* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #22313a;
  background: #f4f6f3;
}

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

a {
  color: inherit;
}

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

.narrow {
  width: min(760px, 100%);
}

.site-header {
  background: rgba(244, 246, 243, 0.96);
  border-bottom: 1px solid #d7ddd8;
  padding: 20px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand-with-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  min-width: 26px;
  max-width: 26px;
  object-fit: contain;
  opacity: 0.95;
  border-radius: 6px;
}

.brand {
  color: #22313a;
  text-decoration: none;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.site-nav a {
  color: #22313a;
  text-decoration: none;
  font-weight: 500;
  margin-left: 1.5rem;
}

.site-nav a:hover {
  opacity: 0.7;
}

.site-nav a.active {
  color: #314b57;
  font-weight: 700;
}

.hero {
  padding: 90px 0 85px;
  background: #edf1ee;
}

.hero-inner,
.page-hero {
  text-align: center;
}

.hero-logo {
  width: min(260px, 58vw);
  margin: 0 auto 34px;
  opacity: 0.98;
}

.eyebrow,
.section-tag {
  margin-bottom: 10px;
  color: #627670;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  color: #22313a;
  font-weight: 700;
}

.intro {
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.15rem;
  line-height: 1.7;
  color: #4e6168;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
  justify-content: center;
}

.button {
  display: inline-block;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.2s ease;
}

.button.primary {
  background: #314b57;
  color: #ffffff;
  border: 1px solid #314b57;
}

.button.primary:hover {
  background: #263c46;
  border-color: #263c46;
}

.button.secondary {
  background: transparent;
  color: #314b57;
  border: 1px solid #314b57;
}

.button.secondary:hover {
  background: rgba(49, 75, 87, 0.06);
}

.section {
  padding: 78px 0;
}

.section.alt {
  background: #ffffff;
}

.section-heading {
  margin-bottom: 34px;
}

.section h2,
.content-panel h2 {
  margin: 0 0 18px;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #22313a;
}

.section h3,
.info-card h3,
.science-card h3 {
  margin: 0 0 14px;
  font-size: 1.2rem;
  color: #22313a;
}

.section p,
.info-card p,
.science-card p,
.content-panel p,
.footer-inner p {
  margin: 0 0 18px;
  color: #465860;
  font-size: 1.04rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.contact-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  color: #465860;
}

.contact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background-color: #314b57;
  border-radius: 50%;
}

.contact-form {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.contact-form label {
  font-weight: 600;
  color: #22313a;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #ccd5d0;
  border-radius: 14px;
  background: #ffffff;
  font: inherit;
  color: #22313a;
}

.contact-form textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #314b57;
  box-shadow: 0 0 0 3px rgba(49, 75, 87, 0.08);
}

.contact-form .button {
  margin-top: 8px;
  justify-self: start;
  cursor: pointer;
}
.grid-2,
.cards-grid,
.science-grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-grid,
.science-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-card,
.science-card,
.content-panel {
  background: #ffffff;
  border: 1px solid #d8dfda;
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.wolf-section,
.cta-section,
.disclaimer-section {
  text-align: left;
}

.page-hero {
  padding: 100px 0 40px;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid #d7ddd8;
  background: #f4f6f3;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-inner p {
  margin: 0;
  font-size: 0.95rem;
  color: #5f7074;
}

@media (max-width: 900px) {
  .grid-2,
  .cards-grid,
  .science-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 18px 0;
  }

  .header-inner {
    display: block;
  }

  .site-nav {
    margin-top: 16px;
  }

  .site-nav a {
    display: inline-block;
    margin: 0 16px 8px 0;
  }

  .hero {
    padding: 72px 0 68px;
  }

  .page-hero {
    padding: 72px 0 24px;
  }

  .hero-logo {
    width: min(220px, 62vw);
    margin-bottom: 28px;
  }

  .intro {
    font-size: 1.05rem;
  }

  .section {
    padding: 60px 0;
  }

  .info-card,
  .science-card,
  .content-panel {
    padding: 24px;
  }

  .footer-inner {
    display: block;
  }

  .footer-inner p + p {
    margin-top: 8px;
  }
}