:root {
  --background: #080810;
  --background-alt: #101024;
  --surface: rgba(255, 255, 255, 0.07);
  --accent: #6c5ce7;
  --accent-soft: rgba(108, 92, 231, 0.18);
  --secondary: #00cec9;
  --text: #f8f9fb;
  --text-dim: rgba(248, 249, 251, 0.75);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 45px rgba(8, 8, 16, 0.55);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, rgba(108, 92, 231, 0.3), transparent 55%),
    radial-gradient(circle at 90% 20%, rgba(0, 206, 201, 0.35), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(255, 99, 247, 0.25), transparent 50%),
    var(--background);
  line-height: 1.6;
}

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

a:hover,
a:focus {
  text-decoration: underline;
}

.container {
  width: min(1080px, 92%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.stack {
  flex-direction: column;
  align-items: flex-start;
}

.section {
  padding: 5.5rem 0;
}

.section.alt {
  background: rgba(255, 255, 255, 0.02);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(8, 8, 16, 0.8);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  padding: 1.25rem 0;
}

.branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(160deg, rgba(108, 92, 231, 0.4), rgba(0, 206, 201, 0.35));
  font-size: 1.25rem;
}

.title {
  margin: 0;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tagline {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
}

.site-nav .button {
  margin-left: 0.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: var(--accent);
  color: var(--text);
  box-shadow: 0 12px 25px rgba(108, 92, 231, 0.35);
}

.button.primary:hover,
.button.primary:focus {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(108, 92, 231, 0.45);
}

.button.secondary {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
}

.button.secondary:hover,
.button.secondary:focus {
  border-color: rgba(255, 255, 255, 0.25);
}

.hero {
  padding: 5rem 0 6rem;
}

.hero .container {
  align-items: stretch;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin-bottom: 1rem;
}

.hero p {
  color: var(--text-dim);
}

.hero-card {
  width: min(360px, 100%);
  padding: 2rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(160deg, rgba(108, 92, 231, 0.24), rgba(0, 206, 201, 0.1));
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-kicker {
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.card-title {
  margin: 0;
  font-weight: 600;
  font-size: 1.35rem;
}

.card-meta {
  margin: 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.65);
}

.card-body {
  margin: 0;
}

.card-button {
  align-self: flex-start;
  margin-top: auto;
  padding: 0.5rem 1.1rem;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  background: rgba(8, 8, 16, 0.85);
  color: var(--text);
  cursor: pointer;
}

.card-button:hover,
.card-button:focus {
  background: rgba(8, 8, 16, 1);
}

.callout {
  padding: 5rem 0;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.pillars article {
  padding: 1.75rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
}

.card {
  padding: 2rem;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
}

.link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--secondary);
  font-weight: 600;
}

.link::after {
  content: "→";
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.link:hover::after {
  transform: translateX(4px);
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  align-items: start;
}

.signal-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
}

.signal-list li {
  padding: 1.25rem 1.4rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.signal-list .label {
  display: block;
  font-weight: 600;
}

.signal-list .detail {
  color: rgba(255, 255, 255, 0.7);
}

.panel {
  padding: 2rem;
  border-radius: 20px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.interest-form,
.newsletter-form,
.modal form {
  display: grid;
  gap: 1rem;
}

label,
legend {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
}

input,
button,
fieldset {
  font-family: inherit;
  font-size: 1rem;
}

input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(8, 8, 16, 0.75);
  color: var(--text);
}

input:focus {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

fieldset {
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1rem;
  border-radius: 12px;
  background: rgba(8, 8, 16, 0.4);
}

fieldset label {
  font-weight: 400;
  margin-right: 1rem;
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
}

.interest-form button,
.newsletter-form button,
.modal button.primary {
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.interest-form button:hover,
.newsletter-form button:hover,
.modal button.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(108, 92, 231, 0.45);
}

.modal button.secondary {
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
}

.form-message {
  min-height: 1.2rem;
  font-size: 0.9rem;
  color: var(--secondary);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.resource-type {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
}

.detail {
  position: relative;
  overflow: hidden;
}

.detail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(108, 92, 231, 0.16), transparent 55%);
  pointer-events: none;
  opacity: 0.85;
}

.detail .container {
  position: relative;
}

.detail.alt {
  background: rgba(255, 255, 255, 0.03);
}

.eyebrow {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: rgba(255, 255, 255, 0.58);
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: grid;
  gap: 0.85rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.75rem;
  margin: 2rem 0;
}

.detail-grid ul,
.detail-grid ol {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 1.5rem;
  margin: 0;
}

.detail-panels {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.detail-panels article {
  padding: 1.75rem;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 35px rgba(8, 8, 16, 0.45);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.contact-grid article {
  padding: 1.75rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  gap: 0.75rem;
}

.contact-grid.single {
  max-width: 620px;
}

.contact-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}

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

.subpage-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
}

.resource-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.resource-hero {
  padding: 5rem 0 3rem;
  background: linear-gradient(150deg, rgba(108, 92, 231, 0.18), rgba(0, 206, 201, 0.12));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lead {
  max-width: 720px;
  color: var(--text-dim);
  font-size: 1.1rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.syllabus {
  margin: 1.5rem 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.65rem;
}

.subpage-footer {
  margin-top: 3rem;
}

.newsletter {
  padding: 5rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(160deg, rgba(108, 92, 231, 0.18), rgba(0, 206, 201, 0.15));
}

.newsletter .container {
  flex-wrap: wrap;
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.newsletter-form input {
  flex: 1 1 260px;
}

.site-footer {
  padding: 2.5rem 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.65);
}

.site-footer .container {
  flex-direction: column;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
}

.modal {
  border: none;
  border-radius: 20px;
  padding: 0;
  width: min(420px, 92vw);
  background: rgba(12, 12, 28, 0.95);
  color: var(--text);
  box-shadow: var(--shadow);
}

.modal::backdrop {
  background: rgba(8, 8, 16, 0.75);
}

.modal form {
  padding: 2rem;
}

.modal menu {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@media (max-width: 780px) {
  .site-nav {
    display: none;
  }

  .hero .container {
    flex-direction: column;
  }

  .container {
    flex-direction: column;
    align-items: stretch;
  }

  .site-footer .container {
    align-items: center;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-panels {
    grid-template-columns: 1fr;
  }

  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}