/* Marketing Contents Creator — 랜딩 페이지 */
:root {
  --navy: #10233F; --navy-2: #1B3358;
  --teal: #14B8A6; --teal-dk: #0D9488; --mint: #5EEAD4;
  --ink: #17222E; --ink-2: #48586A; --ink-3: #8494A6;
  --bg: #FFFFFF; --bg-alt: #F4F7FA; --line: #E2E9F0;
  --r: 16px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: 'Pretendard Variable', Pretendard, -apple-system, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

/* -------- 상단 내비 -------- */
.lp-nav { position: sticky; top: 0; z-index: 30; display: flex; align-items: center;
  justify-content: space-between; gap: 20px; padding: 14px 28px;
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.lp-brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 15.5px; }
.lp-nav-links { display: flex; align-items: center; gap: 22px; font-size: 14.5px; font-weight: 600; color: var(--ink-2); }
.lp-nav-links a { text-decoration: none; }
.lp-nav-links a:hover { color: var(--teal-dk); }

/* -------- 버튼 -------- */
.lp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: 11px; font-weight: 700; padding: 10px 20px; text-decoration: none; transition: .15s; }
.lp-btn-primary { background: var(--teal); color: #fff; }
.lp-btn-primary:hover { background: var(--teal-dk); }
.lp-btn-ghost { border: 1.5px solid var(--line); color: var(--ink-2); background: #fff; }
.lp-btn-ghost:hover { border-color: var(--teal); color: var(--teal-dk); }
.lp-btn-lg { padding: 15px 30px; font-size: 17px; border-radius: 13px; }

/* -------- 히어로 (배경 동영상) -------- */
.lp-hero { position: relative; isolation: isolate; overflow: hidden;
  min-height: 620px; display: grid; place-items: center;
  padding: 96px 28px 88px; background: var(--navy); }
.lp-hero-video { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: -2; pointer-events: none; }
.lp-hero-veil { position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(100deg, rgba(16,35,63,.94) 0%, rgba(16,35,63,.80) 46%,
                                       rgba(16,35,63,.55) 100%); }
.lp-hero-inner { max-width: 1160px; width: 100%; margin: 0 auto; }
.lp-eyebrow { color: var(--mint); font-weight: 700; font-size: 14px; letter-spacing: .2px; margin-bottom: 14px; }
.lp-hero h1 { font-size: 58px; line-height: 1.2; color: #fff; letter-spacing: -1.2px;
  text-shadow: 0 2px 24px rgba(0,0,0,.35); }
.lp-sub { margin-top: 22px; font-size: 18px; color: #C7D6E8; }
.lp-cta { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }
.lp-hero .lp-btn-ghost { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.3); color: #fff; }
.lp-hero .lp-btn-ghost:hover { background: rgba(255,255,255,.16); border-color: var(--mint); color: #fff; }
.lp-note { margin-top: 18px; font-size: 13.5px; color: #93A9C4; }
button.lp-btn { border: 0; font: inherit; cursor: pointer; }
button.lp-btn-ghost { border: 1.5px solid var(--line); }

/* -------- 숫자 띠 -------- */
.lp-stats { max-width: 1160px; margin: -46px auto 20px; position: relative; z-index: 2; padding: 0 28px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.lp-stats div { background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 20px; text-align: center; box-shadow: 0 8px 24px rgba(16,35,63,.07); }
.lp-stats b { display: block; font-size: 24px; color: var(--navy); letter-spacing: -.5px; }
.lp-stats span { font-size: 13px; color: var(--ink-3); }

/* -------- 섹션 -------- */
.lp-section { max-width: 1160px; margin: 0 auto; padding: 76px 28px; }
.lp-section-alt { max-width: none; background: var(--bg-alt); }
.lp-section-alt > * { max-width: 1160px; margin-left: auto; margin-right: auto; }
.lp-section h2 { font-size: 34px; color: var(--navy); letter-spacing: -.6px; text-align: center; }
.lp-section-sub { text-align: center; color: var(--ink-2); margin: 12px 0 40px; font-size: 16px; }

.lp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.lp-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px 24px; }
.lp-section-alt .lp-card { background: #fff; }
.lp-ico { font-size: 26px; margin-bottom: 12px; }
.lp-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 9px; }
.lp-card p { font-size: 14.5px; color: var(--ink-2); }
.lp-card b { color: var(--ink); }

/* -------- 사용 방법 -------- */
.lp-steps { list-style: none; counter-reset: s; display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.lp-steps li { counter-increment: s; background: #fff; border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 24px 22px 66px; position: relative; }
.lp-steps li::before { content: counter(s); position: absolute; left: 22px; top: 22px;
  width: 30px; height: 30px; border-radius: 50%; background: var(--teal); color: #fff;
  font-weight: 800; font-size: 14px; display: grid; place-items: center; }
.lp-steps b { display: block; color: var(--navy); font-size: 16px; margin-bottom: 5px; }
.lp-steps span { font-size: 14px; color: var(--ink-2); }

/* -------- 분야 칩 -------- */
.lp-chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.lp-chip { border: 1.5px solid var(--line); border-radius: 99px; padding: 9px 20px;
  font-size: 14.5px; font-weight: 600; color: var(--ink-2); background: #fff; }
.lp-chip-main { border-color: var(--teal); background: var(--teal); color: #fff; }

/* -------- FAQ -------- */
.lp-faq { max-width: 820px; }
.lp-faq details { background: #fff; border: 1px solid var(--line); border-radius: 13px;
  padding: 18px 22px; margin-bottom: 10px; }
.lp-faq summary { font-weight: 700; font-size: 16px; color: var(--navy); cursor: pointer; list-style: none; }
.lp-faq summary::-webkit-details-marker { display: none; }
.lp-faq summary::after { content: '＋'; float: right; color: var(--teal-dk); font-weight: 800; }
.lp-faq details[open] summary::after { content: '−'; }
.lp-faq p { margin-top: 12px; font-size: 14.5px; color: var(--ink-2); }

/* -------- 마무리 CTA -------- */
.lp-final { background: linear-gradient(140deg, var(--navy), var(--navy-2));
  color: #fff; text-align: center; padding: 86px 28px; }
.lp-final h2 { font-size: 32px; letter-spacing: -.6px; }
.lp-final p { color: #9FB3CC; margin: 12px 0 30px; }

/* -------- 푸터 -------- */
.lp-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px;
  flex-wrap: wrap; padding: 30px 28px; border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-3); max-width: 1160px; margin: 0 auto; }
.lp-foot b { display: block; color: var(--ink); }
.lp-foot-right { display: flex; gap: 18px; align-items: center; }
.lp-foot a { text-decoration: none; }
.lp-foot a:hover { color: var(--teal-dk); }

/* -------- 반응형 -------- */
@media (prefers-reduced-motion: reduce) { .lp-hero-video { display: none; } }
@media (max-width: 900px) {
  .lp-hero { min-height: 0; padding: 62px 22px 70px; }
  .lp-hero h1 { font-size: 38px; }
  .lp-hero-video { display: none; }   /* 모바일은 포스터 배경만 */
  .lp-hero { background: var(--navy) url('/hero-poster.jpg') center/cover; }
  .lp-stats { grid-template-columns: 1fr 1fr; }
  .lp-nav-links a:not(.lp-btn) { display: none; }
  .lp-section { padding: 54px 22px; }
  .lp-section h2 { font-size: 27px; }
  .lp-brand b { font-size: 14px; }
}