:root {
  --gold: oklch(0.82 0.17 84);
  --background: oklch(0.18 0.08 258);
  --foreground: oklch(0.97 0.015 90);
  --card: oklch(0.23 0.09 258);
  --muted: oklch(0.80 0.025 90);
  --input: oklch(0.97 0.015 90 / 22%);
  --border: oklch(0.82 0.17 84 / 28%);
  --destructive: oklch(0.62 0.22 28);
  --radius: 0.6rem;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  margin: 0;
  min-width: 320px;
  background-color: var(--background);
  color: var(--foreground);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  background-image:
    radial-gradient(circle at 50% 0%, oklch(0.30 0.12 258 / 35%), transparent 55%),
    linear-gradient(180deg, oklch(0.20 0.10 258), oklch(0.15 0.07 258));
}

button,
input,
textarea,
select {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

.banner {
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid oklch(0.82 0.17 84 / 40%);
  background: oklch(0.20 0.12 258);
}

.banner img {
  display: block;
  width: 100%;
  height: auto;
}

.banner-mobile {
  display: none !important;
}

.main-content {
  width: min(100% - 2rem, 42rem);
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.page-title {
  margin-bottom: 2rem;
  text-align: center;
}

.page-title h1 {
  margin: 0;
  color: var(--gold);
  font-size: clamp(1.875rem, 5vw, 2.25rem);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.church-title {
  margin: .25rem 0 0;
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  font-weight: 700;
}

.conference-title {
  margin: 1rem 0 0;
  font-size: clamp(1.125rem, 3.5vw, 1.25rem);
  font-weight: 600;
}

.conference-hi {
  margin: 0;
  color: var(--gold);
  font-size: clamp(1rem, 3vw, 1.125rem);
  font-weight: 500;
}

.gold-line {
  width: 5rem;
  height: 2px;
  margin: 1rem auto 0;
  background: var(--gold);
}

.intro {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: .875rem;
  line-height: 1.6;
}

.form-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.25rem;
  border: 1px solid oklch(0.82 0.17 84 / 30%);
  border-radius: .75rem;
  background: oklch(0.23 0.09 258 / 95%);
  box-shadow: 0 25px 50px -12px rgba(0,0,0,.45);
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.field-group label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .125rem;
  font-size: .875rem;
  font-weight: 600;
  line-height: 1.4;
}

.field-group label small {
  color: var(--muted);
  font-size: .75rem;
  font-weight: 400;
}

.field-group label b,
.field-group label strong {
  color: var(--gold);
}

.field-group label strong {
  font-weight: 700;
}

/* ============================================================
   ASSISTANCE / GUIDANCE NOTE
   ============================================================ */

.assistance-note {
  padding: .9rem 1rem;
  border: 1px solid #f1c40f;
  border-radius: .5rem;
  color: #2b2200;
  background: #fff3a6;
  box-shadow: 0 3px 10px rgba(0, 0, 0, .18);
  font-size: .82rem;
  line-height: 1.55;
}

.assistance-note strong {
  display: block;
  margin-bottom: .25rem;
  color: #6b4f00;
  font-size: .9rem;
  font-weight: 800;
}

.assistance-note p {
  margin: 0 0 .8rem;
}

.assistance-note p:last-child {
  margin-bottom: 0;
}

input,
textarea,
select {
  width: 100%;
  color: var(--foreground);
  border: 1px solid var(--input);
  border-radius: .375rem;
  background: transparent;
  outline: none;
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
  transition: border-color .15s ease, box-shadow .15s ease;
}

input,
select {
  height: 2.5rem;
  padding: .5rem .75rem;
}

textarea {
  min-height: 60px;
  padding: .625rem .75rem;
  resize: vertical;
}

input::placeholder,
textarea::placeholder,
select:invalid {
  color: oklch(0.80 0.025 90 / 80%);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}

select {
  appearance: auto;
}

option {
  color: #15192b;
  background: #fff;
}

.phone-row {
  display: flex;
  gap: .5rem;
  width: 100%;
}

#country {
  width: 52%;
  flex: 0 0 52%;
}

#phone {
  min-width: 0;
  flex: 1;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: .75rem;
}

.message {
  margin: 0;
  padding: .5rem .75rem;
  border-radius: .5rem;
  font-size: .875rem;
  line-height: 1.45;
}

.message.error {
  color: #fff;
  border: 1px solid oklch(0.62 0.22 28 / 40%);
  background: oklch(0.62 0.22 28 / 15%);
}

.submit-button {
  width: 100%;
  min-height: 3rem;
  border: 0;
  border-radius: .375rem;
  color: oklch(0.18 0.08 258);
  background: var(--gold);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(0,0,0,.2);
  transition: opacity .15s ease, transform .15s ease;
}

.submit-button:hover {
  opacity: .9;
}

.submit-button:active {
  transform: translateY(1px);
}

.submit-button:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.required-note {
  margin: 0;
  color: var(--muted);
  text-align: center;
  font-size: .75rem;
  line-height: 1.6;
}

.required-note b {
  color: var(--gold);
}

.modal[hidden],
.message[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.72);
}

.modal-card {
  position: relative;
  width: min(100%, 24rem);
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: oklch(0.20 0.08 258);
  box-shadow: 0 25px 60px rgba(0,0,0,.5);
}

.modal-card p {
  color: var(--muted);
  line-height: 1.6;
}

.confirmation-card {
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
}

.confirmation-card h2 {
  margin: 0;
  color: var(--gold);
  font-size: 1.2rem;
  line-height: 1.35;
}

.cancel-button {
  width: 100%;
  min-height: 2.75rem;
  margin-top: .75rem;
  border: 1px solid var(--border);
  border-radius: .375rem;
  color: var(--foreground);
  background: transparent;
  font-weight: 600;
}

.cancel-button:hover {
  background: oklch(0.97 0.015 90 / 8%);
}

.cancel-button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.success-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  color: var(--gold);
  font-weight: 700;
}

.check-icon {
  display: inline-grid;
  width: 1.35rem;
  height: 1.35rem;
  place-items: center;
  border: 2px solid var(--gold);
  border-radius: 50%;
  font-size: .8rem;
}

.whatsapp-actions {
  display: grid;
  gap: .75rem;
  margin: 1.25rem 0;
}

.whatsapp-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .625rem;
  min-height: 3rem;
  padding: .625rem .75rem;
  border: 1px solid #25d366;
  border-radius: .375rem;
  color: #fff;
  background: #128c7e;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  transition: background-color .15s ease, transform .15s ease;
}

.whatsapp-link:hover {
  background: #075e54;
}

.whatsapp-link:active {
  transform: translateY(1px);
}

.whatsapp-link:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.whatsapp-link img {
  display: block;
  width: 1.35rem;
  height: 1.35rem;
  flex: 0 0 1.35rem;
}

/* ============================================================
   FLOATING WHATSAPP HELP BUTTON
   ============================================================ */

.whatsapp-help {
  position: fixed;
  right: 1.25rem;
  bottom: 1.5rem;
  z-index: 900;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;

  text-decoration: none;

  padding: .25rem;

  transition: opacity .15s ease, transform .15s ease;
}

.whatsapp-help.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(.5rem);
}

/* WhatsApp icon */
.whatsapp-help img {
  display: block;

  width: 4rem;
  height: 4rem;

  border-radius: 0;
  object-fit: contain;
  object-position: center;

  box-shadow: none;

  transition: transform .18s ease;
}

.whatsapp-help:hover img {
  transform: scale(1.06);
}

.whatsapp-help:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: .5rem;
}

.help-bubble {
  position: relative;

  padding: .4rem .75rem;

  border: 1px solid var(--border);
  border-radius: 1rem 1rem 1rem .25rem;

  color: var(--foreground);
  background: var(--card);

  font-size: .8rem;
  font-weight: 700;

  box-shadow: 0 3px 10px rgba(0,0,0,.25);
}

@media (min-width: 640px) {
  .banner-desktop {
    display: block !important;
  }

  .banner-mobile {
    display: none !important;
  }

  .main-content {
    padding-top: 3rem;
  }

  .form-card {
    padding: 2rem;
  }

  .intro {
    font-size: 1rem;
  }

  #country {
    width: 12rem;
    flex-basis: 12rem;
  }
}

@media (max-width: 639px) {
  .banner-desktop {
    display: none !important;
  }

  .banner-mobile {
    display: block !important;
  }

  .modal-card {
    padding: 1.25rem;
  }

  .assistance-note {
    padding: .8rem .85rem;
    font-size: .78rem;
  }

  .assistance-note strong {
    font-size: .85rem;
  }

  .whatsapp-help {
    right: .75rem;
    bottom: 1.5rem;
    padding: .25rem;
  }

  .whatsapp-help img {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 0;
    object-fit: contain;
  }
}