:root {
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-muted: #6f6f6f;
  --color-border-subtle: #e4e4e4;
  --color-accent: #ff008c;

  --font-heading: "Khand", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Switzer", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;

  --radius-sm: 999px;

  --max-width: 960px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

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);
  border: 0;
}

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.stack-large > * + * {
  margin-top: var(--space-7);
}

.site-header {
  border-bottom: 1px solid var(--color-border-subtle);
  padding-block: var(--space-4);
  background-color: var(--color-bg);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.site-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  gap: var(--space-4);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-link {
  position: relative;
  padding-block: 0.1rem;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width 160ms ease-out;
}

.nav-link:hover::after {
  width: 100%;
}

.site-main {
  padding-block: var(--space-7);
}

.site-footer {
  border-top: 1px solid var(--color-border-subtle);
  padding-block: var(--space-4);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer-text {
  margin: 0;
}

.hero {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.hero-kicker {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
  margin: 0;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin: 0;
}

.hero-subtitle {
  max-width: 40rem;
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0;
  color: var(--color-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-credibility {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
}

.credibility-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
  margin: 0;
}

.credibility-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: 0.9rem;
}

.credibility-item {
  padding-inline: var(--space-2);
  padding-block: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: var(--space-4);
  padding-block: 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  background: transparent;
  color: var(--color-text);
  transition: background-color 120ms ease-out, color 120ms ease-out, border-color 120ms ease-out;
}

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

.button-primary:hover {
  filter: brightness(1.05);
}

.button-secondary {
  border-color: var(--color-border-subtle);
}

.button-secondary:hover {
  border-color: var(--color-text);
}

.page-header {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.page-kicker {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
  margin: 0;
}

.page-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3vw, 2.6rem);
  margin: 0;
}

.page-intro {
  margin: 0;
  max-width: 36rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: var(--color-muted);
}

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

.section-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--space-2);
}

.section-body {
  margin: 0;
  line-height: 1.7;
}

.projects-list {
  display: grid;
  gap: var(--space-5);
}

.project-card {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

.project-header {
  margin-bottom: var(--space-2);
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  margin: 0;
}

.project-meta {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.project-description {
  margin: 0 0 var(--space-3);
  line-height: 1.7;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.85rem;
}

.tag {
  padding-inline: var(--space-2);
  padding-block: 0.35rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
}

.newsletter {
  margin-top: var(--space-7);
  padding-block: var(--space-6);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.newsletter-inner {
  display: grid;
  gap: var(--space-4);
}

.newsletter-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin: 0 0 var(--space-2);
}

.newsletter-text {
  margin: 0;
  max-width: 28rem;
  line-height: 1.6;
  color: var(--color-muted);
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.newsletter-input {
  flex: 1 1 220px;
  min-width: 0;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  padding-inline: var(--space-3);
  padding-block: 0.7rem;
  font-size: 0.95rem;
  font-family: inherit;
}

.newsletter-input::placeholder {
  color: var(--color-muted);
}

.newsletter-input:focus-visible {
  border-color: var(--color-accent);
}

@media (min-width: 768px) {
  .newsletter-inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-main {
    padding-block: var(--space-6);
  }
}