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

:root {
  --primary-blue: #003399;
  --white: #FFFFFF;
  --dark-grey: #333333;
  --medium-grey: #666666;
  --light-grey: #F0F0F0;
  --light-blue-hover: #E0EFFF;
  --font-primary: 'Montserrat', Arial, sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --border-radius: 6px;
  --transition-speed: 0.3s;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--dark-grey);
  background-color: var(--white);
  line-height: 1.6;
}

/* Custom Cursor (Desktop) */
@media (min-width: 1024px) {
  a, button, input[type="submit"], input[type="button"], select {
    cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="%23003399"><path d="M12 2C8 6 4 12 4 16c0 4.418 3.582 8 8 8s8-3.582 8-8c0-4-4-10-8-14z"/></svg>') 10 10, pointer !important;
  }
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--dark-grey);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
p { font-size: 1rem; color: var(--medium-grey); margin-bottom: var(--spacing-sm); }
a { color: var(--primary-blue); text-decoration: none; transition: all var(--transition-speed) ease; }
img { max-width: 100%; height: auto; display: block; }

/* Layout & Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}
.section {
  padding: var(--spacing-lg) 0;
}
.section-alt {
  background: linear-gradient(to bottom, rgba(240,240,240,0.8), rgba(255,255,255,0.8));
}
.text-center { text-align: center; }

/* Buttons & CTAs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all var(--transition-speed) ease;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
  border: 2px solid var(--primary-blue);
}
.btn-primary:hover {
  background-color: #002266;
  border-color: #002266;
  color: var(--white);
  box-shadow: 0 4px 8px rgba(0, 51, 153, 0.2);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}
.btn-secondary:hover {
  background-color: var(--light-blue-hover);
  color: var(--primary-blue);
  transform: translateY(-2px);
}

.link-cta {
  color: var(--primary-blue);
  font-weight: 600;
  text-decoration: none;
  position: relative;
  display: inline-block;
}
.link-cta::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  bottom: -2px;
  left: 0;
  background-color: var(--primary-blue);
  transform: scaleX(0);
  transition: transform var(--transition-speed) ease;
}
.link-cta:hover::after {
  transform: scaleX(1);
}

/* Form Styles */
form { display: flex; flex-direction: column; gap: var(--spacing-sm); }
.form-group { position: relative; }
label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--dark-grey);
  transition: all var(--transition-speed) ease;
}
input, textarea, select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-speed) ease;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary-blue);
}
.form-group:focus-within label {
  transform: translateY(-5px) scale(0.9);
  transform-origin: left top;
  color: var(--primary-blue);
}

/* Grid System */
.grid { display: grid; gap: var(--spacing-md); }
.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(1, 1fr); }

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Header & Nav */
.top-bar {
  background: var(--light-grey);
  padding: 0.5rem 0;
  text-align: right;
  font-size: 0.875rem;
}
.top-bar a {
  color: var(--dark-grey);
  font-weight: 500;
}
.top-bar a:hover { color: var(--primary-blue); }

.site-header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: all var(--transition-speed) ease;
}
.site-header.scrolled {
  padding: 0.5rem 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem var(--spacing-sm);
  transition: all var(--transition-speed) ease;
}
.logo-container {
  display: flex;
  align-items: center;
  max-width: 250px;
}
.logo-container img { transition: all var(--transition-speed) ease; }
.site-header.scrolled .logo-container img { transform: scale(0.9); }

.main-nav { display: none; }
.header-cta { display: none; }

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.mobile-menu-btn svg { width: 30px; height: 30px; fill: var(--primary-blue); }

/* Desktop Nav */
@media (min-width: 1024px) {
  .mobile-menu-btn { display: none; }
  .main-nav {
    display: flex;
    gap: var(--spacing-md);
  }
  .main-nav a {
    color: var(--dark-grey);
    font-weight: 600;
    position: relative;
    padding: 0.5rem 0;
  }
  .main-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-blue);
    transition: all var(--transition-speed) ease;
    transform: translateX(-50%);
  }
  .main-nav a:hover::after, .main-nav a.active::after {
    width: 100%;
  }
  .header-cta { display: block; }
}

/* Mobile Overlay Nav */
.mobile-overlay {
  position: fixed;
  top: 0; left: -100%;
  width: 100%; height: 100vh;
  background: var(--white);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg) var(--spacing-md);
  transition: left 0.4s ease;
}
.mobile-overlay.open { left: 0; }
.mobile-overlay-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  background: none;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--dark-grey);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  font-size: 1.5rem;
}
.mobile-nav a { color: var(--dark-grey); font-weight: 600; }
.mobile-overlay-actions { margin-top: auto; }

/* Hero Section */
.hero {
  position: relative;
  background-image: url('../images/hero-water-ripple.png');
  background-size: cover;
  background-position: center;
  padding: var(--spacing-xl) 0;
  color: var(--white);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 51, 153, 0.75); /* Brand blue overlay */
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero h1 { color: var(--white); font-size: clamp(2.5rem, 5vw, 4rem); text-shadow: 0 2px 4px rgba(0,0,0,0.3); }
.hero p { color: var(--light-grey); font-size: 1.25rem; font-weight: 500; text-shadow: 0 1px 3px rgba(0,0,0,0.3); }
.hero-actions { display: flex; gap: var(--spacing-sm); justify-content: center; margin-top: var(--spacing-md); flex-wrap: wrap; }
@media (min-width: 1024px) {
  .hero { background-attachment: fixed; } /* Parallax */
}

/* Cards & Icons */
.card {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  transition: all var(--transition-speed) ease;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 51, 153, 0.1);
}
.card-icon {
  width: 80px; height: 80px;
  margin: 0 auto var(--spacing-sm);
  transition: transform var(--transition-speed) ease;
}
.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}
.card h3 { margin-bottom: 0.5rem; color: var(--dark-grey); }
.card p { flex-grow: 1; }
.card-action { margin-top: 1rem; }

/* Testimonials */
.testimonial-slider {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  overflow: hidden;
}
.testimonial-track {
  display: flex;
  transition: transform 0.5s ease;
}
.testimonial-slide {
  min-width: 100%;
  padding: 0 var(--spacing-sm);
}
.testimonial-card {
  background: var(--white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  text-align: center;
}
.testimonial-quote {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--medium-grey);
  margin-bottom: var(--spacing-sm);
}
.testimonial-author {
  font-weight: 700;
  color: var(--dark-grey);
}
.slider-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}
.slider-btn {
  background: var(--light-grey);
  border: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-speed) ease;
}
.slider-btn:hover { background: var(--primary-blue); color: var(--white); }
.slider-dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1rem; }
.slider-dot { width: 10px; height: 10px; border-radius: 50%; background: #ccc; cursor: pointer; border: none; }
.slider-dot.active { background: var(--primary-blue); }

/* Footer */
.site-footer {
  background: var(--dark-grey);
  color: var(--white);
  padding: var(--spacing-lg) 0 var(--spacing-sm);
}
.site-footer a { color: var(--light-grey); transition: color var(--transition-speed) ease; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer h3 { color: var(--white); font-size: 1.25rem; margin-bottom: 1rem; position: relative; padding-bottom: 0.5rem; }
.site-footer h3::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 40px; height: 2px; background: var(--primary-blue);
}
.footer-logo { max-width: 200px; margin-bottom: 1rem; filter: brightness(0) invert(1); }
.footer-info p { margin-bottom: 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.footer-socials { display: flex; gap: 1rem; margin-top: 1rem; }
.footer-socials a svg { width: 24px; height: 24px; fill: var(--light-grey); transition: all var(--transition-speed) ease; }
.footer-socials a:hover svg { fill: var(--primary-blue); transform: scale(1.1); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: var(--spacing-lg); padding-top: var(--spacing-sm); display: flex; flex-direction: column; gap: 0.5rem; text-align: center; font-size: 0.875rem; color: #999; }
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }

/* Mobile Footer Accordion */
@media (max-width: 767px) {
  .footer-col { border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 1rem; margin-bottom: 1rem; }
  .footer-col.no-collapse { border-bottom: none; }
  .footer-col h3 { cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
  .footer-col h3::after { display: none; }
  .footer-col h3 .toggle-icon { font-size: 1rem; transition: transform 0.3s ease; }
  .footer-col.active h3 .toggle-icon { transform: rotate(45deg); }
  .footer-col-content { display: none; margin-top: 1rem; }
  .footer-col.active .footer-col-content { display: block; }
}
@media (min-width: 768px) {
  .footer-col h3 .toggle-icon { display: none; }
  .footer-col-content { display: block !important; }
}

/* Animations & Utilities */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .hero { background-attachment: scroll !important; }
}

/* Map specific */
.map-container iframe { width: 100%; height: 400px; border: 0; border-radius: var(--border-radius); }
.contact-details-block { padding: var(--spacing-md); background: var(--light-grey); border-radius: var(--border-radius); }

/* About Us elements */
.value-block { padding: var(--spacing-sm); border-left: 4px solid var(--primary-blue); background: var(--light-grey); margin-bottom: 1rem; }
.value-block h4 { color: var(--primary-blue); margin-bottom: 0.25rem; }
.team-member { text-align: center; }
.team-member img { border-radius: var(--border-radius); margin-bottom: 1rem; aspect-ratio: 1; object-fit: cover; }
/* font-display: swap */