/* GLOBAL */
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #0f0f17;
  color: #e5e7eb;
}

:root {
  --grad: linear-gradient(90deg, #3B82F6, #8B5CF6);
  --grad-soft: linear-gradient(120deg, rgba(59,130,246,0.25), rgba(139,92,246,0.25));
  --card-bg: rgba(255,255,255,0.04);
  --border-grad: linear-gradient(90deg, #3B82F6, #8B5CF6);
}

/* STRIPE-STYLE NAVBAR */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: #ffffff;
  border-bottom: 1px solid #f1f1f1;
  position: sticky;
  top: 0;
  z-index: 50;
}

/* LEFT SIDE: brand + nav */
.nav-left {
  display: flex;
  align-items: center;
  gap: 40px;
}

.brand-small {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: #111;
}

/* MAIN NAVIGATION */
.nav-main {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-main > a,
.drop-btn {
  text-decoration: none;
  color: #475467;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
}

.nav-main > a:hover,
.drop-btn:hover {
  color: #111;
}

/* DROPDOWN CONTAINER */
.dropdown {
  position: relative;
}

/* UPDATED DROPDOWN MENU */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 12px 0;
  min-width: 200px;
  display: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  z-index: 999;
}

.dropdown-menu a {
  display: block;
  padding: 10px 16px;
  text-decoration: none;
  color: #475467;
  font-size: 14px;
}

.dropdown-menu a:hover {
  background: #f8f9fb;
  color: #111;
}

/* SHOW DROPDOWN ON HOVER */
.dropdown:hover .dropdown-menu {
  display: block;
}

/* RIGHT SIDE ACTIONS */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.signin-link {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: #475467;
}

.signin-link:hover {
  color: #111;
}

.contact-link {
  padding: 8px 16px;
  border-radius: 8px;
  background: #3B82F6;
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
}

.contact-link:hover {
  background: #2563eb;
}

/* HERO */
.hero {
  padding: 120px 20px 100px;
  text-align: center;
  background: radial-gradient(circle at top, #1a1a27, #0f0f17);
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}

.hero-sub {
  max-width: 720px;
  margin: 0 auto 32px;
  color: #cbd5e1;
  font-size: 18px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn-primary {
  background: var(--grad);
  padding: 12px 24px;
  border-radius: 999px;
  color: white;
  font-weight: 600;
  text-decoration: none;
}

.btn-secondary {
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid #3B82F6;
  color: #e5e7eb;
  text-decoration: none;
}

/* STRIPE-LIGHT SECTION */
.section-stripe-light {
  background: #ffffff;
  padding: 100px 40px;
  text-align: center;
  color: #475467;
}

.section-stripe-light h2 {
  font-size: 36px;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  color: transparent;
  margin-bottom: 16px;
}

.section-stripe-light p {
  max-width: 760px;
  margin: 0 auto 32px;
  font-size: 18px;
  line-height: 1.6;
  color: #475467;
}

/* GLOBAL VISUALIZATION */
.global-visualization {
  margin: 40px auto;
  max-width: 520px;
}

.global-visual-img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

/* LOGO MARQUEE */
.logo-marquee {
  overflow: hidden;
  white-space: nowrap;
  padding: 40px 0;
  background: #ffffff;
}

.logo-track {
  display: inline-flex;
  gap: 60px;
  animation: scroll 25s linear infinite;
}

.logo-track span {
  font-size: 18px;
  color: #475467;
  opacity: 0.8;
}

@keyframes scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* DARK + LIGHT SECTIONS */
.section {
  padding: 80px 40px;
}

.section-light {
  padding: 80px 40px;
  background: #ffffff;
  color: #111;
  text-align: center;
}

.section-dark {
  padding: 80px 40px;
  background: #111;
  text-align: center;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 24px;
  background: var(--grad);
  -webkit-background-clip: text;
  color: transparent;
}

.section-desc {
  max-width: 700px;
  margin: 0 auto 32px;
  color: #cbd5e1;
}

/* GRADIENT BORDER CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.gcard {
  padding: 24px;
  border-radius: 16px;
  background: var(--card-bg);
  border: 1px solid transparent;
  background-image: var(--grad-soft), var(--border-grad);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  transition: transform 0.2s ease;
}

.gcard:hover {
  transform: translateY(-4px);
}

/* FOOTER */
.footer {
  padding: 40px;
  text-align: center;
  color: #94a3b8;
}

.footer-links a {
  margin: 0 12px;
  color: #94a3b8;
  text-decoration: none;
}

/* ----------------------------------------------------
   CATALYST LIGHT THEME (Stripe‑style)
   Applies ONLY to Catalyst pages
----------------------------------------------------- */

.catalyst-body {
  background: #ffffff;
  color: #1f2937;
  padding: 80px 20px;
  font-family: 'Inter', sans-serif;
}

.catalyst-brief,
.catalyst-list {
  max-width: 860px;
  margin: 0 auto;
}

.catalyst-header {
  margin-bottom: 40px;
}

.catalyst-badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: #3b82f6;
  background: rgba(59,130,246,0.08);
  border-radius: 999px;
  margin-bottom: 16px;
}

.catalyst-header h1 {
  font-size: 40px;
  font-weight: 700;
  color: #111827;
  margin: 0 0 12px;
}

.catalyst-meta {
  font-size: 15px;
  color: #6b7280;
}

.catalyst-section {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  padding: 28px;
  border-radius: 12px;
  margin-bottom: 28px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}

.catalyst-section h2 {
  font-size: 22px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 12px;
}

.catalyst-section p,
.catalyst-section ul {
  font-size: 16px;
  line-height: 1.6;
  color: #374151;
}

.catalyst-list h1 {
  font-size: 40px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 12px;
}

.catalyst-intro {
  font-size: 18px;
  color: #4b5563;
  margin-bottom: 40px;
}

.catalyst-item {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  padding: 24px;
  border-radius: 12px;
  margin-bottom: 24px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}

.catalyst-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.06);
}

.catalyst-item a {
  text-decoration: none;
  color: #111827;
}

.catalyst-item h2 {
  font-size: 22px;
  font-weight: 600;
  margin: 0 0 6px;
  color: #111827;
}

.catalyst-item p {
  color: #4b5563;
  font-size: 15px;
}

.catalyst-footer {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: #6b7280;
}