/*
Theme Name:  LuJoGre v3
Theme URI:   https://lujogre.com
Author:      Luis Gonzalez
Description: lujogre.com — Snowflake Advanced Certified Architect, Principal Data & AI Architect, Professor, Researcher.
Version:     3.0.0
License:     GNU General Public License v2 or later
Text Domain: lujogre
*/

/* ─────────────────────────────────────
   CUSTOM PROPERTIES
───────────────────────────────────── */
:root {
  --blue:       #29B5E8;
  --blue-hover: #1ea4d5;
  --navy:       #0B2D55;
  --navy-mid:   #0D3B6E;
  --teal:       #00C7B1;
  --gold:       #B8860B;
  --gold-light: #D4A017;

  --text:       #1a1f2e;
  --text-sec:   #4a5468;
  --text-muted: #8898aa;

  --bg:         #ffffff;
  --bg-alt:     #f7f9fc;
  --bg-subtle:  #eef2f7;

  --border:     #e2e8f0;
  --border-mid: #cbd5e0;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;

  --max-w: 1140px;
  --nav-h: 68px;

  --serif: 'DM Serif Display', Georgia, serif;
  --sans:  'Outfit', 'Segoe UI', system-ui, sans-serif;
  --mono:  'Fira Code', Consolas, monospace;
}

/* ─────────────────────────────────────
   RESET & BASE
───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color .15s; }
a:hover { color: var(--navy); }
button { cursor: pointer; font-family: var(--sans); }

/* ─────────────────────────────────────
   TYPOGRAPHY
───────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--serif); line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(2rem,   5vw,   3rem); }
h2 { font-size: clamp(1.55rem,3.5vw, 2.1rem); }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }
p  { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

.eyebrow {
  font-family: var(--sans);
  font-size: .67rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: .5rem;
}
.eyebrow--gold { color: var(--gold-light); }
.eyebrow--teal { color: var(--teal); }

.section-title { font-family: var(--serif); font-size: clamp(1.5rem,3vw,2rem); margin-bottom: 1.5rem; }

/* ─────────────────────────────────────
   LAYOUT
───────────────────────────────────── */
.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section     { padding: 72px 0; }
.section--sm { padding: 48px 0; }
.section--dark   { background: var(--navy); color: #fff; }
.section--alt    { background: var(--bg-alt); }
.section--border { border-top: 1px solid var(--border); }
.text-center     { text-align: center; }

/* ─────────────────────────────────────
   NAVIGATION
───────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--navy);
  z-index: 1000;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: box-shadow .2s;
}
.site-header .container { display: flex; align-items: center; height: 100%; }
.site-logo { display: flex; align-items: center; margin-right: auto; flex-shrink: 0; text-decoration: none; }
.site-logo img { height: 40px; width: auto; }

.main-nav { display: flex; align-items: center; gap: 1px; }
.main-nav a {
  font-size: .76rem; color: rgba(255,255,255,.65);
  padding: 6px 10px; border-radius: var(--r-md);
  text-decoration: none; white-space: nowrap;
  transition: background .15s, color .15s;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  background: rgba(41,181,232,.15); color: var(--blue);
}

.nav-cta {
  margin-left: 10px; background: var(--blue);
  color: #fff; font-size: .74rem; font-weight: 600;
  padding: 7px 15px; border-radius: var(--r-md);
  text-decoration: none; white-space: nowrap;
  transition: background .15s, transform .12s;
}
.nav-cta:hover { background: var(--blue-hover); transform: translateY(-1px); color: #fff; }

.nav-toggle {
  display: none; background: none; border: none;
  flex-direction: column; gap: 5px; padding: 8px;
  color: #fff; margin-left: auto;
}
.nav-toggle span { display: block; width: 22px; height: 1.5px; background: currentColor; border-radius: 2px; transition: .2s; }

.page-content-wrap { margin-top: var(--nav-h); }

/* ─────────────────────────────────────
   BUTTONS
───────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--sans); font-weight: 600; font-size: .875rem;
  padding: 11px 22px; border-radius: var(--r-md); border: none;
  text-decoration: none; transition: all .15s; line-height: 1; cursor: pointer;
}
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: var(--blue-hover); transform: translateY(-1px); color: #fff; }
.btn--ghost   { background: transparent; color: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.25); }
.btn--ghost:hover { background: rgba(255,255,255,.07); color: #fff; }
.btn--outline { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn--outline:hover { background: var(--blue); color: #fff; }
.btn--gold    { background: var(--gold-light); color: #fff; }
.btn--gold:hover { background: var(--gold); transform: translateY(-1px); }
.btn-group    { display: flex; gap: 10px; flex-wrap: wrap; }

/* ─────────────────────────────────────
   HERO
───────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, #08213f 0%, var(--navy-mid) 55%, #0a4f7a 100%);
  padding: 96px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; right: -80px; top: -80px;
  width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(41,181,232,.09) 0%, transparent 65%);
  pointer-events: none;
}
.hero__inner    { position: relative; z-index: 1; max-width: 680px; }
.hero__title    { font-family: var(--serif); font-size: clamp(2.1rem,5.5vw,3.3rem); color: #fff; line-height: 1.15; margin-bottom: .75rem; }
.hero__title em { color: var(--blue); font-style: normal; }
.hero__sub      { font-size: 1.05rem; color: rgba(255,255,255,.62); max-width: 560px; margin-bottom: 2rem; line-height: 1.7; }
.hero__actions  { display: flex; gap: 12px; flex-wrap: wrap; }

/* Credential strip */
.cred-strip {
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.cred-strip .container {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; flex-wrap: wrap;
}
.cred-strip__item {
  font-size: .74rem; font-weight: 500; color: var(--text-sec);
  letter-spacing: .02em;
}
.cred-strip__dot {
  width: 3px; height: 3px; border-radius: 50%;
  background: var(--border-mid); flex-shrink: 0;
}
.cred-strip__item--blue { color: var(--blue); font-weight: 600; }

/* ─────────────────────────────────────
   CARDS
───────────────────────────────────── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

.card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 28px 24px;
  transition: box-shadow .2s, border-color .2s, transform .2s;
}
.card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.07); border-color: rgba(41,181,232,.28); transform: translateY(-2px); }
.card__eyebrow { font-size: .65rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; display: block; }
.card__title   { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; color: var(--text); font-family: var(--sans); }
.card__desc    { font-size: .875rem; color: var(--text-sec); line-height: 1.65; margin: 0; }
.card__link    { display: inline-block; margin-top: 16px; font-size: .78rem; font-weight: 600; color: var(--blue); letter-spacing: .02em; border-bottom: 1px solid rgba(41,181,232,.3); padding-bottom: 1px; transition: border-color .15s; }
.card__link:hover { border-color: var(--blue); }

/* ─────────────────────────────────────
   POST CARDS
───────────────────────────────────── */
.post-card { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; transition: box-shadow .2s, transform .2s; background: var(--bg); }
.post-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.07); transform: translateY(-2px); }
.post-card__thumb { height: 140px; background: var(--bg-alt); }
.post-card__thumb--blue   { background: linear-gradient(135deg,#042C53,#185FA5); }
.post-card__thumb--teal   { background: linear-gradient(135deg,#04342C,#1D9E75); }
.post-card__thumb--amber  { background: linear-gradient(135deg,#412402,#BA7517); }
.post-card__thumb--slate  { background: linear-gradient(135deg,#1e293b,#334155); }
.post-card__thumb--navy   { background: linear-gradient(135deg,#0B2D55,#185FA5); }
.post-card__body     { padding: 20px; }
.post-card__cat      { font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--blue); display: block; margin-bottom: 6px; }
.post-card__title    { font-size: .95rem; font-weight: 600; line-height: 1.4; margin-bottom: 8px; color: var(--text); font-family: var(--sans); }
.post-card__title a  { color: inherit; }
.post-card__meta     { font-size: .75rem; color: var(--text-muted); }

/* ─────────────────────────────────────
   PORTFOLIO CARDS
───────────────────────────────────── */
.portfolio-card { border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; transition: box-shadow .2s, border-color .2s, transform .2s; }
.portfolio-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.07); border-color: rgba(41,181,232,.3); transform: translateY(-2px); }
.portfolio-card__visual { height: 130px; display: flex; align-items: center; justify-content: center; font-size: .92rem; font-weight: 600; padding: 0 20px; text-align: center; line-height: 1.4; color: rgba(255,255,255,.82); font-family: var(--sans); }
.portfolio-card__visual--blue   { background: linear-gradient(135deg,#042C53,#185FA5); }
.portfolio-card__visual--green  { background: linear-gradient(135deg,#04342C,#1D9E75); }
.portfolio-card__visual--purple { background: linear-gradient(135deg,#2d2472,#6b64cc); }
.portfolio-card__visual--slate  { background: linear-gradient(135deg,#1e293b,#334155); }
.portfolio-card__body    { padding: 18px; background: var(--bg-alt); }
.portfolio-card__title   { font-size: .9rem; font-weight: 600; margin-bottom: 5px; font-family: var(--sans); color: var(--text); }
.portfolio-card__outcome { font-size: .8rem; color: var(--text-sec); margin-bottom: 10px; }
.tech-list { display: flex; flex-wrap: wrap; gap: 5px; }
.tech-pill { font-size: .67rem; background: var(--bg); border: 1px solid var(--border-mid); border-radius: var(--r-sm); padding: 2px 8px; color: var(--text-sec); }

/* ─────────────────────────────────────
   PUBLICATION CARDS
───────────────────────────────────── */
.pub-list { display: flex; flex-direction: column; gap: 1px; }
.pub-card {
  display: flex; gap: 20px; padding: 20px;
  border: 1px solid var(--border); background: var(--bg);
  transition: border-color .15s;
}
.pub-list .pub-card:first-child { border-radius: var(--r-lg) var(--r-lg) 0 0; }
.pub-list .pub-card:last-child  { border-radius: 0 0 var(--r-lg) var(--r-lg); }
.pub-list .pub-card:not(:last-child) { border-bottom: none; }
.pub-card:hover { border-color: rgba(41,181,232,.3); z-index: 1; position: relative; }
.pub-card__year  { font-size: .7rem; font-weight: 700; color: var(--blue); background: rgba(41,181,232,.08); border-radius: var(--r-sm); padding: 3px 8px; white-space: nowrap; align-self: flex-start; margin-top: 2px; flex-shrink: 0; }
.pub-card__venue { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); margin-bottom: 5px; }
.pub-card__title { font-size: .92rem; font-weight: 600; color: var(--text); margin-bottom: 6px; line-height: 1.4; }
.pub-card__desc  { font-size: .82rem; color: var(--text-sec); line-height: 1.6; }

/* ─────────────────────────────────────
   UNIVERSITY CARDS
───────────────────────────────────── */
.uni-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.uni-card {
  padding: 22px; background: var(--bg-alt);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  border-left: 3px solid var(--blue);
}
.uni-card__role    { font-size: .67rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--blue); margin-bottom: 4px; }
.uni-card__name    { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 4px; font-family: var(--sans); }
.uni-card__tenure  { font-size: .75rem; color: var(--text-muted); margin-bottom: 10px; }
.uni-card__courses { font-size: .84rem; color: var(--text-sec); line-height: 1.6; }

/* ─────────────────────────────────────
   SPEAKING / EVENTS
───────────────────────────────────── */
.speak-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.speak-card { padding: 28px 22px; border: 1px solid var(--border); border-radius: var(--r-lg); transition: border-color .2s; }
.speak-card:hover { border-color: rgba(41,181,232,.3); }
.speak-card__name { font-size: 1rem; font-weight: 600; margin-bottom: 10px; font-family: var(--sans); }
.speak-card__desc { font-size: .875rem; color: var(--text-sec); line-height: 1.6; }

.talk-list { display: flex; flex-direction: column; gap: 1px; }
.talk-row {
  display: flex; align-items: center; gap: 16px; padding: 16px 18px;
  border: 1px solid var(--border); background: var(--bg-alt);
  transition: border-color .15s;
}
.talk-list .talk-row:first-child { border-radius: var(--r-lg) var(--r-lg) 0 0; }
.talk-list .talk-row:last-child  { border-radius: 0 0 var(--r-lg) var(--r-lg); }
.talk-list .talk-row:not(:last-child) { border-bottom: none; }
.talk-row:hover { border-color: rgba(41,181,232,.3); z-index: 1; position: relative; }
.talk-date { text-align: center; min-width: 48px; background: var(--navy); border-radius: var(--r-md); padding: 7px 8px; flex-shrink: 0; }
.talk-date__month { font-size: .6rem; color: var(--blue); font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.talk-date__day   { font-size: 1.3rem; font-weight: 700; color: #fff; line-height: 1; }
.talk-info        { flex: 1; }
.talk-info__title { font-size: .92rem; font-weight: 500; margin-bottom: 2px; color: var(--text); }
.talk-info__venue { font-size: .78rem; color: var(--text-sec); }
.status-pill { font-size: .68rem; font-weight: 600; padding: 3px 10px; border-radius: 20px; flex-shrink: 0; }
.status-pill--confirmed { background: rgba(41,181,232,.1);  color: var(--blue); }
.status-pill--upcoming  { background: rgba(0,199,177,.1);   color: var(--teal); }
.status-pill--past      { background: rgba(136,152,170,.1); color: var(--text-muted); }

/* ─────────────────────────────────────
   SNOWFLAKE PAGE
───────────────────────────────────── */
.snow-hero { background: linear-gradient(135deg,#08213f 0%,var(--navy-mid) 55%,#0a4f7a 100%); padding: 64px 0 52px; }
.snow-hero__inner { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.snow-hero__mark  { width: 68px; height: 68px; flex-shrink: 0; }
.snow-hero__mark svg { width: 100%; height: 100%; }
.snow-hero__title { color: #fff; font-size: 2rem; margin-bottom: .5rem; font-family: var(--serif); }
.snow-hero__sub   { color: rgba(255,255,255,.58); max-width: 540px; line-height: 1.65; font-size: 1rem; }

.snow-tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }
.snow-tabs a { font-size: .8rem; padding: 11px 16px; color: var(--text-sec); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color .15s, border-color .15s; white-space: nowrap; }
.snow-tabs a:hover, .snow-tabs a.active { color: var(--blue); border-bottom-color: var(--blue); }

/* ─────────────────────────────────────
   TIMELINE
───────────────────────────────────── */
.timeline { border-left: 1.5px solid var(--border); padding-left: 24px; }
.tl-item  { position: relative; margin-bottom: 22px; }
.tl-item::before { content: ''; position: absolute; left: -30px; top: 5px; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); border: 2px solid var(--bg); }
.tl-year  { font-size: .68rem; font-weight: 700; color: var(--blue); margin-bottom: 3px; letter-spacing: .04em; }
.tl-title { font-size: .95rem; font-weight: 600; margin-bottom: 2px; color: var(--text); }
.tl-sub   { font-size: .82rem; color: var(--text-sec); line-height: 1.55; }

/* ─────────────────────────────────────
   WORK WITH ME (CONTACT)
───────────────────────────────────── */
.engagement-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-bottom: 3rem; }
.engagement-card {
  padding: 24px; border: 1px solid var(--border);
  border-radius: var(--r-lg); background: var(--bg);
  transition: border-color .2s, box-shadow .2s;
}
.engagement-card:hover { border-color: rgba(41,181,232,.3); box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.engagement-card__num   { font-size: .67rem; font-weight: 700; letter-spacing: .18em; color: var(--blue); margin-bottom: 10px; display: block; }
.engagement-card__title { font-size: 1rem; font-weight: 600; margin-bottom: 8px; color: var(--text); font-family: var(--sans); }
.engagement-card__desc  { font-size: .875rem; color: var(--text-sec); line-height: 1.6; margin-bottom: 12px; }
.engagement-card__for   { font-size: .75rem; color: var(--text-muted); font-style: italic; }

.contact-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 48px; }
.form-group   { margin-bottom: 16px; }
.form-group label { display: block; font-size: .78rem; font-weight: 500; color: var(--text-sec); margin-bottom: 5px; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; background: var(--bg-alt);
  border: 1px solid var(--border-mid); border-radius: var(--r-md);
  padding: 10px 13px; font-size: .9rem; font-family: var(--sans);
  color: var(--text); transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(41,181,232,.1); }
.form-group textarea { height: 120px; resize: vertical; }
.required { color: #e24b4a; margin-left: 2px; }

.contact-info-list { display: flex; flex-direction: column; gap: 0; }
.contact-info-row {
  display: flex; flex-direction: column; padding: 13px 15px;
  border: 1px solid var(--border); border-bottom: none;
  background: var(--bg-alt); text-decoration: none; color: inherit; transition: border-color .15s;
}
.contact-info-row:first-child { border-radius: var(--r-lg) var(--r-lg) 0 0; }
.contact-info-row:last-child  { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--r-lg) var(--r-lg); }
.contact-info-row:hover       { border-color: rgba(41,181,232,.35); z-index: 1; position: relative; }
.contact-info-row__label { font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--text-muted); margin-bottom: 2px; }
.contact-info-row__value { font-size: .875rem; color: var(--blue); }

.address-block { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px; margin-top: 16px; }
.address-block p { font-size: .875rem; color: var(--text-sec); margin-bottom: 3px; }

.contact-note { margin-top: 18px; padding: 13px 15px; background: rgba(41,181,232,.04); border: 1px solid rgba(41,181,232,.14); border-radius: var(--r-md); font-size: .82rem; color: var(--text-sec); line-height: 1.6; }
.contact-note a { color: var(--blue); }

/* ─────────────────────────────────────
   FOOTER
───────────────────────────────────── */
.site-footer { background: #060f1c; padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-logo { display: inline-block; margin-bottom: 14px; }
.footer-logo img { height: 36px; width: auto; }
.footer-desc { font-size: .83rem; color: rgba(255,255,255,.42); line-height: 1.65; max-width: 280px; }
.footer-col h4 { font-family: var(--sans); font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: rgba(255,255,255,.3); margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: .83rem; color: rgba(255,255,255,.42); text-decoration: none; transition: color .15s; }
.footer-col ul a:hover { color: var(--blue); }
.footer-col .footer-address { font-size: .83rem; color: rgba(255,255,255,.3); }
.footer-social-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.footer-social-link { font-size: .72rem; color: rgba(255,255,255,.38); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r-sm); padding: 3px 10px; text-decoration: none; transition: color .15s, border-color .15s; }
.footer-social-link:hover { color: var(--blue); border-color: rgba(41,181,232,.3); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding-top: 24px; display: flex; align-items: center; justify-content: space-between; }
.footer-bottom__copy  { font-size: .78rem; color: rgba(255,255,255,.3); }
.footer-bottom__creds { font-size: .7rem; color: rgba(255,255,255,.18); }

/* ─────────────────────────────────────
   ABOUT PAGE
───────────────────────────────────── */
.about-hero-row { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.about-avatar   { width: 100px; height: 100px; border-radius: 50%; overflow: hidden; flex-shrink: 0; border: 2px solid rgba(41,181,232,.4); }
.about-avatar img { width: 100%; height: 100%; object-fit: cover; }
.about-avatar-placeholder { width: 100px; height: 100px; border-radius: 50%; background: linear-gradient(135deg,var(--blue),var(--teal)); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 2rem; color: #fff; flex-shrink: 0; border: 2px solid rgba(41,181,232,.35); }
.about-hero-name  { color: #fff; font-size: 1.9rem; margin-bottom: 4px; }
.about-hero-role  { color: var(--blue); font-size: .88rem; font-weight: 500; margin-bottom: 12px; font-family: var(--sans); }
.about-tag-row    { display: flex; flex-wrap: wrap; gap: 6px; }
.about-tag        { font-size: .7rem; border: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.58); border-radius: var(--r-sm); padding: 3px 9px; }

.about-body-grid   { display: grid; grid-template-columns: 2fr 1fr; gap: 56px; align-items: start; }
.philosophy-block  { background: var(--bg-alt); border-left: 3px solid var(--blue); border-radius: 0 var(--r-lg) var(--r-lg) 0; padding: 24px 28px; margin: 2rem 0; }
.philosophy-block p { font-size: 1rem; color: var(--text-sec); line-height: 1.85; font-style: italic; margin: 0; }

.cred-list { display: flex; flex-direction: column; gap: 8px; }
.cred-card { padding: 13px 15px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--bg-alt); }
.cred-card__name   { font-size: .875rem; font-weight: 600; margin-bottom: 2px; color: var(--text); }
.cred-card__issuer { font-size: .75rem; color: var(--text-muted); }

.interests-block { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; margin-top: 2rem; }
.interests-label { font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--text-muted); margin-bottom: 14px; display: block; }
.interests-list  { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.interest-item   { font-size: .875rem; color: var(--text-sec); padding-left: 12px; border-left: 1.5px solid var(--border-mid); line-height: 1.45; }

/* ─────────────────────────────────────
   SPEAKING KIT PAGE
───────────────────────────────────── */
.bio-block { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 24px; margin-bottom: 16px; }
.bio-block__label { font-size: .67rem; font-weight: 700; text-transform: uppercase; letter-spacing: .14em; color: var(--blue); margin-bottom: 12px; display: block; }
.bio-block p { font-size: .95rem; color: var(--text-sec); line-height: 1.75; margin: 0; }

.topic-list { display: flex; flex-direction: column; gap: 0; }
.topic-row { display: flex; gap: 16px; padding: 18px; border: 1px solid var(--border); border-bottom: none; background: var(--bg); transition: border-color .15s; }
.topic-list .topic-row:first-child { border-radius: var(--r-lg) var(--r-lg) 0 0; }
.topic-list .topic-row:last-child  { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--r-lg) var(--r-lg); }
.topic-row:hover { border-color: rgba(41,181,232,.3); z-index: 1; position: relative; }
.topic-row__num   { font-size: .67rem; font-weight: 700; color: var(--blue); min-width: 20px; margin-top: 3px; flex-shrink: 0; }
.topic-row__title { font-size: .95rem; font-weight: 600; margin-bottom: 4px; color: var(--text); }
.topic-row__desc  { font-size: .84rem; color: var(--text-sec); line-height: 1.55; }

/* ─────────────────────────────────────
   HOME PAGE SPECIFIC
───────────────────────────────────── */
.home-about-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; align-items: center; }
.home-avatar-placeholder { width: 200px; height: 200px; border-radius: 50%; background: linear-gradient(135deg,var(--blue),var(--teal)); display: flex; align-items: center; justify-content: center; font-family: var(--serif); font-size: 3rem; color: #fff; margin: 0 auto; border: 3px solid rgba(41,181,232,.25); }
.home-avatar-img { border-radius: 50%; border: 3px solid rgba(41,181,232,.3); max-width: 200px; margin: 0 auto; display: block; }
.home-avatar-caption { margin-top: 14px; text-align: center; }
.home-avatar-name    { font-family: var(--serif); font-size: 1.05rem; color: var(--text); }
.home-avatar-meta    { font-size: .76rem; color: var(--text-muted); margin-top: 2px; }
.home-avatar-domain  { font-size: .74rem; color: var(--blue); font-weight: 500; margin-top: 2px; }

.section-cta { text-align: center; margin-top: 2.5rem; }

.domain-note { font-size: .8rem; color: var(--text-muted); text-align: center; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--border); }

/* ─────────────────────────────────────
   SINGLE POST CONTENT
───────────────────────────────────── */
.post-content { font-size: 1.025rem; line-height: 1.85; }
.post-content h2 { font-family: var(--serif); margin: 2.25rem 0 1rem; }
.post-content h3 { margin: 1.75rem 0 .75rem; }
.post-content p  { margin-bottom: 1.25rem; }
.post-content pre { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--r-md); padding: 1.25rem; overflow-x: auto; font-size: .875rem; margin-bottom: 1.5rem; font-family: var(--mono); }
.post-content code { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 3px; padding: 2px 6px; font-size: .88em; font-family: var(--mono); }
.post-content pre code { background: none; border: none; padding: 0; }
.post-content blockquote { border-left: 2px solid var(--blue); padding-left: 1.25rem; margin: 1.5rem 0; color: var(--text-sec); }
.post-content img { border-radius: var(--r-md); margin: 1.5rem 0; }
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1.25rem; }
.post-content li { margin-bottom: .4rem; }
.post-content a  { color: var(--blue); }

/* ─────────────────────────────────────
   RESPONSIVE
───────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid      { grid-template-columns: 1fr 1fr; }
  .speak-grid       { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: var(--navy); padding: 12px 16px; gap: 4px; border-top: 1px solid rgba(255,255,255,.07); }
  .main-nav.is-open { display: flex; }
  .nav-toggle { display: flex; }
  .nav-cta    { margin-left: 0; }
  .hero       { padding: 72px 0 56px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .contact-grid   { grid-template-columns: 1fr; }
  .about-body-grid { grid-template-columns: 1fr; }
  .uni-grid       { grid-template-columns: 1fr; }
  .engagement-grid { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }
  .speak-grid     { grid-template-columns: 1fr; }
  .home-about-grid { grid-template-columns: 1fr; }
  .interests-list  { grid-template-columns: 1fr; }
  .footer-bottom   { flex-direction: column; gap: 10px; text-align: center; }
  .cred-strip .container { justify-content: flex-start; }
}
@media (max-width: 480px) {
  .hero__title { font-size: 1.85rem; }
}

/* ── v3 additions ────────────────────── */

/* Credential strip links */
.cred-strip__link {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
  transition: color .15s;
}
.cred-strip__link:hover { color: var(--navy); }
.cred-strip__sep {
  color: var(--border-mid);
  margin: 0 4px;
  font-size: .7rem;
}

/* University card name link */
.uni-card__name a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(41,181,232,.3);
  padding-bottom: 1px;
  transition: border-color .15s;
}
.uni-card__name a:hover { border-color: var(--blue); color: var(--navy); }

/* ── Book Cards ─────────────────────── */
.books-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 1.5rem;
}
.book-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-alt);
  transition: border-color .2s, box-shadow .2s;
  text-decoration: none;
  color: inherit;
}
.book-card:hover {
  border-color: rgba(41,181,232,.35);
  box-shadow: 0 4px 16px rgba(0,0,0,.07);
}
.book-card__cover {
  width: 80px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.15);
}
.book-card__cover img {
  width: 100%;
  height: auto;
  display: block;
}
.book-card__body { flex: 1; }
.book-card__lang {
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
  margin-bottom: 5px;
}
.book-card__title {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 4px;
  line-height: 1.3;
}
.book-card__subtitle {
  font-size: .8rem;
  color: var(--text-sec);
  line-height: 1.5;
  margin-bottom: 10px;
}
.book-card__link {
  font-size: .75rem;
  font-weight: 600;
  color: var(--blue);
  border-bottom: 1px solid rgba(41,181,232,.3);
  padding-bottom: 1px;
  transition: border-color .15s;
}
.book-card__link:hover { border-color: var(--blue); }

@media (max-width: 640px) {
  .books-grid { grid-template-columns: 1fr; }
}