/* nunomendes.eu — light editorial theme ("Lisbon Light × Azulejo")
   Ported from visual-concepts/concept-ba.html (approved hybrid:
   Concept B lightness + Concept A decorations + real azulejo imagery). */

:root {
  --paper: #f6efe2;
  --paper2: #fffaf0;
  --paper3: #efe4cf;
  --ink: #17202a;
  --body: #35404c;
  --muted: #75808a;
  --blue: #174f8f;
  --blue2: #2f74bd;
  --cobalt: #1d5cb8;
  --blue-soft: #dbe8f5;
  --rule: #d9cbb0;
  --rule-dark: #a99a7d;
  --serif: 'DM Serif Display', Georgia, serif;
  --mono: 'DM Mono', ui-monospace, monospace;
  --sans: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  background-image: radial-gradient(rgba(23,79,143,.045) 1px, transparent 1px);
  background-size: 22px 22px;
  color: var(--body);
  font-family: var(--sans);
  font-size: 16.5px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--cobalt); }
::selection { background: var(--blue); color: #fff; }

.page { max-width: 1180px; margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 3rem); }

/* ── MASTHEAD ── */
.masthead {
  padding: 1.15rem 0 1rem;
  border-bottom: 3px double var(--ink);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: end;
  gap: 1rem;
}

.masthead .side {
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
}

.masthead .side:last-child { text-align: right; }

.masthead .brand {
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: center;
  white-space: nowrap;
  text-decoration: none;
}

.masthead .brand span { color: var(--cobalt); }

/* ── NAV ── */
.navrow { border-bottom: 1px solid var(--rule-dark); }

.navrow ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: clamp(1.1rem, 3.4vw, 2.8rem);
  padding: .8rem 0;
  flex-wrap: wrap;
}

.navrow a {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--body);
  white-space: nowrap;
}

.navrow a:hover, .navrow a.active {
  color: var(--cobalt);
  text-decoration: underline;
  text-underline-offset: 5px;
}

/* ── AZULEJO BANDS ── */
.tile-band { border-bottom: 1px solid var(--ink); line-height: 0; background: var(--paper3); }

.tile-band img {
  display: block;
  width: 100%;
  height: clamp(170px, 22vw, 240px);
  object-fit: cover;
  object-position: center 58%;
}

.tile-divider {
  height: 26px;
  background-image: url('/assets/img/azulejo-pattern.webp');
  background-repeat: repeat-x;
  background-size: auto 190%;
  background-position: center;
  opacity: .85;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.foot-band {
  height: 20px;
  background-image: url('/assets/img/azulejo-pattern.webp');
  background-repeat: repeat-x;
  background-size: auto 190%;
  background-position: center;
  opacity: .5;
}

/* ── HERO (homepage) ── */
#hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3.2rem, 6vw, 5.2rem) clamp(1.25rem, 4vw, 3rem) clamp(2.8rem, 5vw, 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 7.4fr) minmax(280px, 4.2fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.hero-left { display: flex; flex-direction: column; justify-content: center; }

.hero-tag {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 1.5rem;
}

.hero-tag::after { content: ""; height: 1px; background: var(--rule); flex: 1; }

h1 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink);
  font-size: clamp(3.4rem, 7.5vw, 6.6rem);
  line-height: .96;
  letter-spacing: -.03em;
  margin-bottom: 1.8rem;
}

h1 em { font-style: italic; color: var(--cobalt); }

.hero-bio {
  font-size: clamp(1.08rem, 1.6vw, 1.28rem);
  line-height: 1.72;
  max-width: 640px;
  color: var(--body);
  margin-bottom: 2.2rem;
}

.hero-links { display: flex; gap: .75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .78rem 1.15rem;
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  background: transparent;
  transition: .18s;
  cursor: pointer;
}

.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn:hover { transform: translateY(-2px); box-shadow: 4px 4px 0 var(--blue-soft); }
.btn-primary:hover { box-shadow: 4px 4px 0 rgba(23,32,42,.18); }
.btn-ghost { border: 1px solid var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); color: var(--cobalt); }

.hero-right { display: flex; flex-direction: column; }

.hero-card {
  position: relative;
  border: 1px solid var(--ink);
  background: var(--paper2);
  padding: 1.4rem 1.5rem 1.5rem;
  box-shadow: 8px 8px 0 var(--blue-soft);
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: -13px auto auto -13px;
  width: 56px; height: 56px;
  border-top: 2px solid var(--cobalt);
  border-left: 2px solid var(--cobalt);
}

.hero-card-label {
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 1.1rem;
  padding-bottom: .7rem;
  border-bottom: 2px solid var(--ink);
}

.current-role { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.4rem; }

.role-icon {
  width: 42px; height: 42px;
  background: var(--blue);
  color: #fff;
  border-radius: 2px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.role-title { font-size: .98rem; font-weight: 600; color: var(--ink); line-height: 1.4; }

.role-company { font-family: var(--mono); font-size: .72rem; color: var(--cobalt); letter-spacing: .04em; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--rule); }

.stat { padding: .9rem .4rem .2rem 0; }
.stat:nth-child(even) { border-left: 1px solid var(--rule); padding-left: 1rem; }

.stat-num { font-family: var(--serif); font-size: 1.9rem; color: var(--ink); line-height: 1; }
.stat-num span { color: var(--cobalt); }

.stat-label {
  font-family: var(--mono);
  font-size: .62rem;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-top: .35rem;
}

/* ── SECTIONS ── */
section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(3.6rem, 6.5vw, 5.5rem) clamp(1.25rem, 4vw, 3rem);
  border-top: 1px solid var(--rule-dark);
}

.section-header { display: flex; align-items: baseline; gap: 1.4rem; margin-bottom: 2.6rem; }

.section-num {
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--cobalt);
  letter-spacing: .14em;
  padding-top: .6rem;
  border-top: 2px solid var(--cobalt);
  min-width: 3.2rem;
}

h2 {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 4.5vw, 3.9rem);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -.025em;
  line-height: 1.04;
}

.section-intro {
  color: var(--body);
  max-width: 680px;
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 2.8rem;
}

.section-intro a { color: var(--cobalt); }

/* Homepage Background: copy + azulejo plate */
.bg-grid {
  display: grid;
  grid-template-columns: 1.45fr .8fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.bg-copy { font-size: 1.05rem; line-height: 1.9; max-width: 700px; }
.bg-copy p:first-child::first-letter {
  font-family: var(--serif);
  font-size: 3.4em;
  float: left;
  line-height: .78;
  padding: .06em .12em 0 0;
  color: var(--cobalt);
}
.bg-copy p + p { margin-top: 1.15rem; }
.bg-copy .hero-links { margin-top: 2rem; }

.plate {
  position: relative;
  border: 1px solid var(--ink);
  background: var(--paper2);
  padding: .55rem;
  box-shadow: 8px 8px 0 var(--blue-soft);
}

.plate::before {
  content: "";
  position: absolute;
  inset: -13px auto auto -13px;
  width: 56px; height: 56px;
  border-top: 2px solid var(--cobalt);
  border-left: 2px solid var(--cobalt);
}

.plate img { display: block; width: 100%; aspect-ratio: 1 / 1.02; object-fit: cover; background: var(--paper3); }

.plate figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .65rem .1rem 0;
  font-family: var(--mono);
  font-size: .63rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  color: var(--muted);
}

.plate figcaption span:last-child { color: var(--cobalt); }

/* ── SUBPAGES ── */
.page-main { max-width: 1020px; margin: 0 auto; padding: 3.6rem 2rem 5rem; }
.page-main .section-header { margin-bottom: 2.2rem; }
.page-main .section-intro { margin-top: 0; }

/* ── PUBLICATIONS (archive lists) ── */
.pub-section { margin-bottom: 3.4rem; }

.pub-section-title {
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -.01em;
  margin-bottom: .4rem;
  padding-bottom: .6rem;
  border-bottom: 2px solid var(--ink);
}

.pub-list { list-style: none; }

.pub-item { padding: 1.15rem 0; border-bottom: 1px solid var(--rule); }
.pub-item:last-child { border-bottom: none; }

.pub-title { font-size: 1.02rem; font-weight: 600; color: var(--ink); line-height: 1.5; }
.pub-authors { font-size: .88rem; color: var(--muted); margin-top: .15rem; }

.pub-meta {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--muted);
  letter-spacing: .04em;
  margin-top: .4rem;
  line-height: 1.7;
}

.pub-venue { color: var(--blue); }

.pub-meta a {
  color: var(--cobalt);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--rule-dark);
}

.pub-meta a:hover { border-bottom-color: var(--cobalt); }

/* ── CONTEXT / PROVENANCE NOTE ── */
.context-note-item { border-bottom: none; padding-top: 0; }

.context-note {
  background: var(--paper2);
  border: 1px solid var(--rule-dark);
  border-left: 3px solid var(--cobalt);
  padding: 1.35rem 1.55rem;
}

.context-note-label {
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--cobalt);
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: .65rem;
}

.context-note p { font-size: .92rem; color: var(--body); line-height: 1.8; }

/* ── RESEARCH CARDS (legacy component, kept styled) ── */
.research-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; }

.research-card {
  background: var(--paper2);
  border: 1px solid var(--rule-dark);
  padding: 1.5rem;
  transition: border-color .2s, transform .2s;
}

.research-card:hover { border-color: var(--cobalt); transform: translateY(-3px); }

.research-journal {
  font-family: var(--mono);
  font-size: .75rem;
  color: var(--cobalt);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .6rem;
}

.research-title { font-size: 1rem; color: var(--ink); line-height: 1.5; }
.research-year { font-family: var(--mono); font-size: .75rem; color: var(--muted); margin-top: .75rem; }

/* ── SOFTWARE / PROJECT CARDS ── */
.software-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1.5rem; }

.software-card {
  background: var(--paper2);
  border: 1px solid var(--rule-dark);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: border-color .2s, box-shadow .2s;
}

.software-card:hover { border-color: var(--cobalt); box-shadow: 6px 6px 0 var(--blue-soft); }

.software-card h3 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--ink);
  margin-bottom: .5rem;
}

.card-tag {
  align-self: flex-start;
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .22rem .6rem;
  border: 1px solid var(--rule-dark);
  border-radius: 999px;
  color: var(--muted);
  background: var(--paper);
  margin-bottom: .9rem;
}

.card-tag.current { color: var(--cobalt); border-color: var(--cobalt); }

.software-desc { font-size: .92rem; color: var(--body); line-height: 1.7; }

.software-note { font-size: .88rem; color: var(--muted); font-style: italic; line-height: 1.7; margin-top: .8rem; }

.software-links { margin-top: auto; padding-top: 1.1rem; font-family: var(--mono); font-size: .75rem; }

.software-links a {
  color: var(--cobalt);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.software-links a:hover { text-decoration: underline; }

.downloads { list-style: none; margin-top: 1rem; border-top: 1px solid var(--rule); padding-top: .9rem; }
.downloads li { margin-bottom: .35rem; }

.downloads a { font-family: var(--mono); font-size: .78rem; color: var(--blue); text-decoration: none; }
.downloads a:hover { color: var(--cobalt); text-decoration: underline; }

/* ── EXPERIENCE (timeline, /work) ── */
.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: .6rem; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--cobalt), var(--rule));
}

.timeline-item { position: relative; padding-left: 2rem; padding-bottom: 2.8rem; }

.timeline-item::before {
  content: '';
  position: absolute;
  left: -.35rem; top: .5rem;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cobalt);
  box-shadow: 0 0 0 4px var(--blue-soft);
}

.timeline-item.past::before { background: var(--rule-dark); box-shadow: none; }

.timeline-meta { font-family: var(--mono); font-size: .8rem; color: var(--muted); letter-spacing: .06em; margin-bottom: .4rem; }
.timeline-title { font-size: 1.15rem; font-weight: 600; color: var(--ink); margin-bottom: .2rem; }
.timeline-company { font-family: var(--mono); font-size: .9rem; color: var(--blue); margin-bottom: .75rem; }
.timeline-desc { font-size: .95rem; color: var(--body); max-width: 600px; }

.timeline-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .75rem; }

.tag {
  font-family: var(--mono);
  font-size: .65rem;
  padding: .2rem .6rem;
  border: 1px solid var(--rule-dark);
  color: var(--muted);
  letter-spacing: .04em;
  border-radius: 999px;
  background: var(--paper2);
}

/* ── EDUCATION (/about) ── */
.edu-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.edu-card { background: var(--paper2); border: 1px solid var(--rule-dark); padding: 1.5rem 1.8rem; }

.edu-degree {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--cobalt);
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .4rem;
}

.edu-school { font-size: 1.08rem; font-weight: 600; color: var(--ink); margin-bottom: .2rem; }
.edu-years { font-family: var(--mono); font-size: .8rem; color: var(--muted); }

/* ── SKILLS / LANGUAGES ── */
.skills-section { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }

.skill-group-title {
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--cobalt);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.skill-list { display: flex; flex-wrap: wrap; gap: .5rem; }

.skill-pill {
  font-family: var(--mono);
  font-size: .82rem;
  padding: .35rem .8rem;
  background: var(--paper2);
  border: 1px solid var(--rule-dark);
  color: var(--ink);
  border-radius: 999px;
  transition: all .2s;
}

.skill-pill:hover { border-color: var(--cobalt); color: var(--cobalt); }

/* ── FOOTER ── */
footer {
  padding: 2.4rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  align-items: start;
}

footer .foot-name { font-family: var(--serif); font-size: 1.35rem; color: var(--ink); }

footer .foot-name small {
  display: block;
  font-family: var(--mono);
  font-size: .66rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: .3rem;
}

footer .foot-links { display: flex; gap: 1.4rem; flex-wrap: wrap; }

footer .foot-links a {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--body);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-dark);
  padding-bottom: .2rem;
}

footer .foot-links a:hover { color: var(--cobalt); border-bottom-color: var(--cobalt); }

/* ── PDF VIEWER (/teaching) ── */
.pdf-viewer {
  border: 1px solid var(--ink);
  background: var(--paper2);
  padding: .9rem;
  box-shadow: 8px 8px 0 var(--blue-soft);
  margin-bottom: .5rem;
  /* Break out of the text column so documents render near true size */
  width: min(1280px, calc(100vw - 2.5rem));
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.pdf-doc-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: .9rem; }

.pdf-doc {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .05em;
  padding: .5rem .85rem;
  background: var(--paper);
  border: 1px solid var(--rule-dark);
  color: var(--body);
  cursor: pointer;
  transition: border-color .18s, color .18s, background .18s;
}

.pdf-doc:hover { border-color: var(--cobalt); color: var(--cobalt); }
.pdf-doc:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; }

.pdf-doc.is-active { background: var(--blue); border-color: var(--blue); color: #fff; }

.pdf-viewer iframe {
  display: block;
  width: 100%;
  height: 88vh;
  min-height: 640px;
  border: 1px solid var(--rule);
  background: #fff;
}

.pdf-fallback {
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--muted);
  letter-spacing: .03em;
  margin-top: .7rem;
}

.pdf-fallback a { color: var(--cobalt); text-decoration: none; border-bottom: 1px solid var(--rule-dark); }
.pdf-fallback a:hover { border-bottom-color: var(--cobalt); }

/* ── RESPONSIVE ── */
@media (max-width: 940px) {
  #hero { grid-template-columns: 1fr; }
  .bg-grid { grid-template-columns: 1fr; }
  .plate { max-width: 440px; }
}

@media (max-width: 900px) {
  .edu-grid { grid-template-columns: 1fr; }
  .skills-section { grid-template-columns: 1fr; gap: 2rem; }
  .page-main { padding: 2.6rem 1.5rem 4rem; }
}

@media (max-width: 680px) {
  .masthead { grid-template-columns: 1fr; text-align: center; gap: .3rem; }
  .masthead .side, .masthead .side:last-child { text-align: center; }
  .section-header { flex-direction: column; gap: .6rem; }
  .section-num { border-top: 0; padding-top: 0; }
  h1 { font-size: 3.4rem; }
  .tile-band img { height: 150px; }
  footer { flex-direction: column; }
  .pdf-viewer { padding: .65rem; box-shadow: 5px 5px 0 var(--blue-soft); }
  .pdf-doc { flex: 1 1 42%; text-align: center; }
  .pdf-viewer iframe { height: 80vh; min-height: 520px; }
}