/* ═══════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════ */
:root {
  --bg:         #080810;
  --card:       #0f0f1c;
  --card-hover: #131320;
  --border:     rgba(255,255,255,0.07);
  --border-h:   rgba(232,255,71,0.22);
  --accent:     #e8ff47;
  --accent-dim: rgba(232,255,71,0.09);
  --text:       #f0f0f8;
  --muted:      rgba(240,240,248,0.42);
  --font-head:  'Bebas Neue', sans-serif;
  --font-body:  'Outfit', sans-serif;
  --font-ui:    'Space Grotesk', sans-serif;
  --ease:       cubic-bezier(.25,.8,.25,1);
  --r:          14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

/* Grain overlay */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 200px;
  opacity: .55;
}

/* ═══ HERO ════════════════════════════════════════ */
.ph {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 38px 0 34px;
  position: relative;
  overflow: hidden;
}

/* Dot grid background */
.ph-dots {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(232,255,71,0.10) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 90% 100% at 100% 50%, black 10%, transparent 80%);
  mask-image: radial-gradient(ellipse 90% 100% at 100% 50%, black 10%, transparent 80%);
}

.ph-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  display: flex; align-items: center;
  justify-content: space-between; gap: 32px; flex-wrap: wrap;
  position: relative; z-index: 1;
}

/* ── LEFT ── */
.ph-left { display: flex; flex-direction: column; gap: 16px; flex: 1; min-width: 260px; }

.ph-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-ui); font-size: .63rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--accent);
}
.ph-badge-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,255,71,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(232,255,71,0); }
}

.ph-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: .95; letter-spacing: .02em; color: var(--text);
}
.ph-title span { color: var(--accent); }

.ph-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.ph-chip {
  font-family: var(--font-ui); font-size: .6rem; font-weight: 500;
  letter-spacing: .04em;
  padding: 4px 11px; border-radius: 20px;
  border: 1px solid var(--border); color: var(--muted);
  background: rgba(255,255,255,0.03);
}

.ph-desc {
  font-size: .84rem; line-height: 1.75; color: var(--muted);
  padding-left: 14px; border-left: 2px solid var(--accent);
  max-width: 340px;
}

.ph-stats { display: flex; gap: 0; margin-top: 4px; }
.ph-stat {
  display: flex; flex-direction: column; gap: 3px;
  padding: 0 20px; border-right: 1px solid var(--border);
}
.ph-stat:first-child { padding-left: 0; }
.ph-stat:last-child  { border-right: none; }
.ph-stat-num   { font-family: var(--font-head); font-size: 1.8rem; color: var(--accent); line-height: 1; }
.ph-stat-label { font-family: var(--font-ui); font-size: .57rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* ── ROBOT SCENE ── */
.ph-scene {
  flex-shrink: 0;
  width: 220px; height: 240px;
  position: relative;
  display: flex; align-items: flex-end; justify-content: center;
}

.orbit {
  position: absolute;
  width: 180px; height: 180px;
  border: 1px dashed rgba(232,255,71,0.15);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -54%);
  animation: orbit-spin 12s linear infinite;
}
.orbit-dot {
  position: absolute; top: -4px; left: 50%;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(232,255,71,0.7);
}
@keyframes orbit-spin {
  from { transform: translate(-50%, -54%) rotate(0deg); }
  to   { transform: translate(-50%, -54%) rotate(360deg); }
}

.robot-wrap {
  position: relative; z-index: 2;
  animation: float 3.2s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

.robot-shadow {
  width: 70px; height: 10px; border-radius: 50%;
  background: rgba(232,255,71,0.12);
  margin: 0 auto;
  animation: shadow-pulse 3.2s ease-in-out infinite;
}
@keyframes shadow-pulse {
  0%, 100% { width: 70px; opacity: .5; }
  50%       { width: 50px; opacity: .2; }
}

svg.robot { display: block; width: 110px; height: auto; }

.eye-l, .eye-r { animation: blink-eye 4s ease-in-out infinite; }
.eye-r          { animation-delay: .1s; }
@keyframes blink-eye {
  0%, 92%, 100% { transform: scaleY(1); }
  95%            { transform: scaleY(0.05); }
}

.antenna-tip { animation: antenna-glow 1.4s ease-in-out infinite alternate; }
@keyframes antenna-glow { from { opacity: .4; } to { opacity: 1; } }

.arm-l {
  transform-origin: 12px 4px;
  animation: arm-swing 2.4s ease-in-out infinite;
}
.arm-r {
  transform-origin: 2px 4px;
  animation: arm-swing 2.4s ease-in-out infinite reverse;
}
@keyframes arm-swing {
  0%, 100% { transform: rotate(-8deg); }
  50%       { transform: rotate(10deg); }
}

/* floating code tags */
.tag-float {
  position: absolute;
  font-family: var(--font-ui); font-size: .58rem; font-weight: 600;
  background: var(--card); border: 1px solid rgba(232,255,71,0.22);
  color: var(--accent); padding: 3px 9px; border-radius: 6px;
  white-space: nowrap; opacity: 0;
}
.tag-float.t1 { top: 14px; left: -20px; animation: tag-appear 3.5s ease-in-out .2s infinite; }
.tag-float.t2 { top: 44px; right: -28px; animation: tag-appear 3.5s ease-in-out 1.2s infinite; }
.tag-float.t3 { bottom: 54px; left: -30px; animation: tag-appear 3.5s ease-in-out 2.1s infinite; }

@keyframes tag-appear {
  0%   { opacity: 0; transform: translateY(5px); }
  18%  { opacity: 1; transform: translateY(0); }
  72%  { opacity: 1; transform: translateY(0); }
  90%  { opacity: 0; transform: translateY(-4px); }
  100% { opacity: 0; }
}

.ph-line {
  position: absolute; bottom: 0; left: 0;
  height: 1px; width: 100%;
  background: linear-gradient(to right, var(--accent) 0%, rgba(232,255,71,0.2) 200px, transparent 450px);
}

/* ═══ WRAPPER ════════════════════════════════════ */
.projects-wrap {
  max-width: 1200px; margin: 0 auto; padding: 44px 32px 100px;
}

/* ═══ FILTER BAR ══════════════════════════════════ */
.filter-bar {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap; margin-bottom: 36px;
}
.filter-label {
  font-size: .68rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted); margin-right: 4px;
}
.filter-btn {
  font-family: var(--font-body);
  font-size: .7rem; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 6px 16px; border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  cursor: pointer; transition: all .2s var(--ease);
}
.filter-btn:hover {
  border-color: var(--border-h);
  color: var(--accent); background: var(--accent-dim);
}
.filter-btn.active {
  background: var(--accent-dim); color: var(--accent);
  border-color: rgba(232,255,71,.32);
}

/* ═══ GRID ═══════════════════════════════════════ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 22px;
}

/* ═══ CARD ═══════════════════════════════════════ */
.pc {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden;
  transition: border-color .3s var(--ease),
              transform .35s var(--ease),
              box-shadow .35s var(--ease);
  animation: slideUp .45s var(--ease) both;
  cursor: pointer;
  display: flex; flex-direction: column;
}
.pc:hover {
  border-color: var(--border-h);
  transform: translateY(-5px);
  box-shadow: 0 22px 56px rgba(0,0,0,.55), 0 0 0 1px rgba(232,255,71,.06);
}

.pc:nth-child(1) { animation-delay: .04s }
.pc:nth-child(2) { animation-delay: .10s }
.pc:nth-child(3) { animation-delay: .16s }
.pc:nth-child(4) { animation-delay: .22s }
.pc:nth-child(5) { animation-delay: .28s }
.pc:nth-child(6) { animation-delay: .34s }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── IMAGEN ─────────────────────────────────── */
.pc-img {
  position: relative;
  height: 220px; overflow: hidden;
  background: #0a0a14; flex-shrink: 0;
}
.pc-img img,
.pc-img video {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  transition: transform .6s var(--ease);
}
.pc:hover .pc-img img,
.pc:hover .pc-img video { transform: scale(1.06); }

.pc-badge {
  position: absolute; top: 12px; left: 12px;
  font-size: .62rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 3px 11px; border-radius: 999px;
  background: rgba(0,0,0,.72); backdrop-filter: blur(8px);
  border: 1px solid var(--border); color: var(--accent);
}
.pc-media-count {
  position: absolute; bottom: 10px; right: 12px;
  font-family: var(--font-head); font-size: .82rem;
  color: rgba(255,255,255,.45);
  background: rgba(0,0,0,.55); backdrop-filter: blur(5px);
  padding: 2px 9px; border-radius: 6px;
}

.pc-overlay {
  position: absolute; inset: 0;
  background: rgba(8,8,16,.65);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .25s;
}
.pc:hover .pc-overlay { opacity: 1; }
.pc-overlay-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  transform: scale(.8); transition: transform .25s var(--ease);
}
.pc:hover .pc-overlay-icon { transform: scale(1); }

/* ── BODY ──────────────────────────────────── */
.pc-body {
  padding: 22px 24px 24px;
  display: flex; flex-direction: column; flex: 1;
}
.pc-num {
  font-family: var(--font-head); font-size: 3.2rem; line-height: 1;
  color: rgba(232,255,71,.06); margin-bottom: -10px; letter-spacing: -.01em;
}
.pc-title {
  font-family: var(--font-head); font-size: 1.4rem; line-height: 1.1;
  letter-spacing: .02em; color: var(--text); margin-bottom: 10px;
}
.pc-desc {
  font-size: .84rem; line-height: 1.75; color: rgba(240,240,248,0.82);
  transition: max-height 0.4s var(--ease);
}
.pc-desc.collapsed {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pc-desc.expanded {
  -webkit-line-clamp: unset;
  max-height: 2000px; /* Suficiente para cualquier texto */
}

/* Botón Ver más */
.btn-read-more {
  background: none; border: none; padding: 0;
  color: var(--accent); font-family: var(--font-ui);
  font-size: .65rem; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase;
  cursor: pointer; margin-top: 8px;
  display: inline-flex; align-items: center; gap: 4px;
  transition: opacity .2s;
}
.btn-read-more:hover { opacity: .8; }

.pc-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 16px; }
.pc-tag {
  font-size: .62rem; font-weight: 600;
  letter-spacing: .05em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 6px;
  background: var(--accent-dim); color: var(--accent);
  border: 1px solid rgba(232,255,71,.18);
}

/* ── FOOTER DE CARD ────────────────────────── */
.pc-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 18px;
  border-top: 1px solid var(--border);
  margin-top: 20px;
}
.pc-links { display: flex; gap: 8px; }
.pc-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-body); font-size: .76rem; font-weight: 600;
  padding: 8px 16px; border-radius: 9px;
  text-decoration: none; letter-spacing: .02em;
  transition: all .2s var(--ease);
}
.pc-link.line {
  border: 1px solid var(--border); color: var(--muted); background: transparent;
}
.pc-link.line:hover {
  border-color: rgba(255,255,255,.2); color: var(--text);
  background: rgba(255,255,255,.05);
}
.pc-link.fill {
  background: var(--accent); color: #080810;
  border: none; font-weight: 700;
}
.pc-link.fill:hover {
  background: #f5ff6e;
  box-shadow: 0 6px 24px rgba(232,255,71,.28);
  transform: translateY(-1px);
}
.pc-gallery-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-body); font-size: .72rem; font-weight: 500;
  padding: 7px 14px; border-radius: 8px;
  border: 1px solid rgba(232,255,71,.22);
  color: var(--accent); background: var(--accent-dim);
  cursor: pointer; transition: all .2s;
}
.pc-gallery-btn:hover {
  background: rgba(232,255,71,.18);
  box-shadow: 0 0 18px rgba(232,255,71,.12);
}

/* ═══ PAGINACIÓN ═════════════════════════════ */
.pagination {
  display: flex; align-items: center;
  justify-content: center; gap: 7px;
  margin-top: 48px; flex-wrap: wrap;
}
.pg-btn {
  width: 38px; height: 38px; border-radius: 9px;
  border: 1px solid var(--border);
  background: transparent; color: var(--muted);
  font-family: var(--font-head); font-size: .95rem;
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: all .2s var(--ease);
}
.pg-btn:hover:not(:disabled) {
  border-color: var(--border-h); color: var(--accent);
  background: var(--accent-dim);
}
.pg-btn.active {
  background: var(--accent); color: #080810;
  border-color: var(--accent); font-weight: 700;
  pointer-events: none;
}
.pg-btn:disabled { opacity: .28; cursor: default; }
.pg-info {
  font-size: .72rem; color: var(--muted);
  margin: 0 8px; letter-spacing: .04em;
}

/* ═══ EMPTY STATE ════════════════════════════ */
.no-projects {
  text-align: center; padding: 100px 20px; color: var(--muted);
}
.no-projects h3 {
  font-family: var(--font-head); font-size: 3rem;
  color: var(--text); margin-bottom: 12px;
}

/* ═══ LIGHTBOX ═══════════════════════════════ */
.lb {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(5,5,12,.96); backdrop-filter: blur(24px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .28s ease;
}
.lb.open { opacity: 1; pointer-events: all; }

.lb-stage {
  position: relative; display: flex;
  flex-direction: column; align-items: center;
  max-width: 92vw;
  transform: scale(.94); transition: transform .3s var(--ease);
}
.lb.open .lb-stage { transform: scale(1); }

.lb-img {
  max-width: 84vw; max-height: 68vh;
  border-radius: 12px; object-fit: contain; display: block;
  box-shadow: 0 40px 100px rgba(0,0,0,.7);
}
.lb-vid {
  max-width: 84vw; max-height: 68vh;
  border-radius: 12px; display: block;
  box-shadow: 0 40px 100px rgba(0,0,0,.7);
}
.lb-caption {
  margin-top: 14px; font-size: .88rem;
  color: var(--muted); text-align: center; min-height: 20px;
}
.lb-top {
  position: absolute; top: -50px; right: 0;
  display: flex; gap: 8px;
}
.lb-btn {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255,255,255,.07); border: 1px solid var(--border);
  color: #fff; font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.lb-btn:hover { background: rgba(255,255,255,.18); }

.lb-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 50px; height: 50px; border-radius: 50%;
  background: rgba(255,255,255,.06); border: 1px solid var(--border);
  color: #fff; font-size: 1.5rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s, border-color .2s;
}
.lb-arrow:hover {
  background: var(--accent-dim);
  border-color: rgba(232,255,71,.4);
  color: var(--accent);
}
.lb-arrow.prev { left: -68px; }
.lb-arrow.next { right: -68px; }

.lb-strip {
  display: flex; gap: 7px; margin-top: 18px;
  overflow-x: auto; max-width: 80vw;
  scrollbar-width: thin; scrollbar-color: var(--border) transparent;
  padding-bottom: 4px;
}
.lb-strip-thumb {
  flex-shrink: 0; width: 60px; height: 46px; border-radius: 8px;
  object-fit: cover; border: 2px solid transparent;
  opacity: .5; cursor: pointer;
  transition: opacity .2s, border-color .2s;
}
.lb-strip-thumb-video {
  flex-shrink: 0; width: 60px; height: 46px; border-radius: 8px;
  border: 2px solid transparent; opacity: .5; cursor: pointer;
  background: #1a1a30; display: flex;
  align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--accent);
  transition: opacity .2s, border-color .2s;
}
.lb-strip-thumb.active, .lb-strip-thumb:hover,
.lb-strip-thumb-video.active, .lb-strip-thumb-video:hover {
  opacity: 1; border-color: var(--accent);
}

/* ═══ RESPONSIVE ══════════════════════════════ */
@media (max-width: 900px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
  }
  .ph-scene { display: none; }
}
@media (max-width: 600px) {
  .ph-title { font-size: clamp(1.8rem, 10vw, 2.6rem); }
  .projects-grid { grid-template-columns: 1fr; }
  .pc-img { height: 200px; }
  .lb-arrow { display: none; }
  .lb-img, .lb-vid { max-width: 96vw; }
  .projects-wrap { padding: 32px 20px 80px; }
  .ph { padding: 36px 0 30px; }
  .ph-inner { padding: 0 20px; }
}