:root {
  --ink: #1a2418;
  --leaf: #2f6b3a;
  --mango: #f0a202;
  --mango-deep: #d97706;
  --mist: #e8f2e4;
  --cream: #fff8ef;
  --line: rgba(26, 36, 24, 0.12);
  --font: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 12% -10%, rgba(240, 162, 2, 0.35), transparent 60%),
    radial-gradient(800px 480px at 92% 8%, rgba(47, 107, 58, 0.22), transparent 55%),
    linear-gradient(165deg, #fff8ef 0%, #f3ebe0 48%, #e7f0e3 100%);
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 6vw, 5rem);
  max-width: 920px;
  margin: 0 auto;
  animation: rise 0.9s ease both;
}

.brand {
  margin: 0 0 1.1rem;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--leaf);
  background: linear-gradient(120deg, var(--leaf), #1f4d2a 45%, var(--mango-deep));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: fade 1.1s ease both;
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  max-width: 14ch;
}

.lead {
  margin: 1.15rem 0 0;
  max-width: 36rem;
  font-size: clamp(1rem, 2.1vw, 1.15rem);
  color: rgba(26, 36, 24, 0.78);
  animation: fade 1.2s ease 0.12s both;
}

.cta {
  margin-top: 2rem;
  animation: fade 1.2s ease 0.2s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.35rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--mango), var(--mango-deep));
  box-shadow: 0 10px 28px rgba(217, 119, 6, 0.28);
}

.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(217, 119, 6, 0.36);
}

.note {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 clamp(2rem, 6vw, 5rem) 4rem;
}

.note h2 {
  margin: 0 0 0.55rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.note p {
  margin: 0;
  color: rgba(26, 36, 24, 0.72);
  max-width: 40rem;
}

footer {
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem clamp(2rem, 6vw, 5rem) 2.5rem;
  border-top: 1px solid var(--line);
  color: rgba(26, 36, 24, 0.55);
  font-size: 0.92rem;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

@keyframes fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  .hero { min-height: 88vh; }
  .hero h1 { max-width: none; }
}