/* Atlas Diving Company - Briny Theme Inspired Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Roboto:wght@400;500;700&display=swap');

:root {
  /* Briny Color Palette */
  --briny-blue-dark: #071E3D;
  --briny-blue-deep: #0B2545;
  --briny-cyan-primary: #00A8E8;
  --briny-cyan-hover: #0084B8;
  --briny-sky-light: #EBF7FF;
  --briny-accent-coral: #FF6B35;
  --briny-accent-amber: #FFA000;
  
  --text-dark: #1E293B;
  --text-body: #475569;
  --text-muted: #64748B;
  --text-white: #FFFFFF;
  
  --bg-light: #F8FAFC;
  --card-bg-white: #FFFFFF;
  --card-shadow: 0 10px 30px rgba(7, 30, 61, 0.08);
  --card-shadow-hover: 0 20px 40px rgba(0, 168, 232, 0.18);
  
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Roboto', sans-serif;
  --border-radius: 12px;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--briny-blue-dark);
  font-weight: 700;
}

/* Top Contact Bar */
.top-bar {
  background: var(--briny-blue-dark);
  color: var(--text-white);
  padding: 0.5rem 2rem;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar-info {
  display: flex;
  gap: 1.5rem;
}

.top-bar-info span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(255, 255, 255, 0.85);
}

/* Main Navigation Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #FFFFFF;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  padding: 1rem 2rem;
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--briny-cyan-primary), var(--briny-blue-deep));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.5rem;
  color: #FFFFFF;
  box-shadow: 0 6px 16px rgba(0, 168, 232, 0.35);
}

.brand-title {
  display: flex;
  flex-direction: column;
}

.brand-title h1 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--briny-blue-dark);
  line-height: 1.1;
}

.brand-title span {
  font-size: 0.75rem;
  color: var(--briny-cyan-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.nav-links a {
  color: var(--text-dark);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--briny-cyan-primary);
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, var(--briny-cyan-primary), #0077B6);
  color: #FFFFFF !important;
  padding: 0.75rem 1.6rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0, 168, 232, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 168, 232, 0.5);
  background: linear-gradient(135deg, #00B4D8, var(--briny-cyan-primary));
}

.btn-accent {
  background: linear-gradient(135deg, var(--briny-accent-coral), #E65100);
  color: #FFFFFF !important;
  padding: 0.75rem 1.6rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
  transition: all 0.25s ease;
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 107, 53, 0.5);
}

.btn-outline {
  border: 2px solid var(--briny-cyan-primary);
  color: var(--briny-cyan-primary) !important;
  padding: 0.7rem 1.5rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-outline:hover {
  background: var(--briny-cyan-primary);
  color: #FFFFFF !important;
}

/* Layout Containers */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

/* Hero Section - Briny Style Header */
.hero {
  position: relative;
  padding: 6.5rem 1.5rem 8.5rem 1.5rem;
  background: linear-gradient(180deg, rgba(7, 30, 61, 0.72) 0%, rgba(7, 30, 61, 0.82) 100%),
              url('assets/hero-bg.jpg') center/cover no-repeat;
  color: #FFFFFF;
  text-align: center;
  border-bottom-left-radius: 40px;
  border-bottom-right-radius: 40px;
}

.badge-tag {
  display: inline-block;
  padding: 0.4rem 1.25rem;
  background: rgba(0, 168, 232, 0.15);
  border: 1px solid var(--briny-cyan-primary);
  color: var(--briny-cyan-primary);
  border-radius: 50px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero h2 {
  font-size: 3.25rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  line-height: 1.2;
  color: #FFFFFF;
}

.hero h2 span {
  color: var(--briny-cyan-primary);
}

.hero p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 780px;
  margin: 0 auto 2.5rem auto;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  align-items: center;
}

/* Floating Stats Cards Overlap */
.stats-container-wrapper {
  margin-top: -4rem;
  position: relative;
  z-index: 10;
  padding: 0 1.5rem;
}

.stats-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.stat-card {
  background: #FFFFFF;
  border-radius: var(--border-radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--briny-cyan-primary);
  transition: transform 0.25s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--briny-blue-dark);
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 0.35rem;
  letter-spacing: 0.05em;
}

/* Section Titles */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header h2 {
  font-size: 2.5rem;
  margin-top: 0.5rem;
  color: var(--briny-blue-dark);
}

.section-header p {
  color: var(--text-body);
  max-width: 650px;
  margin: 0.75rem auto 0 auto;
  font-size: 1.05rem;
}

/* Briny Grid Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.card {
  background: var(--card-bg-white);
  border-radius: var(--border-radius);
  padding: 2.25rem;
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(0, 168, 232, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--briny-cyan-primary), var(--briny-accent-coral));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover);
}

.card:hover::before {
  opacity: 1;
}

.card-icon-circle {
  width: 64px;
  height: 64px;
  background: var(--briny-sky-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--briny-cyan-primary);
  margin-bottom: 1.5rem;
}

.card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.85rem;
}

.card p {
  color: var(--text-body);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* Badges List */
.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.badge {
  background: var(--bg-light);
  border: 1px solid #E2E8F0;
  padding: 0.3rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.badge.highlight {
  border-color: var(--briny-cyan-primary);
  color: var(--briny-cyan-primary);
  background: var(--briny-sky-light);
}

/* Highlight Box / Feature Banner */
.feature-banner {
  background: linear-gradient(90deg, rgba(7, 30, 61, 0.90) 0%, rgba(7, 30, 61, 0.68) 55%, rgba(7, 30, 61, 0.80) 100%),
              url('assets/port-bg.jpg') center/cover no-repeat;
  color: #FFFFFF;
  border-radius: 20px;
  padding: 4rem 3rem;
  box-shadow: var(--card-shadow-hover);
  margin-top: 4rem;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 168, 232, 0.25);
}

.feature-banner h3 {
  color: #FFFFFF;
  font-size: 2.15rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

/* Interactive Calculator */
.calc-card {
  background: #FFFFFF;
  border-radius: 20px;
  padding: 3rem 2.5rem;
  box-shadow: var(--card-shadow-hover);
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid #E2E8F0;
}

/* Copy Block Styling for Proposal Hub */
.copy-block {
  background: #FFFFFF;
  border-radius: var(--border-radius);
  border: 1px solid #E2E8F0;
  box-shadow: var(--card-shadow);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
}

.copy-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #E2E8F0;
}

.copy-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--briny-blue-dark);
}

.btn-copy {
  background: var(--briny-sky-light);
  border: 1px solid var(--briny-cyan-primary);
  color: var(--briny-cyan-primary);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy:hover {
  background: var(--briny-cyan-primary);
  color: #FFFFFF;
}

.copy-content {
  color: var(--text-dark);
  font-size: 0.95rem;
  white-space: pre-wrap;
  background: var(--bg-light);
  padding: 1.25rem;
  border-radius: 8px;
  border: 1px solid #E2E8F0;
  font-family: monospace, sans-serif;
}

/* Modal Popup */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(7, 30, 61, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #FFFFFF;
  border-radius: 20px;
  width: 90%;
  max-width: 720px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-light);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--briny-accent-coral);
  color: #FFFFFF;
}

/* Footer */
footer {
  background: var(--briny-blue-dark);
  color: #FFFFFF;
  padding: 4rem 1.5rem 2rem 1.5rem;
  margin-top: 6rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--briny-cyan-primary);
}

.footer-col p, .footer-col li {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  line-height: 1.8;
}

.footer-col ul {
  list-style: none;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--briny-cyan-primary);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .hero h2 {
    font-size: 2.25rem;
  }
  .nav-links {
    display: none;
  }
  .top-bar-info {
    font-size: 0.75rem;
  }
}


/* Commercial Tender Form Styles */
.form-group {
  margin-bottom: 0.5rem;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-light);
  border: 1px solid #CBD5E1;
  color: var(--text-dark);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--briny-cyan-primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.15);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: #FFFFFF !important;
  padding: 0.75rem 1.6rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
  background: linear-gradient(135deg, #2EE071, #128C7E);
}

.form-alert {
  padding: 1rem 1.25rem;
  border-radius: 8px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.form-alert.success {
  background: #ECFDF5;
  border: 1px solid #10B981;
  color: #065F46;
}
.form-alert.error {
  background: #FEF2F2;
  border: 1px solid #EF4444;
  color: #991B1B;
}

@keyframes formPulse {
  0% { box-shadow: 0 0 0 0 rgba(0, 168, 232, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(0, 168, 232, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 168, 232, 0); }
}
.highlight-form {
  animation: formPulse 1.5s ease-out;
  border-color: var(--briny-cyan-primary) !important;
}