:root {
  --bg: #060816;
  --bg-deep: #03050d;
  --panel: rgba(11, 16, 32, 0.72);
  --panel-strong: rgba(12, 18, 38, 0.9);
  --line: rgba(149, 164, 255, 0.16);
  --line-strong: rgba(114, 250, 255, 0.34);
  --text: #f2f7ff;
  --muted: #9aa7c2;
  --accent: #72faff;
  --accent-2: #8f6bff;
  --accent-3: #00ffa6;
  --max-width: 1180px;
  --shadow: 0 32px 100px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* Regla general de seguridad para multimedia */
img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(114, 250, 255, 0.12), transparent 26%),
    radial-gradient(circle at 82% 18%, rgba(143, 107, 255, 0.18), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(0, 255, 166, 0.08), transparent 30%),
    linear-gradient(180deg, #070a14 0%, #040611 48%, #02040c 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
  pointer-events: none;
}

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

button,
input {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.9) 0.5px, transparent 0.5px),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.8) 0.5px, transparent 0.5px),
    radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.7) 0.5px, transparent 0.5px);
  background-size: 180px 180px;
}

.ambient {
  position: fixed;
  width: 34rem;
  height: 34rem;
  border-radius: 999px;
  filter: blur(95px);
  opacity: 0.2;
  pointer-events: none;
  animation: floatGlow 12s ease-in-out infinite;
}

.ambient-cyan {
  top: -8rem;
  left: -10rem;
  background: var(--accent);
}

.ambient-violet {
  right: -10rem;
  top: 16rem;
  background: var(--accent-2);
  animation-delay: -4s;
}

.hero,
.section {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: 100%;
  padding: 1.2rem 0;
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(5, 8, 22, 0.78), rgba(5, 8, 22, 0.28));
}

.site-header-inner {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  font-family: "Syne", sans-serif;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 12, 24, 0.58);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a {
  position: relative;
  padding-bottom: 0.15rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transform: scaleX(0.6);
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 2.5rem;
  align-items: center;
  min-height: calc(100svh - 84px);
  padding: 3.5rem 0 5rem;
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}

.hero h1,
.section h2 {
  margin: 0;
  font-family: "Syne", sans-serif;
  line-height: 0.94;
  letter-spacing: -0.05em;
}

.hero h1 {
  font-size: clamp(2.9rem, 7vw, 5.9rem);
  max-width: 8.4ch;
}

.hero-text,
.section-heading p,
.feature-panel p,
.split-card p,
.model-block li,
.timeline-item p,
.cta-panel p,
.hero-metrics span {
  color: var(--muted);
  line-height: 1.72;
}

.hero-text {
  max-width: 39rem;
  margin: 1.5rem 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.35rem;
  padding: 0 1.4rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px rgba(114, 250, 255, 0.14), 0 12px 32px rgba(114, 250, 255, 0.1);
}

.button-primary {
  color: #071019;
  font-weight: 700;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent) 0%, #9dc9ff 45%, var(--accent-3) 100%);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.03);
}

.button-ghost {
  background: rgba(114, 250, 255, 0.06);
}

.button-wide {
  width: 100%;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  padding: 0;
  margin: 2.25rem 0 0;
  list-style: none;
}

.hero-metrics li,
.feature-panel,
.model-block,
.timeline-item,
.scan-card,
.signal-grid article,
.cta-panel,
.split-card {
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-metrics li {
  padding: 1rem;
  border-radius: 1.25rem;
}

.hero-metrics strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  align-self: end;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.hero-showcase {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin-left: auto;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background:
    radial-gradient(circle at top center, rgba(114, 250, 255, 0.1), transparent 34%),
    linear-gradient(180deg, rgba(11, 16, 32, 0.9), rgba(8, 11, 24, 0.8));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-shot {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  object-position: center top;
  border-radius: 1.35rem;
}

.hero-badges {
  position: absolute;
  left: 1.6rem;
  right: 1.6rem;
  bottom: 1.4rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.hero-badges article {
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(149, 164, 255, 0.16);
  border-radius: 1rem;
  background: rgba(7, 10, 22, 0.72);
  backdrop-filter: blur(14px);
}

.hero-badges span {
  display: inline-block;
  margin-bottom: 0.3rem;
  color: var(--accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-badges strong {
  line-height: 1.45;
  font-size: 0.95rem;
}

.hero-orbit {
  position: relative;
  width: min(100%, 32rem);
  aspect-ratio: 0.92;
  padding: 1.2rem;
  border-radius: 2rem;
  border: 1px solid rgba(143, 107, 255, 0.2);
  background:
    radial-gradient(circle at 50% 50%, rgba(114, 250, 255, 0.08), transparent 32%),
    linear-gradient(180deg, rgba(10, 16, 33, 0.9), rgba(7, 10, 22, 0.7));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-orbit::before,
.hero-orbit::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(114, 250, 255, 0.18);
  border-radius: 999px;
}

.hero-orbit::before {
  inset: 10% 8%;
}

.hero-orbit::after {
  inset: 23% 18%;
}

.scan-card {
  position: absolute;
  width: min(70%, 18rem);
  padding: 1rem 1.1rem;
  border-radius: 1.2rem;
}

.scan-card-primary {
  top: 1rem;
  right: 1rem;
  animation: drift 7s ease-in-out infinite;
}

.scan-card-secondary {
  left: 1rem;
  bottom: 9.5rem;
  animation: drift 8s ease-in-out infinite reverse;
}

.scan-label,
.feature-panel span,
.timeline-item span {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: var(--accent);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.scan-card strong,
.signal-grid strong {
  line-height: 1.45;
}

.signal-grid {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.signal-grid article {
  padding: 1rem;
  border-radius: 1.15rem;
}

.signal-grid span {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--accent-3);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.section {
  padding: 5.5rem 0;
}

.section h2 {
  font-size: clamp(2rem, 5vw, 4rem);
  max-width: 13ch;
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2.4rem;
}

.section-heading p:last-child {
  margin-top: 1rem;
}

.feature-grid,
.model-columns,
.stack-timeline {
  display: grid;
  gap: 1rem;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-panel,
.model-block,
.timeline-item {
  padding: 1.3rem;
  border-radius: 1.4rem;
}

.feature-panel h3,
.model-block h3 {
  margin: 0 0 0.8rem;
  font-family: "Syne", sans-serif;
  font-size: 1.35rem;
}

.section-elemental {
  padding-top: 1rem;
}

.elemental-shell {
  padding: 1.7rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background:
    radial-gradient(circle at top right, rgba(114, 250, 255, 0.08), transparent 24%),
    radial-gradient(circle at bottom left, rgba(143, 107, 255, 0.12), transparent 26%),
    linear-gradient(180deg, rgba(11, 16, 32, 0.92), rgba(8, 11, 24, 0.84));
  box-shadow: var(--shadow);
}

.elemental-heading {
  max-width: 48rem;
}

.elemental-lead {
  margin-top: 1rem;
  color: var(--muted);
  line-height: 1.72;
}

.elemental-top,
.media-grid,
.dev-columns,
.video-grid {
  display: grid;
  gap: 1rem;
}

.elemental-top {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  margin-top: 1.5rem;
}

.elemental-copy,
.download-panel,
.placeholder-card,
.dev-panel,
.video-placeholder,
.site-footer,
.privacy-card,
.privacy-hero {
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.elemental-copy,
.download-panel,
.placeholder-card,
.dev-panel,
.video-placeholder,
.privacy-card,
.privacy-hero {
  padding: 1.35rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.chip,
.panel-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid rgba(114, 250, 255, 0.22);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  color: var(--accent);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: rgba(114, 250, 255, 0.05);
}

.elemental-copy p,
.placeholder-card p,
.dev-panel li,
.video-placeholder p,
.privacy-card p,
.privacy-card li,
.privacy-hero p,
.site-footer p {
  color: var(--muted);
  line-height: 1.72;
}

.download-panel {
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.media-grid,
.dev-columns,
.video-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}

.placeholder-card,
.video-placeholder {
  min-height: 16rem;
  position: relative;
  overflow: hidden;
}

.image-card {
  padding: 0;
}

.image-card img,
.media-frame img {
  display: block;
  width: 100%;
}

.image-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.image-card-wide img {
  aspect-ratio: 16 / 8;
}

.media-copy {
  padding: 1.1rem 1.2rem 1.2rem;
}

.placeholder-card::before,
.video-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(114, 250, 255, 0.08), transparent 34%),
    linear-gradient(315deg, rgba(143, 107, 255, 0.08), transparent 30%);
  pointer-events: none;
}

.placeholder-card span,
.video-placeholder span {
  display: inline-block;
  margin-bottom: 0.7rem;
  color: var(--accent);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.placeholder-card strong,
.video-placeholder strong {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 1.3rem;
  font-family: "Syne", sans-serif;
}

.media-grid-stage {
  grid-template-columns: 1fr;
}

.media-preview {
  display: grid;
  align-content: start;
}

.media-frame {
  display: grid;
  place-items: center;
  min-height: 14rem;
  margin: -1.35rem -1.35rem 1rem;
  padding: 1.5rem;
  background:
    radial-gradient(circle at center, rgba(114, 250, 255, 0.1), transparent 55%),
    linear-gradient(180deg, rgba(7, 10, 22, 0.95), rgba(7, 10, 22, 0.85));
  border-bottom: 1px solid var(--line);
}

.media-frame img {
  max-width: 14rem;
  max-height: 14rem;
  object-fit: contain;
  image-rendering: pixelated;
}

.media-frame video {
  display: block;
  width: min(100%, 18rem);
  max-height: 14rem;
  border-radius: 1rem;
  object-fit: contain;
}

.dev-panel ul,
.privacy-card ul {
  margin: 0;
  padding-left: 1rem;
}

.dev-panel li + li,
.privacy-card li + li {
  margin-top: 0.6rem;
}

.split-card {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  padding: 1.6rem;
  border-radius: 1.8rem;
}

.model-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1rem;
}

.model-block ul {
  margin: 0;
  padding-left: 1rem;
}

.model-block li + li {
  margin-top: 0.6rem;
}

.stack-intro {
  margin-bottom: 1.8rem;
}

.stack-timeline {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.timeline-item {
  position: relative;
  min-height: 15rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(114, 250, 255, 0.9);
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.72fr);
  gap: 2rem;
  align-items: center;
  padding: 1.8rem;
  border-radius: 2rem;
  position: relative;
  overflow: hidden;
}

.cta-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 18rem;
  height: 18rem;
  background: radial-gradient(circle, rgba(114, 250, 255, 0.2), transparent 62%);
  pointer-events: none;
}

.cta-form {
  display: grid;
  gap: 0.9rem;
}

.cta-form input {
  min-height: 3.5rem;
  width: 100%;
  padding: 0 1rem;
  border: 1px solid rgba(149, 164, 255, 0.22);
  border-radius: 999px;
  color: var(--text);
  background: rgba(4, 7, 18, 0.9);
  outline: none;
}

.cta-form input:focus {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 4px rgba(114, 250, 255, 0.08);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto 2rem;
  padding: 1rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer a {
  color: var(--accent);
}

.privacy-card a {
  color: var(--accent);
}

.privacy-main {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 5rem;
}

.privacy-hero {
  max-width: 56rem;
  margin-bottom: 1rem;
}

.privacy-hero h1 {
  margin: 0;
  font-family: "Syne", sans-serif;
  font-size: clamp(2.8rem, 8vw, 5rem);
  line-height: 0.96;
  letter-spacing: -0.05em;
}

.privacy-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.privacy-card h2 {
  margin: 0 0 0.9rem;
  font-family: "Syne", sans-serif;
  font-size: 1.45rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes floatGlow {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, 18px, 0);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1080px) {
  .hero,
  .split-card,
  .cta-panel,
  .feature-grid,
  .model-columns,
  .stack-timeline,
  .elemental-top,
  .media-grid,
  .dev-columns,
  .video-grid,
  .privacy-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2.5rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    justify-content: flex-start;
    width: 100%;
    margin-top: 2rem;
  }

  .hero-showcase {
    margin-left: 0;
    max-width: 100%;
  }

  .hero-badges {
    position: static;
    grid-template-columns: 1fr;
    margin-top: 1rem;
  }
}

@media (max-width: 720px) {
  .hero,
  .section {
    width: min(var(--max-width), calc(100% - 1.2rem));
  }

  .site-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
  }

  .site-nav {
    gap: 0.7rem 1rem;
    border-radius: 1.25rem;
  }

  .hero h1 {
    max-width: 7.4ch;
  }

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

  .scan-card {
    position: relative;
    inset: auto;
    width: 100%;
    margin-bottom: 0.85rem;
  }

  .hero-showcase {
    width: 100%;
    padding: 0.8rem;
    border-radius: 1.4rem;
  }

  .site-footer {
    width: min(var(--max-width), calc(100% - 1.2rem));
    flex-direction: column;
    align-items: flex-start;
  }

  .privacy-main {
    width: min(var(--max-width), calc(100% - 1.2rem));
  }
}