/*
Theme Name: NanoStruct Hub
Theme URI: https://nanostruct.ro
Author: Asociația NANOSTRUCT-HUB
Author URI: https://nanostruct.ro
Description: Temă bilingvă (RO/EN) pentru Asociația NANOSTRUCT-HUB — versiunea 1.3.1: comutator de limbă rescris, fără cârlige standard, cu gardă permanentă care reconstruiește butoanele dacă sunt atinse. Activează această temă.
Version: 1.3.1
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nanostruct-hub
*/

/* ============ Tokens ============ */
:root{
  --ink:#0B1E2A; --ink-2:#0C2A2E;
  --teal-900:#0C6E63; --teal-700:#0A867A; --teal-500:#18B3A4; --green:#4FA86A;
  --muted:#52666C; --line:#E4EDEB; --surface:#F3F7F6; --bg:#FBFCFB; --white:#fff;
  --display:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --body:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --mono:"Space Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1120px; --radius:16px; --radius-sm:10px;
  --shadow:0 1px 2px rgba(11,30,42,.04), 0 16px 36px -22px rgba(11,30,42,.20);
  --shadow-hover:0 2px 4px rgba(11,30,42,.06), 0 26px 50px -28px rgba(11,30,42,.30);
  --sp-section:clamp(64px,8vw,108px);
}

/* ============ Base ============ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);font-size:1.0625rem;line-height:1.7;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--teal-900);text-decoration:none}
a:hover{color:var(--teal-700)}
h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:1.12;margin:0}
p{margin:0}
:focus-visible{outline:2px solid var(--teal-500);outline-offset:3px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal-900);display:inline-flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--teal-500)}
.muted{color:var(--muted)}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:12px;top:10px;z-index:60;background:#fff;padding:8px 14px;border-radius:8px;box-shadow:var(--shadow)}

/* mesh background helper (triangular lattice) */
.mesh{
  background-image:
    repeating-linear-gradient(60deg, var(--mesh-color,rgba(24,179,164,.10)) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(-60deg, var(--mesh-color,rgba(24,179,164,.10)) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(0deg, var(--mesh-color,rgba(24,179,164,.10)) 0 1px, transparent 1px 26px);
}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;gap:.55em;font-family:var(--body);font-weight:600;font-size:.95rem;line-height:1;padding:.85em 1.4em;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s,color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--teal-900);color:#fff}
.btn-primary:hover{background:var(--teal-700);color:#fff}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-900)}
.btn-bright{background:var(--teal-500);color:#06302b}
.btn-bright:hover{background:#34c4b6;color:#06302b}

/* ============ Header ============ */
header{position:sticky;top:0;z-index:40;background:rgba(251,252,251,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:86px}
.brand{display:flex;align-items:center}
.brand svg{height:48px;width:auto}
.navlinks{display:flex;gap:30px;align-items:center}
.navlinks a{font-size:.93rem;color:var(--ink);font-weight:500}
.navlinks a:hover{color:var(--teal-900)}
.nsh-langswitch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-family:var(--mono);font-size:.72rem;background:#fff}
.nsh-langswitch button{border:0;background:transparent;padding:.55em .85em;cursor:pointer;color:var(--muted);font-family:inherit;letter-spacing:.05em}
.nsh-langswitch button.on{background:var(--ink);color:#fff}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:.45em .6em;cursor:pointer;align-items:center}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;color:#fff;background:linear-gradient(155deg,#0B1E2A 0%,#0C2A2E 60%,#0a3330 100%)}
.hero::before{content:"";position:absolute;inset:0;--mesh-color:rgba(24,179,164,.10);
  background-image:
    repeating-linear-gradient(60deg, var(--mesh-color) 0 1px, transparent 1px 34px),
    repeating-linear-gradient(-60deg, var(--mesh-color) 0 1px, transparent 1px 34px);
  -webkit-mask-image:radial-gradient(120% 120% at 75% 20%, #000 0%, transparent 70%);
          mask-image:radial-gradient(120% 120% at 75% 20%, #000 0%, transparent 70%)}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-80px;top:-120px;border-radius:50%;
  background:radial-gradient(circle, rgba(79,168,106,.22), transparent 62%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;padding:clamp(64px,9vw,116px) 0}
.hero .eyebrow{color:#7fd8cf}
.hero .eyebrow::before{background:#4FA86A}
.hero h1{font-size:clamp(2.5rem,1.7rem+3.4vw,4.1rem);letter-spacing:-.03em;margin:.32em 0 .34em}
.hero h1 .g{color:var(--green)}
.hero .sub{font-size:1.16rem;line-height:1.65;color:#c3d3d3;max-width:54ch}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero .btn-ghost{background:transparent;border-color:rgba(255,255,255,.26);color:#fff}
.hero .btn-ghost:hover{border-color:var(--teal-500);color:var(--teal-500)}
.hero .meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:42px;font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:#80a7a4}
.hero .meta span{display:inline-flex;align-items:center;gap:9px}
.hero .meta i{width:6px;height:6px;border-radius:50%;background:var(--teal-500);display:inline-block}
.hero-art{position:relative;display:flex;justify-content:center;align-items:center}
.hero-art::before{content:"";position:absolute;width:78%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,rgba(24,179,164,.18),transparent 65%)}
.hero-art img{position:relative;width:min(100%,400px);filter:drop-shadow(0 18px 40px rgba(0,0,0,.35))}

/* ============ Section scaffolding ============ */
.section{padding:var(--sp-section) 0;border-bottom:1px solid var(--line)}
.section--tint{background:var(--surface)}
.section-head{max-width:62ch}
.section-head h2{font-size:clamp(1.85rem,1.4rem+1.7vw,2.5rem);margin:.45em 0 .5em}
.section-head .lead{font-size:1.12rem;color:var(--muted)}
.lead-dark{color:#3a4a51}

/* ============ Despre / pillars ============ */
.about-intro{text-align:center;max-width:64ch;margin:0 auto}
.about-intro h2{font-size:clamp(1.85rem,1.4rem+1.7vw,2.5rem);margin:.45em 0 .5em}
.about-intro p{font-size:1.14rem;color:#33444b}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
.pillar{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;transition:box-shadow .2s,transform .2s}
.pillar:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.pillar .ico{width:46px;height:46px;border-radius:12px;background:var(--surface);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.pillar .ico svg{width:24px;height:24px}
.pillar h3{font-family:var(--display);font-weight:700;font-size:1.16rem;margin-bottom:.4em}
.pillar p{color:var(--muted);font-size:.97rem}

/* ============ Domeniu split ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-copy h2{font-size:clamp(1.85rem,1.4rem+1.7vw,2.5rem);margin:.45em 0 .5em}
.split-copy .lead{font-size:1.1rem;color:#33444b}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--teal-900);background:#fff;border:1px solid var(--line);border-radius:999px;padding:.5em .9em}
.split-media{position:relative;border-radius:22px;padding:38px;background:linear-gradient(155deg,#0B1E2A,#0C2A2E);overflow:hidden;display:flex;justify-content:center;align-items:center;min-height:340px}
.split-media::before{content:"";position:absolute;inset:0;--mesh-color:rgba(24,179,164,.08);
  background-image:repeating-linear-gradient(60deg,var(--mesh-color) 0 1px,transparent 1px 30px),repeating-linear-gradient(-60deg,var(--mesh-color) 0 1px,transparent 1px 30px)}
.split-media img{position:relative;width:min(100%,340px)}

/* ============ Activities ============ */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.card .lab{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-900);margin-bottom:14px}
.card h3{font-family:var(--display);font-weight:700;font-size:1.08rem;margin-bottom:.5em}
.card p{color:var(--muted);font-size:.95rem;margin:0}

/* ============ Leadership ============ */
.leader{display:flex;gap:26px;align-items:flex-start;max-width:780px;margin-top:40px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.leader .avatar{flex:0 0 auto;width:96px;height:96px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:700;font-size:1.7rem;color:var(--teal-900);background:var(--surface);border:2px solid var(--green)}
.leader .role{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green)}
.leader .nm{font-family:var(--display);font-weight:700;font-size:1.4rem;margin:.35em 0 .2em}
.leader .aff{color:var(--teal-900);font-weight:500;font-size:.96rem;margin-bottom:.8em}
.leader .bio{color:var(--muted);font-size:.98rem;margin:0}

/* ============ Partners panel ============ */
.panel{position:relative;overflow:hidden;border-radius:24px;background:linear-gradient(155deg,#0B1E2A,#0C2A2E);color:#fff;padding:clamp(40px,5vw,64px)}
.panel::before{content:"";position:absolute;inset:0;--mesh-color:rgba(24,179,164,.09);
  background-image:repeating-linear-gradient(60deg,var(--mesh-color) 0 1px,transparent 1px 32px),repeating-linear-gradient(-60deg,var(--mesh-color) 0 1px,transparent 1px 32px);
  -webkit-mask-image:radial-gradient(110% 110% at 80% 10%,#000,transparent 70%);mask-image:radial-gradient(110% 110% at 80% 10%,#000,transparent 70%)}
.panel-inner{position:relative;z-index:2;max-width:none}
.panel .eyebrow{color:#7fd8cf}.panel .eyebrow::before{background:#4FA86A}
.panel h2{font-size:clamp(1.85rem,1.4rem+1.7vw,2.5rem);margin:.4em 0 .5em;color:#fff}
.panel .sub{color:#c3d3d3;max-width:62ch;font-size:1.08rem}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 30px}
.chip{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;padding:.55em .9em;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#cfe0df}

/* ============ Contact ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-list{display:flex;flex-direction:column;gap:0}
.contact-list .row{display:flex;flex-direction:column;gap:5px;padding:20px 0;border-bottom:1px solid var(--line)}
.contact-list .row:first-child{padding-top:0}
.contact-list .k{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.contact-list .v{font-size:1.06rem}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}
.contact-card h3{font-family:var(--display);font-weight:700;font-size:1.3rem;margin-bottom:.4em}
.contact-card p{color:var(--muted);margin-bottom:1.4em}

/* ============ Footer ============ */
footer{background:var(--bg);padding:44px 0}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;font-size:.88rem;color:var(--muted)}
.foot .motto{font-family:var(--display);color:var(--teal-900)}

/* ============ WordPress ============ */
.admin-bar header{top:32px}
@media(max-width:782px){.admin-bar header{top:46px}}

/* ============ Responsive ============ */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-art{order:-1;max-width:360px;margin:0 auto}
  .split{grid-template-columns:1fr;gap:34px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .pillars{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .navlinks{display:none;position:absolute;top:86px;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:6px 24px 16px}
  header.open .navlinks{display:flex}
  .navlinks a{padding:12px 0;border-bottom:1px solid var(--line)}
  .menu-btn{display:inline-flex}
  .brand svg{height:42px}
}
@media(max-width:560px){
  .cards{grid-template-columns:1fr}
  .leader{flex-direction:column;gap:18px;padding:26px}
  .foot{flex-direction:column;align-items:flex-start;gap:10px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}