:root {
  --ink: #1f2233;
  --ink-soft: #5b5f74;
  --paper: #faf8f3;
  --paper-warm: #f3eee4;
  --accent: #6a5bb0;
  --accent-soft: #ece8f7;
  --accent-2: #4f8a78;
  --rule: #e7e2d6;
  --max: 1040px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */
.hero {
  background: linear-gradient(180deg, var(--paper) 0%, var(--paper-warm) 100%);
  border-bottom: 1px solid var(--rule);
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.2px;
  text-decoration: none;
  color: var(--ink);
}

.brand-name { font-size: 1.05rem; }

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  background: var(--accent);
  color: white;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

nav { display: flex; flex-wrap: wrap; }

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 1.25rem;
  font-size: 0.95rem;
}

nav a:hover { color: var(--accent); }

/* Intro */
.intro {
  padding: 4.5rem 1.25rem 3.5rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2.5rem;
}

.intro-text { max-width: 600px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 600;
  margin: 0 0 0.75rem;
}

.intro h1 {
  font-size: clamp(2rem, 4.2vw, 3rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.015em;
}

.lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 1.75rem;
}

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

.cta {
  display: inline-block;
  background: var(--accent);
  color: white;
  text-decoration: none;
  padding: 0.8rem 1.3rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: filter 0.15s ease;
}

.cta:hover { filter: brightness(1.06); }

.cta-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent-soft);
}

.cta-ghost:hover { background: var(--accent-soft); }

/* Intro art */
.intro-art {
  position: relative;
  width: 280px;
  height: 280px;
  justify-self: end;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.85;
}

.orb-1 {
  width: 200px; height: 200px;
  background: radial-gradient(circle at 30% 30%, #b6a8e6, var(--accent));
  top: 10px; right: 30px;
}

.orb-2 {
  width: 130px; height: 130px;
  background: radial-gradient(circle at 30% 30%, #b7d6c9, var(--accent-2));
  bottom: 0; left: 0;
}

.orb-3 {
  width: 90px; height: 90px;
  background: radial-gradient(circle at 30% 30%, #f6d5a8, #d99a59);
  top: 0; left: 40px;
}

/* Sections */
section { padding: 2rem 0; }

.section-head {
  margin-bottom: 1.25rem;
}

.section-head h2 { margin: 0 0 0.35rem; }
.section-head p { margin: 0; color: var(--ink-soft); }

section h2 {
  font-size: 1.55rem;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.card {
  background: white;
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 2rem;
  margin: 1.5rem auto;
}

/* Extension grid */
.ext-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.ext-card {
  background: white;
  border: 1px solid var(--rule);
  border-radius: 14px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ext-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(106, 91, 176, 0.08);
}

.ext-icon {
  display: inline-grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 10px;
  font-size: 1.3rem;
  margin-bottom: 0.35rem;
}

.ext-card h3 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.005em;
}

.ext-tag {
  margin: 0;
  font-size: 0.78rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.ext-card p:last-child {
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.ext-card a { color: var(--accent); text-decoration: none; }
.ext-card a:hover { text-decoration: underline; }

.ext-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, #ffffff 0%, var(--accent-soft) 200%);
}

/* Approach pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.pillars h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  color: var(--accent);
}

.pillars p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Trials section */
.trials {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2rem;
  align-items: center;
}

.trials-text h2 { margin-top: 0.25rem; }
.trials-text strong { color: var(--accent); }

.trials-conditions {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 0.75rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.trials-conditions li {
  background: var(--accent-soft);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
}

/* FAQ */
.faq details {
  border-top: 1px solid var(--rule);
  padding: 0.9rem 0;
}

.faq details:first-of-type { border-top: 0; padding-top: 0.25rem; }

.faq summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
  margin-left: 1rem;
}

.faq details[open] summary::after { content: "−"; }

.faq details p {
  margin: 0.6rem 0 0;
  color: var(--ink-soft);
}

.faq a { color: var(--accent); text-decoration: none; }
.faq a:hover { text-decoration: underline; }

/* Contact */
.contact-info {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.4rem 1rem;
  margin: 1rem 0 0;
}

.contact-info dt { color: var(--ink-soft); }
.contact-info dd { margin: 0; }
.contact-info a { color: var(--accent); text-decoration: none; }
.contact-info a:hover { text-decoration: underline; }

/* Footer */
footer {
  border-top: 1px solid var(--rule);
  margin-top: 2rem;
  padding: 1.75rem 0 2.5rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

footer p { margin: 0.3rem 0; }
.disclaimer { max-width: 62ch; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--rule);
}

.footer-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-nav a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 820px) {
  .intro {
    grid-template-columns: 1fr;
    padding-top: 2.5rem;
    gap: 1.5rem;
  }
  .intro-art {
    width: 200px;
    height: 200px;
    justify-self: start;
    order: -1;
  }
  .orb-1 { width: 140px; height: 140px; }
  .orb-2 { width: 90px; height: 90px; }
  .orb-3 { width: 60px; height: 60px; }

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

@media (max-width: 560px) {
  .hero .container { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  nav a { margin-left: 0; margin-right: 1rem; }
  .card { padding: 1.4rem; }
  .contact-info { grid-template-columns: 110px 1fr; }
  .trials-conditions { grid-template-columns: 1fr; }
}