:root {
  --ford: #00095B;
  --ford-bright: #1700F4;
  --ink: #f2f4fb;
  --muted: #aab3cc;
  --accent: #1f4e8c;
  --wa: #25D366;
  --qr-size: min(38vw, 54vh);
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #050817; color: var(--ink); font-family: "Ford Antenna", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; user-select: none; }
button { font: inherit; color: inherit; border: 0; background: none; cursor: pointer; }

.app { height: 100%; display: grid; grid-template-rows: auto 1fr auto auto; background:
  radial-gradient(120% 90% at 85% 40%, color-mix(in srgb, var(--accent) 55%, transparent) 0%, transparent 60%),
  linear-gradient(160deg, #0a1036 0%, #050817 70%); transition: background 0.8s; }

.top { display: flex; justify-content: space-between; align-items: center; padding: 2.2vh 3vw; }
.dealer { display: flex; align-items: center; gap: 1vw; font-size: clamp(16px, 1.6vw, 28px); font-weight: 600; letter-spacing: 0.02em; }
.logo-sm { height: clamp(28px, 4vh, 54px); border-radius: 8px; }
.lang { display: flex; background: rgb(255 255 255 / 0.08); border-radius: 999px; padding: 4px; }
.lang button { padding: 1.2vh 1.6vw; border-radius: 999px; font-weight: 700; font-size: clamp(14px, 1.3vw, 22px); color: var(--muted); }
.lang button.on { background: #fff; color: var(--ford); }

.stage { display: grid; grid-template-columns: 1.3fr 1fr; align-items: center; gap: 3vw; padding: 0 4vw; min-height: 0; }
.hero { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: center; gap: 3vh; min-height: 0; }
/* Video horizontal del vehículo: sin sonido, en loop; si no hay video se muestra la foto. */
.hero-media { position: relative; width: 100%; max-height: 62vh; aspect-ratio: 16 / 9; border-radius: 22px; overflow: hidden; background: #000; box-shadow: 0 30px 70px rgb(0 0 0 / 0.55), 0 0 0 1px rgb(255 255 255 / 0.08); }
.hero-media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 0.6s; }
.hero-media video.on { opacity: 1; }
.hero-img { position: absolute; inset: 0; background-size: cover; background-position: center; transition: opacity 0.5s; }
.hero-img.empty { background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 40%, transparent), transparent); }
.hero-text { position: relative; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.3em; color: var(--muted); margin: 0; font-size: clamp(12px, 1vw, 18px); }
h1 { font-size: clamp(36px, 5.4vw, 110px); margin: 0.1em 0 0.05em; line-height: 1; font-weight: 700; }
.tagline { font-size: clamp(16px, 1.7vw, 32px); margin: 0.3em 0; color: #dfe4f5; }
.price { font-size: clamp(16px, 1.5vw, 28px); color: var(--muted); margin: 0; }

.qr-panel { display: flex; flex-direction: column; align-items: center; text-align: center; }
.qr-wrap { position: relative; width: var(--qr-size); height: var(--qr-size); display: grid; place-items: center; }
.qr { width: 88%; height: 88%; border-radius: 50%; background: #fff; box-shadow: 0 0 0 10px rgb(255 255 255 / 0.06), 0 30px 80px rgb(0 0 0 / 0.55); transition: opacity 0.35s, filter 0.35s; position: relative; z-index: 2; }
.qr svg { width: 100%; height: 100%; display: block; }
.qr.swap { opacity: 0.2; }
.qr-wrap.offline .qr { filter: blur(14px); opacity: 0.3; }
.qr-offline { position: absolute; z-index: 3; font-weight: 700; display: none; }
.qr-wrap.offline .qr-offline { display: block; }

/* Ondas concéntricas que "emanan" del código */
.wave { position: absolute; inset: 6%; border-radius: 50%; border: 2px solid rgb(255 255 255 / 0.35); animation: ripple 3.6s cubic-bezier(0.2, 0.6, 0.3, 1) infinite; z-index: 1; }
.wave:nth-child(2) { animation-delay: 1.2s; }
.wave:nth-child(3) { animation-delay: 2.4s; }
@keyframes ripple { from { transform: scale(1); opacity: 0.9; } to { transform: scale(1.32); opacity: 0; } }

/* Anillo con la cuenta regresiva de 30 s */
.countdown { position: absolute; inset: 0; transform: rotate(-90deg); z-index: 1; }
.countdown circle { fill: none; stroke: var(--wa); stroke-width: 1.2; stroke-linecap: round; stroke-dasharray: 301.6; stroke-dashoffset: 0; }

.qr-title { font-size: clamp(18px, 1.8vw, 34px); font-weight: 700; margin: 3vh 0 0.4vh; }
.qr-sub { font-size: clamp(14px, 1.2vw, 22px); color: var(--muted); margin: 0 0 2.4vh; max-width: 34ch; }
.voice-btn { display: inline-flex; align-items: center; gap: 0.8em; background: #fff; color: var(--ford); font-weight: 700; font-size: clamp(16px, 1.5vw, 28px); padding: 2vh 2.4vw; border-radius: 999px; box-shadow: 0 10px 30px rgb(0 0 0 / 0.35); animation: breathe 3s ease-in-out infinite; }
.voice-btn:active { transform: scale(0.97); }
@keyframes breathe { 50% { box-shadow: 0 10px 50px rgb(23 0 244 / 0.55); } }

.picker { display: flex; justify-content: center; gap: 1.6vw; padding: 2vh 3vw 1vh; }
.picker button { min-width: 18vw; padding: 1.8vh 2vw; border-radius: 18px; background: rgb(255 255 255 / 0.06); border: 2px solid transparent; font-size: clamp(15px, 1.4vw, 26px); font-weight: 600; transition: all 0.25s; }
.picker button.on { background: rgb(255 255 255 / 0.14); border-color: #fff; }
.foot { text-align: center; color: var(--muted); font-size: clamp(11px, 0.9vw, 16px); padding: 1vh 0 2vh; }

/* Agente de voz */
.voice { position: fixed; inset: 0; z-index: 10; background: rgb(3 6 20 / 0.82); backdrop-filter: blur(18px); display: grid; place-items: center; }
.voice[hidden] { display: none; }
.voice-card { width: min(720px, 88vw); text-align: center; }
.orb { position: relative; width: min(34vh, 60vw); aspect-ratio: 1; margin: 0 auto 3vh; }
.orb span { position: absolute; inset: 0; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #6b7bff, var(--ford-bright) 45%, var(--ford) 80%); opacity: 0.85; animation: orb 4s ease-in-out infinite; }
.orb span:nth-child(2) { inset: 10%; opacity: 0.6; animation-delay: -1.3s; }
.orb span:nth-child(3) { inset: 22%; opacity: 0.9; animation-delay: -2.6s; background: radial-gradient(circle at 40% 40%, #fff, #9aa6ff 60%); }
.orb.speaking span { animation-duration: 0.9s; }
.orb.listening span:nth-child(3) { background: radial-gradient(circle at 40% 40%, #fff, #9df3c0 60%); }
@keyframes orb { 50% { transform: scale(1.08) rotate(8deg); border-radius: 46% 54% 52% 48%; } }
.voice-status { font-size: clamp(18px, 2vw, 32px); font-weight: 700; margin: 0 0 1vh; }
.transcript { max-height: 18vh; overflow: auto; text-align: left; font-size: clamp(14px, 1.3vw, 22px); color: #dfe4f5; margin: 0 auto 1vh; padding: 0 1em; }
.transcript p { margin: 0.4em 0; }
.transcript .user { color: var(--muted); }
.voice-note { color: var(--muted); font-size: clamp(12px, 1vw, 16px); }
.voice-actions { margin: 2vh 0; }
.end { background: #e5484d; color: #fff; padding: 1.8vh 3vw; border-radius: 999px; font-weight: 700; font-size: clamp(16px, 1.4vw, 26px); }
.voice-hint { color: var(--muted); margin-top: 2vh; }
.qr.mini { width: min(18vh, 30vw); height: min(18vh, 30vw); margin: 0 auto; }

/* Pantallas verticales (tótem 1080×1920) */
@media (orientation: portrait) {
  :root { --qr-size: min(62vw, 34vh); }
  .stage { grid-template-columns: 1fr; grid-template-rows: 1fr auto; gap: 2vh; }
  .hero-media { max-height: 32vh; }
  .picker button { min-width: 28vw; }
}
@media (prefers-reduced-motion: reduce) { .wave, .orb span, .voice-btn { animation: none; } }