:root {
  --color-background: #f5f6f3;
  --color-surface: #ffffff;
  --color-primary: #1c3f2d;
  --color-secondary: #314c3e;
  --color-accent: #74b27e;
  --color-text: #1a2420;
  --color-muted: #5f6b65;
  --color-border: #dde2d9;
  --font-heading: "Inter", "Segoe UI", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --max-width: 1100px;
  --section-gap: 4.5rem;
  --radius: 18px;
  --shadow: 0 18px 40px rgba(28, 63, 45, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

.page-width {
  width: min(100%, calc(var(--max-width) - 3rem));
  margin: 0 auto;
}

.section {
  padding: var(--section-gap) 0;
}

.section--alt {
  background: #eef1ec;
}

.section--light {
  background: #f8faf7;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(245, 246, 243, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(28, 63, 45, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.brand__logo {
  width: 40px;
  height: 40px;
}

.brand__name {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list a {
  color: var(--color-text);
}

.header__cta {
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.5rem;
  height: 2px;
  margin: 0.25rem 0;
  background: var(--color-text);
}

.hero {
  padding-top: 3.5rem;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 2.5rem;
}

.hero__content h1 {
  margin-top: 0.5rem;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.7rem);
  line-height: 1.02;
}

.eyebrow {
  margin: 0;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
}

.hero__content p {
  max-width: 42rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.75rem;
}

.hero__image {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.section-heading {
  max-width: 40rem;
}

.section-label {
  margin: 0 0 0.75rem;
  color: var(--color-accent);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.section-heading h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.8rem);
}

.section-intro,
.disclaimer,
.site-footer p,
.form-note {
  color: var(--color-muted);
}

.problem-list,
.card-grid,
.process-grid,
.audience-list,
.form-grid {
  display: grid;
  gap: 1.25rem;
}

.problem-list {
  padding-left: 1.2rem;
  margin: 2rem 0 0;
}

.problem-list li {
  margin: 0.8rem 0;
  line-height: 1.8;
}

.card-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 2rem;
}

.feature-card,
.benefit-card,
.cta-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.feature-card__icon,
.benefit-card__icon {
  display: block;
  margin-bottom: 1rem;
}

.feature-card h3,
.benefit-card h3 {
  margin: 0 0 0.75rem;
}

.process-grid {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-top: 2rem;
}

.process-step {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.process-step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
}

.disclaimer {
  margin-top: 1.5rem;
}

.audience-grid {
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.audience-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.audience-list span {
  padding: 1rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  font-weight: 600;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
}

.about__visual {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.about__visual figcaption {
  margin: 0;
  padding: 1rem;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.section--cta {
  padding-top: 0;
  padding-bottom: 0;
}

.cta-card {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
}

.cta-card h2 {
  margin: 0;
}

.contact-section {
  padding-top: 0;
}

.contact-form {
  margin-top: 2rem;
}

.form-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.form-field {
  display: flex;
  flex-direction: column;
}

.form-field label {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-field input,
.form-field textarea {
  padding: 0.95rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #fff;
  color: var(--color-text);
}

.form-field--full {
  grid-column: 1 / -1;
}

.form-field--checkbox {
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.form-note {
  margin: 0;
}

.form-success {
  margin-top: 1.5rem;
  color: var(--color-primary);
  font-weight: 600;
}

.hidden {
  display: none;
}

.site-footer {
  padding: 1.5rem 0 2rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  align-items: start;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.6rem;
  cursor: pointer;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--color-primary);
  color: #ffffff;
}

.button--secondary {
  background: transparent;
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

@media (max-width: 900px) {
  .hero__inner,
  .about-grid,
  .audience-grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 780px) {
  .site-header__inner {
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
  }

  .site-nav.site-nav--open {
    display: block;
  }

  .site-nav__list {
    padding: 1rem 0;
    border-top: 1px solid var(--color-border);
  }

  .hero__image,
  .about__visual img {
    width: 100%;
    height: auto;
  }
}