/* palette-version: 2026-04-24-18:00-white-sync */
/* ============================================================
   FxMEDUS — Editorial Scientific v2
   Typography: Fraunces (display) + IBM Plex Sans (body)
   Palette: warm newsprint with oxblood accent
   ============================================================ */

:root {
  --paper: #FFFFFF;
  --paper-soft: #FBFBFA;
  --paper-darker: #F6F6F5;
  --ink: #053F65;
  --ink-deep: #032238;
  --ink-soft: #3A5268;
  --ink-muted: #7A8A9B;
  --accent: #EF8320;
  --accent-bright: #FF9840;
  --accent-deep: #C46616;
  --gold: #D4A340;
  --gold-bright: #EFC060;
  --forest: #1F4A3A;
  --green: #1F6B4A;
  --hairline: #E8ECF0;
  --hairline-soft: #EEF2F6;
  --hairline-dark: rgba(255, 255, 255, 0.18);

  --serif: 'Fraunces', 'Tiempos Headline', Georgia, serif;
  --sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', ui-monospace, monospace;

  --max: 1380px;
  --prose: 680px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

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

html { font-size: 17px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.005em;
  min-height: 100vh;
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 15% 8%, rgba(107, 35, 35, 0.04) 0%, transparent 35%),
    radial-gradient(circle at 85% 72%, rgba(166, 139, 63, 0.035) 0%, transparent 42%);
}

/* TYPOGRAPHY */

h1.hero-title {
  font-family: var(--serif); font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 60;
  font-size: clamp(2.8rem, 7.2vw, 6rem);
  line-height: 0.95; letter-spacing: -0.035em; color: var(--ink);
  overflow-wrap: anywhere; word-break: normal;
}
h1.hero-title em { font-style: italic; font-weight: 300; color: var(--accent); }

h2.section-title {
  font-family: var(--serif); font-weight: 400;
  font-variation-settings: "opsz" 72;
  font-size: clamp(2rem, 4.8vw, 3.8rem);
  line-height: 1.02; letter-spacing: -0.022em; margin-bottom: 1.5rem;
}
h2.section-title em { font-style: italic; font-weight: 300; color: var(--accent); }

h3 {
  font-family: var(--serif); font-weight: 500;
  font-variation-settings: "opsz" 36;
  font-size: clamp(1.4rem, 2.3vw, 2rem);
  line-height: 1.18; letter-spacing: -0.015em; margin-bottom: 0.6rem;
}

h4 {
  font-family: var(--sans); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.9rem;
}

p { font-size: 1.02rem; color: var(--ink-soft); margin-bottom: 1rem; }
p.lede {
  font-family: var(--serif); font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: clamp(1.3rem, 2.3vw, 1.7rem);
  line-height: 1.42; color: var(--ink); letter-spacing: -0.012em;
}

.eyebrow {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.eyebrow-gold { color: var(--gold); }

a { color: var(--accent); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--accent-bright); }
.link-underline { border-bottom: 1px solid currentColor; padding-bottom: 1px; }

/* LAYOUT */

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.prose { max-width: var(--prose); }
.rule { border: 0; height: 1px; background: var(--hairline); margin: 0; }
section { padding: clamp(4rem, 9vw, 7rem) 0; }
.bg-soft { background: var(--paper-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }

/* HEADER / NAV */

header.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, 0.93);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--hairline);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem var(--gutter); max-width: var(--max); margin: 0 auto;
}
.brand {
  font-family: var(--serif); font-weight: 500; font-size: 1.4rem;
  letter-spacing: -0.025em; color: var(--ink);
  display: inline-flex; align-items: baseline;
}
.brand em { font-style: italic; font-weight: 300; color: var(--ink); }
.brand em.brand-us { font-weight: 600; color: var(--accent); letter-spacing: -0.015em; }
.brand-mark {
  display: inline-block; width: 9px; height: 9px;
  background: var(--accent); border-radius: 50%;
  margin-right: 0.4rem; transform: translateY(-2px);
}
.nav-links {
  display: flex; gap: clamp(1.1rem, 2.3vw, 2rem);
  list-style: none; font-size: 0.86rem; letter-spacing: 0.02em;
}
.nav-links a {
  color: var(--ink); font-weight: 450; position: relative; transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--accent); }
.nav-links a.active { color: var(--accent); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 1.5px; background: var(--accent);
}
.nav-toggle {
  display: none; background: transparent; border: 1px solid var(--hairline);
  padding: 0.4rem 0.7rem; font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer; color: var(--ink);
}
@media (max-width: 900px) {
  .nav-links {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--paper); flex-direction: column;
    padding: 1.5rem var(--gutter); border-bottom: 1px solid var(--hairline);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
}

/* HERO */

.hero {
  padding: clamp(3.5rem, 8vw, 7rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative; overflow: hidden;
}
.hero-meta {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 2rem; margin-bottom: clamp(2rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-muted);
  flex-wrap: wrap; gap: 1rem;
}
.hero-body { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 900px) {
  .hero-body { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 4rem; align-items: end; }
}
.hero-aside { padding-top: 0.8rem; position: relative; z-index: 2; }
.hero-aside p {
  font-family: var(--serif); font-weight: 350;
  font-variation-settings: "opsz" 24;
  font-size: 1.25rem; line-height: 1.45;
  color: var(--ink); letter-spacing: -0.005em;
}
.hero-cta { margin-top: 2.5rem; display: flex; gap: 1rem; flex-wrap: wrap; }

.hero::after {
  content: ''; position: absolute; top: 0; right: 0;
  width: 220px; height: 220px;
  background: radial-gradient(circle at top right, var(--accent) 0%, transparent 65%);
  opacity: 0.07; pointer-events: none;
}

/* BUTTONS */

.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 1.5rem;
  font-family: var(--sans); font-size: 0.88rem;
  font-weight: 500; letter-spacing: 0.04em;
  border: none; cursor: pointer; transition: all 0.25s ease; border-radius: 2px;
}
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--accent); color: var(--paper); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-arrow::after { content: '→'; font-family: var(--serif); font-style: italic; }
.btn-gold { background: var(--gold); color: var(--ink-deep); }
.btn-gold:hover { background: var(--gold-bright); transform: translateY(-1px); }

/* METRICS BAR */

.metrics {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
}
@media (min-width: 720px) { .metrics { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 1100px) { .metrics { grid-template-columns: repeat(5, 1fr); } }
.metric {
  padding: 2.2rem 1.8rem;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.metric:last-child { border-right: none; }
@media (min-width: 720px) {
  .metric { border-bottom: none; }
  .metric:nth-child(4n) { border-right: none; }
}
@media (min-width: 1100px) {
  .metric:nth-child(4n) { border-right: 1px solid var(--hairline); }
  .metric:nth-child(5n) { border-right: none; }
}
.metric-num {
  font-family: var(--serif); font-weight: 300;
  font-variation-settings: "opsz" 72;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
  line-height: 1; letter-spacing: -0.035em;
  color: var(--ink); margin-bottom: 0.5rem;
}
.metric-num em { font-style: italic; color: var(--accent); font-weight: 300; }
.metric-label {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-muted); line-height: 1.35;
}

/* SECTION HEADERS */

.section-header {
  display: grid; grid-template-columns: 1fr; gap: 0.5rem;
  padding-bottom: 2.5rem; margin-bottom: 3rem;
  border-bottom: 1px solid var(--hairline);
}
@media (min-width: 768px) {
  .section-header {
    grid-template-columns: 120px minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 2rem; align-items: baseline;
  }
}
.section-roman {
  font-family: var(--serif); font-style: italic; font-weight: 300;
  font-size: 1rem; color: var(--accent); letter-spacing: 0.02em;
}

/* PRODUCT CARDS */

.product-grid {
  display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}
@media (min-width: 720px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }

.product {
  background: var(--paper); border: 1px solid var(--hairline);
  padding: 2rem; transition: all 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
  position: relative; display: flex; flex-direction: column;
  min-height: 340px; text-decoration: none;
}
.product:hover {
  transform: translateY(-3px); border-color: var(--accent);
  box-shadow: 0 20px 40px -20px rgba(107, 35, 35, 0.22);
}
.product-status {
  display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1.5rem;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.14em; text-transform: uppercase;
}
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.status-live { background: var(--green); }
.status-live-label { color: var(--green); }
.status-beta { background: var(--gold); }
.status-beta-label { color: var(--gold); }
.status-mvp { background: var(--accent); }
.status-mvp-label { color: var(--accent); }
.status-concept { background: var(--ink-muted); }
.status-concept-label { color: var(--ink-muted); }
.product-phase {
  margin-left: auto;
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.1em; color: var(--ink-muted);
}
.product h3 { margin-bottom: 0.8rem; color: var(--ink); }
.product-domain {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 1rem;
}
.product-desc {
  font-size: 0.95rem; color: var(--ink-soft);
  flex-grow: 1; margin-bottom: 1.5rem;
}
.product-link {
  font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.06em; color: var(--accent);
  border-top: 1px solid var(--hairline); padding-top: 1rem;
  display: flex; justify-content: space-between; align-items: center;
}
.product-link::after { content: '→'; transition: transform 0.2s ease; }
.product:hover .product-link::after { transform: translateX(4px); }

/* RESEARCH PROGRAM / DARK BLOCK */

.research-program {
  background: var(--ink-deep); color: var(--paper);
  padding: clamp(3rem, 6vw, 5rem);
  position: relative; overflow: hidden;
}
.research-program::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(107, 35, 35, 0.35) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(166, 139, 63, 0.18) 0%, transparent 50%);
  pointer-events: none;
}
.research-program > * { position: relative; z-index: 1; }
.program-title {
  font-family: var(--serif); font-weight: 300;
  font-variation-settings: "opsz" 144, "SOFT" 70;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.98; letter-spacing: -0.03em;
  color: var(--paper); max-width: 900px; margin-bottom: 1.5rem;
}
.program-title em { color: var(--gold); font-style: italic; font-weight: 300; }
.program-subtitle {
  font-family: var(--serif); font-weight: 350; font-style: italic;
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  color: rgba(255, 255, 255, 0.75);
  max-width: 760px; margin-bottom: 2rem;
}
.program-pillars {
  display: grid; grid-template-columns: 1fr; gap: 0;
  margin-top: 3rem;
  border-top: 1px solid var(--hairline-dark);
}
@media (min-width: 900px) { .program-pillars { grid-template-columns: repeat(3, 1fr); } }
.pillar {
  padding: 2rem 1.5rem 2rem 0;
  border-bottom: 1px solid var(--hairline-dark);
}
@media (min-width: 900px) {
  .pillar { padding: 2rem; border-right: 1px solid var(--hairline-dark); border-bottom: none; }
  .pillar:first-child { padding-left: 0; }
  .pillar:last-child { border-right: none; padding-right: 0; }
}
.pillar-num {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.2em; color: var(--gold); margin-bottom: 1rem;
}
.pillar h4 {
  font-family: var(--serif); font-weight: 400;
  font-size: 1.3rem; color: var(--paper);
  margin-bottom: 0.8rem; text-transform: none; letter-spacing: -0.01em;
}
.pillar p { color: rgba(255, 255, 255, 0.72); font-size: 0.94rem; line-height: 1.5; }

/* EDITORIAL HIGHLIGHT (smaller dark block) */

.editorial-highlight {
  background: var(--ink-deep); color: var(--paper);
  padding: clamp(2.5rem, 5vw, 4.5rem);
  position: relative; overflow: hidden;
  border: 1px solid var(--ink-deep);
}
.editorial-highlight::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 4px; height: 100%; background: var(--accent);
}
.editorial-highlight::after {
  content: ''; position: absolute; bottom: -50px; right: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 70%);
  opacity: 0.15; pointer-events: none;
}
.editorial-highlight h3 { color: var(--paper); margin-bottom: 1rem; }
.editorial-highlight p { color: rgba(255, 255, 255, 0.8); }
.editorial-highlight .eyebrow { color: var(--gold); }

/* FEATURED PUBLICATIONS */

.pub-featured {
  display: grid; grid-template-columns: 1fr; gap: 0;
  border-top: 2px solid var(--ink);
}
.pub-row {
  display: grid; grid-template-columns: 1fr; gap: 0.5rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid var(--hairline);
  transition: background 0.2s ease;
}
.pub-row:hover { background: rgba(107, 35, 35, 0.03); }
@media (min-width: 900px) {
  .pub-row {
    grid-template-columns: 80px minmax(0, 1.6fr) minmax(0, 1fr) auto;
    gap: 2rem; align-items: baseline; padding: 1.8rem 0.5rem;
  }
}
.pub-year {
  font-family: var(--mono); font-size: 0.82rem;
  color: var(--accent); font-weight: 500; white-space: nowrap;
}
.pub-title {
  font-family: var(--serif); font-weight: 450;
  font-size: 1.08rem; line-height: 1.32;
  letter-spacing: -0.008em; color: var(--ink);
}
.pub-title em { font-style: italic; }
.pub-venue {
  font-family: var(--sans); font-size: 0.88rem;
  color: var(--ink-soft); font-style: italic;
}
.pub-venue strong { font-weight: 500; font-style: normal; color: var(--accent); margin-right: 0.5rem; }
.pub-doi {
  font-family: var(--mono); font-size: 0.78rem;
  color: var(--ink-muted); white-space: nowrap;
}
.pub-tag {
  display: inline-block; padding: 2px 8px;
  background: rgba(107, 35, 35, 0.1); color: var(--accent);
  font-family: var(--mono); font-size: 0.68rem;
  letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 2px; margin-right: 0.5rem; margin-bottom: 0.3rem;
}
.pub-tag-gold { background: rgba(166, 139, 63, 0.14); color: var(--gold); }

/* SPEAKING TIMELINE */

.timeline { list-style: none; border-left: 1px solid var(--hairline); padding-left: 2rem; }
.timeline li { padding: 0 0 2rem 0; position: relative; }
.timeline li::before {
  content: ''; position: absolute; left: -2.4rem; top: 6px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--accent);
}
.timeline li.past::before { background: var(--accent); }
.timeline li.upcoming::before { background: var(--gold); border-color: var(--gold); }
.timeline-date {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 0.4rem;
}
.timeline-title {
  font-family: var(--serif); font-weight: 450;
  font-size: 1.2rem; letter-spacing: -0.01em;
  color: var(--ink); margin-bottom: 0.35rem;
}
.timeline-venue { font-size: 0.95rem; color: var(--ink-soft); }

/* SERVICES GRID */

.grid-3 {
  display: grid; grid-template-columns: 1fr; gap: 0;
  border-top: 1px solid var(--hairline);
}
@media (min-width: 860px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.svc {
  padding: 2.5rem 2rem 2.5rem 0;
  border-bottom: 1px solid var(--hairline); position: relative;
}
@media (min-width: 860px) {
  .svc { padding: 2.5rem 2rem; border-bottom: none; border-right: 1px solid var(--hairline); }
  .svc:last-child { border-right: none; padding-right: 0; }
  .svc:first-child { padding-left: 0; }
}
.svc-num {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.18em; color: var(--ink-muted); margin-bottom: 1.2rem;
}

/* PROFILE CARD */

.profile { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: start; }
@media (min-width: 860px) { .profile { grid-template-columns: 1fr 1.25fr; gap: 4rem; } }
.profile-card {
  background: var(--paper-soft); border: 1px solid var(--hairline);
  padding: 2rem; position: relative;
}
.profile-card::before {
  content: ''; position: absolute; top: -1px; left: -1px;
  width: 40px; height: 40px;
  border-top: 2px solid var(--accent); border-left: 2px solid var(--accent);
}
.profile-card::after {
  content: ''; position: absolute; bottom: -1px; right: -1px;
  width: 40px; height: 40px;
  border-bottom: 2px solid var(--accent); border-right: 2px solid var(--accent);
}
.profile-card dl {
  display: grid; grid-template-columns: auto 1fr;
  gap: 0.7rem 1.2rem; font-size: 0.92rem;
}
.profile-card dt {
  font-family: var(--mono); font-size: 0.7rem;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--ink-muted); padding-top: 3px;
}
.profile-card dd { color: var(--ink); }

/* CREDENTIALS */

.cred-list { list-style: none; border-top: 1px solid var(--hairline); }
.cred-list li {
  display: grid; grid-template-columns: 1fr;
  padding: 1.2rem 0; border-bottom: 1px solid var(--hairline-soft); gap: 0.3rem;
}
@media (min-width: 700px) {
  .cred-list li { grid-template-columns: 140px 1fr 280px; gap: 2rem; align-items: baseline; }
}
.cred-list .yr {
  font-family: var(--mono); font-size: 0.78rem;
  letter-spacing: 0.1em; color: var(--accent); font-weight: 500;
}
.cred-list .what {
  font-family: var(--serif); font-weight: 400;
  font-size: 1.08rem; color: var(--ink); letter-spacing: -0.005em;
}
.cred-list .where {
  font-size: 0.88rem; color: var(--ink-soft); font-style: italic;
}

/* TABLES */

.pub-table { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); font-size: 0.92rem; }
.pub-table th {
  text-align: left; padding: 1rem 1rem 1rem 0;
  font-family: var(--mono); font-weight: 500;
  font-size: 0.7rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-muted);
  border-bottom: 1px solid var(--hairline); vertical-align: top;
}
.pub-table td {
  padding: 1.2rem 1rem 1.2rem 0;
  border-bottom: 1px solid var(--hairline-soft);
  vertical-align: top; color: var(--ink);
}
.pub-table td.yr {
  font-family: var(--mono); font-size: 0.82rem;
  color: var(--accent); font-weight: 500;
  white-space: nowrap; width: 90px;
}
.pub-table td.title {
  font-family: var(--serif); font-weight: 450;
  font-size: 1.02rem; line-height: 1.35; letter-spacing: -0.005em;
}
.pub-table td.venue {
  color: var(--ink-soft); font-style: italic;
  font-size: 0.9rem; width: 220px;
}
.pub-table td.doi {
  font-family: var(--mono); font-size: 0.78rem; width: 180px;
}

.scholar-links {
  display: flex; gap: 1rem; padding: 1.5rem 0;
  flex-wrap: wrap; font-family: var(--mono);
  font-size: 0.78rem; letter-spacing: 0.08em;
}
.scholar-links a {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 1rem; border: 1px solid var(--hairline);
  color: var(--ink); text-transform: uppercase; transition: all 0.2s ease;
}
.scholar-links a:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* FORMS */

.form-field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.form-field label {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-muted);
}
.form-field input,
.form-field textarea,
.form-field select {
  font-family: var(--sans); font-size: 1rem;
  padding: 0.85rem 0; background: transparent; border: none;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink); transition: border-color 0.2s ease;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus { outline: none; border-bottom-color: var(--accent); }
.form-field textarea { resize: vertical; min-height: 120px; }

.consent {
  display: flex; gap: 0.8rem; align-items: flex-start;
  margin: 1.5rem 0; font-size: 0.82rem;
  color: var(--ink-soft); line-height: 1.5;
}
.consent input { margin-top: 3px; accent-color: var(--accent); }

.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; }
@media (min-width: 860px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 5rem; } }

/* FOOTER */

footer.site-footer {
  background: var(--ink-deep); color: var(--paper);
  padding: clamp(3rem, 6vw, 5rem) 0 2rem;
  margin-top: 4rem; position: relative; overflow: hidden;
}
footer.site-footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--gold) 50%, var(--accent) 100%);
}
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 2.5rem;
  padding-bottom: 3rem; border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; } }
.footer-grid h5 {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1.2rem; font-weight: 500;
}
.footer-grid a { color: rgba(255, 255, 255, 0.72); display: block; padding: 0.3rem 0; font-size: 0.9rem; }
.footer-grid a:hover { color: var(--paper); }
.footer-grid p { color: rgba(255, 255, 255, 0.65); font-size: 0.9rem; }
.footer-brand {
  font-family: var(--serif); font-size: 1.5rem;
  font-weight: 500; letter-spacing: -0.02em;
  color: var(--paper); margin-bottom: 0.8rem;
}
.footer-brand em { font-style: italic; color: var(--paper); font-weight: 300; }
.footer-brand em.brand-us { font-weight: 600; color: var(--accent); }
.footer-base {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 2rem; flex-wrap: wrap; gap: 1rem;
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.12em; color: rgba(255, 255, 255, 0.5); text-transform: uppercase;
}
.legal-disclaimer {
  font-family: var(--sans); font-size: 0.78rem;
  line-height: 1.5; color: rgba(255, 255, 255, 0.55);
  max-width: 720px; margin-top: 1.5rem;
  text-transform: none; letter-spacing: 0.01em;
}

/* MOTION */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.25s; }
.delay-3 { animation-delay: 0.4s; }
.delay-4 { animation-delay: 0.55s; }
.delay-5 { animation-delay: 0.7s; }

.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); }
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* UTILITY */

.stack > * + * { margin-top: 1rem; }
.stack-lg > * + * { margin-top: 2rem; }
.mono { font-family: var(--mono); }
.text-muted { color: var(--ink-muted); }
.text-soft { color: var(--ink-soft); }
.text-accent { color: var(--accent); }
.text-serif { font-family: var(--serif); }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }
.mt-2 { margin-top: 1rem; }
.mt-4 { margin-top: 2rem; }

.pull-quote {
  font-family: var(--serif); font-weight: 300;
  font-variation-settings: "opsz" 72, "SOFT" 60;
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  line-height: 1.22; letter-spacing: -0.02em;
  padding: 2rem 0 2rem 2.5rem;
  border-left: 3px solid var(--accent);
  margin: 3rem 0; color: var(--ink);
}
.pull-quote::before { content: '"'; color: var(--accent); font-weight: 300; }
.pull-quote::after { content: '"'; color: var(--accent); font-weight: 300; }

/* SERVICE PAGE */

.svc-full {
  display: grid; grid-template-columns: 1fr; gap: 2rem;
  padding: 4rem 0; border-bottom: 1px solid var(--hairline);
}
@media (min-width: 860px) { .svc-full { grid-template-columns: 200px 1fr; gap: 4rem; } }
.svc-full:last-child { border-bottom: none; }
.svc-full ul { list-style: none; margin-top: 1rem; }
.svc-full ul li {
  padding: 0.6rem 0 0.6rem 1.5rem; position: relative;
  font-size: 0.96rem; color: var(--ink-soft);
  border-bottom: 1px solid var(--hairline-soft);
}
.svc-full ul li::before {
  content: ''; position: absolute; left: 0; top: 1.1rem;
  width: 8px; height: 1px; background: var(--accent);
}

/* FRAMEWORK PAGE */

.framework {
  padding: 3rem 0; border-bottom: 1px solid var(--hairline);
  display: grid; grid-template-columns: 1fr; gap: 1.5rem;
}
@media (min-width: 860px) { .framework { grid-template-columns: 220px 1fr; gap: 3rem; } }
.framework:last-child { border-bottom: none; }
.framework-meta {
  font-family: var(--mono); font-size: 0.72rem;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--ink-muted);
}
.framework-meta strong { color: var(--accent); display: block; margin-bottom: 0.4rem; }

.arch-diagram {
  display: block; margin: 3rem auto;
  max-width: 100%; width: 100%;
  filter: drop-shadow(0 10px 30px rgba(26, 23, 20, 0.08));
}


/* SOCIAL ICONS (footer) */

.social-icons {
  display: flex; gap: 0.9rem;
  margin-top: 1.5rem;
  align-items: center;
}
.social-icons a {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  color: var(--paper);
  transition: all 0.2s ease;
  background: transparent;
}
.social-icons a:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(239, 131, 32, 0.08);
  transform: translateY(-2px);
}
.social-icons svg { display: block; }

/* Make Privacy / Terms / Disclaimer links readable */
.footer-base a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-base a:hover { color: var(--accent); }


/* Distinguish personal X account with subtle dot indicator */
.social-icons a.personal {
  position: relative;
}
.social-icons a.personal::after {
  content: '';
  position: absolute;
  bottom: 2px; right: 2px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--ink-deep);
}


/* ============ LINKEDIN-STYLE CREDENTIAL LIST (cred-list-rich) ============ */

.cred-list-rich {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cred-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--hairline);
  align-items: start;
}

.cred-item:first-child { border-top: none; padding-top: 0; }

.cred-logo {
  width: 56px; height: 56px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

/* Institutional color tiles */
.cred-logo-hms     { background: #A41F36; }     /* Harvard crimson */
.cred-logo-harvard { background: #8C1515; }     /* HarvardX darker */
.cred-logo-jhu     { background: #002D72; }     /* JHU navy */
.cred-logo-bu      { background: #CC0000; }     /* BU scarlet */
.cred-logo-ucsd    { background: #182B49; }     /* UCSD navy */
.cred-logo-nih     { background: #20558A; }     /* NIH blue */
.cred-logo-mit     { background: #1A1A1A; }     /* MIT black */
.cred-logo-neu     { background: #C8102E; }     /* Northeastern red */
.cred-logo-generic {
  background: var(--paper-darker);
  color: var(--ink-soft);
  border: 1px solid var(--hairline);
}

.cred-body { min-width: 0; }

.cred-title {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  font-size: 1.08rem;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 0.25rem;
}

.cred-institution {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.92rem;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.cred-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.cred-meta .cred-date { color: var(--accent); font-weight: 500; }
.cred-meta .cred-id { color: var(--ink-soft); }

.cred-desc {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: 65ch;
}

.cred-desc em {
  font-style: italic;
  color: var(--ink);
  font-weight: 500;
}

/* Mobile: stack logo above text */
@media (max-width: 640px) {
  .cred-item {
    grid-template-columns: 1fr;
    gap: 0.8rem;
  }
  .cred-logo {
    width: 48px; height: 48px;
    font-size: 0.72rem;
  }
}

/* Image-based institutional logos inside cred-logo tile */
.cred-logo img {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
}

.cred-logo:has(img) {
  background: transparent;
  padding: 0;
  border: none;
}

@media (max-width: 640px) {
  .cred-logo img {
    width: 48px;
    height: 48px;
  }
}

/* ============ LANG TOGGLE ============ */
.lang-toggle {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--hairline-strong, #c8bfb0);
  border-radius: 3px;
  color: var(--ink-soft, #6b6560);
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }