:root {
  --bg: #ffffff;
  --frame-bg: #A2D9E4;
  --frame-border: #9B6733;
  --card-bg: #ffffff;

  --text-primary: #2a2a2a;
  --text-body: #3C4F63;
  --text-muted: #6b7686;

  --accent-blue: #567EB9;
  --accent-brown: #63462C;
  --accent-brown-hover: #4f371f;

  --border: #e4e7eb;
  --field-border: rgba(0, 0, 0, 0.3);
  --border-focus: #9B6733;
  --required-red: #e84855;

  --notice-bg: #eef3fb;
  --notice-border: #cfd9ea;

  --radius-card: 4px;
  --radius-frame: 6px;
  --radius-field: 3px;
  --radius-pill: 95px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;

  --max-card: 900px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Header ---------- */

.site-header {
  padding: var(--space-3) var(--space-4);
  max-width: var(--max-card);
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand__logo {
  display: block;
  height: 48px;
  width: auto;
}

.brand__tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 13px;
  border: 1px solid #d1d8e0;
  border-radius: var(--radius-pill);
}

/* ---------- Page + Frame + Card ---------- */

.page {
  flex: 1;
  padding: 0 var(--space-3) var(--space-5);
  max-width: var(--max-card);
  margin: 0 auto;
  width: 100%;
}

.frame {
  background: var(--frame-bg);
  border: 5px solid var(--frame-border);
  border-radius: var(--radius-frame);
  padding: 20px;
}

.card {
  background: var(--card-bg);
  color: var(--text-primary);
  border-radius: var(--radius-card);
  padding: var(--space-5) clamp(var(--space-3), 5vw, 72px);
}

/* ---------- Notice banner ---------- */

.notice {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  padding: var(--space-2) var(--space-3);
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: var(--space-4);
}

.notice--alert {
  background: #fff8e1;
  border-color: #facc15;
}

.notice__icon {
  font-size: 18px;
  line-height: 1;
  margin-top: 1px;
  flex-shrink: 0;
}

.notice__text { line-height: 1.5; }

/* ---------- Event content ---------- */

.event__sponsor {
  display: flex;
  justify-content: center;
  margin: var(--space-2) 0 var(--space-3);
}

.event__sponsor-logo {
  max-width: 380px;
  width: 100%;
  height: auto;
}

.event__title {
  font-size: clamp(22px, 3.2vw, 27px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  text-align: center;
  margin: 0 auto 6px;
  max-width: 560px;
}

.event__when {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--text-body);
  text-align: center;
  margin: 0 auto var(--space-3);
  font-variant-numeric: tabular-nums;
}

.event__body {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-body);
  text-align: center;
  margin: 0 auto var(--space-3);
  max-width: 560px;
}

.event__tagline {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-muted);
  text-align: center;
  margin: 0 auto var(--space-4);
  max-width: 520px;
}

/* ---------- Form ---------- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.form__row {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.field__label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: #1f2733;
}

.field__req { color: var(--required-red); }

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"] {
  font: inherit;
  font-size: 16px;
  color: var(--text-primary);
  padding: 11px 13px;
  border: 1px solid var(--field-border);
  border-radius: var(--radius-field);
  background: #ffffff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(155, 103, 51, 0.18);
}

.field input::placeholder { color: #a0a8b5; }

/* ---------- Buttons ---------- */

.btn {
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--accent-brown);
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn--primary {
  background: var(--accent-brown);
  color: #ffffff;
}

.btn--primary:hover:not(:disabled) { background: var(--accent-brown-hover); border-color: var(--accent-brown-hover); }
.btn--primary:active:not(:disabled) { transform: translateY(1px); }
.btn--primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn--secondary {
  background: transparent;
  color: var(--accent-brown);
  border-color: var(--accent-brown);
}
.btn--secondary:hover { background: rgba(99, 70, 44, 0.08); }

.btn--zoom {
  background: #2D8CFF;
  color: #ffffff;
  border-color: #2D8CFF;
  font-size: 17px;
  font-weight: 600;
}
.btn--zoom:hover { background: #2276dd; border-color: #2276dd; }

.btn--block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  text-decoration: none;
  margin-bottom: var(--space-4);
  width: 100%;
}

.btn__icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* ---------- Notes + errors ---------- */

.form__note {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin: var(--space-1) auto 0;
  max-width: 540px;
}

.form__error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: var(--space-2) var(--space-3);
  border-radius: 8px;
  font-size: 14px;
  margin: 0;
}

/* ---------- Confirmation page styles (registered/) ---------- */

.reg__title {
  font-size: clamp(27px, 4vw, 34px);
  font-weight: 600;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 var(--space-2);
  letter-spacing: -0.022em;
  text-align: center;
}

.reg__event-name {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text-primary);
  margin: 0 0 4px;
  text-align: center;
}

.reg__event-time {
  font-size: 15px;
  color: var(--text-body);
  font-variant-numeric: tabular-nums;
  margin: 0 0 var(--space-3);
  text-align: center;
}

.reg__body {
  font-size: 16px;
  color: var(--text-body);
  margin: 0 0 var(--space-4);
  text-align: center;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Footer ---------- */

.site-footer {
  padding: var(--space-3) var(--space-4);
  max-width: var(--max-card);
  margin: 0 auto;
  width: 100%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-3);
  font-size: 14px;
  color: var(--text-muted);
}

/* "Powered by JUMBO" is a wordmark, not a sentence — it must never break
   across two lines. Measured wrapping at 900px before this was added. */
.footer__powered { white-space: nowrap; }

.footer__powered strong {
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.16em;
  /* trailing tracking on the final letter leaves a phantom gap */
  margin-right: -0.16em;
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {
  .site-header, .page, .site-footer { padding-left: var(--space-3); padding-right: var(--space-3); }
  .frame { padding: 12px; }
  .card { padding: var(--space-4) var(--space-3); }
  .site-footer { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .event__sponsor-logo { max-width: 280px; }
}