:root {
  --bg: #f7f3ec;
  --surface: #fffdf8;
  --fg: #1c1915;
  --muted: #5e574e;
  --primary: #6a4510;
  --line: #e4dccf;
  --ink: #f7f3ec;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Instrument Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
}

h1, h2, .display {
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

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

.wrap { max-width: 64rem; margin: 0 auto; padding: 0 1.25rem; }

header {
  position: sticky;
  top: 0;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(8px);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand img {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  object-fit: cover;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 60%, transparent);
}
.brand span { font-size: 0.95rem; letter-spacing: -0.03em; overflow-wrap: anywhere; }

nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.25rem 1.25rem; }
nav a { min-height: 2.75rem; display: inline-flex; align-items: center; color: var(--muted); font-size: 0.95rem; }
nav a:hover, nav a.is-active { color: var(--primary); }

.kicker {
  margin: 0;
  color: var(--primary);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1 { margin: 0.75rem 0 0; font-size: clamp(1.7rem, 7vw, 3.5rem); }

.hero {
  display: grid;
  align-items: center;
  gap: 2.5rem;
  padding: 4rem 0;
}
.hero img.logo {
  width: min(18rem, 80vw);
  height: min(18rem, 80vw);
  margin: 0 auto;
  border-radius: 999px;
  object-fit: cover;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary) 50%, transparent);
}
.prose { max-width: 36rem; display: grid; gap: 1.15rem; margin-top: 2rem; font-size: 1.125rem; }
.prose p { margin: 0; }
.lead { font-size: 1.7rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.btn {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0 1.25rem;
  font-size: 0.95rem;
}
.btn-fill { background: var(--primary); color: var(--ink); }
.btn-line { border: 1px solid var(--line); }

.trio { border-top: 1px solid var(--line); display: grid; }
.trio article { padding: 2.5rem 1.25rem; }
.trio h2 { margin: 0; font-size: 1.8rem; }
.trio p, .muted { color: var(--muted); }

.cards { display: grid; gap: 1rem; margin-top: 2rem; }
.card {
  min-height: 10rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  padding: 1.25rem;
}
.card:hover { border-color: var(--primary); }
.card strong { display: flex; justify-content: space-between; align-items: center; font-size: 1.7rem; font-weight: 500; letter-spacing: -0.04em; }
.arrow { color: var(--primary); }

section.block { padding: 4rem 0; }
section.block h2 { margin: 0; font-size: 2.2rem; }

footer { border-top: 1px solid var(--line); }
.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.95rem;
}

form { display: grid; gap: 1rem; margin-top: 2.5rem; }
label { display: grid; gap: 0.45rem; color: var(--muted); font-size: 0.95rem; }
input, textarea {
  min-height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--surface);
  color: var(--fg);
  font: inherit;
  padding: 0.7rem 1rem;
}
textarea { min-height: 8rem; }
input:focus, textarea:focus { outline: none; border-color: var(--primary); }
.pair { display: grid; gap: 1rem; }
.mail { font-size: 1.15rem; text-decoration: underline; text-underline-offset: 0.25rem; text-decoration-color: var(--primary); }
.note {
  border: 1px dashed var(--line);
  border-radius: 0.75rem;
  padding: 2rem 1.25rem;
  color: var(--muted);
}
.list { display: grid; gap: 1rem; margin: 3rem 0 0; padding: 0; list-style: none; }
.list li { border: 1px solid var(--line); border-radius: 0.75rem; background: var(--surface); padding: 1.25rem; }
.list h3 { margin: 0; font-size: 1.4rem; font-weight: 500; letter-spacing: -0.04em; }
.practice { margin: 0.2rem 0 0; color: var(--primary); font-size: 0.95rem; }
.ok { color: var(--primary); }

@media (min-width: 800px) {
  .hero { grid-template-columns: auto 1fr; padding: 6rem 0; }
  .trio { grid-template-columns: 1fr 1fr 1fr; gap: 1px; background: var(--line); }
  .trio article { background: var(--bg); }
  .cards, .pair { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr 1fr; }
}

.piege {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}