@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Inter:wght@300;400;500;600&display=swap');

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #00c8b4;
  --primary-dim: rgba(0, 200, 180, 0.15);
  --primary-border: rgba(0, 200, 180, 0.25);
  --bg: #0a0a18;
  --bg-card: rgba(16, 16, 36, 0.85);
  --text-primary: #ffffff;
  --text-secondary: #9090a8;
  --accent: #ff006e;
  --error: #ff4d6d;
  --success: #00c8b4;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ─── BACKGROUND ─────────────────────────────────────── */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 180, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 180, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

.glow-orb {
  position: fixed;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 200, 180, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
  animation: orbPulse 6s ease-in-out infinite;
}

@keyframes orbPulse {
  0%, 100% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.15); }
}

/* ─── HEADER / LOGO ──────────────────────────────────── */
.site-header {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 3rem 2rem 1.5rem;
  background: linear-gradient(to bottom, rgba(0,200,180,0.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--primary-border);
}

.logo-wrap {
  display: inline-block;
  filter: drop-shadow(0 0 24px rgba(0, 200, 180, 0.55))
          drop-shadow(0 0 60px rgba(0, 200, 180, 0.25));
}

.site-logo {
  max-width: min(680px, 90vw);
  width: 100%;
  height: auto;
  display: block;
  /* blend away any non-transparent PNG background on dark backdrop */
  mix-blend-mode: screen;
}

/* ─── COUNTDOWN ──────────────────────────────────────── */
.countdown-section {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 1.75rem 1rem;
}

.countdown-label {
  font-family: 'Orbitron', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.countdown-grid {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: nowrap;
  justify-content: center;
  max-width: 100%;
}

.countdown-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--primary-border);
  border-radius: 6px;
  padding: 0.6rem 0.75rem;
  min-width: 0;
  flex: 1 1 auto;
  backdrop-filter: blur(10px);
}

.countdown-num {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.3rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.countdown-unit {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.45rem, 1.2vw, 0.55rem);
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-top: 0.3rem;
  white-space: nowrap;
}

.countdown-sep {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1rem, 3vw, 1.5rem);
  font-weight: 700;
  color: var(--primary-border);
  line-height: 1;
  padding-bottom: 0.9rem;
  flex-shrink: 0;
}

.countdown-date {
  margin-top: 1.25rem;
  font-family: 'Orbitron', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* ─── EVENT HERO INFO ────────────────────────────────── */
.event-info {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 2rem 3rem;
}

.event-info-inner {
  display: inline-block;
}

.event-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1.0;
  text-shadow: 0 0 80px rgba(0, 200, 180, 0.3);
}

.event-title span { color: var(--primary); }

.event-subtitle {
  font-family: 'Orbitron', monospace;
  font-size: clamp(0.75rem, 2vw, 0.95rem);
  letter-spacing: 0.3em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-top: 0.75rem;
}

.event-fee {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: rgba(0, 200, 180, 0.7);
  font-family: 'Orbitron', monospace;
  letter-spacing: 0.1em;
}

/* ─── CONTACT BANNER ─────────────────────────────────── */
.contact-banner {
  position: relative;
  z-index: 1;
  margin: 0 1.5rem 2.5rem;
}

.contact-banner-inner {
  max-width: 780px;
  margin: 0 auto;
  background: rgba(0, 200, 180, 0.07);
  border: 1px solid var(--primary-border);
  border-radius: 10px;
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
}

.contact-banner-label {
  font-family: 'Orbitron', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--primary);
  opacity: 0.7;
  white-space: nowrap;
}

.contact-banner-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.2s;
}

.contact-link:hover { color: var(--primary); }

.contact-icon {
  font-size: 1rem;
  color: var(--primary);
}

.contact-divider {
  color: var(--primary-border);
  font-size: 1.2rem;
}

/* ─── FORM SECTION ───────────────────────────────────── */
.form-section {
  position: relative;
  z-index: 1;
  padding: 0 1.5rem 4rem;
}

.form-container {
  max-width: 780px;
  margin: 0 auto;
}

/* Form message (errors / success) */
.form-message {
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.form-message.error {
  background: rgba(255, 77, 109, 0.1);
  border: 1px solid rgba(255, 77, 109, 0.4);
  color: #ff4d6d;
}

.form-message.success {
  background: rgba(0, 200, 180, 0.1);
  border: 1px solid var(--primary-border);
  color: var(--primary);
}

.hidden { display: none !important; }

/* ─── FIELDSET / FORM GROUPS ─────────────────────────── */
.form-group {
  border: 1px solid var(--primary-border);
  border-radius: 10px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  position: relative;
}

.form-group::before {
  content: '';
  position: absolute;
  top: 0;
  left: 1.5rem;
  right: 1.5rem;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 1px;
}

.group-legend {
  font-family: 'Orbitron', monospace;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.5rem;
  margin-bottom: 1.5rem;
}

.group-number {
  font-size: 0.7rem;
  color: var(--primary);
  background: var(--primary-dim);
  border: 1px solid var(--primary-border);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  letter-spacing: 0.05em;
}

/* ─── FIELD GRID ─────────────────────────────────────── */
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field--full { grid-column: 1 / -1; }
.field--sm { max-width: 100%; }

label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.req { color: var(--primary); }
.optional { color: var(--text-secondary); font-size: 0.75rem; font-weight: 400; text-transform: none; letter-spacing: 0; }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select {
  background: rgba(10, 10, 24, 0.8);
  border: 1px solid rgba(0, 200, 180, 0.2);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  -webkit-appearance: none;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 200, 180, 0.12);
}

input.invalid, select.invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(255, 77, 109, 0.1);
}

input::placeholder { color: rgba(144, 144, 168, 0.5); }

select option { background: #0f0f1e; color: #fff; }

.field-error {
  font-size: 0.75rem;
  color: var(--error);
  min-height: 1rem;
  display: block;
}

/* ─── VALIDATE BUTTON ────────────────────────────────── */
.validate-wrap {
  text-align: center;
  margin-top: 1.5rem;
}

.btn-validate {
  font-family: 'Orbitron', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--primary);
  color: var(--bg);
  border: none;
  border-radius: 6px;
  padding: 1rem 2.5rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
  max-width: 360px;
}

.btn-validate:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(0, 200, 180, 0.3);
}

.btn-validate:active { transform: translateY(0); }

.validate-hint {
  margin-top: 0.75rem;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: 'Orbitron', monospace;
  letter-spacing: 0.05em;
  opacity: 0.7;
}

/* ─── PAYMENT SECTION ────────────────────────────────── */
.payment-section {
  background: var(--bg-card);
  border: 1px solid var(--primary-border);
  border-radius: 10px;
  padding: 2rem;
  margin-top: 1.5rem;
  text-align: center;
  backdrop-filter: blur(12px);
  animation: fadeSlideUp 0.5s ease forwards;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.payment-divider {
  margin-bottom: 1.25rem;
}

.payment-divider-text {
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--primary);
  text-transform: uppercase;
  opacity: 0.8;
}

.payment-amount {
  font-family: 'Orbitron', monospace;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.payment-amount strong {
  color: var(--primary);
  font-size: 1.4rem;
}

.payment-buttons {
  max-width: 380px;
  margin: 0 auto 1.25rem;
}

#paypal-button-container {
  min-height: 45px;
}

.payment-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto;
  opacity: 0.7;
}

/* ─── FOOTER ─────────────────────────────────────────── */
.site-footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--primary-border);
  font-family: 'Orbitron', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ─── LOADING SPINNER ────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0,200,180,0.3);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

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

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (max-width: 600px) {
  .field-grid { grid-template-columns: 1fr; }
  .field--full { grid-column: 1; }
  .countdown-block { min-width: 70px; padding: 0.75rem 1rem; }
  .form-group { padding: 1.5rem 1rem; }
  .payment-section { padding: 1.5rem 1rem; }
}

@media (max-width: 400px) {
  .countdown-sep { display: none; }
}