/* ==========================================================================
   Alex M Stanley — main stylesheet
   Design tokens first, then base/reset, then layout, then components.
   No CSS framework — plain CSS with custom properties.
   ========================================================================== */

:root {
  /* Colour */
  --paper: #f5f4ef;
  --paper-raised: #fbfaf6;
  --ink: #1b1b18;
  --muted: #57534a;
  --muted-2: #656157; /* darkened from initial draft to clear 4.5:1 on --paper */
  --line: #dedacf; /* decorative dividers only — not used for text or input borders */
  --accent: #2f4a3b;
  --accent-ink: #223a2d;
  --ochre: #7c5820; /* darkened from initial draft to clear 4.5:1 on --paper */

  /* Type */
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Layout */
  --wrap-width: 1080px;
  --prose-width: 640px;
  --radius: 3px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
}

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

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  display: block;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

button {
  font: inherit;
  background: none;
  border: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 var(--space-2);
}

h1 {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 500;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.wrap {
  max-width: var(--wrap-width);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

/* ---------- Accessibility helpers ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -50px;
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  z-index: 100;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: var(--space-2);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.site-header__id {
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
}

.site-header__tagline {
  font-size: 0.8rem;
  color: var(--muted);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  cursor: pointer;
}

.primary-nav ul {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.primary-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--ink);
}

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

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-block;
  }
  .primary-nav {
    display: none;
    width: 100%;
    order: 3;
    border-top: 1px solid var(--line);
    margin-top: var(--space-2);
    padding-top: var(--space-2);
  }
  .primary-nav.is-open {
    display: block;
  }
  .primary-nav ul {
    flex-direction: column;
    gap: var(--space-1);
  }
  .site-header__inner {
    flex-wrap: wrap;
  }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: var(--space-6) var(--space-5);
}

.hero__eyebrow {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: var(--space-1);
}

.hero__name {
  margin-bottom: var(--space-3);
}

.hero__intro {
  max-width: var(--prose-width);
  font-size: 1.15rem;
  color: var(--muted);
}

.hero__links {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

/* ---------- Buttons & links ---------- */
.btn {
  display: inline-block;
  border: 1px solid var(--ink);
  color: var(--ink);
  text-decoration: none;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.btn:hover,
.btn:focus-visible {
  background: var(--ink);
  color: var(--paper);
}

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

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-ink);
  border-color: var(--accent-ink);
  color: var(--paper);
}

.text-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ext-link {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ext-link__mark {
  display: inline-block;
  margin-left: 0.15em;
  font-size: 0.85em;
}

/* ---------- Sections ---------- */
.section {
  padding-block: var(--space-5);
  border-top: 1px solid var(--line);
}

.hero + .section {
  border-top: 1px solid var(--line);
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.section__all-link {
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.section--prose p {
  max-width: var(--prose-width);
  color: var(--ink);
}

.section--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.section--split p {
  color: var(--muted);
}

@media (max-width: 780px) {
  .section--split {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* ---------- Page head (non-home pages) ---------- */
.page-head {
  padding-block: var(--space-5) var(--space-4);
}

.page-head__eyebrow {
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: var(--space-1);
}

.page-head__eyebrow a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-head__lede {
  max-width: var(--prose-width);
  color: var(--muted);
  font-size: 1.05rem;
}

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

.page-head__links {
  margin-top: var(--space-2);
}

/* ---------- Tags ---------- */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius);
  border: 1px solid currentColor;
  white-space: nowrap;
}

.tag--demonstrated {
  color: var(--accent-ink);
  background: rgba(47, 74, 59, 0.08);
  border-color: var(--accent);
}

.tag--developing {
  color: var(--ochre);
  background: rgba(124, 88, 32, 0.1);
  border-color: var(--ochre);
}

/* ---------- Project grid (homepage) ---------- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

.project-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: var(--paper-raised);
  display: flex;
  flex-direction: column;
}

.project-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1);
  margin-bottom: 0.25rem;
}

.project-card__head h3 {
  margin: 0;
  font-size: 1.15rem;
}

.project-card h3 a,
.project-row h2 a,
.writing-row h2 a {
  text-decoration: none;
  color: var(--ink);
}

.project-card h3 a:hover,
.project-row h2 a:hover,
.writing-row h2 a:hover {
  text-decoration: underline;
}

.project-card__meta {
  font-size: 0.85rem;
  color: var(--muted-2);
  margin-bottom: var(--space-2);
}

.project-card__summary {
  color: var(--muted);
  font-size: 0.95rem;
}

.project-card__cta {
  margin-top: auto;
  padding-top: var(--space-1);
}

.project-card__cta a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.project-card__cta a:hover {
  text-decoration: underline;
}

/* ---------- Stat block ---------- */
.stat-block {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
}

.stat-block__item dt {
  font-size: 0.75rem;
  color: var(--muted-2);
  margin-bottom: 0.2rem;
}

.stat-block__item dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
}

/* ---------- Project list (index page) ---------- */
.project-list {
  display: flex;
  flex-direction: column;
}

.project-row {
  padding-block: var(--space-3);
  border-top: 1px solid var(--line);
}

.project-row:first-child {
  border-top: none;
}

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

.project-row__head h2 {
  font-size: 1.3rem;
  margin: 0;
}

.project-row__meta {
  font-size: 0.85rem;
  color: var(--muted-2);
  margin-top: 0.2rem;
}

.project-row__summary {
  max-width: var(--prose-width);
  color: var(--muted);
  margin-top: var(--space-1);
}

.project-row__cta a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.project-row__cta a:hover {
  text-decoration: underline;
}

.tech-inline-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-inline-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.2rem 0.6rem;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Timeline ---------- */
.timeline {
  border-left: 1px solid var(--line);
  padding-left: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.timeline__entry {
  position: relative;
}

.timeline__marker {
  position: absolute;
  left: calc(var(--space-3) * -1 - 5px);
  top: 0.4rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

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

.timeline__head h3 {
  margin: 0;
}

.timeline__dates {
  font-size: 0.85rem;
  color: var(--muted-2);
  white-space: nowrap;
  margin: 0;
}

.timeline__org {
  color: var(--accent-ink);
  font-weight: 500;
  margin: 0.15rem 0 var(--space-1);
}

.timeline__summary {
  max-width: var(--prose-width);
  color: var(--muted);
}

.timeline__highlights {
  max-width: var(--prose-width);
  margin-top: var(--space-1);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.timeline__highlights li {
  position: relative;
  padding-left: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.timeline__highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  background: var(--line);
  border-radius: 50%;
}

/* ---------- Compact roles ---------- */
.compact-roles {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

@media (max-width: 700px) {
  .compact-roles {
    grid-template-columns: 1fr;
  }
}

.compact-roles__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
}

.compact-roles__title {
  font-weight: 600;
  margin: 0 0 0.15rem;
}

.compact-roles__org {
  color: var(--muted-2);
  font-size: 0.9rem;
  margin: 0 0 var(--space-1);
}

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

/* ---------- Skills ---------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4) var(--space-3);
}

@media (max-width: 780px) {
  .skill-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 500px) {
  .skill-grid {
    grid-template-columns: 1fr;
  }
}

.skill-group h3 {
  font-size: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-1);
}

.skill-group__list li {
  color: var(--muted);
  font-size: 0.95rem;
  padding-block: 0.2rem;
}

.lang-list {
  display: flex;
  gap: var(--space-2);
}

.lang-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.3rem 0.8rem;
  font-size: 0.9rem;
}

/* ---------- Writing ---------- */
.writing-list {
  display: flex;
  flex-direction: column;
}

.writing-row {
  padding-block: var(--space-3);
  border-top: 1px solid var(--line);
}

.writing-row:first-child {
  border-top: none;
}

.writing-row__meta {
  font-size: 0.8rem;
  color: var(--muted-2);
  margin-bottom: 0.2rem;
}

.writing-row h2 {
  font-size: 1.25rem;
  margin: 0 0 0.3rem;
}

.writing-row__desc {
  color: var(--muted);
  max-width: var(--prose-width);
}

.writing-row__cta a {
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
}

.writing-row__cta a:hover {
  text-decoration: underline;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-align: left;
  max-width: var(--prose-width);
}

.empty-state__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.empty-state__body {
  color: var(--muted);
  margin: 0;
}

/* ---------- Education (about page) ---------- */
.edu-block__institution {
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.edu-block__qualification,
.edu-block__dates,
.edu-block__specialism {
  color: var(--muted);
  margin: 0 0 0.2rem;
}

/* ---------- Contact ---------- */
.contact-list li {
  margin-bottom: 0.5rem;
}

.contact-list a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--accent);
}

.contact-note {
  color: var(--muted-2);
  font-size: 0.9rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-width: var(--prose-width);
}

.contact-form label {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: var(--space-1);
}

.contact-form input,
.contact-form textarea {
  font: inherit;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--muted-2);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.contact-form button {
  margin-top: var(--space-2);
  align-self: flex-start;
  cursor: pointer;
}

/* ---------- CV page ---------- */
.cv-head__contact {
  color: var(--muted);
  font-size: 0.9rem;
}

.cv-print-hint {
  font-size: 0.8rem;
  color: var(--muted-2);
}

.cv-section h2 {
  font-size: 1.2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-1);
  margin-bottom: var(--space-3);
}

.cv-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cv-item__head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.cv-item__title {
  font-weight: 600;
  margin: 0;
}

.cv-item__dates {
  color: var(--muted-2);
  font-size: 0.9rem;
  margin: 0;
  white-space: nowrap;
}

.cv-item__summary {
  color: var(--muted);
  margin: 0.2rem 0 0;
}

.cv-item__list {
  margin-top: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.cv-item__list li {
  color: var(--muted);
  font-size: 0.92rem;
  padding-left: 1rem;
  position: relative;
}

.cv-item__list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--muted-2);
}

.cv-skills p {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.cv-skills__languages {
  margin-top: var(--space-1);
  color: var(--muted);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: var(--space-6);
  padding-block: var(--space-4);
}

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

.site-footer__name {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
}

.site-footer__location {
  color: var(--muted-2);
  font-size: 0.9rem;
  margin: 0.15rem 0 0;
}

.site-footer__nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.site-footer__nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer__nav a:hover {
  color: var(--ink);
}

.site-footer__col--links {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.9rem;
}

.site-footer__col--links a {
  text-decoration: underline;
  text-underline-offset: 3px;
  color: var(--muted);
}

/* ---------- Print (used by the CV page) ---------- */
@media print {
  .site-header,
  .site-footer,
  .cv-print-hint,
  .nav-toggle {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }
  .wrap {
    max-width: 100%;
  }
  a {
    color: #000 !important;
    text-decoration: none !important;
  }
  .section {
    border-top: none;
    padding-block: var(--space-2);
  }
}

/* ---------- Visual archive (Fractal posters) ---------- */
.poster-archive {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4) var(--space-3);
  margin-top: var(--space-3);
}

@media (max-width: 780px) {
  .poster-archive {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 460px) {
  .poster-archive {
    grid-template-columns: 1fr;
  }
}

.poster__img {
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raised);
}

.poster__caption {
  margin: var(--space-1) 0 0;
  line-height: 1.4;
}

.poster__title,
.poster__meta {
  display: block;
}

.poster__title {
  font-size: 0.95rem;
}

.poster__meta {
  font-size: 0.85rem;
  color: var(--muted-2);
}

/* ---------- Notes attached to a section ---------- */
.archive-note {
  max-width: var(--prose-width);
  color: var(--muted-2);
  font-size: 0.9rem;
  margin-top: 0;
}

.skill-group__evidence {
  margin: var(--space-1) 0 0;
  font-size: 0.82rem;
  color: var(--muted-2);
  font-style: italic;
}

/* Keep the poster archive out of printed output. */
@media print {
  .poster-archive {
    display: none !important;
  }
}