/* La plataforma · «Se entra por el problema más urgente»: tres tarjetas de módulo, una al
   lado de otra, cada una encabezada por la frase del cliente, y una franja final con los
   tres juntos y un único botón. Mismo aire y mismas tarjetas que «El cambio». Sin JavaScript. */
.platform-section{background:var(--surface-canvas);scroll-margin-top:72px;padding:calc(var(--scene-padding-top) + 16px) 0 calc(var(--scene-padding-bottom) + 56px)}
.experience .platform-section>.wrap{width:min(calc(100% - 96px),1440px);max-width:none;padding:0}

/* ---------- Cabecera ---------- */
.platform-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:32px 80px;align-items:end;margin-bottom:clamp(40px,6vh,64px)}
.platform-head h2{font:600 clamp(42px,4.6vw,64px)/1.08 var(--font-ui);letter-spacing:-.04em;margin:0}
.platform-head h2 em{font-style:normal;color:var(--accent-graphic)}
.platform-kicker{margin:0 0 28px}
.platform-lead{font-size:16px;line-height:1.7;color:var(--text-secondary);margin:0 0 6px;max-width:46ch}
.platform-lead strong{font-weight:500;color:var(--text-primary)}

/* ---------- Tarjetas de módulo ---------- */
.modules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;align-items:stretch}
.module{display:flex;flex-direction:column;min-width:0;padding:28px 28px 26px;border-radius:24px;background:var(--ln-neutral-100);border:1px solid var(--border-hairline)}
.module__quote{quotes:"«" "»";display:block;margin:0 0 28px;padding-bottom:22px;border-bottom:1px solid var(--border-default);font:400 clamp(20px,1.6vw,23px)/1.3 var(--font-quote);font-style:italic;letter-spacing:-.01em;color:var(--text-primary)}
.module__kicker{margin:0 0 10px;font:500 11px/1.4 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-muted)}
.module__kicker em{font-style:normal;color:var(--ln-brand-700)}
.module h3{margin:0;font:600 clamp(28px,2.4vw,34px)/1.1 var(--font-ui);letter-spacing:-.035em;color:var(--text-primary)}
.module__tag{margin:6px 0 0;font-size:15px;font-weight:500;color:var(--ln-brand-700)}
.module__summary{margin:22px 0 0;font-size:14.5px;line-height:1.65;color:var(--text-secondary)}
.module__metric{display:flex;flex-direction:column;gap:3px;margin:22px 0 0}
.module__metric strong{font-size:clamp(44px,3.6vw,56px);line-height:1;letter-spacing:-.06em;font-weight:500;color:var(--text-brand)}
.module__metric span{font-size:11px;color:#7e756b;margin-top:8px}
.module__tile{display:flex;flex-direction:column;justify-content:center;gap:12px;min-height:116px;margin:24px 0 0;padding:20px 22px;border-radius:16px;background:var(--surface-card);border:1px solid var(--border-hairline)}
.tile__row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font:500 12px/1 var(--font-body);color:var(--text-secondary)}
.tile__row img{width:28px;height:28px}
.tile__row i{font-style:normal;color:var(--text-muted);font-size:16px;margin:0 2px}
.tile__row b{font-weight:500;color:var(--text-primary);padding:7px 11px;border:1px solid var(--border-hairline);border-radius:999px;background:var(--surface-subtle);margin-left:auto}
.tile__row b+b{margin-left:-4px}
.module__details{margin-top:22px;border:1px solid var(--border-default);border-radius:10px;background:var(--surface-card);overflow:hidden;box-shadow:0 2px 5px #1a191705}
.module__details summary{display:flex;justify-content:space-between;align-items:center;gap:14px;min-height:56px;padding:12px 18px;cursor:pointer;font-size:13.5px;font-weight:600;color:var(--text-primary);list-style:none;transition:background .2s}
.module__details summary::-webkit-details-marker{display:none}
.module__details summary:hover{background:var(--surface-subtle)}
.module__details summary>span{font-size:22px;font-weight:400;color:#a69a8d;transition:transform .25s}
.module__details[open] summary>span{transform:rotate(45deg)}
.module__facets{display:grid;gap:14px;padding:4px 18px 18px;border-top:1px solid var(--border-hairline)}
.module__facets>div{padding-top:12px}
.module__facets b{display:block;margin-bottom:5px;font:500 10.5px/1.4 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ln-brand-700)}
.module__facets p{margin:0;font-size:13px;line-height:1.6;color:var(--text-secondary)}

/* ---------- Los tres juntos ---------- */
.platform-all{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:32px 80px;align-items:center;margin-top:16px;padding:36px 32px;border-radius:24px;background:var(--ln-neutral-100);border:1px solid var(--border-hairline)}
.platform-all__copy h3{margin:0;font:400 clamp(24px,2.2vw,32px)/1.25 var(--font-quote);font-style:italic;letter-spacing:-.01em;color:var(--text-primary)}
.platform-all__copy h3 q{quotes:"«" "»"}
.platform-all__copy p{margin:14px 0 0;font-size:14.5px;line-height:1.65;color:var(--text-secondary);max-width:58ch}
.platform-actions{grid-template-columns:minmax(0,1fr);margin:0;max-width:380px;justify-self:end;width:100%}

/* ---------- Responsive ---------- */
@media(min-width:1001px) and (max-width:1180px){.module{padding:24px 22px 22px}.module__details summary{padding:12px 14px;font-size:13px}}
@media(max-width:1000px){
 .experience .platform-section>.wrap{width:calc(100% - 64px)}
 .platform-head{grid-template-columns:1fr;gap:20px;align-items:start}
 .modules{grid-template-columns:1fr;gap:14px}
 .module{padding:26px 24px 24px}
 .platform-all{grid-template-columns:1fr;padding:28px 24px}
 .platform-actions{justify-self:start}
}
@media(max-width:760px){
 .platform-section{scroll-margin-top:60px}
 .experience .platform-section>.wrap{width:calc(100% - 48px)}
 .platform-head{margin-bottom:32px}
 .platform-head h2{font-size:clamp(36px,9.5vw,44px)}.platform-kicker{margin-bottom:24px}.platform-lead{font-size:15px}
 .module{padding:22px 18px 20px;border-radius:16px}
 .module__quote{margin-bottom:22px;padding-bottom:18px}
 .module__tile{padding:16px;min-height:0}.tile__row img{width:24px;height:24px}
 .platform-all{padding:24px 18px;border-radius:16px}
 .platform-actions{max-width:none}
}