/* ============================================
   Konstantina Sachpazi — Civil Engineer
   Editorial / Architectural design system
   ============================================ */

:root {
  /* Palette */
  --paper: #EFEBE2;
  --paper-2: #E7E2D6;
  --surface: #F7F4ED;
  --ink: #14181F;
  --ink-2: #2A2F38;
  --muted: #6E6A60;
  --rule: #C9C2B2;
  --rule-soft: #D9D3C4;
  --blueprint: #1F3A5F;
  --blueprint-2: #2C4F7A;
  --ochre: #B65A2E;
  --ochre-soft: #C97E50;
  --paper-dark: #1A1E25;
  --paper-dark-2: #232831;

  /* Typography */
  --serif: "Cormorant Garamond", "GFS Didot", "Times New Roman", serif;
  --sans: "Manrope", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;

  /* Spacing */
  --container: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-gap: clamp(4rem, 9vw, 9rem);

  /* Radii / shadows */
  --radius: 2px;
  --shadow-1: 0 1px 0 rgba(20,24,31,0.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--ink); color: var(--paper); }

img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, opacity .2s ease;
}

p { margin: 0 0 1em; text-wrap: pretty; }

/* ============================================
   Typography utilities
   ============================================ */

.display {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: -0.012em;
  line-height: 1.02;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}

.section-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ochre);
  font-weight: 500;
}

.section-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 5vw, 4rem);
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 0;
}

.lead {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.muted { color: var(--muted); }

/* ============================================
   Top navigation
   ============================================ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(239, 235, 226, 0.86);
  backdrop-filter: saturate(120%) blur(12px);
  -webkit-backdrop-filter: saturate(120%) blur(12px);
  border-bottom: 1px solid var(--rule-soft);
}

.topbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid var(--ink);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.brand-name {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  white-space: nowrap;
}
.brand-name small {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 3px;
  font-weight: 500;
}

@media (max-width: 1080px) {
  .brand-name { font-size: 17px; }
}
@media (max-width: 720px) {
  .brand-name small { display: none; }
}

.nav {
  display: flex;
  gap: 28px;
  font-size: 14.5px;
  font-weight: 500;
}
.nav a {
  position: relative;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav a:hover { border-bottom-color: var(--ink); }

.nav-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 500;
  transition: background .2s ease;
}
.nav-cta:hover { background: var(--blueprint); }

@media (max-width: 880px) {
  .nav { display: none; }
}

/* ============================================
   Hero
   ============================================ */

.hero {
  max-width: var(--container);
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5.5rem) var(--gutter) clamp(3rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}

.hero-meta {
  display: flex;
  gap: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 8px; }
.hero-meta .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ochre); }

.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.8rem, 8vw, 6.4rem);
  line-height: 0.96;
  letter-spacing: -0.018em;
  margin: 0 0 1.5rem;
}
.hero-title .surname { display: block; font-style: italic; }

.hero-role {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.15rem, 1.9vw, 1.5rem);
  color: var(--ink-2);
  margin-bottom: 2rem;
  font-weight: 400;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  border-top: 1px solid var(--rule);
  padding-top: 1.5rem;
  margin-top: 1rem;
  max-width: 540px;
}
.hero-stats div {
  display: flex;
  flex-direction: column;
}
.hero-stats .val {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.015em;
}
.hero-stats .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 6px;
}

.hero-portrait {
  position: relative;
  align-self: stretch;
}
.hero-portrait .frame {
  position: relative;
  aspect-ratio: 4/5;
  background: var(--paper-2);
  overflow: hidden;
  border: 1px solid var(--rule);
}
.hero-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  filter: grayscale(0.06) contrast(1.02);
}
.hero-portrait .caption {
  position: absolute;
  bottom: -28px;
  right: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-portrait .crossmark {
  position: absolute;
  top: -14px; left: -14px;
  width: 28px; height: 28px;
}
.hero-portrait .crossmark::before,
.hero-portrait .crossmark::after {
  content: '';
  position: absolute;
  background: var(--ink);
}
.hero-portrait .crossmark::before { left: 13px; top: 0; width: 2px; height: 28px; }
.hero-portrait .crossmark::after { top: 13px; left: 0; width: 28px; height: 2px; }

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 360px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   Section scaffolding
   ============================================ */

.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--section-gap) var(--gutter);
  border-top: 1px solid var(--rule);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  margin-bottom: clamp(2rem, 5vw, 4rem);
  align-items: baseline;
}

.section-head .left {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.section-head .right {
  max-width: 560px;
  min-width: 0;
}
.section-head .right .lead { margin: 0; }

@media (max-width: 820px) {
  .section-head { grid-template-columns: 1fr; gap: 1rem; }
}

/* ============================================
   About
   ============================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.about-bio p { font-size: 17px; line-height: 1.7; color: var(--ink-2); margin-bottom: 1.1em; }
.about-bio p:first-of-type::first-letter {
  font-family: var(--serif);
  font-size: 4.2em;
  float: left;
  line-height: 0.9;
  padding: 6px 12px 0 0;
  font-weight: 500;
  color: var(--ink);
}

.facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.fact {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  padding: 18px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}
.fact dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.fact dd {
  margin: 0;
  font-size: 15.5px;
  color: var(--ink);
}
.fact dd .accent { color: var(--ochre); font-family: var(--mono); font-size: 13px; }

@media (max-width: 880px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ============================================
   Education timeline
   ============================================ */

.timeline {
  display: grid;
  gap: 0;
}
.tl-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.5rem, 3vw, 2.5rem) 0;
  border-top: 1px solid var(--rule);
  position: relative;
}
.tl-item:last-child { border-bottom: 1px solid var(--rule); }

.tl-year {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ochre);
  font-weight: 600;
  padding-top: 6px;
}

.tl-body h3 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 500;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
  line-height: 1.18;
}
.tl-body .institution {
  font-family: var(--sans);
  font-size: 14.5px;
  color: var(--muted);
  margin-bottom: 12px;
  font-weight: 500;
}
.tl-body p { color: var(--ink-2); font-size: 15.5px; }

.tl-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 10px;
  background: var(--paper-2);
  color: var(--ink);
  margin-right: 8px;
  margin-top: 8px;
}
.tl-badge.ongoing { background: var(--ink); color: var(--paper); }
.tl-badge.grade { background: transparent; border: 1px solid var(--ochre); color: var(--ochre); }

.thesis {
  margin-top: 18px;
  padding: 18px 22px;
  background: var(--surface);
  border-left: 2px solid var(--ochre);
}
.thesis .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.thesis .title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 17px;
  line-height: 1.35;
  margin-bottom: 6px;
}
.thesis .grade {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-2);
  letter-spacing: 0.06em;
}

@media (max-width: 720px) {
  .tl-item { grid-template-columns: 1fr; gap: 8px; }
}

/* ============================================
   Specializations
   ============================================ */

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.spec-card {
  background: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background .25s ease;
}
.spec-card:hover { background: var(--surface); }
.spec-card .num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ochre);
  margin-bottom: 1.5rem;
}
.spec-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.55rem;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.spec-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 980px) { .spec-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .spec-grid { grid-template-columns: 1fr; } }

/* ============================================
   Projects
   ============================================ */

.projects-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
}

.firm-card {
  background: var(--paper-dark);
  color: var(--paper);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
  overflow: hidden;
}
.firm-card .stamp {
  position: absolute;
  top: 18px; right: 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ochre-soft);
  border: 1px solid var(--ochre-soft);
  padding: 5px 10px;
}
.firm-card .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(247,244,237,0.6);
  margin-bottom: 1rem;
}
.firm-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  margin: 0 0 1rem;
  line-height: 1.15;
}
.firm-card .firm-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  border-top: 1px solid rgba(247,244,237,0.15);
  padding-top: 1rem;
  margin-top: 1.5rem;
}
.firm-card .firm-meta dt {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(247,244,237,0.55);
  margin-bottom: 3px;
}
.firm-card .firm-meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--paper);
}
.firm-card .visit {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ochre-soft);
  border-bottom: 1px solid var(--ochre-soft);
  padding-bottom: 4px;
}
.firm-card .visit:hover { color: var(--paper); border-color: var(--paper); }

.projects-summary {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.projects-summary p { color: var(--ink-2); font-size: 16px; line-height: 1.65; }

.proj-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  align-items: center;
}
.proj-filter .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 8px;
}
.proj-filter button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--rule);
  padding: 7px 12px;
  cursor: pointer;
  color: var(--ink-2);
  transition: all .2s ease;
}
.proj-filter button:hover { border-color: var(--ink); color: var(--ink); }
.proj-filter button.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.proj-list {
  display: grid;
  gap: 0;
}
.proj-item {
  display: grid;
  grid-template-columns: 90px 130px 1fr 100px;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: 1.6rem 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
  transition: background .2s ease;
}
.proj-item:last-child { border-bottom: 1px solid var(--rule); }
.proj-item:hover { background: var(--surface); }
.proj-item .pyear {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ochre);
  font-weight: 600;
}
.proj-item .pcat {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.proj-item .ptitle {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.35;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.proj-item .ploc {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-align: right;
}

@media (max-width: 880px) {
  .projects-intro { grid-template-columns: 1fr; }
  .proj-item {
    grid-template-columns: 70px 1fr;
    grid-template-areas:
      "year cat"
      "year title"
      "year loc";
    gap: 4px 1rem;
  }
  .proj-item .pyear { grid-area: year; }
  .proj-item .pcat { grid-area: cat; }
  .proj-item .ptitle { grid-area: title; }
  .proj-item .ploc { grid-area: loc; text-align: left; }
}

/* ============================================
   Publications
   ============================================ */

.pub-counter {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.pub-counter .big {
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.02em;
}
.pub-counter .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 220px;
  line-height: 1.5;
}

.pub-list {
  display: grid;
  gap: 0;
}
.pub-item {
  display: grid;
  grid-template-columns: 90px 1fr 140px;
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: 1.4rem 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.pub-item:last-child { border-bottom: 1px solid var(--rule); }
.pub-item .pdate {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ochre);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.pub-item .ptitle {
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.35;
  letter-spacing: -0.005em;
}
.pub-item .pcoauth {
  display: block;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 4px;
  font-style: italic;
}
.pub-item .psource {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: right;
}
.pub-item .psource span {
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--rule);
  background: var(--surface);
}

@media (max-width: 880px) {
  .pub-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .pub-item .psource { text-align: left; }
  .pub-item .psource span { display: inline-block; }
}

.pub-toggle {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}
.pub-toggle button {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--ink);
  padding: 12px 24px;
  cursor: pointer;
  color: var(--ink);
  transition: all .2s ease;
}
.pub-toggle button:hover {
  background: var(--ink);
  color: var(--paper);
}

.pub-hidden { display: none; }

/* ============================================
   Skills & Languages
   ============================================ */

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}

.skill-block h3 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 1.3rem;
  margin: 0 0 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--rule);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}
.tag-list li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 7px 13px;
  background: var(--surface);
  border: 1px solid var(--rule);
}
.tag-list.primary li {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.lang-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.lang-item {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 1rem;
  padding: 14px 0;
  border-top: 1px solid var(--rule-soft);
  align-items: baseline;
}
.lang-item:first-child { border-top: 1px solid var(--rule); }
.lang-item:last-child { border-bottom: 1px solid var(--rule); }
.lang-item .name { font-family: var(--serif); font-size: 1.1rem; font-weight: 500; }
.lang-item .level {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  padding: 4px 10px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
}
.lang-item .cert {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

@media (max-width: 880px) {
  .skills-grid { grid-template-columns: 1fr; }
  .lang-item { grid-template-columns: 1fr auto; }
  .lang-item .cert { grid-column: 1 / -1; margin-top: 4px; }
}

/* ============================================
   Research interests / talk
   ============================================ */

.pullquote {
  margin: clamp(3rem, 7vw, 5rem) 0;
  padding: clamp(2rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  text-align: center;
}
.pullquote .q {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.4rem, 3.5vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -0.005em;
  max-width: 900px;
  margin: 0 auto 1rem;
  color: var(--ink);
}
.pullquote .who {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule-soft);
}
.research-item {
  background: var(--paper);
  padding: 1.5rem 1.5rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.research-item .ri-num {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ochre);
  letter-spacing: 0.1em;
  min-width: 32px;
}
.research-item p {
  font-family: var(--serif);
  font-size: 1.1rem;
  margin: 0;
  line-height: 1.35;
  letter-spacing: -0.005em;
}

@media (max-width: 720px) { .research-grid { grid-template-columns: 1fr; } }

.talk-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 2rem;
  padding: 2rem;
  background: var(--surface);
  border-left: 3px solid var(--ochre);
  align-items: baseline;
}
.talk-card .date {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ochre);
  font-weight: 600;
}
.talk-card h4 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.005em;
  line-height: 1.3;
}
.talk-card .ctx {
  color: var(--muted);
  font-size: 14.5px;
}

@media (max-width: 620px) { .talk-card { grid-template-columns: 1fr; gap: 0.8rem; } }

/* ============================================
   Contact / footer
   ============================================ */

.contact {
  background: var(--paper-dark);
  color: var(--paper);
  margin-top: var(--section-gap);
  padding: clamp(3rem, 7vw, 6rem) 0;
}
.contact-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.contact-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.5rem, 7vw, 5rem);
  letter-spacing: -0.015em;
  line-height: 1.05;
  margin: 0 0 3rem;
  max-width: 18ch;
}
.contact-title em { color: var(--ochre-soft); }

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(247,244,237,0.15);
}
.contact-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  padding: 18px 0;
  border-bottom: 1px solid rgba(247,244,237,0.12);
  align-items: baseline;
}
.contact-row dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(247,244,237,0.55);
}
.contact-row dd {
  margin: 0;
  font-size: 16px;
}
.contact-row dd a {
  border-bottom: 1px solid transparent;
}
.contact-row dd a:hover { border-bottom-color: var(--ochre-soft); color: var(--ochre-soft); }

.contact-side {
  background: var(--paper-dark-2);
  padding: 2rem;
  border-left: 3px solid var(--ochre);
}
.contact-side h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(247,244,237,0.55);
  margin: 0 0 1rem;
  font-weight: 500;
}
.contact-side p {
  font-family: var(--serif);
  font-size: 1.1rem;
  line-height: 1.45;
  margin-bottom: 1.5rem;
}
.contact-side .pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: rgba(182,90,46,0.15);
  color: var(--ochre-soft);
  border: 1px solid var(--ochre-soft);
}

@media (max-width: 880px) {
  .contact-grid { grid-template-columns: 1fr; }
}

.footer {
  background: var(--paper-dark);
  color: rgba(247,244,237,0.55);
  border-top: 1px solid rgba(247,244,237,0.1);
  padding: 1.5rem 0;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

@media (max-width: 620px) {
  .footer-inner { flex-direction: column; align-items: flex-start; }
}

/* ============================================
   Tiny print decorations (blueprint feel)
   ============================================ */

.rule-stamp {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.rule-stamp::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--ochre);
}

/* Reveal — subtle, default-visible so SSR/screenshots always look right */
.reveal { opacity: 1; transform: none; transition: opacity .8s ease, transform .8s ease; }
@media (prefers-reduced-motion: no-preference) {
  .reveal.pre { opacity: 0; transform: translateY(14px); }
  .reveal.in { opacity: 1; transform: none; }
}