:root{
  --bg:#f4efe6;--paper:#fffdf8;--ink:#1b1a17;--muted:#6f695f;--line:#ddd4c6;
  --accent:#bd5136;--accent-deep:#963b27;--accent-soft:#f1ded4;--sand:#eadfc9;
  --green:#e2eadc;--yellow:#f3e5bd;--shadow:0 16px 40px rgba(53,39,25,.08);
  --safe-bottom:max(14px,env(safe-area-inset-bottom));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
button,input{font:inherit}button{color:inherit}.app-shell{width:min(820px,100%);min-height:100vh;margin:0 auto;padding:0 18px 110px}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(120,105,85,.18);position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 92%, transparent);backdrop-filter:blur(14px)}
.brand{display:flex;gap:10px;align-items:center;background:none;border:0;padding:0;text-align:left;line-height:1.05;cursor:pointer;font-size:.78rem}.brand-mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:#fff;font-weight:900;font-size:.75rem}.icon-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.42);font-weight:800;cursor:pointer}
.view{display:none}.view.active{display:block}.hero{padding:52px 0 24px}.eyebrow,.kicker{text-transform:uppercase;letter-spacing:.13em;font-weight:900;color:var(--accent);font-size:.69rem;margin:0 0 10px}.hero h1,.page-head h1{font-size:clamp(2.65rem,10vw,5.35rem);line-height:.92;letter-spacing:-.058em;margin:0;max-width:760px}.hero-copy,.page-head p{max-width:690px;color:var(--muted);font-size:1.06rem;line-height:1.62;margin:20px 0 24px}.cta{border:0;border-radius:16px;padding:15px 18px;font-weight:850;cursor:pointer;transition:.16s ease}.cta:active{transform:scale(.985)}.primary-cta{background:var(--ink);color:#fff;display:flex;justify-content:space-between;width:min(430px,100%);font-size:1.03rem}.ghost-cta{background:transparent;border:1px solid var(--line);margin-top:10px;width:min(430px,100%)}.cta.small{background:var(--ink);color:white;padding:12px 15px}.cta.outline{background:transparent;border:1px solid var(--line)}.cta.light{background:#fff;color:var(--ink);margin-top:8px}
.search-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:18px;margin:16px 0 36px;box-shadow:var(--shadow)}.search-card label{display:block;font-size:.82rem;font-weight:800;margin-bottom:9px}.search-box{height:52px;display:flex;align-items:center;gap:10px;padding:0 15px;background:#f8f4ed;border:1px solid var(--line);border-radius:15px}.search-box.large{background:var(--paper)}.search-box span{font-size:1.35rem;color:var(--muted)}.search-box input{width:100%;border:0;background:transparent;outline:0;color:var(--ink);font-size:1rem}.mini-results{border-top:1px solid var(--line);margin-top:12px;padding-top:8px}.mini-result{width:100%;text-align:left;background:none;border:0;border-bottom:1px solid #eee6da;padding:12px 3px;cursor:pointer}.mini-result:last-child{border-bottom:0}.mini-result strong{display:block}.mini-result small{color:var(--muted)}
.home-section{margin:38px 0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:15px}.section-heading.compact{margin-bottom:12px}.section-heading h2{font-size:1.7rem;line-height:1.05;letter-spacing:-.025em;margin:0}.text-btn{border:0;background:none;color:var(--accent);font-weight:850;padding:6px 0;cursor:pointer;white-space:nowrap}.context-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.context-card{min-height:142px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:17px;text-align:left;cursor:pointer;display:flex;flex-direction:column;align-items:flex-start}.context-card>span{font-size:1.35rem;margin-bottom:auto}.context-card strong{font-size:1.06rem;margin:14px 0 4px}.context-card small{color:var(--muted);line-height:1.35}.context-card:hover{border-color:#c8b9a8}.principle-card{background:var(--ink);color:white;border-radius:25px;padding:24px;margin:46px 0 10px}.principle-card .kicker{color:#e2a28f}.principle-card h3{font-size:1.6rem;margin:0 0 8px}.principle-card p:last-child{color:#d8d2c9;line-height:1.55;margin-bottom:0}
.page-head{padding:42px 0 20px}.page-head h1{font-size:clamp(2.25rem,8vw,4.2rem);max-width:700px}.page-head p{margin-top:14px}.sticky-tools{position:sticky;top:76px;z-index:10;background:linear-gradient(var(--bg) 88%,transparent);padding:8px 0 18px}.chips{display:flex;gap:7px;overflow:auto;padding:10px 0 0;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}.chip{border:1px solid var(--line);background:rgba(255,255,255,.2);border-radius:999px;padding:8px 12px;white-space:nowrap;cursor:pointer}.chip.active{background:var(--ink);color:white;border-color:var(--ink)}.explore-heading{margin-top:10px}.family-panel{display:flex;flex-wrap:wrap;gap:7px;background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:13px;margin-bottom:12px}.family-btn{border:1px solid var(--line);background:transparent;border-radius:999px;padding:7px 10px;font-size:.8rem;cursor:pointer}.family-btn.active{background:var(--accent-soft);border-color:#ddb5a6;color:var(--accent-deep)}
.cards{display:grid;gap:11px}.card{background:var(--paper);border:1px solid var(--line);border-radius:19px;padding:17px;cursor:pointer;transition:.16s ease}.card:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(53,39,25,.055)}.card-top{display:flex;justify-content:space-between;gap:14px}.card h3{font-size:1.09rem;line-height:1.23;margin:5px 0 7px}.card p{color:var(--muted);line-height:1.45;margin:0;font-size:.94rem}.tag{font-size:.67rem;font-weight:900;text-transform:uppercase;letter-spacing:.085em;color:var(--accent)}.heart{color:var(--accent);font-size:1.25rem}.role-tag{font-size:.68rem;background:#eee7dd;border-radius:999px;padding:5px 8px;color:#5f584f;font-weight:800}.card-meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.meta-pill{font-size:.67rem;background:#f3eee6;border-radius:999px;padding:5px 8px;color:#696158}.empty{color:var(--muted);padding:30px 5px}.hidden{display:none!important}
.empty-state{text-align:center;background:var(--paper);border:1px dashed #cfbfac;border-radius:22px;padding:38px 22px;margin-top:18px}.empty-state.compact{padding:25px}.empty-state h3{margin:8px 0}.empty-state p{color:var(--muted);line-height:1.5}.empty-icon{font-size:2rem;color:var(--accent)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.stat-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:16px}.stat-card strong{display:block;font-size:2rem;letter-spacing:-.04em}.stat-card span{font-size:.78rem;color:var(--muted)}.history-list{display:grid;gap:9px}.history-item{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:13px 15px;display:flex;justify-content:space-between;align-items:center;gap:12px;cursor:pointer}.history-item strong{font-size:.92rem}.history-item small{display:block;color:var(--muted);margin-top:3px}.history-item>span{color:var(--accent);font-size:1.15rem}
.bottom-nav{position:fixed;z-index:30;bottom:0;left:50%;transform:translateX(-50%);width:min(820px,100%);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,253,248,.94);backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:8px 8px var(--safe-bottom)}.nav-item{border:0;background:none;display:grid;place-items:center;gap:2px;padding:7px 2px;color:#777067;cursor:pointer}.nav-item span{font-size:1.14rem}.nav-item small{font-size:.68rem;font-weight:750}.nav-item.active{color:var(--accent)}
.sheet{width:min(760px,100%);max-height:92dvh;margin:auto auto 0;border:0;border-radius:26px 26px 0 0;padding:0;background:var(--paper);color:var(--ink);box-shadow:0 -20px 70px rgba(20,16,12,.22)}.sheet::backdrop{background:rgba(20,17,14,.56);backdrop-filter:blur(2px)}.sheet article{padding:22px 20px 34px;position:relative;overflow:auto;max-height:92dvh}.sheet-handle{width:44px;height:5px;border-radius:999px;background:#d8cfc4;margin:0 auto 16px}.close{position:absolute;right:16px;top:15px;width:35px;height:35px;border:0;background:#f3eee6;border-radius:50%;font-size:1.5rem;line-height:1;cursor:pointer}.guide-step{display:none}.guide-step.active{display:block}.guide-step h2,.info-sheet h2{font-size:2rem;line-height:1.02;letter-spacing:-.035em;margin:4px 40px 9px 0}.lead{font-size:1rem;color:var(--muted);line-height:1.55}.guide-options{display:grid;gap:9px;margin-top:20px}.guide-options button{border:1px solid var(--line);background:#fffaf3;border-radius:17px;padding:16px;text-align:left;cursor:pointer}.guide-options button strong{display:block;font-size:1rem;margin-bottom:4px}.guide-options button span{font-size:.86rem;line-height:1.4;color:var(--muted)}.back-btn{border:0;background:none;padding:0;color:var(--accent);font-weight:850;margin-bottom:18px;cursor:pointer}.behavior-options button{display:flex;align-items:center;justify-content:space-between;gap:10px}.behavior-options button::after{content:'→';color:var(--accent);font-weight:900}
.detail-head{padding:4px 0 10px}.detail-tags{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.detail h2{font-size:clamp(2rem,7vw,3rem);line-height:1;letter-spacing:-.045em;margin:10px 36px 10px 0}.block{display:grid;grid-template-columns:34px 1fr;gap:10px;border-top:1px solid var(--line);padding:18px 0}.block-num{margin:2px 0;color:#b1a598;font-size:.72rem;font-weight:900}.block h3{font-size:.9rem;margin:0 0 6px}.block p:last-child{margin:0;line-height:1.56}.block.highlight,.block.soft{border:0;border-radius:17px;padding:17px 14px;margin:9px 0}.block.highlight{background:var(--accent-soft)}.block.soft{background:#f2eee8}.question-box,.action-box{border-radius:19px;padding:19px;margin:15px 0}.question-box{background:var(--yellow)}.action-box{background:var(--green)}.question-box>p:last-child,.action-box>p:nth-child(2){font-size:1.1rem;line-height:1.5;margin:0}.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.rule-box{background:var(--accent-soft);border-radius:17px;padding:16px;margin:20px 0;font-size:1.04rem;line-height:1.5}.info-sheet p{line-height:1.6;color:#554f48}.info-sheet h3{margin:24px 0 5px}
.toast{position:fixed;left:50%;bottom:92px;transform:translate(-50%,16px);z-index:60;background:var(--ink);color:#fff;padding:11px 15px;border-radius:999px;font-size:.84rem;font-weight:750;opacity:0;pointer-events:none;transition:.2s ease;white-space:nowrap;max-width:calc(100% - 32px);overflow:hidden;text-overflow:ellipsis}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:700px){.cards{grid-template-columns:1fr 1fr}.hero{padding-top:70px}.context-grid{grid-template-columns:repeat(4,1fr)}.context-card{min-height:160px}.guide-sheet,.detail,.info-sheet{border-radius:26px;margin:auto;max-height:88vh}.sheet article{max-height:88vh}.bottom-nav{border-left:1px solid var(--line);border-right:1px solid var(--line);border-radius:18px 18px 0 0}}
@media(max-width:520px){.app-shell{padding-left:14px;padding-right:14px}.hero{padding-top:38px}.hero-copy{font-size:1rem}.page-head{padding-top:32px}.context-grid{gap:8px}.context-card{padding:14px;min-height:135px}.section-heading h2{font-size:1.5rem}.detail-actions{grid-template-columns:1fr}.stats-grid{gap:7px}.stat-card{padding:13px 10px}.stat-card strong{font-size:1.65rem}.stat-card span{font-size:.7rem}.sheet article{padding-left:16px;padding-right:16px}}

.connect-card{background:#fffaf2;border:1px solid var(--line);border-radius:24px;padding:23px;margin:38px 0;box-shadow:var(--shadow)}.connect-card h2{font-size:1.7rem;line-height:1.08;letter-spacing:-.03em;margin:5px 0 9px}.connect-card>p:not(.kicker){color:var(--muted);line-height:1.55;max-width:650px}.connect-list{display:grid;gap:9px;margin:20px 0}.connect-list>div{background:#f8f4ed;border:1px solid var(--line);border-radius:16px;padding:14px}.connect-list strong{font-size:.94rem}.connect-list p{margin:5px 0 0!important;font-size:.91rem}.circuit-block{background:#f8f4ed;border:0!important;border-radius:17px;padding:17px 14px!important;margin:9px 0}.library-count{font-weight:800}@media(min-width:700px){.context-grid{grid-template-columns:repeat(3,1fr)}.connect-list{grid-template-columns:1fr 1fr}}

/* ================== V4: Splash ================== */
.splash{position:fixed;inset:0;z-index:999;display:flex;align-items:center;justify-content:center;background:var(--bg);transition:opacity .4s ease;overflow:hidden}
.splash img{width:100%;height:100%;object-fit:cover}
.splash.hide{opacity:0;pointer-events:none}

/* ================== V4: TÍTULO ================== */
.titulo-hero{padding:40px 0 20px;text-align:center;display:flex;flex-direction:column;align-items:center}
.titulo-logo{max-width:min(72vw,260px);height:auto;margin:0 0 22px}
.titulo-hero h1{max-width:520px}
.hero-copy.short{max-width:440px;margin:16px 0 6px}
.principle-hint{max-width:440px;color:var(--muted);font-size:.82rem;line-height:1.5;margin:0 0 26px;opacity:.85}
.titulo-actions{display:flex;flex-direction:column;gap:10px;width:100%;max-width:360px}
.titulo-actions .cta{width:100%;justify-content:center}

.author-zone{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:24px 16px 4px;margin:10px 0 20px;border-top:1px solid var(--line)}
.author-logo{width:auto;height:auto;max-width:min(56vw,190px);object-fit:contain}
.author-label{margin:2px 0 0;font-size:.82rem;color:var(--muted);font-weight:700}
.author-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center}

/* ================== V4: MENÚ 1 / MENÚ 2 ================== */
.compact-head{padding-top:20px}
.context-grid.roomy{gap:14px;margin-top:22px}
.context-grid.roomy .context-card{padding:22px 18px}

.menu2-cards{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.menu2-card{display:flex;flex-direction:column;gap:4px;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px 16px;cursor:pointer;transition:.15s ease}
.menu2-card:hover,.menu2-card:focus-visible{border-color:var(--accent);transform:translateY(-1px)}
.menu2-family{text-transform:uppercase;letter-spacing:.08em;font-size:.66rem;font-weight:800;color:var(--accent)}
.menu2-title{font-size:1.02rem;font-weight:750;line-height:1.32}
.menu2-actions{display:flex;gap:10px;margin:22px 0 10px;flex-wrap:wrap}
.menu2-actions .hidden{display:none}

/* ================== V4: WhatsApp ================== */
.wa-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#25D366;color:#0b2b17;font-weight:850;text-decoration:none;border-radius:14px;padding:14px 18px;margin-top:14px;transition:.15s ease}
.wa-btn:hover{filter:brightness(0.96)}
.wa-btn.small{padding:8px 14px;margin-top:0;font-size:.82rem;border-radius:11px}
.wa-btn::before{content:"↗";font-weight:900}

/* ================== V4: Ayuda / Acerca de Alberto ================== */
.help-options{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.help-option{text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:15px 16px;font-weight:750;cursor:pointer}
.help-option:hover{border-color:var(--accent)}
.alberto-logo{width:auto;height:auto;max-width:min(78vw,280px);max-height:130px;object-fit:contain;border-radius:6px;margin:6px 0 14px}

/* ================== V4: Mi registro — patrón ================== */
.pattern-card{margin-top:26px;padding:22px 20px;border-radius:18px;background:var(--accent-soft);border:1px solid var(--line)}
.pattern-card p{margin:6px 0 0;color:var(--ink)}
.pattern-card .kicker{margin-bottom:8px}

@media (max-width:520px){
  .titulo-logo{max-width:80vw}
}