/* ============================================================
   Mera Rounds — merarounds.com
   Single-page brochure site for a live clinical education
   series. Reference class: small independent medical seminar
   series / clinical society page. Calm, typographic, restrained.
   No urgency mechanics, no marketing vocabulary, no imagery.
   ============================================================ */

:root {
  --paper: #fbfaf7;          /* warm paper white */
  --paper-deep: #f3f1ea;     /* section tint */
  --ink: #232a33;            /* near-black, navy-leaning */
  --ink-soft: #4d5763;       /* secondary text */
  --ink-faint: #6d7787;      /* meta text */
  --rule: #ddd8cc;           /* warm hairline */
  --accent: #76323f;         /* oxblood — links, rules */
  --accent-deep: #5b262f;
  --serif: "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap { max-width: 680px; margin: 0 auto; padding: 0 clamp(1.4rem, 5vw, 2.5rem); }

h1, h2 { font-family: var(--serif); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h2 { font-size: 1.3rem; }

p { max-width: 62ch; }

a { color: var(--accent); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { color: var(--accent-deep); text-decoration-color: var(--accent); }

.smallcaps {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  font-family: var(--sans); font-size: 0.85rem;
  padding: 0.7rem 1.2rem; z-index: 10; text-decoration: none;
}
.skip:focus { left: 0; }

/* ---------- masthead ---------- */

.masthead {
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  padding: 2rem 0 1.6rem;
  text-align: center;
}
.brand {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand:hover { color: var(--ink); text-decoration: none; }
.brand__sub {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

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

.section { padding: clamp(2.6rem, 6vw, 4.2rem) 0; }
.section + .section { border-top: 1px solid var(--rule); }
.section--tint { background: var(--paper-deep); }

.hero { text-align: left; padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.4rem, 5vw, 3.6rem); }
.hero h1 { max-width: 22ch; margin-bottom: 1.3rem; }
.hero .lede { font-size: 1.2rem; line-height: 1.6; color: var(--ink-soft); }

.prose > * + * { margin-top: 1.1rem; }

.eyebrow { display: block; margin-bottom: 0.9rem; }

/* format list: quiet ruled rows */
.format { list-style: none; margin-top: 1.4rem; }
.format li {
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 10.5rem 1fr;
  gap: 1.2rem;
}
.format li:last-child { border-bottom: 1px solid var(--rule); }
.format .label { font-family: var(--sans); font-size: 0.74rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); padding-top: 0.25rem; }
.format p { color: var(--ink-soft); font-size: 1rem; }
@media (max-width: 600px) { .format li { grid-template-columns: 1fr; gap: 0.3rem; } }

/* sponsor / contact panel */
.partner {
  border-left: 3px solid var(--accent);
  background: var(--paper-deep);
  padding: 1.4rem 1.6rem;
  max-width: 56ch;
}
.partner p { font-size: 1rem; color: var(--ink-soft); }
.partner .email { font-family: var(--serif); font-size: 1.05rem; }

.organizer { font-size: 1rem; color: var(--ink-soft); }

/* ---------- footer ---------- */

.footer {
  border-top: 4px solid var(--ink);
  padding: 2.2rem 0 2.6rem;
  text-align: center;
}
.footer p { margin: 0 auto; font-family: var(--sans); font-size: 0.8rem; color: var(--ink-faint); }
.footer a { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); text-decoration: none; display: inline-block; padding: 0.5rem 0.4rem; }
.footer a:hover { color: var(--accent); }

/* privacy article */
.article { padding: clamp(2.4rem, 6vw, 4rem) 0; }
.article > * + * { margin-top: 1.05rem; }
.article h1 { margin-bottom: 0.4rem; }
.article h2 { margin-top: 2.2rem; }
.article ul { padding-left: 1.4rem; max-width: 62ch; }
.article li + li { margin-top: 0.45rem; }