/* 아라봇 제품 소개(/intro) — REVEHIT 브랜드(먹색 · 흰색 · 로열 블루, Paperlogy 제목). 외부 요청 없음. */
@font-face { font-family: "Pretendard"; font-weight: 400; font-display: swap; src: url("../fonts/Pretendard-Regular.woff2") format("woff2"); }
@font-face { font-family: "Pretendard"; font-weight: 600; font-display: swap; src: url("../fonts/Pretendard-SemiBold.woff2") format("woff2"); }
@font-face { font-family: "Pretendard"; font-weight: 700; font-display: swap; src: url("../fonts/Pretendard-Bold.woff2") format("woff2"); }
@font-face { font-family: "Paperlogy"; font-weight: 400; font-display: swap; src: url("../fonts/Paperlogy-4Regular.woff2") format("woff2"); }
@font-face { font-family: "Paperlogy"; font-weight: 600; font-display: swap; src: url("../fonts/Paperlogy-6SemiBold.woff2") format("woff2"); }
@font-face { font-family: "Paperlogy"; font-weight: 700; font-display: swap; src: url("../fonts/Paperlogy-7Bold.woff2") format("woff2"); }

:root {
  --brand: #2b63dc; --brand-600: #2352c2; --brand-50: #eef4ff; --brand-100: #deeaff; --brand-200: #bcd3ff; --indigo: #3e54d3;
  --ink: #0e1117; --ink-2: #353b45; --ink-3: #646b76; --line: #e4e8ee;
  --dark: #0c0e13; --dark-2: #161a22; --dark-3: #252a35;
  --font: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --display: "Paperlogy", "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --ease: cubic-bezier(.4, 0, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: #fff; line-height: 1.6; -webkit-font-smoothing: antialiased; word-break: keep-all; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; }
.ico { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.lp-wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
:focus-visible { outline: 3px solid rgba(43, 99, 220, .45); outline-offset: 2px; }

/* 머리 */
.lp-nav { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, .82); backdrop-filter: saturate(1.6) blur(14px); -webkit-backdrop-filter: saturate(1.6) blur(14px); border-bottom: 1px solid rgba(14, 17, 23, .06); }
.lp-nav .lp-wrap { display: flex; align-items: center; gap: 32px; height: 72px; }
.lp-logo { display: flex; align-items: center; gap: 10px; font-family: var(--display); font-weight: 700; font-size: 21px; letter-spacing: -.02em; }
.lp-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: linear-gradient(135deg, #3f78f0 0%, #2b63dc 45%, #3e54d3 100%); color: #fff; font-size: 16px; box-shadow: 0 8px 18px rgba(43, 99, 220, .35); }
.lp-links { display: flex; gap: 26px; font-size: 15px; font-weight: 500; color: var(--ink-2); }
.lp-links a { position: relative; }
.lp-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: var(--ink); transform: scaleX(0); transition: transform .2s var(--ease); }
.lp-links a:hover { color: var(--ink); }
.lp-links a:hover::after { transform: scaleX(1); }
.lp-nav-cta { margin-left: auto; display: flex; gap: 8px; }
.lp-btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 600; font-size: 15px; border: 1px solid transparent; transition: background .15s var(--ease), border-color .15s var(--ease), transform .15s var(--ease), box-shadow .15s var(--ease); white-space: nowrap; cursor: pointer; }
.lp-btn:active { transform: translateY(1px); }
.lp-btn-sm { height: 40px; padding: 0 16px; font-size: 14px; }
.lp-btn-primary { background: var(--ink); color: #fff; }
.lp-btn-primary:hover { background: #000; box-shadow: 0 10px 24px rgba(14, 17, 23, .22); }
.lp-btn-line { border-color: rgba(14, 17, 23, .14); background: #fff; color: var(--ink); }
.lp-btn-line:hover { border-color: var(--ink); }
.lp-btn-lg { height: 58px; padding: 0 30px; font-size: 16px; }

/* 첫 화면 */
.lp-hero { position: relative; overflow: hidden; background: linear-gradient(to bottom, #f6faff 0%, #ffffff 100%); }
.lp-hero::before { content: ""; position: absolute; top: -260px; right: -180px; width: 760px; height: 760px; border-radius: 50%; background: radial-gradient(circle, rgba(143, 179, 255, .45) 0%, rgba(206, 224, 255, .25) 40%, transparent 70%); pointer-events: none; }
.lp-hero .lp-wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 60px; align-items: center; padding-top: 96px; padding-bottom: 110px; }
.lp-eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px 7px 8px; border-radius: 999px; background: #fff; border: 1px solid rgba(14, 17, 23, .08); color: var(--ink-2); font-size: 13px; font-weight: 600; box-shadow: 0 4px 14px rgba(14, 17, 23, .05); }
.lp-eyebrow::before { content: "NEW"; padding: 2px 8px; border-radius: 999px; background: var(--brand); color: #fff; font-size: 10.5px; letter-spacing: .08em; }
.lp-hero h1 { margin-top: 24px; font-family: var(--display); font-size: clamp(38px, 5vw, 62px); line-height: 1.2; letter-spacing: -.04em; font-weight: 700; }
.lp-hero h1 em { font-style: normal; color: var(--brand); }
.lp-hero-sub { margin-top: 22px; font-size: 18.5px; color: var(--ink-3); line-height: 1.75; }
.lp-hero-cta { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 10px; }
.lp-hero-note { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 8px 20px; font-size: 13.5px; color: var(--ink-3); }
.lp-hero-note span { display: inline-flex; align-items: center; gap: 6px; }
.lp-hero-note .ico { width: 16px; height: 16px; color: var(--brand); stroke-width: 2.2; }

/* 위젯 모형 — 아라봇 위젯(피그마 「레브히트 챗봇서비스」) 모양 */
.lp-mock-wrap { position: relative; margin-left: auto; width: 100%; max-width: 420px; }
.lp-mock { position: relative; width: 100%; border-radius: 20px; overflow: hidden; background: #fff; box-shadow: 0 40px 90px rgba(29, 63, 149, .22), 0 0 25px rgba(0, 0, 0, .08); transform: rotate(-1.2deg); }
.lp-mock img { display: block; }
.lp-mock-head { display: flex; align-items: center; justify-content: space-between; height: 70px; padding: 15px 20px; background: linear-gradient(170.26deg, #82a7f0 .71%, #2b63dc 99.29%); color: #fff; }
.lp-mock-brand { display: flex; align-items: center; gap: 8px; font-size: 24px; font-weight: 600; line-height: 1.2; white-space: nowrap; }
.lp-mock-brand i { width: 1px; height: 8px; background: rgba(255, 255, 255, .6); }
.lp-mock-close { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, .25); }
.lp-mock-close img { width: 22px; height: 22px; }
.lp-mock-body { padding: 20px 20px 16px; display: flex; flex-direction: column; gap: 16px; }
.lp-mock-badges { display: flex; flex-wrap: wrap; gap: 4px; }
.lp-mock-badges span { display: inline-flex; align-items: center; gap: 4px; padding: 4px 8px; border: 1px solid #e9e9e9; border-radius: 60px; font-size: 12px; line-height: 1.3; color: #000; }
.lp-mock-badges img { width: 16px; height: 16px; }
.lp-bubble { max-width: 90%; padding: 15px; font-size: 16px; line-height: 1.4; letter-spacing: -.01em; }
.lp-bubble.user { align-self: flex-end; background: #2b63dc; color: #fff; font-weight: 600; border-radius: 20px 20px 0 20px; }
.lp-bubble.bot { align-self: flex-start; background: #f6faff; color: #222; border-radius: 0 20px 20px 20px; }
.lp-bubble ul { margin: 6px 0 0; padding-left: 20px; }
.lp-block { margin-top: 14px; display: flex; flex-direction: column; gap: 4px; }
.lp-block-head { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; font-size: 12px; line-height: 1.3; color: #2b63dc; }
.lp-block-head img { width: 16px; height: 16px; }
.lp-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 10px; border-radius: 10px; font-size: 12px; line-height: 1.3; }
.lp-row em { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; flex: none; }
.lp-row em img { width: 24px; height: 24px; }
.lp-row.related { background: #deeaff; color: #182f5d; }
.lp-row.related span { text-decoration: underline; text-underline-offset: 2px; }
.lp-row.related small { font-size: 12px; color: #646464; }
.lp-row.related em { background: #2b63dc; }
.lp-row.suggest { background: #fff; color: #000; }
.lp-row.suggest em { background: #eee; }
.lp-mock-input { margin: 0 20px 20px; display: flex; align-items: center; justify-content: space-between; padding: 10px 10px 10px 14px; border: 1px solid #e9e9e9; border-radius: 10px; background: #fff; color: rgba(0, 0, 0, .25); font-size: 16px; }
.lp-mock-send { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(134.16deg, #82a7f0 .71%, #2b63dc 99.29%); }
.lp-mock-send img { width: 24px; height: 24px; }
.lp-mock-launcher { position: absolute; left: -26px; bottom: -22px; width: 72px; height: 72px; border-radius: 50%; overflow: hidden; background: #fff; border: 2px solid #82a7f0; box-shadow: 0 8px 22px rgba(43, 99, 220, .35); }
.lp-mock-launcher img { position: absolute; max-width: none; width: 134.77%; height: 134.77%; left: -17.93%; top: -7.4%; }

/* 공통 구역 */
.lp-section { padding: 120px 0; }
.lp-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.lp-kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .16em; color: var(--brand); }
.lp-head h2 { margin-top: 14px; font-family: var(--display); font-size: clamp(30px, 3.8vw, 44px); letter-spacing: -.035em; line-height: 1.28; font-weight: 700; }
.lp-head p { margin-top: 16px; font-size: 17px; color: var(--ink-3); }

/* 어두운 약속 구역 */
.lp-dark { position: relative; overflow: hidden; background: var(--dark); color: #fff; border-radius: 60px 60px 0 0; }
.lp-dark::before { content: ""; position: absolute; top: -200px; left: 50%; width: 900px; height: 500px; transform: translateX(-50%); background: radial-gradient(ellipse, rgba(43, 99, 220, .35) 0%, transparent 70%); pointer-events: none; }
.lp-dark .lp-wrap { position: relative; }
.lp-dark .lp-kicker { color: #8fb3ff; }
.lp-dark .lp-head p { color: rgba(255, 255, 255, .6); }
.lp-steps { max-width: 1110px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.lp-step { border: 1px solid rgba(255, 255, 255, .08); border-radius: 24px; background: rgba(255, 255, 255, .03); transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease); }
.lp-step:hover { border-color: rgba(255, 255, 255, .16); }
.lp-step.is-open { background: linear-gradient(135deg, rgba(43, 99, 220, .22) 0%, rgba(62, 84, 211, .12) 100%); border-color: rgba(143, 179, 255, .45); transform: scale(1.01); }
.lp-step-btn { width: 100%; display: flex; align-items: center; gap: 16px; padding: 28px 30px 24px; border: 0; background: none; color: inherit; text-align: left; cursor: pointer; border-radius: 24px; }
.lp-step-text { flex: 1; min-width: 0; }
.lp-step-no { font-size: 12.5px; font-weight: 700; letter-spacing: .14em; color: rgba(255, 255, 255, .45); }
.lp-step.is-open .lp-step-no { color: #8fb3ff; }
.lp-step-title { margin-top: 8px; font-family: var(--display); font-size: 21px; font-weight: 600; color: rgba(255, 255, 255, .7); }
.lp-step.is-open .lp-step-title { color: #fff; }
.lp-step-btn > .ico { color: rgba(255, 255, 255, .4); transition: transform .25s var(--ease); }
.lp-step.is-open .lp-step-btn > .ico { transform: rotate(180deg); color: #fff; }
.lp-step-body { display: none; padding: 0 30px 28px; }
.lp-step.is-open .lp-step-body { display: block; animation: lpFade .25s ease-out; }
.lp-step-body p { font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, .8); }
.lp-tag { display: inline-block; margin-top: 18px; padding: 6px 13px; border-radius: 999px; background: #fff; color: var(--ink); font-size: 12.5px; font-weight: 700; }

/* 도입 절차 */
.lp-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.lp-flow-card { position: relative; padding: 30px 26px 32px; border-radius: 28px; background: linear-gradient(to bottom, #f6faff 0%, #ffffff 70%); border: 1px solid rgba(14, 17, 23, .06); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.lp-flow-card:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(29, 63, 149, .12); }
.lp-flow-no { font-family: var(--display); font-size: 36px; font-weight: 700; color: var(--brand); line-height: 1; letter-spacing: -.02em; }
.lp-flow-card h3 { margin-top: 18px; font-family: var(--display); font-size: 20px; font-weight: 600; }
.lp-flow-card p { margin-top: 14px; font-size: 14.5px; line-height: 1.85; color: var(--ink-3); }

/* 기능 */
.lp-soft { background: linear-gradient(to bottom, #deeaff 0%, #f6faff 30%, #ffffff 100%); border-radius: 60px 60px 0 0; }
.lp-features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.lp-feature { padding: 32px 28px; border-radius: 28px; background: #fff; border: 1px solid rgba(14, 17, 23, .06); box-shadow: 0 6px 20px rgba(14, 17, 23, .04); transition: transform .25s var(--ease), box-shadow .25s var(--ease); }
.lp-feature:hover { transform: translateY(-4px); box-shadow: 0 20px 44px rgba(29, 63, 149, .12); }
.lp-feature-icon { display: grid; place-items: center; width: 54px; height: 54px; border-radius: 18px; background: var(--ink); color: #fff; }
.lp-feature:nth-child(3n+2) .lp-feature-icon { background: var(--brand); }
.lp-feature-icon .ico { width: 24px; height: 24px; }
.lp-feature h3 { margin-top: 22px; font-family: var(--display); font-size: 19px; font-weight: 600; }
.lp-feature p { margin-top: 10px; font-size: 14.5px; line-height: 1.8; color: var(--ink-3); }

/* 보안 */
.lp-trust { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.lp-trust-item { display: flex; gap: 12px; align-items: flex-start; padding: 22px; border-radius: 22px; border: 1px solid var(--line); background: #fff; }
.lp-trust-item .ico { color: var(--brand); margin-top: 2px; }
.lp-trust-item b { display: block; font-size: 15px; }
.lp-trust-item span { display: block; margin-top: 4px; font-size: 13.5px; color: var(--ink-3); line-height: 1.6; }

/* 마무리 */
.lp-cta { margin: 0 24px 90px; }
.lp-cta-box { position: relative; overflow: hidden; max-width: 1152px; margin: 0 auto; padding: 72px 40px; border-radius: 40px; text-align: center; color: #fff; background: radial-gradient(700px 360px at 85% 0%, rgba(62, 84, 211, .6) 0%, transparent 60%), radial-gradient(600px 320px at 10% 100%, rgba(43, 99, 220, .45) 0%, transparent 60%), var(--dark); }
.lp-cta-box h2 { font-family: var(--display); font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -.03em; }
.lp-cta-box p { margin-top: 14px; color: rgba(255, 255, 255, .72); font-size: 16.5px; }
.lp-cta-box .lp-hero-cta { justify-content: center; }
.lp-cta-box .lp-btn-primary { background: #fff; color: var(--ink); }
.lp-cta-box .lp-btn-primary:hover { background: #eef4ff; }
.lp-cta-box .lp-btn-line { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .35); }
.lp-cta-box .lp-btn-line:hover { border-color: #fff; }

.lp-foot { border-top: 1px solid rgba(14, 17, 23, .06); padding: 32px 0 44px; font-size: 13px; color: var(--ink-3); }
.lp-foot .lp-wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }

@keyframes lpFade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } html { scroll-behavior: auto; } }

@media (max-width: 1000px) {
  .lp-hero .lp-wrap { grid-template-columns: minmax(0, 1fr); padding-top: 60px; padding-bottom: 72px; gap: 44px; }
  .lp-mock-wrap { margin: 0 auto; }
  .lp-mock { transform: none; }
  .lp-mock-launcher { left: -8px; }
  .lp-flow, .lp-trust { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lp-links { display: none; }
  .lp-dark, .lp-soft { border-radius: 36px 36px 0 0; }
}
@media (max-width: 640px) {
  .lp-section { padding: 76px 0; }
  .lp-flow, .lp-trust, .lp-features { grid-template-columns: minmax(0, 1fr); }
  .lp-nav-cta .lp-btn-line { display: none; }
  .lp-step-btn { padding: 22px 20px 18px; }
  .lp-step-body { padding: 0 20px 22px; }
  .lp-step-title { font-size: 18px; }
  .lp-cta-box { padding: 48px 22px; border-radius: 28px; }
}