/* googlesheetsexpert.com — design system
   Type: IBM Plex Serif (display) / IBM Plex Sans (body) / IBM Plex Mono (data)
   Self-hosted latin subsets, woff2 only. */

@font-face{font-family:"Plex Sans";src:url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("/fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Serif";src:url("/fonts/ibm-plex-serif-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Serif";src:url("/fonts/ibm-plex-serif-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("/fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}

:root{
  --ground:#F7F9F8; --surface:#FFFFFF; --surface-2:#EEF3F0; --surface-3:#E3EBE6;
  --ink:#0F1A16; --ink-2:#33443C; --muted:#61756B; --line:#D9E2DC; --line-2:#C4D1C9;
  --accent:#0B6B45; --accent-hover:#095737; --accent-ink:#FFFFFF; --accent-soft:#E3F1EA;
  --signal:#8A5A11; --signal-soft:#F8F0DF;
  --serif:"Plex Serif",Georgia,"Times New Roman",serif;
  --sans:"Plex Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --max:1140px; --pad:24px; --radius:4px;
  --shadow:0 1px 2px rgba(15,26,22,.05), 0 8px 24px -12px rgba(15,26,22,.12);
}
@media (prefers-color-scheme: dark){
  :root{
    --ground:#0C110F; --surface:#131A17; --surface-2:#1A2320; --surface-3:#222D28;
    --ink:#E8EFEA; --ink-2:#C0CDC5; --muted:#8C9C93; --line:#26302B; --line-2:#33413A;
    --accent:#54C48C; --accent-hover:#6FD5A1; --accent-ink:#08130D; --accent-soft:#12251C;
    --signal:#D9A441; --signal-soft:#2A2316;
    --shadow:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
  }
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:2px}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

.shell{width:100%;max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:99;background:var(--surface);padding:10px 14px;border:1px solid var(--line);border-radius:var(--radius)}

/* ---------- header ---------- */
/* Sticky only where it does not eat a phone viewport. */
.site-head{border-bottom:1px solid var(--line);background:var(--surface);z-index:40}
@media(min-width:760px){.site-head{position:sticky;top:0}}
.site-head .shell{display:flex;align-items:center;gap:14px 20px;min-height:66px;flex-wrap:wrap;
  padding-block:12px}
@media(min-width:760px){.site-head .shell{padding-block:0}}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--serif);font-weight:600;
  font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-.01em;margin-right:auto}
.brand .mark{width:22px;height:22px;flex:0 0 22px;border:1.5px solid var(--accent);border-radius:2px;
  background:
    linear-gradient(var(--accent),var(--accent)) 0 7px/100% 1.5px no-repeat,
    linear-gradient(var(--accent),var(--accent)) 0 14px/100% 1.5px no-repeat,
    linear-gradient(var(--accent),var(--accent)) 7px 0/1.5px 100% no-repeat}
.site-nav{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.site-nav a{color:var(--ink-2);text-decoration:none;font-size:15px;font-weight:500}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--accent)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--sans);font-size:15px;font-weight:600;line-height:1.25;
  padding:12px 20px;border-radius:var(--radius);text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:background-color .15s ease,border-color .15s ease}
.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--accent-ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:8px 14px;font-size:14px}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.014em;line-height:1.14;margin:0;text-wrap:balance}
h1{font-size:clamp(33px,4.6vw,48px)}
h2{font-size:clamp(25px,3vw,32px);line-height:1.18}
h3{font-size:20px;line-height:1.25}
h4{font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:0}
p{margin:0;max-width:70ch}
.lede{font-family:var(--serif);font-size:clamp(19px,2.1vw,22px);line-height:1.45;color:var(--ink-2);max-width:60ch}
.eyebrow{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin:0}
.prose{display:grid;gap:18px}
.prose p{color:var(--ink-2)}
ul,ol{margin:0;padding-left:22px}
.list{display:grid;gap:9px;padding-left:20px;max-width:68ch}
.list li{color:var(--ink-2)}
.list li::marker{color:var(--accent)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- sections ---------- */
main{display:block}
.section{padding-block:clamp(44px,6vw,76px);border-top:1px solid var(--line)}
.section:first-child{border-top:0}
.section-head{display:grid;gap:12px;margin-bottom:30px;max-width:70ch}

/* ---------- hero ---------- */
.hero{padding-block:clamp(52px,7vw,92px);background:var(--surface);border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 88% 8%,#000,transparent 72%);
  mask-image:radial-gradient(ellipse 70% 80% at 88% 8%,#000,transparent 72%)}
.hero .shell{position:relative}
.hero-grid{display:grid;gap:26px;max-width:44rem}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.hero-note{font-size:14px;color:var(--muted);font-family:var(--mono)}

/* ---------- cards / grids ---------- */
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media(min-width:680px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:grid;gap:10px;align-content:start;text-decoration:none;color:inherit}
a.card:hover{border-color:var(--accent);color:inherit}
.card h3{font-size:19px}
.card p{font-size:15.5px;color:var(--ink-2)}
.card .price{font-family:var(--mono);font-size:13px;color:var(--accent);
  border-top:1px solid var(--line);padding-top:10px;margin-top:2px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.card .price span:last-child{color:var(--muted)}

/* plain feature block — deliberately not a card */
.points{display:grid;gap:26px}
@media(min-width:820px){.points{grid-template-columns:repeat(3,1fr);gap:34px}}
.point{display:grid;gap:8px;border-top:2px solid var(--accent);padding-top:14px}
.point h3{font-family:var(--sans);font-size:16.5px;font-weight:600;letter-spacing:0}
.point p{font-size:15.5px;color:var(--ink-2)}

/* numbered process — order carries meaning here */
.steps{display:grid;gap:0;counter-reset:step;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);overflow:hidden}
.step{display:grid;gap:6px;padding:20px 22px;border-bottom:1px solid var(--line);counter-increment:step}
.step:last-child{border-bottom:0}
@media(min-width:700px){.step{grid-template-columns:auto 1fr;gap:20px;align-items:baseline}}
.step::before{content:counter(step,decimal-leading-zero);font-family:var(--mono);font-size:12px;
  color:var(--accent);letter-spacing:.08em}
.step .step-b{display:grid;gap:5px}
.step h3{font-family:var(--sans);font-size:16px;font-weight:600;letter-spacing:0}
.step p{font-size:15.5px;color:var(--ink-2)}

/* ---------- service page layout ---------- */
.svc{display:grid;gap:38px;padding-block:clamp(34px,4.5vw,56px)}
@media(min-width:1000px){.svc{grid-template-columns:minmax(0,1fr) 314px;gap:52px;align-items:start}}
.svc-main{display:grid;gap:34px;min-width:0}
.svc-block{display:grid;gap:14px}
.svc-block h2{font-size:25px}
.quote-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:grid;gap:14px;box-shadow:var(--shadow)}
@media(min-width:1000px){.quote-card{position:sticky;top:88px}}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.quote-card .amount{font-family:var(--serif);font-size:34px;font-weight:600;line-height:1;color:var(--ink)}
.quote-card .amount small{font-family:var(--mono);font-size:12px;font-weight:400;color:var(--muted);
  display:block;letter-spacing:.1em;text-transform:uppercase;margin-bottom:7px}
.quote-card .row{display:flex;justify-content:space-between;gap:12px;font-size:14px;
  border-top:1px solid var(--line);padding-top:10px}
.quote-card .row dt{color:var(--muted)}
.quote-card .row dd{margin:0;font-family:var(--mono);font-variant-numeric:tabular-nums;text-align:right}
.quote-card .fine{font-size:13.5px;color:var(--muted);line-height:1.5}
.quote-card dl{margin:0;display:grid;gap:10px}

/* ---------- faq ---------- */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:16px 34px 16px 0;font-weight:600;font-size:16.5px;
  list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:14px;font-family:var(--mono);
  font-size:19px;color:var(--accent);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 0 18px;color:var(--ink-2);font-size:16px;max-width:70ch}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:15px;min-width:520px}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
th:last-child,td:last-child{border-right:0}
tbody tr:last-child td{border-bottom:0}
thead th{background:var(--surface-2);font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
td.num,th.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- form ---------- */
.form{display:grid;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.field{display:grid;gap:6px}
.field label{font-size:14px;font-weight:600}
.field .hint{font-size:13px;color:var(--muted)}
.field input,.field select,.field textarea{font-family:var(--sans);font-size:16px;color:var(--ink);
  background:var(--ground);border:1px solid var(--line-2);border-radius:var(--radius);padding:11px 12px;width:100%}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.form-row{display:grid;gap:16px}
@media(min-width:620px){.form-row{grid-template-columns:1fr 1fr}}
.form-status{font-size:15px;padding:12px 14px;border-radius:var(--radius);display:none}
.form-status.ok{display:block;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent)}
.form-status.err{display:block;background:var(--signal-soft);color:var(--signal);border:1px solid var(--signal)}
.hp{position:absolute;left:-9999px}

/* ---------- misc ---------- */
.callout{background:var(--surface-2);border-left:3px solid var(--accent);border-radius:2px;
  padding:16px 18px;display:grid;gap:7px}
.callout p{font-size:15.5px;color:var(--ink-2)}
.draft{background:var(--signal-soft);border:1px dashed var(--signal);color:var(--signal);
  padding:12px 16px;border-radius:var(--radius);font-size:14px;font-family:var(--mono);margin-bottom:20px}
.crumbs{font-size:13.5px;color:var(--muted);padding-top:20px;font-family:var(--mono)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{font-family:var(--mono);font-size:12px;letter-spacing:.05em;background:var(--surface-2);
  color:var(--ink-2);border:1px solid var(--line);border-radius:999px;padding:4px 11px;text-decoration:none}
a.tag:hover{border-color:var(--accent);color:var(--accent)}
.metric{font-family:var(--serif);font-size:30px;font-weight:600;color:var(--accent);line-height:1}

.cta-band{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(24px,4vw,38px);display:grid;gap:16px;justify-items:start}
.cta-band h2{font-size:clamp(23px,2.6vw,29px)}
.cta-band p{color:var(--ink-2)}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--surface);margin-top:clamp(48px,7vw,84px);
  padding-block:38px 30px}
.foot-grid{display:grid;gap:28px}
@media(min-width:760px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr}}
.foot-col{display:grid;gap:9px;align-content:start}
.foot-col h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);font-weight:500}
.foot-col a{color:var(--ink-2);text-decoration:none;font-size:15px}
.foot-col a:hover{color:var(--accent)}
.foot-col p{font-size:15px;color:var(--ink-2)}
.foot-legal{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;display:flex;
  flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:var(--muted)}
.foot-legal p{font-size:13px;color:var(--muted);max-width:64ch}