:root {
  --bg: #f6f8fc;
  --card: #ffffff;
  --ink: #14243b;
  --muted: #53647a;
  --line: #dde5ef;
  --brand: #075bcc;
  --brand-ink: #ffffff;
  --brand-soft: #eaf2ff;
  --accent: #f5b83d;
  --danger: #a3261b;
  --ok: #177347;
  --radius: 14px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--brand); text-underline-offset: 2px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(30px, 5vw, 46px); letter-spacing: -.01em; }
h2 { font-size: clamp(24px, 3.4vw, 32px); }
h3 { font-size: 20px; }
p { margin: 0 0 1em; }
img { max-width: 100%; height: auto; display: block; }
code { background: #eef3fa; padding: 1px 5px; border-radius: 4px; font-size: .9em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: 15px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: #fff; padding: 8px 12px; z-index: 10; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.topbar { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topbar-in { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--ink); text-decoration: none; }
.logo-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--brand); color: #fff; font-size: 18px; }
.topnav { display: flex; align-items: center; gap: 6px 16px; flex-wrap: wrap; font-size: 16px; }
.topnav a { text-decoration: none; color: var(--ink); padding: 6px 2px; }
.topnav a[aria-current="page"] { color: var(--brand); font-weight: 700; border-bottom: 2px solid var(--brand); }
.topnav .btn { color: var(--brand-ink); }
.inline { display: inline; margin: 0; }
.linkbtn { background: none; border: 0; padding: 0; color: var(--brand); font: inherit; text-decoration: underline; cursor: pointer; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--brand); color: var(--brand-ink); border: 2px solid var(--brand);
  border-radius: 12px; padding: 12px 22px; font: 700 18px/1.2 inherit; font-family: inherit; text-decoration: none; cursor: pointer; min-height: 48px; }
.btn:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-big { font-size: 20px; padding: 16px 28px; min-height: 56px; }
.btn-small { font-size: 16px; padding: 8px 14px; min-height: 40px; }
.btn-ghost { background: transparent; color: var(--brand); }
.btn-danger { background: var(--danger); border-color: var(--danger); }

.hero { background: linear-gradient(180deg, var(--brand-soft), var(--bg)); padding: 48px 0 40px; }
.hero-in { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; }
.hero .lead { font-size: 21px; color: #2f3b37; }
.demo-label { font-weight: 700; margin-bottom: 8px; display: flex; gap: 8px; align-items: center; }
.section { padding: 56px 0; }
.section.alt { background: #eef3fa; }
.cta-end { background: var(--brand); color: #fff; }
.cta-end .btn { background: #fff; color: var(--brand); border-color: #fff; }

.steps { list-style: none; padding: 0; margin: 24px 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.step-n { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--accent); font-weight: 800; margin-bottom: 10px; }

.example { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.example figure { margin: 0 0 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.example figcaption { font-size: 14px; color: var(--muted); padding: 8px 12px; }

.video { display: grid; gap: 16px; }
.video-frame { aspect-ratio: 16 / 9; background: #1b2420; color: #fff; border-radius: var(--radius); display: grid; place-content: center; text-align: center; padding: 16px; overflow: hidden; }
.video-frame iframe { width: 100%; height: 100%; border: 0; }
.video-frame .small { color: #c9d4cf; }
.video-play { background: var(--accent); color: #1d2421; border: 0; border-radius: 999px; padding: 14px 24px; font: 700 18px inherit; font-family: inherit; cursor: pointer; margin-bottom: 10px; }
.video-points { padding-left: 0; list-style: none; display: grid; gap: 10px; }
.video-points li { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.video-points .linkbtn { font-weight: 700; margin-right: 6px; }

.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; margin: 20px 0; }
.plan { background: var(--card); border: 2px solid var(--line); border-radius: var(--radius); padding: 22px; }
.plan.current { border-color: var(--brand); }
.price { font-size: 36px; font-weight: 800; margin: 4px 0; }
.price span { font-size: 17px; font-weight: 400; color: var(--muted); }

details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 700; font-size: 19px; }
details p { margin: 10px 0 0; }

.tag { display: inline-block; font-size: 12px; font-weight: 800; letter-spacing: .04em; background: var(--accent); color: #1d2421; border-radius: 6px; padding: 2px 7px; vertical-align: middle; }
.tag.ok { background: #d5efe2; color: var(--ok); }
.notice { background: #fff7e3; border: 1px solid #f0d58f; border-radius: 10px; padding: 12px 16px; }
.notice.warn { background: #fdecea; border-color: #f2b8b2; }
.error { background: #fdecea; border: 1px solid #f2b8b2; color: var(--danger); border-radius: 10px; padding: 12px 16px; }
.error-text { color: var(--danger); }

/* Formas */
.form label { display: block; font-weight: 600; margin: 14px 0 6px; }
.form label.check { font-weight: 400; display: flex; gap: 10px; align-items: flex-start; }
.form label.check input { width: 22px; height: 22px; margin-top: 3px; flex: none; }
input, textarea { width: 100%; font: inherit; font-size: 18px; padding: 11px 13px; border: 1.5px solid #c9c4b8; border-radius: 10px; background: #fff; color: var(--ink); }
textarea { resize: vertical; }
input.filled, textarea.filled { background: #f1faf6; border-color: var(--brand); }
.form button { margin-top: 18px; }
fieldset { border: 0; padding: 0; margin: 0 0 18px; }
legend { font-weight: 800; font-size: 19px; padding: 0; margin-bottom: 4px; }

/* Panelis */
.panel h1 { font-size: clamp(28px, 4vw, 38px); }
.panel-head { margin-bottom: 12px; }
.status-line { color: var(--muted); }
.progress { list-style: none; display: flex; gap: 8px; padding: 0; margin: 0 0 20px; flex-wrap: wrap; }
.progress li { padding: 6px 12px; border-radius: 999px; background: #e6ecf5; font-size: 15px; font-weight: 600; color: var(--muted); }
.progress li.on { background: var(--brand); color: #fff; }
.panel-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.panel-side { display: grid; gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 20px; }
.panel-side .card { margin-bottom: 0; }
.reader { display: flex; gap: 10px; }
.reader input { flex: 1; }
.copyrow { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; }
.copyrow input, .copyrow textarea { font-size: 15px; font-family: ui-monospace, Consolas, monospace; }
.tabs { display: flex; gap: 16px; }
.tabs a[aria-current="page"] { font-weight: 700; }
.meter { height: 12px; background: #e6ecf5; border-radius: 99px; overflow: hidden; margin-bottom: 10px; }
.meter span { display: block; height: 100%; background: var(--brand); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 16px; }
th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.convlist { list-style: none; padding: 0; margin: 0; }
.convlist a { display: flex; gap: 12px; align-items: baseline; flex-wrap: wrap; padding: 12px 4px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.convlist .when { font-size: 14px; color: var(--muted); min-width: 120px; }
.convlist .first { flex: 1; min-width: 200px; }
.transcript { display: grid; gap: 10px; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; }
.msg p { margin: 0; }
.msg .who { font-size: 13px; color: var(--muted); display: block; }
.msg-user { background: var(--brand-soft); justify-self: end; }
.msg-bot { background: #eef3fa; }
.danger summary { color: var(--danger); }
.legal h2 { margin-top: 1.4em; font-size: 24px; }
.legal li { margin-bottom: 8px; }

/* Čats */
.kp-chat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; height: 520px; overflow: hidden; box-shadow: 0 8px 30px rgba(15, 92, 77, .08); }
.kp-chat-tall { height: min(70vh, 640px); }
.kp-head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: var(--brand); color: #fff; }
.kp-dot { width: 10px; height: 10px; border-radius: 50%; background: #7ee2b8; }
.kp-log { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 10px; }
.kp-msg { max-width: 86%; padding: 10px 14px; border-radius: 14px; white-space: pre-wrap; word-wrap: break-word; font-size: 17px; line-height: 1.45; }
.kp-bot { background: #eef3fa; align-self: flex-start; border-bottom-left-radius: 4px; }
.kp-user { background: var(--brand); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.kp-typing { color: var(--muted); font-style: italic; }
.kp-cardbox:empty { display: none; }
.kp-cardbox { max-height: 60%; overflow-y: auto; border-top: 1px solid var(--line); }
.kp-card { padding: 12px 14px; display: grid; gap: 4px; background: #fffaf0; }
.kp-card label { font-size: 14px; font-weight: 600; margin-top: 4px; }
.kp-card input, .kp-card textarea { font-size: 16px; padding: 8px 10px; }
.kp-card .btn { margin-top: 8px; }
.kp-note { font-size: 13px; color: var(--muted); margin: 4px 0 0; }
.kp-err { color: var(--danger); font-size: 15px; margin: 0; }
.kp-err:empty { display: none; }
.kp-done { padding: 12px 14px; margin: 0; background: #e8f6ee; color: var(--ok); font-weight: 600; }
.kp-hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.kp-input { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); }
.kp-input textarea { min-height: 48px; max-height: 120px; font-size: 17px; }
.is-embed { background: #fff; }
.is-embed .kp-chat { height: 100vh; border: 0; border-radius: 0; box-shadow: none; }
.is-embed .kp-head { display: none; }

.footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 15px; color: var(--muted); margin-top: 0; }
.footer p { margin: 0 0 6px; }

@media (max-width: 900px) {
  .hero-in, .example, .panel-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .panel-side { position: static; }
  .hero { padding-top: 28px; }
}
@media (max-width: 520px) {
  body { font-size: 17px; }
  .section { padding: 40px 0; }
  .reader, .copyrow { flex-direction: column; }
  .reader .btn, .copyrow .btn { width: 100%; }
  .btn-big { width: 100%; }
  .kp-chat { height: 480px; }
  .topnav { font-size: 15px; gap: 4px 12px; }
}

.sources { list-style: none; padding: 0; margin: 14px 0; }
.sources li { display: flex; flex-wrap: wrap; gap: 6px 10px; align-items: baseline; padding: 10px 0; border-bottom: 1px solid var(--line); }
.sources .src-title { flex: 1; min-width: 180px; overflow-wrap: anywhere; }
#zinasanas .form + .form { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
#zinasanas input[type=file] { padding: 8px; }