/* =========================================================
   Vanguard Business Gala — Styles
   ========================================================= */

/* =============== Tokens =============== */
:root{
  --bg:#0f0e0c;
  --panel:#15130f;
  --text:#f3efe6;
  --muted:#c9c1b3;
  --line:rgba(255,255,255,.10);
  --gold:#c9a86a;
  --brown:#3a2b1b;
}

/* =============== Base / Reset =============== */
*{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(201,168,106,.10), transparent 60%),
    radial-gradient(900px 600px at 80% 40%, rgba(58,43,27,.20), transparent 55%),
    var(--bg);
  color:var(--text);
}

a{ color:inherit; text-decoration:none; }

/* =============== Layout =============== */
.page{
  min-height:100vh;
  padding-left:280px;
}

.container{
  width:min(1050px, calc(100% - 48px));
  margin:0 auto;
}

.section{
  padding:72px 0;
  border-top:1px solid var(--line);
}

.hero{
  border-top:none;
  padding:96px 0 72px;
  opacity: 1 !important;
  transform: none !important;
}

/* =============== Typography =============== */
.eyebrow{
  letter-spacing:.22em;
  text-transform:uppercase;
  font-size:12px;
  color:var(--muted);
  margin:0 0 10px;
}

h1{
  font-size:52px;
  line-height:1.05;
  margin:0 0 14px;
}

h2{
  margin:0 0 14px;
  font-size:28px;
}

p{
  color:var(--muted);
  line-height:1.7;
}

.subhead{
  margin:0 0 24px;
  color:var(--muted);
  font-size:16px;
}

.muted{ color: var(--muted); }

/* =============== Buttons =============== */
.cta-row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:18px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  transition:transform .15s ease, border-color .15s ease, background .15s ease;
  font-weight:600;
  letter-spacing:.02em;
}

.btn:hover{
  transform:translateY(-1px);
  border-color:rgba(201,168,106,.45);
}

.btn.primary{
  background:linear-gradient(180deg, rgba(201,168,106,.25), rgba(201,168,106,.12));
  border-color:rgba(201,168,106,.35);
}

.btn.ghost{ background:transparent; }
.btn.full{ width:100%; }

/* =============== Cards / Grids =============== */
.grid-3{
  margin-top:18px;
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2, minmax(0, 1fr));
  gap:14px;
}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
  border:1px solid var(--line);
  border-radius:18px;
  padding:18px;
}

.card h3{
  margin:0 0 8px;
  font-size:16px;
  color:var(--text);
}

.price{
  margin:6px 0 10px;
  color:var(--gold);
  font-weight:700;
}

/* =============== Agenda =============== */
.agenda{
  margin-top:18px;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.agenda-item{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap:16px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.02);
}

.time{
  color:var(--gold);
  font-weight:700;
  letter-spacing:.02em;
}

.detail h3{
  margin:0 0 6px;
  font-size:16px;
  color:var(--text);
}

/* =============== Contact =============== */
.contact-box{
  margin-top:14px;
  padding:16px;
  border:1px solid var(--line);
  border-radius:18px;
  background:rgba(255,255,255,.02);
}

/* =============== Side Nav =============== */
.side-nav{
  position:fixed;
  left:0;
  top:0;
  height:100vh;
  width:280px;
  padding:18px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg, rgba(21,19,15,.92), rgba(15,14,12,.78));
  backdrop-filter: blur(10px);
  display:flex;
  flex-direction:column;
  gap:18px;
}

.brand{
  font-weight:800;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-size:14px;
}

.tag{
  color:var(--muted);
  font-size:12px;
  margin-top:6px;
}

.side-links{
  list-style:none;
  padding:0;
  margin:6px 0 0;
  display:flex;
  flex-direction:column;
  gap:8px;
}

.side-links a{
  position:relative;
  display:block;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--muted);
}

.side-links a:hover{
  border-color:rgba(201,168,106,.25);
  color:var(--text);
  background:rgba(255,255,255,.02);
}

.side-links a.active{
  color:var(--text);
  border-color:rgba(201,168,106,.35);
  background:linear-gradient(180deg, rgba(201,168,106,.16), rgba(255,255,255,.02));
}

.side-links a.active::before{
  content:"";
  position:absolute;
  left:-10px;
  top:10px;
  bottom:10px;
  width:3px;
  border-radius:999px;
  background:rgba(201,168,106,.85);
  box-shadow: 0 0 0 1px rgba(201,168,106,.15);
}

.side-bottom{ margin-top:auto; }

/* =============== Forms (Register) =============== */
.form{
  margin-top:18px;
  padding:18px;
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));
}

.field label{
  display:block;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 8px;
}

.field input,
.field select,
.field textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.20);
  color:var(--text);
  outline:none;
}

.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:rgba(201,168,106,.45);
}

.alert{
  margin-top:18px;
  padding:14px 16px;
  border-radius:18px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
}

.alert.success{ border-color:rgba(120, 220, 160, .35); }
.alert.error{ border-color:rgba(255, 120, 120, .35); }

.fineprint{
  margin-top:12px;
  font-size:12px;
  color:rgba(201,193,179,.75);
}

/* =============== Sponsors Carousel =============== */
.logo-carousel{
  margin-top:16px;
  display:flex;
  gap:14px;
  overflow:auto;
  padding:10px 4px;
  scroll-snap-type:x mandatory;
}

.logo-item{
  flex: 0 0 auto;
  width: 180px;
  height: 86px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(255,255,255,.02);
  display:flex;
  align-items:center;
  justify-content:center;
  scroll-snap-align:start;
}

.logo-item img{
  max-width: 78%;
  max-height: 60%;
  object-fit: contain;
  display:block;
  filter: saturate(.95);
  opacity:.92;
}

.logo-item:hover{
  border-color: rgba(201,168,106,.35);
}

/* =============== Speakers =============== */
.speaker-card{
  display:flex;
  flex-direction:column;
  gap:10px;
}

.speaker-photo{
  width:100%;
  height:160px;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}

.speaker-photo img{
  width:100%;
  height:100%;
  object-fit: cover;
}

.speaker-placeholder{
  color: rgba(201,168,106,.85);
  font-weight:800;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-size:12px;
}

/* =============== Hero Brand =============== */
.hero-brand{
  display:flex;
  align-items:center;
  gap:14px; 
}

.hero-logo{
  width:20%; 
  object-fit:contain;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,.35));
  opacity:.95;
}

.presentedby{
  margin:0;
  color:rgba(201,193,179,.72);
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}

/* =============== Reveal Animations (FIX) =============== */
/* Solo aplica si JS añade <body class="js">.
   Si el JS falla o no carga, el contenido NO se oculta. */
.js .section{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}

.js .section.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* =============== Responsive =============== */
@media (max-width: 900px){
  .page{ padding-left:0; }

  .side-nav{
    position:sticky;
    width:auto;
    height:auto;
    border-right:none;
    border-bottom:1px solid var(--line);
    flex-direction:row;
    align-items:center;
  }

  .side-links{
    flex-direction:row;
    flex-wrap:wrap;
    gap:6px;
    margin:0;
  }

  .side-bottom{
    margin-top:0;
    margin-left:auto;
  }

  h1{ font-size:40px; }

  .grid-3{ grid-template-columns:1fr; }
  .agenda-item{ grid-template-columns:1fr; }
  .grid-2{ grid-template-columns:1fr; }
}


/* ==============================
   Dark Select (Register Fix)
   ============================== */

.field select{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  background-color: rgba(0,0,0,.35);
  color: var(--text);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px 44px 12px 14px;

  background-image:
    linear-gradient(45deg, transparent 50%, var(--gold) 50%),
    linear-gradient(135deg, var(--gold) 50%, transparent 50%);
  background-position:
    calc(100% - 22px) 18px,
    calc(100% - 16px) 18px;
  background-size:6px 6px;
  background-repeat:no-repeat;
}

/* Dropdown options */
.field select option{
  background:#15130f;
  color:var(--text);
}

/* Hover / focus */
.field select:focus{
  outline:none;
  border-color:rgba(201,168,106,.55);
  background-color: rgba(0,0,0,.45);
}


/* ==============================
   Primary Submit Button Upgrade
   ============================== */

.form .btn.primary{
  padding:14px 22px;
  font-size:15px;
  letter-spacing:.04em;
  font-weight:700;

  background:
    linear-gradient(180deg,
      rgba(201,168,106,.45),
      rgba(201,168,106,.22)
    );
  border-color: rgba(201,168,106,.55);
  color:#1a140c;

  box-shadow:
    0 10px 28px rgba(201,168,106,.18),
    inset 0 1px 0 rgba(255,255,255,.35);
}

.form .btn.primary:hover{
  transform: translateY(-1px);
  box-shadow:
    0 14px 36px rgba(201,168,106,.28),
    inset 0 1px 0 rgba(255,255,255,.45);
}

.form .btn.primary:active{
  transform: translateY(0);
  box-shadow:
    0 8px 18px rgba(201,168,106,.22),
    inset 0 1px 0 rgba(255,255,255,.25);
}


/* =========================
   Mobile Header Accordion
   ========================= */

.nav-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
}

.nav-toggle{
  display:none;
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
  border-radius:999px;
  padding:10px 14px;
  font-weight:800;
  letter-spacing:.08em;
}

.nav-panel{ display:block; }

@media (max-width: 900px){
  .side-nav{
    position:sticky;
    top:0;
    z-index:60;
    width:100%;
    height:auto;
    padding:14px;
    border-right:none;
    border-bottom:1px solid var(--line);
    background:linear-gradient(180deg, rgba(21,19,15,.96), rgba(15,14,12,.86));
  }

  .nav-toggle{ display:inline-flex; }

  /* Panel plegable */
  .nav-panel{
    display:none;
    margin-top:12px;
    padding-top:12px;
    border-top:1px solid var(--line);
  }

  .side-nav.is-open .nav-panel{
    display:block;
  }

  .side-links{
    flex-direction:column;
    gap:8px;
    margin:0;
  }

  .side-links a{
    padding:12px 12px;
  }

  .side-bottom{
    margin-top:12px;
  }

  .brand{
    font-size:13px;
    line-height:1.15;
    letter-spacing:.06em;
  }

  .tag{
    margin-top:4px;
  }
}

/* =========================
   HERO – AJUSTE FINAL ESPACIADO
   ========================= */

/* Reduce aire general del hero */
.hero{
  padding:48px 0 44px; /* antes era mucho */
}

.hero .container{
  text-align:center;
}

/* Logo centrado, sin espacio fantasma */
.hero-brand{
  display:flex;
  justify-content:center;
  align-items:center;
  margin:0;              /* CLAVE: quita margen */
  padding:0;
}

/* Logo grande y limpio */
.hero-logo{
  width:30%;
  min-width:110px;
  height:auto;
  display:block;
  margin:0 auto;         /* sin margen extra */
  object-fit:contain;
  filter: drop-shadow(0 8px 16px rgba(0,0,0,.35));
  opacity:.95;
}

/* Ocultar texto lateral */
.hero-brandtext{
  display:none;
}

/* Ajuste del título para que no empuje */
.hero h1{
  margin-top:12px;       /* antes era enorme */
  margin-bottom:12px;
}

/* Subhead más compacto */
.subhead{
  margin-bottom:18px;
}

/* Centrar botones */
.cta-row{
  justify-content:center;
}

/* Mobile */
@media (max-width: 900px){
  .hero{
    padding:40px 0 36px;
  }

  h1{
    font-size:34px;
    line-height:1.15;
  }

  .subhead{
    font-size:14px;
  }
}


/* =========================
   HERO VIDEO
========================= */

.hero-video {
  position: relative;
  min-height: 100vh;
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

/* Overlay oscuro para legibilidad */
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 600px at 20% 20%, rgba(201,168,106,.12), transparent 60%),
    linear-gradient(to bottom, rgba(15,14,12,.55), rgba(15,14,12,.85));
  z-index: 1;
}

/* Contenido encima del video */
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}

/* Logo centrado sin espacios raros */
.hero-brand-center {
  margin-bottom: 18px;
}

.hero-logo {
  width: min(280px, 70vw);
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Ajustes de texto */
.hero h1 {
  margin-top: 0;
}

.hero .subhead {
  margin-bottom: 22px;
}

/* Mobile fine tuning */
@media (max-width: 768px) {
  .hero-logo {
    width: 220px;
  }

  .hero h1 {
    font-size: 34px;
    line-height: 1.15;
  }
}


/* =========================
   SOCIAL STATEMENT SECTION
========================= */

.social-section{
  border-top:1px solid var(--line);
  background:
    radial-gradient(600px 300px at 50% 0%, rgba(201,168,106,.12), transparent 70%);
}

.social-wrap{
  text-align:center;
}

.social-sub{
  max-width:520px;
  margin:0 auto 28px;
  color:var(--muted);
}

.social-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}

/* Base button */
.social-btn{
  min-width:180px;
  padding:16px 22px;
  border-radius:999px;
  border:1px solid rgba(201,168,106,.35);
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  text-align:center;
  background:
    linear-gradient(180deg,
      rgba(201,168,106,.18),
      rgba(255,255,255,.02));
  box-shadow:
    0 10px 30px rgba(0,0,0,.35),
    inset 0 0 0 1px rgba(255,255,255,.04);
  transition:
    transform .25s ease,
    box-shadow .25s ease,
    border-color .25s ease;
}

.social-btn:hover{
  transform:translateY(-3px);
  border-color:rgba(201,168,106,.65);
  box-shadow:
    0 18px 50px rgba(0,0,0,.45),
    0 0 0 1px rgba(201,168,106,.25);
}

/* Subtle brand accents */
.social-btn.instagram{ }
.social-btn.linkedin{ }
.social-btn.youtube{ }

/* Mobile */
@media (max-width:700px){
  .social-actions{
    flex-direction:column;
    align-items:center;
  }

  .social-btn{
    width:100%;
    max-width:320px;
  }
}