/* Control Aquatics - Technical Precision Aesthetic */

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

:root {
  /* Brand Colors */
  --cyan-primary: #4DB8C4;
  --navy-dark: #0A1628;
  --navy-medium: #1A2B47;
  --grey-light: #E8EAED;
  --grey-medium: #A0A8B0;
  --grey-dark: #4A5568;
  --white: #FFFFFF;
  
  /* Typography */
  --font-display: 'Rajdhani', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* Animation */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  color: var(--grey-dark);
  background: var(--white);
  overflow-x: hidden;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--navy-dark);
  letter-spacing: 0.02em;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-sm);
  font-size: 1.1rem;
  line-height: 1.8;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

/* Header Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--navy-dark);
  z-index: 1000;
  border-bottom: 2px solid var(--cyan-primary);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 80px;
  transition: var(--transition-smooth);
}

.logo:hover {
  opacity: 0.8;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 1rem;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
}

.menu-toggle span {
  width: 30px;
  height: 3px;
  background: var(--cyan-primary);
  transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
  margin-top: 80px;
  position: relative;
  height: 85vh;
  min-height: 600px;
  background: var(--navy-dark);
  overflow: hidden;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: grayscale(30%);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(10, 22, 40, 0.9) 0%, rgba(26, 43, 71, 0.7) 100%);
}

.hero-content {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  color: var(--cyan-primary);
  margin-bottom: var(--spacing-md);
  text-shadow: 0 4px 20px rgba(77, 184, 196, 0.3);
}

.hero-content .tagline {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 300;
  color: var(--grey-light);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
}

/* Section Styling */
section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  position: relative;
  display: inline-block;
  margin-bottom: var(--spacing-lg);
}

.section-title::before {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--cyan-primary);
}

/* Capabilities Grid */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.capability-card {
  background: var(--grey-light);
  padding: var(--spacing-md);
  border-left: 4px solid var(--cyan-primary);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.capability-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(77, 184, 196, 0.1), transparent);
  transition: left 0.5s ease;
}

.capability-card:hover::before {
  left: 100%;
}

.capability-card:hover {
  transform: translateX(8px);
  box-shadow: -8px 8px 0 var(--cyan-primary);
}

.capability-card h3 {
  color: var(--navy-dark);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
}

.capability-card ul {
  list-style: none;
  padding-left: 0;
}

.capability-card li {
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  position: relative;
  font-size: 1rem;
}

.capability-card li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--cyan-primary);
  font-weight: bold;
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--grey-light);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-smooth);
}

.gallery-item:hover {
  border-color: var(--cyan-primary);
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-item:hover img {
  transform: scale(1.1);
}

.gallery-note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--grey-dark);
  margin-top: var(--spacing-md);
  font-style: italic;
}

.gallery-note a {
  color: var(--cyan-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.gallery-note a:hover {
  color: var(--navy-dark);
  text-decoration: underline;
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.about-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 4px solid var(--cyan-primary);
}

.about-text h3 {
  color: var(--cyan-primary);
  margin-top: var(--spacing-md);
}

/* Contact Form */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
  padding: 1rem;
  border: 2px solid var(--grey-light);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 0 3px rgba(77, 184, 196, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  background: var(--cyan-primary);
  color: var(--navy-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  padding: 1rem 2rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  letter-spacing: 0.05em;
  margin-top: var(--spacing-sm);
}

.submit-btn:hover {
  background: var(--navy-dark);
  color: var(--cyan-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(77, 184, 196, 0.3);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.form-message {
  padding: 1rem;
  margin-bottom: var(--spacing-sm);
  border-radius: 4px;
  font-weight: 500;
  display: none;
}

.form-message.success {
  display: block;
  background: rgba(77, 184, 196, 0.1);
  border: 2px solid var(--cyan-primary);
  color: var(--navy-dark);
}

.form-message.error {
  display: block;
  background: rgba(220, 53, 69, 0.1);
  border: 2px solid #dc3545;
  color: #dc3545;
}

.contact-info {
  background: var(--navy-dark);
  color: var(--white);
  padding: var(--spacing-md);
  border-left: 4px solid var(--cyan-primary);
}

.contact-info h3 {
  color: var(--cyan-primary);
  margin-bottom: var(--spacing-md);
}

.contact-info p {
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
}

.contact-info strong {
  color: var(--cyan-primary);
  font-family: var(--font-display);
  font-weight: 600;
}

.contact-info a {
  color: var(--white);
  text-decoration: underline;
}

.contact-info a:hover {
  color: var(--cyan-primary);
}

/* Footer */
footer {
  background: var(--navy-dark);
  color: var(--grey-medium);
  padding: var(--spacing-md);
  text-align: center;
  border-top: 2px solid var(--cyan-primary);
}

footer p {
  margin: 0;
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Image Lightbox */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 22, 40, 0.95);
  z-index: 10000;
  cursor: pointer;
  animation: fadeIn 0.3s ease;
}

.lightbox.active {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border: 4px solid var(--cyan-primary);
  box-shadow: 0 0 60px rgba(77, 184, 196, 0.3);
  cursor: default;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 40px;
  font-size: 3rem;
  color: var(--cyan-primary);
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition-smooth);
  z-index: 10001;
}

.lightbox-close:hover {
  color: var(--white);
  transform: rotate(90deg);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  color: var(--cyan-primary);
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition-smooth);
  padding: 1rem 1.5rem;
  user-select: none;
  z-index: 10001;
}

.lightbox-nav:hover {
  color: var(--white);
  background: rgba(77, 184, 196, 0.2);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 968px) {
  .nav-links {
    position: fixed;
    top: 80px;
    right: -100%;
    flex-direction: column;
    background: var(--navy-dark);
    width: 250px;
    padding: var(--spacing-md);
    transition: right 0.3s ease;
    border-left: 2px solid var(--cyan-primary);
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  :root {
    --spacing-xl: 3rem;
    --spacing-lg: 2rem;
  }
  
  .hero {
    height: 70vh;
    min-height: 500px;
  }
  
  section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}