/* Claude 101 Lunch & Learn — Right Click, Inc.
   Palette from the proposal deck:
   navy #0D1B2A · orange #F58220 · blue #0B5CAD · slate #2D3748/#526274
   tints #FFF2E8 (orange) · #EAF4FF/#D9E3EF (blue) */

:root {
  --navy: #0D1B2A;
  --navy-soft: #16283C;
  --orange: #F58220;
  --orange-dark: #D96D0E;
  --blue: #0B5CAD;
  --ink: #2D3748;
  --ink-soft: #526274;
  --tint-orange: #FFF2E8;
  --tint-blue: #EAF4FF;
  --line: #D8E1EC;
  --white: #FFFFFF;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(13, 27, 42, 0.10);
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow { max-width: 760px; }

h1, h2, h3 { line-height: 1.2; color: var(--navy); }

h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 8px; }

.section { padding: 72px 0; }

.section-tint { background: var(--tint-blue); }

.section-sub {
  color: var(--ink-soft);
  max-width: 640px;
  margin-bottom: 36px;
  font-size: 1.05rem;
}

.icon {
  width: 20px; height: 20px;
  fill: none; stroke: currentColor;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  flex-shrink: 0;
}

.icon-sm { width: 16px; height: 16px; }

.nowrap { white-space: nowrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--orange); color: var(--white); }
.btn-primary:hover { background: var(--orange-dark); }

.btn-outline { background: transparent; color: var(--white); border-color: rgba(255, 255, 255, 0.45); }
.btn-outline:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

.btn-outline-dark { background: transparent; color: var(--navy); border-color: var(--line); }
.btn-outline-dark:hover { border-color: var(--navy); }

.btn-lg { padding: 14px 30px; font-size: 1.06rem; }

.btn-block { width: 100%; }

.btn-header { padding: 10px 22px; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}

.header-logos { display: flex; align-items: center; gap: 16px; }

.logo-rc { height: 26px; width: auto; display: block; }
.logo-claude { height: 24px; width: auto; display: block; }

.logo-divider {
  width: 1px; height: 26px;
  background: rgba(255, 255, 255, 0.25);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--navy) 55%, #12253B 100%);
  color: var(--white);
  padding: 72px 0 80px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.chip {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  margin-bottom: 18px;
}

.hero h1 .accent { color: var(--orange); }

.hero-sub {
  color: #C6D3E2;
  font-size: 1.12rem;
  max-width: 540px;
  margin-bottom: 26px;
}

.hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 30px;
  font-weight: 600;
}

.hero-meta li { display: flex; align-items: center; gap: 8px; }

.hero-meta a {
  color: var(--white);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.4);
  text-underline-offset: 3px;
}

.hero-meta a:hover { text-decoration-color: var(--orange); }

.hero-meta .icon { color: var(--orange); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

.calendar-menu-wrap { position: relative; }

.calendar-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 240px;
  background: var(--white);
  border-radius: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
  z-index: 20;
}

.calendar-menu a {
  display: block;
  padding: 12px 18px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.calendar-menu a:hover { background: var(--tint-blue); }

.seats-note { max-width: 460px; }

.seats-bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 10px;
}

.seats-bar-fill {
  height: 100%;
  width: 0;
  background: var(--orange);
  border-radius: 999px;
  transition: width 0.6s ease;
}

.seats-note p { color: #C6D3E2; font-size: 0.95rem; }
.seats-note strong { color: var(--white); }

.hero-photo { position: relative; }

.hero-photo img {
  width: 100%;
  display: block;
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.lunch-badge {
  position: absolute;
  left: -18px;
  bottom: -18px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  color: var(--navy);
  border-radius: 12px;
  padding: 12px 18px;
  box-shadow: var(--shadow);
}

.lunch-badge .icon { color: var(--orange); width: 26px; height: 26px; }

.lunch-badge div { display: flex; flex-direction: column; line-height: 1.3; }

.lunch-badge strong { font-size: 0.98rem; }

.lunch-badge span { font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- Learn cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}

.card-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 999px;
  background: var(--tint-orange);
  color: var(--orange-dark);
  font-weight: 700;
  margin-bottom: 14px;
}

.card h3 { font-size: 1.08rem; margin-bottom: 6px; }

.card p { color: var(--ink-soft); font-size: 0.96rem; }

.card-highlight {
  background: var(--navy);
  border-color: var(--navy);
  display: flex;
  align-items: center;
}

.card-quote {
  color: var(--white) !important;
  font-size: 1.05rem !important;
  font-weight: 600;
  font-style: italic;
  line-height: 1.5;
}

/* ---------- Agenda ---------- */
.agenda {
  list-style: none;
  max-width: 760px;
  border-left: 3px solid var(--line);
  padding-left: 0;
}

.agenda li {
  position: relative;
  display: flex;
  gap: 24px;
  padding: 0 0 28px 28px;
}

.agenda li:last-child { padding-bottom: 0; }

.agenda li::before {
  content: "";
  position: absolute;
  left: -8.5px;
  top: 6px;
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--orange);
  border: 3px solid var(--tint-blue);
}

.agenda-time {
  flex: 0 0 118px;
  white-space: nowrap;
  font-weight: 700;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
  padding-top: 2px;
}

.agenda h3 { font-size: 1.05rem; margin-bottom: 2px; }

.agenda p { color: var(--ink-soft); font-size: 0.96rem; }

.tag-lunch {
  display: inline-block;
  background: var(--tint-orange);
  color: var(--orange-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 2px 10px;
  margin-left: 8px;
  vertical-align: 2px;
}

/* ---------- Speaker ---------- */
.speaker-card {
  display: flex;
  gap: 28px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  max-width: 760px;
}

.speaker-photo {
  flex: 0 0 140px;
  width: 140px;
  height: 140px;
  border-radius: 999px;
  object-fit: cover;
  object-position: top;
  border: 3px solid var(--tint-orange);
  box-shadow: var(--shadow);
}

.speaker-info h3 { font-size: 1.3rem; }

.speaker-title {
  color: var(--orange-dark);
  font-weight: 600;
  margin-bottom: 10px;
}

.speaker-bio { color: var(--ink-soft); }

/* ---------- Venue ---------- */
.venue-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 36px;
  align-items: start;
}

.venue-info h3 { font-size: 1.2rem; margin-bottom: 10px; }

.venue-address {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.venue-note { color: var(--ink-soft); margin-bottom: 22px; }

.venue-map iframe {
  width: 100%;
  height: 320px;
  border: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--line);
}

/* ---------- Signup form ---------- */
.section-signup {
  background: linear-gradient(160deg, var(--navy) 55%, #12253B 100%);
}

.section-signup h2 { color: var(--white); }

.section-signup .section-sub { color: #C6D3E2; }

.section-signup .section-sub strong { color: var(--white); }

.form-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field { margin-bottom: 18px; }

.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.94rem;
  margin-bottom: 6px;
}

.req { color: var(--orange-dark); }

.optional { color: var(--ink-soft); font-weight: 400; font-size: 0.86rem; }

.form-field input {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.15s ease;
}

.form-field input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(11, 92, 173, 0.15);
}

.form-field.invalid input { border-color: #C0392B; }

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.94rem;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--orange);
  cursor: pointer;
  flex-shrink: 0;
}

.form-field input::placeholder { color: #AAB7C6; }

.field-error {
  color: #C0392B;
  font-size: 0.85rem;
  margin-top: 5px;
}

.demo-note {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.84rem;
  margin-top: 14px;
}

.form-success, .form-full { text-align: center; padding: 18px 8px; }

.success-icon, .full-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px; height: 64px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.success-icon { background: #E8F6EC; color: #1E7B3C; }

.full-icon { background: var(--tint-orange); color: var(--orange-dark); }

.success-icon .icon, .full-icon .icon { width: 30px; height: 30px; }

.form-success h3, .form-full h3 { font-size: 1.4rem; margin-bottom: 10px; }

.form-success p, .form-full p { color: var(--ink-soft); max-width: 440px; margin: 0 auto 8px; }

.success-sub { margin-top: 12px !important; }

.success-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.form-full a { color: var(--blue); font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy);
  color: #C6D3E2;
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  text-align: center;
}

.footer-text { font-size: 0.95rem; }

.footer-text a { color: var(--white); }

.footer-fine { font-size: 0.82rem; color: #7A8797; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-photo { max-width: 520px; }
  .lunch-badge { left: 12px; bottom: -18px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .venue-grid { grid-template-columns: 1fr; }
  .speaker-card { flex-direction: column; text-align: center; }
}

@media (max-width: 560px) {
  .section { padding: 56px 0; }
  .hero { padding: 48px 0 64px; }
  .cards-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .agenda li { flex-direction: column; gap: 4px; }
  .agenda-time { flex-basis: auto; }
  .form-card { padding: 24px 20px; }
  .hero-actions .btn { width: 100%; }
  .calendar-menu-wrap { width: 100%; }
  .logo-rc { height: 20px; }
  .logo-claude { height: 19px; }
  .header-logos { gap: 10px; }
}