:root {
  --c-bg: #081a2a;
  --c-text: #e9f3fb;
  --c-muted: #c6d8e8;
  --c-accent: #55c0d8;
  --c-header: rgba(9, 24, 39, 0.92);
  --c-block-1: #0f2b46;
  --c-block-2: #153954;
  --c-block-3: #1a4760;
  --c-block-4: #1c5569;
  --c-block-5: #215f75;
  --c-block-6: #276b81;
  --c-block-7: #1f5c73;
  --c-block-8: #12364d;
  --radius: 18px;
  --header-h: 86px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  --card-w: 370.88px;
  --card-h: 220.62px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: "Source Sans Pro", system-ui, -apple-system, Segoe UI, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

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

.container {
  width: min(1140px, 92vw);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--c-header);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(200, 228, 246, 0.25);
}

.header-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.3px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: flex-end;
}

.main-nav a {
  color: var(--c-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: color 0.25s ease;
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(231, 244, 252, 0.35);
  background: rgba(4, 12, 21, 0.55);
  color: #fff;
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(4, 12, 21, 0.85);
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: #fff;
}

main {
  padding-top: var(--header-h);
}

.block {
  border-top: 1px solid rgba(233, 243, 251, 0.12);
}

.block-1 { background: linear-gradient(135deg, var(--c-block-1), #24597a); }
.block-2 { background: linear-gradient(135deg, var(--c-block-2), #235f80); }
.block-3 { background: linear-gradient(135deg, var(--c-block-3), #2f7b93); }
.block-4 { background: linear-gradient(135deg, var(--c-block-4), #2c839a); }
.block-5 { background: linear-gradient(135deg, var(--c-block-5), #327f95); }
.block-6 { background: linear-gradient(135deg, var(--c-block-6), #3c8ea2); }
.block-7 { background: linear-gradient(135deg, var(--c-block-7), #2f7893); }
.block-8 { background: linear-gradient(135deg, var(--c-block-8), #266179); }

.hero {
  position: relative;
  overflow: hidden;
  padding: 5.5rem 0 4.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  left: 4%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(150px, 18vw, 250px);
  aspect-ratio: 1 / 1;
  background: url("img/logoDsic.cl.jpeg") no-repeat center / contain;
  opacity: 0.42;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-left: auto;
  padding-left: clamp(190px, 24vw, 300px);
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  margin-bottom: 1rem;
}

.section {
  padding: 4.2rem 0;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.split {
  display: grid;
  align-items: center;
  gap: 2rem;
  grid-template-columns: 1fr 1.1fr;
}

.reverse-desktop {
  grid-template-columns: 1.1fr 1fr;
}

.reverse-desktop .media-wrap {
  order: 2;
}

.reverse-desktop .text-wrap {
  order: 1;
}

.media-wrap img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.text-columns {
  column-count: 2;
  column-gap: 1.5rem;
}

.text-columns p {
  margin: 0 0 1rem;
  break-inside: avoid;
}

.section-intro {
  max-width: 880px;
  margin-bottom: 1.5rem;
}

.carousel {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: center;
}

.carousel-track {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
}

.slide {
  display: none;
  background: rgba(6, 15, 26, 0.35);
  border: 1px solid rgba(227, 241, 251, 0.2);
  border-radius: var(--radius);
  overflow: hidden;
}

.slide.is-active {
  display: block;
}

.slide-media {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: rgba(255, 255, 255, 0.08);
}

.slide-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slide-text {
  padding: 1rem 1rem 1.2rem;
}

#exito .carousel-track,
#proceso .carousel-track,
#tecnologias .carousel-track {
  display: grid;
  place-items: center;
}

#exito .slide,
#proceso .slide,
#tecnologias .slide {
  width: min(var(--card-w), 100%);
  margin-inline: auto;
}

#exito .slide-media,
#proceso .slide-media,
#tecnologias .slide-media {
  width: min(var(--card-w), 100%);
  height: auto;
  aspect-ratio: 370.88 / 220.62;
}

#exito .slide-text,
#proceso .slide-text,
#tecnologias .slide-text {
  padding: 0 0 12px;
}

#exito .slide-text h3,
#proceso .slide-text h3,
#tecnologias .slide-text h3,
#exito .slide-text p,
#proceso .slide-text p,
#tecnologias .slide-text p {
  padding-inline: 12px;
}

.slide-text h3 {
  margin-bottom: 0.45rem;
}

.carousel-btn {
  width: 42px;
  height: 42px;
  border: 1px solid rgba(231, 244, 252, 0.35);
  background: rgba(4, 12, 21, 0.55);
  color: #fff;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
}

.carousel-btn:hover,
.carousel-btn:focus-visible {
  background: rgba(4, 12, 21, 0.85);
}

.logo-slide {
  text-align: center;
}

.logo-media {
  display: grid;
  place-items: center;
  background: rgba(7, 20, 35, 0.72);
}

.logo-media img {
  width: min(180px, 52%);
  height: auto;
  object-fit: contain;
}

.contact {
  text-align: center;
}

.contact-list {
  list-style: none;
  margin: 1rem auto 0;
  padding: 0;
  max-width: 760px;
}

.contact-list li {
  margin-bottom: 0.7rem;
  padding: 0.8rem 1rem;
  background: rgba(5, 16, 29, 0.35);
  border: 1px solid rgba(210, 232, 248, 0.3);
  border-radius: 12px;
}

.reveal {
  opacity: 0.25;
  transform: translateX(64px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 980px) {
  :root {
    --header-h: 86px;
  }

  .header-wrap {
    position: relative;
    align-items: center;
    justify-content: space-between;
    flex-direction: row;
    flex-wrap: wrap;
    padding-top: 0;
    padding-bottom: 0;
    gap: 0.6rem;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: calc(100% - 1px);
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    gap: 0;
    background: rgba(9, 24, 39, 0.98);
    border-bottom: 1px solid rgba(200, 228, 246, 0.25);
    max-height: 70vh;
    overflow-y: auto;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    white-space: normal;
    padding: 0.82rem 1rem;
    border-top: 1px solid rgba(200, 228, 246, 0.15);
    font-size: 1rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .split,
  .reverse-desktop {
    grid-template-columns: 1fr;
  }

  .reverse-desktop .media-wrap,
  .reverse-desktop .text-wrap {
    order: initial;
  }

  .text-columns {
    column-count: 1;
  }
}

@media (max-width: 700px) {
  :root {
    --header-h: 82px;
  }

  .hero {
    padding: 4rem 0 3rem;
  }

  .hero::before {
    left: 50%;
    top: 22px;
    transform: translateX(-50%);
    width: min(54vw, 220px);
    opacity: 0.34;
  }

  .hero-content {
    margin-left: 0;
    padding-left: 0;
    padding-top: min(54vw, 220px);
  }

  .section {
    padding: 3.2rem 0;
  }

  .carousel {
    grid-template-columns: 1fr;
  }

  .carousel-btn {
    width: 100%;
    border-radius: 10px;
    height: 38px;
  }

  .contact-list li {
    word-break: break-word;
  }
}

@media (max-width: 480px) {
  :root {
    --header-h: 78px;
  }

  .container {
    width: min(1140px, 94vw);
  }

  .brand-logo {
    width: 44px;
    height: 44px;
  }

  .main-nav {
    max-height: 74vh;
  }

  .main-nav a {
    font-size: 0.92rem;
  }

  .hero {
    padding: 3.5rem 0 2.5rem;
  }

  .hero::before {
    width: min(46vw, 170px);
    top: 16px;
  }

  .hero-content {
    padding-top: min(46vw, 170px);
  }

  .section {
    padding: 2.7rem 0;
  }

  .slide-text {
    padding: 0.85rem 0.85rem 1rem;
  }

  .carousel-btn {
    height: 36px;
    font-size: 0.95rem;
  }

  .contact-list li {
    padding: 0.72rem 0.8rem;
  }
}