/* ============================================================
   Motos Guzmán — propuesta conceptual (Ingresify)
   ============================================================ */

:root {
  --bg-dark: #0b0d0e;
  --bg-dark-2: #101416;
  --bg-paper: #f4f2ed;
  --bg-mid: #1b1f22;

  --ink-dark: #0b0d0e;
  --ink-light: #f4f2ed;
  --ink-muted-dark: rgba(11, 13, 14, 0.62);
  --ink-muted-light: rgba(244, 242, 237, 0.68);

  --accent-cyan: #34e9d8;
  --accent-cyan-ink: #0a7d70;   /* versión con contraste AA sobre fondo claro */
  --state-averia: #ef5b4c;
  --state-diagnostico: #f2ab3f;
  --state-apunto: #34e9d8;

  --line-dark: rgba(244, 242, 237, 0.16);
  --line-light: rgba(11, 13, 14, 0.14);

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --motion-fast: 0.22s;
  --motion-base: 0.45s;
  --motion-slow: 0.9s;
  --ease-standard: cubic-bezier(0.22, 0.68, 0.24, 1);

  --side-pad: 20px;
  --max-content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--bg-dark);
  color: var(--ink-light);
  font-family: var(--font-display);
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0; padding: 0; margin: -1px;
}

.skip-link {
  position: absolute;
  left: 12px; top: -60px;
  background: var(--accent-cyan);
  color: var(--ink-dark);
  padding: 10px 16px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  z-index: 200;
  transition: top var(--motion-fast) var(--ease-standard);
}
.skip-link:focus { top: 12px; }

a { color: inherit; }
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
}

/* ---------------- Header ---------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--side-pad);
  background: rgba(11, 13, 14, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(244, 242, 237, 0.08);
  pointer-events: none;
}
.site-header > * { pointer-events: auto; }

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--ink-light);
  font-family: var(--font-mono);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px; height: 30px;
  border: 1px solid var(--accent-cyan);
  border-radius: 50%;
  color: var(--accent-cyan);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}
.brand-name {
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
}

.quick-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.quick-cta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-decoration: none;
  padding: 9px 14px;
  border-radius: 3px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: background var(--motion-fast) var(--ease-standard), color var(--motion-fast) var(--ease-standard);
}
.quick-cta--primary {
  background: var(--accent-cyan);
  color: var(--ink-dark);
}
.quick-cta--primary:hover { background: #57efe0; }
.quick-cta--ghost {
  border-color: var(--line-dark);
  color: var(--ink-light);
  display: none;
}
@media (min-width: 640px) {
  .quick-cta--ghost { display: inline-block; }
}

/* ---------------- Scenes (shared) ---------------- */
.scene {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh; /* evita saltos de layout con barras dinámicas del navegador móvil */
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--side-pad) 80px;
}
.scene-inner {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
}
.scene-inner--narrow { max-width: 720px; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin: 0 0 18px;
}
.eyebrow--dark { color: var(--accent-cyan-ink); }

/* ---------------- Scene 01 — Entry ---------------- */
.scene-entry {
  background: radial-gradient(120% 100% at 20% 0%, var(--bg-dark-2), var(--bg-dark) 60%);
}
.entry-title {
  margin: 0 0 22px;
  font-size: clamp(2.6rem, 9vw, 6rem);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.split-line { display: block; }
.split-line--accent { color: var(--accent-cyan); }

.entry-lead {
  max-width: 46ch;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--ink-muted-light);
  margin: 0 0 34px;
}

.entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 56px;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform var(--motion-fast) var(--ease-standard), background var(--motion-fast) var(--ease-standard), border-color var(--motion-fast) var(--ease-standard);
}
.cta--primary {
  background: var(--accent-cyan);
  color: var(--ink-dark);
}
.cta--primary:hover { transform: translateY(-1px); background: #57efe0; }
.cta--secondary {
  border-color: var(--line-dark);
  color: var(--ink-light);
}
.scene-authority .cta--secondary { border-color: var(--line-light); color: var(--ink-dark); }
.cta--secondary:hover { border-color: var(--accent-cyan); }

.entry-dial { width: 74px; height: 74px; }

.scroll-hint {
  position: absolute;
  bottom: 28px;
  left: var(--side-pad);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted-light);
  letter-spacing: 0.04em;
}

/* ---------------- Dial (shared SVG component) ---------------- */
.dial-svg { width: 100%; height: 100%; overflow: visible; }
.dial-track {
  fill: none;
  stroke: var(--line-dark);
  stroke-width: 6;
}
.dial-progress {
  fill: none;
  stroke: var(--state-apunto);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: 90;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
  transition: stroke var(--motion-base) var(--ease-standard);
}
.dial-svg--main .dial-progress { stroke-width: 5; }

/* ---------------- Scene 02 — Diagnosis ---------------- */
.scene-diagnosis {
  background: var(--bg-dark);
  padding-top: 100px;
  padding-bottom: 60px;
}
.diagnosis-pin {
  max-width: var(--max-content);
  margin: 0 auto;
  width: 100%;
  display: grid;
  gap: 48px;
}
.diagnosis-visual {
  position: relative;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.engine-3d {
  position: relative;
  width: 220px;
  height: 220px;
  perspective: 900px;
}
.engine-layer {
  position: absolute;
  inset: 0;
  margin: auto;
  border: 1.5px solid var(--line-dark);
  background: rgba(52, 233, 216, 0.03);
  transform-style: preserve-3d;
  transition: transform var(--motion-slow) var(--ease-standard), border-color var(--motion-base) var(--ease-standard);
}
.engine-layer--block {
  width: 200px; height: 140px;
  border-radius: 10px;
  transform: translateZ(0px);
}
.engine-layer--gasket {
  width: 160px; height: 14px;
  top: 40%;
  border-radius: 3px;
  transform: translateZ(30px);
}
.engine-layer--piston {
  width: 70px; height: 70px;
  border-radius: 50%;
  transform: translateZ(60px);
}
.diagnosis-visual[data-stage="averia"] .engine-layer { border-color: var(--state-averia); }
.diagnosis-visual[data-stage="diagnostico"] .engine-layer { border-color: var(--state-diagnostico); }
.diagnosis-visual[data-stage="apunto"] .engine-layer { border-color: var(--state-apunto); }

.diagnosis-visual .dial-svg--main {
  position: absolute;
  width: 90px; height: 90px;
  right: 0; bottom: 0;
}

.diagnosis-stages {
  display: grid;
  gap: 18px;
}
.stage {
  border-top: 1px solid var(--line-dark);
  padding: 22px 0 4px;
  position: relative;
}
.stage-dot {
  position: absolute;
  top: 26px; left: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--line-dark);
}
.stage[data-stage="averia"] .stage-dot { background: var(--state-averia); }
.stage[data-stage="diagnostico"] .stage-dot { background: var(--state-diagnostico); }
.stage[data-stage="apunto"] .stage-dot { background: var(--state-apunto); }
.stage-kicker {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  margin: 0 0 8px 20px;
  opacity: 0.55;
  transition: opacity var(--motion-base) var(--ease-standard);
}
.stage-text {
  margin: 0 0 0 20px;
  max-width: 52ch;
  color: var(--ink-muted-light);
  font-size: 1.02rem;
  opacity: 0.7;
  transition: opacity var(--motion-base) var(--ease-standard);
}
.stage.is-active .stage-kicker,
.stage.is-active .stage-text { opacity: 1; }
@media (max-width: 1023px) {
  .stage-kicker, .stage-text { opacity: 1; }
}

/* ---------------- Scene 03 — Authority ---------------- */
.scene-authority { background: var(--bg-paper); color: var(--ink-dark); }
.authority-title {
  font-size: clamp(1.7rem, 4.6vw, 2.6rem);
  line-height: 1.15;
  margin: 0 0 22px;
  font-weight: 600;
}
.authority-text {
  font-size: 1.08rem;
  max-width: 62ch;
  margin: 0 0 20px;
  color: rgba(11,13,14,0.82);
}
.authority-source {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted-dark);
  max-width: 60ch;
  border-left: 2px solid var(--accent-cyan-ink);
  padding-left: 14px;
}

/* ---------------- Scene 04 — Trust ---------------- */
.scene-trust { background: var(--bg-paper); color: var(--ink-dark); min-height: 60vh; }
.rating-figure {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 14px;
}
.rating-number {
  font-size: clamp(3.6rem, 12vw, 6.4rem);
  font-weight: 700;
  line-height: 1;
}
.rating-scale {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--ink-muted-dark);
}
.rating-detail {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--ink-muted-dark);
}

/* ---------------- Scene 05 — Contact ---------------- */
.scene-contact {
  background: var(--bg-mid);
  color: var(--ink-light);
}
.contact-title {
  font-size: clamp(1.7rem, 4.4vw, 2.4rem);
  max-width: 20ch;
  margin: 0 0 40px;
  font-weight: 600;
}
.contact-grid {
  display: grid;
  gap: 40px;
  margin-bottom: 30px;
}
@media (min-width: 860px) {
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}
.contact-facts { margin: 0; display: grid; gap: 22px; }
.fact dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: 6px;
}
.fact dd {
  margin: 0;
  font-size: 1.05rem;
}
.fact dd a { text-decoration: underline; text-underline-offset: 3px; }
.fact-note { color: var(--ink-muted-light); font-size: 0.92rem; }

.contact-actions { display: grid; gap: 14px; align-content: start; }
.cta--dial { border-color: var(--accent-cyan); }
.verify-link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-muted-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-note {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted-light);
  max-width: 68ch;
  border-top: 1px solid var(--line-dark);
  padding-top: 18px;
}

/* ---------------- Persistent dial badge (fixed) ---------------- */
.dial-badge {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 46px; height: 46px;
  z-index: 90;
  opacity: 0;
  transform: scale(0.6);
  pointer-events: none;
  transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}
.dial-badge.is-visible { opacity: 1; transform: scale(1); }
@media (max-width: 639px) {
  .dial-badge { display: none; } /* nunca compite con el CTA fijo del header en mobile */
}

/* ---------------- Footer ---------------- */
.site-footer {
  background: var(--bg-dark);
  color: var(--ink-muted-light);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 26px var(--side-pad) 34px;
  border-top: 1px solid var(--line-dark);
}
.site-footer p { max-width: 70ch; margin: 0 auto; }

/* ---------------- Mobile (<1024px): sin pin/scrub/3D en Diagnosis ---------------- */
@media (max-width: 1023px) {
  .diagnosis-visual { display: none; }
  .diagnosis-pin { gap: 0; }
  .diagnosis-stages { gap: 28px; }
  .stage { padding-top: 26px; }
  .stage-dot { width: 12px; height: 12px; top: 26px; }
}

@media (min-width: 1024px) {
  .scene-diagnosis {
    min-height: 320vh;
    padding-top: 0;
    padding-bottom: 0;
    justify-content: flex-start;
  }
  .diagnosis-pin {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 100vh;
    padding: 100px var(--side-pad);
    max-width: var(--max-content);
    margin: 0 auto;
    position: sticky;
    top: 0;
  }
}

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------------- Entry animation (CSS only, safe without JS) ---------------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.split-line { animation: fadeUp 0.7s var(--ease-standard) both; }
.split-line--accent { animation-delay: 0.1s; }
.entry-lead { animation: fadeUp 0.7s var(--ease-standard) 0.2s both; }
.entry-actions { animation: fadeUp 0.7s var(--ease-standard) 0.3s both; }

/* ---------------- Scroll reveal (progressive enhancement) ----------------
   Sin JS, o con prefers-reduced-motion, .reveal permanece siempre visible
   (no hay ninguna regla que la oculte por defecto). Solo si JS confirma que
   el motion está permitido se añade html.js-motion, que activa el estado
   oculto inicial controlado por IntersectionObserver. */
.reveal { transition: opacity 0.6s var(--ease-standard), transform 0.6s var(--ease-standard); }
html.js-motion .reveal { opacity: 0; transform: translateY(20px); }
html.js-motion .reveal.is-revealed { opacity: 1; transform: translateY(0); }

/* ---------------- Small screens fine-tuning ---------------- */
@media (max-width: 420px) {
  .scene { padding-left: 16px; padding-right: 16px; }
  .site-header { padding-left: 16px; padding-right: 16px; }
}