/* =========================================================================
   PEGATO LABS — DESIGN SYSTEM
   Base: graphite/near-black · Signal amber primary · per-lab accent hues
   Type: Chakra Petch (display, cyber/quant-leaning geometric) + Inter (body)
   ========================================================================= */

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

:root{
  /* base surfaces */
  --bg:            #08090b;
  --bg-raised:     #0d1013;
  --surface:       #12161a;
  --surface-2:     #171c21;
  --border:        #22282e;
  --border-soft:   #1a1f24;

  /* text */
  --text:          #f2f4f2;
  --text-dim:      #9aa2a8;
  --text-faint:    #626a70;

  /* brand */
  --accent:        #ff7a3c;   /* PEGATO signal amber — umbrella brand */
  --accent-dim:    #b85a2c;
  --accent-soft:   rgba(255,122,60,.12);

  /* lab colors */
  --tragent:       #9c8bff;
  --tragent-soft:  rgba(156,139,255,.12);
  --oce:           #4da3ff;
  --oce-soft:      rgba(77,163,255,.12);
  --parallax:      #33e6b8;
  --parallax-soft: rgba(51,230,184,.12);

  --radius-s: 3px;
  --radius-m: 6px;
  --container: 1280px;
  --gutter: clamp(20px, 4vw, 64px);

  --ease: cubic-bezier(.22,.68,0,1);

  /* type */
  --font-display: 'Chakra Petch', 'Inter', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font:inherit; }

::selection{ background:var(--accent); color:#0a0a0a; }

:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:2px;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.05;
  margin:0;
  letter-spacing:-0.005em;
}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding-inline:var(--gutter);
}

.mono{
  font-family:'IBM Plex Mono',monospace;
  font-weight:500;
  letter-spacing:.02em;
}

/* -------------------------------------------------------------------- */
/* background texture — subtle engineering grid, fixed, behind content   */
/* -------------------------------------------------------------------- */
.grid-field{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 10%, transparent 75%);
}

/* =========================================================================
   NAV
   ========================================================================= */
.nav{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(8,9,11,.72);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border-soft);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.05rem;
  letter-spacing:-.01em;
}
.brand-mark{ width:22px; height:22px; flex:none; color:var(--accent); }
.brand small{
  display:block;
  font-family:'Inter',sans-serif;
  font-weight:500;
  font-size:.68rem;
  letter-spacing:.04em;
  color:var(--text-faint);
  margin-top:1px;
}
/* header lockup has a two-line label (title + subtitle) — size and
   top-align the mark so it spans from the title's cap-height down to the
   subtitle's baseline, instead of a small icon floating mid-height */
.nav .brand{ align-items:flex-start; gap:12px; }
.nav .brand-mark{ width:46px; height:46px; }

.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-links > a{
  position:relative;
  padding:10px 16px;
  font-size:.92rem;
  color:var(--text-dim);
  transition:color .18s var(--ease);
}
.nav-links > a:hover{ color:var(--text); }
.nav-links > a.is-active{ color:var(--text); }
.nav-links > a.is-active::after{
  content:'';
  position:absolute;
  left:16px; right:16px; bottom:5px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}

.nav-cta{
  display:flex;
  align-items:center;
  gap:10px;
}

/* ---------------------------------------------------------------------- */
/* MEGA MENU                                                               */
/* ---------------------------------------------------------------------- */
.nav-item{ position:relative; }
.nav-trigger{
  display:flex;
  align-items:center;
  gap:6px;
  padding:10px 16px;
  background:none;
  border:none;
  color:var(--text-dim);
  font-size:.92rem;
  font-family:inherit;
  cursor:pointer;
  transition:color .18s var(--ease);
}
.nav-trigger:hover{ color:var(--text); }
.nav-item.is-open .nav-trigger{ color:var(--text); }
.nav-trigger .chev{
  transition:transform .22s var(--ease);
  flex:none;
}
.nav-item.is-open .nav-trigger .chev{ transform:rotate(180deg); }

.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  left:50%;
  transform:translate(-50%, 8px);
  width:min(760px, 86vw);
  background:var(--bg-raised);
  border:1px solid var(--border);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  padding:0;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
  z-index:120;
}
.nav-item.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translate(-50%, 0);
}
.mega-panel.align-left{ left:0; transform:translate(0,8px); }
.nav-item.is-open .mega-panel.align-left{ transform:translate(0,0); }
.mega-panel.align-right{ left:auto; right:0; transform:translate(0,8px); }
.nav-item.is-open .mega-panel.align-right{ transform:translate(0,0); }

.mega-promo{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 26px;
  background:linear-gradient(90deg, rgba(255,122,60,.16), rgba(255,122,60,.04));
  border-bottom:1px solid var(--border-soft);
}
.mega-promo strong{ font-family:var(--font-display); font-size:.98rem; font-weight:600; display:block; }
.mega-promo span{ font-size:.82rem; color:var(--text-dim); }
.mega-promo .mega-arrow{ font-size:.8rem; color:var(--accent); white-space:nowrap; font-weight:600; }

.mega-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
}
.mega-body{ display:flex; }
.mega-grid.single{ grid-template-columns:1fr; width:320px; flex:none; }
.mega-col{ padding:22px 26px; }
.mega-col + .mega-col{ border-left:1px solid var(--border-soft); }
.mega-side{
  flex:1;
  min-width:230px;
  border-left:1px solid var(--border-soft);
  padding:22px 24px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  gap:6px;
  background:linear-gradient(180deg, rgba(255,122,60,.05), transparent 60%);
}
.mega-side-caption{ font-size:.78rem; color:var(--text-faint); line-height:1.4; margin-top:4px; }
.mega-quote-mark{
  font-family:var(--font-display);
  font-size:2.6rem;
  line-height:1;
  color:var(--accent);
  opacity:.55;
}
.mega-quote{ font-family:var(--font-display); font-size:1.15rem; font-weight:600; color:var(--text); margin-top:-10px; }
.mega-quote-link{ font-size:.8rem; color:var(--accent); font-weight:600; margin-top:8px; }
.mega-col h6{
  font-family:'IBM Plex Mono',monospace;
  font-size:.7rem;
  letter-spacing:.05em;
  color:var(--text-faint);
  margin:0 0 14px;
}
.mega-link{
  display:block;
  padding:10px 0;
  border-radius:4px;
}
.mega-link strong{
  display:block;
  font-size:.92rem;
  font-weight:600;
  color:var(--text);
  font-family:'Inter',sans-serif;
}
.mega-link span{
  display:block;
  font-size:.8rem;
  color:var(--text-faint);
  margin-top:2px;
}
.mega-link:hover strong{ color:var(--accent); }

.mega-link-icon{
  display:flex;
  gap:12px;
  padding:11px 0;
}
.mega-link-icon .ic{
  width:30px; height:30px;
  flex:none;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border);
  border-radius:5px;
  color:var(--text-dim);
}
.mega-link-icon:hover .ic{ border-color:var(--accent); color:var(--accent); }
.mega-link-icon strong{ display:block; font-size:.9rem; font-weight:600; }
.mega-link-icon span{ display:block; font-size:.78rem; color:var(--text-faint); margin-top:1px; }

@media (max-width:880px){
  .nav-item{ width:100%; }
  .nav-trigger{ width:100%; justify-content:space-between; padding:16px 4px; border-bottom:1px solid var(--border-soft); }
  .mega-panel{
    position:static;
    width:100%;
    transform:none !important;
    border:none;
    box-shadow:none;
    background:var(--bg-raised);
    max-height:0;
    overflow:hidden;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    transition:max-height .25s var(--ease);
  }
  .nav-item.is-open .mega-panel{ max-height:900px; }
  .mega-grid{ grid-template-columns:1fr; }
  .mega-grid.single{ width:auto; }
  .mega-col + .mega-col{ border-left:none; border-top:1px solid var(--border-soft); }
  .mega-body{ flex-direction:column; }
  .mega-side{ display:none; }
}

.nav-toggle{
  display:none;
  width:38px; height:38px;
  border:1px solid var(--border);
  border-radius:var(--radius-s);
  background:transparent;
  color:var(--text);
  align-items:center;
  justify-content:center;
  cursor:pointer;
}

@media (max-width: 880px){
  .nav-links{
    position:fixed;
    inset:76px 0 0 0;
    background:var(--bg);
    flex-direction:column;
    align-items:stretch;
    padding:12px var(--gutter) 32px;
    gap:0;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .2s var(--ease), transform .2s var(--ease);
    border-top:1px solid var(--border-soft);
  }
  .nav-links.is-open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .nav-links a{ padding:16px 4px; border-bottom:1px solid var(--border-soft); font-size:1.05rem; }
  .nav-toggle{ display:inline-flex; }
  .nav-cta .btn{ display:none; }
}

/* =========================================================================
   BUTTONS / BADGES
   ========================================================================= */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-s);
  font-size:.92rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s var(--ease), background .15s var(--ease), border-color .15s var(--ease), color .15s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#0a0704;
}
.btn-primary:hover{ background:#ff8f5c; }
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--text);
}
.btn-ghost:hover{ border-color:var(--text-faint); background:var(--surface); }
.btn-sm{ padding:8px 14px; font-size:.82rem; }

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 10px;
  border-radius:100px;
  border:1px solid var(--border);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.03em;
  color:var(--text-dim);
}
.badge .dot{ width:6px; height:6px; border-radius:50%; background:var(--text-faint); flex:none; }
.badge.status-live{ color:#a8f0d6; border-color:rgba(51,230,184,.28); background:var(--parallax-soft); }
.badge.status-live .dot{ background:var(--parallax); box-shadow:0 0 0 3px var(--parallax-soft); animation:pulse 2.2s infinite; }
.badge.status-build{ color:#ffd2ae; border-color:rgba(255,122,60,.3); background:var(--accent-soft); }
.badge.status-build .dot{ background:var(--accent); }
.badge.status-research{ color:#c9c1ff; border-color:rgba(156,139,255,.3); background:var(--tragent-soft); }
.badge.status-research .dot{ background:var(--tragent); }

@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(51,230,184,.45); }
  70%{ box-shadow:0 0 0 8px rgba(51,230,184,0); }
  100%{ box-shadow:0 0 0 0 rgba(51,230,184,0); }
}

/* =========================================================================
   TYPE UTILITIES
   ========================================================================= */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.78rem;
  color:var(--text-faint);
  margin-bottom:18px;
}
.eyebrow::before{
  content:'';
  width:16px; height:1px;
  background:var(--accent);
}

.h-hero{
  font-size:clamp(2.2rem, 4.6vw, 4.4rem);
  max-width:none;
}
.hero-subtag{
  font-family:var(--font-display);
  font-weight:500;
  font-size:clamp(1.1rem, 2vw, 1.5rem);
  color:var(--text);
  margin-top:16px;
  letter-spacing:-.005em;
}
.h-display{
  font-size:clamp(2rem, 4.4vw, 3.4rem);
  max-width:18ch;
}
.h-section{
  font-size:clamp(1.6rem, 2.6vw, 2.2rem);
  max-width:20ch;
}
.lede{
  font-size:clamp(1.05rem, 1.6vw, 1.25rem);
  color:var(--text-dim);
  max-width:56ch;
  font-weight:400;
}
p{ color:var(--text-dim); }
.text-body p, .prose p{ max-width:64ch; }

/* =========================================================================
   SECTION / LAYOUT
   ========================================================================= */
main{ position:relative; z-index:1; }
.section{ padding:clamp(64px,10vw,132px) 0; position:relative; }
.section-tight{ padding:clamp(40px,6vw,80px) 0; }
.hairline{ border-top:1px solid var(--border-soft); }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  margin-bottom:56px;
  flex-wrap:wrap;
}

.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:var(--gutter); }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border-soft); border:1px solid var(--border-soft); }
.grid-3 > *{ background:var(--bg); }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:var(--gutter); }

@media (max-width:900px){
  .grid-2{ grid-template-columns:1fr; }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .grid-3{ grid-template-columns:1fr; }
}

/* =========================================================================
   HERO
   ========================================================================= */
.hero{
  padding:96px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:34px;
  flex-wrap:wrap;
  gap:16px;
  position:relative;
  z-index:1;
}
.hero-glow{
  position:absolute;
  top:-140px; left:50%;
  width:900px; height:520px;
  transform:translateX(-50%);
  background:radial-gradient(closest-side, rgba(255,122,60,.16), transparent 70%);
  pointer-events:none;
  z-index:0;
}

/* full-bleed, edge-to-edge — no bounding box of its own. It sits behind the
   copy and is masked so it fades out toward the text instead of ending in a
   hard rectangle, like a free-floating layer rather than a boxed graphic. */
.hero-tesseract{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  z-index:0;
  pointer-events:none;
  -webkit-mask-image: radial-gradient(ellipse 120% 120% at 50% 50%, #000 0%, #000 66%, transparent 100%);
          mask-image: radial-gradient(ellipse 120% 120% at 50% 50%, #000 0%, #000 66%, transparent 100%);
}
@media (max-width:980px){
  .hero-tesseract{
    -webkit-mask-image: radial-gradient(ellipse 120% 105% at 50% 46%, #000 0%, #000 60%, transparent 100%);
            mask-image: radial-gradient(ellipse 120% 105% at 50% 46%, #000 0%, #000 60%, transparent 100%);
  }
}

.hero-copy{
  position:relative;
  z-index:1;
  max-width:640px;
}
.hero h1{ position:relative; z-index:1; }
.hero .lede{ margin-top:26px; position:relative; z-index:1; }
.hero-actions{ display:flex; gap:14px; margin-top:38px; flex-wrap:wrap; position:relative; z-index:1; }
.accent-line{ color:var(--accent); }

.reveal-line{
  display:block;
  overflow:hidden;
}
.reveal-line span{
  display:block;
  transform:translateY(112%);
  animation:reveal-up .9s var(--ease) forwards;
}
.reveal-line:nth-child(2) span{ animation-delay:.1s; }
.reveal-line--d1 span{ animation-delay:.16s; }
@keyframes reveal-up{ to{ transform:translateY(0); } }

/* =========================================================================
   PROOF SECTION — 4-pillar characteristics + system-trace mockup cards
   ========================================================================= */
.pillars-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px 64px;
  margin-bottom:60px;
}
.pillar-head{ display:flex; align-items:center; gap:16px; margin-bottom:22px; }
.pillar-index{
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;
  color:var(--text-faint);
  border:1px solid var(--border);
  padding:4px 9px;
  border-radius:3px;
  flex:none;
}
.pillar-rule{ flex:1; height:1px; background:var(--border-soft); }
.pillar-body{ display:flex; gap:22px; align-items:flex-start; }
.pillar-tile{
  position:relative;
  flex:none;
  width:74px; height:74px;
  border:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-raised);
  color:var(--text-dim);
  clip-path:polygon(0 0, 100% 0, 100% 78%, 78% 100%, 0 100%);
}
.pillar-dot{
  position:absolute; top:7px; left:7px;
  width:6px; height:6px; border-radius:50%;
  background:#28c840;
  animation:livePulse 2s infinite;
}
.pillar-text h4{ font-size:1.02rem; margin-bottom:8px; }
.pillar-text p{ font-size:.86rem; margin:0; color:var(--text-dim); }
.proof-subhead{ margin-bottom:32px; }
.proof-subhead .eyebrow{ margin-bottom:0; }

@media (max-width:820px){
  .pillars-grid{ grid-template-columns:1fr; gap:36px; }
}

.proof-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  margin-top:8px;
}
.proof-card{ display:flex; flex-direction:column; gap:16px; }
.proof-card h4{ font-size:1.05rem; }
.proof-card p{ font-size:.88rem; margin:0; }

.proof-window-wrap{ position:relative; }
.proof-window{
  position:relative;
  z-index:1;
  background:#0a0c0e;
  border:1px solid var(--border);
  border-radius:9px;
  overflow:hidden;
  box-shadow:0 22px 46px rgba(0,0,0,.5);
}
/* mouse-reactive spotlight ring — subtle, only on the border, tracks the cursor */
.proof-window::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:inherit;
  padding:1px;
  background:radial-gradient(220px circle at var(--mx,50%) var(--my,-20%), var(--lab-c, var(--accent)), transparent 72%);
  opacity:0;
  transition:opacity .3s ease;
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
          mask-composite:exclude;
  pointer-events:none;
  z-index:2;
}
.proof-window.is-glowing::before{ opacity:.6; }
.proof-window-bar{
  display:flex;
  align-items:center;
  gap:6px;
  padding:10px 14px;
  border-bottom:1px solid var(--border-soft);
  background:var(--bg-raised);
}
.proof-window-bar .pdot{ width:8px; height:8px; border-radius:50%; flex:none; opacity:.85; }
.proof-path{
  margin-left:8px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.7rem;
  color:var(--text-faint);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.proof-live{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:5px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.62rem;
  letter-spacing:.06em;
  color:#7fe6b9;
  flex:none;
}
.proof-live-dot{
  width:6px; height:6px; border-radius:50%;
  background:#28c840;
  animation:livePulse 2s infinite;
}
@keyframes livePulse{
  0%{ box-shadow:0 0 0 0 rgba(40,200,64,.55); }
  70%{ box-shadow:0 0 0 6px rgba(40,200,64,0); }
  100%{ box-shadow:0 0 0 0 rgba(40,200,64,0); }
}

.proof-body{
  padding:16px 16px 18px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.76rem;
  line-height:1.75;
  height:210px;
  overflow:hidden;
  transition:opacity .4s ease;
}
.proof-body.is-fading{ opacity:0; }
.proof-body-ticker{ display:flex; flex-direction:column; }

.proof-line{ color:var(--text-dim); white-space:normal; }
.proof-line.dim{ color:var(--text-faint); }
.proof-line.ok{ color:var(--text); }
.proof-line.ok strong{ color:#7fe6b9; font-weight:600; }
.proof-line.warn strong{ color:#ffb37a; font-weight:600; }
.proof-line.add{ color:#7fe6b9; }
.proof-line.remove{ color:#8b6a63; text-decoration:line-through; text-decoration-color:rgba(139,106,99,.5); }
.proof-line .k{ color:var(--lab-c, var(--accent)); font-weight:600; margin-right:6px; }
.proof-rule{ height:1px; background:var(--border-soft); margin:9px 0; }

.proof-line-in{ animation:proofLineIn .32s ease both; }
@keyframes proofLineIn{ from{ opacity:0; transform:translateY(5px); } to{ opacity:1; transform:translateY(0); } }
.proof-cursor{
  display:inline-block;
  color:var(--lab-c, var(--accent));
  animation:proofBlink 1s steps(2) infinite;
  margin-left:2px;
}
@keyframes proofBlink{ 50%{ opacity:0; } }

.proof-pipeline{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
  margin-top:52px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.76rem;
  letter-spacing:.04em;
}
.proof-pipeline span{
  padding:8px 16px;
  border:1px solid var(--border);
  border-radius:100px;
  color:var(--text-dim);
}
.proof-pipeline span.accent{ color:var(--accent); border-color:rgba(255,122,60,.4); background:var(--accent-soft); }
.proof-pipeline i{ font-style:normal; color:var(--text-faint); }
.proof-note{
  text-align:center;
  margin-top:18px;
  font-size:.8rem;
  color:var(--text-faint);
}

@media (max-width:900px){
  .proof-grid{ grid-template-columns:1fr; }
}

/* =========================================================================
   LAB / PRODUCT PANELS  (home page showcase)
   ========================================================================= */
.lab-panel{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:0;
  border:1px solid var(--border-soft);
  background:var(--bg-raised);
  margin-bottom:1px;
}
.lab-panel + .lab-panel{ border-top:none; }
.lab-copy{
  padding:clamp(32px,4vw,56px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  border-right:1px solid var(--border-soft);
}
.lab-visual{
  padding:clamp(32px,4vw,56px);
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
  min-height:280px;
}
.lab-tag{
  font-family:'IBM Plex Mono',monospace;
  font-size:.74rem;
  color:var(--text-faint);
  margin-bottom:14px;
}
.lab-copy h3{ font-size:clamp(1.5rem,2.4vw,2rem); margin-bottom:14px; }
.lab-copy p{ margin:0 0 22px; }
.lab-meta{
  display:flex;
  gap:22px;
  margin-top:22px;
  padding-top:22px;
  border-top:1px solid var(--border-soft);
  flex-wrap:wrap;
}
.lab-meta div{ font-size:.78rem; color:var(--text-faint); }
.lab-meta strong{ display:block; color:var(--text); font-family:var(--font-display); font-size:1rem; font-weight:600; margin-bottom:2px;}

@media (max-width:900px){
  .lab-panel{ grid-template-columns:1fr; }
  .lab-copy{ border-right:none; border-bottom:1px solid var(--border-soft); }
}

/* =========================================================================
   PORTFOLIO — interactive tab/stage (state-driven, single active panel)
   ========================================================================= */
.portfolio{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  border:1px solid var(--border-soft);
  background:var(--bg-raised);
}
.portfolio-tabs{ border-right:1px solid var(--border-soft); }
.portfolio-tab{
  display:block;
  width:100%;
  text-align:left;
  background:none;
  border:none;
  border-bottom:1px solid var(--border-soft);
  padding:24px 28px;
  cursor:pointer;
  position:relative;
  font-family:inherit;
  color:var(--text-dim);
}
.portfolio-tab:last-child{ border-bottom:none; }
.portfolio-tab::before{
  content:'';
  position:absolute;
  left:0; top:0; bottom:0;
  width:2px;
  background:transparent;
  transition:background .25s var(--ease);
}
.portfolio-tab .pt-index{
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;
  color:var(--text-faint);
  display:block;
  margin-bottom:8px;
}
.portfolio-tab .pt-name{
  font-family:var(--font-display);
  font-size:1.2rem;
  font-weight:600;
  color:var(--text);
  display:block;
  margin-bottom:6px;
  transition:color .2s var(--ease);
}
.portfolio-tab .pt-desc{
  font-size:.86rem;
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height .3s var(--ease), opacity .25s var(--ease), margin .3s var(--ease);
}
.portfolio-tab .pt-progress{
  height:2px;
  background:var(--border);
  margin-top:14px;
  overflow:hidden;
  border-radius:2px;
  display:none;
}
.portfolio-tab .pt-progress i{
  display:block;
  height:100%;
  width:0%;
  background:var(--tab-color, var(--accent));
  border-radius:2px;
}
.portfolio-tab.is-active{ color:var(--text); }
.portfolio-tab.is-active::before{ background:var(--tab-color, var(--accent)); }
.portfolio-tab.is-active .pt-desc{ max-height:120px; opacity:1; margin-top:2px; }
.portfolio-tab.is-active .pt-progress{ display:block; }
.portfolio-tab.is-active .pt-name{ color:var(--tab-color, var(--accent)); }

.portfolio-stage{
  position:relative;
  min-height:380px;
}
.portfolio-stage-panel{
  position:absolute;
  inset:0;
  padding:clamp(28px,4vw,48px);
  display:flex;
  flex-direction:column;
  justify-content:center;
  opacity:0;
  transform:translateX(14px);
  transition:opacity .35s var(--ease), transform .35s var(--ease);
  pointer-events:none;
}
.portfolio-stage-panel.is-active{
  opacity:1;
  transform:translateX(0);
  pointer-events:auto;
  position:relative;
}
.portfolio-stage-visual{ display:flex; justify-content:center; margin-bottom:6px; }
.portfolio-stage-panel .lab-meta{ margin-top:20px; padding-top:20px; }

.pt-canvas{
  width:100%;
  max-width:340px;
  height:210px;
  display:block;
}

@media (max-width:900px){
  .portfolio{ grid-template-columns:1fr; }
  .portfolio-tabs{ border-right:none; border-bottom:1px solid var(--border-soft); }
  .portfolio-stage{ min-height:0; }
  .portfolio-stage-panel{ position:relative; inset:auto; display:none; }
  .portfolio-stage-panel.is-active{ display:flex; }
}

/* =========================================================================
   AGENT / BUILD-LOOP SECTION
   ========================================================================= */
.agent-section{
  position:relative;
  padding:clamp(56px,8vw,110px) clamp(24px,5vw,60px);
  margin-block:clamp(40px,8vw,90px);
  text-align:center;
}
.agent-orbit{
  position:relative;
  z-index:1;
  width:min(560px, 90vw);
  height:min(560px, 90vw);
  margin:0 auto 40px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.agent-copy{
  position:relative;
  z-index:2;
}
.agent-orbit .orbit-ring{
  position:absolute;
  top:50%; left:50%;
  width:calc(var(--r) * 2);
  height:calc(var(--r) * 2);
  margin-top:calc(var(--r) * -1);
  margin-left:calc(var(--r) * -1);
  border:1px solid rgba(255,255,255,.055);
  border-radius:50%;
  pointer-events:none;
}
.agent-orbit .core{
  position:relative;
  width:17%; height:17%;
  color:var(--accent);
  filter:drop-shadow(0 0 24px rgba(255,122,60,.45));
  animation:coreBreathe 2.6s ease-in-out infinite;
}
@keyframes coreBreathe{
  0%,100%{ filter:brightness(.82) drop-shadow(0 0 16px rgba(255,122,60,.32)); }
  50%{ filter:brightness(1.3) drop-shadow(0 0 30px rgba(255,122,60,.75)); }
}

/* soft light motes drifting outward from the core — deliberately soft and
   sparse, not a hard expanding ring */
.orbit-mote{
  position:absolute;
  top:50%; left:50%;
  width:2.6px; height:2.6px;
  margin-top:-1.3px; margin-left:-1.3px;
  border-radius:50%;
  pointer-events:none;
  will-change:transform, opacity;
}

/* each body is a zero-size anchor positioned (via JS transform) exactly on
   its own ring; the label pill is centered symmetrically on that point, so
   it reaches the same distance from P on every side and never needs to
   flip direction depending on where it is in the orbit */
.orbit-body{ position:absolute; top:50%; left:50%; width:0; height:0; }
.orbit-label{
  position:absolute;
  top:0; left:0;
  transform:translate(-50%,-50%);
  white-space:nowrap;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:100px;
  padding:6px 13px;
  font-family:'IBM Plex Mono',monospace;
  font-size:.7rem;
  color:var(--text-dim);
}

@media (prefers-reduced-motion: reduce){
  .agent-orbit .core{ animation:none; }
  .orbit-mote{ display:none; }
}
@media (max-width:640px){
  .agent-orbit{ display:none; }
}

.agent-tagline{
  font-size:clamp(1.7rem, 3.6vw, 2.8rem);
  max-width:20ch;
  margin:0 auto;
}
.agent-tagline .step{ display:block; }
.agent-tagline .step.dim{ color:var(--text-faint); }

/* =========================================================================
   SYSTEM DIAGRAM (svg node graph)
   ========================================================================= */
.diagram-wrap{
  border:1px solid var(--border-soft);
  background:var(--bg-raised);
  padding:clamp(24px,4vw,48px);
}
.diagram-wrap svg{ width:100%; height:auto; }
.diagram-node text{ font-family:'IBM Plex Mono',monospace; }

/* =========================================================================
   PRINCIPLE / VALUE BLOCKS  (asymmetric — not numbered, not a sequence)
   used on about.html's "How We Build" section
   ========================================================================= */
.principles{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gutter);
}
.principle{ padding-top:22px; border-top:1px solid var(--border); }
.principle h4{ font-size:1.05rem; margin-bottom:10px; }
.principle p{ font-size:.92rem; margin:0; }
.principle.tall{ grid-row:span 2; }
@media (max-width:980px){
  .principles{ grid-template-columns:repeat(2,1fr); }
  .principle.tall{ grid-row:auto; }
}
@media (max-width:560px){ .principles{ grid-template-columns:1fr; } }

/* =========================================================================
   INVARIANTS — stepped diagonal cascade, one drawer open at a time
   (homepage)
   ========================================================================= */
.invariants-head{ margin-bottom:56px; }
.invariant-badge{
  display:inline-flex;
  align-items:center;
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;
  letter-spacing:.08em;
  color:var(--accent);
  border:1px solid rgba(255,122,60,.35);
  background:var(--accent-soft);
  padding:6px 12px;
  border-radius:2px;
  margin-bottom:20px;
}
.invariant-cascade{ position:relative; }
.invariant-row{
  border-top:1px solid var(--border-soft);
  margin-left:clamp(0px, calc(var(--step, 0) * 4.5vw), calc(var(--step, 0) * 56px));
  transition:margin-left .4s var(--ease), border-color .3s ease;
}
.invariant-row:last-child{ border-bottom:1px solid var(--border-soft); }
.invariant-row-btn{
  width:100%;
  display:flex;
  align-items:center;
  gap:20px;
  background:none;
  border:none;
  cursor:pointer;
  padding:22px 4px;
  text-align:left;
  color:var(--text);
  font:inherit;
}
.invariant-index{
  flex:none;
  width:44px; height:44px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:'IBM Plex Mono',monospace;
  font-size:.85rem;
  color:var(--text-faint);
  border:1px solid var(--border);
  clip-path:polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transition:color .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.invariant-title{
  font-family:var(--font-display);
  font-size:clamp(1rem, 1.6vw, 1.2rem);
  font-weight:600;
  flex:1;
}
.invariant-chevron{ flex:none; width:18px; height:18px; position:relative; }
.invariant-chevron::before, .invariant-chevron::after{
  content:'';
  position:absolute;
  background:var(--text-faint);
  transition:transform .3s ease, background .3s ease;
}
.invariant-chevron::before{ width:100%; height:1px; top:50%; left:0; transform:translateY(-50%); }
.invariant-chevron::after{ width:1px; height:100%; left:50%; top:0; transform:translateX(-50%); }
.invariant-row.is-active .invariant-chevron::after{ transform:translateX(-50%) scaleY(0); }
.invariant-row.is-active .invariant-chevron::before{ background:var(--accent); }

.invariant-drawer{
  max-height:0;
  overflow:hidden;
  opacity:0;
  transition:max-height .4s var(--ease), opacity .3s ease;
  padding-left:64px;
}
.invariant-drawer p{ margin:0 0 26px; max-width:64ch; font-size:.95rem; }
.invariant-row.is-active{ border-top-color:var(--accent); }
.invariant-row.is-active .invariant-index{
  color:var(--accent);
  border-color:var(--accent);
  box-shadow:0 0 0 1px rgba(255,122,60,.25);
}
.invariant-row.is-active .invariant-drawer{ max-height:220px; opacity:1; }
.invariant-row-btn:focus-visible{ outline:2px solid var(--accent); outline-offset:-2px; }

@media (max-width:820px){
  .invariant-row{ margin-left:0 !important; }
  .invariant-drawer{ padding-left:0; }
}

/* =========================================================================
   CARDS (used sparingly — team, roles, use-cases)
   ========================================================================= */
.card{
  border:1px solid var(--border-soft);
  background:var(--bg-raised);
  padding:28px;
}
.card h4{ font-size:1.05rem; margin-bottom:8px; }
.card p{ font-size:.92rem; margin:0; }

/* =========================================================================
   TABLE (stack / infra listing)
   ========================================================================= */
.spec-table{ width:100%; border-collapse:collapse; }
.spec-table tr{ border-top:1px solid var(--border-soft); }
.spec-table tr:first-child{ border-top:none; }
.spec-table td{ padding:16px 0; vertical-align:top; }
.spec-table td:first-child{
  width:220px;
  color:var(--text-faint);
  font-family:'IBM Plex Mono',monospace;
  font-size:.82rem;
  padding-right:24px;
}
.spec-table td:last-child{ color:var(--text); }
@media (max-width:640px){
  .spec-table td, .spec-table td:first-child{ display:block; width:auto; padding:2px 0; }
  .spec-table tr{ padding:14px 0; display:block; }
}

/* =========================================================================
   CTA BAND
   ========================================================================= */
.cta-band{
  border:1px solid var(--border-soft);
  background:linear-gradient(135deg, var(--bg-raised), var(--surface));
  padding:clamp(40px,6vw,72px);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:40px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:'';
  position:absolute;
  right:-80px; top:-80px;
  width:280px; height:280px;
  border-radius:50%;
  background:radial-gradient(closest-side, var(--accent-soft), transparent 70%);
}
.cta-band h3{ font-size:clamp(1.5rem,3vw,2rem); max-width:22ch; position:relative; }
.cta-actions{ display:flex; gap:12px; position:relative; }

/* =========================================================================
   FOOTER
   ========================================================================= */
footer{
  border-top:1px solid var(--border-soft);
  padding:64px 0 32px;
  margin-top:40px;
}
.footer-top{
  display:grid;
  grid-template-columns:1.3fr repeat(5,1fr);
  gap:28px;
  padding-bottom:48px;
}
.footer-social a{
  width:34px; height:34px;
  border:1px solid var(--border);
  border-radius:100px;
  display:flex; align-items:center; justify-content:center;
  transition:border-color .18s var(--ease), color .18s var(--ease);
}
.footer-social a:hover{ border-color:var(--accent); color:var(--accent); }
.footer-newsletter{
  display:flex;
  gap:0;
  margin-top:16px;
  border:1px solid var(--border);
  border-radius:3px;
  overflow:hidden;
  max-width:280px;
}
.footer-newsletter input{
  flex:1;
  background:var(--surface);
  border:none;
  padding:10px 12px;
  color:var(--text);
  font:inherit;
  font-size:.85rem;
  min-width:0;
}
.footer-newsletter button{
  background:var(--accent);
  color:#0a0704;
  border:none;
  padding:0 16px;
  font-weight:600;
  font-size:.85rem;
  cursor:pointer;
}
.footer-brand p{ font-size:.88rem; max-width:32ch; margin-top:14px; }
.footer-col h5{
  font-size:.78rem;
  color:var(--text-faint);
  font-weight:600;
  letter-spacing:.03em;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  padding:6px 0;
  font-size:.88rem;
  color:var(--text-dim);
  transition:color .15s var(--ease);
}
.footer-col a:hover{ color:var(--text); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-top:28px;
  border-top:1px solid var(--border-soft);
  flex-wrap:wrap;
  gap:16px;
  font-size:.82rem;
  color:var(--text-faint);
}
.footer-social{ display:flex; gap:16px; }
@media (max-width:1080px){
  .footer-top{ grid-template-columns:1.3fr repeat(2,1fr); }
  .footer-brand{ grid-column:1 / -1; margin-bottom:8px; }
}
@media (max-width:640px){
  .footer-top{ grid-template-columns:repeat(2,1fr); }
  .footer-brand{ grid-column:1 / -1; }
}
@media (max-width:420px){
  .footer-top{ grid-template-columns:1fr; }
}

/* =========================================================================
   PAGE HERO (secondary pages: product / about / contact)
   ========================================================================= */
.page-hero{
  padding:72px 0 56px;
  border-bottom:1px solid var(--border-soft);
}
.page-hero .eyebrow{ margin-bottom:20px; }
.breadcrumb{
  font-family:'IBM Plex Mono',monospace;
  font-size:.78rem;
  color:var(--text-faint);
  margin-bottom:24px;
}
.breadcrumb a{ color:var(--text-faint); }
.breadcrumb a:hover{ color:var(--text); }

/* accent variants applied per product page via body class */
body.lab-tragent  { --lab: var(--tragent);  --lab-soft: var(--tragent-soft); }
body.lab-oce      { --lab: var(--oce);      --lab-soft: var(--oce-soft); }
body.lab-parallax { --lab: var(--parallax); --lab-soft: var(--parallax-soft); }
.lab-accent{ color:var(--lab); }
.lab-eyebrow::before{ background:var(--lab); }
.lab-border{ border-color:var(--lab) !important; }
.btn-lab{ background:var(--lab); color:#06090a; }
.btn-lab:hover{ filter:brightness(1.12); }

/* reveal-on-view (used once per page section — restrained) */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in-view{ opacity:1; transform:translateY(0); }