/* TB Consulting
   Layout: registru contabil — coloane cu reglaj fin, coduri de cont în marginea stângă,
   o singură culoare "cerneală roșie" pentru accente (ca în registrele vechi). */
:root {
  --paper: #f5f7f4;
  --sheet: #ffffff;
  --ink: #15231f;
  --muted: #5b6a64;
  --rule: #d6dfda;
  --ledger: #1f5a49;      /* verde registru */
  --ledger-soft: #e3eee9;
  --red-ink: #b23a30;     /* cerneală roșie, folosită rar */
  --on-ledger: #ffffff;

  --f-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --s-1: clamp(2.4rem, 1.6rem + 3.6vw, 4.2rem);
  --s-2: clamp(1.7rem, 1.3rem + 1.6vw, 2.4rem);
  --s-3: 1.3rem;
  --s-body: 1.0625rem;
  --s-small: .875rem;

  --wrap: 72rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --radius: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1614; --sheet: #151e1b; --ink: #e5ece9; --muted: #9aa9a3;
    --rule: #2a3733; --ledger: #6cc0a2; --ledger-soft: #1b2b26; --red-ink: #e8746a;
    --on-ledger: #0f1614; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1614; --sheet: #151e1b; --ink: #e5ece9; --muted: #9aa9a3;
  --rule: #2a3733; --ledger: #6cc0a2; --ledger-soft: #1b2b26; --red-ink: #e8746a;
  --on-ledger: #0f1614; color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 var(--s-body)/1.6 var(--f-body);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--ledger); text-underline-offset: 3px; }
a:hover { color: var(--red-ink); }
:focus-visible { outline: 2px solid var(--red-ink); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.12; letter-spacing: -.015em; text-wrap: balance; margin: 0; font-weight: 650; }
h1 { font-size: var(--s-1); }
h2 { font-size: var(--s-2); }
h3 { font-size: var(--s-3); }
p { margin: 0; }
.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.prose { max-width: 40rem; display: grid; gap: 1rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 38rem; }
.eyebrow { font: 500 var(--s-small)/1.3 var(--f-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.code { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--sheet); padding: .5rem 1rem; z-index: 99; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.3rem; border-radius: var(--radius);
  font: 600 1rem/1 var(--f-body); text-decoration: none; border: 1.5px solid var(--ledger); cursor: pointer; transition: background .15s, color .15s; }
.btn-primary { background: var(--ledger); color: var(--on-ledger); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ledger); }
.btn-ghost:hover { background: var(--ledger-soft); color: var(--ledger); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 4.25rem; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font: 700 1.2rem/1 var(--f-display); }
.brand-mark { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border: 1.5px solid var(--ink); border-radius: 4px;
  font: 600 .85rem/1 var(--f-mono); position: relative; }
.brand-mark::after { content: ""; position: absolute; left: 3px; right: 3px; bottom: 5px; border-bottom: 1.5px double var(--red-ink); }
.nav { display: flex; align-items: center; gap: 1.5rem; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ledger); }
.nav a.btn-primary, .nav a.btn-primary:hover { color: var(--on-ledger); }
.nav a.btn-primary:hover { color: var(--paper); }
.nav a[aria-current="page"] { text-decoration: underline; text-decoration-color: var(--red-ink); text-decoration-thickness: 2px; }
.nav-toggle { display: none; background: none; border: 1.5px solid var(--rule); border-radius: var(--radius); padding: .5rem .7rem; color: var(--ink); font: 600 .9rem var(--f-body); cursor: pointer; }
.dropdown { position: relative; }
.dropdown-menu { position: absolute; top: calc(100% + .75rem); left: -1rem; min-width: 19rem; background: var(--sheet); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: .5rem; display: none; box-shadow: 0 12px 30px -12px rgb(0 0 0 / .18); }
.dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { display: grid; }
.dropdown-menu a { display: grid; grid-template-columns: 3.2rem 1fr; padding: .55rem .6rem; border-radius: 4px; }
.dropdown-menu a:hover { background: var(--ledger-soft); }
.dropdown-menu .code { color: var(--muted); font-size: .8rem; padding-top: .15rem; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--rule);
    flex-direction: column; align-items: stretch; gap: 0; padding: .5rem var(--gutter) 1rem; }
  .nav.open { display: flex; }
  .nav > a, .nav > .dropdown > a { padding: .7rem 0; border-bottom: 1px solid var(--rule); }
  .dropdown-menu { position: static; display: grid; box-shadow: none; border: 0; padding: 0 0 .5rem; min-width: 0; background: transparent; }
  .nav .btn { margin-top: .75rem; justify-content: center; }
}

/* Sections */
section { padding-block: clamp(3.5rem, 7vw, 6rem); }
.section-head { display: grid; gap: .8rem; margin-bottom: 2.5rem; max-width: 46rem; }
.band { background: var(--sheet); border-block: 1px solid var(--rule); }

/* Hero */
.hero { padding-block: clamp(3rem, 6vw, 5.5rem) clamp(3rem, 6vw, 5rem); }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.hero-copy { display: grid; gap: 1.4rem; min-width: 0; }
.hero h1 em { font-style: normal; color: var(--ledger); }
.hero h1 .dbl { background-image: linear-gradient(var(--red-ink), var(--red-ink)), linear-gradient(var(--red-ink), var(--red-ink));
  background-size: 100% 2px, 100% 2px; background-position: 0 92%, 0 100%; background-repeat: no-repeat; padding-bottom: .12em; }
@media (max-width: 900px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Ledger panel (hero visual) */
.ledger { margin: 0; background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; min-width: 0;
  box-shadow: 0 30px 60px -35px rgb(20 50 40 / .35); }
.ledger-top { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 1rem; border-bottom: 1px solid var(--rule); font: 500 .8rem/1.3 var(--f-mono); color: var(--muted); }
.ledger-scroll { overflow-x: auto; }
.ledger table { width: 100%; border-collapse: collapse; font: 400 .85rem/1.35 var(--f-mono); font-variant-numeric: tabular-nums; }
.ledger th { text-align: left; font-weight: 500; color: var(--muted); padding: .55rem .75rem; white-space: nowrap; border-bottom: 1px solid var(--rule); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.ledger td { padding: .6rem .75rem; white-space: nowrap; border-bottom: 1px solid var(--rule); vertical-align: top; }
.ledger td.num, .ledger th.num { text-align: right; }
.ledger tr.flag td { background: color-mix(in srgb, var(--red-ink) 7%, transparent); }
.ledger .tag { display: inline-block; font-size: .7rem; padding: .1rem .4rem; border-radius: 3px; border: 1px solid currentColor; white-space: nowrap; }
.ledger .tag.ok { color: var(--ledger); }
.ledger .tag.ai { color: var(--red-ink); }
@media (max-width: 520px) { .ledger th:nth-child(2), .ledger td:nth-child(2) { display: none; } .ledger-top span:last-child { display: none; } }
.ledger-note { padding: .85rem 1rem; font: 400 .82rem/1.45 var(--f-body); color: var(--muted); display: grid; gap: .3rem; }
.ledger-note strong { color: var(--red-ink); font-weight: 600; }

/* Pain points */
.pains { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--rule); }
.pains li { list-style: none; padding: 1.4rem 1.5rem 1.4rem 0; border-bottom: 1px solid var(--rule); display: grid; gap: .35rem; }
.pains li:nth-child(odd) { padding-right: 2rem; border-right: 1px solid var(--rule); }
.pains li:nth-child(even) { padding-left: 2rem; }
.pains strong { font-family: var(--f-display); font-size: 1.1rem; font-weight: 600; }
.pains span { color: var(--muted); }
.pains-list { padding: 0; margin: 0; }
@media (max-width: 720px) { .pains { grid-template-columns: 1fr; } .pains li:nth-child(odd) { border-right: 0; padding-right: 0; } .pains li:nth-child(even) { padding-left: 0; } }

/* Services as ledger rows */
.services { border-top: 2px solid var(--ink); }
.service-row { display: grid; grid-template-columns: 6.5rem minmax(0, 1.2fr) minmax(0, 1fr) auto; gap: 1.5rem; align-items: start;
  padding: 1.6rem 0; border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink); transition: background .15s; }
.service-row:hover { background: var(--ledger-soft); color: var(--ink); }
.service-row .acct { font: 500 .8rem/1.4 var(--f-mono); color: var(--muted); padding-top: .35rem; }
.service-row .acct b { display: block; color: var(--ledger); font-size: 1.05rem; font-weight: 600; }
.service-row h3 { margin-bottom: .4rem; }
.service-row p { color: var(--muted); }
.service-row ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .3rem; font-size: .95rem; }
.service-row ul li::before { content: "— "; color: var(--red-ink); }
.service-row .go { font: 600 1.4rem/1 var(--f-display); color: var(--ledger); padding-top: .2rem; }
.service-row:hover .go { color: var(--red-ink); }
@media (max-width: 860px) { .service-row { grid-template-columns: 4.5rem minmax(0, 1fr); } .service-row ul, .service-row .go { grid-column: 2; } .service-row .go { display: none; } }

/* Conta AS feature */
.feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.flow { display: grid; gap: 0; border-left: 2px solid var(--ledger); margin: 0; padding: 0; list-style: none; counter-reset: s; }
.flow li { counter-increment: s; position: relative; padding: 0 0 1.6rem 1.75rem; display: grid; gap: .25rem; }
.flow li::before { content: counter(s); position: absolute; left: -.85rem; top: 0; width: 1.6rem; height: 1.6rem; border-radius: 50%;
  background: var(--paper); border: 2px solid var(--ledger); display: grid; place-items: center; font: 600 .78rem/1 var(--f-mono); color: var(--ledger); }
.band .flow li::before { background: var(--sheet); }
.flow li:last-child { padding-bottom: 0; }
.flow.dots li::before { content: ""; width: .9rem; height: .9rem; left: -.5rem; top: .4rem; }
.flow strong { font-family: var(--f-display); font-weight: 600; font-size: 1.08rem; }
.flow span { color: var(--muted); }
@media (max-width: 860px) { .feature { grid-template-columns: 1fr; } }

/* Competence grid */
.skills { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; }
.skill { background: var(--sheet); padding: 1.5rem; display: grid; gap: .5rem; align-content: start; }
.skill .eyebrow { color: var(--ledger); }
.skill p { color: var(--muted); font-size: .98rem; }
@media (max-width: 900px) { .skills { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .skills { grid-template-columns: 1fr; } }

/* Comparison table */
.compare-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--sheet); }
.compare { width: 100%; border-collapse: collapse; min-width: 34rem; }
.compare th, .compare td { padding: .9rem 1.1rem; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.compare thead th { font: 600 .8rem/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.compare thead th:last-child { color: var(--ledger); }
.compare td:first-child { font-weight: 600; }
.compare td:nth-child(2) { color: var(--muted); }
.compare tr:last-child td { border-bottom: 0; }

/* FAQ */
.faq { border-top: 1px solid var(--rule); max-width: 50rem; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; padding: 1.15rem 2rem 1.15rem 0; font: 600 1.08rem/1.35 var(--f-display); list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .25rem; top: 1rem; font: 400 1.4rem/1 var(--f-mono); color: var(--ledger); }
.faq details[open] summary::after { content: "−"; color: var(--red-ink); }
.faq details > div { padding: 0 0 1.25rem; color: var(--muted); max-width: 42rem; display: grid; gap: .6rem; }

/* CTA / form */
.cta { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .cta { grid-template-columns: 1fr; } }
.contact-lines { display: grid; gap: .9rem; margin-top: 1.5rem; }
.contact-lines div { display: grid; grid-template-columns: 6rem 1fr; gap: .75rem; border-top: 1px solid var(--rule); padding-top: .9rem; }
.contact-lines dt, .contact-lines .k { font: 500 .8rem/1.5 var(--f-mono); color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.todo { color: var(--red-ink); font-family: var(--f-mono); font-size: .9rem; }
form.card { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: clamp(1.25rem, 3vw, 2rem); display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; min-width: 0; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 560px) { .field-row { grid-template-columns: 1fr; } }
label { font-weight: 600; font-size: .95rem; }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--paper); border: 1.5px solid var(--rule); border-radius: var(--radius); padding: .7rem .8rem; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--ledger); }
textarea { min-height: 8rem; resize: vertical; }
.check { display: flex; gap: .6rem; align-items: flex-start; font-weight: 400; font-size: .92rem; color: var(--muted); }
.check input { width: auto; margin-top: .3rem; accent-color: var(--ledger); }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; border: 0; padding: 0; margin: 0; }
.chips legend { font-weight: 600; font-size: .95rem; margin-bottom: .45rem; padding: 0; }
.chips label { font-weight: 500; font-size: .9rem; display: inline-flex; gap: .4rem; align-items: center; border: 1.5px solid var(--rule); border-radius: 99px; padding: .35rem .8rem; cursor: pointer; }
.chips input { width: auto; accent-color: var(--ledger); margin: 0; }
.chips label:has(input:checked) { border-color: var(--ledger); background: var(--ledger-soft); }
.hp { position: absolute; left: -9999px; }
.form-status { font-size: .95rem; padding: .75rem .9rem; border-radius: var(--radius); }
.form-status.ok { background: var(--ledger-soft); color: var(--ink); }
.form-status.err { border: 1px solid var(--red-ink); color: var(--ink); }

/* Page hero (inner pages) */
.page-hero { padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--rule); }
.page-hero .wrap { display: grid; gap: 1.1rem; }
.crumbs { font: 500 .8rem/1.4 var(--f-mono); color: var(--muted); }
.crumbs a { color: var(--muted); }
.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.aside { background: var(--sheet); border: 1px solid var(--rule); border-radius: var(--radius); padding: 1.5rem; display: grid; gap: 1rem; position: sticky; top: 6rem; }
@media (max-width: 860px) { .aside { position: static; } }
.aside ul { margin: 0; padding: 0; list-style: none; display: grid; gap: .5rem; }
.aside li { display: grid; grid-template-columns: 1.2rem 1fr; gap: .4rem; }
.aside li::before { content: "✓"; color: var(--ledger); font-weight: 700; }
.deliverables { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.deliverables div { display: grid; grid-template-columns: minmax(0, 14rem) minmax(0, 1fr); gap: 1.5rem; padding: 1.1rem 0; border-bottom: 1px solid var(--rule); }
.deliverables h3 { font-size: 1.08rem; }
.deliverables p { color: var(--muted); }
@media (max-width: 640px) { .deliverables div { grid-template-columns: 1fr; gap: .3rem; } }
.stack { display: grid; gap: 3rem; }
.stack > div { display: grid; gap: 1.25rem; }
.legal h2 { font-size: 1.35rem; margin-top: 1rem; }
.legal ul { margin: 0; padding-left: 1.2rem; display: grid; gap: .35rem; }

/* Footer */
.site-footer { background: var(--sheet); border-top: 2px solid var(--ink); padding-block: 3rem 2rem; font-size: .95rem; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr)); gap: 2rem; }
.site-footer h4 { font: 500 .78rem/1.3 var(--f-mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 .8rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.site-footer a { color: var(--ink); text-decoration: none; }
.site-footer a:hover { color: var(--ledger); text-decoration: underline; }
.site-footer .legal-line { margin-top: 2.5rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .85rem; }
@media (max-width: 860px) { .site-footer .cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .site-footer .cols { grid-template-columns: 1fr; } }