/* Andrew Sheerin — Portfolio 2026
   Editorial, calm, readable. Desktop-first. */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500&family=Source+Serif+4:ital,opsz,wght@0,8..60,400;0,8..60,500;0,8..60,600;1,8..60,400&display=swap');

:root {
  --color-paper: #f7f5f2;
  --color-paper-warm: #f0ece6;
  --color-ink: #1c1c1c;
  --color-ink-muted: #5c5752;
  --color-ink-faint: #8a8480;
  --color-accent: #3d4f5f;
  --color-accent-light: #e8ecf0;
  --color-rule: #ddd8d0;
  --color-rule-hover: #e8e4de;
  --color-highlight: #faf8f5;

  --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-sans: 'IBM Plex Sans', system-ui, sans-serif;

  --width-prose: 42rem;
  --width-wide: 72rem;
  --width-full: 90rem;
  --width-site: 80rem; /* 1440px @ 18px — header, footer, homepage sections */

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  --line-height-body: 1.65;
  --line-height-tight: 1.25;
}

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

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: var(--line-height-body);
  color: var(--color-ink);
  background: var(--color-paper);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

/* ——— Layout ——— */

.container {
  width: min(var(--width-site), 100%);
  margin-inline: auto;
  padding-inline: 2rem;
}

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

.container--full {
  width: min(var(--width-full), calc(100% - 2rem));
  margin-inline: auto;
}

.page-rule {
  border: 0;
  border-top: 1px solid var(--color-rule);
  margin: 0;
}

/* ——— Header ——— */

.site-header {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-rule);
  background: var(--color-paper);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-logo {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-ink);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-ink);
  text-decoration: underline;
}

/* ——— Typography ——— */

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin: 0 0 var(--space-sm);
}

.lead {
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--color-ink);
  margin: 0 0 var(--space-md);
}

.lead--large {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.35;
  font-weight: 400;
  max-width: 36rem;
}

h1, h2, h3 {
  font-weight: 500;
  line-height: var(--line-height-tight);
  margin: 0 0 var(--space-sm);
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xl);
}

h3 {
  font-size: 1.15rem;
  font-family: var(--font-sans);
  font-weight: 500;
  margin-top: var(--space-lg);
}

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

p:last-child {
  margin-bottom: 0;
}

.text-muted {
  color: var(--color-ink-muted);
}

.text-small {
  font-size: 0.9rem;
}

blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-md) 0 var(--space-md) var(--space-md);
  border-left: 2px solid var(--color-accent);
  font-style: italic;
  color: var(--color-ink-muted);
}

blockquote p {
  margin: 0;
}

/* ——— Sections ——— */

.section {
  padding-block: var(--space-xl);
}

.section--hero {
  padding-block: var(--space-2xl) 0;
}

.section--hero:has(.about-hero) {
  padding-bottom: 0;
}

.about-hero.ref-hero {
  padding-top: 0;
  gap: 2.5rem;
  align-items: flex-end;
}

.about-hero .ref-hero__portrait {
  width: 11.5rem;
  height: 15.5rem;
  align-self: flex-end;
}

.about-hero .ref-hero__content {
  align-items: flex-start;
  align-self: flex-end;
  padding-bottom: 4rem;
}

.about-hero .ref-hero__title,
.about-hero .ref-hero__lead {
  text-align: left;
  max-width: none;
}

.about-hero .ref-hero__title {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.about-hero .ref-hero__lead {
  max-width: 36rem;
}

.about-pull-quote {
  margin: var(--space-md) clamp(1.5rem, 6vw, 4rem) var(--space-lg);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.55;
}

.about-pull-quote p {
  margin: 0;
}

/* REF-001 / Hero — matches Figma component */
.ref-hero {
  display: flex;
  align-items: flex-start;
  gap: 4rem;
  padding-top: 5.333rem;
  background: var(--color-paper);
}

.ref-hero__portrait {
  flex-shrink: 0;
  width: 20.055rem;
  height: 29.5rem;
  overflow: hidden;
}

.ref-hero__portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.ref-hero__content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1.333rem;
}

.ref-hero__eyebrow {
  margin: 0;
  max-width: 22.222rem;
  font-family: var(--font-sans);
  font-size: 0.667rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: right;
  color: var(--color-ink-faint);
}

.ref-hero__title {
  margin: 0;
  max-width: 29.389rem;
  font-family: var(--font-serif);
  font-size: 2.444rem;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-align: right;
  color: var(--color-ink);
}

.ref-hero__lead {
  margin: 0;
  max-width: 26.667rem;
  font-family: var(--font-serif);
  font-size: 1.111rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-ink);
}

.ref-hero__body {
  margin: 0;
  max-width: 26.667rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-ink-muted);
}

.section--work {
  padding-block: 0;
}

.section--work .work-grid {
  padding-block: var(--space-lg) var(--space-xl);
}

@media (max-width: 900px) {
  .section--hero:has(+ .section--work) {
    padding-block: var(--space-xl) 0;
  }

  .section--work .work-grid {
    padding-top: var(--space-md);
  }
}

.section--prose {
  padding-block: 0;
}

.ref-prose {
  max-width: var(--width-prose);
  margin-inline: auto;
  padding-block: var(--space-xl);
}

.ref-prose--themes {
  padding-block: var(--space-xl);
  margin-bottom: 0;
}

.section--themes {
  padding-block: 0;
}

.section--secondary {
  padding-block: 0;
}

.section--secondary .work-grid {
  padding-block: var(--space-xl);
}

.ref-section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-top: var(--space-xl);
}

.ref-section-header h2 {
  margin-top: 0;
}

.ref-section-header__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.section--prose h2 {
  margin-top: 0;
}

.section--prose blockquote {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .ref-hero {
    flex-direction: column;
    gap: var(--space-lg);
    padding-top: var(--space-xl);
  }

  .ref-hero__portrait {
    width: min(16rem, 70vw);
    height: auto;
    aspect-ratio: 361 / 531;
  }

  .ref-hero__content {
    align-items: flex-start;
  }

  .ref-hero__eyebrow,
  .ref-hero__title {
    text-align: left;
    max-width: none;
  }

  .ref-hero__lead,
  .ref-hero__body {
    max-width: none;
  }
}

.section--tight {
  padding-block: var(--space-lg);
}

.section--rule {
  border-top: 1px solid var(--color-rule);
}

/* ——— Work cards ——— */

.work-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
  padding-block: var(--space-xl);
}

@media (min-width: 901px) {
  .work-grid--pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

.work-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border-top: 2px solid var(--color-ink);
  padding-top: var(--space-md);
  transition: border-color 0.2s ease;
}

.work-card::before {
  content: '';
  position: absolute;
  inset: calc(-1 * var(--space-md)) -1.15rem -1.15rem;
  border-radius: 2px;
  background: transparent;
  transition: background-color 0.2s ease;
  z-index: -1;
}

.work-card::after {
  content: '';
  position: absolute;
  inset: calc(-1 * var(--space-md)) -1.15rem -1.15rem;
  border: 1px solid transparent;
  border-radius: 2px;
  pointer-events: none;
  transition: border-color 0.2s ease;
}

.work-card:hover {
  border-top-color: var(--color-accent);
}

.work-card:hover::before {
  background: #fff;
}

.work-card:hover::after {
  border-color: var(--color-rule-hover);
}

.work-card:hover .work-card__title {
  color: var(--color-accent);
}

.work-card__number {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-xs);
}

.work-card__title {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 500;
  margin: 0 0 var(--space-xs);
  transition: color 0.2s ease;
}

.work-card__thesis {
  font-size: 0.85rem;
  color: var(--color-ink-muted);
  line-height: 1.5;
  margin: 0 0 var(--space-md);
  flex: 1;
}

.work-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  background: var(--color-paper-warm);
  margin-top: auto;
}

/* Design in depth - field-notes card in More work footers */
.work-card--depth .work-card__number {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.work-card--depth .work-card__number svg {
  flex-shrink: 0;
  color: var(--color-ink-faint);
  opacity: 0.75;
}

/* ——— Design in depth (craft entry, not a case card) ——— */

.work-depth {
  border-top: 1px solid var(--color-rule);
  padding-block: var(--space-xl) var(--space-xl);
}

.work-depth__link {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem);
  gap: var(--space-lg) var(--space-xl);
  align-items: start;
  text-decoration: none;
  color: inherit;
  width: 100%;
  margin: 0;
  padding: 1.15rem;
}

.work-depth__link::before {
  content: '';
  position: absolute;
  inset: 0 -1.15rem -1.15rem;
  border-radius: 2px;
  background: transparent;
  transition: background-color 0.2s ease;
  z-index: -1;
}

.work-depth__link::after {
  content: '';
  position: absolute;
  inset: 0 -1.15rem -1.15rem;
  border: 1px solid transparent;
  border-radius: 2px;
  pointer-events: none;
  transition: border-color 0.2s ease;
}

.work-depth__link:hover::before {
  background: #fff;
}

.work-depth__link:hover::after {
  border-color: var(--color-rule-hover);
}

.work-depth__link:hover .work-depth__lead {
  color: var(--color-accent);
}

.work-depth__link:hover .work-depth__whisper {
  color: var(--color-ink);
}

.work-depth__copy {
  max-width: 34rem;
}

.work-depth__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: var(--space-sm);
}

.work-depth__mark {
  flex-shrink: 0;
  color: var(--color-ink-faint);
  opacity: 0.75;
}

.work-depth__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  font-weight: 500;
  line-height: 1.25;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.02em;
  transition: color 0.2s ease;
}

.work-depth__hinge {
  margin: 0 0 var(--space-md);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--color-ink-muted);
}

.work-depth__whisper {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--color-ink-faint);
  transition: color 0.2s ease;
}

.work-depth__whisper-arrow {
  display: inline-block;
  margin-right: 0.35rem;
  transition: transform 0.2s ease;
}

.work-depth__link:hover .work-depth__whisper-arrow {
  transform: translateX(3px);
}

.work-depth__image {
  width: 100%;
  max-width: 22rem;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  background: var(--color-paper-warm);
  display: block;
  justify-self: end;
  border: 1px solid var(--color-rule);
}

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

  .work-depth__image {
    max-width: none;
    justify-self: stretch;
    order: -1;
  }
}

/* ——— Case study ——— */

.case-header {
  padding-block: var(--space-xl) var(--space-lg);
  border-bottom: 1px solid var(--color-rule);
}

.case-thesis {
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  line-height: 1.35;
  font-weight: 400;
  max-width: 40rem;
  margin: var(--space-sm) 0 var(--space-lg);
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-rule);
}

@media (max-width: 768px) {
  .case-meta {
    grid-template-columns: repeat(2, 1fr);
  }
}

.case-meta dt {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: 0.25rem;
}

.case-meta dd {
  font-size: 0.9rem;
  margin: 0;
  color: var(--color-ink);
}

/* Case study narrative blocks */

.narrative-block {
  padding-block: var(--space-lg);
}

.narrative-block + .narrative-block {
  border-top: 1px solid var(--color-rule);
}

.narrative-block__label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* Evidence figures */

.figure {
  margin: var(--space-lg) 0;
}

.figure--wide {
  margin-inline: calc(-1 * ((min(var(--width-wide), calc(100% - 4rem)) - min(var(--width-prose), calc(100% - 4rem))) / 2));
}

.figure--full {
  margin-inline: calc(-1 * ((min(var(--width-full), calc(100% - 2rem)) - min(var(--width-prose), calc(100% - 4rem))) / 2));
}

.figure img {
  border: 1px solid var(--color-rule);
  background: var(--color-highlight);
}

.figure__caption {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  margin-top: var(--space-xs);
  line-height: 1.5;
}

/* Outcome callout */

.outcome {
  background: var(--color-accent-light);
  padding: var(--space-md) var(--space-lg);
  margin: var(--space-lg) 0;
  border-left: 3px solid var(--color-accent);
}

.outcome__label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

/* ——— How I Work pillars ——— */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (max-width: 768px) {
  .pillar-grid {
    grid-template-columns: 1fr;
  }
}

.pillar {
  padding: var(--space-md);
  border: 1px solid var(--color-rule);
  background: var(--color-highlight);
}

.pillar h3 {
  margin-top: 0;
}

/* ——— About ——— */

.timeline {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
}

.timeline li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-rule);
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: var(--space-md);
}

@media (max-width: 600px) {
  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

.timeline__period {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-ink-faint);
}

.contact-hero .lead {
  margin-bottom: 0;
  padding-bottom: var(--space-md);
}

main:has(.contact-hero) > .section:not(.section--hero) {
  padding-top: var(--space-sm);
}

.contact-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-links li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-rule);
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: var(--space-md);
  align-items: baseline;
}

.contact-links li:first-child {
  border-top: 1px solid var(--color-rule);
}

.contact-links__label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .contact-links li {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* ——— Footer ——— */

.page-rule + .site-footer {
  border-top: none;
  margin-top: 0;
}

.site-footer {
  padding: var(--space-xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-rule);
  margin-top: var(--space-xl);
}

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

.site-footer p {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-ink-faint);
  margin: 0;
}

.site-footer a {
  color: var(--color-ink-muted);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

/* ——— Utility ——— */

.sr-only {
  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;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  z-index: 200;
}

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