/* ════════════════════════════════════════════════════════════════════
   COSMOS — gregoriomemoria.com design system
   Psychedelic / futuristic dark theme.
   Single source of truth for colours, typography, components, animations.
   Pages: landing.html, blog/index.html, metodologia.html
   ════════════════════════════════════════════════════════════════════ */

:root {
  /* ── Backgrounds ── */
  --bg-base:    #0a0a0f;
  --bg-surface: #12111a;
  --bg-card:    #1a1828;
  --bg-elevated:#221f33;

  /* ── Accents ── */
  --accent-violet:  #7c3aed;
  --accent-emerald: #06d6a0;
  --accent-magenta: #f72585;
  --accent-gold:    #ffd60a;

  /* ── Text ── */
  --text-primary:   #f0f0f8;
  --text-secondary: #9d9bb5;
  --text-muted:     #5a5875;

  /* ── Border / glow ── */
  --border:        rgba(124,58,237,0.20);
  --border-strong: rgba(124,58,237,0.45);
  --glow-violet:   rgba(124,58,237,0.30);
  --glow-emerald:  rgba(6,214,160,0.30);
  --glow-magenta:  rgba(247,37,133,0.30);
  --glow-gold:     rgba(255,214,10,0.30);

  /* ── Brand gradient (used for hero word + CTAs) ── */
  --brand-gradient: linear-gradient(135deg, #7c3aed 0%, #06d6a0 50%, #f72585 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(6,214,160,0.15), rgba(247,37,133,0.15));

  /* ── Typography ── */
  --font-display: "Playfair Display", Georgia, serif;
  --font-body:    "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "Fira Code", monospace;

  /* ── Layout ── */
  --max:    1240px;
  --max-tight: 920px;
  --radius: 16px;
  --radius-lg: 24px;
  --nav-h: 64px;
}

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--bg-base);
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* Atmospheric noise + grain layered behind everything */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 10%, rgba(124,58,237,0.10), transparent 50%),
    radial-gradient(ellipse 60% 50% at 90% 20%, rgba(6,214,160,0.06), transparent 50%),
    radial-gradient(ellipse 70% 60% at 50% 90%, rgba(247,37,133,0.07), transparent 50%);
}
body::after{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:1;opacity:0.25;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
}

/* Anchors and main content live above the atmospheric layers */
nav,main,footer,section{position:relative;z-index:2;}

a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* ────────── Typography helpers ────────── */
.eyebrow{
  font-family:var(--font-mono);
  font-size:0.72rem;
  letter-spacing:0.28em;
  text-transform:uppercase;
  color:var(--accent-violet);
  font-weight:600;
}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--text-primary);line-height:1.05;letter-spacing:-0.02em;}
h1{font-size:clamp(2.6rem, 7vw, 6rem);font-weight:900;}
h2{font-size:clamp(2rem, 4.5vw, 3.4rem);font-weight:800;}
h3{font-size:clamp(1.4rem, 2.4vw, 2rem);font-weight:700;}
.gradient-text{
  background:var(--brand-gradient);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  color:transparent;
  display:inline-block;
}

p{color:var(--text-secondary);font-size:1.02rem;line-height:1.75;}
p strong{color:var(--text-primary);font-weight:600;}

/* ────────── Buttons ────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;
  padding:0.85rem 1.6rem;border-radius:50px;
  font-family:var(--font-body);font-weight:700;font-size:0.92rem;
  letter-spacing:0.02em;text-decoration:none;cursor:pointer;
  border:1px solid transparent;transition:all 0.25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%);
  color:#fff;
  box-shadow:0 8px 28px var(--glow-violet);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px var(--glow-violet),0 0 60px var(--glow-violet);}
.btn-emerald{background:linear-gradient(135deg, #06d6a0 0%, #059669 100%);color:#021410;box-shadow:0 8px 28px var(--glow-emerald);}
.btn-emerald:hover{transform:translateY(-2px);box-shadow:0 14px 40px var(--glow-emerald),0 0 60px var(--glow-emerald);}
.btn-magenta{background:linear-gradient(135deg, #f72585 0%, #b3185f 100%);color:#fff;box-shadow:0 8px 28px var(--glow-magenta);}
.btn-ghost{background:transparent;color:var(--text-primary);border-color:var(--border-strong);}
.btn-ghost:hover{background:rgba(124,58,237,0.08);border-color:var(--accent-violet);}

/* Pulsing CTA */
.btn-pulse{animation:glowPulse 3s ease-in-out infinite;}
@keyframes glowPulse{
  0%,100%{box-shadow:0 0 20px var(--glow-violet);}
  50%{box-shadow:0 0 40px var(--glow-violet),0 0 80px var(--glow-violet);}
}

/* ────────── Cards ────────── */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:1.5rem;
  transition:transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:0 14px 40px rgba(124,58,237,0.15);}
.card-emerald:hover{border-color:rgba(6,214,160,0.5);box-shadow:0 14px 40px var(--glow-emerald);}
.card-magenta:hover{border-color:rgba(247,37,133,0.5);box-shadow:0 14px 40px var(--glow-magenta);}

/* ────────── Navigation (used by all pages) ────────── */
.cosmos-nav{
  position:sticky;top:0;left:0;right:0;z-index:900;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2rem;
  background:rgba(10,10,15,0.78);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--border);
}
.cosmos-nav .logo{
  display:flex;align-items:center;gap:0.6rem;
  font-family:var(--font-display);font-size:1.15rem;font-weight:800;
  color:var(--text-primary);
  letter-spacing:-0.01em;
}
.cosmos-nav .logo .star{font-size:1.1rem;animation:starSpin 22s linear infinite;display:inline-block;}
@keyframes starSpin{to{transform:rotate(360deg);}}
.cosmos-nav .logo b{
  background:var(--brand-gradient);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.cosmos-nav .links{display:flex;gap:1.6rem;align-items:center;}
.cosmos-nav .links a{
  font-size:0.86rem;font-weight:500;color:var(--text-secondary);
  transition:color 0.2s ease;position:relative;
}
.cosmos-nav .links a:hover{color:var(--text-primary);}
.cosmos-nav .links a.active{color:var(--text-primary);}
.cosmos-nav .links a.active::after{
  content:'';position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:var(--brand-gradient);border-radius:2px;
}
.cosmos-nav .actions{display:flex;align-items:center;gap:0.6rem;}
.cosmos-nav .ham{
  display:none;background:none;border:none;color:var(--text-primary);
  font-size:1.4rem;cursor:pointer;padding:0.3rem 0.5rem;
}
.cosmos-mobile{
  display:none;position:fixed;top:var(--nav-h);left:0;right:0;
  background:rgba(10,10,15,0.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  flex-direction:column;padding:1.5rem 2rem;gap:1rem;z-index:899;
}
.cosmos-mobile.open{display:flex;}
.cosmos-mobile a{
  font-size:1.05rem;font-weight:500;color:var(--text-primary);
  padding:0.5rem 0;border-bottom:1px solid var(--border);
}

@media (max-width:900px){
  .cosmos-nav .links{display:none;}
  .cosmos-nav .actions .btn-ghost{display:none;}
  .cosmos-nav .ham{display:block;}
}

/* ────────── Footer (used by all pages) ────────── */
.cosmos-footer{
  background:var(--bg-surface);
  border-top:1px solid var(--border);
  padding:4rem 2rem 2rem;
  margin-top:6rem;
}
.cosmos-footer .grid{
  max-width:var(--max);margin:0 auto;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:3rem;
}
.cosmos-footer h4{
  font-family:var(--font-body);font-size:0.78rem;font-weight:700;
  letter-spacing:0.18em;text-transform:uppercase;color:var(--text-muted);
  margin-bottom:1.2rem;
}
.cosmos-footer .col-brand .logo{
  font-family:var(--font-display);font-size:1.5rem;font-weight:800;
  color:var(--text-primary);margin-bottom:0.7rem;
}
.cosmos-footer .col-brand .logo b{
  background:var(--brand-gradient);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.cosmos-footer .col-brand p{font-size:0.92rem;color:var(--text-secondary);max-width:300px;}
.cosmos-footer ul{list-style:none;}
.cosmos-footer ul li{margin-bottom:0.7rem;}
.cosmos-footer ul a{
  font-size:0.92rem;color:var(--text-secondary);
  transition:color 0.2s;
}
.cosmos-footer ul a:hover{color:var(--accent-emerald);}
.cosmos-footer .bottom{
  max-width:var(--max);margin:3rem auto 0;padding-top:1.5rem;
  border-top:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;
  font-size:0.78rem;color:var(--text-muted);
}
.cosmos-footer .bottom .made{display:flex;align-items:center;gap:0.4rem;}
@media (max-width:768px){
  .cosmos-footer .grid{grid-template-columns:1fr 1fr;gap:2rem;}
  .cosmos-footer .col-brand{grid-column:1/-1;}
}

/* ────────── Hero blobs ────────── */
.blobs{position:absolute;inset:0;pointer-events:none;overflow:hidden;}
.blob{
  position:absolute;border-radius:50%;
  filter:blur(100px);opacity:0.18;
  animation:blobFloat 22s ease-in-out infinite;
  will-change:transform;
}
.blob-violet{width:560px;height:560px;background:#7c3aed;top:-15%;left:-10%;}
.blob-emerald{width:480px;height:480px;background:#06d6a0;bottom:-12%;right:-8%;animation-delay:-7s;}
.blob-magenta{width:380px;height:380px;background:#f72585;top:35%;right:18%;animation-delay:-14s;}
@keyframes blobFloat{
  0%,100%{transform:translate(0,0) scale(1);}
  33%{transform:translate(40px,-30px) scale(1.12);}
  66%{transform:translate(-30px,20px) scale(0.92);}
}

/* ────────── Section spacing ────────── */
section.cosmos{padding:6rem 2rem;}
section.cosmos > .inner{max-width:var(--max);margin:0 auto;}
section.cosmos > .inner-tight{max-width:var(--max-tight);margin:0 auto;}
@media (max-width:768px){
  section.cosmos{padding:4rem 1.2rem;}
}

/* ────────── 00-99 Dictionary grid ────────── */
.dict-grid{
  display:grid;
  grid-template-columns:repeat(10, minmax(0, 1fr));
  gap:8px;
  max-width:980px;
  margin:2rem auto 0;
}
.dict-cell{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px 6px;
  text-align:center;
  cursor:pointer;
  transition:all 0.3s ease;
  position:relative;
  overflow:hidden;
}
.dict-cell::before{
  content:'';position:absolute;inset:0;
  background:var(--brand-gradient);
  opacity:0;transition:opacity 0.3s;
  z-index:0;
}
.dict-cell > *{position:relative;z-index:1;}
.dict-cell:hover{
  transform:translateY(-4px);
  border-color:var(--accent-emerald);
  box-shadow:0 12px 30px var(--glow-emerald);
}
.dict-cell:hover::before{opacity:0.08;}
.dict-cell .num{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--text-muted);
}
.dict-cell .word{
  display:block;
  font-size:13px;
  font-weight:700;
  color:var(--accent-emerald);
  margin-top:4px;
  font-family:var(--font-body);
}
/* Alternate accent colours by row position */
.dict-cell:nth-child(10n+1) .word,
.dict-cell:nth-child(10n+2) .word{color:var(--accent-violet);}
.dict-cell:nth-child(10n+5) .word,
.dict-cell:nth-child(10n+6) .word{color:var(--accent-magenta);}
.dict-cell:nth-child(10n+9) .word,
.dict-cell:nth-child(10n) .word{color:var(--accent-gold);}

@media (max-width:680px){
  .dict-grid{grid-template-columns:repeat(5, minmax(0, 1fr));}
}

/* ────────── Pricing cards ────────── */
.pricing-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem;
  max-width:var(--max);margin:3rem auto 0;
}
.price-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:2.5rem 2rem;
  position:relative;
  transition:all 0.3s ease;
}
.price-card.featured{
  border-color:transparent;
  background:
    linear-gradient(var(--bg-card),var(--bg-card)) padding-box,
    var(--brand-gradient) border-box;
  border:2px solid transparent;
  box-shadow:0 20px 60px rgba(124,58,237,0.18);
}
.price-card .badge-popular{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--accent-magenta);color:#fff;
  padding:0.3rem 1rem;border-radius:50px;
  font-size:0.7rem;font-weight:800;letter-spacing:0.12em;
  text-transform:uppercase;
}
.price-card h3{font-size:1.4rem;margin-bottom:0.4rem;}
.price-card .price{
  font-family:var(--font-display);font-size:3rem;font-weight:900;
  color:var(--text-primary);margin:0.4rem 0;line-height:1;
}
.price-card .price small{font-size:1.2rem;color:var(--text-secondary);font-weight:500;}
.price-card .price-period{font-size:0.85rem;color:var(--text-muted);margin-bottom:1.5rem;}
.price-card ul{list-style:none;margin:1.5rem 0;}
.price-card ul li{
  font-size:0.9rem;color:var(--text-secondary);
  padding:0.5rem 0;display:flex;align-items:center;gap:0.5rem;
}
.price-card ul li::before{content:'✓';color:var(--accent-emerald);font-weight:800;}
.price-card ul li.off{color:var(--text-muted);text-decoration:line-through;}
.price-card ul li.off::before{content:'×';color:var(--text-muted);}

@media (max-width:900px){.pricing-grid{grid-template-columns:1fr;}}

/* ────────── Reduced motion ────────── */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.01ms !important;
    scroll-behavior:auto !important;
  }
}