/*
Theme Name: aremath
Theme URI: https://aremath.app
Author: aremath
Description: Custom theme for aremath.app, a set of free measuring and material calculators. Design concept: the takeoff sheet.
Version: 1.0.0
Requires at least: 6.3
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aremath
*/

/* ---------- Fonts (self-hosted, SIL Open Font License) ---------- */
@font-face{font-family:"Bricolage Grotesque";src:url(assets/fonts/bricolage-grotesque.woff2) format("woff2");font-weight:400 800;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(assets/fonts/instrument-sans.woff2) format("woff2");font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(assets/fonts/jetbrains-mono.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --paper:#F3F4EE;--paper-2:#E8EAE0;--surface:#FCFCF9;
  --ink:#131816;--ink-2:#454C47;--ink-3:#626A64;--line:#D3D6CA;
  --hivis:#D4F23A;--hivis-deep:#B7D61B;
  --spruce:#10221B;--spruce-line:#27433A;--on-spruce:#EEF2E6;--on-spruce-2:#A3B6AA;
  --danger:#A62B1F;--grid:rgba(19,24,22,.055);
  --f-display:"Bricolage Grotesque","Arial Narrow",Arial,sans-serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r1:3px;--r2:6px;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:1rem}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.6 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{max-width:100%}
h1,h2,h3{font-family:var(--f-display);margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
button,input,select{font:inherit;color:inherit}
::selection{background:var(--hivis);color:var(--ink)}
:focus{outline:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 5px var(--hivis)}
.wrap{width:min(100% - 2.5rem,72.5rem);margin-inline:auto}
.skip{position:absolute;left:1rem;top:-4rem;background:var(--ink);color:var(--paper);padding:.6rem .9rem;border-radius:var(--r1);z-index:50;text-decoration:none}
.skip:focus{top:.6rem}
.g-acc{fill:var(--hivis)}
.mono{font:400 .78rem/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase}
.hl{background:linear-gradient(transparent 56%,var(--hivis) 56% 93%,transparent 93%);padding-inline:.06em}

/* dimension-line label */
.dim{display:flex;align-items:center;gap:.9rem;font:400 .78rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin:0 0 1.4rem}
.dim::before,.dim::after{content:"";height:9px;border-inline:1px solid var(--ink);background:linear-gradient(var(--ink),var(--ink)) center/100% 1px no-repeat}
.dim::before{width:1.75rem;flex:none}
.dim::after{flex:1}

/* ruler ticks */
.ticks,.am-result::before{--tick:var(--hivis);background:
  repeating-linear-gradient(90deg,var(--tick) 0 1px,transparent 1px 40px) 0 0/100% 11px no-repeat,
  repeating-linear-gradient(90deg,var(--tick) 0 1px,transparent 1px 8px) 0 0/100% 6px no-repeat}
.ticks{height:11px}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;min-height:48px;padding:.7rem 1.15rem;border:1.5px solid var(--ink);border-radius:var(--r1);font:600 1rem/1.1 var(--f-body);text-decoration:none;color:var(--ink);background:transparent;cursor:pointer;transition:background-color .16s ease,color .16s ease}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--hivis);color:var(--ink)}
.btn-ghost:hover{background:var(--hivis)}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:20;background:var(--paper);border-bottom:1px solid var(--ink)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink);text-decoration:none;font:800 1.4rem/1 var(--f-display);letter-spacing:-.025em}
.logo-word span{font-weight:400}
.logo-mark{flex:none}
.nav{display:flex;align-items:center;gap:.15rem}
.nav a.nav-link,.nav summary{display:inline-flex;align-items:center;gap:.45rem;min-height:44px;padding:.5rem .8rem;font:400 .78rem/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--ink);border-radius:var(--r1);cursor:pointer;transition:background-color .16s ease}
.nav a.nav-link:hover,.nav summary:hover{background:var(--hivis)}
.nav summary{list-style:none;user-select:none}
.nav summary::-webkit-details-marker{display:none}
.nav summary::after{content:"";width:.5rem;height:.5rem;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .18s ease}
.nav details[open] summary{background:var(--ink);color:var(--paper)}
.nav details[open] summary::after{transform:translateY(2px) rotate(-135deg)}
.nav-panel{position:absolute;left:0;right:0;top:100%;background:var(--surface);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);padding:1.5rem 0 1.75rem;box-shadow:0 24px 40px -28px rgba(16,34,27,.45)}
.nav-cols{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 3rem}
.nav-list{list-style:none;margin:0;padding:0}
.nav-list a{display:flex;align-items:center;gap:.8rem;padding:.5rem .5rem;margin-inline:-.5rem;text-decoration:none;border-radius:var(--r1);font:600 1.05rem/1.2 var(--f-body);transition:background-color .16s ease}
.nav-list a:hover,.nav-list a[aria-current]{background:var(--hivis)}
.nav-list .glyph{width:30px;height:30px;flex:none}
.nav-list small{display:block;font:400 .72rem/1.3 var(--f-mono);color:var(--ink-3);letter-spacing:.02em;margin-top:.15rem}
.nav-list a:hover small,.nav-list a[aria-current] small{color:var(--ink)}
.nav-extra{display:none}

/* ---------- Home ---------- */
.hero{border-bottom:1px solid var(--ink);background-color:var(--paper);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;background-position:center top}
.hero-in{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:center;padding-block:clamp(2.5rem,6vw,5rem)}
.eyebrow{font:400 .78rem/1.3 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.eyebrow::before{content:"";display:inline-block;width:1.75rem;height:9px;margin-right:.7rem;border-inline:1px solid var(--ink);background:linear-gradient(var(--ink),var(--ink)) center/100% 1px no-repeat;vertical-align:-1px}
.hero h1{font-weight:800;font-size:clamp(2.6rem,6.4vw,4.9rem);line-height:.94;letter-spacing:-.04em;margin:.45em 0 .4em}
.hero p.lead{font-size:clamp(1.08rem,1.6vw,1.25rem);line-height:1.5;color:var(--ink-2);max-width:33rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}
.plan{display:block;width:100%;height:auto}
.plan-fill path{fill:var(--surface)}
.plan-mark rect{fill:var(--hivis)}
.plan-hatch{stroke:rgba(19,24,22,.3)}
.plan-wall,.plan-thin,.plan-dim{stroke:var(--ink)}
.plan-label text{font:400 13px var(--f-mono);fill:var(--ink)}
.plan-tag{font:700 20px var(--f-display);fill:var(--ink)}
.plan-sub{font:400 12px var(--f-mono);fill:var(--ink-2)}
.plan-total rect{fill:var(--ink)}
.plan-num{font:800 44px var(--f-display);letter-spacing:-1.5px;fill:var(--paper)}
.plan-unit{font:400 14px var(--f-mono);fill:var(--hivis)}

.section{padding-block:clamp(2.75rem,6vw,4.75rem)}
.section-band{background:var(--paper-2);border-block:1px solid var(--ink)}
.section h2.title{font-weight:800;font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.02;letter-spacing:-.03em;margin-bottom:.4em}
.section .prose{max-width:68ch}
.section .intro{color:var(--ink-2);max-width:40rem;margin-bottom:2rem}
.two{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem 3.5rem}
.group-title{font:700 1.15rem/1.2 var(--f-display);letter-spacing:-.01em;margin:0 0 .7rem;display:flex;justify-content:space-between;align-items:baseline}
.group-title span{font:400 .72rem var(--f-mono);letter-spacing:.08em;color:var(--ink-3)}

.ledger{list-style:none;margin:0;padding:0;border-top:1.5px solid var(--ink)}
.ledger li{border-bottom:1px solid var(--line)}
.ledger a{display:grid;grid-template-columns:44px minmax(0,1fr) 1.25rem;align-items:center;gap:.9rem 1.1rem;padding:.95rem .6rem;color:inherit;text-decoration:none;background:linear-gradient(var(--hivis),var(--hivis)) left/0 100% no-repeat;transition:background-size .22s cubic-bezier(.3,.7,.2,1)}
.ledger a:hover,.ledger a:focus-visible{background-size:100% 100%}
.ledger .glyph{width:44px;height:44px}
.ledger .n{display:block;font:700 1.22rem/1.15 var(--f-display);letter-spacing:-.015em}
.ledger .d{display:block;color:var(--ink-2);font-size:.94rem;line-height:1.4;margin-top:.2rem}
.ledger .u{display:block;font:400 .7rem/1.3 var(--f-mono);letter-spacing:.03em;color:var(--ink-3);margin-top:.35rem}
.ledger a:hover .d,.ledger a:hover .u,.ledger a:focus-visible .d,.ledger a:focus-visible .u{color:var(--ink)}
.ledger .arrow{font:400 1.1rem/1 var(--f-mono);transition:transform .2s ease}
.ledger a:hover .arrow{transform:translateX(4px)}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem 2.5rem;counter-reset:s}
.steps li{counter-increment:s;border-top:1.5px solid var(--ink);padding-top:1rem}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font:400 .78rem var(--f-mono);letter-spacing:.1em;color:var(--ink-3);margin-bottom:.9rem}
.steps h3{font-weight:700;font-size:1.3rem;line-height:1.15;letter-spacing:-.015em;margin-bottom:.45rem}
.steps p{color:var(--ink-2);font-size:.98rem}

/* ---------- Calculator page ---------- */
.calc-head{padding-block:clamp(1.4rem,3.5vw,2.75rem) clamp(1.1rem,2.5vw,1.75rem)}
.crumbs{display:flex;flex-wrap:wrap;gap:.5rem;font:400 .72rem/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:1.1rem}
.crumbs a{text-decoration:none;color:var(--ink-2)}
.crumbs a:hover{background:var(--hivis);color:var(--ink)}
.calc-title{display:flex;align-items:center;gap:1rem}
.calc-title .glyph{width:clamp(44px,7vw,60px);height:auto;flex:none}
.calc-title h1,.page-head h1{font-weight:800;font-size:clamp(2rem,5.2vw,3.5rem);line-height:.98;letter-spacing:-.035em}
.lede{font-size:clamp(1.05rem,1.5vw,1.2rem);line-height:1.5;color:var(--ink-2);max-width:46rem;margin-top:.9rem}

.am-wrap{color:var(--ink)}
.am-card{display:grid;grid-template-columns:minmax(0,1fr);background:var(--surface);border:1.5px solid var(--ink);border-radius:var(--r2);overflow:clip}
.am-card>*{padding-inline:clamp(1rem,3vw,1.75rem);min-width:0}
.am-card>:first-child{padding-top:clamp(1.1rem,3vw,1.6rem)}
.am-row{display:flex;flex-wrap:wrap;gap:.9rem 1rem;padding-bottom:1rem}
.am-field{flex:1 1 150px;min-width:0;display:flex;flex-direction:column;justify-content:flex-end}
.am-field label{display:block;font:400 .7rem/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.4rem}
.am-field input,.am-field select{display:block;width:100%;min-height:48px;padding:.55rem .8rem;border:1px solid var(--ink);border-radius:var(--r1);background:#fff;color:var(--ink);font:500 1.0625rem/1.2 var(--f-body);font-variant-numeric:tabular-nums;transition:box-shadow .14s ease}
.am-field select{appearance:none;-webkit-appearance:none;padding-right:2.2rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23131816' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .8rem center}
.am-field input::placeholder{color:#9AA19B}
.am-field input:hover,.am-field select:hover{box-shadow:0 0 0 2px var(--line)}
.am-field input:focus-visible,.am-field select:focus-visible{outline:2px solid var(--ink);outline-offset:0;box-shadow:0 0 0 5px var(--hivis)}
.am-sec{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr auto;gap:.6rem .7rem;align-items:end;margin-bottom:.7rem;padding:.75rem;border:1px solid var(--line);border-radius:var(--r1);background:var(--paper)}
.am-sec .am-field{flex:none}
#am-sf-secs,#am-cy-secs{padding-bottom:.3rem}
.am-actions{display:flex;flex-wrap:wrap;gap:.6rem;padding-bottom:1.25rem}
.am-btn{min-height:44px;padding:.55rem .9rem;border:1px solid var(--ink);border-radius:var(--r1);background:transparent;color:var(--ink);font:400 .74rem/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background-color .16s ease}
.am-btn:hover{background:var(--hivis)}
.am-btn.x{width:48px;min-height:48px;padding:0;font-size:1.2rem;letter-spacing:0;color:var(--danger)}
.am-btn.x:hover{background:var(--danger);color:#fff;border-color:var(--danger)}
.am-card>.am-note{font-size:.875rem;line-height:1.45;color:var(--ink-3);padding-block:1rem 1.2rem}

.am-result{position:relative;background:var(--spruce);color:var(--on-spruce);padding-block:1.9rem 1.5rem}
.am-result::before{content:"";position:absolute;inset:0 0 auto 0;height:11px}
.am-result::after{content:"Result";display:block;order:-1;position:absolute;top:1.05rem;right:clamp(1rem,3vw,1.75rem);font:400 .68rem/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--on-spruce-2)}
.am-big{font:800 clamp(2.5rem,8vw,3.7rem)/1 var(--f-display);letter-spacing:-.035em;font-variant-numeric:tabular-nums;margin-top:.35rem;overflow-wrap:anywhere}
.am-big small{display:inline-block;margin-left:.3rem;font:400 .92rem/1 var(--f-mono);letter-spacing:.04em;color:var(--hivis)}
.am-result .am-note{font-size:.9rem;line-height:1.45;color:var(--on-spruce-2);margin-top:.55rem;min-height:0}
.am-result .am-note:empty{display:none}
.am-result .am-warn{color:#FFB3A6;font-weight:500}
.am-grid{margin-top:1.1rem;border-top:1px solid var(--spruce-line);padding-top:.5rem}
.am-stat{display:flex;flex-direction:row-reverse;align-items:baseline;gap:.6rem;padding:.42rem 0}
.am-stat b{font:600 1.08rem/1.2 var(--f-body);font-variant-numeric:tabular-nums;white-space:nowrap}
.am-stat span{flex:1;display:flex;align-items:baseline;gap:.6rem;font-size:.92rem;line-height:1.3;color:var(--on-spruce-2);min-width:0}
.am-stat span::after{content:"";flex:1;min-width:1rem;border-bottom:1px dotted rgba(163,182,170,.6);transform:translateY(-.25em)}
.copy{margin-top:1.1rem;min-height:44px;padding:.5rem .9rem;border:1px solid var(--spruce-line);border-radius:var(--r1);background:transparent;color:var(--on-spruce);font:400 .72rem/1 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:background-color .16s ease,color .16s ease}
.copy:hover,.copy.done{background:var(--hivis);color:var(--ink);border-color:var(--hivis)}

/* result dock: on small screens, keeps the answer in view while typing */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;display:none;align-items:baseline;justify-content:space-between;gap:1rem;width:100%;border:0;margin:0;padding:1.05rem 1.1rem calc(.7rem + env(safe-area-inset-bottom));background:var(--spruce);color:var(--on-spruce);text-align:left;cursor:pointer;--tick:var(--hivis);background-image:repeating-linear-gradient(90deg,var(--tick) 0 1px,transparent 1px 40px),repeating-linear-gradient(90deg,var(--tick) 0 1px,transparent 1px 8px);background-size:100% 9px,100% 5px;background-repeat:no-repeat;box-shadow:0 -12px 28px -18px rgba(16,34,27,.7)}
.dock-val{font:800 1.55rem/1 var(--f-display);letter-spacing:-.03em;font-variant-numeric:tabular-nums;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.dock-val small{margin-left:.3rem;font:400 .78rem/1 var(--f-mono);letter-spacing:.04em;color:var(--hivis)}
.dock-more{flex:none;font:400 .68rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--on-spruce-2)}

/* ---------- Article ---------- */
.article{display:grid;grid-template-columns:minmax(0,68ch) minmax(0,1fr);gap:2.5rem clamp(2rem,5vw,4.5rem);padding-block:clamp(2rem,5vw,3.5rem) clamp(3rem,7vw,5rem);align-items:start}
.prose{counter-reset:h2;min-width:0}
.prose>*+*{margin-top:1.05em}
.prose h2{font-weight:700;font-size:clamp(1.5rem,3.1vw,2rem);line-height:1.08;letter-spacing:-.025em;margin-top:2.4em;padding-top:1.05rem;border-top:1px solid var(--ink)}
.prose h2::before{counter-increment:h2;content:counter(h2,decimal-leading-zero);display:block;font:400 .74rem/1 var(--f-mono);letter-spacing:.1em;color:var(--ink-3);margin-bottom:.7rem}
.prose>h2:first-child{margin-top:0}
.prose h3{font-weight:700;font-size:1.22rem;line-height:1.2;letter-spacing:-.01em;margin-top:1.8em}
.prose h2+*,.prose h3+*{margin-top:.7em}
.prose a{text-decoration:underline;text-decoration-skip-ink:none;text-decoration-color:var(--hivis-deep);text-decoration-thickness:.16em;text-underline-offset:.2em;transition:background-color .16s ease}
.prose a:hover{background:var(--hivis)}
.prose ul,.prose ol{padding-left:1.3rem;margin-bottom:0}
.prose li+li{margin-top:.45em}
.prose ol>li::marker{font:400 .85em var(--f-mono);color:var(--ink-3)}
.prose ul>li::marker{color:var(--ink)}
.prose strong{font-weight:600}
.prose figure{margin-inline:0;overflow-x:auto}
.prose table{width:100%;border-collapse:collapse;font-size:.97rem;font-variant-numeric:tabular-nums}
.prose th{font:400 .7rem/1.3 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;text-align:left;vertical-align:bottom;color:var(--ink-2);border-bottom:1.5px solid var(--ink);padding:.55rem .9rem .55rem 0}
.prose td{padding:.6rem .9rem .6rem 0;border-bottom:1px solid var(--line);vertical-align:top}
.prose tr:hover td{background:rgba(212,242,58,.28)}
.prose th:last-child,.prose td:last-child{padding-right:0}
.prose .formula{font:400 .98rem/1.5 var(--f-mono);background:var(--surface);border:1px solid var(--ink);border-left:7px solid var(--hivis);border-radius:var(--r1);padding:.9rem 1.1rem}
.prose .example{background:var(--paper-2);border-radius:var(--r1);padding:1rem 1.15rem}
.prose .example strong:first-child{font:400 .72rem var(--f-mono);letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:.35rem;color:var(--ink-2)}
.prose .fine{font-size:.9rem;color:var(--ink-3)}

.faq{margin-top:2.4em}
.faq details{border-bottom:1px solid var(--line)}
.faq details:first-of-type{border-top:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:baseline;gap:1.25rem;padding:1rem 0;cursor:pointer;list-style:none;font:600 1.06rem/1.35 var(--f-body)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;font:400 1.35rem/1 var(--f-mono);color:var(--ink-2)}
.faq details[open] summary::after{content:"\2013"}
.faq summary:hover{background:linear-gradient(transparent 62%,var(--hivis) 62% 96%,transparent 96%)}
.faq .a{padding:0 2.5rem 1.15rem 0;color:var(--ink-2)}

.aside{position:sticky;top:1.25rem;display:grid;gap:1.25rem}
.box{border:1px solid var(--ink);border-radius:var(--r2);background:var(--surface);padding:1.1rem 1.2rem 1.2rem}
.box h2{font:400 .72rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.8rem}
.box ul{list-style:none;margin:0;padding:0}
.box li+li{border-top:1px solid var(--line)}
.box li a{display:flex;align-items:center;gap:.7rem;padding:.6rem .4rem;margin-inline:-.4rem;text-decoration:none;font-weight:600;border-radius:var(--r1);transition:background-color .16s ease}
.box li a:hover{background:var(--hivis)}
.box .glyph{width:28px;height:28px;flex:none}
.box p{font-size:.9rem;line-height:1.5;color:var(--ink-2)}
.box p+p{margin-top:.6rem}

/* ---------- Plain pages ---------- */
.page-head{padding-block:clamp(1.75rem,4vw,3rem) 0}
.page-body{padding-block:clamp(1.5rem,3vw,2.25rem) clamp(3rem,7vw,5rem)}
.page-body .prose{max-width:68ch}

/* ---------- Footer ---------- */
.site-footer{background:var(--spruce);color:var(--on-spruce)}
.foot{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1.6fr) minmax(0,.8fr);gap:2.5rem 3rem;padding-block:3rem 2.25rem}
.site-footer .logo{color:var(--on-spruce)}
.foot-brand p{color:var(--on-spruce-2);font-size:.95rem;max-width:26rem;margin-top:.9rem}
.foot h2{font:400 .72rem/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--on-spruce-2);margin-bottom:.9rem}
.foot ul{list-style:none;margin:0;padding:0}
.foot .cols-2{columns:2;column-gap:2rem}
.foot li{break-inside:avoid}
.foot li a{display:inline-block;padding:.32rem 0;text-decoration:none;color:var(--on-spruce);background:linear-gradient(var(--hivis),var(--hivis)) left bottom/0 2px no-repeat;transition:background-size .2s ease}
.foot li a:hover{background-size:100% 2px}
.foot-base{border-top:1px solid var(--spruce-line);padding-block:1.1rem 1.4rem;font:400 .72rem/1.5 var(--f-mono);letter-spacing:.03em;color:var(--on-spruce-2)}
.site-footer :focus-visible{outline-color:var(--hivis);box-shadow:none}

/* ---------- Responsive ---------- */
@media (min-width:60rem){
  .am-card{grid-template-columns:minmax(0,1fr) minmax(320px,26rem)}
  .am-card>*{grid-column:1}
  .am-card>.am-result{grid-column:2;grid-row:1/span 14;border-left:1.5px solid var(--ink);padding-top:2.3rem}
  .am-result::after{top:1.25rem}
}
@media (max-width:59.99rem){
  .dock:not([hidden]){display:flex}
  .article{grid-template-columns:minmax(0,1fr)}
  .aside{position:static;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}
  .hero-in{grid-template-columns:minmax(0,1fr)}
  .hero-art{max-width:30rem}
  .two{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:minmax(0,1fr);gap:1.5rem}
  .foot{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:40rem){
  .wrap{width:min(100% - 2rem,72.5rem)}
  .nav a.nav-link{display:none}
  .nav-cols{grid-template-columns:minmax(0,1fr);gap:1rem}
  .nav-extra{display:flex;gap:.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--line)}
  .nav-extra a{flex:1;justify-content:center;border:1px solid var(--ink)}
  .nav .nav-extra a.nav-link{display:inline-flex}
  .am-field select{font-size:1rem;padding-left:.65rem;padding-right:1.9rem;background-position:right .65rem center}
  .am-sec{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .am-sec .am-del{grid-column:1/-1}
  .am-btn.x{width:100%}
  .foot{grid-template-columns:minmax(0,1fr)}
  .foot .cols-2{columns:2}
  .faq .a{padding-right:0}
  .hero-actions .btn{flex:1 1 auto;justify-content:space-between}
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
  .plan-wall path{stroke-dasharray:1;animation:draw 1.5s .15s cubic-bezier(.65,0,.2,1) both}
  .plan-dim,.plan-label,.plan-thin{animation:rise .6s 1.15s ease both}
  .plan-mark,.plan-hatch{animation:rise .5s .95s ease both}
  .plan-total{animation:rise .5s 1.45s ease both}
  .plan-room{animation:rise .5s 1.3s ease both}
  @keyframes draw{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
  @keyframes rise{from{opacity:0}to{opacity:1}}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}
@media print{
  .site-header,.site-footer,.aside,.copy,.am-actions{display:none}
  body{background:#fff}
  .am-result{color:#000;background:#fff;border-top:1.5px solid #000}
  .am-big small,.am-stat span{color:#000}
}