/* Simma investor site — shared design system (v8, 2026-09-25)
   Dark "ethereal" chapters for the thesis, soft-structural light chapters for the product.
   Every page loads this file; page files carry only their own graphics. */

:root{
  --night:#06070c; --night-2:#0c0f19; --night-3:#141a2a;
  --on-night:#e9ecf5; --on-night-2:#a9b3c9; --on-night-3:#6f7a93;
  --paper:#ffffff; --paper-2:#f5f5f7; --paper-3:#ebecf0;
  --ink:#0f1422; --ink-2:#48516a; --ink-3:#6b7389;
  --violet:#8b6cff; --violet-2:#b8a4ff; --violet-deep:#5b3fd6; --violet-wash:#f1edff;
  --mint:#3ddca4; --amber:#ffb45e; --rose:#ff7a93; --sky:#5cc8ff;
  --hair-dark:rgba(255,255,255,.09); --hair-light:rgba(15,20,34,.07);
  --spring:cubic-bezier(.32,.72,0,1);
  --r-xl:32px; --r-lg:24px; --r-md:16px;
  --wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font:17px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
.mono{font-family:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}
@media(max-width:767px){.wrap{padding:0 16px}}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:40;background:#fff;color:var(--ink);padding:8px 14px;border-radius:999px}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:Poppins,Inter,sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.1;text-wrap:balance}
h1{font-weight:700}
.display{font-size:clamp(40px,6.2vw,84px);letter-spacing:-.05em;line-height:.98}
.h-xl{font-size:clamp(32px,4.3vw,56px);letter-spacing:-.025em}
.h-lg{font-size:clamp(28px,3.4vw,44px)}
.h-md{font-size:clamp(21px,2vw,26px);letter-spacing:-.03em;line-height:1.15}
.lede{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--ink-2);max-width:60ch}
.night .lede,.night p{color:var(--on-night-2)}
.muted{color:var(--ink-3)}
.grad{background:linear-gradient(100deg,#fff 0%,var(--violet-2) 55%,var(--mint) 110%);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-ink{background:linear-gradient(100deg,var(--ink) 10%,var(--violet-deep) 90%);-webkit-background-clip:text;background-clip:text;color:transparent}

.tag{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:5px 12px 5px 10px;font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;background:var(--paper-2);color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--hair-light);margin-bottom:22px}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--violet)}
.night .tag{background:rgba(255,255,255,.05);color:var(--on-night-2);box-shadow:inset 0 0 0 1px var(--hair-dark)}
.night .tag::before{background:var(--mint);box-shadow:0 0 10px var(--mint)}

/* ---------- chapters ---------- */
.chapter{padding:140px 0;position:relative}
@media(max-width:767px){.chapter{padding:84px 0}}
.chapter.tight{padding:100px 0}
.chapter.tint{background:var(--paper-2)}
.night{background:var(--night);color:var(--on-night);position:relative;overflow:hidden;isolation:isolate}
.night h1,.night h2,.night h3{color:#fff}
.orb{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:-1;opacity:.55}
.orb.v{background:radial-gradient(circle,#6d4dff 0%,transparent 70%)}
.orb.m{background:radial-gradient(circle,#19b889 0%,transparent 70%);opacity:.32}
.gridlines{position:absolute;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(var(--hair-dark) 1px,transparent 1px),linear-gradient(90deg,var(--hair-dark) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 20%,transparent 75%);opacity:.6}
.head{max-width:760px;margin-bottom:64px}
.head.center{margin-left:auto;margin-right:auto;text-align:center}
.head.center .lede{margin-left:auto;margin-right:auto}
.head h2{margin-bottom:18px}

/* ---------- double bezel ---------- */
.bezel{border-radius:var(--r-xl);padding:6px;background:rgba(15,20,34,.035);box-shadow:inset 0 0 0 1px var(--hair-light)}
.bezel>.core{border-radius:calc(var(--r-xl) - 6px);background:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 1px 2px rgba(15,20,34,.04),0 24px 60px -28px rgba(30,24,80,.18);overflow:hidden;height:100%}
.night .bezel,.bezel.dark{background:rgba(255,255,255,.035);box-shadow:inset 0 0 0 1px var(--hair-dark)}
.night .bezel>.core,.bezel.dark>.core{background:linear-gradient(180deg,#121726,#0b0f1a);box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 30px 80px -30px rgba(0,0,0,.6)}
.pad{padding:32px}
@media(max-width:767px){.pad{padding:24px}}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:14px;border-radius:999px;padding:8px 8px 8px 24px;font-size:15px;font-weight:500;text-decoration:none;transition:transform .5s var(--spring),background .5s var(--spring),box-shadow .5s var(--spring);will-change:transform}
.btn:active{transform:scale(.98)}
.btn .arr{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-size:15px;transition:transform .6s var(--spring)}
.btn:hover .arr{transform:translate(3px,-1px) scale(1.06)}
.btn.primary{background:#fff;color:var(--ink);box-shadow:0 10px 40px -10px rgba(139,108,255,.55)}
.btn.primary .arr{background:var(--ink);color:#fff}
.btn.violet{background:var(--ink);color:#fff}
.btn.violet .arr{background:var(--violet);color:#fff}
.btn.ghost{padding:8px 20px;color:var(--on-night-2);box-shadow:inset 0 0 0 1px var(--hair-dark)}
.btn.ghost:hover{color:#fff}
.textlink{font-weight:500;text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:1px;transition:opacity .4s var(--spring)}
.textlink:hover{opacity:.7}
.actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* ---------- floating island nav ---------- */
.nav{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:30;display:flex;align-items:center;gap:6px;padding:6px 6px 6px 20px;border-radius:999px;background:rgba(10,12,20,.62);backdrop-filter:blur(22px) saturate(1.4);-webkit-backdrop-filter:blur(22px) saturate(1.4);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1),0 12px 40px -12px rgba(0,0,0,.5);width:max-content;max-width:calc(100vw - 24px)}
.nav .brand{font-weight:600;letter-spacing:-.03em;color:#fff;text-decoration:none;margin-right:14px;font-size:17px;display:flex;align-items:center;gap:8px}
.nav .brand i{width:9px;height:9px;border-radius:3px;background:linear-gradient(135deg,var(--violet-2),var(--mint));display:block}
.nav .links{display:flex;gap:2px}
.nav .links a{color:var(--on-night-2);text-decoration:none;font-size:14px;padding:8px 12px;border-radius:999px;transition:color .4s var(--spring),background .4s var(--spring)}
.nav .links a:hover,.nav .links a[aria-current=page]{color:#fff;background:rgba(255,255,255,.07)}
.nav .cta{background:#fff;color:var(--ink);text-decoration:none;font-size:14px;font-weight:500;padding:8px 16px;border-radius:999px;margin-left:6px;transition:transform .5s var(--spring)}
.nav .cta:active{transform:scale(.97)}
.burger{display:none;width:40px;height:40px;border-radius:50%;border:0;background:rgba(255,255,255,.08);position:relative;cursor:pointer;margin-left:6px}
.burger span{position:absolute;left:12px;right:12px;height:1.5px;background:#fff;border-radius:2px;transition:transform .6s var(--spring),top .6s var(--spring)}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:23px}
.menu-open .burger span:nth-child(1){top:19.5px;transform:rotate(45deg)}
.menu-open .burger span:nth-child(2){top:19.5px;transform:rotate(-45deg)}
.sheet{position:fixed;inset:0;z-index:25;background:rgba(6,7,12,.86);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);display:flex;flex-direction:column;justify-content:center;padding:0 28px;opacity:0;pointer-events:none;transition:opacity .6s var(--spring)}
.sheet a{color:#fff;text-decoration:none;font-size:38px;font-weight:600;letter-spacing:-.04em;padding:6px 0;opacity:0;transform:translateY(40px);transition:opacity .7s var(--spring),transform .7s var(--spring)}
.menu-open .sheet{opacity:1;pointer-events:auto}
.menu-open .sheet a{opacity:1;transform:none}
.menu-open .sheet a:nth-child(2){transition-delay:.05s}.menu-open .sheet a:nth-child(3){transition-delay:.1s}.menu-open .sheet a:nth-child(4){transition-delay:.15s}.menu-open .sheet a:nth-child(5){transition-delay:.2s}.menu-open .sheet a:nth-child(6){transition-delay:.25s}
@media(max-width:860px){.nav .links,.nav .cta{display:none}.burger{display:block}.nav{padding-left:18px}}

/* ---------- hero (inner pages) ---------- */
.hero{padding:190px 0 130px}
@media(max-width:767px){.hero{padding:130px 0 80px}}
.hero .lede{margin-top:28px}
.hero .actions{margin-top:40px}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.bento>*{min-width:0}
.s4{grid-column:span 4}.s5{grid-column:span 5}.s6{grid-column:span 6}.s7{grid-column:span 7}.s8{grid-column:span 8}.s12{grid-column:span 12}
@media(max-width:900px){.bento{grid-template-columns:1fr;gap:16px}.s4,.s5,.s6,.s7,.s8,.s12{grid-column:auto}}
.tile h3{font-size:22px;letter-spacing:-.03em;margin-bottom:8px}
.tile p{font-size:15.5px;color:var(--ink-2);line-height:1.55}
.night .tile p{color:var(--on-night-2)}
.kicker{font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--violet-deep);margin-bottom:14px;display:block}
.night .kicker{color:var(--violet-2)}

/* ---------- browser frame ---------- */
.frame{border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 0 0 1px rgba(15,20,34,.08),0 30px 70px -25px rgba(20,16,60,.35)}
.frame .bar{height:28px;display:flex;align-items:center;gap:6px;padding:0 12px;background:#f3f3f6;border-bottom:1px solid rgba(15,20,34,.06)}
.frame .bar i{width:8px;height:8px;border-radius:50%;background:#d9dbe2}
.frame .bar span{margin-left:10px;font-size:11px;color:var(--ink-3);font-family:"Geist Mono",monospace;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{border-radius:999px;padding:9px 18px;font-size:15px;font-weight:500;background:#fff;box-shadow:inset 0 0 0 1px var(--hair-light),0 6px 20px -12px rgba(20,16,60,.2)}
.night .chips span{background:rgba(255,255,255,.04);color:var(--on-night);box-shadow:inset 0 0 0 1px var(--hair-dark)}

/* ---------- agents (shared) ---------- */
.avatar{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-weight:600;color:#fff;font-size:17px;flex:none;box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}
.av-maya{background:linear-gradient(135deg,#ff8fb1,#ff5d7a)}
.av-sam{background:linear-gradient(135deg,#ffc36b,#ff8a3d)}
.av-charlie{background:linear-gradient(135deg,#5cd6ff,#3b82f6)}
.av-fiona{background:linear-gradient(135deg,#5ee6b0,#12a579)}
.av-oli{background:linear-gradient(135deg,#c3a8ff,#7c5cff)}
.av-sage{background:conic-gradient(from 200deg,#ff5d7a,#ffb45e,#3ddca4,#5cc8ff,#8b6cff,#ff5d7a)}

/* ---------- 9pm timeline (shared) ---------- */
.night-moment{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
@media(max-width:900px){.night-moment{grid-template-columns:1fr;gap:36px}}
.phone{max-width:360px;margin:0 auto;border-radius:44px;padding:10px;background:linear-gradient(160deg,#2a3043,#0d111c);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12),0 40px 90px -30px rgba(0,0,0,.7)}
.phone .screen{border-radius:36px;background:#0b0e17;padding:20px 16px 22px;min-height:560px;position:relative;overflow:hidden}
.phone .notch{width:96px;height:24px;border-radius:999px;background:#000;margin:0 auto 18px}
.phone .who{display:flex;align-items:center;gap:10px;padding:0 4px 14px;border-bottom:1px solid var(--hair-dark);margin-bottom:16px}
.phone .who b{color:#fff;font-size:14px;font-weight:600;display:block;line-height:1.2}
.phone .who small{color:var(--on-night-3);font-size:11.5px}
.msg{max-width:84%;padding:10px 13px;border-radius:18px;font-size:13.5px;line-height:1.45;margin-bottom:10px}
.msg.in{background:#1d2333;color:var(--on-night);border-bottom-left-radius:6px}
.msg.out{background:linear-gradient(135deg,#7c5cff,#5b3fd6);color:#fff;margin-left:auto;border-bottom-right-radius:6px}
.msg time{display:block;font-size:10.5px;opacity:.6;margin-top:3px;font-family:"Geist Mono",monospace}
.slot{margin:4px 0 10px auto;max-width:84%;border-radius:16px;background:#141a28;box-shadow:inset 0 0 0 1px var(--hair-dark);padding:12px 13px;font-size:12.5px;color:var(--on-night-2)}
.slot b{color:#fff;font-weight:600;display:block;font-size:13.5px}
.slot .paid{display:inline-block;margin-top:8px;font-size:11px;font-weight:600;color:#062d20;background:var(--mint);border-radius:999px;padding:2px 9px}
.steps{list-style:none;position:relative}
.steps::before{content:"";position:absolute;left:58px;top:10px;bottom:10px;width:1px;background:linear-gradient(var(--violet),var(--mint))}
.steps li{display:grid;grid-template-columns:48px 20px 1fr;gap:10px;align-items:start;padding:12px 0}
.steps time{font-family:"Geist Mono",monospace;font-size:13px;color:var(--on-night-3);padding-top:2px}
.steps .dot{width:11px;height:11px;border-radius:50%;background:var(--night);box-shadow:0 0 0 2px var(--violet);margin:6px 0 0 4px}
.steps li:last-child .dot{box-shadow:0 0 0 2px var(--mint);background:var(--mint)}
.steps b{color:#fff;font-weight:600;display:block;font-size:16px;letter-spacing:-.02em}
.steps span{color:var(--on-night-2);font-size:14.5px}
.morning{margin-top:18px;border-radius:20px;padding:18px 20px;background:linear-gradient(135deg,rgba(61,220,164,.14),rgba(139,108,255,.1));box-shadow:inset 0 0 0 1px rgba(61,220,164,.25)}
.morning small{font-family:"Geist Mono",monospace;font-size:12px;color:var(--mint)}
.morning p{color:#fff !important;font-size:17px;font-weight:500;letter-spacing:-.02em;margin-top:4px}

/* ---------- footer ---------- */
.foot{background:var(--night);color:var(--on-night-3);padding:56px 0 64px;font-size:14px;border-top:1px solid var(--hair-dark)}
.foot .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.foot nav{display:flex;gap:18px;flex-wrap:wrap}
.foot a{color:var(--on-night-2);text-decoration:none}
.foot a:hover{color:#fff}
.foot .brand{color:#fff;font-weight:600;letter-spacing:-.03em}

/* ---------- reveal ---------- */
.js .rv{opacity:0;transform:translateY(48px);filter:blur(8px);transition:opacity 1s var(--spring),transform 1.1s var(--spring),filter 1s var(--spring)}
.js .rv.in{opacity:1;transform:none;filter:none}
.js .rv.d1{transition-delay:.08s}.js .rv.d2{transition-delay:.16s}.js .rv.d3{transition-delay:.24s}.js .rv.d4{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;filter:none;transition:none}*{scroll-behavior:auto !important}}

/* brand typography (Simma brand guidelines): Poppins for headers and metrics, Inter for body */
.h-xl,.h-lg,.nums b,.census b,.stats b,.lhead b,.homecard b,.pager b,.stationbar b,.cascrow b,.ratio .n,.io b,.owed b,.kpis b,.rates b,.metric b,.stat b,.big b,.acard b,.sc h3,.quote{font-family:Poppins,Inter,sans-serif}
.nums b,.census b,.stats b,.ratio .n,.io b,.owed b,.kpis b,.metric b,.stat b{font-weight:700;letter-spacing:-.02em}
.brand img{display:block;height:24px;width:auto}
.foot .brand img{height:28px}
/* heading-styled text that isn't an h-tag: pull quotes, big statements, prices, stat values, names */
.big,.h-md,.pull,.pullq,.price,.amount,.proofline b,.id b,.who b,.tss-list b,.gl-tam b,.gl-stats b,.fnd .gbp b,.sheet a{font-family:Poppins,Inter,sans-serif}
.big,.h-md{font-weight:600;letter-spacing:-.02em}
.amount,.price,.proofline b,.gl-tam b,.gl-stats b,.tss-list b{font-weight:700;letter-spacing:-.02em}
.tiers span,.buys b,.b18 b,.rounds b{font-family:Poppins,Inter,sans-serif;font-weight:600;letter-spacing:-.02em}
.tiers span,.buys b,.b18 b{font-weight:700}
.foot .ver{flex-basis:100%;font-family:"Geist Mono",monospace;font-size:12px;color:var(--on-night-3)}