/* Rinnovare Labs™ — rinnovarelabs.com
   Gold sampled from the mark. Deep red taken from 660 nm, the wavelength the
   panels are actually built around. Distinct from the Pilargo system. */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:#0f1113; --deep:#16191d; --paper:#faf8f4; --panel:#f2eee6;
  --gold:#eba91f; --gold-deep:#b07d0d;
  --ember:#c8341a;                 /* 660 nm, the panels' core wavelength */
  --muted:#6d7075; --rule:#e2ddd2; --rule-strong:#c7c0b1;
  --display:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --data:'IBM Plex Mono',ui-monospace,monospace;
  --wrap:1160px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 30px}
a{color:var(--gold-deep);text-decoration:none;border-bottom:1px solid rgba(176,125,13,.3)}
a:hover{border-bottom-color:var(--gold-deep)}
img{max-width:100%;height:auto;display:block}

/* masthead */
.masthead{border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:0;z-index:40}
.masthead .wrap{display:flex;align-items:center;gap:26px;height:74px}
.brand{display:flex;align-items:center;border:0;flex-shrink:0}
.brand img{height:30px;width:auto}
.nav{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav > *{margin-left:24px}.nav > *:first-child{margin-left:0}
.nav a{font-family:var(--display);font-size:14.5px;font-weight:500;color:var(--ink);border:0}
.nav a:hover,.nav a.on{color:var(--gold-deep)}
.nav a.on{border-bottom:2px solid var(--gold);padding-bottom:2px}
.nav a.navcta{font-family:var(--display);font-size:14px;font-weight:600;background:var(--ink);
  color:var(--paper) !important;padding:10px 18px;border:0;border-radius:3px}
.navcta:hover{background:var(--gold-deep)}
.menubtn{display:none}

/* type */
.eyebrow{font-family:var(--data);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin:0 0 16px}
h1{font-family:var(--display);font-weight:700;font-size:54px;font-size:clamp(36px,5.2vw,60px);
  line-height:1.04;letter-spacing:-.03em;margin:0 0 20px}
h2{font-family:var(--display);font-weight:600;font-size:32px;font-size:clamp(25px,3vw,35px);
  line-height:1.14;letter-spacing:-.02em;margin:0 0 16px}
h3{font-family:var(--display);font-weight:600;font-size:19px;line-height:1.26;margin:0 0 9px}
.lede{font-size:20px;line-height:1.55;color:#3a3d42;max-width:60ch}
p{margin:0 0 17px;max-width:68ch}
.small{font-size:15px;color:var(--muted)}

section{padding:84px 0;border-bottom:1px solid var(--rule)}
section.dark{background:var(--ink);color:#d9d5cd;border:0}
section.dark h2,section.dark h3{color:var(--paper)}
section.dark .eyebrow{color:#8c8f95}
section.dark a{color:var(--gold);border-bottom-color:rgba(235,169,31,.35)}
.rail{display:grid;grid-template-columns:180px 1fr;gap:50px;align-items:start}
.rail > .side{position:sticky;top:100px}
.cols2{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}

.hero{padding:88px 0 76px;border-bottom:1px solid var(--rule)}
.btn{display:inline-block;font-family:var(--display);font-size:15px;font-weight:600;
  background:var(--ink);color:var(--paper);padding:14px 26px;border:0;border-radius:3px}
.btn:hover{background:var(--gold-deep)}
.btn.gold{background:var(--gold);color:var(--ink)}
.btn.gold:hover{background:var(--gold-deep);color:var(--paper)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--rule-strong)}
.btn.ghost:hover{background:var(--ink);color:var(--paper);box-shadow:none}
.btnrow{display:flex;gap:12px;flex-wrap:wrap}.btnrow > * + *{margin-left:12px}


/* gallery tiles — used on red-light.html so loose <img> tags never render
   full-bleed at their raw aspect ratio again */
.galitem{margin:0;background:var(--panel);border:1px solid var(--rule);border-radius:4px;
  aspect-ratio:4/5;overflow:hidden;display:flex;align-items:center;justify-content:center}
.galitem img{width:100%;height:100%;object-fit:contain;border-radius:0}

/* product cards */
.pcard{background:#fff;border:1px solid var(--rule);border-radius:5px;overflow:hidden;
  display:flex;flex-direction:column}
.pcard .ph{aspect-ratio:4/5;background:var(--panel);position:relative;overflow:hidden}
.pcard .ph img{width:100%;height:100%;object-fit:cover}
.pcard .bd{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.pcard .k{font-family:var(--data);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-deep);margin:0 0 8px}
.pcard p{font-size:15.5px;margin:0 0 16px}
.price{font-family:var(--display);font-size:23px;font-weight:600;margin:0 0 16px}
.price small{font-family:var(--data);font-size:12px;color:var(--muted);font-weight:400}
.pcard .btn{margin-top:auto;align-self:flex-start}

.spec{width:100%;border-collapse:collapse;font-size:15.5px;margin-top:6px}
.spec th{font-family:var(--display);font-weight:600;font-size:12.5px;letter-spacing:.05em;
  text-transform:uppercase;color:var(--muted);text-align:left;padding:0 14px 10px 0;
  border-bottom:1px solid var(--rule-strong)}
.spec td{padding:11px 14px 11px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.spec td.n{font-family:var(--data);font-size:14.5px;white-space:nowrap}
section.dark .spec td{border-bottom-color:#2a2e34}
section.dark .spec th{border-bottom-color:#3a3f46;color:#8c8f95}

/* wavelength strip — the panels' actual spectrum */
.wl{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 8px}
.wl{display:grid;grid-template-columns:repeat(8,1fr)}
.wl > div{flex:1 1 90px}
.wl div{padding:14px 8px;border-radius:3px;text-align:center;font-family:var(--data);
  font-size:12.5px;color:#fff}
.wl span{display:block;font-size:9.5px;opacity:.75;margin-top:4px;letter-spacing:.05em}

.note{background:var(--panel);border-left:3px solid var(--gold);padding:19px 22px;margin:24px 0;
  border-radius:0 3px 3px 0}
.note p{margin:0;font-size:16px;max-width:74ch}.note p + p{margin-top:11px}
.note .k{font-family:var(--data);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-deep);margin:0 0 7px}
section.dark .note{background:#1d2126;border-left-color:var(--gold)}
section.dark .note .k{color:var(--gold)}

footer{background:var(--ink);color:#a9adb3;padding:60px 0 34px;font-size:15.5px}
footer .wrap{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
footer h4{font-family:var(--display);font-size:12.5px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;color:var(--paper);margin:0 0 13px}
footer a{color:#a9adb3;border-bottom-color:rgba(255,255,255,.16)}
footer a:hover{color:var(--gold)}
footer p{margin:0 0 9px;max-width:40ch;font-size:15.5px}
.legal{border-top:1px solid #272b30;margin-top:40px;padding-top:22px;font-family:var(--data);
  font-size:11.5px;line-height:1.75;color:#7d8187;max-width:none}
.legal strong{color:#a9adb3}

@media (max-width:940px){
  .rail{grid-template-columns:1fr;gap:22px}.rail > .side{position:static}
  .cols3{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
  .wl{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:740px){
  body{font-size:16px}.wrap{padding:0 20px}section{padding:54px 0}
  .nav{display:none}
  .nav.open{display:flex;position:absolute;top:74px;left:0;right:0;background:var(--paper);
    flex-direction:column;gap:0;padding:8px 20px 16px;border-bottom:1px solid var(--rule)}
  .nav.open > *{margin-left:0}
  .nav.open a{padding:12px 0;border-bottom:1px solid var(--rule);width:100%}
  .nav.open .navcta{text-align:center;margin-top:10px}
  .menubtn{display:block;margin-left:auto;background:none;border:1px solid var(--rule-strong);
    border-radius:3px;padding:8px 12px;font-family:var(--display);font-size:13px;cursor:pointer}
  .cols2,.cols3{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
  .wl{grid-template-columns:repeat(2,1fr)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px}