:root {
  --bs-primary: #193A5B;
  --bs-primary-rgb: 25, 58, 91;
  --bs-secondary: #5C6F82;
  --bs-secondary-rgb: 92, 111, 130;
  --bs-info: #355F7C;
  --bs-info-rgb: 53, 95, 124;
  --bs-success: #4E6E58;
  --bs-success-rgb: 78, 110, 88;
  --bs-warning: #8A6D3B;
  --bs-warning-rgb: 138, 109, 59;
  --bs-danger: #7A3E3E;
  --bs-danger-rgb: 122, 62, 62;
  --bs-body-bg: #F4F6F8;
  --bs-body-color: #1F2933;
  --bs-border-color: #D1D9E0;
}

#hero {
  position: relative;
  height: 100vh;
  background: url('../../assets/img/john%20presenting.png') center/cover no-repeat;
  color: #F1F5F9;
}

#hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient( to left, rgba(25,58,91,0.70) 0%, rgba(25,58,91,0.62) 35%, rgba(25,58,91,0.40) 65%, rgba(25,58,91,0.12) 85%, rgba(25,58,91,0) 100% );
  z-index: 1;
}

#hero .container {
  position: relative;
  z-index: 2;
}

#hero .btn-primary, #hero .btn-primary:focus, #hero .btn-primary:active {
  color: #ffffff !important;
}

#hero .btn-outline-light, #hero .btn-outline-light:focus, #hero .btn-outline-light:active {
  color: #ffffff !important;
}

/* =================================
   TYPOGRAPHY SYSTEM
================================= */

/* Body */

body {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Headings */

h1, h2, h3, h4, h5, h6, .display-1, .display-2, .display-3, .display-4 {
  font-family: 'Oswald', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: none;
}

/* Hero headline stronger */

#hero h1 {
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: clamp(2.5rem, 4vw, 3.75rem);
}

/* Section headings */

section h2 {
  font-weight: 600;
}

/* Lead text */

.lead {
  font-weight: 500;
}

/* Buttons */

.btn {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Slight tightening on dark sections */

section[style*="#193a5b"] h2, section[style*="#193a5b"] h1 {
  letter-spacing: -0.025em;
}

#guide {
  position: relative;
  background: url('../../assets/img/photo-1545987796-200677ee1011.jpg') center/cover no-repeat;
}

#guide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  z-index: 1;
}

#guide .container {
  position: relative;
  z-index: 2;
}