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

/* Variables */
:root {
  /* Colors */
  --maritime-navy: #0a192f;
  --maritime-slate: #2e3a59;
  --maritime-blue: #0ea5e9;
  --maritime-blue-light: #7dd3fc;
  --maritime-green: #10b981;
  --maritime-green-light: #6ee7b7;

  /* Text colors */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  /* Other */
  --small-radius: 0.25rem;
  --big-radius: 0.5rem;
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Global Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: "Liberation Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  background-color: var(--maritime-navy);
  color: var(--text-main);
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

section {
  padding: 6rem 0;
  position: relative;
}

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

ul {
  list-style: none;
}

.text-gradient {
  background: linear-gradient(to right, var(--maritime-blue), var(--maritime-green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title {
  font-size: 3rem;
  line-height: 1.2;
  font-weight: bold;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
}

.section-header {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: -0.02em;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-top: 0rem;
  margin-bottom: 1rem;
}


/* Navigation */
.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  transition: all 0.3s ease;
  padding: 1rem 0;
  pointer-events: none; /* Make header container not block events */
}

.navbar-container {
  background: linear-gradient(
    to right,
    rgba(21, 34, 50, 0.8),
    rgba(30, 44, 60, 0.7),
    rgba(21, 34, 50, 0.8)
  );
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 9999px;
  margin-top: 0;
  width: 90%;
  max-width: 850px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  pointer-events: auto; /* Restore pointer events for navbar */
}

.navbar-container::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.1), transparent);
  z-index: -1;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
  z-index: 1000; /* Keep logo visible */
}

.logo-icon {
  height: 2rem;
  width: 2rem;
  background-image: url("../images/logo.svg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  flex-shrink: 0; /* Prevent logo from shrinking */
}

.logo h1 {
  font-size: 1.25rem;
  font-weight: bold;
  letter-spacing: -0.025em;
}

/* Mobile Menu Button */
.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--small-radius);
  z-index: 1000; /* Ensure it's above everything */
  transition: all 0.3s ease;
}

.mobile-menu-button:hover {
  background-color: rgba(46, 58, 89, 0.5);
}

/* Active state styling for the burger button */
.mobile-menu-button[aria-expanded="true"] {
  color: var(--maritime-blue-light);
  background-color: rgba(46, 58, 89, 0.7);
}

/* Mobile Menu Overlay */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -280px; /* Start offscreen */
  bottom: 0;
  width: 280px;
  height: 100vh;
  background-color: var(--maritime-navy);
  z-index: 1001; /* Ensure it's above everything */
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  transition: right 0.3s ease-in-out;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

/* Mobile Menu Backdrop */
.mobile-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000; /* Just below the drawer */
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

/* When menu is shown */
.mobile-drawer.show {
  right: 0;
}

.mobile-backdrop.show {
  display: block;
  opacity: 1;
}

/* Mobile Nav Container */
.mobile-nav {
  width: 100%;
  height: auto;
  padding: 5rem 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0;
  padding: 0;
  width: 100%;
}

/* Mobile Nav Links */
.mobile-nav .nav-link {
  display: block;
  padding: 0.75rem 1rem;
  color: white;
  font-size: 1.125rem;
  font-weight: 500;
  border-radius: var(--small-radius);
  transition: all 0.2s ease;
  text-align: left;
  border-left: 3px solid transparent;
}

.mobile-nav .nav-link:hover {
  color: var(--maritime-blue-light);
  background-color: rgba(46, 58, 89, 0.5);
  border-left: 3px solid var(--maritime-green-light);
}

/* Mobile Close Button */
.mobile-close-button {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--small-radius);
  transition: all 0.2s ease;
}

.mobile-close-button:hover {
  background-color: rgba(46, 58, 89, 0.7);
  color: var(--maritime-blue-light);
  transform: rotate(90deg);
}

.desktop-nav {
  display: block;
}

.desktop-nav ul {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.desktop-nav .nav-link {
  font-size: 1rem;
  color: var(--maritime-blue-light);
}

.desktop-nav .nav-link:hover {
  color: var(--maritime-green-light);
}

.desktop-nav .separator {
  pointer-events: none;
  color: var(--text-muted);
}


/* Hero */
.hero-section {
  position: relative;
  padding-top: 9rem;
  padding-bottom: 4rem;
  overflow: hidden;
}

.hero-content {
  max-width: 50rem;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 10;
  margin-bottom: 4rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.hero-description {
  font-size: 1.5rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.5;
}


/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 2;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.feature-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--big-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.diagonal-gradient {
  background: linear-gradient(
  to bottom right,
  var(--maritime-blue),
  var(--maritime-green)
  );
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
}

.feature-description {
  color: rgba(248, 250, 252, 0.8);
  font-size: 1rem;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}


/* API */
.regions-section {
  margin: 3rem 0;
}

.regions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

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

.region-name {
  font-size: 1.15rem;
  font-weight: 600;
}

.region-status {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-weight: 600;
}

.status-live {
  background-color: rgba(16, 185, 129, 0.2);
  color: var(--maritime-green-light);
}

.status-pending {
  background-color: rgba(14, 165, 233, 0.2);
  color: var(--maritime-blue-light);
}

.region-details,
.region-vessel-types {
  margin-bottom: 0.75rem;
}

.region-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.region-description {
  font-size: 1rem;
  color: rgba(248, 250, 252, 0.8);
}

.vessel-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin-top: 0.25rem;
}

.vessel-type {
  font-size: 0.75rem;
  background-color: rgba(46, 58, 89, 0.3);
  padding: 0.25rem 0.5rem;
  border-radius: var(--small-radius);
}


/* Other */
.emphasis {
  font-weight: bold;
  color: var(--maritime-blue);
}

.click-link {
  color: var(--maritime-blue-light);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.click-link:hover {
  color: var(--maritime-green-light);
}

.primary-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--big-radius);
  background: var(--maritime-blue);
  border: 2px solid var(--maritime-blue-light);
  color: var(--text-main);
  font-weight: 900;
  transition: all 0.3s ease;
}

.primary-button:hover {
  background: var(--maritime-green-light);
  border: 2px solid var(--maritime-green-light);
  color: var(--maritime-navy);
}

.secondary-button {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--big-radius);
  background: var(--maritime-slate);
  border: 2px solid var(--maritime-blue);
  color: var(--text-main);
  font-weight: 500;
  transition: all 0.3s ease;
}

.secondary-button:hover {
  background: var(--maritime-blue);
  border: 2px solid var(--maritime-green-light);
}

.wave-pattern {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4rem;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSI1MHB4IiB2aWV3Qm94PSIwIDAgMTI4MCAxNDAiIHByZXNlcnZlQXNwZWN0UmF0aW89Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGcgZmlsbD0iIzBFQTVFOSI+PHBhdGggZD0iTTEyODAgMEw2NDAgNzAgMCAwdjE0MGgxMjgweiIgZmlsbC1vcGFjaXR5PSIuMDUiLz48cGF0aCBkPSJNMTI4MCAwSDB2MTQwaDEyODB6IiBmaWxsLW9wYWNpdHk9Ii4wMyIvPjxwYXRoIGQ9Ik0wIDE0MGgxMjgwTDY0MCA3MEwwIDE0MHoiLz48L2c+PC9zdmc+");
  background-position: bottom;
  background-repeat: repeat-x;
  background-size: 100% 4rem;
  opacity: 0.1;
}

.bottom-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4rem;
  background-image: url("data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSI1MHB4IiB2aWV3Qm94PSIwIDAgMTI4MCAxNDAiIHByZXNlcnZlQXNwZWN0UmF0aW89Im5vbmUiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGcgZmlsbD0iIzBFQTVFOSI+PHBhdGggZD0iTTEyODAgMEw2NDAgNzAgMCAwdjE0MGgxMjgweiIgZmlsbC1vcGFjaXR5PSIuMDUiLz48cGF0aCBkPSJNMTI4MCAwSDB2MTQwaDEyODB6IiBmaWxsLW9wYWNpdHk9Ii4wMyIvPjxwYXRoIGQ9Ik0wIDE0MGgxMjgwTDY0MCA3MEwwIDE0MHoiLz48L2c+PC9zdmc+");
  background-position: bottom;
  background-repeat: repeat-x;
  background-size: 100% 4rem;
  opacity: 0.2;
}

.image-container {
  text-align: center;
  margin: 0 auto;
  max-width: 1000px;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.image {
  width: 100%;
  height: auto;
  display: block;
}

.caption {
  color: var(--text-muted);
  margin-top: 0.25rem;
  margin-bottom: 0rem;
}

.radial-gradient-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 30% 30%,
    rgba(46, 58, 89, 0.5),
    var(--maritime-navy)
  );
  z-index: 0;
}

.card {
  background-color: rgba(46, 58, 89, 0.4);
  backdrop-filter: blur(16px);
  border: 2px solid var(--maritime-slate);;
  border-radius: var(--big-radius);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
}

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


.list {
  display: flex;
  flex-direction: column;
  margin-top: 0rem;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.list li {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.dot {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 9999px;
  background-color: rgba(var(--maritime-green-light), 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.dot-inner {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 9999px;
  background-color: var(--maritime-green-light);
}


/* Viewer */
#map {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
}

#labelBox {
    position: absolute;
    bottom: 10px;
    left: 10px;
    max-width: 400px;
    padding: 10px;
    background: var(--maritime-slate);
    color: var(--text-main);
    border-radius: var(--big-radius);
    border: 1px solid var(--maritime-green-light);
    line-height: 1.4;
    font-size: 0.9rem;
    user-select: none;
    z-index: 1000;
}

#transitForm {
    position: absolute;
    top: 10px;
    right: 10px;
    max-width: 220px;
    padding: 15px;
    background: var(--maritime-navy);
    color: var(--text-muted);
    border-radius: var(--big-radius);
    box-sizing: border-box;
    font-size: 0.9rem;
    z-index: 1001;
}

.field-group {
    margin-bottom: 12px;
}
.field-group label {
    display: block;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.field-group input {
    width: 100%;
    padding: 6px 8px;
    border-radius: var(--small-radius);
    border: 1px solid var(--maritime-blue-light);
    background: var(--maritime-slate);
    color: var(--text-main);
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}
.field-group select {
    width: 100%;
    padding: 6px 8px;
    border-radius: var(--small-radius);
    border: 1px solid var(--maritime-blue-light);
    background: var(--maritime-slate);
    color: #fff;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
}
.field-group input:focus {
    outline: none;
    border-color: var(--maritime-green-light);
    background: var(--maritime-slate);
}
.field-group select:focus {
    outline: none;
    border-color: var(--maritime-green-light);
    background: var(--maritime-slate);
}

.button-container {
    display: flex;
    justify-content: space-between;
    gap: 5px;
}

.ol-popup {
    padding: 5px 10px;
    background: var(--maritime-slate);
    color: var(--text-main);
    border: 1px solid var(--maritime-green-light);
    border-radius: var(--big-radius);
    white-space: nowrap;
    user-select: none;
    pointer-events: none;
    font-size: 0.8rem;
}
.ol_dark {
    filter: brightness(0.85) invert(100%) hue-rotate(180deg) saturate(0.6);
}


/* Footer */
.footer {
  background-color: rgba(18, 25, 35, 0.8);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo .logo-icon {
  height: 1.5rem;
  width: 1.5rem;
}

.footer-logo h2 {
  font-size: 1.25rem;
  font-weight: 600;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

.footer-links-column h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

.footer-links-column a {
  font-size: 0.875rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.social-links a {
  color: var(--text-muted);
}

.social-links a:hover {
  color: var(--maritime-blue);
}


/* Responsive Styles */
@media (min-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .regions-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .regions-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 2.5rem;
  }

  .hero-title {
    font-size: 3.5rem;
  }
}

@media (max-width: 767px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-button {
    display: block;
  }

  .navbar-container {
    margin-top: 0.5rem;
    width: 95%;
  }

  .navbar {
    padding: 0.75rem 1rem;
  }

  /* Ensure body doesn't scroll when menu is open */
  body.menu-open {
    overflow: hidden;
    position: relative;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero-section {
    padding-top: 7rem;
    padding-bottom: 3rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .regions-grid {
    grid-template-columns: repeat(1, 1fr);
  }

@keyframes float-button {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3px);
  }
  100% {
    transform: translateY(0);
  }
}