:root {
  --cusca-blue: #004080;
  --cusca-sky: #00aeef;
  --cusca-orange: #ff6a00;
  --cusca-slate: #607d8b;
  --cusca-light: #e0e0e0;
  --white: #ffffff;
  --heading: "Montserrat", Arial, sans-serif;
  --body: "Open Sans", Arial, sans-serif;
  --shadow-soft: 0 18px 46px rgba(0, 64, 128, 0.14);
  --shadow-strong: 0 24px 70px rgba(0, 64, 128, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--white);
  color: var(--cusca-blue);
  font-family: var(--body);
  line-height: 1.6;
  margin: 0;
  overflow-x: hidden;
}

a {
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--cusca-sky);
  outline-offset: 4px;
}

/* Navegación */
.site-header {
  background: rgba(0, 64, 128, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0, 174, 239, 0.3);
  box-shadow: 0 8px 30px rgba(0, 64, 128, 0.16);
}

.navbar {
  min-height: 88px;
}

.header-brand .brand-logo {
  display: block;
  height: auto;
  width: 230px;
}

.site-footer .brand-logo {
  display: block;
  height: 46px;
  width: auto;
}

.navbar-toggler {
  border-color: rgba(255, 255, 255, 0.58);
  margin-left: auto;
}

.navbar-toggler-icon {
  filter: brightness(0) invert(1);
}

.nav-link {
  color: var(--white);
  font: 600 0.86rem var(--heading);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--cusca-sky);
}

.btn-brand,
.btn-outline-brand,
.contact-status {
  border-radius: 999px;
  font: 600 0.88rem var(--heading);
  padding: 0.78rem 1.32rem;
}

.btn-brand {
  background: var(--cusca-orange);
  border: 1px solid var(--cusca-orange);
  color: var(--white);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.btn-brand:hover,
.btn-brand:focus {
  box-shadow: 0 12px 28px rgba(255, 106, 0, 0.3);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline-brand {
  border: 1px solid rgba(255, 255, 255, 0.66);
  color: var(--white);
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.btn-outline-brand:hover,
.btn-outline-brand:focus {
  background: var(--white);
  color: var(--cusca-blue);
  transform: translateY(-2px);
}

/* Portada */
.hero {
  background:
    linear-gradient(120deg, rgba(0, 64, 128, 0.98), rgba(0, 64, 128, 0.9) 58%, rgba(0, 174, 239, 0.82)),
    url("../assets/brand/circuit-network.svg") center / cover no-repeat;
  color: var(--white);
  isolation: isolate;
  min-height: 720px;
  overflow: hidden;
  padding: 6.6rem 0 6rem;
  position: relative;
}

.hero::before {
  animation: hero-scan 7.5s ease-in-out infinite;
  background: linear-gradient(90deg, transparent, rgba(0, 174, 239, 0.35), transparent);
  content: "";
  height: 1px;
  inset: 16% 0 auto;
  position: absolute;
  z-index: 0;
}

.hero-content {
  animation: content-rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  position: relative;
  z-index: 3;
}

.eyebrow {
  color: var(--cusca-sky);
  font: 700 0.76rem var(--heading);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
h2,
h3,
h4 {
  font-family: var(--heading);
}

.hero h1 {
  font-size: clamp(2.7rem, 5.8vw, 5.15rem);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 1.04;
  max-width: 790px;
}

.hero h1 span {
  color: var(--cusca-sky);
}

.hero-copy {
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 650px;
}

.hero-orb {
  border: 1px solid rgba(0, 174, 239, 0.42);
  border-radius: 50%;
  height: min(42vw, 500px);
  position: absolute;
  right: -5%;
  top: 14%;
  width: min(42vw, 500px);
  z-index: 0;
}

.hero-orb::before,
.hero-orb::after {
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: inherit;
  content: "";
  inset: 13%;
  position: absolute;
}

.hero-orb::after {
  border-color: rgba(255, 106, 0, 0.5);
  inset: 28%;
}

/* Isotipo 3D de la portada: se conserva el activo oficial. */
.brand-constellation {
  height: min(48vw, 560px);
  pointer-events: none;
  position: absolute;
  right: 4%;
  top: 17%;
  width: min(48vw, 560px);
  z-index: 2;
}

.volcano-tilt {
  --tilt-x: 0deg;
  --tilt-y: 0deg;
  height: 100%;
  perspective: 1000px;
  transform: rotateX(var(--tilt-x)) rotateY(var(--tilt-y));
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out;
  width: 100%;
}

.volcano-tilt::before {
  background: linear-gradient(135deg, rgba(0, 174, 239, 0.25), transparent 44%, rgba(255, 106, 0, 0.12));
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 30%;
  content: "";
  inset: 17%;
  position: absolute;
  transform: translateZ(-44px);
}

.volcano-tilt::after {
  background-image:
    linear-gradient(rgba(0, 174, 239, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 174, 239, 0.13) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
  inset: 3%;
  mask-image: radial-gradient(circle, #000 28%, transparent 70%);
  opacity: 0.68;
  position: absolute;
  transform: rotateX(68deg) translateZ(-82px) translateY(38%);
}

.isotype-halo {
  align-items: center;
  animation: volcano-float 5s ease-in-out infinite;
  background: radial-gradient(circle, rgba(0, 174, 239, 0.28), transparent 66%);
  display: flex;
  height: 100%;
  justify-content: center;
  position: relative;
  transform-style: preserve-3d;
  width: 100%;
}

.isotype-halo::before,
.isotype-halo::after {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  content: "";
  inset: 7%;
  position: absolute;
  transform: translateZ(-20px);
}

.isotype-halo::after {
  animation: orbit 12s linear infinite;
  border-color: rgba(255, 106, 0, 0.58);
  border-bottom-color: transparent;
  border-left-color: transparent;
  inset: 16%;
  transform: translateZ(-35px);
}

.isotype-halo img {
  animation: logo-breathe 3.2s ease-in-out infinite;
  filter: drop-shadow(0 0 28px rgba(0, 174, 239, 0.66));
  max-width: 45%;
  position: relative;
  transform: translateZ(44px);
  z-index: 2;
}

/* Secciones */
.section {
  padding: 6rem 0;
  scroll-margin-top: 76px;
}

.section-soft {
  background: color-mix(in srgb, var(--cusca-light) 34%, var(--white));
}

.section-title {
  color: var(--cusca-blue);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.section-lead {
  color: var(--cusca-slate);
  font-size: 1.08rem;
  max-width: 650px;
}

.section-rule {
  background: var(--cusca-sky);
  border-radius: 10px;
  height: 4px;
  width: 64px;
}

.division-grid {
  display: flex;
  gap: 1.5rem;
  min-height: 470px;
  transition: gap 0.45s ease;
}

.division-card {
  --pointer-x: 50%;
  --pointer-y: 50%;
  background: var(--white);
  border: 1px solid rgba(96, 125, 139, 0.2);
  border-radius: 24px;
  box-shadow: 0 12px 34px rgba(0, 64, 128, 0.07);
  display: flex;
  flex: 1 1 0;
  min-width: 0;
  overflow: hidden;
  position: relative;
  scroll-margin-top: 108px;
  transition:
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    flex-basis 0.52s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.34s ease,
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.division-card::before {
  background: var(--division);
  content: "";
  height: 6px;
  inset: 0 0 auto;
  position: absolute;
  z-index: 4;
}

.division-card::after {
  background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), color-mix(in srgb, var(--division) 14%, transparent), transparent 42%);
  content: "";
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.division-card:not(.is-selected):hover,
.division-card:not(.is-selected):focus-within {
  border-color: color-mix(in srgb, var(--division) 42%, var(--cusca-light));
  box-shadow: var(--shadow-soft);
  transform: translateY(-8px);
}

.division-card:not(.is-selected):hover::after,
.division-card:not(.is-selected):focus-within::after {
  opacity: 1;
}

.division-trigger {
  align-items: flex-start;
  background: transparent;
  border: 0;
  color: var(--cusca-blue);
  cursor: pointer;
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-width: 0;
  padding: 3rem 2rem 2rem;
  position: relative;
  text-align: left;
  z-index: 2;
}

.card-icon {
  align-items: center;
  background: color-mix(in srgb, var(--division) 12%, var(--white));
  border-radius: 16px;
  color: var(--division);
  display: flex;
  font-size: 1.55rem;
  height: 64px;
  justify-content: center;
  margin-bottom: 2rem;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  width: 64px;
}

.division-card:hover .card-icon,
.division-card:focus-within .card-icon {
  transform: translateY(-4px) rotate(-4deg) scale(1.08);
}

.division-number {
  color: var(--cusca-slate);
  font: 600 0.75rem var(--heading);
  letter-spacing: 0.1em;
  margin-bottom: 0.35rem;
}

.division-title {
  color: var(--cusca-blue);
  font: 700 1.35rem/1.22 var(--heading);
  margin-bottom: 0.55rem;
}

.division-card .tagline {
  color: var(--division);
  font: 600 0.95rem var(--heading);
  margin-bottom: 1.7rem;
}

.division-summary {
  color: var(--cusca-blue);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.division-action {
  align-items: center;
  color: var(--division);
  display: inline-flex;
  font: 700 0.78rem var(--heading);
  gap: 0.48rem;
  letter-spacing: 0.04em;
  margin-top: auto;
  text-transform: uppercase;
}

.division-action i {
  transition: transform 0.28s ease;
}

.division-card:hover .division-action i,
.division-card:focus-within .division-action i {
  transform: translate(3px, -3px);
}

.division-panel {
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--division) 10%, var(--white)), var(--white) 62%);
  clip-path: inset(100% 0 0);
  display: flex;
  flex: 0 0 0;
  flex-direction: column;
  opacity: 0;
  overflow: hidden;
  padding: 3rem 0;
  pointer-events: none;
  position: absolute;
  inset: 0;
  transform: translateY(18px);
  transition:
    clip-path 0.48s cubic-bezier(0.16, 1, 0.3, 1),
    flex-basis 0.52s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.26s ease,
    padding 0.42s ease,
    transform 0.48s cubic-bezier(0.16, 1, 0.3, 1);
  visibility: hidden;
  z-index: 3;
}

.division-panel::before {
  background: var(--division);
  content: "";
  inset: 0 auto 0 0;
  position: absolute;
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.5s 0.12s cubic-bezier(0.16, 1, 0.3, 1);
  width: 5px;
}

.division-card:not(.is-selected):hover .division-panel,
.division-card:not(.is-selected):focus-within .division-panel {
  clip-path: inset(0);
  flex-basis: 0;
  opacity: 1;
  padding: 2.4rem 2rem;
  position: absolute;
  inset: 0;
  transform: translateY(0);
  visibility: visible;
}

.division-card:not(.is-selected):hover .division-panel::before,
.division-card:not(.is-selected):focus-within .division-panel::before {
  transform: scaleY(1);
}

.division-card.is-selected {
  border-color: color-mix(in srgb, var(--division) 44%, var(--cusca-light));
  box-shadow: var(--shadow-strong);
  flex-basis: 100%;
  transform: translateY(0);
}

.division-card.is-selected .division-trigger {
  flex: 0 0 38%;
  padding: 3.5rem;
}

.division-card.is-selected .division-panel {
  clip-path: inset(0);
  flex-basis: 62%;
  opacity: 1;
  padding: 3.5rem;
  pointer-events: auto;
  position: relative;
  inset: auto;
  transform: translateY(0);
  visibility: visible;
}

.division-card.is-selected .division-panel::before {
  transform: scaleY(1);
}

.division-card.is-dismissed {
  border-width: 0;
  flex-basis: 0;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.82);
}

.division-explorer.has-selection .division-grid {
  gap: 0;
}

.division-panel-label {
  color: var(--division);
  font: 700 0.75rem var(--heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.division-panel h4 {
  color: var(--cusca-blue);
  font: 700 clamp(1.55rem, 2.2vw, 2.35rem)/1.18 var(--heading);
  margin: 0.7rem 0 2rem;
  max-width: 650px;
}

.service-list {
  color: var(--cusca-slate);
  font-size: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.service-list li {
  border-top: 1px solid rgba(96, 125, 139, 0.18);
  padding: 0.85rem 0;
}

.service-list li::before {
  color: var(--division);
  content: "•";
  font-weight: 700;
  margin-right: 0.58rem;
}

.division-close {
  align-items: center;
  align-self: flex-start;
  background: var(--cusca-blue);
  border: 1px solid var(--cusca-blue);
  border-radius: 999px;
  color: var(--white);
  display: none;
  font: 600 0.82rem var(--heading);
  gap: 0.5rem;
  margin-top: auto;
  padding: 0.72rem 1.05rem;
  transition: background 0.24s ease, border-color 0.24s ease, transform 0.24s ease;
}

.division-card.is-selected .division-close {
  display: inline-flex;
}

.division-close:hover,
.division-close:focus {
  background: var(--division);
  border-color: var(--division);
  transform: translateX(-3px);
}

.division-instructions {
  color: var(--cusca-slate);
  font-size: 0.84rem;
  margin: 1.3rem 0 0;
  text-align: center;
}

.division-instructions i {
  color: var(--cusca-sky);
  margin-right: 0.3rem;
}

.about-panel {
  background:
    linear-gradient(rgba(0, 64, 128, 0.88), rgba(0, 64, 128, 0.94)),
    url("../assets/brand/circuit-network.svg") center / cover;
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  color: var(--white);
  overflow: hidden;
  padding: 3rem;
  position: relative;
}

.about-panel::before {
  animation: panel-scan 7s linear infinite;
  background: linear-gradient(90deg, transparent, rgba(0, 174, 239, 0.18), transparent);
  content: "";
  height: 100%;
  left: -120%;
  position: absolute;
  top: 0;
  transform: skewX(-18deg);
  width: 55%;
}

.about-panel::after {
  border: 34px solid rgba(0, 174, 239, 0.2);
  border-radius: 50%;
  content: "";
  height: 360px;
  position: absolute;
  right: -130px;
  top: -150px;
  width: 360px;
}

.about-panel h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  position: relative;
  z-index: 1;
}

.mission-item {
  border-left: 2px solid var(--cusca-sky);
  padding-left: 1.25rem;
  position: relative;
  z-index: 1;
}

.mission-item h3 {
  font-size: 1rem;
  font-weight: 700;
}

.mission-item p {
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.94rem;
  margin: 0;
}

.cta {
  background:
    linear-gradient(rgba(0, 64, 128, 0.88), rgba(0, 64, 128, 0.94)),
    url("../assets/brand/circuit-network.svg") center / cover;
  color: var(--white);
  overflow: hidden;
  position: relative;
}

.cta::before {
  background: var(--cusca-orange);
  border-radius: 50%;
  content: "";
  filter: blur(8px);
  height: 300px;
  opacity: 0.24;
  position: absolute;
  right: -80px;
  top: -180px;
  width: 300px;
}

.cta h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.contact-status {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.site-footer {
  background:
    linear-gradient(rgba(0, 64, 128, 0.96), rgba(0, 64, 128, 0.98)),
    url("../assets/brand/circuit-network.svg") center / cover;
  color: rgba(255, 255, 255, 0.72);
  padding: 3.5rem 0 1.5rem;
}

.site-footer h2 {
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
}

.footer-link {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--cusca-sky);
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.82rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease var(--delay, 0ms), transform 0.65s ease var(--delay, 0ms);
}

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

/* Introducción de marca */
.brand-intro {
  align-items: center;
  background:
    radial-gradient(circle at 50% 55%, rgba(0, 174, 239, 0.46), transparent 34%),
    var(--cusca-blue);
  display: flex;
  height: 100svh;
  inset: 0;
  justify-content: center;
  overflow: hidden;
  position: fixed;
  z-index: 3000;
}

.intro-grid {
  background-image:
    linear-gradient(rgba(0, 174, 239, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 174, 239, 0.16) 1px, transparent 1px);
  background-size: 56px 56px;
  inset: -20%;
  mask-image: radial-gradient(circle, #000 10%, transparent 68%);
  opacity: 0.82;
  position: absolute;
  transform: perspective(700px) rotateX(62deg) translateY(26%);
}

.intro-stage {
  height: min(340px, 54vw);
  max-width: 980px;
  position: relative;
  width: min(94vw, 980px);
}

.intro-stage::before {
  animation: intro-ring 3s ease-out both;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  content: "";
  height: min(48vw, 430px);
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(48vw, 430px);
}

.intro-volcano {
  align-items: center;
  display: flex;
  height: clamp(64px, 9vw, 118px);
  justify-content: center;
  left: 0;
  position: absolute;
  top: 0;
  transform: translate3d(0, 0, 0);
  width: clamp(64px, 9vw, 118px);
  z-index: 2;
}

.intro-volcano img {
  animation: intro-logo-arrival 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  filter: drop-shadow(0 0 28px rgba(0, 174, 239, 0.72));
  width: 100%;
}

.intro-name {
  color: var(--white);
  font: 700 clamp(3rem, 8vw, 7rem) / 1 var(--heading);
  left: 50%;
  letter-spacing: -0.075em;
  position: absolute;
  text-shadow: 0 0 25px rgba(0, 174, 239, 0.36);
  top: 50%;
  transform: translate(-50%, -50%);
  white-space: nowrap;
  z-index: 3;
}

.intro-letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px) scale(0.75);
}

.intro-letter.is-written {
  animation: intro-write-letter 0.32s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.intro-name.is-wave .intro-letter {
  animation: intro-letter-wave 0.72s calc(var(--i) * 0.07s) cubic-bezier(0.2, 0.9, 0.2, 1) both;
}

.intro-tek {
  color: var(--cusca-orange);
}

.intro-skip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  bottom: 2rem;
  color: rgba(255, 255, 255, 0.84);
  font: 600 0.76rem var(--heading);
  padding: 0.58rem 1rem;
  position: absolute;
  transition: background 0.2s ease, color 0.2s ease;
  z-index: 4;
}

.intro-skip:hover,
.intro-skip:focus {
  background: var(--white);
  color: var(--cusca-blue);
}

body:not(.intro-complete) .site-header,
body:not(.intro-complete) main,
body:not(.intro-complete) .site-footer {
  opacity: 0;
  pointer-events: none;
}

body.intro-complete .brand-intro {
  animation: intro-exit 0.7s ease forwards;
  pointer-events: none;
}

body.intro-complete .site-header,
body.intro-complete main,
body.intro-complete .site-footer {
  animation: page-fade 0.65s 0.12s ease both;
}

body.intro-complete .brand-constellation {
  animation: final-volcano-arrival 0.8s 0.12s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Animaciones */
@keyframes content-rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes page-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes hero-scan {
  0%, 100% { opacity: 0; transform: translateY(0); }
  48%, 54% { opacity: 1; }
  50% { transform: translateY(430px); }
}

@keyframes volcano-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

@keyframes orbit {
  to { transform: translateZ(-35px) rotate(360deg); }
}

@keyframes logo-breathe {
  0%, 100% { filter: drop-shadow(0 0 22px rgba(0, 174, 239, 0.56)); }
  50% { filter: drop-shadow(0 0 36px rgba(0, 174, 239, 0.82)); }
}

@keyframes panel-scan {
  to { left: 170%; }
}

@keyframes intro-logo-arrival {
  0% { opacity: 0; transform: scale(0.72); }
  72% { opacity: 1; transform: scale(1.08); }
  100% { opacity: 1; transform: scale(1); }
}

@keyframes intro-write-letter {
  0% { opacity: 0; transform: translateY(20px) scale(0.75) rotate(5deg); }
  62% { opacity: 1; transform: translateY(-9px) scale(1.08) rotate(-2deg); }
  100% { opacity: 1; transform: translateY(0) scale(1) rotate(0); }
}

@keyframes intro-letter-wave {
  0%, 100% { opacity: 1; transform: translateY(0) scale(1); }
  48% { opacity: 1; text-shadow: 0 0 30px rgba(0, 174, 239, 0.9); transform: translateY(-24px) scale(1.08); }
}

@keyframes intro-ring {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.2); }
  36% { opacity: 0.88; }
  100% { opacity: 0.18; transform: translate(-50%, -50%) scale(1.45); }
}

@keyframes intro-exit {
  to { opacity: 0; visibility: hidden; }
}

@keyframes final-volcano-arrival {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 991px) {
  .hero {
    min-height: 680px;
    padding-top: 6.4rem;
  }

  .brand-constellation {
    height: 410px;
    opacity: 0.42;
    right: -11%;
    top: 31%;
    width: 410px;
  }

  .hero-orb {
    opacity: 0.42;
    right: -22%;
    top: 38%;
  }

  .navbar-collapse {
    background: rgba(0, 64, 128, 0.98);
    border-radius: 0 0 18px 18px;
    box-shadow: var(--shadow-soft);
    padding: 1rem;
  }

  .division-grid {
    flex-direction: column;
    min-height: 0;
  }

  .division-card {
    flex-basis: auto;
    min-height: 390px;
  }

  .division-card.is-selected {
    flex-basis: auto;
  }

  .division-card.is-selected .division-trigger,
  .division-card.is-selected .division-panel {
    flex-basis: 50%;
    padding: 2.5rem;
  }

  .division-card.is-dismissed {
    max-height: 0;
    min-height: 0;
  }
}

@media (max-width: 575px) {
  .navbar {
    min-height: 76px;
  }

  .header-brand .brand-logo {
    height: auto;
    width: 180px;
  }

  .hero {
    min-height: 720px;
    padding: 5.8rem 0 4.8rem;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 10.5vw, 3.25rem);
    letter-spacing: -0.06em;
  }

  .brand-constellation {
    bottom: 4%;
    height: 260px;
    opacity: 0.23;
    right: -18%;
    top: auto;
    width: 260px;
  }

  .section {
    padding: 4.5rem 0;
    scroll-margin-top: 66px;
  }

  .about-panel {
    padding: 2rem;
  }

  .division-card {
    min-height: 420px;
  }

  .division-card.is-selected {
    display: block;
  }

  .division-card.is-selected .division-trigger,
  .division-card.is-selected .division-panel {
    padding: 2rem 1.5rem;
    width: 100%;
  }

  .division-card.is-selected .division-trigger {
    min-height: 365px;
  }

  .division-card.is-selected .division-panel {
    min-height: 400px;
  }

  .division-instructions {
    line-height: 1.5;
    padding-inline: 1rem;
  }

  .intro-stage {
    height: 250px;
    width: 96vw;
  }

  .intro-stage::before {
    height: 285px;
    width: 285px;
  }

  .intro-volcano {
    height: clamp(58px, 17vw, 72px);
    width: clamp(58px, 17vw, 72px);
  }

  .intro-name {
    font-size: clamp(2.65rem, 13vw, 3.35rem);
  }

  .intro-skip {
    bottom: 1.25rem;
  }
}

/* Información institucional ampliada, dentro de la estructura vigente. */
.company-explorer { margin-top: 64px; border: 1px solid var(--cusca-light); border-radius: 24px; overflow: hidden; background: var(--white); }
.company-heading { padding: 36px 40px 16px; }
.perspective-buttons { display: flex; gap: 12px; padding: 0 40px 28px; flex-wrap: wrap; }
.perspective-button { border: 1px solid var(--cusca-light); background: var(--white); color: var(--cusca-blue); padding: 12px 20px; border-radius: 100px; cursor: pointer; font-family: var(--heading); font-weight: 600; }
.perspective-button:hover { border-color: var(--cusca-blue); }
.perspective-button.is-active { background: var(--cusca-blue); border-color: var(--cusca-blue); color: var(--white); }
.perspective-content { padding: 36px 40px 40px; background: rgba(224,224,224,.25); border-top: 1px solid var(--cusca-light); }
.perspective-index { color: var(--cusca-slate); font: 600 .8rem var(--heading); display: block; margin-bottom: 20px; }
.perspective-content h3 { font: 600 clamp(1.25rem, 3vw, 1.8rem)/1.4 var(--heading); max-width: 720px; }
.perspective-content p { max-width: 760px; color: var(--cusca-slate); }
.perspective-content a { color: var(--cusca-blue); font-weight: 600; display: inline-block; padding-block: 8px; }
.service-guide { display: grid; grid-template-columns: 1fr 1.35fr; gap: 56px; margin-top: 72px; }
.service-questions details { border-bottom: 1px solid var(--cusca-light); padding: 20px 0; }
.service-questions summary { font: 600 1rem/1.5 var(--heading); cursor: pointer; padding-right: 12px; }
.service-questions details[open] summary { color: var(--cusca-blue); }
.service-questions p { color: var(--cusca-slate); margin: 20px 0 0; }
.division-panel>p { color: var(--cusca-slate); font-size: .95rem; }
.product-caption { margin: 24px 0 10px; font-weight: 600; }
.product-names { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.product-names span { border: 1px solid var(--cusca-light); border-radius: 8px; padding: 6px 10px; font-size: .85rem; }
.division-card.is-selected { min-height: 640px; }
.division-card.is-selected .division-panel { overflow: visible; }
.division-card:not(.is-selected) .division-panel>p,.division-card:not(.is-selected) .product-names { display: none; }
.hero h1 { font-size: clamp(2.25rem, 4vw, 3rem); }
.site-footer .brand-logo { width: 230px; height: auto; }
@media(max-width:991px) { .service-guide { grid-template-columns: 1fr; gap: 20px; } }
@media(max-width:575px) { .company-heading,.perspective-content { padding: 24px; }.perspective-buttons { padding: 0 24px 24px; gap: 8px; }.perspective-button { width: 100%; text-align: left; }.service-guide { margin-top: 48px; } }

/* La introducción solicitada se conserva; el resto reduce movimiento. */
@media (hover: none) {
  .division-card:not(.is-selected):focus-within .division-panel {
    clip-path: inset(100% 0 0);
    opacity: 0;
    transform: translateY(18px);
    visibility: hidden;
  }

  .division-card:not(.is-selected):focus-within .division-panel::before {
    transform: scaleY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-header *,
  main *,
  .site-footer * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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

/* Portada en escritorio: contenido centrado en altura, título más amplio y
   isotipo alineado al texto para aprovechar el ancho disponible. */
@media (min-width: 992px) {
  .hero {
    align-items: center;
    display: flex;
    min-height: max(720px, 100svh);
    padding: 7.5rem 0 5rem;
  }

  .hero .hero-content {
    width: min(1320px, calc(100% - 64px));
  }

  .hero-content > * {
    max-width: 60%;
  }

  .hero .eyebrow {
    align-items: center;
    display: flex;
    font-size: 0.86rem;
    gap: 0.9rem;
  }

  .hero .eyebrow::before {
    background: var(--cusca-orange, #FF6A00);
    content: "";
    height: 2px;
    width: 42px;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 5.2vw, 5.6rem);
    letter-spacing: -0.03em;
    line-height: 1.02;
    margin-top: 1.4rem;
  }

  .hero h1 span {
    display: block;
  }

  .hero-copy {
    font-size: clamp(1.15rem, 1.35vw, 1.4rem);
    line-height: 1.65;
    max-width: 36rem !important;
    margin-top: 2rem !important;
  }

  .hero-content .btn-brand,
  .hero-content .btn-outline-brand {
    font-size: 1.02rem;
    padding: 1.05rem 2rem;
  }

  .brand-constellation,
  .hero-orb {
    top: 50%;
    translate: 0 -46%;
  }

  .brand-constellation {
    height: min(40vw, 600px);
    right: max(2%, calc((100% - 1320px) / 2 - 2%));
    width: min(40vw, 600px);
  }
}

/* Divisiones: encabezado más compacto para que las tarjetas entren en pantalla. */
#divisiones.section {
  padding-top: 4.5rem;
}

#divisiones .section-title {
  font-size: clamp(1.75rem, 2.6vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

#divisiones .section-rule {
  margin-bottom: 1rem !important;
  margin-top: 1rem !important;
}

#divisiones .section-lead {
  font-size: 1rem;
}

#divisiones .division-explorer {
  margin-top: 2.25rem !important;
}

#divisiones .division-grid {
  min-height: 420px;
}

#divisiones .division-trigger {
  padding: 2.5rem 2rem 2rem;
}

#divisiones .card-icon {
  margin-bottom: 1.5rem;
}

/* Divisiones: el cursor ya no despliega el detalle; solo invita a hacer clic.
   El detalle completo aparece únicamente al seleccionar la tarjeta. */
.division-card:not(.is-selected):hover .division-panel,
.division-card:not(.is-selected):focus-within .division-panel {
  clip-path: inset(100% 0 0);
  opacity: 0;
  transform: translateY(18px);
  visibility: hidden;
}

.division-action {
  border: 1px solid color-mix(in srgb, var(--division) 35%, transparent);
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  position: relative;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.division-action::after {
  border: 2px solid var(--division);
  border-radius: inherit;
  content: "";
  inset: -2px;
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.division-card:not(.is-selected):hover .division-action,
.division-card:not(.is-selected):focus-within .division-action,
.division-card.is-hinting:not(.is-selected) .division-action {
  background: var(--division);
  border-color: var(--division);
  color: var(--white);
}

.division-card:not(.is-selected):hover .division-action::after,
.division-card:not(.is-selected):focus-within .division-action::after,
.division-card.is-hinting:not(.is-selected) .division-action::after {
  animation: invitacion-clic 1.6s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.division-card:not(.is-selected):hover .division-action,
.division-card.is-hinting:not(.is-selected) .division-action {
  animation: pulso-clic 1.6s ease-in-out infinite;
}

.division-card.is-hinting:not(.is-selected) {
  border-color: color-mix(in srgb, var(--division) 42%, var(--cusca-light));
  box-shadow: var(--shadow-soft);
  transform: translateY(-6px);
}

.division-card.is-hinting:not(.is-selected) .card-icon {
  transform: translateY(-4px) rotate(-4deg) scale(1.08);
}

.division-card.is-selected .division-action {
  display: none;
}

@keyframes invitacion-clic {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.35, 1.7); }
}

@keyframes pulso-clic {
  0%, 100% { transform: scale(1); }
  12% { transform: scale(0.94); }
  24% { transform: scale(1.02); }
}

@media (prefers-reduced-motion: reduce) {
  .division-action,
  .division-action::after {
    animation: none !important;
  }
}

/* Divisiones (ajuste 2): encabezado y tarjetas caben en una pantalla de escritorio. */
@media (min-width: 992px) {
  #divisiones.section {
    padding: 3.25rem 0 4rem;
  }

  #divisiones .container > .text-center {
    max-width: 960px !important;
  }

  #divisiones .eyebrow {
    margin-bottom: 0.6rem;
  }

  #divisiones .section-title {
    font-size: clamp(1.6rem, 2.2vw, 2.15rem);
    margin-bottom: 0;
  }

  #divisiones .section-rule {
    height: 3px;
    margin-bottom: 0.85rem !important;
    margin-top: 0.85rem !important;
  }

  #divisiones .section-lead {
    font-size: 0.98rem;
    margin-bottom: 0;
    max-width: 720px;
  }

  #divisiones .division-explorer {
    margin-top: 1.75rem !important;
  }

  #divisiones .division-grid {
    min-height: 0;
  }

  #divisiones .division-trigger {
    padding: 2rem 1.9rem 1.75rem;
  }

  #divisiones .card-icon {
    border-radius: 14px;
    font-size: 1.3rem;
    height: 52px;
    margin-bottom: 1.15rem;
    width: 52px;
  }

  #divisiones .division-card .tagline {
    margin-bottom: 0.9rem;
  }

  #divisiones .division-summary {
    margin-bottom: 1.4rem;
  }

  /* Tarjeta abierta: más compacta para leer todo el detalle sin bajar tanto. */
  #divisiones .division-card.is-selected {
    min-height: 0;
  }

  #divisiones .division-card.is-selected .division-trigger {
    flex-basis: 34%;
    padding: 2.5rem 2.25rem;
  }

  #divisiones .division-card.is-selected .division-panel {
    flex-basis: 66%;
    padding: 2.5rem 2.75rem;
  }

  #divisiones .division-panel h4 {
    font-size: clamp(1.35rem, 1.8vw, 1.85rem);
    margin: 0.5rem 0 1rem;
  }

  #divisiones .service-list {
    display: grid;
    gap: 0 2rem;
    grid-template-columns: 1fr 1fr;
  }

  #divisiones .service-list li {
    padding: 0.6rem 0;
  }

  #divisiones .product-caption {
    margin: 1.1rem 0 0.5rem;
  }

  #divisiones .product-names {
    margin-bottom: 1.25rem;
  }
}

/* Brillo que sigue al cursor más suave, sin mancha gris. */
.division-card::after {
  background: radial-gradient(circle at var(--pointer-x) var(--pointer-y), color-mix(in srgb, var(--division) 7%, transparent), transparent 38%);
}

/* Cabecera compacta: logotipo al borde izquierdo, menú al derecho, franja más baja.
   El logotipo va incrustado (mismo SVG oficial) para que use Montserrat local. */
@media (min-width: 992px) {
  .site-header .navbar.container {
    max-width: 1680px;
    min-height: 72px;
    padding-block: 0;
    width: calc(100% - clamp(32px, 5vw, 96px));
  }

  .header-brand .brand-logo {
    height: auto;
    width: 200px;
  }

  .site-header .navbar-nav {
    gap: 2.25rem !important;
  }

  .site-header .nav-link {
    font-size: 1rem;
    letter-spacing: 0.01em;
    padding-inline: 0 !important;
    position: relative;
  }

  .site-header .nav-link::after {
    background: var(--cusca-orange);
    border-radius: 2px;
    bottom: 2px;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
    width: 100%;
  }

  .site-header .nav-link:hover::after,
  .site-header .nav-link:focus::after {
    transform: scaleX(1);
  }

  .site-header .nav-item.ms-lg-3 {
    margin-left: 0.25rem !important;
  }

  .site-header .btn-brand {
    font-size: 0.95rem;
    padding: 0.62rem 1.5rem;
  }

  .section,
  .division-card {
    scroll-margin-top: 72px;
  }
}

/* Contacto: correo, WhatsApp y llamada. */
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.contact-option {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 18px;
  color: var(--white);
  display: inline-flex;
  gap: 0.85rem;
  min-width: 250px;
  padding: 0.9rem 1.25rem;
  text-align: left;
  text-decoration: none;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.contact-option span {
  display: flex;
  flex-direction: column;
  font: 600 1rem var(--heading);
}

.contact-option small {
  color: rgba(255, 255, 255, 0.7);
  font: 600 0.72rem var(--heading);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.contact-option:hover,
.contact-option:focus {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--white);
  color: var(--white);
  transform: translateY(-3px);
}

.contact-option--primary {
  background: var(--cusca-orange);
  border-color: var(--cusca-orange);
}

.contact-option--primary small {
  color: rgba(255, 255, 255, 0.86);
}

.contact-option--primary:hover,
.contact-option--primary:focus {
  background: var(--cusca-orange);
  border-color: var(--white);
}

.contact-icon {
  flex: 0 0 auto;
  height: 26px;
  width: 26px;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
}

.legal-links a {
  color: rgba(255, 255, 255, 0.72);
}

.legal-links a:hover,
.legal-links a:focus {
  color: var(--cusca-sky);
}

@media (max-width: 575px) {
  .contact-option {
    min-width: 0;
    width: 100%;
  }
}

/* Táctil: objetivos de al menos 44 px de alto para enlaces y preguntas. */
@media (hover: none), (max-width: 991px) {
  .site-header .nav-link,
  .footer-link,
  .legal-links a,
  .legal-back {
    align-items: center;
    display: inline-flex;
    min-height: 44px;
  }

  .site-footer .footer-link.d-block {
    display: flex !important;
  }

  .service-questions summary {
    padding-block: 10px;
  }
}

/* Contacto: interlineado del título más compacto. */
.cta h2 {
  letter-spacing: -0.03em;
  line-height: 1.12;
}

/* Títulos: interlineado compacto en todos los tamaños (el cuerpo usa 1.6). */
h1,
h2,
h3,
h4 {
  line-height: 1.15;
}

/* ===== Versión para teléfono y tablet ===== */
@media (max-width: 991px) {
  .section {
    padding: 3.5rem 0;
  }

  #divisiones.section {
    padding-top: 3rem;
  }

  /* Tarjetas de divisiones: altura según contenido, sin huecos. */
  #divisiones .division-card,
  .division-card {
    min-height: 0;
  }

  #divisiones .division-trigger {
    padding: 1.75rem 1.5rem 1.5rem;
  }

  #divisiones .card-icon {
    border-radius: 12px;
    font-size: 1.15rem;
    height: 46px;
    margin-bottom: 1rem;
    width: 46px;
  }

  #divisiones .division-card .tagline {
    margin-bottom: 0.75rem;
  }

  #divisiones .division-summary {
    margin-bottom: 1.25rem;
  }

  #divisiones .division-grid {
    gap: 1rem;
  }

  #divisiones .division-card.is-selected .division-trigger,
  #divisiones .division-card.is-selected .division-panel {
    padding: 1.75rem 1.5rem;
  }
}

@media (max-width: 575px) {
  .navbar {
    min-height: 68px;
  }

  .header-brand .brand-logo {
    width: 180px;
  }

  /* Portada: texto arriba e isotipo centrado debajo de los botones. */
  .hero {
    min-height: 0;
    padding: 6.5rem 0 17rem;
  }

  .hero h1 {
    font-size: clamp(2.3rem, 11vw, 3rem);
    letter-spacing: -0.035em;
    line-height: 1.05;
  }

  .hero h1 span {
    display: block;
  }

  .hero-copy {
    font-size: 1.02rem;
    line-height: 1.6;
  }

  .hero-content .d-flex {
    flex-direction: column;
    gap: 0.75rem !important;
  }

  .hero-content .btn-brand,
  .hero-content .btn-outline-brand {
    padding: 0.95rem 1.25rem;
    text-align: center;
    width: 100%;
  }

  .brand-constellation {
    bottom: 1.5rem;
    height: 220px;
    left: 50%;
    opacity: 1;
    right: auto;
    top: auto;
    translate: -50% 0;
    width: 220px;
  }

  .hero-orb {
    bottom: 0.5rem;
    height: 260px;
    left: 50%;
    opacity: 0.5;
    right: auto;
    top: auto;
    translate: -50% 0;
    width: 260px;
  }

  /* Títulos de sección proporcionados al ancho del teléfono. */
  .section-title,
  #divisiones .section-title {
    font-size: 1.7rem;
    letter-spacing: -0.025em;
  }

  .about-panel h2 {
    font-size: 2rem;
    letter-spacing: -0.03em;
  }

  .cta h2 {
    font-size: 1.85rem;
  }

  .company-heading .section-title {
    margin-bottom: 0.5rem;
  }

  .service-guide {
    margin-top: 2.5rem;
  }
}

@media (max-width: 575px) {
  .hero h1 {
    font-size: clamp(2.05rem, 9.6vw, 2.8rem);
  }

  /* Pie compacto en teléfono. */
  .site-footer {
    padding-top: 2.5rem;
  }

  .site-footer .row {
    row-gap: 1.5rem !important;
  }

  .site-footer h2 {
    margin-bottom: 0.35rem;
  }

  .site-footer .footer-link,
  .site-footer .legal-links a {
    min-height: 40px;
  }

  .site-footer .footer-link.mb-2 {
    margin-bottom: 0 !important;
  }

  .copyright {
    margin-top: 1.5rem;
  }
}

@media (min-width: 576px) and (max-width: 991px) {
  .hero {
    min-height: 0;
    padding: 7.5rem 0 6rem;
  }
}

@media (max-width: 575px) {
  .cta {
    padding-bottom: 2.75rem;
  }
}