/* ═══════════════════════════════════════════════════════════════════
   MIND SUMMIT 2026 — V2 Complete Redesign
   This file is the single source of truth for the new visual identity.
   Loads last → highest cascade priority on every rule.
   ═══════════════════════════════════════════════════════════════════ */

/* ── 0. DESIGN TOKENS ─────────────────────────────────────────── */
:root {
  /* Dark surfaces */
  --v2-bg-0: #05080F;   /* deepest — hero, footer */
  --v2-bg-1: #060E1C;   /* section dark */
  --v2-bg-2: #0B1527;   /* card on dark */
  --v2-bg-3: #101E34;   /* elevated card on dark */

  /* Light surfaces */
  --v2-white:   #FFFFFF;
  --v2-off:     #F5F9FF;
  --v2-off-2:   #EBF4FF;

  /* Brand */
  --v2-cyan:    #00E5FF;
  --v2-green:   #00FF88;
  --v2-blue:    #1B5FEF;
  --v2-teal:    #1ECBB0;
  --v2-purple:  #7C3AED;
  --v2-amber:   #F59E0B;

  /* Ink */
  --v2-ink:     #050D1A;
  --v2-ink-70:  rgba(5,13,26,.70);
  --v2-ink-50:  rgba(5,13,26,.50);
  --v2-ink-20:  rgba(5,13,26,.20);
  --v2-ink-10:  rgba(5,13,26,.10);
  --v2-ink-06:  rgba(5,13,26,.06);

  /* On-dark text */
  --v2-lit:     rgba(255,255,255,.92);
  --v2-lit-60:  rgba(255,255,255,.60);
  --v2-lit-30:  rgba(255,255,255,.30);
  --v2-lit-12:  rgba(255,255,255,.12);
  --v2-lit-06:  rgba(255,255,255,.06);
  --v2-lit-04:  rgba(255,255,255,.04);

  /* Shadows */
  --v2-s1: 0 1px 3px rgba(5,13,26,.06), 0 1px 2px rgba(5,13,26,.04);
  --v2-s2: 0 4px 12px rgba(5,13,26,.08), 0 1px 4px rgba(5,13,26,.04);
  --v2-s3: 0 12px 32px rgba(5,13,26,.10), 0 4px 12px rgba(5,13,26,.05);
  --v2-s4: 0 24px 60px rgba(5,13,26,.12), 0 8px 24px rgba(5,13,26,.06);
  --v2-s5: 0 40px 96px rgba(5,13,26,.15), 0 12px 32px rgba(5,13,26,.07);
  --v2-s-glow: 0 0 40px rgba(0,229,255,.14), 0 0 80px rgba(0,229,255,.07);

  /* Radii */
  --v2-r1: 8px;  --v2-r2: 12px; --v2-r3: 16px;
  --v2-r4: 20px; --v2-r5: 28px; --v2-r6: 40px;

  /* Motion */
  --v2-ease:      cubic-bezier(0.16, 1, 0.3, 1);
  --v2-ease-back: cubic-bezier(0.34, 1.56, 0.64, 1);
  --v2-ease-io:   cubic-bezier(0.76, 0, 0.24, 1);

  /* Spacing */
  --v2-py:    clamp(88px, 11vw, 144px);
  --v2-py-sm: clamp(60px,  8vw,  96px);
  --v2-px:    clamp(20px,  5vw,  80px);
}

/* ── 1. GLOBAL FOUNDATION ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden !important;
  background: var(--v2-bg-0) !important;
}

::selection { background: rgba(0,229,255,.20); color: #050D1A; }

:focus-visible {
  outline: 2px solid var(--v2-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ── 2. SECTION TAG — UNIFIED SYSTEM ──────────────────────────── */
.section-tag,
.innovahub__tag,
[class*="section-tag"] {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  letter-spacing: .12em !important;
  text-transform: uppercase !important;
  padding: 6px 14px !important;
  border-radius: 999px !important;
  margin-bottom: 20px !important;
  transition: transform .22s var(--v2-ease-back) !important;
}

/* Light section variant (default) */
.section-tag {
  background: rgba(0,229,255,.07) !important;
  color: #008BA8 !important;
  border: 1px solid rgba(0,229,255,.22) !important;
}

/* Dark section variant */
.dark-section .section-tag,
#innovation-hub .section-tag,
#innovation-hub .innovahub__tag,
.innovahub__tag {
  background: rgba(0,229,255,.08) !important;
  color: var(--v2-cyan) !important;
  border: 1px solid rgba(0,229,255,.24) !important;
}

/* ── 3. NAV ────────────────────────────────────────────────────── */
.nav {
  transition:
    background .4s ease,
    box-shadow  .4s ease,
    border-color .4s ease !important;
}
.nav.scrolled {
  background: rgba(7, 20, 33, 0.85) !important;
  box-shadow: 0 4px 24px rgba(0,0,0,.20) !important;
}

/* ── 4. HERO ────────────────────────────────────────────────────── */
#hero,
.hero--singularity,
.hero--summit {
  background: var(--v2-bg-0) !important;
  position: relative !important;
}

/* Ambient gradient overlays */
#hero::after,
.hero--singularity::after {
  content: '' !important;
  position: absolute !important;
  inset: 0 !important;
  z-index: 2 !important;
  pointer-events: none !important;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(0,229,255,.06), transparent 58%),
    radial-gradient(ellipse 50% 70% at 80% 10%, rgba(27,95,239,.07), transparent 55%),
    radial-gradient(ellipse 60% 40% at 50% 95%, rgba(0,255,136,.05), transparent 52%);
}

/* Hero headline */
.hero__tagline,
[class*="hero__heading"],
[class*="hero__title"] {
  font-weight: 800 !important;
  line-height: 1.02 !important;
  letter-spacing: -.025em !important;
}

/* Gradient text on accent words */
.hero__gradient-text,
[class*="text--gradient"],
[class*="text-gradient"] {
  background: linear-gradient(135deg, var(--v2-cyan) 0%, var(--v2-green) 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

/* Hero pills / meta badges */
.hero__badge,
.hero__meta-item,
.hero-fact,
[class*="hero__pill"] {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  padding: 8px 16px !important;
  background: var(--v2-lit-06) !important;
  border: 1px solid var(--v2-lit-12) !important;
  border-radius: 999px !important;
  backdrop-filter: blur(16px) saturate(1.3) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--v2-lit) !important;
  transition: background .2s ease, transform .22s var(--v2-ease-back) !important;
}
.hero__badge:hover,
.hero__meta-item:hover,
.hero-fact:hover {
  background: var(--v2-lit-12) !important;
  transform: translateY(-2px) !important;
}

/* CTA button */
.btn--primary,
.hero__btn-primary,
[class*="btn--primary"] {
  transition:
    transform .25s var(--v2-ease),
    box-shadow .25s ease !important;
}
.btn--primary:hover,
.hero__btn-primary:hover,
[class*="btn--primary"]:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 20px 48px rgba(5,13,26,.24) !important;
}

/* ── 5. SOBRE ───────────────────────────────────────────────────── */
#sobre,
.sobre-purpose {
  background: var(--v2-white) !important;
  border-top: 1px solid var(--v2-ink-10) !important;
  border-bottom: 1px solid var(--v2-ink-10) !important;
}

/* Stats / numbers in sobre */
[class*="stat__num"],
[class*="stat-num"],
[class*="sobre__num"],
.purpose-stat,
.sobre__stat {
  font-weight: 800 !important;
  background: linear-gradient(135deg, var(--v2-blue), var(--v2-teal)) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}

/* ── 6. EJES ────────────────────────────────────────────────────── */
#ejes,
.ejes-section,
[class*="ejes"] {
  background: var(--v2-off) !important;
}

.eje-card-unsa {
  background: var(--v2-white) !important;
  border: 1px solid var(--v2-ink-10) !important;
  border-radius: var(--v2-r4) !important;
  box-shadow: var(--v2-s1) !important;
  overflow: hidden !important;
  transition:
    transform .4s var(--v2-ease),
    box-shadow .4s ease !important;
}
.eje-card-unsa:hover {
  transform: translateY(-8px) !important;
  box-shadow: var(--v2-s4) !important;
}
.card-img-bg {
  transition: transform .5s var(--v2-ease) !important;
}
.eje-card-unsa:hover .card-img-bg {
  transform: scale(1.06) !important;
}

.subtopic-chip {
  cursor: default !important;
  transition: transform .22s var(--v2-ease-back) !important;
}
.subtopic-chip:hover {
  transform: translateY(-3px) !important;
}

/* ── 7. SPEAKERS ────────────────────────────────────────────────── */
#speakers,
.speakers-section {
  background: var(--v2-white) !important;
}

.speaker-card {
  background: var(--v2-white) !important;
  border: 1px solid var(--v2-ink-10) !important;
  border-radius: var(--v2-r3) !important;
  box-shadow: var(--v2-s1) !important;
  transition: transform .35s var(--v2-ease), box-shadow .35s ease !important;
}
.speaker-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: var(--v2-s4) !important;
}

/* ── 8. AGENDA ──────────────────────────────────────────────────── */
#agenda,
.agenda--engine {
  background: var(--v2-off) !important;
}

/* Day nav buttons */
.agenda__day-btn,
[class*="day-btn"],
[class*="agenda__tab"] {
  border-radius: var(--v2-r1) !important;
  font-weight: 700 !important;
  transition: all .25s var(--v2-ease) !important;
}
.agenda__day-btn.active,
[class*="agenda__tab"].active {
  background: var(--v2-ink) !important;
  color: var(--v2-white) !important;
}

/* Activity cards */
[class*="activity"],
.agenda__step,
.agenda__session,
[class*="agenda-card"] {
  background: var(--v2-white) !important;
  border: 1px solid var(--v2-ink-10) !important;
  border-radius: var(--v2-r3) !important;
  box-shadow: var(--v2-s1) !important;
  transition: transform .3s var(--v2-ease), box-shadow .3s ease !important;
}
[class*="activity"]:hover,
.agenda__step:hover,
.agenda__session:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--v2-s3) !important;
}

/* ── 9. INNOVA HUB — BENTO DARK ─────────────────────────────── */
#innovation-hub,
.innovation-hub,
.innovation-hub.innovahub {
  background: var(--v2-bg-1) !important;
  padding-top: var(--v2-py) !important;
  padding-bottom: var(--v2-py) !important;
  padding-left: var(--v2-px) !important;
  padding-right: var(--v2-px) !important;
  position: relative !important;
  overflow: hidden !important;
  /* Subtle ambient grid glow */
  background-image:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(0,229,255,.04), transparent 55%),
    radial-gradient(ellipse 50% 70% at 15% 80%, rgba(0,255,136,.03), transparent 55%) !important;
}

/* Dark section headings */
.innovahub__title {
  font-weight: 800 !important;
  color: var(--v2-lit) !important;
  text-shadow: none !important;
}
.innovahub__title span {
  background: linear-gradient(135deg, var(--v2-cyan) 0%, var(--v2-green) 100%) !important;
  -webkit-background-clip: text !important;
  background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
}
.innovahub__lead {
  color: var(--v2-lit-60) !important;
}

/* ── BENTO GRID ── */
.bento-header {
  max-width: 680px;
  margin: 0 auto clamp(36px, 5vw, 60px);
  text-align: center;
}
.bento-header h2 {
  font-family: 'Clash Display', 'Montserrat', sans-serif;
  font-size: clamp(32px, 4.5vw, 62px);
  font-weight: 800;
  color: var(--v2-lit);
  line-height: 1.04;
  margin: 10px 0 16px;
  letter-spacing: -.025em;
}
.bento-header h2 span {
  background: linear-gradient(135deg, var(--v2-cyan) 0%, var(--v2-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.bento-header p {
  font-size: clamp(15px, 1.1vw, 18px);
  color: var(--v2-lit-60);
  line-height: 1.65;
  max-width: 520px;
  margin: 0 auto;
}

.bento-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  grid-template-rows: minmax(240px, 1fr) minmax(180px, 1fr);
  gap: 14px;
  max-width: 1280px;
  margin: 0 auto;
}

/* ── BENTO CARD BASE ── */
.bento-card {
  position: relative;
  background: var(--v2-bg-2);
  border: 1px solid var(--v2-lit-12);
  border-radius: var(--v2-r4);
  overflow: hidden;
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition:
    transform   .35s var(--v2-ease),
    border-color .35s ease,
    box-shadow  .35s ease;
}

/* Ambient glow from event color — bottom-left radial */
.bento-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 120% 100% at 0% 110%,
    rgba(var(--cr, 0,229,255), .12),
    transparent 65%
  );
  pointer-events: none;
  transition: opacity .4s ease;
  z-index: 0;
}
.bento-card:hover::before { opacity: 1.8; }

/* Hover lift + border glow */
.bento-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--cr, 0,229,255), .32);
  box-shadow:
    0 20px 56px rgba(0,0,0,.26),
    0 0 0 1px rgba(var(--cr, 0,229,255), .18);
}

/* Color bar top */
.bento-card__bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c, var(--v2-cyan));
  border-radius: var(--v2-r4) var(--v2-r4) 0 0;
}

/* Card body — above the ::before pseudo */
.bento-card__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Category label */
.bento-card__cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .10em;
  text-transform: uppercase;
  color: var(--c, var(--v2-cyan));
  margin-bottom: 10px;
}

/* Event title */
.bento-card__title {
  font-family: 'Clash Display', 'Montserrat', sans-serif;
  font-weight: 800;
  color: var(--v2-lit);
  line-height: 1.1;
  margin: 0 0 10px;
}
.bento-card--featured .bento-card__title {
  font-size: clamp(22px, 2.6vw, 36px);
  margin-bottom: 14px;
}
.bento-card:not(.bento-card--featured) .bento-card__title {
  font-size: clamp(15px, 1.5vw, 22px);
}

/* Description */
.bento-card__desc {
  color: var(--v2-lit-60);
  line-height: 1.62;
  margin-bottom: 18px;
}
.bento-card--featured .bento-card__desc { font-size: 15px; max-width: 400px; }
.bento-card:not(.bento-card--featured) .bento-card__desc { font-size: 13px; }

/* Meta chips */
.bento-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.bento-card__chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  background: var(--v2-lit-06);
  border: 1px solid var(--v2-lit-12);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--v2-lit-60);
}
.bento-card__chip svg {
  width: 11px; height: 11px;
  fill: var(--c, var(--v2-cyan));
  flex-shrink: 0;
}

/* Featured card spans both rows */
.bento-card--featured {
  grid-column: 1;
  grid-row: 1 / 3;
  padding: 36px 38px;
  justify-content: flex-end;
}

/* Featured card top illustration / icon area */
.bento-card--featured .bento-card__icon {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: rgba(var(--cr, 0,193,212), .12);
  border: 1px solid rgba(var(--cr, 0,193,212), .22);
  border-radius: var(--v2-r2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c, var(--v2-cyan));
  z-index: 1;
}
.bento-card--featured .bento-card__icon svg {
  width: 24px; height: 24px;
  fill: currentColor;
}

/* Number of stats badge on featured card */
.bento-card__stats {
  display: flex;
  gap: 16px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--v2-lit-12);
}
.bento-card__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.bento-card__stat-val {
  font-family: 'Clash Display', 'Montserrat', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--v2-lit);
  line-height: 1;
}
.bento-card__stat-lbl {
  font-size: 11px;
  color: var(--v2-lit-30);
  text-transform: uppercase;
  letter-spacing: .06em;
}

/* ── 10. PRECIOS ─────────────────────────────────────────────── */
#precios,
.passes-section {
  background: var(--v2-white) !important;
}

.pass-card,
.pass-selector__card,
[class*="pass-card"] {
  border-radius: var(--v2-r3) !important;
  background: var(--v2-white) !important;
  transition:
    transform   .35s var(--v2-ease),
    box-shadow  .35s ease !important;
  cursor: pointer !important;
}
.pass-card:hover,
.pass-selector__card:hover,
[class*="pass-card"]:hover {
  transform: translateY(-8px) scale(1.015) !important;
  box-shadow: var(--v2-s4) !important;
}

.passes__primary,
.passes__btn--primary,
[class*="passes__primary"] {
  transition:
    transform .25s var(--v2-ease),
    box-shadow .25s ease !important;
}
.passes__primary:not(:disabled):hover,
.passes__btn--primary:not(:disabled):hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--v2-s-glow) !important;
}

/* ── 11. ALIANZAS ────────────────────────────────────────────── */
#alianzas,
.strategic-alliances {
  background: var(--v2-off) !important;
}

.alliance-logo-card {
  border-radius: var(--v2-r2) !important;
  background: var(--v2-white) !important;
  border: 1px solid var(--v2-ink-10) !important;
  box-shadow: var(--v2-s1) !important;
  transition:
    transform .3s var(--v2-ease),
    box-shadow .3s ease !important;
}
.alliance-logo-card:hover {
  transform: translateY(-4px) !important;
  box-shadow: var(--v2-s3) !important;
}

/* Alliance stats */
.alliances__stat,
[class*="alliances__stat"],
[class*="alliance__stat"] {
  transition: transform .3s var(--v2-ease-back) !important;
}
.alliances__stat:hover,
[class*="alliances__stat"]:hover {
  transform: translateY(-3px) !important;
}

/* Sponsors-soon block */
.alliance-sponsors-soon {
  border-radius: var(--v2-r3) !important;
  border: 1.5px dashed var(--v2-ink-20) !important;
  background: var(--v2-white) !important;
  transition: background .25s ease, border-color .25s ease !important;
}
.alliance-sponsors-soon:hover {
  background: var(--v2-off) !important;
  border-color: rgba(0,229,255,.35) !important;
}

/* ── 12. FOOTER ──────────────────────────────────────────────── */
.footer,
footer {
  background: var(--v2-bg-0) !important;
  border-top: 1px solid var(--v2-lit-12) !important;
  color: var(--v2-lit-60) !important;
}
.footer__copy,
[class*="footer__copy"] {
  color: var(--v2-lit-30) !important;
}
.footer__back,
[class*="footer__back"] {
  color: var(--v2-lit-60) !important;
  transition: color .2s ease !important;
}
.footer__back:hover { color: var(--v2-lit) !important; }

/* ── 13. SCROLL PROGRESS BAR ─────────────────────────────────── */
.scroll-progress,
#scrollProgress {
  height: 2px !important;
  background: linear-gradient(90deg, var(--v2-cyan), var(--v2-green)) !important;
  box-shadow: 0 0 10px rgba(0,229,255,.4) !important;
}

/* ── 14. SCROLL REVEAL SYSTEM ────────────────────────────────── */
/* Extends premium.css reveal system with dark-section awareness */
#innovation-hub [data-reveal="up"]:not(.is-visible) {
  transform: translateY(36px);
}
#innovation-hub [data-reveal].is-visible {
  opacity: 1 !important;
  transform: none !important;
}

/* Bento grid stagger animation */
.bento-grid.is-visible .bento-card:nth-child(1) { transition-delay:  40ms !important; }
.bento-grid.is-visible .bento-card:nth-child(2) { transition-delay: 100ms !important; }
.bento-grid.is-visible .bento-card:nth-child(3) { transition-delay: 140ms !important; }
.bento-grid.is-visible .bento-card:nth-child(4) { transition-delay: 180ms !important; }
.bento-grid.is-visible .bento-card:nth-child(5) { transition-delay: 220ms !important; }

.bento-grid [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s var(--v2-ease), transform .7s var(--v2-ease);
}
.bento-grid [data-reveal].is-visible {
  opacity: 1 !important;
  transform: none !important;
}

/* ── 15. KEYFRAME ANIMATIONS ─────────────────────────────────── */
@keyframes v2-float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-14px); }
}
@keyframes v2-pulse-ring {
  0%   { transform: scale(1); opacity: .6; }
  100% { transform: scale(1.8); opacity: 0; }
}
@keyframes v2-shimmer {
  from { background-position: 200% center; }
  to   { background-position: -200% center; }
}

/* ── 16. RESPONSIVE ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .bento-grid {
    grid-template-columns: 1fr 1fr !important;
    grid-template-rows: auto !important;
    min-height: 0 !important;
  }
  .bento-card--featured {
    grid-column: 1 / 3 !important;
    grid-row: 1 !important;
  }
  .bento-card--featured .bento-card__desc {
    max-width: 100% !important;
  }
}

@media (max-width: 768px) {
  .bento-grid {
    grid-template-columns: 1fr !important;
  }
  .bento-card--featured {
    grid-column: 1 !important;
    grid-row: 1 !important;
  }
  .bento-card {
    padding: 22px 20px !important;
    border-radius: var(--v2-r3) !important;
  }
  .bento-card--featured {
    padding: 26px 22px !important;
  }
}

@media (max-width: 480px) {
  .bento-card__stats {
    gap: 12px !important;
  }
  .bento-card__stat-val {
    font-size: 17px !important;
  }
}

/* ── 17. TOUCH DEVICES ───────────────────────────────────────── */
@media (hover: none) and (pointer: coarse) {
  .bento-card:hover,
  .eje-card-unsa:hover,
  .speaker-card:hover,
  .pass-card:hover,
  .alliance-logo-card:hover {
    transform: none !important;
    box-shadow: inherit !important;
  }
}

/* ── 18. REDUCED MOTION ──────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .bento-card,
  .eje-card-unsa,
  .speaker-card,
  .pass-card,
  .alliance-logo-card,
  .btn--primary {
    transition: none !important;
  }
  [data-reveal],
  [data-stagger] > *,
  .bento-grid [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}