/* ═══ base ═════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: auto;              /* JS owns smooth scrolling */
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}

/* the smooth-scroll driver adds this while it owns the wheel */
html.is-smooth body { }

img, svg, canvas { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--forest); color: var(--paper); }

:focus-visible {
  outline: 2px solid var(--forest);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: 0; left: 50%;
  transform: translate(-50%, -120%);
  z-index: 100;
  padding: 0.7rem 1.4rem;
  background: var(--forest);
  color: var(--paper);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  border-radius: 0 0 8px 8px;
  transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ─── buttons ─────────────────────────────────────────────────────────── */

.btn {
  --btn-bg: var(--forest);
  --btn-fg: var(--paper);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  padding: 1.05em 2em;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  isolation: isolate;
  overflow: hidden;
  color: var(--btn-fg);
  background: var(--btn-bg);
  transition: color var(--dur-base) var(--ease-out),
              transform var(--dur-fast) var(--ease-out);
}
.btn > span, .btn > svg { position: relative; z-index: 2; }

/* wipe fill — a circle that grows from the bottom on hover */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--gold);
  border-radius: inherit;
  transform: translate3d(0, 101%, 0);
  transition: transform var(--dur-base) var(--ease-out);
}
.btn:hover::after, .btn:focus-visible::after { transform: translate3d(0, 0, 0); }
.btn:hover { color: var(--forest-deep); }
.btn:active { transform: scale(0.975); }

.btn__arrow {
  width: 1em; height: 1em;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn:hover .btn__arrow { transform: translateX(3px); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--forest);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--forest) 30%, transparent);
}
.btn--ghost:hover { color: var(--forest-deep); }

.btn--quiet {
  --btn-bg: transparent;
  --btn-fg: var(--forest);
  padding-inline: 0.4em;
  border-radius: 0;
}
.btn--quiet::after {
  inset: auto 0.4em 0.75em 0.4em;
  height: 1px;
  border-radius: 0;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.btn--quiet:hover::after, .btn--quiet:focus-visible::after { transform: scaleX(1); }
.btn--quiet:hover { color: var(--forest); }

.btn--sm { padding: 0.8em 1.5em; font-size: 0.7rem; }

/* ─── provisional header ──────────────────────────────────────────────── */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gutter);
  padding: clamp(1rem, 0.6rem + 1.2vw, 1.9rem) var(--gutter);
  color: var(--forest);
  transition: transform var(--dur-base) var(--ease-out),
              opacity var(--dur-base) var(--ease-out);
}
.site-header[data-hidden] { transform: translate3d(0, -110%, 0); opacity: 0; }

/* over the dark sections the forest-green header is invisible */
.site-header.is-light { color: var(--sand); }
.site-header.is-light .btn--ghost {
  --btn-fg: var(--sand);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--sand) 34%, transparent);
}

.site-header__mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.site-header__leaf { width: 1.15em; height: 1.15em; }
.site-header__leaf svg { width: 100%; height: 100%; }

.site-header__nav {
  display: flex;
  gap: clamp(1.2rem, 0.6rem + 1.6vw, 2.6rem);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.02em;
}
.site-header__nav a {
  position: relative;
  padding-block: 0.2em;
}
.site-header__nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-base) var(--ease-out);
}
.site-header__nav a:hover::after { transform: scaleX(1); transform-origin: left; }

@media (max-width: 860px) {
  .site-header__nav, .site-header__cta { display: none; }
}

/* ─── placeholder landing section ─────────────────────────────────────── */

.after {
  position: relative;
  z-index: 4;
  min-height: 62vh;
  display: grid;
  align-content: center;
  gap: 1.1rem;
  padding: 12vh var(--gutter);
  background: var(--forest);
  color: var(--sand);
  text-align: center;
  content-visibility: auto;
  contain-intrinsic-size: auto 62vh;
}
.after__kicker {
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  opacity: 0.5;
}
.after__line {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 0.9rem + 2.4vw, 3rem);
  line-height: 1.2;
}