/* -----------------------------------------------------------
   Tim Robinson, credibility page
   Aesthetic: editorial field-memo. Warm paper, charcoal ink,
   rust accent. Serif display (Fraunces), sans body (Plex Sans),
   mono labels (Plex Mono). Restrained, human, practical.
------------------------------------------------------------ */

:root {
  --paper:        #f2ece1;   /* warm off-white, like unbleached card stock */
  --paper-deep:   #ebe3d4;
  --ink:          #1b1a17;   /* near-black, slightly warm */
  --ink-soft:     #3d3a34;
  --ink-muted:    #7a7468;
  --rule:         #c9bfac;
  --accent:       #b8411f;   /* muted safety-orange / iron oxide */
  --accent-soft:  #e1a48c;

  --serif:   "Newsreader", "Iowan Old Style", "Palatino", Georgia, serif;
  --sans:    "IBM Plex Sans", -apple-system, system-ui, sans-serif;
  --mono:    "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --max:     62rem;
  --gutter:  clamp(1.25rem, 4vw, 3rem);

  --grain-strong: rgba(27, 26, 23, 0.035);
  --grain-soft:   rgba(27, 26, 23, 0.025);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:        #161512;   /* warm near-black, paper inverted */
    --paper-deep:   #1f1d18;
    --ink:          #ece4d2;   /* warm off-white */
    --ink-soft:     #c8c0ad;
    --ink-muted:    #898170;
    --rule:         #3a362e;
    --accent:       #e07a4f;   /* brighter rust, reads cleanly on dark */
    --accent-soft:  #b8411f;

    --grain-strong: rgba(236, 228, 210, 0.025);
    --grain-soft:   rgba(236, 228, 210, 0.018);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle paper grain via layered radial noise (pure CSS, no asset) */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(var(--grain-strong) 1px, transparent 1px),
    radial-gradient(var(--grain-soft) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 1px;
  opacity: 0.7;
}

a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--rule); transition: color .15s, border-color .15s; }
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.page {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(1.5rem, 4vw, 3rem) var(--gutter) 4rem;
}

/* ---------- Masthead ---------- */

.masthead {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(3rem, 8vw, 6rem);
}

.masthead__meta { display: flex; gap: .6rem; flex-wrap: wrap; }

.tag {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  padding: .28rem .55rem;
  border: 1px solid var(--ink);
  border-radius: 2px;
}
.tag--muted { color: var(--ink-muted); border-color: var(--rule); }

.masthead__mark {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- Hero ---------- */

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1.5rem;
}
.eyebrow__num { color: var(--accent); font-weight: 500; }

.headline {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.3rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 2rem;
  max-width: 22ch;
  font-variation-settings: "opsz" 72;
}
.headline em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}

.lede {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.15rem, 1.8vw, 1.35rem);
  line-height: 1.5;
  color: var(--ink-soft);
  max-width: 48ch;
  margin: 0 0 1rem;
}

/* ---------- Rules ---------- */

.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: clamp(2.5rem, 6vw, 4.5rem) 0;
}
.rule--bold { border-top-color: var(--ink); }

/* ---------- Section scaffolding ---------- */

.section { display: grid; grid-template-columns: 10rem 1fr; gap: 2.5rem; align-items: start; }

.section__label {
  position: sticky;
  top: 2rem;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.section__num { color: var(--accent); font-weight: 500; }
.section__kicker { color: var(--ink); }

/* ---------- List (What I actually do) ---------- */

.list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: 1.45;
}
.list li {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--rule);
  color: var(--ink-soft);
}
.list li:first-child { padding-top: 0; }
.list li:last-child { border-bottom: none; }
.list__key {
  flex: 0 0 6.5rem;
  font-family: var(--sans);
  font-size: .85rem;
  font-weight: 500;
  letter-spacing: .02em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ---------- Example ---------- */

.example { margin: 0; }
.example__quote {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.3rem, 2.2vw, 1.75rem);
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent);
  max-width: 50ch;
}
.example__caption {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- Who this is for ---------- */

.who {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.75rem;
}
.who__item { padding-top: 1rem; border-top: 1px solid var(--ink); }
.who__title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: .5rem;
}
.who__body { color: var(--ink-soft); font-size: .95rem; line-height: 1.55; }

/* ---------- Steps (How I work) ---------- */

.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.75rem; }
.step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.5rem;
  align-items: baseline;
  padding: 1rem 0;
  border-bottom: 1px dashed var(--rule);
}
.step:last-child { border-bottom: none; }
.step__num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.25rem;
  color: var(--accent);
  line-height: 1;
}
.step__title {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: .35rem;
}
.step__body p { margin: 0; color: var(--ink-soft); }

/* ---------- CTA ---------- */

.cta {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: end;
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
}
.cta__text {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.4;
  margin: 0;
  max-width: 45ch;
  color: var(--ink);
}
.cta__link {
  font-family: var(--mono);
  font-size: .95rem;
  letter-spacing: .04em;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: .2rem;
  white-space: nowrap;
}
.cta__link:hover { color: var(--ink); border-bottom-color: var(--ink); }

/* ---------- Footer ---------- */

.foot {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  font-size: .85rem;
}
.foot__name {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
}
.foot__role,
.foot__note { color: var(--ink-muted); font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; margin-top: .3rem; }
.foot__right { text-align: right; }
.foot__right a { font-family: var(--mono); font-size: .9rem; letter-spacing: .04em; }

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .section { grid-template-columns: 1fr; gap: 1.25rem; }
  .section__label { position: static; flex-direction: row; gap: .75rem; }
  .cta { grid-template-columns: 1fr; align-items: start; }
  .foot { flex-direction: column; }
  .foot__right { text-align: left; }
  .list li { flex-direction: column; gap: .25rem; }
  .list__key { flex: none; }
  .headline { font-size: clamp(2rem, 9vw, 3rem); }
  .masthead { flex-direction: column; align-items: flex-start; gap: .75rem; }
}

@media print {
  body::before { display: none; }
  a { border-bottom: none; }
}