/* ============================================================
   Water Leak Detection Texas - Production CSS
   ============================================================ */

:root {
  /* Colors */
  --primary-navy: #071a2f;
  --primary-blue: #1677ff;
  --secondary-blue: #0b5ddb;
  --accent-teal: #13b8a6;
  --background: #f6f9fc;
  --white: #ffffff;
  --gray-light: #f0f3f6;
  --gray-med: #d9e0e6;
  --gray-dark: #7a8a9a;
  --text-dark: #1a2a3a;
  --text-light: #4a5a6a;

  /* Typography */
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  --heading-size-h1: clamp(2rem, 5vw, 3.5rem);
  --heading-size-h2: clamp(1.75rem, 4vw, 2.5rem);
  --heading-size-h3: clamp(1.25rem, 3vw, 1.75rem);
  --body-size: clamp(1rem, 2vw, 1.125rem);
  --small-size: 0.875rem;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Shadows & Effects */
  --shadow-sm: 0 1px 3px rgba(7, 26, 47, 0.08);
  --shadow-md: 0 4px 12px rgba(7, 26, 47, 0.12);
  --shadow-lg: 0 8px 24px rgba(7, 26, 47, 0.15);

  /* Borders */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Transitions */
  --transition: all 0.3s ease;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-stack);
  font-size: var(--body-size);
  line-height: 1.6;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--heading-size-h1);
  color: var(--primary-navy);
}

h2 {
  font-size: var(--heading-size-h2);
  color: var(--primary-navy);
}

h3 {
  font-size: var(--heading-size-h3);
  color: var(--primary-navy);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
  line-height: 1.7;
}

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

a:hover {
  color: var(--secondary-blue);
  text-decoration: underline;
}

strong {
  font-weight: 700;
  color: var(--text-dark);
}

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-med);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  color: var(--primary-navy);
  font-size: 1.25rem;
}

.logo svg {
  width: 40px;
  height: 40px;
}

nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

nav a {
  color: var(--text-dark);
  font-weight: 500;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--primary-blue);
  text-decoration: none;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-left: var(--spacing-xl);
  padding-left: var(--spacing-xl);
  border-left: 1px solid var(--gray-med);
}

.phone-number {
  font-weight: 700;
  color: var(--primary-blue);
  font-size: 1.1rem;
}

.call-button {
  display: none;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-navy);
}

@media (max-width: 768px) {
  nav {
    display: none;
  }

  .header-phone {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .logo {
    font-size: 1rem;
  }

  .logo svg {
    width: 32px;
    height: 32px;
  }

  .call-button {
    display: inline-block;
  }
}

/* ============================================================
   MOBILE STICKY CTA
   ============================================================ */

.mobile-cta-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to bottom, transparent, var(--primary-blue));
  padding: var(--spacing-md) var(--spacing-lg) calc(var(--spacing-md) + env(safe-area-inset-bottom));
  z-index: 50;
}

.mobile-cta-button {
  background: var(--primary-blue);
  color: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-align: center;
  display: block;
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
}

.mobile-cta-button:hover {
  background: var(--secondary-blue);
}

.mobile-cta-button:active {
  transform: scale(0.98);
}

@media (max-width: 768px) {
  .mobile-cta-sticky {
    display: block;
  }

  body {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
  }
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  background: linear-gradient(135deg, var(--primary-navy) 0%, #0a2847 100%);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg);
  text-align: center;
}

.hero-container {
  max-width: 800px;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: var(--small-size);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-teal);
  margin-bottom: var(--spacing-md);
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .button {
    width: 100%;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */

.button {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  text-decoration: none;
}

.button-primary {
  background: var(--primary-blue);
  color: var(--white);
}

.button-primary:hover {
  background: var(--secondary-blue);
  text-decoration: none;
}

.button-primary:active {
  transform: scale(0.98);
}

.button-secondary {
  background: var(--white);
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.button-secondary:hover {
  background: var(--gray-light);
  text-decoration: none;
}

.button-secondary:active {
  transform: scale(0.98);
}

.button-tertiary {
  background: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.button-tertiary:hover {
  background: var(--background);
  text-decoration: none;
}

/* ============================================================
   CONTAINERS
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-xxl) var(--spacing-lg);
}

.section-light {
  background: var(--background);
}

.section-white {
  background: var(--white);
}

.section-navy {
  background: var(--primary-navy);
  color: var(--white);
}

.section-navy h2,
.section-navy h3 {
  color: var(--white);
}

.section-navy p {
  color: rgba(255, 255, 255, 0.9);
}

.section-navy a {
  color: var(--accent-teal);
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-xl) var(--spacing-lg);
  }
}

/* ============================================================
   CONTENT SECTIONS
   ============================================================ */

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-teal));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.75rem;
}

.card h3 {
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.card p {
  font-size: 0.95rem;
}

/* ============================================================
   LISTS & MESSAGING
   ============================================================ */

.feature-list {
  list-style: none;
  margin-left: 0;
}

.feature-list li {
  padding-left: var(--spacing-lg);
  position: relative;
  margin-bottom: var(--spacing-md);
}

.feature-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-teal);
  font-weight: 700;
  font-size: 1.25rem;
}

.info-box {
  background: var(--background);
  border-left: 4px solid var(--primary-blue);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin: var(--spacing-xl) 0;
}

.info-box h4 {
  margin-top: 0;
  color: var(--primary-navy);
}

.warning-box {
  background: #fff5e6;
  border-left: 4px solid #f39c12;
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin: var(--spacing-xl) 0;
}

/* ============================================================
   FAQ SECTION
   ============================================================ */

.faq-item {
  border-bottom: 1px solid var(--gray-med);
  padding: var(--spacing-lg) 0;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-question {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  padding: var(--spacing-sm) 0;
}

.faq-question:hover {
  color: var(--primary-blue);
}

.faq-toggle {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--text-light);
  line-height: 1.7;
  padding-top: 0;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-top: var(--spacing-md);
}

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  background: var(--primary-navy);
  color: var(--white);
  padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxl);
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: var(--accent-teal);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ============================================================
   BREADCRUMB
   ============================================================ */

.breadcrumb {
  background: var(--gray-light);
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 0.9rem;
}

.breadcrumb ol {
  list-style: none;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

.breadcrumb li {
  margin: 0;
  display: flex;
  gap: var(--spacing-sm);
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--gray-dark);
}

.breadcrumb a {
  color: var(--primary-blue);
}

/* ============================================================
   SERVICE PAGES
   ============================================================ */

.page-hero {
  background: linear-gradient(135deg, var(--primary-navy) 0%, #0a2847 100%);
  color: var(--white);
  padding: var(--spacing-xl) var(--spacing-lg);
}

.page-hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.page-hero h1 {
  color: var(--white);
  margin-bottom: var(--spacing-md);
}

.page-hero p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.2rem;
}

.content-body {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.content-body h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

/* ============================================================
   CITY PAGES
   ============================================================ */

.city-intro {
  background: linear-gradient(135deg, #13b8a6 0%, #0f9a8f 100%);
  color: var(--white);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.city-intro h2 {
  color: var(--white);
}

.nearby-cities {
  background: var(--background);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin: var(--spacing-xl) 0;
}

.nearby-cities h4 {
  margin-bottom: var(--spacing-md);
  color: var(--primary-navy);
}

.nearby-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.nearby-links a {
  background: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.nearby-links a:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ============================================================
   FORMS
   ============================================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
  font-size: 0.95rem;
}

input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--gray-med);
  border-radius: var(--radius-md);
  font-family: var(--font-stack);
  font-size: 1rem;
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-blue);
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

.text-light {
  color: var(--text-light);
}

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

.text-blue {
  color: var(--primary-blue);
}

.text-teal {
  color: var(--accent-teal);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.mt-xl {
  margin-top: var(--spacing-xl);
}

.mb-xl {
  margin-bottom: var(--spacing-xl);
}

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --spacing-xxl: 2.5rem;
    --spacing-xl: 2rem;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  nav {
    flex-direction: column;
  }

  .page-hero-container {
    padding: 0 var(--spacing-md);
  }

  .content-body {
    padding: var(--spacing-xl) var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --heading-size-h1: 1.75rem;
    --heading-size-h2: 1.5rem;
    --heading-size-h3: 1.25rem;
    --spacing-xl: 1.5rem;
  }

  .container,
  .page-hero {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .button {
    padding: var(--spacing-md) var(--spacing-lg);
  }

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

  .footer-bottom {
    font-size: 0.75rem;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */

@media print {
  header,
  footer,
  .mobile-cta-sticky,
  .hero-cta {
    display: none !important;
  }

  body {
    padding-bottom: 0;
  }

  a {
    color: var(--primary-blue);
  }
}