:root {
  --paper: #ece7dc;
  --ink: #17140f;
  --ink-soft: #4a443a;
  --wine: #6e1423;
  --gold: #a9824f;
  --line: #c7bfae;
  --paper-raise: #e2ddce;

  --f-display: "Fraunces", serif;
  --f-body: "Instrument Sans", sans-serif;
  --f-mono: "IBM Plex Mono", monospace;

  --dur: 0.9s;
  --ease: cubic-bezier(.16,.8,.24,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  overflow-x: hidden;
  position: relative;
}

.grain {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 40;
  mix-blend-mode: multiply;
}

.ribbon {
  position: fixed;
  top: 0;
  left: 0;
  width: 5px; 
  height: 100%;
  background: linear-gradient(180deg, var(--wine), var(--gold) 50%, var(--wine));
  z-index: 30;
}
@media (max-width: 640px) {
  .ribbon { width: 3px; }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 1s var(--ease), transform 1s var(--ease);
}
[data-reveal].in-view {
  opacity: 1;
  transform: translateY(0);
}

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8vh 6vw 6vh;
  position: relative;
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--wine);
  margin-bottom: 2.2rem;
  transition-delay: 0.05s;
}

.hero-title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(3rem, 9vw, 5.6rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  color: var(--ink);
}


.hero-sub {
  margin-top: 1.8rem;
  font-size: clamp(1.05rem, 2.6vw, 1.2rem);
  color: var(--ink-soft);
  letter-spacing: 0.01em;
  max-width: 460px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.4;
}


@media (max-width: 640px) {
  .hero {
    padding-top: 12vh;
    padding-bottom: 10vh;
    min-height: 100dvh;
  }

  .hero-title {
    font-size: 4.1rem;    
    line-height: 1.05;
    padding: 0 0.8rem;
  }

  .hero-sub {
    font-size: 1.1rem;
    max-width: 100%;
    padding: 0 1.2rem;
    margin-top: 1.4rem;
  }

  .institution {
    font-size: 1.15rem;
    margin-bottom: 1.6rem;
  }
}
.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .em {
  font-style: italic;
  font-weight: 400;
  color: var(--wine);
}

.hero-title[data-reveal] { transition-delay: 0.12s; }
.hero-sub[data-reveal] { transition-delay: 0.25s; }

.hero-rule {
  width: 1px;
  height: 60px;
  background: var(--line);
  margin: 3rem auto 0;
  transform-origin: top;
}
.hero-rule[data-reveal] {
  transform: scaleY(0);
  opacity: 1;
  transition: transform 1.1s var(--ease) 0.4s;
}
.hero-rule[data-reveal].in-view { transform: scaleY(1); }

.scroll-cue {
  position: absolute;
  bottom: 6vh;
  left: 50%;
  transform: translateX(-50%);
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: floatY 2.6s ease-in-out infinite;
}
.scroll-cue svg { color: var(--wine); }

@keyframes floatY {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

main { max-width: 920px; margin: 0 auto; padding: 4vh 6vw 10vh; }

.toc {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: 6vh;
}
.toc-label {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--wine);
  white-space: nowrap;
}
.toc-rule { flex: 1; height: 1px; background: var(--line); }

.carrera {
  margin-bottom: 9vh;
}

.carrera-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 1.2rem;
}

.carrera-folio {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  color: var(--gold);
}

.carrera-nombre {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.1;
}

.carrera-clave {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
  white-space: nowrap;
}

.carrera-rule {
  height: 1px;
  background: var(--line);
  margin: 1.4rem 0 2.2rem;
}

.egresados {
  list-style: none;
  display: flex;
  flex-direction: column;
}

.egresado {
  padding: 0;
  border-bottom: 1px solid var(--paper-raise);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.egresado.in-view { opacity: 1; transform: translateY(0); }

.egresado:last-child { border-bottom: none; }

.egresado-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0.4rem;
  margin: 0 -0.4rem;
  text-decoration: none;
  color: inherit;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.3s var(--ease), padding-left 0.3s var(--ease);
}
.egresado-link:hover,
.egresado-link:focus-visible {
  background: var(--paper-raise);
  padding-left: 0.8rem;
}
.egresado-link:hover .egresado-arrow,
.egresado-link:focus-visible .egresado-arrow {
  opacity: 1;
  transform: translateX(0);
}
.egresado-link:hover .egresado-nombre,
.egresado-link:focus-visible .egresado-nombre {
  color: var(--wine);
}

.egresado-foto {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 1px solid var(--line);
  background: var(--paper-raise);
  opacity: 0;
  transform: scale(0.7);
  transition: opacity 0.5s var(--ease) 0.1s, transform 0.5s cubic-bezier(.34,1.56,.64,1) 0.1s;
}
.egresado.in-view .egresado-foto { opacity: 1; transform: scale(1); }

.egresado-foto img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.egresado-nombre {
  font-family: var(--f-display);
  font-size: clamp(1.05rem, 2.4vw, 1.5rem);
  font-weight: 400;
  display: inline-flex;
  flex-wrap: wrap;
  transition: color 0.3s var(--ease);
}

.egresado-arrow {
  margin-left: auto;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}

@media (max-width: 640px) {
  .egresado-arrow { display: none; }
}

.egresado-nombre .char {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.4em);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}
.egresado.in-view .egresado-nombre .char { opacity: 1; transform: translateY(0); }

.site-footer {
  text-align: center;
  padding: 6vh 6vw 8vh;
  color: var(--ink-soft);
}
.site-footer p { font-family: var(--f-display); font-style: italic; font-size: 1.05rem; }
.footer-fine {
  margin-top: 0.8rem;
  font-family: var(--f-mono);
  font-style: normal;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal], .egresado, .seal, .egresado-nombre .char, .scroll-cue {
    transition: none !important;
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

:focus-visible {
  outline: 2px solid var(--wine);
  outline-offset: 3px;
}

.search-wrapper {
  position: relative;
  margin-bottom: 3.5rem;
 
}

#searchInput {
  width: 100%;
  padding: 1rem 1.4rem;
  font-size: 1.05rem;
  font-family: var(--f-body);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  transition: all 0.3s var(--ease);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

#searchInput:focus {
  outline: none;
  border-color: var(--wine);
  box-shadow: 0 4px 16px rgba(110, 20, 35, 0.1);
  transform: translateY(-1px);
}

#searchInput::placeholder {
  color: var(--ink-soft);
  opacity: 0.6;
}

.search-count {
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  color: var(--gold);
  background: var(--paper);
  padding: 2px 10px;
  border-radius: 999px;
  display: none;
}

.generacion-wrapper {
  margin-bottom: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.3s var(--ease);
}

.generacion-wrapper:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.generacion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s ease;
}

.generacion-header:hover {
  background: var(--paper-raise);
}

.gen-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.gen-nombre {
  font-family: var(--f-display);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
}

.gen-count {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  color: var(--ink-soft);
  background: var(--paper);
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.gen-toggle {
  font-size: 0.9rem;
  color: var(--gold);
  transition: transform 0.3s var(--ease);
  width: 20px;
  text-align: center;
}

.egresados-lista {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  background: var(--paper);
}

.egresados-lista .egresado {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}

.egresados-lista .egresado .egresado-foto {
  opacity: 1 !important;
  transform: scale(1) !important;
  transition: none !important;
}

.egresados-lista .egresado-nombre .char {
  opacity: 1 !important;
  transform: none !important;
  transition: none !important;
}


.egresados-lista .egresado[style*="none"] {
  display: none !important;
}


@media (max-width: 640px) {
  .search-wrapper {
    margin-bottom: 2.5rem;
  }
  
  #searchInput {
    font-size: 1rem;
    padding: 0.95rem 1.2rem;
  }

  .gen-nombre {
    font-size: 1.05rem;
  }
  
  .generacion-header {
    padding: 0.9rem 1rem;
  }
}
.modal-asistencia {
  position: fixed;
  inset: 0;
  background: rgba(23, 20, 15, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 20px;
}

.modal-contenido {
  background: var(--paper);
  max-width: 460px;
  width: 100%;
  padding: 2.2rem 1.8rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
  border: 1px solid var(--line);
}

.modal-contenido h2 {
  font-family: var(--f-display);
  font-size: 1.65rem;
  margin-bottom: 1rem;
  color: var(--ink);
}

.modal-contenido p {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.whatsapp-numero {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--wine);
  margin: 1rem 0;
  letter-spacing: 1px;
}

.mensaje-plantilla {
  background: #f8f5f0;
  border: 1px solid var(--line);
  padding: 1rem 1.2rem;
  border-radius: 10px;
  font-family: var(--f-mono);
  font-size: 0.95rem;
  line-height: 1.7;
  text-align: left;
  margin: 1rem auto;
  max-width: 320px;
}

.mensaje-plantilla span {
  color: var(--wine);
  font-weight: 600;
}

.nota-importante {
  font-size: 0.85rem !important;
  color: #666 !important;
  margin-top: 1rem;
}

.btn-cerrar-modal {
  margin-top: 1.5rem;
  background: var(--wine);
  color: white;
  border: none;
  padding: 0.85rem 2.4rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-cerrar-modal:hover {
  background: #4a0e18;
  transform: translateY(-2px);
}
.institution {
  font-family: var(--f-display);
  font-size: clamp(1.1rem, 3.2vw, 1.65rem);
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 1.8rem;
  letter-spacing: -0.01em;
  line-height: 1.1;
}


@media (max-width: 640px) {
  .institution {
    font-size: 1.25rem;
    margin-bottom: 1.4rem;
  }
}