*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* Accesibilidad */
.skip-link {
  position: absolute; top: -100%; left: 8px;
  background: var(--accent); color: white;
  padding: 8px 16px; border-radius: 0 0 6px 6px;
  font-size: 14px; font-weight: 500; text-decoration: none;
  z-index: 9999; transition: top 0.1s;
}
.skip-link:focus { top: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
:root {
  --bg:#F7F7F5; --surface:#EFEFEB; --surface2:#E8E8E3;
  --text:#18181B; --muted:#71717A; --subtle:#6B6B72;
  --accent:#1B3FD8; --accent-bg:#EEF2FF; --border:#E4E4E7; --radius:6px;
}
/* FIX 1: overflow solo en body, html libre, permite que position:fixed funcione en Safari mobile */
html { height:100%; height:100dvh; }
body { height:100%; height:100dvh; overflow:hidden; background:var(--bg); color:var(--text); font-family:'DM Sans',sans-serif; display:flex; flex-direction:column; }

.topbar { flex-shrink:0; height:48px; display:flex; align-items:center; justify-content:space-between; padding:0 20px; border-bottom:1px solid var(--border); background:var(--bg); position:sticky; top:0; z-index:100; }
.topbar-identity { display:flex; align-items:center; gap:10px; }
.topbar-name { font-size:13px; font-weight:500; color:var(--accent); letter-spacing:-0.01em; text-decoration:none; cursor:pointer; white-space:nowrap; }
.topbar-name:hover { opacity:0.75; }
.topbar-role { font-size:11px; color:var(--muted); font-family:'DM Mono',monospace; white-space:nowrap; }
.topbar-nav { display:flex; align-items:center; gap:4px; }
.topbar-nav a { font-size:12px; color:var(--muted); text-decoration:none; padding:5px 10px; border-radius:var(--radius); transition:background 0.15s,color 0.15s; white-space:nowrap; }
.topbar-nav a:hover { background:var(--accent-bg); color:var(--accent); }
.topbar-nav a.active { background:var(--accent-bg); color:var(--accent); }
.burger { display:none; flex-direction:column; justify-content:center; gap:5px; width:36px; height:36px; cursor:pointer; background:none; border:none; padding:4px; border-radius:var(--radius); transition:background 0.15s; flex-shrink:0; }
.burger:hover { background:var(--surface); }
.burger span { display:block; width:18px; height:1.5px; background:var(--text); border-radius:2px; transition:transform 0.2s,opacity 0.2s; }
.burger.open span:nth-child(1) { transform:translateY(6.5px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity:0; }
.burger.open span:nth-child(3) { transform:translateY(-6.5px) rotate(-45deg); }

/* FIX 1: Mobile nav, z-index:200 por encima de todo, box-shadow para claridad visual */
.mobile-nav { display:none; position:fixed; top:48px; left:0; right:0; background:var(--bg); border-bottom:1px solid var(--border); flex-direction:column; z-index:200; padding:8px 0; box-shadow:0 4px 12px rgba(0,0,0,0.08); }
.mobile-nav.open { display:flex; }
.mobile-nav a { font-size:14px; color:var(--muted); text-decoration:none; padding:14px 20px; transition:color 0.15s,background 0.15s; border-bottom:1px solid var(--border); }
.mobile-nav a:last-child { border-bottom:none; }
.mobile-nav a:hover, .mobile-nav a:active { color:var(--accent); background:var(--accent-bg); }

@media (max-width:768px) {
  .topbar-role { display:none; }
  .topbar-nav { display:none !important; }
  .burger { display:flex; }
}

.chat-wrap { flex:1; display:flex; flex-direction:column; min-height:0; max-width:640px; width:100%; margin:0 auto; padding:0 16px; }
.chat-messages { flex:1; overflow-y:auto; display:flex; flex-direction:column; padding:20px 0 8px; gap:2px; scroll-behavior:smooth; }
.chat-messages::-webkit-scrollbar { width:0; }
.msg { display:flex; flex-direction:column; gap:4px; padding:10px 0; animation:fadeUp 0.2s ease-out; }
.about-cta { display:inline-block; margin-top:28px; font-size:13px; font-weight:400; color:var(--accent); text-decoration:none; border-bottom:1px solid var(--accent); padding-bottom:2px; transition:opacity 0.15s; }
.about-cta:hover { opacity:0.7; }

.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.5); z-index:200; align-items:flex-start; justify-content:center; overflow-y:auto; padding:24px 16px 40px; }
.modal-overlay.open { display:flex; }
.modal { background:var(--bg); width:100%; max-width:720px; border-radius:10px; overflow:hidden; position:relative; margin:auto; animation:modalIn 0.2s ease; }
@keyframes modalIn { from{opacity:0;transform:translateY(12px)} to{opacity:1;transform:translateY(0)} }
.modal-close { position:sticky; top:0; display:flex; align-items:center; justify-content:space-between; padding:16px 24px; background:var(--bg); border-bottom:1px solid var(--border); z-index:10; }
.modal-close-label { font-size:11px; letter-spacing:0.1em; text-transform:uppercase; color:var(--muted); font-family:'DM Mono',monospace; }
.modal-close-btn { width:28px; height:28px; border:1px solid var(--border); border-radius:var(--radius); background:none; cursor:pointer; display:flex; align-items:center; justify-content:center; color:var(--muted); font-size:16px; line-height:1; transition:background 0.15s,color 0.15s; }
.modal-close-btn:hover { background:var(--surface); color:var(--text); }
.modal-hero { padding:36px 40px 28px; border-bottom:1px solid var(--border); }
.modal-tag { font-size:10px; letter-spacing:0.12em; text-transform:uppercase; color:var(--muted); font-family:'DM Mono',monospace; display:block; margin-bottom:14px; }
.modal-hero h2 { font-size:32px; font-weight:400; line-height:1.15; color:var(--text); margin-bottom:16px; }
.modal-hero h2 em { font-style:italic; color:var(--accent); }
.modal-hero p { font-size:15px; line-height:1.7; color:var(--muted); max-width:520px; }
.modal-meta { display:flex; flex-wrap:wrap; gap:16px; margin-top:20px; padding-top:20px; border-top:1px solid var(--border); }
.modal-meta span { font-size:12px; color:var(--muted); }
.modal-meta strong { color:var(--text); }
.modal-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); }
.modal-stat { background:var(--bg); padding:24px 28px; }
.modal-stat-num { font-family:'DM Sans',sans-serif; font-size:32px; font-weight:300; color:var(--text); line-height:1; margin-bottom:6px; letter-spacing:-0.02em; }
.modal-stat-num em { color:var(--accent); font-style:normal; font-weight:300; }
.modal-stat-desc { font-size:12px; color:var(--muted); line-height:1.4; }
.modal-section { display:grid; grid-template-columns:140px 1fr; gap:24px; padding:28px 40px; border-bottom:1px solid var(--border); }
.modal-section-label { font-size:10px; letter-spacing:0.1em; text-transform:uppercase; color:var(--muted); font-family:'DM Mono',monospace; padding-top:3px; line-height:1.6; }
.modal-section p { font-size:14px; line-height:1.75; color:var(--text); }
.modal-section p+p { margin-top:12px; }
.modal-section strong { font-weight:500; }
.modal-quote { padding:28px 40px; background:var(--surface); border-bottom:1px solid var(--border); }
.modal-quote blockquote { font-size:18px; font-style:italic; line-height:1.5; color:var(--text); max-width:560px; }
.modal-quote blockquote em { font-style:normal; color:var(--accent); }
.modal-img { background:var(--surface2); display:flex; align-items:center; justify-content:center; font-size:11px; color:var(--subtle); letter-spacing:0.06em; font-family:'DM Mono',monospace; border-bottom:1px solid var(--border); }
.modal-cta { padding:28px 40px; display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px; }
.modal-cta p { font-size:13px; color:var(--muted); max-width:380px; }
.modal-cta-link { font-size:13px; font-weight:500; color:var(--accent); text-decoration:none; border-bottom:1px solid var(--accent); padding-bottom:1px; white-space:nowrap; }
.modal-team { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--border); }
.modal-team-col { background:var(--bg); padding:20px 24px; display:flex; flex-direction:column; gap:4px; }
.modal-team-col-label { font-size:10px; letter-spacing:0.1em; text-transform:uppercase; color:var(--muted); font-family:'DM Mono',monospace; margin-bottom:6px; }
.modal-team-col span { font-size:12px; color:var(--text); line-height:1.5; }
@media (max-width:600px) {
  .modal-stats,.modal-team { grid-template-columns:1fr; }
  .modal-section { grid-template-columns:1fr; gap:8px; }
  .modal-hero,.modal-section,.modal-quote,.modal-cta { padding:20px; }
}
@keyframes fadeUp { from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:translateY(0)} }

.msg.ai .msg-header { display:flex; align-items:center; gap:8px; margin-bottom:2px; }
.msg-avatar { width:20px; height:20px; border-radius:50%; background:var(--accent); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.msg-avatar span { font-size:8px; color:white; font-weight:500; }
.msg-sender { font-size:11px; font-weight:500; color:var(--text); font-family:'DM Mono',monospace; letter-spacing:0.01em; }
.msg-sender .ctx { font-weight:300; color:var(--muted); margin-left:4px; }
.msg-text { font-size:14px; font-weight:300; line-height:1.7; color:var(--text); white-space:pre-wrap; padding-left:28px; }
.msg.user { align-items:flex-end; }
.msg.user .msg-text { padding-left:0; background:var(--surface2); padding:10px 14px; border-radius:14px 14px 3px 14px; font-size:14px; font-weight:300; color:var(--text); font-style:normal; max-width:85%; }
.chat-choices { display:none; flex-direction:column; gap:6px; padding:4px 0 4px 28px; }
.chat-choices.visible { display:flex; }
.choice-btn { display:inline-flex; align-items:center; gap:8px; padding:8px 14px; background:var(--bg); border:1px solid var(--muted); border-radius:20px; cursor:pointer; font-family:'DM Sans',sans-serif; font-size:13px; font-weight:400; color:var(--text); text-align:left; transition:border-color 0.15s,color 0.15s,background 0.15s; align-self:flex-start; }
.choice-btn::before { content:'→'; font-size:12px; color:var(--accent); flex-shrink:0; }
.choice-btn:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-bg); }
.typing-indicator { display:none; align-items:center; gap:8px; padding:10px 0; animation:fadeUp 0.2s ease-out; }
.typing-indicator.visible { display:flex; }
.typing-avatar { width:20px; height:20px; border-radius:50%; background:var(--accent); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.typing-avatar span { font-size:8px; color:white; font-weight:500; }
.typing-dots { display:flex; gap:4px; align-items:center; }
.typing-dots span { width:4px; height:4px; background:var(--subtle); border-radius:50%; animation:bounce 1.2s ease-in-out infinite; }
.typing-dots span:nth-child(2) { animation-delay:0.15s; }
.typing-dots span:nth-child(3) { animation-delay:0.3s; }
@keyframes bounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-3px)} }
.chat-input-area { flex-shrink:0; padding:10px 0 max(16px,env(safe-area-inset-bottom)); border-top:1px solid var(--border); }
.input-box { display:flex; align-items:center; gap:8px; background:white; border:1px solid var(--border); border-radius:10px; padding:8px 8px 8px 14px; transition:border-color 0.2s,box-shadow 0.2s; }
.input-box:focus-within { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-bg); }
.chat-input { flex:1; border:none; background:transparent; font-family:'DM Sans',sans-serif; font-size:16px; font-weight:300; color:var(--text); outline:none; resize:none; line-height:1.5; max-height:100px; padding:4px 0; }
.chat-input::placeholder { color:var(--subtle); }
.send-btn { flex-shrink:0; width:34px; height:34px; border-radius:8px; background:var(--accent); border:none; cursor:pointer; display:flex; align-items:center; justify-content:center; transition:opacity 0.15s,background 0.15s; }
.send-btn:disabled { opacity:0.3; cursor:not-allowed; }
.send-btn:not(:disabled):hover { background:#1535b5; }
.send-btn svg { width:15px; height:15px; stroke:white; fill:none; stroke-width:2.5; stroke-linecap:round; stroke-linejoin:round; }
.proof-line { margin-top:14px; font-family:'DM Mono',monospace; font-size:10px; letter-spacing:0.06em; color:var(--subtle); }
.input-hint { margin-top:6px; font-family:'DM Mono',monospace; font-size:9px; color:var(--subtle); text-align:center; letter-spacing:0.04em; }
.cases-intro-text { font-size:13px; font-weight:300; color:var(--muted); margin-bottom:24px; line-height:1.6; max-width:480px; }
.case-card { border:1px solid var(--border); border-radius:10px; padding:20px; margin-bottom:10px; text-decoration:none; display:block; transition:background 0.15s,border-color 0.15s; background:white; }
.case-card:hover { border-color:var(--accent); background:var(--accent-bg); }
.case-card.soon { opacity:0.4; pointer-events:none; }
.case-card-header { display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:8px; }
.case-card-num { font-family:'DM Mono',monospace; font-size:9px; color:var(--subtle); letter-spacing:0.08em; }
.case-card-tags { display:flex; gap:4px; flex-wrap:wrap; }
.case-card-tag { font-family:'DM Mono',monospace; font-size:9px; color:var(--muted); background:var(--surface); border-radius:3px; padding:2px 6px; letter-spacing:0.04em; }
.case-card-title { font-size:16px; font-weight:500; color:var(--text); margin-bottom:6px; letter-spacing:-0.01em; }
.case-card-desc { font-size:13px; font-weight:300; color:var(--muted); line-height:1.6; margin-bottom:14px; }
.case-card-stats { display:flex; gap:20px; border-top:1px solid var(--border); padding-top:12px; }
.case-stat strong { display:block; font-size:18px; font-weight:500; color:var(--text); letter-spacing:-0.02em; }
.case-stat span { font-family:'DM Mono',monospace; font-size:9px; color:var(--subtle); letter-spacing:0.06em; text-transform:uppercase; }
.secondary-page { display:none; flex:1; overflow-y:auto; padding:28px 20px 48px; max-width:640px; width:100%; margin:0 auto; }
.secondary-page.active { display:block; }
.page-section-label { font-family:'DM Mono',monospace; font-size:9px; letter-spacing:0.14em; text-transform:uppercase; color:var(--subtle); margin-bottom:16px; }
.page-body { font-size:14px; font-weight:300; line-height:1.8; color:var(--text); max-width:480px; }
.page-body p+p { margin-top:14px; }
.page-body strong { font-weight:500; }
.contact-item { display:flex; align-items:center; gap:12px; padding:14px 0; border-bottom:1px solid var(--border); text-decoration:none; color:var(--text); transition:color 0.15s; }
.contact-item:first-of-type { border-top:1px solid var(--border); margin-top:20px; }
.contact-item:hover { color:var(--accent); }
.contact-label { font-size:13px; font-weight:300; flex:1; }
.contact-value { font-family:'DM Mono',monospace; font-size:11px; color:var(--muted); }
.summary-inline { margin-top:8px; padding-left:28px; }
.summary-hint { font-size:10px; color:var(--subtle); font-family:'DM Mono',monospace; letter-spacing:0.04em; margin-bottom:6px; }
.summary-textarea { width:100%; padding:8px 0 8px 12px; font-size:12px; color:var(--muted); line-height:1.7; font-family:'DM Mono',monospace; background:transparent; border:none; border-left:2px solid var(--border); outline:none; resize:none; transition:border-color 0.2s,color 0.2s; }
.summary-textarea:focus { border-color:var(--accent); color:var(--text); }
.summary-textarea:disabled { opacity:0.4; }

/* ---- Layout páginas estáticas (no-app) ---- */
html.static, html.static body { height:auto; overflow:auto; }
body.static { display:block; }
.static-topbar { display:flex; align-items:center; justify-content:space-between; padding:14px 20px; border-bottom:1px solid var(--border); background:var(--bg); position:sticky; top:0; z-index:100; }
.static-topbar .brand { font-size:13px; font-weight:500; color:var(--accent); text-decoration:none; letter-spacing:-0.01em; }
.static-topbar nav { display:flex; gap:4px; }
.static-topbar nav a { font-size:12px; color:var(--muted); text-decoration:none; padding:5px 10px; border-radius:var(--radius); }
.static-topbar nav a:hover, .static-topbar nav a[aria-current="page"] { background:var(--accent-bg); color:var(--accent); }
.static-wrap { max-width:720px; margin:0 auto; padding:0 0 48px; }
.static-wrap.narrow { max-width:560px; padding:40px 20px 48px; }
.static-back { display:inline-block; margin:20px 20px 0; font-family:'DM Mono',monospace; font-size:11px; color:var(--muted); text-decoration:none; }
.static-back:hover { color:var(--accent); }
.static-footer { border-top:1px solid var(--border); padding:28px 20px; max-width:720px; margin:0 auto; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-family:'DM Mono',monospace; font-size:11px; color:var(--subtle); }
.static-footer a { color:var(--muted); text-decoration:none; }
.static-footer a:hover { color:var(--accent); }
.static-wrap .modal-hero:first-child { border-top:none; }

/* ---- h1 jerárquico páginas estáticas (mismo look) ---- */
.modal-hero h1 { font-size:32px; font-weight:400; line-height:1.15; color:var(--text); margin-bottom:16px; }
.modal-hero h1 em { font-style:italic; color:var(--accent); }
h1.page-h1 { font-family:'DM Mono',monospace; font-size:9px; letter-spacing:0.14em; text-transform:uppercase; color:var(--subtle); margin-bottom:16px; font-weight:400; }

.page-body a { color:var(--accent); text-decoration:none; border-bottom:1px solid rgba(27,63,216,0.35); transition:border-color 0.15s; }
.page-body a:hover { border-bottom-color:var(--accent); }