@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;600;700&family=Sarabun:wght@300;400;500;700&display=swap');

:root {
  --arterial-dark-bg: #0b0f19;
  --arterial-dark-surface: #161f30;
  --arterial-dark-surface-hover: #1e2b42;
  --arterial-dark-ink: #f0f4f8;
  --arterial-dark-ink-muted: #a0aec0;
  --arterial-teal-accent: #00dfa2;
  --arterial-teal-hover: #00b884;
  --arterial-soft-indigo: #4f46e5;
  --arterial-coral-orange: #ff6b6b;
  --arterial-gradient: linear-gradient(135deg, #00dfa2 0%, #4f46e5 100%);
  --arterial-radial-glow: radial-gradient(circle at 50% 50%, rgba(0, 223, 162, 0.15) 0%, rgba(11, 15, 25, 0) 70%);
  
  --font-display: 'Prompt', sans-serif;
  --font-body: 'Sarabun', sans-serif;
  
  --border-radius-soft: 16px;
  --shadow-raised: 0 10px 30px rgba(0, 0, 0, 0.3);
  --section-padding: 10dvh;
}

/* Reset & Global */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  background-color: var(--arterial-dark-bg);
  color: var(--arterial-dark-ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Scroll Progress Bar (CSS Scroll-Driven Animation) */
.systolic-progress-tracker {
  position: fixed;
  top: 0;
  left: 0;
  height: 4px;
  background: var(--arterial-gradient);
  width: 100%;
  transform-origin: 0 50%;
  transform: scaleX(0);
  animation: scroll-progress-bar linear;
  animation-timeline: scroll(root);
  z-index: 10000;
}

@keyframes scroll-progress-bar {
  to { transform: scaleX(1); }
}

/* Header */
.vessel-header-nav {
  position: sticky;
  top: 0;
  background: var(--arterial-dark-surface);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  z-index: 999;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.vessel-nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
}

.vessel-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: #ffffff;
}

.vessel-logo-svg {
  width: 32px;
  height: 32px;
  fill: var(--arterial-teal-accent);
}

.vessel-menu-box {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.vessel-menu-box a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.3s ease;
  position: relative;
}

.vessel-menu-box a:after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--arterial-teal-accent);
  transition: width 0.3s ease;
}

.vessel-menu-box a:hover {
  color: var(--arterial-teal-accent);
}

.vessel-menu-box a:hover:after {
  width: 100%;
}

/* Mobile Hamburger Style (CSS Only) */
.vessel-menu-trigger-input {
  display: none;
}

.vessel-burger-label {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  z-index: 1001;
}

.vessel-burger-label span {
  display: block;
  width: 28px;
  height: 3px;
  background-color: #ffffff;
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hero Section */
.vessel-hero-masthead {
  position: relative;
  height: 100vh;
  min-height: 650px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.vessel-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 15, 25, 0.4) 0%, rgba(11, 15, 25, 0.9) 100%);
  z-index: 1;
}

.vessel-hero-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 2;
  text-align: center;
}

.vessel-hero-container h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.vessel-hero-text {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--arterial-dark-ink-muted);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

/* Floating Stat Bar */
.vessel-stat-floating-dock {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: -60px auto 0;
  padding: 0 2rem;
  position: relative;
  z-index: 10;
}

.vessel-stat-card {
  background-color: var(--arterial-dark-surface);
  border-top: 4px solid var(--arterial-teal-accent);
  border-radius: var(--border-radius-soft);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-raised);
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.vessel-stat-card:hover {
  transform: translateY(-8px);
}

.vessel-stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.vessel-stat-desc {
  font-size: 0.95rem;
  color: var(--arterial-dark-ink-muted);
}

/* Common Layout Elements */
.vessel-section-wrapper {
  padding: var(--section-padding) 2rem;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
}

/* Zigzag Layout Content */
.vessel-zigzag-layout {
  display: flex;
  flex-direction: column;
  gap: 7dvh;
}

.vessel-zigzag-node {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.vessel-zigzag-node:nth-child(even) {
  flex-direction: row-reverse;
}

.vessel-zigzag-image {
  flex: 1;
  border-radius: var(--border-radius-soft);
  overflow: hidden;
  box-shadow: var(--shadow-raised);
  height: 400px;
}

.vessel-zigzag-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vessel-slant-right img {
  clip-path: polygon(0 0, 100% 0, 92% 100%, 0% 100%);
}

.vessel-slant-left img {
  clip-path: polygon(8% 0, 100% 0, 100% 100%, 0% 100%);
}

.vessel-zigzag-desc {
  flex: 1.2;
}

.vessel-zigzag-desc h2 {
  font-size: 2.2rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.vessel-zigzag-desc h2:after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--arterial-gradient);
  margin-top: 0.75rem;
  border-radius: 2px;
}

.vessel-zigzag-desc p {
  color: var(--arterial-dark-ink-muted);
  margin-bottom: 1.5rem;
}

/* Features Block */
.vessel-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3.5rem;
}

.vessel-feature-card {
  background-color: var(--arterial-dark-surface);
  border-left: 4px solid var(--arterial-teal-accent);
  border-radius: var(--border-radius-soft);
  padding: 2.22rem;
  box-shadow: var(--shadow-raised);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vessel-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 223, 162, 0.15);
}

.vessel-feature-icon {
  width: 48px;
  height: 48px;
  fill: var(--arterial-teal-accent);
  margin-bottom: 1.5rem;
}

.vessel-feature-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.vessel-feature-card p {
  color: var(--arterial-dark-ink-muted);
  font-size: 0.95rem;
}

/* Timeline Components */
.vessel-timeline-layout {
  position: relative;
  max-width: 900px;
  margin: 4rem auto 0;
  padding: 2rem 0;
}

.vessel-timeline-layout::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(-50%);
}

.vessel-timeline-card {
  position: relative;
  width: 50%;
  padding: 0 3rem 3rem 0;
}

.vessel-timeline-card:nth-child(even) {
  left: 50%;
  padding: 0 0 3rem 3rem;
}

.vessel-timeline-card::after {
  content: '';
  position: absolute;
  right: -8px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--arterial-teal-accent);
  border: 3px solid var(--arterial-dark-bg);
  z-index: 2;
}

.vessel-timeline-card:nth-child(even)::after {
  left: -8px;
}

.vessel-timeline-bubble {
  background-color: var(--arterial-dark-surface);
  border-radius: var(--border-radius-soft);
  padding: 2rem;
  box-shadow: var(--shadow-raised);
}

.vessel-timeline-bubble h3 {
  margin-bottom: 0.75rem;
}

.vessel-timeline-bubble p {
  color: var(--arterial-dark-ink-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* CTA Strip */
.vessel-cta-strip {
  position: relative;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 8dvh 2rem;
  text-align: center;
}

.vessel-cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 15, 25, 0.85);
  z-index: 1;
}

.vessel-cta-body {
  position: relative;
  z-index: 2;
  max-width: 750px;
  margin: 0 auto;
}

.vessel-cta-body h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.vessel-cta-body p {
  color: var(--arterial-dark-ink-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* Pill-Button Styling */
.vessel-cta-btn {
  display: inline-block;
  background: var(--arterial-gradient);
  color: #ffffff;
  padding: 1rem 2.5rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  box-shadow: 0 4px 15px rgba(0, 223, 162, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
}

.vessel-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 223, 162, 0.6);
}

.vessel-button-subordinate {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: none;
  margin-left: 1rem;
}

.vessel-button-subordinate:hover {
  border-color: var(--arterial-teal-accent);
  background: rgba(0, 223, 162, 0.05);
}

/* Booking Page elements */
.vessel-form-surface {
  background-color: var(--arterial-dark-surface);
  border-radius: var(--border-radius-soft);
  padding: 3rem;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: var(--shadow-raised);
}

.vessel-form-group {
  margin-bottom: 1.5rem;
}

.vessel-form-label {
  display: block;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.vessel-form-input {
  width: 100%;
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: var(--arterial-dark-bg);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.vessel-form-input:focus {
  border-color: var(--arterial-teal-accent);
  outline: none;
}

.vessel-checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.vessel-checkbox-group input {
  margin-top: 4px;
}

.vessel-checkbox-desc {
  font-size: 0.85rem;
  color: var(--arterial-dark-ink-muted);
}

.vessel-checkbox-desc a {
  color: var(--arterial-teal-accent);
  text-decoration: underline;
}

/* FAQ Accordion Grid */
.vessel-faq-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 3.5rem;
}

.vessel-faq-item-box {
  background-color: var(--arterial-dark-surface);
  border-radius: var(--border-radius-soft);
  padding: 2rem;
  box-shadow: var(--shadow-raised);
}

.vessel-faq-query {
  font-size: 1.25rem;
  font-family: var(--font-display);
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--arterial-teal-accent);
}

.vessel-faq-response {
  color: var(--arterial-dark-ink-muted);
  font-size: 0.95rem;
}

/* Footer Section */
.vessel-footer-block {
  background-color: var(--arterial-dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 5rem 2rem 2rem;
}

.vessel-footer-layout {
  max-width: 1200px;
  margin: 0 auto;
}

.vessel-footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 3rem;
  margin-bottom: 4rem;
}

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

.vessel-footer-text {
  color: var(--arterial-dark-ink-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
}

.vessel-footer-nav-list {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.vessel-footer-column-box h4 {
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.vessel-footer-column-box ul {
  list-style: none;
}

.vessel-footer-column-box li {
  margin-bottom: 0.75rem;
}

.vessel-footer-column-box a {
  color: var(--arterial-dark-ink-muted);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.vessel-footer-column-box a:hover {
  color: var(--arterial-teal-accent);
}

.vessel-disclaimer-panel {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.8rem;
  color: var(--arterial-dark-ink-muted);
  line-height: 1.7;
}

.vessel-disclaimer-wrap {
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* Cookie Consent Bar */
.vessel-cookie-consent-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--arterial-dark-surface);
  border-top: 2px solid var(--arterial-teal-accent);
  padding: 1.5rem;
  z-index: 9999;
  display: none;
  box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.4);
}

.vessel-cookie-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.vessel-cookie-message {
  font-size: 0.95rem;
  color: var(--arterial-dark-ink-muted);
}

.vessel-cookie-action-buttons {
  display: flex;
  gap: 1rem;
}

.vessel-cookie-accept-btn {
  background: var(--arterial-teal-accent);
  color: var(--arterial-dark-bg);
  border: none;
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius-soft);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.vessel-cookie-accept-btn:hover {
  background-color: var(--arterial-teal-hover);
}

.vessel-cookie-refuse-btn {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius-soft);
  cursor: pointer;
  transition: border-color 0.3s ease;
}

.vessel-cookie-refuse-btn:hover {
  border-color: var(--arterial-coral-orange);
}

/* Scroll-driven Viewport Animations */
@supports (animation-timeline: view()) {
  .vessel-zigzag-node, 
  .vessel-feature-card, 
  .vessel-timeline-card,
  .vessel-stat-card {
    animation: fade-vessel-in linear both;
    animation-timeline: view();
    animation-range: entry 5% cover 30%;
  }
}

@keyframes fade-vessel-in {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Media queries */
@media (max-width: 991px) {
  .vessel-zigzag-node {
    flex-direction: column !important;
    gap: 2rem;
  }
  
  .vessel-zigzag-image {
    width: 100%;
    height: 300px;
  }
  
  .vessel-timeline-layout::before {
    left: 20px;
  }
  
  .vessel-timeline-card {
    width: 100%;
    padding: 0 0 2rem 3rem !important;
    left: 0 !important;
  }
  
  .vessel-timeline-card::after {
    left: 12px !important;
    right: auto !important;
  }
}

@media (max-width: 768px) {
  .vessel-burger-label {
    display: flex;
  }
  
  .vessel-menu-box {
    position: fixed;
    top: 73px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 73px);
    background-color: var(--arterial-dark-surface);
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
    transition: left 0.3s ease;
    z-index: 1000;
  }
  
  .vessel-menu-trigger-input:checked ~ .vessel-menu-box {
    left: 0;
  }
  
  .vessel-menu-trigger-input:checked ~ .vessel-burger-label span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  
  .vessel-menu-trigger-input:checked ~ .vessel-burger-label span:nth-child(2) {
    opacity: 0;
  }
  
  .vessel-menu-trigger-input:checked ~ .vessel-burger-label span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
  
  .vessel-cookie-container {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
}