/* Modularis Agents Brand System v2 — direction "closer", LIGHT mode default.
   v2 updates (2026-06-01):
     - Accent: brighter Modularis green #00E676 (matches wizard/dashboard/admin/Pro)
     - Fonts:  Space Grotesk + Instrument Serif (replacing Plus Jakarta + Playfair)
   Single source of truth — design-system.css y portal.html heredan de acá.
   Marker: brand_tokens_v2_2026-06-01
*/

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Brand direction CLOSER — Modularis green v2 (bright) */
  --brand-accent:       #00E676;   /* primary CTA, suggested badges */
  --brand-accent-2:     #A8FF6B;   /* highlights / glow */
  --brand-accent-hover: #00C766;
  --brand-accent-ink:   #0A0A0A;   /* texto sobre el accent (ink dark) */

  /* LIGHT mode (default) */
  --brand-ink:      #0A0A0A;
  --brand-paper:    #FFFFFF;
  --ink-1:          #0A0A0A;
  --ink-2:          rgba(10,10,10,.7);
  --ink-3:          rgba(10,10,10,.5);
  --surface-0:      #F8F7F4;
  --surface-1:      #FFFFFF;
  --surface-2:      #F1EFEA;
  --surface-ink:    #0A0A0A;
  --line:           rgba(10,10,10,.08);
  --line-strong:    rgba(10,10,10,.15);

  /* Fonts — Modularis v2 */
  --font-display: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --font-serif:   "Instrument Serif", "Georgia", serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

/* Inversión local para zonas dark intencionales en light mode:
   cualquier elemento con fondo --brand-ink / #000 debe pintar su contenido con ink claros. */
.card.dark, .section.dark, .stack-section, .proof-dark, .final-section, .footer,
.cash-close, .proposal-card, .case-stat-big, .case-avatar,
.price-card, .price-total,
[data-invert="true"] {
  --ink-1: #F5F4EF;
  --ink-2: rgba(245,244,239,.78);
  --ink-3: rgba(245,244,239,.55);
  --line: rgba(255,255,255,.10);
  --line-strong: rgba(255,255,255,.18);
  --surface-1: #1C1C1C;
  --surface-2: #141414;
  color: var(--ink-1);
}

/* Re-inversión: tarjetas/elementos LIGHT anidados dentro de un dark container
   deben volver a usar ink dark sobre su propio fondo claro. */
.stack-section .card,
.stack-section .stack-secondary,
.stack-section .stack-target,
.final-section .card,
.proof-dark .card {
  --ink-1: #0A0A0A;
  --ink-2: rgba(10,10,10,.7);
  --ink-3: rgba(10,10,10,.5);
  --line: rgba(10,10,10,.08);
  --line-strong: rgba(10,10,10,.15);
  --surface-1: #F8F7F4;
  --surface-2: #F1EFEA;
  color: var(--ink-1);
}

/* Dark mode opt-in (futuro toggle) */
[data-theme="dark"] {
  --brand-accent:   #00E676;
  --brand-accent-2: #A8FF6B;
  --brand-accent-ink: #0A0A0A;
  --brand-ink:   #0A0A0A;
  --brand-paper: #F5F4EF;
  --ink-1: #F5F4EF;
  --ink-2: rgba(245,244,239,.72);
  --ink-3: rgba(245,244,239,.48);
  --surface-0: #0A0A0A;
  --surface-1: #141414;
  --surface-2: #1C1C1C;
  --surface-ink: #000000;
  --line: rgba(255,255,255,.08);
  --line-strong: rgba(255,255,255,.15);
}

* , *::before , *::after { box-sizing: border-box; }
html , body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  background: var(--surface-0);
  color: var(--ink-1);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
::selection { background: var(--brand-accent); color: var(--brand-accent-ink); }

/* Emoji stack: nativos en cada plataforma */
.emoji, .chat-bubble {
  font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",
               "EmojiOne Color","Android Emoji", emoji, var(--font-display), system-ui, sans-serif;
}

/* Typography */
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0; font-weight: 600; }
h1 { font-size: clamp(48px, 7vw, 104px); letter-spacing: -0.045em; line-height: 0.94; }
h2 { font-size: clamp(36px, 5vw, 64px); letter-spacing: -0.035em; line-height: 0.98; }
h2.compact { font-size: clamp(34px, 4.5vw, 56px); }
h2.final-cta { font-size: clamp(40px, 6vw, 88px); letter-spacing: -0.04em; }
h3 { font-size: 22px; letter-spacing: -0.02em; }
h4 { font-size: 17px; letter-spacing: -0.018em; }
p { margin: 0; }
em.accent { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--brand-accent); }

/* Containers */
.container { max-width: 1320px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px); }
.container.narrow { max-width: 1080px; }

/* CTAs */
.cta-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 22px;
  background: var(--brand-accent);
  color: var(--brand-accent-ink);
  font-family: var(--font-display);
  font-size: 15.5px; font-weight: 600;
  border-radius: 10px;
  border: 0;
  letter-spacing: -0.005em;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 8px 24px -8px color-mix(in oklab, var(--brand-accent) 60%, transparent);
}
.cta-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px -8px color-mix(in oklab, var(--brand-accent) 70%, transparent);
}
.cta-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 15px 22px;
  background: var(--surface-1);
  color: var(--ink-1);
  font-family: var(--font-display);
  font-size: 15.5px; font-weight: 500;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  letter-spacing: -0.005em;
  transition: background .15s, transform .15s;
}
.cta-secondary:hover { background: var(--surface-2); transform: translateY(-1px); }

/* Tags / pills / kickers */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.tag.accent {
  background: color-mix(in oklab, var(--brand-accent) 12%, transparent);
  border-color: color-mix(in oklab, var(--brand-accent) 30%, transparent);
  color: var(--brand-accent);
}
.kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 14px;
}

/* Cards */
.card {
  background: var(--surface-1);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  transition: transform .2s, border-color .2s, background .2s;
}
.card:hover { transform: translateY(-2px); border-color: var(--line-strong); }
.card.dark { background: var(--brand-ink); border-color: transparent; box-shadow: 0 30px 80px -20px rgba(0,0,0,.4); }
.card.compact { padding: 18px; border-radius: 12px; }

/* Pulse dot */
.dot-pulse {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--brand-accent);
  border-radius: 50%;
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand-accent) 30%, transparent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand-accent) 30%, transparent); }
  50%      { box-shadow: 0 0 0 6px color-mix(in oklab, var(--brand-accent) 0%, transparent); }
}

/* Animations */
@keyframes bubbleIn {
  from { opacity: 0; transform: translateY(6px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes typingDot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-2px); }
}
@keyframes floatIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes hover {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
@keyframes archFadeIn {
  from { opacity: 0; transform: translateX(-4px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Nav */
.nav-sticky {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--surface-0) 80%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; padding: 14px 0;
}
.nav-links {
  display: flex; gap: 32px; align-items: center;
  font-family: var(--font-display); font-size: 14.5px; font-weight: 500;
  color: var(--ink-2);
}
.nav-links a { transition: color .15s; }
.nav-links a:hover { color: var(--ink-1); }
@media (max-width: 920px) { .nav-links { display: none; } }

/* Section padding */
.section { padding: 88px 0; }
.section.hero { padding: 32px 0 64px; }
.section.compact { padding: 80px 0; }
.section.final-cta { padding: 96px 0; }

/* Grid utility */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }

/* Footer */
.footer {
  background: var(--brand-ink);
  padding: 60px 0 40px;
  color: var(--ink-2);
  border-top: 1px solid var(--line);
}
.footer h4 {
  font-family: var(--font-mono); font-size: 11.5px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 16px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-grid a { display: block; color: var(--ink-2); font-size: 14px; padding: 4px 0; transition: color .15s; }
.footer-grid a:hover { color: var(--ink-1); }
@media (max-width: 920px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* Skip link a11y */
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: 16px; top: 16px;
  background: var(--brand-accent); color: var(--brand-accent-ink);
  padding: 12px 16px; border-radius: 10px;
  font-family: var(--font-display); font-weight: 600;
  z-index: 100;
}

/* Forms (para signup + portal) */
.input, .select, .textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink-1);
  background: var(--surface-1);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  padding: 12px 16px;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand-accent) 25%, transparent);
}
.input::placeholder { color: var(--ink-3); }
.label {
  display: block;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-3); margin-bottom: 8px;
}

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}