:root {
  --bg-gradient: linear-gradient(160deg, #0f1a14 0%, #142a1e 45%, #12301d 100%);
  --accent: #6ee796;
  --text-primary: #ffffff;
  --text-secondary: #c9d2e8;
  --text-tertiary: #8b97b5;
  --font-main: "Malgun Gothic", "맑은 고딕", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-main);
  background-color: #142a1e;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    var(--bg-gradient);
  background-size: 60px 60px, 60px 60px, 100% 100%;
  background-repeat: repeat, repeat, no-repeat;
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

.section {
  max-width: 720px;
  margin: 0 auto;
  padding: 96px 24px;
}

.badge {
  display: inline-block;
  border: 2px solid rgba(110,231,150,.55);
  color: var(--accent);
  letter-spacing: .28em;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 999px;
  margin-bottom: 32px;
}

h1 { font-size: 40px; font-weight: 800; letter-spacing: -.02em; line-height: 1.35; }
h2 { font-size: 28px; font-weight: 800; letter-spacing: -.02em; margin-bottom: 24px; }
p { color: var(--text-secondary); font-size: 17px; margin-bottom: 16px; }

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  margin: 8px 8px 0 0;
  font-size: 15px;
}

.btn-primary { background: var(--accent); color: #0f1a14; }
.btn-secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); }

.rule { width: 120px; height: 2px; background: rgba(110,231,150,.6); margin: 40px auto; }

.product-card {
  padding: 48px 0;
  border-bottom: 1px solid rgba(110,231,150,.16);
}
.product-card:last-child { border-bottom: none; padding-bottom: 0; }
.product-card:first-child { padding-top: 0; }

@media (max-width: 600px) {
  h1 { font-size: 30px; }
  .section { padding: 64px 20px; }
}