/* ==========================================================================
   RESET & THEME VARIABLES
   ========================================================================== */
:root {
  --bg-dark: #0a0f1d;
  --bg-card: rgba(18, 26, 47, 0.65);
  --border-color: rgba(255, 255, 255, 0.12);
  --primary-accent: #00d2ff;
  --secondary-accent: #3a7bd5;
  --text-main: #f0f4f8;
  --text-muted: #94a3b8;
  --gradient-glow: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
  --glow-shadow: 0 0 25px rgba(0, 210, 255, 0.3);
  --transition-fast: 0.3s ease;
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  position: relative;
}

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

a:hover {
  color: #fff;
}

/* ==========================================================================
   GLASSMORPHISM & UI COMPONENTS
   ========================================================================== */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 210, 255, 0.4);
  box-shadow: var(--glow-shadow);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--gradient-glow);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 210, 255, 0.6);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.logo-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-glow);
  box-shadow: var(--glow-shadow);
}

.nav-links {
  display: flex;
  gap: 28px;
}

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

.nav-links a:hover {
  color: var(--primary-accent);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.8rem;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 160px 24px 100px;
  text-align: center;
  overflow: hidden;
}

.floating-bg-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,210,255,0.15) 0%, rgba(58,123,213,0.05) 50%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
}

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

.badge-animated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 30px;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  font-size: 0.85rem;
  color: var(--primary-accent);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-section h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtext {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.stat-card {
  padding: 24px;
  text-align: center;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-accent);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   SERVICES & SECTION HEADERS
   ========================================================================== */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 50px;
  padding: 0 24px;
}

.section-header h2 {
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
}

.services-section {
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  padding: 36px;
  display: flex;
  flex-direction: column;
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: #fff;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 24px;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-accent);
}

.service-link {
  font-weight: 600;
  font-size: 0.9rem;
}

/* ==========================================================================
   PROCESS TIMELINE
   ========================================================================== */
.process-section {
  padding: 80px 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}

.timeline-step {
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-number {
  background: var(--gradient-glow);
  color: #fff;
  font-weight: 800;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--glow-shadow);
}

.step-content {
  padding: 24px;
  flex-grow: 1;
}

.step-content h3 {
  color: #fff;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ==========================================================================
   PORTFOLIO SHOWCASE (CSS IMAGE PLACEHOLDERS)
   ========================================================================== */
.portfolio-section {
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.portfolio-card {
  overflow: hidden;
  padding: 0;
}

.css-image-placeholder {
  height: 200px;
  width: 100%;
  background-size: cover;
  background-position: center;
  position: relative;
}

.pool-shell-graphic {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-bottom: 2px solid var(--primary-accent);
}

.equipment-pad-graphic {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-bottom: 2px solid var(--secondary-accent);
}

.safety-fence-graphic {
  background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
  border-bottom: 2px solid var(--primary-accent);
}

.portfolio-info {
  padding: 20px;
}

.portfolio-info h4 {
  color: #fff;
  margin-bottom: 6px;
}

.portfolio-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ==========================================================================
   ARTICLE STYLING (SEO ARTICLE)
   ========================================================================== */
.article-section {
  padding: 80px 24px;
  max-width: 960px;
  margin: 0 auto;
}

.article-container {
  padding: 60px 48px;
}

.article-header {
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}

.article-category {
  color: var(--primary-accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.article-header h2 {
  font-size: 2.2rem;
  color: #fff;
  margin-bottom: 12px;
}

.article-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.article-container p {
  margin-bottom: 24px;
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-container h2 {
  font-size: 1.6rem;
  color: #fff;
  margin: 40px 0 20px;
}

.article-container h3 {
  font-size: 1.25rem;
  color: var(--primary-accent);
  margin: 28px 0 14px;
}

.article-container ul, .article-container ol {
  margin: 0 0 24px 24px;
  color: #cbd5e1;
}

.article-container li {
  margin-bottom: 10px;
}

/* CALLOUT & FEATURE BOXES */
.callout-box {
  padding: 24px;
  border-radius: 12px;
  margin: 32px 0;
  border-left: 4px solid;
}

.info-box {
  background: rgba(0, 210, 255, 0.08);
  border-left-color: var(--primary-accent);
}

.warning-box {
  background: rgba(239, 68, 68, 0.08);
  border-left-color: #ef4444;
}

.callout-box h4 {
  color: #fff;
  margin-bottom: 8px;
}

/* COMPARISON TABLE */
.comparison-table-wrapper {
  overflow-x: auto;
  margin: 36px 0;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  border: 1px solid var(--border-color);
}

.comparison-table th, .comparison-table td {
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.comparison-table th {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.comparison-table td {
  color: var(--text-muted);
}

.feature-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: 12px;
}

.feature-card h4 {
  color: var(--primary-accent);
  margin-bottom: 8px;
}

.checklist-box {
  background: rgba(0, 210, 255, 0.05);
  border: 1px solid rgba(0, 210, 255, 0.2);
  padding: 28px;
  border-radius: 12px;
  margin: 36px 0;
}

.checklist-box h4 {
  color: #fff;
  margin-bottom: 16px;
}

.checklist-items {
  list-style: none !important;
  margin: 0 !important;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.summary-box {
  background: rgba(58, 123, 213, 0.1);
  border: 1px solid rgba(58, 123, 213, 0.3);
  padding: 24px;
  border-radius: 12px;
  margin-top: 40px;
}

/* ==========================================================================
   FAQ SECTION (ACCORDION)
   ========================================================================== */
.faq-section {
  padding: 80px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-accordion-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-icon {
  font-size: 1.4rem;
  color: var(--primary-accent);
  transition: transform 0.3s ease;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  padding: 80px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.contact-container {
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h2 {
  color: #fff;
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 28px;
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.info-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-icon {
  font-size: 1.4rem;
}

.contact-cta-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-form h3 {
  color: #fff;
  margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: #fff;
  font-size: 0.95rem;
  outline: none;
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary-accent);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-color);
  background: #060913;
  padding: 60px 24px 30px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 12px;
}

.footer-col h4 {
  color: #fff;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 900px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links, .btn-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .hero-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .article-container {
    padding: 32px 20px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}