
   ======================================== */
.highlight-box {
  background: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-6) var(--space-8);
  margin: var(--space-6) 0;
}
.highlight-box p {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  font-weight: 500;
}

/* ========================================
   BRANDS WE TRUST
   ======================================== */
.brands-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .brands-grid { grid-template-columns: repeat(3, 1fr); }
}
.brand-card {
  padding: var(--space-6);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  background: white;
}
.brand-card h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-base);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.brand-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.brand-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* ========================================
   TESTIMONIALS / REVIEWS
   ======================================== */
.testimonial-placeholder {
  text-align: center;
  padding: var(--space-10);
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  border: 2px dashed var(--color-divider);
}
.testimonial-placeholder h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.testimonial-placeholder p {
  color: var(--color-text-muted);
  margin: 0 auto;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
  background: var(--color-primary);
  color: white;
  padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4);
  text-align: center;
}
.cta-inner { max-width: var(--content-default); margin: 0 auto; }
.cta-section h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}
.cta-section p {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.8);
  margin: 0 auto var(--space-8);
  max-width: 50ch;
}
.cta-section .btn-primary {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: #0a0f1a;
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) var(--space-4) var(--space-8);
}
.footer-inner { max-width: var(--content-wide); margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.footer-brand img { height: 48px; width: auto; border-radius: var(--radius-sm); }
.footer-brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: white;
  line-height: 1.1;
}
.footer-brand-text span { color: var(--color-accent); }
.footer-tagline {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  font-style: italic;
  margin-bottom: var(--space-4);
}
.footer-contact p { font-size: var(--text-sm); margin-bottom: var(--space-2); }
.footer-contact a { color: rgba(255,255,255,0.8); text-decoration: none; }
.footer-contact a:hover { color: white; }
.footer-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-links a { font-size: var(--text-sm); color: rgba(255,255,255,0.6); text-decoration: none; }
.footer-links a:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-bottom p { font-size: var(--text-xs); color: rgba(255,255,255,0.4); }

/* ========================================
   PRICING CARDS & TABLES
   ======================================== */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}
.pricing-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.pricing-card.featured {
  border-color: var(--color-primary);
  border-width: 2px;
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: 0; left: 0; right: 0;
  background: var(--color-primary);
  color: white;
  text-align: center;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.pricing-card.featured .pricing-card-header { padding-top: var(--space-6); }
.pricing-card-header {
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}
.pricing-tier {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.pricing-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-primary);
}
.pricing-price span { font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); }
.pricing-desc { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-2); }
.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex: 1;
}
.pricing-features li {
  font-size: var(--text-sm);
  color: var(--color-text);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.pricing-features li svg {
  width: 18px; height: 18px;
  color: var(--color-cta);
  flex-shrink: 0;
  margin-top: 2px;
}
.pricing-card .btn-primary,
.pricing-card .btn-outline { width: 100%; justify-content: center; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  text-decoration: none;
  border: 2px solid var(--color-primary);
  min-height: 48px;
}
.btn-outline:hover { background: var(--color-primary); color: white; }

/* Data tables */
.data-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.data-table thead th {
  background: var(--color-surface);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 2px solid var(--color-divider);
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}
.data-table tbody tr:hover { background: var(--color-surface); }
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

/* Responsive tables */
@media (max-width: 640px) {
  .data-table thead { display: none; }
  .data-table tbody tr {
    display: block;
    padding: var(--space-4);
    border-bottom: 2px solid var(--color-divider);
  }
  .data-table td {
    display: flex;
    justify-content: space-between;
    padding: var(--space-2) 0;
    border-bottom: none;
    font-size: var(--text-sm);
  }
  .data-table td::before {
    content: attr(data-label);
    font-weight: 700;
    color: var(--color-text);
    margin-right: var(--space-4);
  }
}

/* ========================================
   WHY US PAGE
   ======================================== */
.analogy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .analogy-grid { grid-template-columns: 1fr 1fr; }
}
.analogy-card {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--color-divider);
}
.analogy-card h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}
.analogy-card p { font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.65; }
.analogy-card .bad { color: var(--color-accent); }
.analogy-card .good { color: var(--color-cta); }

.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .compare-grid { grid-template-columns: 1fr 1fr; }
}
.compare-block { border-radius: var(--radius-xl); padding: var(--space-8); }
.compare-block.them { background: #fef2f2; border: 1px solid #fecaca; }
.compare-block.us { background: #f0fdf4; border: 1px solid #bbf7d0; }
.compare-block h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}
.compare-block.them h3 { color: var(--color-accent); }
.compare-block.us h3 { color: var(--color-cta); }
.compare-block ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.compare-block li { font-size: var(--text-sm); display: flex; align-items: flex-start; gap: var(--space-2); }
.compare-block li svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.compare-block.them li svg { color: var(--color-accent); }
.compare-block.us li svg { color: var(--color-cta); }

/* Comparison table for why-us */
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th, .compare-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-sm);
  border-bottom: 1px solid var(--color-divider);
}
.compare-table thead th {
  background: var(--color-surface);
  font-weight: 700;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}
.compare-table td:first-child { font-weight: 600; color: var(--color-cta); }
.compare-table td:last-child { color: var(--color-text-muted); }

/* Stat callout */
.stat-callout {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
}
.stat-callout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .stat-callout-grid { grid-template-columns: repeat(3, 1fr); }
}
.stat-callout-item { text-align: center; }
.stat-callout-item .num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-callout-item .label { font-size: var(--text-sm); color: rgba(255,255,255,0.7); }

/* ========================================
   FORMS
   ======================================== */
.form-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  border-bottom: 2px solid var(--color-divider);
  overflow-x: auto;
}
.form-tab {
  padding: var(--space-3) var(--space-6);
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  cursor: pointer;
  background: none;
  border-left: none; border-right: none; border-top: none;
}
.form-tab.active { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.form-tab:hover:not(.active) { color: var(--color-text); }
.form-panel { display: none; }
.form-panel.active { display: block; }

.form-group { margin-bottom: var(--space-5); }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  background: white;
  color: var(--color-text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 48, 135, 0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group .hint { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-1); }

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 768px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  margin-top: var(--space-8);
}
.form-section-title:first-of-type { margin-top: 0; }

.price-estimator {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-top: var(--space-6);
  border: 1px solid var(--color-divider);
}
.price-estimator h4 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.price-estimate-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-cta);
}
.price-estimate-note {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}
.price-detail {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-submit-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}
.form-submit-row .btn-primary {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-8);
}

/* ========================================
   REVIEWS / STAR RATING
   ======================================== */
.star-rating {
  display: flex;
  gap: var(--space-1);
  flex-direction: row-reverse;
  justify-content: flex-end;
}
.star-rating input { display: none; }
.star-rating label {
  cursor: pointer;
  color: var(--color-border);
  font-size: 2rem;
}
.star-rating input:checked + label,
.star-rating input:checked + label ~ label { color: #fbbf24; }
.star-rating label:hover,
.star-rating label:hover ~ label { color: #fbbf24 !important; }

/* ========================================
   PAGE HERO (Interior pages)
   ======================================== */
.page-hero {
  background: #003087;
  color: white;
  padding: clamp(var(--space-10), 5vw, var(--space-16)) var(--space-4);
}
.page-hero-inner { max-width: var(--content-wide); margin: 0 auto; }
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-2xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}
.page-hero p { font-size: var(--text-base); color: rgba(255,255,255,0.8); max-width: 55ch; }

/* ========================================
   CONTENT BLOCKS
   ======================================== */
.content-block {
  padding: clamp(var(--space-10), 5vw, var(--space-16)) 0;
  border-bottom: 1px solid var(--color-divider);
}
.content-block:last-of-type { border-bottom: none; }
.content-block h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.content-block h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.content-block p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.content-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.content-block li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-left: var(--space-6);
  position: relative;
}
.content-block li::before {
  content: '';
  position: absolute;
  left: 0; top: 8px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ========================================
   UTILITIES
   ======================================== */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-cta { color: var(--color-cta); }
.fw-800 { font-weight: 800; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

/* Guarantee badge */
.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-primary);
  color: white;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
}
.guarantee-badge svg { width: 28px; height: 28px; flex-shrink: 0; }

/* Blockquote */
.blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.blockquote p {
  font-style: italic;
  font-size: var(--text-base);
  color: var(--color-text);
  font-weight: 500;
}

/* Baker's Dozen card */
.bakers-dozen {
  background: #fef9c3;
  border: 2px solid #fbbf24;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
}
.bakers-dozen h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: #92400e;
  margin-bottom: var(--space-3);
}
.bakers-dozen p { color: #78350f; margin: 0 auto; }

/* Racetrack visual */
.racetrack-visual {
  background: var(--color-surface);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  text-align: center;
  margin-bottom: var(--space-8);
  border: 1px solid var(--color-divider);
}

/* ========================================
   SCROLL ANIMATIONS — lightweight
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
  .fade-up {
    opacity: 0;
    transform: translateY(20px);
    transition: none;
  }
  .fade-up.visible {
    opacity: 1;
    transform: translateY(0);
  }
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; }
}

/* Checkbox-style list items */
.checklist { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.checklist li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding-left: 0;
}
.checklist li::before { display: none; }
.checklist li svg {
  width: 18px; height: 18px;
  color: var(--color-cta);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ========================================
   IMAGE COMPONENTS
   ======================================== */
.comparison-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}
.comparison-images figure {
  margin: 0;
}
.comparison-images img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}
.comparison-images figcaption {
  text-align: center;
  font-weight: 700;
  padding: var(--space-3) 0;
  font-size: var(--text-sm);
}
.comparison-images .good figcaption { color: var(--color-cta); }
.comparison-images .bad figcaption { color: var(--color-accent); }
.section-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--space-6) 0;
}
@media (max-width: 600px) {
  .comparison-images { grid-template-columns: 1fr; }
}

/* ========================================
   STAT BARS (The Numbers page)
   ======================================== */
.stat-bar-container { margin: var(--space-3) 0; }
.stat-bar-label { display: flex; justify-content: space-between; font-size: var(--text-sm); margin-bottom: var(--space-1); }
.stat-bar { height: 28px; border-radius: var(--radius-md); position: relative; }
.stat-bar-fill { height: 100%; border-radius: var(--radius-md); display: flex; align-items: center; padding-left: var(--space-3); color: white; font-weight: 700; font-size: var(--text-sm); min-width: 36px; }
.stat-bar-fill.industry { background: #94a3b8; }
.stat-bar-fill.polar { background: var(--color-cta); }

/* ========================================
   CHART BARS (The Numbers page - visual charts)
   ======================================== */
.chart-container { max-width: 700px; margin: var(--space-6) auto; }
.chart-bar { margin-bottom: var(--space-3); }
.chart-bar-fill {
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  min-width: 120px;
}
.chart-bar-label-row {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
  font-weight: 600;
}

/* Big numbers for callout grids */
.data-callout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}
.data-callout {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
}
.data-callout .big-number {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  font-family: var(--font-display);
  line-height: 1.1;
}
.data-callout .big-number-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* Comparison bars (Utah vs National etc.) */
.comparison-bar-group { margin: var(--space-4) 0; }
.comparison-bar-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.comparison-bar-title {
  min-width: 120px;
  font-size: var(--text-sm);
  font-weight: 600;
  text-align: right;
}
.comparison-bar-track {
  flex: 1;
  height: 32px;
  border-radius: var(--radius-md);
  position: relative;
}
.comparison-bar-value {
  font-size: var(--text-sm);
  font-weight: 700;
  min-width: 80px;
}

/* Savings table */
.savings-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
}
.savings-table th,
.savings-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-sm);
}
.savings-table th {
  font-weight: 700;
  border-bottom: 2px solid var(--color-divider);
}
.savings-table td {
  border-bottom: 1px solid var(--color-divider);
}
.savings-table .savings-amount {
  color: var(--color-cta);
  font-weight: 700;
}

/* Duct leakage visual */
.duct-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-divider);
  margin: var(--space-6) 0;
  max-width: 100%;
  overflow: hidden;
}
.duct-visual-bar {
  width: 100%;
  height: 40px;
  border-radius: var(--radius-md);
  position: relative;
  display: flex;
  overflow: hidden;
}
.duct-visual-bar .used {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-sm);
  font-size: var(--text-xs);
}
.duct-visual-bar .wasted {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: var(--text-xs);
}
@media (max-width: 600px) {
  .duct-visual { flex-direction: column; text-align: center; }
  .duct-visual-bar { width: 100%; }
  .comparison-bar-row { flex-direction: column; align-items: stretch; }
  .comparison-bar-title { text-align: left; min-width: auto; }
  .data-callout-grid { grid-template-columns: 1fr 1fr; }
}

/* Oversizing problem list */
.problem-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}
.problem-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-base);
}
.problem-list li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #dc2626;
  margin-top: 6px;
}

/* PERFORMANCE: Layout containment for smooth scrolling */
.hero, .section, .services-section, .pricing-section, .comparison-section,
.stats-section, .brands-section, .snowball-section, .cta-section,
.problem-section, .guarantee-section { contain: content; }
section { contain: layout style; }

/* ========================================
   THE NUMBERS PAGE — ADDITIONAL STYLES
   ======================================== */

/* Data tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-4) 0;
  font-size: var(--text-sm);
}
.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--color-divider);
}
.data-table th {
  font-weight: 700;
  border-bottom: 2px solid var(--color-border);
  background: var(--color-surface-2);
  white-space: nowrap;
}
.data-table td { vertical-align: top; }
.data-table tbody tr:hover { background: var(--color-surface); }
.text-green { color: var(--color-cta); font-weight: 600; }
.text-red { color: #dc2626; font-weight: 600; }

/* Table scroll wrapper */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: var(--space-4) 0; }
.table-scroll .data-table { min-width: 600px; }

/* The Numbers page subheadings */
.tn-subhead {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

/* The Numbers notes/small text */
.tn-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  line-height: 1.6;
}

/* The Numbers body text */
.tn-body-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  max-width: 75ch;
}
.tn-body-text strong { color: var(--color-text); }

/* Proof Grid — Thermostat Photos */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-4);margin:var(--space-6) 0}
.proof-grid figure{margin:0;text-align:center}
.proof-grid img{width:100%;height:auto;border-radius:var(--radius-lg);border:2px solid var(--color-divider)}
.proof-grid figcaption{font-weight:700;font-size:var(--text-sm);padding:var(--space-2) 0;color:var(--color-primary)}
.section-navy .proof-grid figcaption{color:#fff}
@media(max-width:768px){.proof-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.proof-grid{grid-template-columns:1fr;max-width:300px;margin-left:auto;margin-right:auto}}

/* Check list for Utah advantage */
.tn-check-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}
.tn-check-list li {
  padding: var(--space-2) 0;
  padding-left: var(--space-8);
  position: relative;
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.6;
}
.tn-check-list li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-cta);
  font-weight: 700;
  font-size: var(--text-lg);
}


/* Proof Grid - Uniform Image Display */
.proof-grid figure img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-divider);
}

.proof-grid figure {
  margin: 0;
  text-align: center;
}

.proof-grid figcaption {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
  font-weight: 600;
}

/* Runtime images responsive */
@media (max-width: 640px) {
  .runtime-images {
    grid-template-columns: 1fr !important;
  }
}

/* Proof grid responsive */
@media (max-width: 900px) {
  .proof-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}

@media (max-width: 540px) {
  .proof-grid {
    grid-template-columns: 1fr !important;
  }
}