/* ==========================================
   WATER HEATER REPAIR - PREMIUM DESIGN SYSTEM
   ========================================== */

/* === CSS VARIABLES === */
:root {
  /* Color Palette */
  --primary-blue: #0066cc;
  --primary-dark: #004999;
  --primary-light: #3385d6;
  --accent-orange: #ff6b35;
  --accent-red: #e63946;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --black: #000000;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0066cc 0%, #004999 100%);
  --gradient-hero: linear-gradient(135deg, rgba(0, 102, 204, 0.95) 0%, rgba(0, 73, 153, 0.95) 100%);
  --gradient-accent: linear-gradient(135deg, #ff6b35 0%, #e63946 100%);

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* === GLOBAL RESET === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-primary);
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

/* === TYPOGRAPHY === */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--gray-900);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

/* === CONTAINER === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  font-family: var(--font-primary);
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-md);
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  border-color: var(--primary-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background: var(--gradient-accent);
  color: var(--white);
  border-color: var(--accent-orange);
}

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

.btn-outline {
  background: transparent;
  color: var(--primary-blue);
  border-color: var(--primary-blue);
}

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

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

.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-2px);
}

/* === HEADER === */
.header {
  position: sticky;
  top: 0;
  width: 100%;
  background: var(--white);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: all var(--transition-base);
}

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

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

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

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-blue);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--primary-blue);
}

.nav-link:hover::after {
  width: 100%;
}

.call-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.75rem 1.5rem;
  background: var(--gradient-accent);
  color: var(--white);
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.call-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.call-icon {
  width: 20px;
  height: 20px;
}

.call-number {
  font-size: 1.1rem;
}

.mobile-call-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--gradient-accent);
  color: var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.mobile-call-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* === HERO SECTION === */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><defs><linearGradient id="grad1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%230066cc;stop-opacity:0.95" /><stop offset="100%" style="stop-color:%23004999;stop-opacity:0.95" /></linearGradient></defs><rect fill="url(%23grad1)" width="1200" height="600"/></svg>');
  background-size: cover;
  background-position: center;
  overflow: hidden;
  padding: 40px 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 30% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text {
  color: var(--white);
}

.hero-title {
  color: var(--white);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--gray-100);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.1);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  font-weight: 500;
}

.hero-feature svg {
  width: 20px;
  height: 20px;
  fill: var(--accent-orange);
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.hero-image {
  position: relative;
  animation: float 6s ease-in-out infinite;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 4px solid rgba(255, 255, 255, 0.2);
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-20px);
  }
}

/* === SECTION STYLES === */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  color: var(--primary-blue);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  color: var(--gray-900);
}

.section-description {
  font-size: 1.1rem;
  color: var(--gray-600);
}

/* === ABOUT US SECTION === */
.about {
  background: var(--gray-50);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, transparent 100%);
}

.about-text h2 {
  margin-bottom: var(--spacing-md);
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
}

.about-points {
  display: grid;
  gap: var(--spacing-md);
}

.about-point {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.about-point:hover {
  transform: translateX(10px);
  box-shadow: var(--shadow-md);
}

.about-point-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.5rem;
}

.about-point-content h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--gray-900);
}

.about-point-content p {
  margin: 0;
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* === SERVICES SECTION === */
.services {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 102, 204, 0.2) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-base);
}

.service-card:hover .service-icon {
  background: var(--gradient-primary);
  color: var(--white);
  transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-900);
}

.service-card p {
  color: var(--gray-600);
  line-height: 1.7;
}

/* === STATES SECTION === */
.states {
  background: var(--gray-50);
}

.states-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--spacing-sm);
}

.state-item {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 600;
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
  transition: all var(--transition-base);
  cursor: pointer;
}

.state-item:hover {
  background: var(--primary-blue);
  color: var(--white);
  border-color: var(--primary-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* === CTA SECTION === */
.cta {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.cta::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--white);
  font-size: clamp(2rem, 4vw, 3.5rem);
  margin-bottom: var(--spacing-md);
}

.cta-content p {
  font-size: 1.3rem;
  color: var(--gray-100);
  margin-bottom: var(--spacing-xl);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.cta-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.cta-feature svg {
  width: 24px;
  height: 24px;
  fill: var(--accent-orange);
}

/* === FOOTER === */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  max-width: 350px;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--spacing-md);
  display: block;
}

.footer-description {
  color: var(--gray-300);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.footer-brand p {
  color: var(--white);
  font-weight: 500;
}

.footer-column h3 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-link {
  color: var(--gray-300);
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--white);
  font-weight: 400;
}

.footer-bottom p {
  color: var(--gray-400);
  font-size: 0.95rem;
}

/* === MOBILE RESPONSIVENESS === */
@media (max-width: 992px) {
  .logo {
    font-size: 1.25rem;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }

  .nav-menu.active {
    display: flex;
  }

  .call-button .call-number {
    display: none;
  }

  .call-button {
    display: none;
  }

  .mobile-call-btn {
    display: flex;
    order: 1;
    margin-right: 0.5rem;
  }

  .menu-toggle {
    display: flex;
    order: 2;
  }

  .nav {
    gap: 0.5rem;
  }

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

  .hero-image {
    display: none;
  }

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

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

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

@media (max-width: 640px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero-buttons,
  .cta-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}