/* ================================================
   CUA Pools - Modern CSS (Commercial)
   ================================================ */

:root {
  --cua-primary: #0891b2;
  --cua-primary-dark: #0e7490;
  --cua-primary-light: #22d3ee;
  --cua-accent: #f59e0b;
  --cua-dark: #0f172a;
  --cua-gray-900: #1e293b;
  --cua-gray-700: #334155;
  --cua-gray-500: #64748b;
  --cua-gray-300: #cbd5e1;
  --cua-gray-100: #f1f5f9;
  --cua-white: #ffffff;
  --cua-gradient: linear-gradient(135deg, var(--cua-primary) 0%, var(--cua-primary-dark) 100%);
  --cua-gradient-hero: linear-gradient(135deg, #0f172a 0%, #0e4456 50%, #0891b2 100%);
  --cua-radius: 12px;
  --cua-radius-lg: 20px;
  --cua-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --cua-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --cua-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* ------------------------------------------------
   Base
   ------------------------------------------------ */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--cua-gray-700);
  background-color: var(--cua-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--cua-dark);
  font-weight: 700;
  line-height: 1.2;
}

a {
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* ------------------------------------------------
   Sections
   ------------------------------------------------ */
section {
  padding: 80px 0;
}

.section-header {
  margin-bottom: 50px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--cua-gray-500);
  max-width: 650px;
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cua-primary);
  margin-bottom: 8px;
}

.divider-line {
  width: 60px;
  height: 4px;
  background: var(--cua-gradient);
  border-radius: 2px;
  margin: 12px auto;
}

.divider-left {
  margin-left: 0;
}

/* ------------------------------------------------
   Navbar
   ------------------------------------------------ */
#mainNav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1030;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  transition: all 0.3s ease;
}

#mainNav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

#mainNav .navbar-brand .logo {
  height: 36px;
}

#mainNav .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
  color: var(--cua-white);
}

#mainNav .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

#mainNav .navbar-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

#mainNav .nav-link {
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 16px;
  transition: color 0.3s;
}

#mainNav .nav-link:hover,
#mainNav .nav-link:focus {
  color: var(--cua-primary-light);
}

#mainNav .btn-primary {
  background: var(--cua-gradient);
  border: none;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 8px;
  color: var(--cua-white);
  display: inline-block;
}

#mainNav .btn-primary:hover {
  box-shadow: 0 4px 15px rgba(8, 145, 178, 0.4);
  transform: translateY(-1px);
}

#mainNav.scrolled {
  box-shadow: var(--cua-shadow-lg);
}

/* ------------------------------------------------
   Hero
   ------------------------------------------------ */
.hero-section {
  background: var(--cua-gradient-hero);
  color: var(--cua-white);
  padding: 160px 0 100px;
}

.min-vh-75 {
  min-height: 60vh;
}

.hero-content {
  padding-top: 20px;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  color: var(--cua-white);
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--cua-primary-light);
  margin-bottom: 12px;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons .btn-primary {
  background: var(--cua-gradient);
  border: none;
  padding: 14px 36px;
  font-weight: 600;
  border-radius: 10px;
  font-size: 1.1rem;
}

.hero-buttons .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(8, 145, 178, 0.4);
}

/* Commercial hero */
.commercial-hero {
  background: var(--cua-gradient-hero);
  color: var(--cua-white);
  padding: 160px 0 80px;
}

.commercial-hero .hero-title {
  color: var(--cua-white);
}

.commercial-hero .hero-subtitle {
  color: var(--cua-primary-light);
}

.min-vh-50 {
  min-height: 40vh;
}

/* ------------------------------------------------
   Services Section
   ------------------------------------------------ */
.section-services {
  background: var(--cua-gray-100);
}

.service-card {
  background: var(--cua-white);
  border-radius: var(--cua-radius-lg);
  padding: 40px;
  box-shadow: var(--cua-shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.service-features {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}

.service-features li {
  padding: 8px 0;
  font-size: 1.05rem;
}

/* ------------------------------------------------
   Why Choose CUA
   ------------------------------------------------ */
.section-why {
  background: var(--cua-white);
}

.why-features {
  margin-top: 24px;
}

.why-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.why-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: var(--cua-gray-100);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cua-primary);
  font-size: 1.2rem;
}

.why-text h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.why-text p {
  font-size: 0.9rem;
  color: var(--cua-gray-500);
  margin-bottom: 0;
}

.why-image {
  max-height: 500px;
  object-fit: cover;
  box-shadow: var(--cua-shadow-lg);
}

/* ------------------------------------------------
   Reviews
   ------------------------------------------------ */
.section-reviews {
  background: var(--cua-gray-100);
}

.review-card {
  background: var(--cua-white);
  border-radius: var(--cua-radius-lg);
  padding: 32px;
  box-shadow: var(--cua-shadow);
  height: 100%;
}

.review-card .stars {
  color: var(--cua-accent);
  margin-bottom: 16px;
}

.review-card .stars i {
  margin-right: 2px;
}

.review-text {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--cua-gray-700);
  margin-bottom: 20px;
  line-height: 1.7;
}

.reviewer {
  display: flex;
  align-items: center;
}

.reviewer-info h5 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.reviewer-info span {
  font-size: 0.85rem;
  color: var(--cua-gray-500);
}

/* ------------------------------------------------
   Repairs
   ------------------------------------------------ */
.section-repairs {
  background: var(--cua-white);
}

.repair-item {
  background: var(--cua-gray-100);
  border-radius: var(--cua-radius);
  padding: 24px 16px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  height: 100%;
}

.repair-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--cua-shadow);
}

.repair-item i {
  margin-bottom: 12px;
}

.repair-item p {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0;
  color: var(--cua-dark);
}

/* ------------------------------------------------
   Contact Section
   ------------------------------------------------ */
.section-contact {
  background: var(--cua-gray-100);
}

.section-contact .form-floating .form-control {
  border-radius: 10px;
  border: 1px solid var(--cua-gray-300);
}

.section-contact .form-floating .form-control:focus {
  border-color: var(--cua-primary);
  box-shadow: 0 0 0 0.2rem rgba(8, 145, 178, 0.15);
}

.section-contact .btn-primary {
  background: var(--cua-gradient);
  border: none;
  border-radius: 10px;
  font-weight: 600;
  padding: 14px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.section-contact .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(8, 145, 178, 0.3);
}

.contact-info-card {
  background: var(--cua-dark);
  color: var(--cua-white);
  border-radius: var(--cua-radius-lg);
  padding: 36px;
}

.contact-info-card h4 {
  color: var(--cua-white);
  margin-bottom: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.contact-item i {
  color: var(--cua-primary-light);
  margin-top: 4px;
}

.contact-text p,
.contact-text a {
  color: rgba(255,255,255,0.8);
  margin-bottom: 0;
}

.contact-text a:hover {
  color: var(--cua-primary-light);
}

.social-links h5 {
  color: var(--cua-white);
  font-size: 1rem;
  margin-bottom: 12px;
}

.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  color: var(--cua-white);
  margin-right: 8px;
  transition: background 0.3s, transform 0.3s;
}

.social-icons a:hover {
  background: var(--cua-primary);
  transform: translateY(-2px);
}

/* ------------------------------------------------
   Pricing Cards (Commercial page)
   ------------------------------------------------ */
.section-packages {
  background: var(--cua-white);
}

.pricing-card {
  background: var(--cua-white);
  border: 1px solid var(--cua-gray-300);
  border-radius: var(--cua-radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.pricing-card.featured {
  border-color: var(--cua-primary);
  box-shadow: 0 0 0 2px var(--cua-primary);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cua-gradient);
  color: var(--cua-white);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-header {
  margin-bottom: 24px;
}

.pricing-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-amount .price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cua-primary);
}

.pricing-amount .period {
  font-size: 1rem;
  color: var(--cua-gray-500);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  text-align: left;
  flex-grow: 1;
}

.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--cua-gray-100);
}

.pricing-features li i {
  color: var(--cua-primary);
  margin-right: 8px;
  width: 16px;
}

.pricing-card .btn {
  border-radius: 10px;
  font-weight: 600;
  padding: 12px;
}

/* ------------------------------------------------
   Expert / Feature Blocks (Commercial page)
   ------------------------------------------------ */
.section-expert {
  background: var(--cua-gray-100);
}

.feature-block {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 12px;
}

.feature-block-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: var(--cua-white);
  border-radius: var(--cua-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--cua-shadow);
}

.feature-block-text h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.feature-block-text p {
  font-size: 0.92rem;
  color: var(--cua-gray-500);
  margin-bottom: 0;
}

/* Partnership */
.section-partnership {
  background: var(--cua-dark);
  color: var(--cua-white);
  padding: 60px 0;
}

.section-partnership .section-title {
  color: var(--cua-white);
}

.section-partnership .lead {
  color: rgba(255,255,255,0.8);
  max-width: 800px;
  margin: 0 auto;
}

/* About (commercial) */
.section-about {
  background: var(--cua-gray-100);
}

/* ------------------------------------------------
   Footer
   ------------------------------------------------ */
.site-footer {
  background: var(--cua-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 20px;
}

.site-footer h5 {
  color: var(--cua-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 8px;
  font-size: 0.9rem;
}

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

.footer-links a:hover {
  color: var(--cua-primary-light);
}

.footer-links i {
  color: var(--cua-primary-light);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  margin-right: 8px;
  transition: background 0.3s, color 0.3s;
}

.footer-social a:hover {
  background: var(--cua-primary);
  color: var(--cua-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  margin-top: 40px;
}

.footer-bottom p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

/* ------------------------------------------------
   Animations
   ------------------------------------------------ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------
   Responsive
   ------------------------------------------------ */
@media (max-width: 991px) {
  .hero-title {
    font-size: 2.25rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  section {
    padding: 60px 0;
  }

  .hero-section {
    padding: 140px 0 80px;
  }

  .commercial-hero {
    padding: 140px 0 60px;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  section {
    padding: 50px 0;
  }

  .hero-section {
    padding: 120px 0 60px;
  }

  .commercial-hero {
    padding: 120px 0 50px;
  }

  .pricing-card {
    max-width: 400px;
    margin: 0 auto;
  }
}

/* ------------------------------------------------
   Blog
   ------------------------------------------------ */
.blog-hero {
  background: var(--cua-gradient-hero);
  color: var(--cua-white);
  padding: 160px 0 60px;
}

.blog-hero .hero-title {
  color: var(--cua-white);
  font-size: 2.5rem;
}

.blog-hero .hero-subtitle {
  color: rgba(255,255,255,0.7);
}

/* Blog index cards */
.blog-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

.blog-card {
  background: var(--cua-white);
  border: 1px solid var(--cua-gray-300);
  border-radius: var(--cua-radius-lg);
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.blog-card-badge {
  display: inline-block;
  background: var(--cua-gray-100);
  color: var(--cua-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 14px;
  align-self: flex-start;
}

.blog-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--cua-gray-500);
  flex-grow: 1;
  margin-bottom: 16px;
}

.blog-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  border-top: 1px solid var(--cua-gray-100);
  padding-top: 12px;
}

.blog-date {
  color: var(--cua-gray-500);
}

.blog-read {
  color: var(--cua-primary);
  font-weight: 600;
}

.section-blog-index {
  background: var(--cua-gray-100);
}

/* Blog post page */
.blog-post-hero {
  background: var(--cua-gradient-hero);
  color: var(--cua-white);
  padding: 140px 0 50px;
}

.blog-post-meta-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.blog-back {
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
}

.blog-back:hover {
  color: var(--cua-primary-light);
}

.blog-category {
  background: rgba(255,255,255,0.15);
  color: var(--cua-primary-light);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 6px;
}

.blog-post-title {
  color: var(--cua-white);
  font-size: 2.25rem;
  margin-bottom: 12px;
}

.blog-post-info {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
}

.section-blog-post {
  padding: 60px 0 80px;
}

.blog-content h3 {
  margin-top: 32px;
  margin-bottom: 12px;
  font-size: 1.35rem;
}

.blog-content h4 {
  margin-top: 24px;
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.blog-content p {
  margin-bottom: 16px;
  line-height: 1.8;
}

.blog-content ul,
.blog-content ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.blog-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.blog-cta-box {
  background: var(--cua-gray-100);
  border-radius: var(--cua-radius-lg);
  padding: 32px;
  text-align: center;
  margin: 48px 0 32px;
}

.blog-cta-box h4 {
  margin-bottom: 8px;
}

.blog-cta-box p {
  color: var(--cua-gray-500);
  margin-bottom: 16px;
}

.blog-post-nav {
  text-align: center;
  margin-top: 24px;
}

@media (max-width: 767px) {
  .blog-post-title {
    font-size: 1.5rem;
  }

  .blog-post-meta-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}