:root {
  --color-ink: #132238;
  --color-muted: #607086;
  --color-surface: #ffffff;
  --color-surface-soft: #f5f7fa;
  --color-primary: #0b6f9f;
  --color-primary-dark: #06233d;
  --color-accent: #8a1238;
  --color-warm: #e8c75d;
  --color-success: #2f7d5c;
  --color-border: rgba(19, 34, 56, 0.11);
  --color-overlay-strong: rgba(6, 35, 61, 0.84);
  --color-overlay-soft: rgba(6, 35, 61, 0.42);
  --color-overlay-accent: rgba(138, 18, 56, 0.18);
  --font-base: Arial, Helvetica, sans-serif;
  --shadow-sm: 0 8px 20px rgba(19, 34, 56, 0.08);
  --shadow-md: 0 18px 45px rgba(19, 34, 56, 0.14);
  --radius-sm: 8px;
  --radius-md: 12px;
  --container: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--color-ink);
  background: var(--color-surface-soft);
  font-family: var(--font-base);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-underline-offset: 4px;
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
a {
  transition:
    color 0.25s ease,
    background-color 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease,
    transform 0.25s ease;
}

.btn,
.about-btn,
.project-btn,
.membership-link,
.submit-btn {
  border-radius: var(--radius-sm);
}

::selection {
  color: #ffffff;
  background: var(--color-accent);
}

.section-kicker {
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-divider {
  width: min(100% - 32px, var(--container));
  height: 1px;
  margin: 0 auto;
  background: rgba(138, 18, 56, 0.22);
}