:root {
  --background: #f8f8f6;
  --surface: #ffffff;
  --surface-muted: #f0f2ef;
  --text: #18201d;
  --text-muted: #53605b;
  --border: #d5dbd7;
  --accent: #176b52;
  --accent-dark: #10513e;
  --error: #9b2c2c;
  --error-background: #fff5f5;
  --success: #1d644e;
  --success-background: #effaf5;
  --focus: #0b6fac;
  --radius: 0.35rem;
  --container: 66.25rem;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

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

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.16;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 15ch;
  margin-bottom: 1.5rem;
  font-size: clamp(2.45rem, 6vw, 4.6rem);
  font-weight: 700;
}

h2 {
  margin-bottom: 1.25rem;
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.25rem;
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-180%);
  border-radius: var(--radius);
  background: var(--text);
  color: var(--surface);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(248, 248, 246, 0.97);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-list {
  display: flex;
  margin: 0;
  padding: 0;
  gap: clamp(1rem, 3vw, 2rem);
  list-style: none;
}

.nav-list a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
}

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

.hero {
  padding: clamp(5rem, 11vw, 9rem) 0;
}

.hero-content {
  display: grid;
  justify-items: start;
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-lead {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: var(--text-muted);
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.25rem;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #ffffff;
}

.section {
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.section-heading {
  max-width: 43rem;
  margin-bottom: 3rem;
}

.section-heading > p:last-child,
.about-copy,
.contact-intro > p:last-child {
  color: var(--text-muted);
  font-size: 1.08rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  column-gap: clamp(2rem, 7vw, 5rem);
}

.service {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}

.service p {
  margin-bottom: 0;
  color: var(--text-muted);
}

.section-muted {
  background: var(--surface-muted);
}

.about-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(3rem, 8vw, 7rem);
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.contact-section {
  background: var(--surface);
}

.contact-intro {
  align-self: start;
}

.form-panel {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--background);
}

.form-field {
  margin-bottom: 1.35rem;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 700;
}

.optional,
.required-note {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 400;
}

input,
textarea {
  display: block;
  width: 100%;
  padding: 0.78rem 0.85rem;
  border: 1px solid #aeb8b2;
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  line-height: 1.4;
}

textarea {
  min-height: 10rem;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--focus);
  outline: 3px solid rgba(11, 111, 172, 0.2);
}

input[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border: 2px solid var(--error);
}

.field-error {
  margin: 0.4rem 0 0;
  color: var(--error);
  font-size: 0.9rem;
  font-weight: 650;
}

.field-error::before {
  content: "Błąd: ";
}

.message {
  display: grid;
  margin-bottom: 1.5rem;
  padding: 1rem;
  border: 1px solid;
  border-radius: var(--radius);
  gap: 0.15rem;
}

.message-success {
  border-color: #8bbca9;
  background: var(--success-background);
  color: var(--success);
}

.message-error {
  border-color: #d6a0a0;
  background: var(--error-background);
  color: var(--error);
}

.honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.required-note {
  margin-bottom: 1rem;
}

.site-footer {
  padding: 2.25rem 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-inner p {
  margin: 0;
}

.footer-inner strong {
  color: var(--text);
}

@media (max-width: 45rem) {
  .header-inner {
    min-height: auto;
    padding: 1rem 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-list {
    flex-wrap: wrap;
  }

  .services-grid,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .about-layout,
  .contact-layout {
    gap: 2.5rem;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.35rem;
  }
}

@media (max-width: 25rem) {
  .container {
    width: min(calc(100% - 1.5rem), var(--container));
  }

  .nav-list {
    gap: 0.75rem 1rem;
  }
}