/* ==========================================================================
   RoofExpertUSA — San Antonio, Texas
   Design System & Master Stylesheet
   Color Tokens: #10233F (Primary), #0A1729 (Dark Navy), #F97316 (Emergency Orange)
   WCAG 2.2 AA Accessible, Mobile-First (320px baseline)
   ========================================================================== */

:root {
  /* Color Palette */
  --color-primary-navy: #10233F;
  --color-dark-navy: #0A1729;
  --color-emergency-orange: #F97316;
  --color-emergency-hover: #EA580C;
  --color-emergency-dark: #C2410C;
  --color-slate-blue: #1E3A5F;
  --color-body-text: #263445;
  --color-muted-text: #64748B;
  --color-light-bg: #F5F7FA;
  --color-white: #FFFFFF;
  --color-border: #DCE3EB;
  --color-border-subtle: #E2E8F0;
  
  /* Trust / Alert Tokens */
  --color-trust-gold: #B45309;
  --color-trust-gold-bg: #FEF3C7;
  --color-trust-border: #FCD34D;
  --color-success-green: #15803D;
  --color-success-bg: #DCFCE7;
  --color-danger-red: #B91C1C;
  --color-danger-bg: #FEF2F2;

  /* Typography */
  --font-system: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1180px;
  --prose-max-width: 68ch;
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4.5rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-subtle: 0 1px 3px rgba(10, 23, 41, 0.08);
  --shadow-card: 0 4px 6px -1px rgba(10, 23, 41, 0.08), 0 2px 4px -2px rgba(10, 23, 41, 0.04);
  --shadow-elevated: 0 10px 15px -3px rgba(10, 23, 41, 0.12), 0 4px 6px -4px rgba(10, 23, 41, 0.06);

  /* Sticky Mobile Bar Offset */
  --mobile-cta-height: 84px;
}

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

html {
  font-family: var(--font-system);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-body-text);
  background-color: var(--color-light-bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  padding-bottom: var(--mobile-cta-height);
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
}

img, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-body-text);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-dark-navy);
  line-height: 1.25;
  font-weight: 800;
  margin-bottom: var(--space-xs);
}

a {
  color: #0369a1;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-emergency-hover);
}

/* Keyboard Focus */
:focus-visible {
  outline: 3px solid var(--color-emergency-orange);
  outline-offset: 3px;
}

/* Skip Navigation */
.skip-to-content {
  position: absolute;
  top: -120px;
  left: var(--space-md);
  background-color: var(--color-emergency-orange);
  color: #ffffff !important;
  padding: var(--space-sm) var(--space-md);
  font-weight: 700;
  z-index: 99999;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: top 0.15s ease;
}

.skip-to-content:focus {
  top: var(--space-md);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

/* Top Disclaimer Bar */
.referral-disclaimer-bar {
  background-color: var(--color-dark-navy);
  color: #cbd5e1;
  font-size: 0.78rem;
  line-height: 1.4;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.referral-disclaimer-bar strong {
  color: #f1f5f9;
}

/* Header */
.site-header {
  background-color: var(--color-primary-navy);
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(10, 23, 41, 0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

@media (max-width: 480px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    gap: 0.6rem;
    padding: 0.6rem 0;
  }
}

.site-logo {
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

@media (max-width: 480px) {
  .site-logo {
    align-items: center;
  }
}

.logo-brand {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.logo-brand .expert {
  color: var(--color-emergency-orange);
}

.logo-sub {
  font-size: 0.72rem;
  color: #94a3b8;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.header-phone-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: all 0.15s ease;
}

@media (max-width: 480px) {
  .header-phone-cta {
    justify-content: center;
    width: 100%;
  }
}

.header-phone-cta:hover {
  background-color: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
}

.header-phone-details {
  display: flex;
  flex-direction: column;
  text-align: right;
}

@media (max-width: 480px) {
  .header-phone-details {
    text-align: center;
  }
}

.header-phone-badge {
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #fed7aa;
  letter-spacing: 0.06em;
}

.header-phone-num {
  font-size: 1.15rem;
  font-weight: 900;
  color: #ffffff;
}

/* Navigation */
.main-nav {
  background-color: var(--color-slate-blue);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-scroll-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  overflow-x: auto;
  white-space: nowrap;
  padding: 0.45rem 0;
  -webkit-overflow-scrolling: touch;
}

.nav-scroll-list::-webkit-scrollbar {
  height: 3px;
}

.nav-scroll-list::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}

.nav-link {
  display: inline-block;
  padding: 0.45rem 0.75rem;
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.15);
}

/* Breadcrumbs */
.breadcrumb-nav {
  background-color: #eef2f6;
  border-bottom: 1px solid var(--color-border);
  padding: 0.55rem 0;
  font-size: 0.82rem;
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.breadcrumb-item a {
  color: #334155;
  text-decoration: none;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-separator {
  color: #94a3b8;
}

/* Hero Section */
.hero-section {
  background-color: var(--color-primary-navy);
  color: #ffffff;
  padding: 2.75rem 0;
  border-bottom: 4px solid var(--color-emergency-orange);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.25fr 0.95fr;
  }
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: rgba(249, 115, 22, 0.18);
  border: 1px solid var(--color-emergency-orange);
  color: #ffedd5;
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.hero-title {
  font-size: clamp(1.85rem, 4vw, 2.6rem);
  line-height: 1.2;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: var(--space-md);
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.65;
  color: #e2e8f0;
  margin-bottom: var(--space-lg);
  max-width: var(--prose-max-width);
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

@media (min-width: 576px) {
  .hero-cta-group {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  font-size: 1rem;
  font-weight: 800;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.15s ease;
  min-height: 48px;
}

.btn-emergency {
  background-color: var(--color-emergency-orange);
  color: #ffffff !important;
  box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
}

.btn-emergency:hover {
  background-color: var(--color-emergency-hover);
  box-shadow: 0 6px 14px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
  background-color: transparent;
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
}

.btn-full {
  width: 100%;
}

/* Triage Card / Form Card */
.triage-card {
  background-color: var(--color-white);
  color: var(--color-body-text);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-elevated);
  border: 1px solid var(--color-border);
  border-top: 5px solid var(--color-emergency-orange);
}

.triage-card-header {
  text-align: center;
  margin-bottom: var(--space-md);
}

.triage-card-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-dark-navy);
}

.triage-card-subtitle {
  font-size: 0.86rem;
  color: var(--color-muted-text);
}

.form-group {
  margin-bottom: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  text-align: left;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-dark-navy);
}

.form-control, .form-input {
  width: 100%;
  padding: 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  background-color: #ffffff;
  color: var(--color-body-text);
  min-height: 48px;
}

.form-control:focus, .form-input:focus {
  border-color: var(--color-slate-blue);
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.2);
}

.form-control.is-invalid, .form-input.is-invalid {
  border-color: var(--color-danger-red);
  background-color: var(--color-danger-bg);
}

.field-error-msg {
  color: var(--color-danger-red);
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 0.25rem;
}

.form-error-summary {
  background-color: var(--color-danger-bg);
  border-left: 4px solid var(--color-danger-red);
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  color: #991b1b;
  font-size: 0.88rem;
}

.form-note, .form-disclaimer {
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--color-muted-text);
  margin-top: 0.65rem;
}

/* Trust Disclosure Cards */
.disclaimer-card, .trust-disclosure-card {
  background-color: var(--color-trust-gold-bg);
  border: 1px solid var(--color-trust-border);
  border-left: 5px solid var(--color-trust-gold);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin: var(--space-lg) 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #78350f;
}

.disclaimer-card strong, .trust-disclosure-card strong {
  color: #451a03;
}

/* Sections & Grids */
.section {
  padding: var(--space-2xl) 0;
}

.section-alt {
  background-color: #edf2f7;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-eyebrow {
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-emergency-orange);
  margin-bottom: 0.35rem;
  display: block;
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  color: var(--color-dark-navy);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-muted-text);
  max-width: 65ch;
  margin-left: auto;
  margin-right: auto;
}

/* Card Grids */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-elevated);
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--color-dark-navy);
}

.card-description {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-body-text);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.card-link {
  font-weight: 700;
  font-size: 0.92rem;
  color: #0369a1;
  text-decoration: none;
}

.card-link:hover {
  color: var(--color-emergency-hover);
  text-decoration: underline;
}

/* Content Box */
.content-box, .content-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-subtle);
  margin-bottom: var(--space-xl);
}

.content-box h2, .content-block h2 {
  font-size: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.content-box h2:first-child, .content-block h2:first-child {
  margin-top: 0;
}

.content-box h3, .content-block h3 {
  font-size: 1.2rem;
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.content-box ul, .content-block ul,
.content-box ol, .content-block ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.content-box li, .content-block li {
  margin-bottom: 0.4rem;
}

/* CTA Box */
.cta-box {
  background-color: var(--color-primary-navy);
  color: #ffffff;
  padding: 2.5rem 1.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  border-top: 4px solid var(--color-emergency-orange);
  box-shadow: var(--shadow-elevated);
  margin-top: var(--space-2xl);
}

.cta-box h2 {
  color: #ffffff;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.cta-box p {
  color: #e2e8f0;
  max-width: 55ch;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.25rem;
}

.cta-box .phone-big {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 900;
  color: #ffffff;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 1rem;
}

.cta-box .phone-big:hover {
  color: #fed7aa;
}

/* FAQ Accordion */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-toggle, .faq-btn {
  width: 100%;
  background: none;
  border: none;
  padding: 1.15rem 1.25rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark-navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.faq-toggle:hover, .faq-btn:hover {
  background-color: #f8fafc;
}

.faq-icon {
  font-size: 1.35rem;
  color: var(--color-emergency-orange);
  font-weight: 800;
  line-height: 1;
  margin-left: 1rem;
  transition: transform 0.2s ease;
}

.faq-content {
  display: none;
  padding: 0 1.25rem 1.25rem;
  color: var(--color-body-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.is-active .faq-content {
  display: block;
}

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

/* Fixed Mobile Sticky CTA */
.mobile-fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-cta-height);
  background-color: var(--color-dark-navy);
  border-top: 3px solid var(--color-emergency-orange);
  padding: 0.6rem 0.85rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 -4px 16px rgba(10, 23, 41, 0.35);
}

@media (min-width: 992px) {
  .mobile-fixed-cta {
    display: none;
  }
}

.mobile-cta-button {
  width: 100%;
  max-width: 480px;
  background-color: var(--color-emergency-orange);
  color: #ffffff !important;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.5rem 0.75rem;
  min-height: 48px;
  border-radius: var(--radius-md);
  font-weight: 800;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
}

.mobile-cta-button:active {
  background-color: var(--color-emergency-hover);
}

.mobile-cta-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.mobile-cta-title {
  font-size: clamp(0.7rem, 3.2vw, 0.82rem);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #ffedd5;
  font-weight: 700;
  white-space: nowrap;
}

.mobile-cta-num {
  font-size: clamp(0.98rem, 4.2vw, 1.15rem);
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.02em;
}

/* Integration Placeholder Card */
.integration-placeholder-card {
  border: 2px dashed #0284c7;
  background-color: #f0f9ff;
  color: #075985;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
  text-align: left;
}

.integration-placeholder-card h4 {
  color: #0369a1;
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.integration-placeholder-card p {
  color: #0c4a6e;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

/* Footer */
.site-footer {
  background-color: var(--color-dark-navy);
  color: #94a3b8;
  padding: 3rem 0 2rem;
  border-top: 4px solid var(--color-emergency-orange);
  margin-top: auto;
}

.footer-compliance-card, .footer-legal-box {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 4px solid var(--color-emergency-orange);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 2.25rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #cbd5e1;
}

.footer-compliance-card strong, .footer-legal-box strong {
  color: #ffffff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.footer-column h4, .footer-col h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-links-list, .footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-links-list a, .footer-links a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

.footer-links-list a:hover, .footer-links a:hover {
  color: #ffffff;
}

.footer-bottom-bar, .footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: 0.8rem;
  color: #64748b;
}

@media (min-width: 768px) {
  .footer-bottom-bar, .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.footer-bottom-nav, .footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-nav a, .footer-bottom-links a {
  color: #94a3b8;
  text-decoration: none;
}

.footer-bottom-nav a:hover, .footer-bottom-links a:hover {
  color: #ffffff;
  text-decoration: underline;
}