@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&family=DM+Serif+Display:ital@0;1&display=swap');

:root {
  /* Brand Colors */
  --color-primary: #0B6E8F;        /* Deep teal — trust, medicine */
  --color-primary-dark: #084F68;   /* Hover/active state */
  --color-primary-light: #E6F4F9;  /* Tint backgrounds */
  --color-accent: #F4A826;         /* Warm amber — CTAs, highlights */
  --color-accent-dark: #C98610;

  /* Neutrals */
  --color-white: #FFFFFF;
  --color-bg: #F7FBFD;             /* Very light teal-tinted background */
  --color-surface: #FFFFFF;
  --color-surface-alt: #F0F7FA;
  --color-border: #D6E8EF;
  --color-text-primary: #1A2E35;   /* Near-black with teal undertone */
  --color-text-secondary: #4A6370;
  --color-text-muted: #7A96A1;

  /* Typography */
  --font-heading: 'DM Serif Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;

  /* Type Scale */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.875rem;  /* 30px */
  --text-4xl: 2.25rem;   /* 36px */
  --text-5xl: 3rem;      /* 48px */

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(11, 110, 143, 0.08);
  --shadow-md: 0 4px 16px rgba(11, 110, 143, 0.12);
  --shadow-lg: 0 8px 32px rgba(11, 110, 143, 0.16);

  /* Transitions */
  --transition: 0.22s ease;
}

/* Base resets */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

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

/* Accessibility Skip Link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: var(--color-text-primary);
  padding: var(--space-3) var(--space-6);
  font-weight: 600;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  z-index: 100000;
  transition: top 0.2s;
  text-decoration: none;
  box-shadow: var(--shadow-lg);
}

.skip-link:focus {
  top: 0;
}

/* Screen reader only utility class */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Global Outline / Focus States */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* Typography styles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  line-height: 1.25;
  margin-bottom: var(--space-4);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-primary-dark);
}

/* Standard structural components */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

/* Section Rhythm */
section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-12);
}

.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section-title {
  margin-bottom: var(--space-3);
  font-size: var(--text-3xl);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}



/* Lightbox Styles */
.custom-lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.custom-lightbox.active {
  opacity: 1;
  pointer-events: all;
}
.custom-lightbox-img {
  max-width: 90%;
  max-height: 90%;
  border-radius: var(--radius-md);
  box-shadow: 0 5px 25px rgba(0,0,0,0.5);
}
.custom-lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  user-select: none;
}
.custom-lightbox-close:hover {
  color: var(--color-accent);
}