.collaboration-hero { padding: clamp(2.5rem, 6vw, 5.5rem) 0; background: linear-gradient(145deg, var(--c-primary-50), #fff 55%, #fff6ee); }
        .collaboration-hero + .collaboration-section { padding-top: 0; }
        .collaboration-hero-grid { display: grid; align-items: center; gap: clamp(2rem, 6vw, 5rem); }
        .collaboration-hero-grid > *, .benefits-grid > * { min-width: 0; }
        .collaboration-hero-copy { max-width: 650px; }
        .collaboration-hero-copy h1 { margin-bottom: .45em; }
        .collaboration-visual { width: 100%; max-width: 560px; margin: 0 auto; filter: drop-shadow(0 24px 34px rgba(13,27,42,.12)); }
        .free-callout { display: inline-flex; align-items: center; gap: .55rem; margin: .5rem 0 1.25rem; padding: .65rem 1rem; border-radius: 999px; background: var(--c-green); color: var(--c-green-dark); font-weight: 800; }
        .collaboration-section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
        .collaboration-section.alt { background: var(--c-bg-alt); }
        .collaboration-heading { max-width: 760px; margin: 0 auto 2rem; text-align: center; }
        .collaboration-phone-wrap { display: flex; justify-content: center; margin: 2rem auto 2.75rem; }
        .collaboration-phone { width: clamp(190px, 28vw, 240px); aspect-ratio: 921 / 2048; margin-top: 0; }
        .collaboration-phone .phone-shot { animation: collaboration-shot-one 10s infinite; animation-delay: 0s; }
        .collaboration-phone .phone-shot:nth-child(2) { animation-name: collaboration-shot-two; }
        @keyframes collaboration-shot-one {
          0%, 40% { opacity: 1; }
          50%, 90% { opacity: 0; }
          100% { opacity: 1; }
        }
        @keyframes collaboration-shot-two {
          0%, 40% { opacity: 0; }
          50%, 90% { opacity: 1; }
          100% { opacity: 0; }
        }
        .benefits-grid { display: grid; gap: 1rem; counter-reset: benefit-step; }
        .benefit-card { display: grid; grid-template-columns: minmax(100px, 30%) minmax(0, 1fr); align-items: start; gap: 1rem; padding: 1.4rem; border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
        .benefit-image { display: block; width: 100%; max-width: 150px; max-height: 150px; object-fit: contain; }
        .benefit-content { min-width: 0; }
        .benefit-content::before { counter-increment: benefit-step; content: counter(benefit-step); display: inline-grid; place-items: center; width: 2.6rem; height: 2.6rem; margin-bottom: .85rem; border-radius: 50%; background: #FFD7B5; color: #8A4B1F; font-weight: 800; }
        .benefit-card p { margin-bottom: 0; text-align: justify; }
        .exchange-grid { display: grid; gap: 1rem; max-width: 960px; margin: 0 auto; }
        .exchange-card { padding: clamp(1.4rem, 3vw, 2rem); border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
        .exchange-card p, .exchange-list li { text-align: justify; }
        .exchange-card h3 { margin-bottom: .55rem; color: var(--c-primary-dark); }
        .exchange-list { display: grid; gap: .9rem; margin: 1rem 0 0; padding: 0; list-style: none; counter-reset: exchange-step; }
        .exchange-list li { position: relative; padding: .35rem 0 .35rem 3.2rem; color: var(--c-muted); }
        .exchange-list li::before { counter-increment: exchange-step; content: counter(exchange-step); position: absolute; left: 0; top: .35rem; display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--c-green); color: var(--c-green-dark); font-weight: 800; }
        .collaboration-points { display: grid; gap: .75rem; margin: 1rem auto .25rem; padding: 0; list-style: none; }
        .collaboration-points li { display: flex; justify-content: center; align-items: center; gap: .6rem; color: var(--c-muted); font-size: 1.15rem; }
        .collaboration-points li::before { content: '✓'; flex: 0 0 auto; color: #2e9d50; font-weight: 800; font-size: 1.25rem; }
        .free-value-card { max-width: 680px; margin: 2rem auto 2.5rem; padding: 1.75rem 2rem; border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); text-align: center; }
        .free-value-header { display: inline-flex; align-items: center; justify-content: center; gap: .85rem; margin-bottom: .5rem; }
        .free-value-icon { width: 52px; height: 52px; object-fit: contain; }
        .free-value-card h3 { margin-bottom: 0; color: var(--c-primary-dark); font-size: clamp(1.4rem, 2.5vw, 1.7rem); }
        .free-value-card .free-value-subtitle { margin: .55rem 0 1.15rem; color: var(--c-muted); font-size: 1.15rem; }
        .scribble-orange::after { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 14' preserveAspectRatio='none'><path d='M4 9 Q 100 2 196 8' fill='none' stroke='%23FF8A3D' stroke-width='5' stroke-linecap='round'/></svg>"); }
        .business-fit-flow { display: flex; flex-direction: column; gap: clamp(2.2rem, 5vw, 3.75rem); max-width: 960px; margin: clamp(3rem, 6vw, 4.5rem) auto 0; }
        .business-fit-item { display: grid; align-items: center; gap: clamp(1.5rem, 4vw, 3.5rem); }
        .business-fit-img-wrap { display: flex; justify-content: center; align-items: center; }
        .business-fit-img { width: clamp(170px, 24vw, 240px); height: auto; aspect-ratio: 1 / 1; object-fit: contain; filter: drop-shadow(0 16px 28px rgba(13, 27, 42, .10)); }
        .business-fit-copy { font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.6; color: var(--c-text); }
        .business-fit-copy p { margin: 0; color: inherit; font-size: inherit; line-height: inherit; }
        .business-fit-copy strong { font-weight: 600; }
        .business-fit-highlight-green { color: #2ea854; }
        .business-fit-highlight-orange { color: #f57014; }
        .collaborators-section { padding-top: clamp(2.5rem, 5vw, 4rem); }
        .collaborators-list { display: flex; flex-wrap: wrap; justify-content: center; align-items: stretch; gap: .9rem; }
        .collaborator-item { display: flex; width: min(100%, 190px); }
        .collaborator-card { display: grid; grid-template-rows: 76px auto; place-items: center; gap: .65rem; width: 100%; min-height: 126px; padding: 1rem; border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; color: var(--c-text); text-align: center; box-shadow: var(--shadow-sm); }
        a.collaborator-card { text-decoration: none; transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease; }
        a.collaborator-card:hover { border-color: var(--c-primary); box-shadow: var(--shadow); transform: translateY(-2px); }
        a.collaborator-card:focus-visible { outline: 3px solid var(--c-primary-50); outline-offset: 3px; }
        .collaborator-logo { display: block; width: 100%; max-width: 150px; height: 76px; object-fit: contain; }
        .collaborator-name { font-size: .9rem; font-weight: 600; line-height: 1.3; }
        .steps { display: grid; gap: 1rem; max-width: 900px; margin: 0 auto; padding: 0; list-style: none; counter-reset: collaboration-step; }
        .steps li { position: relative; padding: 1.1rem 1.1rem 1.1rem 4rem; border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; color: var(--c-muted); text-align: justify; }
        .steps li::before { counter-increment: collaboration-step; content: counter(collaboration-step); position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--c-primary); color: #fff; font-weight: 800; }
        .collaboration-cta { padding: clamp(3.5rem, 8vw, 6rem) 0; text-align: center; }
        .collaboration-cta .container { max-width: 760px; }
        .collaboration-cta .privacy-note { margin: 1.2rem auto 0; max-width: 650px; font-size: .86rem; }
        @media (min-width: 800px) {
          .collaboration-hero-grid { grid-template-columns: 1.05fr .95fr; }
          .benefits-grid { grid-template-columns: repeat(2, 1fr); }
          .exchange-grid { grid-template-columns: repeat(2, 1fr); }
          .steps { grid-template-columns: repeat(2, 1fr); }
        }
        @media (min-width: 720px) {
          .business-fit-item { grid-template-columns: auto 1fr; }
          .business-fit-item.reverse { grid-template-columns: 1fr auto; }
          .business-fit-item.reverse .business-fit-img-wrap { order: 2; }
          .business-fit-item.reverse .business-fit-copy { order: 1; }
        }
        @media (max-width: 719px) {
          .business-fit-item { text-align: center; }
        }
        @media (max-width: 440px) {
          .collaborators-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
          .collaborator-item { width: 100%; }
          .collaborator-card { padding: .85rem; }
          .benefit-card { grid-template-columns: minmax(88px, 34%) minmax(0, 1fr); gap: .75rem; padding: 1.1rem; }
        }

/* Entrada común; cada colaboración conserva sus condiciones. */
.collaboration-intro { padding: clamp(2.5rem, 6vw, 5rem) 0 2rem; background: linear-gradient(145deg, var(--c-primary-50), #fff 60%, #fff6ee); }
.collaboration-intro .collaboration-heading { margin-bottom: 0; }
.collaboration-intro p { font-size: 1.1rem; }
.collaboration-choices { display: grid; gap: 1.25rem; margin: 2rem 0 0; }
.collaboration-choice { display: flex; flex-direction: column; align-items: center; padding: 1.5rem; border: 1px solid var(--c-border); border-radius: var(--radius-lg); background: white; color: var(--c-text); text-align: center; box-shadow: var(--shadow-sm); }
.collaboration-choice:hover { border-color: var(--c-primary); color: var(--c-text); box-shadow: var(--shadow); }
.collaboration-choice:focus-visible, summary:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 4px; }
.collaboration-choice img { width: 180px; height: 180px; object-fit: contain; margin-bottom: 1rem; }
.collaboration-choice h2 { font-size: 1.25rem; }
.collaboration-choice p { flex: 1; font-size: .95rem; }
.collaboration-choice span { color: var(--c-primary-dark); font-weight: 600; }
.collaboration-path { scroll-margin-top: 110px; }
.collaboration-section[id], #aparece { scroll-margin-top: 110px; }
.collaboration-pro { background: var(--c-bg-alt); }
.collaboration-pro .business-fit-flow { margin-top: 0; }
.collaboration-pro .business-fit-copy h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.collaboration-pro .business-fit-copy p { font-size: 1rem; }
.collaboration-pro .exchange-grid { margin-top: 2rem; }
.collaboration-pro .steps { margin: 2rem auto; }
.collaboration-note { max-width: 800px; margin: 1.5rem auto; padding: 1rem 1.25rem; border-left: 4px solid var(--c-primary); background: white; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.collaboration-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem; margin: 1.5rem 0; }
.collaboration-actions .btn { white-space: normal; text-align: center; }
.collaboration-conditions { max-width: 800px; margin: 2rem auto 0; }
.collaboration-conditions summary { cursor: pointer; color: var(--c-primary-dark); font-weight: 600; padding: .75rem 0; }
.collaboration-conditions p { margin-top: .75rem; }
.collaboration-small { text-align: center; font-size: .9rem; max-width: 800px; margin: 1rem auto 0; }
.collaboration-copy { max-width: 800px; margin: 0 auto; }
.collaboration-copy li { margin-bottom: .75rem; color: var(--c-muted); }
.collaboration-languages { display: flex; flex-wrap: wrap; gap: 1rem; }
@media (min-width: 800px) { .collaboration-choices { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 440px) { .collaboration-actions { flex-direction: column; } .collaboration-choice { padding: 1.25rem; } }
@media (prefers-reduced-motion: reduce) { .collaboration-phone .phone-shot { animation: none; } }