/* ===== CiSoE — diseño editorial minimalista (paleta azul-verde pastel) ===== */
:root {
  --bg: #eef1f8;
  --fg: #2b3147;
  --muted: #5f6781;
  --surface: #e7ecf6;
  --card: #ffffff;
  --primary: #5b6fc0;
  --primary-fg: #ffffff;
  --accent: #9cc09a;
  --border: #d7deec;
  --ghost: #dfe5f2;
  --font-display: "Inria Sans", system-ui, sans-serif;
  --font-serif: "Inria Sans", Georgia, serif;
  --maxw: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 10rem; }
body {
  background:
    linear-gradient(80deg, rgba(238,241,248,0.52), rgba(231,236,246,0.60)),
    url("cisoe-bg.png") center center / cover no-repeat,
    linear-gradient(135deg, #c7d4ec 0%, #d9e6d6 55%, #cdd9ee 100%);
  color: var(--fg);
  font-family: var(--font-display);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
::selection { background: var(--primary); color: var(--primary-fg); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ===== Tipografía ===== */
.eyebrow {
  font-weight: 600; letter-spacing: 0.28em; text-transform: uppercase;
  font-size: 0.72rem; color: var(--primary); margin-bottom: 0.75rem;
}
.display-title {
  font-family: var(--font-display); font-weight: 800;
  letter-spacing: -0.01em; line-height: 1.04; text-transform: uppercase;
}
h1.display-title { font-size: clamp(2.2rem, 5vw, 4rem); }
h2.display-title { font-size: clamp(1.8rem, 4vw, 3rem); }
.subtitle {
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  margin: 2rem 0 1rem; letter-spacing: -0.01em;
}
.prose-cisoe p, .hero-lead, .office-card p, .card p, .founder-bio p {
  font-family: var(--font-serif);
}

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(238,241,248,0.8); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); transition: box-shadow .3s;
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(43,49,71,0.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 9rem; }
.brand { display: flex; align-items: center; line-height: 1.1; }
.brand-logo { height: 120px; width: auto; display: block; }
.brand-mark { font-weight: 800; font-size: 1.4rem; letter-spacing: -0.02em; }
.brand-sub { font-size: 0.62rem; color: var(--muted); letter-spacing: 0.04em; max-width: 16rem; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a { font-weight: 500; font-size: 0.95rem; position: relative; padding: 0.25rem 0; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--primary); transition: width .25s;
}
.nav-links a:hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--fg); transition: .3s; }

/* ===== Hero ===== */
.hero { position: relative; padding: 13rem 0 5rem; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(60% 60% at 80% 10%, rgba(91,111,192,0.14), transparent 70%);
}
.hero-inner { max-width: 780px; }
.hero-lead { font-size: 1.2rem; color: var(--muted); margin: 1.5rem 0 2rem; line-height: 1.7; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ===== Botones ===== */
.btn {
  display: inline-block; font-weight: 600; font-size: 0.95rem;
  padding: 0.75rem 1.5rem; border-radius: 4px; border: 1px solid transparent;
  cursor: pointer; transition: .2s; font-family: var(--font-display);
}
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { filter: brightness(0.95); }
.btn-ghost { border-color: var(--border); background: rgba(255,255,255,0.6); }
.btn-ghost:hover { background: var(--card); }

/* ===== Novedades (sección de noticias) ===== */
.news { padding: 4rem 0; border-bottom: 1px solid var(--border); background: rgba(231,236,246,0.6); backdrop-filter: blur(4px); }
.news-heading { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-top: 0.2rem; }
.news-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 2.5rem; margin-top: 2rem; align-items: start; }

.news-card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(43,49,71,0.12); }
.news-card-img { aspect-ratio: 16/9; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { padding: 1.6rem 1.75rem; }
.news-card-body h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 1.35rem; line-height: 1.15; margin: 0.5rem 0 0.6rem; }
.news-card-body p { font-family: var(--font-serif); color: var(--muted); line-height: 1.6; }
.news-date { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: var(--primary); }
.news-link { display: inline-block; margin-top: 1rem; font-weight: 600; color: var(--primary); font-size: 0.9rem; }

.news-side { list-style: none; display: grid; gap: 1rem; }
.news-mini { display: flex; gap: 1rem; background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 0.85rem; transition: transform .2s, box-shadow .2s; }
.news-mini:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(43,49,71,0.1); }
.news-mini-img { width: 7rem; height: 5.5rem; flex-shrink: 0; border-radius: 4px; overflow: hidden; }
.news-mini-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.news-mini:hover .news-mini-img img { transform: scale(1.05); }
.news-mini-body { min-width: 0; }
.news-mini-body h4 { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; font-size: 0.92rem; line-height: 1.2; margin: 0.3rem 0; }
.news-mini-body p { font-size: 0.82rem; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== Secciones ===== */
.section { padding: 5rem 0; }
.section-alt { background: rgba(231,236,246,0.6); backdrop-filter: blur(4px); }
.section-head { display: flex; align-items: flex-end; gap: 1.5rem; margin-bottom: 3rem; }
.section-number {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem,8vw,6rem);
  line-height: 0.7; color: var(--ghost); letter-spacing: -0.04em; user-select: none;
}
.subsection { margin-top: 3rem; }

/* ===== Fundadores (tarjetas tipo perfil con animación de bolita) ===== */
.founders { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2.5rem; align-items: stretch; }

.founder-card { position: relative; height: 100%; padding-top: 30px; }

.founder-card__ball {
  position: absolute; top: 0; left: 50%; z-index: 2;
  width: 110px; height: 110px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; font-size: 2rem;
  box-shadow: 0 0 0 8px rgba(43,49,71,0.06);
  transform: translateX(-50%) scale(0);
  transition: transform .55s cubic-bezier(0.34,1.56,0.64,1) var(--d, 0ms), box-shadow .3s;
}
.founder-card__ball.primary { background: var(--primary); color: var(--primary-fg); }
.founder-card__ball.secondary { background: var(--accent); color: #fff; }
.founder-card.is-active .founder-card__ball { transform: translateX(-50%) scale(1); }
.founder-card:hover .founder-card__ball { box-shadow: 0 0 0 14px rgba(43,49,71,0.08); }

.founder-card__body {
  height: 100%; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 3px 6px rgba(43,49,71,0.10), 0 10px 26px rgba(43,49,71,0.08);
  clip-path: circle(0px at 50% 85px); opacity: 0;
  transition: clip-path .75s cubic-bezier(0.22,1,0.36,1) calc(var(--d, 0ms) + 0.3s), opacity .3s ease calc(var(--d, 0ms) + 0.3s);
}
.founder-card.is-active .founder-card__body { clip-path: circle(160% at 50% 85px); opacity: 1; }

.founder-head {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 130px 1.5rem 1.4rem; border-bottom: 2px dashed var(--border);
}
.founder-name { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.02em; font-size: 1.1rem; color: var(--primary); }
.founder-role { font-weight: 600; font-size: 0.9rem; margin-top: 0.35rem; }
.founder-subtitle { color: var(--muted); font-size: 0.78rem; margin-top: 0.25rem; }
.founder-bio { padding: 1.3rem 1.5rem 1.6rem; }
.founder-bio p { font-family: var(--font-serif); color: var(--muted); line-height: 1.7; margin-bottom: 0.75rem; font-size: 0.92rem; }

.founder-card__text { opacity: 0; transform: translateY(10px); transition: opacity .5s ease calc(var(--d, 0ms) + 0.7s), transform .5s ease calc(var(--d, 0ms) + 0.7s); }
.founder-card.is-active .founder-card__text { opacity: 1; transform: none; }

/* ===== Temas (tarjetas con detalle) ===== */
.temas { display: grid; grid-template-columns: repeat(auto-fill,minmax(260px,1fr)); gap: 1rem; }
.tema-card {
  display: flex; flex-direction: column; gap: 0.5rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  padding: 1.4rem 1.5rem; transition: transform .2s, box-shadow .2s, border-color .2s;
}
.tema-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(43,49,71,0.1); border-color: var(--primary); }
.tema-num { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; color: rgba(91,111,192,0.7); }
.tema-title { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 600; }
.tema-lead { color: var(--muted); font-size: 0.9rem; line-height: 1.5; }
.tema-link { margin-top: auto; color: var(--primary); font-weight: 600; font-size: 0.85rem; padding-top: 0.4rem; }

/* ===== Grid de tarjetas ===== */
.grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 1.5rem; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  padding: 1.5rem; transition: .2s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(43,49,71,0.1); }
.card h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.card-cta { margin-top: 1rem; color: var(--primary); font-weight: 600; font-size: 0.88rem; }
.card-meta { display: flex; flex-direction: column; gap: 0.4rem; margin-top: 1rem; }
.card-meta a, .card-doc {
  font-size: 0.85rem; color: var(--primary); font-weight: 600; font-family: var(--font-display);
}
.card-tag {
  align-self: flex-start; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); background: var(--surface); padding: 0.2rem 0.6rem; border-radius: 999px; margin-bottom: 0.75rem;
}

/* ===== Filtros ===== */
.filters { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.filters button {
  border: 1px solid var(--border); background: var(--card); cursor: pointer;
  padding: 0.45rem 1rem; border-radius: 999px; font-weight: 600; font-size: 0.85rem;
  font-family: var(--font-display); transition: .2s;
}
.filters button.active { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }

/* ===== Contacto ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact-form { display: grid; gap: 1rem; }
.contact-form label { display: grid; gap: 0.4rem; font-weight: 600; font-size: 0.9rem; }
.contact-form input, .contact-form textarea {
  border: 1px solid var(--border); border-radius: 4px; padding: 0.7rem 0.9rem;
  font-family: var(--font-serif); font-size: 1rem; background: var(--card); color: var(--fg);
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.form-note { color: var(--primary); font-weight: 600; }
.offices { display: grid; gap: 2rem; }
.office-card { border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: var(--card); }
.office-body { padding: 1.25rem 1.5rem; }
.office-city { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; }
.office-card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 0.25rem; }
.office-card iframe { width: 100%; height: 220px; border: 0; display: block; }

/* ===== Página de detalle ===== */
.detail-main { padding: 12rem 0 4rem; }
.detail { max-width: 760px; }
.back-link { display: inline-block; color: var(--primary); font-weight: 600; font-size: 0.9rem; margin-bottom: 1.5rem; }
.back-link:hover { text-decoration: underline; }
.detail-hero { border-radius: 8px; overflow: hidden; margin-bottom: 2rem; aspect-ratio: 16/9; }
.detail-hero img { width: 100%; height: 100%; object-fit: cover; }
.detail-title { margin: 0.4rem 0 1rem; font-size: clamp(1.8rem, 4vw, 2.8rem); }
.detail-lead { font-family: var(--font-serif); font-size: 1.3rem; line-height: 1.6; color: var(--fg); margin-bottom: 1.5rem; }
.detail .prose-cisoe p { color: var(--muted); line-height: 1.8; margin-bottom: 1rem; font-size: 1.05rem; }
.detail-subhead { font-family: var(--font-display); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.95rem; margin: 2rem 0 0.75rem; }
.detail-docs ul, .detail-others ul { list-style: none; display: grid; gap: 0.6rem; }
.detail-docs li, .detail-others li { background: var(--card); border: 1px solid var(--border); border-radius: 4px; padding: 0.7rem 1rem; }
.detail-others a { color: var(--primary); font-weight: 600; }
.detail-links { margin-top: 1.5rem; display: flex; gap: 0.75rem; flex-wrap: wrap; }
.detail-notfound { padding: 3rem 0; text-align: center; }
.detail-notfound p { color: var(--muted); margin: 0.75rem 0 1.5rem; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--border); padding: 2.5rem 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-logo { height: 144px; width: auto; display: block; margin-bottom: 0.5rem; }
.footer p { color: var(--muted); font-size: 0.9rem; }
.copy { font-size: 0.85rem; }

/* ===== Animación reveal (en ambos sentidos: bajar y subir) ===== */
.reveal, .anim { opacity: 0; transition: opacity .7s ease, transform .7s cubic-bezier(0.22,1,0.36,1); will-change: opacity, transform; }
.reveal, .anim[data-from="up"] { transform: translateY(28px); }
.anim[data-from="down"] { transform: translateY(-28px); }
.anim[data-from="left"] { transform: translateX(-28px); }
.anim[data-from="right"] { transform: translateX(28px); }
.reveal.visible, .anim.visible { opacity: 1; transform: none; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .news-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav-links {
    position: fixed; top: 9rem; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-left: 1px solid var(--border); border-bottom: 1px solid var(--border);
    width: 240px; padding: 1rem 1.5rem; transform: translateX(110%); transition: transform .3s;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
  .nav-toggle { display: flex; }
  .contact-grid { grid-template-columns: 1fr; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

/* ================= Landing del libro ================= */
.libro-main { padding-bottom: 2rem; }
.libro-hero { padding: 11rem 0 4rem; }
.libro-hero-grid { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .libro-hero-grid { grid-template-columns: 7fr 5fr; } }
.libro-panel {
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(4px);
  padding: 2.5rem;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}
@media (min-width: 700px) { .libro-panel { padding: 3rem; } }
.back-link { display: inline-block; margin-bottom: 1.75rem; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--primary); text-decoration: none; }
.back-link:hover { opacity: 0.8; }
.libro-title { margin: 0.75rem 0 0; font-size: clamp(2.2rem, 5vw, 3.6rem); }
.libro-h2 { margin: 0.5rem 0 0; font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
.accent-rule { width: 3.5rem; height: 3px; background: var(--primary); margin-top: 1.5rem; }
.libro-lead { margin: 1.5rem 0; font-family: var(--font-serif, "Spectral", serif); font-size: 1.15rem; line-height: 1.7; }
.libro-meta { font-size: 0.9rem; color: var(--muted-fg, #667); }
.libro-cover img { width: 100%;    height: auto; max-width: 22rem; margin: 0 auto; display: block; filter: drop-shadow(0 18px 30px rgba(0,0,0,0.25)); }
.libro-section { padding: 3rem 0; }
.libro-highlights { display: grid; gap: 1.5rem; }
@media (min-width: 800px) { .libro-highlights { grid-template-columns: repeat(3, 1fr); } }
.libro-hl { background: rgba(255,255,255,0.88); backdrop-filter: blur(4px); padding: 2rem; box-shadow: 0 8px 20px rgba(0,0,0,0.07); }
.libro-hl-icon { width: 24px; height: 24px; color: var(--primary); display: block; }
.libro-hl h2 { margin: 1rem 0 0.6rem; font-size: 1.1rem; }
.libro-hl p { font-size: 0.95rem; line-height: 1.65; color: var(--muted-fg, #667); }
.libro-narrow { max-width: 56rem; }
.libro-chapters { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; gap: 0.75rem; }
.libro-chapters li { display: flex; gap: 1rem; align-items: flex-start; background: rgba(255,255,255,0.88); backdrop-filter: blur(4px); padding: 1.1rem 1.25rem; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.libro-ch-num { font-weight: 800; color: var(--primary); }
.libro-form-wrap { max-width: 46rem; scroll-margin-top: 10rem; }
#descargar { scroll-margin-top: 9rem; }
.libro-form { margin-top: 2rem; display: grid; gap: 1.25rem; }
.libro-form-row { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .libro-form-row { grid-template-columns: 1fr 1fr; } }
.libro-form label { display: block; }
.libro-form label span { display: block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted-fg, #667); }
.libro-form input { margin-top: 0.5rem; width: 100%; padding: 0.8rem 1rem; border: 1px solid var(--border); background: #fff; font: inherit; outline: none; }
.libro-form input:focus { border-color: var(--primary); }
.libro-form .btn { justify-self: start; }
.libro-note { font-size: 0.78rem; color: var(--muted-fg, #667); }
.libro-ok { margin-top: 2rem; font-size: 1rem; line-height: 1.6; }

.flipbook{

    width:100%;

    height:700px;

    margin:auto;

}

.page{

    background:white;

}

.page canvas{

    width:100%;

    height:100%;

    object-fit:contain;

}