/* ==========================================================================
   Steven Thiele — Brand & Component Reference v2
   Plain CSS. No framework. One breakpoint at 720px.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Palette — ink, petrol, copper, on warmed neutrals */
  --color-ink: #14181b;      /* headings, body rules, primary button fill */
  --color-petrol: #1f5661;   /* links and interactive text */
  --color-copper: #a15f2d;   /* numerals, asides, italic emphasis, active nav */
  --color-body: #3c4348;     /* running text */
  --color-meta: #6b7479;     /* labels, captions, secondary detail */
  --color-rule: #ddd6cb;     /* hairlines */
  --color-wash: #f3e7da;     /* copper wash — pull-quotes, secondary buttons */
  --color-paper: #faf7f2;    /* page */

  /* Families */
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Scale — size / line-height pairs from the guide */
  --size-h1: 3.625rem;        /* 58 */
  --leading-h1: 1.02;
  --size-h2: 1.75rem;         /* 28 */
  --leading-h2: 1.12;
  --size-h3: 1.3125rem;       /* 21 */
  --leading-h3: 1.25;
  --size-lede: 1.3125rem;     /* 21 — the italic aside/caveat size */
  --leading-lede: 1.45;
  --size-body: 1.0625rem;     /* 17 */
  --leading-body: 1.65;
  --size-aside: 0.75rem;      /* 12 */
  --size-button: 0.875rem;    /* 14 */

  --weight-heading: 500;
  --weight-body: 400;
  --weight-strong: 600;

  /* Spacing — these five steps only */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 32px;
  --space-4: 56px;
  --space-5: 72px;

  /* Layout */
  --page-max: 1120px;
  --page-pad: 80px;
  --measure: 62ch;
  --label-col: 220px;

  /* The entire animation budget */
  --transition: 150ms;
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-body);
  font-family: var(--font-sans);
  font-size: var(--size-body);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-weight: var(--weight-heading);
}

h1 {
  /* 58px is the spec; it scales down rather than overflowing narrow screens */
  font-size: clamp(2.25rem, 7vw, var(--size-h1));
  line-height: var(--leading-h1);
  letter-spacing: -0.01em;
}

h2 {
  font-size: var(--size-h2);
  line-height: var(--leading-h2);
}

h3 {
  font-size: var(--size-h3);
  line-height: var(--leading-h3);
}

/* Margins come from the layout utilities, not from element defaults */
p,
blockquote,
figure {
  margin: 0;
}

strong {
  font-weight: var(--weight-strong);
  color: var(--color-ink);
}

/* Italic is reserved for the aside, the caveat, and the occasional punchline */
em {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.08em;
  color: var(--color-copper);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--color-ink);
  background: var(--color-wash);
  padding: 0.1em 0.35em;
}

hr {
  height: 0;
  margin: var(--space-4) 0;
  border: 0;
  border-top: 1px solid var(--color-rule);
}

::selection {
  background: var(--color-wash);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   3. Layout
   -------------------------------------------------------------------------- */

.wrap {
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-pad);
}

.site-main {
  padding-block: var(--space-5) var(--space-5);
}

/* Body copy never exceeds the 62-character measure */
.measure {
  max-width: var(--measure);
}

/* Label column beside content; stacks at the breakpoint */
.labelled {
  display: grid;
  grid-template-columns: var(--label-col) 1fr;
  gap: var(--space-3);
  align-items: start;
}

.stack > * + * {
  margin-top: var(--space-2);
}

.stack-lg > * + * {
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   4. Header and nav
   Copper rule under the wordmark; italic strapline beside it, not beneath
   a divider. Active nav takes copper, hover gets a neutral rule.
   -------------------------------------------------------------------------- */

.site-header {
  padding-block: var(--space-4) var(--space-3);
}

.site-header__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-3);
}

.site-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
}

.wordmark {
  font-family: var(--font-serif);
  font-size: var(--size-h2);
  font-weight: var(--weight-heading);
  line-height: var(--leading-h2);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--color-copper);
  transition: color var(--transition) ease;
}

.wordmark:hover {
  color: var(--color-copper);
}

.strapline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--size-body);
  line-height: 1.3;
  color: var(--color-meta);
}

.site-nav {
  display: flex;
  gap: var(--space-3);
}

.site-nav a {
  font-size: var(--size-body);
  color: var(--color-ink);
  text-decoration: none;
  padding-bottom: 2px;
  /* transparent at rest so the hover rule doesn't shift anything */
  border-bottom: 1px solid transparent;
  transition: color var(--transition) ease, border-color var(--transition) ease;
}

.site-nav a:hover {
  border-bottom-color: var(--color-rule);
}

.site-nav a[aria-current="page"] {
  color: var(--color-copper);
  border-bottom-color: var(--color-copper);
}

.site-header__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-rule);
}

/* --------------------------------------------------------------------------
   5. Text patterns
   -------------------------------------------------------------------------- */

/* Mono label / eyebrow */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--size-aside);
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-meta);
}

.eyebrow--copper {
  color: var(--color-copper);
}

/* The lede — italic serif, one per page head */
.lede {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--size-lede);
  line-height: var(--leading-lede);
  color: var(--color-body);
  max-width: var(--measure);
}

/* The aside — mono, copper, one per screen, never two */
.aside {
  font-family: var(--font-mono);
  font-size: var(--size-aside);
  line-height: 1.5;
  color: var(--color-copper);
  max-width: 44ch;
}

/* Inline links: petrol with a hairline underline, warming to copper */
a {
  color: var(--color-petrol);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition) ease;
}

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

/* --------------------------------------------------------------------------
   6. Section divider
   Mono label above a serif line, sitting on a hairline rule.
   -------------------------------------------------------------------------- */

.divider {
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-rule);
}

.divider__label {
  font-family: var(--font-mono);
  font-size: var(--size-aside);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-meta);
}

.divider__title {
  margin-top: var(--space-1);
  font-family: var(--font-serif);
  font-size: var(--size-h2);
  font-weight: var(--weight-heading);
  line-height: var(--leading-h2);
  color: var(--color-ink);
}

.divider__body {
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   7. Cards
   2px ink top rule, oversized copper serif numeral.
   No shadow, no radius, no icons.
   -------------------------------------------------------------------------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.card {
  padding-top: var(--space-2);
  border-top: 2px solid var(--color-ink);
}

.card__number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1;
  font-weight: var(--weight-heading);
  color: var(--color-copper);
}

.card__title {
  margin-top: var(--space-2);
  font-family: var(--font-serif);
  font-size: var(--size-h3);
  line-height: var(--leading-h3);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.card__body {
  margin-top: var(--space-1);
  color: var(--color-body);
}

/* Pull-quote — the one permitted copper-wash block per page */
.pull-quote {
  padding: var(--space-3);
  background: var(--color-wash);
  font-family: var(--font-serif);
  font-size: var(--size-h2);
  line-height: var(--leading-h2);
  color: var(--color-ink);
  max-width: 34ch;
}

/* --------------------------------------------------------------------------
   8. Buttons
   14px / 500, 14px 26px padding, square. One primary per page.
   -------------------------------------------------------------------------- */

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: var(--size-button);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition) ease,
              border-color var(--transition) ease,
              color var(--transition) ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-copper);
  outline-offset: 2px;
}

.btn--primary {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: var(--color-paper);
}

.btn--primary:hover {
  background: var(--color-copper);
  border-color: var(--color-copper);
  color: var(--color-paper);
}

.btn--secondary {
  background: var(--color-wash);
  border-color: var(--color-copper);
  color: var(--color-ink);
}

.btn--secondary:hover {
  color: var(--color-copper);
}

.btn[disabled],
.btn--disabled {
  background: transparent;
  border-color: var(--color-rule);
  color: var(--color-meta);
  cursor: not-allowed;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   9. Prose — markdown output on About / Contact
   -------------------------------------------------------------------------- */

/* Text elements hold the 62ch measure; raw blocks (cards, labelled rows)
   are free to use the full column. */
.prose > p,
.prose > h2,
.prose > h3,
.prose > ul,
.prose > ol,
.prose > blockquote {
  max-width: var(--measure);
}

.prose > * + * {
  margin-top: var(--space-2);
}

.prose > h2 {
  margin-top: var(--space-4);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-rule);
}

.prose > h3 {
  margin-top: var(--space-3);
}

.prose ul,
.prose ol {
  margin-block: 0;
  padding-left: var(--space-3);
}

.prose li + li {
  margin-top: var(--space-1);
}

.prose li::marker {
  color: var(--color-copper);
}

.prose > .btn-row,
.prose > .aside {
  margin-top: var(--space-3);
}

.prose blockquote {
  padding-left: var(--space-2);
  border-left: 2px solid var(--color-copper);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--size-lede);
  line-height: var(--leading-lede);
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   10. Page head and footer
   -------------------------------------------------------------------------- */

.page-head {
  max-width: var(--measure);
}

.page-head__eyebrow {
  margin-bottom: var(--space-2);
}

.page-head__lede {
  margin-top: var(--space-3);
}

/* Content block beneath the page head */
.page-body {
  margin-top: var(--space-4);
}

.site-footer {
  margin-top: var(--space-5);
  padding-block: var(--space-2) var(--space-4);
  border-top: 1px solid var(--color-rule);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-1) var(--space-3);
}

/* --------------------------------------------------------------------------
   11. Contact form
   Labels reuse the mono eyebrow treatment; inputs pick up the sitewide
   :focus-visible ring from section 2, so there is nothing focus-specific
   to add here.
   -------------------------------------------------------------------------- */

.contact-form {
  max-width: var(--measure);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field-control {
  width: 100%;
  padding: 12px var(--space-2);
  border: 1px solid var(--color-rule);
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: var(--size-body);
  line-height: var(--leading-body);
}

.field-control::placeholder {
  color: var(--color-meta);
}

textarea.field-control {
  resize: vertical;
  min-height: 8em;
}

/* Cloudflare Turnstile's own widget; "flexible" (set in the markup) fills
   this width rather than the fixed ~300px default, so it never overflows
   the measure on narrow screens. */
.cf-turnstile {
  width: 100%;
}

.form-status {
  font-family: var(--font-mono);
  font-size: var(--size-aside);
  min-height: 1.4em;
}

.form-status[data-state="success"] {
  color: var(--color-ink);
}

.form-status[data-state="error"] {
  color: var(--color-copper);
}

/* --------------------------------------------------------------------------
   12. Breakpoint
   Side padding drops to 40px, columns stack, cards go single-file.
   -------------------------------------------------------------------------- */

@media (max-width: 720px) {
  :root {
    --page-pad: 40px;
  }

  .site-header {
    padding-block: var(--space-3) var(--space-2);
  }

  .site-header__top {
    /* wordmark and strapline stack above the nav on narrow screens */
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .site-brand {
    flex-direction: column;
    gap: var(--space-1);
  }

  .site-nav {
    gap: var(--space-2);
  }

  .site-main {
    padding-block: var(--space-4);
  }

  .labelled {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .pull-quote {
    padding: var(--space-2);
    font-size: var(--size-h3);
    line-height: var(--leading-h3);
  }

  .btn {
    /* full-width taps, still square */
    flex: 1 1 100%;
    text-align: center;
  }
}