:root {
  color-scheme: light;
  --ink: #38251a;
  --muted: #735f52;
  --cream: #fff8e8;
  --paper: #fffdf7;
  --teal: #168f91;
  --coral: #ee735f;
  --yellow: #ffd66b;
  --line: #eadcc8;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, #ffe89c 0 8%, transparent 26%),
    radial-gradient(circle at 92% 18%, #bcebea 0 7%, transparent 24%),
    var(--cream);
  font: 17px/1.65 ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, sans-serif;
}

a { color: #08787a; text-underline-offset: 3px; }
a:hover { color: #045e60; }

.shell { width: min(1060px, calc(100% - 36px)); margin: 0 auto; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.brand { display: inline-flex; align-items: center; color: var(--ink); font-weight: 900; text-decoration: none; letter-spacing: -.02em; }
.brand span { display: inline-grid; place-items: center; width: 36px; height: 36px; margin-right: 8px; overflow: hidden; border-radius: 50%; background: var(--yellow); }
.brand img { width: 32px; height: 32px; object-fit: contain; }
nav { display: flex; flex-wrap: wrap; gap: 18px; }
nav a { color: var(--muted); font-size: .94rem; font-weight: 750; text-decoration: none; }

main { min-height: calc(100vh - 190px); }

.hero {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: center;
  gap: 54px;
  padding: 82px 0 94px;
}

.eyebrow { color: var(--teal); font-size: .8rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 10px 0 20px; font-size: clamp(3rem, 8vw, 6.8rem); line-height: .93; letter-spacing: -.065em; }
h2 { margin: 0 0 10px; font-size: clamp(1.55rem, 4vw, 2.35rem); line-height: 1.1; letter-spacing: -.03em; }
.lead { max-width: 650px; color: var(--muted); font-size: 1.2rem; }
.button { display: inline-block; margin-top: 16px; padding: 13px 20px; border-radius: 14px; color: white; background: var(--teal); font-weight: 850; text-decoration: none; box-shadow: 0 8px 20px #168f9135; }

.duck-hero {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 4px solid white;
  border-radius: 42% 58% 48% 52%;
  background: linear-gradient(145deg, #fff3b8, #ffd66b);
  box-shadow: 0 30px 60px #785a2b29;
  transform: rotate(4deg);
}
.hero-sticker { position: absolute; width: 31%; filter: drop-shadow(0 10px 10px #785a2b2f); }
.hero-sticker-main { position: relative; width: 64%; z-index: 1; transform: rotate(-5deg); }
.hero-sticker-top { top: 5%; right: 2%; transform: rotate(12deg); }
.hero-sticker-bottom { bottom: 4%; left: 1%; transform: rotate(-13deg); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 0 0 84px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: #ffffffc9; box-shadow: 0 12px 30px #5039160c; }
.feature-sticker { display: block; width: 74px; height: 74px; margin: -8px 0 16px -6px; object-fit: contain; transform: rotate(-5deg); }
.card:nth-child(2) .feature-sticker { transform: rotate(5deg); }
.card:nth-child(3) .feature-sticker { transform: rotate(-8deg); }
.card p { margin-bottom: 0; color: var(--muted); }

.document { max-width: 820px; padding: 56px 0 90px; }
.document h1 { font-size: clamp(2.6rem, 7vw, 4.8rem); }
.document h2 { margin-top: 42px; }
.document li { margin-bottom: 10px; }
.notice { margin: 28px 0; padding: 20px 22px; border-left: 5px solid var(--coral); border-radius: 4px 16px 16px 4px; background: #fff; }

footer { padding: 28px 0 38px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px 28px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 760px) {
  header { align-items: flex-start; flex-direction: column; }
  .hero { grid-template-columns: 1fr; padding: 44px 0 64px; }
  .duck-hero { width: min(74vw, 360px); justify-self: center; }
  .grid { grid-template-columns: 1fr; }
}