/* Fan Frog — site styles */
:root {
  --green: #4fa33a;
  --green-dark: #2f7a28;
  --green-deep: #1f5a1b;
  --green-light: #a8d96c;
  --green-pale: #eef8e4;
  --brown: #a06f47;
  --brown-dark: #7a5536;
  --cream: #fffdf6;
  --sky: #e9f6ff;
  --ink: #1f2a1c;
  --muted: #5b6a57;
  --white: #ffffff;
  --radius: 22px;
  --shadow: 0 10px 30px rgba(31, 90, 27, 0.12);
  --font-head: 'Fredoka', 'Nunito', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green-dark); }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.1; margin: 0 0 .4em; color: var(--green-deep); }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 600; }
h3 { font-size: 1.35rem; font-weight: 600; }
p { margin: 0 0 1em; }

.container { width: min(1100px, 100% - 32px); margin: 0 auto; }
.container.narrow { width: min(640px, 100% - 32px); text-align: center; }
.section { padding: clamp(56px, 8vw, 110px) 0; }
.section-alt { background: var(--green-pale); }
.section-green { background: linear-gradient(160deg, var(--green) 0%, var(--green-dark) 100%); color: var(--white); }
.section-green h2 { color: var(--white); }
.eyebrow {
  font-family: var(--font-head);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .85rem;
  font-weight: 600;
  color: var(--brown);
  margin-bottom: .5em;
}

/* Buttons */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  text-decoration: none;
  border: 3px solid var(--green);
  box-shadow: 0 6px 0 var(--green-dark);
  transition: transform .12s ease, box-shadow .12s ease, background .2s;
  cursor: pointer;
}
.btn:hover { transform: translateY(2px); box-shadow: 0 4px 0 var(--green-dark); }
.btn:active { transform: translateY(6px); box-shadow: 0 0 0 var(--green-dark); }
.btn-ghost { background: transparent; color: var(--green-dark); box-shadow: 0 6px 0 var(--green-light); }
.btn-ghost:hover { box-shadow: 0 4px 0 var(--green-light); }
.btn-small { padding: 9px 18px; font-size: .95rem; box-shadow: 0 4px 0 var(--green-dark); }
.btn-dark { background: var(--brown); border-color: var(--brown); box-shadow: 0 6px 0 var(--brown-dark); }
.btn-dark:hover { box-shadow: 0 4px 0 var(--brown-dark); }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 8px 16px;
  background: rgba(255, 253, 246, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(47, 122, 40, .12);
}
.brand img { width: 110px; height: auto; border-radius: 10px; }
.nav { display: flex; align-items: center; gap: 22px; }
.nav a { font-family: var(--font-head); font-weight: 500; text-decoration: none; color: var(--green-deep); }
.nav a:not(.btn):hover { color: var(--green); }
.nav-toggle {
  display: none;
  font-size: 1.6rem; background: none; border: 0; color: var(--green-deep); cursor: pointer; padding: 4px 8px;
}
.mobile-nav { display: none; flex-direction: column; background: var(--cream); border-bottom: 1px solid rgba(47,122,40,.15); }
.mobile-nav a { padding: 14px 20px; font-family: var(--font-head); font-weight: 500; text-decoration: none; color: var(--green-deep); border-top: 1px solid rgba(47,122,40,.08); }
.mobile-nav.open { display: flex; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 500px at 50% -10%, var(--sky) 0%, transparent 70%),
    var(--cream);
  padding: clamp(32px, 6vw, 80px) 16px clamp(48px, 7vw, 90px);
  text-align: center;
}
.hero-inner { width: min(760px, 100%); margin: 0 auto; position: relative; z-index: 2; }
.hero-logo { width: min(520px, 90%); margin: 0 auto 18px; }
.hero h1 { color: var(--green-dark); }
.lead { font-size: clamp(1.15rem, 2.4vw, 1.5rem); font-weight: 600; color: var(--ink); }
.sub { color: var(--muted); font-size: 1.05rem; }
.cta-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 22px; }

.hero-frog { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.frog-fly {
  position: absolute;
  width: 70px; left: -90px; top: 18%;
  animation: fly 9s ease-in-out infinite;
  opacity: .9;
}
@keyframes fly {
  0%   { transform: translate(0, 0) rotate(0deg); }
  25%  { transform: translate(28vw, -60px) rotate(-18deg); }
  50%  { transform: translate(55vw, 10px) rotate(12deg); }
  75%  { transform: translate(82vw, -40px) rotate(-10deg); }
  100% { transform: translate(110vw, 20px) rotate(6deg); }
}

/* Tagline strip */
.strip { background: var(--green-deep); color: var(--green-light); overflow: hidden; padding: 12px 0; }
.strip-track { display: flex; gap: 48px; width: max-content; animation: marquee 28s linear infinite; font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; white-space: nowrap; }
.strip-track span::after { content: "•"; margin-left: 48px; color: var(--green); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* How to play */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.step {
  position: relative;
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 26px 26px;
  box-shadow: var(--shadow);
  text-align: center;
}
.step-icon { width: 96px; height: 96px; margin: 0 auto 14px; background: var(--green-pale); border-radius: 50%; display: grid; place-items: center; }
.step-icon svg { width: 72px; height: 72px; }
.fan-spin { animation: spin 3s linear infinite; transform-origin: 50% 50%; }
@keyframes spin { to { transform: rotate(360deg); } }
.step-num {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--brown); color: var(--white);
  font-family: var(--font-head); font-weight: 700;
  width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
  box-shadow: 0 3px 0 var(--brown-dark);
}
.step h3 { color: var(--green-dark); }
.step p { color: var(--muted); margin: 0; }
.note { text-align: center; margin-top: 32px; font-family: var(--font-head); font-size: 1.2rem; font-weight: 500; color: var(--green-dark); }

/* Story */
.story { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.poem p { font-size: 1.08rem; line-height: 1.7; color: var(--ink); }
.poem-sign { font-family: var(--font-head); font-size: 1.3rem !important; color: var(--green-dark); margin-top: 1.4em; }
.lilypad {
  background: var(--white);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  padding: 36px;
  box-shadow: var(--shadow);
  transform: rotate(-3deg);
}

/* Why */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 32px; }
.card { background: var(--white); border-left: 6px solid var(--green); border-radius: 14px; padding: 22px 24px; box-shadow: var(--shadow); }
.card h3 { color: var(--green-dark); }
.card p { margin: 0; color: var(--muted); }

/* Signup */
.lead-light { font-size: 1.15rem; opacity: .95; }
.signup { display: grid; gap: 12px; margin: 24px auto 16px; max-width: 480px; }
.signup input {
  width: 100%;
  font: inherit; font-size: 1.05rem;
  padding: 14px 18px;
  border-radius: 999px;
  border: 2px solid rgba(255,255,255,.6);
  background: rgba(255,255,255,.96);
  color: var(--ink);
}
.signup input:focus { outline: 3px solid var(--green-light); border-color: var(--white); }
.signup .btn { width: 100%; }
.fine { font-size: .95rem; opacity: .9; }
.fine a { color: var(--white); }
.hidden { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Footer */
.footer { text-align: center; padding: 40px 16px 48px; color: var(--muted); }
.footer img { margin: 0 auto 12px; border-radius: 8px; }
.footer p { margin: 0 0 .4em; }
.copy { font-size: .9rem; }

/* Thanks page */
.thanks { min-height: 100vh; display: grid; place-content: center; text-align: center; padding: 32px 16px; gap: 8px; }
.thanks img { margin: 0 auto 8px; width: min(420px, 90vw); }
.thanks .btn { justify-self: center; }

/* Responsive */
@media (max-width: 900px) {
  .steps { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .story { grid-template-columns: 1fr; }
  .story-art { order: -1; max-width: 420px; margin: 0 auto; }
}
@media (max-width: 760px) {
  .nav { display: none; }
  .nav-toggle { display: block; }
  .cards { grid-template-columns: 1fr; }
  .frog-fly { width: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  .frog-fly, .strip-track, .fan-spin { animation: none; }
  .frog-fly { display: none; }
}