/* =====================
   RESET & BASE
   ===================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #0d0d0d;
  --white: #ffffff;
  --gray-50: #f7f7f5;
  --gray-100: #efefed;
  --gray-200: #deded9;
  --gray-400: #9a9a93;
  --gray-600: #555550;
  --gray-800: #1e1e1b;
  --accent: #e85c2b;
  --accent-dark: #c44720;
  --accent-light: #fff0eb;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --radius: 14px;
  --shadow: 0 4px 20px rgba(0,0,0,0.07);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.14);
  --transition: 0.22s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 28px;
}

section { padding: 100px 0; }
.bg-light { background: var(--gray-50); }

/* =====================
   FLOATING NAVBAR
   ===================== */
#navbar {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: calc(100% - 48px);
  max-width: 1000px;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(16px);
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 8px 40px rgba(0,0,0,0.3);
  transition: box-shadow var(--transition);
}

.nav-inner {
  padding: 0 8px 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  letter-spacing: -0.3px;
}

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
  padding: 8px 14px;
  border-radius: 100px;
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
  padding: 10px 20px !important;
  font-weight: 600 !important;
  border-radius: 100px !important;
  transition: background var(--transition) !important;
}
.nav-cta:hover { background: var(--accent-dark) !important; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--white);
  padding: 8px;
}

/* =====================
   HERO — DARK
   ===================== */
#hero {
  min-height: 100vh;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  padding: 100px 28px 80px;
  position: relative;
  overflow: hidden;
}

#hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(232,92,43,0.12) 0%, transparent 70%);
  pointer-events: none;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(232,92,43,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-content {}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,92,43,0.15);
  border: 1px solid rgba(232,92,43,0.3);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 100px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(52px, 6vw, 84px);
  line-height: 1.0;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: var(--white);
}

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

.hero-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.55);
  max-width: 500px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.hero-subtitle strong { color: rgba(255,255,255,0.85); font-weight: 500; }

.hero-cta {
  display: flex;
  gap: 12px;
  margin-bottom: 56px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  letter-spacing: 0.2px;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,92,43,0.35); }

.btn-secondary {
  background: transparent;
  color: rgba(255,255,255,0.7);
  border-color: rgba(255,255,255,0.2);
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.5); color: var(--white); }

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
  border-radius: 8px;
}
.btn-outline:hover { background: var(--accent); color: var(--white); }

.hero-stats {
  display: flex;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  padding-right: 32px;
  margin-right: 32px;
  border-right: 1px solid rgba(255,255,255,0.1);
}
.stat:last-child { border-right: none; }

.stat-number {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -1.5px;
  line-height: 1;
  color: var(--white);
}

.stat-number span { color: var(--accent); }

.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hero image */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at center, rgba(232,92,43,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-photo {
  width: 380px;
  height: 440px;
  object-fit: cover;
  border-radius: 200px 200px 180px 180px;
  filter: grayscale(20%);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  position: relative;
  z-index: 1;
  border: 3px solid rgba(255,255,255,0.06);
}

/* Rotating badge */
.rotating-badge {
  position: absolute;
  bottom: 20px;
  right: -10px;
  width: 120px;
  height: 120px;
  z-index: 2;
}

.rotating-text {
  width: 120px;
  height: 120px;
  animation: spin 12s linear infinite;
}

.rotating-text text {
  font-size: 10.5px;
  font-weight: 700;
  fill: var(--white);
  letter-spacing: 3.5px;
  text-transform: uppercase;
}

.badge-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* =====================
   SECTION HEADERS
   ===================== */
.section-header { margin-bottom: 52px; }

.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 52px);
  letter-spacing: -1.5px;
  margin-bottom: 14px;
  line-height: 1.1;
}

.section-eyebrow {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

.section-line {
  width: 40px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-intro {
  font-size: 17px;
  color: var(--gray-600);
  max-width: 680px;
  margin-bottom: 52px;
  line-height: 1.75;
}
.section-intro a { color: var(--accent); }
.section-intro a:hover { text-decoration: underline; }

/* =====================
   ABOUT
   ===================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: start;
}

.about-text .lead {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.55;
  margin-bottom: 22px;
  color: var(--gray-800);
}

.about-text p { color: var(--gray-600); margin-bottom: 18px; font-size: 16px; }
.about-text strong { color: var(--gray-800); font-weight: 600; }

.about-credentials {}

.credential-group { margin-bottom: 32px; }

.credential-group h3 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.credential-list { list-style: none; }
.credential-list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.credential-list li:last-child { border-bottom: none; }

.cred-degree { font-weight: 600; font-size: 14px; }
.cred-school { font-size: 13px; color: var(--gray-400); }

/* =====================
   RESEARCH AREAS
   ===================== */
.research-areas {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.research-card {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.research-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.research-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: transparent;
  transform: translateY(-4px);
}
.research-card:hover::before { transform: scaleX(1); }

.research-icon { font-size: 26px; margin-bottom: 18px; }

.research-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.research-card p { font-size: 15px; color: var(--gray-600); line-height: 1.65; }

/* =====================
   PUBLICATIONS
   ===================== */
.pub-list { margin-bottom: 44px; }

.pub-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: background var(--transition);
}
.pub-item:last-child { border-bottom: none; }

.pub-year {
  flex: 0 0 52px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  padding-top: 3px;
  letter-spacing: 0.5px;
}

.pub-details h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 5px;
  line-height: 1.45;
  color: var(--gray-800);
}

.pub-journal { font-size: 13px; color: var(--gray-400); }

.pub-cta { text-align: center; }

/* =====================
   COACHING
   ===================== */
.coaching-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.coaching-card {
  padding: 36px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.coaching-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.coaching-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.2px;
}

.coaching-card p { font-size: 15px; color: var(--gray-600); margin-bottom: 16px; line-height: 1.65; }

.link-arrow {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.link-arrow:hover { text-decoration: underline; }

/* =====================
   SPEAKING
   ===================== */
.speaking-event {
  display: flex;
  gap: 40px;
  background: var(--white);
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  border-left: 4px solid var(--accent);
  transition: box-shadow var(--transition);
}
.speaking-event:hover { box-shadow: var(--shadow-lg); }

.event-year {
  flex: 0 0 64px;
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.5px;
}

.event-details h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
}

.event-details p { color: var(--gray-600); margin-bottom: 8px; font-size: 15px; }
.event-details p:first-of-type { color: var(--gray-400); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

/* =====================
   CONTACT — DARK
   ===================== */
#contact {
  background: var(--black);
  color: var(--white);
}

#contact .section-header h2 { color: var(--white); }
#contact .section-eyebrow { color: var(--accent); }
#contact .section-line { background: var(--accent); }

.section-intro.light { color: rgba(255,255,255,0.5); }

.contact-links {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 30px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.contact-card:hover {
  background: rgba(232,92,43,0.1);
  border-color: rgba(232,92,43,0.3);
  transform: translateY(-4px);
}

.contact-icon { font-size: 26px; margin-bottom: 12px; }
.contact-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: rgba(255,255,255,0.4); margin-bottom: 4px; }
.contact-handle { font-size: 14px; font-weight: 600; color: var(--white); }

/* =====================
   FOOTER
   ===================== */
footer {
  background: var(--black);
  color: rgba(255,255,255,0.3);
  padding: 28px 0;
  text-align: center;
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { display: none; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .research-areas { grid-template-columns: 1fr; }
  .coaching-grid { grid-template-columns: 1fr; }
  .contact-links { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  section { padding: 72px 0; }
  #navbar { top: 12px; width: calc(100% - 24px); }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .stat { border-right: none; padding-right: 0; margin-right: 0; }
  .contact-links { grid-template-columns: 1fr 1fr; }
  .speaking-event { flex-direction: column; gap: 16px; }
}