/* ================================================================
   Sensesbit IA Preview — Shared Design Tokens
   Canonical brand from /es/lp/de-semanas-a-horas (Manual de Marca)
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Brand palette — canonical */
  --c-blue:        #5594D9;
  --c-blue-dark:   #2C5C8F;
  --c-blue-mid:    #4D88C9;
  --c-blue-soft:   #EEF5FC;
  --c-blue-card:   #E5EFFA;
  --c-blue-stroke: rgba(87, 142, 204, 0.24);
  --c-blue-glow:   rgba(85, 148, 217, 0.20);
  --c-gold:        #FAC05E;
  --c-gold-deep:   #E8A847;
  --c-gold-glow:   rgba(250, 192, 94, 0.55);
  --c-gold-soft:   rgba(250, 192, 94, 0.10);
  --c-charcoal:    #333333;
  --c-text:        #333333;
  --c-text-2:      #6A7282;
  --c-text-mute:   #94A3B8;
  --c-navy:        #0F172A;
  --c-bg-light:    #F8FAFC;
  --c-bg-tint:     #EEF5FC;
  --c-border:      #E4ECF5;
  --c-white:       #FFFFFF;

  /* Action / tier / cluster colors */
  --c-tier1: #FAC05E;   /* gold — quality nodes */
  --c-tier2: #5594D9;   /* blue — supporting nodes */
  --c-tier3: #94A3B8;   /* gray — depth nodes */
  --c-new:   #10B981;   /* green — new since today */
  --c-demote: #EF4444;  /* red — demoted from prior plan */

  /* Cluster colors — 7 Koray cores + outer ring */
  --c-cluster-D:   #5594D9;  /* discriminative */
  --c-cluster-DA:  #4D88C9;  /* descriptive analysis */
  --c-cluster-CP:  #2C5C8F;  /* consumer panel */
  --c-cluster-PM:  #FAC05E;  /* panel management */
  --c-cluster-XD:  #E8A847;  /* experimental design */
  --c-cluster-ST:  #10B981;  /* statistics */
  --c-cluster-AI:  #8B5CF6;  /* sensory AI */
  --c-cluster-IV:  #F59E0B;  /* industry vertical */
  --c-cluster-UC:  #EC4899;  /* use case */
  --c-cluster-VS:  #EF4444;  /* vs-pages */
  --c-cluster-ISO: #6B7280;  /* iso standards */
  --c-cluster-GL:  #14B8A6;  /* glossary */
  --c-cluster-IN:  #6366F1;  /* integrations */
  --c-cluster-TL:  #84CC16;  /* tools */
  --c-cluster-SP:  #A855F7;  /* source pages */

  /* Typography */
  --ff:   'Montserrat', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --fs-h1: clamp(2rem, 4.5vw, 3rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.125rem);
  --fs-h3: clamp(1.125rem, 2vw, 1.375rem);
  --fs-stat: clamp(1.625rem, 3vw, 2.5rem);
  --fs-lead: clamp(1rem, 1.75vw, 1.1875rem);
  --fs-body: 1.0625rem;
  --fs-small: 0.9375rem;
  --fs-tiny: 0.8125rem;
  --lh-body: 1.6;
  --lh-tight: 1.25;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;

  /* Radii */
  --r-card: 14px;
  --r-pill: 999px;
  --r-btn: 8px;
  --r-sm: 6px;

  /* Shadows */
  --shadow-cta: 0 8px 24px -8px rgba(250,192,94,.55);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 4px 16px rgba(15, 23, 42, 0.04);
  --shadow-card-hover: 0 4px 12px rgba(15, 23, 42, 0.08), 0 16px 32px rgba(15, 23, 42, 0.06);
  --shadow-blue-glow: 0 8px 24px -8px var(--c-blue-glow);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-text);
  background: var(--c-bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--c-blue); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--c-blue-dark); }

button { font-family: inherit; cursor: pointer; }

/* ── Header (shared across all 4 pages) ── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--c-border);
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 var(--sp-5);
  gap: var(--sp-5);
}
.app-header .logo {
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--c-navy);
  letter-spacing: -0.01em;
}
.app-header .logo .accent { color: var(--c-blue); }
.app-header .meta {
  font-size: var(--fs-tiny);
  color: var(--c-text-mute);
  font-family: var(--ff-mono);
}
.app-header nav {
  margin-left: auto;
  display: flex;
  gap: var(--sp-1);
  align-items: center;
}
.app-header nav a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--c-text-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-btn);
  transition: all 0.15s;
}
.app-header nav a:hover { background: var(--c-bg-tint); color: var(--c-blue-dark); }
.app-header nav a.active { background: var(--c-blue-soft); color: var(--c-blue-dark); font-weight: 600; }

/* ── Decorative orbs (canonical pattern) ── */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}
.orb-blue { background: radial-gradient(circle, var(--c-blue) 0%, transparent 70%); }
.orb-gold { background: radial-gradient(circle, var(--c-gold) 0%, transparent 70%); }

/* ── Cards ── */
.card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  padding: var(--sp-5);
  box-shadow: var(--shadow-card);
  transition: all 0.2s;
}
.card:hover { box-shadow: var(--shadow-card-hover); border-color: var(--c-blue-stroke); }
.card-title { font-size: var(--fs-h3); font-weight: 700; color: var(--c-navy); margin-bottom: var(--sp-2); }
.card-body { color: var(--c-text-2); font-size: var(--fs-small); }

/* ── Stat cards ── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-4);
}
.stat-card {
  background: linear-gradient(135deg, var(--c-blue-soft) 0%, var(--c-white) 100%);
  border: 1px solid var(--c-blue-stroke);
  border-radius: var(--r-card);
  padding: var(--sp-5);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--c-blue-glow) 0%, transparent 50%);
  opacity: 0.3;
}
.stat-card .stat-value { font-size: var(--fs-stat); font-weight: 800; color: var(--c-navy); line-height: 1; }
.stat-card .stat-label { font-size: var(--fs-tiny); color: var(--c-text-2); margin-top: var(--sp-2); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.stat-card .stat-sub { font-size: var(--fs-tiny); color: var(--c-text-mute); margin-top: var(--sp-1); }
.stat-card.gold {
  background: linear-gradient(135deg, var(--c-gold-soft) 0%, var(--c-white) 100%);
  border-color: rgba(250, 192, 94, 0.3);
}
.stat-card.gold::before { background: radial-gradient(circle, var(--c-gold-glow) 0%, transparent 50%); }
.stat-card.gold .stat-value { color: var(--c-gold-deep); }

/* ── Pills / badges ── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-pill);
  font-size: var(--fs-tiny);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.pill-tier1 { background: var(--c-gold-soft); color: var(--c-gold-deep); border: 1px solid rgba(250, 192, 94, 0.3); }
.pill-tier2 { background: var(--c-blue-soft); color: var(--c-blue-dark); border: 1px solid var(--c-blue-stroke); }
.pill-tier3 { background: #F1F5F9; color: var(--c-text-2); border: 1px solid var(--c-border); }
.pill-new   { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.pill-demote { background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA; }

/* ── CTA button ── */
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  background: var(--c-gold);
  color: var(--c-navy);
  font-weight: 700;
  font-size: var(--fs-small);
  border-radius: var(--r-btn);
  border: none;
  box-shadow: var(--shadow-cta);
  transition: all 0.2s;
}
.btn-gold:hover { background: var(--c-gold-deep); transform: translateY(-1px); }

.btn-blue {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  background: var(--c-blue);
  color: var(--c-white);
  font-weight: 700;
  font-size: var(--fs-small);
  border-radius: var(--r-btn);
  border: none;
  transition: all 0.2s;
}
.btn-blue:hover { background: var(--c-blue-dark); transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  background: transparent;
  color: var(--c-blue);
  font-weight: 600;
  font-size: var(--fs-small);
  border-radius: var(--r-btn);
  border: 1px solid var(--c-blue-stroke);
  transition: all 0.2s;
}
.btn-ghost:hover { background: var(--c-blue-soft); }

/* ── Section ── */
section { padding: var(--sp-7) var(--sp-5); position: relative; }
section.tinted { background: linear-gradient(180deg, var(--c-bg-tint) 0%, var(--c-bg-light) 100%); }
.section-inner { max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; }
.section-title { font-size: var(--fs-h2); font-weight: 800; color: var(--c-navy); margin-bottom: var(--sp-2); letter-spacing: -0.02em; }
.section-sub { font-size: var(--fs-lead); color: var(--c-text-2); margin-bottom: var(--sp-6); max-width: 720px; }

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; font-size: var(--fs-small); }
table th {
  text-align: left;
  font-size: var(--fs-tiny);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-text-2);
  padding: var(--sp-3) var(--sp-4);
  background: var(--c-bg-tint);
  border-bottom: 2px solid var(--c-border);
  position: sticky;
  top: 64px;
  z-index: 10;
}
table th[data-sortable]:hover { cursor: pointer; background: var(--c-blue-card); color: var(--c-blue-dark); }
table td { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--c-border); vertical-align: top; }
table tr:hover td { background: var(--c-bg-tint); }
table .mono { font-family: var(--ff-mono); font-size: var(--fs-tiny); color: var(--c-text-2); }
table .num { text-align: right; font-variant-numeric: tabular-nums; font-weight: 600; color: var(--c-navy); }

/* ── Footer ── */
.app-footer {
  padding: var(--sp-6) var(--sp-5);
  background: var(--c-navy);
  color: var(--c-text-mute);
  font-size: var(--fs-tiny);
  text-align: center;
}
.app-footer a { color: var(--c-blue); }