/* Shared site styles (unified from index, research, teaching, experience, cv) */
:root{--ink:#1c1c2e;--paper:#f8f8ff;--blue:#2c4a8c;--blue-light:#5b7ec7;--muted:#5a6380;--rule:#cdd3e8;--accent:#1a3a7a;--highlight:#eef1fa}
,* ,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'EB Garamond',Georgia,serif;font-size:18px;line-height:1.6;min-height:100vh}
.wrapper{max-width:980px;margin:0 auto;padding:0 2rem;position:relative;z-index:1}

/* Nav */
nav{display:flex;align-items:center;padding:1rem 0;border-bottom:1px solid var(--rule);background:rgba(248,248,255,0.95)}
nav .wrapper{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.nav-name{font-family:'DM Mono',monospace;color:var(--blue);text-transform:uppercase;font-weight:700;font-size:0.9rem;letter-spacing:0.12em}
nav ul{margin-left:auto;display:flex;gap:1.2rem;list-style:none;padding:0}
nav a{font-family:'DM Mono',monospace;color:var(--muted);text-decoration:none;font-size:0.9rem;letter-spacing:0.08em;text-transform:uppercase;padding:0.2rem 0.1rem;transition:color 0.18s,transform 0.12s}
nav a:hover{color:var(--blue);transform:translateY(-1px)}
nav a.active{color:var(--blue);font-weight:700}

/* Header / hero */
header{display:grid;grid-template-columns:360px 1fr;gap:2rem;align-items:center;padding:4rem 0}
.hero-photo{width:100%;height:auto;border-radius:6px;object-fit:cover;display:block;border:1px solid rgba(12,16,30,0.06);box-shadow:0 12px 40px rgba(12,16,30,0.08)}
.hero-label{font-family:'DM Mono',monospace;color:var(--blue);text-transform:uppercase;font-size:0.75rem;margin-bottom:0.6rem}
h1{font-size:2.2rem;margin:0 0 0.6rem;font-weight:600}
.hero-sub{color:var(--muted);font-size:1rem}
.cv-btn{display:inline-block;margin-top:1rem;background:var(--blue);color:#fff;padding:0.55rem 0.9rem;border-radius:6px;text-decoration:none;font-family:'DM Mono',monospace;font-weight:700;font-size:0.85rem}
.cv-btn:hover{background:#223f74}

footer{padding:2rem 0;text-align:center;font-family:'DM Mono',monospace;color:var(--muted);font-size:0.8rem}

/* Sections */
section{padding:3rem 0;border-bottom:1px solid rgba(12,16,30,0.04);animation:fadeUp 0.8s ease both}
section:last-child{border-bottom:none}
.section-header{display:flex;align-items:baseline;gap:1.2rem;margin-bottom:2rem}
h2{font-size:1.05rem;font-weight:500;letter-spacing:0.02em}
.section-line{flex:1;height:1px;background:var(--rule)}
.section-num{font-family:'DM Mono',monospace;font-size:0.65rem;color:var(--blue-light);letter-spacing:0.1em}

@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* Experience / Education list */
.exp-item{display:grid;grid-template-columns:160px 1fr;gap:1rem;padding:1.4rem 0;border-bottom:1px dashed var(--rule)}
.edu-item{display:grid;grid-template-columns:160px 1fr;gap:1rem;padding:1.2rem 0;border-bottom:1px dashed var(--rule)}

/* Research-specific */
.carousel{position:relative;overflow:hidden;margin-bottom:2rem;border-radius:6px;border:1px solid rgba(12,16,30,0.03)}
.carousel-track{display:flex;transition:transform 0.4s ease}
.carousel-slide{min-width:100%}
.carousel-slide img{width:100%;height:380px;object-fit:cover;display:block;border-radius:6px}
.carousel-placeholder{width:100%;height:420px;background:var(--highlight);border:2px dashed var(--rule);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.4rem;color:var(--muted);font-family:'DM Mono',monospace;font-size:0.75rem;letter-spacing:0.08em}
.carousel-placeholder small{font-size:0.65rem;opacity:0.6}
.carousel-btn{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.85);border:none;width:40px;height:40px;border-radius:50%;font-size:1rem;cursor:pointer;color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,0.15);transition:background 0.2s;z-index:10}
.carousel-btn:hover{background:#fff}
.carousel-btn.prev{left:1rem}
.carousel-btn.next{right:1rem}
.carousel-dots{position:absolute;bottom:0.8rem;left:50%;transform:translateX(-50%);display:flex;gap:0.4rem}
.carousel-dot{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,0.5);border:none;cursor:pointer;padding:0;transition:background 0.2s}
.carousel-dot.active{background:#fff}

.research-group{margin-bottom:2rem}
.research-group-title{font-family:'DM Mono',monospace;font-size:0.72rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--blue-light);margin-bottom:1.2rem;padding-bottom:0.4rem;border-bottom:1px solid var(--rule)}
.paper{background:transparent;padding:1rem 1rem;border-radius:6px}
.paper-title{font-size:1.05rem;font-weight:500;margin-bottom:0.3rem;line-height:1.4}
.paper-byline{font-size:0.95rem;color:var(--muted);margin-bottom:0.3rem}
.paper-abstract{margin-top:0.5rem;color:var(--muted);font-size:0.95rem}

/* Teaching specifics */
#teaching-detail{display:block}

/* CV iframe */
.viewer{margin-top:1.2rem}
iframe{width:100%;height:80vh;border:1px solid rgba(0,0,0,0.06);border-radius:6px}
.fallback{margin-top:0.6rem;font-family:'DM Mono',monospace;color:var(--muted)}

@media (max-width:900px){.carousel-slide img,.carousel-placeholder{height:220px}}
@media (max-width:800px){header{grid-template-columns:1fr;gap:1.2rem;padding:2.5rem 0}.hero-photo{max-width:360px;margin:0 auto}iframe{height:70vh}}