:root {
  --tropics-bg-main: #fffdf9;
  --tropics-surface-card: #ffffff;
  --tropics-mint-surface: #f0fdf4;
  --sugar-active-green: #10b981;
  --sugar-sweet-orange: #f59e0b;
  --tropics-forest-ink: #064e3b;
  --tropics-muted-ink: #374151;
  --tropics-light-ink: #6b7280;
  --tropics-gradient-flow: linear-gradient(135deg, #10b981 0%, #f59e0b 100%);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Poppins', sans-serif;
  
  /* Feature adjustments based on instructions */
  --border-radius-soft: 18px;
  --section-padding-spacious: 16dvh;
  --shadow-raised: 0 10px 15px -3px rgba(6, 78, 59, 0.1), 0 4px 6px -2px rgba(6, 78, 59, 0.05);
  --shadow-depth-hover: 0 20px 25px -5px rgba(6, 78, 59, 0.15), 0 10px 10px -5px rgba(6, 78, 59, 0.04);
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--tropics-forest-ink);
  line-height: 1.25;
}

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

/* Scroll Progress Tracker */
.scroll-progress-line {
  height: 4px;
  width: 0%;
  background: var(--tropics-gradient-flow);
  position: fixed;
  top: 70px;
  left: 0;
  z-index: 1001;
  animation: progress-grow linear forwards;
  animation-timeline: scroll();
}

@keyframes progress-grow {
  to { width: 100%; }
}

/* Header Styles */
.tropics-top-bar {
  background-color: var(--tropics-surface-card);
  border-bottom: 2px solid var(--tropics-mint-surface);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 70px;
}

.tropics-identity-box {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.tropics-brand-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.2rem;
  font-family: var(--font-display);
  color: var(--sugar-active-green);
}

.tropics-brand-logo svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.tropics-menu-toggle {
  display: none;
}

.tropics-hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
}

.tropics-hamburger-btn span {
  display: block;
  width: 25px;
  height: 3px;
  background-color: var(--tropics-forest-ink);
  transition: 0.3s;
}

.tropics-navigation-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.tropics-navigation-links a:hover {
  color: var(--sugar-sweet-orange);
}

.tropics-nav-btn {
  background: var(--tropics-gradient-flow);
  color: white !important;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-soft);
  font-weight: 600;
  box-shadow: var(--shadow-raised);
}

.tropics-nav-btn:hover {
  opacity: 0.95;
  transform: translateY(-2px);
}

/* Hamburger Menu Responsive */
@media (max-width: 768px) {
  .tropics-hamburger-btn {
    display: flex;
  }

  .tropics-navigation-links {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 250px;
    height: calc(100vh - 70px);
    background-color: var(--tropics-surface-card);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: -5px 0 15px rgba(0,0,0,0.05);
    transition: 0.3s;
    align-items: flex-start;
  }

  .tropics-menu-toggle:checked ~ .tropics-navigation-links {
    right: 0;
  }
}

/* Scroll-driven Reveal Animation */
@keyframes reveal-slide-up {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.reveal-scroll {
  animation: reveal-slide-up both;
  animation-timeline: view();
  animation-range: entry 5% cover 25%;
}

/* Sections Global Pad */
.tropics-division {
  padding: var(--section-padding-spacious) 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Hero Segment - index.html */
.tropics-hero-segment {
  background: linear-gradient(rgba(0,0,0,0.45), rgba(0,0,0,0.65)), url('img/bg.webp') no-repeat center center/cover;
  min-height: calc(100vh - 70px);
  display: flex;
  align-items: center;
  color: white;
  padding: 4rem 2rem;
  position: relative;
}

.tropics-hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.tropics-hero-content h1 {
  color: white;
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

.tropics-hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 2.5rem;
  color: #f3f4f6;
}

.tropics-cta-anchor {
  background: var(--tropics-gradient-flow);
  color: white;
  padding: 1rem 2.5rem;
  border-radius: var(--border-radius-soft);
  font-weight: 700;
  font-size: 1.1rem;
  display: inline-block;
  box-shadow: var(--shadow-raised);
}

.tropics-cta-anchor:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-depth-hover);
}

/* Bento Grid Features */
.bento-grid-wrapper {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.bento-cell {
  background-color: var(--tropics-surface-card);
  padding: 2.5rem;
  border-radius: var(--border-radius-soft);
  box-shadow: var(--shadow-raised);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.bento-cell:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-depth-hover);
}

.bento-cell-span-4 {
  grid-column: span 4;
  background-color: var(--tropics-mint-surface);
  border-left: 6px solid var(--sugar-active-green);
}

.bento-cell-span-2 {
  grid-column: span 2;
  background-color: var(--tropics-forest-ink);
  color: white;
  text-align: center;
  align-items: center;
  justify-content: center;
}

.bento-cell-span-2 h3 {
  color: var(--sugar-sweet-orange);
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.bento-cell-span-3 {
  grid-column: span 3;
}

.bento-cell-span-6 {
  grid-column: span 6;
  background-color: #fef3c7;
  border-left: 6px solid var(--sugar-sweet-orange);
}

.bento-cell-icon {
  width: 48px;
  height: 48px;
  fill: var(--sugar-active-green);
  margin-bottom: 1.5rem;
}

.bento-cell-span-2 .bento-cell-icon {
  fill: var(--sugar-sweet-orange);
}

.bento-cell h4 {
  margin-bottom: 1rem;
  font-size: 1.35rem;
}

.bento-cell p {
  color: var(--tropics-muted-ink);
}

.bento-cell-span-2 p {
  color: #e5e7eb;
}

@media (max-width: 900px) {
  .bento-grid-wrapper {
    grid-template-columns: 1fr;
  }
  .bento-cell {
    grid-column: span 1 !important;
  }
}

/* Background Section with Overlay */
.tropics-parallax-view {
  background: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.75)), url('img/bg2.webp') no-repeat center center/cover;
  padding: 8rem 2rem;
  color: white;
  text-align: center;
}

.tropics-parallax-view h2 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 2.2rem;
}

.tropics-parallax-view p {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.15rem;
  color: #e5e7eb;
}

/* How It Works - Multi-step Sequence */
.tropics-stepper-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 4rem;
}

.tropics-step-card {
  position: relative;
  background: var(--tropics-surface-card);
  padding: 3rem 2rem;
  border-radius: var(--border-radius-soft);
  box-shadow: var(--shadow-raised);
}

.tropics-step-number-bg {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 5rem;
  font-weight: 900;
  color: var(--tropics-mint-surface);
  line-height: 1;
  z-index: 1;
}

.tropics-step-card h4, .tropics-step-card p {
  position: relative;
  z-index: 2;
}

.tropics-step-card h4 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

@media (max-width: 768px) {
  .tropics-stepper-flow {
    grid-template-columns: 1fr;
  }
}

/* CTA Strip */
.tropics-gradient-strip {
  background: var(--tropics-gradient-flow);
  color: white;
  border-radius: var(--border-radius-soft);
  padding: 4rem;
  text-align: center;
  box-shadow: var(--shadow-raised);
  margin-bottom: var(--section-padding-spacious);
}

.tropics-gradient-strip h2 {
  color: white;
  margin-bottom: 1.5rem;
  font-size: 2.2rem;
}

/* Expert / Profile page styles */
.tropics-expert-split {
  display: flex;
  gap: 4rem;
  align-items: center;
}

.tropics-expert-portrait {
  flex: 1;
  max-width: 500px;
}

.tropics-expert-portrait img {
  width: 100%;
  border-radius: var(--border-radius-soft);
  box-shadow: var(--shadow-depth-hover);
}

.tropics-expert-bio {
  flex: 1.2;
}

.tropics-expert-bio h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.tropics-expert-bio p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--tropics-muted-ink);
}

@media (max-width: 768px) {
  .tropics-expert-split {
    flex-direction: column;
  }
}

/* Stat grid */
.tropics-stat-bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 4rem 0;
}

.tropics-stat-item {
  background-color: var(--tropics-mint-surface);
  padding: 2rem;
  text-align: center;
  border-radius: var(--border-radius-soft);
  border-top: 4px solid var(--sugar-active-green);
}

.tropics-stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sugar-active-green);
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .tropics-stat-bento {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Form & Booking Section styles */
.tropics-booking-hub {
  display: flex;
  gap: 4rem;
  align-items: flex-start;
}

.tropics-booking-info {
  flex: 1;
}

.tropics-booking-form {
  flex: 1.2;
  background: var(--tropics-surface-card);
  padding: 3rem;
  border-radius: var(--border-radius-soft);
  box-shadow: var(--shadow-depth-hover);
}

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

.tropics-form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.tropics-form-control {
  width: 100%;
  padding: 0.85rem;
  border: 2px solid var(--tropics-mint-surface);
  border-radius: var(--border-radius-soft);
  font-family: inherit;
  font-size: 1rem;
}

.tropics-form-control:focus {
  outline: none;
  border-color: var(--sugar-active-green);
}

.tropics-checkbox-agree {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.tropics-checkbox-agree input {
  margin-top: 0.25rem;
}

.tropics-submit-trigger {
  width: 100%;
  background: var(--tropics-gradient-flow);
  color: white;
  border: none;
  padding: 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--border-radius-soft);
  cursor: pointer;
  box-shadow: var(--shadow-raised);
}

.tropics-submit-trigger:hover {
  opacity: 0.95;
}

@media (max-width: 768px) {
  .tropics-booking-hub {
    flex-direction: column;
  }
}

/* Native FAQ Accordion */
.tropics-faq-wrapper {
  margin-top: 5rem;
}

.tropics-faq-item {
  background: var(--tropics-surface-card);
  margin-bottom: 1rem;
  border-radius: var(--border-radius-soft);
  box-shadow: var(--shadow-raised);
}

.tropics-faq-item summary {
  padding: 1.5rem 2rem;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tropics-faq-item summary::-webkit-details-marker {
  display: none;
}

.tropics-faq-item summary::after {
  content: "＋";
  font-size: 1.2rem;
  color: var(--sugar-active-green);
}

.tropics-faq-item[open] summary::after {
  content: "－";
}

.tropics-faq-content {
  padding: 0 2rem 1.5rem 2rem;
  color: var(--tropics-muted-ink);
}

/* Cookie Banner styling */
.sugar-cookie-shield {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--tropics-forest-ink);
  color: white;
  padding: 1.5rem 2rem;
  z-index: 9999;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  box-shadow: 0 -10px 25px rgba(0,0,0,0.15);
}

.sugar-cookie-shield p {
  font-size: 0.95rem;
  max-width: 800px;
}

.sugar-cookie-controls {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.sugar-cookie-btn {
  padding: 0.6rem 1.5rem;
  border-radius: var(--border-radius-soft);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
}

.sugar-cookie-btn-accept {
  background-color: var(--sugar-active-green);
  color: white;
}

.sugar-cookie-btn-decline {
  background-color: transparent;
  color: #d1d5db;
  border: 1px solid #4b5563;
}

@media (max-width: 768px) {
  .sugar-cookie-shield {
    flex-direction: column;
    text-align: center;
  }
}

/* Legal text formatting styles */
.legal-main-body {
  max-width: 800px;
  margin: 4rem auto;
  padding: 0 2rem;
}

.legal-main-body h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.legal-main-body h2 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem 0;
}

.legal-main-body p {
  margin-bottom: 1.25rem;
  color: var(--tropics-muted-ink);
}

/* Footer style */
.tropics-footer {
  background-color: var(--tropics-forest-ink);
  color: white;
  padding: 4rem 2rem 2rem 2rem;
  margin-top: var(--section-padding-spacious);
}

.tropics-footer-top {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 2rem;
  margin-bottom: 2rem;
}

.tropics-footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

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

.tropics-footer-links a:hover {
  color: white;
}

.tropics-disclaimer-card {
  max-width: 1200px;
  margin: 0 auto;
  background-color: rgba(255,255,255,0.05);
  border-left: 4px solid var(--sugar-sweet-orange);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
}

.tropics-disclaimer-card p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #cbd5e1;
}

.tropics-copyright {
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}