/* ============================================================
   Bolex · Asistente IA de la asesoría Xponencial — Hotel Tockolen
   Rediseño: asistente protagonista, orbe animado, voz.
   Construido sobre el sistema de marca Xponencial.
   ============================================================ */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.xp {
  font-size: 15px;
  background:
    radial-gradient(1100px 500px at 85% -10%, rgba(197,226,235,.55), rgba(197,226,235,0) 60%),
    radial-gradient(900px 480px at -10% 100%, rgba(234,244,247,.9), rgba(234,244,247,0) 55%),
    #fff;
  min-height: 100vh;
}

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }

/* ============================================================
   ORBE — identidad visual de Bolex
   ============================================================ */
.orb { position: relative; flex: none; }
.orb .orb-core {
  width: 100%; height: 100%; border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,.95), rgba(255,255,255,0) 30%),
    radial-gradient(circle at 70% 75%, rgba(197,226,235,.9) 0%, rgba(197,226,235,0) 45%),
    radial-gradient(circle at 50% 50%, #55AFC6 0%, #3898B0 55%, #2A788C 82%, #1E5A6C 100%);
  box-shadow:
    0 10px 34px rgba(56,152,176,.42),
    inset 0 -10px 24px rgba(20,70,85,.32),
    inset 0 6px 14px rgba(255,255,255,.28);
  animation: orb-float 5.5s ease-in-out infinite;
}
.orb::before { /* halo */
  content: ""; position: absolute; inset: -18%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,152,176,.28) 0%, rgba(56,152,176,0) 65%);
  animation: orb-halo 5.5s ease-in-out infinite;
  pointer-events: none;
}
.orb-lg { width: 168px; height: 168px; margin: 0 auto; }
.orb-sm { width: 84px;  height: 84px;  margin: 0 auto 18px; }
.orb-xs { width: 34px;  height: 34px; }
.orb-xs .orb-core { animation-duration: 7s; }

/* Anillos de voz (visibles al hablar) */
.orb-rings { position: absolute; inset: 0; border-radius: 50%; pointer-events: none; }
.orb-rings::before, .orb-rings::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid rgba(56,152,176,.45); opacity: 0; transform: scale(1);
}
.speaking .orb-rings::before { animation: ring 1.6s ease-out infinite; }
.speaking .orb-rings::after  { animation: ring 1.6s ease-out .8s infinite; }
.speaking .orb-core { animation: orb-speak .9s ease-in-out infinite; }
.thinking .orb-core { animation: orb-think 1.15s ease-in-out infinite; }
.thinking::before   { animation: orb-halo 1.15s ease-in-out infinite; }

@keyframes orb-float { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-7px) scale(1.015); } }
@keyframes orb-halo  { 0%,100% { opacity: .75; transform: scale(1); } 50% { opacity: 1; transform: scale(1.07); } }
@keyframes orb-think { 0%,100% { transform: scale(1); } 50% { transform: scale(.94); } }
@keyframes orb-speak { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes ring { 0% { opacity: .7; transform: scale(1); } 100% { opacity: 0; transform: scale(1.55); } }

@media (prefers-reduced-motion: reduce) {
  .orb .orb-core, .orb::before, .orb-rings::before, .orb-rings::after { animation: none !important; }
}

/* ============================================================
   ACCESO
   ============================================================ */
#gate {
  position: fixed; inset: 0; z-index: 100;
  background:
    radial-gradient(900px 500px at 70% 20%, rgba(197,226,235,.6), rgba(197,226,235,0) 60%),
    linear-gradient(165deg, #F4FAFC 0%, #fff 70%);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.gate-card {
  background: rgba(255,255,255,.85); backdrop-filter: blur(14px);
  border: 1px solid rgba(197,226,235,.7); border-radius: 20px;
  padding: 44px 40px 30px; width: 100%; max-width: 420px; text-align: center;
  box-shadow: 0 24px 70px rgba(42,120,140,.14);
}
.gate-card .brandline { font-size: 2.2rem; font-weight: 800; color: var(--xp-negro); letter-spacing: -.03em; }
.gate-card .brandline b { color: var(--xp-turquesa); }
.gate-card p { color: var(--xp-gris-corp); font-size: .86rem; margin: 8px 0 26px; line-height: 1.5; }
.gate-card input {
  width: 100%; padding: 13px 16px; font-family: var(--xp-font); font-size: 1rem;
  border: 1px solid var(--xp-gris-claro); border-radius: 12px; margin-bottom: 14px;
  background: #fff; transition: border-color .15s, box-shadow .15s;
}
.gate-card input:focus { outline: none; border-color: var(--xp-turquesa); box-shadow: 0 0 0 4px rgba(56,152,176,.14); }
.gate-card .xp-btn-primario { width: 100%; border-radius: 12px; padding: 13px 24px; }
.gate-error { color: var(--xp-rojo); font-size: .82rem; min-height: 18px; margin-top: 10px; }
.gate-foot { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--xp-gris-pale); }
.gate-foot img { height: 20px; opacity: .85; }

/* ============================================================
   BARRA SUPERIOR
   ============================================================ */
header.topbar {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,.78); backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(197,226,235,.55);
}
.topbar .wrap { display: flex; align-items: center; gap: 14px; height: 62px; }
.topbar .product { font-weight: 800; font-size: 1.2rem; color: var(--xp-negro); letter-spacing: -.02em; }
.topbar .product b { color: var(--xp-turquesa); }
.topbar nav { margin-left: auto; display: flex; gap: 4px; align-items: center; flex-wrap: wrap; }
.topbar nav a {
  font-weight: 500; font-size: .9rem; color: var(--xp-gris-oscuro);
  padding: 8px 14px; border-radius: 100px; cursor: pointer; transition: background .15s, color .15s;
}
.topbar nav a:hover { background: var(--xp-gris-pale); color: var(--xp-negro); }
.topbar nav a.active { color: #fff; background: var(--xp-turquesa); }
.topbar nav a.admin-link { font-size: 1.05rem; padding: 8px 11px; color: var(--xp-gris-corp); }
.topbar nav a.admin-link:hover { color: var(--xp-turquesa-profundo); background: var(--xp-turquesa-pale); }

.menu-btn { display: none; margin-left: auto; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-btn span { display: block; width: 22px; height: 2px; background: var(--xp-negro); margin: 4px 0; border-radius: 2px; }

/* ============================================================
   VISTAS
   ============================================================ */
.view { display: none; }
.view.active { display: block; animation: fade .28s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
section.block { padding: 44px 0; }
section.alt { background: linear-gradient(180deg, rgba(242,242,242,.0), rgba(242,242,242,.75) 30%); }
.eyebrow { font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--xp-turquesa); }
h2.sec { font-weight: 300; font-size: 2rem; color: var(--xp-negro); margin: .3em 0 .1em; }
h2.sec b { font-weight: 700; color: var(--xp-turquesa); }
.acc { width: 60px; height: 3px; background: var(--xp-turquesa); border: none; margin: 14px 0 26px; border-radius: 3px; }
.lead { color: var(--xp-gris-oscuro); max-width: 780px; font-size: 1.02rem; }

/* ============================================================
   ESCENARIO DEL ASISTENTE (vista principal)
   ============================================================ */
.assistant-stage {
  max-width: 860px; margin: 0 auto; padding: 0 20px;
  min-height: calc(100vh - 62px);
  display: flex; flex-direction: column;
}
.stage-intro { text-align: center; padding: 54px 0 8px; }
.stage-intro.compact { padding: 18px 0 0; }
.stage-intro.compact .orb-lg { width: 64px; height: 64px; }
.stage-intro.compact .stage-title, .stage-intro.compact .stage-sub, .stage-intro.compact .suggestions { display: none; }
.stage-title { font-weight: 300; font-size: 2.6rem; letter-spacing: -.02em; color: var(--xp-negro); margin: 26px 0 10px; }
.stage-title b { font-weight: 800; color: var(--xp-turquesa); }
.stage-sub { color: var(--xp-gris-corp); font-size: 1.02rem; line-height: 1.6; margin: 0 auto; max-width: 560px; }

.suggestions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 28px 0 8px; }
.suggestions button {
  font-family: var(--xp-font); font-size: .85rem; color: var(--xp-turquesa-profundo);
  background: rgba(234,244,247,.8); border: 1px solid var(--xp-turquesa-claro);
  border-radius: 100px; padding: 9px 16px; cursor: pointer; transition: all .15s;
}
.suggestions button:hover { background: var(--xp-turquesa-claro); transform: translateY(-1px); }

.chat-log { flex: 1; overflow-y: auto; padding: 18px 4px 24px; }
.msg { display: flex; gap: 14px; margin: 18px 0; animation: fade .25s ease; }
.msg .av {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  display: grid; place-items: center; font-size: .78rem; font-weight: 700;
}
.msg.user .av { background: var(--xp-gris-pale); color: var(--xp-gris-oscuro); }
.msg.bot .av { padding: 0; overflow: visible; }
.msg .bubble {
  font-size: .95rem; line-height: 1.6; color: var(--xp-gris-oscuro);
  max-width: 700px; padding-top: 5px;
}
.msg.user .bubble {
  background: var(--xp-turquesa-pale); color: var(--xp-negro);
  border-radius: 16px 16px 16px 4px; padding: 12px 16px;
}
.msg .bubble p { margin: 0 0 9px; } .msg .bubble p:last-child { margin: 0; }
.msg .bubble ul, .msg .bubble ol { margin: 6px 0; padding-left: 20px; }
.msg .bubble li { margin: 4px 0; }
.msg .bubble strong { color: var(--xp-negro); }
.msg .src { font-size: .72rem; color: var(--xp-gris-corp); margin-top: 10px; }
.msg .src b { color: var(--xp-turquesa-profundo); font-weight: 600; }
.msg .replay {
  display: inline-flex; align-items: center; gap: 5px; margin-top: 8px;
  background: none; border: 1px solid var(--xp-turquesa-claro); color: var(--xp-turquesa-profundo);
  border-radius: 100px; padding: 4px 12px; font-size: .74rem; font-family: var(--xp-font); cursor: pointer;
}
.msg .replay:hover { background: var(--xp-turquesa-pale); }
.typing span { display: inline-block; width: 7px; height: 7px; margin-right: 4px; border-radius: 50%; background: var(--xp-turquesa); animation: blink 1s infinite; }
.typing span:nth-child(2){ animation-delay: .2s; } .typing span:nth-child(3){ animation-delay: .4s; }
@keyframes blink { 0%,60%,100%{ opacity: .25; } 30%{ opacity: 1; } }

/* Compositor */
.composer-dock { position: sticky; bottom: 0; padding: 10px 0 8px; background: linear-gradient(180deg, rgba(255,255,255,0), #fff 40%); }
.composer {
  display: flex; gap: 8px; align-items: flex-end;
  border: 1px solid rgba(191,191,191,.55); border-radius: 18px; padding: 8px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  box-shadow: 0 10px 36px rgba(42,120,140,.12);
  transition: border-color .15s, box-shadow .15s;
}
.composer:focus-within { border-color: var(--xp-turquesa); box-shadow: 0 10px 36px rgba(56,152,176,.2); }
.composer textarea {
  flex: 1; resize: none; font-family: var(--xp-font); font-size: .98rem; line-height: 1.5;
  border: none; padding: 10px 6px; max-height: 150px; background: transparent;
}
.composer textarea:focus { outline: none; }
.tool-btn {
  border: none; background: transparent; color: var(--xp-gris-corp);
  width: 42px; height: 42px; border-radius: 12px; cursor: pointer; flex: none;
  display: grid; place-items: center; transition: all .15s;
}
.tool-btn:hover { background: var(--xp-turquesa-pale); color: var(--xp-turquesa-profundo); }
.tool-btn.rec { background: var(--xp-rojo); color: #fff; animation: pulse-rec 1.2s ease-in-out infinite; }
.tool-btn.off { color: var(--xp-gris-claro); }
@keyframes pulse-rec { 0%,100% { box-shadow: 0 0 0 0 rgba(216,80,80,.4); } 50% { box-shadow: 0 0 0 8px rgba(216,80,80,0); } }
.composer .send {
  border: none; background: var(--xp-turquesa); color: #fff; border-radius: 12px;
  width: 42px; height: 42px; cursor: pointer; flex: none; display: grid; place-items: center;
  transition: background .15s, transform .1s;
}
.composer .send:hover { background: var(--xp-turquesa-profundo); transform: scale(1.04); }
.composer .send:disabled { background: var(--xp-gris-claro); cursor: default; transform: none; }
.disclaimer { font-size: .72rem; color: var(--xp-gris-corp); text-align: center; padding: 8px 0 6px; }

/* ============================================================
   PANEL (KPIs, tarjetas, etc.)
   ============================================================ */
.hero { background: linear-gradient(175deg, rgba(234,244,247,.85) 0%, rgba(255,255,255,0) 75%); padding: 56px 0 40px; }
.hero h1 { font-weight: 300; font-size: 2.6rem; line-height: 1.12; color: var(--xp-negro); margin: 10px 0 16px; letter-spacing: -.01em; }
.hero h1 b { font-weight: 700; color: var(--xp-turquesa); }
.hero .lead { font-size: 1.06rem; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.kpi {
  background: rgba(255,255,255,.9); border: 1px solid rgba(197,226,235,.6);
  border-radius: 16px; padding: 20px 20px 18px;
  box-shadow: 0 6px 24px rgba(42,120,140,.07);
  position: relative; overflow: hidden;
}
.kpi::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--xp-turquesa); border-radius: 4px 0 0 4px; }
.kpi.k-alert::after { background: var(--xp-rojo); }
.kpi.k-ok::after { background: var(--xp-verde); }
.kpi .n { font-weight: 800; font-size: 2.4rem; color: var(--xp-negro); line-height: 1; font-variant-numeric: tabular-nums; }
.kpi .n small { font-size: 1.1rem; color: var(--xp-gris-corp); font-weight: 600; }
.kpi .l { font-size: .68rem; letter-spacing: .13em; text-transform: uppercase; color: var(--xp-gris-corp); margin-top: 9px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.pcard {
  background: rgba(255,255,255,.92); border: 1px solid rgba(197,226,235,.55); border-radius: 16px; padding: 20px;
  cursor: pointer; transition: box-shadow .18s, transform .18s, border-color .18s; text-align: left;
  display: flex; flex-direction: column; gap: 10px; min-height: 160px; font-family: var(--xp-font);
}
.pcard:hover { box-shadow: 0 14px 38px rgba(42,120,140,.14); transform: translateY(-3px); border-color: var(--xp-turquesa-claro); }
.pcard .top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.pcard .num { font-size: .7rem; font-weight: 700; color: var(--xp-turquesa); letter-spacing: .1em; }
.pcard h3 { font-size: 1.02rem; font-weight: 600; color: var(--xp-negro); margin: 2px 0 0; line-height: 1.25; }
.pcard .resumen { font-size: .82rem; color: var(--xp-gris-oscuro); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.chip { font-size: .68rem; font-weight: 600; padding: 3px 10px; border-radius: 20px; white-space: nowrap; letter-spacing: .02em; }
.chip.en_curso   { background: var(--xp-turquesa-pale); color: var(--xp-turquesa-profundo); }
.chip.completado { background: #E7F3E6; color: #3F7A3B; }
.chip.en_riesgo  { background: #FBE7E7; color: #B23B3B; }
.chip.pausado, .chip.no_iniciado { background: var(--xp-gris-pale); color: var(--xp-gris-corp); }

.bar { height: 7px; background: var(--xp-gris-pale); border-radius: 20px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--xp-turquesa-medio), var(--xp-turquesa)); border-radius: 20px; transition: width .5s ease; }
.bar.riesgo > i { background: var(--xp-rojo); }
.bar.ok > i { background: var(--xp-verde); }
.pcard .foot { display: flex; align-items: center; justify-content: space-between; font-size: .74rem; color: var(--xp-gris-corp); }
.pcard .pct { font-weight: 700; color: var(--xp-negro); font-variant-numeric: tabular-nums; }

.callout { background: var(--xp-turquesa-pale); border-left: 3px solid var(--xp-turquesa); padding: 18px 22px; border-radius: 4px 14px 14px 4px; margin-top: 8px; }
.callout.warn { background: #FDF3F3; border-left-color: var(--xp-rojo); }
.callout h4 { margin: 0 0 8px; font-size: .95rem; color: var(--xp-negro); font-weight: 600; }
.callout ul { margin: 0; padding-left: 18px; }
.callout li { font-size: .86rem; margin: 5px 0; color: var(--xp-gris-oscuro); }

.timeline { border-left: 2px solid var(--xp-turquesa-claro); margin-left: 8px; padding-left: 22px; }
.tl-item { position: relative; padding-bottom: 22px; }
.tl-item::before { content: ""; position: absolute; left: -30px; top: 3px; width: 12px; height: 12px; border-radius: 50%; background: var(--xp-turquesa); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--xp-turquesa-claro); }
.tl-item .date { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--xp-turquesa-profundo); }
.tl-item .txt { font-size: .9rem; color: var(--xp-gris-oscuro); margin-top: 3px; }

.rows { display: flex; flex-direction: column; gap: 10px; }
.rows-empty { font-size: .85rem; color: var(--xp-gris-corp); padding: 14px 4px; }
.row {
  display: flex; align-items: center; gap: 16px; background: rgba(255,255,255,.92);
  border: 1px solid rgba(197,226,235,.5); border-radius: 14px; padding: 14px 18px;
  transition: box-shadow .15s;
}
.row:hover { box-shadow: 0 8px 24px rgba(42,120,140,.08); }
.row .badge { font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--xp-turquesa-profundo); background: var(--xp-turquesa-pale); padding: 4px 10px; border-radius: 100px; white-space: nowrap; }
.row .info { flex: 1; }
.row .info .t { font-weight: 600; color: var(--xp-negro); font-size: .95rem; }
.row .info .n { font-size: .78rem; color: var(--xp-gris-corp); margin-top: 2px; }
.row .actions { display: flex; gap: 8px; }
.row .actions a, .row .actions button { font-size: .82rem; padding: 7px 14px; border-radius: 100px; }

/* ============================================================
   MODAL
   ============================================================ */
#modal { position: fixed; inset: 0; z-index: 80; display: none; }
#modal.open { display: block; }
#modal .backdrop { position: absolute; inset: 0; background: rgba(31,31,31,.44); backdrop-filter: blur(2px); }
#modal .panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(620px, 100%);
  background: #fff; box-shadow: -12px 0 40px rgba(0,0,0,.16); overflow-y: auto;
  animation: slidein .24s ease; border-radius: 20px 0 0 20px;
}
@keyframes slidein { from { transform: translateX(40px); opacity: .5; } to { transform: none; opacity: 1; } }
#modal .phead { padding: 26px 30px 18px; border-bottom: 1px solid var(--xp-gris-pale); position: sticky; top: 0; background: rgba(255,255,255,.94); backdrop-filter: blur(8px); border-radius: 20px 0 0 0; }
#modal .pbody { padding: 22px 30px 50px; }
#modal .close { position: absolute; top: 18px; right: 22px; background: var(--xp-gris-pale); border: none; font-size: 1.3rem; color: var(--xp-gris-oscuro); cursor: pointer; line-height: 1; width: 34px; height: 34px; border-radius: 50%; z-index: 2; }
#modal h3 { font-size: 1.35rem; font-weight: 700; color: var(--xp-negro); margin: 8px 0 0; padding-right: 40px; }
#modal .mrow { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
#modal .pbody h5 { font-size: .74rem; letter-spacing: .13em; text-transform: uppercase; color: var(--xp-turquesa); margin: 26px 0 10px; }
#modal .pbody p { font-size: .92rem; }
#modal .pbody ul { padding-left: 18px; } #modal .pbody li { font-size: .88rem; margin: 6px 0; }

/* ============================================================
   PIE
   ============================================================ */
footer.site { background: var(--xp-negro); color: #cfcfcf; padding: 30px 0; margin-top: 20px; }
footer.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
footer.site img { height: 22px; }
footer.site .meta { font-size: .78rem; color: #9a9a9a; text-align: right; }

/* ============================================================
   ADMIN
   ============================================================ */
.admin-wrap { max-width: 760px; margin: 0 auto; padding: 40px 24px 80px; }
.admin-head { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.admin-head .orb-sm { margin: 0; width: 56px; height: 56px; }
.admin-head h1 { font-weight: 300; font-size: 1.9rem; margin: 0; color: var(--xp-negro); }
.admin-head h1 b { font-weight: 800; color: var(--xp-turquesa); }
.admin-card {
  background: rgba(255,255,255,.92); border: 1px solid rgba(197,226,235,.6);
  border-radius: 18px; padding: 26px; margin-top: 22px;
  box-shadow: 0 8px 30px rgba(42,120,140,.08);
}
.admin-card h2 { font-size: 1.05rem; font-weight: 700; color: var(--xp-negro); margin: 0 0 16px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .78rem; font-weight: 600; color: var(--xp-gris-oscuro); margin-bottom: 6px; }
.field input[type="text"], .field input[type="password"], .field select {
  width: 100%; padding: 11px 14px; font-family: var(--xp-font); font-size: .95rem;
  border: 1px solid var(--xp-gris-claro); border-radius: 10px; background: #fff;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--xp-turquesa); box-shadow: 0 0 0 3px rgba(56,152,176,.13); }
.drop {
  border: 2px dashed var(--xp-turquesa-claro); border-radius: 14px; padding: 34px 20px;
  text-align: center; color: var(--xp-gris-corp); font-size: .9rem; cursor: pointer;
  transition: all .15s; background: rgba(234,244,247,.35);
}
.drop:hover, .drop.over { border-color: var(--xp-turquesa); background: var(--xp-turquesa-pale); color: var(--xp-turquesa-profundo); }
.drop b { color: var(--xp-turquesa-profundo); }
.progress { height: 8px; background: var(--xp-gris-pale); border-radius: 20px; overflow: hidden; margin-top: 14px; }
.progress > i { display: block; height: 100%; width: 0; background: var(--xp-turquesa); border-radius: 20px; transition: width .3s; }
.admin-msg { font-size: .85rem; margin-top: 12px; min-height: 20px; }
.admin-msg.ok { color: #3F7A3B; } .admin-msg.err { color: var(--xp-rojo); }
.back-link { font-size: .85rem; color: var(--xp-turquesa-profundo); text-decoration: none; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 660px) {
  .topbar nav { display: none; position: absolute; top: 62px; left: 0; right: 0; background: rgba(255,255,255,.97); backdrop-filter: blur(10px); flex-direction: column; align-items: stretch; padding: 10px 16px 16px; border-bottom: 1px solid var(--xp-gris-pale); box-shadow: 0 14px 26px rgba(0,0,0,.08); }
  .topbar nav.show { display: flex; }
  .topbar nav a { border-radius: 10px; text-align: center; }
  .menu-btn { display: block; }
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .stage-title { font-size: 2rem; }
  .orb-lg { width: 128px; height: 128px; }
  .msg .bubble { max-width: 100%; }
}