:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1f2027;
  --ink-soft: #4a4a55;
  --muted: #6b6b76;
  --line: #e6e3dc;
  --accent: #5b6b4a;
  --accent-dark: #3f4d33;
  --accent-soft: #eef0e8;
  --serif: "Cormorant Garamond", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --max-width: 1100px;
  --radius: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.2;
  letter-spacing: -0.005em;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: 0 0 1rem; }
h3 { font-size: 1.4rem; margin: 0 0 0.5rem; }

p { margin: 0 0 1.1rem; color: var(--ink-soft); }

a {
  color: var(--accent-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(91, 107, 74, 0.35);
  transition: border-color 0.2s ease, color 0.2s ease;
}
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Navigation ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 250, 247, 0.92);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  border: none;
}
.brand:hover { color: var(--accent-dark); }
.nav-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--ink-soft);
  border: none;
  position: relative;
  padding: 0.25rem 0;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }
.nav-links a.active { color: var(--ink); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem 1.5rem 1rem;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { padding: 0.6rem 0; border-bottom: 1px solid var(--line); }
  .nav-links li:last-child { border-bottom: none; }
}

/* ---------- Layout helpers ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.section { padding: 5rem 0; }
.section-tight { padding: 3.5rem 0; }
.eyebrow {
  font-family: var(--sans);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background-color: #2a2e26;
  background-image:
    linear-gradient(rgba(20, 24, 18, 0.45), rgba(20, 24, 18, 0.6)),
    url("assets/hero.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 6rem 1.5rem 4rem;
}
.hero-content { max-width: 760px; }
.hero h1 {
  color: #fff;
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  margin-bottom: 0.75rem;
}
.hero-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: 2.5rem;
}
.scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  animation: bob 2.4s ease-in-out infinite;
}
.scroll-cue:hover { color: #fff; }
.scroll-cue .arrow {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.75);
  display: block;
  position: relative;
}
.scroll-cue .arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 8px;
  height: 8px;
  border-right: 1px solid rgba(255, 255, 255, 0.75);
  border-bottom: 1px solid rgba(255, 255, 255, 0.75);
  transform: translate(-50%, 4px) rotate(45deg);
}
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ---------- Bio ---------- */
.bio {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* ---------- Page header ---------- */
.page-header {
  padding: 5rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.page-header p { font-size: 1.1rem; max-width: 640px; }

/* ---------- Cards / lists ---------- */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}
.principles li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 1.25rem 1.25rem 1.1rem;
  border-radius: var(--radius);
}
.principles h3 {
  font-family: var(--sans);
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-dark);
  font-weight: 600;
  margin: 0 0 0.4rem;
}
.principles p { margin: 0; font-size: 0.95rem; }

.callout {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin: 2rem 0;
  border-left: 3px solid var(--accent);
}
.callout p:last-child { margin-bottom: 0; }

/* ---------- Books ---------- */
.book-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin: 2rem 0;
  padding: 0;
  list-style: none;
}
.book {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.book:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -16px rgba(31, 32, 39, 0.25);
  border-color: #d8d4ca;
}
.book-cover {
  flex: 0 0 100px;
  width: 100px;
  height: 150px;
  background: #f1efe9;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}
.book-cover img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.book-cover--empty {
  background:
    repeating-linear-gradient(
      45deg,
      #f1efe9 0,
      #f1efe9 8px,
      #eae7df 8px,
      #eae7df 16px
    );
}
.book-cover--empty img { display: none; }
.book-body { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.book h3 {
  font-family: var(--serif);
  font-size: 1.3rem;
  margin-bottom: 0.35rem;
}
.book .book-meta {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}
.book .book-body > p { font-size: 0.95rem; flex: 1; margin-bottom: 0.75rem; }
.book .book-link {
  margin-top: auto;
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-dark);
  border: none;
  align-self: flex-start;
}
.book .book-link::after {
  content: " \2192";
  transition: transform 0.2s ease;
  display: inline-block;
}
.book .book-link:hover::after { transform: translateX(3px); }
@media (max-width: 480px) {
  .book { padding: 1rem; gap: 1rem; }
  .book-cover { flex: 0 0 80px; width: 80px; height: 120px; }
  .book h3 { font-size: 1.15rem; }
}

/* ---------- Speaking engagement videos ---------- */
.video-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}
.video {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.video:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px -16px rgba(31, 32, 39, 0.25);
  border-color: #d8d4ca;
}
.video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #1f2027;
}
.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.video-meta {
  padding: 1rem 1.25rem 1.25rem;
}
.video-meta h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}
.video-meta p {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
}

/* ---------- Forms ---------- */
.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  margin-top: 2rem;
}
.form fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1.75rem;
}
.form legend {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 1rem;
  padding: 0;
  color: var(--ink);
}
.field { margin-bottom: 1.1rem; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 540px) {
  .field-row { grid-template-columns: 1fr; }
}
.field label,
.field-row label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 0.4rem;
}
.field label .req { color: #b04a3c; margin-left: 2px; }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="url"],
.field input[type="date"],
.field select,
.field textarea {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.65rem 0.8rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(91, 107, 74, 0.15);
}
.field-help { font-size: 0.82rem; color: var(--muted); margin-top: 0.3rem; }

.radio-group, .checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 0.25rem;
}
.radio-group label, .checkbox-group label {
  font-weight: 400;
  font-size: 0.95rem;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  cursor: pointer;
}
.radio-group input, .checkbox-group input { accent-color: var(--accent); }

.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  background: var(--accent-dark);
  color: #fff;
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius);
  padding: 0.85rem 1.75rem;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
.btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn:active { transform: translateY(1px); }

.hp { position: absolute; left: -9999px; }

/* ---------- Footer ---------- */
.site-footer {
  background: #1f2027;
  color: #c2c4c2;
  padding: 2.5rem 0;
  margin-top: 4rem;
  font-size: 0.9rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.site-footer a {
  color: #e8e7e3;
  border-bottom-color: rgba(255, 255, 255, 0.25);
}
.site-footer a:hover { color: #fff; border-bottom-color: #fff; }

/* ---------- Success page ---------- */
.success {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.success-inner { max-width: 520px; padding: 0 1.5rem; }