:root{
  --rose:#e86a8e;
  --rose-d:#d24f78;
  --rose-l:#f7a8c2;
  --ink:#2b2330;
  --ink-soft:#6c5d68;
  --muted:#9a8b94;
  --bg:#fff5f7;
  --bg-2:#ffeaf0;
  --card:#ffffff;
  --line:#f3e1e9;
  --shadow:0 10px 30px rgba(232,106,142,.12);
  --shadow-sm:0 2px 10px rgba(232,106,142,.08);
  --radius:18px;
  --maxw:1080px;
  color-scheme:light;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, var(--bg-2), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #fde9f1, transparent 55%),
    var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{line-height:1.25;letter-spacing:-.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.86em;background:#fde7ee;color:var(--rose-d);
  padding:.08em .42em;border-radius:6px;white-space:nowrap;
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:14px clamp(16px,5vw,40px);
  background:rgba(255,245,247,.72);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px}
.brand-mark{font-size:20px}
.brand-name{letter-spacing:-.03em}
.nav-links{display:flex;align-items:center;gap:clamp(10px,2.4vw,26px);font-weight:600;font-size:15px}
.nav-links a{color:var(--ink-soft);transition:color .18s}
.nav-links a:hover{color:var(--rose-d)}
.nav-links .nav-cta{
  color:#fff;background:linear-gradient(135deg,var(--rose),var(--rose-d));
  padding:9px 16px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.nav-links .nav-cta:hover{color:#fff;filter:brightness(1.05)}
@media(max-width:640px){.nav-links a:not(.nav-cta){display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:700;font-size:16px;border-radius:999px;
  padding:13px 24px;transition:transform .15s, box-shadow .15s, filter .15s;
  cursor:pointer;border:0;white-space:nowrap;
}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--rose),var(--rose-d));box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-ghost{color:var(--rose-d);background:#fff;box-shadow:var(--shadow-sm);border:1px solid var(--line)}
.btn-ghost:hover{transform:translateY(-2px)}
.btn-lg{font-size:18px;padding:16px 30px}

/* ---------- hero ---------- */
.hero{
  max-width:var(--maxw);margin:0 auto;
  padding:clamp(40px,8vw,86px) clamp(16px,5vw,40px) clamp(30px,6vw,60px);
  display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,56px);align-items:center;
}
.eyebrow{
  display:inline-block;font-weight:700;font-size:14px;color:var(--rose-d);
  background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-sm);
}
.hero h1{font-size:clamp(34px,6vw,56px);margin:18px 0 0;font-weight:850}
.grad{background:linear-gradient(120deg,var(--rose),var(--rose-d) 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{margin-top:20px;font-size:clamp(16px,2vw,19px);color:var(--ink-soft);max-width:36ch}
.lead strong{color:var(--ink)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-note{margin-top:16px;color:var(--muted);font-size:13.5px}

.hero-card{
  background:linear-gradient(160deg,#fff,#fff6f9);
  border:1px solid var(--line);border-radius:26px;
  padding:20px;box-shadow:var(--shadow);
}
.chat{display:flex;flex-direction:column;gap:11px}
.bubble{max-width:80%;padding:11px 15px;border-radius:16px;font-size:14.5px;line-height:1.5;animation:rise .5s both}
.bubble.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start;box-shadow:var(--shadow-sm)}
.bubble.me{background:linear-gradient(135deg,var(--rose),var(--rose-d));color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.bubble:nth-child(2){animation-delay:.15s}
.bubble:nth-child(3){animation-delay:.3s}
.typing{align-self:flex-start;display:flex;gap:5px;padding:13px 16px;background:#fff;border:1px solid var(--line);border-radius:16px;border-bottom-left-radius:5px;box-shadow:var(--shadow-sm)}
.typing span{width:7px;height:7px;border-radius:50%;background:var(--rose-l);animation:blink 1.2s infinite}
.typing span:nth-child(2){animation-delay:.2s}
.typing span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-3px)}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

@media(max-width:860px){
  .hero{grid-template-columns:1fr;text-align:center}
  .lead{max-width:none;margin-left:auto;margin-right:auto}
  .cta-row{justify-content:center}
  .hero-card{max-width:420px;margin:0 auto;width:100%}
}

/* ---------- sections ---------- */
section{max-width:var(--maxw);margin:0 auto;padding:clamp(40px,7vw,80px) clamp(16px,5vw,40px)}
.section-head{text-align:center;max-width:42ch;margin:0 auto clamp(28px,5vw,46px)}
.section-head h2{font-size:clamp(26px,4vw,38px);font-weight:820}
.section-head p{margin-top:12px;color:var(--ink-soft);font-size:17px}

/* features */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:540px){.grid{grid-template-columns:1fr}}
.feat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);transition:transform .2s, box-shadow .2s;
}
.feat:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.feat-ico{font-size:30px;width:54px;height:54px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(160deg,#fff0f5,#ffe2ec);margin-bottom:14px}
.feat h3{font-size:19px}
.feat p{margin-top:9px;color:var(--ink-soft);font-size:15px}

.web-strip{
  margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  background:linear-gradient(135deg,#fff,#fff1f6);border:1px solid var(--line);
  border-radius:22px;padding:26px clamp(20px,4vw,34px);box-shadow:var(--shadow-sm);
}
.web-strip h3{font-size:21px}
.web-strip p{margin-top:8px;color:var(--ink-soft);max-width:52ch}

/* showcase */
.show-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:820px){.show-grid{grid-template-columns:1fr}}
.show-card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:26px clamp(20px,3vw,30px);box-shadow:var(--shadow-sm)}
.show-tag{display:inline-block;font-weight:700;font-size:13.5px;color:var(--rose-d);background:#fde7ee;padding:5px 12px;border-radius:999px}
.show-card h3{font-size:20px;margin-top:14px}
.show-card>p{margin-top:9px;color:var(--ink-soft);font-size:15px}
.relmap{display:block;width:100%;height:auto;margin:18px 0 6px}
.relmap .rnode text{font-size:13px;font-weight:700;fill:#fff}
.legend{list-style:none;display:flex;flex-wrap:wrap;gap:8px 16px;padding:0;margin:6px 0 0;font-size:13.5px;color:var(--ink-soft);font-weight:600}
.legend li{display:flex;align-items:center;gap:7px}
.ldot{width:14px;height:5px;border-radius:3px;display:inline-block}
.scores{margin:18px 0 4px;display:grid;gap:11px}
.score-row{display:grid;grid-template-columns:74px 1fr 30px;align-items:center;gap:12px;font-size:14px}
.score-row>span:first-child{color:var(--ink-soft);font-weight:600}
.score-row .bar{height:9px;border-radius:999px;background:#fbe3ec;overflow:hidden}
.score-row .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--rose-l),var(--rose-d))}
.score-row b{text-align:right;color:var(--rose-d);font-weight:800}
.show-foot{margin-top:14px;color:var(--muted);font-size:13.5px}

/* how */
.how{background:linear-gradient(180deg,transparent,#fff0f5 40%,transparent);border-radius:30px}
.try-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{font-size:13.5px;color:var(--ink-soft);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 13px;box-shadow:var(--shadow-sm)}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow-sm);position:relative}
.step-n{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--rose),var(--rose-d));margin-bottom:14px;box-shadow:var(--shadow-sm)}
.steps h3{font-size:19px}
.steps p{margin-top:8px;color:var(--ink-soft);font-size:15px}
.how-cta{text-align:center;margin-top:36px}

/* privacy */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:760px){.pgrid{grid-template-columns:1fr}}
.pcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.pcard h3{font-size:18px;margin-top:4px}
.pcard p{margin-top:9px;color:var(--ink-soft);font-size:15px}

/* final */
.final{text-align:center;background:linear-gradient(135deg,var(--rose),var(--rose-d));color:#fff;border-radius:30px;margin-top:10px;margin-bottom:60px;padding:clamp(44px,7vw,72px) 24px;box-shadow:var(--shadow)}
.final h2{font-size:clamp(26px,4vw,36px);font-weight:820}
.final p{margin-top:12px;opacity:.92;font-size:18px}
.final .btn-primary{margin-top:26px;color:var(--rose-d);background:#fff}
.final .btn-primary:hover{filter:none;background:#fff8fb}

/* footer */
.foot{max-width:var(--maxw);margin:0 auto;padding:40px clamp(16px,5vw,40px) 60px;text-align:center;border-top:1px solid var(--line)}
.foot-brand{font-weight:800;font-size:19px;display:flex;gap:8px;align-items:center;justify-content:center}
.foot-note{margin-top:12px;color:var(--muted);font-size:13px;max-width:50ch;margin-left:auto;margin-right:auto}
.foot-copy{margin-top:10px;color:var(--muted);font-size:13px}

/* ---------- 모바일 하드닝 (가로 오버플로 방지) ---------- */
html,body{overflow-x:hidden;max-width:100%}
/* 한국어 제목이 음절 중간에서 어색하게 끊기지 않도록(공백 단위 줄바꿈 허용) */
h1,h2,h3,.btn{word-break:keep-all}
@media(max-width:480px){
  /* 긴 버튼은 nowrap 대신 줄바꿈 허용 → 작은 화면에서도 절대 넘치지 않음 */
  .btn{white-space:normal;text-align:center}
  .btn-lg{font-size:16.5px;padding:14px 22px}
  .cta-row{width:100%}
  .cta-row .btn{flex:1 1 100%;justify-content:center}
  .nav-links .nav-cta{padding:8px 13px;font-size:14px}
  .brand{font-size:18px}
  .web-strip .btn{width:100%;justify-content:center}
}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .bubble,.typing span{animation:none}
  html{scroll-behavior:auto}
}