:root {
  --ink: #10242a;
  --muted: #5e7075;
  --soft: #eef6f5;
  --paper: #fbfcfb;
  --line: #dbe8e6;
  --teal: #0d7c78;
  --teal-dark: #075f62;
  --blue: #265c7d;
  --sage: #b9d6c9;
  --coral: #c86b5a;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(16, 36, 42, 0.14);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(238, 246, 245, 0.85), rgba(251, 252, 251, 0.96) 38rem),
    var(--paper);
  color: var(--ink);
  font-family: "Instrument Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: calc(var(--max) + 48px);
  margin: 0 auto;
  padding: 18px 24px;
  background: rgba(251, 252, 251, 0.88);
  border-bottom: 1px solid rgba(219, 232, 230, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-weight: 800;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 0.98rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 700;
  padding: 10px 13px;
}

.site-nav a:hover {
  background: var(--soft);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 86px 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
  min-height: 0;
  padding-top: 30px;
  padding-bottom: 52px;
}

.hero-copy {
  display: grid;
  max-width: 1040px;
  margin: 0 auto;
  justify-items: center;
  text-align: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Source Serif 4", Georgia, serif;
  letter-spacing: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 18px;
  font-size: clamp(2.7rem, 5.7vw, 4.9rem);
  line-height: 0.98;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
  line-height: 1.15;
}

.hero-lede,
.section-copy p,
.about-panel p,
.booking-copy p {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
}

.hero-lede {
  max-width: 690px;
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  padding: 13px 18px;
  text-align: center;
}

.button.primary {
  background: var(--teal);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(13, 124, 120, 0.22);
}

.button.secondary {
  background: var(--white);
  border-color: var(--line);
  color: var(--ink);
}

.inline-button {
  width: fit-content;
  margin-top: 12px;
}

.credential-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 640px;
  width: min(100%, 640px);
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  overflow: hidden;
}

.credential-strip div {
  padding: 17px;
}

.credential-strip div + div {
  border-left: 1px solid var(--line);
}

.credential-strip dt {
  font-size: 1.18rem;
  font-weight: 900;
}

.credential-strip dd {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(180deg, rgba(16, 36, 42, 0) 38%, rgba(16, 36, 42, 0.48));
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.portrait-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(310px, calc(100% - 44px));
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 44px rgba(16, 36, 42, 0.2);
  backdrop-filter: blur(12px);
}

.portrait-initials {
  display: grid;
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-weight: 900;
}

.portrait-card strong,
.portrait-card span {
  display: block;
}

.portrait-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.proof-band {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 38px;
  gap: 10px;
}

.proof-band span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
  text-align: center;
  padding: 12px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 80px);
  border-top: 1px solid var(--line);
}

.section-copy {
  display: grid;
  gap: 16px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.topic-section {
  padding-top: 80px;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.topic-card {
  min-height: 270px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  padding: 24px;
}

.topic-card.featured {
  background: var(--ink);
  color: var(--white);
}

.topic-card p {
  color: var(--muted);
}

.topic-card.featured p {
  color: rgba(255, 255, 255, 0.74);
}

.topic-number {
  display: inline-flex;
  margin-bottom: 30px;
  color: var(--coral);
  font-weight: 900;
}

.about-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
}

.experience-section {
  border-top: 1px solid var(--line);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.timeline-card,
.education-grid div,
.blog-preview-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.timeline-card {
  min-height: 330px;
  padding: 24px;
}

.timeline-card span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.timeline-card p {
  color: var(--muted);
}

.timeline-card .meta {
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 800;
}

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.education-grid div {
  min-height: 132px;
  padding: 22px;
}

.education-grid strong,
.education-grid span {
  display: block;
}

.education-grid strong {
  font-size: 1.05rem;
  line-height: 1.2;
}

.education-grid span {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.about-panel,
.stats-panel {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--white);
}

.about-panel {
  padding: clamp(28px, 5vw, 54px);
}

.stats-panel {
  display: grid;
  align-content: stretch;
  overflow: hidden;
}

.stats-panel div {
  display: grid;
  align-content: center;
  min-height: 150px;
  padding: 26px;
}

.stats-panel div + div {
  border-top: 1px solid var(--line);
}

.stats-panel strong {
  display: block;
  color: var(--teal-dark);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 2.4rem;
  line-height: 1;
}

.stats-panel span {
  color: var(--muted);
  font-weight: 700;
}

.booking-section {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  margin-bottom: 50px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(13, 124, 120, 0.09), rgba(38, 92, 125, 0.08)),
    var(--white);
}

.blog-preview-section {
  margin-top: 18px;
  padding-top: 64px;
  padding-bottom: 64px;
  background:
    linear-gradient(135deg, rgba(13, 124, 120, 0.1), rgba(200, 107, 90, 0.07)),
    var(--white);
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.18rem;
  display: grid;
  width: 18px;
  height: 18px;
  place-items: center;
  border-radius: 50%;
  background: var(--sage);
  color: var(--ink);
  content: "✓";
  font-size: 0.78rem;
  font-weight: 900;
}

.booking-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  padding: 18px;
  box-shadow: 0 18px 50px rgba(16, 36, 42, 0.08);
}

.booking-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.booking-form .full {
  grid-column: 1 / -1;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
  font: inherit;
  padding: 13px 12px;
}

input:focus,
textarea:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(13, 124, 120, 0.16);
}

.form-note {
  grid-column: 1 / -1;
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: calc(var(--max) + 48px);
  margin: 0 auto;
  padding: 32px 24px 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer strong {
  color: var(--ink);
}

.site-footer p {
  margin: 4px 0 0;
}

.site-footer a {
  color: var(--teal-dark);
  font-weight: 900;
}

@media (max-width: 960px) {
  .hero,
  .split,
  .about-section,
  .booking-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
    padding-top: 44px;
  }

  .hero-visual {
    aspect-ratio: 16 / 9;
  }

  .proof-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .timeline-grid,
  .education-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stats-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .stats-panel div + div {
    border-top: 0;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 720px) {
  .site-header {
    padding: 14px 16px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
    padding: 8px;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    border-radius: var(--radius);
    padding: 13px;
  }

  .section {
    padding: 60px 18px;
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    font-size: clamp(2.8rem, 15vw, 4.4rem);
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .credential-strip,
  .topic-grid,
  .timeline-grid,
  .education-grid,
  .stats-panel,
  .booking-form {
    grid-template-columns: 1fr;
  }

  .credential-strip div + div,
  .stats-panel div + div {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .proof-band {
    grid-template-columns: 1fr;
    padding: 0 18px 24px;
  }

  .topic-card {
    min-height: 230px;
  }

  .booking-form {
    padding: 14px;
  }

  .site-footer {
    display: grid;
    padding: 28px 18px 42px;
  }
}

@media (max-width: 430px) {
  .brand small {
    display: none;
  }

  .hero-visual {
    aspect-ratio: 4 / 3;
  }

  .portrait-card {
    right: 14px;
    bottom: 14px;
    width: calc(100% - 28px);
  }
}