/* ============================================
   Stove Flame Care - Main Stylesheet
   Mobile-first, Premium Local Service Design
   ============================================ */

:root {
  --primary: #0a2540;
  --primary-dark: #061828;
  --primary-light: #1a3a5c;
  --accent: #e85d04;
  --accent-hover: #d00000;
  --accent-light: #ff7b2e;
  --white: #ffffff;
  --off-white: #f8f9fa;
  --light-gray: #e9ecef;
  --gray: #6c757d;
  --dark-gray: #343a40;
  --text: #212529;
  --success: #198754;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --font-main: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
}

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

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

body {
  font-family: var(--font-main);
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  padding-bottom: 70px; /* Space for mobile sticky bar */
}

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

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

ul {
  list-style: none;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}

h1 { font-size: 1.875rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

/* ========== CONTAINER ========== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

/* ========== HEADER / NAV ========== */
.header {
  background: var(--primary);
  color: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: none;
}

.nav-list {
  display: flex;
  gap: 1.5rem;
}

.nav-list a {
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.35rem 0;
  position: relative;
}

.nav-list a:hover,
.nav-list a.active {
  color: var(--accent-light);
}

.nav-list a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.mobile-nav {
  display: none;
  background: var(--primary-dark);
  padding: 1rem;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav a {
  display: block;
  color: var(--white);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-weight: 500;
}

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

.mobile-nav a.active {
  color: var(--accent-light);
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  line-height: 1.2;
}

.btn-call {
  background: var(--accent);
  color: var(--white);
}

.btn-call:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-whatsapp {
  background: #25d366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

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

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

.btn-sm {
  padding: 0.6rem 1rem;
  font-size: 0.9rem;
}

.btn-block {
  width: 100%;
}

/* ========== HERO ========== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  padding: 2.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(232,93,4,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--white);
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.hero .subheading {
  font-size: 1.15rem;
  color: var(--accent-light);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero p {
  color: rgba(255,255,255,0.9);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hero-image {
  margin-top: 2rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

/* ========== SECTIONS ========== */
.section {
  padding: 3rem 0;
}

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

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--gray);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

/* ========== WHY CHOOSE US ========== */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--light-gray);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1rem;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ========== SERVICE CARDS ========== */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--light-gray);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.service-card-img {
  height: 180px;
  overflow: hidden;
}

.service-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.service-card:hover .service-card-img img {
  transform: scale(1.05);
}

.service-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.service-card p {
  color: var(--gray);
  font-size: 0.9rem;
  flex: 1;
  margin-bottom: 1rem;
}

.service-card-btns {
  display: flex;
  gap: 0.5rem;
}

.service-card-btns .btn {
  flex: 1;
  padding: 0.65rem 0.5rem;
  font-size: 0.85rem;
}

/* ========== INTRO / ABOUT ========== */
.intro-text {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  color: var(--dark-gray);
}

/* ========== SERVICE AREAS PREVIEW ========== */
.areas-preview {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.area-badge {
  background: var(--primary);
  color: var(--white);
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ========== CTA BANNER ========== */
.cta-banner {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: var(--white);
  padding: 2.5rem 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--white);
  margin-bottom: 0.75rem;
}

.cta-banner p {
  margin-bottom: 1.25rem;
  opacity: 0.95;
}

.cta-banner .btn {
  background: var(--white);
  color: var(--accent);
}

.cta-banner .btn:hover {
  background: var(--primary);
  color: var(--white);
}

/* ========== HOW IT WORKS ========== */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  counter-reset: step;
}

.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  position: relative;
  border: 1px solid var(--light-gray);
}

.step-num {
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.25rem;
  margin: 0 auto 1rem;
}

.step h3 {
  margin-bottom: 0.5rem;
}

.step p {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* ========== LOCATION SECTIONS ========== */
.location-section {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--accent);
}

.location-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.location-section p {
  color: var(--dark-gray);
  font-size: 0.95rem;
}

/* ========== CONTACT INFO ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.contact-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--light-gray);
}

.contact-card .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.contact-card h3 {
  margin-bottom: 0.5rem;
}

.contact-card a {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.25rem;
}

.contact-card a:hover {
  color: var(--accent-hover);
}

/* ========== CONTACT FORM ========== */
.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--light-gray);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--off-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(232, 93, 4, 0.15);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--light-gray);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.faq-question:hover {
  background: var(--off-white);
}

.faq-question .arrow {
  transition: transform 0.3s ease;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.faq-item.open .faq-question .arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 1.25rem 1.25rem;
  color: var(--gray);
  font-size: 0.9rem;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
  padding: 2.5rem 0 1.5rem;
}

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

.footer h3 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.footer p,
.footer a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.75);
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.25rem;
  text-align: center;
  font-size: 0.85rem;
}

/* ========== STICKY MOBILE BOTTOM BAR ========== */
.mobile-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  display: flex;
  background: var(--primary-dark);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.2);
}

.mobile-bar a {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.9rem;
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
}

.mobile-bar .bar-call {
  background: var(--accent);
}

.mobile-bar .bar-whatsapp {
  background: #25d366;
}

.mobile-bar a:active {
  opacity: 0.9;
}

/* ========== UTILITIES ========== */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ========== TABLET ========== */
@media (min-width: 640px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }

  .hero h1 { font-size: 2.5rem; }
  .hero-ctas {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .hero-image img { height: 280px; }

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

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

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

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

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

/* ========== DESKTOP ========== */
@media (min-width: 968px) {
  body { padding-bottom: 0; }

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

  .hero {
    padding: 4rem 0;
  }

  .hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
  }

  .hero-image {
    margin-top: 0;
  }

  .hero-image img {
    height: 340px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .mobile-bar {
    display: none;
  }

  .section {
    padding: 4rem 0;
  }
}

/* ========== ACCESSIBILITY ========== */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}