/* H&S Solutions - Sealed Station Stylesheet */

:root {
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Medical & Trust Blue-Greens in OKLCH */
  --color-bg: oklch(0.08 0.015 240);
  --color-card-bg: oklch(0.12 0.015 245 / 0.7);
  --color-border: oklch(0.25 0.03 240 / 0.4);
  --color-border-hover: oklch(0.5 0.08 220 / 0.6);
  
  --color-text-primary: oklch(0.97 0.01 240);
  --color-text-secondary: oklch(0.78 0.02 240);
  --color-text-muted: oklch(0.55 0.01 240);
  
  --color-accent-1: oklch(0.65 0.16 220); /* Professional Cyan-Blue */
  --color-accent-2: oklch(0.78 0.14 185); /* Medical Turquoise */
  --color-accent-1-glow: oklch(0.65 0.16 220 / 0.15);
  --color-accent-2-glow: oklch(0.78 0.14 185 / 0.15);
  
  --max-width: 1100px;
  
  /* Feature detection for modern gradient spaces */
  --in-oklch: ;
}

@supports (linear-gradient(in oklch, white, black)) {
  :root {
    --in-oklch: in oklch;
  }
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.6;
}

/* Background Ambient Glows */
.background-glow {
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.12;
}

.bg-glow-1 {
  top: -10vw;
  left: -10vw;
  background: radial-gradient(circle, var(--color-accent-1) 0%, transparent 70%);
}

.bg-glow-2 {
  bottom: 10vh;
  right: -15vw;
  background: radial-gradient(circle, var(--color-accent-2) 0%, transparent 70%);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: oklch(0.08 0.015 240 / 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
}

.accent-text {
  background: linear-gradient(135deg var(--in-oklch), var(--color-accent-1) 0%, var(--color-accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--color-accent-2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--color-text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg var(--in-oklch), var(--color-accent-1) 0%, var(--color-accent-2) 100%);
  color: oklch(0.08 0.015 240);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px oklch(0.65 0.16 220 / 0.3);
}

.btn-secondary {
  background: oklch(1 0 0 / 0.05);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: oklch(1 0 0 / 0.08);
  border-color: var(--color-border-hover);
}

.btn-tertiary {
  background: transparent;
  color: var(--color-accent-2);
  border: none;
  padding-left: 0.5rem;
}

.btn-tertiary:hover {
  color: var(--color-text-primary);
  transform: translateX(3px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.nav-btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

/* Badges */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  background: var(--color-accent-1-glow);
  color: var(--color-accent-1);
  border: 1px solid oklch(0.65 0.16 220 / 0.25);
  border-radius: 9999px;
  margin-bottom: 1.25rem;
}

.section-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  background: var(--color-accent-2-glow);
  color: var(--color-accent-2);
  border: 1px solid oklch(0.78 0.14 185 / 0.25);
  border-radius: 9999px;
  margin-bottom: 1rem;
}

/* Main Container Styles */
main {
  position: relative;
  z-index: 1;
  padding-top: 80px; /* Offset for navbar */
}

/* Hero Section */
.hero-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 2rem;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-tagline {
  font-size: 1.25rem;
  color: var(--color-accent-2);
  font-weight: 500;
  margin-bottom: 1rem;
}

.hero-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 2.5rem;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.hero-image-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.image-card {
  width: 100%;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 0.75rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
}

.image-caption {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0.75rem 0 0.25rem 0;
  font-weight: 500;
}

/* Section Common Styles */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  max-width: 700px;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.section-intro {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
}

/* Problem Section */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.problem-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.problem-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
}

.problem-icon {
  font-size: 2rem;
  margin-bottom: 1.25rem;
}

.problem-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.problem-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  background: oklch(1 0 0 / 0.02);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  padding: 3rem;
}

.visual-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.visual-content p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.rounded-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
}

.border-accent {
  border: 1px solid var(--color-border);
  box-shadow: 0 0 20px var(--color-accent-2-glow);
}

/* Solution Section */
.solution-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  padding: 4rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.solution-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.solution-text .tagline {
  font-size: 1.2rem;
  color: var(--color-accent-2);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.solution-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
}

.features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.features-list li {
  position: relative;
  padding-left: 2rem;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

.features-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent-2);
  font-weight: 700;
}

/* Benefits Section */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.benefit-card {
  background: oklch(1 0 0 / 0.02);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 2.5rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.benefit-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.benefit-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent-1);
  font-family: monospace;
}

.benefit-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
}

.benefit-card p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
}

/* Contact Section */
.contact-section {
  text-align: center;
}

.contact-card {
  background: linear-gradient(135deg var(--in-oklch), oklch(0.12 0.02 245 / 0.9) 0%, oklch(0.09 0.015 240 / 0.9) 100%);
  border: 1px solid var(--color-border);
  border-radius: 28px;
  padding: 5rem 4rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  max-width: 800px;
  margin: 0 auto;
  box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}

.contact-card h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.contact-card p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
}

.contact-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.contact-divider {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.contact-note {
  font-size: 0.8rem !important;
  color: var(--color-text-muted) !important;
  margin-bottom: 0 !important;
}

/* Footer */
footer {
  border-top: 1px solid var(--color-border);
  background: oklch(0.06 0.01 240);
  padding: 3rem 2rem;
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-link {
  font-family: monospace;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
  .hero-section, .problem-visual, .solution-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-ctas {
    justify-content: center;
  }
  
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Can implement a toggle menu in future, keeping it minimal now */
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .section {
    padding: 4rem 1.5rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
  
  .solution-container {
    padding: 2.5rem 1.5rem;
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-card {
    padding: 3rem 1.5rem;
  }
  
  .contact-actions {
    flex-direction: column;
    gap: 1rem;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}