:root {
  --color-primary: #5b6c5c;
  --color-primary-dark: #454f45;
  --color-text: #33383b;
  --color-text-light: #5c6265;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f5f3;
  --color-border: #e2e5e1;
  --max-width: 1080px;
  --header-height: 73px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  line-height: 1.2;
  margin-top: 0;
}

a {
  color: var(--color-primary);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.site-header nav a {
  margin-left: 24px;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
}

.site-header nav a:hover {
  color: var(--color-primary);
}

.hero {
  padding: 96px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.hero h1 {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-light);
  max-width: 620px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background: var(--color-primary-dark);
}

.section {
  padding: 72px 0;
  scroll-margin-top: var(--header-height);
}

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

.section h2 {
  font-size: 1.9rem;
  margin-bottom: 24px;
}

.section h3 {
  font-size: 1.2rem;
  margin-top: 40px;
  margin-bottom: 16px;
}

.about-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}

.about-photo img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.about-name {
  margin: 16px 0 0;
  font-weight: 700;
  text-align: center;
}

.about-role {
  margin: 2px 0 0;
  color: var(--color-text-light);
  font-size: 0.9rem;
  text-align: center;
}

.about-text p:first-child {
  margin-top: 0;
}

.qualifications {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-light);
}

.qualifications li {
  margin-bottom: 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.services-note {
  margin-top: 32px;
  color: var(--color-text-light);
  max-width: 640px;
}

.collab-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}

.collab-rate {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 28px 24px;
  text-align: center;
}

.rate-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.rate-unit {
  display: block;
  margin-top: 6px;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.collab-text p:first-child {
  margin-top: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 520px) auto;
  gap: 48px;
  align-items: start;
}

.contact-info h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.1rem;
}

.contact-info p {
  margin: 0 0 14px;
  color: var(--color-text-light);
}

.contact-info a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-info a:hover {
  color: var(--color-primary-dark);
}

form {
  max-width: 520px;
}

.form-row {
  margin-bottom: 18px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--color-bg);
}

.honeypot {
  position: absolute;
  left: -9999px;
}

.form-status {
  margin-top: 12px;
  font-weight: 600;
}

.form-status.success {
  color: #1a7f37;
}

.form-status.error {
  color: #c0392b;
}

.site-footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-light);
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  .site-header nav a {
    margin-left: 14px;
    font-size: 0.9rem;
  }

  .logo-img {
    height: 30px;
  }

  .hero {
    padding: 64px 0;
  }

  .hero h1 {
    font-size: 1.9rem;
  }

  .about-grid,
  .collab-grid,
  .contact-grid,
  .cards {
    grid-template-columns: 1fr;
  }

  .about-photo {
    max-width: 160px;
  }

  .about-name,
  .about-role {
    text-align: left;
  }
}