/* reserve-your-place.css */

:root {
  --page-bg: #f4efe4;
  --surface: #fffaf0;
  --text: #172026;
  --muted: #5f6b72;
  --line: rgba(23, 32, 38, 0.14);
  --accent: #315d64;
  --accent-2: #b56d47;
  --dark: #17353a;
  --shadow: 0 22px 55px rgba(40, 49, 53, 0.10);
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background:
    linear-gradient(rgba(244,239,228,.95), rgba(244,239,228,.95)),
    repeating-linear-gradient(0deg, transparent 0 31px, rgba(49,93,100,.04) 31px 32px),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(49,93,100,.04) 31px 32px);
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(244,239,228,.88);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { font-weight: 850; letter-spacing: -.025em; }
.brand span { color: var(--accent); }
.back-link { color: var(--muted); font-size: .95rem; }

.page-main { padding: 72px 0 86px; }

.registration-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 42px;
  align-items: start;
}

.session-summary { position: sticky; top: 32px; }

.session-summary > p {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 52ch;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -.035em;
}

h1 {
  max-width: 10ch;
  margin-bottom: 18px;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}

.event-card {
  position: relative;
  overflow: hidden;
  margin-top: 28px;
  padding: 28px;
  color: #fff;
  background: linear-gradient(145deg,#193c42,#315d64);
  border-radius: 26px;
  box-shadow: var(--shadow);
}

.event-card::after {
  content: "";
  position: absolute;
  top: -130px;
  right: -120px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
}

.event-eyebrow { color: #d7ece8; }

.event-card h2 {
  margin-bottom: 8px;
  font-size: 2rem;
}

.event-subtitle {
  margin-bottom: 20px;
  color: rgba(255,255,255,.76);
}

.event-meta {
  display: grid;
  margin-top: 18px;
  border-top: 1px solid rgba(255,255,255,.13);
}

.meta-row {
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.13);
}

.meta-label {
  display: block;
  margin-bottom: 2px;
  color: rgba(255,255,255,.58);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.meta-value { font-weight: 800; }

.free-badge {
  display: inline-block;
  margin-top: 18px;
  padding: 7px 11px;
  font-size: .86rem;
  font-weight: 850;
  background: rgba(255,255,255,.11);
  border-radius: 999px;
}

.form-card {
  padding: 34px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.form-card h2 {
  margin-bottom: 10px;
  font-size: clamp(2rem,4vw,3.2rem);
}

.form-intro {
  margin-bottom: 28px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field { margin-bottom: 18px; }

label {
  display: block;
  margin-bottom: 7px;
  font-size: .88rem;
  font-weight: 800;
}

.optional {
  color: var(--muted);
  font-weight: 500;
}

input, select, textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--text);
  font: inherit;
  background: #fffdf7;
  border: 1px solid rgba(23,32,38,.18);
  border-radius: 12px;
  outline: none;
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(49,93,100,.10);
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 18px 0 22px;
  color: var(--muted);
  font-size: .88rem;
}

.checkbox-row input {
  flex: 0 0 auto;
  width: auto;
  margin-top: 4px;
}

.checkbox-row label {
  margin: 0;
  font-weight: 500;
}

.primary-button {
  width: 100%;
  min-height: 50px;
  color: #fff;
  font: inherit;
  font-weight: 850;
  cursor: pointer;
  background: var(--accent);
  border: 0;
  border-radius: 999px;
  transition: transform .2s ease, opacity .2s ease;
}

.primary-button:hover:not(:disabled) { transform: translateY(-2px); }

.primary-button:disabled {
  cursor: not-allowed;
  opacity: .65;
}

.registration-message {
  margin: 16px 0;
  padding: 14px 16px;
  font-weight: 600;
  border-radius: 12px;
}

.registration-message:empty { display: none; }

.registration-success {
  color: #245443;
  background: #edf7f2;
  border: 1px solid #c7dfd3;
}

.registration-error {
  color: #873d32;
  background: #fff1ef;
  border: 1px solid #eccbc5;
}

.field-error {
  border-color: #a94d40 !important;
  box-shadow: 0 0 0 3px rgba(169,77,64,.10) !important;
}

.privacy-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: .82rem;
  text-align: center;
}

.after-registration {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.after-registration h3 {
  margin-bottom: 8px;
  font-size: 1.12rem;
}

.after-registration p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
}

.site-footer {
  padding: 28px 0;
  color: var(--muted);
  font-size: .9rem;
  border-top: 1px solid var(--line);
}

.footer-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
}

@media (max-width: 860px) {
  .registration-layout { grid-template-columns: 1fr; }
  .session-summary { position: static; }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 24px), var(--max-width));
  }

  .page-main { padding: 54px 0 70px; }
  .form-grid { grid-template-columns: 1fr; }

  .form-card,
  .event-card {
    padding: 24px;
  }
}