/* ============================================================
   HVACTRADE.NET — Design System
   Inspired by Google LSA: clean, white, generous spacing,
   rounded cards, blue primary, orange accent CTAs
   Mobile-first | Performance-optimized | SEO-ready
   ============================================================ */

/* === CUSTOM PROPERTIES === */
:root {
  /* Brand Colors — Google-inspired palette */
  --blue:        #1a73e8;   /* Google blue */
  --blue-dark:   #1557b0;
  --blue-light:  #4285f4;
  --blue-pale:   #e8f0fe;   /* Google blue tint background */
  --orange:      #fa7b17;   /* Accent / CTA */
  --orange-dark: #e06c10;
  --orange-pale: #fef3e2;
  --green:       #34a853;   /* Google green */
  --green-pale:  #e6f4ea;
  --red:         #d93025;
  --white:       #ffffff;
  --gray-50:     #f8f9fa;   /* Google light gray */
  --gray-100:    #f1f3f4;
  --gray-200:    #e8eaed;
  --gray-border: #dadce0;   /* Google border gray */
  --gray-400:    #9aa0a6;
  --gray-500:    #80868b;
  --gray-600:    #5f6368;   /* Google body text */
  --gray-800:    #3c4043;   /* Google dark text */
  --navy:        #202124;   /* Google near-black */

  /* Typography */
  --font: 'Google Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing Scale */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;

  /* Container */
  --container: 1200px;
  --container-narrow: 800px;

  /* Radius — Google uses generous rounding */
  --radius-sm: 8px;
  --radius:    16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 100px;

  /* Shadows — Google uses very subtle shadows */
  --shadow-xs: 0 1px 2px rgba(60,64,67,0.1), 0 1px 3px rgba(60,64,67,0.08);
  --shadow-sm: 0 1px 3px rgba(60,64,67,0.12), 0 2px 8px rgba(60,64,67,0.08);
  --shadow:    0 2px 6px rgba(60,64,67,0.15), 0 4px 20px rgba(60,64,67,0.1);
  --shadow-lg: 0 4px 12px rgba(60,64,67,0.15), 0 8px 40px rgba(60,64,67,0.12);
  --shadow-blue: 0 2px 8px rgba(26,115,232,0.3);
  --shadow-orange: 0 2px 8px rgba(250,123,23,0.35);

  /* Transitions */
  --trans: 0.2s ease;
  --trans-slow: 0.35s ease;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--white);
  color: var(--gray-800);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font);
  font-weight: 600;
  line-height: 1.25;
  color: var(--navy);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.1rem; font-weight: 600; }
p  { max-width: 70ch; line-height: 1.7; }
.lead {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--gray-600);
  line-height: 1.75;
}

/* === LAYOUT === */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}
.container--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

/* Section spacing — Google uses 80-100px */
.section { padding: var(--sp-20) 0; }
.section--sm { padding: var(--sp-12) 0; }
.section--lg { padding: var(--sp-24) 0; }

/* Section backgrounds — alternating like Google */
.section--white { background: var(--white); }
.section--gray  { background: var(--gray-50); }
.section--blue  { background: var(--blue-pale); }
.section--dark  { background: var(--navy); }
.section--dark h2, .section--dark h3, .section--dark h4 { color: var(--white); }
.section--dark p, .section--dark .lead { color: rgba(255,255,255,0.75); }

/* Grids */
.grid-2 { display: grid; gap: var(--sp-6); grid-template-columns: 1fr; }
.grid-3 { display: grid; gap: var(--sp-5); grid-template-columns: 1fr; }
.grid-4 { display: grid; gap: var(--sp-4); grid-template-columns: repeat(2, 1fr); }

@media (min-width: 640px)  { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px)  { .grid-2 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .grid-4 { grid-template-columns: repeat(4, 1fr); } }

.flex           { display: flex; }
.flex-center    { display: flex; align-items: center; justify-content: center; }
.flex-between   { display: flex; align-items: center; justify-content: space-between; }
.flex-col       { flex-direction: column; }
.flex-wrap      { flex-wrap: wrap; }
.items-center   { align-items: center; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.gap-8 { gap: var(--sp-8); }

.text-center { text-align: center; }
.mx-auto     { margin-left: auto; margin-right: auto; }

/* Margins */
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); }
.mt-8 { margin-top: var(--sp-8); }
.mt-10{ margin-top: var(--sp-10);}
.mb-2 { margin-bottom: var(--sp-2); }
.mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }
.mb-8 { margin-bottom: var(--sp-8); }
.mb-10{ margin-bottom: var(--sp-10);}
.mb-12{ margin-bottom: var(--sp-12);}

/* === SECTION HEADERS === */
.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--sp-3);
}
.eyebrow--orange { color: var(--orange); }
.section-title { margin-bottom: var(--sp-4); }
.section-sub {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 60ch;
}
.section-header { margin-bottom: var(--sp-12); }
.section-header.text-center .section-sub { margin: 0 auto; }

/* === BUTTONS — Google style === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--trans);
  white-space: nowrap;
  line-height: 1;
  min-height: 48px;
  letter-spacing: 0.01em;
}
/* Google's filled blue button */
.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 4px 16px rgba(26,115,232,0.4);
  transform: translateY(-1px);
}
/* Orange CTA — stands out against blue page */
.btn-cta {
  background: var(--orange);
  color: var(--white);
  box-shadow: var(--shadow-orange);
}
.btn-cta:hover {
  background: var(--orange-dark);
  box-shadow: 0 4px 16px rgba(250,123,23,0.45);
  transform: translateY(-1px);
}
/* Google's outlined button */
.btn-outline {
  border: 1.5px solid var(--gray-border);
  color: var(--blue);
  background: var(--white);
}
.btn-outline:hover {
  background: var(--blue-pale);
  border-color: var(--blue);
}
.btn-outline-white {
  border: 1.5px solid rgba(255,255,255,0.6);
  color: var(--white);
  background: transparent;
}
.btn-outline-white:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}
/* Text link button */
.btn-text {
  color: var(--blue);
  padding: 0.75rem 1rem;
  background: transparent;
}
.btn-text:hover { background: var(--blue-pale); border-radius: var(--radius-pill); }

.btn-lg { padding: 1rem 2rem; font-size: 1.05rem; min-height: 56px; }
.btn-sm { padding: 0.5rem 1.25rem; font-size: 0.875rem; min-height: 40px; }

/* === NAVIGATION — Google style === */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
  box-shadow: var(--shadow-xs);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--sp-4);
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  flex-shrink: 0;
}
.nav__logo .logo-accent { color: var(--blue); }
.nav__logo .logo-dot    { color: var(--orange); }
.nav__links {
  display: none;
  align-items: center;
  gap: var(--sp-1);
  flex: 1;
  justify-content: center;
}
.nav__item { position: relative; }
.nav__link {
  padding: var(--sp-2) var(--sp-3);
  color: var(--gray-600);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--trans);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}
.nav__link:hover { color: var(--blue); background: var(--blue-pale); }
.nav__link.active { color: var(--blue); font-weight: 600; }

/* Dropdown */
.nav__item:hover .nav__dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: var(--sp-2);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all var(--trans);
  box-shadow: var(--shadow-lg);
}
.nav__dropdown a {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  color: var(--gray-800);
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: all var(--trans);
}
.nav__dropdown a:hover { background: var(--gray-50); color: var(--blue); }
.nav__dropdown-label {
  padding: var(--sp-3) var(--sp-3) var(--sp-1);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}

.nav__actions { display: flex; align-items: center; gap: var(--sp-2); flex-shrink: 0; }
.nav__burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  border-radius: var(--radius-sm);
  transition: background var(--trans);
}
.nav__burger:hover { background: var(--gray-100); }
.nav__burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-600);
  border-radius: 2px;
  transition: all var(--trans);
}

/* Mobile drawer */
.nav__mobile {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-border);
  overflow-y: auto;
  padding: var(--sp-4);
  z-index: 999;
}
.nav__mobile.open { display: block; }
.nav__mobile a {
  display: block;
  padding: var(--sp-3) var(--sp-4);
  color: var(--gray-800);
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--trans);
  font-size: 0.95rem;
}
.nav__mobile a:hover { background: var(--blue-pale); color: var(--blue); }
.mobile-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  padding: var(--sp-4) var(--sp-4) var(--sp-1);
}

@media (min-width: 1024px) {
  .nav__links { display: flex; }
  .nav__burger { display: none; }
}

/* === HERO — Google LSA style === */
.hero {
  background: var(--white);
  padding: var(--sp-20) 0 var(--sp-24);
  overflow: hidden;
}
/* Optional: hero with gray background like Google */
.hero--gray { background: var(--gray-50); }
/* Dark hero for impact */
.hero--dark {
  background: #1c2b4a;
  background-image: linear-gradient(135deg, #1c2b4a 0%, #0d1b35 100%);
}
.hero--dark h1 { color: var(--white); }
.hero--dark .lead { color: rgba(255,255,255,0.8); }

.hero__inner {
  display: grid;
  gap: var(--sp-12);
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--sp-4);
}
.hero__title {
  margin-bottom: var(--sp-5);
  color: var(--navy);
}
.hero__title em   { font-style: normal; color: var(--blue); }
.hero__title mark { background: none; color: var(--orange); font-style: normal; }
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--gray-600);
  line-height: 1.75;
  margin-bottom: var(--sp-8);
  max-width: 55ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-bottom: var(--sp-8);
}
.hero__trust {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-5);
  font-size: 0.85rem;
  color: var(--gray-500);
}
.hero__trust-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-weight: 500;
}
.hero__trust-item .check {
  width: 18px;
  height: 18px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  font-weight: 800;
  flex-shrink: 0;
}
/* Hero visual panel */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__mockup {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--sp-6);
  max-width: 420px;
  width: 100%;
}
.hero__mockup-header {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--gray-200);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dot  { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot:nth-child(1) { background: #ff5f57; }
.mockup-dot:nth-child(2) { background: #febc2e; }
.mockup-dot:nth-child(3) { background: #28c840; }
.mockup-bar {
  flex: 1;
  height: 28px;
  background: var(--gray-100);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  padding: 0 var(--sp-3);
  font-size: 0.78rem;
  color: var(--gray-400);
}

@media (min-width: 900px) {
  .hero__inner { grid-template-columns: 1fr 1fr; }
}

/* === STATS BAR === */
.stats-bar {
  background: var(--blue-pale);
  border-top: 1px solid rgba(26,115,232,0.1);
  border-bottom: 1px solid rgba(26,115,232,0.1);
  padding: var(--sp-10) 0;
}
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-6);
  text-align: center;
}
.stat-number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--blue);
  display: block;
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.88rem;
  color: var(--gray-600);
  margin-top: var(--sp-1);
}
@media (min-width: 640px) { .stats-bar__grid { grid-template-columns: repeat(4, 1fr); } }

/* === CARDS — Google style === */
/* Feature card */
.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  transition: all var(--trans);
}
.card:hover {
  box-shadow: var(--shadow);
  border-color: var(--blue);
  transform: translateY(-2px);
}
.card--blue {
  background: var(--blue-pale);
  border-color: rgba(26,115,232,0.2);
}
.card--orange {
  background: var(--orange-pale);
  border-color: rgba(250,123,23,0.2);
}
.card--shadow { border: none; box-shadow: var(--shadow-sm); }
.card--shadow:hover { box-shadow: var(--shadow-lg); }
.card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-4);
  font-size: 1.6rem;
}
.card__icon--orange { background: var(--orange-pale); }
.card__icon--green  { background: var(--green-pale); }
.card__icon--blue   { background: var(--blue-pale); }
.card__title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--sp-2);
}
.card__text {
  font-size: 0.92rem;
  color: var(--gray-600);
  line-height: 1.65;
}
.card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  color: var(--blue);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: var(--sp-4);
  transition: gap var(--trans);
}
.card__link:hover { gap: var(--sp-2); }
.card__link::after { content: '→'; }

/* Industry card — Google chip style */
.industry-card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  transition: all var(--trans);
  color: var(--gray-800);
}
.industry-card:hover {
  border-color: var(--blue);
  background: var(--blue-pale);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
  color: var(--blue);
}
.industry-card__icon { font-size: 1.6rem; flex-shrink: 0; }
.industry-card__info { flex: 1; min-width: 0; }
.industry-card__name { font-weight: 600; font-size: 0.95rem; }
.industry-card__tag  { font-size: 0.78rem; color: var(--gray-500); margin-top: 2px; }
.industry-card:hover .industry-card__tag { color: var(--blue-dark); }
.industry-card__arrow { color: var(--gray-400); font-size: 1rem; transition: transform var(--trans); }
.industry-card:hover .industry-card__arrow { transform: translateX(4px); color: var(--blue); }

/* Service card */
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--sp-6);
  border: 1px solid var(--gray-border);
  transition: all var(--trans);
}
.service-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--blue); }

/* Result card */
.result-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  color: var(--white);
}
.result-card__metric {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.02em;
  display: block;
}
.result-card__label { font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-top: var(--sp-1); }
.result-card__desc  { font-size: 0.88rem; color: rgba(255,255,255,0.5); margin-top: var(--sp-3); }

/* === PROCESS STEPS === */
.process-steps { display: grid; gap: var(--sp-6); }
.process-step  { display: flex; gap: var(--sp-5); align-items: flex-start; }
.process-step__num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-blue);
  margin-top: 2px;
}
.process-step__title { font-weight: 600; font-size: 1.05rem; color: var(--navy); margin-bottom: var(--sp-2); }
.process-step__text  { font-size: 0.93rem; color: var(--gray-600); line-height: 1.65; }

/* === CHECKLIST === */
.checklist { display: grid; gap: var(--sp-3); }
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.5;
}
.checklist-item .check-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  margin-top: 1px;
}

/* === TESTIMONIALS === */
.testimonial {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  transition: all var(--trans);
}
.testimonial:hover { box-shadow: var(--shadow); border-color: var(--blue); }
.testimonial__stars { color: #fbbc04; font-size: 1rem; letter-spacing: 3px; margin-bottom: var(--sp-4); }
.testimonial__text {
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: var(--sp-5);
}
.testimonial__author { display: flex; align-items: center; gap: var(--sp-3); }
.testimonial__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}
.testimonial__name { font-weight: 600; font-size: 0.95rem; color: var(--navy); }
.testimonial__biz  { font-size: 0.82rem; color: var(--gray-500); }

/* === FAQ — Google expandable style === */
.faq-list { border: 1px solid var(--gray-border); border-radius: var(--radius-lg); overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--gray-border); }
.faq-item:last-child { border-bottom: none; }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: var(--sp-5) var(--sp-6);
  gap: var(--sp-4);
  transition: background var(--trans);
}
.faq-question:hover { background: var(--gray-50); }
.faq-question h4 { color: var(--navy); font-size: 0.98rem; font-weight: 600; flex: 1; }
.faq-toggle {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--blue);
  transition: transform var(--trans);
  line-height: 1;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 var(--sp-6) var(--sp-5);
  font-size: 0.93rem;
  color: var(--gray-600);
  line-height: 1.75;
}
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-question { background: var(--gray-50); }

/* === CTA BAND === */
.cta-band {
  background: var(--navy);
  padding: var(--sp-16) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,115,232,0.3) 0%, transparent 60%);
  pointer-events: none;
}
.cta-band h2 { color: var(--white); position: relative; }
.cta-band p  { color: rgba(255,255,255,0.72); margin: var(--sp-4) auto var(--sp-8); position: relative; max-width: 55ch; font-size: 1.1rem; }
.cta-band .cta-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: center; position: relative; }

/* === CONTACT FORM === */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--sp-8);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-border);
}
.form-group { margin-bottom: var(--sp-4); }
.form-label {
  display: block;
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--sp-2);
}
.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--gray-800);
  transition: border-color var(--trans), box-shadow var(--trans);
  background: var(--white);
}
.form-input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,115,232,0.12);
}
.form-input::placeholder { color: var(--gray-400); }
select.form-input { cursor: pointer; }
textarea.form-input { resize: vertical; min-height: 110px; }
.form-2col { display: grid; gap: var(--sp-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-2col { grid-template-columns: 1fr 1fr; } }

/* === PAGE HERO (inner pages) === */
.page-hero {
  background: var(--navy);
  padding: var(--sp-16) 0 var(--sp-20);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -150px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(26,115,232,0.2) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero__breadcrumb {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--sp-5);
}
.page-hero__breadcrumb a { color: rgba(255,255,255,0.72); }
.page-hero__breadcrumb a:hover { color: var(--white); }
.page-hero__breadcrumb span { margin: 0 var(--sp-2); }
.page-hero h1 { color: var(--white); margin-bottom: var(--sp-4); }
.page-hero .lead { color: rgba(255,255,255,0.78); max-width: 65ch; }
.page-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-6);
}
.page-hero__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.15);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
}
.page-hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-8); }

/* === CONTENT PROSE (long-form) === */
.prose h2 {
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  margin: var(--sp-12) 0 var(--sp-4);
  color: var(--navy);
}
.prose h3 {
  font-size: 1.2rem;
  margin: var(--sp-8) 0 var(--sp-3);
  color: var(--navy);
}
.prose p { margin-bottom: var(--sp-4); color: var(--gray-700); font-size: 1rem; line-height: 1.8; }
.prose ul, .prose ol { margin: var(--sp-4) 0 var(--sp-5) var(--sp-6); }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: var(--sp-2); color: var(--gray-700); line-height: 1.7; }
.prose strong { color: var(--navy); font-weight: 700; }
.prose a { color: var(--blue); text-decoration: underline; text-decoration-color: rgba(26,115,232,0.3); }
.prose a:hover { text-decoration-color: var(--blue); }
.prose blockquote {
  border-left: 4px solid var(--blue);
  margin: var(--sp-6) 0;
  padding: var(--sp-4) var(--sp-6);
  background: var(--blue-pale);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--gray-700);
}

/* === HIGHLIGHT BOX === */
.callout {
  border-radius: var(--radius);
  padding: var(--sp-5) var(--sp-6);
  margin: var(--sp-6) 0;
  border: 1px solid;
}
.callout--blue   { background: var(--blue-pale);   border-color: rgba(26,115,232,0.25);  color: var(--navy); }
.callout--orange { background: var(--orange-pale);  border-color: rgba(250,123,23,0.25);  color: var(--navy); }
.callout--green  { background: var(--green-pale);   border-color: rgba(52,168,83,0.25);   color: var(--navy); }
.callout__title  { font-weight: 700; margin-bottom: var(--sp-2); font-size: 0.95rem; }

/* === TAGS / CHIPS === */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--gray-border);
  background: var(--white);
  color: var(--gray-700);
}
.chip--blue   { background: var(--blue-pale);   border-color: rgba(26,115,232,0.2);  color: var(--blue); }
.chip--orange { background: var(--orange-pale);  border-color: rgba(250,123,23,0.2);  color: var(--orange); }
.chip--green  { background: var(--green-pale);   border-color: rgba(52,168,83,0.2);   color: var(--green); }

/* === BREADCRUMB === */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-1);
  font-size: 0.85rem;
  color: var(--gray-500);
  padding: var(--sp-3) 0;
}
.breadcrumb a { color: var(--blue); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: var(--gray-400); }

/* === FOOTER — clean, Google-style === */
.footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-border);
  padding: var(--sp-16) 0 var(--sp-8);
  color: var(--gray-600);
}
.footer__grid {
  display: grid;
  gap: var(--sp-10);
  grid-template-columns: 1fr;
  margin-bottom: var(--sp-12);
}
.footer__logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--sp-3);
}
.footer__logo .logo-accent { color: var(--blue); }
.footer__logo .logo-dot    { color: var(--orange); }
.footer__tagline { font-size: 0.9rem; line-height: 1.65; max-width: 30ch; color: var(--gray-600); }
.footer__contact { margin-top: var(--sp-4); font-size: 0.88rem; display: grid; gap: var(--sp-2); }
.footer__contact a { color: var(--blue); }
.footer__heading {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: var(--sp-4);
}
.footer__links { display: grid; gap: var(--sp-2); }
.footer__links a { font-size: 0.88rem; color: var(--gray-600); transition: color var(--trans); }
.footer__links a:hover { color: var(--blue); }
.footer__bottom {
  border-top: 1px solid var(--gray-border);
  padding-top: var(--sp-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  align-items: center;
  font-size: 0.83rem;
  color: var(--gray-500);
}
.footer__bottom-links { display: flex; gap: var(--sp-4); flex-wrap: wrap; }
.footer__bottom-links a { color: var(--gray-500); }
.footer__bottom-links a:hover { color: var(--blue); }
@media (min-width: 640px)  { .footer__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

/* === SPLIT LAYOUT (text + visual) === */
.split {
  display: grid;
  gap: var(--sp-12);
  align-items: center;
}
.split--reverse .split__visual { order: -1; }
@media (min-width: 900px) {
  .split { grid-template-columns: 1fr 1fr; }
  .split--6040 { grid-template-columns: 6fr 4fr; }
  .split--reverse .split__visual { order: 0; }
}
.split__visual { display: flex; justify-content: center; align-items: center; }

/* === GBP MOCKUP (decorative) === */
.gbp-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-border);
  padding: var(--sp-5);
  max-width: 360px;
  width: 100%;
}
.gbp-card__header { display: flex; gap: var(--sp-3); align-items: flex-start; margin-bottom: var(--sp-4); }
.gbp-card__logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.gbp-card__name { font-weight: 700; font-size: 1rem; color: var(--navy); }
.gbp-card__category { font-size: 0.82rem; color: var(--gray-500); margin-top: 2px; }
.gbp-card__rating {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
}
.gbp-card__stars { color: #fbbc04; }
.gbp-card__reviews { color: var(--blue); font-weight: 400; }
.gbp-card__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  background: var(--green-pale);
  color: var(--green);
  font-size: 0.8rem;
  font-weight: 600;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  margin-bottom: var(--sp-3);
}
.gbp-card__actions { display: flex; gap: var(--sp-2); }
.gbp-card__btn {
  flex: 1;
  text-align: center;
  padding: var(--sp-2) var(--sp-3);
  border: 1.5px solid var(--gray-border);
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  background: var(--white);
  cursor: default;
  transition: all var(--trans);
}
.gbp-card__btn--filled { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* === UTILITY === */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.hidden { display: none; }
.divider { border: none; border-top: 1px solid var(--gray-border); margin: var(--sp-8) 0; }

/* === ANIMATIONS === */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp 0.4s ease forwards; }

/* === PRINT === */
@media print {
  .nav, .footer, .cta-band { display: none; }
}