:root {
  --color-bg: #f5f6f2;
  --color-bg-alt: #ebeee8;
  --color-surface: #ffffff;
  --color-text: #151816;
  --color-text-muted: #667069;
  --color-accent: #587361;
  --color-accent-light: #a8c0ad;
  --color-border: #dfe4de;
  --font-serif: "Manrope", system-ui, sans-serif;
  --font-sans: "Manrope", system-ui, sans-serif;
  --radius: 18px;
  --transition: 0.28s cubic-bezier(0.2, 0.8, 0.2, 1);
  --header-h: 76px;
}

body {
  font-weight: 400;
  letter-spacing: -0.01em;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

h1 { font-size: clamp(3rem, 7vw, 6rem); }
h2 { font-size: clamp(2.15rem, 4.2vw, 4.2rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }

em {
  font-style: normal;
  color: var(--color-accent);
}

.container {
  width: min(1240px, calc(100% - 48px));
}

.section {
  padding-block: clamp(4.5rem, 9vw, 8rem);
}

.section__header {
  max-width: 760px;
}

.section__desc {
  max-width: 650px;
  margin-inline: auto;
  line-height: 1.75;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
}

.header {
  background: rgba(245, 246, 242, 0.82);
  border-bottom-color: rgba(21, 24, 22, 0.06);
  backdrop-filter: blur(20px) saturate(140%);
}

.header__inner {
  gap: 2rem;
}

.logo {
  align-items: center;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--color-text);
  color: #fff;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.logo__text {
  color: var(--color-text);
  font-size: 0.73rem;
  font-weight: 700;
}

.nav {
  gap: clamp(0.8rem, 1.7vw, 1.7rem);
}

.nav__link {
  font-size: 0.78rem;
  font-weight: 500;
}

.nav__link--cta {
  padding: 0.75rem 1.15rem;
  border: 0;
  border-radius: 999px;
  background: var(--color-text);
  color: #fff;
}

.btn {
  min-height: 52px;
  padding: 0.9rem 1.45rem;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.05em;
  box-shadow: none;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(21, 24, 22, 0.14);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.55);
}

.result-card,
.business__panel,
.calculator__form,
.contact-form,
.cert-card {
  border-radius: var(--radius);
}

.form-group input,
.form-group textarea,
.form-group select {
  min-height: 50px;
  border-radius: 12px;
  border-color: transparent;
  background-color: #f1f3ef;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  box-shadow: 0 0 0 4px rgba(88, 115, 97, 0.12);
}

.video-card__thumb,
.ba-card,
.promo-slide__stat,
.calculator__result {
  border-radius: var(--radius);
}

.video-card__thumb {
  box-shadow: 0 18px 45px rgba(21, 24, 22, 0.08);
}

.footer {
  border-radius: 36px 36px 0 0;
  overflow: hidden;
}