:root {
  --paper: #F8F7F2;
  --grid: rgba(42, 92, 170, 0.10);
  --grid-strong: rgba(42, 92, 170, 0.18);
  --ink: #1B1E24;
  --muted: #5B6068;
  --blue: #2A5CAA;
  --red: #C4372B;
  --red-dark: #A02C22;
  --green: #1F6F42;
  --amber: #8A5717;
  --card: #FFFFFF;
  --line: #D9D7CC;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    linear-gradient(var(--grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-strong) 1px, transparent 1px);
  background-size: 8px 8px, 8px 8px, 80px 80px, 80px 80px;
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}
.mono { font-family: "IBM Plex Mono", ui-monospace, Menlo, monospace; }
.wrap { max-width: 62rem; margin: 0 auto; padding: 0 1.25rem; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: 1rem 0; border-bottom: 2px solid var(--ink);
}
.logo { font-family: "IBM Plex Mono", monospace; font-weight: 600; font-size: 1rem; letter-spacing: 0.02em; color: var(--ink); text-decoration: none; }
.logo .arrow { color: var(--red); }
.topbar .tg { font-family: "IBM Plex Mono", monospace; font-size: 0.85rem; }

/* ---------- hero ---------- */
.hero { padding: 4rem 0 3rem; }
.eyebrow {
  font-family: "IBM Plex Mono", monospace; font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 1rem;
}
h1 {
  font-size: clamp(1.9rem, 5vw, 3.1rem);
  line-height: 1.15; font-weight: 700; letter-spacing: -0.015em;
  margin: 0 0 1.2rem; max-width: 21ch; text-wrap: balance;
}
h1 em { font-style: normal; color: var(--red); }
.hero .sub { font-size: 1.15rem; max-width: 34rem; margin: 0 0 2rem; }
.hero .sub b { font-weight: 600; }

.btn {
  display: inline-block; background: var(--red); color: #fff;
  font-family: "IBM Plex Sans", sans-serif; font-weight: 600; font-size: 1.05rem;
  padding: 0.9rem 1.6rem; text-decoration: none; border: 2px solid var(--red-dark);
  box-shadow: 3px 3px 0 var(--red-dark);
}
.btn:hover { transform: translate(1px, 1px); box-shadow: 2px 2px 0 var(--red-dark); }
.btn-note { display: block; margin-top: 0.7rem; font-size: 0.85rem; color: var(--muted); }

/* dialogue ticket */
.ticket {
  margin-top: 3rem; background: var(--card); border: 1.5px solid var(--ink);
  box-shadow: 5px 5px 0 rgba(27,30,36,0.12); max-width: 36rem;
}
.ticket-head {
  display: flex; justify-content: space-between; padding: 0.5rem 1rem;
  border-bottom: 1.5px solid var(--ink);
  font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.ticket-row { display: flex; gap: 1rem; padding: 0.8rem 1rem; border-bottom: 1px dashed var(--line); }
.ticket-row:last-child { border-bottom: none; }
.ticket-time { font-family: "IBM Plex Mono", monospace; font-size: 0.85rem; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.ticket-row.agent .ticket-time { color: var(--red); font-weight: 600; }
.ticket-msg { font-size: 0.95rem; }
.ticket-msg .who { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); display: block; }

/* ---------- sections ---------- */
section { padding: 3.2rem 0; border-top: 2px solid var(--ink); }
.sec-label {
  font-family: "IBM Plex Mono", monospace; font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 0.6rem;
}
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); line-height: 1.2; margin: 0 0 1.4rem; letter-spacing: -0.01em; text-wrap: balance; }
h3 { font-size: 1.15rem; margin: 0 0 0.5rem; }
.lead { font-size: 1.08rem; max-width: 38rem; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2rem; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--card); border: 1.5px solid var(--ink); padding: 1.3rem 1.3rem 1.5rem; }
.step .n {
  font-family: "IBM Plex Mono", monospace; font-size: 0.78rem; color: #fff;
  background: var(--ink); display: inline-block; padding: 0.15rem 0.6rem; margin-bottom: 0.9rem;
}
.step p { margin: 0.4rem 0 0; font-size: 0.95rem; }
.step .free { color: var(--green); font-weight: 600; }

/* status legend + marks */
.status { font-family: "IBM Plex Mono", monospace; font-size: 0.75rem; padding: 0.15rem 0.5rem; border: 1px solid; border-radius: 3px; white-space: nowrap; }
.status.fact { color: var(--green); border-color: var(--green); }
.status.hypo { color: var(--amber); border-color: var(--amber); }
.status.plan { color: var(--muted); border-color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 0.8rem 1.4rem; margin-top: 1.6rem; font-size: 0.85rem; color: var(--muted); align-items: center; }

/* numbers block */
.numbers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2rem; }
@media (max-width: 760px) { .numbers { grid-template-columns: 1fr; } }
.num-card { background: var(--card); border: 1.5px solid var(--ink); padding: 1.3rem; display: flex; flex-direction: column; gap: 0.5rem; }
.num-card .value { font-family: "IBM Plex Mono", monospace; font-size: 2rem; font-weight: 600; line-height: 1.1; color: var(--ink); font-variant-numeric: tabular-nums; }
.num-card .value small { font-size: 1rem; font-weight: 400; color: var(--muted); }
.num-card .desc { font-size: 0.92rem; margin: 0; }
.num-card .st { margin-top: auto; }
.num-card.planned { border-style: dashed; background: transparent; }

/* agent cards */
.agents { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2rem; }
@media (max-width: 860px) { .agents { grid-template-columns: 1fr; } }
.agent { background: var(--card); border: 1.5px solid var(--ink); padding: 1.3rem; display: flex; flex-direction: column; gap: 0.6rem; }
.agent .name { font-family: "IBM Plex Mono", monospace; font-weight: 600; font-size: 1rem; }
.agent .for { font-size: 0.8rem; color: var(--muted); font-family: "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: 0.06em; }
.agent p { margin: 0; font-size: 0.93rem; }
.agent .foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; padding-top: 0.8rem; }
.agent .try { font-size: 0.88rem; font-weight: 600; }
.screencast-slot {
  border: 1.5px dashed var(--line); padding: 0.6rem 0.8rem; font-size: 0.8rem; color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
}
.track-record { margin-top: 1.8rem; font-size: 0.92rem; color: var(--muted); max-width: 42rem; }

/* failure block */
.fail-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2rem; margin-top: 1.6rem; align-items: start; }
@media (max-width: 820px) { .fail-wrap { grid-template-columns: 1fr; } }
.fail-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.fail-list li { background: var(--card); border: 1.5px solid var(--ink); border-left: 5px solid var(--red); padding: 1rem 1.2rem; font-size: 0.97rem; }
.fail-list b { display: block; margin-bottom: 0.2rem; }

/* price */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; margin-top: 2rem; }
@media (max-width: 760px) { .price-grid { grid-template-columns: 1fr; } }
.price-card { background: var(--card); border: 1.5px solid var(--ink); padding: 1.4rem; }
.price-card.now { border-width: 2.5px; box-shadow: 5px 5px 0 rgba(196,55,43,0.18); }
.price-card .tag { font-family: "IBM Plex Mono", monospace; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--red); }
.price-card .big { font-size: 1.9rem; font-weight: 700; margin: 0.4rem 0 0.8rem; font-variant-numeric: tabular-nums; }
.price-card ul { margin: 0; padding-left: 1.15rem; font-size: 0.95rem; }
.price-card li { margin: 0.4rem 0; }

/* access + security */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 1.6rem; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; } }
.plain-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
.plain-list li { padding-left: 1.7rem; position: relative; font-size: 0.97rem; }
.plain-list li::before { content: "→"; position: absolute; left: 0; color: var(--red); font-family: "IBM Plex Mono", monospace; }
.plain-list.no li::before { content: "✕"; color: var(--muted); }
.col-title { font-family: "IBM Plex Mono", monospace; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1rem; }
.col-title.need { color: var(--green); }
.col-title.not-need { color: var(--muted); }

/* who */
.who-wrap { display: grid; grid-template-columns: auto 1fr; gap: 2rem; margin-top: 1.6rem; align-items: start; }
@media (max-width: 700px) { .who-wrap { grid-template-columns: 1fr; } }
.monogram {
  width: 108px; height: 108px; border: 2px solid var(--ink); background: var(--card);
  display: flex; align-items: center; justify-content: center;
  font-family: "IBM Plex Mono", monospace; font-size: 2rem; font-weight: 600; color: var(--blue);
}
.who-facts { margin: 1rem 0 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.95rem; }
.who-facts li { padding-left: 1.5rem; position: relative; }
.who-facts li::before { content: "·"; position: absolute; left: 0.3rem; color: var(--red); font-weight: 700; }

/* proof block */
.proof-head { margin: 2.8rem 0 0.5rem; }
.proof-intro { font-size: 0.97rem; color: var(--muted); max-width: 44rem; margin: 0 0 1.6rem; }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
@media (max-width: 900px) { .proof-grid { grid-template-columns: 1fr; } }
.proof-card { background: var(--card); border: 1.5px solid var(--ink); padding: 1.3rem; display: flex; flex-direction: column; gap: 0.8rem; }
.proof-card .for { font-size: 0.8rem; color: var(--muted); font-family: "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: 0.06em; }
.proof-card p { margin: 0; font-size: 0.93rem; }
.proof-card .st { margin-top: auto; padding-top: 0.4rem; }
.proof-list { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 0.9rem; }
.proof-list > li { border-left: 3px solid var(--line); padding-left: 0.8rem; }
.proof-list .item-name { display: block; font-weight: 600; font-size: 0.95rem; }
.proof-list .item-what { display: block; font-size: 0.87rem; color: var(--muted); margin-bottom: 0.25rem; }
.links { display: flex; flex-wrap: wrap; gap: 0.2rem 0.9rem; font-family: "IBM Plex Mono", monospace; font-size: 0.82rem; }
.links a { white-space: nowrap; }

/* faq */
details { background: var(--card); border: 1.5px solid var(--ink); margin-top: 0.9rem; }
summary { padding: 1rem 1.2rem; font-weight: 600; cursor: pointer; font-size: 1rem; }
details p { margin: 0; padding: 0 1.2rem 1.1rem; font-size: 0.95rem; }

/* final cta */
.final { text-align: left; padding: 3.5rem 0 3rem; }
.final .btn { font-size: 1.15rem; }
.contact-lines { margin-top: 1.6rem; font-family: "IBM Plex Mono", monospace; font-size: 0.92rem; display: flex; flex-direction: column; gap: 0.3rem; }

footer { border-top: 2px solid var(--ink); padding: 1.4rem 0 2.5rem; font-size: 0.83rem; color: var(--muted); }
footer .mono { font-size: 0.78rem; }

/* ---------- language switcher ---------- */
.topbar-right { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; justify-content: flex-end; }
.langs {
  display: flex; align-items: center; gap: 0.45rem;
  font-family: "IBM Plex Mono", monospace; font-size: 0.85rem;
}
.langs a, .langs span[aria-current] { padding: 0.1rem 0.35rem; text-decoration: none; border: 1px solid transparent; }
.langs a { color: var(--blue); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.langs a:hover { background: var(--card); }
.langs [aria-current="true"] { color: var(--ink); font-weight: 600; border-color: var(--ink); background: var(--card); }
.langs .sep { color: var(--line); border: none; padding: 0; }
@media (max-width: 520px) {
  .topbar { flex-wrap: wrap; gap: 0.6rem; }
  .topbar-right { width: 100%; justify-content: space-between; }
}