/* ============================================================
   Matías A. Armella — personal site
   Dark "stratigraphy / amber" theme. Layout only; all content
   is injected by assets/js/main.js from the /data JSON files.
   ============================================================ */

:root{
  --bg:#0d0b08;--bg2:#131109;--bg3:#1a1710;
  --amber:#d4a843;--amber-dim:#8a6e2a;
  --cream:#ede5cc;--cream-dim:#a89870;
  --terracota:#c0582a;
  --text:#cfc5ad;--text-dim:#6e6450;
  --line:rgba(212,168,67,0.13);
  --serif:'Barlow Condensed',Georgia,sans-serif;
  --mono:'Sometype Mono','Courier New',monospace;
  --sans:'Barlow Semi Condensed',system-ui,sans-serif;
  --ease:cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:120%;}
body{background:var(--bg);color:var(--text);font-family:var(--sans);font-size:1rem;line-height:1.75;overflow-x:hidden;}
a{color:var(--amber);text-decoration:none;transition:color .2s;}
a:hover{color:var(--cream);}
img{max-width:100%;display:block;}
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");background-size:180px;}
::-webkit-scrollbar{width:6px;}::-webkit-scrollbar-track{background:var(--bg);}::-webkit-scrollbar-thumb{background:var(--amber-dim);border-radius:3px;}

/* ---------- NAV ---------- */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1.1rem 3rem;background:rgba(13,11,8,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);}
.nav-brand{font-family:var(--serif);font-size:1.05rem;font-weight:400;font-style:italic;color:var(--cream);}
.nav-right{display:flex;align-items:center;gap:2rem;}
.nav-links{display:flex;gap:1.7rem;list-style:none;}
.nav-links a{font-size:.73rem;font-weight:500;letter-spacing:.13em;text-transform:uppercase;color:var(--cream-dim);transition:color .2s;}
.nav-links a:hover{color:var(--amber);}

/* language toggle */
.lang-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.4rem .8rem;border:1px solid var(--line);background:transparent;color:var(--cream-dim);font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:all .2s;}
.lang-btn:hover{border-color:var(--amber-dim);color:var(--amber);}
.lang-btn svg{width:20px;height:14px;display:block;border-radius:1px;box-shadow:0 0 0 1px rgba(255,255,255,.08);}

/* hamburger (mobile) */
.nav-toggle{display:none;background:none;border:none;color:var(--cream);cursor:pointer;padding:.3rem;}
.nav-toggle svg{width:24px;height:24px;}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:62vh;display:flex;flex-direction:column;justify-content:center;padding:3.2rem 3rem 4rem;overflow:hidden;}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 70% 55% at 65% 35%,rgba(192,88,42,.07) 0%,transparent 70%),radial-gradient(ellipse 55% 70% at 20% 65%,rgba(212,168,67,.05) 0%,transparent 60%),linear-gradient(175deg,var(--bg) 0%,var(--bg2) 100%);}
.hero-strata{position:absolute;right:0;top:0;bottom:0;width:44%;z-index:0;overflow:hidden;opacity:.16;}
.hero-strata::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(-6deg,transparent 0px,transparent 14px,rgba(212,168,67,.22) 14px,rgba(212,168,67,.22) 15px,transparent 15px,transparent 34px,rgba(192,88,42,.15) 34px,rgba(192,88,42,.15) 35px,transparent 35px,transparent 60px,rgba(212,168,67,.1) 60px,rgba(212,168,67,.1) 61px);}
.hero-photo-wrap{position:absolute;right:5%;top:48%;transform:translateY(-50%);z-index:1;width:300px;height:380px;border:1px solid var(--line);overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.8);}
.hero-photo-wrap::after{content:'';position:absolute;inset:0;background:linear-gradient(160deg,transparent 40%,rgba(13,11,8,.55) 100%);}
.hero-photo-wrap img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.02);}
.hero-content{position:relative;z-index:2;max-width:600px;}
.hero-eyebrow{font-family:var(--mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);margin-bottom:1.4rem;display:flex;align-items:center;gap:.8rem;}
.hero-eyebrow::before{content:'';display:block;width:28px;height:1px;background:var(--amber);}
h1{font-family:"Bebas Neue",var(--serif);font-size:clamp(2.6rem,5vw,4.4rem);font-weight:400;line-height:.95;color:var(--cream);letter-spacing:.04em;margin-bottom:.6rem;}
h1 em{font-style:normal;color:var(--amber);}
.hero-subtitle{font-family:var(--serif);font-size:1.1rem;font-weight:300;font-style:italic;color:var(--cream-dim);margin-bottom:1.8rem;line-height:1.5;}
.hero-desc{font-size:.88rem;color:var(--text-dim);max-width:470px;line-height:1.85;margin-bottom:2.5rem;}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;}
.btn{padding:.65rem 1.7rem;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;transition:all .25s var(--ease);cursor:pointer;display:inline-block;font-family:var(--sans);border:1px solid transparent;}
.btn-primary{background:var(--amber);color:var(--bg);border-color:var(--amber);}
.btn-primary:hover{background:var(--cream);border-color:var(--cream);color:var(--bg);}
.btn-ghost{background:transparent;color:var(--cream-dim);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--amber-dim);color:var(--amber);}
.hero-stats{position:absolute;bottom:3rem;right:5%;z-index:2;display:flex;gap:2.5rem;}
.stat{text-align:center;}
.stat-n{font-family:var(--serif);font-size:2.6rem;font-weight:300;font-style:italic;color:var(--amber);line-height:1;display:block;}
.stat-l{font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);display:block;margin-top:.3rem;}

/* ---------- GENERIC SECTION ---------- */
section{position:relative;z-index:1;}
.section-inner{max-width:1100px;margin:0 auto;padding:6rem 3rem;}
.section-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--amber);margin-bottom:3rem;display:flex;align-items:center;gap:1rem;}
.section-label::after{content:'';flex:1;height:1px;background:var(--line);}
h2{font-family:var(--serif);font-size:clamp(2rem,4vw,3.2rem);font-weight:300;color:var(--cream);line-height:1.1;margin-bottom:1.5rem;}
h2 em{font-style:italic;color:var(--amber);}
h3{font-family:var(--serif);font-size:1.25rem;font-weight:400;color:var(--cream);margin-bottom:.5rem;}

/* ---------- ABOUT ---------- */
#about{background:var(--bg);border-top:1px solid var(--line);}
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:4rem;align-items:start;}
.about-text p{color:var(--text);line-height:1.9;margin-bottom:1.2rem;font-size:.93rem;}
.about-text p.lead{font-family:var(--serif);font-size:1.12rem;color:var(--cream-dim);font-style:italic;}
.positions-list{list-style:none;margin-top:2rem;}
.positions-list li{padding:.85rem 0;border-bottom:1px solid var(--line);font-size:.86rem;display:flex;gap:1rem;align-items:flex-start;}
.pos-dot{width:5px;height:5px;border-radius:50%;background:var(--amber);margin-top:.6rem;flex-shrink:0;}
.pos-main{color:var(--cream);font-weight:500;display:block;}
.pos-main a{color:var(--cream);}
.pos-inst{color:var(--text-dim);font-size:.8rem;}
.about-right{display:flex;flex-direction:column;gap:2rem;position:sticky;top:6rem;}
.about-photo{height:340px;border:1px solid var(--line);overflow:hidden;position:relative;}
.about-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.92);}
.tags-label{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:1rem;}
.interests-grid{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;}
.interest-tag{padding:.45rem .85rem;border:1px solid var(--line);font-family:var(--mono);font-size:.68rem;letter-spacing:.04em;color:var(--text-dim);transition:all .2s;}
.interest-tag:hover{border-color:var(--amber-dim);color:var(--amber);}

/* ---------- RESEARCH ---------- */
#research{background:var(--bg2);border-top:1px solid var(--line);}
.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:1rem;}
.research-card{padding:1.8rem;border:1px solid var(--line);background:var(--bg);transition:border-color .25s,transform .25s;}
.research-card:hover{border-color:var(--amber-dim);transform:translateY(-3px);}
.rc-num{font-family:var(--mono);font-size:.62rem;color:var(--amber);letter-spacing:.16em;margin-bottom:1.1rem;}
.rc-title{font-family:var(--serif);font-size:1.15rem;color:var(--cream);margin-bottom:.65rem;line-height:1.3;}
.rc-desc{font-size:.83rem;color:var(--text-dim);line-height:1.75;}

/* ---------- FIELD BAND (top of page, static, captions below) ---------- */
#field{background:var(--bg2);border-bottom:1px solid var(--line);padding-top:4.6rem;overflow:hidden;}
.band-head{padding:1.3rem 3rem .2rem;}
.band-eyebrow{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--amber);display:flex;align-items:center;gap:.8rem;}
.band-eyebrow::before{content:'';display:block;width:28px;height:1px;background:var(--amber);}
.band-sub{font-size:.86rem;color:var(--text-dim);margin-top:.55rem;}
.band-track{display:flex;gap:1rem;width:max-content;padding:1.2rem 3rem 1.6rem;animation:bandScroll 80s linear infinite;}
#field:hover .band-track{animation-play-state:paused;}
@keyframes bandScroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
.band-item{flex:0 0 auto;width:360px;cursor:pointer;}
.band-item .ph{width:360px;height:240px;overflow:hidden;border:1px solid var(--line);}
.band-item img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) brightness(.9);transition:transform .6s var(--ease),filter .4s;}
.band-item:hover img{transform:scale(1.05);filter:saturate(1) brightness(1);}
.band-cap{margin-top:.55rem;font-family:var(--mono);font-size:.66rem;color:var(--text-dim);line-height:1.4;}

/* ---------- LAB & COLLECTIONS (static grids, captions below) ---------- */
#lab{background:var(--bg);border-top:1px solid var(--line);}
.field-sub{font-size:.92rem;color:var(--text-dim);max-width:640px;margin-top:-.4rem;line-height:1.8;}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.7rem 1.2rem;margin-top:2.5rem;}
.photo-subhead{margin-top:3.6rem;font-family:var(--serif);font-size:1.2rem;font-weight:400;color:var(--cream-dim);}
.photo-card{cursor:pointer;}
.photo-card .ph{aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line);}
.photo-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) brightness(.88);transition:transform .6s var(--ease),filter .4s;}
.photo-card:hover img{transform:scale(1.04);filter:saturate(1) brightness(1);}
.photo-card .cap{margin-top:.55rem;font-family:var(--mono);font-size:.68rem;color:var(--text-dim);line-height:1.4;}

/* ---------- PUBLICATIONS ---------- */
#publications{background:var(--bg2);border-top:1px solid var(--line);}
.pub-filters{display:flex;gap:.65rem;flex-wrap:wrap;margin-bottom:2.5rem;}
.pub-filter{padding:.38rem .95rem;border:1px solid var(--line);font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);cursor:pointer;transition:all .2s;background:none;}
.pub-filter.active,.pub-filter:hover{background:var(--amber);border-color:var(--amber);color:var(--bg);}
.pub-list{display:flex;flex-direction:column;}
.pub-item{padding:1.3rem 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:72px 1fr;gap:1.4rem;transition:all .2s;}
.pub-item:hover{background:rgba(212,168,67,.03);padding-left:.5rem;}
.pub-year{font-family:var(--mono);font-size:.76rem;color:var(--amber);padding-top:.1rem;}
.pub-title{font-family:var(--serif);font-size:1rem;color:var(--cream);margin-bottom:.28rem;line-height:1.45;font-style:italic;}
.pub-title a{color:var(--cream);}
.pub-title a:hover{color:var(--amber);}
.pub-journal{font-size:.79rem;color:var(--text-dim);margin-bottom:.18rem;}
.pub-authors{font-size:.78rem;color:var(--text-dim);opacity:.8;}
.pub-authors strong{color:var(--amber-dim);font-weight:600;}

/* ---------- PROJECTS ---------- */
#projects{background:var(--bg);border-top:1px solid var(--line);}
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;}
.proj-card{padding:1.8rem;border:1px solid var(--line);transition:border-color .25s;}
.proj-card:hover{border-color:var(--amber-dim);}
.proj-badge{display:inline-block;padding:.22rem .65rem;margin-bottom:.9rem;font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;border:1px solid rgba(212,168,67,.35);color:var(--amber);}
.proj-title{font-family:var(--serif);font-size:1rem;color:var(--cream);line-height:1.45;margin-bottom:.45rem;}
.proj-info{font-size:.79rem;color:var(--text-dim);line-height:1.6;}
.proj-role{font-size:.72rem;color:var(--amber-dim);margin-top:.45rem;font-family:var(--mono);}

/* ---------- MEDIA ---------- */
#media{background:var(--bg2);border-top:1px solid var(--line);}
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;}
.media-card{border:1px solid var(--line);background:var(--bg);padding:1.4rem;transition:border-color .25s,transform .25s;display:flex;flex-direction:column;}
.media-card:hover{border-color:var(--amber-dim);transform:translateY(-2px);}
.media-outlet{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:.7rem;}
.media-headline{font-family:var(--serif);font-size:.97rem;color:var(--cream);line-height:1.45;margin-bottom:.6rem;flex:1;}
.media-year{font-size:.76rem;color:var(--text-dim);}
.media-link{display:inline-flex;align-items:center;gap:.35rem;font-family:var(--mono);font-size:.66rem;letter-spacing:.08em;color:var(--amber-dim);margin-top:.7rem;transition:color .2s;}
.media-link:hover{color:var(--amber);}
.media-link::after{content:'→';}

/* ---------- TEACHING ---------- */
#teaching{background:var(--bg);border-top:1px solid var(--line);}
.teaching-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3.5rem;}
.teaching-block h3{margin-bottom:1.4rem;}
.teaching-item{padding:.85rem 0;border-bottom:1px solid var(--line);font-size:.86rem;}
.ti-role{color:var(--cream);display:block;margin-bottom:.18rem;}
.ti-inst{color:var(--text-dim);font-size:.79rem;display:block;}
.ti-period{font-family:var(--mono);font-size:.68rem;color:var(--amber-dim);display:block;margin-top:.18rem;}

/* ---------- CONTACT ---------- */
#contact{background:var(--bg2);border-top:1px solid var(--line);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:start;}
.contact-quote{font-family:var(--serif);font-size:1.7rem;font-weight:300;font-style:italic;color:var(--cream-dim);line-height:1.45;}
.contact-quote .qa{display:block;margin-top:1rem;font-size:1rem;letter-spacing:.08em;font-style:normal;color:var(--amber-dim);}
.contact-photo{margin-top:2.5rem;max-width:340px;}
.contact-photo img{width:100%;height:auto;display:block;border:1px solid var(--line);filter:saturate(.95);}
.contact-details{display:flex;flex-direction:column;gap:1.5rem;}
.contact-label{font-family:var(--mono);font-size:.63rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);margin-bottom:.4rem;}
.contact-val{color:var(--cream-dim);font-size:.88rem;}
.contact-val a{color:var(--cream-dim);}
.contact-val a:hover{color:var(--amber);}
.academic-links{display:flex;gap:.85rem;flex-wrap:wrap;margin-top:.4rem;}
.acad-link{padding:.45rem 1.1rem;border:1px solid var(--line);font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);transition:all .2s;}
.acad-link:hover{border-color:var(--amber-dim);color:var(--amber);}

/* ---------- FOOTER + COUNTER ---------- */
footer{border-top:1px solid var(--line);padding:2rem 3rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;font-family:var(--mono);font-size:.66rem;color:var(--text-dim);}
.visit-counter{display:inline-flex;align-items:center;gap:.5rem;}
.visit-counter .vc-num{color:var(--amber);font-weight:500;letter-spacing:.05em;}
.visit-counter .vc-dot{width:6px;height:6px;border-radius:50%;background:var(--amber-dim);box-shadow:0 0 6px var(--amber);animation:pulse 2.2s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:.4;}50%{opacity:1;}}

/* ---------- LIGHTBOX ---------- */
.lightbox{position:fixed;inset:0;z-index:200;background:rgba(8,7,5,.94);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1rem;padding:3rem;opacity:0;pointer-events:none;transition:opacity .3s;}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox img{max-width:90vw;max-height:80vh;object-fit:contain;border:1px solid var(--line);}
.lightbox .lb-cap{font-family:var(--mono);font-size:.78rem;color:var(--cream-dim);letter-spacing:.04em;}
.lightbox .lb-close{position:absolute;top:1.5rem;right:2rem;font-family:var(--mono);font-size:.8rem;color:var(--cream-dim);cursor:pointer;letter-spacing:.1em;}
.lightbox .lb-close:hover{color:var(--amber);}

/* ---------- ANIMATION ---------- */
.fade-in{opacity:0;transform:translateY(18px);animation:fadeUp .7s var(--ease) forwards;}
@keyframes fadeUp{to{opacity:1;transform:none;}}
.delay-1{animation-delay:.1s;}.delay-2{animation-delay:.22s;}.delay-3{animation-delay:.34s;}.delay-4{animation-delay:.46s;}.delay-5{animation-delay:.58s;}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  nav{padding:1rem 1.3rem;}
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(74vw,300px);flex-direction:column;justify-content:center;gap:1.6rem;background:rgba(13,11,8,.97);backdrop-filter:blur(16px);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .35s var(--ease);padding:2rem;}
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:.9rem;}
  .nav-toggle{display:block;z-index:101;}
  .nav-right{gap:1rem;}
  .hero{padding:0 1.4rem 4rem;}
  .hero-photo-wrap{display:none;}
  .hero-stats{position:static;margin-top:2.5rem;gap:1.8rem;}
  .section-inner{padding:4rem 1.4rem;}
  .about-grid,.teaching-grid,.contact-grid{grid-template-columns:1fr;gap:2.5rem;}
  .about-right{position:static;}
  .research-grid,.proj-grid,.media-grid{grid-template-columns:1fr;}
  .photo-grid{grid-template-columns:repeat(2,1fr);}
  #field{padding-top:4rem;}
  .band-head{padding-left:1.4rem;padding-right:1.4rem;}
  .band-track{padding-left:1.4rem;padding-right:1.4rem;}
  .band-item{width:230px;}
  .band-item .ph{width:230px;height:200px;}
}

/* ---------- OTHER ACTIVITIES (under construction) ---------- */
#other{background:var(--bg2);border-top:1px solid var(--line);}
.under-construction{margin-top:2.4rem;border:1px dashed rgba(212,168,67,.3);background:var(--bg);padding:3.6rem 2rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:1rem;}
.under-construction svg{width:34px;height:34px;color:var(--amber);opacity:.85;}
.uc-img{width:300px;max-width:78%;height:auto;display:block;}
.uc-text{font-family:var(--serif);font-size:1.45rem;color:var(--cream);letter-spacing:.02em;}
.uc-sub{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);}

/* ============================================================
   TABBED SPA additions
   ============================================================ */
#views{min-height:46vh;}
.view{display:none;}
.view.active{display:block;animation:viewIn .4s var(--ease);}
@keyframes viewIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

/* nav fit for 7 tabs + icons */
nav{padding:1.05rem 2rem;}
.nav-right{gap:1.2rem;}
.nav-links{gap:.9rem;}
.nav-links a{font-size:.65rem;position:relative;}
.nav-links a.current{color:var(--amber);}
.nav-links a.current::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--amber);}

/* social icons */
.nav-social{display:flex;align-items:center;gap:.45rem;}
.social{display:flex;align-items:center;gap:.55rem;}
.social a{display:inline-flex;align-items:center;justify-content:center;width:29px;height:29px;border:1px solid var(--line);border-radius:50%;color:var(--cream-dim);transition:all .2s;}
.social a:hover{border-color:var(--amber-dim);color:var(--amber);}
.social a svg{width:14px;height:14px;}
.social a.badge{font-family:var(--mono);font-size:.58rem;font-weight:500;}
.social.big a{width:44px;height:44px;}
.social.big a svg{width:20px;height:20px;}
.social.big a.badge{font-size:.78rem;}

/* group sub-headers inside tabs */
.group-label{margin-top:3.4rem;}
#personal-grid,#fieldwork-grid,#lab-grid,#collections-grid,#outreach-grid,#research-grid{margin-top:1.5rem;}

/* ===== HOME ===== */
#home .home-hero{position:relative;overflow:hidden;border-top:1px solid var(--line);}
.home-hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;}
.home-inner{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding:5rem 3rem 5.5rem;display:grid;grid-template-columns:1fr 300px;gap:3.5rem;align-items:center;}
.home-text{max-width:660px;}
.home-phrase{font-family:var(--serif);font-size:1.3rem;font-weight:300;line-height:1.6;color:var(--cream);margin:1.6rem 0 2.2rem;}
.home-ctas{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.8rem;}
.home-portrait{width:300px;height:380px;border:1px solid var(--line);overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.85);}
.home-portrait img{width:100%;height:100%;object-fit:cover;filter:saturate(.92);}

/* ===== CONTRIBUTIONS (questions) ===== */
.contrib-list{display:flex;flex-direction:column;margin-top:1.5rem;}
.contrib-item{padding:1.4rem 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:62px 1fr;gap:1.2rem;transition:all .2s;}
.contrib-item:hover{background:rgba(212,168,67,.035);padding-left:.5rem;}
.contrib-year{font-family:var(--mono);font-size:.78rem;color:var(--amber-dim);padding-top:.4rem;}
.contrib-q{font-family:var(--serif);font-size:1.4rem;font-weight:400;line-height:1.3;color:var(--cream);margin-bottom:.45rem;}
.contrib-q a{color:var(--cream);}
.contrib-q a:hover{color:var(--amber);}
.contrib-cite{font-size:.8rem;color:var(--text-dim);line-height:1.55;}
.contrib-cite strong{color:var(--amber-dim);font-weight:600;}
.formal-list{margin-top:3.4rem;border-top:1px solid var(--line);}
.formal-list summary{cursor:pointer;padding:1.4rem 0 .2rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);list-style:none;}
.formal-list summary::-webkit-details-marker{display:none;}
.formal-list summary::before{content:'▸ ';color:var(--amber-dim);}
.formal-list[open] summary::before{content:'▾ ';}
.formal-list .pub-list{margin-top:1rem;}
.cv-row{margin-top:2.4rem;}
.cv-row button[disabled]{opacity:.5;cursor:not-allowed;}

/* nav collapses to hamburger earlier (7 tabs) */
@media(max-width:1200px){
  .nav-links{position:fixed;top:0;right:0;height:100vh;width:min(76vw,320px);flex-direction:column;justify-content:center;gap:1.5rem;background:rgba(13,11,8,.975);backdrop-filter:blur(16px);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .35s var(--ease);padding:2rem;}
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:.98rem;}
  .nav-links a.current::after{display:none;}
  .nav-toggle{display:block;z-index:101;}
  .nav-social{display:none;}
}
@media(max-width:900px){
  .home-inner{grid-template-columns:1fr;gap:2rem;padding:3rem 1.4rem 3.5rem;}
  .home-portrait{width:100%;max-width:320px;height:360px;order:-1;}
  .home-phrase{font-size:1.16rem;}
  .contrib-item{grid-template-columns:1fr;gap:.3rem;}
  .contrib-q{font-size:1.2rem;}
}

#field.at-bottom{border-top:1px solid var(--line);margin-top:2.5rem;padding-top:0;}

/* ---- Margin rails: center stays intact, photos fill the outer margins (About, Outreach) ---- */
.rails{display:grid;grid-template-columns:minmax(0,1fr) 280px 280px;gap:2.9rem;align-items:start;max-width:1800px;margin:0 auto;padding:6rem 2rem 1.5rem;}
.rails-center{min-width:0;grid-column:1;grid-row:1;}
#about-imgs-left,#outreach-imgs-left{grid-column:2;grid-row:1;}
#about-imgs-right,#outreach-imgs-right{grid-column:3;grid-row:1;}
.rail{display:flex;flex-direction:column;gap:1.4rem;}
.rail .photo-card .ph{aspect-ratio:auto;}
.rail .photo-card img{width:100%;height:auto;}
.rails-below{display:flex;justify-content:center;flex-wrap:wrap;gap:1.8rem 1.4rem;max-width:1080px;margin:0 auto;padding:1.5rem 3rem 3rem;}
.rails-below .photo-card{flex:0 1 300px;}
@media(max-width:1360px){
  .rails{display:flex;flex-direction:column;gap:2.2rem;max-width:1080px;padding:5rem 2rem 1rem;}
  .rails-center{order:-1;}
  .rail{flex-direction:row;flex-wrap:wrap;gap:1.2rem;}
  .rail .photo-card{flex:0 1 calc(33.333% - .8rem);}
  .rail .photo-card .ph{aspect-ratio:4/3;}
}
@media(max-width:640px){
  .rail .photo-card{flex:0 1 calc(50% - .6rem);}
}

/* ---- What I do: text left, grouped photos (2 cols) right ---- */
.rails.rails-2{grid-template-columns:minmax(0,1fr) 600px;}
.rails-photos{min-width:0;}
.rails-photos .group-label{margin-top:2.6rem;}
.rails-photos .group-label.first{margin-top:0;}
.rails-photos .photo-grid.two{grid-template-columns:1fr 1fr;gap:1.4rem 1.2rem;margin-top:1rem;}
@media(max-width:1360px){
  .rails.rails-2{grid-template-columns:1fr;}
}


/* ---- News / Novedades ---- */
.news-list{margin-top:2.2rem;display:flex;flex-direction:column;gap:2rem;max-width:840px;}
.news-item{display:grid;grid-template-columns:120px 1fr;gap:1.6rem;padding-bottom:2rem;border-bottom:1px solid var(--line);}
.news-date{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;color:var(--amber);padding-top:.35rem;}
.news-title{font-family:var(--serif);font-size:1.35rem;font-weight:400;color:var(--cream);margin-bottom:.5rem;line-height:1.2;}
.news-text{font-size:.9rem;color:var(--text);line-height:1.8;}
.news-link{display:inline-block;margin-top:.7rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--amber);text-transform:uppercase;}
@media(max-width:640px){ .news-item{grid-template-columns:1fr;gap:.4rem;} }

/* arbol_2024 is a vertical/portrait photo — always show it at its original proportions (never the 4/3 grid crop) */
.photo-card[data-full$="arbol_2024.jpg"] .ph{aspect-ratio:auto;}
.photo-card[data-full$="arbol_2024.jpg"] img{height:auto;}

/* ---- Data & resources: activity cards ---- */
.datos-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-top:2.6rem;}
.datos-card{display:block;padding:1.7rem;border:1px solid var(--line);background:var(--bg);position:relative;transition:border-color .25s,transform .25s;}
a.datos-card.live{cursor:pointer;}
a.datos-card.live:hover{border-color:var(--amber-dim);transform:translateY(-3px);}
.datos-card.soon{opacity:.55;}
.datos-ct{font-family:var(--serif);font-size:1.2rem;font-weight:500;color:var(--cream);margin-bottom:.55rem;line-height:1.2;}
.datos-cd{font-size:.85rem;color:var(--text-dim);line-height:1.7;}
.datos-open{display:inline-block;margin-top:1.1rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--amber);}
.datos-badge{display:inline-block;margin-top:1.1rem;font-family:var(--mono);font-size:.6rem;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-dim);border:1px solid var(--line);padding:.28rem .65rem;}
@media(max-width:900px){.datos-cards{grid-template-columns:1fr;}}