/* ============================================================
   LA WEBADA — PORTAFOLIO CSS
   Design system extendido al máximo.
   ============================================================ */

/* ── Tokens locales ─────────────────────────────────────── */
:root {
  --amarillo: #FFD600;
  --negro: #0A0A0A;
  --negro-2: #111111;
  --negro-3: #191919;
  --negro-4: #222222;
  --blanco: #FFFFFF;
  --gris: #888888;
  --gris-claro: #AAAAAA;
  --borde: #2A2A2A;
  --font-display: 'Anton', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ── Nav active ─────────────────────────────────────────── */
.nav-active {
  color: var(--amarillo) !important;
}

/* ════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════ */
.pf-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: clip; /* clip en lugar de hidden: no crea scroll context, el grid perspectiva no desborda */
  background: var(--negro);
}

/* Grid de perspectiva */
.pf-hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,214,0,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,214,0,.035) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(700px) rotateX(40deg) scale(2.2);
  transform-origin: center 75%;
  mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,.6) 40%, transparent 100%);
  -webkit-mask-image: linear-gradient(to top, transparent 0%, rgba(0,0,0,.6) 40%, transparent 100%);
  pointer-events: none;
}

/* Ruido de textura */
.pf-hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  mix-blend-mode: overlay;
  pointer-events: none;
}

.pf-hero-inner {
  position: relative;
  z-index: 2;
  padding: 8rem 0 5rem;
}

/* Contador */
.pf-hero-counter {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  opacity: 0;
  animation: pfFadeUp 0.6s var(--ease-out-expo) 0.1s forwards;
}
.pf-counter-dot {
  width: 8px; height: 8px;
  background: var(--amarillo);
  border-radius: 50%;
  animation: pfPulse 2s ease-in-out infinite;
}
@keyframes pfPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,214,0,.5); }
  50%       { box-shadow: 0 0 0 8px rgba(255,214,0,0); }
}
.pf-counter-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--gris);
  text-transform: uppercase;
}
.pf-counter-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--amarillo);
  letter-spacing: 0.1em;
  min-width: 2ch;
}

/* Título hero */
.pf-hero-title-wrap { overflow: hidden; }

.pf-hero-line {
  overflow: hidden;
  opacity: 0;
  animation: pfLineIn 0.9s var(--ease-out-expo) forwards;
}
.pf-line-1 { animation-delay: 0.2s; }
.pf-line-2 { animation-delay: 0.35s; }
.pf-line-3 { animation-delay: 0.5s; }

@keyframes pfLineIn {
  from { opacity: 0; transform: translateY(100%) skewY(3deg); }
  to   { opacity: 1; transform: translateY(0) skewY(0); }
}

.pf-h1 {
  font-family: var(--font-display);
  font-size: clamp(5rem, 14vw, 14rem);
  line-height: 0.88;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--blanco);
  display: block;
}

/* Glitch en "REAL." */
.pf-h1--glitch {
  color: var(--amarillo);
  position: relative;
}
.pf-h1--glitch::before,
.pf-h1--glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  font-family: var(--font-display);
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
}
.pf-h1--glitch::before {
  color: #ff003c;
  animation: pfGlitch1 4s ease-in-out infinite;
  clip-path: polygon(0 15%, 100% 15%, 100% 45%, 0 45%);
}
.pf-h1--glitch::after {
  color: #00f5ff;
  animation: pfGlitch2 4s ease-in-out infinite;
  clip-path: polygon(0 55%, 100% 55%, 100% 85%, 0 85%);
}
@keyframes pfGlitch1 {
  0%, 85%, 100% { transform: translate(0); opacity: 0; }
  87% { transform: translate(-4px, 2px); opacity: 1; }
  89% { transform: translate(4px, -2px); opacity: 1; }
  91% { transform: translate(0); opacity: 0; }
}
@keyframes pfGlitch2 {
  0%, 85%, 100% { transform: translate(0); opacity: 0; }
  87% { transform: translate(4px, -2px); opacity: 1; }
  89% { transform: translate(-3px, 1px); opacity: 1; }
  91% { transform: translate(0); opacity: 0; }
}

.pf-h1-sub {
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 1.2vw, 1rem);
  letter-spacing: 0.18em;
  color: var(--gris);
  text-transform: uppercase;
  margin-top: 1.5rem;
  padding-left: 0.2rem;
}

/* Stats */
.pf-hero-stats {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--borde);
  opacity: 0;
  animation: pfFadeUp 0.7s var(--ease-out-expo) 0.7s forwards;
}
@keyframes pfFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.pf-hero-stat { display: flex; flex-direction: column; gap: 0.25rem; }
.pf-hero-stat-sep {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--borde);
  line-height: 1;
}
.pf-stat-big {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--amarillo);
  line-height: 1;
}
.pf-stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--gris);
  text-transform: uppercase;
  line-height: 1.4;
}

/* Scroll indicator — sticky al fondo del hero flex */
.pf-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 2rem;
  margin-top: auto;
  opacity: 0;
  animation: pfFadeUp 0.6s var(--ease-out-expo) 1.1s forwards;
  /* Se oculta cuando el usuario ya scrolleó */
  transition: opacity 0.4s;
}
.pf-scroll-indicator.pf-hidden { opacity: 0 !important; }

.pf-scroll-chevron {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  animation: pfBounce 1.6s ease-in-out infinite;
}
.pf-scroll-chevron svg {
  display: block;
  color: var(--amarillo);
  opacity: 0.9;
}
.pf-scroll-chevron svg:last-child { opacity: 0.4; }

@keyframes pfBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

.pf-scroll-text {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--gris);
  text-transform: uppercase;
}

/* Cintas portafolio: planas para no solapar con secciones adyacentes */
.pf-tape-top,
.pf-tape-bottom {
  transform: none;
  margin: 0;
}

/* ════════════════════════════════════════════════════════
   FILTROS
════════════════════════════════════════════════════════ */
.pf-filtros-section {
  background: var(--negro);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--borde);
  position: sticky;
  top: 58px;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10,10,10,0.92);
}
.pf-filtros {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.pf-filtro {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--gris);
  background: transparent;
  border: 1px solid var(--borde);
  padding: 0.45rem 1rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
  text-transform: uppercase;
}
.pf-filtro:hover {
  color: var(--amarillo);
  border-color: rgba(255,214,0,.4);
}
.pf-filtro.active {
  background: var(--amarillo);
  color: var(--negro);
  border-color: var(--amarillo);
  font-weight: 700;
}

/* ════════════════════════════════════════════════════════
   GRID
════════════════════════════════════════════════════════ */
.pf-grid-section {
  background: var(--negro);
  padding: 4rem 0 6rem;
  min-height: 60vh;
}

.pf-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Layout asimétrico — JS asigna clases .pf-card--lg / --md / --sm / --tall / --wide */
.pf-card        { grid-column: span 4; }
.pf-card--lg    { grid-column: span 8; }
.pf-card--wide  { grid-column: span 6; }
.pf-card--sm    { grid-column: span 3; }
.pf-card--tall  { grid-row: span 2; }

/* ── Card base ──────────────────────────────────────── */
.pf-card {
  position: relative;
  cursor: pointer;
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 0.65s var(--ease-out-expo),
              transform 0.65s var(--ease-out-expo);
}
.pf-card--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Contenedor 3D */
.pf-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 320px;
  transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}
.pf-card--lg .pf-card-inner  { min-height: 480px; }
.pf-card--tall .pf-card-inner { min-height: 640px; }
.pf-card--sm .pf-card-inner   { min-height: 240px; }

/* Flip al hover — solo en desktop */
@media (hover: hover) {
  .pf-card:hover .pf-card-inner {
    transform: rotateY(180deg);
  }
}

/* Cara frontal */
.pf-card-front,
.pf-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* ── Cara FRONTAL ───────────────────────────────────── */
.pf-card-front {
  background: var(--negro-3);
  border: 1px solid var(--borde);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.pf-img-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--negro-4);
  min-height: 200px;
}

.pf-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out-expo);
  filter: grayscale(20%) contrast(1.05);
}
.pf-card:hover .pf-img { transform: scale(1.06); }

/* Placeholder sin imagen */
.pf-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--negro-4);
  position: absolute;
  inset: 0;
}
.pf-img-placeholder-text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  color: rgba(255,214,0,.12);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  padding: 1rem;
}

/* Scanline overlay */
.pf-img-scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0,0,0,.12) 3px,
    rgba(0,0,0,.12) 4px
  );
  pointer-events: none;
  z-index: 1;
}
.pf-img-scan::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 35%;
  background: linear-gradient(to bottom,
    transparent,
    rgba(255,214,0,.05),
    transparent
  );
  animation: pfScan 5s linear infinite;
  z-index: 2;
}
@keyframes pfScan {
  0%   { top: -35%; }
  100% { top: 100%; }
}

/* Grain overlay */
.pf-img-grain {
  position: absolute;
  inset: 0;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 150px 150px;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 3;
}

/* Borde amarillo al hover */
.pf-card-front::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid var(--amarillo);
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
  z-index: 10;
}
.pf-card:hover .pf-card-front::after { opacity: 1; }

/* Meta inferior */
.pf-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--borde);
  background: var(--negro-2);
  position: relative;
  z-index: 5;
}
.pf-num {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--amarillo);
  letter-spacing: 0.1em;
  min-width: 2ch;
  flex-shrink: 0;
}
.pf-info { flex: 1; min-width: 0; }
.pf-nombre {
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--blanco);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pf-tipo {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  color: var(--gris);
  text-transform: uppercase;
}
.pf-price-badge {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--negro);
  background: var(--amarillo);
  padding: 0.2rem 0.45rem;
  flex-shrink: 0;
}

/* ── Cara TRASERA ───────────────────────────────────── */
.pf-card-back {
  transform: rotateY(180deg);
  background: var(--amarillo);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem;
  border: 1px solid var(--amarillo);
  overflow: hidden;
}

/* Ruido en la cara trasera */
.pf-card-back::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
  background-size: 150px 150px;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.pf-back-content { position: relative; z-index: 1; }

.pf-back-nombre {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  letter-spacing: 0.02em;
  color: var(--negro);
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 0.75rem;
}

.pf-back-desc {
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: rgba(0,0,0,.7);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.pf-back-stats {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(0,0,0,.15);
}
.pf-back-stat { display: flex; flex-direction: column; gap: 0.15rem; }
.pf-back-stat-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--negro);
  line-height: 1;
}
.pf-back-stat-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: rgba(0,0,0,.55);
  text-transform: uppercase;
}

.pf-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--negro);
  background: var(--negro);
  color: var(--amarillo);
  padding: 0.65rem 1.25rem;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 0.15s;
  border: none;
  cursor: pointer;
}
.pf-back-link:hover { background: #111; }
.pf-back-link--disabled {
  background: rgba(0,0,0,.15);
  color: rgba(0,0,0,.4);
  cursor: default;
  pointer-events: none;
}

/* ── Estado vacío ───────────────────────────────────── */
.pf-vacio {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem;
}
.pf-vacio.visible { display: flex; }
.pf-vacio-inner {
  border: 1px solid var(--borde);
  padding: 3rem;
  max-width: 480px;
  width: 100%;
  background: var(--negro-2);
}
.pf-vacio-terminal {
  display: flex;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}
.pf-vacio-prompt { color: var(--amarillo); }
.pf-vacio-cmd    { color: var(--blanco); }
.pf-vacio-resultado {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gris);
  margin-bottom: 1.5rem;
}
.pf-vacio-texto {
  font-size: 0.9rem;
  color: var(--gris-claro);
  line-height: 1.7;
  margin-bottom: 1rem;
}
.pf-vacio-cursor {
  display: inline-block;
  width: 8px; height: 16px;
  background: var(--amarillo);
  animation: pfBlink 1s step-end infinite;
  vertical-align: middle;
}
@keyframes pfBlink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ════════════════════════════════════════════════════════
   CTA FINAL
════════════════════════════════════════════════════════ */
.pf-cta {
  position: relative;
  background: var(--negro);
  padding: 8rem 0;
  overflow: hidden;
  border-top: 1px solid var(--borde);
}

/* Fondo con gradiente diagonal */
.pf-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 50%, rgba(255,214,0,.06) 0%, transparent 70%);
  pointer-events: none;
}

.pf-cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  flex-wrap: wrap;
}

.pf-cta-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--gris);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.pf-cta-h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 6rem);
  line-height: 0.9;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--blanco);
  margin-bottom: 1.5rem;
}
.pf-cta-h2 em {
  font-style: normal;
  color: var(--amarillo);
}

.pf-cta-sub {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gris);
}
.pf-cta-precio {
  color: var(--amarillo);
  font-size: 1rem;
}

.pf-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--negro);
  background: var(--amarillo);
  padding: 1.25rem 2.5rem;
  text-decoration: none;
  transition: transform 0.2s var(--ease-out-back), box-shadow 0.2s;
  white-space: nowrap;
  flex-shrink: 0;
}
.pf-cta-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 40px rgba(255,214,0,.25);
}
.pf-cta-btn:active { transform: translateY(0) scale(0.99); }
.pf-cta-btn svg { transition: transform 0.2s; }
.pf-cta-btn:hover svg { transform: translateX(4px); }

/* ════════════════════════════════════════════════════════
   FLASH AL CLICK
════════════════════════════════════════════════════════ */
.pf-flash {
  position: fixed;
  inset: 0;
  background: rgba(255,214,0,.12);
  pointer-events: none;
  opacity: 0;
  z-index: 9999;
  animation: pfFlash 0.35s ease forwards;
}
@keyframes pfFlash {
  0%   { opacity: 1; }
  100% { opacity: 0; }
}

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .pf-card        { grid-column: span 6; }
  .pf-card--lg    { grid-column: span 12; }
  .pf-card--wide  { grid-column: span 6; }
  .pf-card--sm    { grid-column: span 6; }
  .pf-card--tall  { grid-row: span 1; }
  .pf-card--tall .pf-card-inner { min-height: 320px; }
}

@media (max-width: 640px) {
  .pf-card,
  .pf-card--lg,
  .pf-card--wide,
  .pf-card--sm { grid-column: span 12; }

  .pf-hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .pf-hero-stat-sep { display: none; }

  .pf-cta-inner { flex-direction: column; align-items: flex-start; }

  /* En móvil: tap = flip en vez de hover */
  .pf-card.pf-card--tapped .pf-card-inner {
    transform: rotateY(180deg);
  }
}

/* ── Scroll progress bar ─────────────────────────────── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  background: var(--amarillo);
  z-index: 9999;
  width: 0%;
  transition: width 0.1s linear;
}