/* Rinnovare Labs™ — 2026 site redesign
   Surface: Decide/Learn (product marketing)
   Palette: deep charcoal ink, bone surface, clinical red-light accent
   Type: Fraunces (display) + Archivo (body), loaded via Google Fonts */

:root{
  --ink:#0e1013;
  --ink-2:#16191d;
  --ink-3:#1e2227;
  --line:rgba(255,255,255,.09);
  --bone:#f4f1ea;
  --bone-2:#ece8df;
  --muted:#9aa1a9;
  --muted-2:#6f767e;
  --accent:#e8442e;        /* red-light red */
  --accent-soft:#ff6a52;
  --gold:#c8a97e;
  --ok:#5fbf8a;
  --maxw:1180px;
  --radius:14px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Archivo',system-ui,sans-serif;
  background:var(--ink);
  color:var(--bone);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent);color:#fff}

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

/* ---------- type ---------- */
.display{font-family:'Fraunces',Georgia,serif;font-weight:560;line-height:1.04;letter-spacing:-.015em}
h1.display{font-size:clamp(2.6rem,6vw,4.6rem)}
h2.display{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-family:'Fraunces',Georgia,serif;font-weight:560;font-size:1.35rem;letter-spacing:-.01em}
.eyebrow{
  font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-soft);
}
.eyebrow.on-light{color:#b33322}
.lede{font-size:1.13rem;color:var(--muted);max-width:56ch}
.muted{color:var(--muted)}
.small{font-size:.86rem}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(14,16,19,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{
  text-decoration:none;display:inline-flex;align-items:center;
}
.brand img{
  height:38px;width:auto;display:block;
}
footer .brand img{height:44px;opacity:.95}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center}
.nav-links a{
  text-decoration:none;font-size:.92rem;color:var(--muted);font-weight:500;
  padding:6px 0;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;
}
.nav-links a:hover{color:var(--bone);border-color:var(--accent)}
.nav-cta{
  background:var(--accent);color:#fff;text-decoration:none;font-weight:600;font-size:.9rem;
  padding:10px 20px;border-radius:999px;transition:background .15s;
}
.nav-cta:hover{background:#c93320}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--bone);border-radius:8px;padding:8px 12px;font-size:1rem;cursor:pointer}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:.98rem;
  text-decoration:none;transition:transform .15s,background .15s,border-color .15s;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#c93320}
.btn-ghost{border:1px solid var(--line);color:var(--bone)}
.btn-ghost:hover{border-color:var(--bone)}
.on-light .btn-ghost,.btn-ghost.dark{border-color:rgba(14,16,19,.25);color:var(--ink)}
.on-light .btn-ghost:hover{border-color:var(--ink)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:96px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(52% 60% at 78% 18%, rgba(232,68,46,.16), transparent 70%),
    radial-gradient(38% 44% at 12% 88%, rgba(200,169,126,.07), transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.hero h1{margin:18px 0 20px}
.hero .lede{margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-proof{display:flex;gap:28px;margin-top:42px;flex-wrap:wrap}
.hero-proof div{font-size:.82rem;color:var(--muted);letter-spacing:.04em;border-left:2px solid var(--accent);padding-left:12px}
.hero-proof strong{display:block;color:var(--bone);font-size:1.02rem;letter-spacing:0}
.hero-photo{position:relative}
.hero-photo img{border-radius:var(--radius)}
.hero-photo::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  box-shadow:inset 0 0 0 1px var(--line);
}
.hero-badge{
  position:absolute;left:-14px;bottom:22px;background:rgba(22,25,29,.9);backdrop-filter:blur(8px);
  border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:.8rem;color:var(--muted);
}
.hero-badge strong{color:var(--bone)}

/* ---------- sections ---------- */
section{padding:88px 0}
.sec-head{max-width:640px;margin-bottom:48px}
.sec-head h2{margin:14px 0 14px}
.divider{border:0;border-top:1px solid var(--line)}

/* product family */
.family{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pcard{
  background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;text-decoration:none;
  transition:border-color .2s,transform .2s;
}
.pcard:hover{border-color:rgba(232,68,46,.5);transform:translateY(-3px)}
.pcard .ph{aspect-ratio:1/1;overflow:hidden;background:#0b0c0f}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pcard:hover .ph img{transform:scale(1.04)}
.pcard .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:8px;flex:1}
.pcard .cat{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-soft);font-weight:600}
.pcard h3{font-size:1.3rem}
.pcard p{color:var(--muted);font-size:.93rem;flex:1}
.pcard .row{display:flex;justify-content:space-between;align-items:baseline;margin-top:6px}
.pcard .price{font-weight:600;font-size:1.05rem}
.pcard .go{font-size:.86rem;color:var(--accent-soft);font-weight:600}
.tag{
  display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--muted);width:max-content;
}
.tag.hot{color:var(--accent-soft);border-color:rgba(232,68,46,.4)}

/* light band */
.on-light{background:var(--bone);color:var(--ink)}
.on-light .lede,.on-light .muted{color:#5d6167}
.on-light h3{color:var(--ink)}

/* science strip */
.sci{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(14,16,19,.12);border:1px solid rgba(14,16,19,.12);border-radius:var(--radius);overflow:hidden}
.sci>div{background:var(--bone);padding:26px 24px}
.sci .n{font-family:'Fraunces',serif;font-size:1.6rem;color:#b33322;display:block;margin-bottom:6px}
.sci p{font-size:.88rem;color:#5d6167}
.sci strong{color:var(--ink)}

/* tech (CyLoc/DexKey) */
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.steps{list-style:none;display:flex;flex-direction:column;gap:0;margin-top:26px}
.steps li{display:flex;gap:18px;padding:20px 0;border-top:1px solid rgba(14,16,19,.1)}
.steps .num{
  font-family:'Fraunces',serif;font-size:1.5rem;color:#b33322;min-width:40px;line-height:1.2;
}
.steps h4{font-size:1.02rem;margin-bottom:4px}
.steps p{font-size:.9rem;color:#5d6167}
.tech-grid figure{border-radius:var(--radius);overflow:hidden;box-shadow:0 24px 60px -30px rgba(14,16,19,.5)}
.tech-grid figcaption{font-size:.8rem;color:#5d6167;padding-top:10px}

/* product detail page */
.pd{display:grid;grid-template-columns:1.02fr .98fr;gap:60px;align-items:start;padding:64px 0 40px}
.gallery{display:grid;grid-template-columns:2fr 1fr;gap:12px}
.gallery .main{grid-row:span 3;border-radius:var(--radius);overflow:hidden;background:var(--ink-2);border:1px solid var(--line)}
.gallery .main img{width:100%;height:100%;object-fit:cover}
.gallery .thumb{border-radius:10px;overflow:hidden;border:1px solid var(--line);cursor:pointer;aspect-ratio:1/1;background:var(--ink-2)}
.gallery .thumb img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:opacity .15s}
.gallery .thumb:hover img,.gallery .thumb.active img{opacity:1}
.pd-info .price{font-family:'Fraunces',serif;font-size:2rem;margin:16px 0 6px}
.pd-info .lede{margin:8px 0 22px}
.buybox{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:8px 0 22px}
.buybox .note{font-size:.8rem;color:var(--muted);margin-top:10px}
.spec{list-style:none;margin-top:8px}
.spec li{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-top:1px solid var(--line);font-size:.92rem}
.spec li span:first-child{color:var(--muted)}
.spec li span:last-child{text-align:right;font-weight:500}

.waves{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}
.waves div{background:var(--ink-2);border:1px solid var(--line);border-radius:10px;padding:16px;text-align:center}
.waves b{display:block;font-family:'Fraunces',serif;font-size:1.15rem;color:var(--accent-soft)}
.waves span{font-size:.72rem;color:var(--muted);letter-spacing:.04em}

/* benefit grid (GlutaYouth / gel infographics) */
.infofigs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.infofigs figure{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--ink-2)}
.infofigs img{aspect-ratio:1/1;object-fit:cover;width:100%}
.infofigs figcaption{font-size:.8rem;color:var(--muted);padding:10px 14px}

/* certifications / trust */
.certs{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cert{
  border:1px solid rgba(14,16,19,.14);border-radius:12px;padding:20px;background:#fff;
  display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink);transition:border-color .15s;
}
.cert:hover{border-color:#b33322}
.cert b{font-size:.95rem}
.cert span{font-size:.8rem;color:#5d6167}
.cert .dl{font-size:.78rem;color:#b33322;font-weight:600;margin-top:auto;padding-top:8px}

/* muse section */
.muse{
  border:1px solid var(--line);border-radius:var(--radius);
  background:
    radial-gradient(60% 80% at 85% 20%, rgba(232,68,46,.1), transparent 70%),
    var(--ink-2);
  padding:52px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.muse h2{margin:12px 0 14px}
.muse-points{list-style:none;display:flex;flex-direction:column;gap:12px;margin:22px 0 28px}
.muse-points li{display:flex;gap:12px;font-size:.95rem;color:var(--muted)}
.muse-points li::before{content:"";min-width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:.5em}

/* pipeline */
.pipeline{display:flex;flex-direction:column}
.pipe{display:grid;grid-template-columns:120px 1fr auto;gap:24px;padding:26px 0;border-top:1px solid var(--line);align-items:baseline}
.pipe .stage{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-soft);font-weight:600}
.pipe b{font-size:1.15rem;font-family:'Fraunces',serif;font-weight:560}
.pipe p{color:var(--muted);font-size:.92rem;margin-top:4px}
.pipe .st{font-size:.78rem;color:var(--muted);border:1px solid var(--line);padding:4px 12px;border-radius:999px;white-space:nowrap}

/* about + contact */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.facts{list-style:none}
.facts li{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line);font-size:.93rem}
.facts li b{min-width:130px;color:var(--muted);font-weight:500}
form.contact{display:flex;flex-direction:column;gap:14px}
form.contact input,form.contact textarea,form.contact select{
  background:var(--ink-2);border:1px solid var(--line);border-radius:10px;color:var(--bone);
  padding:13px 16px;font:inherit;font-size:.95rem;
}
form.contact input:focus,form.contact textarea:focus,form.contact select:focus{outline:2px solid var(--accent);border-color:transparent}
form.contact button{align-self:flex-start;cursor:pointer;border:0;font:inherit}

/* footer */
footer.site{border-top:1px solid var(--line);padding:56px 0 40px;background:#0b0c0f}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.foot h4{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.foot ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.foot a{color:var(--muted);text-decoration:none;font-size:.92rem}
.foot a:hover{color:var(--bone)}
.foot .brand{margin-bottom:12px}
.foot-legal{border-top:1px solid var(--line);margin-top:44px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-legal p{font-size:.76rem;color:var(--muted-2);max-width:88ch}
.disclaimer{font-size:.78rem;color:var(--muted-2);margin-top:20px;max-width:100ch}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid,.tech-grid,.pd,.muse,.about-grid{grid-template-columns:1fr}
  .family{grid-template-columns:1fr}
  .sci{grid-template-columns:repeat(2,1fr)}
  .infofigs{grid-template-columns:repeat(2,1fr)}
  .certs{grid-template-columns:1fr 1fr}
  .foot{grid-template-columns:1fr 1fr}
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;background:var(--ink);
    border-bottom:1px solid var(--line);flex-direction:column;gap:0;padding:12px 24px 20px;
  }
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:12px 0}
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .hero-photo{order:-1}
}
@media (max-width:560px){
  .sci,.infofigs,.certs,.waves{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .pipe{grid-template-columns:1fr;gap:6px}
}

/* motion discipline */
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}