:root {
  --gph-green: #578631;
  --gph-bright: #82bd47;
  --gph-dark: #3d4642;
  --gph-grey: #576b6b;
  --gph-light: #e8e8e8;
  --gph-mint: #e4f6c2;
  --white: #ffffff;
  --black: #1a1a1a;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Montserrat', sans-serif;
  font-weight: 400;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Exo 2', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--gph-dark);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }

p {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: #4a5568;
}

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

a:hover {
  color: var(--gph-bright);
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: 'Montserrat', sans-serif;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--alt {
  background: #f8faf5;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.section--alt::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 82%;
  max-width: 1000px;
  aspect-ratio: 5618 / 1979;
  background: url('../images/logos/GoPayhawk Full_Black logo.png') center / contain no-repeat;
  opacity: 0.05;
  pointer-events: none;
  z-index: -1;
}

.section--dark {
  background: var(--gph-dark);
  color: var(--white);
}

.section--dark h2,
.section--dark h3,
.section--dark p {
  color: var(--white);
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__label {
  font-family: 'Exo 2', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gph-green);
  display: block;
  margin-bottom: 12px;
}

.section__title {
  margin-bottom: 16px;
}

.section__subtitle {
  font-size: 1.125rem;
  color: var(--gph-grey);
  max-width: 600px;
  margin: 0 auto;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }

.text-center { text-align: center; }
.text-left { text-align: left; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.skip-link {
  position: absolute;
  top: -999px;
  left: 0;
  background: var(--gph-green);
  color: var(--white);
  padding: 12px 24px;
  font-family: 'Exo 2', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  z-index: 9999;
  border-radius: 0 0 var(--radius-sm) 0;
}

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

.highlight { color: var(--gph-green); }
.highlight--bright { color: var(--gph-bright); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--gph-mint);
  color: var(--gph-green);
  font-family: 'Exo 2', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 100px;
}

.divider {
  height: 1px;
  background: var(--gph-light);
  margin: 40px 0;
}

.tag {
  display: inline-block;
  background: var(--gph-mint);
  color: var(--gph-green);
  font-family: 'Exo 2', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 4px;
}
