/*
  components.css — POLY Stress Test
  Módulos reutilizables entre las 3 landings.
  Cada componente es autocontenido — no depende de otro.
*/

/* ─── NAVEGACIÓN ──────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--gutter);
  background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 100%);
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-primary);
  opacity: 0.7;
}

.nav__cta {
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--weight-semibold);
  color: var(--color-accent);
  letter-spacing: var(--tracking-wide);
  transition: opacity var(--dur-fast) var(--ease-out-quart);
}

.nav__cta:hover { opacity: 0.7; }

/* ─── HERO ────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr;
  align-content: end;
  padding-top: 6rem;
  padding-bottom: var(--space-12);
  padding-inline: var(--gutter);
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

@media (min-width: 768px) {
  .hero {
    align-content: center;
    grid-template-columns: 55% 45%;
    grid-template-rows: auto;
  }
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-dots {
  position: absolute;
  inset: 0;
  opacity: 1;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 65% 50%, transparent 0%, var(--color-bg) 70%),
    linear-gradient(to bottom, transparent 40%, var(--color-bg) 100%);
}

/* Imagen atmosférica — asset entregado por Lime (v1/v2 según landing) */
.hero__bg-image {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  mix-blend-mode: screen;
}

/* Placeholder de imagen — color block con overlay */
.hero__bg-image-placeholder {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
    transparent 30%,
    rgba(245, 166, 35, 0.04) 50%,
    rgba(245, 166, 35, 0.08) 70%,
    rgba(245, 166, 35, 0.03) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 1;
  grid-column: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 640px;
}

.hero__eyebrow {
  display: block;
}

.hero__headline {
  /* motion: entrada con delay 200ms, 500ms ease-out-strong */
}

.hero__sub {
  max-width: 480px;
  color: var(--color-text-secondary);
}

.hero__cta-cluster {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

@media (min-width: 480px) {
  .hero__cta-cluster {
    flex-direction: row;
    align-items: center;
  }
}

.hero__metric {
  position: absolute;
  bottom: var(--space-12);
  right: var(--gutter);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-1);
}

@media (max-width: 767px) {
  .hero__metric {
    position: static;
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-2);
    margin-top: var(--space-4);
  }
}

.hero__metric-value {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  color: var(--color-accent);
}

/* ─── BOTONES ─────────────────────────────────────────────── */

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  transition:
    transform var(--dur-instant) var(--ease-out-quart),
    background-color var(--dur-fast) var(--ease-out-quart);
}

.cta-primary:active {
  transform: scale(0.97);
}

@media (hover: hover) and (pointer: fine) {
  .cta-primary:hover {
    background-color: var(--color-accent-dim);
  }
}

.cta-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  padding: 0.75rem 0;
  transition: color var(--dur-fast) var(--ease-out-quart);
}

@media (hover: hover) and (pointer: fine) {
  .cta-secondary:hover {
    color: var(--color-text-primary);
  }
}

/* ─── SECTION HEADER ──────────────────────────────────────── */

.section-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.section-header--center {
  text-align: center;
  align-items: center;
}

/* ─── PAIN OPENER ─────────────────────────────────────────── */

.pain-opener {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-block: var(--space-24);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.pain-opener__text {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  color: var(--color-text-secondary);
  max-width: var(--content-width);
}

.pain-opener__text em {
  font-style: normal;
  color: var(--color-text-primary);
}

/* ─── FEATURE FLOW ────────────────────────────────────────── */
/* intentionally multi-viewport — 3 pasos con IO, narrativa extendida por diseño */

.feature-flow {
  padding-block: var(--space-16);
  background: var(--color-surface);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.feature-flow__inner {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 900px) {
  .feature-flow__inner {
    grid-template-columns: 280px 1fr;
    gap: var(--space-12);
  }
}

.feature-flow__nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}

@media (min-width: 900px) {
  .feature-flow__nav {
    position: sticky;
    top: var(--space-12);
    height: fit-content;
  }
}

.step-indicator {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--dur-feature) var(--ease-in-out-quart);
}

.step-indicator:last-child {
  border-bottom: none;
}

.step-indicator__number {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  transition: color var(--dur-feature) var(--ease-in-out-quart);
  min-width: 3ch;
}

.step-indicator__label {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  transition: color var(--dur-feature) var(--ease-in-out-quart);
}

.step-indicator__underline {
  display: block;
  height: 1.5px;
  background: var(--color-accent);
  width: 0;
  margin-top: var(--space-1);
  transition: width var(--dur-feature) var(--ease-out-strong);
}

/* Estado activo */
.feature-step.is-active .step-indicator__number,
.feature-step.is-active .step-indicator__label {
  color: var(--color-text-primary);
}

.feature-step.is-active .step-indicator__number {
  color: var(--color-accent);
}

.feature-step.is-active .step-indicator__underline {
  width: 100%;
}

.feature-flow__panels {
  position: relative;
}

.feature-panel {
  opacity: 0.35;
  transition: opacity var(--dur-feature) var(--ease-in-out-quart);
  padding: var(--space-6) 0;
  border-bottom: 1px solid var(--color-border);
}

.feature-panel:last-child {
  border-bottom: none;
}

.feature-panel.is-active {
  opacity: 1;
}

.feature-panel__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-panel__title {
  /* usa .text-h3 */
}

/* ─── INTEGRATION STRIP ───────────────────────────────────── */

.integration-strip {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-24);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.integration-strip__logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6) var(--space-8);
  margin-top: var(--space-6);
}

.integration-logo {
  font-family: var(--font-mono);
  font-size: var(--text-small);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  opacity: 0.6;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: opacity var(--dur-fast) var(--ease-out-quart);
}

@media (hover: hover) and (pointer: fine) {
  .integration-logo:hover {
    opacity: 1;
    border-color: var(--color-border-accent);
  }
}

.integration-strip__note {
  text-align: center;
  margin-top: var(--space-4);
}

/* ─── COMPARISON TABLE ────────────────────────────────────── */

.comparison {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-16);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.comparison__table-wrapper {
  overflow-x: auto;
  margin-top: var(--space-8);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-small);
  min-width: 540px;
}

.comparison-table thead th {
  background: var(--color-surface);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.comparison-table thead th:first-child {
  color: var(--color-text-secondary);
}

.comparison-table thead th.col-after {
  color: var(--color-accent);
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--color-border);
}

.comparison-table tbody tr:last-child {
  border-bottom: none;
}

.comparison-table tbody td {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  vertical-align: top;
  line-height: var(--leading-snug);
}

.comparison-table tbody td:first-child {
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

.comparison-table tbody td.col-after {
  color: var(--color-text-primary);
}

/* ─── EMBED VISOR 3D ──────────────────────────────────────── */

.embed-section {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-16);
  background: var(--color-surface);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.embed-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin-top: var(--space-4);
}

.embed-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.embed-overlay {
  position: absolute;
  inset: 0;
  background: var(--color-overlay);
  display: grid;
  place-items: center;
  transition: opacity 300ms var(--ease-out-quart);
  z-index: 2;
}

.embed-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.embed-overlay__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.embed-overlay__icon {
  width: 48px;
  height: 48px;
  border: 1.5px solid var(--color-accent);
  border-radius: var(--radius-full);
  display: grid;
  place-items: center;
  color: var(--color-accent);
  animation: pulse-ring 2s var(--ease-out-quart) infinite;
}

@keyframes pulse-ring {
  0%   { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0.3); }
  70%  { box-shadow: 0 0 0 12px rgba(245, 166, 35, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 166, 35, 0); }
}

/* Cursor hint para el embed */
.embed-drag-hint {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out-quart);
  pointer-events: none;
}

.embed-drag-hint.visible {
  opacity: 1;
}

/* ─── TESTIMONIAL ─────────────────────────────────────────── */

.testimonial {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-16);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.testimonial__inner {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .testimonial__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.testimonial__quote {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-snug);
  line-height: var(--leading-snug);
  color: var(--color-text-primary);
}

.testimonial__quote::before {
  content: '\201C';
  color: var(--color-accent);
}

.testimonial__quote::after {
  content: '\201D';
  color: var(--color-accent);
}

.testimonial__attribution {
  margin-top: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--text-small);
}

.testimonial__metric {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-8);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-accent);
}

.testimonial__metric-number {
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  color: var(--color-accent);
}

/* ─── FAQ ─────────────────────────────────────────────────── */

.faq {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-16);
  background: var(--color-surface);
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.faq__list {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq__item {
  border-top: 1px solid var(--color-border);
}

.faq__item:last-child {
  border-bottom: 1px solid var(--color-border);
}

/* details/summary para mobile — no :target, no JS modal */
.faq__item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  transition: color var(--dur-fast) var(--ease-out-quart);
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__item summary::after {
  content: '+';
  font-size: var(--text-h3);
  color: var(--color-accent);
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-out-strong);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__answer {
  padding-bottom: var(--space-4);
  color: var(--color-text-secondary);
  max-width: var(--content-width);
  line-height: var(--leading-normal);
}

/* ─── CTA FINAL ───────────────────────────────────────────── */

.cta-final {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-block: var(--space-24);
  text-align: center;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
}

.cta-final__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.cta-final__headline {
  max-width: 600px;
}

.cta-final__cluster {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

@media (min-width: 480px) {
  .cta-final__cluster {
    flex-direction: row;
  }
}

.cta-final__microcopy {
  margin-top: var(--space-2);
}

/* ─── FOOTER ──────────────────────────────────────────────── */

.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

@media (min-width: 640px) {
  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__links {
  display: flex;
  gap: var(--space-4);
}

.site-footer__links a {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  transition: color var(--dur-fast) var(--ease-out-quart);
}

.site-footer__links a:hover {
  color: var(--color-text-primary);
}

/* ─── SCROLL REVEALS ──────────────────────────────────────── */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(12px);
    transition:
      opacity var(--dur-reveal) var(--ease-out-strong),
      transform var(--dur-reveal) var(--ease-out-strong);
  }

  .reveal.in-view {
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger para grupos de hasta 6 items */
  .reveal-group .reveal:nth-child(1) { transition-delay: calc(var(--stagger-tight) * 0); }
  .reveal-group .reveal:nth-child(2) { transition-delay: calc(var(--stagger-tight) * 1); }
  .reveal-group .reveal:nth-child(3) { transition-delay: calc(var(--stagger-tight) * 2); }
  .reveal-group .reveal:nth-child(4) { transition-delay: calc(var(--stagger-tight) * 3); }
  .reveal-group .reveal:nth-child(5) { transition-delay: calc(var(--stagger-tight) * 4); }
  .reveal-group .reveal:nth-child(6) { transition-delay: calc(var(--stagger-tight) * 5); }
}

/* ─── UTILITIES ───────────────────────────────────────────── */

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

.accent { color: var(--color-accent); }
.text-secondary-color { color: var(--color-text-secondary); }

/* Variante comparativa 2-col para Gaussian Splatting */
.comparison-2col {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

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

.comparison-2col__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.comparison-2col__card--active {
  border-color: var(--color-border-accent);
  box-shadow: var(--shadow-accent);
}

.comparison-2col__card dt {
  font-family: var(--font-mono);
  font-size: var(--text-mono);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
}

.comparison-2col__card dd {
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
  margin-left: 0;
}

.comparison-2col__card dd + dt {
  margin-top: var(--space-2);
}