:root {
    --bg: #f5f2ec;
    --amber: #1a4a8a;
    --amber-bright: #0d3570;
    --amber-dim: #5a7faa;
    --amber-glow: rgba(26,74,138,0.08);
    --text: #1a1a2e;
    --text-dim: #4a5568;
    --white: #ffffff;
    --grid: rgba(26,74,138,0.06);
    --line: rgba(26,74,138,0.2);
    --accent: #c8390a;
    --accent-glow: rgba(200,57,10,0.1);
  }

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

  body {
    background: #e8e4dd;
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    color: var(--text);
    overflow-x: hidden;
  }

  /* SITE HEADER */
  .site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: #1a4a8a;
    border-bottom: 3px solid #0d3570;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 64px;
    box-shadow: 0 2px 12px rgba(26,74,138,0.25);
  }
  .site-header-left {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  .site-header-logo {
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 4px;
    color: #ffffff;
    text-transform: uppercase;
  }
  .site-header-sep {
    width: 1px;
    height: 28px;
    background: rgba(255,255,255,0.3);
  }
  .site-header-subtitle {
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
  }
  .site-header-nav {
    display: flex;
    gap: 6px;
    align-items: center;
  }
  .nav-dot {
    min-width: 44px; height: 36px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Space Mono', monospace;
    padding: 0 8px;
    gap: 6px;
  }
  .nav-dot:hover {
    border-color: #ffffff;
    color: #ffffff;
    background: rgba(255,255,255,0.15);
  }
  .nav-dot.active {
    border-color: #ffffff;
    color: #1a4a8a;
    background: #ffffff;
    font-weight: 700;
  }
  .nav-dot-label {
    font-size: 9px;
    letter-spacing: 1px;
    text-transform: uppercase;
    opacity: 0.8;
  }
  .site-header-right {
    font-size: 12px;
    letter-spacing: 2px;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    text-align: right;
    line-height: 1.6;
  }

  /* SITE FOOTER */
  .site-footer {
    background: #0d3570;
    border-top: 3px solid #1a4a8a;
    padding: 32px 40px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    margin-top: 0;
  }
  .footer-col-title {
    font-family: 'Oswald', sans-serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 4px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.15);
  }
  .footer-col-text {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
    line-height: 1.9;
  }
  .footer-col-text a {
    color: #90b8e8;
    text-decoration: none;
  }
  .footer-legal {
    background: rgba(0,0,0,0.2);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 14px 40px;
    font-size: 11px;
    color: rgba(25, 36, 138, 0.75);
    line-height: 1.7;
    font-style: italic;
  }
  .footer-legal strong {
    color: rgba(25, 36, 138, 0.75);
    font-style: normal;
  }
  .footer-bottom {
    background: #0a2550;
    padding: 14px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255,255,255,0.1);
  }
  .footer-bottom-text {
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 2px;
  }
  .footer-issn {
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    letter-spacing: 3px;
    font-family: 'Space Mono', monospace;
  }

  /* PAGE SYSTEM */
  .page {
    width: 100%;
    min-height: calc(100vh - 64px);
    padding-top: 64px;
    display: none;
    position: relative;
    overflow: hidden;
  }
  .page.active { display: block; }

  /* GRID BACKGROUND */
  .grid-bg {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(var(--grid) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
  }

  /* SCAN LINES */
  .scanlines {
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0,0,0,0.03) 2px,
      rgba(0,0,0,0.03) 4px
    );
    pointer-events: none;
    z-index: 99;
  }

  /* ===================== PAGE 1: COVER ===================== */
  #p1 {
    background: var(--bg);
  }
  .cover-inner {
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 64px);
    display: grid;
    grid-template-rows: auto 1fr auto;
  }
  .cover-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 24px 40px 0;
    border-bottom: 1px solid var(--line);
    padding-bottom: 12px;
  }
  .cover-pub {
    font-family: 'Oswald', sans-serif;
    font-size: 11px;
    letter-spacing: 8px;
    color: var(--amber);
    text-transform: uppercase;
  }
  .cover-meta {
    font-size: 9px;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-align: right;
    line-height: 1.8;
  }
  .cover-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
  }
  .cover-left {
    padding: 48px 40px;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .cover-title-main {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(64px, 8vw, 110px);
    font-weight: 700;
    color: var(--amber-bright);
    line-height: 0.9;
    letter-spacing: -2px;
    text-transform: uppercase;
  }
  .cover-title-sub {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 200;
    color: var(--white);
    letter-spacing: 8px;
    text-transform: uppercase;
    margin-top: 8px;
  }
  .cover-title-accent {
    display: inline-block;
    background: transparent;
    color: var(--amber);
    padding: 0;
    font-weight: 700;
  }
  .cover-issue-tag {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 32px;
  }
  .cover-issue-num {
    font-family: 'Oswald', sans-serif;
    font-size: 80px;
    font-weight: 700;
    color: var(--amber-dim);
    line-height: 1;
    opacity: 0.4;
  }
  .cover-issue-text {
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--text-dim);
    text-transform: uppercase;
    line-height: 2;
  }

  .cover-wireframe {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
  }

  /* SVG WIREFRAME CITY */
  .wf-svg {
    width: 100%;
    max-width: 460px;
    filter: drop-shadow(0 0 20px rgba(212,130,10,0.4));
  }

  .cover-bottom-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
  }
  .cover-strip-item {
    padding: 16px 24px;
    border-right: 1px solid var(--line);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-dim);
    line-height: 2;
    background: rgba(26,74,138,0.04);
  }
  .cover-strip-item:last-child { border-right: none; }
  .strip-label {
    color: var(--amber);
    font-weight: 700;
    display: block;
    margin-bottom: 4px;
    font-size: 12px;
  }
  .strip-arrow {
    color: var(--amber);
    font-size: 10px;
    display: block;
    margin-top: 8px;
    font-weight: 700;
  }

  /* ===================== PAGE 2 ===================== */
  #p2 { background: var(--bg); }
  .spread-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid var(--line);
    position: relative;
    z-index: 1;
  }
  .spread-section {
    font-family: 'Oswald', sans-serif;
    font-size: 10px;
    letter-spacing: 6px;
    color: var(--amber);
    text-transform: uppercase;
  }
  .spread-pg {
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 2px;
  }

  .p2-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: calc(100vh - 120px);
  }
  .p2-sidebar {
    border-right: 1px solid var(--line);
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .sidebar-big-num {
    font-family: 'Oswald', sans-serif;
    font-size: 120px;
    font-weight: 700;
    color: var(--amber);
    line-height: 0.9;
    opacity: 0.25;
    letter-spacing: -6px;
  }
  .spread-bg-num {
    position: absolute;
    top: 96px;
    right: 32px;
    font-family: 'Oswald', sans-serif;
    font-size: 220px;
    font-weight: 700;
    color: var(--amber);
    line-height: 0.85;
    opacity: 0.25 !important;
    animation: none !important;
    letter-spacing: -10px;
    pointer-events: none;
    z-index: 0;
    user-select: none;
  }
  /* Section 03 — "03" centered to the right of the VECTORES DE CONTROL title (matches reference image) */
  .spread-bg-num.pos-p3 {
    top: 150px;
    left: 50%;
    right: auto;
    transform: translateX(-30%);
    font-size: 280px;
    letter-spacing: -12px;
  }
  /* Section 04 — "04" subtly lower, aligned with ARQUITECTURAS title */
  .spread-bg-num.pos-p4 {
    top: 320px;
    left: 40px;
    right: auto;
    font-size: 240px;
  }
  /* Section 05 — "05" beside the CÓMO title */
  .spread-bg-num.pos-p5 {
    top: 150px;
    left: 230px;
    right: auto;
    font-size: 240px;
  }
  .sidebar-title {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 2px;
    line-height: 1.1;
    border-left: 3px solid var(--amber);
    padding-left: 12px;
  }
  .sidebar-body {
    font-size: 13px;
    line-height: 1.8;
    color: var(--text-dim);
  }
  .stat-box {
    border: 1px solid var(--line);
    padding: 12px;
    background: rgba(26,74,138,0.06);
    border-left: 4px solid var(--amber);
  }
  .stat-num {
    font-family: 'Oswald', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--amber-bright);
  }
  .stat-label {
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-top: 4px;
  }

  .p2-main {
    padding: 32px 40px;
    display: grid;
    grid-template-rows: auto 1fr auto;
    gap: 24px;
  }
  .p2-eyebrow {
    font-size: 9px;
    letter-spacing: 5px;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 8px;
  }
  .p2-headline {
    font-family: 'Oswald', sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: var(--amber-bright);
    text-transform: uppercase;
    line-height: 0.95;
    letter-spacing: -1px;
  }
  .p2-headline span {
    color: var(--amber);
    font-weight: 200;
  }
  .p2-columns {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px;
    margin-top: 16px;
  }
  .p2-col p {
    font-size: 13px;
    line-height: 1.9;
    color: var(--text-dim);
    margin-bottom: 12px;
  }
  .p2-col p strong {
    color: var(--amber);
    font-style: italic;
  }
  .p2-col-title {
    font-family: 'Oswald', sans-serif;
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--amber);
    text-transform: uppercase;
    border-bottom: 1px solid var(--line);
    padding-bottom: 8px;
    margin-bottom: 12px;
  }
  .tag-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }
  .tag {
    font-size: 8px;
    letter-spacing: 2px;
    padding: 3px 8px;
    border: 1px solid var(--amber-dim);
    color: var(--text-dim);
    text-transform: uppercase;
  }
  .tag.highlight {
    background: var(--amber);
    color: var(--bg);
    border-color: var(--amber);
    font-weight: 700;
  }
  .data-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 8px 0;
  }
  .data-bar-label {
    font-size: 9px;
    letter-spacing: 1px;
    color: var(--text-dim);
    width: 80px;
    text-transform: uppercase;
  }
  .data-bar-track {
    flex: 1;
    height: 3px;
    background: rgba(212,130,10,0.15);
    position: relative;
  }
  .data-bar-fill {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    background: var(--amber);
  }
  .data-bar-val {
    font-size: 9px;
    color: var(--amber);
    width: 32px;
    text-align: right;
  }

  /* ===================== PAGE 3 ===================== */
  #p3 { background: var(--bg); }
  .p3-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 380px;
    min-height: calc(100vh - 120px);
  }
  .p3-main {
    padding: 40px;
    border-right: 1px solid var(--line);
  }
  .p3-big-title {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(48px, 6vw, 88px);
    font-weight: 700;
    text-transform: uppercase;
    line-height: 0.9;
    color: var(--amber-bright);
    letter-spacing: -2px;
    margin-bottom: 8px;
  }
  .p3-big-sub {
    font-family: 'Oswald', sans-serif;
    font-size: 24px;
    font-weight: 200;
    letter-spacing: 6px;
    color: var(--amber-bright);
    text-transform: uppercase;
    margin-bottom: 32px;
  }
  .p3-infographic {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid var(--line);
    margin-bottom: 32px;
  }
  .p3-info-cell {
    padding: 20px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    position: relative;
  }
  .p3-info-cell:nth-child(3n) { border-right: none; }
  .p3-info-cell:nth-child(n+4) { border-bottom: none; }
  .p3-cell-num {
    font-family: 'Oswald', sans-serif;
    font-size: 48px;
    font-weight: 700;
    color: var(--amber-bright);
    line-height: 1;
    opacity: 0.8;
  }
  .p3-cell-unit {
    font-size: 11px;
    color: var(--amber-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
  }
  .p3-cell-desc {
    font-size: 10px;
    color: var(--text-dim);
    line-height: 1.7;
    margin-top: 8px;
  }
  .p3-cell-corner {
    position: absolute;
    top: 8px; right: 8px;
    width: 12px; height: 12px;
    border-top: 2px solid var(--amber-dim);
    border-right: 2px solid var(--amber-dim);
  }
  .p3-text-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .p3-col-text {
    font-size: 11px;
    line-height: 1.9;
    color: var(--text-dim);
  }
  .p3-col-text strong { color: var(--amber); }
  .p3-sidebar {
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .p3-pull-quote {
    border-left: 4px solid var(--amber);
    padding: 16px 20px;
    background: rgba(26,74,138,0.07);
    border-radius: 0 4px 4px 0;
  }
  .p3-pull-text {
    font-family: 'Courier Prime', monospace;
    font-size: 16px;
    font-style: italic;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 12px;
  }
  .p3-pull-attr {
    font-size: 11px;
    letter-spacing: 2px;
    color: var(--amber);
    text-transform: uppercase;
  }
  .p3-chart {
    border: 1px solid var(--line);
    padding: 16px;
  }
  .chart-title {
    font-size: 9px;
    letter-spacing: 4px;
    color: var(--amber);
    text-transform: uppercase;
    margin-bottom: 16px;
  }
  .chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    height: 80px;
  }
  .chart-bar-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    height: 100%;
    justify-content: flex-end;
  }
  .chart-bar-fill {
    width: 100%;
    background: var(--amber);
    opacity: 0.7;
    transition: opacity 0.2s;
  }
  .chart-bar-fill:hover { opacity: 1; }
  .chart-bar-lbl {
    font-size: 7px;
    color: var(--text-dim);
    letter-spacing: 1px;
  }
  .p3-timeline {
    border: 1px solid var(--line);
    padding: 16px;
  }
  .timeline-item {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(212,130,10,0.08);
  }
  .timeline-item:last-child { border-bottom: none; }
  .timeline-year {
    font-family: 'Oswald', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--amber);
    min-width: 48px;
  }
  .timeline-text {
    font-size: 10px;
    color: var(--text-dim);
    line-height: 1.6;
  }

  /* ===================== PAGE 4 ===================== */
  #p4 { background: var(--bg); }
  .p4-full {
    position: relative;
    z-index: 1;
    padding: 0;
    min-height: calc(100vh - 120px);
    display: grid;
    grid-template-rows: auto 1fr;
  }
  .p4-hero {
    padding: 40px 40px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 32px;
  }
  .p4-hero-title {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(40px, 5vw, 72px);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--amber-bright);
    line-height: 0.9;
    letter-spacing: -1px;
  }
  .p4-hero-title em {
    font-style: normal;
    color: transparent;
    -webkit-text-stroke: 2px var(--amber);
  }
  .p4-hero-right {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 12px;
  }
  .p4-hero-body {
    font-size: 12px;
    line-height: 1.8;
    color: var(--text-dim);
    margin-bottom: 16px;
  }
  .p4-hero-body strong { color: var(--amber); }
  .p4-tags { display: flex; gap: 6px; flex-wrap: wrap; }

  .p4-grid-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: none;
  }
  .p4-card {
    padding: 24px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    overflow: hidden;
  }
  .p4-card:nth-child(4n) { border-right: none; }
  .p4-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: var(--amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
  }
  .p4-card:hover::before { transform: scaleX(1); }
  .p4-card-icon {
    font-size: 24px;
    opacity: 0.6;
  }
  .p4-card-num {
    font-family: 'Oswald', sans-serif;
    font-size: 11px;
    letter-spacing: 4px;
    color: var(--amber-dim);
    text-transform: uppercase;
  }
  .p4-card-title {
    font-family: 'Oswald', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    line-height: 1.1;
  }
  .p4-card-body {
    font-size: 10px;
    line-height: 1.8;
    color: var(--text-dim);
    flex: 1;
  }
  .p4-card-meter {
    height: 2px;
    background: rgba(212,130,10,0.15);
    position: relative;
  }
  .p4-card-meter-fill {
    position: absolute;
    left: 0; top: 0; bottom: 0;
    background: var(--amber);
  }
  .p4-card-meter-val {
    font-size: 9px;
    color: var(--amber);
    margin-top: 4px;
    text-align: right;
  }

  /* ===================== PAGE 5 ===================== */
  #p5 { background: var(--bg); }
  .p5-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: calc(100vh - 120px);
  }
  .p5-left {
    border-right: 1px solid var(--line);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .p5-right {
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .p5-eyebrow {
    font-size: 9px;
    letter-spacing: 6px;
    color: var(--amber);
    text-transform: uppercase;
  }
  .p5-big-title {
    font-family: 'Oswald', sans-serif;
    font-size: 64px;
    font-weight: 700;
    color: var(--amber-bright);
    text-transform: uppercase;
    line-height: 0.9;
    letter-spacing: -2px;
  }
  .p5-big-title span {
    display: block;
    font-weight: 200;
    color: var(--amber);
    letter-spacing: 4px;
    font-size: 32px;
  }
  .p5-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--line);
  }
  .p5-list-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid rgba(212,130,10,0.1);
    transition: background 0.2s;
  }
  .p5-list-item:last-child { border-bottom: none; }
  .p5-list-item:hover { background: var(--amber-glow); }
  .p5-list-num {
    font-family: 'Oswald', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: var(--amber);
    opacity: 0.4;
    min-width: 36px;
    line-height: 1;
  }
  .p5-list-content {}
  .p5-list-title {
    font-family: 'Oswald', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--amber);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 4px;
  }
  .p5-list-text {
    font-size: 10px;
    color: var(--text-dim);
    line-height: 1.7;
  }
  .p5-matrix {
    border: 1px solid var(--line);
    overflow: hidden;
  }
  .p5-matrix-title {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    font-size: 9px;
    letter-spacing: 5px;
    color: var(--amber);
    text-transform: uppercase;
    background: var(--amber-glow);
  }
  .p5-matrix-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }
  .p5-matrix-cell {
    padding: 12px;
    border-right: 1px solid rgba(212,130,10,0.1);
    border-bottom: 1px solid rgba(212,130,10,0.1);
    font-size: 9px;
    color: var(--text-dim);
    letter-spacing: 1px;
  }
  .p5-matrix-cell.header {
    color: var(--amber);
    font-weight: 700;
    background: rgba(212,130,10,0.05);
  }
  .p5-matrix-cell.active {
    background: #c8390a;
    color: #ffffff;
    font-weight: 700;
  }
  .p5-quote-block {
    background: #1a4a8a;
    color: #ffffff;
    padding: 24px;
    font-family: 'Oswald', sans-serif;
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.2;
    letter-spacing: 1px;
    border-left: 6px solid var(--accent);
  }
  .p5-quote-src {
    font-size: 11px;
    letter-spacing: 3px;
    margin-top: 12px;
    opacity: 0.7;
  }
  .p5-nodes {
    position: relative;
    height: 200px;
    border: 1px solid var(--line);
    overflow: hidden;
  }
  .node {
    position: absolute;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 8px var(--amber);
  }
  .node-label {
    position: absolute;
    font-size: 8px;
    color: var(--text-dim);
    letter-spacing: 1px;
    white-space: nowrap;
    transform: translateY(-14px);
  }
  .node-line {
    position: absolute;
    height: 1px;
    background: var(--amber-dim);
    transform-origin: left center;
    opacity: 0.4;
  }

  /* ===================== PAGE 6 ===================== */
  #p6 { background: var(--bg); }
  .p6-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-rows: 1fr auto;
    min-height: calc(100vh - 120px);
  }
  .p6-main {
    display: grid;
    grid-template-columns: 1fr 320px;
  }
  .p6-editorial {
    padding: 40px;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    gap: 24px;
  }
  .p6-ed-title {
    font-family: 'Oswald', sans-serif;
    font-size: 72px;
    font-weight: 700;
    color: var(--amber-bright);
    text-transform: uppercase;
    line-height: 0.85;
    letter-spacing: -2px;
  }
  .p6-ed-title .outline {
    color: transparent;
    -webkit-text-stroke: 1px var(--amber-dim);
  }
  .p6-ed-text {
    font-size: 13px;
    line-height: 1.9;
    color: var(--text-dim);
    columns: 2;
    column-gap: 32px;
  }
  .p6-ed-text strong { color: var(--amber); }
  .p6-ed-text p { margin-bottom: 12px; break-inside: avoid; }
  .p6-sidebar {
    padding: 32px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
  .p6-index {
    border: 1px solid var(--line);
    overflow: hidden;
  }
  .p6-index-header {
    padding: 10px 16px;
    background: var(--amber);
    color: #ffffff;
    font-family: 'Oswald', sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
  }
  .p6-index-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 16px;
    border-bottom: 1px solid rgba(212,130,10,0.1);
    font-size: 10px;
    color: var(--text-dim);
    letter-spacing: 1px;
  }
  .p6-index-item:hover {
    background: var(--amber-glow);
    color: var(--amber);
    cursor: pointer;
  }
  .p6-index-pg {
    color: var(--amber-dim);
    font-family: 'Space Mono', monospace;
  }
  .p6-credits {
    font-size: 9px;
    color: var(--text-dim);
    line-height: 2;
    letter-spacing: 1px;
    border-top: 1px solid var(--line);
    padding-top: 12px;
  }
  .p6-credits strong { color: var(--amber); display: block; letter-spacing: 3px; margin-bottom: 4px; }
  .p6-bottom {
    border-top: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 16px 40px;
  }
  .p6-tagline {
    font-family: 'Oswald', sans-serif;
    font-size: 13px;
    letter-spacing: 8px;
    color: var(--amber);
    text-transform: uppercase;
  }
  .p6-barcode {
    display: flex;
    gap: 2px;
    align-items: stretch;
    height: 36px;
  }
  .bc-bar {
    background: var(--amber);
    width: 2px;
  }
  .bc-bar.wide { width: 4px; }
  .bc-bar.space { background: transparent; width: 3px; }

  /* CORNER DECO */
  .corner-tl, .corner-tr, .corner-bl, .corner-br {
    position: absolute;
    width: 16px; height: 16px;
    z-index: 2;
  }
  .corner-tl {
    top: 8px; left: 8px;
    border-top: 2px solid var(--amber-dim);
    border-left: 2px solid var(--amber-dim);
  }
  .corner-tr {
    top: 8px; right: 8px;
    border-top: 2px solid var(--amber-dim);
    border-right: 2px solid var(--amber-dim);
  }
  .corner-bl {
    bottom: 8px; left: 8px;
    border-bottom: 2px solid var(--amber-dim);
    border-left: 2px solid var(--amber-dim);
  }
  .corner-br {
    bottom: 8px; right: 8px;
    border-bottom: 2px solid var(--amber-dim);
    border-right: 2px solid var(--amber-dim);
  }

  /* GLITCH FACE */
  .face-layer { transition: opacity 0.05s; }
  .wf-svg-wrap { position: relative; }
  .wf-svg-wrap:hover .face-normal { opacity: 0; }
  .wf-svg-wrap:hover .face-glitch { opacity: 1; }
  .face-glitch { opacity: 0; }
  .face-normal { opacity: 1; }

  @keyframes glitch-face {
    0%   { transform: translate(0,0); filter: none; }
    10%  { transform: translate(-4px, 2px); filter: hue-rotate(90deg) saturate(3); clip-path: polygon(0 0, 100% 0, 100% 30%, 0 30%); }
    20%  { transform: translate(4px, -3px); filter: hue-rotate(200deg); clip-path: polygon(0 40%, 100% 40%, 100% 70%, 0 70%); }
    30%  { transform: translate(-2px, 0); filter: none; clip-path: none; }
    40%  { transform: translate(6px, 1px); filter: hue-rotate(320deg) contrast(2); clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); }
    50%  { transform: translate(0,0); filter: none; clip-path: none; }
    60%  { transform: translate(-6px, -2px); filter: hue-rotate(160deg) saturate(4); clip-path: polygon(0 10%, 100% 10%, 100% 50%, 0 50%); }
    70%  { transform: translate(3px, 4px); filter: none; clip-path: none; }
    80%  { transform: translate(-3px, -1px); filter: hue-rotate(280deg); clip-path: polygon(0 70%, 100% 70%, 100% 90%, 0 90%); }
    100% { transform: translate(0,0); filter: none; clip-path: none; }
  }
  .wf-svg-wrap:hover .face-glitch {
    animation: glitch-face 0.4s steps(1) infinite;
  }
  @keyframes glitch {
    0%, 90%, 100% { clip-path: none; transform: none; }
    92% { clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%); transform: translate(-3px, 0); color: #ff6600; }
    94% { clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%); transform: translate(3px, 0); color: #00aaff; }
    96% { clip-path: none; transform: none; }
  }
  .glitch {
    animation: glitch 6s infinite;
  }

  @keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
  }
  .blink { animation: blink 1.2s step-end infinite; }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .page.active > * {
    animation: fadeIn 0.4s ease forwards;
  }

  /* HOVER EFFECTS for materias */
  .materia-aprobada {
    position: relative;
    overflow: hidden;
    transition: background 0.2s, color 0.2s, transform 0.15s;
    cursor: default;
  }
  .materia-aprobada::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 2px;
    background: var(--amber);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s;
  }
  .materia-aprobada:hover::before {
    transform: scaleX(1);
  }
  .materia-aprobada:hover {
    background: rgba(26,74,138,0.08);
    color: var(--text);
  }

  .materia-proceso {
    transition: background 0.25s;
    cursor: default;
  }
  .materia-proceso:hover {
    background: rgba(255, 140, 0, 0.12);
  }

  /* =====================================================
     RESPONSIVE  —  celular / tablet  (hasta 768px)
     ===================================================== */
  @media (max-width: 768px) {
    body { font-size: 13px; }

    /* ---- HEADER ---- */
    .site-header { padding: 0 12px; gap: 8px; }
    .site-header-left { gap: 10px; flex-shrink: 0; min-width: 0; }
    .site-header-logo { font-size: 16px; letter-spacing: 2px; }
    .site-header-sep,
    .site-header-subtitle,
    .site-header-right { display: none; }
    .site-header-nav {
      flex: 1;
      justify-content: flex-end;
      gap: 4px;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .site-header-nav::-webkit-scrollbar { display: none; }
    .nav-dot { min-width: 34px; height: 32px; padding: 0 6px; font-size: 12px; gap: 0; flex-shrink: 0; }
    .nav-dot-label { display: none; }

    /* ---- colapsar TODOS los grids inline a 1 columna ---- */
    [style*="grid-template-columns"] { grid-template-columns: 1fr !important; }

    /* ---- FOOTER ---- */
    .site-footer { grid-template-columns: 1fr; gap: 24px; padding: 24px 18px; }
    .footer-legal, .footer-bottom { padding: 14px 18px; }

    /* ---- P1 COVER ---- */
    .cover-header { flex-direction: column; align-items: flex-start; gap: 8px; padding: 18px 18px 12px; }
    .cover-meta { text-align: left; }
    .cover-body { grid-template-columns: 1fr; }
    .cover-left { padding: 28px 18px; border-right: none; border-bottom: 1px solid var(--line); }
    .cover-wireframe { padding: 24px 18px; }
    .cover-issue-num { font-size: 56px; }
    .cover-bottom-strip { grid-template-columns: 1fr; }
    .cover-strip-item { border-right: none; border-bottom: 1px solid var(--line); }
    .cover-strip-item:last-child { border-bottom: none; }

    /* ---- spread headers ---- */
    .spread-header { padding: 16px 18px; }

    /* ---- numeros decorativos gigantes ---- */
    .spread-bg-num,
    .spread-bg-num.pos-p3,
    .spread-bg-num.pos-p4,
    .spread-bg-num.pos-p5 {
      font-size: 120px !important;
      top: 80px;
      right: 8px;
      left: auto !important;
      transform: none !important;
    }

    /* ---- P2 ---- */
    .p2-grid { grid-template-columns: 1fr; }
    .p2-sidebar { border-right: none; border-bottom: 1px solid var(--line); padding: 24px 18px; }
    .sidebar-big-num { font-size: 80px; }
    .p2-main { padding: 24px 18px; }
    .p2-headline { font-size: 34px; }
    .p2-columns { grid-template-columns: 1fr; gap: 20px; }

    /* ---- P3 ---- */
    .p3-layout { grid-template-columns: 1fr; }
    .p3-main { padding: 24px 18px; border-right: none; }
    .p3-infographic { grid-template-columns: 1fr 1fr; }
    .p3-info-cell:nth-child(3n) { border-right: 1px solid var(--line); }
    .p3-info-cell:nth-child(2n) { border-right: none; }
    .p3-info-cell:nth-child(n+4) { border-bottom: 1px solid var(--line); }
    .p3-text-cols { grid-template-columns: 1fr; gap: 20px; }
    .p3-sidebar { padding: 24px 18px; }

    /* ---- P4 ---- */
    .p4-hero { grid-template-columns: 1fr; gap: 20px; padding: 24px 18px; }
    .p4-grid-section { grid-template-columns: 1fr; }
    .p4-card { border-right: none !important; }

    /* ---- P5 ---- */
    .p5-layout { grid-template-columns: 1fr; }
    .p5-left { border-right: none; border-bottom: 1px solid var(--line); padding: 24px 18px; }
    .p5-right { padding: 24px 18px; }
    .p5-big-title { font-size: 42px; }
    .p5-big-title span { font-size: 24px; }
    .p5-matrix-cell { font-size: 8px; padding: 8px; }

    /* ---- P6 ---- */
    .p6-main { grid-template-columns: 1fr; }
    .p6-editorial { border-right: none; padding: 24px 18px; }
    .p6-ed-title { font-size: 42px; }
    .p6-ed-text { columns: 1; }
    .p6-sidebar { padding: 24px 18px; }
    .p6-bottom { padding: 16px 18px; }
  }


/* ===================== DETECTOR ANIMATIONS ===================== */
@keyframes loadPulse {
  0%, 100% { transform: scaleY(0.4); opacity:0.4; }
  50% { transform: scaleY(1); opacity:1; }
}
#lie-input::placeholder { color: var(--text-dim); opacity:0.6; }