/* redzsoftware.com - one dark stone column that turns to manuscript paper for the manual.
   Ornaments move with the scroll, text never does. Colours from the REDZ brand guide:
   teal Pantone 7473 C (#078676), charcoal Black 7 C (#443E37). Fonts K10: Inter, Montserrat,
   IBM Plex Mono - static files with their OFL (site/static/fonts, tools/vendor_fonts.py). */

@font-face{font-family:"Inter";font-weight:400;font-display:swap;src:url("../fonts/inter/inter-latin-400-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212}
@font-face{font-family:"Inter";font-weight:400;font-display:swap;src:url("../fonts/inter/inter-latin-ext-400-normal.woff2") format("woff2");unicode-range:U+0100-024F,U+1E00-1EFF}
@font-face{font-family:"Inter";font-weight:500;font-display:swap;src:url("../fonts/inter/inter-latin-500-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+2000-206F,U+20AC}
@font-face{font-family:"Inter";font-weight:800;font-display:swap;src:url("../fonts/inter/inter-latin-800-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+2000-206F,U+20AC}
@font-face{font-family:"Montserrat";font-weight:500;font-display:swap;src:url("../fonts/montserrat/montserrat-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Montserrat";font-weight:700;font-display:swap;src:url("../fonts/montserrat/montserrat-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-display:swap;src:url("../fonts/ibm-plex-mono/ibm-plex-mono-latin-400-normal.woff2") format("woff2")}

:root{
  color-scheme:dark;
  --stone-900:#161513; --stone-800:#1d1b18; --stone-700:#26241f; --stone-600:#443E37;
  --lime:#e4dccb; --lime-dim:#b9b0a0;
  --teal:#078676; --teal-text:#45b8a5; --teal-ink:#05665a;
  --paper:#efe8d8; --paper-edge:#e2d8c2; --ink:#2b2824; --ink-dim:#5b5449;
  --amber:#d9b46a;
  --font-body:"Inter",system-ui,sans-serif;
  --font-head:"Montserrat","Inter",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
  --w:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--stone-800);color:var(--lime);font:400 17px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--font-head);font-weight:700;line-height:1.15;text-wrap:balance;margin:0}
a{color:var(--teal-text)}
img{max-width:100%}
:focus-visible{outline:2px solid var(--teal-text);outline-offset:3px}
.wrap{max-width:var(--w);margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
.eyebrow{font:500 12px/1 var(--font-head);letter-spacing:.22em;text-transform:uppercase;color:var(--teal-text)}
.chip{display:inline-block;font:500 11px/1.4 var(--font-body);letter-spacing:.04em;padding:3px 9px;border-radius:999px;border:1px solid currentColor;color:var(--lime-dim);vertical-align:middle}
.skip{position:absolute;left:-999px;top:8px;background:var(--teal);color:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:16px}

/* preview notes: shown only in the preview build, removed from the site build */
.pv-note{display:block;margin:14px 0;padding:10px 14px;border:1px dashed var(--amber);border-radius:3px;color:var(--amber);font-size:13.5px;line-height:1.5;background:#d9b46a0d}
.pv-note::before{content:"Preview note: ";font-weight:600}
.on-paper .pv-note{color:#7a5300;border-color:#a8781f;background:#a8781f0d}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--stone-900) 90%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid #ffffff12}
.top .wrap{display:flex;align-items:center;gap:24px;min-height:66px}
.logo svg{display:block;height:38px;width:auto}
.top nav{margin-left:auto}
.top nav ul{list-style:none;margin:0;padding:0;display:flex;gap:clamp(12px,2.2vw,28px);flex-wrap:wrap}
.top nav a{color:var(--lime);text-decoration:none;font:500 14px/1 var(--font-head);letter-spacing:.05em;padding:10px 2px;display:block;border-bottom:2px solid transparent}
.top nav a:hover{color:var(--teal-text)}
.top nav a[aria-current="page"]{border-bottom-color:var(--teal-text)}
.menu-toggle{display:none}

/* buttons */
.btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;font:600 15px/1 var(--font-head);letter-spacing:.03em;text-decoration:none;padding:15px 22px;border-radius:2px;border:1px solid var(--teal);color:var(--lime);background:transparent;transition:background .25s,color .25s;min-height:44px}
.btn.solid{background:var(--teal);color:#fff}
.btn:hover{background:var(--teal);color:#fff}
.btn.solid:hover{background:#0a9a88}
.btn[aria-disabled="true"]{opacity:.55;pointer-events:none}

/* home hero: the whole wall is the carving; a light moves across it with the scroll, the text
   stands in front. The relief is cropped from its stone slab so no edge of the slab shows. */
.hero{position:relative;overflow:hidden;background:var(--stone-900);isolation:isolate;min-height:clamp(560px,82vh,860px);display:grid;align-items:center}
.hero .relief{position:absolute;inset:-12% -6%;background:url("/static/media/tree-of-life.webp?v=db151a01d3") 50% 42%/max(168%,1150px) auto no-repeat;
  opacity:.62;mix-blend-mode:luminosity;filter:contrast(1.2) brightness(.82) sepia(.12);
  transform:translateY(calc(var(--p,0) * -90px)) scale(calc(1.08 - var(--p,0) * .08));z-index:-3}
.hero .light{position:absolute;inset:0;z-index:-2;pointer-events:none;mix-blend-mode:soft-light;
  background:radial-gradient(38% 55% at calc(28% + var(--p,0) * 70%) calc(30% + var(--p,0) * 30%),#fff1d6cc,#fff1d600 70%);
  animation:breathe 9s ease-in-out infinite alternate}
@keyframes breathe{from{opacity:.75}to{opacity:1}}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,#161513f2 0%,#161513cc 34%,#16151366 62%,#16151399 100%),linear-gradient(0deg,var(--stone-800) 0%,#1d1b1800 30%)}
.hero .wrap{width:100%;padding-block:clamp(72px,10vw,140px)}
.hero h1{font-size:clamp(38px,5.6vw,70px);letter-spacing:-.01em;margin:18px 0 22px;max-width:15ch}
.hero p.lead{font-size:clamp(17px,1.6vw,20px);color:var(--lime-dim);max-width:40ch;margin:0 0 32px}

/* page heads (product pages) */
.page-head{position:relative;overflow:hidden;background:var(--stone-900);border-bottom:1px solid #ffffff10}
.page-head .band-bg{position:absolute;inset:0;background:url("/static/media/border-stone.webp?v=6236ef1ed1") center/cover;opacity:.28;mix-blend-mode:luminosity;transform:translateY(calc(var(--p,0) * -40px)) scale(1.1);
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 55%);mask-image:linear-gradient(90deg,transparent 0,#000 55%)}
.page-head .wrap{position:relative;padding-block:clamp(56px,8vw,104px) clamp(44px,6vw,80px)}
.page-head h1{font-size:clamp(34px,4.8vw,58px);margin:14px 0 16px}
.page-head p.lead{font-size:clamp(17px,1.5vw,19px);color:var(--lime-dim);max-width:56ch;margin:0 0 26px}
.crumbs{font-size:13px;color:var(--lime-dim)}
.crumbs a{color:var(--lime-dim)}
.subnav{position:sticky;top:66px;z-index:15;background:var(--stone-800);border-bottom:1px solid #ffffff12}
.subnav ul{list-style:none;margin:0;padding:0;display:flex;gap:6px 22px;flex-wrap:wrap}
.subnav a{display:block;padding:14px 0;color:var(--lime-dim);text-decoration:none;font:500 13.5px/1 var(--font-head);letter-spacing:.05em}
.subnav a:hover{color:var(--teal-text)}

/* the carved star band: moves sideways with the scroll */
.band{height:86px;background-color:var(--stone-700);border-block:1px solid #ffffff10;position:relative;overflow:hidden}
.band .layer-gem,.band .layer-code{position:absolute;inset:0;background-repeat:repeat-x}
.band .layer-gem{background-image:url("/static/media/border-stone.webp?v=6236ef1ed1");background-size:auto 150%;background-position:calc(var(--p,0) * -220px) 50%;opacity:.85}
.band .layer-code{background-image:url("/static/ornaments/khatam-tile.svg?v=da1ee27436");background-size:86px;opacity:.22;filter:invert(.86) sepia(.25);background-position-x:calc(var(--p,0) * -260px)}

/* sections */
.section{padding-block:clamp(64px,9vw,120px)}
.section.alt{background:linear-gradient(var(--stone-900),var(--stone-800))}
.sec-head{display:grid;gap:14px;margin-bottom:clamp(32px,5vw,60px);max-width:62ch}
.sec-head h2{font-size:clamp(28px,3.6vw,44px)}
.sec-head p{margin:0;color:var(--lime-dim)}

/* product rows (home) */
.prod{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,60px);align-items:center;padding-block:clamp(28px,4vw,48px);border-top:1px solid #ffffff14;transform:translateY(calc((1 - min(1,var(--p,1) * 2.6)) * 46px))}
.prod:nth-of-type(even){grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.prod:nth-of-type(even) .prod-text{order:2}
.prod h3{font-size:clamp(24px,2.6vw,32px);margin:10px 0 14px}
.prod h3 a{color:inherit;text-decoration:none}
.prod h3 a:hover{color:var(--teal-text)}
.prod p{margin:0 0 16px;color:var(--lime-dim);max-width:52ch}
.prod.lead-prod{border-top:0}
.media{position:relative;border-radius:4px;overflow:hidden;background:var(--stone-700);aspect-ratio:16/10;box-shadow:0 30px 60px #0007;border:1px solid #ffffff14}
.media img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block;transform:scale(calc(1.12 - var(--p,0) * .12))}
.placeholder{display:grid;place-items:center;height:100%;padding:24px;text-align:center;color:var(--lime-dim);font-size:14px;background:repeating-linear-gradient(135deg,#ffffff06 0 12px,transparent 12px 24px)}
.placeholder b{display:block;font:600 18px/1.3 var(--font-head);color:var(--lime);margin-bottom:6px}
.retake{position:absolute;left:12px;bottom:12px;background:#000a;color:#e9c27a;font-size:12px;padding:4px 10px;border-radius:999px}

/* features (product page) */
.features{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:1px;background:#ffffff14;border:1px solid #ffffff14}
.feature{background:var(--stone-800);padding:26px 24px 28px;display:grid;gap:10px;align-content:start}
.feature h3{font-size:19px}
.feature p{margin:0;color:var(--lime-dim);font-size:15.5px}
.feature a{font:500 13.5px/1 var(--font-head);letter-spacing:.04em;text-decoration:none}

/* at work: screens turn toward you */
.stage{--k:clamp(0,(var(--p,1) - .12) * 2.4,1);perspective:1500px;display:grid;grid-template-columns:1fr 1.3fr 1fr;gap:clamp(12px,2vw,26px);align-items:center}
.screen{position:relative;margin:0;border-radius:6px;overflow:hidden;border:1px solid #ffffff1c;background:#000;box-shadow:0 40px 90px #000a;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.screen img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover;object-position:top left;animation:drift 16s ease-in-out infinite alternate}
.stage .screen:nth-child(1){transform:rotateY(calc((1 - var(--k)) * 34deg + 8deg)) translateX(calc((1 - var(--k)) * 60px))}
.stage .screen:nth-child(2){transform:translateZ(calc(var(--k) * 40px)) scale(calc(.92 + var(--k) * .08));z-index:2}
.stage .screen:nth-child(3){transform:rotateY(calc((1 - var(--k)) * -34deg - 8deg)) translateX(calc((1 - var(--k)) * -60px))}
.stage .screen:hover{transform:translateZ(80px) scale(1.04);z-index:3}
.screen figcaption{position:absolute;inset:auto 0 0 0;padding:28px 14px 12px;font-size:13px;line-height:1.4;color:var(--lime);background:linear-gradient(transparent,#000c)}
.play{position:absolute;top:12px;right:12px;font:500 11px/1 var(--font-head);letter-spacing:.12em;text-transform:uppercase;color:#fff;background:var(--teal);padding:6px 9px;border-radius:2px}
@keyframes drift{from{transform:scale(1.02)}to{transform:scale(1.14) translate(-3%,-2%)}}
.note{margin-top:22px;font-size:14px;color:var(--lime-dim);max-width:70ch}

/* the mobile app: three phones fan out with the scroll */
.app{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,72px);align-items:center}
.phones{--k:clamp(0,(var(--p,1) - .1) * 2.2,1);display:flex;justify-content:center;align-items:flex-end;gap:0;min-height:420px}
.phone{width:min(31%,220px);border-radius:26px;border:6px solid #0b0a09;background:#0b0a09;box-shadow:0 30px 70px #000b;overflow:hidden;margin:0}
.phone img{display:block;width:100%;aspect-ratio:600/1333;object-fit:cover}
.phones .phone:nth-child(1){transform:translateX(calc(var(--k) * 10px + 30px)) rotate(calc((1 - var(--k)) * -2deg - 6deg));z-index:1}
.phones .phone:nth-child(2){transform:translateY(calc(var(--k) * -26px));z-index:2}
.phones .phone:nth-child(3){transform:translateX(calc(var(--k) * -10px - 30px)) rotate(calc((1 - var(--k)) * 2deg + 6deg));z-index:1}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:#ffffff18;border:1px solid #ffffff18}
.plan{background:var(--stone-800);padding:28px 22px;display:grid;grid-template-rows:auto auto auto 1fr auto;gap:12px}
.plan.featured{background:linear-gradient(180deg,#07867622,var(--stone-800) 45%);box-shadow:inset 0 3px var(--teal)}
.plan h3{font-size:20px}
.price{font:700 34px/1.1 var(--font-head);color:var(--lime)}
.price small{font:500 14px/1 var(--font-body);color:var(--lime-dim);margin-left:4px}
.price.tbd{font-size:20px;color:var(--amber)}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:15px;color:var(--lime-dim)}
.plan li::before{content:"";display:inline-block;width:7px;height:7px;margin-right:10px;transform:rotate(45deg);background:var(--teal-text);vertical-align:2px}
.plans-note{margin-top:20px;font-size:14.5px;color:var(--lime-dim);max-width:72ch}

/* the manual: manuscript paper with an illumination border */
.on-paper{background:var(--paper);color:var(--ink)}
.on-paper a{color:var(--teal-ink)}
.illum{height:clamp(80px,10vw,130px);position:relative;overflow:hidden;border-bottom:1px solid var(--paper-edge)}
.illum .layer-gem{position:absolute;inset:0;background:url("/static/media/border-illumination.webp?v=38301caa6b") center/cover;transform:translateY(calc(var(--p,0) * -26px)) scale(1.1)}
.manual-grid{display:grid;grid-template-columns:270px minmax(0,1fr);gap:clamp(24px,4vw,56px);padding-block:clamp(40px,6vw,80px)}
.toc{position:sticky;top:84px;align-self:start;font-size:14px;border-right:1px solid var(--paper-edge);padding-right:20px;max-height:calc(100vh - 100px);overflow:auto}
.toc .eyebrow{color:var(--teal-ink)}
.toc ol{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:2px}
.toc a{display:flex;gap:10px;padding:6px 8px;border-radius:2px;text-decoration:none;color:var(--ink);min-height:24px}
.toc a span{font:500 12px/1.9 var(--font-mono);color:var(--ink-dim);min-width:1.4em}
.toc a.on{background:#05665a14;color:var(--teal-ink);box-shadow:inset 2px 0 var(--teal-ink)}
.toc a:hover{background:#0000000a}
.toc ol ol{margin:2px 0 6px 30px}
.toc ol ol a{font-size:13px;padding:3px 8px;color:var(--ink-dim)}
.doc h1{font-size:clamp(30px,3.8vw,46px);margin:8px 0 6px}
.doc .meta{color:var(--ink-dim);font-size:15px;margin-bottom:26px}
.doc .actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.doc .btn{color:var(--teal-ink);border-color:var(--teal-ink)}
.doc .btn.solid{background:var(--teal-ink);color:#fff}
.chapter{border-top:1px solid var(--paper-edge);padding-top:30px;margin-bottom:40px;max-width:70ch}
.ch-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:16px}
.ch-num{font:700 15px/1 var(--font-head);color:#fff;background:var(--teal-ink);width:34px;height:34px;display:grid;place-items:center;border-radius:2px;flex:none}
.chapter h2{font-size:clamp(24px,2.6vw,30px)}
.chapter h3{font-size:19px;margin:28px 0 8px;color:var(--teal-ink)}
.chapter ul{padding-left:20px}
.chapter li{margin-bottom:6px}
.chip.ev{color:var(--teal-ink)}
figure.fig{margin:26px 0;border:1px solid var(--paper-edge);background:#fff;padding:10px}
figure.fig img{display:block;width:100%;height:auto}
figure.fig figcaption{font-size:13.5px;color:var(--ink-dim);padding:10px 4px 2px}
figure.fig .retake{position:static;display:inline-block;margin-left:6px;background:#8a5a0014;color:#7a4f00}

/* contact (K9) and footer */
.contact{padding-block:clamp(56px,8vw,96px);background:var(--stone-900);position:relative;overflow:hidden}
.contact .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start;position:relative}
.contact h2{font-size:clamp(26px,3vw,38px);margin:12px 0}
.tree-bg{position:absolute;right:max(-80px,calc(50% - 760px));top:50%;width:min(560px,70vw);aspect-ratio:600/820;transform:translateY(-50%);opacity:.3;pointer-events:none}
.tree{position:absolute;inset:0}
.tree svg{width:100%;height:100%;display:block}
.tree path{stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--draw,1))}
.tree path.leaf{stroke-dashoffset:calc(1 - clamp(0,(var(--draw,1) - .5) * 2.2,1))}
.tree.outer path{stroke:var(--lime);stroke-width:7}
.tree.outer .trunk{stroke-width:11}
.tree.outer .leaf{stroke:var(--teal-text)}
.tree.inner path{stroke:var(--stone-900);stroke-width:3}
.tree.inner .trunk{stroke-width:6}
.card{border:1px solid #ffffff1c;padding:26px;border-radius:3px;background:var(--stone-800)}
.card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 18px;font-size:15.5px}
.card dt{color:var(--lime-dim)}
.card dd{margin:0}
.strip{background:var(--stone-900);border-top:1px solid #ffffff14;padding-block:28px}
.strip .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px 28px;flex-wrap:wrap}
.strip p{margin:0;color:var(--lime-dim)}
.strip .eyebrow{margin-right:10px}
.strip strong{color:var(--lime);font-weight:500}
.mail{font:500 18px/1.4 var(--font-mono);color:var(--teal-text);user-select:all}
.offices{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;position:relative}
.office{display:grid;gap:8px;align-content:start}
.office h2{font-size:clamp(22px,2.4vw,28px)}
.office h3{font-size:19px}
.office p{margin:0;color:var(--lime-dim);font-size:15.5px;overflow-wrap:anywhere}
.office.main{grid-column:1/-1;background:linear-gradient(120deg,#07867620,var(--stone-800) 55%);box-shadow:inset 3px 0 var(--teal)}
footer{padding:26px 0 40px;background:var(--stone-900);color:var(--lime-dim);font-size:13px;border-top:1px solid #ffffff12}
footer .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
footer a{color:var(--lime-dim)}
.linklike{background:none;border:0;padding:0;font:inherit;color:var(--lime-dim);text-decoration:underline;cursor:pointer}
.consent{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#11100ef2;border-top:1px solid #ffffff24;box-shadow:0 -20px 50px #0008;padding-block:18px calc(18px + env(safe-area-inset-bottom,0px))}
.consent[hidden]{display:none}
.consent .wrap{display:flex;align-items:center;gap:14px 28px;flex-wrap:wrap;justify-content:space-between}
.consent p{margin:0;max-width:70ch;font-size:15px;color:var(--lime-dim)}
.consent .pv-note{flex-basis:100%}

@media (max-width:900px){
  .contact .wrap,.app{grid-template-columns:1fr}
  .prod,.prod:nth-of-type(even){grid-template-columns:1fr}
  .prod:nth-of-type(even) .prod-text{order:0}
  .stage{grid-template-columns:1fr 1fr}
  .stage .screen:nth-child(2){grid-column:1/-1;order:-1}
  .plans{grid-template-columns:1fr 1fr}
  .manual-grid{grid-template-columns:1fr}
  .toc{position:static;max-height:none;border-right:0;border-bottom:1px solid var(--paper-edge);padding:0 0 16px}
  .hero .relief{background-size:max(260%,1150px) auto;opacity:.5}
}
@media (max-width:720px){
  .menu-toggle{display:inline-flex;margin-left:auto;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid #ffffff2a;background:transparent;color:var(--lime);font:600 13px/1 var(--font-head);letter-spacing:.06em;border-radius:2px;cursor:pointer}
  .top nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--stone-900);border-bottom:1px solid #ffffff18}
  .top nav.open{display:block}
  .top nav ul{flex-direction:column;gap:0;padding:8px clamp(16px,4vw,40px) 16px}
  .top nav a{padding:14px 0;border-bottom:1px solid #ffffff10}
  .subnav{top:66px}
}
@media (max-width:520px){.plans,.offices{grid-template-columns:1fr}.phones{min-height:300px}}
@media (prefers-reduced-motion:reduce){.screen img,.hero .light{animation:none}html{scroll-behavior:auto}}