@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700;800;900&family=Roboto:wght@300;400;500&display=swap');

/* ─── TOKENS — paleta oficial V Congreso FEDA 2026 ────── */
:root {
  /* Fondos — azul marino profundo, como en los artes */
  --black:  #07101e;
  --dark:   #0a1628;
  --dark2:  #0d1f3c;
  --dark3:  #112449;

  /* Azul medio para cards y capas */
  --blue-mid:  #1a3a6b;
  --blue-card: rgba(26,58,107,0.55);

  /* Dorado amarillo — el que se ve en los artes */
  --gold:   #f5c518;
  --gold2:  #f7d040;
  --gold3:  #fad96a;
  --gold-dim: rgba(245,197,24,0.15);
  --gold-border: rgba(245,197,24,0.3);

  /* Cian / teal — líneas y detalles de los artes */
  --cyan:   #00b4d8;
  --cyan2:  #0096c7;

  /* Texto */
  --white:  #ffffff;
  --off:    rgba(255,255,255,0.06);
  --border: rgba(245,197,24,0.2);
  --text:   rgba(255,255,255,0.88);
  --dim:    rgba(255,255,255,0.55);
  --dimmer: rgba(255,255,255,0.32);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 18px; }
body {
  font-family: 'Montserrat', sans-serif;
  background: var(--dark);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── YouTube embed ── */
.yt-wrap {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0,180,216,.35);
  box-shadow: 0 24px 64px rgba(0,0,0,.55), 0 0 0 1px rgba(26,58,107,.6);
  aspect-ratio: 16/9;
  position: relative;
}
.yt-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

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

/* ─── NAVBAR ──────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  height: 68px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px;
  transition: background .35s, box-shadow .35s;
}
.nav.solid {
  background: rgba(6, 8, 14, 0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(245,197,24,0.15);
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand .logo-congreso { height: 44px; object-fit: contain; mix-blend-mode: lighten; filter: brightness(1.15); }
.nav-brand .brand-sep { width: 1px; height: 28px; background: rgba(245,197,24,0.25); }
.nav-brand .logo-feda { height: 34px; object-fit: contain; mix-blend-mode: lighten; filter: brightness(1.15); }

.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links > li > a,
.nav-links > li > .ddtrig {
  display: block; padding: 7px 13px;
  color: var(--dim); font-size: 11px; font-weight: 700;
  letter-spacing: .07em; text-transform: uppercase;
  border-radius: 6px; cursor: pointer; white-space: nowrap;
  transition: color .2s, background .2s;
}
.nav-links > li > a:hover,
.nav-links > li > .ddtrig:hover { color: var(--gold2); background: rgba(245,197,24,.07); }

.nav-dd { position: relative; }
.nav-dd-menu {
  display: none; position: absolute; top: calc(100% + 6px); left: 0;
  background: rgba(7,16,30,.98); backdrop-filter: blur(16px);
  border: 1px solid var(--border); border-radius: 10px;
  min-width: 180px; overflow: hidden;
  box-shadow: 0 20px 48px rgba(0,0,0,.7);
}
.nav-dd:hover .nav-dd-menu { display: block; }
.nav-dd-menu a {
  display: block; padding: 11px 18px;
  color: var(--dim); font-size: 11px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  border-left: 2px solid transparent;
  transition: background .2s, color .2s, border-color .2s;
}
.nav-dd-menu a:hover { background: rgba(245,197,24,.07); color: var(--gold2); border-left-color: var(--gold); }

.btn-nav-cta {
  padding: 9px 22px; background: var(--gold); color: var(--black) !important;
  border-radius: 8px; font-weight: 800 !important; font-size: 11px !important;
  box-shadow: 0 4px 16px rgba(245,197,24,.35);
  transition: background .2s, transform .2s !important;
}
.btn-nav-cta:hover { background: var(--gold2) !important; transform: translateY(-1px); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.hamburger span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: all .3s; }

/* ─── GLOBAL BUTTONS ──────────────────────────────────── */
.btn {
  display: inline-block; font-family: 'Montserrat', sans-serif;
  font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  border: none; border-radius: 6px; cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
  text-align: center; font-size: 12px;
}
.btn:hover { transform: translateY(-2px); }

.btn-gold {
  padding: 14px 40px; background: var(--gold); color: var(--black);
  box-shadow: 0 6px 22px rgba(245,197,24,.35); font-weight: 800;
}
.btn-gold:hover { background: var(--gold2); box-shadow: 0 10px 32px rgba(245,197,24,.55); }

.btn-outline-gold {
  padding: 13px 36px; background: transparent; color: var(--gold);
  border: 1.5px solid var(--gold);
}
.btn-outline-gold:hover { background: rgba(245,197,24,.08); }

.btn-white {
  padding: 14px 40px; background: var(--white); color: var(--black);
  box-shadow: 0 6px 22px rgba(255,255,255,.12); font-weight: 800;
}
.btn-white:hover { background: #f0f0f0; }

/* ─── HERO ────────────────────────────────────────────── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column;
  overflow: hidden; background: var(--dark);
}
.hero-video {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0; opacity: .28;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to bottom,
    rgba(7,16,30,.65) 0%,
    rgba(10,22,40,.55) 40%,
    rgba(10,22,40,.88) 75%,
    rgba(7,16,30,1) 100%);
}

/* top info bar — like Fedexpor */
.hero-topbar {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center; gap: 0;
  border-bottom: 1px solid var(--border);
  background: rgba(10,22,40,.75);
  margin-top: 68px; /* navbar height */
}
.hero-topbar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 48px;
  font-size: 15px; font-weight: 700; color: var(--white);
  border-right: 1px solid var(--border);
}
.hero-topbar-item:last-child { border-right: none; }
.hero-topbar-icon {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1.5px solid var(--gold); display: flex; align-items: center;
  justify-content: center; font-size: 16px; color: var(--gold); flex-shrink: 0;
}

/* main hero content */
.hero-body {
  position: relative; z-index: 2; flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 48px 80px; text-align: center;
}
.hero-eyebrow {
  font-size: 10px; font-weight: 700; letter-spacing: .35em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 28px;
}
.hero-logo-wrap { margin-bottom: 24px; }
.hero-logo-img {
  max-width: 720px; width: 90%; margin: 0 auto;
  mix-blend-mode: lighten;
  filter: brightness(1.15) contrast(1.05);
}
.hero-tagline {
  font-size: clamp(11px,1.3vw,14px); font-weight: 300; font-family: 'Roboto', sans-serif;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--dim); margin-bottom: 40px;
}

/* mini countdown — like Fedexpor's date chips */
.hero-cd {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap; margin-bottom: 40px;
}
.cd-item {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
}
.cd-box {
  width: 68px; height: 68px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: rgba(245,197,24,.1); border-color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 900; color: var(--white);
}
.cd-lbl { font-size: 9px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--dimmer); }
.cd-sep { font-size: 28px; color: var(--gold); margin-bottom: 16px; opacity: .5; }

.hero-ctas { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* bottom org strip */
.hero-strip {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap;
  padding: 16px 48px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.5);
  font-size: 10.5px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--dimmer);
}
.hero-strip strong { color: rgba(255,255,255,.55); }
.hero-strip-pipe { width: 1px; height: 14px; background: var(--border); }

/* ─── SECTION BASE ────────────────────────────────────── */
.sec { padding: 88px 48px; }
.sec-inner { max-width: 1060px; margin: 0 auto; }
.sec-inner--narrow { max-width: 740px; margin: 0 auto; }
.sec-inner--mid { max-width: 880px; margin: 0 auto; }

.sec--black  { background: var(--dark); }
.sec--dark   { background: var(--dark2); }
.sec--dark2  { background: var(--dark3); }

.tc { text-align: center; }

/* eyebrow labels */
.eyebrow {
  font-size: 10px; font-weight: 700; letter-spacing: .32em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}

/* headings */
.h-xl { font-size: clamp(32px,5.5vw,68px); font-weight: 900; line-height: 1.08; }
.h-lg { font-size: clamp(26px,4vw,48px); font-weight: 800; line-height: 1.15; }
.h-md { font-size: clamp(22px,3vw,36px); font-weight: 800; line-height: 1.2; }
.h-sm { font-size: 18px; font-weight: 700; line-height: 1.3; }

.gold-text { color: var(--gold); }
.dim-text  { color: var(--dim); }

/* body text */
.body-lg { font-size: 16px; line-height: 1.9; color: var(--dim); font-family: 'Roboto', sans-serif; font-weight: 300; }
.body-lg strong { font-weight: 500; color: var(--white); }
.body-md { font-size: 14px; line-height: 1.8; color: var(--dim); font-family: 'Roboto', sans-serif; font-weight: 300; }

/* gold rule */
.rule { width: 40px; height: 2px; background: var(--gold); border-radius: 1px; }
.rule--center { margin: 0 auto; }

/* ─── ABOUT / INTRO SECTION ───────────────────────────── */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-text .body-lg { margin-top: 20px; }

/* photo mosaic — like Fedexpor */
.photo-mosaic {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 4px;
  border-radius: 12px; overflow: hidden;
}
.photo-mosaic-item {
  aspect-ratio: 4/3; background: var(--dark2);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  position: relative;
}
.photo-mosaic-item::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,.5) 100%);
}
.photo-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--dark2), var(--dark));
  font-size: 32px; color: rgba(245,197,24,.2);
}

/* ─── EJES TEMÁTICOS — gold circles like Fedexpor ────── */
.ejes-intro { font-size: 15px; color: var(--dim); line-height: 1.8; text-align: center; max-width: 700px; margin: 0 auto 56px; font-family: 'Roboto', sans-serif; }
.ejes-intro strong { color: var(--white); font-weight: 500; }
.ejes-grid {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 40px;
}
.eje-item { display: flex; flex-direction: column; align-items: center; gap: 14px; width: 130px; }
.eje-circle {
  width: 90px; height: 90px; border-radius: 50%;
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 32px;
  background: rgba(245,197,24,.1); border-color: var(--gold);
  transition: background .3s, box-shadow .3s;
}
.eje-item:hover .eje-circle {
  background: rgba(245,197,24,.14);
  box-shadow: 0 0 24px rgba(245,197,24,.25);
}
.eje-label { font-size: 12px; font-weight: 700; text-align: center; color: var(--white); line-height: 1.4; }

/* ─── NÚMEROS ─────────────────────────────────────────── */
.nums-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.num-block {
  padding: 56px 24px; text-align: center;
  border-right: 1px solid rgba(245,197,24,.14);
  background: var(--blue-card);
}
.num-block:last-child { border-right: none; }
.num-val { font-size: clamp(42px,6vw,72px); font-weight: 900; line-height: 1; color: var(--gold); margin-bottom: 8px; }
.num-lbl { font-size: 11px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--dimmer); }

/* ─── SPEAKERS ────────────────────────────────────────── */
.speakers-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 16px; margin-top: 48px; }
.speakers-grid + .speakers-grid { margin-top: 16px; }
.speaker-card {
  padding: 24px 16px; text-align: center;
  background: var(--blue-card); border: 1px solid rgba(245,197,24,.18);
  border-radius: 14px;
  transition: border-color .3s, transform .3s, background .3s;
}
.speaker-card:hover {
  border-color: var(--gold); transform: translateY(-4px);
  background: rgba(245,197,24,.1); border-color: var(--gold);
}
.sp-av {
  width: 100px; height: 100px; border-radius: 50%; margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(245,197,24,.25), rgba(26,58,107,.6));
  border: 2px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative; flex-shrink: 0;
}
/* Foto circular — sin distorsión, recorte centrado */
.sp-av img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
  display: block;
}
/* Fallback iniciales */
.sp-initials {
  width: 100%; height: 100%; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 900; color: var(--gold);
  background: linear-gradient(135deg, rgba(245,197,24,.2), rgba(26,58,107,.5));
}
.speaker-card h4 { font-size: 13px; font-weight: 700; color: var(--white); margin-bottom: 5px; line-height: 1.3; }
.speaker-card .sp-org { font-size: 10px; font-weight: 700; letter-spacing: .06em; color: var(--gold); margin-bottom: 5px; text-transform: uppercase; }
.speaker-card .sp-role { font-size: 11.5px; color: var(--dimmer); line-height: 1.55; }
.speakers-note { font-size: 11.5px; color: var(--dimmer); font-style: italic; text-align: center; margin-top: 24px; }

/* ─── AGENDA ──────────────────────────────────────────── */
.ag-list { display: flex; flex-direction: column; gap: 3px; margin-top: 40px; }
.ag-row {
  display: flex; gap: 24px; align-items: flex-start;
  padding: 20px 24px; border-radius: 10px;
  background: var(--blue-card); border: 1px solid rgba(245,197,24,.14);
  transition: border-color .25s, background .25s;
}
.ag-row:hover { border-color: rgba(245,197,24,.3); background: rgba(245,197,24,.04); }
.ag-time { font-size: 12px; font-weight: 700; color: var(--gold); letter-spacing: .08em; white-space: nowrap; min-width: 64px; padding-top: 3px; }
.ag-body { flex: 1; }
.ag-tag {
  display: inline-block; margin-bottom: 6px;
  padding: 2px 10px; border-radius: 20px; font-size: 9.5px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
}
.tag-open   { color: var(--gold); border: 1px solid rgba(245,197,24,.35); background: rgba(245,197,24,.08); }
.tag-panel  { color: #7aadff; border: 1px solid rgba(122,173,255,.3); background: rgba(122,173,255,.06); }
.tag-conf   { color: #6dd5c7; border: 1px solid rgba(109,213,199,.3); background: rgba(109,213,199,.06); }
.tag-break  { color: var(--dimmer); border: 1px solid rgba(255,255,255,.1); background: transparent; }
.tag-conv   { color: #d4a0ff; border: 1px solid rgba(180,100,255,.3); background: rgba(180,100,255,.06); }
.ag-speakers { font-size: 12px; color: var(--dimmer); margin-top: 6px; line-height: 1.7; }
.ag-speakers strong { color: var(--gold); font-weight: 600; }
.ag-body h4 { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 3px; }
.ag-body p  { font-size: 12.5px; color: var(--dim); line-height: 1.6; }
.ag-row.is-break { opacity: .55; }

/* ─── PRECIOS / INSCRIPCIÓN ───────────────────────────── */
.precios-block {
  text-align: center;
  padding: 64px 48px;
  border: 1px solid rgba(245,197,24,.28); border-radius: 20px;
  background: rgba(26,58,107,0.45);
  max-width: 640px; margin: 0 auto;
}
.precio-row { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin: 36px 0; }
.precio-col h4 { font-size: 14px; font-weight: 700; color: var(--gold); margin-bottom: 8px; letter-spacing: .08em; }
.precio-val { font-size: 48px; font-weight: 900; color: var(--white); line-height: 1; }
.precio-notes { list-style: disc; padding-left: 18px; text-align: left; margin: 24px 0 28px; }
.precio-notes li { font-size: 12px; color: var(--dim); line-height: 1.7; margin-bottom: 4px; }
.precio-payments {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  flex-wrap: wrap; margin-top: 24px;
}
.pay-badge {
  padding: 5px 12px; border-radius: 6px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
  font-size: 10px; font-weight: 700; letter-spacing: .06em; color: var(--dim);
}

/* ─── REGISTRO FORM ───────────────────────────────────── */
.reg-grid { display: grid; grid-template-columns: 1fr 1.35fr; gap: 64px; align-items: start; }
.reg-left h2 { font-size: clamp(24px,3.5vw,38px); font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.reg-left h2 span { color: var(--gold); }
.reg-left p { font-size: 14px; color: var(--dim); line-height: 1.85; font-family: 'Roboto',sans-serif; font-weight: 300; margin-bottom: 24px; }
.reg-perks { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.reg-perks li {
  display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--dim);
  padding: 10px 14px; border-radius: 8px;
  border: 1px solid rgba(245,197,24,.15); background: rgba(245,197,24,.03);
}
.reg-perks li::before {
  content: '✓'; width: 20px; height: 20px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(245,197,24,.12); border: 1px solid rgba(245,197,24,.3);
  color: var(--gold); font-size: 11px; font-weight: 700; flex-shrink: 0;
}
.form-card {
  background: rgba(13,31,60,0.95); border: 1px solid rgba(245,197,24,.22); border-radius: 18px;
  padding: 36px; box-shadow: 0 28px 72px rgba(0,0,0,.5);
}
.fg { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.f  { display: flex; flex-direction: column; gap: 6px; }
.f.full { grid-column: 1/-1; }
.f label { font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--dimmer); }
.f input, .f select {
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px; padding: 11px 14px;
  color: var(--white); font-family: 'Montserrat',sans-serif; font-size: 13px;
  outline: none; appearance: none;
  transition: border-color .2s, background .2s;
}
.f input:focus, .f select:focus { border-color: var(--gold); background: rgba(245,197,24,.06); }
.f input::placeholder { color: rgba(255,255,255,.2); }
.f select option { background: var(--dark2); color: #fff; }
.pt { font-size: 10px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--dimmer); margin: 18px 0 10px; }
.cg { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.ci {
  display: flex; align-items: center; gap: 9px; cursor: pointer;
  padding: 9px 12px; border-radius: 8px; font-size: 12px; color: var(--dim);
  border: 1px solid rgba(255,255,255,.09); transition: border-color .2s, background .2s;
}
.ci:hover { border-color: rgba(245,197,24,.35); background: rgba(245,197,24,.05); }
.ci input { width: 14px; height: 14px; accent-color: var(--gold); flex-shrink: 0; cursor: pointer; }
.consent-r {
  display: flex; align-items: flex-start; gap: 10px; margin: 18px 0;
  padding: 12px 14px; border-radius: 8px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.07);
}
.consent-r input { width: 15px; height: 15px; accent-color: var(--gold); flex-shrink: 0; margin-top: 2px; cursor: pointer; }
.consent-r p { font-size: 11px; color: var(--dimmer); line-height: 1.65; }
.btn-sub {
  width: 100%; padding: 15px; border: none; border-radius: 8px; cursor: pointer;
  font-family: 'Montserrat',sans-serif; font-size: 12px; font-weight: 800;
  letter-spacing: .18em; text-transform: uppercase;
  background: var(--gold); color: var(--black);
  box-shadow: 0 6px 24px rgba(245,197,24,.4);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn-sub:hover { background: var(--gold2); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(245,197,24,.55); }
.form-ok { display: none; text-align: center; padding: 48px 20px; }
.form-ok .ok-icon { font-size: 56px; color: var(--gold); margin-bottom: 18px; }
.form-ok h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.form-ok p { font-size: 14px; color: var(--dim); line-height: 1.7; }

/* ─── INSTITUCIONAL ───────────────────────────────────── */
.inst-cols { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 48px; }
.inst-col { text-align: center; padding: 28px 20px; border: 1px solid rgba(245,197,24,.12); border-radius: 14px; background: var(--off); }
.inst-col-lbl { font-size: 9px; font-weight: 700; letter-spacing: .28em; text-transform: uppercase; color: var(--gold); margin-bottom: 18px; }
.inst-names { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.inst-badge {
  padding: 8px 16px; border-radius: 6px;
  border: 1px solid rgba(245,197,24,.2); background: rgba(245,197,24,.05);
  font-size: 12px; font-weight: 700; color: var(--dim);
  transition: border-color .2s, color .2s;
}
.inst-badge:hover { border-color: var(--gold); color: var(--gold); }

/* ─── QUIÉNES ─────────────────────────────────────────── */
.who-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 9px; margin: 32px 0 40px; }
.who-tag {
  padding: 9px 18px; border-radius: 50px;
  background: var(--off); border: 1px solid rgba(245,197,24,.15);
  font-size: 12.5px; font-weight: 600; color: var(--dim);
  transition: border-color .2s, color .2s, background .2s;
}
.who-tag:hover { border-color: var(--gold); color: var(--gold); background: rgba(245,197,24,.06); }

/* ─── SPONSORS ────────────────────────────────────────── */
.sp-slots { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 40px 0; }
.sp-slot {
  width: 155px; height: 66px; border-radius: 10px;
  background: var(--blue-card); border: 1px solid rgba(245,197,24,.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255,255,255,.18);
  transition: border-color .3s, background .3s;
}
.sp-slot:hover { border-color: var(--gold); background: rgba(245,197,24,.06); }

/* ─── CONTACTO ────────────────────────────────────────── */
.contacto-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; margin-top: 40px; }
.contacto-card { text-align: center; }
.contacto-card .ciudad { font-size: 9.5px; font-weight: 700; letter-spacing: .28em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.contacto-card h4 { font-size: 16px; font-weight: 700; color: var(--white); margin-bottom: 4px; }
.contacto-card .cargo { font-size: 12px; color: var(--dimmer); margin-bottom: 10px; }
.contacto-card a { display: block; font-size: 12px; color: var(--dim); margin-bottom: 8px; transition: color .2s; }
.contacto-card a:hover { color: var(--gold); }
.contacto-card .tel {
  display: inline-block; margin-top: 4px;
  padding: 8px 18px; border-radius: 50px;
  border: 1px solid var(--border); font-size: 12px; font-weight: 700;
  color: var(--gold); background: rgba(245,197,24,.06);
}

/* ─── CIERRE ──────────────────────────────────────────── */
.closing {
  padding: 120px 48px; text-align: center;
  background: var(--dark); position: relative; overflow: hidden;
}
.closing::before {
  content: ''; position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(245,197,24,.04) 1px, transparent 1px);
  background-size: 28px 28px;
}
.closing::after {
  content: ''; position: absolute; bottom: -180px; left: 50%; transform: translateX(-50%);
  width: 700px; height: 450px; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(245,197,24,.1) 0%, transparent 70%);
}
.closing-inner { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.closing-q { font-size: clamp(28px,5vw,56px); font-weight: 900; line-height: 1.1; margin-bottom: 18px; }
.closing-q em { font-style: normal; color: var(--gold); }
.closing-sub { font-size: 16px; color: var(--dim); margin-bottom: 44px; font-family: 'Roboto',sans-serif; font-weight: 300; line-height: 1.8; }
.closing-info { margin-bottom: 40px; }
.closing-info strong { display: block; font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--dimmer); margin-bottom: 8px; font-weight: 700; }
.closing-info span { font-size: 15px; color: var(--dim); letter-spacing: .08em; }

/* ─── WA FLOAT ────────────────────────────────────────── */
.wa-btn {
  position: fixed; bottom: 28px; right: 28px; z-index: 800;
  width: 54px; height: 54px; border-radius: 50%; background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,.5); font-size: 26px;
  text-decoration: none; transition: transform .2s;
  animation: waPulse 2.5s ease-in-out infinite;
}
.wa-btn:hover { transform: scale(1.1); }

/* ─── FOOTER ──────────────────────────────────────────── */
.footer { background: #060e1a; border-top: 1px solid rgba(245,197,24,.12); padding: 52px 48px 28px; }
.footer-inner { max-width: 1060px; margin: 0 auto; }
.footer-top { display: flex; flex-wrap: wrap; gap: 48px; justify-content: space-between; margin-bottom: 36px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { height: 36px; mix-blend-mode: lighten; filter: brightness(1.15); opacity: .6; transition: opacity .2s; }
.footer-brand img:hover { opacity: 1; }
.footer-col h5 { font-size: 9.5px; font-weight: 700; letter-spacing: .25em; text-transform: uppercase; color: rgba(245,197,24,.45); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 12px; color: var(--dimmer); margin-bottom: 8px; transition: color .2s; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(245,197,24,.08); padding-top: 22px; text-align: center; font-size: 11px; color: rgba(255,255,255,.2); }
.footer-bottom strong { color: rgba(255,255,255,.38); }

/* ─── SCROLL REVEAL ───────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; } .d4 { transition-delay: .4s; }

/* ─── KEYFRAMES ───────────────────────────────────────── */
@keyframes waPulse { 0%,100%{box-shadow:0 6px 24px rgba(37,211,102,.5)}50%{box-shadow:0 6px 40px rgba(37,211,102,.8)} }
@keyframes cdBlink { 0%,100%{opacity:1}50%{opacity:.3} }

/* ─── RESPONSIVE ──────────────────────────────────────── */
@media(max-width:1024px){
  .about-grid { grid-template-columns:1fr; gap:48px; }
  .speakers-grid { grid-template-columns:repeat(3,1fr); }
  .nums-grid { grid-template-columns:repeat(2,1fr); }
  .num-block { border-right:none; border-bottom:1px solid rgba(245,197,24,.1); }
  .reg-grid { grid-template-columns:1fr; gap:48px; }
  .inst-cols { grid-template-columns:1fr; }
  .contacto-grid { grid-template-columns:repeat(2,1fr); }
}
@media(max-width:768px){
  .nav { padding:0 20px; }
  .nav-links { display:none; position:fixed; top:68px; left:0; right:0; background:rgba(7,16,30,.98); flex-direction:column; padding:20px; gap:4px; align-items:flex-start; border-top:1px solid var(--border); max-height:calc(100vh - 68px); overflow-y:auto; }
  .nav-links.open { display:flex; }
  .hamburger { display:flex; }
  .nav-dd:hover .nav-dd-menu { display:none; }
  .nav-dd.open .nav-dd-menu { display:block; position:static; box-shadow:none; border:none; background:rgba(255,255,255,.04); margin-left:12px; margin-top:4px; }
  .sec { padding:64px 24px; }
  .hero-body { padding:48px 24px 64px; }
  .hero-topbar-item { padding:14px 24px; font-size:13px; }
  .hero-strip { padding:14px 24px; }
  .fg,.cg { grid-template-columns:1fr; }
  .f.full { grid-column:1; }
  .speakers-grid { grid-template-columns:repeat(2,1fr); }
  .ejes-grid { gap:28px; }
  .eje-item { width:100px; }
  .eje-circle { width:72px; height:72px; font-size:26px; }
  .precio-row { grid-template-columns:1fr; gap:20px; }
  .closing { padding:80px 24px; }
  .footer { padding:44px 24px 24px; }
  .contacto-grid { grid-template-columns:1fr 1fr; }
  .hero-cd { gap:8px; }
  .cd-sep { display:none; }
  .cd-box { width:58px; height:58px; font-size:24px; }
}
@media(max-width:480px){
  .photo-mosaic { grid-template-columns:1fr 1fr; }
  .photo-mosaic-item:last-child { display:none; }
  .contacto-grid { grid-template-columns:1fr; }
  .speakers-grid { grid-template-columns:1fr 1fr; }
  .nums-grid { grid-template-columns:1fr 1fr; }
}

/* ─── LOGOS IMAGE ──────────────────────────────────── */
.logos-img-wrap {
  margin-top: 40px; padding: 0 20px;
}
.logos-img {
  max-width: 860px; width: 100%; margin: 0 auto;
  border-radius: 16px;
  filter: drop-shadow(0 8px 32px rgba(0,0,0,.5));
  transition: opacity .3s;
}

/* ─── PRECIOS NUEVO ────────────────────────────────── */
.precio-unico {
  text-align: center; margin-bottom: 32px;
}
.precio-unico-val {
  font-size: clamp(52px,8vw,88px); font-weight: 900; color: var(--white);
  line-height: 1; display: flex; align-items: flex-start; justify-content: center; gap: 8px;
}
.precio-iva {
  font-size: .28em; font-weight: 700; color: var(--gold);
  letter-spacing: .1em; align-self: flex-end; padding-bottom: .2em;
}
.precio-incluye {
  margin-bottom: 32px; text-align: left;
}
.precio-incluye-title {
  font-size: 10.5px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 14px;
}
.precio-incluye-list {
  list-style: none; display: flex; flex-direction: column; gap: 10px;
}
.precio-incluye-list li {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; color: var(--text);
  padding: 11px 16px; border-radius: 9px;
  background: rgba(245,197,24,.06); border: 1px solid rgba(245,197,24,.18);
}
.precio-incluye-list li svg {
  flex-shrink: 0; color: var(--gold);
}

/* ─── WA WIDGET ────────────────────────────────────── */
.wa-widget {
  position: fixed; bottom: 28px; right: 28px; z-index: 9000;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.wa-fab {
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 6px 24px rgba(37,211,102,.55);
  transition: transform .2s, box-shadow .2s;
  position: relative;
  animation: waPulse 2.5s ease-in-out infinite;
}
.wa-fab:hover { transform: scale(1.08); box-shadow: 0 10px 32px rgba(37,211,102,.7); }
.wa-notify {
  position: absolute; top: -2px; right: -2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #e74c3c; color: #fff;
  font-size: 10px; font-weight: 800; font-family: 'Montserrat', sans-serif;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--black);
}
.wa-bubble {
  display: none; /* shown via JS */
  width: 320px; border-radius: 16px; overflow: hidden;
  background: var(--dark2); border: 1px solid rgba(245,197,24,.2);
  box-shadow: 0 24px 64px rgba(0,0,0,.7);
  animation: bubbleIn .25s ease both;
}
.wa-bubble.open { display: block; }
@keyframes bubbleIn { from { opacity:0; transform:translateY(12px) scale(.96); } to { opacity:1; transform:none; } }
.wa-bubble-header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; background: #25D366;
}
.wa-bubble-avatar {
  width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.2);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden;
}
.wa-bubble-info { flex: 1; }
.wa-bubble-info strong { display: block; font-size: 13px; font-weight: 700; color: #fff; }
.wa-bubble-info span { font-size: 11px; color: rgba(255,255,255,.8); }
.wa-bubble-close {
  background: none; border: none; color: rgba(255,255,255,.8);
  font-size: 16px; cursor: pointer; padding: 2px 6px; border-radius: 4px;
  transition: background .2s;
}
.wa-bubble-close:hover { background: rgba(255,255,255,.15); }
.wa-bubble-body { padding: 16px; }
.wa-msg {
  background: rgba(255,255,255,.06); border-radius: 12px 12px 12px 0;
  padding: 14px 16px; border: 1px solid rgba(255,255,255,.07);
}
.wa-msg p { font-size: 13px; color: var(--text); line-height: 1.65; margin-bottom: 8px; }
.wa-msg p:last-child { margin-bottom: 0; }
.wa-msg strong { color: var(--gold); }
.wa-bubble-footer { padding: 0 16px 16px; }
.wa-bubble-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 13px;
  background: #25D366; color: #fff; border-radius: 10px;
  font-family: 'Montserrat', sans-serif; font-size: 12px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  transition: background .2s, transform .2s;
}
.wa-bubble-btn:hover { background: #1eac56; transform: translateY(-1px); }

/* ─── FOOTER NUEVO ─────────────────────────────────── */
.footer-brand-col { display: flex; flex-direction: column; gap: 16px; max-width: 260px; }
.footer-tagline { font-size: 11.5px; color: rgba(255,255,255,.3); line-height: 1.6; }
.footer-social { display: flex; gap: 8px; }
.social-link {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(245,197,24,.15);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.45);
  transition: background .2s, color .2s, border-color .2s;
}
.social-link:hover { background: rgba(245,197,24,.12); color: var(--gold); border-color: var(--gold); }
.footer-bottom { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: wrap; }
.footer-bottom-sep { color: rgba(255,255,255,.2); }

@media(max-width:768px) {
  .wa-bubble { width: calc(100vw - 40px); }
  .wa-widget { bottom: 20px; right: 20px; }
  .footer-brand-col { max-width: 100%; }
}

/* ─── BLUE GLOW ACCENTS — como los artes del congreso ── */
/* Glow azul en el hero (como el globo terráqueo iluminado) */
.hero::after {
  content: '';
  position: absolute;
  top: 15%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 500px; z-index: 1;
  background: radial-gradient(ellipse,
    rgba(0,180,216,.18) 0%,
    rgba(26,58,107,.12) 40%,
    transparent 70%);
  pointer-events: none;
}

/* Línea cian decorativa en topbar */
.hero-topbar {
  border-top: 2px solid rgba(0,180,216,.4);
}

/* Overrides de hover en nav con cyan accent */
.nav-links > li > a.active {
  color: var(--gold) !important;
}

/* Borde superior cyan en secciones alternas */
.sec--dark2::before {
  content: '';
  display: block; height: 1px; width: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,180,216,.3) 30%, rgba(245,197,24,.3) 70%, transparent);
}

/* Update closing after to use cyan glow */
.closing::after {
  background: radial-gradient(ellipse, rgba(0,180,216,.12) 0%, rgba(245,197,24,.06) 40%, transparent 70%) !important;
}

/* WA bubble navy */
.wa-bubble {
  background: var(--dark3) !important;
  border: 1px solid rgba(245,197,24,.25) !important;
}
.wa-msg {
  background: rgba(26,58,107,.5) !important;
  border: 1px solid rgba(245,197,24,.12) !important;
}

/* Reg perks con fondo azul */
.reg-perks li {
  background: rgba(26,58,107,.4) !important;
  border: 1px solid rgba(245,197,24,.18) !important;
}

/* Check items con fondo azul */
.ci {
  border: 1.5px solid rgba(245,197,24,.18) !important;
  background: rgba(26,58,107,.25) !important;
}
.ci:hover { background: rgba(245,197,24,.07) !important; }

/* Inputs fondo navy */
.f input, .f select {
  background: rgba(10,22,40,.8) !important;
  border: 1px solid rgba(245,197,24,.2) !important;
}
.f input:focus, .f select:focus {
  border-color: var(--gold) !important;
  background: rgba(26,58,107,.4) !important;
}

/* inst-badge con fondo navy */
.inst-badge {
  background: rgba(26,58,107,.4) !important;
  border: 1px solid rgba(245,197,24,.2) !important;
}

/* Footer */
.footer { background: #050d1a !important; border-top: 1px solid rgba(245,197,24,.15) !important; }
.footer-bottom { border-top: 1px solid rgba(245,197,24,.1) !important; }

/* ─── UBICACIÓN INLINE ──────────────────────────────── */
.ubi-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}
.ubi-map { display: flex; flex-direction: column; gap: 16px; }
.map-frame {
  border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(0,180,216,.3);
  box-shadow: 0 0 0 1px rgba(26,58,107,.6), 0 24px 56px rgba(0,0,0,.5);
  aspect-ratio: 4/3;
  position: relative;
}
.map-frame iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: none; display: block;
}
.ubi-maps-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 8px;
  background: transparent;
  border: 1.5px solid var(--gold-border);
  color: var(--gold);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  text-decoration: none;
  transition: background .2s, border-color .2s;
}
.ubi-maps-btn:hover {
  background: rgba(245,197,24,.08);
  border-color: var(--gold);
}
.ubi-cards { display: flex; flex-direction: column; gap: 16px; }
.ubi-info-card {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 22px;
  background: var(--blue-card);
  border: 1px solid var(--gold-border);
  border-radius: 14px;
  transition: border-color .3s;
}
.ubi-info-card:hover { border-color: rgba(245,197,24,.4); }
.uic-icon {
  font-size: 22px; flex-shrink: 0; margin-top: 2px;
  width: 42px; height: 42px; border-radius: 10px;
  background: rgba(245,197,24,.08);
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(245,197,24,.18);
}
.ubi-info-card h4 {
  font-size: 13px; font-weight: 700; color: var(--white);
  margin-bottom: 5px;
}
.ubi-info-card p {
  font-size: 13px; color: var(--dim); line-height: 1.65;
  font-family: 'Roboto', sans-serif; font-weight: 300;
}

@media(max-width:900px){
  .ubi-layout { grid-template-columns: 1fr; gap: 36px; }
}

/* ─── VIDEO FACADE ──────────────────────────────────── */
.yt-facade {
  position: relative;
  border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(0,180,216,.3);
  box-shadow: 0 0 0 1px rgba(26,58,107,.6), 0 24px 56px rgba(0,0,0,.5);
  aspect-ratio: 16/9;
  cursor: pointer;
}
.yt-thumb {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  transition: transform .4s ease, filter .3s;
}
.yt-facade:hover .yt-thumb {
  transform: scale(1.03);
  filter: brightness(.85);
}
.yt-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 80px; height: 80px;
  background: none; border: none; cursor: pointer; padding: 0;
  filter: drop-shadow(0 6px 20px rgba(0,0,0,.6));
  transition: transform .2s, filter .2s;
}
.yt-play-btn svg { width: 80px; height: 80px; }
.yt-facade:hover .yt-play-btn {
  transform: translate(-50%, -50%) scale(1.12);
  filter: drop-shadow(0 8px 28px rgba(245,197,24,.5));
}
.yt-player .yt-wrap {
  border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(0,180,216,.3);
  box-shadow: 0 0 0 1px rgba(26,58,107,.6), 0 24px 56px rgba(0,0,0,.5);
  aspect-ratio: 16/9; position: relative;
}
.yt-player .yt-wrap iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%; border: none;
}

/* ─── LIGHTBOX MODAL ────────────────────────────────── */
.lightbox {
  display: none;
  position: fixed; inset: 0; z-index: 9500;
  background: rgba(5, 10, 20, 0.92);
  backdrop-filter: blur(8px);
  align-items: center; justify-content: center;
  padding: 24px;
}
.lightbox.active { display: flex; animation: lbIn .25s ease both; }

@keyframes lbIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.lightbox-inner {
  position: relative;
  width: 100%; max-width: 960px;
  animation: lbScale .25s ease both;
}

@keyframes lbScale {
  from { transform: scale(.94); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}

.lightbox-close {
  position: absolute;
  top: -44px; right: 0;
  width: 36px; height: 36px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  color: #fff; font-size: 16px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
  z-index: 1;
}
.lightbox-close:hover { background: rgba(255,255,255,.25); }

.lightbox-video {
  position: relative;
  aspect-ratio: 16/9;
  border-radius: 14px; overflow: hidden;
  border: 1px solid rgba(0,180,216,.35);
  box-shadow: 0 0 0 1px rgba(26,58,107,.6), 0 32px 80px rgba(0,0,0,.8);
}
.lightbox-video iframe {
  position: absolute; inset: 0;
  width: 100%; height: 100%; border: none;
}

/* ─── PARALLAX ──────────────────────────────────────── */
.parallax-section {
  will-change: transform;
  transform: translateY(0);
  transition: transform 0.05s linear;
}

/* Hero video — movimiento más lento que el scroll */
.hero-video {
  will-change: transform;
}

/* ─── NÚMEROS — ajuste visual ───────────────────────── */
.num-val {
  font-family: 'Montserrat', sans-serif;
  letter-spacing: -.02em;
}