@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("../fonts/InterVariable.woff2") format("woff2");
}

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8f7;
  --color-text: #111111;
  --color-text-muted: #5a6169;
  --color-accent: #15734c;
  --color-accent-hover: #0f5a3b;
  --color-accent-soft: #e8f4ee;
  --color-border: #e6e8e6;
  --color-footer: #111111;
  --color-footer-muted: #9aa3a1;
  --color-overlay: rgba(17, 17, 17, 0.72);
  --shadow-sm: 0 1px 2px rgba(17, 17, 17, 0.04);
  --shadow-md: 0 8px 24px rgba(17, 17, 17, 0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;
  --container: 1120px;
  --nav-height: 72px;
  --font: "Inter", "Helvetica Neue", Arial, sans-serif;
  --step-label: 0.75rem;
  --step-body: 1.0625rem;
  --step-title: clamp(1.75rem, 3vw, 2.25rem);
  --step-display: clamp(2.4rem, 6vw, 4.25rem);
  --ease: 180ms ease;
}

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

html {
  scroll-behavior: smooth;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.is-locked {
  overflow: hidden;
}

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

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

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

button,
input,
textarea {
  font: inherit;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: -40px;
  z-index: 1000;
  padding: 0.5rem 0.75rem;
  background: var(--color-text);
  color: #fff;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}

.section {
  padding: var(--space-8) 0;
  scroll-margin-top: var(--nav-height);
}

.section--alt {
  background: var(--color-bg-alt);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-label {
  margin: 0 0 var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--step-label);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-title {
  margin: 0;
  font-size: var(--step-title);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--color-text);
  font-weight: 600;
  line-height: 1;
  transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease);
}

.btn:hover {
  color: var(--color-text);
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: #fff;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
}

.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;
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 1.5rem), var(--container));
  }

  .section {
    padding: 4rem 0;
  }
}