/* SECTION: DESIGN TOKENS */

:root {

  --color-bg: #F7F7F9;              
  --color-surface: #FFFFFF;         
  --color-tint: #E2EAF6;            
  --color-border: #D9DEE9;          

  --color-text: #1C2130;            
  --color-text-muted: #4A5165;      

  --color-navy: #10122A;            
  --color-navy-text: #F2F4FA;       
  --color-navy-muted: #A9B0C7;      
  --color-navy-link: #F5C08A;       

  --color-accent: #A64B2A;          
  --color-accent-hover: #8F3E20;    
  --color-link: #8C3D1E;            
  --color-link-blue: #1D4E89;       

  --color-focus: #1D4E89;
  --color-focus-dark: #F5C08A;

  --font-body: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;

  --container-max: 72rem;           
  --header-height: 4rem;            
  --radius: 0.5rem;                 
  --shadow: 0 1px 3px rgba(16, 18, 42, 0.15);

}

@media (min-width: 768px) {
  :root {
    --header-height: 4.5rem;
  }
}

/* SECTION: RESET */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
}

h1, h2, h3, h4,
p,
ul, ol,
dt, dd {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

/* SECTION: BASE ELEMENT STYLES */

html {
  -webkit-text-size-adjust: 100%; 
}

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

h1, h2, h3, h4 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-text);
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.25rem);
  margin-bottom: var(--space-3);
}

h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: 1em;
}

address {
  font-style: normal;
}

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 2px;    
}

a:hover {
  color: var(--color-accent-hover);
}

a,
button {
  touch-action: manipulation;
}

strong {
  font-weight: 700;
}

/* SECTION: KEYBOARD FOCUS */

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* SECTION: REDUCED MOTION */

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

section[id] {
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

/* SECTION: ACCESSIBILITY UTILITIES */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}