/* =========================================================
   FÓRUM FNNE — design moderno, paleta do banner
   ========================================================= */

:root{
  --c-bg: #50276c;
  --c-bg-2: #3d1d54;
  --c-bg-3: #2a1238;
  --c-text: #ffffff;
  --c-muted: rgba(255,255,255,.72);
  --c-faint: rgba(255,255,255,.5);
  --c-card: rgba(255,255,255,.06);
  --c-card-bd: rgba(255,255,255,.14);
  --c-card-hover: rgba(255,255,255,.09);
  --c-cta: #e2503a;
  --c-cta-2: #e87f3b;
  --c-cta-hover: #c2422f;
  --c-accent: #f4c842;
  --c-success: #4CC38A;
  --c-input-bg: rgba(255,255,255,.97);
  --c-input-text: #1d1230;
  --c-input-bd: rgba(255,255,255,0);
  --c-input-bd-focus: var(--c-accent);
  --c-err: #ff8f7a;
  --c-err-bg: rgba(255,80,60,.14);
  --radius: 14px;
  --radius-sm: 10px;
  --pad: 20px;
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --shadow-card: 0 12px 40px rgba(0,0,0,.25), 0 2px 8px rgba(0,0,0,.18);
  --shadow-soft: 0 4px 16px rgba(0,0,0,.15);
  --t-fast: .18s cubic-bezier(.2,.7,.2,1);
  --t-spring: .35s cubic-bezier(.2,.9,.25,1.15);
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important}
  .reveal{opacity:1 !important; transform:none !important}
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family: var(--font);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height:100vh;
  overflow-x:hidden;
  position:relative;
}
a{color: var(--c-accent); text-decoration: none}
a:hover{text-decoration:underline}

/* ---------- Background ambient blobs ---------- */
.bg-blobs{
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(255,255,255,.06), transparent 60%),
    linear-gradient(180deg, var(--c-bg) 0%, var(--c-bg-2) 50%, var(--c-bg-3) 100%);
}
.blob{
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
  will-change: transform;
}
.blob--1{ width: 380px; height: 380px; background: #e2503a; top: -120px; left: -100px; animation: floaty 18s ease-in-out infinite }
.blob--2{ width: 420px; height: 420px; background: #6b3b8c; top: 30%; right: -160px; animation: floaty 22s ease-in-out -3s infinite reverse }
.blob--3{ width: 320px; height: 320px; background: #f4c842; bottom: -120px; left: 30%; animation: floaty 20s ease-in-out -8s infinite; opacity:.18 }
@keyframes floaty{
  0%,100%{ transform: translate(0,0) scale(1) }
  50%{ transform: translate(40px,-30px) scale(1.08) }
}

/* ---------- Reveal on view ---------- */
.reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.reveal.is-in{ opacity: 1; transform: none }

/* ---------- Layout ---------- */
.page{
  max-width: 560px;
  margin: 0 auto;
  padding: 24px var(--pad) 60px;
  position: relative;
}

/* ---------- Topbar ---------- */
.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0 18px;
  margin-bottom: 6px;
  gap: 12px;
}
.topbar__logo{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--c-text);
}
.topbar__logo img{
  display:block;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  padding: 4px;
}
.topbar__brand{
  display: flex; flex-direction: column;
  line-height: 1.1;
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -.01em;
}
.topbar__brand small{
  font-size: 10px;
  font-weight: 500;
  color: var(--c-faint);
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: 2px;
}
.topbar__back{
  color: var(--c-muted);
  font-size: 13px;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--c-card-bd);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.topbar__back:hover{
  background: var(--c-card-hover);
  color: var(--c-accent);
  border-color: var(--c-accent);
  text-decoration: none;
}

/* ---------- Hero ---------- */
.hero{
  margin: 0 calc(-1 * var(--pad)) 28px;
  position: relative;
}
.hero__banner{
  display: block;
  position: relative;
}
.hero__banner img{
  display:block;
  width: 100%;
  height: auto;
  max-height: 78vh;
  object-fit: contain;
  background: transparent;
  filter: drop-shadow(0 12px 28px rgba(0,0,0,.32));
}

/* ---------- Event block ---------- */
.event{ margin: 0 0 28px }
.event__tag{
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--c-accent);
  padding: 6px 12px;
  border: 1px solid rgba(244,200,66,.4);
  border-radius: 999px;
  margin-bottom: 14px;
  background: rgba(244,200,66,.08);
}
.event__title{
  font-weight: 900;
  font-size: clamp(40px, 11vw, 64px);
  line-height: .95;
  letter-spacing: -.025em;
  margin: 0 0 12px;
  text-transform: uppercase;
}
.event__title-accent{
  background: linear-gradient(135deg, var(--c-cta-2) 0%, var(--c-cta) 50%, var(--c-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.event__subtitle{
  font-weight: 500;
  font-size: 17px;
  opacity: .9;
  margin: 0 0 24px;
}
.event__meta{
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
}
.meta-card{
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--c-card);
  border: 1px solid var(--c-card-bd);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.meta-card:hover{
  background: var(--c-card-hover);
  border-color: rgba(255,255,255,.22);
  transform: translateY(-1px);
}
.meta-card__icon{
  flex: 0 0 auto;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.meta-card__body{ flex: 1; min-width: 0 }
.meta-card__label{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-faint);
}
.meta-card__value{ font-weight: 700; font-size: 16px; margin-top: 2px }
.meta-card__sub{ font-size: 13px; color: var(--c-muted); margin-top: 2px }
.event__bio{
  font-size: 15px;
  opacity: .82;
  margin: 0 0 8px;
}

/* ---------- Form card ---------- */
.form-section{ margin-top: 8px }
.form-card{
  background: rgba(255,255,255,.04);
  border: 1px solid var(--c-card-bd);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}
.form-card::before{
  content:'';
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 0% 0%, rgba(244,200,66,.10), transparent 60%),
    radial-gradient(60% 50% at 100% 100%, rgba(226,80,58,.10), transparent 60%);
  pointer-events: none;
}
.form-card > *{ position: relative; z-index: 1 }
.form-card__title{
  font-weight: 900;
  font-size: 26px;
  letter-spacing: -.01em;
  margin: 0 0 4px;
}
.form-card__sub{
  margin: 0 0 22px;
  font-size: 14px;
  color: var(--c-muted);
}

.form{ display: grid; gap: 14px }
.field{ display: grid; gap: 6px; position: relative }
.field label{
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--c-muted);
  text-transform: uppercase;
}
.field__wrap{ position: relative }
.field input, .field select{
  font: inherit;
  font-size: 16px; /* iOS no-zoom */
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--c-input-bd);
  background: var(--c-input-bg);
  color: var(--c-input-text);
  width: 100%;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t-fast);
  font-weight: 500;
}
.field input::placeholder{ color: rgba(29,18,48,.45); font-weight: 400 }
.field input:focus, .field select:focus{
  border-color: var(--c-input-bd-focus);
  box-shadow: 0 0 0 4px rgba(244,200,66,.18);
}
.field--invalid input, .field--invalid select{
  border-color: var(--c-err);
  box-shadow: 0 0 0 4px rgba(255,143,122,.18);
}
.field--valid input, .field--valid select{
  border-color: var(--c-success);
}
.field--valid .field__check::after{
  content: '✓';
  position: absolute;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  color: var(--c-success);
  font-weight: 900;
  font-size: 18px;
  animation: pop var(--t-spring);
}
@keyframes pop{
  0%{ opacity: 0; transform: translateY(-50%) scale(.5) }
  100%{ opacity: 1; transform: translateY(-50%) scale(1) }
}

.field__hint{
  font-size: 12px;
  color: var(--c-faint);
  line-height: 1.4;
}
.field__error{
  font-size: 13px;
  color: var(--c-err);
  font-weight: 500;
  animation: shake .35s;
}
@keyframes shake{
  0%,100%{ transform: translateX(0) }
  25%{ transform: translateX(-4px) }
  75%{ transform: translateX(4px) }
}

.field__loading{
  position: absolute;
  right: 14px; top: 50%;
  transform: translateY(-50%);
  width: 18px; height: 18px;
  border: 2.5px solid rgba(29,18,48,.18);
  border-top-color: var(--c-bg);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

.field-row{
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 10px;
}
.field--uf select{ text-align:center; font-weight: 700 }
.field--grow{ min-width: 0 }

/* ---------- Honeypot ---------- */
.hp{
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

/* ---------- Primary Button ---------- */
.btn-primary{
  position: relative;
  margin-top: 10px;
  background: linear-gradient(135deg, var(--c-cta) 0%, var(--c-cta-2) 100%);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 18px 20px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .03em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  box-shadow: 0 8px 24px rgba(226,80,58,.35), inset 0 1px 0 rgba(255,255,255,.18);
  transition: transform var(--t-fast), box-shadow var(--t-fast), filter var(--t-fast);
  overflow: hidden;
}
.btn-primary:hover{
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(226,80,58,.45), inset 0 1px 0 rgba(255,255,255,.22);
  filter: brightness(1.05);
}
.btn-primary:active{ transform: translateY(0) scale(.99) }
.btn-primary:disabled{ opacity:.7; cursor: wait; transform: none }
.btn-primary__arrow{
  display: inline-block;
  transition: transform var(--t-fast);
}
.btn-primary:hover .btn-primary__arrow{ transform: translateX(3px) }
.btn-primary[data-loading="true"] .btn-primary__label,
.btn-primary[data-loading="true"] .btn-primary__arrow{ visibility: hidden }
.btn-primary[data-loading="true"] .btn-primary__spinner{
  position:absolute; top:50%; left:50%;
  width: 22px; height: 22px;
  margin: -11px 0 0 -11px;
  border: 3px solid rgba(255,255,255,.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin{ to { transform: rotate(360deg) } }

/* ---------- Form messages ---------- */
.form-error{
  background: var(--c-err-bg);
  border: 1px solid var(--c-err);
  color: var(--c-err);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  margin: 4px 0 0;
  font-size: 14px;
  font-weight: 500;
  animation: shake .35s;
}
.form-disclaimer{
  font-size: 12px;
  color: var(--c-faint);
  margin: 14px 0 0;
  line-height: 1.5;
}

/* ---------- Footer ---------- */
/* ---------- FAB mobile ---------- */
.fab{
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(80px);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--c-cta) 0%, var(--c-cta-2) 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  padding: 14px 22px;
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 12px 28px rgba(226,80,58,.45), 0 4px 10px rgba(0,0,0,.3);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: transform .35s cubic-bezier(.2,.9,.25,1.15), opacity .25s ease;
  white-space: nowrap;
  max-width: calc(100vw - 32px);
}
.fab.is-visible{
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.fab:hover{
  filter: brightness(1.05);
  text-decoration: none;
  color: #fff;
}
.fab:active{ transform: translateX(-50%) translateY(0) scale(.98) }
.fab__icon{ font-size: 18px }
.fab__arrow{
  font-size: 18px;
  animation: fab-bounce 1.5s ease-in-out infinite;
}
@keyframes fab-bounce{
  0%, 100% { transform: translateY(0) }
  50% { transform: translateY(3px) }
}

/* Esconder FAB no desktop (form fica sticky lateral lá) */
@media (min-width: 760px){
  .fab{ display: none }
}

.footer{
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--c-card-bd);
  font-size: 13px;
  color: var(--c-muted);
  text-align: center;
  line-height: 1.7;
}
.footer__social{
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 22px;
}
.footer__social a{
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--c-card);
  border: 1px solid var(--c-card-bd);
  border-radius: 10px;
  color: var(--c-muted);
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast), transform var(--t-fast);
}
.footer__social a:hover{
  background: var(--c-card-hover);
  border-color: var(--c-accent);
  color: var(--c-accent);
  transform: translateY(-2px);
  text-decoration: none;
}
.footer__dev{
  margin-top: 14px;
  font-size: 12px;
  color: var(--c-faint);
}
.footer__dev a{
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dotted rgba(255,255,255,.4);
  padding-bottom: 1px;
  transition: color .15s, border-color .15s;
}
.footer__dev a:hover{
  color: var(--c-accent);
  border-bottom-color: var(--c-accent);
  text-decoration: none;
}

/* ---------- Desktop ---------- */
@media (min-width: 760px){
  .page{ max-width: 1080px; padding: 32px 28px 64px }
  .event__title{ font-size: 72px }

  /* Two-column on desktop: hero+event left, form right (sticky lateral) */
  main.page{
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr);
    grid-template-areas:
      'topbar  topbar'
      'hero    form'
      'event   form'
      'footer  footer';
    gap: 28px 44px;
    align-items: start;
  }
  .topbar{ grid-area: topbar; margin-bottom: 0; padding-bottom: 0 }
  .topbar__logo img{ width: 52px; height: 52px }
  .topbar__brand{ font-size: 18px }
  .hero{
    grid-area: hero;
    margin: 0;
    border-radius: 18px;
    overflow: hidden;
    background: var(--c-bg-2);
    box-shadow: var(--shadow-card);
  }
  .hero__banner img{
    max-height: 760px;
    width: 100%;
    object-fit: contain;
    object-position: center top;
    filter: none;
  }
  .hero{
    background: linear-gradient(180deg, #5d2e7e 0%, var(--c-bg-2) 100%);
    padding: 4px 4px 0;
  }
  .event{ grid-area: event; margin: 0 }
  .event__meta{ grid-template-columns: 1fr }
  .form-section{ grid-area: form; margin: 0 }
  .footer{ grid-area: footer; margin-top: 24px }
}

/* ---------- Wide desktop ---------- */
@media (min-width: 1100px){
  main.page{
    grid-template-columns: minmax(0, 1.15fr) 420px;
    gap: 32px 56px;
  }
}