:root{
  --bg:#EAF4FA; --bg-2:#F3F9FD; --surface:#FFFFFF;
  --ink:#0C2340; --ink-soft:#40566F; --ink-faint:#6C8197; --line:#CFE1ED;
  --brand:#025F88; --brand-dark:#033F5B; --brand-mid:#0A7AA8; --brand-tint:#DCEEF6;
  --accent:#1B9FC9; --deep:#0A2B45; --deep-2:#0E3A5C;
  --font-display:'Space Grotesk','Segoe UI',system-ui,-apple-system,sans-serif;
  --font-body:'IBM Plex Sans','Segoe UI',system-ui,-apple-system,sans-serif;
  --r:10px; --r-sm:8px;
  --shadow:0 1px 2px rgba(12,35,64,.06),0 10px 28px -14px rgba(12,35,64,.20);
  --wrap:1160px; --hdr:72px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink);line-height:1.18;margin:0 0 .5em;font-weight:600;letter-spacing:-.005em}
p{margin:0 0 1em;color:var(--ink-soft)}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2.5px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand-dark);color:#fff;padding:10px 16px;border-radius:var(--r-sm);z-index:200}
.skip:focus{left:8px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}
.narrow{max-width:820px}
@media(max-width:640px){.wrap{padding:0 20px}}

/* ---------- botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--r-sm);font-weight:600;font-size:.95rem;border:1.5px solid transparent;min-height:46px;transition:background-color .15s,border-color .15s,color .15s;line-height:1.2;text-align:center}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-tint)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:var(--brand-tint)}
.btn-line-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-line-light:hover{background:rgba(255,255,255,.12)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 0}
.link-arrow{font-weight:600;color:var(--brand);font-size:.95rem;display:inline-flex;gap:6px;align-items:center}
.link-arrow::after{content:"→";transition:transform .15s}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- utilidades / header ---------- */
.util{background:var(--deep);color:#B7D3E4;font-size:.78rem}
.util .wrap{display:flex;justify-content:flex-end;gap:20px;padding-top:6px;padding-bottom:6px}
.util a:hover{color:#fff}
.hdr{position:sticky;top:0;z-index:60;background:var(--bg);border-bottom:1px solid var(--line);transition:box-shadow .2s}
.hdr.compact{box-shadow:0 6px 20px -12px rgba(12,35,64,.35)}
.hdr .wrap{display:flex;align-items:center;gap:22px;height:var(--hdr);transition:height .2s}
.hdr.compact .wrap{height:58px}
.logo{display:flex;align-items:center;flex-shrink:0}
.logo img{height:46px;width:auto;transition:height .2s}
.hdr.compact .logo img{height:36px}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav>a,.nav>.dd>button{white-space:nowrap;background:none;border:0;padding:10px 9px;font-size:.88rem;font-weight:500;color:var(--ink-soft);border-radius:var(--r-sm);display:inline-flex;align-items:center;gap:5px}
.nav>a:hover,.nav>.dd>button:hover,.nav a.active,.nav .dd.active>button{color:var(--brand-dark);background:var(--brand-tint)}
.dd{position:relative}
.dd>button::after{content:"";width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translateY(-2px);margin-left:2px}
.panel{position:absolute;top:calc(100% + 8px);left:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:14px;min-width:240px;display:none}
.dd.open>.panel{display:block}
.panel a{display:block;padding:9px 12px;border-radius:var(--r-sm);font-size:.9rem;color:var(--ink-soft)}
.panel a:hover{background:var(--brand-tint);color:var(--brand-dark)}
.panel.mega{left:50%;transform:translateX(-30%);width:min(860px,92vw);display:none;grid-template-columns:1fr 1fr 1fr;gap:18px;padding:22px}
.dd.open>.panel.mega{display:grid}
.panel h4{font-size:.72rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 8px 12px;font-family:var(--font-body);font-weight:600}
.nav-end{display:flex;align-items:center;gap:10px;margin-left:8px}
.lang>button{border:1.5px solid var(--line);background:var(--surface);border-radius:var(--r-sm);padding:8px 12px;font-size:.85rem;font-weight:600;color:var(--ink-soft);display:inline-flex;gap:6px;align-items:center;min-height:40px}
.lang .panel{left:auto;right:0;min-width:150px}
.lang .panel a.cur{font-weight:600;color:var(--brand-dark)}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1.5px solid var(--line);background:var(--surface);border-radius:var(--r-sm);align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:18px;height:2px;background:var(--ink);position:relative;content:""}
.burger span::before{position:absolute;top:-6px}.burger span::after{position:absolute;top:6px}
.mnav{display:none;background:var(--surface);border-top:1px solid var(--line);max-height:calc(100vh - var(--hdr));overflow:auto;padding:8px 20px 28px}
.mnav.open{display:block}
.mnav a,.mnav summary{display:block;padding:14px 4px;border-bottom:1px solid var(--line);font-weight:500;color:var(--ink);list-style:none;cursor:pointer}
.mnav details a{padding-left:18px;color:var(--ink-soft);font-weight:400}
.mnav .btn{margin-top:18px;width:100%}
@media(max-width:960px){.nav,.nav-end{display:none}.burger{display:flex}}

/* ---------- hero ---------- */
.hero{padding:64px 0 76px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-.015em;margin-bottom:.45em}
.lede{font-size:1.1rem;color:var(--ink-soft);max-width:60ch}
.concepts{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:30px}
.concepts li{font-size:.8rem;font-weight:600;color:var(--brand-dark);padding:5px 12px;border:1px solid var(--line);border-radius:6px;background:rgba(255,255,255,.6)}
.concepts-big{display:none}
.ph{border:1.5px dashed #9FC2D6;background:rgba(255,255,255,.55);border-radius:var(--r);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;padding:28px;color:var(--ink-faint);min-height:200px}
.ph span{font-family:var(--font-display);font-weight:600;font-size:.9rem;color:var(--brand);letter-spacing:.02em}
.ph small{font-size:.76rem;max-width:34ch}
.ph-hero{aspect-ratio:4/3;min-height:0}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero{padding:44px 0 56px}}
/* variante B: centrado sobre azul profundo */
.hero[data-v="B"]{background:var(--deep);color:#fff}
.hero[data-v="B"] h1{color:#fff}
.hero[data-v="B"] .lede{color:#C4DCEA}
.hero[data-v="B"] .hero-grid{grid-template-columns:1fr;text-align:center;gap:36px}
.hero[data-v="B"] .lede{margin-left:auto;margin-right:auto}
.hero[data-v="B"] .cta-row,.hero[data-v="B"] .concepts{justify-content:center}
.hero[data-v="B"] .concepts li{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#DCEEF8}
.hero[data-v="B"] .btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.hero[data-v="B"] .btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero[data-v="B"] .btn-primary{background:#fff;color:var(--brand-dark)}
.hero[data-v="B"] .ph{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);color:#9DBFD3}
.hero[data-v="B"] .ph span{color:#CFE7F4}
.hero[data-v="B"] .ph-hero{aspect-ratio:16/6;max-width:880px;margin:0 auto;width:100%}
/* variante C: split con panel tipográfico */
.hero[data-v="C"]{padding:0}
.hero[data-v="C"] .hero-grid{gap:0;align-items:stretch;max-width:none;padding:0}
.hero[data-v="C"] .hero-copy{padding:72px max(28px,calc((100vw - var(--wrap))/2 + 28px)) 72px max(28px,calc((100vw - var(--wrap))/2 + 28px))}
.hero[data-v="C"] .hero-visual{background:var(--deep);display:flex;align-items:center;padding:56px 48px}
.hero[data-v="C"] .ph-hero{display:none}
.hero[data-v="C"] .concepts{display:none}
.hero[data-v="C"] .concepts-big{display:block}
.concepts-big li{font-family:var(--font-display);font-size:clamp(1.5rem,3vw,2.2rem);font-weight:600;color:#fff;line-height:1.35;padding-left:18px;border-left:3px solid var(--accent);margin-bottom:10px;opacity:.92}
.concepts-big li:nth-child(odd){color:#BFE3F2}
@media(max-width:900px){.hero[data-v="C"] .hero-copy{padding:44px 20px}.hero[data-v="C"] .hero-visual{padding:36px 24px}}

/* ---------- secciones comunes ---------- */
.section{padding:84px 0}
.section.alt{background:var(--bg-2)}
.section.dark{background:var(--deep);color:#fff}
.section.dark h2,.section.dark h3,.section.dark h4{color:#fff}
.section.dark p{color:#BFD8E8}
@media(max-width:760px){.section{padding:56px 0}}
.eyebrow{display:block;font-family:var(--font-body);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;font-weight:600;color:var(--brand);margin:0 0 12px}
.section.dark .eyebrow{color:#7FD0EA}
.h2{font-size:clamp(1.6rem,2.8vw,2.1rem);margin-bottom:.5em}
.head{max-width:720px;margin-bottom:40px}
.statement{font-family:var(--font-display);font-weight:600;font-size:1.15rem;color:var(--brand-dark);border-left:3px solid var(--accent);padding:2px 0 2px 16px;margin:24px 0}
.section.dark .statement{color:#fff;border-color:#7FD0EA}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 6px}
.chips span{font-size:.82rem;font-weight:600;color:var(--brand-dark);background:var(--brand-tint);padding:5px 12px;border-radius:6px}
.section.dark .chips span{background:rgba(255,255,255,.1);color:#E4F3FB}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.card h3{font-size:1.08rem;margin-bottom:.4em}
.card p{font-size:.93rem}
.card ul li{font-size:.92rem;color:var(--ink-soft);padding:5px 0 5px 18px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:.95em;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:960px){.grid-3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid-3,.grid-2{grid-template-columns:1fr}}
.flow{display:flex;flex-wrap:wrap;align-items:stretch;gap:10px 8px;margin:18px 0}
.flow>*{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 16px;font-weight:600;font-size:.9rem;color:var(--brand-dark)}
.flow>i{background:none;border:0;padding:10px 0;color:var(--accent);font-style:normal;font-weight:700}
.section.dark .flow>*{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#E4F3FB}
.section.dark .flow>i{background:none;border:0;color:#7FD0EA}
.flow.v{flex-direction:column;align-items:flex-start}
.flow.v>i{transform:rotate(90deg);padding:0 0 0 14px}

/* ---------- home: bloques ---------- */
.quiebre{padding:110px 0;text-align:left}
.quiebre h2{font-size:clamp(1.9rem,4vw,3rem);max-width:18ch;margin-bottom:.5em}
.quiebre p{font-size:1.15rem;max-width:44ch}
.paths{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:760px){.paths{grid-template-columns:1fr}}
.path{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:34px;box-shadow:var(--shadow)}
.path h3{font-size:1.5rem;margin-bottom:.35em}
.path.alt{background:var(--deep);border-color:var(--deep)}
.path.alt h3,.path.alt .eyebrow{color:#fff}
.path.alt p{color:#BFD8E8}
.path.alt .chips span{background:rgba(255,255,255,.1);color:#E4F3FB}
.path.alt .link-arrow{color:#9ADCF2}
.exp-grid{display:grid;grid-template-columns:auto 1fr;gap:56px;align-items:center}
@media(max-width:760px){.exp-grid{grid-template-columns:1fr;gap:12px}}
.exp-num{font-family:var(--font-display);font-weight:700;font-size:clamp(4.2rem,11vw,8rem);line-height:.95;color:var(--brand);letter-spacing:-.03em}
.exp-num small{font-size:.28em;letter-spacing:0;color:var(--ink-soft);font-weight:600;margin-left:8px}
.exp-note{font-size:.88rem;color:var(--ink-faint);border-top:1px solid var(--line);padding-top:14px;margin-top:20px}
.needs .card{display:flex;flex-direction:column}
.needs .card ul{margin:6px 0 16px;flex-grow:1}
.feat .card{display:flex;flex-direction:column;gap:6px}
.feat .ph{min-height:120px;padding:16px;margin-bottom:10px}
.feat .card p{flex-grow:1}
.steps{display:grid;grid-template-columns:repeat(7,1fr);gap:0;counter-reset:s;position:relative}
.steps li{position:relative;padding:44px 8px 0 0;font-family:var(--font-display);font-weight:600;font-size:.98rem;color:var(--brand-dark)}
.steps li::before{content:"";position:absolute;top:12px;left:0;width:14px;height:14px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-tint)}
.steps li::after{content:"";position:absolute;top:18px;left:18px;right:6px;height:2px;background:var(--line)}
.steps li:last-child::after{display:none}
@media(max-width:900px){.steps{grid-template-columns:1fr}.steps li{padding:0 0 24px 38px;font-size:1.02rem}.steps li::before{top:4px}.steps li::after{top:22px;bottom:2px;left:6px;right:auto;width:2px;height:auto}}
.res .card{text-align:left}
.res .ph{min-height:90px;padding:14px;margin:12px 0 0}
.cta-band{background:var(--brand);color:#fff;text-align:center;padding:84px 0}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,3.4vw,2.6rem)}
.cta-band p{color:#D4ECF6;font-size:1.1rem}
.final{background:var(--deep);padding:92px 0;color:#fff}
.final ol{list-style:none;padding:0;margin:0 0 40px;display:grid;gap:12px}
.final li{font-family:var(--font-display);font-size:clamp(1.15rem,2.2vw,1.55rem);font-weight:600;color:#6E93AB;padding:10px 0 10px 22px;border-left:3px solid #1D4E70;transition:color .5s,border-color .5s}
.final li.on,.final.static li{color:#fff;border-color:var(--accent)}
.final h2{font-size:clamp(1.3rem,2.4vw,1.8rem);color:#9ADCF2;margin:0}
.final h2 span{display:block;color:#fff}

/* ---------- capítulos auto-generados (páginas) ---------- */
.phero{padding:64px 0 70px}
.phero .crumbs{font-size:.8rem;color:var(--ink-faint);margin-bottom:18px}
.phero .crumbs a:hover{color:var(--brand)}
.phero h1{font-size:clamp(1.9rem,3.8vw,2.8rem);max-width:22ch}
.phero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:900px){.phero .grid{grid-template-columns:1fr;gap:28px}}
.chapter{padding:68px 0;border-top:1px solid var(--line)}
.chapter:nth-of-type(even){background:var(--bg-2)}
.chapter .wrap{display:grid;grid-template-columns:4fr 7fr;gap:48px;align-items:start}
.chapter .ch-head{position:sticky;top:96px}
.chapter .ch-head h2{font-size:clamp(1.4rem,2.3vw,1.8rem)}
.chapter.solo .wrap{grid-template-columns:1fr;max-width:860px}
.chapter.dark{background:var(--deep);color:#fff;border-top:0;padding:84px 0}
.chapter.dark .wrap{grid-template-columns:1fr;max-width:860px;text-align:left}
.chapter.dark h1,.chapter.dark h2,.chapter.dark h3{color:#fff}
.chapter.dark p{color:#BFD8E8}
.chapter.dark .eyebrow{color:#7FD0EA}
.chapter.dark .statement{color:#fff;border-color:#7FD0EA}
.big{font-family:var(--font-display);font-weight:600;font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.2;margin:0 0 .6em;color:var(--ink)}
.chapter .ch-body p{max-width:64ch}
.items{display:grid;grid-template-columns:1fr 1fr;gap:4px 28px;margin:14px 0 22px}
.items li{position:relative;padding:7px 0 7px 22px;font-size:.95rem;color:var(--ink-soft);border-bottom:1px solid var(--line)}
.items li::before{content:"";position:absolute;left:0;top:1.05em;width:8px;height:8px;border-radius:2px;background:var(--accent)}
.chapter.dark .items li{color:#CFE3EF;border-color:rgba(255,255,255,.14)}
@media(max-width:640px){.items{grid-template-columns:1fr}}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:16px 0 20px}
.cards a{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.cards a:hover{border-color:var(--brand-mid)}
.cards strong{font-family:var(--font-display);display:block;font-size:1.02rem;color:var(--ink);margin-bottom:4px}
.cards span{font-size:.9rem;color:var(--ink-soft);display:block}
@media(max-width:640px){.cards{grid-template-columns:1fr}}
pre.diagram{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;font-family:ui-monospace,Consolas,monospace;font-size:.82rem;color:var(--ink-soft);overflow-x:auto;margin:16px 0}
.note{background:var(--brand-tint);border-radius:var(--r-sm);padding:14px 18px;font-size:.9rem;color:var(--ink-soft);margin:16px 0}
.proto-notice{background:#FFF6DB;border:1px solid #EBD38A;border-radius:var(--r-sm);padding:14px 18px;font-size:.88rem;color:#5E4A0B;margin:0 0 24px}
.chapter .ph{margin:18px 0}
@media(max-width:860px){.chapter .wrap{grid-template-columns:1fr;gap:20px}.chapter .ch-head{position:static}}

/* ---------- contacto ---------- */
.form{display:grid;gap:16px;max-width:560px}
.field label{display:block;font-weight:600;font-size:.88rem;color:var(--ink);margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--r-sm);background:var(--surface);font:inherit;color:var(--ink)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand-mid)}
.field textarea{min-height:140px;resize:vertical}
.seg{display:flex;gap:8px;flex-wrap:wrap}
.seg label{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:var(--r-sm);padding:10px 14px;background:var(--surface);font-weight:500;cursor:pointer;margin:0;font-size:.9rem}
.seg input{width:auto}
.seg label:has(input:checked){border-color:var(--brand);background:var(--brand-tint)}
.small{font-size:.82rem;color:var(--ink-faint)}
.form-msg{font-size:.9rem;color:#9A3B1B;min-height:1.2em}
.thanks{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:34px;max-width:560px;box-shadow:var(--shadow)}
.next-steps{counter-reset:n;display:grid;gap:14px;margin-top:16px}
.next-steps li{counter-increment:n;display:grid;grid-template-columns:34px 1fr;gap:12px}
.next-steps li::before{content:counter(n);width:30px;height:30px;border-radius:50%;background:var(--brand-tint);color:var(--brand-dark);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:.85rem}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:36px}}

/* ---------- footer, dialog, herramientas de prototipo ---------- */
.ftr{background:#fff;border-top:1px solid var(--line);padding:60px 0 28px}
.ftr-grid{display:grid;grid-template-columns:1.2fr repeat(5,1fr);gap:28px}
@media(max-width:1000px){.ftr-grid{grid-template-columns:repeat(3,1fr)}.ftr-brand{grid-column:1/-1}}
@media(max-width:560px){.ftr-grid{grid-template-columns:1fr 1fr}}
.ftr h4{font-family:var(--font-body);font-size:.74rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:12px;font-weight:600}
.ftr a,.ftr button.lnk{display:block;padding:5px 0;font-size:.9rem;color:var(--ink-soft);background:none;border:0;text-align:left}
.ftr a:hover,.ftr button.lnk:hover{color:var(--brand)}
.ftr-brand img{height:42px;width:auto;margin-bottom:14px}
.ftr-brand p{font-size:.88rem;max-width:34ch}
.ftr-bottom{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font-size:.82rem;color:var(--ink-faint)}
.ftr-bottom .legal{display:flex;gap:18px}
.ftr-bottom button{background:none;border:0;padding:0;font-size:.82rem;color:var(--ink-soft)}
.ftr-bottom button:hover{color:var(--brand)}
.tag-ph{display:inline-block;font-size:.76rem;border:1px dashed #9FC2D6;color:var(--ink-faint);border-radius:6px;padding:3px 10px}
dialog{border:0;border-radius:var(--r);padding:0;max-width:720px;width:92vw;box-shadow:0 30px 80px -20px rgba(8,28,48,.5)}
dialog::backdrop{background:rgba(8,28,48,.5)}
dialog .dh{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line)}
dialog .dh h3{margin:0;font-size:1.1rem}
dialog .dh button{border:0;background:var(--brand-tint);border-radius:var(--r-sm);padding:8px 14px;font-weight:600;color:var(--brand-dark)}
dialog .db{padding:20px 24px 26px;max-height:70vh;overflow:auto;font-size:.9rem}
dialog .db h4{font-size:.95rem;margin:18px 0 6px}
dialog details{margin-top:14px}
dialog summary{cursor:pointer;font-weight:600;color:var(--brand)}
.proto-tools{position:fixed;left:14px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:90;background:#0A2B45;color:#fff;border-radius:var(--r);padding:8px 10px;display:none;align-items:center;gap:6px;font-size:.74rem;box-shadow:0 10px 30px -10px rgba(0,0,0,.5)}
.proto-tools.show{display:flex}
.proto-tools b{font-weight:600;margin-right:4px;color:#9ADCF2}
.proto-tools button{border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;border-radius:6px;width:30px;height:28px;font-weight:700}
.proto-tools button.on{background:#fff;color:#0A2B45}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--deep);color:#fff;padding:12px 18px;border-radius:var(--r-sm);font-size:.88rem;z-index:120;max-width:90vw;display:none}
.toast.show{display:block}

/* ===== v2: landing única ===== */
.hdr .wrap{position:relative}
[data-sec]{scroll-margin-top:84px}
.nav>a,.nav>.dd>button{white-space:nowrap}
.nav [data-g].active,.nav .dd.active>button{color:var(--brand-dark);background:var(--brand-tint);box-shadow:inset 0 -2px 0 var(--brand)}
.nav-end .btn.active{background:var(--brand-dark);box-shadow:0 0 0 3px var(--brand-tint)}
.panel a.cur{background:var(--brand-tint);color:var(--brand-dark);font-weight:600}
.panel .sub{margin:2px 0 4px 14px;border-left:2px solid var(--line);padding-left:6px}
.panel .sub a{font-size:.85rem;padding:6px 10px}
.panel{min-width:230px}
.mnav a.cur{color:var(--brand-dark);font-weight:600}
.mnav .sub a{padding-left:34px;font-size:.92rem}
/* hero C */
.hero{padding:0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:0;align-items:stretch;max-width:none;padding:0}
.hero-copy{padding:76px 44px 76px max(28px,calc((100vw - var(--wrap))/2 + 28px));display:flex;flex-direction:column;justify-content:center}
.hero .cta-row{flex-wrap:nowrap}
.hero .cta-row .btn{white-space:nowrap}
.hero-visual{background:var(--deep);padding:56px max(28px,calc((100vw - var(--wrap))/2 + 28px)) 56px 44px;display:flex;flex-direction:column;justify-content:center}
.prem{list-style:none;margin:0 0 30px;padding:0;display:grid;gap:8px}
.prem li{font-family:var(--font-display);font-size:clamp(1.02rem,1.55vw,1.28rem);font-weight:600;line-height:1.35;color:#6E93AB;padding:7px 0 7px 18px;border-left:3px solid #1D4E70;transition:color .5s,border-color .5s}
.prem li.on,.prem.static li{color:#fff;border-color:var(--accent)}
.prem-close{font-family:var(--font-display);font-weight:600;font-size:clamp(1rem,1.4vw,1.15rem);color:#9ADCF2;margin:0;line-height:1.35}
.prem-close span{display:block;color:#fff}
@media(max-width:1180px){.hero .cta-row{flex-wrap:wrap}}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-copy{padding:44px 20px 40px}.hero-visual{padding:36px 20px}}
/* grupos y sub-bloques */
.grp-head{background:var(--brand-tint);padding:76px 0 60px;border-top:1px solid var(--line)}
.grp-head .lede{max-width:70ch}
.grp-head h2{font-size:clamp(1.7rem,3vw,2.3rem);max-width:24ch}
.grp>.chapter{border-top:0}
.grp>.chapter:nth-child(odd){background:var(--bg-2)}
.grp>.chapter:nth-child(even){background:var(--bg)}
.sub-h{font-family:var(--font-display);font-weight:600;font-size:1.12rem;color:var(--ink);margin:22px 0 6px}
.sub-h:first-child{margin-top:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:20px 36px}
@media(max-width:760px){.two{grid-template-columns:1fr}}
.chapter .ch-head h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}
.cat-title{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-faint);font-weight:600;margin:26px 0 10px}
.sol-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:700px){.sol-grid{grid-template-columns:1fr}}
.sol-grid a,.sol-grid div.sol{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px 20px}
.sol-grid a:hover{border-color:var(--brand-mid)}
.sol-grid strong{font-family:var(--font-display);display:block;font-size:1rem;color:var(--ink);margin-bottom:4px}
.sol-grid span{font-size:.9rem;color:var(--ink-soft);display:block}
.sol-grid .sol.pend{border-style:dashed;background:transparent}
.ali{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:960px){.ali{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.ali{grid-template-columns:1fr}}
.ali .card{display:flex;flex-direction:column;gap:10px;min-height:150px}
.ali h3{margin:0}
.contact-direct p{margin:0 0 10px;font-size:.93rem}
.contact-direct a{color:var(--brand);font-weight:600}
.socials{display:flex;gap:12px;flex-wrap:wrap}
.chips a{font-size:.82rem;font-weight:600;color:var(--brand-dark);background:var(--brand-tint);padding:5px 12px;border-radius:6px}
.chips a:hover{background:#C6E2EE}
.path.alt .chips a{background:rgba(255,255,255,.1);color:#E4F3FB}
.path.alt .chips a:hover{background:rgba(255,255,255,.2)}
.socials a{font-weight:600;color:var(--brand)}
/* menú: sección activa muy visible */
.nav>a{display:inline-flex;align-items:center;min-height:40px}
.nav>.dd>button{min-height:40px}
.nav [data-g].active,.nav .dd.active>button{background:var(--brand);color:#fff;box-shadow:0 8px 18px -10px rgba(2,95,136,.9)}
.nav [data-g].active:hover,.nav .dd.active>button:hover{background:var(--brand-dark);color:#fff}
.nav-end .btn.active{background:var(--deep);box-shadow:0 0 0 3px var(--accent)}
.panel a.cur{background:var(--brand);color:#fff;font-weight:600}
.panel a.cur:hover{background:var(--brand-dark);color:#fff}
.lang .panel a.cur{background:var(--brand-tint);color:var(--brand-dark)}
.mnav a.cur{background:var(--brand);color:#fff;border-radius:8px;padding-left:14px;font-weight:600}

/* ===== v3: primera pantalla completa + ajustes del documento de sugerencias ===== */
.hero{min-height:calc(100vh - 72px);min-height:calc(100svh - 72px);display:flex}
.hero-grid{flex:1;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr)}
.hero-copy{padding:clamp(20px,5vh,72px) 40px clamp(20px,5vh,72px) max(28px,calc((100vw - var(--wrap))/2 + 28px))}
.hero h1{font-size:clamp(1.7rem,min(4vw,6.4vh),3.1rem);margin-bottom:.4em}
.hero .lede{font-size:clamp(.95rem,min(1.3vw,2.7vh),1.1rem);max-width:62ch}
.hero .lede strong{color:var(--ink);font-weight:600}
.hero .cta-row{margin-top:clamp(14px,3vh,24px)}
.hero-visual{padding:clamp(20px,4vh,56px) clamp(28px,4vw,64px) clamp(20px,4vh,56px) 40px}
.prem{gap:clamp(3px,.8vh,8px);margin-bottom:clamp(12px,2.6vh,30px)}
.prem li{font-size:clamp(.9rem,min(1.45vw,2.7vh),1.25rem);padding:clamp(4px,.8vh,7px) 0 clamp(4px,.8vh,7px) 16px;color:#A9C4D6;transition:color .6s,border-color .6s}
.prem li.on,.prem.static li{color:#fff}
.prem-close{font-size:clamp(.9rem,min(1.3vw,2.5vh),1.15rem)}
@media(max-width:900px){
  .hero{min-height:0;display:block}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:36px 20px 32px}
  .hero-visual{padding:32px 20px}
  .hero h1{font-size:clamp(1.8rem,8vw,2.4rem)}
  .hero .lede{font-size:1rem}
  .prem li{font-size:1rem}
}
/* tarjetas "dos caminos" parejas */
.path{display:flex;flex-direction:column}
.path h3{font-size:1.4rem;min-height:2.5em;margin-bottom:.45em}
.path p{flex-grow:1}
.path .link-arrow{margin-top:auto;padding-top:6px}
.path .chips{margin:14px 0 16px}
.path .chips{display:grid;gap:8px}
.path .chips.c2{grid-template-columns:repeat(2,1fr)}
.path .chips.c3{grid-template-columns:1.3fr 1fr 1fr}
.path .chips a{display:flex;align-items:center;justify-content:center;text-align:center;min-height:42px;padding:8px 8px;font-size:clamp(.72rem,.95vw,.8rem);line-height:1.2;text-wrap:balance}
@media(max-width:1000px){.path .chips.c3{grid-template-columns:repeat(2,1fr)}}
/* +40 años */
.exp-sub{font-family:var(--font-display);font-size:1.15rem;font-weight:500;color:var(--ink-soft);margin:6px 0 0}
/* tooltips de los pasos */
.steps li{cursor:default;outline-offset:6px;padding-right:28px;text-wrap:balance}
.steps li .tip{position:absolute;top:calc(100% + 4px);left:0;z-index:6;width:max-content;max-width:230px;background:var(--deep);color:#fff;font-family:var(--font-body);font-weight:400;font-size:.84rem;line-height:1.45;padding:9px 12px;border-radius:8px;box-shadow:0 12px 26px -10px rgba(8,28,48,.55);opacity:0;visibility:hidden;transform:translateY(4px);transition:opacity .15s,transform .15s,visibility .15s;pointer-events:none}
.steps li:nth-child(n+6) .tip{left:auto;right:0}
.steps li:hover .tip,.steps li:focus-visible .tip,.steps li.open .tip{opacity:1;visibility:visible;transform:none}
@media(max-width:900px){.steps li .tip{display:block;position:static;opacity:1;visibility:visible;transform:none;background:none;color:var(--ink-soft);box-shadow:none;padding:2px 0 0;max-width:none;width:auto;font-size:.9rem}}
/* certificaciones */
.certs{margin-top:44px;padding-top:30px;border-top:1px solid var(--line)}
.certs-lead{font-family:var(--font-display);font-weight:500;font-size:1.1rem;color:var(--ink);margin:0 0 18px}
.certs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media(max-width:760px){.certs-grid{grid-template-columns:1fr}}
.cert{text-align:center;margin:0}
.cert-img{height:170px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:12px;margin-bottom:10px}
.cert-img img{height:auto;width:auto;max-height:138px;max-width:100%;object-fit:contain;display:block}
.cert:first-child .cert-img img{height:130px}
.cert strong{font-family:var(--font-display);font-size:.95rem;color:var(--ink)}
.cards.three{grid-template-columns:repeat(3,1fr)}
@media(max-width:760px){.cards.three{grid-template-columns:1fr}}
@media(max-width:1000px){.ftr-grid{grid-template-columns:repeat(2,1fr)!important}}@media(max-width:560px){.ftr-grid{grid-template-columns:1fr!important}}
/* ===== v4: alianzas (6 tarjetas) y bloques de resultado ===== */
.ali6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:1000px){.ali6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.ali6{grid-template-columns:1fr}}
.ali-card{position:relative;overflow:hidden;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.ali-card h3{font-size:1.15rem;margin-bottom:.2em}
.ali-card .ali-role{font-family:var(--font-display);font-weight:600;font-size:.9rem;color:var(--brand-dark);margin:0 0 10px}
.ali-card p{font-size:.92rem}
.ali-card .link-arrow{margin-top:auto;padding-top:6px}
.ali-card .wm{position:absolute;right:14px;bottom:12px;width:auto;max-width:46%;max-height:40%;height:auto;opacity:.11;pointer-events:none;user-select:none;z-index:0}
.ali-card>*:not(.wm){position:relative;z-index:1}
.result{border-left:3px solid var(--accent);padding:2px 0 2px 16px;color:var(--ink);margin:18px 0}

/* ===== v5: PaqSuite (documento 3) ===== */
.feat-list{display:grid;gap:16px;margin:6px 0 14px}
.feat-row{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px;box-shadow:var(--shadow)}
.feat-img{width:150px;height:150px;object-fit:cover;border-radius:12px;display:block}
.feat-row h4{font-family:var(--font-display);font-size:1.12rem;margin:0 0 .3em}
.feat-row h4 a:hover{color:var(--brand)}
.feat-row p{font-size:.93rem;margin:0 0 .6em}
@media(max-width:640px){.feat-row{grid-template-columns:1fr}.feat-img{width:100%;height:190px}}
.chips-rows{display:grid;gap:8px;margin:12px 0 8px}
.chips-rows .chips{margin:0;justify-content:center}
.scheme{display:flex;align-items:stretch;justify-content:center;gap:10px;margin:20px 0 26px;flex-wrap:wrap}
.scheme .node{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 18px;text-align:center;min-width:150px}
.scheme .node strong{display:block;font-family:var(--font-display);color:var(--brand-dark);font-size:.98rem}
.scheme .node span{display:block;font-size:.8rem;color:var(--ink-soft);margin-top:2px}
.scheme .arr{align-self:center;font-size:1.7rem;font-weight:700;color:var(--accent);opacity:.3;animation:schemeArr 3.6s ease-in-out infinite}
.scheme .arr:nth-of-type(2){animation-delay:1.8s}
@keyframes schemeArr{0%,100%{opacity:.3}25%,55%{opacity:1}}
@media(max-width:640px){.scheme{flex-direction:column;align-items:stretch}.scheme .arr{text-align:center;transform:rotate(90deg);line-height:1}}
.cap-img{display:block;width:100%;max-width:680px;height:auto;border-radius:var(--r);margin:20px 0 6px;box-shadow:var(--shadow)}

/* ===== ilustraciones vectoriales provisorias (Parametrización y Capacitación) ===== */
.illus{display:block;width:100%;max-width:640px;height:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);margin:18px 0 6px;box-shadow:var(--shadow)}