@font-face{font-family:'Fraunces';font-style:normal;font-weight:600 900;font-display:swap;src:url('../fonts/fraunces-variable-latin.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400 600;font-display:swap;src:url('../fonts/ibmplexsans-variable-latin.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibmplexmono-400-latin.woff2') format('woff2');}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibmplexmono-500-latin.woff2') format('woff2');}

:root{
  --bg:#DFE5EA;
  --surface:#D2DAE0;
  --surface-2:#C4CED6;
  --ink:#181F26;
  --ink-soft:#4B5862;
  --silver:#8792A0;
  --hairline:#AFBDC7;
  --verdigris:#33473C;
  --verdigris-bright:#7C9686;
  --verdigris-mid:#4F6B5C;
  --on-verdigris:#F4EFE3;
  --error:#9A4A3E;
  --on-error:#F4EFE3;
  --paper:#EDF1F4;

  --font-display:'Fraunces', ui-serif, Georgia, serif;
  --font-body:'IBM Plex Sans', ui-sans-serif, system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;

  --radius:10px;
  --shadow:0 1px 0 rgba(24,31,38,0.07);
  --section-padding:96px;
  --container-width:1120px;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F141C; --surface:#171E28; --surface-2:#1F2833;
    --ink:#E3E9EE; --ink-soft:#95A3B0; --silver:#8A9BAB; --hairline:#293544;
    --verdigris:#AEC9BC; --verdigris-bright:#DCEBE3; --verdigris-mid:#7FA292;
    --on-verdigris:#141613; --error:#E2998A; --on-error:#1A1210;
    --paper:#2E3846;
    --shadow:0 1px 0 rgba(0,0,0,0.3);
  }
}
:root[data-theme="dark"]{
  --bg:#0F141C; --surface:#171E28; --surface-2:#1F2833;
  --ink:#E3E9EE; --ink-soft:#95A3B0; --silver:#8A9BAB; --hairline:#293544;
  --verdigris:#AEC9BC; --verdigris-bright:#DCEBE3; --verdigris-mid:#7FA292;
  --on-verdigris:#141613; --error:#E2998A; --on-error:#1A1210;
  --paper:#2E3846;
  --shadow:0 1px 0 rgba(0,0,0,0.3);
}
:root[data-theme="light"]{
  --bg:#DFE5EA; --surface:#D2DAE0; --surface-2:#C4CED6;
  --ink:#181F26; --ink-soft:#4B5862; --silver:#8792A0; --hairline:#AFBDC7;
  --verdigris:#33473C; --verdigris-bright:#7C9686; --verdigris-mid:#4F6B5C;
  --on-verdigris:#F4EFE3; --error:#9A4A3E; --on-error:#F4EFE3;
  --paper:#EDF1F4;
  --shadow:0 1px 0 rgba(24,31,38,0.07);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto;}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;}
h1,h2,h3{font-family:var(--font-display);font-weight:900;color:var(--ink);text-wrap:balance;margin:0 0 0.4em;}
h3{font-weight:600;font-size:1.15rem;}
p{margin:0 0 1em;color:var(--ink-soft);max-width:65ch;}
a{color:inherit;}
:focus-visible{outline:2px solid var(--verdigris-mid);outline-offset:2px;}

.container{max-width:var(--container-width);margin:0 auto;padding:0 24px;}
section{padding:var(--section-padding) 0;}
.problem,.how-it-works,.trust{padding-top:0;}

.eyebrow{font-family:var(--font-mono);font-size:0.78rem;letter-spacing:0.12em;text-transform:uppercase;color:var(--verdigris-mid);display:inline-block;margin-bottom:12px;}

.btn-primary,.btn-secondary{font-family:var(--font-body);font-weight:600;font-size:0.95rem;padding:14px 24px;border-radius:8px;cursor:pointer;text-decoration:none;display:inline-block;border:1px solid transparent;}
.btn-primary{background:var(--verdigris);color:var(--on-verdigris);}
.btn-secondary{background:transparent;color:var(--ink);border-color:var(--hairline);}
.btn-small{padding:10px 18px;font-size:0.85rem;}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

@media (max-width:640px){:root{--section-padding:56px;}}

.site-header{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--hairline);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;}
.wordmark{font-family:var(--font-display);font-weight:600;font-size:1.3rem;text-decoration:none;color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-links a{text-decoration:none;color:var(--ink-soft);font-size:0.95rem;}
.nav-links a.btn-primary{color:var(--on-verdigris);}
.nav-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle-bar{width:22px;height:2px;background:var(--ink);}

@media (max-width:640px){
  .nav-toggle{display:flex;}
  .nav-links{position:absolute;top:72px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--hairline);flex-direction:column;align-items:flex-start;gap:0;max-height:0;overflow:hidden;transition:max-height 0.2s ease;}
  .nav-links.open{max-height:300px;}
  .nav-links a{padding:14px 24px;width:100%;}
}
@media (prefers-reduced-motion: reduce){.nav-links{transition:none;}}

.hero{position:relative;overflow:hidden;}
.hero-inner{position:relative;}
.hero h1{font-size:clamp(2rem,5vw,2.75rem);line-height:1.08;max-width:15ch;}
.hero-sub{font-size:1.05rem;margin-top:18px;max-width:52ch;}
.cta-row{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.pilot-badge{display:inline-flex;align-items:center;gap:8px;margin-top:24px;font-family:var(--font-mono);font-size:0.78rem;color:var(--verdigris-mid);border:1px solid var(--verdigris-mid);border-radius:999px;padding:6px 14px;}
.pilot-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--verdigris-mid);}

.hero-illustration{position:absolute;top:8px;right:0;width:260px;height:260px;z-index:-1;}
.card-back{fill:var(--surface-2);stroke:var(--hairline);stroke-width:1;}
.card-mid{fill:var(--surface);stroke:var(--hairline);stroke-width:1;}
.card-front{fill:var(--paper);stroke:var(--verdigris-mid);stroke-width:1.5;}
.invoice-line{fill:var(--hairline);}
.line-head{fill:var(--ink-soft);}
.line-amount{fill:var(--verdigris-mid);}
.badge-circle{fill:var(--verdigris);}
.badge-check{fill:none;stroke:var(--on-verdigris);stroke-width:4;stroke-linecap:round;stroke-linejoin:round;}
@media (max-width:900px){.hero-illustration{display:none;}}

.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.problem-card{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
@media (max-width:820px){.problem-grid{grid-template-columns:1fr;}}

.steps{list-style:none;margin:32px 0 0;padding:0;display:grid;gap:24px;}
.step{background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius);padding:24px;position:relative;padding-left:88px;box-shadow:var(--shadow);}
.step-number{position:absolute;left:24px;top:24px;font-family:var(--font-mono);font-size:1.5rem;color:var(--verdigris-mid);font-variant-numeric:tabular-nums;}
@media (max-width:640px){.step{padding-left:24px;}.step-number{position:static;display:block;margin-bottom:8px;}}

.message-preview{margin-top:32px;background:var(--surface);border:1px solid var(--hairline);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.message-preview h3{margin-bottom:2px;}
.message-preview .preview-note{font-size:0.85rem;color:var(--ink-soft);margin-bottom:20px;}
.wa-thread{display:grid;gap:10px;max-width:440px;}
.wa-bubble{margin:0;padding:10px 14px;border-radius:14px;font-size:0.92rem;line-height:1.45;max-width:85%;color:var(--ink);}
.wa-bubble.out{background:var(--paper);border:1px solid var(--verdigris-mid);justify-self:end;border-bottom-right-radius:4px;}
.wa-bubble.in{background:var(--surface-2);border:1px solid var(--hairline);justify-self:start;border-bottom-left-radius:4px;}

.trust-list{list-style:none;margin:24px 0 0;padding:0;display:grid;gap:16px;}
.trust-list li{background:var(--surface);border-left:3px solid var(--verdigris-mid);border-radius:0 var(--radius) var(--radius) 0;padding:16px 20px;color:var(--ink);}

.pilot-offer{background:var(--surface-2);}
.pilot-columns{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:32px;}
.pilot-columns ul{margin:12px 0 0;padding-left:20px;color:var(--ink-soft);}
@media (max-width:640px){.pilot-columns{grid-template-columns:1fr;}}

.contact-inner{max-width:640px;}
.contact-form{margin-top:32px;display:grid;gap:20px;}
.form-row{display:grid;gap:6px;}
.form-row label{font-size:0.9rem;font-weight:600;color:var(--ink);}
.form-row input,.form-row textarea{font-family:var(--font-body);font-size:1rem;padding:12px 14px;border:1px solid var(--hairline);border-radius:8px;background:var(--bg);color:var(--ink);}
.form-row input:focus,.form-row textarea:focus{border-color:var(--verdigris-mid);}
.form-status{margin-top:20px;font-weight:600;}
.form-status-error{color:var(--error);}

.site-footer{border-top:1px solid var(--hairline);padding:48px 0;}
.footer-inner{display:grid;gap:8px;font-size:0.9rem;color:var(--ink-soft);}
.footer-inner a{color:var(--verdigris-mid);}
.footer-disclosure{max-width:60ch;}
.footer-copyright{font-family:var(--font-mono);font-size:0.78rem;}