/* Future Fellows — joinfellows.org
   Palette: white ground, navy ink, teal accent.
   Type: Playfair Display (display) / Source Serif 4 (body) / Inter (utility) */

:root {
  --bg: #FFFFFF;
  --bg-2: #F3F7F9;
  --ink: #0B1626;
  --muted: #51627A;
  --teal: #1FBFA5;
  --teal-text: #0E8A75;
  --teal-soft: rgba(31, 191, 165, 0.10);
  --hairline: rgba(11, 22, 38, 0.14);
  --measure: 66ch;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.125rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--teal); color: var(--ink); }

a { color: var(--teal-text); text-decoration-color: rgba(14,138,117,.4); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--teal-text); }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--teal-text);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}

.wordmark {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}
.wordmark span { color: var(--teal); }

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2rem);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.85rem;
}
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--ink); }

.btn {
  display: inline-block;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink) !important;
  background: var(--teal);
  padding: 0.6rem 1.15rem;
  border-radius: 3px;
  text-decoration: none;
  transition: background 140ms ease;
}
.btn:hover { background: #2bd6ba; }

.btn-ghost {
  background: transparent;
  color: var(--teal-text) !important;
  border: 1px solid var(--teal-text);
}
.btn-ghost:hover { background: var(--teal-soft); }

/* ---------- Hero ---------- */

.hero {
  max-width: 54rem;
  margin: 0 auto;
  padding: clamp(5rem, 12vh, 9rem) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 7vh, 5rem);
  text-align: left;
}

.eyebrow {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-text);
  margin-bottom: 1.4rem;
}

.hero h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  font-size: clamp(2.2rem, 5.5vw, 3.9rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: italic;
  color: var(--teal-text);
}

.hero .dek {
  margin-top: 1.6rem;
  max-width: var(--measure);
  color: var(--muted);
  font-size: 1.2rem;
}

.hero .cta-row { margin-top: 2.4rem; display: flex; gap: 0.9rem; flex-wrap: wrap; }

/* ---------- Letter / prose ---------- */

.prose {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem) 4rem;
}

.prose p { margin-bottom: 1.5rem; }

.prose h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  line-height: 1.25;
  margin: 3.2rem 0 1.2rem;
}

.prose h3 {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-text);
  margin: 2.6rem 0 0.9rem;
}

.prose .break-line {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-size: 1.35rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 2.4rem 0;
  padding-left: 1.4rem;
  border-left: 2px solid var(--teal);
}

.rule {
  max-width: var(--measure);
  margin: 3.5rem auto;
  border: 0;
  border-top: 1px solid var(--hairline);
}

/* Beliefs */

.beliefs { list-style: none; margin: 2rem 0; }
.beliefs li {
  padding: 1.4rem 0;
  border-top: 1px solid var(--hairline);
}
.beliefs li:last-child { border-bottom: 1px solid var(--hairline); }
.beliefs .belief-name {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-text);
  display: block;
  margin-bottom: 0.4rem;
}

/* Signature */

.signature {
  margin-top: 3rem;
}
.signature .sig-name {
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-size: 1.7rem;
  color: var(--ink);
}
.signature .sig-role {
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.4rem;
}

/* ---------- Two-audience split ---------- */

.split {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem) 5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.split .panel {
  background: var(--bg-2);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 2.2rem 2rem;
  display: flex;
  flex-direction: column;
}

.split .panel h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  font-size: 1.55rem;
  margin: 0.6rem 0 0.9rem;
}

.split .panel p { color: var(--muted); margin-bottom: 1.6rem; flex-grow: 1; }

@media (max-width: 720px) {
  .split { grid-template-columns: 1fr; }
}

/* ---------- Detail pages ---------- */

.page-hero {
  max-width: 54rem;
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 7rem) clamp(1.25rem, 4vw, 3rem) 2rem;
}
.page-hero h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.16;
}
.page-hero .dek { margin-top: 1.3rem; max-width: var(--measure); color: var(--muted); font-size: 1.15rem; }

.steps { list-style: none; margin: 1.6rem 0 2.2rem; counter-reset: step; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 0 0 1.6rem 3.2rem;
}
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: "Playfair Display", Georgia, serif;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--teal-text);
}
.steps li strong { display: block; font-family: "Inter", system-ui, sans-serif; font-size: 0.95rem; font-weight: 600; letter-spacing: 0.01em; margin-bottom: 0.25rem; }
.steps li span { color: var(--muted); font-size: 1.05rem; }

.faq dt {
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.98rem;
  margin-top: 1.8rem;
}
.faq dd { color: var(--muted); margin-top: 0.5rem; }

.cta-band {
  max-width: var(--measure);
  margin: 1rem auto 5rem;
  padding: 2.4rem clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--teal-text);
  border-radius: 6px;
  background: var(--teal-soft);
}
.cta-band h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 600;
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
}
.cta-band p { color: var(--muted); margin-bottom: 1.4rem; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--hairline);
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  font-family: "Inter", system-ui, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
footer a { color: var(--muted); }
footer a:hover { color: var(--ink); }

/* ---------- Motion ---------- */

.fade-in { animation: fadeUp 700ms ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-in { animation: none; }
}