/* Base portfolio: paper, ink, and a readable page with or without the receipts layer. */

:root {
  --paper: #f4eee2;
  --paper-2: #ebe3d3;
  --card: #fbf8f1;
  --ink: #1f1c17;
  --ink-2: #4f493e;
  --rule: #d6ccb9;
  --accent: #b3361f;
  --ok: #1d6b40;
  --highlighter: #ffe27a;
  --focus: #1a5fd0;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #16140f;
    --paper-2: #221f19;
    --card: #1c1914;
    --ink: #f2ecdf;
    --ink-2: #c2b9a7;
    --rule: #3b352b;
    --accent: #ff8a6b;
    --ok: #6fcf97;
    --highlighter: #6b5a12;
    --focus: #8ab4ff;
  }
}

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

/* Lesson from CelebrAI: a component's display rule must never beat [hidden]. */
[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5rem;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
  /* room for the receipts tab so it never covers the last line */
  padding-bottom: 5rem;
  overflow-wrap: break-word;
}

img { display: block; max-width: 100%; height: auto; }
main:focus { outline: none; }

a {
  color: inherit;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1.5px;
  text-underline-offset: .18em;
}
a:hover { color: var(--accent); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 3px;
}

h1, h2, h3, h4 { text-wrap: balance; }
p { text-wrap: pretty; }

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

.vh {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

html:not(.js) .js-only { display: none !important; }

.skip {
  position: absolute;
  left: .5rem; top: -4rem;
  z-index: 100;
  padding: .6rem .9rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: 8px;
}
.skip:focus { top: .5rem; }

.label {
  font: 700 .72rem/1.2 var(--mono);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink);
  margin-right: .5rem;
}

/* ---------- header ---------- */

.top {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.75rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: .55rem;
  text-decoration: none;
}
.brand__name { font: 700 1.55rem/1 var(--serif); letter-spacing: -.01em; }
.brand__tag { font: .78rem/1 var(--mono); color: var(--ink-2); }

.nav {
  display: flex;
  gap: clamp(.9rem, 2.5vw, 1.75rem);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .95rem;
}
.nav a {
  display: inline-block;
  padding: .55rem 0;
  text-decoration: none;
}
.nav a[aria-current="true"] {
  text-decoration: underline 2px var(--accent);
  text-underline-offset: .45em;
}

@media (max-width: 34em) {
  html { scroll-padding-top: 6.5rem; }
  .top__inner { flex-wrap: wrap; gap: 0 1rem; padding-block: .45rem .1rem; }
  .top nav { width: 100%; }
  .nav { justify-content: space-between; gap: .5rem; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  min-height: 44px;
  padding: .6rem 1.15rem;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  font: 600 .95rem/1.1 var(--sans);
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--paper-2); color: var(--ink); }
.btn--ink { background: var(--ink); color: var(--paper); }
.btn--ink:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn--small { min-height: 40px; padding: .45rem .95rem; font-size: .88rem; }
.btn--accent { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn--accent:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn[aria-pressed="true"] { background: var(--highlighter); color: var(--ink); }

/* ---------- hero ---------- */

.hero { padding-block: clamp(2.25rem, 7vw, 5.5rem) clamp(2.5rem, 6vw, 4.5rem); }

.hero__grid {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 60em) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: center;
    gap: 3.5rem;
  }
}

.eyebrow {
  margin: 0 0 1rem;
  font: .78rem/1.6 var(--mono);
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--ink-2);
}

h1 {
  margin: 0 0 1.25rem;
  font: 700 clamp(2.35rem, 7.2vw, 4.6rem)/1.03 var(--serif);
  letter-spacing: -.02em;
}
.h1-accent { color: var(--accent); }

.lede {
  max-width: 38rem;
  margin: 0;
  font-size: clamp(1.08rem, 2.2vw, 1.22rem);
  color: var(--ink-2);
}

.hint {
  max-width: 38rem;
  margin: 1.75rem 0;
  padding: 1rem 1.15rem 1.1rem;
  border: 2px dashed var(--rule);
  border-radius: var(--radius);
  background: var(--card);
}
.hint__label {
  margin: 0 0 .4rem;
  font: 700 .74rem/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}
.hint__body { margin: 0; }
.hint__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .85rem 0 0;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin: 0;
}

/* ---------- sections ---------- */

.section {
  padding-block: clamp(3rem, 8vw, 6rem);
  border-top: 1px solid var(--rule);
}

.section__head {
  display: grid;
  gap: .3rem;
  max-width: 44rem;
  margin-bottom: 2.25rem;
}
.section__num {
  margin: 0;
  font: 700 .8rem/1 var(--mono);
  letter-spacing: .12em;
  color: var(--accent);
}
h2 {
  margin: 0;
  font: 700 clamp(1.9rem, 4.6vw, 2.8rem)/1.1 var(--serif);
  letter-spacing: -.01em;
}
.section__intro { margin: .45rem 0 0; color: var(--ink-2); }

.sub-head {
  margin: 0 0 1.1rem;
  font: 700 .82rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.sub-head--gap { margin-top: 3.25rem; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.tags li {
  padding: .32rem .55rem;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font: .76rem/1.1 var(--mono);
  color: var(--ink-2);
}

/* ---------- about ---------- */

.about__grid { display: grid; gap: 2.25rem; }
@media (min-width: 52em) {
  .about__grid {
    grid-template-columns: minmax(0, 17rem) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }
}

.portrait {
  max-width: 17rem;
  margin: 0;
  padding: .75rem .75rem 0;
  background: var(--card);
  border: 1px solid var(--rule);
  box-shadow: 0 14px 28px -18px rgb(0 0 0 / .45);
  transform: rotate(-1.5deg);
}
.portrait img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.portrait figcaption {
  padding: .7rem 0 .8rem;
  font: .76rem/1.2 var(--mono);
  color: var(--ink-2);
  text-align: center;
}

.about__text { max-width: 40rem; }
.about__text > p { margin: 0 0 1rem; }
.about__lead {
  font: 600 clamp(1.25rem, 2.6vw, 1.5rem)/1.35 var(--serif);
}

.mini-head {
  margin: 2rem 0 .75rem;
  font: 700 .82rem/1 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.principles {
  display: grid;
  gap: .75rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: principle;
}
.principles li {
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  counter-increment: principle;
}
.principles li::before {
  content: "0" counter(principle);
  font: 700 .85rem/1.95 var(--mono);
  color: var(--accent);
}

/* ---------- superpowers ---------- */

.powers { display: grid; gap: 1.25rem; }
@media (min-width: 46em) {
  .powers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.power {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1.4rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}
.power > p { margin: 0; }
.power h3 { margin: 0; font: 700 1.32rem/1.2 var(--serif); }
.power__num { font: 700 .8rem/1 var(--mono); color: var(--accent); }
.power .tags { margin-top: auto; padding-top: .2rem; }

.proof {
  padding: .6rem .75rem;
  border-radius: 8px;
  background: var(--paper-2);
  font-size: .98rem;
}
.proof__tag {
  margin-right: .5rem;
  font: 700 .7rem/1 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}

.also {
  display: grid;
  gap: .55rem;
  margin-top: 1.75rem;
  color: var(--ink-2);
}
.also p { margin: 0; }

/* ---------- projects ---------- */

.cards { display: grid; gap: 1.25rem; }
@media (min-width: 46em) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 72em) { .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.card {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: 1.3rem;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
}
.card > p { margin: 0; }
.card h4 { margin: 0; font: 700 1.3rem/1.2 var(--serif); }
.card__meta {
  font: .72rem/1.45 var(--mono);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  margin-top: auto !important;
  padding-top: .2rem;
  font-weight: 600;
}

.more, .ledger {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}
.more li, .ledger li {
  display: grid;
  gap: .3rem 1.75rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}
.more p, .ledger p { margin: 0; }
@media (min-width: 52em) {
  .more li { grid-template-columns: 13rem minmax(0, 1fr) 8rem; align-items: baseline; }
  .ledger li { grid-template-columns: 13rem minmax(0, 1fr); align-items: baseline; }
}

.more__name { font: 700 1.08rem/1.35 var(--serif); }
.more__stack {
  display: block;
  margin-top: .3rem;
  font: .74rem/1.4 var(--mono);
  color: var(--ink-2);
}
.more__link { font-weight: 600; }
@media (min-width: 52em) { .more__link { justify-self: end; } }
.more__link--none { font-weight: 400; color: var(--ink-2); font-size: .92rem; }

.ledger__k {
  font: 700 .74rem/1.6 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ---------- contact & footer ---------- */

.contact__email {
  font: 700 clamp(1.3rem, 4.2vw, 2rem)/1.25 var(--serif);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  margin: 1.25rem 0;
  padding: 0;
  list-style: none;
  font-weight: 600;
}
.links a { display: inline-block; padding: .35rem 0; }

.repo-line { color: var(--ink-2); }

.foot {
  padding-block: 2rem 1rem;
  border-top: 1px solid var(--rule);
  color: var(--ink-2);
  font-size: .92rem;
}
.foot__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 2rem;
}
.foot p { margin: 0; }