/* ============================================================
   flaviomalagutti.com — site styles
   Single stylesheet, no build step.
   ============================================================ */

/* ---- Tokens ------------------------------------------------ */
:root {
  --paper:      #FBF9F6;
  --surface:    #FFFFFF;
  --ink:        #1A1714;
  --ink-2:      #4A443E;
  --ink-3:      #7C756C;
  --rule:       #E6E0D8;
  --rule-soft:  #F0EBE4;
  --accent:     #B4552D;
  --accent-ink: #8E4222;
  --accent-bg:  #F5EAE3;

  --serif: "Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --measure: 58rem;   /* reading column */
  --wide:    66rem;   /* page frame     */
  --pad:     clamp(1.25rem, 5vw, 2.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #141210;
    --surface:    #1C1917;
    --ink:        #EDE8E2;
    --ink-2:      #BDB5AB;
    --ink-3:      #8C8479;
    --rule:       #302B26;
    --rule-soft:  #241F1B;
    --accent:     #E08A5E;
    --accent-ink: #EFA57C;
    --accent-bg:  #271D17;
  }
}

/* ---- Reset ------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.0625rem, 0.35vw + 1rem, 1.1875rem);
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* ---- Layout ------------------------------------------------ */
.wrap  { max-width: var(--wide);    margin-inline: auto; padding-inline: var(--pad); }
.col   { max-width: var(--measure); }
main   { padding-bottom: 5rem; }

/* ---- Skip link --------------------------------------------- */
.skip {
  position: absolute; left: -9999px;
  background: var(--accent); color: #fff;
  padding: .6rem 1rem; border-radius: 0 0 .4rem 0; z-index: 100;
  font-family: var(--sans); font-size: .9rem;
}
.skip:focus { left: 0; top: 0; }

/* ---- Header / nav ------------------------------------------ */
.site-head {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-head__inner {
  max-width: var(--wide); margin-inline: auto; padding: .85rem var(--pad);
  display: flex; align-items: baseline; gap: 1.5rem;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif); font-weight: 600; font-size: 1.0625rem;
  letter-spacing: .005em; text-decoration: none; color: var(--ink);
  margin-right: auto; white-space: nowrap;
}
.brand:hover { color: var(--accent); }

.nav { display: flex; gap: clamp(.9rem, 2.5vw, 1.75rem); flex-wrap: wrap; }
.nav a {
  font-family: var(--sans); font-size: .875rem; font-weight: 450;
  letter-spacing: .01em; color: var(--ink-2); text-decoration: none;
  padding-bottom: 2px; border-bottom: 1.5px solid transparent;
}
.nav a:hover { color: var(--ink); border-bottom-color: var(--rule); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---- Hero -------------------------------------------------- */
.hero { position: relative; background: var(--rule-soft); }
.hero__media {
  position: relative;
  width: 100%;
  aspect-ratio: 2 / 1;    /* matches the crop of hero.jpg */
  min-height: 260px;
  max-height: 62vh;
  overflow: hidden;
  /* Fallback wash while the photo loads (or if it is missing) */
  background:
    linear-gradient(160deg, #C9805A 0%, #A65B37 45%, #6E4B33 100%);
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 42% center; }
@media (max-width: 640px) { .hero__media { aspect-ratio: 5 / 3; } }

/* ---- Intro block ------------------------------------------- */
.intro { padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem); }
.intro__grid {
  display: grid; gap: clamp(1.75rem, 4vw, 3.25rem);
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  align-items: start;
}
@media (max-width: 780px) {
  .intro__grid { grid-template-columns: 1fr; }
  .portrait { max-width: 13rem; }
}
.portrait {
  border-radius: 3px;
  background: var(--rule-soft);
  /* height:auto is required so aspect-ratio wins over the HTML height attribute */
  aspect-ratio: 4 / 5; object-fit: cover; width: 100%; height: auto;
  box-shadow: 0 1px 2px rgba(0,0,0,.06), 0 12px 28px -12px rgba(0,0,0,.28);
}

.eyebrow {
  font-family: var(--sans); font-size: .75rem; font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink);
  margin: 0 0 .85rem;
}
h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 2.9rem); line-height: 1.12;
  letter-spacing: -.015em; margin: 0 0 1.1rem;
}
.intro p { max-width: var(--measure); }
.intro p + p { margin-top: 1rem; }

/* ---- Link row ---------------------------------------------- */
.linkrow { display: flex; flex-wrap: wrap; gap: .55rem; margin: 1.75rem 0 0; padding: 0; list-style: none; }
.linkrow a {
  display: inline-block;
  font-family: var(--sans); font-size: .8125rem; font-weight: 500; letter-spacing: .01em;
  text-decoration: none; color: var(--ink);
  border: 1px solid var(--rule); border-radius: 999px;
  padding: .42rem .95rem; background: var(--surface);
  transition: border-color .15s, color .15s, background .15s;
}
.linkrow a:hover { border-color: var(--accent); color: var(--accent-ink); background: var(--accent-bg); }

.contact {
  font-family: var(--sans); font-size: .875rem; color: var(--ink-3);
  margin: 1.4rem 0 0;
}
.contact a { color: var(--ink-2); text-decoration-color: var(--rule); text-underline-offset: 3px; }
.contact a:hover { color: var(--accent-ink); }

/* ---- Section headings -------------------------------------- */
.section { padding-top: clamp(2.25rem, 5vw, 3.5rem); }
.section + .section { padding-top: clamp(2.75rem, 6vw, 4.25rem); }
h2 {
  font-family: var(--sans); font-size: .78rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3);
  margin: 0 0 1.6rem; padding-bottom: .7rem;
  border-bottom: 1px solid var(--rule);
}
.page-title {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(1.9rem, 4vw, 2.5rem); line-height: 1.15; letter-spacing: -.015em;
  margin: clamp(2.5rem, 6vw, 4rem) 0 .5rem;
}
.page-intro { color: var(--ink-2); max-width: var(--measure); margin: 0 0 .5rem; }

/* ---- Entry (paper / talk / course) -------------------------- */
.entries { display: grid; gap: clamp(2rem, 4vw, 2.75rem); }
.entry { max-width: var(--measure); }
.entry__title {
  font-family: var(--serif); font-weight: 600;
  font-size: 1.28rem; line-height: 1.3; letter-spacing: -.008em;
  margin: 0 0 .4rem; text-wrap: balance;
}
.entry__title a { text-decoration: none; background-image: linear-gradient(var(--rule), var(--rule)); background-size: 100% 1px; background-repeat: no-repeat; background-position: 0 100%; }
.entry__title a:hover { color: var(--accent-ink); background-image: linear-gradient(var(--accent), var(--accent)); }
.entry__authors {
  font-family: var(--sans); font-size: .875rem; line-height: 1.5;
  color: var(--ink-2); margin: 0 0 .35rem;
}
.entry__meta {
  font-family: var(--sans); font-size: .8125rem; color: var(--ink-3);
  margin: 0 0 .75rem;
}
.entry__meta em { font-style: normal; color: var(--ink-2); }

.tag {
  display: inline-block; font-family: var(--sans);
  font-size: .6875rem; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--accent-ink); background: var(--accent-bg);
  border-radius: 3px; padding: .18rem .45rem; margin-right: .4rem;
  vertical-align: 1px;
}
.tag--quiet { color: var(--ink-3); background: var(--rule-soft); }

.entry__links { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin: 0 0 .9rem; padding: 0; list-style: none; }
.entry__links a {
  font-family: var(--sans); font-size: .8125rem; font-weight: 500;
  color: var(--accent-ink); text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  padding-bottom: 1px;
}
.entry__links a:hover { border-bottom-color: var(--accent); }
/* only flag links that actually leave the site */
.entry__links a[href^="http"]::after { content: " ↗"; font-size: .75em; opacity: .55; }

/* The signature "insight" device */
.insight {
  margin: 0; padding: .1rem 0 .1rem 1.1rem;
  border-left: 2px solid var(--accent);
}
.insight__label {
  display: block; font-family: var(--sans);
  font-size: .6875rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-ink); margin-bottom: .25rem;
}
.insight__text {
  font-family: var(--serif); font-size: .98rem; line-height: 1.6;
  color: var(--ink-2); margin: 0;
}

/* ---- Selected work on home --------------------------------- */
.selected { display: grid; gap: 1.75rem; }
.selected .entry__title { font-size: 1.15rem; }
.more-link {
  display: inline-block; margin-top: 1.75rem;
  font-family: var(--sans); font-size: .875rem; font-weight: 500;
  color: var(--accent-ink); text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
}
.more-link:hover { border-bottom-color: var(--accent); }

/* ---- Teaching ---------------------------------------------- */
.course { max-width: var(--measure); }
.course__title { font-family: var(--serif); font-weight: 600; font-size: 1.35rem; margin: 0 0 .4rem; }
.stat {
  display: flex; align-items: baseline; gap: .6rem;
  margin: 1.5rem 0 1rem; padding: .9rem 1.1rem;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 4px;
}
.stat__num { font-family: var(--serif); font-weight: 600; font-size: 1.6rem; color: var(--accent-ink); line-height: 1; }
.stat__label { font-family: var(--sans); font-size: .8125rem; color: var(--ink-3); }

.quotes { display: grid; gap: 1.25rem; margin: 0; padding: 0; }
.quote {
  margin: 0; padding: 0 0 0 1.1rem; border-left: 2px solid var(--rule);
  font-size: .98rem; line-height: 1.6; color: var(--ink-2);
}
.quote p { margin: 0; }

/* ---- Footer ------------------------------------------------ */
.site-foot {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 3rem;
  font-family: var(--sans); font-size: .8125rem; color: var(--ink-3);
}
.site-foot__inner {
  max-width: var(--wide); margin-inline: auto; padding-inline: var(--pad);
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between;
}
.site-foot a { color: var(--ink-2); text-decoration: none; }
.site-foot a:hover { color: var(--accent-ink); }

/* ---- Focus & motion ---------------------------------------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .01ms !important; }
}