/* DoubleEntry website. Colors follow the app icon: deep green, mint and a warm yellow. */
*{box-sizing:border-box}
:root{
  color-scheme:light dark;
  --bg:#F6FAF8;--surface:#FFFFFF;--surface-2:#EAF3EF;--text:#10201B;--body:#3B4D47;--muted:#5F716B;
  --rule:#D8E4DF;--brand:#00695C;--brand-strong:#00564B;--brand-ink:#FFFFFF;--mint:#A7F0DC;--mint-ink:#003D33;
  --sun:#F4C04E;--debit:#0B6B57;--credit:#A6452B;--warn-bg:#FFF1D0;--warn-ink:#5C4300;
  --hero-1:#0B7A66;--hero-2:#04473C;--phone:#16211E;--shadow:0 18px 40px -18px rgba(4,55,45,.45);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0E1513;--surface:#16201D;--surface-2:#1C2925;--text:#E3EEEA;--body:#B9C8C2;--muted:#8FA29B;
  --rule:#26332F;--brand:#5FD3B8;--brand-strong:#80E0C8;--brand-ink:#00382F;--mint:#1E4A40;--mint-ink:#BFF3E4;
  --debit:#6FD8BC;--credit:#F29C82;--warn-bg:#3A2F12;--warn-ink:#F6DFA4;--phone:#000;--shadow:0 18px 40px -18px rgba(0,0,0,.8);
}}
:root[data-theme="dark"]{
  --bg:#0E1513;--surface:#16201D;--surface-2:#1C2925;--text:#E3EEEA;--body:#B9C8C2;--muted:#8FA29B;
  --rule:#26332F;--brand:#5FD3B8;--brand-strong:#80E0C8;--brand-ink:#00382F;--mint:#1E4A40;--mint-ink:#BFF3E4;
  --debit:#6FD8BC;--credit:#F29C82;--warn-bg:#3A2F12;--warn-ink:#F6DFA4;--phone:#000;--shadow:0 18px 40px -18px rgba(0,0,0,.8);
}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01"}
a{color:var(--brand);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
img{max-width:100%;height:auto}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.num,td.n,th.n{font-variant-numeric:tabular-nums}

/* Header */
.site-header{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 28px;padding-top:14px;padding-bottom:14px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;font-size:19px;letter-spacing:-.01em}
.brand img{width:32px;height:32px;border-radius:8px}
.site-nav{display:flex;flex-wrap:wrap;gap:2px 22px;font-size:15px}
.site-nav a{color:var(--muted);text-decoration:none;padding:6px 0}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--text)}
.site-nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--brand)}

/* Type */
h1{font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.025em;margin:0 0 20px;font-weight:750}
h2{font-size:clamp(26px,3vw,36px);line-height:1.15;letter-spacing:-.02em;margin:0 0 16px;font-weight:700}
h3{font-size:20px;line-height:1.3;margin:0 0 8px;font-weight:650}
h4{font-size:16px;margin:0 0 6px;font-weight:650}
p{margin:0 0 16px}
.lead{font-size:clamp(18px,1.6vw,21px);color:var(--body);max-width:36em}
.eyebrow{font-size:13px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--brand);margin:0 0 12px}
.muted{color:var(--muted)}
.prose{max-width:44em}
.prose p,.prose li{color:var(--body)}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}
.prose li{margin:0 0 6px}
.prose h2{margin-top:56px}
.prose h3{margin-top:36px}
.prose > :first-child{margin-top:0}
strong{color:var(--text);font-weight:650}
code,kbd{font:500 .9em/1.4 'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--surface-2);border-radius:5px;padding:1px 5px}
pre{background:var(--surface-2);border:1px solid var(--rule);border-radius:12px;padding:16px 18px;overflow-x:auto;font:13.5px/1.6 'JetBrains Mono',ui-monospace,Menlo,monospace;margin:0 0 20px}
pre code{background:none;padding:0}
.ui{font-weight:600;color:var(--text);white-space:nowrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-primary:hover{background:var(--brand-strong)}
.btn-ghost{border-color:var(--rule);color:var(--text);background:var(--surface)}
.btn-ghost:hover{border-color:var(--brand)}
.btn[aria-disabled="true"]{cursor:default}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* Sections */
section{padding:88px 0}
section + section{border-top:1px solid var(--rule)}
.section-head{max-width:40em;margin-bottom:40px}
.alt{background:var(--surface)}

/* Hero */
.hero{padding:72px 0 64px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:48px;align-items:center}
.hero-phones{display:flex;justify-content:center;gap:18px;position:relative}
.hero-phones .phone:nth-child(2){margin-top:64px}
.badges{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:28px;color:var(--muted);font-size:15px}
.badges span::before{content:"✓";color:var(--brand);font-weight:700;margin-right:6px}

/* Phone frame */
.phone{margin:0;flex:0 0 auto;width:min(270px,100%)}
.phone img{display:block;width:100%;border-radius:26px;border:7px solid var(--phone);box-shadow:var(--shadow);background:var(--phone)}
.phone figcaption{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.45}
.phone.sm{width:min(220px,100%)}
.phone.crop img{border-radius:26px 26px 18px 18px}

/* Grids */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:18px;padding:24px}
.alt .card{background:var(--bg)}
.card p{color:var(--body);margin:0}
.card .icon{width:40px;height:40px;border-radius:12px;background:var(--mint);color:var(--mint-ink);display:grid;place-items:center;margin-bottom:14px}
.card .icon svg{width:22px;height:22px}
a.card{text-decoration:none;color:inherit;display:block;transition:border-color .15s,transform .15s}
a.card:hover{border-color:var(--brand);transform:translateY(-2px)}
a.card h3::after{content:" →";color:var(--brand)}

/* Split rows: text beside screenshots */
.split{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px 56px;align-items:start;margin:40px 0}
.split.rev{grid-template-columns:auto minmax(0,1fr)}
.split.rev > .shots{order:-1}
.shots{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
/* Fixed widths: a percentage would let the auto grid column grow to the image's natural width. */
.split .phone{width:260px}
.split .phone.sm{width:220px}
.gallery{display:flex;gap:22px;overflow-x:auto;padding:8px 4px 24px;scroll-snap-type:x mandatory}
.gallery .phone{scroll-snap-align:start;width:230px}

/* Steps */
.steps{counter-reset:step;list-style:none;padding:0;margin:0 0 24px}
.steps > li{counter-increment:step;position:relative;padding-left:52px;margin:0 0 22px}
.steps > li::before{content:counter(step);position:absolute;left:0;top:-1px;width:34px;height:34px;border-radius:50%;background:var(--brand);color:var(--brand-ink);font-weight:700;font-size:15px;display:grid;place-items:center}

/* Tables */
.table-wrap{overflow-x:auto;margin:0 0 24px;border:1px solid var(--rule);border-radius:14px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--rule);vertical-align:top}
tr:last-child td{border-bottom:0}
thead th{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:650;background:var(--surface-2)}
td.n,th.n{text-align:right;white-space:nowrap}
tfoot td{font-weight:650;border-top:2px solid var(--rule)}
.dr{color:var(--debit);font-weight:600}
.cr{color:var(--credit);font-weight:600}

/* Journal entry (voucher) */
.voucher{background:var(--surface);border:1px solid var(--rule);border-radius:16px;overflow:hidden;margin:0 0 24px}
.voucher header{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;background:var(--surface-2);font-weight:650}
.voucher header span{font-weight:400;color:var(--muted)}
.voucher table{font-size:15px}
.voucher td:first-child{width:100%}

/* T-accounts */
.taccounts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:0 0 24px}
.taccount{background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:12px 14px}
.taccount h4{text-align:center;border-bottom:2px solid var(--text);padding-bottom:6px;margin-bottom:0}
.taccount .cols{display:grid;grid-template-columns:1fr 1fr;font-size:14px;font-variant-numeric:tabular-nums}
.taccount .cols > div{padding:6px 8px;min-height:44px}
.taccount .cols > div:first-child{border-right:2px solid var(--text)}
.taccount .cols small{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.taccount .cols div:last-child{text-align:right}

/* Callouts */
.note{background:var(--surface-2);border-left:4px solid var(--brand);border-radius:0 12px 12px 0;padding:14px 18px;margin:0 0 24px;color:var(--body)}
.note.warn{background:var(--warn-bg);border-color:var(--sun);color:var(--warn-ink)}
.note p:last-child{margin:0}
.note strong{color:inherit}

/* Equation */
.equation{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 16px;font-size:clamp(20px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;padding:32px 20px;background:var(--surface);border:1px solid var(--rule);border-radius:20px;margin:0 0 28px;text-align:center}
.equation .op{color:var(--muted);font-weight:400}
.equation .pill{padding:6px 16px;border-radius:999px;background:var(--mint);color:var(--mint-ink)}
.equation .pill.l{background:color-mix(in srgb,var(--credit) 18%,transparent);color:var(--text)}
.equation .pill.e{background:color-mix(in srgb,var(--sun) 35%,transparent);color:var(--text)}

/* Guide layout */
.guide{display:grid;grid-template-columns:220px minmax(0,1fr);gap:56px;padding:56px 0 96px}
.guide .prose{max-width:none}
.guide .prose > p,.guide .prose > ul,.guide .prose > ol,.guide .prose > h2,.guide .prose > h3{max-width:44em}
/* Two or more phones beside the text squeeze it; show them in a row underneath instead. */
.guide .split:has(.phone + .phone){grid-template-columns:minmax(0,1fr);gap:24px}
.guide .split:has(.phone + .phone) > .shots{order:0;justify-content:flex-start}
.guide-nav{position:sticky;top:88px;align-self:start;font-size:15px}
.guide-nav p{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:650;margin:0 0 10px}
.guide-nav ol{list-style:none;margin:0 0 24px;padding:0;border-left:2px solid var(--rule)}
.guide-nav a{display:block;padding:6px 0 6px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none}
.guide-nav a:hover{color:var(--text)}
.guide-nav a[aria-current="page"]{color:var(--text);border-left-color:var(--brand);font-weight:600}
.page-head{margin-bottom:40px}
.page-head .lead{margin:0}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:64px;padding-top:28px;border-top:1px solid var(--rule)}
.pager a{text-decoration:none;display:flex;flex-direction:column;gap:2px;font-weight:600;font-size:17px}
.pager a small{color:var(--muted);font-weight:400;font-size:13px}
.pager a.next{text-align:right;margin-left:auto}
.toc{background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:16px 20px;margin:0 0 40px;font-size:15px}
.toc strong{display:block;margin-bottom:6px}
.toc ul{margin:0;padding-left:18px}

/* FAQ */

/* Pricing */
.plans{max-width:920px}
.plan{display:flex;flex-direction:column;padding:28px}
.plan.featured{border:2px solid var(--brand);padding:27px}
.plan-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px}
.plan-head h3{margin:0}
.tag{display:inline-block;background:var(--mint);color:var(--mint-ink);font-size:13px;font-weight:650;border-radius:999px;padding:3px 11px;white-space:nowrap}
.plan .price{font-size:40px;line-height:1.1;font-weight:750;letter-spacing:-.025em;color:var(--text);margin:18px 0 6px}
.plan .price small{display:inline-block;font-size:17px;font-weight:500;letter-spacing:0;color:var(--muted);white-space:nowrap}
.plan .price + p{color:var(--muted);font-size:15.5px}
.checks{list-style:none;padding:0;margin:22px 0 0;border-top:1px solid var(--rule);padding-top:20px}
.checks li{position:relative;padding-left:28px;margin:0 0 10px;color:var(--body)}
.checks li:last-child{margin-bottom:0}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}
.plans-note{max-width:920px;margin:24px 0 0;color:var(--muted);font-size:15.5px}
details{border-bottom:1px solid var(--rule);padding:18px 0}
details summary{cursor:pointer;font-weight:600;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
details summary::after{content:"+";color:var(--brand);font-size:24px;line-height:1}
details[open] summary::after{content:"−"}
details p{color:var(--body);margin:12px 0 0;max-width:44em}

/* CTA band */
.cta{background:linear-gradient(135deg,var(--hero-1),var(--hero-2));color:#fff;border-radius:28px;padding:56px 40px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 40px;align-items:center}
.cta h2{color:#fff}
.cta p{color:#D5F2EA;margin:0}
.cta .btn-primary{background:#fff;color:#00473D}

/* Footer */
.site-footer{border-top:1px solid var(--rule);padding:40px 0 48px;font-size:14.5px;color:var(--muted)}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:6px 22px}
.site-footer a{color:var(--muted)}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:minmax(0,1fr)}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide{grid-template-columns:minmax(0,1fr);gap:24px;padding-top:32px}
  .guide-nav{position:static;background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:14px 16px}
  .guide-nav ol{display:flex;flex-wrap:wrap;gap:4px 16px;border:0;margin:0}
  .guide-nav a{padding:4px 0;border:0;margin:0}
  .guide-nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--brand)}
  .split,.split.rev{grid-template-columns:minmax(0,1fr)}
  .split.rev > .shots{order:0}
  .cta{grid-template-columns:minmax(0,1fr);padding:40px 24px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  section{padding:64px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}
  .hero{padding:40px 0 48px}
  .hero-phones .phone{width:46%}
  .hero-phones .phone:nth-child(2){margin-top:40px}
  .shots .phone{width:calc(50% - 9px)}
  .shots .phone:only-child{width:min(280px,100%)}
  .site-header{position:static}
  .site-nav{gap:2px 16px;font-size:14.5px}
}