:root {
  --ink-dark: #111111;
  --accent: #444444;
  --accent-dark: #000000;
  --accent-light: #F0F0F0;
  --gray: #5F5F5F;
  --ink: #1a1a1a;
  --bg: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #000;
  border-bottom: 1px solid #222;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 14px 24px;
  max-width: 1120px;
  margin: 0 auto;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}

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

.brand span {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.nav-menu {
  position: relative;
}

.nav-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1.5px solid #e2e2e2;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.nav-menu-btn svg { width: 18px; height: 18px; }

.nav-menu-btn:hover,
.nav-menu.open .nav-menu-btn {
  border-color: var(--ink-dark);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 170px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 14px;
  box-shadow: 0 12px 28px -10px rgba(0,0,0,0.18);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
  z-index: 20;
}

.nav-dropdown a {
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--gray);
  padding: 10px 14px;
  border-radius: 9px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-dropdown a:hover,
.nav-dropdown a.active {
  background: var(--accent-light);
  color: var(--ink);
}

.nav-menu.open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

@media (hover: hover) {
  .nav-menu:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

/* Hero (homepage) */
.hero {
  position: relative;
  padding: 36px 24px 56px;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 85% -10%, var(--accent-light), transparent 60%),
    radial-gradient(700px 400px at -10% 110%, var(--accent-light), transparent 60%);
  min-height: calc(100vh - 66px);
  display: flex;
  align-items: center;
}

.hero-inner {
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-dark);
  background: var(--accent-light);
  border: 1px solid #e2e2e2;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--ink);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--ink-dark), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--ink-dark);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 999px;
  box-shadow: 0 10px 24px -8px rgba(0,0,0,0.3);
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 14px 28px -8px rgba(0,0,0,0.4);
}

.btn-primary svg { width: 18px; height: 18px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  padding: 15px 30px;
  border-radius: 999px;
  border: 1.5px solid #ddd;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.btn-secondary:hover { border-color: var(--ink); transform: translateY(-2px); }

.hero-note {
  margin-top: 14px;
  font-size: 14px;
  color: var(--gray);
}

/* Activities teaser (homepage) */
.activities {
  padding: 64px 24px;
  border-top: 1px solid #eee;
}

.activities-inner {
  max-width: 1120px;
  margin: 0 auto;
}

.activities h2 {
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 32px;
}

.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.activity-card {
  display: block;
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 16px;
  padding: 28px 24px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.activity-card:hover {
  border-color: var(--ink-dark);
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -12px rgba(0,0,0,0.25);
}

.activity-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.activity-card .icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--ink-dark);
}

.activity-card h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 6px;
}

.activity-card p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.5;
}

.activity-card .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 700;
}

.activity-card .link svg { width: 14px; height: 14px; }

/* Content / advice pages */
.page-header {
  padding: 48px 24px 36px;
  text-align: center;
  background: var(--accent-light);
  border-bottom: 1px solid #eee;
}

.page-header-inner {
  max-width: 720px;
  margin: 0 auto;
}

.page-header .eyebrow { margin-bottom: 16px; }

.page-header h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.disclaimer {
  margin-top: 14px;
  font-size: 13.5px;
  font-style: italic;
  color: var(--gray);
  background: #fff;
  border: 1px dashed #ccc;
  border-radius: 10px;
  padding: 10px 16px;
  display: inline-block;
}

.content {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.content p.lead {
  font-size: 17px;
  color: var(--gray);
  margin-bottom: 36px;
}

.content h2 {
  font-size: 22px;
  font-weight: 800;
  margin: 40px 0 16px;
  letter-spacing: -0.01em;
}

.content h2:first-of-type { margin-top: 0; }

.content ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.content ul li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--ink);
  line-height: 1.55;
}

.content ul.tips li::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--ink-dark);
  margin-top: 7px;
}

.content ul.mistakes li::before {
  content: "✕";
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: #fbeaea;
  color: #b23b3b;
  font-size: 11px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gear-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.gear-item {
  background: var(--accent-light);
  border-radius: 12px;
  padding: 16px 18px;
  font-size: 14.5px;
  font-weight: 600;
}

.content-cta {
  margin-top: 48px;
  padding: 28px;
  border-radius: 16px;
  background: var(--ink-dark);
  color: #fff;
  text-align: center;
}

.content-cta h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 8px;
}

.content-cta p {
  font-size: 14px;
  color: #ccc;
  margin-bottom: 20px;
}

.content-cta .btn-primary {
  background: #fff;
  color: var(--ink-dark);
  box-shadow: none;
}

.content-cta .btn-primary:hover {
  background: var(--accent-light);
  color: var(--ink-dark);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gray);
  text-decoration: none;
  margin-bottom: 20px;
}

.back-link:hover { color: var(--ink); }
.back-link svg { width: 14px; height: 14px; }

/* Events */
.events-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 36px;
}

.calendar-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-family: inherit;
  background: #fff;
  border: 1.5px solid #e2e2e2;
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.calendar-toggle-btn svg { width: 17px; height: 17px; }

.calendar-toggle-btn:hover { border-color: var(--ink-dark); }

.calendar-toggle-btn.active {
  background: var(--ink-dark);
  color: #fff;
  border-color: var(--ink-dark);
}

/* Calendar view */
.calendar-wrap { max-width: 720px; margin: 0 auto; }

.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.calendar-nav h3 { font-size: 16px; font-weight: 800; }

.calendar-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1.5px solid #e2e2e2;
  background: #fff;
  cursor: pointer;
  color: var(--ink);
}

.calendar-nav-btn:hover { border-color: var(--ink-dark); }
.calendar-nav-btn svg { width: 15px; height: 15px; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: #eee;
  border: 1px solid #eee;
  border-radius: 12px;
  overflow: hidden;
}

.calendar-weekday {
  background: var(--accent-light);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--gray);
  text-align: center;
  padding: 8px 4px;
}

.calendar-day {
  background: #fff;
  min-height: 160px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.calendar-day.empty { background: #fafafa; }

.calendar-day-num {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gray);
}

.calendar-day.today .calendar-day-num {
  color: #fff;
  background: var(--ink-dark);
  width: 18px;
  height: 18px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.calendar-event {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10.5px;
  font-weight: 700;
  line-height: 1.3;
  padding: 4px 6px;
  border-radius: 5px;
  background: var(--accent-light);
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}

.calendar-event-icon {
  flex: none;
  width: 13px;
  height: 13px;
  display: flex;
}

.calendar-event-icon svg { width: 100%; height: 100%; }

.calendar-event:hover { background: #e4e4e4; }

.calendar-event.registered {
  background: #dcf3e3;
  color: #1f6b3a;
}

.calendar-event.registered:hover { background: #c9ecd4; }

@media (max-width: 560px) {
  .calendar-day { min-height: 110px; }
  .calendar-event { font-size: 9px; padding: 3px 5px; }
  .calendar-event-icon { width: 11px; height: 11px; }
}

.events-filter a {
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  border: 1.5px solid #e2e2e2;
  padding: 8px 18px;
  border-radius: 999px;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.events-filter a:hover { border-color: var(--ink-dark); }

.events-filter a.active {
  background: var(--ink-dark);
  color: #fff;
  border-color: var(--ink-dark);
}

.event-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}

.event-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 16px;
  padding: 22px 24px;
}

.event-card .event-info { flex: 1; min-width: 220px; }

.event-card .event-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray);
  background: var(--accent-light);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.event-card h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 4px;
}

.event-card .event-meta {
  font-size: 13.5px;
  color: var(--gray);
  line-height: 1.6;
}

.event-card .event-action {
  flex: none;
  text-align: right;
}

.event-card .spots {
  font-size: 12.5px;
  color: var(--gray);
  margin-top: 8px;
}

.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 14px;
  padding: 11px 22px;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-sm.join { background: var(--ink-dark); color: #fff; }
.btn-sm.join:hover { background: var(--accent); }
.btn-sm.joined { background: #dcf3e3; color: #1f6b3a; border: 1.5px solid #bfe6cb; }
.btn-sm.full { background: #f2f2f2; color: #999; cursor: not-allowed; }
.btn-sm.cal { background: #fff; color: var(--ink); border: 1.5px solid #ddd; }
.btn-sm.cal:hover { border-color: var(--ink-dark); }

.empty-state {
  text-align: center;
  color: var(--gray);
  font-size: 14.5px;
  padding: 48px 24px;
}

/* Auth pages */
.auth-wrap {
  max-width: 420px;
  margin: 0 auto;
  padding: 80px 24px 100px;
  min-height: calc(100vh - 66px);
}

.auth-card {
  text-align: center;
}

.auth-card h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
}

.auth-card p.sub {
  font-size: 14.5px;
  color: var(--gray);
  margin-bottom: 28px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-form input[type="email"],
.form-input {
  width: 100%;
  padding: 14px 16px;
  font-size: 15px;
  font-family: inherit;
  border: 1.5px solid #ddd;
  border-radius: 12px;
  outline: none;
  transition: border-color 0.15s ease;
  background: #fff;
  color: var(--ink);
}

.auth-form input[type="email"]:focus,
.form-input:focus { border-color: var(--ink-dark); }

.form-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-field label { font-size: 13px; font-weight: 600; color: var(--gray); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Admin */
.admin-wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 48px 24px 100px;
}

.admin-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid #eee;
  margin-bottom: 28px;
  overflow-x: auto;
}

.admin-tab {
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 12px 18px;
  border: none;
  background: none;
  color: var(--gray);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}

.admin-tab:hover { color: var(--ink); }

.admin-tab.active {
  color: var(--ink-dark);
  border-bottom-color: var(--ink-dark);
}

.admin-panel { display: none; }
.admin-panel.active { display: block; }

.role-badge {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.role-badge.admin { background: #111; color: #fff; }
.role-badge.member { background: var(--accent-light); color: var(--gray); }

.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 50;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.visible { display: flex; }

.modal-box {
  background: #fff;
  border-radius: 16px;
  max-width: 440px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
}

.modal-box h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
}

.modal-close {
  float: right;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--gray);
  line-height: 1;
}

.admin-section {
  background: #fff;
  border: 1px solid #ececec;
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 28px;
}

.admin-section h2 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 18px;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray);
  padding: 8px 10px;
  border-bottom: 1px solid #eee;
}

.admin-table td {
  padding: 12px 10px;
  border-bottom: 1px solid #f2f2f2;
  vertical-align: top;
}

.admin-table .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn-xs {
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1.5px solid #ddd;
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
}

.btn-xs:hover { border-color: var(--ink-dark); }
.btn-xs.danger { color: #b23b3b; border-color: #f0d5d5; }
.btn-xs.danger:hover { background: #fbeaea; }

.registrants-panel {
  background: var(--accent-light);
  border-radius: 12px;
  padding: 16px;
  margin-top: 8px;
  font-size: 13.5px;
}

.registrants-panel ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.auth-form button {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.auth-message {
  margin-top: 18px;
  font-size: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--ink);
  text-align: left;
  line-height: 1.5;
  display: none;
}

.auth-message.visible { display: block; }

.auth-message.error { background: #fbeaea; color: #8a2f2f; }

.auth-message a { color: var(--ink-dark); font-weight: 700; word-break: break-all; }

.account-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid #eee;
}

.account-row:last-child { border-bottom: none; }

.account-row-link {
  text-decoration: none;
  color: inherit;
  margin: 0 -14px;
  padding: 16px 14px;
  border-radius: 10px;
  transition: background 0.15s ease;
}

.account-row-link:hover { background: var(--accent-light); }

.account-label { font-size: 13px; color: var(--gray); }
.account-value { font-size: 15px; font-weight: 600; }

.btn-danger {
  background: #fff;
  color: #b23b3b;
  border: 1.5px solid #f0d5d5;
}

.btn-danger:hover { background: #fbeaea; }

/* Footer */
footer {
  padding: 32px 24px;
  border-top: 1px solid #eee;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand img { height: 24px; }

.footer-brand span {
  font-weight: 800;
  font-size: 15px;
}

.footer-meta {
  font-size: 13px;
  color: var(--gray);
  text-align: right;
}

.footer-meta a {
  color: var(--ink-dark);
  font-weight: 600;
  text-decoration: none;
}

.footer-meta a:hover { text-decoration: underline; }

@media (max-width: 560px) {
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-meta { text-align: center; }
}