/* ===== Carlos Bolivar — matched to carlosbolivar.info ===== */
:root{
  --blue:#1C4E87;       /* hero band */
  --bright:#176BE0;     /* footer + accents */
  --link:#0a3d8f;       /* darker blue for text links */
  --ink:#0D131A;        /* dark text */
  --gray:#5a6472;
  --light:#eceff3;      /* alt section background */
  --border:#e2e6ec;
  --maxw:1120px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Nunito Sans","Inter",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Nunito","Nunito Sans",sans-serif;font-weight:700;color:var(--ink);line-height:1.2;}
a{color:var(--link);text-decoration:none;}
a:hover{text-decoration:underline;}
.brand{font-family:"Montserrat","Nunito",sans-serif;font-weight:700;letter-spacing:.005em;}
img{max-width:100%;display:block;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== Navbar ===== */
.navbar{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--border);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:84px;}
.nav-logo img{height:26px;width:auto;}
.nav-links{display:flex;gap:34px;list-style:none;margin:0;padding:0;align-items:center;}
.nav-links a{color:var(--ink);font-weight:600;font-size:19px;padding:4px 0;border-bottom:2px solid transparent;transition:border-color .15s,color .15s;}
.nav-links a:hover{text-decoration:none;color:var(--link);}
.nav-links a.active{border-color:var(--ink);}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:6px 0;transition:.2s;}

/* ===== Home hero (blue band) ===== */
.hero{background:var(--blue);color:#fff;padding:56px 0;}
.hero-grid{display:grid;grid-template-columns:auto 1fr;gap:64px;align-items:center;}
.hero-photo{width:340px;max-width:38vw;height:auto;border-radius:4px;box-shadow:0 18px 44px rgba(0,0,0,.28);}
.hero-text{text-align:center;}
.hero-wordmark{width:min(460px,46vw);height:auto;margin:0 auto;}
.hero .subtitle{margin:14px 0 0;font-size:clamp(1.05rem,2.1vw,1.5rem);font-weight:400;color:#fff;}

/* ===== Home profile (Bianchi-style clean column) ===== */
.profile{padding:32px 0 52px;}
.profile .container{max-width:900px;}
.profile-top{display:flex;align-items:center;gap:52px;margin-bottom:42px;}
.profile-photo{width:200px;height:200px;flex-shrink:0;object-fit:cover;object-position:center;border-radius:50%;margin:0;box-shadow:0 10px 30px rgba(13,27,43,.16);}
.profile-top .latest-inner{flex:1;}
.profile-name{font-size:clamp(2rem,4vw,2.8rem);margin:0 0 22px;letter-spacing:-.01em;}
.profile-title{font-size:1.2rem;color:var(--gray);margin:0 0 26px;font-weight:600;}
.profile-bio{text-align:center;}
.profile-bio p{font-size:1.08rem;color:#2b3138;margin:0 0 14px;line-height:1.7;}
.profile-bio a{color:var(--link);font-weight:600;}
.profile-links{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:14px;margin-top:18px;}
.email-inline{color:var(--ink);font-weight:600;font-size:15px;}
.email-inline:hover{color:var(--link);text-decoration:none;}
.link-btn{display:inline-flex;align-items:center;gap:9px;padding:11px 22px;border:1px solid var(--border);border-radius:27px;font-weight:700;font-size:15px;color:var(--ink);background:#fff;transition:border-color .15s,color .15s,background .15s;}
.link-btn:hover{text-decoration:none;border-color:var(--link);color:var(--link);background:#f5f9ff;}
.link-btn svg{width:18px;height:18px;fill:currentColor;}
.latest-inner{flex:1;text-align:left;margin-top:0;}
.latest-title{font-size:1.5rem;margin:0 0 18px;}
.latest-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.latest-list a{color:var(--link);font-weight:600;}
.latest-list a:hover{text-decoration:underline;}
.mini-footer{border-top:1px solid var(--border);padding:26px 0;text-align:center;color:var(--gray);font-size:.88rem;}

/* ===== Sections ===== */
.section{padding:64px 0;}
.section-alt{background:var(--light);}
.section-center{text-align:center;}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:12px;font-weight:700;color:var(--gray);margin:0 0 6px;}
.section h2{font-size:2rem;margin:0 0 22px;}
.about-narrow{max-width:680px;margin:0 auto;}
.about-narrow p{color:#2b3138;font-size:1.05rem;margin:0 0 16px;}
.about-narrow a{color:var(--bright);font-weight:600;}
.campus-center{margin:30px auto 0;max-width:480px;}
.campus-center img{width:100%;border-radius:4px;}

/* ===== Buttons ===== */
.btn{display:inline-block;padding:12px 28px;border-radius:27px;font-family:"Inter",sans-serif;font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:background .15s,color .15s;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--bright);color:#fff;border-color:var(--bright);}
.btn-primary:hover{background:#0d1b2b;border-color:#0d1b2b;color:#fff;}
.btn-outline{background:transparent;color:var(--bright);border-color:var(--bright);}
.btn-outline:hover{background:var(--bright);color:#fff;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:8px;}

/* ===== Research ===== */
.page-label{font-size:14px;color:var(--gray);font-weight:600;margin:0 0 26px;}
.papers-title{text-align:center;font-size:2rem;margin:0 0 8px;}
.paper{border-top:1px solid var(--border);padding:42px 0;}
.paper:first-of-type{border-top:none;padding-top:18px;}
.paper h3{text-align:center;font-size:1.4rem;margin:0 0 4px;}
.paper .jmp-sub{text-align:center;color:var(--gray);font-weight:600;margin:0 0 22px;}
.paper .authors-c{text-align:center;color:var(--link);font-weight:700;font-size:.95rem;margin:0 0 22px;}
.paper h3 .rr{color:var(--link);white-space:nowrap;}
.paper h3 + .paper-body{margin-top:24px;}
.paper-body{display:grid;grid-template-columns:440px 1fr;gap:40px;align-items:center;}
.paper-body .fig img{display:block;width:auto;height:auto;max-width:100%;max-height:200px;margin:0 auto;border:1px solid var(--border);border-radius:6px;background:#fff;}
.paper-body .fig img[src*="fig-domestic-debt"]{max-height:168px;}
.paper-body .fig img[src*="fig-reserves"]{max-height:188px;}
.paper-body .fig img[src*="fig-macropru"]{max-height:224px;}
.paper-body .abstract{color:#2b3138;font-size:1rem;margin:0 0 16px;}
.paper-body .links{display:flex;flex-wrap:wrap;gap:22px;}
.paper-body .links a{font-weight:700;font-size:15px;color:var(--link);}
.paper-body .links a:hover{text-decoration:underline;}

.wip-list{list-style:none;padding:0;margin:0;text-align:center;}
.wip-list li{font-size:1.15rem;font-weight:600;color:var(--ink);}

/* ===== CV ===== */
.cv-head{background:var(--blue);color:#fff;padding:56px 0;}
.cv-head h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);margin:0;}
.cv-head .btn-row{justify-content:flex-start;margin-top:22px;}
.cv-head .btn-outline{color:#fff;border-color:#fff;}
.cv-head .btn-outline:hover{background:#fff;color:var(--blue);}
.cv-grid{display:grid;gap:40px;}
.cv-block h3{text-transform:uppercase;letter-spacing:.08em;font-size:15px;color:var(--bright);border-bottom:2px solid var(--border);padding-bottom:10px;margin:0 0 18px;}
.cv-entry{margin-bottom:18px;}
.cv-entry .role{font-weight:700;color:var(--ink);}
.cv-entry .org{color:var(--gray);}
.cv-entry .meta{color:#8a93a0;font-size:.9rem;}
.cv-tags{display:flex;flex-wrap:wrap;gap:10px;}
.cv-tags span{background:#fff;border:1px solid var(--border);border-radius:27px;padding:8px 18px;font-size:14px;color:var(--ink);font-weight:600;}
.refs{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:22px;}
.ref-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:22px;}
.ref-card .name{font-weight:700;color:var(--ink);margin-bottom:6px;}
.ref-card .meta{color:var(--gray);font-size:.9rem;line-height:1.5;}

/* ===== Contacts ===== */
.contact-hero{background:var(--blue);color:#fff;padding:64px 0;text-align:center;}
.contact-hero .eyebrow{color:rgba(255,255,255,.8);}
.contact-hero h1{color:#fff;font-size:clamp(1.9rem,4vw,2.8rem);margin:0;}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:26px;}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:32px;text-align:center;}
.contact-card .ic{width:54px;height:54px;display:grid;place-items:center;margin:0 auto 16px;background:#e7f0fd;border-radius:50%;color:var(--bright);}
.contact-card .ic svg{width:24px;height:24px;}
.contact-card h3{margin:0 0 8px;font-size:1.1rem;}
.contact-card p{margin:0;color:var(--gray);}

/* ===== Footer (bright blue) ===== */
.footer{background:var(--blue);color:#fff;padding:54px 0 30px;}
.footer a{color:#fff;}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:32px;}
.footer h4{color:#fff;margin:0 0 10px;}
.footer .big{font-size:1.7rem;}
.footer .contact-line{color:rgba(255,255,255,.92);margin:5px 0;}
.socials{display:flex;gap:14px;margin-top:14px;}
.socials a{width:40px;height:40px;display:grid;place-items:center;background:rgba(255,255,255,.18);border-radius:50%;transition:background .15s;}
.socials a:hover{background:rgba(255,255,255,.34);}
.socials svg{width:18px;height:18px;fill:#fff;}
.footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.25);font-size:.85rem;color:rgba(255,255,255,.85);text-align:center;}

/* ===== Responsive ===== */
@media (max-width:820px){
  .profile-top{flex-direction:column;gap:28px;}
  .profile-top .latest-inner{text-align:center;width:100%;}
  .hero-grid{grid-template-columns:1fr;gap:28px;text-align:center;justify-items:center;}
  .hero-photo{width:280px;max-width:80vw;}
  .paper-body{grid-template-columns:1fr;gap:20px;}
  .nav-toggle{display:block;}
  .nav-links{position:absolute;top:84px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 10px 24px rgba(13,27,43,.12);z-index:60;padding:8px 16px 16px;display:none;}
  .nav-links.open{display:flex;}
  .nav-links a{border-bottom:1px solid var(--border);}
  .nav-links a:last-child{border-bottom:0;}
  .nav-links a{padding:14px 0;}
}