/* 바른수학학원 — 샘플 랜딩페이지
   폰트: Pretendard (상용 무료) */

:root{
  --ink:#0f1d33;
  --ink-2:#56637a;
  --line:#dde5f0;
  --bg:#fff;
  --tint:#f2f6fc;
  --brand:#1b4fa8;
  --brand-dark:#12356b;
  --accent:#2e7d47;
  --wrap:1140px;
  --r:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;word-break:keep-all;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;line-height:1.32;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;border:0;border-radius:10px;background:var(--brand);color:#fff;
  font:inherit;font-weight:600;font-size:16px;line-height:1.2;cursor:pointer;
  transition:background .18s ease,transform .18s ease;white-space:nowrap;
}
.btn:hover{background:var(--brand-dark);transform:translateY(-1px)}
.btn--lg{padding:16px 30px;font-size:17px}
.btn--sm{padding:9px 16px;font-size:14px}
.btn--ghost{background:#fff;color:var(--brand);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn--ghost:hover{background:var(--tint);color:var(--brand-dark)}
.btn--light{background:#fff;color:var(--brand-dark)}
.btn--light:hover{background:#e7eefb}
.btn--outline{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.4)}
.btn--outline:hover{background:rgba(255,255,255,.12)}

/* 내비 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav__inner{display:flex;align-items:center;gap:24px;height:66px}
.nav__logo{font-weight:800;font-size:19px;color:var(--brand-dark)}
.nav__menu{display:flex;gap:24px;margin-left:auto;font-size:15px;color:var(--ink-2)}
.nav__menu a:hover{color:var(--brand)}

/* A. 히어로 */
.hero{background:linear-gradient(168deg,#f2f6fc 0%,#e3ecf9 62%,#dbe6f7 100%);border-bottom:1px solid var(--line)}
.hero__inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:84px 24px 92px}
.hero__eyebrow{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--brand);margin-bottom:18px}
.hero__title{font-size:clamp(32px,5.4vw,54px);font-weight:800;letter-spacing:-.035em;line-height:1.24}
.hero__sub{margin-top:20px;font-size:clamp(16px,2vw,19px);color:var(--ink-2);max-width:30em}
.hero__cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap}
.hero__stat{display:flex;gap:34px;margin-top:40px;padding-top:26px;border-top:1px solid rgba(27,79,168,.18)}
.hero__stat li{display:flex;flex-direction:column}
.hero__stat strong{font-size:26px;font-weight:800;color:var(--brand-dark);letter-spacing:-.02em}
.hero__stat span{font-size:14px;color:var(--ink-2)}
.hero__art svg{width:100%;height:auto;filter:drop-shadow(0 18px 40px rgba(18,53,107,.18))}

/* 섹션 공통 */
.sec{padding:96px 0}
.sec--tint{background:var(--tint)}
.sec__eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);margin-bottom:12px}
.sec__title{font-size:clamp(26px,4vw,40px);font-weight:800;margin-bottom:44px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.note{margin-top:26px;font-size:15px;color:var(--ink-2)}

/* B. 고민 */
.pain{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:0 var(--r) var(--r) 0;padding:28px 26px}
.pain h3{font-size:18.5px;font-weight:700;margin-bottom:10px;color:var(--brand-dark)}
.pain p{color:var(--ink-2);font-size:15.5px}

/* C. 해결 */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 28px}
.card__ico{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:#e7eefb;color:var(--brand);margin-bottom:18px}
.card__ico svg{width:24px;height:24px}
.card h3{font-size:19.5px;font-weight:700;margin-bottom:10px}
.card p{color:var(--ink-2);font-size:15.5px}

/* F. 진행 과정 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.steps li{position:relative;padding-top:14px;border-top:3px solid var(--line)}
.steps li:first-child{border-top-color:var(--brand)}
.steps__n{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;background:var(--brand);color:#fff;font-size:14px;font-weight:700;margin-bottom:12px}
.steps h3{font-size:18px;font-weight:700;margin-bottom:8px}
.steps p{color:var(--ink-2);font-size:15px}

/* H. 요금표 */
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px 28px;display:flex;flex-direction:column}
.plan--best{border:2px solid var(--brand);box-shadow:0 14px 36px rgba(18,53,107,.12)}
.plan__tag{position:absolute;top:-13px;left:28px;background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px}
.plan h3{font-size:19px;font-weight:700}
.plan__price{margin:14px 0 20px;font-size:17px;color:var(--ink-2)}
.plan__price strong{font-size:38px;font-weight:800;color:var(--brand-dark);letter-spacing:-.03em}
.plan ul{display:flex;flex-direction:column;gap:10px;font-size:15.5px;color:var(--ink-2)}
.plan li{position:relative;padding-left:24px}
.plan li::before{
  content:"";position:absolute;left:2px;top:.62em;width:11px;height:6px;
  border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg);
}

/* G. 후기 */
.quote{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;display:flex;flex-direction:column;gap:16px}
.quote p{font-size:16.5px;line-height:1.8}
.quote cite{font-style:normal;font-size:14px;font-weight:600;color:var(--brand);margin-top:auto}

/* J. 지도 */
.map{display:grid;grid-template-columns:1.5fr 1fr;gap:30px}
.map__canvas{
  position:relative;min-height:340px;border-radius:var(--r);border:1px solid var(--line);overflow:hidden;
  background:
    linear-gradient(90deg,rgba(15,29,51,.05) 1px,transparent 1px) 0 0/56px 56px,
    linear-gradient(rgba(15,29,51,.05) 1px,transparent 1px) 0 0/56px 56px,
    linear-gradient(122deg,#e6ecf3 0%,#dbe3ee 100%);
}
.map__canvas::before{content:"";position:absolute;left:-10%;top:56%;width:120%;height:24px;background:#fff;transform:rotate(-6deg);opacity:.9}
.map__pin{position:absolute;left:48%;top:44%;width:18px;height:18px;border-radius:50%;background:var(--brand);border:4px solid #fff;box-shadow:0 3px 10px rgba(0,0,0,.26);transform:translate(-50%,-50%)}
.map__label{position:absolute;left:48%;top:44%;transform:translate(-50%,-42px);background:var(--ink);color:#fff;font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;white-space:nowrap}
.map__badge{position:absolute;right:12px;bottom:12px;font-style:normal;font-size:12px;font-weight:600;color:var(--ink-2);background:rgba(255,255,255,.9);padding:5px 10px;border-radius:6px}
.map__info{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 26px}
.map__info dt{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand);margin-top:20px}
.map__info dt:first-child{margin-top:0}
.map__info dd{margin:4px 0 0;font-size:16px;color:var(--ink-2)}

/* L. 푸터 */
.foot{background:var(--brand-dark);color:#e7eefb;padding:88px 0 56px;text-align:center}
.foot__cta{font-size:clamp(24px,3.6vw,38px);font-weight:800;margin-bottom:16px;color:#fff}
.foot__lead{color:rgba(231,238,251,.78);font-size:17px}
.foot__btns{margin-top:32px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.foot__meta{margin-top:60px;padding-top:28px;border-top:1px solid rgba(255,255,255,.16);font-size:14px;color:rgba(231,238,251,.6);display:flex;flex-direction:column;gap:6px}
.foot__note{margin-top:10px;font-size:13px;color:rgba(231,238,251,.4)}

/* ── 반응형 ───────────────────────────── */
@media (max-width:960px){
  .hero__inner{grid-template-columns:1fr;gap:44px;padding:68px 24px 76px}
  .hero__art{max-width:320px}
  .grid3{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .map{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16px}
  .nav__menu{display:none}
  .nav__inner{height:58px;justify-content:space-between}
  .hero__cta{flex-direction:column}
  .hero__cta .btn{width:100%}
  .hero__stat{gap:20px;justify-content:space-between}
  .hero__stat strong{font-size:22px}
  .sec{padding:64px 0}
  .sec__title{margin-bottom:32px}
  .steps{grid-template-columns:1fr}
  .foot{padding:64px 0 44px}
  .foot__btns{flex-direction:column}
  .foot__btns .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* 네이버 지도 열기 링크 (2026-08-24) */
.map__canvas{text-decoration:none;color:inherit;cursor:pointer;display:block}
.map__canvas:hover .map__badge{background:#03c75a;color:#fff}
.map__canvas:focus-visible{outline:3px solid #03c75a;outline-offset:3px}
.map__badge{transition:background .18s ease,color .18s ease}