/* CSS for Landing Site */
:root {
  --ul-primary-50: #eff6ff;
  --ul-primary-100: #dbeafe;
  --ul-primary-500: #3b82f6;
  --ul-primary-600: #2563eb;
  --ul-primary-700: #1d4ed8;

  --ul-secondary-500: #06b6d4;

  --ul-surface: #ffffff;
  --ul-surface-alt: #f8fafc;
  --ul-border: #e2e8f0;

  --ul-text-main: #0f172a;
  --ul-text-muted: #64748b;

  --ul-grad-accent: linear-gradient(135deg, var(--ul-primary-600), var(--ul-secondary-500));
}

html, body {
  margin: 0;
  padding: 0;
  font-family: 'Pretendard GOV Variable', -apple-system, sans-serif;
  color: var(--ul-text-main);
  background-color: var(--ul-surface);
  line-height: 1.6;
}

.ul-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.ul-shell {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Header */
.ul-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ul-border);
}

.ul-navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
}

.ul-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ul-primary-700);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ul-nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.ul-nav-link {
  text-decoration: none;
  color: var(--ul-text-muted);
  font-weight: 500;
  transition: color 0.2s;
}
.ul-nav-link:hover {
  color: var(--ul-primary-600);
}

/* Main Content area */
.ul-main {
  flex: 1;
}

/* Buttons */
.ul-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: 1px solid transparent;
}
.ul-btn-primary {
  background: var(--ul-grad-accent);
  color: #fff;
}
.ul-btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #fff;
}
.ul-btn-outline {
  border-color: var(--ul-border);
  color: var(--ul-text-main);
  background: var(--ul-surface);
}
.ul-btn-outline:hover {
  background: var(--ul-surface-alt);
}

/* Sections */
.ul-hero {
  position: relative;
  padding: 8rem 0;
  background-image: linear-gradient(rgba(15, 23, 42, 0.5), rgba(15, 23, 42, 0.65)), url('../images/main-banner.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  text-align: center;
  color: #ffffff;
}

.ul-hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.ul-hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.ul-hero-subtitle {
  font-size: 1.22rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.ul-hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.ul-hero-mockup {
  margin-top: 4rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 12px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.ul-hero-mockup img {
  width: 100%;
  border-radius: 12px;
  display: block;
}

/* Section Common */
.ul-section {
  padding: 5rem 0;
}
.ul-section-bg {
  background: var(--ul-surface-alt);
}

.ul-section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.ul-section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.ul-section-desc {
  font-size: 1.125rem;
  color: var(--ul-text-muted);
}

/* Cards */
.ul-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.ul-card {
  background: var(--ul-surface);
  border: 1px solid var(--ul-border);
  border-radius: 1rem;
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.ul-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.ul-card-icon {
  width: 3rem;
  height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ul-primary-50);
  color: var(--ul-primary-600);
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.ul-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.ul-card-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.65rem;
  margin-bottom: 1rem;
  border-radius: 999px;
  background: var(--ul-primary-50);
  color: var(--ul-primary-700);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ul-card-text {
  color: var(--ul-text-muted);
  font-size: 0.95rem;
}

.ul-card-list {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--ul-text-main);
}

.ul-card-list li {
  margin-top: 0.45rem;
  font-size: 0.92rem;
}

.ul-bento-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1.25rem;
}

.ul-bento-card {
  position: relative;
  overflow: hidden;
  min-height: 220px;
  padding: 1.5rem;
  border-radius: 1.5rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92)),
    linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(6, 182, 212, 0.06));
  box-shadow:
    0 16px 40px rgba(15, 23, 42, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
}

.ul-bento-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.ul-bento-card--hero {
  grid-column: span 5;
  min-height: 290px;
}

.ul-bento-card--alert {
  grid-column: span 3;
}

.ul-bento-card--data {
  grid-column: span 4;
}

.ul-bento-card--video {
  grid-column: span 4;
}

.ul-bento-card--ops {
  grid-column: span 3;
}

.ul-bento-card--platform {
  grid-column: span 5;
}

.ul-bento-card__glow {
  position: absolute;
  width: 220px;
  height: 220px;
  right: -40px;
  top: -40px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22), rgba(59, 130, 246, 0));
}

.ul-bento-card__top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.ul-bento-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.72rem;
  border: 1px solid rgba(96, 165, 250, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ul-primary-700);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ul-bento-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  color: var(--ul-primary-700);
  background: linear-gradient(135deg, rgba(219, 234, 254, 0.95), rgba(240, 249, 255, 0.92));
  border: 1px solid rgba(96, 165, 250, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  font-size: 1.25rem;
}

.ul-bento-card__title {
  position: relative;
  margin: 0 0 0.75rem;
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ul-text-main);
}

.ul-bento-card__text {
  position: relative;
  margin: 0;
  max-width: 34ch;
  color: var(--ul-text-muted);
  font-size: 0.98rem;
}

.ul-bento-card__chips {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.25rem;
}

.ul-bento-card__chips span,
.ul-bento-card__footer-note {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.38rem 0.7rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.16);
  color: #334155;
  font-size: 0.82rem;
}

.ul-bento-card__metric {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  margin-top: 2.25rem;
}

.ul-bento-card__metric strong {
  font-size: 2.2rem;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ul-primary-700);
}

.ul-bento-card__metric span {
  margin-top: 0.4rem;
  color: var(--ul-text-muted);
  font-size: 0.9rem;
}

.ul-bento-card__mini-list {
  position: relative;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.ul-bento-card__mini-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: #334155;
  font-size: 0.92rem;
}

.ul-bento-card__mini-list li + li {
  margin-top: 0.55rem;
}

.ul-bento-card__mini-list li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--ul-primary-500), var(--ul-secondary-500));
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.08);
}

.ul-bento-card__footer-note {
  position: relative;
  margin-top: 1.4rem;
}

/* ===== Scroll-driven Incident Timeline ===== */
.ul-timeline {
  position: relative;
  padding: 3rem 0 1rem;
  margin-top: 2rem;
}

/* ── spine (vertical animated line) ── */
.ul-tl-spine {
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--ul-border);
  border-radius: 99px;
  overflow: hidden;
}
.ul-tl-spine::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--ul-spine-pct, 0%);
  background: linear-gradient(to bottom, #ef4444, var(--ul-primary-600));
  transition: height 0.1s linear;
  border-radius: 99px;
}

/* ── each step row ── */
.ul-tl-step {
  display: flex;
  align-items: flex-start;
  gap: 1.75rem;
  padding-left: 0;
  margin-bottom: 3.5rem;
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.ul-tl-step.is-visible {
  opacity: 1;
  transform: none;
}

/* ── node circle ── */
.ul-tl-node {
  flex: 0 0 56px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  position: relative;
  z-index: 2;
  background: var(--ul-surface);
  border: 3px solid var(--ul-border);
  color: var(--ul-text-muted);
  flex-shrink: 0;
}
.ul-tl-node--incident {
  background: #1a0000;
  border-color: #ef4444;
  color: #ef4444;
  font-size: 1.3rem;
  box-shadow: 0 0 0 6px rgba(239,68,68,0.1);
}
.ul-tl-node--compare {
  background: var(--ul-primary-50);
  border-color: var(--ul-primary-600);
  color: var(--ul-primary-700);
}
.ul-tl-node--outcome {
  background: linear-gradient(135deg, #ecfdf5, #eff6ff);
  border-color: #10b981;
  color: #059669;
}

/* ── pulsing red ring (step 1) ── */
.ul-tl-warn-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(239,68,68,0.5);
  animation: ulWarnPulse 1.6s ease-in-out infinite;
}
@keyframes ulWarnPulse {
  0%, 100% { transform: scale(1);   opacity: 0.8; }
  50%       { transform: scale(1.3); opacity: 0;   }
}

/* ── body content ── */
.ul-tl-body {
  flex: 1;
  padding-top: 0.35rem;
}
.ul-tl-body--wide { max-width: 100%; }

.ul-tl-step-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ul-text-muted);
  background: var(--ul-surface-alt);
  border: 1px solid var(--ul-border);
  border-radius: 100px;
  padding: 0.2rem 0.65rem;
  margin-bottom: 0.6rem;
}

.ul-tl-title {
  margin: 0 0 0.5rem;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ul-text-main);
  line-height: 1.3;
}

.ul-tl-desc {
  margin: 0 0 1.2rem;
  font-size: 0.95rem;
  color: var(--ul-text-muted);
}

/* ── vital signs row (step 1) ── */
.ul-tl-vitals {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.ul-tl-vital-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: 0.9rem;
  background: var(--ul-surface-alt);
  border: 1px solid var(--ul-border);
}
.ul-tl-vital-item--danger {
  background: rgba(254,226,226,0.6);
  border-color: rgba(239,68,68,0.3);
  animation: ulVitalFlash 1.4s ease-in-out infinite;
}
@keyframes ulVitalFlash {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0); }
  50%       { box-shadow: 0 0 0 6px rgba(239,68,68,0.12); }
}
.ul-tl-vital-val {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--ul-text-main);
  font-variant-numeric: tabular-nums;
}
.ul-tl-vital-item--danger .ul-tl-vital-val { color: #dc2626; }
.ul-tl-vital-unit {
  font-size: 0.82rem;
  color: var(--ul-text-muted);
  font-weight: 600;
}
.ul-tl-vital-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
  background: #ef4444;
  color: #fff;
  margin-left: 0.2rem;
}
.ul-tl-vital-badge--warn {
  background: #f59e0b;
}

/* ── dual comparison row (step 2 & 3) ── */
.ul-tl-dual {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: start;
  margin-top: 0.75rem;
}
.ul-tl-dual--outcome {
  align-items: stretch;
}

/* ── VS divider ── */
.ul-tl-vs {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--ul-text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--ul-surface-alt);
  border: 1px solid var(--ul-border);
  flex-shrink: 0;
}

/* ── comparison panels ── */
.ul-tl-panel {
  border-radius: 1.1rem;
  padding: 1.2rem 1.35rem;
  border: 1px solid var(--ul-border);
}
.ul-tl-panel--old {
  background: #fff5f5;
  border-color: rgba(239,68,68,0.25);
}
.ul-tl-panel--new {
  background: linear-gradient(160deg, #eff6ff 0%, #dbeafe 100%);
  border-color: rgba(37,99,235,0.25);
}
.ul-tl-panel-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.85rem;
}
.ul-tl-panel--old .ul-tl-panel-label { color: #b91c1c; }
.ul-tl-panel--new .ul-tl-panel-label { color: var(--ul-primary-700); }

/* ── timer display ── */
.ul-tl-timer {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.ul-tl-timer-num {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: #ef4444;
}
.ul-tl-timer--fast .ul-tl-timer-num {
  color: #059669;
}
.ul-tl-timer-unit {
  font-size: 0.88rem;
  font-weight: 600;
  color: #6b7280;
}
.ul-tl-panel--old .ul-tl-timer-unit { color: #64748b; }
.ul-tl-panel--new .ul-tl-timer-unit { color: #475569; }

/* ── flash keyframe for "1초" number ── */
.ul-tl-timer-num--flash {
  animation: ulNumFlash 1.2s ease-in-out infinite;
}
@keyframes ulNumFlash {
  0%, 100% { text-shadow: 0 0 0 rgba(5,150,105,0); }
  50%       { text-shadow: 0 0 12px rgba(5,150,105,0.45); }
}

/* ── check lists ── */
.ul-tl-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.ul-tl-check-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: #6b7280;
}
.ul-tl-check-list li i { font-size: 0.9rem; color: #4b5563; }
.ul-tl-panel--old .ul-tl-check-list li { color: #475569; }
.ul-tl-panel--old .ul-tl-check-list li i { color: #ef4444; }
.ul-tl-check-list--good li { color: #1e3a8a; }
.ul-tl-check-list--good li i { color: #059669; }

/* ── outcome cards (step 3) ── */
.ul-tl-outcome {
  border-radius: 1.25rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  border: 1px solid transparent;
  position: relative;
}
.ul-tl-outcome--bad {
  background: #fff1f2;
  border-color: rgba(239,68,68,0.3);
}
.ul-tl-outcome--bad i { font-size: 2.5rem; color: #ef4444; }
.ul-tl-outcome--bad strong { color: #b91c1c; font-size: 1.05rem; }
.ul-tl-outcome--bad p { color: #64748b; font-size: 0.9rem; margin: 0; }

.ul-tl-outcome--good {
  background: linear-gradient(160deg, #f0fdf4 0%, #eff6ff 100%);
  border-color: rgba(16,185,129,0.3);
}
.ul-tl-outcome--good i { font-size: 2.5rem; color: #059669; }
.ul-tl-outcome--good strong { color: #065f46; font-size: 1.05rem; }
.ul-tl-outcome--good p { color: #475569; font-size: 0.9rem; margin: 0; }

.ul-tl-outcome-tag {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.2);
  color: #f87171;
}
.ul-tl-outcome-tag--good {
  background: rgba(16,185,129,0.1);
  border-color: rgba(16,185,129,0.25);
  color: #34d399;
}

/* ── emphasis closing line (step 3) ── */
.ul-tl-emphasis {
  text-align: center;
  margin-top: 2rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ul-text-main);
  padding: 1rem 1.5rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(16,185,129,0.06));
  border: 1px solid rgba(37,99,235,0.12);
}

/* ===== Join Steps Section ===== */
.ul-join-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  position: relative;
  margin-top: 3rem;
}

.ul-join-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

/* connector line between steps */
.ul-join-step__connector {
  position: absolute;
  top: 26px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, var(--ul-primary-600), var(--ul-secondary-500));
  opacity: 0.3;
  z-index: 0;
}

/* step number badge */
.ul-join-step__num {
  position: relative;
  z-index: 1;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 1.25rem;
  flex-shrink: 0;
  background: var(--ul-primary-50);
  border: 2px solid var(--ul-primary-600);
  color: var(--ul-primary-700);
  box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.07);
}
.ul-join-step__num--review {
  background: #eff6ff;
  border-color: var(--ul-primary-500);
  color: var(--ul-primary-700);
}
.ul-join-step__num--start {
  background: var(--ul-grad-accent);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

/* card body */
.ul-join-card {
  background: #fff;
  border: 1px solid var(--ul-border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  width: 100%;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow 0.2s;
}
.ul-join-card:hover {
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.1);
}

.ul-join-card__icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: var(--ul-primary-50);
  color: var(--ul-primary-700);
  border: 1px solid rgba(37,99,235,0.12);
}
.ul-join-card__icon--review {
  background: #eff6ff;
  color: var(--ul-primary-600);
}
.ul-join-card__icon--start {
  background: var(--ul-grad-accent);
  color: #fff;
  border: none;
}

.ul-join-card__title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ul-text-main);
}

.ul-join-card__desc {
  margin: 0;
  font-size: 0.88rem;
  color: var(--ul-text-muted);
  line-height: 1.6;
}

.ul-join-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.ul-join-card__list li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  color: var(--ul-text-muted);
  font-weight: 500;
}
.ul-join-card__list li i {
  color: var(--ul-primary-600);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.ul-join-card__note {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: var(--ul-text-muted);
  background: var(--ul-surface-alt);
  border: 1px solid var(--ul-border);
  border-radius: 100px;
  padding: 0.3rem 0.75rem;
  margin-top: 0.25rem;
  width: fit-content;
}
.ul-join-card__note--start {
  background: rgba(37,99,235,0.05);
  border-color: rgba(37,99,235,0.15);
  color: var(--ul-primary-700);
}

/* CTA area */
.ul-join-cta {
  text-align: center;
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}
.ul-join-cta .ul-btn-primary {
  padding: 0.9rem 2.25rem;
  font-size: 1.05rem;
  gap: 0.4rem;
  display: inline-flex;
  align-items: center;
}
.ul-join-cta__sub {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ul-text-muted);
}

/* Footer */
.ul-footer {
  border-top: 1px solid var(--ul-border);
  padding: 3rem 0;
  background: var(--ul-surface);
  color: var(--ul-text-muted);
}
.ul-footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.ul-footer-note {
  font-size: 0.875rem;
}

.ul-footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
}

.ul-footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Utilities */
.ul-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (max-width: 768px) {
  .ul-hero-title { font-size: 2.5rem; }
  .ul-nav-links { display: none; }
  .ul-footer-content { flex-direction: column; align-items: flex-start; }
  .ul-footer-links { gap: 0.75rem 1rem; }

  .ul-bento-grid {
    grid-template-columns: 1fr;
  }

  .ul-bento-card,
  .ul-bento-card--hero,
  .ul-bento-card--alert,
  .ul-bento-card--data,
  .ul-bento-card--video,
  .ul-bento-card--ops,
  .ul-bento-card--platform {
    grid-column: span 1;
    min-height: auto;
  }

  .ul-tl-spine { left: 20px; }
  .ul-tl-step  { gap: 1rem; margin-bottom: 2.5rem; }
  .ul-tl-node  { flex: 0 0 42px; width: 42px; height: 42px; font-size: 0.9rem; }
  .ul-tl-title { font-size: 1.05rem; }
  .ul-tl-dual  { grid-template-columns: 1fr; }
  .ul-tl-vs    { display: none; }
  .ul-tl-timer-num { font-size: 2rem; }

  .ul-join-steps { grid-template-columns: 1fr; gap: 2rem; }
  .ul-join-step__connector { display: none; }
}