/* ============================================================
   TOP HOUSTON PLUMBER — style.css
   Mobile-first, SEO-optimized, Conversion-focused
   ============================================================ */

/* ========================
   CSS VARIABLES & RESET
   ======================== */
:root {
  --primary:       #1e3a5f;
  --primary-dark:  #152a47;
  --secondary:     #c0392b;
  --secondary-dark:#a93226;
  --accent:        #e67e22;
  --accent-dark:   #d35400;
  --light:         #f8f9fa;
  --white:         #ffffff;
  --dark:          #1a1a2e;
  --text:          #2d2d2d;
  --text-light:    #666666;
  --border:        #e2e8f0;
  --shadow:        0 2px 20px rgba(0,0,0,.10);
  --shadow-hover:  0 8px 30px rgba(0,0,0,.18);
  --radius:        8px;
  --transition:    all .3s ease;
  --container:     1200px;
  --header-height: 80px;
}

*, *::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, Oxygen, Ubuntu, sans-serif;
  color: var(--text);
  line-height: 1.65;
  background: var(--white);
}

img { max-width: 100%; height: auto; display: block; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* ========================
   UTILITIES
   ======================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.section    { padding: 80px 0; }
.section-sm { padding: 50px 0; }

.section-header {
  text-align: center;
  margin-bottom: 55px;
}
.section-header h2 {
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  color: var(--primary);
  margin-bottom: 14px;
  line-height: 1.25;
}
.section-header p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 620px;
  margin: 0 auto;
}

.divider {
  width: 55px;
  height: 4px;
  background: var(--secondary);
  border-radius: 2px;
  margin: 12px auto 0;
}
.divider-left { margin-left: 0; }

.bg-light   { background: var(--light); }
.bg-primary { background: var(--primary); }
.bg-dark    { background: var(--dark); }
.text-center { text-align: center; }

/* ========================
   BUTTONS
   ======================== */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  white-space: nowrap;
  letter-spacing: .3px;
}

.btn-primary {
  background: var(--secondary);
  color: var(--white);
}
.btn-primary:hover {
  background: var(--secondary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(192,57,43,.4);
}

.btn-secondary {
  background: var(--accent);
  color: var(--white);
}
.btn-secondary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}

.btn-lg {
  padding: 17px 36px;
  font-size: 1.1rem;
}

/* ========================
   HEADER / NAV
   ======================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--primary);
  height: var(--header-height);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.site-header.scrolled {
  background: var(--primary-dark);
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

.logo a {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -.4px;
}
.logo span { color: var(--accent); }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2px;
}
.main-nav a {
  color: rgba(255,255,255,.88);
  font-weight: 500;
  font-size: .9rem;
  padding: 8px 11px;
  border-radius: 4px;
  transition: var(--transition);
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--white);
  background: rgba(255,255,255,.12);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--white);
  border-radius: 3px;
  transition: var(--transition);
}
.mobile-menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-menu-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ========================
   HERO (HOMEPAGE)
   ======================== */
.hero {
  padding-top: calc(var(--header-height) + 70px);
  padding-bottom: 100px;
  background: linear-gradient(140deg, var(--primary-dark) 0%, var(--primary) 55%, #2563a8 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.035'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}
.hero-badge {
  display: inline-block;
  background: var(--secondary);
  color: var(--white);
  font-size: .82rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.3rem);
  color: var(--white);
  font-weight: 800;
  line-height: 1.18;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--accent); }
.hero p {
  font-size: 1.15rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 35px;
  line-height: 1.75;
}
.hero-buttons { display: flex; gap: 15px; flex-wrap: wrap; }

.hero-trust {
  display: flex;
  gap: 28px;
  margin-top: 55px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,.15);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.82);
}
.trust-icon { font-size: 1.6rem; }
.trust-text { font-size: .88rem; }
.trust-text strong { display: block; color: var(--white); font-weight: 700; }

/* ========================
   PAGE HERO (inner pages)
   ======================== */
.page-hero {
  padding-top: calc(var(--header-height) + 55px);
  padding-bottom: 65px;
  background: linear-gradient(140deg, var(--primary-dark) 0%, var(--primary) 100%);
  text-align: center;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  color: var(--white);
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.2;
}
.page-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  max-width: 620px;
  margin: 0 auto 28px;
}

/* ========================
   EMERGENCY BANNER
   ======================== */
.emergency-banner {
  background: linear-gradient(135deg, var(--secondary) 0%, #922b21 100%);
  padding: 65px 0;
  text-align: center;
}
.emergency-banner h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  color: var(--white);
  margin-bottom: 14px;
}
.emergency-banner p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.9);
  margin-bottom: 28px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}
.phone-large {
  display: inline-block;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  font-weight: 800;
  color: var(--white);
  background: rgba(255,255,255,.15);
  padding: 15px 32px;
  border-radius: var(--radius);
  margin-bottom: 18px;
  border: 2px solid rgba(255,255,255,.3);
  transition: var(--transition);
}
.phone-large:hover { background: rgba(255,255,255,.25); }

/* ========================
   SERVICE CARDS
   ======================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 35px 30px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-bottom: 4px solid transparent;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-bottom-color: var(--secondary);
}
.service-icon { font-size: 2.5rem; margin-bottom: 18px; }
.service-card h3 { font-size: 1.25rem; color: var(--primary); margin-bottom: 12px; }
.service-card p  { color: var(--text-light); margin-bottom: 20px; line-height: 1.65; }
.card-link {
  color: var(--secondary);
  font-weight: 700;
  font-size: .92rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
}
.card-link:hover { gap: 10px; }

/* ========================
   WHY CHOOSE US
   ======================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 30px;
}
.why-item {
  text-align: center;
  padding: 35px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.why-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.why-icon { font-size: 2.8rem; margin-bottom: 15px; }
.why-item h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 10px; font-weight: 700; }
.why-item p  { color: var(--text-light); font-size: .93rem; line-height: 1.6; }

/* ========================
   TESTIMONIALS
   ======================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 25px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--accent);
}
.testimonial-stars { color: #f39c12; font-size: 1.15rem; margin-bottom: 14px; }
.testimonial-text {
  color: var(--text);
  font-style: italic;
  line-height: 1.75;
  margin-bottom: 18px;
  font-size: .98rem;
}
.testimonial-author { font-weight: 700; color: var(--primary); font-size: .92rem; }
.testimonial-location { font-size: .83rem; color: var(--text-light); }

/* ========================
   CTA SECTION
   ======================== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 85px 0;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  color: var(--white);
  margin-bottom: 14px;
}
.cta-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }

/* ========================
   PROCESS STEPS
   ======================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 30px;
}
.process-step { text-align: center; padding: 25px 15px; }
.step-number {
  width: 58px; height: 58px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  margin: 0 auto 18px;
}
.process-step h3 { font-size: 1.05rem; color: var(--primary); margin-bottom: 8px; }
.process-step p  { color: var(--text-light); font-size: .92rem; }

/* ========================
   SIGNS / SYMPTOMS LIST
   ======================== */
.signs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 18px;
}
.sign-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px;
  background: var(--light);
  border-radius: var(--radius);
  border-left: 4px solid var(--secondary);
}
.sign-item .sign-icon { font-size: 1.5rem; flex-shrink: 0; }
.sign-item h4 { font-size: .98rem; color: var(--primary); margin-bottom: 4px; }
.sign-item p  { font-size: .88rem; color: var(--text-light); }

/* ========================
   TWO-COLUMN CONTENT
   ======================== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.content-col h2 { font-size: clamp(1.6rem, 3vw, 2rem); color: var(--primary); margin-bottom: 16px; }
.content-col p  { color: var(--text-light); margin-bottom: 18px; line-height: 1.75; }
.text-link {
  color: var(--secondary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.text-link:hover { color: #922b21; }
.mini-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 18px;
}
.mini-links a {
  color: var(--secondary);
  font-weight: 700;
  font-size: .94rem;
}
.mini-links a:hover { color: #922b21; }

.feature-list { margin: 20px 0; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: .97rem;
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li::before { content: '✔'; color: var(--secondary); font-weight: 700; flex-shrink: 0; }

.visual-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 12px;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 7rem;
  position: relative;
  overflow: hidden;
}
.visual-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

/* ========================
   AREAS GRID
   ======================== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 15px;
}
.area-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 15px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.area-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.area-card .area-icon { font-size: 1.9rem; margin-bottom: 10px; }
.area-card h3 { font-size: .98rem; color: var(--primary); font-weight: 700; }
.area-card p  { font-size: .82rem; color: var(--text-light); margin-top: 5px; }

/* ========================
   STATS
   ======================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 20px;
}
.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 8px; }
.stat-label  { font-size: .88rem; color: var(--text-light); }

/* ========================
   VALUES CARDS
   ======================== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 25px;
}
.value-card {
  padding: 30px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
}
.value-card .value-icon { font-size: 2.3rem; margin-bottom: 14px; }
.value-card h3 { font-size: 1.1rem; color: var(--primary); margin-bottom: 10px; }
.value-card p  { color: var(--text-light); font-size: .93rem; line-height: 1.65; }

/* ========================
   FAQ ACCORDION
   ======================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  padding: 20px 25px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
  background: var(--white);
  font-size: 1rem;
  user-select: none;
}
.faq-question:hover { background: var(--light); }
.faq-icon { font-size: 1.3rem; transition: var(--transition); flex-shrink: 0; }
.faq-answer {
  display: none;
  padding: 18px 25px 22px;
  color: var(--text-light);
  line-height: 1.75;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.faq-item.open .faq-answer { display: block; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ========================
   ALERT BOX
   ======================== */
.alert-box {
  background: #fff8e1;
  border: 1px solid #ffc107;
  border-radius: var(--radius);
  padding: 20px 25px;
  margin-bottom: 30px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.alert-icon { font-size: 1.5rem; flex-shrink: 0; }
.alert-box h4 { color: #856404; margin-bottom: 4px; font-size: 1rem; }
.alert-box p  { color: #856404; font-size: .93rem; }

/* ========================
   CONTACT FORM
   ======================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 55px;
  align-items: start;
}
.contact-form {
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form h2 { font-size: 1.75rem; color: var(--primary); margin-bottom: 25px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 7px; color: var(--text); font-size: .93rem; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: .98rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--white);
  color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,.1);
}
.form-group textarea { height: 130px; resize: vertical; }
.form-success {
  display: none;
  background: #d4edda;
  color: #155724;
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-top: 14px;
  text-align: center;
  font-weight: 600;
}

.contact-info-card {
  background: var(--primary);
  color: var(--white);
  padding: 40px;
  border-radius: var(--radius);
}
.contact-info-card h2 { font-size: 1.75rem; margin-bottom: 25px; }
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.contact-detail:last-child { border-bottom: none; }
.detail-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-detail h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,.65); margin-bottom: 4px; }
.contact-detail p,
.contact-detail a { color: var(--white); font-size: 1rem; font-weight: 600; }
.contact-detail a:hover { color: var(--accent); }

/* ========================
   DISCLAIMER
   ======================== */
.site-disclaimer {
  background: #f5f1e8;
  border-top: 1px solid rgba(28, 35, 49, .08);
  border-bottom: 1px solid rgba(28, 35, 49, .08);
  padding: 28px 0;
}
.site-disclaimer p {
  margin: 0;
  color: var(--text);
  font-size: .95rem;
  line-height: 1.8;
}
.site-disclaimer strong {
  color: var(--dark);
}

/* ========================
   FOOTER
   ======================== */
.site-footer {
  background: var(--dark);
  color: var(--white);
  padding: 65px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand h3 { font-size: 1.35rem; margin-bottom: 14px; }
.footer-brand p  { color: rgba(255,255,255,.6); font-size: .93rem; line-height: 1.75; margin-bottom: 20px; }
.footer-phone {
  display: inline-block;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--accent);
}
.footer-phone:hover { color: var(--white); }

.footer-nav h4,
.footer-services h4,
.footer-contact h4 {
  font-size: .88rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 18px;
  font-weight: 700;
}
.footer-nav ul,
.footer-services ul { display: flex; flex-direction: column; gap: 9px; }
.footer-nav li a,
.footer-services li a { color: rgba(255,255,255,.6); font-size: .93rem; transition: var(--transition); }
.footer-nav li a:hover,
.footer-services li a:hover { color: var(--accent); }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
  color: rgba(255,255,255,.6);
  font-size: .93rem;
}
.footer-contact-item a { color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-contact-item a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  text-align: center;
  color: rgba(255,255,255,.4);
  font-size: .87rem;
}

/* ========================
   STICKY CALL BAR (mobile)
   ======================== */
.sticky-call-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 999;
  background: var(--secondary);
  padding: 13px 20px;
}
.sticky-call-bar a {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

/* ========================
   RESPONSIVE
   ======================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  :root { --header-height: 68px; }

  .section { padding: 58px 0; }

  /* Mobile nav */
  .main-nav {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--primary-dark);
    padding: 16px;
    flex-direction: column;
    box-shadow: 0 12px 35px rgba(0,0,0,.35);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 3px; }
  .main-nav a { padding: 12px 14px; display: block; font-size: 1rem; }

  .mobile-menu-toggle { display: flex; }
  .header-cta .btn   { display: none; }

  .hero p { font-size: 1.05rem; }
  .hero-trust { gap: 18px; padding-top: 30px; }

  .two-col { grid-template-columns: 1fr; gap: 35px; }
  .two-col.reverse { direction: ltr; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 25px 18px; }
  .contact-info-card { padding: 25px 18px; }

  .footer-grid { grid-template-columns: 1fr; gap: 25px; }

  .sticky-call-bar { display: block; }
  body { padding-bottom: 58px; }
}

@media (max-width: 480px) {
  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-buttons .btn,
  .cta-buttons .btn { text-align: center; }
}