/* ======================================================================
   Third Attractor — site stylesheet
   Design intent: intelligent · calm · natural · premium · serious · alive
   Motifs: attractors, nested systems, watersheds, feedback loops
   ====================================================================== */

:root{
  /* Ground */
  --ink:#14312b;
  --deep:#0d2520;
  --forest:#174037;
  --forest-soft:#1d4b41;
  --paper:#faf7f0;
  --paper-2:#f4efe3;
  --card:#fffdf8;
  --line:#ded7c7;
  --line-soft:#eae4d6;
  --muted:#5c6d66;
  --faint:#86948d;

  /* Four layers */
  --creation:#176257;   --creation-lt:#4ea294;  --creation-wash:#dfece7;
  --self:#a9512d;       --self-lt:#d2825d;      --self-wash:#f3e3da;
  --culture:#3f6b8a;    --culture-lt:#7aa6bf;   --culture-wash:#e0eaef;
  --systems:#8a6a21;    --systems-lt:#cfa94a;   --systems-wash:#f2ead4;

  --rust:#b05c38;
  --gold:#c3983c;

  --font-display:'Newsreader',Georgia,'Times New Roman',serif;
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Helvetica,sans-serif;

  --u:.5rem;
  --s2:var(--u);
  --s3:calc(var(--u)*1.5);
  --s4:calc(var(--u)*2);
  --s5:calc(var(--u)*3);
  --s6:calc(var(--u)*4);
  --s7:calc(var(--u)*6);
  --s8:calc(var(--u)*8);
  --s9:calc(var(--u)*12);
  --s10:calc(var(--u)*16);

  --section-y:clamp(72px,8.5vw,148px);
  --section-y-tight:clamp(54px,6vw,104px);
  --maxw:1220px;
  --measure:62ch;
  --lede-measure:52ch;
  --pad:clamp(20px,5vw,60px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scrollbar-gutter:stable;scroll-padding-top:96px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.6;
  font-feature-settings:"kern" 1,"liga" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--rust);outline-offset:3px}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:99}
.skip:focus{left:12px;top:12px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.wrap-narrow{max-width:900px;margin:0 auto;padding:0 var(--pad)}

/* ---------- Type ---------- */
h1,h2,h3,h4{font-family:var(--font-display);font-weight:420;letter-spacing:-.012em;margin:0}
h1{font-size:clamp(2.6rem,6.2vw,4.5rem);line-height:1.02}
h2{font-size:clamp(1.95rem,3.9vw,3.05rem);line-height:1.08;max-width:24ch}
h2.wide{max-width:34ch}
h3{font-size:1.14rem;font-family:var(--font-body);font-weight:600;letter-spacing:-.005em;line-height:1.35}
h4{font-size:1rem;font-family:var(--font-body);font-weight:600}
p{margin:0 0 1.05em;max-width:var(--measure)}
p:last-child{margin-bottom:0}

.eyebrow{
  display:block;font-size:.72rem;font-weight:600;letter-spacing:.17em;
  text-transform:uppercase;color:var(--creation);margin:0 0 var(--s4);
}
.lede{font-size:clamp(1.08rem,1.5vw,1.3rem);line-height:1.55;color:var(--muted);max-width:var(--lede-measure)}
.lede-wide{max-width:70ch}
.serif-lede{font-family:var(--font-display);font-size:clamp(1.3rem,2.1vw,1.72rem);line-height:1.38;color:var(--ink);font-weight:400;max-width:34ch}
.small{font-size:.9rem;line-height:1.55;color:var(--muted)}
.tiny{font-size:.78rem;letter-spacing:.04em;color:var(--faint)}
.mono{font-family:var(--font-body);font-size:.7rem;font-weight:650;letter-spacing:.16em;text-transform:uppercase}
.underline-rust{text-decoration:underline;text-decoration-color:var(--rust);text-decoration-thickness:1px;text-underline-offset:4px}
em.q{font-style:italic;color:var(--muted)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:40;
  background:rgba(250,247,240,.86);
  backdrop-filter:saturate(150%) blur(14px);
  -webkit-backdrop-filter:saturate(150%) blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.site-header.on-dark{background:rgba(13,37,32,.82);border-bottom-color:rgba(255,255,255,.1);color:#f3efe4}
.nav{display:flex;align-items:center;gap:var(--s5);min-height:72px}
.brand{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}
.brand b{font-size:.81rem;font-weight:650;letter-spacing:.21em;text-transform:uppercase;line-height:1}

.nav-links{display:flex;gap:clamp(14px,1.9vw,26px);list-style:none;margin:0 0 0 auto;padding:0;align-items:center}
.nav-links a{
  text-decoration:none;font-size:.86rem;color:var(--muted);
  padding:6px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s;
}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--rust)}
.nav-links a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--rust)}
.on-dark .nav-links a{color:rgba(243,239,228,.72)}
.on-dark .nav-links a:hover,.on-dark .nav-links a[aria-current="page"]{color:#fff}
.nav-cta{margin-left:6px}
.site-header .nav-cta .btn{background:var(--ink);color:#fcfaf4}
.site-header .nav-cta .btn:hover{background:var(--forest)}
.site-header.on-dark .nav-cta .btn{background:#f3e9d6;color:var(--ink)}
.site-header.on-dark .nav-cta .btn:hover{background:#fff}
.nav-toggle{
  display:none;margin-left:auto;background:none;border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font:inherit;font-size:.82rem;cursor:pointer;color:inherit;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:999px;text-decoration:none;
  font-size:.92rem;font-weight:500;letter-spacing:.005em;
  border:1px solid transparent;transition:transform .22s,background .22s,color .22s,border-color .22s;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--ink);color:#fcfaf4}
.btn-primary:hover{background:var(--forest)}
.btn-secondary{border-color:var(--line);color:var(--ink)}
.btn-secondary:hover{border-color:var(--ink)}
.btn-light{background:#f3e9d6;color:var(--ink)}
.btn-light:hover{background:#fff}
.btn-ghost-light{border-color:rgba(255,255,255,.34);color:#f1ece0}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.07)}
.btn .arr{transition:transform .22s}
.btn:hover .arr{transform:translateX(3px)}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--s6)}

/* ---------- Sections ---------- */
section{position:relative}
.sec{padding:var(--section-y) 0}
.sec-tight{padding:var(--section-y-tight) 0}
.paper-2{background:var(--paper-2)}
.ruled-top{border-top:1px solid var(--line)}
.dark{background:var(--forest);color:#eee9dc}
.dark h1,.dark h2,.dark h3,.dark h4{color:#f7f3e9}
.dark p,.dark .lede{color:#cfdbd5}
.dark .eyebrow{color:var(--creation-lt)}
.dark .small{color:#b8c7c0}
.dark .tiny{color:rgba(226,236,230,.6)}
/* .deepest is a tone modifier — always used together with .dark */
.deepest{background:var(--deep)}

.section-head{margin-bottom:var(--s7)}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;max-width:860px}
.section-head.center h2,.section-head.center p{margin-left:auto;margin-right:auto}
.head-split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,80px);align-items:end;margin-bottom:var(--s7)}
.head-split .lede{padding-bottom:6px}

.spectrum{height:3px;border:0;margin:0;background:linear-gradient(90deg,var(--creation) 0%,var(--creation-lt) 24%,var(--culture) 44%,var(--systems-lt) 68%,var(--self-lt) 86%,var(--self) 100%)}

/* ---------- HERO ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--deep);color:#f2eee2;
  padding:clamp(80px,11vw,150px) 0 clamp(64px,8vw,110px);
}
/* Homepage hero: full viewport, vertically centred, photographic field */
.hero.home{
  display:flex;flex-direction:column;justify-content:center;
  min-height:100svh;background:#0f1716;
  padding:clamp(5.5rem,11vh,8rem) 0 clamp(2.5rem,7vh,6rem);
}
.hero-field{position:absolute;inset:-10% -6%;pointer-events:none}
.hero-field svg{position:absolute;inset:0;width:100%;height:100%;z-index:3}

/* Photographic layer — three wide islands of light, no scrim over the type */
.hero-photo{
  position:absolute;inset:0;opacity:.5;z-index:1;
  filter:saturate(1.28) contrast(1.04) brightness(1.06) sepia(.1) hue-rotate(-6deg);
  -webkit-mask-image:radial-gradient(46% 52% at 20% 36%,#000 0%,transparent 72%),
                     radial-gradient(42% 46% at 74% 26%,#000 0%,transparent 74%),
                     radial-gradient(52% 58% at 58% 76%,#000 0%,transparent 76%);
          mask-image:radial-gradient(46% 52% at 20% 36%,#000 0%,transparent 72%),
                     radial-gradient(42% 46% at 74% 26%,#000 0%,transparent 74%),
                     radial-gradient(52% 58% at 58% 76%,#000 0%,transparent 76%);
  -webkit-mask-composite:source-over;mask-composite:add;
}
.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:48% 50%;display:block}

/* Colour blobs — slow, breathing, screen-blended */
.hero-blob{
  position:absolute;left:var(--x);top:var(--y);
  width:var(--r);height:var(--r);margin-left:calc(var(--r) / -2);margin-top:calc(var(--r) / -2);
  border-radius:50%;opacity:.42;z-index:2;mix-blend-mode:screen;filter:blur(14px);
  background:radial-gradient(circle at 50% 50%,var(--c) 0%,
             color-mix(in oklab,var(--c) 55%,transparent) 36%,transparent 70%);
}

/* Film grain */
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:4;opacity:.4;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:4;
  background:radial-gradient(120% 90% at 78% 28%,rgba(78,162,148,.13),transparent 62%),
             linear-gradient(to bottom,rgba(13,37,32,.42) 0%,transparent 30%,rgba(13,37,32,.5) 100%);
}
/* Readability veil — deep ink washed across the photo, heaviest where the type sits */
.hero.home::after{
  background:
    linear-gradient(100deg,
      rgba(15,23,22,.92) 0%,
      rgba(15,23,22,.80) 28%,
      rgba(15,23,22,.40) 56%,
      rgba(15,23,22,.10) 100%),
    linear-gradient(to bottom,
      rgba(15,23,22,.46) 0%,
      rgba(15,23,22,.08) 28%,
      rgba(15,23,22,.12) 60%,
      rgba(15,23,22,.58) 100%);
}
/* Veil lets us carry the photo brighter than before */
.hero.home .hero-photo{opacity:.66}
.hero .wrap{position:relative;z-index:5}
.hero h1{color:#fbf8f0;max-width:17ch}
.hero.home h1{max-width:24ch;color:#f0ece1;line-height:.92;letter-spacing:-.035em;
  font-size:min(clamp(2.6rem,5.6vw,5rem),10.4vh)}
.hero.home p.lede{color:#f0ece1;font-size:clamp(1.0625rem,1.32vw,1.1875rem);line-height:1.55}

/* Lede left, actions right, sitting on the same baseline */
.hero-row{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;
  gap:clamp(22px,3.4vw,56px);margin-top:clamp(22px,3.6vh,40px);
}
.hero-row .lede{flex:1 1 26ch;margin:0;max-width:34ch}
.hero-actions{display:flex;flex-direction:column;align-items:flex-start;gap:clamp(14px,2vh,22px);flex:0 0 auto}
.hero.home .actions{gap:clamp(18px,2.4vw,40px);align-items:flex-start;margin:0}

/* Rectangular CTAs with a quiet meta label beneath — the original treatment */
.cta-unit{display:flex;flex-direction:column;align-items:center;gap:9px}
.hero.home .btn{
  border-radius:0;padding:15px 30px;justify-content:center;
  font-size:.8125rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
}
.btn-solid{background:#f0ece1;color:#17201e}
.btn-solid:hover{background:#fff}
.btn-sun{background:#c09848;color:#17201e}
.btn-sun:hover{background:#d2a94f}
.cta-meta{
  font-size:.7rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(240,236,225,.6);text-shadow:0 1px 12px rgba(13,25,23,.9);
}
.hero-quiet{
  font-size:.75rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:rgba(240,236,225,.82);text-decoration:none;
  border-bottom:1px solid rgba(240,236,225,.42);padding-bottom:2px;
  text-shadow:0 1px 12px rgba(13,25,23,.9);
}
.hero-quiet:hover{color:#fff;border-bottom-color:#fff}
.hero .kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.74rem;font-weight:650;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold);margin-bottom:var(--s5);
  text-shadow:0 1px 14px rgba(13,25,23,.9);
}
.hero.home .kicker{
  display:block;color:#c09848;letter-spacing:.2em;font-weight:700;
  font-size:clamp(.75rem,1.05vw,.9375rem);margin-bottom:clamp(18px,3.2vh,32px);
}
.hero.home .kicker::before{display:none}
.hero .kicker::before{content:"";width:28px;height:1px;background:var(--gold);opacity:.8}
.hero h1,.hero p.lede{text-shadow:0 2px 22px rgba(13,25,23,.55)}
.hero.home h1{text-shadow:0 2px 26px rgba(13,25,23,.82),0 1px 3px rgba(13,25,23,.5)}
.hero.home p.lede{text-shadow:0 1px 18px rgba(13,25,23,.9)}

.audience-line{
  display:inline-block;margin:var(--s5) 0 var(--s5);
  font-family:var(--font-display);font-size:clamp(1.32rem,2.5vw,1.95rem);
  line-height:1.2;color:#f6efdd;font-style:italic;
  padding-bottom:7px;border-bottom:2px solid var(--gold);
}
.hero p.lede{color:#cfdbd4;max-width:56ch}
.hero-triad{
  display:flex;flex-wrap:wrap;gap:10px 0;align-items:center;
  margin-top:var(--s6);font-size:.74rem;font-weight:600;letter-spacing:.17em;
  text-transform:uppercase;color:rgba(242,238,226,.78);
}
.hero-triad span{display:inline-flex;align-items:center}
.hero-triad span+span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--gold);margin:0 14px;opacity:.9}

/* Hero foot — three quiet labels on a rule, as in the original */
.hero-foot{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;
  gap:14px clamp(20px,4vw,56px);
  margin-top:clamp(40px,6vw,72px);padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
  font-size:.7rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(242,238,226,.68);
}
.hero-foot span:first-child{color:var(--gold)}
.hero.home .hero-foot{
  font-size:.75rem;font-weight:500;letter-spacing:.18em;
  color:#a3b2ab;border-top-color:rgba(240,236,225,.22);
}
.hero.home .hero-foot span:first-child{color:#a3b2ab}


/* ---------- Negative / definition block ---------- */
.notlist{display:grid;gap:0;border-top:1px solid var(--line);margin-bottom:var(--s6)}
.notlist div{
  padding:17px 0 17px 0;border-bottom:1px solid var(--line);
  display:flex;align-items:baseline;gap:16px;
  font-family:var(--font-display);font-size:clamp(1.25rem,2.4vw,1.85rem);line-height:1.22;color:var(--faint);
}
.notlist div::before{content:"—";color:var(--rust);font-size:.8em;flex:0 0 auto}
.notlist div.yes{color:var(--ink)}
.notlist div.yes::before{content:"→";color:var(--creation)}

.chain{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 0;margin:var(--s6) 0;
  font-size:.74rem;font-weight:650;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);
}
.chain i{font-style:normal;padding:7px 13px;background:var(--card);border:1px solid var(--line);border-radius:3px}
.chain em{font-style:normal;color:var(--rust);padding:0 9px;font-size:.9rem}
.dark .chain{color:#f1ece0}
.dark .chain i{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.17)}
.dark .chain em{color:var(--systems-lt)}

.pull{
  font-family:var(--font-display);font-size:clamp(1.5rem,3.1vw,2.35rem);
  line-height:1.24;max-width:30ch;margin:0;
}
.pull-row{
  display:grid;grid-template-columns:auto 1fr;gap:clamp(20px,3vw,40px);align-items:start;
  padding:clamp(28px,4vw,46px) 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.pull-row .bar{width:3px;background:var(--rust);align-self:stretch;min-height:60px}
.dark .pull-row{border-color:rgba(255,255,255,.17)}
.dark .pull-row .bar{background:var(--systems-lt)}

/* ---------- Cards & grids ---------- */
.grid{display:grid;gap:var(--s4)}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g5{grid-template-columns:repeat(5,1fr)}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:5px;
  padding:clamp(22px,2.4vw,30px);display:flex;flex-direction:column;gap:10px;
}
.card p{max-width:40ch;color:var(--muted);font-size:.95rem}
.card .num{
  font-family:var(--font-display);font-size:.95rem;color:var(--rust);
  letter-spacing:.06em;margin-bottom:2px;
}
.dark .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.15)}
.dark .card p{color:#c7d4ce}

/* Four-layer cards */
.layer{position:relative;overflow:hidden;padding-top:clamp(24px,2.6vw,32px)}
.layer::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px}
.layer .kicker{
  font-size:.7rem;font-weight:650;letter-spacing:.18em;text-transform:uppercase;
}
.layer .ask{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-family:var(--font-display);font-style:italic;font-size:.98rem;line-height:1.35;color:var(--ink);max-width:34ch;
}
.l-creation::before{background:var(--creation)}  .l-creation .kicker{color:var(--creation)}
.l-self::before{background:var(--self)}          .l-self .kicker{color:var(--self)}
.l-culture::before{background:var(--culture)}    .l-culture .kicker{color:var(--culture)}
.l-systems::before{background:var(--systems)}    .l-systems .kicker{color:var(--systems)}

.wash-creation{background:var(--creation-wash)}
.wash-self{background:var(--self-wash)}
.wash-culture{background:var(--culture-wash)}
.wash-systems{background:var(--systems-wash)}

/* ---------- Loop diagram (mission → action) ---------- */
.loop{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.95fr);gap:clamp(30px,5vw,70px);align-items:center}
.loop-art{position:relative}
.loop-steps{display:grid;gap:0;counter-reset:ls}
.loop-step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:16px 0;border-bottom:1px solid rgba(255,255,255,.14);
  cursor:default;transition:opacity .25s;
}
.loop-step:first-child{border-top:1px solid rgba(255,255,255,.14)}
.loop-step .dot{
  width:26px;height:26px;border-radius:50%;flex:0 0 auto;margin-top:2px;
  border:1px solid rgba(255,255,255,.4);display:grid;place-items:center;
  font-size:.66rem;font-weight:650;letter-spacing:.02em;color:#eee9dc;transition:background .25s,border-color .25s;
}
.loop-step b{display:block;font-size:.76rem;font-weight:650;letter-spacing:.17em;text-transform:uppercase;color:#f7f3e9;margin-bottom:5px}
.loop-step p{margin:0;font-size:.97rem;color:#c5d3cc;max-width:42ch}
.loop-step.is-active .dot,.loop-step:hover .dot{background:var(--creation-lt);border-color:var(--creation-lt);color:var(--deep)}
.loop-step.is-final b{color:var(--systems-lt)}

/* ---------- Leverage ladder ---------- */
.ladder{display:grid;gap:0;margin-top:var(--s6);border-left:1px solid var(--line)}
.rung{
  display:grid;grid-template-columns:clamp(90px,13vw,160px) 1fr;gap:clamp(16px,3vw,40px);
  padding:clamp(18px,2.2vw,26px) 0 clamp(18px,2.2vw,26px) clamp(18px,2.6vw,34px);
  border-bottom:1px solid var(--line-soft);position:relative;
}
.rung:first-child{border-top:1px solid var(--line-soft)}
.rung::before{
  content:"";position:absolute;left:-1px;top:0;bottom:0;width:3px;background:var(--creation);
  opacity:var(--o,.18);
}
.rung .depth{font-size:.68rem;font-weight:650;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.rung h3{margin-bottom:5px}
.rung p{margin:0;color:var(--muted);font-size:.97rem}
.rung.d1{--o:.16}.rung.d2{--o:.34}.rung.d3{--o:.52}.rung.d4{--o:.72}.rung.d5{--o:1}
.rung.d5 h3{color:var(--creation)}

/* ---------- Three-mode (protect/bridge/transform) ---------- */
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s4);margin-top:var(--s6)}
.mode{
  border:1px solid var(--line);border-radius:5px;background:var(--card);
  padding:clamp(24px,2.6vw,32px);display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;
}
.mode .mode-q{font-family:var(--font-display);font-size:1.22rem;line-height:1.3;color:var(--ink);max-width:26ch}
.mode h3{font-size:.76rem;font-weight:650;letter-spacing:.2em;text-transform:uppercase}
.mode ul{margin:0;padding-left:1.05em;color:var(--muted);font-size:.93rem;line-height:1.55}
.mode ul li{margin-bottom:4px}
.mode-protect h3{color:var(--creation)}  .mode-protect{border-top:3px solid var(--creation)}
.mode-bridge h3{color:var(--systems)}    .mode-bridge{border-top:3px solid var(--systems)}
.mode-transform h3{color:var(--self)}    .mode-transform{border-top:3px solid var(--self)}
.alt-framing{
  margin-top:var(--s5);padding:16px 20px;border:1px dashed var(--line);border-radius:4px;
  font-size:.9rem;color:var(--muted);background:var(--paper);
}

/* ---------- Stepped stack (operating stack) ---------- */
.stack{display:grid;gap:0;margin-top:var(--s6)}
.step{
  display:grid;grid-template-columns:clamp(54px,7vw,92px) 1fr;
  gap:clamp(16px,3vw,44px);padding:clamp(24px,3vw,38px) 0;border-top:1px solid var(--line);
}
.step:last-child{border-bottom:1px solid var(--line)}
.step .idx{
  font-family:var(--font-display);font-size:clamp(1.5rem,2.6vw,2.2rem);
  line-height:1;color:var(--rust);font-weight:400;
}
.step-body{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:clamp(18px,3vw,44px)}
.step-body h3{font-size:clamp(1.3rem,2.1vw,1.75rem);font-family:var(--font-display);font-weight:420;letter-spacing:-.01em}
.step-body .what{color:var(--muted);font-size:1rem;margin-top:8px}
.taglist{display:flex;flex-wrap:wrap;gap:7px;list-style:none;margin:0;padding:0}
.taglist li{
  font-size:.8rem;padding:6px 12px;border:1px solid var(--line);border-radius:999px;
  color:var(--ink);background:var(--card);
}
.taglist.soft li{background:transparent;color:var(--muted)}
.sub-label{font-size:.68rem;font-weight:650;letter-spacing:.17em;text-transform:uppercase;color:var(--faint);margin:0 0 10px}
.dark .taglist li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#eee9dc}
.dark .taglist.soft li{background:transparent;border-color:rgba(255,255,255,.16);color:#a9bbb4}
.dark .sub-label{color:#8ea49c}
.dark .step{border-color:rgba(255,255,255,.15)}
.dark .step .idx{color:var(--systems-lt)}
.dark .step-body .what{color:#c5d3cc}

/* ---------- Journey (families) ---------- */
.journey{display:grid;gap:var(--s4);margin-top:var(--s6);grid-template-columns:repeat(4,1fr)}
.jstep{
  border:1px solid var(--line);border-radius:5px;background:var(--card);padding:24px 22px;
  display:flex;flex-direction:column;gap:9px;position:relative;
}
.jstep .jn{
  font-size:.68rem;font-weight:650;letter-spacing:.16em;text-transform:uppercase;color:var(--rust);
}
.jstep ul{margin:4px 0 0;padding-left:1.05em;font-size:.9rem;color:var(--muted);line-height:1.5}
.jstep p{font-size:.95rem;color:var(--muted);max-width:none}

/* ---------- Capital spectrum ---------- */
.spectrum-bar{
  height:6px;border-radius:3px;margin:var(--s6) 0 0;
  background:linear-gradient(90deg,var(--creation) 0%,var(--creation-lt) 22%,var(--systems-lt) 50%,var(--self-lt) 76%,var(--self) 100%);
}
.cap-row{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--s4);margin-top:var(--s5)}
.cap{display:flex;flex-direction:column;gap:9px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18)}
.cap b{font-size:.74rem;font-weight:650;letter-spacing:.19em;text-transform:uppercase;color:#f7f3e9}
.cap p{margin:0;font-size:.93rem;color:#c5d3cc;max-width:30ch}
.cap .form{font-size:.78rem;color:var(--systems-lt);letter-spacing:.04em}

/* ---------- Pipeline / flow strip ---------- */
.flow{display:grid;gap:10px;margin-top:var(--s6);grid-template-columns:repeat(var(--n,5),1fr)}
.flow .node{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:4px;
  padding:20px 16px;display:flex;flex-direction:column;gap:7px;
}
.flow .node b{font-size:.72rem;font-weight:650;letter-spacing:.17em;text-transform:uppercase}
.flow .node small{font-size:.86rem;line-height:1.45;color:var(--muted)}
.flow .node::after{
  content:"";position:absolute;right:-8px;top:50%;width:7px;height:7px;
  border-top:1px solid var(--rust);border-right:1px solid var(--rust);
  transform:translateY(-50%) rotate(45deg);z-index:2;
}
.flow .node:last-child::after{display:none}
.dark .flow .node{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.16)}
.dark .flow .node small{color:#c5d3cc}
.dark .flow .node::after{border-color:var(--systems-lt)}

/* ---------- Ecosystem orbit ---------- */
.eco{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(30px,5vw,70px);align-items:center;margin-top:var(--s6)}
.eco-list{display:grid;gap:0}
.eco-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:baseline;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.eco-item:first-child{border-top:1px solid var(--line)}
.eco-item .pip{width:9px;height:9px;border-radius:50%;margin-top:7px}
.eco-item b{display:block;font-size:1rem;font-weight:600;margin-bottom:3px}
.eco-item p{margin:0;font-size:.93rem;color:var(--muted);max-width:46ch}
.eco-item.core{border-top:0;background:transparent}
.eco-item.core b{font-family:var(--font-display);font-size:1.25rem;font-weight:420}
.eco-note{
  margin-top:var(--s5);display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:.74rem;font-weight:650;letter-spacing:.15em;text-transform:uppercase;color:var(--creation);
}
.eco-note span{padding:7px 14px;border:1px solid var(--line);border-radius:999px}

/* ---------- Membrane ---------- */
.membrane{
  display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(18px,3vw,38px);
  align-items:stretch;margin-top:var(--s6);
}
.membrane-side{border:1px solid var(--line);border-radius:5px;background:var(--card);padding:clamp(24px,2.6vw,34px)}
.membrane-side h3{margin-bottom:12px}
.membrane-side ul{margin:0;padding-left:1.1em;color:var(--muted);font-size:.95rem;line-height:1.6}
.membrane-side .tag{
  display:inline-block;font-size:.66rem;font-weight:650;letter-spacing:.18em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;margin-bottom:14px;
}
.tag-fff{background:var(--creation-wash);color:var(--creation)}
.tag-ta{background:var(--systems-wash);color:var(--systems)}
.membrane-line{position:relative;display:grid;place-items:center;min-width:46px}
.membrane-line::before{
  content:"";position:absolute;top:0;bottom:0;width:0;border-left:2px dashed var(--rust);opacity:.6;
}
.membrane-line span{
  position:relative;background:var(--paper-2);padding:10px 4px;writing-mode:vertical-rl;
  font-size:.64rem;font-weight:650;letter-spacing:.2em;text-transform:uppercase;color:var(--rust);
}

/* ---------- Safeguards ---------- */
.guards{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--s4);margin-top:var(--s6)}
.guard{border-top:3px solid var(--rust);padding-top:18px;display:flex;flex-direction:column;gap:9px}
.guard h3{font-size:.76rem;font-weight:650;letter-spacing:.19em;text-transform:uppercase;color:var(--rust)}
.guard p{margin:0;font-size:.95rem;color:var(--muted);max-width:30ch}
.dark .guard{border-top-color:var(--self-lt)}
.dark .guard h3{color:var(--self-lt)}
.dark .guard p{color:#c5d3cc}

/* ---------- Worked example ---------- */
.example{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,4vw,64px);margin-top:var(--s6)}
.ex-steps{display:grid;gap:10px}
.ex-step{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--rust);
  border-radius:4px;padding:17px 20px;
}
.ex-step b{display:block;font-size:.7rem;font-weight:650;letter-spacing:.17em;text-transform:uppercase;color:var(--rust);margin-bottom:6px}
.ex-step p{margin:0;font-size:.96rem;color:var(--ink);max-width:56ch}
.ex-quote{
  font-family:var(--font-display);font-size:clamp(1.35rem,2.5vw,1.95rem);line-height:1.28;
  padding-left:20px;border-left:2px solid var(--gold);max-width:26ch;
}

/* ---------- MVS ribbon ---------- */
.ribbon{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--s6);counter-reset:r}
.ribbon li{
  list-style:none;counter-increment:r;position:relative;
  padding:11px 17px 11px 34px;border:1px solid var(--line);border-radius:999px;
  font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:var(--card);
}
.ribbon li::before{
  content:counter(r);position:absolute;left:13px;top:50%;transform:translateY(-50%);
  font-size:.66rem;color:var(--rust);font-weight:700;
}
.dark .ribbon li{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#eee9dc}
.dark .ribbon li::before{color:var(--systems-lt)}

/* ---------- Descending chain (mission → mechanism) ---------- */
.descend{display:grid;gap:0;margin-top:var(--s6);max-width:720px;padding:0}
.descend li{
  list-style:none;position:relative;border:1px solid var(--line);background:var(--card);
  border-radius:4px;padding:18px 22px;
}
.descend li+li{margin-top:36px}
.descend li+li::before{
  content:"";position:absolute;left:30px;top:-36px;height:30px;
  border-left:1px solid var(--rust);opacity:.6;
}
.descend li+li::after{
  content:"";position:absolute;left:26px;top:-13px;width:8px;height:8px;
  border-right:1px solid var(--rust);border-bottom:1px solid var(--rust);
  transform:rotate(45deg);opacity:.85;
}
.descend b{display:block;font-size:.72rem;font-weight:650;letter-spacing:.17em;text-transform:uppercase;color:var(--ink)}
.descend p{margin:7px 0 0;font-size:.95rem;color:var(--muted);max-width:52ch}
.descend li:last-child{border-left:3px solid var(--rust)}
.dark .descend li{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.16)}
.dark .descend b{color:#f7f3e9}
.dark .descend p{color:#c5d3cc}
.dark .descend li+li::before,.dark .descend li+li::after{border-color:var(--systems-lt)}
.dark .descend li:last-child{border-left-color:var(--systems-lt)}

/* ---------- Revenue tiers (business model hierarchy) ---------- */
.tiers{display:grid;gap:12px;margin-top:var(--s6)}
.tier{
  display:grid;grid-template-columns:clamp(150px,19vw,230px) 1fr;gap:clamp(16px,3vw,40px);
  border:1px solid var(--line);border-left:4px solid var(--rust);border-radius:4px;
  background:var(--card);padding:clamp(20px,2.4vw,28px);
}
.tier .tier-k{font-size:.68rem;font-weight:650;letter-spacing:.17em;text-transform:uppercase;color:var(--rust)}
.tier h3{margin-bottom:8px}
.tier p{margin:0;font-size:.95rem;color:var(--muted);max-width:56ch}
.tier.t2{border-left-color:var(--systems)} .tier.t2 .tier-k{color:var(--systems)}
.tier.t3{border-left-color:var(--culture)} .tier.t3 .tier-k{color:var(--culture)}
.tier.t4{border-left-color:var(--creation);border-left-style:dashed} .tier.t4 .tier-k{color:var(--creation)}
.dark .tier{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.15)}
.dark .tier p{color:#c7d4ce}

/* ---------- Participate ---------- */
.parts{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s4);margin-top:var(--s6)}

/* ---------- Principles list ---------- */
.principles{display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(28px,5vw,64px);margin-top:var(--s6)}
.principles li{
  list-style:none;padding:15px 0;border-bottom:1px solid var(--line-soft);
  display:grid;grid-template-columns:auto 1fr;gap:13px;font-size:.99rem;color:var(--ink);
}
.principles li::before{content:"◦";color:var(--rust);font-size:1.1rem;line-height:1.2}
.dark .principles li{border-bottom-color:rgba(255,255,255,.14);color:#e3ded0}

/* ---------- Footer ---------- */
.final{background:var(--deep);color:#eee9dc;padding:clamp(80px,9vw,140px) 0;position:relative;overflow:hidden}
.final-art{position:absolute;inset:0;opacity:.5;pointer-events:none}
.final .wrap{position:relative;z-index:2}
.final h2{color:#faf6ec;max-width:26ch;font-size:clamp(2.1rem,4.4vw,3.4rem)}
.final p{color:#cbd8d1;font-size:clamp(1.05rem,1.5vw,1.26rem);max-width:60ch}

.site-footer{background:#0a1d19;color:#aab9b3;padding:var(--s8) 0 var(--s7);font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:var(--s6)}
.site-footer h4{color:#e4ded0;font-size:.7rem;font-weight:650;letter-spacing:.18em;text-transform:uppercase;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer a{color:#aab9b3;text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer .colophon{
  margin-top:var(--s7);padding-top:var(--s5);border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:.8rem;color:#7d8d87;
}
.site-footer p{color:#9aaaa4;max-width:38ch}

/* ---------- Reveal ---------- */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}
  .drift{animation:drift 34s ease-in-out infinite alternate}
  .drift-2{animation:drift 46s ease-in-out infinite alternate-reverse}
  .spin-slow{animation:spin 120s linear infinite;transform-origin:center}
  .spin-rev{animation:spin 170s linear infinite reverse;transform-origin:center}
  .hero-photo{animation:wash 54s ease-in-out infinite alternate}
  .hero-blob{animation:breathe var(--dur) ease-in-out infinite alternate}
}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(18px,-14px)}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes wash{from{transform:scale(1.04) translate(0,0)}to{transform:scale(1.12) translate(-1.5%,-1%)}}
@keyframes breathe{from{opacity:.28;transform:scale(.88) translate(0,0)}to{opacity:.5;transform:scale(1.14) translate(2.5%,-2%)}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .g5,.cap-row,.guards{grid-template-columns:repeat(3,1fr)}
  .g4,.journey,.parts{grid-template-columns:repeat(2,1fr)}
  .journey[style]{grid-template-columns:repeat(2,1fr)!important}
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow .node::after{display:none}
}
@media (max-width:900px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);padding:10px var(--pad) 22px;
  }
  .site-header.on-dark .nav-links{background:var(--deep)}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:13px 0;border-bottom:1px solid var(--line-soft);width:100%}
  .nav-cta{margin:14px 0 0}
  .nav-cta a{padding:13px 22px;border-bottom:0;text-align:center}
  .nav-toggle{display:inline-block}
  .loop,.eco,.example,.head-split{grid-template-columns:1fr}
  .loop-art{order:-1;max-width:420px}
  .hero.home{padding-top:7rem;min-height:auto}
  .hero.home h1{font-size:clamp(2.125rem,10vw,3rem);line-height:1.02}
  .hero-row{align-items:flex-start;gap:26px}
  .hero-row .lede{max-width:none}
  .hero-blob{filter:blur(22px)}
  .modes,.g3{grid-template-columns:1fr}
  .step-body{grid-template-columns:1fr}
  .membrane{grid-template-columns:1fr}
  .membrane-line{min-height:46px}
  .membrane-line::before{top:50%;left:0;right:0;bottom:auto;width:auto;border-left:0;border-top:2px dashed var(--rust)}
  .membrane-line span{writing-mode:horizontal-tb;padding:4px 12px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .principles{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  /* Wide diagrams scroll rather than shrink to illegibility */
  .fig-scroll{overflow-x:auto;justify-items:start}
  .fig-scroll svg{min-width:560px}
  .g2,.g4,.g5,.cap-row,.guards,.journey,.parts,.flow{grid-template-columns:1fr}
  .journey[style]{grid-template-columns:1fr!important}
  .tier{grid-template-columns:1fr;gap:8px}
  .rung{grid-template-columns:1fr;gap:6px}
  .ex-quote{padding-left:16px}
  .footer-grid{grid-template-columns:1fr}
  .hero-triad{font-size:.68rem}
  .hero-triad span+span::before{margin:0 9px}
  .hero.home .actions{flex-direction:column;align-items:stretch;gap:14px}
  .hero.home .actions .btn{justify-content:center;text-align:center}
}
@media print{
  .site-header,.hero-field,.final-art{display:none}
  body{background:#fff;color:#000}
}

/* ---------- Full-width call to action band ---------- */
.cta-band{
  margin-top:var(--s9);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:clamp(30px,4vw,50px) 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:clamp(20px,3vw,44px);
}
.cta-band p{
  font-family:var(--font-display);font-weight:400;
  font-size:clamp(1.55rem,3.1vw,2.4rem);line-height:1.18;
  color:var(--ink);margin:0;max-width:24ch;
}
.cta-band .actions{margin-top:0;flex:0 0 auto}
.dark .cta-band{border-color:rgba(255,255,255,.2)}
.dark .cta-band p{color:#f7f3e9}
@media (max-width:720px){
  .cta-band{display:block}
  .cta-band .actions{margin-top:var(--s5)}
}

/* ---------- Diagram variants: wide for desktop, reflowed for phones ---------- */
.fig-mobile{display:none}
@media (max-width:620px){
  .fig-desktop{display:none}
  .fig-mobile{display:block;margin:var(--s7) 0 0}
  .fig-mobile svg{min-width:0;width:100%}
}

/* ---------- Mission film ---------- */
.film{margin:var(--s7) 0 0}
.film video{
  display:block;width:100%;aspect-ratio:16/9;background:#0d2520;
  border:1px solid rgba(255,255,255,.14);
}
.film figcaption{
  margin-top:12px;display:flex;flex-wrap:wrap;gap:6px 18px;align-items:baseline;
  font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;font-weight:650;
  color:var(--creation-lt);
}
.film figcaption span{color:var(--faint);letter-spacing:.1em;font-weight:400;text-transform:none;font-size:.88rem}