:root {
  --bg: #ffffff;
  --bg-alt: #f4f7f6;
  --surface: #ffffff;
  --text: #17201e;
  --muted: #55625f;
  --line: #dde5e3;
  --brand: #0f766e;
  --brand-ink: #ffffff;
  --brand-soft: #e3f4f1;
  --soon: #3b5bdb;
  --soon-soft: #e7ecfd;
  --danger: #b42318;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 22, .06), 0 6px 20px rgba(16, 24, 22, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1514;
    --bg-alt: #151d1b;
    --surface: #18211f;
    --text: #e8eeec;
    --muted: #a3b1ad;
    --line: #2a3633;
    --brand: #5ee0c1;
    --brand-ink: #062a25;
    --brand-soft: #173a34;
    --soon: #9bb0ff;
    --soon-soft: #222b4a;
    --danger: #ff8a7a;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
a { color: var(--brand); }
img, svg { display: block; }
h1, h2, h3 { line-height: 1.3; margin: 0; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; border-radius: 6px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.wrap.narrow { max-width: 640px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 10; background: var(--surface); padding: 8px 12px; }

.top { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
.top-row { display: flex; align-items: center; justify-content: space-between; min-height: 60px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; }
nav { display: flex; align-items: center; gap: 4px; }
nav a { color: var(--text); text-decoration: none; padding: 8px 10px; border-radius: 8px; font-size: 15px; }
nav a:hover { background: var(--bg-alt); }
nav .nav-cta { background: var(--brand); color: var(--brand-ink); font-weight: 700; }
nav .nav-cta:hover { background: var(--brand); filter: brightness(1.08); }
@media (max-width: 420px) { nav a:not(.nav-cta) { display: none; } }

.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--brand-soft), var(--bg)); }
.eyebrow { color: var(--brand); font-weight: 700; margin: 0 0 12px; }
.hero h1 { font-size: clamp(28px, 5vw, 44px); letter-spacing: -0.02em; }
.lead { color: var(--muted); font-size: 18px; max-width: 640px; margin: 18px 0 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 20px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
}
.btn:hover { border-color: var(--brand); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { min-height: 44px; padding: 0 16px; font-size: 15px; }

.section { padding: 64px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { font-size: clamp(24px, 3.5vw, 32px); letter-spacing: -0.01em; }
.section-lead { color: var(--muted); margin: 12px 0 32px; max-width: 720px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
@media (max-width: 360px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 24px; display: flex; flex-direction: column; gap: 14px;
}
.card p { margin: 0; }
.card-head { display: flex; gap: 14px; align-items: center; }
.card-head img, .app-mark svg { border-radius: 12px; flex: none; }
.card h3 { font-size: 20px; margin-bottom: 4px; }
.badge { display: inline-block; font-size: 13px; font-weight: 700; padding: 2px 10px; border-radius: 999px; }
.badge.live { background: var(--brand-soft); color: var(--brand); }
.badge.soon { background: var(--soon-soft); color: var(--soon); }
.points { margin: 0; padding-left: 20px; color: var(--muted); }
.points li + li { margin-top: 4px; }
.price { font-weight: 800; font-size: 17px; border-top: 1px solid var(--line); padding-top: 14px; }
.price span { display: block; font-weight: 500; font-size: 14px; color: var(--muted); }
.card-actions { margin-top: auto; }

.examples { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.example { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.example h3 { font-size: 17px; margin-bottom: 6px; }
.example p { margin: 0; color: var(--muted); font-size: 15px; }

.steps { list-style: none; counter-reset: step; padding: 0; margin: 36px 0 0; display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.steps li { counter-increment: step; display: flex; flex-direction: column; gap: 2px; padding: 16px;
  border-left: 3px solid var(--brand); background: var(--surface); border-radius: 0 10px 10px 0; }
.steps li::before { content: counter(step); font-weight: 800; color: var(--brand); font-size: 14px; }
.steps span { color: var(--muted); font-size: 14px; }
.note { margin: 20px 0 0; color: var(--muted); font-size: 15px; }

.form { display: flex; flex-direction: column; gap: 8px; }
.form label { font-weight: 700; margin-top: 10px; }
.form .opt { font-weight: 400; color: var(--muted); }
.form input, .form select, .form textarea {
  font: inherit; font-size: 16px; color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px; padding: 12px; min-height: 48px; width: 100%;
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--brand); }
.form .btn { margin-top: 16px; }
.error { color: var(--danger); margin: 0; font-size: 15px; }
.alt-contact { color: var(--muted); font-size: 14px; margin: 8px 0 0; }

.foot { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 14px; }
.foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.foot p { margin: 0; }
.foot a { color: var(--muted); }