@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --primary: #4f46e5; /* Indigo */
  --primary-glow: rgba(79, 70, 229, 0.15);
  --secondary: #9333ea; /* Purple */
  --accent: #db2777; /* Pink */
  --accent-cyan: #0891b2; /* Cyan */
  --accent-green: #059669; /* Green */
  --gradient-rainbow: linear-gradient(135deg, #4f46e5 0%, #9333ea 50%, #db2777 100%);
  --gradient-glow: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(147, 51, 234, 0.05) 100%);
  --border-color: rgba(15, 23, 42, 0.08);
  --border-hover: rgba(15, 23, 42, 0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar Style */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Typography & Layout Utilities */
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 4rem 0;
  }
}

.text-gradient {
  background: var(--gradient-rainbow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 9999px;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 0.75rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
}

.btn-primary {
  background: var(--gradient-rainbow);
  color: white;
  box-shadow: 0 4px 15px rgba(79, 70, 229, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
  background: rgba(15, 23, 42, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.08);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

/* Glassmorphism Cards */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  transition: var(--transition-smooth);
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
}

/* Header & Nav */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo svg {
  width: 2.25rem;
  height: 2.25rem;
  fill: url(#logo-grad);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.75rem;
}

/* Hero Section */
.hero {
  padding-top: 12rem;
  padding-bottom: 8rem;
  text-align: center;
  position: relative;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0.95) 100%), 
              url('../images/ship.jpg') no-repeat center center;
  background-size: cover;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1.5px;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 4rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2.5rem;
  max-width: 600px;
  margin: 0 auto;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.stat-num span {
  color: var(--primary);
}

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

/* Features Grid */
.features h2,
.pricing-section h2,
.faq-section h2,
.reviews-section h2,
.articles-section h2 {
  font-size: 2.25rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-icon-wrapper {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 0.75rem;
  background: var(--gradient-rainbow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-icon-wrapper svg {
  width: 1.75rem;
  height: 1.75rem;
  color: white;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Pricing Slider / Comparison Widget */
.pricing-widget {
  margin-top: 3rem;
  margin-bottom: 5rem;
}

.slider-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 3rem;
  max-width: 800px;
  margin: 0 auto;
  backdrop-filter: blur(16px);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.slider-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.slider-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.slider-value span {
  font-size: 1rem;
  color: var(--text-secondary);
}

.custom-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  margin-bottom: 2.5rem;
  cursor: pointer;
}

.custom-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--gradient-rainbow);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.8);
  transition: transform 0.1s ease;
}

.custom-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.calc-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.calc-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.calc-stat-val {
  font-size: 1.25rem;
  font-weight: 700;
}

.calc-stat-highlight {
  color: var(--accent-green);
}

/* Pricing Grid Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.price-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1.25rem;
  transition: var(--transition-smooth);
}

.price-card.popular {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.1) 0%, rgba(13, 18, 37, 0.4) 100%), var(--bg-card);
  position: relative;
  overflow: hidden;
}

.price-card.popular::before {
  content: 'POPULAR';
  position: absolute;
  top: 15px;
  right: -30px;
  background: var(--gradient-rainbow);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.25rem 2.5rem;
  transform: rotate(45deg);
}

.price-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-hover);
}

.price-card.popular:hover {
  border-color: var(--secondary);
}

.price-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.price-amt {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
}

.price-amt span {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-left: 0.25rem;
}

.price-features {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.price-features svg {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--accent-green);
  flex-shrink: 0;
}

.price-card .btn {
  margin-top: auto;
  width: 100%;
}

/* Articles List / Portal Section */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
}

.article-thumb {
  height: 200px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.article-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 16px 16px;
}

.article-meta {
  display: flex;
  gap: 1rem;
  padding: 1.5rem 1.5rem 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.article-content {
  padding: 0 1.5rem 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-content h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.article-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-link {
  margin-top: auto;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.article-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.2s ease;
}

.article-card:hover .article-link svg {
  transform: translateX(4px);
}

/* User Reviews Section */
.reviews-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  border-radius: 1rem;
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.user-avatar {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--gradient-rainbow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: white;
}

.user-details h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

.user-details span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.rating-stars {
  display: flex;
  gap: 0.15rem;
  color: #fbbf24; /* Amber */
}

.rating-stars svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
}

.review-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 3rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  cursor: pointer;
  user-select: none;
}

.faq-question h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.faq-toggle-icon {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform 0.3s ease;
  color: var(--text-secondary);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Article Template Customizations */
.article-page {
  padding-top: 8rem;
  padding-bottom: 6rem;
}

.article-header {
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

.article-header h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.article-body-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 3rem;
}

@media (max-width: 992px) {
  .article-body-layout {
    grid-template-columns: 1fr;
  }
}

.article-main-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 3rem;
  border-radius: 1.5rem;
  backdrop-filter: blur(16px);
}

@media (max-width: 768px) {
  .article-main-content {
    padding: 1.5rem;
  }
}

.article-main-content h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  border-left: 4px solid var(--primary);
  padding-left: 0.75rem;
}

.article-main-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.article-main-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.75;
  text-align: justify;
}

.article-main-content ul, 
.article-main-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.article-main-content li {
  margin-bottom: 0.5rem;
}

.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  border-radius: 1rem;
}

.sidebar-widget h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.related-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.related-list a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.related-list a:hover {
  color: var(--primary);
}

.related-list span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.cta-widget {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(236, 72, 153, 0.15)), var(--bg-card);
  border-color: var(--primary);
  text-align: center;
}

.cta-widget p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* Footer Section */
footer {
  background: #f1f5f9;
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(2, 1fr);
  gap: 4rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.footer-brand p {
  margin-top: 1rem;
  color: var(--text-muted);
  max-width: 320px;
}

.footer-links h4 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-links ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

.seo-keywords-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px dashed var(--border-color);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.seo-keyword-tag {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

/* Mobile Nav Styles */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-actions {
    display: none;
  }
  
  /* Mobile Menu Open */
  .mobile-menu-active header .container {
    position: relative;
  }
  
  .mobile-menu {
    position: fixed;
    top: 5rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    z-index: 99;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 0.4s ease, opacity 0.3s ease;
    border-top: 1px solid var(--border-color);
  }
  
  .mobile-menu.open {
    transform: translateY(0);
    opacity: 1;
  }
  
  .mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .mobile-menu-links a {
    font-size: 1.25rem;
    font-weight: 700;
  }
  
  .mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: auto;
  }
  
  .mobile-menu-actions .btn {
    width: 100%;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.05rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    padding: 0 1rem;
  }
  
  .hero-stats {
    gap: 2rem;
  }
  
  .stat-num {
    font-size: 1.5rem;
  }
  
  .calc-results {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}