:root {
  --bg: #f6f5f1;
  --bg-alt: #eeede7;
  --surface: #ffffff;
  --ink: #15171b;
  --ink-soft: #565b64;
  --line: #dcdad2;
  --accent: #2b50e0;
  --accent-soft: #e6ebff;
  --accent-ink: #ffffff;

  /* 로고의 두 색: 차가운 머리(파랑), 뜨거운 열정(빨강) */
  --cool: #2b50e0;
  --hot: #e23b30;
  --cool-light: #6f8cff;
  --hot-light: #ff6257;

  /* 어두운 구역 */
  --dark: #0f1115;
  --dark-surface: #181b22;
  --dark-line: #2a2e38;
  --dark-ink: #f2f3f5;
  --dark-soft: #9aa1ad;
  --accent-light: #8ea2ff;

  --error: #c0392b;
  --ok: #1e7a4c;
  --radius: 14px;
  --wrap: 1120px;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.sprite { position: absolute; width: 0; height: 0; }
.icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* 상단 */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--dark) 86%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--dark-line);
  color: var(--dark-ink);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 14px; text-decoration: none; }
/* 워드마크: 글자 위에 파란 선, 아래에 빨간 선 */
.logo-mark {
  display: inline-block; padding: 5px 1px 4px;
  border-top: 3px solid var(--cool-light); border-bottom: 3px solid var(--hot-light);
  font-family: "Sora", "Pretendard Variable", sans-serif;
  font-size: 20px; font-weight: 700; line-height: 1; letter-spacing: -0.03em; white-space: nowrap;
}
.logo-tag { padding-left: 14px; border-left: 1px solid var(--dark-line); font-size: 12px; color: var(--dark-soft); white-space: nowrap; }
.logo-mark-lg { padding: 12px 2px 12px; border-width: 6px; border-top-color: var(--cool); border-bottom-color: var(--hot); font-size: 48px; }
.nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.nav a { text-decoration: none; color: var(--dark-soft); transition: color 0.15s; }
.nav a:hover { color: var(--dark-ink); }
.nav .nav-cta { color: var(--dark-ink); font-weight: 600; border: 1px solid var(--dark-soft); border-radius: 999px; padding: 4px 16px; }
.nav .nav-cta:hover { background: var(--dark-ink); color: var(--dark); border-color: var(--dark-ink); }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 50px; padding: 0 26px;
  border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-size: 15px; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}
.btn .icon { width: 18px; height: 18px; transition: transform 0.15s; }
.btn:hover .icon { transform: translateX(3px); }
.btn-accent { background: var(--accent); color: var(--accent-ink); }
.btn-accent:hover { background: #3d63f5; }
.btn-line { border-color: var(--dark-line); color: var(--dark-ink); }
.btn-line:hover { border-color: var(--dark-soft); }
.btn[disabled] { opacity: 0.5; cursor: default; }

/* 첫 화면 */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(700px 420px at 82% 18%, rgba(43, 80, 224, 0.34), transparent 70%),
    linear-gradient(var(--dark-line) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, var(--dark-line) 1px, transparent 1px) 0 0 / 56px 56px,
    var(--dark);
  color: var(--dark-ink);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, transparent 40%, var(--dark) 100%), linear-gradient(90deg, var(--dark) 0%, transparent 45%);
  opacity: 0.85;
}
.hero-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.15fr 0.85fr; align-items: center; gap: 56px;
  padding-top: 104px; padding-bottom: 96px;
}
.eyebrow { font-family: var(--mono); font-size: 13px; color: var(--accent-light); letter-spacing: 0.02em; }
.hero h1 { margin-top: 20px; font-size: clamp(42px, 6.4vw, 76px); line-height: 1.14; letter-spacing: -0.045em; font-weight: 700; }
.hl { background: linear-gradient(100deg, #8ea2ff, #c5b8ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { margin-top: 28px; max-width: 520px; font-size: 18px; color: var(--dark-soft); }
.hero-actions { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 12px; }

/* 결제 흐름 도식 */
.flow {
  background: color-mix(in srgb, var(--dark-surface) 88%, transparent);
  border: 1px solid var(--dark-line); border-radius: var(--radius);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  font-size: 14px;
}
.flow-head { display: flex; align-items: center; gap: 6px; padding: 14px 18px; border-bottom: 1px solid var(--dark-line); }
.flow-head i { width: 9px; height: 9px; border-radius: 50%; background: var(--dark-line); }
.flow-head span { margin-left: 8px; font-family: var(--mono); font-size: 12px; color: var(--dark-soft); }
.flow-list { padding: 10px; }
.flow-list li {
  position: relative; display: flex; align-items: center; gap: 14px;
  padding: 12px 12px; border-radius: 10px;
  animation: flow-step 10s infinite;
}
.flow-list li:nth-child(2) { animation-delay: 2s; }
.flow-list li:nth-child(3) { animation-delay: 4s; }
.flow-list li:nth-child(4) { animation-delay: 6s; }
.flow-list li:nth-child(5) { animation-delay: 8s; }
.flow-list em {
  display: grid; place-items: center; flex: none; width: 34px; height: 34px;
  border: 1px solid var(--dark-line); border-radius: 50%;
  font-family: var(--mono); font-size: 11px; font-style: normal; color: var(--accent-light);
}
.flow-list li + li em::before {
  content: ""; position: absolute; left: 28px; top: -12px; width: 1px; height: 24px; background: var(--dark-line);
}
.flow-list b { display: block; font-weight: 600; }
.flow-list span { color: var(--dark-soft); font-size: 13px; }
.flow-foot {
  display: flex; align-items: center; gap: 12px; padding: 14px 18px;
  border-top: 1px solid var(--dark-line);
  font-family: var(--mono); font-size: 12px; color: var(--dark-soft);
}
.flow-foot b { flex: 1; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--cool-light), var(--hot-light)); }
.flow-foot span:first-child { color: var(--cool-light); }
.flow-foot span:last-child { color: var(--hot-light); }
@keyframes flow-step {
  0%, 22%, 100% { background: transparent; }
  4%, 16% { background: rgba(142, 162, 255, 0.13); }
}

/* 흘러가는 키워드 띠 */
.strip { position: relative; z-index: 1; overflow: hidden; border-top: 1px solid var(--dark-line); padding: 18px 0; }
.strip-track { display: flex; width: max-content; animation: strip 40s linear infinite; }
.strip-track span { padding: 0 28px; font-size: 14px; font-weight: 500; color: var(--dark-soft); white-space: nowrap; }
.strip-track span::before { content: "/"; margin-right: 56px; color: var(--dark-line); }
@keyframes strip { to { transform: translateX(-50%); } }

/* 구역 공통 */
.section { padding: 112px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--dark); color: var(--dark-ink); }
.section-head { max-width: 620px; margin-bottom: 56px; }
.section-no { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.section-dark .section-no { color: var(--accent-light); }
.section-head h2 { margin-top: 10px; font-size: clamp(30px, 4.2vw, 44px); letter-spacing: -0.035em; line-height: 1.22; }
.section-head h2 + p { margin-top: 16px; font-size: 17px; color: var(--ink-soft); }
.section-dark .section-head h2 + p { color: var(--dark-soft); }

/* 비교 */
.compare { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.compare li { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.compare-tag { display: inline-block; padding: 3px 12px; border-radius: 999px; background: var(--bg-alt); font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.compare h3 { margin-top: 20px; font-size: 21px; line-height: 1.4; letter-spacing: -0.03em; }
.compare li > p:last-child { margin-top: 14px; font-size: 15px; color: var(--ink-soft); }
.compare .compare-us { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: 0 24px 50px -24px rgba(43, 80, 224, 0.7); }
.compare-us .compare-tag { background: rgba(255, 255, 255, 0.18); color: #fff; }
.compare .compare-us > p:last-child { color: rgba(255, 255, 255, 0.82); }

/* 서비스 카드 */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 20px 40px -24px rgba(21, 23, 27, 0.35); }
.card-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.card-icon .icon { width: 24px; height: 24px; }
.card h3 { margin-top: 22px; font-size: 20px; letter-spacing: -0.02em; }
.card p { margin-top: 10px; color: var(--ink-soft); font-size: 15px; }
.section-dark .card { background: var(--dark-surface); border-color: var(--dark-line); }
.section-dark .card:hover { border-color: var(--accent-light); box-shadow: none; }
.section-dark .card-icon { background: rgba(142, 162, 255, 0.14); color: var(--accent-light); }
.section-dark .card p { color: var(--dark-soft); }

/* 진행 단계 */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); counter-reset: step; }
.steps li { position: relative; counter-increment: step; padding-right: 20px; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: relative; z-index: 1;
  display: grid; place-items: center; width: 48px; height: 48px;
  border: 1px solid var(--ink); border-radius: 50%; background: var(--bg);
  font-family: var(--mono); font-size: 13px;
}
.steps li::after { content: ""; position: absolute; left: 48px; right: 0; top: 24px; height: 1px; background: var(--line); }
.steps li:last-child::after { display: none; }
.steps li:last-child::before { background: var(--ink); color: var(--bg); }
.steps span { display: block; margin-top: 20px; font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.steps p { margin-top: 8px; font-size: 14px; color: var(--ink-soft); }

/* 회사 소개 */
.about { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
.about .section-head { margin-bottom: 32px; }
.logo-card { display: grid; justify-items: start; gap: 20px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.logo-card p { font-size: 14px; color: var(--ink-soft); }
.creed { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.creed li { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); border-top: 4px solid; }
.creed-cool { border-top-color: var(--cool) !important; }
.creed-hot { border-top-color: var(--hot) !important; }
.creed h3 { font-size: 18px; letter-spacing: -0.02em; }
.creed-cool h3 { color: var(--cool); }
.creed-hot h3 { color: var(--hot); }
.creed p { margin-top: 8px; font-size: 15px; color: var(--ink-soft); }
.about-quote { font-size: clamp(22px, 2.8vw, 30px); font-weight: 700; line-height: 1.45; letter-spacing: -0.03em; }
.about-quote + p { margin-top: 20px; font-size: 17px; color: var(--ink-soft); }
.facts { margin-top: 32px; border-top: 1px solid var(--line); }
.facts div { display: flex; gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.facts dt { width: 96px; flex: none; color: var(--ink-soft); }

/* 문의 */
.contact { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; align-items: start; }
.contact .section-head { margin-bottom: 32px; }
.contact-info { display: grid; gap: 12px; font-size: 15px; color: var(--dark-soft); }
.contact-info li { display: flex; align-items: center; gap: 12px; }
.contact-info .icon { color: var(--accent-light); }
.contact-info a { color: var(--dark-ink); }
.form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px 16px;
  padding: 36px; border-radius: var(--radius);
  background: var(--surface); color: var(--ink);
}
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field-full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; }
.field em { color: var(--accent); font-style: normal; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field select, .field textarea {
  width: 100%; padding: 12px 14px;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px;
  font: inherit; font-size: 16px;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; background: var(--surface); }
.consent label { display: flex; align-items: flex-start; gap: 8px; font-weight: 500; cursor: pointer; }
.consent input { margin-top: 6px; accent-color: var(--accent); }
.notice { font-size: 13px; color: var(--ink-soft); }
.form-actions { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 16px; }
.form-status { font-size: 14px; }
.form-status.is-error { color: var(--error); }
.form-status.is-ok { color: var(--ok); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* 하단 */
.site-footer { background: var(--dark); border-top: 1px solid var(--dark-line); padding: 48px 0; font-size: 13px; color: var(--dark-soft); }
.footer-inner { display: grid; gap: 12px; }
.site-footer .logo { color: var(--dark-ink); }
.footer-slogan { color: var(--dark-ink); font-size: 14px; font-weight: 600; }
.footer-info b { font-weight: 500; }
.copyright { font-family: var(--mono); font-size: 12px; }

/* 스크롤하면 나타나는 효과 (스크립트가 꺼져 있으면 그냥 보입니다) */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .reveal.is-in { opacity: 1; transform: none; }
.cards .reveal:nth-child(2), .compare .reveal:nth-child(2) { transition-delay: 0.08s; }
.cards .reveal:nth-child(3), .compare .reveal:nth-child(3) { transition-delay: 0.16s; }
.cards .reveal:nth-child(4) { transition-delay: 0.24s; }

/* 개인정보처리방침 등 문서 페이지 */
.doc { padding: 72px 0 96px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: 34px; letter-spacing: -0.03em; }
.doc h2 { margin-top: 40px; font-size: 19px; }
.doc p, .doc ul, .doc table { margin-top: 12px; }
.doc ul { padding-left: 20px; list-style: disc; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; }
.doc th, .doc td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-alt); font-weight: 600; }
.doc .meta { color: var(--ink-soft); font-size: 14px; }
.table-scroll { overflow-x: auto; }

@media (max-width: 900px) {
  .nav a:not(.nav-cta) { display: none; }
  .logo-tag { display: none; }
  .creed { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; padding-top: 72px; padding-bottom: 64px; }
  .section { padding: 72px 0; }
  .section-head { margin-bottom: 40px; }
  .compare, .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .steps li { padding: 0 0 0 68px; min-height: 48px; }
  .steps li::before { position: absolute; left: 0; top: 0; }
  .steps li::after { left: 24px; right: auto; top: 48px; bottom: -28px; width: 1px; height: auto; }
  .steps span { margin-top: 0; }
  .about, .contact { grid-template-columns: 1fr; gap: 32px; }
  .form { grid-template-columns: 1fr; padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .flow-list li, .strip-track { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}