/* =========================================================
   PPT & Beyond
   Editorial / consulting aesthetic: light, sober, restrained.
   Warm paper canvas · deep navy ink · one blue accent.
   ========================================================= */

:root {
  --paper:   #fbfaf7;
  --paper-2: #f3f0e8;
  --ink:     #16233b;
  --ink-2:   #3c4759;
  --muted:   #6b7688;
  --line:    rgba(22,35,59,0.12);
  --line-2:  rgba(22,35,59,0.08);
  --accent:  #16456e;
  --accent-h:#0f3557;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans:  "Libre Franklin", system-ui, sans-serif;

  --maxw: 1080px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---------- shared ---------- */
.eyebrow {
  font-family: var(--sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; color: var(--ink); }

.section { max-width: var(--maxw); margin: 0 auto; padding: 6rem 1.75rem; }
.section-head { margin-bottom: 2.5rem; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); line-height: 1.12; margin-top: 0.7rem; max-width: 20ch; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: 0.95rem; font-weight: 500;
  text-decoration: none; padding: 0.8rem 1.5rem; border-radius: 6px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}
.btn-primary { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn-primary:hover { background: var(--accent-h); border-color: var(--accent-h); }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn-outline:hover { border-color: var(--ink); }

.actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 2rem; }
.actions--center { justify-content: center; }

.text-link { color: var(--accent); text-decoration: none; font-weight: 500; border-bottom: 1px solid transparent; transition: border-color 0.2s var(--ease); }
.text-link:hover { border-bottom-color: var(--accent); }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(1.5rem, 4vw, 2.5rem);
  background: rgba(251,250,247,0);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav.scrolled {
  background: rgba(251,250,247,0.9);
  backdrop-filter: blur(10px);
  border-bottom-color: var(--line-2);
}
.brand { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.brand .amp, .footer-brand .amp { color: var(--accent); font-style: italic; }
.nav-links { display: flex; align-items: center; gap: 1.9rem; }
.nav-links a { color: var(--ink-2); text-decoration: none; font-size: 0.95rem; transition: color 0.2s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-listen { font-weight: 600; color: var(--accent) !important; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3rem, 7vw, 6rem) 1.75rem clamp(3rem, 6vw, 5rem);
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 4rem; align-items: center;
}
.hero-copy h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.08; margin: 1.1rem 0 1.4rem; max-width: 15ch;
}
.lede { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: var(--ink-2); max-width: 46ch; }
.lede strong { color: var(--ink); font-weight: 600; }

.hero-portrait { position: relative; }
.hero-portrait img {
  width: 100%; height: auto; display: block;
  border-radius: 10px; border: 1px solid var(--line);
  box-shadow: 0 24px 50px -28px rgba(22,35,59,0.4);
}
.hero-portrait figcaption {
  margin-top: 0.9rem; font-size: 0.85rem; color: var(--muted);
  text-align: center; letter-spacing: 0.02em;
}

/* ---------- about ---------- */
.about-lede {
  font-family: var(--serif); font-size: clamp(1.2rem, 2vw, 1.5rem);
  line-height: 1.5; color: var(--ink-2); max-width: 40ch; margin-bottom: 3.5rem;
}
.points { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.points li { border-top: 2px solid var(--ink); padding-top: 1.1rem; }
.point-no { font-family: var(--serif); font-size: 0.95rem; color: var(--accent); }
.points h3 { font-size: 1.25rem; margin: 0.5rem 0 0.5rem; }
.points p { color: var(--muted); font-size: 0.97rem; }

/* ---------- episodes ---------- */
.ep {
  display: grid; grid-template-columns: 160px 1fr; gap: 2rem;
  padding: 2rem 0; border-top: 1px solid var(--line); text-decoration: none; color: inherit;
}
.episodes .ep:last-child { border-bottom: 1px solid var(--line); }
.ep-no { font-family: var(--sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); padding-top: 0.35rem; }
.ep-date { display: block; margin-top: 0.35rem; font-weight: 500; letter-spacing: 0.02em; text-transform: none; font-size: 0.82rem; color: var(--accent); }
.ep-main h3 { font-size: 1.45rem; line-height: 1.2; margin-bottom: 0.5rem; transition: color 0.2s var(--ease); }
.ep-main p { color: var(--ink-2); max-width: 60ch; margin-bottom: 0.9rem; }
.ep-guest { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 0.9rem; }
.guest-avatar { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); flex: none; }
.guest-name { font-weight: 600; color: var(--ink); font-size: 0.98rem; line-height: 1.3; }
.guest-name em { display: block; font-style: normal; font-weight: 400; color: var(--muted); font-size: 0.88rem; }
.ep-link { color: var(--accent); font-weight: 500; font-size: 0.95rem; }
.ep--live:hover h3 { color: var(--accent); }
.ep-tag {
  display: inline-block; margin-bottom: 0.7rem; font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent);
  border: 1px solid rgba(22,69,110,0.35); border-radius: 4px; padding: 0.25rem 0.6rem;
}

/* ---------- host ---------- */
.host-body { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: start; }
.host-copy p { color: var(--ink-2); margin-bottom: 1.1rem; max-width: 52ch; }
.credentials { list-style: none; border-top: 2px solid var(--ink); }
.credentials li { padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: 0.98rem; color: var(--ink); }
.credentials span { display: block; font-family: var(--sans); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }

/* ---------- listen ---------- */
.listen { text-align: center; }
.listen-inner {
  max-width: 620px; margin: 0 auto;
  background: var(--paper-2); border: 1px solid var(--line-2);
  border-radius: 14px; padding: clamp(2.5rem, 5vw, 3.5rem);
}
.listen-inner h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); margin-bottom: 0.7rem; }
.listen-inner > p { color: var(--ink-2); max-width: 40ch; margin: 0 auto; }
.listen-note { margin-top: 1.4rem; font-size: 0.85rem; color: var(--muted); }

/* ---------- footer ---------- */
.footer {
  max-width: var(--maxw); margin: 0 auto; padding: 3rem 1.75rem;
  border-top: 1px solid var(--line); text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
}
.footer-brand { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; }
.footer-tag { color: var(--muted); font-size: 0.95rem; max-width: 42ch; }
.footer-meta { display: flex; gap: 0.7rem; align-items: center; color: var(--muted); font-size: 0.9rem; }
.footer-meta a { color: var(--ink-2); text-decoration: none; }
.footer-meta a:hover { color: var(--accent); }

/* ---------- subtle reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.in { opacity: 1; transform: none; transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-portrait { max-width: 340px; margin: 0 auto; order: -1; }
  .points { grid-template-columns: 1fr; gap: 1.5rem; }
  .host-body { grid-template-columns: 1fr; gap: 2.2rem; }
  .ep { grid-template-columns: 1fr; gap: 0.6rem; }
  .ep-no { padding-top: 0; }
}
@media (max-width: 520px) {
  .nav-links { gap: 1.1rem; }
  .nav-links a:not(.nav-listen) { display: none; }
}