/* ---------- fonts ---------- */
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/Fraunces-var-fi.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Fraunces";
  src: url("../fonts/Fraunces-var-italic-fi.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("../fonts/Inter-var-fi.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-var-fi.woff2") format("woff2-variations");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

/* ---------- base ---------- */
html { background: var(--paper); color: var(--ink); }
body {
  font-family: var(--font-sans);
  font-size: var(--step-1);
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
}
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--ink); color: var(--paper);
  padding: 0.5rem 1rem;
}
.skip-link:focus { left: 1rem; top: 1rem; z-index: 100; }

a {
  color: var(--forest);
  text-decoration-color: transparent;
  transition: text-decoration-color 180ms ease;
}
a:hover, a:focus-visible { text-decoration-color: currentColor; }
a:focus-visible {
  outline: 2px solid var(--forest);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- layout shell ---------- */
.shell { max-width: var(--media-max); margin: 0 auto; padding: 0 var(--gutter); }
main > section { margin-block: var(--section-gap); }
.prose { max-width: var(--measure); }
.meta, .mono { font-family: var(--font-mono); font-size: var(--step-meta); letter-spacing: 0.02em; }
.muted { color: var(--muted); }

/* ---------- header ---------- */
.site-header {
  padding: 2rem var(--gutter);
  display: flex; align-items: baseline; justify-content: space-between;
  max-width: var(--media-max); margin: 0 auto;
}
.wordmark { font-family: var(--font-serif); font-size: var(--step-2); font-weight: 500; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
.site-nav { display: flex; gap: 1.25rem; align-items: baseline; font-size: var(--step-meta); }
.site-nav a { font-family: var(--font-mono); color: var(--muted); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--ink); }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
@media (min-width: 900px) { .hero { grid-template-columns: 1.1fr 1fr; gap: 5rem; } }
.hero-copy h1 {
  font-family: var(--font-serif);
  font-size: var(--step-6);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 450;
  max-width: 16ch;
}
.hero-copy em { font-style: italic; color: var(--forest); }
.hero-sub { margin-top: 1.5rem; color: var(--muted); font-family: var(--font-mono); font-size: var(--step-meta); }
.hero-cta { margin-top: 2.5rem; display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; }
.btn {
  display: inline-block;
  background: var(--forest); color: var(--paper);
  padding: 0.75rem 1.25rem; border-radius: 3px;
  font-family: var(--font-sans); font-weight: 500;
  text-decoration: none;
}
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--paper); text-decoration: none; }
.hero-img { border-radius: 4px; overflow: hidden; background: var(--forest); }
.hero-img img { width: 100%; height: auto; display: block; }

/* ---------- proof strip ---------- */
.proof {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem 2rem;
  padding-block: 2rem;
  border-block: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: var(--step-2);
}
.proof span { color: var(--ink); }
.proof small { display: block; font-size: var(--step-micro); color: var(--muted); margin-top: 0.25rem; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------- case study ---------- */
.case { max-width: var(--measure); }
.case + .case { margin-top: 6rem; }
.case .meta { color: var(--muted); margin-bottom: 1rem; letter-spacing: 0.02em; }
.case h2 {
  font-family: var(--font-serif);
  font-size: var(--step-5);
  line-height: 1.15;
  letter-spacing: -0.015em;
  font-weight: 450;
  margin-bottom: 1.5rem;
}
.case h2 em { font-style: italic; color: var(--forest); }
.case p { font-size: var(--step-1); margin-bottom: 1rem; }
.case .outcomes { list-style: none; padding: 0; margin-top: 2rem; display: flex; flex-direction: column; gap: 0.5rem; }
.case .outcomes li { font-family: var(--font-mono); font-size: var(--step-meta); color: var(--ink); padding-left: 1.5rem; position: relative; }
.case .outcomes li::before { content: "→"; position: absolute; left: 0; color: var(--forest); }

/* ---------- how I work ---------- */
.howiwork { max-width: var(--measure); }
.howiwork h2 {
  font-family: var(--font-serif);
  font-size: var(--step-4);
  font-weight: 450;
  margin-bottom: 2rem;
  color: var(--muted);
  letter-spacing: -0.01em;
}
.howiwork ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 1.5rem; counter-reset: principle; }
.howiwork li { padding-left: 2rem; position: relative; font-size: var(--step-1); }
.howiwork li::before {
  content: counter(principle, decimal-leading-zero);
  counter-increment: principle;
  position: absolute; left: 0; top: 0.3em;
  font-family: var(--font-mono); font-size: var(--step-micro);
  color: var(--forest); letter-spacing: 0.06em;
}

/* ---------- about ---------- */
.about { max-width: var(--measure); }
.about h2 {
  font-family: var(--font-serif); font-size: var(--step-4);
  font-weight: 450; margin-bottom: 2rem; color: var(--muted);
}
.about p { margin-bottom: 1rem; }
.outdoors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}
@media (max-width: 640px) { .outdoors { grid-template-columns: 1fr; } }
.outdoors figure { margin: 0; }
.outdoors button.thumb {
  display: block; padding: 0; border: 0; background: transparent; cursor: zoom-in; width: 100%;
}
.outdoors img {
  width: 100%; aspect-ratio: 1 / 1; object-fit: cover;
  border-radius: 3px;
  filter: saturate(0.85);
  transition: filter 180ms ease;
}
.outdoors button.thumb:hover img, .outdoors button.thumb:focus-visible img { filter: saturate(1); }
.outdoors figcaption { font-family: var(--font-mono); font-size: var(--step-micro); color: var(--muted); margin-top: 0.5rem; }

/* lightbox */
.lightbox {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.92);
  display: none; align-items: center; justify-content: center;
  padding: 2rem; cursor: zoom-out; z-index: 50;
  border: 0;
}
.lightbox[open] { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; display: block; }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 3rem var(--gutter) 4rem;
  max-width: var(--media-max); margin: var(--section-gap) auto 0;
  display: grid; gap: 2rem;
  font-size: var(--step-meta); color: var(--muted);
}
@media (min-width: 720px) { .site-footer { grid-template-columns: 1fr auto; } }
.site-footer a { color: var(--ink); }
.site-footer .mono { font-family: var(--font-mono); font-size: var(--step-micro); letter-spacing: 0.04em; color: var(--muted); }

/* ---------- click-to-copy toast ---------- */
.copied-toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--paper);
  padding: 0.5rem 1rem; border-radius: 3px;
  font-family: var(--font-mono); font-size: var(--step-micro);
  opacity: 0; transition: opacity 180ms ease; pointer-events: none;
  z-index: 40;
}
.copied-toast.show { opacity: 1; }