/* =====================================================
   TOKENS
   ===================================================== */
:root {
  --bg:      #0C0C0F;
  --bg2:     #111116;
  --card:    #16161C;
  --border:  rgba(255,255,255,0.07);
  --ivory:   #F4F0E6;
  --ivory-dk:#C0BAA8;
  --gold:    #C8A84B;
  --gold-lt: #DDB95C;
  --gold-dk: #8A6E2A;
  --muted:   #555560;
  --danger:  #C84B4B;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-caps:  'Cinzel', 'Palatino Linotype', serif;
  --font-body:  'Inter', -apple-system, sans-serif;
  --ease: cubic-bezier(.4,0,.2,1);
  --ease-out: cubic-bezier(0,.55,.45,1);
  --radius: 1px;
}

/* =====================================================
   RESET & BASE
   ===================================================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-x: hidden; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ivory);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
}
body.is-loading { overflow: hidden; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { text-decoration: none; color: inherit; }

/* =====================================================
   LOADER — Terminal ejecutivo
   ===================================================== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  border: 1px solid rgba(200,168,75,0.15);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.loader.loader--exit {
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
}

.loader-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2.5rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-caps);
  font-size: .55rem;
  letter-spacing: .3em;
  color: var(--muted);
}

.lh-company { color: var(--gold); }

.loader-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 3rem;
  text-align: center;
}

.loader-logo {
  position: relative;
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ll-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(200,168,75,.4);
  animation: spinCW 8s linear infinite;
}

@keyframes spinCW { to { transform: rotate(360deg); } }

.ll-initials {
  font-family: var(--font-caps);
  font-size: 1.4rem;
  color: var(--gold);
  letter-spacing: .1em;
}

.loader-event {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2rem, 6vw, 4.5rem);
  color: var(--ivory);
  line-height: 1.1;
  letter-spacing: .05em;
}

.loader-year {
  font-family: var(--font-caps);
  font-size: .65rem;
  letter-spacing: .4em;
  color: var(--gold);
}

.loader-terminal {
  padding: 1.5rem 2.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.lt-status {
  font-family: 'Courier New', monospace;
  font-size: .75rem;
  color: var(--gold);
  letter-spacing: .05em;
}

.lt-status::before { content: '> '; opacity: .5; }

.lt-bar-wrap {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lt-bar {
  flex: 1;
  height: 1px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}

.lt-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--gold-dk), var(--gold), var(--gold-lt));
  width: var(--progress, 0%);
  transition: width .05s linear;
}

.lt-pct {
  font-family: 'Courier New', monospace;
  font-size: .7rem;
  color: var(--muted);
  min-width: 3ch;
  text-align: right;
}

.loader-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: .9rem 2.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-caps);
  font-size: .48rem;
  letter-spacing: .25em;
  color: var(--muted);
}

.lf-dot { color: var(--gold); }

/* =====================================================
   MAIN
   ===================================================== */
.main { opacity: 0; transition: opacity .5s var(--ease); }
.main.main--visible { opacity: 1; }

/* =====================================================
   SCROLL PROGRESS
   ===================================================== */
.scroll-prog {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  z-index: 9000;
  transition: width .08s linear;
}

/* =====================================================
   NAV
   ===================================================== */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2.5rem;
  background: transparent;
  transition: background .4s, padding .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}

.site-nav.nav--scrolled {
  background: rgba(12,12,15,.96);
  backdrop-filter: blur(12px);
  padding: .65rem 2.5rem;
  border-color: var(--border);
}

.sn-left {
  display: flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-caps);
  font-size: .55rem;
  letter-spacing: .22em;
}

.sn-brand { color: var(--gold); }
.sn-sep { color: var(--muted); }
.sn-event { color: var(--muted); }

.sn-right {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.sn-link {
  font-family: var(--font-caps);
  font-size: .52rem;
  letter-spacing: .18em;
  color: rgba(244,240,230,.6);
  padding: .4rem .9rem;
  transition: color .25s;
}

.sn-link:hover { color: var(--gold); }

.sn-link--cta {
  border: 1px solid var(--gold);
  color: var(--gold) !important;
  margin-left: .5rem;
  transition: background .25s, color .25s !important;
}

.sn-link--cta:hover { background: var(--gold); color: var(--bg) !important; }

.sn-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}

.sn-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--ivory);
  transition: transform .3s, opacity .3s;
}

.sn-burger.is-open span:first-child { transform: rotate(45deg) translate(4px,4px); }
.sn-burger.is-open span:last-child  { transform: rotate(-45deg) translate(4px,-4px); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 799;
  background: rgba(12,12,15,.98);
  padding: 5rem 2.5rem 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform .4s var(--ease);
}

.mobile-menu.is-open { transform: none; }

.mm-link {
  font-family: var(--font-caps);
  font-size: .8rem;
  letter-spacing: .25em;
  color: var(--ivory-dk);
  transition: color .25s;
}

.mm-link:hover, .mm-link--cta { color: var(--gold); }

/* =====================================================
   SHARED
   ===================================================== */
.section-eyebrow {
  font-family: var(--font-caps);
  font-size: .55rem;
  letter-spacing: .3em;
  color: var(--gold);
  margin-bottom: .5rem;
}

.section-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--ivory);
  line-height: 1.2;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--delay, 0s);
}

.reveal.is-visible { opacity: 1; transform: none; }

/* Section head */
.section-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 2rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}

.sh-num {
  font-family: var(--font-serif);
  font-size: 5rem;
  color: rgba(200,168,75,.1);
  line-height: 1;
  font-weight: 300;
  user-select: none;
}

/* =====================================================
   HERO
   ===================================================== */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
  background:
    radial-gradient(circle at 50% 16%, rgba(200,168,75,.18) 0 7%, transparent 30%),
    radial-gradient(circle at 14% 28%, rgba(255,255,255,.08) 0 4%, transparent 24%),
    radial-gradient(circle at 86% 72%, rgba(200,168,75,.12) 0 5%, transparent 26%),
    linear-gradient(135deg, #08080b 0%, #15151b 46%, #07070a 100%);
  overflow: hidden;
}

/* Banner principal: fondo CSS sin imagen */

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.hero::before {
  inset: clamp(1.25rem, 3vw, 3rem);
  border: 1px solid rgba(200,168,75,.22);
  background:
    linear-gradient(90deg, transparent, rgba(200,168,75,.32), transparent) top / 100% 1px no-repeat,
    linear-gradient(90deg, transparent, rgba(255,255,255,.10), transparent) bottom / 100% 1px no-repeat,
    linear-gradient(180deg, transparent, rgba(200,168,75,.18), transparent) left / 1px 100% no-repeat,
    linear-gradient(180deg, transparent, rgba(200,168,75,.18), transparent) right / 1px 100% no-repeat;
  box-shadow: inset 0 0 80px rgba(200,168,75,.07), 0 0 120px rgba(0,0,0,.45);
}

.hero::after {
  inset: 0;
  opacity: .68;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px),
    radial-gradient(circle at 24% 38%, rgba(200,168,75,.5) 0 1px, transparent 1.8px),
    radial-gradient(circle at 72% 24%, rgba(244,240,230,.36) 0 1px, transparent 1.8px);
  background-size: 72px 72px, 72px 72px, 220px 220px, 280px 280px;
  mix-blend-mode: screen;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(to bottom,
      rgba(12,12,15,.58) 0%,
      rgba(12,12,15,.25) 45%,
      rgba(12,12,15,.92) 100%);
}

/* Sello empresa */
.hero-seal {
  position: absolute;
  top: 5rem;
  right: 3rem;
  z-index: 2;
  width: 70px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hs-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(200,168,75,.4);
}

.hs-core {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hs-init {
  font-family: var(--font-caps);
  font-size: .9rem;
  color: var(--gold);
  letter-spacing: .05em;
}

/* Referencia */
.hero-ref {
  position: absolute;
  top: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .25em;
  color: rgba(200,168,75,.5);
  white-space: nowrap;
}

/* Contenido */
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 8rem 2rem 5rem;
  max-width: 860px;
  width: 100%;
}

.hero-company {
  font-family: var(--font-caps);
  font-size: clamp(.52rem, 1.2vw, .72rem);
  letter-spacing: .32em;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.hero-rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,168,75,.5), transparent);
  margin: 1.5rem auto;
  max-width: 400px;
}

.hero-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(3.5rem, 11vw, 9rem);
  color: var(--ivory);
  line-height: .95;
  letter-spacing: -.01em;
  margin: 1.5rem 0;
}

.hero-title em {
  font-style: italic;
  color: var(--gold-lt);
}

.hero-theme {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(.9rem, 2vw, 1.25rem);
  color: var(--ivory-dk);
  margin: 1rem 0 2rem;
}

/* Meta strip */
.hero-meta {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  border: 1px solid var(--border);
  margin: 2rem auto;
  max-width: 700px;
}

.hm-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.25rem 1.5rem;
  gap: .35rem;
}

.hmi-label {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .22em;
  color: var(--gold);
}

.hmi-value {
  font-family: var(--font-body);
  font-size: .82rem;
  color: var(--ivory-dk);
  font-weight: 300;
  text-align: center;
}

.hm-sep {
  width: 1px;
  background: var(--border);
  flex-shrink: 0;
}

/* CTA */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  margin-top: 1rem;
  font-family: var(--font-caps);
  font-size: .58rem;
  letter-spacing: .22em;
  color: var(--gold);
  transition: gap .25s;
}

.hcta-label { border-bottom: 1px solid rgba(200,168,75,.35); padding-bottom: .1rem; }
.hcta-line { width: 24px; height: 1px; background: var(--gold); transition: width .25s; }
.hero-cta:hover { gap: 1.1rem; color: var(--gold); }
.hero-cta:hover .hcta-line { width: 40px; }

/* Scroll ind */
.hero-scroll-ind {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
}

.hsi-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, rgba(200,168,75,.5));
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0%, 100% { transform: scaleY(1); opacity: .5; }
  50%       { transform: scaleY(.6); opacity: 1; }
}

.hsi-text {
  font-family: var(--font-caps);
  font-size: .42rem;
  letter-spacing: .3em;
  color: rgba(200,168,75,.4);
}

/* Hero animations */
.hero-anim {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: var(--d, 0s);
}

.main--visible .hero-anim {
  opacity: 1;
  transform: none;
}

/* =====================================================
   INVITACIÓN FORMAL (carta)
   ===================================================== */
.invite-section {
  padding: 8rem 0;
  background: var(--bg2);
}

.invite-card {
  position: relative;
  background: var(--ivory);
  color: #1A1A1A;
  padding: 4.5rem 4rem;
}

/* Bordes ornamentales de la carta */
.ic-border-outer { position: absolute; inset: 8px;  border: 1px solid rgba(200,168,75,.6); pointer-events: none; }
.ic-border-inner { position: absolute; inset: 14px; border: 1px solid rgba(200,168,75,.2); pointer-events: none; }

.ic-corner {
  position: absolute;
  width: 24px; height: 24px;
  border-color: var(--gold-dk);
  border-style: solid;
  z-index: 1;
}

.ic-corner--tl { top: 4px; left: 4px;  border-width: 2px 0 0 2px; }
.ic-corner--tr { top: 4px; right: 4px; border-width: 2px 2px 0 0; }
.ic-corner--bl { bottom: 4px; left: 4px;  border-width: 0 0 2px 2px; }
.ic-corner--br { bottom: 4px; right: 4px; border-width: 0 2px 2px 0; }

.ic-content { position: relative; z-index: 2; }

/* Letterhead */
.ic-letterhead {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.icl-logo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(200,168,75,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(200,168,75,.08);
}

.icl-logo span {
  font-family: var(--font-caps);
  font-size: 1rem;
  color: var(--gold-dk);
  letter-spacing: .05em;
}

.icl-company {
  font-family: var(--font-caps);
  font-size: .6rem;
  letter-spacing: .2em;
  color: #333;
  margin-bottom: .2rem;
}

.icl-sub {
  font-family: var(--font-body);
  font-size: .75rem;
  color: #888;
}

.ic-rule {
  height: 1px;
  background: rgba(200,168,75,.35);
  margin: 1.5rem 0;
}

.ic-date-ref {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: .78rem;
  color: #777;
}

.ic-saludo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: #2A2A2A;
  margin-bottom: 1rem;
}

.ic-body {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #444;
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.ic-body strong { color: #1A1A1A; font-weight: 600; }

.ic-closing {
  color: #555;
  font-style: italic;
}

/* Destacado del evento dentro de la carta */
.ic-event-highlight {
  border: 1px solid rgba(200,168,75,.5);
  padding: 2rem;
  margin: 2rem 0;
  text-align: center;
  background: rgba(200,168,75,.04);
  position: relative;
}

.ic-event-highlight::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translate(-50%, -50%);
  width: 8px; height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

.iceh-label {
  font-family: var(--font-caps);
  font-size: .52rem;
  letter-spacing: .28em;
  color: var(--gold-dk);
  margin-bottom: .75rem;
}

.iceh-title {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: #1A1A1A;
  margin-bottom: .5rem;
}

.iceh-theme {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: #666;
}

/* Firma */
.ic-firma {
  margin-top: 2rem;
}

.ic-firma-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 500;
  color: #1A1A1A;
  margin-bottom: .2rem;
}

.ic-firma-cargo, .ic-firma-empresa {
  font-family: var(--font-body);
  font-size: .78rem;
  color: #777;
}

/* Sello en la carta */
.ic-sello {
  position: absolute;
  bottom: 3rem;
  right: 4rem;
  transform: scale(0) rotate(-15deg);
  transform-origin: center;
  transition: transform .6s cubic-bezier(.34,1.56,.64,1);
}

.ic-sello.sello--stamped { transform: scale(1) rotate(-8deg); }

.ics-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--gold-dk);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(200,168,75,.08);
  position: relative;
  overflow: hidden;
}

.ics-text {
  position: absolute;
  width: 100%;
  text-align: center;
  font-family: var(--font-caps);
  font-size: .28rem;
  letter-spacing: .12em;
  color: var(--gold-dk);
}

.ics-core {
  font-family: var(--font-caps);
  font-size: 1rem;
  color: var(--gold-dk);
  letter-spacing: .05em;
}

/* =====================================================
   AGENDA
   ===================================================== */
.agenda-section { padding: 8rem 0; background: var(--bg); }

.agenda-list { display: flex; flex-direction: column; }

.ag-item {
  display: grid;
  grid-template-columns: 80px 48px 1fr auto;
  gap: 0 1.5rem;
  align-items: start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: background .25s;
  position: relative;
}

.ag-item:hover { background: rgba(255,255,255,.015); }

.ag-item--featured .agib-title { color: var(--gold-lt); }

.agi-time {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding-top: .2rem;
}

.agit-hour {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--ivory);
  line-height: 1;
  font-weight: 300;
}

.agit-period {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.agi-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  padding-top: .3rem;
}

.agic-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(200,168,75,.5);
  flex-shrink: 0;
}

.agic-dot--gold { background: var(--gold); border-color: var(--gold); }

.agic-dot--end { border-color: var(--border); }

.agic-line {
  width: 1px;
  flex: 1;
  min-height: 40px;
  background: linear-gradient(to bottom, rgba(200,168,75,.3), var(--border));
  margin-top: 4px;
}

.agib-title {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.25rem;
  color: var(--ivory);
  margin-bottom: .3rem;
  line-height: 1.3;
}

.agib-desc {
  font-size: .82rem;
  color: var(--ivory-dk);
  line-height: 1.6;
}

.agib-badge {
  display: inline-block;
  font-family: var(--font-caps);
  font-size: .42rem;
  letter-spacing: .2em;
  color: var(--bg);
  background: var(--gold);
  padding: .18rem .6rem;
  margin-top: .6rem;
}

.agi-num {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: rgba(200,168,75,.07);
  line-height: 1;
  font-weight: 300;
  user-select: none;
  align-self: center;
}

/* =====================================================
   PONENTES
   ===================================================== */
.ponentes-section { padding: 8rem 0; background: var(--bg2); }

.ponentes-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1px;
  background: var(--border);
}

.ponente-card {
  background: var(--bg2);
  overflow: hidden;
  position: relative;
  transition: transform .3s;
}

.ponente-card:hover { transform: translateY(-4px); z-index: 1; }

.pc-photo-wrap {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.pc-photo-wrap img {
  transition: transform .5s var(--ease), filter .5s;
  filter: grayscale(.4) brightness(.85);
}

.ponente-card:hover .pc-photo-wrap img {
  transform: scale(1.05);
  filter: grayscale(0) brightness(.95);
}

.pc-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(12,12,15,.95) 0%, transparent 50%);
}

.pc-info {
  padding: 1.75rem;
}

.pc-role {
  font-family: var(--font-caps);
  font-size: .48rem;
  letter-spacing: .22em;
  color: var(--gold);
  display: block;
  margin-bottom: .5rem;
}

.pc-name {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.5rem;
  color: var(--ivory);
  line-height: 1.2;
  margin-bottom: .75rem;
}

.pc-bio {
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.7;
}

/* =====================================================
   SEDE
   ===================================================== */
.sede-section { padding: 8rem 0; background: var(--bg); }

.sede-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  overflow: hidden;
}

.sede-photo-wrap {
  position: relative;
  min-height: 480px;
}

.sede-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, transparent 60%, var(--bg) 100%);
}

.sede-info {
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.si-top {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.si-icon { font-size: 1.5rem; color: var(--gold); margin-top: .2rem; }

.si-venue {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 300;
  color: var(--ivory);
  line-height: 1.1;
  margin-bottom: .2rem;
}

.si-hall {
  font-family: var(--font-caps);
  font-size: .55rem;
  letter-spacing: .2em;
  color: var(--gold);
}

.si-rule {
  height: 1px;
  background: var(--border);
  margin-bottom: 1.5rem;
}

.si-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.si-list li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.sil-label {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .22em;
  color: var(--gold);
}

.sil-value {
  font-size: .88rem;
  color: var(--ivory-dk);
  line-height: 1.5;
}

.si-actions {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.btn-sede {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-caps);
  font-size: .55rem;
  letter-spacing: .15em;
  padding: .7rem 1.4rem;
  transition: background .25s, color .25s, transform .2s;
}

.btn-sede { background: var(--gold); color: var(--bg); }
.btn-sede:hover { background: var(--gold-lt); transform: translateY(-1px); }

.btn-sede--outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--ivory-dk) !important;
}

.btn-sede--outline:hover {
  border-color: var(--gold) !important;
  color: var(--gold) !important;
  background: transparent !important;
  transform: translateY(-1px);
}

/* =====================================================
   COUNTDOWN BAR
   ===================================================== */
.countdown-bar {
  background: var(--gold);
  padding: 1rem 0;
}

.countdown-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.cdb-label {
  font-family: var(--font-caps);
  font-size: .52rem;
  letter-spacing: .28em;
  color: var(--bg);
  font-weight: 600;
}

.cdb-units {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.cdb-unit {
  display: flex;
  align-items: baseline;
  gap: .3rem;
}

.cbv {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--bg);
  line-height: 1;
  font-weight: 300;
  min-width: 2ch;
  text-align: center;
}

.cbl {
  font-family: var(--font-caps);
  font-size: .42rem;
  letter-spacing: .15em;
  color: rgba(12,12,15,.6);
}

.cdb-sep {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: rgba(12,12,15,.3);
}

/* =====================================================
   DRESS CODE
   ===================================================== */
.dresscode-section { padding: 8rem 0; background: var(--bg2); }

.dresscode-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 5rem;
  align-items: start;
}

.dcm-badge {
  width: 60px;
  height: 60px;
  border: 1px solid rgba(200,168,75,.4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  background: rgba(200,168,75,.06);
}

.dcm-type {
  font-family: var(--font-serif);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--gold-lt);
  margin-bottom: .3rem;
  line-height: 1;
}

.dcm-sub {
  font-family: var(--font-caps);
  font-size: .55rem;
  letter-spacing: .22em;
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.dcm-body {
  font-size: .9rem;
  color: var(--ivory-dk);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.dcm-note {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  border: 1px solid var(--border);
  padding: .85rem 1.1rem;
  font-size: .8rem;
  color: var(--muted);
  line-height: 1.6;
  background: rgba(200,168,75,.03);
}

.dcm-note i { color: var(--gold-dk); flex-shrink: 0; margin-top: .1rem; }

.dcsw-label {
  font-family: var(--font-caps);
  font-size: .5rem;
  letter-spacing: .25em;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.dcsw-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.dcsw-item { display: flex; flex-direction: column; align-items: center; gap: .5rem; }

.dcsw-color {
  display: block;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255,255,255,.08);
  transition: transform .2s;
  cursor: default;
}

.dcsw-color:hover { transform: scale(1.1); }
.dcsw-color--lt { border-color: rgba(200,168,75,.25); }

.dcsw-name {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .12em;
  color: var(--muted);
}

.dcsw-note {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  font-size: .78rem;
  color: var(--muted);
  line-height: 1.6;
}

.dcsw-note i { color: var(--gold-dk); flex-shrink: 0; margin-top: .1rem; }

/* =====================================================
   RSVP
   ===================================================== */
.rsvp-section { padding: 8rem 0; background: var(--bg); }

.sh-deadline {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .2rem;
}

.shd-label {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .2em;
  color: var(--gold);
}

.shd-value {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--ivory);
}

.rsvp-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 5rem;
  align-items: start;
}

/* Formulario */
.rsvp-form-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 3rem;
}

.rf-group { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1.5rem; }
.rf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.rf-label {
  font-family: var(--font-caps);
  font-size: .48rem;
  letter-spacing: .2em;
  color: var(--gold);
}

.rf-input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: .88rem;
  font-weight: 300;
  padding: .75rem 1rem;
  outline: none;
  transition: border-color .25s;
  width: 100%;
}

.rf-input:focus { border-color: rgba(200,168,75,.5); }
.rf-input::placeholder { color: var(--muted); font-size: .82rem; }

.rf-select { cursor: pointer; }
.rf-textarea { resize: vertical; min-height: 80px; }

/* Radio custom */
.rf-radio-group { display: flex; gap: 1.5rem; flex-wrap: wrap; }

.rf-radio {
  display: flex;
  align-items: center;
  gap: .7rem;
  cursor: pointer;
}

.rf-radio input { display: none; }

.rfr-box {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border);
  position: relative;
  transition: border-color .25s;
  flex-shrink: 0;
}

.rf-radio input:checked + .rfr-box { border-color: var(--gold); }

.rf-radio input:checked + .rfr-box::after {
  content: '';
  position: absolute;
  inset: 3px;
  background: var(--gold);
}

.rfr-label { font-size: .85rem; color: var(--ivory-dk); }

/* Botón submit */
.btn-rsvp {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  width: 100%;
  padding: 1rem;
  background: var(--gold);
  color: var(--bg);
  font-family: var(--font-caps);
  font-size: .6rem;
  letter-spacing: .22em;
  border: none;
  cursor: pointer;
  transition: background .25s, transform .2s;
  margin-bottom: 1rem;
}

.btn-rsvp:hover { background: var(--gold-lt); transform: translateY(-1px); }

.rf-disclaimer {
  font-size: .7rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

/* Panel info */
.rsvp-info-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.rip-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.rip-icon { font-size: 1.1rem; color: var(--gold); flex-shrink: 0; margin-top: .1rem; }

.rip-label {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: .3rem;
}

.rip-value {
  font-size: .85rem;
  color: var(--ivory-dk);
  line-height: 1.5;
}

.rip-rule { height: 1px; background: var(--border); }

.rip-wa-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-caps);
  font-size: .5rem;
  letter-spacing: .15em;
  color: var(--bg);
  background: #25D366;
  padding: .5rem 1rem;
  margin-top: .4rem;
  transition: background .25s;
}

.rip-wa-btn:hover { background: #1da851; color: var(--bg); }

.rip-ref-box {
  border: 1px solid var(--border);
  padding: 1.25rem;
  background: rgba(200,168,75,.04);
}

.rrb-label {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .2em;
  color: var(--gold);
  margin-bottom: .3rem;
}

.rrb-val {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: var(--ivory);
  margin-bottom: .2rem;
}

.rrb-note { font-size: .75rem; color: var(--muted); }

/* =====================================================
   FOOTER
   ===================================================== */
.site-footer {
  padding: 4rem 0 2rem;
  background: #080809;
  border-top: 1px solid var(--border);
}

.ft-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.ft-logo {
  font-family: var(--font-caps);
  font-size: 1.5rem;
  color: var(--gold);
  letter-spacing: .1em;
  margin-bottom: .75rem;
}

.ft-company {
  font-family: var(--font-caps);
  font-size: .52rem;
  letter-spacing: .2em;
  color: var(--ivory-dk);
  margin-bottom: .3rem;
}

.ft-event {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: .95rem;
  color: var(--muted);
}

.ft-center { text-align: center; }

.ft-ref {
  font-family: 'Courier New', monospace;
  font-size: .7rem;
  color: var(--gold-dk);
  margin-bottom: .5rem;
}

.ft-date {
  font-family: var(--font-caps);
  font-size: .65rem;
  letter-spacing: .2em;
  color: var(--ivory-dk);
  margin-bottom: .3rem;
}

.ft-place { font-size: .8rem; color: var(--muted); }

.ft-right { text-align: right; }

.ft-conf {
  font-family: var(--font-caps);
  font-size: .45rem;
  letter-spacing: .25em;
  color: var(--gold-dk);
  margin-bottom: .5rem;
  border: 1px solid rgba(200,168,75,.2);
  display: inline-block;
  padding: .2rem .6rem;
}

.ft-copy, .ft-made { font-size: .75rem; color: var(--muted); margin-top: .3rem; }

.ft-rule { height: 1px; background: var(--border); margin-bottom: 1.5rem; }

.ft-legal {
  font-size: .72rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 991px) {
  .sn-right { display: none; }
  .sn-burger { display: flex; }

  .ponentes-grid { grid-template-columns: 1fr; }

  .sede-grid { grid-template-columns: 1fr; }
  .sede-photo-wrap { min-height: 280px; }

  .dresscode-grid { grid-template-columns: 1fr; gap: 3rem; }

  .rsvp-grid { grid-template-columns: 1fr; gap: 3rem; }

  .ft-grid { grid-template-columns: 1fr; gap: 2rem; text-align: left !important; }
  .ft-right { text-align: left; }
  .ft-center { text-align: left; }

  .section-head { grid-template-columns: auto 1fr; }
  .sh-date, .sh-deadline { grid-column: 1/-1; justify-self: start; }

  .ag-item { grid-template-columns: 70px 40px 1fr; }
  .agi-num { display: none; }

  .hero-meta { flex-direction: column; }
  .hm-sep { width: 100%; height: 1px; }
  .hm-item { padding: .85rem 1rem; }
}

@media (max-width: 575px) {
  .rf-row { grid-template-columns: 1fr; }
  .rsvp-form-wrap { padding: 2rem 1.5rem; }
  .dcsw-grid { grid-template-columns: repeat(3,1fr); }
  .hero-title { font-size: clamp(3rem, 14vw, 6rem); }
}