/* ==========================================================
   project.css — hoja compartida para las páginas de caso de
   estudio ("proyecto-*.html"). Mismo fondo animado y paleta que
   el portafolio principal (styles.css), pero en formato blog:
   scroll vertical normal + un panel "liquid glass" donde va el
   contenido del caso.
   ========================================================== */

@property --star-scale {
  syntax: '<number>';
  inherits: true;
  initial-value: 1;
}

:root {
  --font-display: 'Fredoka', system-ui, sans-serif;
  --font-body: 'Space Grotesk', system-ui, sans-serif;
  --font-pixel: 'Press Start 2P', monospace;

  --ink: #F5EEF3;
  --cream: #FFFFFF;
  --accent: #FF6EC7;
  --accent-soft: #FFB6E0;
  --accent-deep: #C6318C;
  --paper: #121017;
  --paper-dim: #17131C;
  --night: #0A0810;

  --content-max: 880px;
}

* { box-sizing: border-box; }

html {
  background: var(--night);
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--ink);
  /* sin background propio: así el fondo animado (.sky, fijo detrás)
     se ve siempre, incluso a través del panel "glass" */
}

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

/* ==========================================================
   Fondo animado — mismas 3 capas de estrellas del sitio
   principal, pero el parallax ahora sigue el scroll vertical
   de la página (window), no un <main> horizontal.
   ========================================================== */
.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(160deg, var(--paper), var(--paper-dim) 55%, #170b18);
}

.sky::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 45% at 15% 15%, rgba(255,110,199,0.10), transparent),
    radial-gradient(50% 40% at 90% 80%, rgba(198,49,140,0.12), transparent);
  pointer-events: none;
}

.stars-layer {
  position: absolute;
  inset: -10% -10%;
  background-repeat: repeat;
  pointer-events: none;
  will-change: transform;
}

.stars--far {
  background-image:
    radial-gradient(1.18px 1.18px at 14.9% 83.4%, #ffffff, transparent),
    radial-gradient(1.04px 1.04px at 13.3% 75.1%, #ffffff, transparent),
    radial-gradient(0.81px 0.81px at 77.7% 11.0%, #ffffff, transparent),
    radial-gradient(0.8px 0.8px at 43.5% 75.2%, #ffffff, transparent),
    radial-gradient(1.1px 1.1px at 27.6% 79.0%, #ffffff, transparent),
    radial-gradient(0.81px 0.81px at 88.5% 4.9%, #ffe9f4, transparent),
    radial-gradient(1.14px 1.14px at 2.9% 86.6%, #ffffff, transparent),
    radial-gradient(1.18px 1.18px at 71.7% 52.7%, #ffffff, transparent),
    radial-gradient(1.14px 1.14px at 55.1% 35.2%, #ffffff, transparent),
    radial-gradient(1.01px 1.01px at 93.4% 90.9%, #ffe9f4, transparent),
    radial-gradient(1.11px 1.11px at 90.5% 11.6%, #ffe9f4, transparent),
    radial-gradient(0.97px 0.97px at 84.6% 13.6%, #ffe9f4, transparent),
    radial-gradient(1.28px 1.28px at 95.4% 50.1%, #ffe9f4, transparent),
    radial-gradient(0.95px 0.95px at 81.7% 66.3%, #ffe9f4, transparent);
  background-size: 480px 480px;
  opacity: 0.55;
  animation: twinkle 6s ease-in-out infinite;
}

.stars--mid {
  background-image:
    radial-gradient(1.23px 1.23px at 93.8% 93.0%, #ffffff, transparent),
    radial-gradient(1.69px 1.69px at 36.7% 18.2%, #ffd3ec, transparent),
    radial-gradient(1.22px 1.22px at 26.2% 22.4%, #ff9fd4, transparent),
    radial-gradient(1.44px 1.44px at 17.2% 43.3%, #ff9fd4, transparent),
    radial-gradient(1.42px 1.42px at 84.6% 50.9%, #ffd3ec, transparent),
    radial-gradient(1.72px 1.72px at 50.2% 88.5%, #ffd3ec, transparent),
    radial-gradient(1.43px 1.43px at 46.6% 32.6%, #ff9fd4, transparent),
    radial-gradient(1.34px 1.34px at 17.8% 19.0%, #ffffff, transparent),
    radial-gradient(1.51px 1.51px at 33.2% 15.1%, #ff9fd4, transparent),
    radial-gradient(1.74px 1.74px at 66.8% 19.5%, #ffd3ec, transparent),
    radial-gradient(1.66px 1.66px at 72.5% 89.0%, #ff9fd4, transparent),
    radial-gradient(1.78px 1.78px at 36.0% 96.2%, #ffffff, transparent),
    radial-gradient(1.64px 1.64px at 93.7% 40.4%, #ff9fd4, transparent),
    radial-gradient(1.75px 1.75px at 52.9% 49.0%, #ff9fd4, transparent);
  background-size: 620px 620px;
  opacity: 0.7;
  animation: twinkle 8s ease-in-out infinite 1.2s;
}

.stars--near {
  background-image:
    radial-gradient(1.97px 1.97px at 24.8% 54.2%, #ffb6e0, transparent),
    radial-gradient(2.21px 2.21px at 47.5% 57.8%, #ff6ec7, transparent),
    radial-gradient(2.6px 2.6px at 26.9% 24.5%, #ff6ec7, transparent),
    radial-gradient(2.0px 2.0px at 53.9% 54.8%, #ffffff, transparent),
    radial-gradient(2.53px 2.53px at 24.3% 16.6%, #ff6ec7, transparent),
    radial-gradient(1.66px 1.66px at 73.2% 66.5%, #ffb6e0, transparent),
    radial-gradient(2.42px 2.42px at 6.1% 76.9%, #ff6ec7, transparent),
    radial-gradient(2.48px 2.48px at 47.4% 71.0%, #ffb6e0, transparent),
    radial-gradient(2.33px 2.33px at 77.7% 43.0%, #ffb6e0, transparent),
    radial-gradient(2.48px 2.48px at 44.7% 91.8%, #ffffff, transparent);
  background-size: 760px 760px;
  opacity: 0.9;
  animation: twinkle 5s ease-in-out infinite 0.5s;
}

@keyframes twinkle {
  0%, 100% { opacity: var(--twinkle-base, 0.7); }
  50% { opacity: calc(var(--twinkle-base, 0.7) * 0.55); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ==========================================================
   Volver al portafolio
   ========================================================== */
.back-link {
  position: fixed;
  top: 1.75rem;
  left: 1.75rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink);
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.back-link:hover,
.back-link:focus-visible {
  opacity: 1;
  transform: translateX(-3px);
}

.back-link svg { width: 12px; height: 12px; }

/* ==========================================================
   Encabezado del caso
   ========================================================== */
.case-header {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 7rem 1.5rem 2.5rem;
  text-align: left;
}

.case-eyebrow {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-soft);
  opacity: 0.8;
  margin: 0 0 1rem;
}

.case-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.08;
  margin: 0 0 1rem;
}

.case-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.6rem;
  margin: 0;
  padding: 0;
}

.case-tags .skill-badge {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8rem;
  color: var(--accent-soft);
  background: transparent;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  padding: 0.1rem 0.85rem;
  line-height: 1.5;
}

/* ==========================================================
   Panel "liquid glass" — acá vive todo el contenido del caso
   ========================================================== */
.glass-panel {
  position: relative;
  max-width: var(--content-max);
  margin: 0 auto 6rem;
  padding: clamp(1.75rem, 4vw, 3.25rem);
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 28px;
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow:
    0 30px 70px rgba(0,0,0,0.4),
    inset 0 1px 0 rgba(255,255,255,0.12);
  overflow: hidden;
}

/* brillito sutil arriba, típico del "glass" */
.glass-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(255,255,255,0.10), transparent 40%);
  pointer-events: none;
}

/* ==========================================================
   Secciones del caso (01. Cómo surge / 02. Problema / 03. Propuesta)
   ========================================================== */
.case-section {
  position: relative;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(.2,.7,.3,1);
}

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

.case-section + .case-section {
  margin-top: 3.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}

.case-section-number {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.85;
  margin: 0 0 0.75rem;
}

.case-section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  margin: 0 0 1.1rem;
}

.case-section p {
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  line-height: 1.7;
  margin: 0 0 1.25rem;
  text-align: justify;
  text-justify: inter-word;
  hyphens: none;
}

.case-section p:last-child { margin-bottom: 0; }

/* mini-titulares dentro de una sección (ej. "MVP", "Wireframing",
   "Arquitectura de información") — mismo estilo rosado pixel que
   el numerito de sección, pero para marcar sub-bloques */
.case-subtitle {
  font-family: var(--font-pixel);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  opacity: 0.85;
  margin: 0 0 0.75rem;
}

/* ==========================================================
   GIFs — sin frames ni bordes, para que se vea dinámico. Los
   rectangulares/anchos ocupan todo el ancho con el texto arriba;
   los cuadrados van en fila junto al texto (se detecta solo el
   aspect ratio real del gif vía project-stars.js, que agrega
   la clase .gif-block--square cuando corresponde).
   ========================================================== */
.gif-block {
  margin: 2.25rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.gif-block figcaption {
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.3vw, 1rem);
  line-height: 1.6;
  color: var(--ink);
  opacity: 0.9;
  margin: 0;
}

/* marco tipo ventana de navegador/desktop, alrededor de cada gif */
.browser-frame {
  border-radius: 14px;
  overflow: hidden;
  background: #1c1a22;
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 20px 46px rgba(0,0,0,0.35);
}

.browser-frame-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.8rem;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.browser-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.browser-dot:nth-child(1) { background: #ff6159; }
.browser-dot:nth-child(2) { background: #ffbd2e; }
.browser-dot:nth-child(3) { background: #28c941; }

.browser-frame img {
  width: 100%;
  display: block;
}

/* versión chica, para wireframes u otras referencias que no
   necesitan ocupar todo el ancho del panel */
.browser-frame--small {
  max-width: 360px;
  margin: 0 auto;
}

.gif-block--square {
  flex-direction: row;
  align-items: center;
  gap: 1.75rem;
}

.gif-block--square .browser-frame {
  width: 42%;
  flex-shrink: 0;
}

.gif-block--square .browser-frame img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.gif-block--square figcaption {
  flex: 1;
}

/* diagramas (ej. arquitectura de información): un mat blanco
   simple, sin chrome de navegador, ya que no es una pantalla */
.diagram-frame {
  background: #ffffff;
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: 0 24px 50px rgba(0,0,0,0.3);
}

.diagram-frame img {
  width: 100%;
  display: block;
  border-radius: 4px;
}

/* ==========================================================
   Mockup de notebook — para mostrar una captura real de la
   plataforma (screen + base, sin necesitar una imagen de assets)
   ========================================================== */
.laptop-frame {
  max-width: 640px;
  margin: 2.25rem auto;
}

.laptop-screen {
  background: #111015;
  border-radius: 16px 16px 3px 3px;
  padding: 14px 14px 8px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.laptop-camera {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #3a3a42;
  margin: 0 auto 8px;
}

.laptop-screen img {
  width: 100%;
  display: block;
  border-radius: 4px;
}

.laptop-base {
  height: 14px;
  background: linear-gradient(180deg, #dcdce0, #b9b9c0);
  border-radius: 0 0 10px 10px;
  position: relative;
}

.laptop-base::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 64px;
  height: 5px;
  background: #a3a3ab;
  border-radius: 0 0 6px 6px;
}

/* ==========================================================
   Botón final — link al proyecto en vivo
   ========================================================== */
.case-cta {
  max-width: var(--content-max);
  margin: 0 auto 7rem;
  padding: 0 1.5rem;
  display: flex;
  justify-content: center;
}

.case-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  color: var(--night);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.15rem);
  text-decoration: none;
  padding: 1.05rem 2.6rem;
  border-radius: 999px;
  box-shadow: 0 0 0 rgba(255,110,199,0);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.case-cta-button:hover,
.case-cta-button:focus-visible {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 20px 44px rgba(255,110,199,0.45);
  outline: none;
}

@media (max-width: 640px) {
  .back-link { top: 1.1rem; left: 1.1rem; }
  .case-header { padding: 5.5rem 1.25rem 2rem; }
  .glass-panel { border-radius: 20px; margin-left: 0.75rem; margin-right: 0.75rem; }
  .gif-block--square { flex-direction: column; }
  .gif-block--square .browser-frame { width: 100%; }
}