/* =============================================================================
   Instituto Técnico PROA — sistema de diseño
   Paleta: borgoña institucional + papel cálido + latón como acento.
   Tipografía: Fraunces (display, editorial) + Archivo (texto e interfaz).
   ========================================================================== */

/* ---------------------------------------------------------------- 1. Tokens */
:root {
  /* Marca */
  --wine: #7e242b;
  --wine-deep: #5a161c;
  --wine-ink: #360a0f;
  --wine-soft: #a7454c;
  --brass: #b98b2e;

  /* Neutros cálidos */
  --ink: #17110f;
  --ink-2: #524642;
  --ink-3: #857772;
  --paper: #f8f5f2;
  --paper-2: #efe8e2;
  --paper-3: #e4dbd3;
  --white: #fff;

  /* Superficies y líneas */
  --bg: var(--paper);
  --line: rgba(23, 17, 15, .13);
  --line-soft: rgba(23, 17, 15, .07);
  --line-dark: rgba(248, 245, 242, .16);

  /* Tipografía */
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --t--1: clamp(.75rem, .73rem + .1vw, .8rem);
  --t-0: clamp(.98rem, .95rem + .15vw, 1.06rem);
  --t-1: clamp(1.1rem, 1.04rem + .3vw, 1.28rem);
  --t-2: clamp(1.35rem, 1.2rem + .7vw, 1.75rem);
  --t-3: clamp(1.8rem, 1.5rem + 1.4vw, 2.8rem);
  --t-4: clamp(2.1rem, 1.6rem + 2.3vw, 3.5rem);
  --t-5: clamp(2.7rem, 1.75rem + 4.1vw, 5rem);

  /* Ritmo */
  --shell: 1280px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --sec-y: clamp(5rem, 9vw, 9rem);
  --r: 4px;

  /* Movimiento */
  --ease: cubic-bezier(.2, .7, .25, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

/* ------------------------------------------------------------------ 2. Base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--t-0);
  line-height: 1.62;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.022em;
  font-variation-settings: "opsz" 120;
  text-wrap: balance;
}

p {
  margin: 0;
  text-wrap: pretty;
}

ul,
ol,
dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

::selection {
  background: var(--wine);
  color: var(--paper);
}

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

.skip-link {
  position: fixed;
  top: .75rem;
  left: .75rem;
  z-index: 200;
  padding: .7rem 1.1rem;
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r);
  transform: translateY(-160%);
  transition: transform .25s var(--ease);
}

.skip-link:focus-visible {
  transform: none;
}

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --------------------------------------------------- 3. Isotipo y pictogramas */
.mk-o {
  fill: none;
  stroke: currentColor;
  stroke-width: 6;
}

.mk-f {
  fill: currentColor;
}

.ico-arrow {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

/* --------------------------------------------------------- 4. Micro-tipografía */
.kicker {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--wine);
}

.kicker .num {
  font-family: var(--display);
  font-size: 1.1em;
  letter-spacing: 0;
  color: var(--ink-3);
}

.kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
  max-width: 6rem;
}

.eyebrow {
  display: inline-flex;
  align-self: flex-start;
  align-items: center;
  gap: .6rem;
  font-size: var(--t--1);
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, .78);
}

.eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 0 4px rgba(185, 139, 46, .2);
}

.sec-title {
  font-size: var(--t-4);
  margin-top: 1.1rem;
}

.sec-lead {
  max-width: 46ch;
  margin-top: 1.4rem;
  color: var(--ink-2);
  font-size: var(--t-1);
  line-height: 1.55;
}

.sec-head {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.sec-head--split {
  display: grid;
  gap: 1.5rem clamp(2rem, 6vw, 5rem);
  grid-template-columns: 1fr;
  align-items: end;
}

.sec-head--center {
  text-align: center;
}

.sec-head--center .kicker {
  justify-content: center;
}

.sec-head--center .kicker::after {
  display: none;
}

@media (min-width:900px) {
  .sec-head--split {
    grid-template-columns: 1.05fr .95fr;
  }

  .sec-head--split .sec-lead {
    margin-top: 0;
    padding-bottom: .4rem;
  }
}

/* ---------------------------------------------------------------- 5. Botones */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--ink);
  --btn-line: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  padding: .72rem 1.15rem;
  border: 1px solid var(--btn-line);
  border-radius: var(--r);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: .09em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background .3s var(--ease), color .3s var(--ease),
    border-color .3s var(--ease), transform .3s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn .ico-arrow {
  transition: transform .35s var(--ease-out);
}

.btn:hover .ico-arrow {
  transform: translateX(3px);
}

.btn-solid {
  --btn-bg: var(--wine);
  --btn-fg: var(--paper);
  --btn-line: var(--wine);
}

.btn-solid:hover {
  --btn-bg: var(--wine-deep);
  --btn-line: var(--wine-deep);
}

.btn-line {
  --btn-line: var(--line);
  --btn-fg: var(--ink);
}

.btn-line:hover {
  --btn-line: var(--ink);
  --btn-bg: var(--ink);
  --btn-fg: var(--paper);
}

.btn-ghost {
  --btn-fg: currentColor;
  --btn-line: currentColor;
  opacity: .82;
}

.btn-ghost:hover {
  opacity: 1;
}

.btn-lg {
  padding: 1rem 1.6rem;
  font-size: var(--t--1);
}

.btn-block {
  width: 100%;
}

/* ---------------------------------------------------- 6. Barra de progreso */
.scroll-rail {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 120;
  pointer-events: none;
}

.scroll-rail span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--wine), var(--brass));
  transition: width .1s linear;
}

/* ---------------------------------------------------------- 7. Encabezado */
.site-head {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 110;
  color: var(--paper);
  transition: background .4s var(--ease), color .4s var(--ease),
    box-shadow .4s var(--ease), backdrop-filter .4s var(--ease);
}

.site-head::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: var(--line-dark);
  opacity: 0;
  transition: opacity .4s var(--ease);
}

.head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: clamp(1rem, 2vw, 1.6rem);
  transition: padding .4s var(--ease);
}

.site-head.is-stuck {
  background: rgba(248, 245, 242, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  color: var(--ink);
}

.site-head.is-stuck::after {
  opacity: 1;
  background: var(--line);
}

.site-head.is-stuck .head-inner {
  padding-block: .7rem;
}

.site-head.is-stuck .brand-mark {
  color: var(--wine);
}

.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
  flex: none;
}

.brand-mark {
  width: 30px;
  height: 32px;
  color: currentColor;
  transition: color .4s var(--ease), transform .5s var(--ease-out);
}

.brand:hover .brand-mark {
  transform: rotate(-4deg) scale(1.04);
}

.brand-type {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-type strong {
  font-family: var(--display);
  font-size: 1.32rem;
  font-weight: 600;
  letter-spacing: -.01em;
}

.brand-type em {
  font-style: normal;
  font-size: .56rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .72;
  margin-top: .28rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.2rem);
}

.nav-list a {
  position: relative;
  font-size: var(--t--1);
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding-block: .4rem;
  opacity: .8;
  transition: opacity .25s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease-out);
}

.nav-list a:hover,
.nav-list a.is-active {
  opacity: 1;
}

.nav-list a:hover::after,
.nav-list a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: .6rem;
}

.burger {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  margin-right: -10px;
  background: none;
  border: 0;
  cursor: pointer;
}

.burger span {
  position: absolute;
  left: 11px;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform .4s var(--ease-out), opacity .2s var(--ease);
}

.burger span:nth-child(1) {
  top: 19px;
}

.burger span:nth-child(2) {
  top: 25px;
}

.burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.burger[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

@media (max-width:900px) {
  .burger {
    display: block;
  }

  .nav {
    position: fixed;
    inset: 0;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 2.5rem;
    padding: var(--gutter);
    background: var(--wine-ink);
    color: var(--paper);
    clip-path: inset(0 0 100% 0);
    transition: clip-path .55s var(--ease-out);
    pointer-events: none;
  }

  .nav.is-open {
    clip-path: inset(0);
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: .2rem;
  }

  .nav-list a {
    font-family: var(--display);
    font-size: clamp(2rem, 9vw, 3.2rem);
    text-transform: none;
    letter-spacing: -.02em;
    opacity: 1;
  }

  .nav-cta {
    flex-direction: column;
    align-items: stretch;
    width: min(100%, 22rem);
    gap: .8rem;
  }

  .nav-cta .btn {
    justify-content: space-between;
    padding-block: 1rem;
  }

  body.nav-open {
    overflow: hidden;
  }
}

/* ---------------------------------------------------------------- 8. Hero */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100svh;
  padding-top: clamp(6rem, 10vh, 7.5rem);
  background: var(--wine-deep);
  color: var(--paper);
  isolation: isolate;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(167, 69, 76, .55), transparent 58%),
    radial-gradient(90% 70% at 8% 100%, rgba(54, 10, 15, .85), transparent 60%),
    linear-gradient(168deg, var(--wine) 0%, var(--wine-deep) 46%, var(--wine-ink) 100%);
}

.hero-bg::before {
  /* Retícula editorial de columnas */
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(248, 245, 242, .07) 1px, transparent 1px);
  background-size: 25% 100%;
  mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
}

.hero-grain {
  position: absolute;
  inset: -50%;
  opacity: .055;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='260' height='260'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.hero-watermark {
  position: absolute;
  right: clamp(1rem, 6vw, 6rem);
  top: 50%;
  width: min(42vw, 380px);
  height: auto;
  translate: 0 -50%;
  color: rgba(248, 245, 242, .085);
  animation: markIn 1.6s var(--ease-out) both;
}

@keyframes markIn {
  from {
    opacity: 0;
    transform: rotate(-6deg) scale(1.08);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.hero-inner {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: clamp(2.5rem, 4.5vw, 4rem);
}

.rail {
  position: absolute;
  left: .25rem;
  bottom: 8rem;
  margin: 0;
  font-size: var(--t--1);
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, .5);
  writing-mode: vertical-rl;
  display: none;
}

.rail::after {
  content: "";
  display: block;
  width: 1px;
  height: 4rem;
  margin: 1rem auto 0;
  background: linear-gradient(rgba(248, 245, 242, .4), transparent);
}

@media (min-width:1180px) {
  .rail {
    display: block;
  }
}

.hero-title {
  font-size: var(--t-5);
  font-weight: 300;
  line-height: .94;
  letter-spacing: -.035em;
  font-variation-settings: "opsz" 144;
  margin-top: clamp(1.2rem, 2.2vw, 1.8rem);
  max-width: 15ch;
}

.hero-title .line {
  display: block;
}

.hero-title .em {
  font-style: italic;
  font-weight: 400;
  color: #f3d9b0;
}

.hero-lead {
  max-width: 50ch;
  margin-top: clamp(1.2rem, 2.2vw, 1.7rem);
  font-size: var(--t-0);
  line-height: 1.65;
  color: rgba(248, 245, 242, .76);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: clamp(1.6rem, 3vw, 2.2rem);
}

.hero .btn-solid {
  --btn-bg: var(--paper);
  --btn-fg: var(--wine-ink);
  --btn-line: var(--paper);
}

.hero .btn-solid:hover {
  --btn-bg: #fff;
  --btn-line: #fff;
}

.hero .btn-line {
  --btn-line: rgba(248, 245, 242, .35);
  --btn-fg: var(--paper);
}

.hero .btn-line:hover {
  --btn-bg: rgba(248, 245, 242, .1);
  --btn-line: rgba(248, 245, 242, .7);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: clamp(2rem, 3.6vw, 3rem);
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-dark);
  max-width: 44rem;
}

.hero-facts dt {
  font-size: var(--t--1);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, .55);
}

.hero-facts dd {
  margin: .35rem 0 0;
  font-family: var(--display);
  font-size: var(--t-2);
  letter-spacing: -.02em;
}

@media (max-width:560px) {

  /* En pantallas chicas los datos leen mejor como ficha: etiqueta / valor */
  .hero-actions .btn {
    width: 100%;
  }

  .hero-facts {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0;
    padding-top: 0;
  }

  .hero-facts>div {
    display: contents;
  }

  .hero-facts dt,
  .hero-facts dd {
    padding-block: .8rem;
    border-top: 1px solid var(--line-dark);
  }

  .hero-facts dd {
    margin: 0;
    text-align: right;
    font-size: var(--t-1);
  }

  .hero-facts>div:first-child dt,
  .hero-facts>div:first-child dd {
    border-top: 0;
  }
}

/* Marquesina */
.marquee {
  position: relative;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding-block: .95rem;
  overflow: hidden;
  background: rgba(54, 10, 15, .35);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: slide 38s linear infinite;
}

.marquee span {
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  white-space: nowrap;
}

.marquee i {
  color: var(--brass);
  font-style: normal;
  font-size: .7em;
}

@keyframes slide {
  to {
    transform: translateX(-50%);
  }
}

/* ------------------------------------------------------------- 9. Secciones */
.section {
  position: relative;
  padding-block: var(--sec-y);
}

.escuelas {
  background: var(--paper);
}

/* Escuelas */
.school-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

@media (min-width:640px) {
  .school-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width:1080px) {
  .school-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.school {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: clamp(1.6rem, 2.6vw, 2.2rem);
  background: var(--paper);
  isolation: isolate;
  transition: color .45s var(--ease);
}

.school::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--wine);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .5s var(--ease-out);
}

.school:hover {
  color: var(--paper);
}

.school:hover::before {
  transform: scaleY(1);
}

.school-num {
  font-family: var(--display);
  font-size: var(--t--1);
  letter-spacing: .1em;
  color: var(--ink-3);
  transition: color .45s var(--ease);
}

.school:hover .school-num {
  color: rgba(248, 245, 242, .6);
}

.school-ico {
  width: 44px;
  height: 44px;
  fill: none;
  stroke: var(--wine);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin-top: .6rem;
  transition: stroke .45s var(--ease), transform .55s var(--ease-out);
}

.school:hover .school-ico {
  stroke: var(--paper);
  transform: translateY(-3px);
}

.school h3 {
  font-size: var(--t-2);
  margin-top: .2rem;
}

@media (min-width:1080px) {

  /* Dos líneas fijas para que las descripciones arranquen a la misma altura */
  .school h3 {
    min-height: 2.04em;
  }
}

.school p {
  font-size: var(--t--1);
  line-height: 1.65;
  color: var(--ink-2);
  flex: 1;
  transition: color .45s var(--ease);
}

.school:hover p {
  color: rgba(248, 245, 242, .82);
}

.school-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .6rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--wine);
  transition: color .45s var(--ease), border-color .45s var(--ease);
}

.school:hover .school-link {
  color: var(--paper);
  border-color: rgba(248, 245, 242, .3);
}

.school-link .ico-arrow {
  transition: transform .4s var(--ease-out);
}

.school:hover .school-link .ico-arrow {
  transform: translateX(4px);
}

/* --------------------------------------------------------------- 10. Cursos */
.cursos {
  background: var(--paper-2);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2.2rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .55rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-size: var(--t--1);
  font-weight: 500;
  letter-spacing: .05em;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}

.chip:hover {
  border-color: var(--ink);
}

.chip.is-on {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.chip-n {
  font-size: .78em;
  opacity: .55;
  font-variant-numeric: tabular-nums;
}

.course-list {
  border-top: 1px solid var(--line);
}

.course {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "idx name go"
    "idx tags go"
    "idx state go";
  align-items: center;
  gap: .35rem 1.2rem;
  padding: 1.35rem .4rem;
  border-bottom: 1px solid var(--line);
  isolation: isolate;
  transition: padding .4s var(--ease), color .4s var(--ease);
}

.course::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .55s var(--ease-out);
}

@media (hover:hover) {
  .course:hover {
    color: var(--paper);
    padding-inline: 1.2rem;
  }

  .course:hover::before {
    transform: scaleX(1);
  }
}

.course.is-hidden {
  display: none;
}

.c-idx {
  grid-area: idx;
  align-self: start;
  font-family: var(--display);
  font-size: var(--t--1);
  color: var(--ink-3);
  padding-top: .35rem;
  font-variant-numeric: tabular-nums;
  transition: color .4s var(--ease);
}

.course:hover .c-idx {
  color: rgba(248, 245, 242, .5);
}

.c-name {
  grid-area: name;
  font-size: var(--t-2);
  letter-spacing: -.02em;
}

.c-tags {
  grid-area: tags;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: .3rem;
}

.tag {
  padding: .2rem .6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--wine);
  transition: color .4s var(--ease), border-color .4s var(--ease);
}

.tag-alt {
  color: var(--ink-2);
}

.course:hover .tag {
  color: #f3d9b0;
  border-color: rgba(248, 245, 242, .25);
}

.course:hover .tag-alt {
  color: rgba(248, 245, 242, .75);
}

.c-state {
  grid-area: state;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: .35rem;
  font-size: var(--t--1);
  color: var(--ink-2);
  transition: color .4s var(--ease);
}

.c-state::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.c-state.is-open {
  color: #2f6b45;
}

.c-state.is-soon,
.c-state.is-check {
  color: var(--ink-3);
}

.course:hover .c-state.is-open {
  color: #86c79c;
}

.course:hover .c-state.is-soon,
.course:hover .c-state.is-check {
  color: rgba(248, 245, 242, .6);
}

.c-go {
  grid-area: go;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: background .4s var(--ease), border-color .4s var(--ease), transform .4s var(--ease-out);
}

.c-go svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.course:hover .c-go {
  border-color: rgba(248, 245, 242, .35);
  background: rgba(248, 245, 242, .08);
  transform: rotate(-45deg);
}

@media (min-width:820px) {
  .course {
    grid-template-columns: 3rem minmax(0, 1fr) 17rem 11.5rem auto;
    grid-template-areas: "idx name tags state go";
    gap: 1.5rem;
    padding-block: 1.5rem;
  }

  .c-tags,
  .c-state {
    margin-top: 0;
  }

  .c-state {
    justify-content: flex-end;
  }
}

.course-empty {
  padding: 3rem 0;
  text-align: center;
  color: var(--ink-2);
  font-size: var(--t-1);
  border-bottom: 1px solid var(--line);
}

.course-empty a {
  color: var(--wine);
  text-decoration: underline;
  text-underline-offset: .25em;
}

.note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 3rem;
  padding: clamp(1.5rem, 3vw, 2.2rem);
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
}

.note p {
  max-width: 52ch;
  color: var(--ink-2);
}

.note strong {
  color: var(--ink);
}

/* ------------------------------------------------------------ 11. Instituto */
.instituto {
  background: var(--paper);
}

.timeline {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

@media (min-width:820px) {
  .timeline {
    grid-template-columns: repeat(3, 1fr);
  }
}

.timeline li {
  position: relative;
  padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1.2rem, 2.5vw, 2rem);
  background: var(--paper);
}

.timeline li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--wine);
  transition: width 1s var(--ease-out);
}

.timeline li.is-in::before {
  width: 100%;
}

.t-year {
  font-family: var(--display);
  font-size: var(--t-3);
  font-weight: 300;
  color: var(--wine);
  letter-spacing: -.03em;
  font-variation-settings: "opsz" 100;
}

.timeline h3 {
  font-size: var(--t-1);
  margin-top: .8rem;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0;
}

.timeline p {
  margin-top: .5rem;
  color: var(--ink-2);
  font-size: var(--t--1);
  line-height: 1.7;
}

.mv {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

@media (min-width:820px) {
  .mv {
    grid-template-columns: repeat(2, 1fr);
  }
}

.mv-card {
  position: relative;
  padding: clamp(1.8rem, 3.5vw, 2.8rem);
  background: var(--paper-2);
  border-radius: var(--r);
  overflow: hidden;
}

.mv-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(var(--wine), var(--brass));
}

.mv-title {
  font-size: var(--t-3);
  font-weight: 300;
  font-style: italic;
  color: var(--wine);
}

.mv-card p {
  margin-top: 1.1rem;
  color: var(--ink-2);
  line-height: 1.72;
}

.mec {
  display: flex;
  align-items: flex-start;
  gap: .9rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--ink-2);
  font-size: var(--t--1);
  background: var(--paper);
}

.mec strong {
  color: var(--ink);
}

.mec-ico {
  width: 22px;
  height: 22px;
  flex: none;
  fill: none;
  stroke: var(--wine);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --------------------------------------------------------------- 12. Cifras */
.cifras {
  background: var(--wine-ink);
  color: var(--paper);
}

.cifras .kicker {
  color: var(--brass);
}

.cifras .kicker .num {
  color: rgba(248, 245, 242, .5);
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
  border-radius: var(--r);
  overflow: hidden;
}

@media (min-width:820px) {
  .stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat {
  padding: clamp(1.8rem, 3.5vw, 2.8rem) 1.2rem;
  text-align: center;
  background: var(--wine-ink);
  transition: background .5s var(--ease);
}

.stat:hover {
  background: rgba(126, 36, 43, .45);
}

.stat-n {
  margin: 0;
  font-family: var(--display);
  font-size: var(--t-5);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.04em;
  font-variation-settings: "opsz" 144;
  font-variant-numeric: tabular-nums;
}

.stat dt {
  margin-top: .9rem;
  font-size: var(--t--1);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, .6);
}

/* ----------------------------------------------------------------- 13. Cita */
.quote {
  background: var(--paper);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.quote .kicker {
  justify-content: center;
}

.quote .kicker::after {
  display: none;
}

.quote blockquote {
  margin: 2rem auto 0;
  max-width: 22ch;
  font-family: var(--display);
  font-size: var(--t-4);
  font-weight: 300;
  font-style: italic;
  line-height: 1.12;
  letter-spacing: -.03em;
  text-align: center;
  text-wrap: balance;
}

.quote blockquote::before {
  content: "“";
  display: block;
  font-size: 2em;
  line-height: .5;
  color: var(--wine);
  opacity: .35;
  margin-bottom: .35em;
}

/* -------------------------------------------------------------- 14. Aliados */
.aliados {
  background: var(--paper);
  padding-top: 0;
}

.ally-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  margin-top: 2.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
}

.ally-row li {
  display: flex;
  align-items: center;
  gap: .7rem;
  filter: grayscale(1);
  opacity: .55;
  transition: filter .4s var(--ease), opacity .4s var(--ease);
}

.ally-row li:hover {
  filter: none;
  opacity: 1;
}

.ally-row img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.ally-row span {
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-2);
}

/* ------------------------------------------------------------- 15. Contacto */
.contacto {
  background: var(--paper-2);
}

.contacto-grid {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: start;
}

@media (min-width:920px) {
  .contacto-grid {
    grid-template-columns: 1.05fr .95fr;
  }
}

.contact-list {
  margin-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--line);
}

.contact-list li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
}

.cl-label {
  font-size: var(--t--1);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.cl-value {
  font-family: var(--display);
  font-size: var(--t-1);
  letter-spacing: -.01em;
  background-image: linear-gradient(var(--wine), var(--wine));
  background-size: 0 1px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size .45s var(--ease-out), color .3s var(--ease);
}

.cl-value:hover {
  color: var(--wine);
  background-size: 100% 1px;
}

.form-wrap {
  padding: clamp(1.6rem, 3.5vw, 2.6rem);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.form {
  display: grid;
  gap: 1rem;
}

.field {
  position: relative;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 1.5rem .9rem .6rem;
  background: var(--paper-2);
  border: 1px solid transparent;
  border-bottom-color: var(--line);
  border-radius: var(--r) var(--r) 0 0;
  transition: border-color .3s var(--ease), background .3s var(--ease);
  appearance: none;
}

.field textarea {
  resize: vertical;
  min-height: 7rem;
}

.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23524642' stroke-width='1.5'%3E%3Cpath d='m1 2 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.field label {
  position: absolute;
  left: .95rem;
  top: 1.05rem;
  font-size: var(--t-0);
  color: var(--ink-3);
  pointer-events: none;
  transition: transform .25s var(--ease), font-size .25s var(--ease), color .25s var(--ease);
  transform-origin: left top;
}

.field select+label,
.field input:focus+label,
.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,
.field textarea:not(:placeholder-shown)+label {
  transform: translateY(-.72rem) scale(.76);
  color: var(--wine);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--wine);
}

.field input:user-invalid,
.field textarea:user-invalid {
  border-color: #b3392f;
}

.form-note {
  font-size: var(--t--1);
  color: var(--ink-3);
  text-align: center;
}

/* ------------------------------------------------------------------ 16. Pie */
.site-foot {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
}

.foot-top {
  display: grid;
  gap: clamp(2.5rem, 5vw, 4rem);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--line-dark);
}

@media (min-width:820px) {
  .foot-top {
    grid-template-columns: 1fr 1.6fr;
    align-items: start;
  }
}

.brand--foot .brand-mark {
  width: 40px;
  height: 43px;
  color: var(--wine-soft);
}

.brand--foot .brand-type strong {
  font-size: 1.6rem;
}

.foot-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 2rem;
}

.foot-nav h4 {
  font-family: var(--sans);
  font-size: var(--t--1);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(248, 245, 242, .45);
  margin-bottom: 1rem;
}

.foot-nav li+li {
  margin-top: .5rem;
}

.foot-nav a {
  font-size: var(--t--1);
  color: rgba(248, 245, 242, .82);
  transition: color .25s var(--ease), padding-left .3s var(--ease);
}

.foot-nav a:hover {
  color: var(--paper);
  padding-left: .3rem;
}

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .8rem;
  padding-top: 2rem;
  font-size: var(--t--1);
  color: rgba(248, 245, 242, .5);
}

/* --------------------------------------------------------- 17. Volver arriba */
.to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 100;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  opacity: 0;
  transform: translateY(12px) scale(.9);
  pointer-events: none;
  transition: opacity .4s var(--ease), transform .4s var(--ease-out), background .3s var(--ease);
}

.to-top svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.to-top.is-on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.to-top:hover {
  background: var(--wine);
}

/* --------------------------------------------------------- 18. Revelaciones */
/* Sin la clase .js (JS deshabilitado o caído) nada se oculta */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s var(--ease-out), transform .8s var(--ease-out);
  transition-delay: calc(var(--d, 0) * 90ms);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

.reveal[data-delay="1"] {
  --d: 1;
}

.reveal[data-delay="2"] {
  --d: 2;
}

.reveal[data-delay="3"] {
  --d: 3;
}

.reveal[data-delay="4"] {
  --d: 4;
}

.reveal[data-delay="5"] {
  --d: 5;
}

.reveal[data-delay="6"] {
  --d: 6;
}

@media (prefers-reduced-motion:reduce) {

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }

  .marquee-track {
    animation: none;
  }
}

/* ------------------------------------------------- 19. Extras de la versión PHP */

/* Contenedor de las definiciones SVG (sin estilos en línea, por la CSP) */
.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
}

/* Campo trampa para robots: fuera de pantalla, nunca visible ni tabulable */
.trampa {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Aviso del formulario tras enviar (éxito, error o respaldo por WhatsApp) */
.aviso {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1.4rem;
  padding: .9rem 1.1rem;
  border-left: 3px solid currentColor;
  border-radius: 0 var(--r) var(--r) 0;
  font-size: var(--t--1);
  line-height: 1.55;
}

.aviso--ok {
  color: #2f6b45;
  background: rgba(47, 107, 69, .09);
}

.aviso--error {
  color: #a2342a;
  background: rgba(162, 52, 42, .08);
}

.aviso--whatsapp {
  color: var(--wine);
  background: rgba(126, 36, 43, .08);
}

.aviso a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: .25em;
}

/* Mensaje de validación bajo un campo */
.field-error {
  display: block;
  margin-top: .4rem;
  font-size: var(--t--1);
  color: #a2342a;
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #a2342a;
}