/* ==========================================================================
   PROVO PRO PLUMBING - MASTER STYLESHEET
   Vanilla CSS3 | Mobile-First | Zero External Dependencies
   ========================================================================== */

:root {
  /* Color Palette */
  --primary-navy: #0B1D3A;
  --secondary-navy: #162C52;
  --emergency-red: #D90429;
  --emergency-red-hover: #B80320;
  --accent-gold: #F59E0B;
  --slate-gray: #4A5568;
  --light-gray: #F8FAFC;
  --border-gray: #CBD5E1;
  --pure-white: #FFFFFF;
  --text-dark: #1A202C;

  /* Layout & Spacing */
  --max-width: 1240px;
  --header-height: 80px;
  --border-radius: 8px;
  --transition-speed: 0.3s ease;
  --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.15), 0 4px 6px -2px rgba(0, 0, 0, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background-color: var(--pure-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Headings Base */
h1, h2, h3, h4, h5, h6 {
  color: var(--primary-navy);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 1rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.85rem; }
h3 { font-size: 1.35rem; }
p { margin-bottom: 1.25rem; }

a {
  color: var(--primary-navy);
  text-decoration: none;
  transition: color var(--transition-speed);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header & Navigation Fixes */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--pure-white);
  box-shadow: var(--box-shadow);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo-brand {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-navy);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-brand span {
  color: var(--emergency-red);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.85rem;
  align-items: center;
  margin: 0;
  white-space: nowrap;
}

.nav-link {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--primary-navy);
  padding: 0.4rem 0.2rem;
  white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
  color: var(--emergency-red);
}

/* Right-Aligned Hamburger Menu */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  flex-direction: column;
  gap: 5px;
  margin-left: auto; /* Pushes hamburger right on mobile */
}

.hamburger .bar {
  width: 26px;
  height: 3px;
  background-color: var(--primary-navy);
  transition: all var(--transition-speed);
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 700;
  text-align: center;
  padding: 0.75rem 1.35rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed);
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 0.92rem;
  white-space: nowrap;
}

.btn-emergency {
  background-color: var(--emergency-red);
  color: var(--pure-white) !important;
}

.btn-emergency:hover {
  background-color: var(--emergency-red-hover);
}

.btn-primary {
  background-color: var(--primary-navy);
  color: var(--pure-white) !important;
}

.btn-primary:hover {
  background-color: var(--secondary-navy);
}

.btn-outline {
  border-color: var(--primary-navy);
  color: var(--primary-navy);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--primary-navy);
  color: var(--pure-white) !important;
}

/* Hero Section & High Contrast */
.hero {
  background: linear-gradient(135deg, var(--primary-navy) 0%, #081428 100%);
  color: var(--pure-white);
  padding: 3.5rem 0;
}

.hero h1, .hero h2, .hero p, .hero span {
  color: var(--pure-white);
}

.hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}

.badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.badge {
  background-color: rgba(255, 255, 255, 0.15);
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-gold) !important;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

/* Hero Lead Form Card */
.hero-form-card {
  background-color: var(--pure-white);
  color: var(--text-dark);
  padding: 1.75rem;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-lg);
  border: 1px solid var(--border-gray);
}

.hero-form-card h3 {
  color: var(--primary-navy) !important;
  margin-bottom: 0.35rem;
  font-size: 1.25rem;
}

.hero-form-card p {
  color: var(--slate-gray) !important;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
}

.form-group {
  margin-bottom: 0.85rem;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-navy) !important;
  margin-bottom: 0.25rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-size: 0.9rem;
  border: 1px solid var(--border-gray);
  border-radius: 6px;
  font-family: inherit;
  transition: border-color var(--transition-speed);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-navy);
  box-shadow: 0 0 0 3px rgba(11, 29, 58, 0.12);
}

/* Layout Blocks */
.section-padding { padding: 4rem 0; }
.bg-light { background-color: var(--light-gray); }

.section-title {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 2.5rem auto;
}

.section-title h2 {
  font-size: 2.1rem;
  margin-bottom: 0.75rem;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.card {
  background-color: var(--pure-white);
  border-radius: var(--border-radius);
  padding: 1.75rem;
  box-shadow: var(--box-shadow);
  border: 1px solid var(--border-gray);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-lg);
}

.card h3 { color: var(--primary-navy); }

/* Accordion FAQ */
.faq-accordion { max-width: 900px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--border-gray);
  border-radius: var(--border-radius);
  margin-bottom: 0.85rem;
  background-color: var(--pure-white);
  overflow: hidden;
}

.faq-button {
  width: 100%;
  text-align: left;
  padding: 1.1rem 1.35rem;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-content {
  padding: 0 1.35rem 1.1rem 1.35rem;
  display: none;
  color: var(--slate-gray);
}

.faq-item.active .faq-content { display: block; }
.faq-item.active .faq-icon { transform: rotate(45deg); }

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background-color: var(--pure-white);
  box-shadow: var(--box-shadow);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.comparison-table th, .comparison-table td {
  padding: 0.85rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-gray);
}

.comparison-table th {
  background-color: var(--primary-navy);
  color: var(--pure-white);
}

/* CTA Banners High Contrast */
.cta-banner {
  background: linear-gradient(135deg, var(--emergency-red) 0%, #900018 100%);
  color: var(--pure-white);
  text-align: center;
  padding: 3.25rem 1.5rem;
  border-radius: var(--border-radius);
  margin: 3rem 0;
}

.cta-banner h2, .cta-banner p {
  color: var(--pure-white) !important;
}

/* Footer */
.site-footer {
  background-color: var(--primary-navy);
  color: var(--light-gray);
  padding: 3.5rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-col h3, .footer-col h4 {
  color: var(--pure-white);
  margin-bottom: 1rem;
}

.footer-col ul { list-style: none; padding: 0; }
.footer-col a { color: #CBD5E0; }
.footer-col a:hover { color: var(--accent-gold); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 1.75rem;
  text-align: center;
  font-size: 0.85rem;
  color: #A0AEC0;
}

/* Media Queries */
@media (min-width: 1172px) {
  .hero-split { grid-template-columns: 1.15fr 0.85fr; }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .hamburger { display: none; }
}

@media (max-width: 1171px) {
  .hamburger { display: flex; }
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--pure-white);
    flex-direction: column;
    padding: 2rem;
    transition: left var(--transition-speed);
    box-shadow: var(--box-shadow-lg);
    align-items: flex-start;
  }
  .nav-menu.active { left: 0; }
}