/* ============================================================================
   SHLabs — unified design system
   A metallic, minimal dark theme in the SHLabs instrument language:
   greyscale charcoal + silver, with amber and azure reserved for function.
   Shared by the homepage and every product page.
   ============================================================================ */

:root{
  /* surfaces */
  --bg:        #1c1e22;
  --bg-deep:   #17181b;
  --panel:     #26292e;
  --panel-2:   #2b2f36;
  --edge:      #32363d;
  --edge-soft: #2a2e34;
  --track:     #3a3f47;
  --well:      #141518;

  /* ink */
  --txt:   #e7e9ec;
  --txt-2: #c8cdd4;
  --dim:   #8b929b;
  --faint: #888f99;   /* ~4.5:1 on --bg / --bg-deep for small labels */

  /* metal + function */
  --silver:   #bcc4cc;
  --silver-2: #ced3da;
  --amber:    #eca13c;
  --amber-2:  #f4b45f;
  --azure:    #35a8f0;
  --green:    #5da06b;
  --red:      #d05454;

  --radius:   10px;
  --radius-s: 6px;
  --maxw:     1200px;
  --ease:     cubic-bezier(.22,.61,.36,1);
  --shadow:   0 24px 60px -20px rgba(0,0,0,.65);

  --font: 'Inter', -apple-system, system-ui, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--bg); color:var(--txt);
  font-family:var(--font); font-weight:400; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  /* faint top glow + fine grain of depth, calm and metallic */
  background-image:
    radial-gradient(1200px 620px at 50% -280px, rgba(188,196,204,.06), transparent 70%),
    linear-gradient(var(--bg), var(--bg));
  background-attachment:fixed;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--amber); color:#1b1207; }
:focus-visible{ outline:2px solid var(--silver); outline-offset:3px; border-radius:3px; }

/* ── layout ─────────────────────────────────────────────────────────────── */
.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px,4vw,40px); }
.section{ padding:clamp(56px,9vh,104px) 0; }
.hair{ height:1px; background:var(--edge-soft); border:0; margin:0; }
.stack > * + *{ margin-top:1rem; }

/* ── type ───────────────────────────────────────────────────────────────── */
.eyebrow{
  font-family:var(--mono); font-size:.72rem; font-weight:500;
  letter-spacing:.26em; text-transform:uppercase; color:var(--dim);
}
.eyebrow--silver{ color:var(--silver); }
.display{
  font-weight:700; letter-spacing:-.02em; line-height:1.02;
  font-size:clamp(2.6rem,6.4vw,5rem); margin:0;
}
h1,h2,h3{ letter-spacing:-.01em; font-weight:650; }
.h2{ font-size:clamp(1.7rem,3vw,2.4rem); font-weight:700; letter-spacing:-.02em; margin:0; }
.h3{ font-size:1.18rem; font-weight:600; margin:0; }
.lead{ font-size:clamp(1.06rem,1.5vw,1.28rem); line-height:1.6; color:var(--txt-2); }
.muted{ color:var(--dim); }
.body{ color:var(--txt-2); }
.small{ font-size:.85rem; }
strong{ color:var(--txt); font-weight:600; }
.mono{ font-family:var(--mono); }
.link{ color:var(--azure); }
.link:hover{ text-decoration:underline; text-underline-offset:3px; }

/* a hairline label with a tick, echoing the plugin section headers */
.rule-label{ display:flex; align-items:center; gap:14px; margin-bottom:26px; }
.rule-label .eyebrow{ white-space:nowrap; }
.rule-label::after{ content:""; flex:1; height:1px; background:var(--edge); }

/* ── nav ────────────────────────────────────────────────────────────────── */
.nav{
  position:sticky; top:0; z-index:60;
  background:var(--bg);                                   /* fallback if color-mix unsupported */
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--edge-soft);
}
.nav__in{ display:flex; align-items:center; justify-content:space-between; height:62px; }
.brand{ display:inline-flex; align-items:center; gap:11px; }
.brand__mark{ width:22px; height:22px; flex:none; }
.brand__word{ font-weight:700; letter-spacing:.22em; font-size:1.02rem; color:var(--txt); }
.brand__word b{ color:var(--silver); font-weight:700; }
.nav__links{ display:flex; align-items:center; gap:6px; }
.nav__link{
  font-size:.9rem; color:var(--dim); padding:8px 12px; border-radius:var(--radius-s);
  transition:color .16s var(--ease), background .16s var(--ease);
}
.nav__link:hover{ color:var(--txt); background:var(--panel); }
.nav__cta{
  font-size:.9rem; color:var(--txt); padding:8px 15px; border-radius:var(--radius-s);
  border:1px solid var(--edge); transition:border-color .16s var(--ease), background .16s var(--ease);
}
.nav__cta:hover{ border-color:var(--silver); background:var(--panel); }

/* dropdown */
.menu{ position:relative; }
.menu__panel{
  position:absolute; right:0; top:calc(100% + 10px); width:290px;
  background:var(--panel); border:1px solid var(--edge); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:8px; opacity:0; visibility:hidden;
  transform:translateY(-6px); transition:opacity .16s var(--ease), transform .16s var(--ease), visibility .16s;
}
.menu.open .menu__panel, .menu:hover .menu__panel{ opacity:1; visibility:visible; transform:none; }
.menu__head{ font-family:var(--mono); font-size:.62rem; letter-spacing:.24em; text-transform:uppercase; color:var(--faint); padding:10px 12px 4px; }
.menu__item{ display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:var(--radius-s); color:var(--txt-2); font-size:.92rem; }
.menu__item:hover{ background:var(--panel-2); color:var(--txt); }
.menu__item .dot{ width:7px; height:7px; border-radius:2px; background:var(--silver); flex:none; }
.nav__burger{ display:none; width:40px; height:40px; border:1px solid var(--edge); border-radius:var(--radius-s); background:var(--panel); color:var(--txt); align-items:center; justify-content:center; }
.nav__burger svg{ width:18px; height:18px; }

/* ── buttons ────────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex; align-items:center; gap:9px; font-weight:550; font-size:.95rem;
  padding:12px 20px; border-radius:var(--radius-s); border:1px solid var(--edge);
  background:var(--panel); color:var(--txt); cursor:pointer;
  transition:transform .14s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}
.btn:hover{ border-color:var(--silver); background:var(--panel-2); transform:translateY(-1px); }
.btn--primary{ background:var(--silver); border-color:var(--silver); color:#1a1c20; font-weight:600; }
.btn--primary:hover{ background:var(--silver-2); border-color:var(--silver-2); }
.btn--amber{ background:var(--amber); border-color:var(--amber); color:#1b1207; font-weight:600; }
.btn--amber:hover{ background:var(--amber-2); border-color:var(--amber-2); }
.btn--ghost{ background:transparent; }
.btn .arw{ transition:transform .18s var(--ease); }
.btn:hover .arw{ transform:translateX(3px); }

/* chip / pill */
.chip{
  display:inline-flex; align-items:center; gap:7px; font-family:var(--mono);
  font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color:var(--txt-2);
  padding:6px 11px; border-radius:99px; border:1px solid var(--edge); background:var(--panel);
}
.chip .led{ width:7px; height:7px; border-radius:99px; background:var(--amber); box-shadow:0 0 8px var(--amber); }
.chip--soon{ color:var(--amber); border-color:color-mix(in srgb,var(--amber) 45%, var(--edge)); }
.chip--free{ color:var(--green); border-color:color-mix(in srgb,var(--green) 45%, var(--edge)); }
.chip--free .led{ background:var(--green); box-shadow:0 0 8px var(--green); }
.catbar{ display:flex; flex-wrap:wrap; gap:8px; }
.cat{
  font-family:var(--mono); font-size:.74rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--dim); padding:8px 14px; border-radius:99px; border:1px solid var(--edge); background:var(--panel);
  transition:color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}
.cat:hover{ color:var(--txt); border-color:var(--silver); }
.cat--on{ color:var(--silver); border-color:color-mix(in srgb,var(--silver) 45%, var(--edge)); }

/* ── cards ──────────────────────────────────────────────────────────────── */
.grid{ display:grid; gap:18px; }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-3{ grid-template-columns:repeat(3,1fr); }

.card{
  position:relative; display:block; background:var(--panel);
  border:1px solid var(--edge); border-radius:var(--radius); overflow:hidden;
  transition:transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
a.card:hover{ transform:translateY(-3px); border-color:var(--silver); background:var(--panel-2); }
.card__accent{ height:2px; background:var(--accent, var(--silver)); opacity:.9; }
.card__body{ padding:22px; }
.prod{ display:flex; gap:18px; }
.prod__logo{
  width:60px; height:60px; flex:none; border-radius:14px; border:1px solid var(--edge);
  background:var(--well);
}
.prod__top{ display:flex; align-items:baseline; justify-content:space-between; gap:10px; flex-wrap:wrap; margin-bottom:8px; }
.prod__name{ font-family:var(--mono); font-size:.72rem; letter-spacing:.2em; text-transform:uppercase; color:var(--accent, var(--silver)); }
.prod__meta{ font-family:var(--mono); font-size:.68rem; letter-spacing:.06em; color:var(--dim); }
.prod__title{ font-size:1.16rem; font-weight:600; margin:0 0 8px; color:var(--txt); }
.prod__desc{ font-size:.9rem; color:var(--dim); line-height:1.58; margin:0; }
.prod__foot{ font-family:var(--mono); font-size:.68rem; letter-spacing:.04em; color:var(--faint); margin-top:14px; }

/* feature card (product pages) */
.feat{ background:var(--panel); border:1px solid var(--edge); border-radius:var(--radius); padding:22px; transition:border-color .18s var(--ease), transform .18s var(--ease); }
.feat:hover{ border-color:color-mix(in srgb,var(--accent,var(--silver)) 55%, var(--edge)); transform:translateY(-2px); }
.feat__k{ font-family:var(--mono); font-size:.66rem; letter-spacing:.18em; text-transform:uppercase; color:var(--accent,var(--silver)); margin-bottom:8px; }
.feat__t{ font-size:1.05rem; font-weight:600; margin:0 0 8px; }
.feat__b{ font-size:.9rem; color:var(--dim); line-height:1.6; margin:0; }

/* ── control furniture (the SHLabs "faders etc.") ───────────────────────── */
.rig{
  display:flex; gap:16px; align-items:flex-end; padding:22px 24px;
  background:linear-gradient(180deg,var(--panel),var(--bg-deep));
  border:1px solid var(--edge); border-radius:14px; box-shadow:var(--shadow);
}
.rig__col{ display:flex; flex-direction:column; align-items:center; gap:10px; }
.rig__cap{ font-family:var(--mono); font-size:.58rem; letter-spacing:.14em; text-transform:uppercase; color:var(--dim); }

/* vertical fader — recessed groove, silver gradient fill, sculpted cap */
.fader{ position:relative; width:40px; height:var(--h,168px); }
.fader__groove{
  position:absolute; left:50%; top:0; transform:translateX(-50%);
  width:7px; height:100%; border-radius:4px; background:var(--well);
  box-shadow:inset 0 2px 5px rgba(0,0,0,.6), inset 0 0 0 1px rgba(255,255,255,.04);
}
.fader__fill{
  position:absolute; left:50%; transform:translateX(-50%); bottom:0;
  width:7px; height:calc(100% - var(--pos,40%)); border-radius:4px;
  background:linear-gradient(180deg, var(--silver-2), color-mix(in srgb,var(--silver) 45%, #000));
}
.fader__cap{
  position:absolute; left:50%; top:var(--pos,40%); transform:translate(-50%,-50%);
  width:30px; height:15px; border-radius:3px;
  background:linear-gradient(180deg,#f2f4f7,#a7adb6);
  box-shadow:0 2px 4px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.7);
}
.fader__cap::before, .fader__cap::after{
  content:""; position:absolute; left:5px; right:5px; height:1px;
}
.fader__cap::before{ top:6px; background:rgba(20,22,26,.55); box-shadow:0 3px 0 rgba(20,22,26,.35), 0 -3px 0 rgba(20,22,26,.35); }
.fader__cap::after{ top:7px; background:rgba(255,255,255,.35); }
.fader__ticks{ position:absolute; right:-2px; top:0; height:100%; width:6px; }
.fader__ticks i{ position:absolute; right:0; width:5px; height:1px; background:var(--dim); opacity:.35; }

/* knob — track arc + silver value arc + white pointer */
/* knob: --val is a UNITLESS number (0–100). track arc + silver value arc + white pointer */
.knob{ position:relative; width:var(--d,60px); height:var(--d,60px); }
.knob__face{
  position:absolute; inset:0; border-radius:50%;
  background:conic-gradient(from 135deg,
      var(--silver-2) 0 calc(var(--val,55) * .82 * 1%),
      var(--track)    calc(var(--val,55) * .82 * 1%) 82%,
      transparent 82%);
  -webkit-mask:radial-gradient(circle, transparent 49%, #000 50%);
          mask:radial-gradient(circle, transparent 49%, #000 50%);
}
.knob__disc{
  position:absolute; inset:20%; border-radius:50%;
  background:radial-gradient(circle at 50% 34%, #363b42, #22262b);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.09), 0 2px 5px rgba(0,0,0,.45);
}
.knob__ptr{
  position:absolute; left:50%; top:50%; width:2px; height:30%;
  background:#fff; border-radius:2px; transform-origin:50% 100%;
  transform:translate(-50%,-100%) rotate(calc((var(--val,55) - 50) * 2.7deg));
}

/* mini meter — segmented level */
.meter{ display:flex; flex-direction:column-reverse; gap:3px; width:10px; height:var(--h,150px); }
.meter i{ flex:1; border-radius:1px; background:var(--track); }
.meter i.on{ background:var(--silver); }
.meter i.pk{ background:var(--amber); }

/* ── product page hero ──────────────────────────────────────────────────── */
.crumb{ font-family:var(--mono); font-size:.72rem; letter-spacing:.08em; color:var(--dim); padding:26px 0 0; }
.crumb a{ color:var(--dim); } .crumb a:hover{ color:var(--txt); }
.phero__grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:52px; align-items:center; padding:34px 0 8px; }
.phero__logo{ width:76px; height:76px; border-radius:18px; border:1px solid var(--edge); background:var(--well); margin-bottom:22px; box-shadow:0 10px 26px rgba(0,0,0,.45); }
.phero__accentline{ width:64px; height:3px; border-radius:2px; background:var(--accent,var(--silver)); margin-bottom:20px; }
.phero__title{ font-size:clamp(2.6rem,6vw,4.4rem); font-weight:700; letter-spacing:-.03em; line-height:1; margin:0 0 22px; }
.phero__meta{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-top:26px; }

.hero-panel{
  position:relative; aspect-ratio:4/3; border:1px solid var(--edge); border-radius:16px;
  background:radial-gradient(130% 100% at 50% -10%, var(--panel), var(--bg-deep));
  box-shadow:var(--shadow); overflow:hidden;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:30px;
}
.hero-panel::before{
  content:""; position:absolute; top:-30%; left:50%; transform:translateX(-50%);
  width:70%; height:70%; border-radius:50%;
  background:radial-gradient(circle, color-mix(in srgb,var(--accent,var(--silver)) 30%, transparent), transparent 70%);
  filter:blur(20px); opacity:.5;
}
.hero-panel__logo{ width:132px; height:132px; border-radius:28px; border:1px solid var(--edge); box-shadow:0 16px 36px rgba(0,0,0,.55); position:relative; z-index:1; }
.hero-panel__strip{ display:flex; gap:16px; align-items:flex-end; position:relative; z-index:1; }

/* ── screenshot / media frame ───────────────────────────────────────────── */
.frame{ border:1px solid var(--edge); border-radius:12px; overflow:hidden; background:var(--panel); box-shadow:var(--shadow); }
.frame img{ width:100%; display:block; }

/* hero collage — overlapping stack of real plugin UIs (normal flow = correct aspect) */
.hero-rig{ align-self:center; }
.shotstack{ display:flex; flex-direction:column; width:100%; max-width:440px; margin-inline:auto; }
.shotstack img{
  display:block; width:80%; height:auto; border:1px solid var(--edge); border-radius:9px;
  background:var(--panel); box-shadow:0 20px 44px -22px rgba(0,0,0,.82); transition:transform .3s var(--ease);
}
.shotstack .s1{ align-self:flex-start; transform:rotate(-2.5deg); z-index:1; }
.shotstack .s2{ align-self:flex-end;   transform:rotate(2deg);    margin-top:-16%; z-index:2; }
.shotstack .s3{ align-self:center;     transform:rotate(-1.5deg); margin-top:-13%; z-index:3; }
.shotstack:hover .s1{ transform:rotate(-3.5deg) translateX(-6px); }
.shotstack:hover .s2{ transform:rotate(3deg)   translateX(6px); }

/* ── footer ─────────────────────────────────────────────────────────────── */
.foot{ background:var(--bg-deep); border-top:1px solid var(--edge-soft); }
.foot__grid{ display:grid; grid-template-columns:1.6fr repeat(4, 1fr); gap:32px; padding:56px 0 40px; }
.foot__word{ font-weight:700; letter-spacing:.2em; color:var(--txt); margin-bottom:12px; }
.foot__word b{ color:var(--silver); }
.foot__blurb{ color:var(--dim); font-size:.9rem; max-width:34ch; }
.foot__h{ font-family:var(--mono); font-size:.64rem; letter-spacing:.2em; text-transform:uppercase; color:var(--faint); margin:0 0 12px; }
.foot__col a{ display:block; color:var(--dim); font-size:.9rem; padding:4px 0; transition:color .14s var(--ease); }
.foot__col a:hover{ color:var(--txt); }
.foot__bar{ display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; padding:20px 0 40px; border-top:1px solid var(--edge-soft); color:var(--faint); font-family:var(--mono); font-size:.72rem; letter-spacing:.04em; }
.swiss{ display:inline-flex; align-items:center; gap:7px; }

/* ── reveal on scroll (progressive enhancement: visible without JS) ──────── */
.reveal{ opacity:1; transform:none; }
html.js .reveal{ opacity:0; transform:translateY(16px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
html.js .reveal.in{ opacity:1; transform:none; }

/* ── hero grid ──────────────────────────────────────────────────────────── */
.hero__grid{ display:grid; grid-template-columns:1.12fr .88fr; gap:48px; align-items:center; }

/* ── responsive ─────────────────────────────────────────────────────────── */
@media (max-width:960px){
  .hero__grid{ grid-template-columns:1fr; gap:36px; }
  .hero-rig{ justify-content:flex-start !important; }
}
@media (max-width:920px){
  .foot__grid{ grid-template-columns:1fr 1fr; gap:28px; }
}
@media (max-width:860px){
  .phero__grid{ grid-template-columns:1fr; gap:32px; }
  .phero__panelwrap{ order:-1; }
  .phero__logo{ display:none; }   /* panel already shows the logo large */
}
@media (max-width:640px){
  .hero-rig{ display:none; }
  .branches{ grid-template-columns:1fr !important; gap:20px !important; }
  .hero-panel{ aspect-ratio:auto; padding:44px 20px; }
}
@media (max-width:760px){
  .nav__links{
    position:fixed; inset:62px 0 auto 0; flex-direction:column; align-items:stretch; gap:2px;
    background:var(--panel); border-bottom:1px solid var(--edge); padding:12px 16px 18px;
    transform:translateY(-120%); transition:transform .24s var(--ease); box-shadow:var(--shadow);
    max-height:calc(100vh - 62px); overflow-y:auto; overscroll-behavior:contain;
  }
  .nav__links.open{ transform:none; }
  .nav__link, .nav__cta{ padding:12px; }
  .menu__panel{ position:static; opacity:1; visibility:visible; transform:none; box-shadow:none; border:0; background:transparent; padding:4px 0 8px; width:auto; }
  .menu__item{ padding:10px 12px; }
  .nav__burger{ display:inline-flex; }
  .grid-2, .grid-3{ grid-template-columns:1fr; }
  .foot__grid{ grid-template-columns:1fr 1fr; }
  .rig{ transform:scale(.9); transform-origin:left bottom; }
}
@media (max-width:440px){
  .foot__grid{ grid-template-columns:1fr; }
}
@media (prefers-reduced-motion:reduce){
  *{ scroll-behavior:auto !important; }
  html.js .reveal{ opacity:1; transform:none; transition:none; }
  .btn:hover, a.card:hover, .feat:hover{ transform:none; }
  .nav__links, .menu__panel, .btn .arw{ transition:none; }
  .btn:hover .arw{ transform:none; }
}