:root {
  --purple-deep: #4a1e5e;
  --purple-mid: #6b3d7a;
  --lilac: #b587d1;
  --lilac-soft: #e8d5f2;
  --lavender-bg: #f3eaf8;
  --gold: #c9a227;
  --gold-soft: #e8c84a;
  --ink: #2a1435;
  --muted: #6a5575;
  --white: #ffffff;
  --font-display: "Playfair Display", Georgia, serif;
  --font-sans: "DM Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(181, 135, 209, 0.35), transparent 55%),
    radial-gradient(ellipse 70% 40% at 90% 5%, rgba(201, 162, 39, 0.12), transparent 50%),
    linear-gradient(180deg, #f7f0fb 0%, #efe3f6 45%, #f8f4fb 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' viewBox='0 0 120 120' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M10 60c20-30 40-30 50 0s30 30 50 0' fill='none' stroke='%23b587d1' stroke-opacity='0.18' stroke-width='1'/%3E%3C/svg%3E");
  z-index: 0;
}

.page {
  position: relative;
  z-index: 1;
}

.font-display {
  font-family: var(--font-display);
}

.logo-rommanel {
  display: block;
  width: min(180px, 48vw);
  height: auto;
}

@media (min-width: 768px) {
  .logo-rommanel {
    width: 220px;
  }
}

.badge-exclusive {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--purple-deep);
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.55rem 1rem;
  border-radius: 999px;
}

.brand-rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  color: var(--purple-deep);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.85rem;
}

.brand-rule::before,
.brand-rule::after {
  content: "";
  height: 1px;
  width: 2.5rem;
  background: var(--gold);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-deep);
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  border: 2px solid var(--gold);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 10px 30px rgba(74, 30, 94, 0.25);
}

.btn-primary:hover {
  background: var(--purple-mid);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: #25d366;
  color: var(--white);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.95rem 1.5rem;
  border-radius: 999px;
  border: 2px solid #1ebe57;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.28);
}

.btn-whatsapp:hover {
  background: #1ebe57;
  transform: translateY(-1px);
}

.btn-subtle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--purple-deep);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(74, 30, 94, 0.28);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-subtle:hover {
  background: rgba(74, 30, 94, 0.06);
  border-color: rgba(74, 30, 94, 0.45);
}

.btn-subtle-on-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.btn-subtle-on-dark:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.85);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.chip {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(74, 30, 94, 0.12);
  color: var(--purple-deep);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
}

.section-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(74, 30, 94, 0.1);
  border-radius: 1.25rem;
  backdrop-filter: blur(8px);
}

.speaker-panel {
  background: linear-gradient(160deg, #b587d1 0%, #9a6bb8 100%);
  color: var(--white);
}

.detail-grid {
  display: grid;
  gap: 0.85rem;
}

.detail-item {
  display: grid;
  gap: 0.15rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.65);
  border-radius: 0.9rem;
  border: 1px solid rgba(74, 30, 94, 0.08);
}

.detail-item span {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 700;
}

.detail-item strong {
  color: var(--purple-deep);
  font-size: 1rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--purple-deep);
  margin-bottom: 0.4rem;
}

.field input,
.field select {
  width: 100%;
  border: 1.5px solid rgba(74, 30, 94, 0.18);
  border-radius: 0.85rem;
  padding: 0.85rem 1rem;
  font: inherit;
  background: var(--white);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234A1E5E' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.field input:focus,
.field select:focus {
  border-color: var(--lilac);
  box-shadow: 0 0 0 3px rgba(181, 135, 209, 0.25);
}

.form-error {
  color: #9b1c1c;
  font-size: 0.85rem;
  min-height: 1.25rem;
}

.convite-frame {
  border-radius: 1.25rem;
  overflow: hidden;
  border: 1px solid rgba(74, 30, 94, 0.12);
  box-shadow: 0 20px 50px rgba(74, 30, 94, 0.18);
}

.convite-frame img,
.speaker-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1rem;
  object-fit: cover;
  object-position: center 12%;
  aspect-ratio: 3 / 4;
  max-height: 520px;
}

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
  background: rgba(247, 240, 251, 0.92);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(74, 30, 94, 0.1);
  transform: translateY(110%);
  transition: transform 0.25s ease;
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: reveal-up 0.7s ease forwards;
}

.reveal-delay-1 { animation-delay: 0.12s; }
.reveal-delay-2 { animation-delay: 0.24s; }
.reveal-delay-3 { animation-delay: 0.36s; }

@keyframes reveal-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.gold-accent {
  color: var(--gold);
}

.urgency {
  color: var(--purple-deep);
  font-weight: 700;
}

@media (min-width: 768px) {
  .sticky-cta {
    display: none;
  }
}