:root {
  --green:        #1e3d2b;
  --green-mid:    #2d5a3d;
  --green-light:  #f0f5f1;
  --green-accent: #4a7c5f;
  --cream:        #faf8f4;
  --warm-white:   #f5f2ec;
  --black:        #0d0d0d;
  --dark:         #1a1a1a;
  --grey:         #5a5a5a;
  --grey-light:   #9a9a9a;
  --border:       #e2ddd6;
  --ff-serif: 'Cormorant Garamond', Georgia, serif;
  --ff-sans:  'Inter', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--ff-sans); background: var(--cream); color: var(--dark); line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---------- Header ---------- */
.site-header { position: fixed; top: 0; width: 100%; z-index: 100; padding: 1.25rem 3rem; display: flex; align-items: center; justify-content: space-between; background: rgba(250,248,244,0.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.site-logo { font-family: var(--ff-serif); font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; color: var(--black); }
.site-logo span { color: var(--green-mid); }
.primary-nav ul { display: flex; gap: 2.5rem; align-items: center; }
.primary-nav a { font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; color: var(--grey); transition: color 0.2s; }
.primary-nav a:hover, .primary-nav a.active { color: var(--green-mid); }
.primary-nav .nav-cta { padding: 0.6rem 1.5rem; background: var(--green); color: #fff; border-radius: 2px; font-size: 0.75rem; letter-spacing: 0.08em; }
.primary-nav .nav-cta:hover { background: var(--green-mid); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 28px; }
.nav-toggle span { display: block; height: 2px; background: var(--black); border-radius: 2px; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; border-radius: 2px; font-family: var(--ff-sans); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; transition: background 0.2s, color 0.2s, border-color 0.2s, opacity 0.2s; }
.btn--primary { padding: 1rem 2.5rem; background: var(--green); color: #fff; font-size: 0.8rem; border: 2px solid var(--green); }
.btn--primary:hover { background: var(--green-mid); border-color: var(--green-mid); }
.btn--ghost { padding: 1rem 2.5rem; border: 1px solid var(--border); color: var(--dark); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; }
.btn--ghost:hover { border-color: var(--green-mid); color: var(--green-mid); }
.btn--white { padding: 1rem 2.5rem; background: #fff; color: var(--green); font-size: 0.8rem; border: 2px solid #fff; }
.btn--white:hover { opacity: 0.9; }
.btn--outline-white { padding: 1rem 2.5rem; background: transparent; color: #fff; font-size: 0.8rem; border: 1px solid rgba(255,255,255,0.5); }
.btn--outline-white:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

/* ---------- Shared bits ---------- */
.eyebrow { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.eyebrow::before { content: ''; width: 30px; height: 1px; background: var(--green-mid); }
.eyebrow span { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-mid); }
.section-title { font-family: var(--ff-serif); font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 300; line-height: 1.1; letter-spacing: -0.02em; color: var(--black); margin-bottom: 1.5rem; }
.section-title strong { font-weight: 600; }
.lead { font-size: 1.05rem; line-height: 1.9; color: var(--grey); max-width: 620px; }

/* ---------- Hero ---------- */
.hero { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; padding-top: 70px; }
.hero__left { display: flex; flex-direction: column; justify-content: center; padding: 5rem 4rem 5rem 5rem; background: var(--cream); }
.hero__eyebrow { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.hero__eyebrow span { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-mid); }
.hero__eyebrow::after { content: ''; flex: 1; max-width: 60px; height: 1px; background: var(--green-mid); }
.hero__name { font-family: var(--ff-serif); font-size: clamp(3rem, 5vw, 5.5rem); font-weight: 300; line-height: 1.05; letter-spacing: -0.02em; color: var(--black); margin-bottom: 1.5rem; }
.hero__name strong { font-weight: 600; display: block; }
.hero__title-line { font-family: var(--ff-serif); font-size: 1.35rem; font-weight: 300; font-style: italic; color: var(--green-mid); margin-bottom: 2rem; line-height: 1.4; }
.hero__bio { font-size: 1rem; line-height: 1.8; color: var(--grey); max-width: 460px; margin-bottom: 3rem; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__logos { margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.hero__logos p { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey-light); margin-bottom: 1rem; }
.logo-list { display: flex; gap: 1rem; flex-wrap: wrap; }
.logo-badge { font-family: var(--ff-serif); font-size: 0.9rem; font-weight: 600; color: var(--grey); padding: 0.35rem 0.75rem; border: 1px solid var(--border); border-radius: 2px; }
.hero__right { position: relative; background: var(--green); overflow: hidden; min-height: 60vh; }
.hero__right img { width: 100%; height: 100%; object-fit: cover; object-position: center top; mix-blend-mode: luminosity; opacity: 0.65; }
.hero__right::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(30,61,43,0.35) 0%, rgba(30,61,43,0.7) 100%); }
.hero__quote { position: absolute; bottom: 3rem; left: 3rem; right: 3rem; z-index: 2; color: #fff; }
.hero__quote p { font-family: var(--ff-serif); font-size: 1.5rem; font-weight: 300; font-style: italic; line-height: 1.5; margin-bottom: 1rem; }
.hero__quote cite { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; opacity: 0.7; font-style: normal; }

/* ---------- Stats bar ---------- */
.stats-bar { background: var(--green); padding: 2.5rem 5rem; display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.stat { text-align: center; color: #fff; flex: 1; }
.stat__n { font-family: var(--ff-serif); font-size: 3rem; font-weight: 600; line-height: 1; display: block; }
.stat__l { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; opacity: 0.6; margin-top: 0.4rem; }
.stat-div { width: 1px; height: 3rem; background: rgba(255,255,255,0.15); flex-shrink: 0; }

/* ---------- About ---------- */
.about { padding: 8rem 5rem; display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: center; background: var(--cream); }
.about__img-wrap { position: relative; }
.about__img-wrap img { width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: center; border-radius: 2px; }
.about__img-badge { position: absolute; bottom: -2rem; right: -2rem; background: var(--green); color: #fff; padding: 1.5rem 2rem; border-radius: 2px; font-family: var(--ff-serif); font-size: 0.95rem; line-height: 1.4; max-width: 240px; }
.about__img-badge strong { display: block; font-size: 1.5rem; font-weight: 600; margin-bottom: 0.25rem; }
.about__text p { font-size: 1rem; line-height: 1.9; color: var(--grey); margin-bottom: 1.25rem; }
.cred-list { margin-top: 2.5rem; }
.cred { display: flex; gap: 1.5rem; align-items: flex-start; padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
.cred:first-child { border-top: 1px solid var(--border); }
.cred__dot { width: 8px; height: 8px; background: var(--green-mid); border-radius: 50%; margin-top: 0.5rem; flex-shrink: 0; }
.cred__title { font-weight: 600; font-size: 0.9rem; color: var(--black); margin-bottom: 0.2rem; }
.cred__sub { font-size: 0.85rem; color: var(--grey-light); }
.about__social { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.about__social a { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.6rem 1.1rem; border: 1px solid var(--border); border-radius: 2px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; color: var(--dark); transition: border-color 0.2s, color 0.2s, background 0.2s; }
.about__social a:hover { border-color: var(--green-mid); color: var(--green-mid); background: var(--green-light); }
.about__social svg { width: 16px; height: 16px; fill: currentColor; flex-shrink: 0; }

/* ---------- Book ---------- */
.book { background: var(--warm-white); padding: 8rem 5rem; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 6rem; align-items: center; }
.book__cover-wrap { position: relative; display: flex; justify-content: center; }
.book__cover-wrap::before { content: ''; position: absolute; inset: 2rem -2rem -2rem 2rem; background: var(--green-light); border-radius: 2px; z-index: 0; }
.book__cover { position: relative; z-index: 1; width: 320px; max-width: 100%; border-radius: 2px; box-shadow: 0 30px 80px rgba(0,0,0,0.25); }
.book__eyebrow span { color: var(--green-mid); }
.book__title { font-family: var(--ff-serif); font-size: clamp(2.25rem, 3.5vw, 3.25rem); font-weight: 300; line-height: 1.1; color: var(--black); margin-bottom: 0.5rem; }
.book__subtitle { font-family: var(--ff-serif); font-size: 1.3rem; font-style: italic; color: var(--green-mid); margin-bottom: 2rem; }
.book__desc { font-size: 1.05rem; line-height: 1.9; color: var(--grey); max-width: 540px; margin-bottom: 2.5rem; }
.book__endorsements { display: flex; flex-direction: column; gap: 1.5rem; margin-bottom: 2.5rem; }
.endorsement { padding-left: 1.5rem; border-left: 2px solid var(--green-light); }
.endorsement p { font-family: var(--ff-serif); font-size: 1.15rem; font-style: italic; line-height: 1.6; color: var(--dark); margin-bottom: 0.5rem; }
.endorsement cite { font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--grey-light); font-style: normal; }

/* ---------- Research ---------- */
.research { padding: 8rem 5rem; background: var(--cream); }
.research__head { max-width: 680px; margin-bottom: 4rem; }
.research__areas { margin-bottom: 4rem; }
.research__areas h3 { font-family: var(--ff-serif); font-size: 1.5rem; font-weight: 600; margin-bottom: 1.5rem; color: var(--black); }
.area-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.area-tag { padding: 0.45rem 1.1rem; background: var(--green-light); color: var(--green-mid); font-size: 0.85rem; font-weight: 500; border-radius: 100px; border: 1px solid rgba(45,90,61,0.18); }
.awards { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 3rem; }
.award { display: flex; gap: 1.25rem; align-items: flex-start; padding: 1.75rem; background: #fff; border: 1px solid var(--border); border-radius: 2px; }
.award__icon { font-size: 1.75rem; flex-shrink: 0; }
.award__title { font-weight: 600; font-size: 0.95rem; color: var(--black); margin-bottom: 0.35rem; }
.award__meta { font-size: 0.85rem; color: var(--grey); line-height: 1.6; }

/* ---------- Speaking ---------- */
.speaking { padding: 8rem 5rem; background: var(--green); color: #fff; }
.speaking .section-title, .speaking__head h2 { color: #fff; }
.speaking .eyebrow span { color: rgba(255,255,255,0.7); }
.speaking .eyebrow::before { background: rgba(255,255,255,0.6); }
.speaking__head { max-width: 680px; margin-bottom: 4rem; }
.speaking__head .lead { color: rgba(255,255,255,0.75); }
.speaking__gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.25rem; }
.speaking__gallery img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: center; border-radius: 2px; border: 1px solid rgba(255,255,255,0.12); }
.speaking__gallery-note { margin-bottom: 4rem; font-size: 0.8rem; letter-spacing: 0.04em; color: rgba(255,255,255,0.6); }
.topics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.12); border-radius: 2px; overflow: hidden; }
.topic { background: var(--green); padding: 2.5rem 2rem; transition: background 0.25s; }
.topic:hover { background: var(--green-mid); }
.topic__n { font-family: var(--ff-serif); font-size: 1.1rem; color: var(--green-accent); display: block; margin-bottom: 1rem; }
.topic h3 { font-family: var(--ff-serif); font-size: 1.35rem; font-weight: 600; margin-bottom: 0.75rem; }
.topic p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.7); }
.speaking__cta { margin-top: 4rem; padding: 3rem; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 2px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.speaking__cta h3 { font-family: var(--ff-serif); font-size: 1.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.speaking__cta p { color: rgba(255,255,255,0.7); max-width: 480px; }

/* ---------- Contact ---------- */
.contact { padding: 8rem 5rem; background: var(--cream); display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; }
.contact__info .lead { margin-bottom: 2.5rem; }
.contact__links { display: flex; flex-direction: column; gap: 1rem; }
.contact__link { display: flex; align-items: center; gap: 0.75rem; font-size: 0.95rem; color: var(--grey); transition: color 0.2s; }
.contact__link:hover { color: var(--green-mid); }
.form-notice { padding: 0.9rem 1.25rem; border-radius: 2px; font-size: 0.9rem; margin-bottom: 1.5rem; }
.form-notice--ok { background: var(--green-light); color: var(--green); border: 1px solid rgba(45,90,61,0.25); }
.form-notice--err { background: #fbeae8; color: #8a2b22; border: 1px solid rgba(138,43,34,0.25); }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-group label { display: block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 0.5rem; color: var(--black); }
.form-group input, .form-group textarea { width: 100%; padding: 0.9rem 1rem; border: 1px solid var(--border); border-radius: 2px; font-family: var(--ff-sans); font-size: 1rem; color: var(--black); background: #fff; transition: border-color 0.2s; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--green-mid); }
.form-group textarea { resize: vertical; min-height: 150px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--black); color: rgba(255,255,255,0.6); padding: 3.5rem 5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; }
.footer-logo { font-family: var(--ff-serif); font-size: 1.25rem; color: #fff; }
.footer-logo span { color: var(--green-accent); }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 0.75rem; width: 100%; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.1); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .site-header, .stats-bar, .about, .book, .research, .speaking, .contact, .site-footer { padding-left: 2.5rem; padding-right: 2.5rem; }
  .hero__left { padding: 4rem 2.5rem; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero__right { min-height: 70vh; order: -1; }
  .about, .book, .contact { grid-template-columns: 1fr; gap: 3rem; }
  .book__cover-wrap { order: -1; }
  .about__img-badge { right: 1rem; bottom: -1.5rem; }
  .topics { grid-template-columns: 1fr 1fr; }
  .speaking__gallery { grid-template-columns: 1fr 1fr; }
  .awards { grid-template-columns: 1fr; }
  .stats-bar { flex-wrap: wrap; }
  .stat-div { display: none; }
  .stat { flex-basis: 40%; }
}
@media (max-width: 600px) {
  .site-header { padding: 1rem 1.5rem; }
  .primary-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--cream); border-bottom: 1px solid var(--border); padding: 1.5rem; display: none; }
  .primary-nav.open { display: block; }
  .primary-nav ul { flex-direction: column; gap: 1.25rem; align-items: flex-start; }
  .nav-toggle { display: flex; }
  .hero__left, .stats-bar, .about, .book, .research, .speaking, .contact, .site-footer { padding-left: 1.5rem; padding-right: 1.5rem; }
  .topics { grid-template-columns: 1fr; }
  .speaking__gallery { grid-template-columns: 1fr 1fr; }
  .speaking__cta { flex-direction: column; align-items: flex-start; }
  .site-footer { flex-direction: column; align-items: flex-start; text-align: left; }
}