/* Sitio público y centro de ayuda MySignage (3-oct-2026). Sin dependencias. */
:root { --bg: #0b0f1a; --card: #121a2e; --card2: #0d1424; --line: rgba(255,255,255,.12); --text: #eef2ff; --muted: #9fb0d0; --accent: #2f6df6; --ok: #39d98a; --err: #ff6b6b; }
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; line-height: 1.5; }
a { color: var(--text); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.top { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; max-width: 1040px; margin: 0 auto; }
.brand { font-size: 13px; letter-spacing: .3em; text-transform: uppercase; color: var(--muted); text-decoration: none; font-weight: 600; }
.top nav { display: flex; gap: 6px; align-items: center; }
.top nav a { text-decoration: none; color: var(--muted); padding: 8px 12px; border-radius: 10px; }
.top nav a.cta, .btn { background: var(--accent); color: #fff; font-weight: 600; padding: 10px 18px; border-radius: 10px; text-decoration: none; display: inline-block; border: 0; font: inherit; cursor: pointer; }
.btn.ghost { background: var(--card); border: 1px solid var(--line); }
.hero { padding: 72px 0 48px; text-align: center; background: radial-gradient(ellipse at 50% 0%, #16213a 0%, var(--bg) 70%); }
.hero h1 { font-size: clamp(32px, 5vw, 54px); line-height: 1.1; margin: 0 auto 16px; max-width: 820px; }
.hero p { color: var(--muted); font-size: 19px; max-width: 640px; margin: 0 auto 28px; }
.hero .actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.hero .fine { color: var(--muted); font-size: 13px; margin-top: 12px; }
section.block { padding: 56px 0; }
section.block h2 { font-size: 30px; margin: 0 0 8px; text-align: center; }
section.block > .wrap > p.lead { text-align: center; color: var(--muted); margin: 0 auto 32px; max-width: 640px; }
.steps, .feats, .devices { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card .n { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; font-weight: 700; margin-bottom: 12px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; max-width: 760px; margin: 0 auto; }
.plan { text-align: center; }
.plan.pro { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.plan .price { font-size: 44px; font-weight: 800; margin: 8px 0 0; }
.plan .price small { font-size: 15px; color: var(--muted); font-weight: 500; }
.plan .price.tbd { font-size: 22px; font-weight: 600; margin-top: 18px; }
.plan ul { list-style: none; padding: 0; margin: 18px 0 22px; color: var(--muted); text-align: left; }
.plan li { padding: 6px 0; border-top: 1px solid var(--line); }
.plan li:first-child { border-top: 0; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { color: var(--muted); margin: 10px 0 0; }
.foot { max-width: 1040px; margin: 0 auto; padding: 32px 20px; color: var(--muted); font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); }
.foot a { color: var(--muted); }
.muted { color: var(--muted); }
/* centro de ayuda */
.help-wrap { display: grid; grid-template-columns: 1fr 340px; gap: 24px; padding: 24px 20px 64px; }
.help-main h1 { margin: 0 0 14px; }
#q, .chat input, .chat textarea { width: 100%; font: inherit; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--card2); color: var(--text); }
.arts { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.art { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 18px; text-decoration: none; display: block; }
.art span { display: block; color: var(--muted); font-size: 14px; margin-top: 2px; }
.art:hover { border-color: var(--accent); }
#article p { color: #d6deef; } #article .back { color: var(--muted); font-size: 14px; text-decoration: none; }
.chat h2 { margin: 0 0 6px; font-size: 18px; } .chat h3 { margin: 14px 0 4px; font-size: 15px; }
.chat-log { display: flex; flex-direction: column; gap: 8px; max-height: 50vh; overflow: auto; margin: 10px 0; }
.chat-log:empty { display: none; }
.m { padding: 10px 12px; border-radius: 12px; font-size: 14px; max-width: 95%; }
.m p { margin: 0 0 6px; } .m p:last-child { margin: 0; }
.m.user { background: var(--accent); align-self: flex-end; } .m.assistant { background: var(--card2); align-self: flex-start; } .m.wait { color: var(--muted); }
#chat-form { display: flex; gap: 6px; } #chat-form button, .chat form button[type=submit] { font: inherit; font-weight: 600; padding: 10px 14px; border: 0; border-radius: 10px; background: var(--accent); color: #fff; cursor: pointer; }
button.link { background: none; border: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font: inherit; font-size: 14px; padding: 10px 0 0; }
.chat label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
.chat .msg { display: none; margin-top: 10px; padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.chat .msg.ok { display: block; background: rgba(57,217,138,.12); color: var(--ok); } .chat .msg.err { display: block; background: rgba(255,107,107,.12); color: var(--err); }
@media (max-width: 820px) { .help-wrap { grid-template-columns: 1fr; } .top nav a:not(.cta) { display: none; } }

/* comparación, nichos, legales (etapa 3) */
.cmp { width: 100%; border-collapse: collapse; margin: 8px 0 16px; font-size: 15px; }
.cmp th, .cmp td { text-align: left; padding: 12px 10px; border-top: 1px solid var(--line); vertical-align: top; }
.cmp th { color: var(--muted); font-weight: 600; border-top: 0; }
.cmp td:first-child { color: var(--muted); width: 18%; }
.cmp td:nth-child(2) { background: rgba(47,109,246,.08); }
.small { font-size: 13px; }
a.card { text-decoration: none; display: block; } a.card:hover { border-color: var(--accent); }
.legal h1 { margin: 0 0 8px; } .legal h2 { font-size: 20px; text-align: left; margin: 26px 0 6px; } .legal p, .legal li { color: #d6deef; } .legal ul { padding-left: 20px; }
@media (max-width: 640px) { .cmp { font-size: 13px; } .cmp th, .cmp td { padding: 8px 6px; } }