/* VistaAI — sitio de producto */
:root {
  --bg: #050e1f;
  --bg-elevated: #0a1628;
  --ink: #f2f6fc;
  --ink-muted: #9aadc4;
  --line: rgba(120, 170, 230, 0.18);
  --blue: #2f7dff;
  --blue-bright: #4aa3ff;
  --cyan: #6ec8ff;
  --ok: #3dcf8e;
  --warn: #ff7a59;
  --radius: 16px;
  --max: 1120px;
  --font-display: "Sora", system-ui, sans-serif;
  --font-body: "Manrope", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

/* —— Nav —— */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  padding: 0.85rem 0;
  background: rgba(5, 14, 31, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-nav.scrolled {
  background: rgba(5, 14, 31, 0.92);
  border-bottom-color: var(--line);
}

.site-nav .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  text-decoration: none !important;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-size: 1.05rem;
}

.brand-mark img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-mark .ai {
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink-muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  background: var(--blue);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none !important;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 0 0 rgba(47, 125, 255, 0.45);
  animation: cta-glow 2.8s ease-in-out infinite;
}

.nav-cta:hover {
  background: var(--blue-bright);
  transform: translateY(-1px);
}

@keyframes cta-glow {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(47, 125, 255, 0.35);
  }
  50% {
    box-shadow: 0 0 22px 2px rgba(47, 125, 255, 0.45);
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: clip;
  padding: 6.5rem 0 4.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 70% 55% at 78% 42%, rgba(47, 125, 255, 0.34), transparent 58%),
    radial-gradient(ellipse 45% 40% at 12% 75%, rgba(110, 200, 255, 0.1), transparent 50%),
    linear-gradient(165deg, #061225 0%, #050e1f 45%, #081833 100%);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(110, 200, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 200, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 65% at 55% 40%, black, transparent);
  opacity: 0.55;
  animation: grid-drift 28s linear infinite;
}

@keyframes grid-drift {
  from {
    background-position: 0 0, 0 0;
  }
  to {
    background-position: 56px 56px, 56px 56px;
  }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(var(--max), calc(100% - 2.5rem));
}

.hero-copy {
  flex: 1 1 28rem;
  max-width: 34rem;
  opacity: 0;
  transform: translateY(22px);
  animation: rise-in 0.85s ease 0.08s forwards;
}

.hero-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-body);
  font-size: clamp(2.15rem, 4.6vw, 3.35rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--ink);
  text-rendering: geometricPrecision;
  font-kerning: normal;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, var(--cyan), var(--blue-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 0 1.75rem;
  color: var(--ink-muted);
  font-size: 1.12rem;
  max-width: 30rem;
}

.hero-mark-wrap {
  position: relative;
  flex: 0 0 auto;
  width: min(46vw, 460px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  opacity: 0;
  animation: mark-fade-in 0.9s ease 0.15s forwards;
}

.hero-orb {
  position: absolute;
  width: 85%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 163, 255, 0.4), transparent 68%);
  filter: blur(10px);
  animation: orb-pulse 4.5s ease-in-out infinite;
}

.hero-mark-svg-wrap {
  position: relative;
  z-index: 1;
  width: 92%;
  aspect-ratio: 1;
  animation: heartbeat 1.8s ease-in-out infinite;
  transform-origin: center center;
  filter: drop-shadow(0 28px 50px rgba(47, 125, 255, 0.35));
}

.hero-mark-base {
  width: 100%;
  height: auto;
  display: block;
}

.hero-box-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.stolen-box {
  fill: #ff2a2a;
  opacity: 0;
  animation: box-alert 3.4s ease-in-out infinite;
}

.scan-ring {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(110, 200, 255, 0.28);
  border-radius: 50%;
  animation: ring-spin 14s linear infinite;
}

.scan-ring::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 50%;
  width: 10px;
  height: 10px;
  margin-left: -5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

.scan-line {
  position: absolute;
  left: 16%;
  right: 16%;
  top: 20%;
  height: 2px;
  z-index: 2;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: scan-sweep 3.4s ease-in-out infinite;
}

@keyframes heartbeat {
  0%,
  100% {
    transform: scale(1);
  }
  14% {
    transform: scale(1.055);
  }
  28% {
    transform: scale(1);
  }
  42% {
    transform: scale(1.08);
  }
  56% {
    transform: scale(1);
  }
}

@keyframes orb-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(1);
  }
  50% {
    opacity: 0.9;
    transform: scale(1.06);
  }
}

@keyframes ring-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes scan-sweep {
  0% {
    top: 22%;
    opacity: 0;
  }
  15% {
    opacity: 0.85;
  }
  85% {
    opacity: 0.85;
  }
  100% {
    top: 72%;
    opacity: 0;
  }
}

/* Sincronizado con scan-sweep (3.4s): rojo cuando la línea cruza la caja */
@keyframes box-alert {
  0%,
  36% {
    opacity: 0;
  }
  42% {
    opacity: 1;
  }
  58% {
    opacity: 1;
  }
  68%,
  100% {
    opacity: 0;
  }
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-bright), var(--blue));
  color: #fff;
  box-shadow: 0 12px 32px rgba(47, 125, 255, 0.35);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--cyan);
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mark-fade-in {
  to {
    opacity: 1;
  }
}

/* —— Sections —— */
section {
  padding: 5rem 0;
  position: relative;
}

.section-label {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.section-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 22ch;
  color: var(--ink);
}

.section-lead {
  margin: 0 0 2.5rem;
  color: var(--ink-muted);
  max-width: 38rem;
}

/* reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 {
  transition-delay: 0.08s;
}
.reveal-delay-2 {
  transition-delay: 0.16s;
}
.reveal-delay-3 {
  transition-delay: 0.24s;
}

/* —— Pain —— */
.pain {
  background:
    radial-gradient(ellipse 60% 50% at 10% 0%, rgba(255, 90, 70, 0.1), transparent 55%),
    var(--bg);
}

.pain-grid,
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.pain-item,
.feature {
  padding: 1.4rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 22, 40, 0.55);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.pain-item:hover,
.feature:hover {
  transform: translateY(-5px);
  border-color: rgba(110, 200, 255, 0.4);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.icon-badge {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(47, 125, 255, 0.12);
  border: 1px solid rgba(110, 200, 255, 0.22);
  color: var(--cyan);
}

.icon-badge svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-badge.warn {
  background: rgba(255, 122, 89, 0.12);
  border-color: rgba(255, 122, 89, 0.28);
  color: var(--warn);
}

.icon-badge.ok {
  background: rgba(61, 207, 142, 0.12);
  border-color: rgba(61, 207, 142, 0.28);
  color: var(--ok);
}

.pain-item h3,
.feature h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
}

.pain-item p,
.feature p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.98rem;
}

.pain-item em {
  font-style: normal;
  color: var(--cyan);
  font-weight: 700;
}

.feature-num {
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue-bright);
  letter-spacing: 0.08em;
}

/* —— Savings —— */
.savings {
  background:
    radial-gradient(ellipse 70% 80% at 80% 50%, rgba(61, 207, 142, 0.12), transparent 50%),
    linear-gradient(180deg, #071428, #0a1a32 50%, #071428);
  border-block: 1px solid var(--line);
}

.savings-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}

.savings-cell {
  padding: 1.5rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(5, 14, 31, 0.55);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.savings-cell:hover {
  border-color: rgba(110, 200, 255, 0.45);
  transform: translateY(-3px);
}

.savings-cell.highlight {
  border-color: rgba(61, 207, 142, 0.55);
  background: linear-gradient(160deg, rgba(61, 207, 142, 0.18), rgba(47, 125, 255, 0.12));
  box-shadow: 0 16px 40px rgba(61, 207, 142, 0.12);
}

.savings-value {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.15;
}

.savings-cell.highlight .savings-value {
  background: linear-gradient(120deg, #7dffc0, #4aa3ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.savings-label {
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.savings-note {
  margin: 1.5rem 0 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
  max-width: 40rem;
}

.cta-final {
  background: radial-gradient(
    ellipse 50% 60% at 50% 100%,
    rgba(47, 125, 255, 0.22),
    transparent 60%
  );
}

/* —— Tech / NVIDIA —— */
.tech {
  background:
    radial-gradient(ellipse 55% 70% at 15% 40%, rgba(118, 185, 0, 0.08), transparent 55%),
    radial-gradient(ellipse 50% 60% at 90% 60%, rgba(47, 125, 255, 0.14), transparent 50%),
    var(--bg);
  border-block: 1px solid var(--line);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.tech-card {
  padding: 1.4rem 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 22, 40, 0.55);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.tech-card:hover {
  transform: translateY(-5px);
  border-color: rgba(118, 185, 0, 0.35);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.tech-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
}

.tech-card p {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.98rem;
}

.tech-note {
  margin: 1.5rem 0 0;
  color: var(--ink-muted);
  font-size: 0.82rem;
  max-width: 42rem;
  opacity: 0.85;
}

/* —— How —— */
.how {
  background: linear-gradient(180deg, transparent, rgba(13, 26, 48, 0.8), transparent);
}

.steps {
  display: grid;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.step-index {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue);
  line-height: 1.2;
}

.step h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--ink);
}

.step p {
  margin: 0;
  color: var(--ink-muted);
}

/* —— Trust —— */
.trust {
  border-block: 1px solid var(--line);
  background: var(--bg-elevated);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.trust ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.6rem;
  border-bottom: 1px solid var(--line);
  color: var(--ink-muted);
}

.trust li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.2rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 12px rgba(61, 207, 142, 0.5);
}

.trust li strong {
  color: var(--ink);
  font-weight: 700;
}

.note-soft {
  margin-top: 1.5rem;
  padding: 1.15rem 1.25rem;
  border-left: 3px solid var(--blue);
  background: rgba(47, 125, 255, 0.08);
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.note-soft a {
  font-weight: 600;
}

/* —— Contact —— */
.contact-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0 0;
  border-top: 1px solid var(--line);
}

.contact-box p {
  margin: 0.35rem 0 0;
  color: var(--ink-muted);
}

/* —— Footer —— */
.site-footer {
  padding: 2.5rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.site-footer .inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

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

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

/* —— Legal —— */
.legal-page {
  padding: 7rem 0 4rem;
}

.legal-page h1 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.legal-meta {
  margin: 0 0 2.5rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.legal-page h2 {
  margin: 2.25rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.legal-page p,
.legal-page li {
  color: var(--ink-muted);
}

.legal-page ul {
  padding-left: 1.2rem;
}

.legal-page li {
  margin-bottom: 0.45rem;
}

.prose {
  max-width: 42rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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

  .hero-copy,
  .hero-mark-wrap {
    opacity: 1;
    transform: none;
  }

  .stolen-box {
    opacity: 0 !important;
  }
}

/* —— Responsive —— */
@media (max-width: 900px) {
  /* Solo marca + CTA: los links del menú se parten mal en chico. */
  .nav-links li:not(.nav-cta-item) {
    display: none;
  }

  .nav-links {
    gap: 0;
  }

  .nav-cta {
    padding: 0.55rem 1rem;
    font-size: 0.85rem;
  }

  .hero-inner {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .hero-mark-wrap {
    width: min(62vw, 300px);
    align-self: center;
  }

  .hero-copy {
    max-width: none;
  }

  .features,
  .pain-grid,
  .savings-strip,
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 5.5rem;
    min-height: auto;
  }

  .cta-row .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}