/* ============================================================
   ALGOVARO — DOCS / TUTORIALS
   Light reading theme built from the brand "Signal Terminal"
   tokens (emerald #16A877, IBM Plex Mono, Inter, brand navy).
   Shared by: onboarding · tutorials · setup · deposit · copy
   ============================================================ */

:root{
  /* Brand */
  --green:        #16A877;
  --green-deep:   #0C7A54;
  --green-bright: #2BD493;
  --navy:         #15294D;
  --gold:         #B8860B;
  --gold-bg:      #FAF4E6;
  --danger:       #A23A2B;
  --danger-bg:    #FBECE9;

  /* Light surfaces & ink */
  --paper:    #FFFFFF;
  --panel:    #F5F8F8;
  --panel-2:  #ECF1F2;
  --tint:     #EAF6F1;          /* green wash */
  --ink:      #12181D;          /* headings */
  --ink-2:    #2B343B;          /* strong body */
  --body:     #434B52;          /* body text */
  --muted:    #6A737B;
  --dim:      #98A0A7;
  --line:     rgba(18,24,29,.11);
  --line-soft:rgba(18,24,29,.06);

  --radius-sm: 6px;
  --radius-md: 9px;
  --radius-lg: 14px;

  --mono:"IBM Plex Mono","SF Mono",Menlo,Consolas,monospace;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@supports (overflow-x:clip){html,body{overflow-x:clip}}
body{
  font-family:var(--sans);
  font-size:16px;line-height:1.7;font-weight:400;
  color:var(--body);background:var(--paper);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}

/* ---------- Layout ---------- */
.container{max-width:760px;margin:0 auto;padding:0 24px}
main.container{padding-top:8px;padding-bottom:0}

/* ---------- Doc top bar (slim) ---------- */
.docbar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);backdrop-filter:saturate(140%) blur(8px);position:sticky;top:0;z-index:40}
.docbar-inner{max-width:760px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.docbar .brand-logo{height:30px;width:auto;display:block}
.docbar-right{display:flex;align-items:center;gap:18px;font-size:13px;font-weight:600}
.docbar-right a{color:var(--muted);transition:color .15s}
.docbar-right a:hover{color:var(--green-deep)}
.lang-toggle{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:12px}
.lang-toggle a{color:var(--muted)}
.lang-toggle .active{color:var(--ink);font-weight:600}
.lang-toggle .separator{color:var(--dim)}

/* ---------- Page header ---------- */
.header{padding:38px 0 26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.header .brand-logo{height:46px;width:auto;margin:0 0 22px}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.header-logo img{height:40px;width:auto}

.eyebrow,.intro-eyebrow{
  font-family:var(--mono);font-size:12px;font-weight:600;
  text-transform:uppercase;letter-spacing:0.12em;color:var(--green-deep);
  margin:0 0 12px;display:flex;align-items:center;flex-wrap:wrap;gap:2px;
}
.eyebrow a{color:var(--muted);font-weight:500;transition:color .15s}
.eyebrow a:hover{color:var(--green-deep)}
.eyebrow .separator{color:var(--dim);margin:0 .55rem;font-weight:400}

h1{font-family:var(--sans);font-size:clamp(30px,4.4vw,42px);font-weight:800;line-height:1.08;letter-spacing:-0.025em;color:var(--ink);margin:0 0 14px}
h2{font-family:var(--sans);font-size:23px;font-weight:700;line-height:1.2;letter-spacing:-0.015em;color:var(--ink);margin:0 0 12px}
h3{font-family:var(--sans);font-size:16px;font-weight:700;line-height:1.35;color:var(--ink);margin:1.9rem 0 .7rem;letter-spacing:-0.005em}
h4{font-family:var(--mono);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:var(--muted);margin:1.4rem 0 .6rem}
.lede,.intro-lead{font-size:17px;color:var(--muted);line-height:1.6;margin:0}
.intro{margin-bottom:30px}

p{margin:0 0 1rem}
strong{font-weight:600;color:var(--ink-2)}
a{color:var(--green-deep);text-decoration:none}
.section a,.block a,details a,.lede a,.next-step-block a{border-bottom:1px solid rgba(12,122,84,.32);transition:border-color .15s,color .15s}
.section a:hover,.block a:hover,details a:hover{border-bottom-color:var(--green-deep)}
code{font-family:var(--mono);font-size:.86em;background:var(--panel-2);padding:2px 6px;border-radius:4px;color:var(--ink-2);white-space:nowrap}
ul,ol{margin:0 0 1rem;padding-left:1.3rem}
li{margin-bottom:.5rem}
li::marker{color:var(--green)}

.section{margin-bottom:2.6rem}
img,svg{display:block;max-width:100%}

/* ---------- Step header (numbered) ---------- */
.step-header{display:flex;align-items:center;gap:14px;margin-bottom:1rem}
.step-number{
  font-family:var(--mono);width:32px;height:32px;border-radius:50%;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:600;font-size:14px;flex-shrink:0;
}
.step-header h2{margin:0}

/* ---------- Callout boxes ---------- */
.info-box{
  background:var(--tint);border:1px solid rgba(22,168,119,.20);
  border-radius:var(--radius-md);padding:14px 18px;margin-top:1rem;
  font-size:14.5px;line-height:1.6;color:var(--ink-2);
}
.info-box strong{color:var(--green-deep)}
.info-box ul{margin:.5rem 0 0}

.danger-box{background:var(--danger-bg);border:1px solid rgba(162,58,43,.22);border-left:3px solid var(--danger);border-radius:var(--radius-md);padding:14px 18px;margin-bottom:2rem}
.danger-box .title{font-weight:700;color:var(--danger);margin:0 0 .4rem;font-size:15px}
.danger-box p{color:#7E3024;margin:0 0 .5rem;font-size:14.5px;line-height:1.6}
.danger-box p:last-child{margin:0}
.danger-box ul{color:#7E3024;margin:.4rem 0 0}

.callout{background:var(--gold-bg);border:1px solid rgba(184,134,11,.24);border-left:3px solid var(--gold);border-radius:var(--radius-md);padding:13px 17px;margin:1.1rem 0}
.callout p{margin:0 0 .5rem;font-size:14.5px;line-height:1.6;color:#6E5414}
.callout p:last-child{margin:0}
.callout strong{color:#5A4410}
.callout.callout-warn{background:var(--danger-bg);border-color:rgba(162,58,43,.22);border-left-color:var(--danger)}
.callout.callout-warn p{color:#7E3024}
.callout.callout-warn strong{color:var(--danger)}

/* ---------- Next-step / optional blocks ---------- */
.next-step-block,.optional-block{
  background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--green);
  border-radius:var(--radius-md);padding:20px 24px;margin:2.4rem 0;
}
.next-step-block h2,.optional-block h2{margin:0 0 .5rem;font-size:18px}
.next-step-block p,.optional-block p{margin:0 0 .7rem;font-size:14.5px;line-height:1.6;color:var(--body)}
.next-step-block p:last-child,.optional-block p:last-child{margin:0}
.next-step-block a{font-weight:600;color:var(--green-deep);border-bottom:1.5px solid rgba(12,122,84,.4)}
.next-step-block a:hover{border-bottom-color:var(--green-deep)}

/* ---------- Accordion ---------- */
details{margin-bottom:2.4rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 20px}
details summary{font-size:15px;font-weight:700;cursor:pointer;color:var(--ink);list-style:none;position:relative;padding-right:1.8rem}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:20px;font-weight:400;line-height:1;color:var(--green-deep)}
details[open] summary::after{content:"−"}
details .content{margin-top:1rem;color:var(--body);font-size:14.5px;line-height:1.65}
details .content p{margin:0 0 .7rem}
details .content p:last-child{margin:0}

/* ---------- Screenshots + lightbox ---------- */
figure.screenshot{margin:1.5rem 0}
figure.screenshot img{width:100%;height:auto;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--panel);cursor:zoom-in;transition:opacity .15s,box-shadow .15s}
figure.screenshot img:hover{opacity:.94;box-shadow:0 6px 24px rgba(18,24,29,.10)}
figure.screenshot figcaption{margin-top:.6rem;font-size:12.5px;color:var(--muted);line-height:1.55;font-style:italic}
figure.screenshot figcaption code{font-style:normal}
.lightbox{border:none;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;overflow:hidden}
.lightbox::backdrop{background:rgba(8,12,15,.93)}
.lightbox-content{position:relative;width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;box-sizing:border-box}
.lightbox img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;border-radius:var(--radius-md);cursor:zoom-out}
.lightbox-close{position:fixed;top:1rem;right:1rem;background:rgba(255,255,255,.95);border:1px solid var(--line);width:40px;height:40px;border-radius:50%;font-size:22px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink);font-weight:600;z-index:10;transition:background .15s}
.lightbox-close:hover{background:#fff}
.lightbox-caption{position:absolute;bottom:1rem;left:50%;transform:translateX(-50%);background:rgba(255,255,255,.95);padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:12px;max-width:90%;line-height:1.5;text-align:center;font-style:italic;color:var(--muted)}

/* ============================================================
   DEPOSIT PAGE
   ============================================================ */
.method-section{margin:2.6rem 0;padding-top:2rem;border-top:1px solid var(--line)}
.method-meta{font-family:var(--mono);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--green-deep);margin:0 0 .4rem}

.fee-table,.method-section table{width:100%;border-collapse:collapse;font-size:13.5px;margin:1rem 0 1.4rem}
.fee-table thead tr{border-bottom:2px solid var(--line)}
.fee-table th{text-align:left;padding:9px 12px;font-family:var(--mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:var(--muted)}
.fee-table td{padding:11px 12px;border-top:1px solid var(--line-soft);color:var(--body);vertical-align:top;line-height:1.45}
.fee-table tbody tr:hover{background:var(--panel)}
.fee-good{color:var(--green-deep);font-weight:500}
.fee-bad{color:var(--danger);font-weight:500}
.fee-warn{color:var(--gold);font-weight:500}

.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1.2rem 0 1.4rem}
.pros-cons .col{border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 18px}
.pros-cons .col h3{margin:0 0 .6rem;font-size:13px;text-transform:uppercase;letter-spacing:0.05em;font-family:var(--mono)}
.pros-cons .col.pros{background:var(--tint);border-color:rgba(22,168,119,.2)}
.pros-cons .col.pros h3{color:var(--green-deep)}
.pros-cons .col.cons{background:var(--danger-bg);border-color:rgba(162,58,43,.18)}
.pros-cons .col.cons h3{color:var(--danger)}
.pros-cons ul{margin:0;padding-left:1.1rem;font-size:13.5px;line-height:1.5}
.pros-cons li{margin-bottom:.4rem}

.data-block{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:6px 18px;margin:1.2rem 0}
.data-row{display:flex;gap:16px;padding:11px 0;border-bottom:1px solid var(--line-soft)}
.data-row:last-child{border-bottom:none}
.data-label{flex:0 0 150px;font-family:var(--mono);font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:0.04em;color:var(--muted);padding-top:2px}
.data-value{flex:1;font-family:var(--mono);font-size:13.5px;color:var(--ink-2);line-height:1.5;word-break:break-word}

/* ============================================================
   TUTORIALS HUB
   ============================================================ */
.section-heading{font-family:var(--mono);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--muted);margin:2.4rem 0 1.1rem;padding-bottom:.5rem;border-bottom:1px solid var(--line)}

.tutorial-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 26px;margin-bottom:16px;transition:border-color .18s,box-shadow .18s,transform .18s}
.tutorial-card:hover{border-color:rgba(22,168,119,.4);box-shadow:0 8px 30px rgba(18,24,29,.07);transform:translateY(-2px)}
.tutorial-card .card-meta{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:0.1em;color:var(--green-deep);font-weight:600;margin:0 0 .5rem}
.tutorial-card h2{margin:0 0 .5rem;font-size:20px}
.tutorial-card .description{color:var(--body);font-size:14.5px;line-height:1.6;margin:0 0 1rem}
.tutorial-card .meta-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1rem 0;padding:14px 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);font-size:13px;color:var(--body)}
.tutorial-card .meta-label{font-family:var(--mono);font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:0.05em;font-size:10px;margin-bottom:3px}
.tutorial-card a.cta{display:inline-flex;align-items:center;gap:6px;color:var(--green-deep);font-weight:600;font-size:14.5px;border-bottom:1.5px solid rgba(12,122,84,.4);transition:border-color .15s}
.tutorial-card a.cta:hover{border-bottom-color:var(--green-deep)}

.flow-block{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 26px;margin:2rem 0}
.flow-block h2{margin:0 0 1rem;font-size:17px}
.flow-steps{display:flex;flex-direction:column;gap:8px}
.flow-step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 16px;display:flex;align-items:center;gap:14px}
.flow-step .step-badge{flex-shrink:0;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:600;font-size:12px}
.flow-step .step-content{flex:1;line-height:1.4}
.flow-step .step-title{font-size:14px;font-weight:600;color:var(--ink);margin:0}
.flow-step .step-detail{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.flow-step.companion{margin-left:1.6rem;background:var(--paper);border-left:3px solid var(--green)}
.flow-step.companion .step-badge{background:var(--green);color:#03110b}
.flow-step.final{background:var(--tint);border-color:rgba(22,168,119,.3)}
.flow-step.final .step-badge{background:var(--green);color:#03110b}
.flow-step.final .step-title{color:var(--green-deep)}
.flow-note{font-size:13px;color:var(--muted);margin:1rem 0 0;line-height:1.55}

.help-block{background:var(--tint);border:1px solid rgba(22,168,119,.2);border-radius:var(--radius-lg);padding:20px 24px;margin:2rem 0 1.5rem}
.help-block h2{margin:0 0 .5rem;font-size:17px}
.help-block p{color:var(--body);font-size:14.5px;line-height:1.6;margin:0}

/* ============================================================
   ONBOARDING
   ============================================================ */
/* Stepper */
.stepper{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;margin-bottom:34px}
.stepper-title{font-family:var(--mono);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--muted);margin:0 0 14px}
.stepper-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.stepper-list li{margin:0}
.step{display:flex;align-items:center;gap:13px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px 16px;color:var(--ink);transition:border-color .15s,background .15s}
.step:hover{border-color:rgba(22,168,119,.4)}
.step-checkbox{flex-shrink:0;width:22px;height:22px;border-radius:50%;border:2px solid var(--dim);display:flex;align-items:center;justify-content:center;transition:all .15s;cursor:pointer}
.step-checkbox::after{content:"";width:9px;height:9px;border-radius:50%;background:transparent;transition:background .15s}
.step.done .step-checkbox{border-color:var(--green);background:var(--green)}
.step.done .step-checkbox::after{background:#fff}
.step-label{flex:1;font-size:14.5px;font-weight:600}
.step.done .step-label{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--dim)}
.step-arrow{font-family:var(--mono);color:var(--green-deep);font-weight:600}
.stepper-hint{font-size:12px;color:var(--muted);margin:14px 0 0;line-height:1.5}

/* Content blocks */
.block{margin-bottom:2.8rem;padding-top:2rem;border-top:1px solid var(--line)}
.block:first-of-type{border-top:none;padding-top:0}
.block-eyebrow{font-family:var(--mono);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--green-deep);margin:0 0 .5rem}
.block-lead{font-size:16px;color:var(--muted);line-height:1.6;margin:0 0 1.4rem}

.tip-list{list-style:none;margin:0 0 1rem;padding:0;display:flex;flex-direction:column;gap:10px}
.tip-list li{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-md);padding:13px 17px;margin:0;font-size:14px;line-height:1.55;color:var(--body)}
.tip-list li strong{display:block;color:var(--ink);margin-bottom:3px;font-size:14.5px}

/* CTA buttons */
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:1.4rem 0}
.cta-primary,.cta-secondary,.cta-outline{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;padding:12px 22px;border-radius:var(--radius-md);transition:all .18s var(--ease);border:1px solid transparent;line-height:1.2}
.cta-primary{background:var(--green);color:#fff}
.cta-primary:hover{background:var(--green-deep);transform:translateY(-1px)}
.cta-secondary{background:var(--ink);color:#fff}
.cta-secondary:hover{background:#000;transform:translateY(-1px)}
.cta-outline{background:var(--paper);color:var(--ink);border-color:var(--line)}
.cta-outline:hover{border-color:var(--green);color:var(--green-deep)}

/* Tables (onboarding) */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);margin:1rem 0 1.2rem}
.table-wrap table{width:100%;border-collapse:collapse;font-size:14px;min-width:340px}
.table-wrap thead tr{background:var(--panel)}
.table-wrap th{text-align:left;padding:11px 16px;font-family:var(--mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.04em;color:var(--muted);border-bottom:1px solid var(--line)}
.table-wrap td{padding:10px 16px;border-top:1px solid var(--line-soft);color:var(--body)}
.table-wrap td strong{color:var(--ink)}
.numeric{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}

/* Stat tiles */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:1.2rem 0}
.stat-tile{background:var(--tint);border:1px solid rgba(22,168,119,.22);border-radius:var(--radius-md);padding:18px 20px}
.stat-value{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:26px;font-weight:600;color:var(--green-deep);line-height:1;margin:0 0 6px}
.stat-label{font-size:12.5px;color:var(--muted);line-height:1.45;margin:0}

/* Contact card */
.contact-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 24px;margin:1.2rem 0}
.contact-role{font-family:var(--mono);font-size:11px;text-transform:uppercase;letter-spacing:0.1em;color:var(--muted);font-weight:600;margin:0 0 4px}
.contact-name{font-size:20px;font-weight:700;color:var(--ink);margin:0 0 6px}
.contact-detail{font-size:14px;color:var(--body);margin:0;line-height:1.6}

/* ============================================================
   SHARED FOOTER + RISK NOTICE
   ============================================================ */
.doc-footer{margin-top:3.5rem;border-top:1px solid var(--line);padding:30px 0 12px}
.doc-footer-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-bottom:20px}
.doc-footer-nav img{height:26px;width:auto;margin-right:6px}
.doc-footer-nav a{font-size:13.5px;font-weight:600;color:var(--muted);transition:color .15s}
.doc-footer-nav a:hover{color:var(--green-deep)}
.doc-footer-nav .spacer{flex:1}

.risk-notice{color:var(--muted);font-size:11.5px;line-height:1.6;padding:0 0 36px}
.doc-footer .risk-notice{padding-top:0}
.risk-notice:not(.doc-footer .risk-notice){padding-top:1.5rem;margin-top:2.5rem;border-top:1px solid var(--line)}
.risk-notice-title{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:0.1em;color:var(--dim);font-weight:600;margin:0 0 6px}
.risk-notice p{margin:0}
.risk-notice em{font-style:italic}
.risk-notice a{color:var(--muted);border-bottom:1px solid var(--line)}

/* ---------- Responsive ---------- */
@media (max-width:640px){
  body{font-size:15px}
  .header{padding:28px 0 22px;margin-bottom:26px}
  h1{font-size:27px}
  h2{font-size:20px}
  .pros-cons{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .tutorial-card .meta-row{grid-template-columns:1fr;gap:10px}
  .flow-step.companion{margin-left:.8rem}
  .data-label{flex-basis:120px}
  .fee-table{font-size:12.5px}
  .fee-table th,.fee-table td{padding:8px 9px}
  .cta-row{flex-direction:column;align-items:stretch}
  .cta-primary,.cta-secondary,.cta-outline{justify-content:center}
  .docbar-right a:not(.docbar-cta){display:none}
}