/* ==========================================================================
   ViewMetricaMX — Nissan V-Drive 2026 · Demo 360°
   Design tokens
   ========================================================================== */
:root{
  --bg: #0a0b0c;
  --bg-elevated: #121416;
  --ink: #f2efe8;
  --ink-dim: #9ba09b;
  --ink-faint: #5c615d;
  --accent: #c9a24f;
  --accent-dim: #8a6c2f;
  --line: rgba(242,239,232,0.09);
  --line-strong: rgba(242,239,232,0.18);

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max-w: 1180px;
  --radius: 2px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}
body{
  margin:0;
  background: linear-gradient(180deg, #0a0a0a 0%, #120d0a 22%, #2a1a10 55%, #3d2416 78%, #4a2c19 100%);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

/* Ondas radiales ViewMetricaMX */
body {
    position: relative;
    overflow-x: hidden;
}

body::before,
body::after {
    content: "";
    position: fixed;
    left: 50%;
    top: 45%;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(74, 255, 150, 0.20);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
    animation: radialWave 8s ease-out infinite;
}

body::after {
    animation-delay: 4s;
}

@keyframes radialWave {
    0% {
        width: 20px;
        height: 20px;
        opacity: 0;
    }

    10% {
        opacity: 0.35;
    }

    70% {
        opacity: 0.12;
    }

    100% {
        width: 900px;
        height: 900px;
        opacity: 0;
    }
}

h1,h2,h3{
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

a{ color: inherit; }
button{ font-family: var(--font-body); }

:focus-visible{
  outline: 1.5px solid var(--accent);
  outline-offset: 3px;
}

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 0 0 14px;
  text-transform: uppercase;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 32px 20px 24px;
}

.viewmetrica-logo {
    display: block;
    width: 180px;
    height: auto;
}

@media (max-width: 768px) {
    .site-header {
        padding: 24px 20px 20px;
    }

    .viewmetrica-logo {
        width: 145px;
    }
}

.header-inner{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-mark{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
}
.brand-icon{ color: var(--accent); flex-shrink:0; }
.brand-suffix{ color: var(--accent); }
.header-tag{
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}
@media (max-width: 560px){
  .header-tag{ display:none; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position: relative;
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}
.hero-scan{
  position: absolute;
  left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.55;
  top: 30%;
  animation: scan-sweep 9s ease-in-out infinite;
  pointer-events: none;
}
@keyframes scan-sweep{
  0%   { top: 12%; opacity: 0; }
  8%   { opacity: 0.55; }
  50%  { top: 88%; opacity: 0.55; }
  58%  { opacity: 0; }
  100% { top: 88%; opacity: 0; }
}
.hero-inner{ max-width: 720px; position: relative; z-index: 1; }
.hero-title{
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  margin-bottom: 20px;
}
.hero-sub{
  color: var(--ink-dim);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  max-width: 520px;
  margin: 0 auto 40px;
}
.hero-coords{
  position: absolute;
  bottom: 28px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
@media (max-width: 560px){ .hero-coords{ display:none; } }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-decoration: none;
  padding: 15px 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.2s ease, color 0.25s ease;
}
.btn-primary{
  border-color: var(--accent-dim);
  color: var(--accent);
}
.btn-primary:hover{
  background: var(--accent);
  color: #06110e;
  border-color: var(--accent);
  transform: translateY(-1px);
}
.btn svg{ flex-shrink: 0; }

/* ==========================================================================
   Section shell
   ========================================================================== */
main > section{
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 96px 24px;
}
.section-head{
  max-width: 620px;
  margin-bottom: 44px;
}
.section-head h2{
  font-size: clamp(1.5rem, 3vw, 2.1rem);
}

/* ==========================================================================
   Viewer
   ========================================================================== */
.viewer-shell{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
}
.viewer-stage{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  background: #08090a;
  overflow: hidden;
  touch-action: none;
  cursor: grab;
}
.viewer-stage.is-dragging{ cursor: grabbing; }
.viewer-stage:fullscreen{ aspect-ratio: unset; }
#pano-canvas{
  display: block;
  width: 100%;
  height: 100%;
}

.viewer-fallback{
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: #08090a;
  text-align: center;
  padding: 24px;
}

.viewer-fallback[hidden]{
  display: none !important;
}
.viewer-fallback img{ max-width: 100%; max-height: 70%; border-radius: var(--radius); }
.viewer-fallback p{ color: var(--ink-dim); font-size: 0.85rem; margin:0; }

.viewer-loading{
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px;
  background: rgba(8,9,10,0.86);
  transition: opacity 0.35s ease;
  z-index: 5;
}
.viewer-loading[hidden]{ display:none; }
.loading-ring{
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.loading-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
}

.drag-hint{
  position: absolute;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(8,9,10,0.6);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  backdrop-filter: blur(6px);
  transition: opacity 0.6s ease;
  z-index: 4;
  pointer-events: none;
}
.drag-hint.is-hidden{ opacity: 0; }

.pos-tag{
  position: absolute;
  top: 18px;
  left: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent);
  background: rgba(8,9,10,0.55);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 20px;
  z-index: 4;
  backdrop-filter: blur(6px);
}
.point-dots{
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding-left: 8px;
  border-left: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  color: var(--ink-dim);
}
.point-dots .point-count{
  color: var(--accent);
  font-weight: 500;
}

/* Flechas grandes para cambiar de vista dentro de un área (ej. Cava 01/02) */
.point-nav-btn{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8,9,10,0.55);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
  backdrop-filter: blur(6px);
  z-index: 6;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.point-nav-btn:hover{
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(8,9,10,0.75);
}
.point-nav-btn:active{ transform: translateY(-50%) scale(0.92); }
.point-nav-prev{ left: 18px; }
.point-nav-next{ right: 18px; }
.point-nav-btn[hidden]{ display: none; }

@media (max-width: 640px){
  .point-nav-btn{ width: 38px; height: 38px; }
  .point-nav-prev{ left: 10px; }
  .point-nav-next{ right: 10px; }
}

.viewer-controls{
  position: absolute;
  top: 18px;
  right: 18px;
  display: flex;
  gap: 8px;
  z-index: 6;
}
.ctrl-btn{
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(8,9,10,0.55);
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.ctrl-btn:hover{ border-color: var(--accent); color: var(--accent); }

.pos-nav{
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
}
.pos-btn{
  flex: 1 1 20%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 10px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--line);
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.pos-btn:last-child{ border-right: none; }
.pos-btn-index{ color: var(--ink-faint); }
.pos-btn:hover{ color: var(--ink); background: rgba(255,255,255,0.02); }
.pos-btn.is-active{ color: var(--accent); background: rgba(201,162,79,0.08); }
.pos-btn.is-active .pos-btn-index{ color: var(--accent); }

@media (max-width: 760px){
  .pos-btn{ flex: 1 1 33.33%; border-bottom: 1px solid var(--line); }
}
@media (max-width: 640px){
  .pos-btn-index{ display:none; }
  .pos-btn{ padding: 14px 6px; font-size: 0.6rem; flex: 1 1 50%; }
}

/* ==========================================================================
   Experience
   ========================================================================== */
.experience-copy{
  max-width: 640px;
  color: var(--ink-dim);
  font-size: 1rem;
  margin-bottom: 56px;
}
.benefit-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.benefit{
  background: var(--bg);
  padding: 32px 24px;
}
.benefit-mark{
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-bottom: 18px;
}
.benefit h3{
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
}
@media (max-width: 720px){
  .benefit-grid{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   Commercial application
   ========================================================================== */
.app-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 40px;
  margin-bottom: 40px;
}
.app-item{
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.app-index{
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.78rem;
}
.app-item h3{
  font-size: 1.05rem;
  font-weight: 500;
}
.commercial-note{
  color: var(--ink-dim);
  max-width: 620px;
  font-size: 0.95rem;
}
@media (max-width: 640px){
  .app-grid{ grid-template-columns: 1fr; }
}

/* ==========================================================================
   CTA
   ========================================================================== */
.cta{
  position: relative;
  text-align: center;
  padding-top: 110px !important;
  padding-bottom: 110px !important;
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.cta-scan{
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}
.cta-inner{ max-width: 560px; margin: 0 auto; }
.cta .eyebrow{ justify-content: center; display:block; }
.cta h2{ font-size: clamp(1.6rem, 3.4vw, 2.3rem); margin-bottom: 16px; }
.cta-copy{ color: var(--ink-dim); margin-bottom: 36px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  border-top: 1px solid var(--line);
  padding: 40px 24px 48px;
  text-align: center;
}
.footer-brand{
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin: 0 0 6px;
  font-size: 0.9rem;
}
.footer-line{
  color: var(--ink-dim);
  font-size: 0.8rem;
  margin: 0 0 10px;
}
.footer-tag{
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin: 0;
}

/* ==========================================================================
   Reveal-on-scroll (subtle)
   ========================================================================== */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}