/* ============================================================
   VeroNexo Laboratories — VeryNexo brand site
   Design tokens
   ============================================================ */

:root{
  --deep: #12213A;       /* navy ink — primary dark */
  --deep-2: #1B3358;     /* navy, one step lighter, for panels */
  --paper: #F5F6F1;      /* soft neutral paper background */
  --paper-2: #ECEEE6;    /* slightly deeper paper, for cards */
  --ink: #1C2733;        /* body text on paper */
  --muted: #5C6672;      /* secondary text */
  --line: #DFE2D9;       /* hairline borders on paper */
  --line-dark: rgba(255,255,255,0.14);

  --sun:  #F2B705;
  --leaf: #2E9C5A;
  --sky:  #2C7DA0;

  --grad: linear-gradient(120deg, var(--sun) 0%, var(--leaf) 52%, var(--sky) 100%);
  --grad-soft: linear-gradient(120deg, rgba(242,183,5,0.16) 0%, rgba(46,156,90,0.14) 52%, rgba(44,125,160,0.16) 100%);

  --display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;

  --radius: 14px;
  --radius-sm: 8px;
  --maxw: 1080px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.55;
}

img{ max-width:100%; display:block; }
a{ color: inherit; }

.wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* -------------------- focus & motion -------------------- */
a:focus-visible, button:focus-visible, .lang-btn:focus-visible{
  outline: 2px solid var(--sky);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* -------------------- header -------------------- */
.site-header{
  position: sticky;
  top:0;
  z-index: 40;
  background: rgba(245,246,241,0.88);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height: 72px;
  gap: 20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family: var(--display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  text-decoration:none;
  color: var(--deep);
  white-space:nowrap;
}
.brand-mark{
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--grad);
  position:relative;
  flex: none;
}
.brand-mark::after{
  content:"";
  position:absolute;
  left:50%; top:38%;
  width:7px; height:7px;
  background: var(--deep);
  border-radius:50%;
  transform: translate(-50%,-50%);
}
.brand small{
  display:block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 1px;
}

nav.main-nav{
  display:flex;
  align-items:center;
  gap: 22px;
  font-size: 0.92rem;
}
nav.main-nav a{
  text-decoration:none;
  color: var(--ink);
  position:relative;
  padding: 4px 0;
}
nav.main-nav a[aria-current="page"]{
  color: var(--deep);
  font-weight:600;
}
nav.main-nav a[aria-current="page"]::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:2px;
  background: var(--grad);
  border-radius: 2px;
}

.lang-switch{
  display:flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  background: #fff;
  flex: none;
}
.lang-btn{
  border:0;
  background: transparent;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 6px 11px;
  border-radius: 999px;
  cursor:pointer;
  color: var(--muted);
}
.lang-btn.is-active{
  background: var(--deep);
  color: #fff;
}

.nav-toggle{
  display:none;
  border:0;
  background:transparent;
  cursor:pointer;
  padding:6px;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";
  display:block;
  width:22px; height:2px;
  background: var(--deep);
  position:relative;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before{ position:absolute; top:-7px; }
.nav-toggle span::after{ position:absolute; top:7px; }

@media (max-width: 760px){
  nav.main-nav{
    position:absolute;
    top:72px; left:0; right:0;
    background: var(--paper);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:flex-start;
    padding: 14px 24px 20px;
    gap: 14px;
    display:none;
  }
  nav.main-nav.is-open{ display:flex; }
  .nav-toggle{ display:block; }
}

/* -------------------- hero -------------------- */
.hero{
  background: radial-gradient(120% 140% at 15% -10%, #1B3358 0%, var(--deep) 55%, #0D1830 100%);
  color: #fff;
  position:relative;
  overflow:hidden;
  padding: 88px 0 96px;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    radial-gradient(2px 2px at 12% 30%, rgba(242,183,5,0.55) 0, transparent 60%),
    radial-gradient(2px 2px at 82% 22%, rgba(44,125,160,0.55) 0, transparent 60%),
    radial-gradient(2px 2px at 68% 62%, rgba(46,156,90,0.5) 0, transparent 60%),
    radial-gradient(2px 2px at 30% 78%, rgba(242,183,5,0.4) 0, transparent 60%),
    radial-gradient(2px 2px at 90% 82%, rgba(46,156,90,0.4) 0, transparent 60%);
  opacity: 0.9;
}
.hero .wrap{ position:relative; }
.eyebrow{
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #BFD4E8;
  display:flex;
  align-items:center;
  gap:10px;
  margin: 0 0 22px;
}
.eyebrow::before{
  content:"";
  width: 26px; height:1px;
  background: var(--grad);
}
.hero h1{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
  max-width: 15ch;
}
.hero h1 .accent{
  background: var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero p.lead{
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  color: #D6DEE8;
  max-width: 56ch;
  margin: 0 0 34px;
}
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.94rem;
  padding: 13px 22px;
  border-radius: 999px;
  text-decoration:none;
  border: 1px solid transparent;
  cursor:pointer;
}
.btn-primary{
  background: var(--grad);
  color: var(--deep);
}
.btn-ghost{
  color: #fff;
  border-color: rgba(255,255,255,0.35);
}
.btn-ghost:hover{ border-color: #fff; }

/* -------------------- sections on paper -------------------- */
.section{ padding: 84px 0; }
.section + .section{ border-top: 1px solid var(--line); }
.section-head{ max-width: 62ch; margin-bottom: 44px; }
.section-head .eyebrow{ color: var(--sky); }
.section-head .eyebrow::before{ background: var(--grad); }
.section h2{
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--deep);
}
.section p{ color: var(--muted); margin:0; }

.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
@media (max-width: 820px){ .grid-3{ grid-template-columns: 1fr; } }

.card{
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}
.card .pin{
  width: 34px; height:34px;
  border-radius: 50%;
  background: var(--grad-soft);
  position:relative;
  margin-bottom: 16px;
}
.card .pin::after{
  content:"";
  position:absolute; left:50%; top:50%;
  width:9px; height:9px;
  border-radius:50%;
  background: var(--grad);
  transform:translate(-50%,-50%);
}
.card h3{
  font-family: var(--display);
  font-size: 1.05rem;
  margin: 0 0 8px;
  color: var(--deep);
}
.card p{ font-size: 0.94rem; color: var(--muted); margin:0; }

.about-block{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items:start;
}
@media (max-width: 820px){ .about-block{ grid-template-columns: 1fr; } }
.fact-list{ list-style:none; margin:0; padding:0; display:grid; gap:14px; }
.fact-list li{
  display:grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  font-size: 0.92rem;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.fact-list li span.k{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
  padding-top:2px;
}
.fact-list li span.v{ color: var(--ink); }

/* -------------------- footer -------------------- */
footer.site-footer{
  background: var(--deep);
  color: #CBD5E1;
  padding: 56px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; gap:28px; } }
footer.site-footer h4{
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8FA2B8;
  margin: 0 0 14px;
}
footer.site-footer p, footer.site-footer address{
  font-style:normal;
  font-size: 0.9rem;
  color: #B9C6D4;
  margin: 0 0 6px;
}
footer.site-footer ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
footer.site-footer a{ color:#D9E2EA; text-decoration:none; font-size:0.9rem; }
footer.site-footer a:hover{ text-decoration:underline; }
.footer-bottom{
  border-top: 1px solid var(--line-dark);
  padding-top: 22px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size: 0.8rem;
  color: #8FA2B8;
}

/* ============================================================
   Legal document pages
   ============================================================ */
.legal-hero{
  background: var(--deep);
  color:#fff;
  padding: 56px 0 44px;
}
.legal-hero .eyebrow{ color:#BFD4E8; }
.legal-hero h1{
  font-family: var(--display);
  font-weight:600;
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  margin: 0 0 10px;
  letter-spacing:-0.01em;
}
.legal-hero .meta{
  font-family: var(--mono);
  font-size: 0.78rem;
  color:#9FB3C8;
}

.legal-body{ padding: 52px 0 90px; }
.legal-layout{
  display:grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items:start;
}
@media (max-width: 860px){ .legal-layout{ grid-template-columns: 1fr; } }

.toc{
  position:sticky;
  top: 96px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:#fff;
  padding: 18px;
}
.toc h5{
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.toc ol{
  list-style:none; margin:0; padding:0;
  display:grid; gap:9px;
  counter-reset: toc;
}
.toc li{ counter-increment: toc; }
.toc a{
  text-decoration:none;
  font-size: 0.85rem;
  color: var(--ink);
  display:flex; gap:8px;
}
.toc a::before{
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--sky);
  flex:none;
}
.toc a:hover{ color: var(--sky); }

.legal-content h2{
  font-family: var(--display);
  font-size: 1.25rem;
  color: var(--deep);
  margin: 44px 0 12px;
  padding-top: 8px;
  scroll-margin-top: 90px;
  display:flex;
  align-items:baseline;
  gap:10px;
}
.legal-content h2:first-child{ margin-top:0; }
.legal-content h2 .num{
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--sky);
}
.legal-content h3{
  font-family: var(--display);
  font-size: 1.02rem;
  color: var(--deep);
  margin: 22px 0 8px;
}
.legal-content p{ margin: 0 0 14px; color: var(--ink); }
.legal-content ul, .legal-content ol.plain{
  margin: 0 0 16px;
  padding-left: 0;
  list-style:none;
  display:grid;
  gap:8px;
}
.legal-content ul li, .legal-content ol.plain li{
  padding-left: 22px;
  position:relative;
  color: var(--ink);
}
.legal-content ul li::before{
  content:"";
  position:absolute; left:2px; top:9px;
  width:7px; height:7px;
  border-radius:50%;
  background: var(--grad);
}
.legal-content strong{ color: var(--deep); }
.callout{
  background: var(--paper-2);
  border-left: 3px solid;
  border-image: var(--grad) 1;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 20px;
  margin: 18px 0 22px;
  font-size: 0.92rem;
  color: var(--ink);
}
.legal-content table{
  width:100%;
  border-collapse: collapse;
  margin: 8px 0 20px;
  font-size: 0.88rem;
}
.legal-content th, .legal-content td{
  text-align:left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.legal-content th{
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing:0.04em;
  text-transform:uppercase;
  color: var(--muted);
  font-weight:500;
}

/* language visibility */
[data-lang-content]{ display:none; }
[data-lang-content].is-visible{ display:block; }
span[data-lang-content].is-visible{ display:inline; }

/* ============================================================
   FAQ page
   ============================================================ */
.faq-nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom: 48px;
}
.faq-nav a{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  text-decoration:none;
  color: var(--deep);
  background:#fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
}
.faq-nav a:hover{ border-color: var(--sky); color: var(--sky); }

.faq-group{ margin-bottom: 52px; }
.faq-group h2{
  font-family: var(--display);
  font-weight:600;
  font-size: 1.3rem;
  color: var(--deep);
  margin: 0 0 6px;
  scroll-margin-top: 90px;
  display:flex;
  align-items:center;
  gap:12px;
}
.faq-group h2 .pin-dot{
  width:10px; height:10px;
  border-radius:50%;
  background: var(--grad);
  flex:none;
}
.faq-group > p.faq-intro{
  color: var(--muted);
  font-size: 0.92rem;
  margin: 0 0 20px;
  max-width: 62ch;
}

details.faq-item{
  background:#fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  padding: 4px 20px;
}
details.faq-item[open]{ border-color: var(--sky); }
details.faq-item summary{
  cursor:pointer;
  list-style:none;
  padding: 16px 32px 16px 0;
  font-family: var(--body);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--deep);
  position:relative;
}
details.faq-item summary::-webkit-details-marker{ display:none; }
details.faq-item summary::after{
  content:"+";
  position:absolute;
  right:2px; top:14px;
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--sky);
  transition: transform .15s ease;
}
details.faq-item[open] summary::after{
  content:"–";
}
.faq-answer{
  padding: 0 0 18px;
  color: var(--ink);
  font-size: 0.94rem;
}
.faq-answer p{ margin: 0 0 10px; }
.faq-answer p:last-child{ margin-bottom:0; }
.faq-answer a{ color: var(--sky); text-decoration:underline; }
.faq-answer ul{
  margin: 0 0 10px;
  padding-left: 0;
  list-style:none;
  display:grid;
  gap:6px;
}
.faq-answer ul li{ padding-left:20px; position:relative; }
.faq-answer ul li::before{
  content:"";
  position:absolute; left:2px; top:8px;
  width:6px; height:6px;
  border-radius:50%;
  background: var(--grad);
}

.skip-link{
  position:absolute;
  left: -999px;
  top: auto;
  background: var(--deep);
  color:#fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus{ left: 16px; top: 16px; }