/* ========================================
   Metathos — Design Tokens & Styles
   Faithful to Cohere Design System (DESIGN.md)
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500&family=Inter:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --color-primary: #17171c;
  --color-cohere-black: #000000;
  --color-ink: #212121;
  --color-deep-green: #003c33;
  --color-canvas: #ffffff;
  --color-soft-stone: #eeece7;
  --color-hairline: #d9d9dd;
  --color-border-light: #e5e7eb;
  --color-card-border: #f2f2f2;
  --color-muted: #93939f;
  --color-slate: #75758a;
  --color-body-muted: #616161;
  --color-action-blue: #1863dc;
  --color-focus-blue: #4c6ee6;
  --color-on-primary: #ffffff;
  --color-on-dark: #ffffff;

  /* Spacing */
  --space-xxs: 2px;
  --space-xs: 6px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --space-section: 80px;

  /* Rounded */
  --rounded-xs: 4px;
  --rounded-sm: 8px;
  --rounded-md: 16px;
  --rounded-lg: 22px;
  --rounded-xl: 30px;
  --rounded-pill: 32px;
  --rounded-full: 9999px;
}

/* --- Reset --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* --- Base --- */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--color-ink);
  background-color: var(--color-canvas);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Links --- */
a {
  color: var(--color-action-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  text-decoration: underline;
}

/* --- Layout --- */
.page {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-xxl);
}

/* --- Site Name (Hero) --- */
.site-name {
  padding-top: 120px;
  padding-bottom: var(--space-xl);
}

.site-name__title {
  font-family: 'Space Grotesk', 'Inter', ui-sans-serif, system-ui, sans-serif;
  font-size: 96px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -1.92px;
  color: var(--color-ink);
}

/* --- Etymology --- */
.etymology {
  padding-bottom: var(--space-section);
}

.etymology__text {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--color-muted);
}

/* --- neplov Card --- */
.neplov-card {
  border-top: 1px solid var(--color-hairline);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-section);
}

.neplov-card__link {
  display: block;
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-sm);
  padding: var(--space-xl);
  max-width: 480px;
  transition: border-color 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.neplov-card__link:hover {
  border-color: var(--color-ink);
  text-decoration: none;
  color: inherit;
}

.neplov-card__name {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  color: var(--color-action-blue);
  margin-bottom: var(--space-sm);
}

.neplov-card__desc {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.57;
  letter-spacing: 0;
  color: var(--color-body-muted);
}

/* --- Sonnet Section --- */
.sonnet-section {
  border-top: 1px solid var(--color-hairline);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-section);
}

.sonnet-section__author {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--color-muted);
  margin-bottom: var(--space-xxl);
}

.sonnet-section__author a {
  color: var(--color-action-blue);
}

.sonnet {
  max-width: 640px;
}

.sonnet__stanza {
  margin-bottom: var(--space-xl);
}

.sonnet__stanza:last-child {
  margin-bottom: 0;
}

.sonnet__line {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0;
  color: var(--color-ink);
}

/* --- Projects --- */
.projects {
  border-top: 1px solid var(--color-hairline);
  padding-top: var(--space-xxl);
  padding-bottom: var(--space-section);
}

.projects__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.projects__item {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
}

.projects__item a {
  color: var(--color-action-blue);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-primary);
  padding: var(--space-xl) var(--space-xxl);
  margin-top: auto;
}

.site-footer__domain {
  font-family: 'Inter', 'Arial', ui-sans-serif, system-ui, sans-serif;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--color-muted);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .site-name__title {
    font-size: 72px;
    letter-spacing: -1.44px;
  }
}

@media (max-width: 768px) {
  .page {
    padding: 0 var(--space-xl);
  }

  .site-name {
    padding-top: var(--space-section);
  }

  .site-name__title {
    font-size: 60px;
    letter-spacing: -1.2px;
  }
}

@media (max-width: 640px) {
  .page {
    padding: 0 var(--space-lg);
  }

  .site-name {
    padding-top: 56px;
  }

  .site-name__title {
    font-size: 48px;
    letter-spacing: -0.48px;
  }

  .etymology__text {
    font-size: 16px;
  }

  .etymology {
    padding-bottom: 56px;
  }

  .neplov-card {
    padding-top: var(--space-xl);
    padding-bottom: 56px;
  }

  .sonnet-section {
    padding-top: var(--space-xl);
    padding-bottom: 56px;
  }

  .projects {
    padding-top: var(--space-xl);
    padding-bottom: 56px;
  }

  .site-footer {
    padding: var(--space-lg) var(--space-lg);
  }
}

@media (max-width: 425px) {
  .site-name__title {
    font-size: 36px;
    letter-spacing: -0.36px;
  }
}