/* David Malkin — portfolio. Editorial dossier system.
   Source of truth for copy: Portfolio_Program/content/ (public layers only). */

:root {
  --paper: #fbf9f4;
  --ink: #1b1813;
  --ink-soft: #4a443b;
  --accent: #7a3128;      /* oxblood: links, rules of emphasis */
  --hairline: #ddd6c8;
  --exhibit-bg: #f4f0e6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: ui-sans-serif, system-ui, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { font-size: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
.wrap-wide { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }
main { display: block; padding-bottom: 4rem; }

/* Header / nav */
.site-header {
  border-bottom: 1px solid var(--hairline);
  padding: 1.1rem 0;
  margin-bottom: 3rem;
}
.site-header .wrap-wide {
  display: flex; flex-wrap: wrap; gap: 0.75rem 2rem;
  align-items: baseline; justify-content: space-between;
}
.site-name {
  font-family: var(--serif);
  font-size: 1.05rem; font-weight: 600;
  letter-spacing: 0.01em; text-decoration: none; color: var(--ink);
}
.site-nav a {
  font-family: var(--sans);
  font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none; margin-left: 1.5rem;
}
.site-nav a:first-child { margin-left: 0; }
.site-nav a[aria-current="page"] { color: var(--accent); border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
.site-nav a:hover { color: var(--accent); }

/* Type */
h1, h2, h3 { font-family: var(--serif); line-height: 1.25; font-weight: 600; }
h1 { font-size: 2.1rem; margin: 0 0 1rem; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; margin: 2.75rem 0 0.75rem; }
h3 { font-size: 1.05rem; margin: 2rem 0 0.5rem; }
p { margin: 0 0 1.1rem; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
strong { font-weight: 600; }

.kicker {
  font-family: var(--sans);
  font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 0.75rem;
}
.lede { font-size: 1.2rem; line-height: 1.55; color: var(--ink); }
.muted { color: var(--ink-soft); }
.small { font-size: 0.9rem; }

hr { border: 0; border-top: 1px solid var(--hairline); margin: 3rem 0; }

/* Focus */
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 1px;
}

/* Skip link */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.5rem 1rem; font-family: var(--sans); font-size: 0.85rem; z-index: 10;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* Proof points */
.proof-list { list-style: none; margin: 2rem 0; padding: 0; border-top: 1px solid var(--hairline); }
.proof-list li { padding: 1rem 0; border-bottom: 1px solid var(--hairline); }
.proof-list .figure { font-size: 1.5rem; font-weight: 600; display: block; letter-spacing: -0.01em; }
.proof-list .qualifier { color: var(--ink-soft); font-size: 0.95rem; }

/* Work cards */
.work-list { list-style: none; padding: 0; margin: 1.5rem 0; }
.work-list li { border-top: 1px solid var(--hairline); border-left: 3px solid var(--accent); padding: 1.5rem 0 1.5rem 1.1rem; }
.work-list h3, .work-list h2 { margin: 0 0 0.35rem; font-size: 1.25rem; }
.work-list p { margin: 0 0 0.4rem; color: var(--ink-soft); }
.work-list .meta { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.work-list.compact li { padding: 1rem 0 1rem 1.1rem; border-left-width: 2px; }
.work-list.compact h3 { font-size: 1.05rem; }

/* Resume: restrained proof-and-navigation page */
.resume-actions {
  display: flex; flex-wrap: wrap; gap: 0.7rem 1.4rem; align-items: center;
  margin: 1.75rem 0 3rem;
  font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; font-weight: 650;
}
.resume-actions a { display: inline-block; }
.resume-action-primary {
  background: var(--accent); color: var(--paper); text-decoration: none;
  padding: 0.75rem 1rem;
}
.resume-action-primary:hover { background: #5e241d; }
.resume-stories { margin: 3.5rem 0 4rem; }
.resume-stories-header { max-width: 34rem; margin-bottom: 1.25rem; }
.resume-stories-header .kicker { margin-bottom: 0.35rem; }
.resume-stories-header h2 { margin: 0; font-size: 1.8rem; letter-spacing: -0.015em; }
.resume-story {
  display: grid; grid-template-columns: 2.5rem minmax(0, 1fr); gap: 0 1.25rem;
  color: var(--ink); text-decoration: none; border-top: 1px solid var(--hairline);
  padding: 1.55rem 0 1.45rem; margin: 0;
}
.resume-story-number {
  grid-row: 1 / 3; font-family: var(--sans); font-size: 0.68rem;
  letter-spacing: 0.12em; color: var(--accent); padding-top: 0.35rem;
}
.resume-story-copy { display: block; }
.resume-story-copy strong {
  display: block; font-family: var(--serif); font-size: clamp(1.45rem, 3.4vw, 2rem);
  line-height: 1.12; letter-spacing: -0.025em;
}
.resume-story-copy > span {
  display: block; max-width: 34rem; margin-top: 0.55rem;
  color: var(--ink-soft); font-size: 0.96rem; line-height: 1.5;
}
.resume-story-link {
  grid-column: 2; justify-self: start; margin-top: 0.95rem;
  font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--accent); transition: transform 140ms ease;
}
.resume-story:hover .resume-story-link { transform: translateX(0.3rem); }
.resume-story:hover .resume-story-copy strong { color: var(--accent); }
.resume-story-featured {
  position: relative; isolation: isolate; margin: 0; padding: 1.7rem 0 1.6rem;
  border-top: 0; color: var(--paper);
}
.resume-story-featured::before {
  content: ""; position: absolute; inset: 0 -1.5rem; z-index: -1;
  background: var(--ink);
}
.resume-story-featured .resume-story-number { color: #e7a098; }
.resume-story-featured .resume-story-copy > span { color: #ddd6c8; }
.resume-story-featured .resume-story-link { color: #e7a098; }
.resume-story-featured:hover .resume-story-copy strong { color: #e7a098; }
.resume-next {
  background: var(--exhibit-bg); border-top: 3px solid var(--accent);
  margin: 3rem 0 0; padding: 1.5rem 1.5rem 1.25rem;
}
.resume-next h2 { margin: 0 0 0.65rem; }
.resume-next p:last-child { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin-bottom: 0; }

/* At-a-glance (fast scan) */
.glance {
  background: var(--exhibit-bg);
  border-top: 3px solid var(--accent);
  padding: 1.5rem 1.5rem 1rem;
  margin: 2rem 0 2.5rem;
}
.glance h2 { margin: 0 0 1rem; font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.glance dl { margin: 0; }
.glance dt { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); margin-top: 0.9rem; }
.glance dd { margin: 0.15rem 0 0; }

/* Exhibits */
figure.exhibit { margin: 2.25rem 0; }
figure.exhibit figcaption {
  font-family: var(--sans); font-size: 0.8rem; color: var(--ink-soft);
  margin-top: 0.6rem; line-height: 1.5;
}
figure.exhibit figcaption strong { color: var(--ink); }
.exhibit svg { width: 100%; height: auto; display: block; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin: 0; }
caption { text-align: left; font-family: var(--sans); font-size: 0.8rem; color: var(--ink-soft); margin-bottom: 0.5rem; }
th {
  font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  text-align: left; color: var(--ink-soft); font-weight: 600;
  border-bottom: 2px solid var(--ink); padding: 0.5rem 0.75rem 0.5rem 0;
}
td { border-bottom: 1px solid var(--hairline); padding: 0.6rem 0.75rem 0.6rem 0; vertical-align: top; }
tr:last-child td { border-bottom: 1px solid var(--ink); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Blockquote excerpt */
blockquote.excerpt {
  margin: 2rem 0; padding: 1.25rem 1.5rem;
  background: var(--exhibit-bg); border-left: 3px solid var(--accent);
  font-size: 0.98rem;
}
blockquote.excerpt p { margin-bottom: 0.75rem; }
blockquote.excerpt p:last-child { margin-bottom: 0; }

/* Steps */
ol.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.5rem 0; }
ol.steps li { counter-increment: step; position: relative; padding: 0.75rem 0 0.75rem 3rem; border-top: 1px solid var(--hairline); }
ol.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute; left: 0; top: 0.85rem;
  font-family: var(--sans); font-size: 0.8rem; color: var(--accent); font-weight: 600;
  letter-spacing: 0.05em;
}

/* Attribution note */
.attribution {
  border: 1px solid var(--hairline); padding: 1.1rem 1.35rem; margin: 2.5rem 0;
  font-size: 0.95rem; color: var(--ink-soft);
}
.attribution .label {
  font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink); display: block; margin-bottom: 0.4rem;
}

/* Footer */
.site-footer { border-top: 1px solid var(--hairline); margin-top: 4rem; padding: 2rem 0 3rem; }
.site-footer .wrap-wide { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: baseline; }
.site-footer p { margin: 0; font-size: 0.9rem; color: var(--ink-soft); }

/* Case-study pager */
.pager { display: flex; justify-content: space-between; gap: 2rem; margin-top: 3.5rem; border-top: 1px solid var(--hairline); padding-top: 1.5rem; font-size: 0.95rem; }

/* Motion: restrained by default, none when reduced */
a, .site-nav a { transition: color 120ms ease; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* Responsive */
@media (max-width: 640px) {
  body { font-size: 1rem; }
  h1 { font-size: 1.65rem; }
  .lede { font-size: 1.08rem; }
  .site-nav a { margin-left: 0.9rem; font-size: 0.72rem; }
  .glance { padding: 1.1rem 1.1rem 0.75rem; margin-left: -1.25rem; margin-right: -1.25rem; }
  table { font-size: 0.85rem; }
  .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .resume-story { grid-template-columns: 2rem minmax(0, 1fr); gap: 0 0.75rem; }
  .resume-story-featured { margin: 0; padding: 1.45rem 0; }
  .resume-story-featured::before { inset: 0 -1.25rem; }
  .resume-story-copy strong { font-size: 1.45rem; }
}
@media print {
  .site-header, .site-footer, .pager { display: none; }
}

/* Lite YouTube embed: static thumbnail, player loads only on click.
   Without JS it is a plain link to the video on YouTube. */
.video-lite { position: relative; display: block; aspect-ratio: 16/9; background: #1b1813; overflow: hidden; }
.video-lite img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0.92; }
.video-lite .play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 68px; height: 48px; background: var(--accent); border-radius: 6px;
}
.video-lite .play::after {
  content: ""; position: absolute; top: 50%; left: 55%; transform: translate(-50%,-50%);
  border-style: solid; border-width: 10px 0 10px 17px; border-color: transparent transparent transparent #fbf9f4;
}
.video-lite:hover .play, .video-lite:focus-visible .play { background: #5e241d; }
.video-lite .video-label {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 0.6rem 0.9rem;
  background: rgba(27,24,19,0.82); color: #fbf9f4;
  font-family: var(--sans); font-size: 0.85rem; line-height: 1.4;
}
.video-lite iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* ---- Homepage redesign (Run 8): flagship module, visual feature rows, principles grid ---- */

.hero {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(22rem, 6fr);
  gap: 1rem 3.5rem; align-items: center; margin: 0 0 4rem;
}
.hero-copy { padding: 1rem 0; }
.hero-h1 { font-size: clamp(2.6rem, 5vw, 4.85rem); line-height: 0.98; max-width: 10em; letter-spacing: -0.035em; }
.hero .lede { font-size: 1.05rem; color: var(--ink-soft); max-width: 34rem; }
.hero-links { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; margin-top: 1.6rem; }
.hero-links a { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 650; }
.hero-visual { min-width: 0; }
.hero-case { margin: 0; border: 1px solid var(--hairline); background: var(--exhibit-bg); }
.hero-case img {
  width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain;
  display: block; background: var(--ink);
}
.hero-case figcaption {
  margin: 0; padding: 0.7rem 0.85rem 0.75rem;
  font-family: var(--sans); font-size: 0.68rem; line-height: 1.45; color: var(--ink-soft);
}
.hero-case figcaption span {
  display: block; color: var(--accent); font-size: 0.58rem;
  letter-spacing: 0.14em; text-transform: uppercase; font-weight: 700;
}
.hero-proof {
  background: var(--accent); color: var(--paper); padding: 1rem 1.15rem;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.4rem 1.1rem;
}
.hero-proof strong { font-family: var(--serif); font-size: clamp(2.1rem, 3.4vw, 3rem); line-height: 0.95; letter-spacing: -0.04em; }
.hero-proof span { font-family: var(--sans); font-size: 0.8rem; line-height: 1.4; max-width: 24em; }
.hero-credit { grid-column: 2; font-family: var(--sans); font-size: 0.68rem; line-height: 1.45; color: var(--ink-soft); margin: 0; max-width: 48rem; }

/* Flagship module: full-width visual argument */
.flagship {
  border-top: 3px solid var(--accent);
  background: var(--exhibit-bg);
  margin: 3rem 0;
  padding: 2rem 2rem 1.75rem;
}
.flagship .kicker { margin-bottom: 0.5rem; }
.flagship h2 { margin: 0 0 0.75rem; font-size: 1.75rem; line-height: 1.2; }
.flagship p { max-width: 38rem; }
.flagship .flagship-visual { margin: 1.5rem 0 1rem; }
.flagship .cta { font-family: var(--sans); font-size: 0.85rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }

/* Feature rows: alternating vignette + text */
.feature-row {
  display: grid; grid-template-columns: minmax(0,5fr) minmax(0,7fr);
  gap: 2rem; align-items: center;
  border-top: 1px solid var(--hairline);
  padding: 2.25rem 0;
}
.feature-row:nth-of-type(even) .feature-visual { order: 2; }
.feature-row .meta { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 0.4rem; }
.feature-row h3 { margin: 0 0 0.5rem; font-size: 1.45rem; line-height: 1.25; }
.feature-row p { margin: 0 0 0.5rem; color: var(--ink-soft); }
.feature-visual svg { width: 100%; height: auto; display: block; }
.feature-photo {
  margin: 0; width: min(100%, 25rem); justify-self: center;
  padding: 0.65rem; background: var(--exhibit-bg); border: 1px solid var(--hairline);
}
.feature-photo img { width: 100%; height: auto; object-fit: contain; display: block; }
.feature-photo .asset-label {
  position: static; display: block; margin: 0; padding: 0.55rem 0.1rem 0.05rem;
  color: var(--ink-soft); font-family: var(--sans); font-size: 0.58rem;
  line-height: 1.4; letter-spacing: 0.1em; text-transform: uppercase;
}
.feature-metric {
  min-height: 15rem; padding: 1.5rem; background: var(--accent); color: var(--paper);
  display: flex; flex-direction: column; justify-content: flex-end;
}
.feature-metric p { margin: 0; color: var(--paper); }
.feature-metric .feature-metric-kicker {
  margin-bottom: auto; font-family: var(--sans); font-size: 0.62rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: #f2c1b9;
}
.feature-metric strong {
  display: block; font-family: var(--serif); font-size: clamp(3.6rem, 8vw, 6rem);
  line-height: 0.88; letter-spacing: -0.055em;
}
.feature-metric > p:not(.feature-metric-kicker) { font-family: var(--serif); font-size: 1.25rem; }
.feature-metric span {
  margin-top: 1rem; padding-top: 0.75rem; border-top: 1px solid rgba(251,249,244,0.45);
  font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.06em;
}

.writing-sample {
  margin: 3.5rem 0; padding: 2rem; background: var(--exhibit-bg); border-top: 3px solid var(--accent);
}
.writing-sample .kicker { margin-bottom: 0.75rem; }
.writing-sample-quote {
  margin: 0 0 1.5rem; padding: 0; border: 0; max-width: 15em;
  font-family: var(--serif); font-size: clamp(2rem, 5vw, 3.35rem); line-height: 1.02;
  letter-spacing: -0.035em; color: var(--accent);
}
.writing-sample h2 { margin-top: 0; }
.writing-sample-links { display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; margin-bottom: 0; }
.writing-sample-links a {
  font-family: var(--sans); font-size: 0.7rem; font-weight: 650;
  letter-spacing: 0.1em; text-transform: uppercase;
}

.technical-fluency {
  border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  margin: 2.75rem 0; padding: 1.75rem 0;
}
.technical-fluency h2 { margin-top: 0; }
.technical-fluency p:last-child { margin-bottom: 0; }
.technical-link {
  border-top: 1px solid var(--hairline); margin-top: 2rem; padding-top: 1.25rem;
  color: var(--ink-soft); max-width: 48rem;
}

.published-single { max-width: 28rem; margin-left: auto !important; margin-right: auto !important; }
.published-single a, .published-card a { display: block; }
.published-single img, .published-card img { width: 100%; height: auto; display: block; }
.published-grid, .published-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem; margin: 1.5rem 0 2.5rem; }
.published-card { margin: 0; min-width: 0; background: var(--ink); }
.published-card a { overflow: hidden; }
.published-card img { aspect-ratio: 4 / 5; object-fit: cover; transition: transform 280ms ease; }
.published-card:hover img { transform: scale(1.018); }
.published-card figcaption {
  padding: 0.65rem 0.7rem 0.75rem; color: var(--paper); font-family: var(--sans);
  font-size: 0.68rem; line-height: 1.4;
}
.published-card figcaption strong { color: #e7a098; display: block; font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* Principles grid */
.principles {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2rem 3rem;
  margin: 1.5rem 0 0;
}
.principles .principle h3 { margin: 0 0 0.35rem; font-size: 1.2rem; }
.principles .principle p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }
.principles .num { font-family: var(--sans); font-size: 0.75rem; color: var(--accent); font-weight: 700; letter-spacing: 0.1em; display: block; margin-bottom: 0.4rem; }

/* Closing block */
.closing { border-top: 1px solid var(--hairline); margin-top: 3rem; padding-top: 2rem; }

@media (max-width: 700px) {
  .flagship { padding: 1.4rem 1.25rem; margin-left: -1.25rem; margin-right: -1.25rem; }
  .feature-row { grid-template-columns: 1fr; gap: 1rem; }
  .feature-row:nth-of-type(even) .feature-visual { order: 0; }
  .principles { grid-template-columns: 1fr; gap: 1.5rem; }
  .published-grid, .published-trio { grid-template-columns: 1fr; gap: 1rem; }
  .published-card { max-width: 24rem; margin-left: auto; margin-right: auto; }
  .feature-metric { min-height: 13rem; }
  .writing-sample { margin-left: -1.25rem; margin-right: -1.25rem; padding: 1.5rem 1.25rem; }
}

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 3rem; }
  .hero-h1 { font-size: clamp(2.65rem, 11vw, 4.5rem); }
  .hero-visual { margin-left: -1.25rem; margin-right: -1.25rem; }
  .hero-case { border-left: 0; border-right: 0; }
  .hero-credit { grid-column: 1; }
}

@media (max-width: 430px) {
  .hero-proof { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}