/* ==========================================================================
   Dondarrion — site styles
   Palette: white page, blue ambience, frosted glass.
   One object on the page is a faithful De Stijl composition: the slice
   builder, laid out on the proportions of Mondrian's
   "Composition II in Red, Blue and Yellow" (1930).
   ========================================================================== */

:root{
  --paper:#ffffff;
  --ink:#131c3d;
  --text:#414c74;
  --muted:#7c86a8;
  --blue:#1b3fc4;
  --blue-deep:#0f2472;
  --blue-bright:#3d6bff;
  --blue-pale:#e9eefc;
  --red:#e6080e;
  --yellow:#ffce00;
  --line:rgba(27,63,196,.14);
  --glass:rgba(255,255,255,.58);
  --shadow:0 10px 34px rgba(19,45,130,.10);
  --shadow-lg:0 20px 60px rgba(19,45,130,.14);

  /* De Stijl */
  --stijl-black:#0d0d0f;
  --rule:12px;

  --display:"Bricolage Grotesque","Archivo","Helvetica Neue",Arial,sans-serif;
  --numeral:"Bodoni Moda",Didot,"Times New Roman",serif;
  --body:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"Space Mono",ui-monospace,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);font-family:var(--body);font-size:16px;line-height:1.55;color:var(--text);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  -webkit-tap-highlight-color:rgba(27,63,196,.12);
}
img{display:block;max-width:100%}
button,input,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--blue-bright);outline-offset:3px}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
section{padding:clamp(52px,6.5vw,100px) 0}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- ambient blue field ---------- */
.field{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.orb.a{width:60vw;height:60vw;left:-14vw;top:-18vw;background:radial-gradient(circle,#4c7bff 0%,rgba(76,123,255,0) 70%)}
.orb.b{width:52vw;height:52vw;right:-12vw;top:6vw;background:radial-gradient(circle,#1b3fc4 0%,rgba(27,63,196,0) 70%);opacity:.3}
.orb.c{width:34vw;height:34vw;left:34vw;bottom:-14vw;background:radial-gradient(circle,#8fb0ff 0%,rgba(143,176,255,0) 70%)}
.orb.d{width:16vw;height:16vw;right:20vw;bottom:26vh;background:radial-gradient(circle,#ffce00 0%,rgba(255,206,0,0) 70%);opacity:.26}
@media(min-width:900px){
  .orb.a{animation:drift 34s ease-in-out infinite alternate}
  .orb.b{animation:drift 44s ease-in-out infinite alternate-reverse}
  .orb.c{animation:drift 38s ease-in-out infinite alternate}
}
@keyframes drift{from{transform:translate3d(0,0,0)}to{transform:translate3d(4vw,3vw,0) scale(1.08)}}

/* ---------- glass ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(22px) saturate(180%);backdrop-filter:blur(22px) saturate(180%);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9);
  border-radius:18px;
}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .glass{background:rgba(255,255,255,.92)}
}

/* ---------- type ---------- */
.eyebrow{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.eyebrow b{color:var(--blue);font-weight:700}
h1{font-family:var(--display);font-weight:800;font-size:clamp(2.6rem,6vw,5.2rem);line-height:.92;letter-spacing:-.035em;
  color:var(--ink);font-variation-settings:"wdth" 96,"opsz" 96}
h1 em{font-style:normal;color:var(--blue)}
h2{font-family:var(--display);font-weight:700;font-size:clamp(1.8rem,3.4vw,2.9rem);line-height:1;letter-spacing:-.028em;
  color:var(--ink);font-variation-settings:"wdth" 96,"opsz" 48}
h3{font-weight:700;font-size:1.05rem;color:var(--ink);letter-spacing:-.005em}
h4{font-family:var(--display);font-weight:700;font-size:1.22rem;color:var(--ink);letter-spacing:-.02em}
p{max-width:64ch}
.lead{font-size:clamp(1rem,1.3vw,1.16rem)}
.small{font-size:.88rem}
.tiny{font-size:.78rem;color:var(--muted)}
.section-head{max-width:760px;margin-bottom:clamp(24px,3vw,42px);display:flex;flex-direction:column;gap:12px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;font-weight:600;
  font-size:.9rem;padding:13px 22px;min-height:46px;cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background .16s ease}
.btn:hover{transform:translateY(-1px)}
.btn-red{background:var(--red);color:#fff;box-shadow:0 8px 22px rgba(230,8,14,.28)}
.btn-red:hover{box-shadow:0 12px 28px rgba(230,8,14,.34)}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 22px rgba(27,63,196,.3)}
.btn-blue:hover{box-shadow:0 12px 28px rgba(27,63,196,.36)}
.btn-ghost{background:rgba(255,255,255,.62);color:var(--ink);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.btn-ghost:hover{background:#fff}

/* ---------- header ---------- */
.site-header{position:sticky;top:14px;z-index:80;margin:14px auto 0;max-width:1240px;width:calc(100% - 32px);
  display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 16px 14px 28px;
  transition:padding .25s ease}
.site-header.compact{padding:10px 14px 10px 22px}
.logo{height:88px;width:auto;transition:height .25s ease}
.site-header.compact .logo{height:54px}
.logo-link{display:block;line-height:0}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-size:.86rem;font-weight:500;color:var(--ink);padding-bottom:2px;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--blue)}
.nav .btn{color:#fff;border-bottom:0}

/* ---------- hero ---------- */
.hero{padding-top:clamp(34px,4.4vw,64px)}
.hero-inner{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:clamp(26px,3.6vw,56px);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:stretch}
.contact-box{display:flex;flex-direction:column;justify-content:center;gap:2px;padding:9px 18px;border-radius:12px;
  background:rgba(255,255,255,.62);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.contact-box:hover{transform:translateY(-1px);border-color:var(--blue-bright);box-shadow:var(--shadow)}
.contact-box .cb-k{font-family:var(--mono);font-size:.55rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.contact-box .cb-v{font-size:.86rem;font-weight:600;color:var(--blue)}

/* ==========================================================================
   The slice builder — Mondrian, Composition II in Red, Blue and Yellow (1930)
   Three columns (30 / 56 / 14) and three rows (26 / 38 / 36). The red plane
   occupies the upper right across two columns and two rows; blue sits lower
   left; the small yellow field sits in the lower right corner.
   ========================================================================== */
.builder{display:flex;flex-direction:column;gap:14px}
.builder-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:.58rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;padding:3px 8px}

.stage{position:relative}
.mondrian{
  display:grid;gap:var(--rule);padding:var(--rule);background:var(--stijl-black);
  grid-template-columns:30fr 56fr 14fr;
  grid-template-rows:26fr 38fr 36fr;
  grid-template-areas:
    "age red red"
    "inc red red"
    "par city gen";
  aspect-ratio:1.2/1;
}
.plane{position:relative;background:#fbfbf9;color:var(--ink);border:0;text-align:left;cursor:pointer;font-family:inherit;
  padding:14px 15px;display:flex;flex-direction:column;justify-content:flex-end;gap:4px;overflow:hidden;min-width:0;
  transition:filter .18s ease}
.plane:hover{filter:brightness(.94)}
.plane .k{font-family:var(--mono);font-size:.54rem;letter-spacing:.13em;text-transform:uppercase;opacity:.6;line-height:1.2}
.plane .v{font-weight:600;font-size:clamp(.8rem,1vw,.98rem);line-height:1.12;letter-spacing:-.012em}
.plane::after{content:"";position:absolute;top:10px;right:10px;width:7px;height:7px;background:currentColor;opacity:.2;
  transition:opacity .18s ease}
.plane:hover::after,.plane.open::after{opacity:.7}
.plane[data-fill="red"]{background:var(--red);color:#fff}
.plane[data-fill="blue"]{background:var(--blue);color:#fff}
.plane[data-fill="yellow"]{background:var(--yellow);color:var(--stijl-black)}
.p-age{grid-area:age}.p-inc{grid-area:inc}.p-red{grid-area:red}
.p-par{grid-area:par}.p-city{grid-area:city}.p-gen{grid-area:gen}
.p-red{justify-content:space-between}
.p-red .v{font-family:var(--numeral);font-weight:600;font-size:clamp(1.9rem,3.6vw,3.2rem);line-height:.92;letter-spacing:-.025em}
.p-gen{padding:12px 10px}
.p-gen .k{font-size:.5rem;letter-spacing:.1em}

/* value picker */
.pick{position:absolute;z-index:40;min-width:160px;max-width:min(260px,calc(100% - 20px));padding:8px;display:none;
  flex-direction:column;gap:3px;background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(26px) saturate(180%);backdrop-filter:blur(26px) saturate(180%);
  border:2px solid var(--stijl-black);box-shadow:0 18px 46px rgba(0,0,0,.26)}
.pick.open{display:flex}
.pick .ph{font-family:var(--mono);font-size:.55rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);padding:3px 8px 5px}
.pick button{border:0;background:none;text-align:left;padding:9px 10px;font-size:.84rem;color:var(--ink);cursor:pointer;min-height:38px}
.pick button:hover{background:rgba(27,63,196,.1)}
.pick button[aria-pressed="true"]{background:var(--blue);color:#fff;font-weight:600}

/* result, rendered in the same frame */
.result{display:none;flex-direction:column;gap:var(--rule);padding:var(--rule);background:var(--stijl-black);
  aspect-ratio:1.2/1}
.stage.done .mondrian{display:none}
.stage.done .result{display:flex}
.qhead{background:#fbfbf9;padding:11px 14px;flex:0 0 auto}
.qhead .qt{font-size:.83rem;font-weight:600;color:var(--ink);line-height:1.3;display:block}
.qhead .base{font-family:var(--mono);font-size:.56rem;letter-spacing:.07em;color:var(--muted);text-transform:uppercase;
  margin-top:5px;display:block}
.bar{display:flex;align-items:center;gap:14px;padding:8px 15px;min-height:42px;flex-grow:1;flex-basis:0;
  background:#fbfbf9;color:var(--ink);transition:flex-grow .7s cubic-bezier(.2,.75,.2,1)}
.bar .pct{font-family:var(--numeral);font-weight:600;font-size:clamp(1.3rem,2.6vw,2.1rem);line-height:1;letter-spacing:-.02em;min-width:2.8em}
.bar .lab{font-size:.86rem;font-weight:500;line-height:1.2}
.bar[data-fill="red"]{background:var(--red);color:#fff}
.bar[data-fill="blue"]{background:var(--blue);color:#fff}
.bar[data-fill="yellow"]{background:var(--yellow);color:var(--stijl-black)}
.status{position:absolute;inset:0;display:none;align-items:center;justify-content:center;gap:12px;z-index:30;
  background:rgba(255,255,255,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.stage.busy .status{display:flex}
.spin{width:13px;height:13px;border-radius:50%;border:2px solid rgba(27,63,196,.25);border-top-color:var(--blue);
  animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* ask */
.ask{display:flex;flex-direction:column;gap:10px}
.qwrap{display:flex;gap:10px;flex-wrap:wrap}
.qinput{flex:1 1 240px;min-width:0;border:1px solid var(--line);background:rgba(255,255,255,.75);border-radius:12px;
  padding:13px 15px;font-size:.9rem;color:var(--ink);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}
.qinput::placeholder{color:var(--muted)}
.presets{display:flex;flex-wrap:wrap;gap:6px}
.preset{border:1px solid var(--line);background:rgba(255,255,255,.55);border-radius:20px;font-family:var(--mono);
  font-size:.62rem;letter-spacing:.04em;color:var(--muted);cursor:pointer;padding:7px 12px;
  transition:color .14s ease,border-color .14s ease}
.preset:hover{color:var(--blue);border-color:var(--blue-bright)}
.readout{display:flex;flex-wrap:wrap;gap:6px 18px;font-family:var(--mono);font-size:.62rem;letter-spacing:.05em;
  color:var(--muted);align-items:center}
.readout b{color:var(--ink);font-weight:700}
.textlink{background:none;border:0;font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue);cursor:pointer;padding:4px 0}
.textlink:hover{text-decoration:underline}

/* ---------- example output ---------- */
.report{padding:0;overflow:hidden}
.report-top{padding:clamp(20px,2.2vw,28px);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;align-items:flex-start}
.report-q{font-family:var(--display);font-weight:700;font-size:clamp(1.05rem,1.7vw,1.38rem);letter-spacing:-.02em;
  color:var(--ink);line-height:1.22;max-width:56ch}
.stamp{font-family:var(--mono);font-size:.56rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);
  border:1px solid rgba(230,8,14,.3);border-radius:6px;padding:4px 9px;white-space:nowrap}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.xtab{border-collapse:collapse;width:100%;min-width:620px;font-size:.87rem}
table.xtab th,table.xtab td{padding:12px 14px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
table.xtab thead th{font-family:var(--mono);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);
  font-weight:400;border-bottom:2px solid var(--line)}
table.xtab th[scope="row"]{text-align:left;font-weight:600;color:var(--ink);position:sticky;left:0;background:rgba(255,255,255,.94)}
table.xtab thead th:first-child{text-align:left;position:sticky;left:0;background:rgba(255,255,255,.94);z-index:2}
table.xtab td.total{font-weight:700;color:var(--ink);background:rgba(27,63,196,.06)}
table.xtab tr.net th,table.xtab tr.net td{border-bottom:0;border-top:2px solid var(--line);color:var(--blue);font-weight:700}
.report-foot{padding:16px clamp(20px,2.2vw,28px);display:flex;flex-wrap:wrap;gap:6px 22px;
  font-family:var(--mono);font-size:.6rem;letter-spacing:.06em;color:var(--muted);background:rgba(233,238,252,.4)}
.report-foot b{color:var(--ink);font-weight:700}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{padding:clamp(24px,2.4vw,32px);display:flex;flex-direction:column;gap:10px}
.step-n{font-family:var(--mono);font-size:.66rem;letter-spacing:.16em;color:var(--blue);margin-bottom:6px}

/* ---------- comparison ---------- */
.compare{padding:clamp(16px,1.8vw,24px)}
.ctable{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr}
.ctable>div{padding:14px 16px;font-size:.87rem;display:flex;align-items:center}
.ctable .h{font-family:var(--mono);font-size:.6rem;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);
  padding-bottom:10px;align-items:flex-end;line-height:1.3}
.ctable .h.dd{color:#fff;background:var(--blue);border-radius:10px 10px 0 0;font-weight:700}
.ctable .k{font-weight:600;color:var(--ink)}
.ctable .v{color:var(--muted)}
.ctable .new{background:rgba(27,63,196,.07);font-weight:600;color:var(--blue-deep)}
.ctable .new.last{border-radius:0 0 10px 10px}
.ctable .row{border-top:1px solid var(--line)}
.srcnote{margin-top:14px;font-size:.76rem;color:var(--muted);max-width:none}
.srcnote a{color:var(--blue);border-bottom:1px solid rgba(27,63,196,.3)}

/* ---------- method blocks ---------- */
.method{display:grid;grid-template-columns:1.05fr 1fr;gap:18px;align-items:stretch}
.deep{background:linear-gradient(155deg,#0f2472 0%,#1b3fc4 62%,#3d6bff 100%);color:#dbe4ff;border-radius:18px;
  padding:clamp(28px,3.4vw,48px);display:flex;flex-direction:column;justify-content:center;gap:16px;box-shadow:var(--shadow-lg)}
.deep h2,.deep h4{color:#fff}
.deep .eyebrow{color:rgba(255,255,255,.62)}
.deep p{color:rgba(255,255,255,.84)}
.deep a{color:#fff;border-bottom:1px solid rgba(255,255,255,.45)}
.panel{padding:clamp(22px,2.4vw,32px)}
.limits{list-style:none;display:flex;flex-direction:column;gap:12px;margin-top:16px}
.limits li{background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.8);border-radius:13px;padding:16px 18px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-left:5px solid var(--blue)}
.limits li:nth-child(2){border-left-color:var(--red)}
.limits li:nth-child(3){border-left-color:var(--yellow)}
.limits b{display:block;color:var(--ink);font-size:.95rem;margin-bottom:3px}
.limits span{font-size:.86rem;color:var(--muted)}

/* ---------- cta ---------- */
.cta{padding:clamp(30px,3.6vw,56px);display:grid;grid-template-columns:1.25fr 1fr;gap:32px;align-items:center}
.signup{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.signup input{flex:1 1 240px;min-width:0;border:1px solid var(--line);background:rgba(255,255,255,.82);border-radius:12px;
  padding:13px 15px;font-size:.9rem;color:var(--ink)}
.note{margin-top:12px;font-family:var(--mono);font-size:.64rem;letter-spacing:.06em;color:var(--muted)}
/* small De Stijl echo */
.mini{display:grid;gap:8px;padding:8px;background:var(--stijl-black);
  grid-template-columns:34fr 42fr 24fr;grid-template-rows:40fr 30fr 30fr;
  grid-template-areas:"a b b" "c b b" "c d e";aspect-ratio:1.15/1}
.mini i{display:block}
.mini i:nth-child(1){grid-area:a;background:#fbfbf9}
.mini i:nth-child(2){grid-area:b;background:var(--red)}
.mini i:nth-child(3){grid-area:c;background:var(--blue)}
.mini i:nth-child(4){grid-area:d;background:#fbfbf9}
.mini i:nth-child(5){grid-area:e;background:var(--yellow)}

/* ---------- footer ---------- */
footer{background:linear-gradient(160deg,#0f2472,#1b3fc4);color:rgba(255,255,255,.66);margin-top:clamp(40px,5vw,80px)}
.foot{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;flex-wrap:wrap;padding:46px 24px}
footer .logo{height:74px;filter:brightness(0) invert(1)}
.tagline{font-family:var(--mono);font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;margin-top:14px}
.flinks{display:flex;gap:22px;flex-wrap:wrap;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase}
.flinks a:hover{color:#fff}

/* ---------- article (method page) ---------- */
.article{max-width:800px}
.article h2{margin:46px 0 14px}
.article h4{margin:28px 0 8px}
.article p{margin-bottom:14px}
.article ul,.article ol{margin:0 0 16px 20px}
.article li{margin-bottom:9px;max-width:62ch}
.article a{color:var(--blue);border-bottom:1px solid rgba(27,63,196,.3)}
.kicker{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--red)}
.cite{border-left:5px solid var(--blue);background:rgba(255,255,255,.62);border-radius:0 13px 13px 0;padding:18px 20px;
  margin:22px 0;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.cite .t{font-weight:600;color:var(--ink);display:block;margin-bottom:4px}
.cite .m{font-size:.84rem;color:var(--muted)}
.callout{background:rgba(255,206,0,.16);border:1px solid rgba(255,206,0,.5);border-radius:13px;padding:18px 20px;margin:22px 0}
.callout b{color:var(--ink)}
.steps-list{list-style:none;margin:0;counter-reset:s}
.steps-list li{counter-increment:s;position:relative;padding-left:52px;margin-bottom:22px;max-width:62ch}
.steps-list li::before{content:counter(s,decimal-leading-zero);position:absolute;left:0;top:2px;font-family:var(--mono);
  font-size:.72rem;color:var(--blue);border:1px solid var(--line);border-radius:8px;padding:5px 9px}
.steps-list b{display:block;color:var(--ink);margin-bottom:3px}
.swap{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:22px 0}
.swap>div{border-radius:13px;padding:18px 20px}
.swap .out{background:rgba(233,238,252,.6);border:1px solid var(--line)}
.swap .in{background:rgba(27,63,196,.08);border:1px solid rgba(27,63,196,.22)}
.swap .lbl{font-family:var(--mono);font-size:.58rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);
  display:block;margin-bottom:7px}
.swap .in .lbl{color:var(--blue)}
.facts{list-style:none;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.facts li{background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.8);border-radius:12px;padding:14px 16px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);margin:0}
.facts .fk{font-family:var(--mono);font-size:.56rem;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);display:block}
.facts .fv{font-weight:600;color:var(--ink);font-size:.95rem;margin-top:3px;display:block}

/* default state for the mobile-only blocks built by app.js */
.cblock{display:none}
.scroll-hint{display:none;font-family:var(--mono);font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);padding:10px 18px 0}

/* ---------- entrance ---------- */
.rise{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.rise.in{opacity:1;transform:none}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media(max-width:1020px){
  .hero-inner,.method,.cta{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .logo{height:64px}
  .site-header.compact .logo{height:46px}
  .builder{max-width:560px}
  .mini{max-width:360px}
  .swap{grid-template-columns:1fr}
}

@media(max-width:760px){
  :root{--rule:9px}
  .wrap{padding:0 16px}
  section{padding:40px 0}
  .site-header{top:8px;margin-top:8px;width:calc(100% - 20px);padding:10px 10px 10px 16px;gap:10px}
  .logo{height:46px}
  .site-header.compact .logo{height:38px}
  .nav{gap:0}
  .nav a:not(.btn):not(.keep){display:none}
  .nav .keep{font-size:.8rem;margin-right:4px}
  .btn{padding:12px 16px;font-size:.86rem}

  h1{font-size:clamp(2.1rem,10vw,2.9rem);letter-spacing:-.03em}
  h2{font-size:clamp(1.55rem,6.4vw,2rem)}
  p,.lead{font-size:1rem}

  .hero{padding-top:22px}
  .hero-copy{gap:18px}
  .hero-actions{gap:10px}
  .hero-actions .btn,.contact-box{flex:1 1 100%}
  .contact-box{padding:11px 16px}
  .builder{max-width:none}

  /* the composition keeps its character but the right column widens
     so the yellow field can hold a legible label on a phone */
  .mondrian,.result{aspect-ratio:auto;min-height:410px}
  .mondrian{grid-template-columns:33fr 45fr 22fr;grid-template-rows:25fr 35fr 40fr}
  .plane{padding:11px 11px}
  .plane .v{font-size:.85rem}
  .p-red .v{font-size:1.9rem}
  .p-gen{padding:11px 8px}
  .bar{padding:8px 12px;gap:10px}
  .bar .pct{font-size:1.5rem;min-width:2.6em}
  .bar .lab{font-size:.8rem}

  /* inputs at 16px so iOS does not zoom the page on focus */
  .qinput,.signup input{font-size:16px;padding:14px}
  .qwrap{gap:8px}
  .qwrap .btn{flex:1 1 100%}
  .preset{font-size:.66rem;padding:8px 12px}
  .pick{max-width:calc(100% - 16px)}
  .pick button{min-height:44px;font-size:.9rem}

  .report-top{padding:18px}
  .report-foot{padding:14px 18px}
  table.xtab{min-width:540px;font-size:.82rem}
  table.xtab th,table.xtab td{padding:10px}
  .scroll-hint{display:block}

  /* comparison becomes stacked blocks, one per measure */
  .ctable{display:block}
  .ctable>div{display:none}
  .cblock{display:block;border:1px solid var(--line);border-radius:13px;padding:14px 16px;margin-bottom:10px;
    background:rgba(255,255,255,.6)}
  .cblock .cb-measure{font-weight:700;color:var(--ink);font-size:.95rem;margin-bottom:9px;display:block}
  .cblock dl{display:grid;grid-template-columns:1fr auto;gap:6px 12px;margin:0}
  .cblock dt{font-family:var(--mono);font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
    align-self:center}
  .cblock dd{margin:0;text-align:right;font-size:.86rem;color:var(--text)}
  .cblock dd.dd{color:var(--blue-deep);font-weight:700}

  .cta{padding:22px}
  .mini{max-width:none;margin-top:8px}
  .facts{grid-template-columns:1fr}
  .steps-list li{padding-left:0;padding-top:34px}
  .steps-list li::before{top:0}
  .foot{padding:34px 16px}
  footer .logo{height:52px}
  .flinks{gap:14px}
}

@media(max-width:380px){
  .mondrian{grid-template-columns:36fr 40fr 24fr}
  .p-red .v{font-size:1.6rem}
  .plane .v{font-size:.8rem}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .rise{opacity:1;transform:none}
}