/* ==========================================================================
   Pristine Gas Ltd — style.css
   Single stylesheet for all pages. Mobile-first, desktop at 768px+.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Custom Properties
   -------------------------------------------------------------------------- */

:root {
  --navy: #0f3856;
  --orange: #ea7625;
  --white: #ffffff;
  --bg-light: #f5f7fa;
  --text-dark: #1a1a1a;
  --text-secondary: #555555;
  --border: #e0e0e0;
  --font: 'Inter', sans-serif;
  --transition: 0.2s ease;
  --radius: 4px;
  --container: 1100px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-xxl: 96px;
}


/* --------------------------------------------------------------------------
   Reset / Base
   -------------------------------------------------------------------------- */

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

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

body {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: var(--font);
  cursor: pointer;
}


/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--navy);
  line-height: 1.25;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
}

h2 {
  font-size: 1.625rem;
  font-weight: 600;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

small,
.text-small {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

strong {
  font-weight: 600;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.875rem;
  }

  h3 {
    font-size: 1.25rem;
  }
}


/* --------------------------------------------------------------------------
   Layout Utilities
   -------------------------------------------------------------------------- */

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-lg) 0;
}

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

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

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

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

@media (min-width: 768px) {
  .section {
    padding: var(--space-xl) 0;
  }

  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

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

.section-heading {
  margin-bottom: var(--space-lg);
}

.section-heading h2 {
  margin-bottom: var(--space-xs);
}

.section-heading p {
  color: var(--text-secondary);
  max-width: 640px;
}

.section-heading.text-center p {
  margin-left: auto;
  margin-right: auto;
}


/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */

.btn-primary,
.btn-secondary,
.btn-outline,
.btn-emergency {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: #1a5276;
}

.btn-secondary {
  background-color: var(--orange);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #c9651f;
}

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

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

.btn-emergency {
  background-color: var(--orange);
  color: var(--white);
  font-size: 1.0625rem;
}

.btn-emergency:hover {
  background-color: #c9651f;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}


/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */

.site-header {
  background-color: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-sm);
}

.header-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.header-logo img {
  height: 48px;
  width: auto;
}

.header-nav {
  display: none;
  flex: 1;
  justify-content: center;
}

.header-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.header-nav a {
  display: block;
  padding: var(--space-xs) 10px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-dark);
  border-radius: var(--radius);
  transition: color var(--transition);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--orange);
}

.header-phone {
  display: none;
  flex-shrink: 0;
  font-weight: 600;
  color: var(--navy);
  font-size: 0.9375rem;
  transition: color var(--transition);
}

.header-phone:hover {
  color: var(--orange);
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  flex-shrink: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--navy);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  padding: var(--space-sm) 0;
}

.mobile-menu.is-open {
  display: block;
}

.mobile-menu ul {
  display: flex;
  flex-direction: column;
}

.mobile-menu a {
  display: block;
  padding: 12px var(--space-md);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), background-color var(--transition);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  color: var(--orange);
  background-color: var(--bg-light);
}

.mobile-menu-phone {
  padding: var(--space-sm) var(--space-md);
  font-weight: 600;
  color: var(--navy);
  font-size: 1rem;
  display: block;
}

@media (min-width: 768px) {
  .header-inner {
    min-height: 72px;
  }

  .header-logo img {
    height: 56px;
  }

  .header-nav {
    display: flex;
  }

  .header-phone {
    display: block;
  }

  .hamburger {
    display: none;
  }

  .mobile-menu {
    display: none !important;
  }
}


/* --------------------------------------------------------------------------
   Emergency Banner
   -------------------------------------------------------------------------- */

.emergency-banner {
  background-color: var(--orange);
  color: var(--white);
  text-align: center;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9375rem;
}

.emergency-banner a {
  color: var(--white);
  text-decoration: underline;
  transition: opacity var(--transition);
}

.emergency-banner a:hover {
  opacity: 0.85;
}


/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */

.hero {
  background-color: var(--navy);
  color: var(--white);
  padding: 48px 0;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

.hero .btn-group {
  margin-top: var(--space-md);
}

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

.hero .btn-primary:hover {
  background-color: var(--bg-light);
}

.hero .hero-answer {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--space-sm);
  margin-bottom: 0;
  max-width: 640px;
}

@media (min-width: 768px) {
  .hero {
    padding: 80px 0;
  }
}


/* --------------------------------------------------------------------------
   Trust Bar
   -------------------------------------------------------------------------- */

.trust-bar {
  background-color: var(--navy);
  color: var(--white);
  padding: var(--space-md) 0;
}

.trust-bar-inner {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 500;
}

.trust-item-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  color: var(--orange);
}

@media (min-width: 768px) {
  .trust-bar-inner {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }

  .trust-item {
    font-size: 0.9375rem;
  }
}


/* --------------------------------------------------------------------------
   Service Cards
   -------------------------------------------------------------------------- */

.service-card {
  background-color: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  transition: border-color var(--transition);
}

.service-card:hover {
  border-color: var(--orange);
}

.service-card-icon {
  font-size: 1.75rem;
  color: var(--orange);
  margin-bottom: var(--space-xs);
}

.service-card h3 {
  margin-bottom: 4px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  flex: 1;
}

.service-card-price {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-top: var(--space-xs);
}

.service-card-link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--orange);
  transition: color var(--transition);
}

.service-card-link:hover {
  color: var(--navy);
}


/* --------------------------------------------------------------------------
   Review Cards
   -------------------------------------------------------------------------- */

.review-card {
  background-color: var(--bg-light);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.review-stars {
  color: var(--orange);
  font-size: 1.125rem;
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
}

.review-text {
  color: var(--text-dark);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: var(--space-sm);
  font-style: italic;
}

.review-author {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

.review-source {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}


/* --------------------------------------------------------------------------
   Breadcrumb
   -------------------------------------------------------------------------- */

.breadcrumb {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 4px;
}

.breadcrumb li + li::before {
  content: '›';
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition);
}

.breadcrumb a:hover {
  color: var(--orange);
}

.breadcrumb [aria-current="page"] {
  color: var(--text-dark);
}


/* --------------------------------------------------------------------------
   FAQ Accordion
   -------------------------------------------------------------------------- */

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md) 0;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  transition: color var(--transition);
}

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

.faq-toggle {
  flex-shrink: 0;
  font-size: 1.375rem;
  font-weight: 400;
  color: var(--orange);
  line-height: 1;
  width: 24px;
  text-align: center;
}

.faq-answer {
  display: none;
  padding-bottom: var(--space-md);
  color: var(--text-dark);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.faq-item.is-open .faq-answer {
  display: block;
}

.faq-item.is-open .faq-toggle {
  content: '−';
}


/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background-color: var(--navy);
  color: var(--white);
}

.footer-main {
  padding: var(--space-xl) 0 var(--space-lg);
}

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

.footer-col-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--orange);
  margin-bottom: var(--space-sm);
}

.footer-logo {
  margin-bottom: var(--space-sm);
}

.footer-logo img {
  height: 52px;
  width: auto;
}

.footer-tagline {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-xs);
}

.footer-desc {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.footer-phone {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  transition: color var(--transition);
}

.footer-phone:hover {
  color: var(--orange);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
  line-height: 1.4;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-contact-item {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition);
}

.footer-contact-item a:hover {
  color: var(--white);
}

.footer-contact-label {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
  display: block;
  margin-bottom: 2px;
}

.footer-bar {
  background-color: #0a2840;
  padding: var(--space-sm) 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-md);
  }
}


/* --------------------------------------------------------------------------
   Page Hero (inner pages — breadcrumb + H1 on navy)
   -------------------------------------------------------------------------- */

.page-hero {
  background-color: var(--navy);
  color: var(--white);
  padding: var(--space-lg) 0;
}

.page-hero .breadcrumb {
  padding-bottom: var(--space-sm);
}

.page-hero .breadcrumb a,
.page-hero .breadcrumb li::before,
.page-hero .breadcrumb li {
  color: rgba(255, 255, 255, 0.65);
}

.page-hero .breadcrumb a:hover {
  color: var(--white);
}

.page-hero .breadcrumb [aria-current="page"] {
  color: rgba(255, 255, 255, 0.9);
}

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

.page-hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  max-width: 600px;
}

@media (min-width: 768px) {
  .page-hero {
    padding: var(--space-xl) 0;
  }
}


/* --------------------------------------------------------------------------
   Pricing / Feature Lists
   -------------------------------------------------------------------------- */

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  color: var(--text-dark);
}

.feature-list li::before {
  content: '✓';
  color: var(--orange);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.price-badge {
  display: inline-block;
  background-color: var(--orange);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius);
}


/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */

.cta-section {
  background-color: var(--navy);
  color: var(--white);
  padding: var(--space-xl) 0;
  text-align: center;
}

.cta-section h2 {
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 auto var(--space-lg);
}

.cta-section .btn-group {
  justify-content: center;
}

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

.cta-section .btn-primary:hover {
  background-color: var(--bg-light);
}

.cta-section .review-link {
  display: block;
  margin-top: var(--space-sm);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: underline;
  transition: color var(--transition);
}

.cta-section .review-link:hover {
  color: var(--white);
}


/* --------------------------------------------------------------------------
   About / Team
   -------------------------------------------------------------------------- */

.team-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.team-card h3 {
  margin-bottom: 4px;
}

.team-role {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: var(--space-sm);
}

.team-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}


/* --------------------------------------------------------------------------
   Blog
   -------------------------------------------------------------------------- */

.blog-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.blog-card:hover {
  border-color: var(--orange);
}

.blog-card-body {
  padding: var(--space-md);
}

.blog-meta {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

.blog-card h3 {
  margin-bottom: var(--space-xs);
}

.blog-card h3 a {
  color: var(--navy);
  transition: color var(--transition);
}

.blog-card h3 a:hover {
  color: var(--orange);
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}


/* --------------------------------------------------------------------------
   Area Pages
   -------------------------------------------------------------------------- */

.area-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: start;
}

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

.nearby-areas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.nearby-area-link {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--navy);
  transition: border-color var(--transition), color var(--transition);
}

.nearby-area-link:hover {
  border-color: var(--orange);
  color: var(--orange);
}


/* --------------------------------------------------------------------------
   Contact / Info Blocks
   -------------------------------------------------------------------------- */

.info-block {
  background-color: var(--bg-light);
  border-radius: var(--radius);
  padding: var(--space-md);
}

.info-block h3 {
  margin-bottom: var(--space-sm);
}

.info-row {
  display: flex;
  gap: var(--space-sm);
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  font-weight: 600;
  color: var(--navy);
  min-width: 100px;
  flex-shrink: 0;
}


/* --------------------------------------------------------------------------
   Rating Summary Bar (reviews page)
   -------------------------------------------------------------------------- */

.rating-summary {
  background-color: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm) var(--space-lg);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.rating-summary-stars {
  font-size: 1.75rem;
  color: var(--orange);
  letter-spacing: 2px;
  line-height: 1;
}

.rating-summary-score {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}

.rating-summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.rating-summary-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.rating-summary-divider {
  width: 1px;
  height: 40px;
  background-color: var(--border);
  display: none;
}

@media (min-width: 768px) {
  .rating-summary-divider {
    display: block;
  }
}

.review-location-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--navy);
  background-color: rgba(15, 56, 86, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius);
  margin-top: 6px;
}


/* --------------------------------------------------------------------------
   Utility classes
   -------------------------------------------------------------------------- */

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

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }