:root {
  --green-950: #163a2c;
  --green-850: #234c3b;
  --green-700: #426b57;
  --green-300: #aebfae;
  --green-150: #dce5d9;
  --cream: #f7f4ec;
  --paper: #fffdf8;
  --ink: #1f2a24;
  --muted: #5c665f;
  --border: rgba(31, 70, 53, 0.20);
  --shadow: 0 12px 34px rgba(25, 53, 41, 0.10);
  --radius: 1rem;
  --content-width: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: var(--green-850); text-underline-offset: .18em; }
img { max-width: 100%; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #a66b16; outline-offset: 3px; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 999;
  background: #fff;
  color: var(--ink);
  padding: .7rem 1rem;
  border: 2px solid var(--green-950);
  border-radius: .5rem;
}
.skip-link:focus { top: 1rem; }
.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: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: .55rem max(1rem, calc((100vw - var(--content-width)) / 2));
  background: rgba(255,253,248,.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  text-decoration: none;
  color: var(--green-950);
}
.brand-mark { width: 42px; height: 42px; flex: 0 0 auto; }
.brand-mark svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; }
.brand strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  letter-spacing: .035em;
  line-height: 1.05;
}
.brand small {
  display: block;
  margin-top: .18rem;
  text-transform: uppercase;
  letter-spacing: .27em;
  font-size: .62rem;
}
.site-nav { display: flex; align-items: center; gap: 1.15rem; }
.site-nav a { color: var(--ink); text-decoration: none; font-weight: 650; font-size: .9rem; }
.site-nav a:hover { color: var(--green-700); }
.nav-toggle { display: none; min-width: 44px; min-height: 44px; border: 0; background: none; padding: .5rem; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px auto; background: var(--green-950); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .65rem 1rem;
  border: 1px solid var(--green-950);
  border-radius: .65rem;
  background: var(--green-950);
  color: #fff !important;
  text-decoration: none;
  font-size: .95rem;
  font-weight: 700;
  transition: background .2s ease, transform .2s ease;
}
.button:hover { background: var(--green-850); transform: translateY(-1px); }
.button-small { min-height: 40px; padding: .5rem .8rem; font-size: .88rem; }
.button-ghost { background: rgba(255,255,255,.88); color: var(--green-950) !important; }

.hero {
  position: relative;
  min-height: 510px;
  display: grid;
  align-items: center;
  background: url("assets/hero-lake-clean.jpg") center 62% / cover no-repeat;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,253,248,.97) 0%, rgba(255,253,248,.90) 34%, rgba(255,253,248,.45) 53%, rgba(255,253,248,.06) 78%);
}
.hero-content {
  position: relative;
  width: min(38rem, calc(100% - 2rem));
  margin-left: max(1rem, calc((100vw - var(--content-width)) / 2));
  padding: 3.5rem 0;
}
.eyebrow {
  margin: 0 0 .55rem;
  color: var(--green-700);
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .72rem;
  font-weight: 800;
}
h1, h2, h3 {
  color: var(--green-950);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 500;
  line-height: 1.14;
}
h1 { max-width: 38rem; margin: 0 0 1rem; font-size: clamp(2.5rem, 5vw, 4.45rem); }
h2 { margin: 0 0 .8rem; font-size: clamp(1.85rem, 3vw, 2.9rem); }
h3 { margin: 0 0 .55rem; font-size: 1.3rem; }
p { max-width: 68ch; }
.hero-copy { max-width: 34rem; margin: 0; font-size: clamp(1rem, 1.2vw, 1.1rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.35rem 0 1.4rem; }
.availability-strip {
  display: flex;
  flex-wrap: wrap;
  max-width: 31rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-size: .92rem;
}
.availability-strip span { flex: 1 1 13rem; padding: .75rem 1rem .75rem 0; }
.availability-strip span + span { border-left: 1px solid var(--border); padding-left: 1.15rem; }

.section {
  padding: clamp(3rem, 5vw, 5rem) max(1rem, calc((100vw - var(--content-width)) / 2));
}
.about-section {
  display: grid;
  grid-template-columns: minmax(210px, 285px) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  background: var(--cream);
}
.portrait-wrap { width: min(100%, 285px); justify-self: center; }
.portrait-wrap img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  border: 7px solid #fff;
  box-shadow: var(--shadow);
}
.section-copy p { font-size: 1rem; }
.supervision-note {
  margin-top: 1.5rem;
  padding: 1.1rem 1.2rem;
  border-left: 4px solid var(--green-700);
  border-radius: 0 .7rem .7rem 0;
  background: #fff;
  box-shadow: 0 8px 24px rgba(25,53,41,.07);
}
.supervision-note h3 { font-size: 1.12rem; }
.supervision-note p { margin-bottom: 0; }

.services-section { background: var(--paper); }
.section-heading { max-width: 46rem; margin: 0 auto 2rem; text-align: center; }
.section-heading p { margin-inline: auto; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: var(--content-width);
  margin: 0 auto;
}
.service-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 9px 28px rgba(25,53,41,.055);
}
.service-card p { margin-bottom: 0; }
.service-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: var(--green-150);
  color: var(--green-950);
  font-size: .9rem;
  font-weight: 800;
}

.availability-section {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 3rem;
  align-items: start;
  background: var(--green-150);
}
.availability-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: .9rem; }
.availability-cards article { padding: 1.35rem; border-radius: var(--radius); background: rgba(255,255,255,.78); }
.placeholder { color: var(--muted); font-size: .9rem; font-style: italic; }

.formation-banner {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 3rem;
  padding: 2.7rem max(1rem, calc((100vw - var(--content-width)) / 2));
  background: var(--green-950);
  color: #fff;
}
.formation-banner h2, .formation-banner .eyebrow { color: #fff; }
.formation-banner h2 { font-size: clamp(1.8rem, 3vw, 2.65rem); }
.formation-banner p { margin-top: .2rem; }

.contact-section {
  display: grid;
  grid-template-columns: 1fr .75fr;
  gap: 3rem;
  background: var(--cream);
}
.contact-card { padding: 1.5rem; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.contact-card span {
  display: block;
  margin-top: .85rem;
  color: var(--green-700);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: .7rem;
  font-weight: 800;
}
.contact-card span:first-child { margin-top: 0; }
.contact-card a, .contact-card p { margin: .2rem 0 0; font-size: 1rem; }

.site-footer {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 2.5rem;
  padding: 2rem max(1rem, calc((100vw - var(--content-width)) / 2));
  background: #0f2d22;
  color: rgba(255,255,255,.82);
  font-size: .86rem;
}
.footer-brand { display: flex; flex-direction: column; gap: .3rem; }
.footer-brand strong { color: #fff; font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; font-weight: 500; }
.footer-note p { margin: 0 0 .55rem; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    inset: 68px 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: .25rem;
    padding: 1rem;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
  }
  .site-nav.open { display: flex; }
  .site-nav a { min-height: 44px; display: flex; align-items: center; padding: .55rem .5rem; }
  .hero { min-height: 500px; background-position: 60% 64%; }
  .hero-overlay { background: linear-gradient(90deg, rgba(255,253,248,.98) 0%, rgba(255,253,248,.93) 55%, rgba(255,253,248,.35) 100%); }
  .about-section, .availability-section, .formation-banner, .contact-section, .site-footer { grid-template-columns: 1fr; gap: 1.75rem; }
  .service-grid { grid-template-columns: 1fr; }
  .portrait-wrap { max-width: 250px; }
}

@media (max-width: 620px) {
  .site-header { min-height: 64px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand strong { font-size: 1rem; }
  .brand small { font-size: .56rem; }
  .site-nav { inset: 64px 0 auto; }
  .hero { min-height: 560px; background-position: 58% 68%; }
  .hero-content { margin-left: 1rem; padding: 3rem 1rem 3rem 0; }
  h1 { font-size: clamp(2.25rem, 12vw, 3.4rem); }
  .availability-strip span + span { border-left: 0; border-top: 1px solid var(--border); padding-left: 0; }
  .availability-cards { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* Chelsea Osman identity mark */
.brand-initials {
  display: inline-grid;
  place-items: center;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}