@charset "UTF-8";

/* =========================================================
   POWER INTERNATIONAL — 국제학교 1:1 실시간 온라인 과외
   상상코칭 · 파워랭귀지 계열
   Design system + components
   ========================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  /* neutrals */
  --bg:#FFFFFF;
  --bg-soft:#F5F7FC;
  --bg-softer:#FAFBFE;
  --bg-deep:#0A0F1F;
  --bg-deep-2:#111A31;
  --bg-navy:#0B1B3A;

  --ink:#0F1626;
  --ink-2:#3B4457;
  --ink-3:#6E7789;
  --ink-4:#9AA2B1;
  --line:#E4E8F1;
  --line-soft:#EFF2F8;

  /* brand */
  --brand:#2F5BFF;
  --brand-dark:#1B3CD1;
  --brand-soft:#EDF1FF;
  --gold:#F0B429;
  --gold-soft:#FFF6E2;
  --mint:#0FA47F;
  --mint-soft:#E6F7F2;
  --rose:#E0435C;
  --rose-soft:#FFEFF1;

  --accent:var(--brand);
  --accent-dark:var(--brand-dark);
  --accent-soft:var(--brand-soft);

  /* shape */
  --r-xs:8px;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --r-xl:34px;
  --r-pill:999px;

  --sh-1:0 1px 2px rgba(15,22,38,.05), 0 2px 8px rgba(15,22,38,.05);
  --sh-2:0 4px 12px rgba(15,22,38,.06), 0 12px 32px rgba(15,22,38,.08);
  --sh-3:0 8px 24px rgba(15,22,38,.09), 0 24px 60px rgba(15,22,38,.12);
  --sh-accent:0 10px 30px rgba(47,91,255,.28);

  --maxw:1180px;
  --maxw-narrow:920px;
  --header-h:74px;

  --font:"Pretendard Variable","Pretendard",-apple-system,BlinkMacSystemFont,system-ui,"Segoe UI","Malgun Gothic","맑은 고딕",sans-serif;
  --font-en:"Inter",var(--font);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 18px);
}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--ink);
  background:var(--bg);
  letter-spacing:-.02em;
  word-break:keep-all;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }
table{ border-collapse:collapse; width:100%; }
:focus-visible{ outline:3px solid rgba(47,91,255,.55); outline-offset:2px; border-radius:6px; }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ---------- 3. Layout primitives ---------- */
.container{ width:100%; max-width:var(--maxw); margin-inline:auto; padding-inline:20px; }
.sec{ padding:96px 0; position:relative; }
.sec--soft{ background:var(--bg-soft); }
.sec--softer{ background:var(--bg-softer); }
.sec--tight{ padding:64px 0; }
.sec--dark{ background:var(--bg-navy); color:#fff; }

.sec-head{ max-width:760px; margin:0 auto 52px; text-align:center; }
.sec-head.left{ margin-inline:0; text-align:left; }
.eyebrow{
  display:inline-flex; align-items:center; gap:7px;
  font-size:13px; font-weight:700; letter-spacing:.06em;
  color:var(--accent); text-transform:uppercase;
  background:var(--accent-soft); padding:6px 14px; border-radius:var(--r-pill);
  margin-bottom:16px;
}
.sec--dark .eyebrow{ background:rgba(255,255,255,.1); color:#9EB6FF; }
.sec-head h2{
  font-size:clamp(27px,3.6vw,40px);
  line-height:1.3; font-weight:800; letter-spacing:-.035em;
}
.sec-head h2 em{ font-style:normal; color:var(--accent); }
.sec--dark .sec-head h2 em{ color:#7C9BFF; }
.sec-head p{ margin-top:16px; font-size:17px; color:var(--ink-2); line-height:1.75; }
.sec--dark .sec-head p{ color:rgba(255,255,255,.72); }

.grid{ display:grid; gap:22px; }
.g-2{ grid-template-columns:repeat(2,1fr); }
.g-3{ grid-template-columns:repeat(3,1fr); }
.g-4{ grid-template-columns:repeat(4,1fr); }

/* ---------- 4. Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:54px; padding:0 28px; border-radius:var(--r-pill);
  font-size:16px; font-weight:700; letter-spacing:-.02em;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn--primary{ background:var(--accent); color:#fff; box-shadow:var(--sh-accent); }
.btn--primary:hover{ background:var(--accent-dark); }
.btn--kakao{ background:#FEE500; color:#191600; box-shadow:0 10px 26px rgba(254,229,0,.34); }
.btn--kakao:hover{ background:#F5DC00; }
.btn--ghost{ background:#fff; color:var(--ink); border:1.5px solid var(--line); box-shadow:var(--sh-1); }
.btn--ghost:hover{ border-color:var(--accent); color:var(--accent); }
.btn--line{ background:transparent; color:#fff; border:1.5px solid rgba(255,255,255,.35); }
.btn--line:hover{ background:rgba(255,255,255,.1); border-color:#fff; }
.btn--sm{ height:44px; padding:0 20px; font-size:14.5px; }
.btn--lg{ height:60px; padding:0 34px; font-size:17px; }
.btn--block{ width:100%; }

/* ---------- 5. Header ---------- */
.site-header{
  position:sticky; top:0; z-index:200;
  height:var(--header-h);
  background:rgba(255,255,255,.9);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{ box-shadow:var(--sh-1); }
.header-inner{
  height:100%; display:flex; align-items:center; gap:26px;
}
.brand{ display:flex; align-items:center; gap:11px; flex-shrink:0; }
.brand-mark{
  width:38px; height:38px; border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,#5B7BFF 60%,#8FA6FF 100%);
  color:#fff; display:grid; place-items:center;
  font-family:var(--font-en); font-weight:800; font-size:16px; letter-spacing:-.04em;
  box-shadow:0 4px 14px rgba(47,91,255,.35);
}
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text b{
  font-family:var(--font-en); font-size:16.5px; font-weight:800;
  letter-spacing:-.03em; color:var(--ink);
}
.brand-text b.ko{ font-family:var(--font); font-size:17.5px; letter-spacing:-.045em; }
.brand-text b.ko:only-child{ font-size:19.5px; }
.brand-text small{ font-size:11px; color:var(--ink-3); font-weight:600; letter-spacing:-.01em; }

.gnb{ display:flex; align-items:center; gap:4px; margin-left:auto; }
.gnb > li > a{
  display:block; padding:9px 14px; border-radius:var(--r-sm);
  font-size:15px; font-weight:600; color:var(--ink-2);
  transition:background .15s ease, color .15s ease;
}
.gnb > li > a:hover{ background:var(--bg-soft); color:var(--ink); }

.header-cta{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.header-tel{
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--font-en); font-weight:800; font-size:16px;
  color:var(--ink); letter-spacing:-.02em;
}
.header-tel span{ font-size:11px; color:var(--ink-3); font-family:var(--font); font-weight:600; }

.nav-toggle{
  display:none; width:42px; height:42px; margin-left:auto;
  border-radius:11px; border:1px solid var(--line);
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.nav-toggle span{
  display:block; width:18px; height:2px; border-radius:2px; background:var(--ink);
  transition:transform .25s ease, opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.m-nav{
  position:fixed; inset:var(--header-h) 0 0; z-index:190;
  background:#fff; padding:24px 20px 40px; overflow-y:auto;
  transform:translateX(100%); transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:none;
}
.m-nav.is-open{ transform:translateX(0); }
.m-nav a{
  display:block; padding:15px 4px; font-size:17px; font-weight:600;
  border-bottom:1px solid var(--line-soft);
}
.m-nav .m-cta{ display:grid; gap:10px; margin-top:26px; }
.m-nav .m-cta a{ border:0; }

/* ---------- 6. Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(1100px 560px at 82% -10%, rgba(47,91,255,.20), transparent 62%),
    radial-gradient(760px 460px at 8% 105%, rgba(15,164,127,.14), transparent 60%),
    linear-gradient(170deg,#0B1B3A 0%,#0E2350 46%,#122C63 100%);
  color:#fff;
  padding:88px 0 0;
}
.hero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(900px 600px at 70% 20%, #000, transparent 78%);
  -webkit-mask-image:radial-gradient(900px 600px at 70% 20%, #000, transparent 78%);
}
.hero-inner{
  position:relative; z-index:1; display:grid;
  grid-template-columns:1.08fr .92fr; gap:56px; align-items:center;
  padding-bottom:78px;
}

.hero-badge{
  display:inline-flex; align-items:center; gap:9px;
  padding:8px 16px 8px 9px; border-radius:var(--r-pill);
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.16);
  font-size:13.5px; font-weight:600; color:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
}
.hero-badge b{
  background:var(--gold); color:#241900; font-size:11.5px; font-weight:800;
  padding:3px 9px; border-radius:var(--r-pill); letter-spacing:.01em;
}
.hero h1{
  margin-top:24px;
  font-size:clamp(32px,4.6vw,54px); line-height:1.24; font-weight:800; letter-spacing:-.042em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#9DB6FF 0%,#6FE4C4 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{
  margin-top:22px; font-size:clamp(16px,1.7vw,18.5px);
  line-height:1.78; color:rgba(255,255,255,.76); max-width:540px;
}
.hero-sub b{ color:#fff; font-weight:700; }
.hero-points{ display:flex; flex-wrap:wrap; gap:9px; margin-top:28px; }
.hero-points li{
  display:inline-flex; align-items:center; gap:7px;
  padding:9px 16px; border-radius:var(--r-pill);
  background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14);
  font-size:14px; font-weight:600; color:rgba(255,255,255,.92);
}
.hero-points li::before{ content:"✓"; color:#6FE4C4; font-weight:800; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:12px; margin-top:36px; }
.hero-note{ margin-top:18px; font-size:13.5px; color:rgba(255,255,255,.55); }

/* hero card */
.hero-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-xl);
  padding:30px 28px;
  backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.hero-card h3{ font-size:17px; font-weight:700; letter-spacing:-.03em; }
.hero-card > p{ margin-top:6px; font-size:13.5px; color:rgba(255,255,255,.62); }
.hero-price{ margin-top:22px; display:grid; gap:12px; }
.hero-price li{
  display:flex; align-items:center; justify-content:space-between; gap:14px;
  padding:16px 18px; border-radius:var(--r);
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.1);
}
.hero-price .hp-l{ font-size:14.5px; font-weight:600; color:rgba(255,255,255,.86); }
.hero-price .hp-l small{ display:block; font-size:12px; color:rgba(255,255,255,.5); font-weight:500; margin-top:2px; }
.hero-price .hp-r{ font-family:var(--font-en); font-size:19px; font-weight:800; letter-spacing:-.03em; white-space:nowrap; }
.hero-price .hp-r small{ font-family:var(--font); font-size:12.5px; font-weight:600; color:rgba(255,255,255,.55); margin-left:2px; }
.hero-card-foot{
  margin-top:18px; padding-top:16px; border-top:1px dashed rgba(255,255,255,.18);
  display:grid; gap:7px; font-size:13px; color:rgba(255,255,255,.66);
}
.hero-card-foot li{ display:flex; gap:8px; }
.hero-card-foot li::before{ content:"·"; color:var(--gold); font-weight:800; }
.hero-card-foot b{ color:#fff; font-weight:700; }

/* trust bar */
.trust{
  position:relative; z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  padding:22px 0;
}
.trust-list{ display:flex; flex-wrap:wrap; justify-content:center; gap:14px 44px; }
.trust-list li{ display:flex; flex-direction:column; align-items:center; gap:2px; }
.trust-list b{
  font-family:var(--font-en); font-size:24px; font-weight:800; color:#fff; letter-spacing:-.03em;
}
.trust-list span{ font-size:12.5px; color:rgba(255,255,255,.6); font-weight:600; }

/* ---------- 6-1. Sub hero (과정별 페이지) ---------- */
.subhero{
  position:relative; overflow:hidden;
  background:
    radial-gradient(900px 460px at 86% -20%, rgba(47,91,255,.22), transparent 62%),
    radial-gradient(620px 380px at 4% 110%, rgba(15,164,127,.14), transparent 60%),
    linear-gradient(168deg,#0B1B3A 0%,#0E2350 52%,#132D66 100%);
  color:#fff; padding:34px 0 72px;
}
.subhero::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(780px 480px at 76% 24%, #000, transparent 76%);
  -webkit-mask-image:radial-gradient(780px 480px at 76% 24%, #000, transparent 76%);
}
.subhero > .container{ position:relative; z-index:1; }
.breadcrumb{
  display:flex; flex-wrap:wrap; align-items:center; gap:8px;
  font-size:13px; color:rgba(255,255,255,.5); margin-bottom:30px;
}
.breadcrumb a:hover{ color:#fff; }
.breadcrumb span[aria-hidden]{ color:rgba(255,255,255,.3); }
.breadcrumb b{ color:rgba(255,255,255,.86); font-weight:600; }

.subhero-inner{ display:grid; grid-template-columns:1.1fr .9fr; gap:52px; align-items:center; }
.subhero h1{
  margin-top:20px;
  font-size:clamp(29px,4vw,46px); line-height:1.26; font-weight:800; letter-spacing:-.042em;
}
.subhero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,#9DB6FF 0%,#6FE4C4 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.subhero-sub{ margin-top:20px; font-size:clamp(15.5px,1.6vw,17.5px); line-height:1.78; color:rgba(255,255,255,.74); max-width:520px; }
.subhero-sub b{ color:#fff; font-weight:700; }
.subhero .hero-cta{ margin-top:32px; }

.sh-box{
  background:rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-xl); padding:28px 26px;
  backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px);
  box-shadow:0 26px 60px rgba(0,0,0,.32);
}
.sh-box h3{ font-size:16px; font-weight:700; letter-spacing:-.03em; color:rgba(255,255,255,.9); }
.sh-box ul{ margin-top:16px; display:grid; gap:10px; }
.sh-box li{
  display:flex; gap:10px; font-size:14.5px; line-height:1.6; color:rgba(255,255,255,.8);
  padding-bottom:10px; border-bottom:1px dashed rgba(255,255,255,.12);
}
.sh-box li:last-child{ border-bottom:0; padding-bottom:0; }
.sh-box li::before{ content:"✓"; color:#6FE4C4; font-weight:800; flex-shrink:0; }

/* ---------- 6-2. Cross links (다른 과정 보기) ---------- */
.crosslinks{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.crosslink{
  display:flex; align-items:center; gap:10px;
  padding:16px 18px; border-radius:var(--r);
  background:#fff; border:1px solid var(--line); box-shadow:var(--sh-1);
  font-size:14.6px; font-weight:600; letter-spacing:-.028em;
  transition:transform .18s ease, border-color .18s ease, color .18s ease;
}
.crosslink:hover{ transform:translateY(-3px); border-color:var(--accent); color:var(--accent); }
.crosslink .cl-tag{
  font-family:var(--font-en); font-size:10.5px; font-weight:800; letter-spacing:.04em;
  color:var(--accent); background:var(--accent-soft);
  padding:4px 8px; border-radius:var(--r-pill); flex-shrink:0;
}
.crosslink .cl-arrow{ margin-left:auto; color:var(--ink-4); font-weight:700; }
.crosslink.is-current{
  background:var(--ink); border-color:var(--ink); color:#fff; pointer-events:none;
}
.crosslink.is-current .cl-tag{ background:rgba(255,255,255,.16); color:#fff; }
.crosslink.is-current .cl-arrow{ color:rgba(255,255,255,.5); }

/* ---------- 7. Cards ---------- */
.card{
  background:#fff; border:1px solid var(--line);
  border-radius:var(--r-lg); padding:30px 26px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:#D7DEEC; }
.card-ico{
  width:52px; height:52px; border-radius:15px; display:grid; place-items:center;
  font-size:24px; margin-bottom:18px;
  background:var(--accent-soft);
}
.card h3{ font-size:19px; font-weight:700; letter-spacing:-.032em; line-height:1.42; }
.card p{ margin-top:11px; font-size:15px; color:var(--ink-2); line-height:1.72; }

/* pain cards */
.pain-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:32px 26px; position:relative; box-shadow:var(--sh-1);
}
.pain-card .quote{
  font-size:38px; line-height:1; color:var(--line);
  font-family:var(--font-en); font-weight:800;
}
.pain-card h3{ margin-top:12px; font-size:18.5px; font-weight:700; line-height:1.5; letter-spacing:-.032em; }
.pain-card p{ margin-top:12px; font-size:14.8px; color:var(--ink-3); line-height:1.72; }
.pain-answer{
  margin-top:20px; padding-top:18px; border-top:1px dashed var(--line);
  display:flex; gap:9px; font-size:14.5px; font-weight:600; color:var(--accent); line-height:1.6;
}
.pain-answer::before{ content:"→"; font-weight:800; flex-shrink:0; }

/* ---------- 8. Curriculum chips / programs ---------- */
.prog-card{
  display:block; color:inherit;
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:28px 24px; box-shadow:var(--sh-1); position:relative; overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.prog-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:#CFD9F0; }
.prog-card::before{
  content:""; position:absolute; inset:0 auto auto 0; width:100%; height:4px;
  background:linear-gradient(90deg,var(--accent),#6FE4C4);
  transform:scaleX(0); transform-origin:left; transition:transform .3s ease;
}
.prog-card:hover::before{ transform:scaleX(1); }
.prog-tag{
  display:inline-block; font-family:var(--font-en); font-size:12px; font-weight:800;
  letter-spacing:.04em; color:var(--accent); background:var(--accent-soft);
  padding:5px 11px; border-radius:var(--r-pill);
}
.prog-card h3{ margin-top:16px; font-size:19px; font-weight:700; letter-spacing:-.032em; }
.prog-card p{ margin-top:10px; font-size:14.6px; color:var(--ink-3); line-height:1.7; }
.prog-list{ margin-top:16px; display:flex; flex-wrap:wrap; gap:6px; }
.prog-list li{
  font-size:12.5px; font-weight:600; color:var(--ink-2);
  background:var(--bg-soft); border:1px solid var(--line-soft);
  padding:5px 10px; border-radius:var(--r-pill);
}
.prog-more{
  margin-top:18px; padding-top:14px; border-top:1px dashed var(--line);
  display:flex; align-items:center; justify-content:space-between;
  font-size:13.6px; font-weight:700; color:var(--accent);
}
.prog-more::after{ content:"→"; transition:transform .2s ease; }
.prog-card:hover .prog-more::after{ transform:translateX(4px); }

/* grade selector */
.grades{
  display:flex; flex-wrap:wrap; justify-content:center; gap:10px;
  max-width:820px; margin:0 auto;
}
.grade-chip{
  min-width:78px; padding:14px 16px; border-radius:var(--r);
  background:#fff; border:1.5px solid var(--line);
  text-align:center; box-shadow:var(--sh-1);
  transition:transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
}
.grade-chip:hover{ transform:translateY(-3px); border-color:var(--accent); background:var(--accent-soft); }
.grade-chip b{ display:block; font-family:var(--font-en); font-size:17px; font-weight:800; letter-spacing:-.03em; }
.grade-chip small{ display:block; margin-top:2px; font-size:11.5px; color:var(--ink-3); font-weight:600; }

/* ---------- 9. Process ---------- */
.steps{ display:grid; gap:18px; grid-template-columns:repeat(3,1fr); counter-reset:step; }
.step{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:28px 24px 26px; position:relative; box-shadow:var(--sh-1);
}
.step-no{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--font-en); font-size:12px; font-weight:800; letter-spacing:.08em;
  color:var(--accent); margin-bottom:14px;
}
.step-no::before{
  content:""; width:22px; height:2px; background:var(--accent); border-radius:2px;
}
.step h3{ font-size:18.5px; font-weight:700; letter-spacing:-.032em; }
.step p{ margin-top:11px; font-size:14.6px; color:var(--ink-2); line-height:1.72; }
.step ul{ margin-top:14px; display:grid; gap:7px; }
.step ul li{ font-size:13.6px; color:var(--ink-3); display:flex; gap:8px; line-height:1.6; }
.step ul li::before{ content:"›"; color:var(--accent); font-weight:800; flex-shrink:0; }

/* ---------- 10. Teachers ---------- */
.teacher-filter{ display:flex; flex-wrap:wrap; justify-content:center; gap:8px; margin-bottom:34px; }
.filter-btn{
  padding:10px 18px; border-radius:var(--r-pill);
  border:1.5px solid var(--line); background:#fff;
  font-size:14px; font-weight:600; color:var(--ink-2);
  transition:all .18s ease;
}
.filter-btn:hover{ border-color:var(--accent); color:var(--accent); }
.filter-btn.is-active{ background:var(--ink); border-color:var(--ink); color:#fff; }

.teacher-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.t-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:26px 24px; box-shadow:var(--sh-1);
  display:flex; flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.t-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); }
.t-card.is-hidden{ display:none; }
.t-top{ display:flex; align-items:center; gap:14px; }
.t-avatar{
  width:56px; height:56px; border-radius:50%; flex-shrink:0;
  display:grid; place-items:center;
  font-family:var(--font-en); font-weight:800; font-size:18px; letter-spacing:-.03em;
  background:linear-gradient(135deg,var(--brand),#7B95FF); color:#fff;
  box-shadow:0 6px 16px rgba(47,91,255,.28);
}
.t-card:nth-child(3n+2) .t-avatar{ background:linear-gradient(135deg,#0FA47F,#4ED6B4); box-shadow:0 6px 16px rgba(15,164,127,.28); }
.t-card:nth-child(3n) .t-avatar{ background:linear-gradient(135deg,#E0435C,#FF8E9E); box-shadow:0 6px 16px rgba(224,67,92,.26); }
.t-name{ font-size:18px; font-weight:700; letter-spacing:-.032em; }
.t-name span{ font-family:var(--font-en); font-size:13.5px; font-weight:600; color:var(--ink-3); margin-left:6px; }
.t-role{ margin-top:2px; font-size:12.8px; color:var(--accent); font-weight:600; }
.t-body{ margin-top:18px; flex:1; }
.t-body li{
  font-size:13.8px; color:var(--ink-2); line-height:1.66;
  display:flex; gap:8px; margin-bottom:6px;
}
.t-body li::before{ content:"•"; color:var(--ink-4); flex-shrink:0; }
.t-tags{ margin-top:18px; padding-top:16px; border-top:1px solid var(--line-soft); display:flex; flex-wrap:wrap; gap:6px; }
.t-tags span{
  font-size:11.8px; font-weight:700; letter-spacing:-.01em;
  padding:5px 10px; border-radius:var(--r-pill);
  background:var(--accent-soft); color:var(--accent-dark);
}
.t-tags span.g{ background:var(--mint-soft); color:#0A7A5E; }
.t-tags span.y{ background:var(--gold-soft); color:#8A6100; }

.teacher-more{
  margin-top:38px; text-align:center;
  padding:34px 26px; border-radius:var(--r-lg);
  background:#fff; border:1px dashed var(--line);
}
.teacher-more p{ font-size:15.5px; color:var(--ink-2); line-height:1.7; }
.teacher-more b{ color:var(--ink); }

/* ---------- 11. Sample video matrix ---------- */
.table-wrap{
  overflow-x:auto; border-radius:var(--r-lg);
  border:1px solid var(--line); background:#fff; box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.matrix{ min-width:720px; font-size:14.5px; }
.matrix thead th{
  position:sticky; top:0; z-index:1;
  background:var(--bg-navy); color:#fff;
  font-size:13.5px; font-weight:700; letter-spacing:-.02em;
  padding:15px 14px; text-align:center; white-space:nowrap;
}
.matrix thead th:first-child{ text-align:left; }
.matrix tbody th{
  text-align:left; font-weight:600; font-size:14px; color:var(--ink);
  padding:14px; background:var(--bg-softer); border-bottom:1px solid var(--line-soft);
  white-space:nowrap;
}
.matrix tbody td{
  padding:12px 14px; text-align:center; vertical-align:middle;
  border-bottom:1px solid var(--line-soft); border-left:1px solid var(--line-soft);
}
.matrix tbody tr:last-child th,
.matrix tbody tr:last-child td{ border-bottom:0; }
.vlink{
  display:inline-flex; align-items:center; gap:5px;
  font-size:12.5px; font-weight:700; color:var(--accent);
  background:var(--accent-soft); padding:6px 11px; border-radius:var(--r-pill);
  margin:2px; transition:background .16s ease, color .16s ease;
}
.vlink:hover{ background:var(--accent); color:#fff; }
.vsoon{
  display:inline-block; font-size:12px; font-weight:600;
  color:var(--ink-4); background:var(--bg-soft);
  padding:5px 11px; border-radius:var(--r-pill);
}
.vnone{ color:var(--line); font-size:14px; }

/* ---------- 12. Pricing ---------- */
.price-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; max-width:880px; margin:0 auto; }
.price-card{
  background:#fff; border:1.5px solid var(--line); border-radius:var(--r-xl);
  padding:36px 30px 32px; box-shadow:var(--sh-1); position:relative;
  transition:transform .2s ease, box-shadow .2s ease;
}
.price-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); }
.price-card.is-best{ border-color:var(--accent); box-shadow:var(--sh-2); }
.price-flag{
  position:absolute; top:-13px; left:50%; transform:translateX(-50%);
  background:var(--accent); color:#fff; font-size:12.5px; font-weight:700;
  padding:6px 16px; border-radius:var(--r-pill); white-space:nowrap;
  box-shadow:var(--sh-accent);
}
.price-card h3{ font-size:20px; font-weight:700; letter-spacing:-.032em; }
.price-card .p-sub{ margin-top:6px; font-size:14px; color:var(--ink-3); }
.p-amount{
  margin-top:22px; padding-bottom:22px; border-bottom:1px solid var(--line-soft);
  display:flex; align-items:baseline; gap:5px;
}
.p-amount b{
  font-family:var(--font-en); font-size:38px; font-weight:800;
  letter-spacing:-.045em; line-height:1;
}
.p-amount span{ font-size:16px; font-weight:600; color:var(--ink-2); }
.p-amount small{ font-size:13.5px; color:var(--ink-3); margin-left:auto; font-weight:600; }
.p-feat{ margin-top:22px; display:grid; gap:10px; }
.p-feat li{ display:flex; gap:9px; font-size:14.6px; color:var(--ink-2); line-height:1.6; }
.p-feat li::before{ content:"✓"; color:var(--mint); font-weight:800; flex-shrink:0; }

.price-notes{
  max-width:880px; margin:26px auto 0;
  display:grid; grid-template-columns:repeat(3,1fr); gap:14px;
}
.price-note{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  padding:20px 20px; display:flex; gap:12px; align-items:flex-start;
}
.price-note .pn-ico{ font-size:20px; line-height:1.3; }
.price-note b{ display:block; font-size:14.6px; font-weight:700; letter-spacing:-.03em; }
.price-note p{ margin-top:4px; font-size:13.2px; color:var(--ink-3); line-height:1.6; }

.free-test{
  max-width:880px; margin:34px auto 0;
  background:linear-gradient(135deg,#0B1B3A,#173066);
  border-radius:var(--r-xl); padding:38px 34px; color:#fff;
  display:flex; align-items:center; gap:30px; flex-wrap:wrap;
  box-shadow:0 20px 50px rgba(11,27,58,.28);
}
.free-test .ft-copy{ flex:1 1 380px; }
.free-test .ft-tag{
  display:inline-block; background:var(--gold); color:#241900;
  font-size:12.5px; font-weight:800; padding:5px 13px; border-radius:var(--r-pill);
}
.free-test h3{ margin-top:14px; font-size:24px; font-weight:800; letter-spacing:-.035em; line-height:1.4; }
.free-test p{ margin-top:12px; font-size:15px; color:rgba(255,255,255,.72); line-height:1.72; }
.free-test .ft-cta{ display:flex; gap:10px; flex-wrap:wrap; }

/* ---------- 13. Reviews ---------- */
.review-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.review{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  padding:28px 26px; box-shadow:var(--sh-1); display:flex; flex-direction:column;
}
.stars{ color:var(--gold); font-size:15px; letter-spacing:2px; }
.review p{ margin-top:14px; font-size:15px; color:var(--ink-2); line-height:1.78; flex:1; }
.review-by{
  margin-top:20px; padding-top:16px; border-top:1px solid var(--line-soft);
  font-size:13.2px; color:var(--ink-3);
}
.review-by b{ color:var(--ink); font-weight:700; }

/* ---------- 14. FAQ ---------- */
.faq{ max-width:var(--maxw-narrow); margin:0 auto; display:grid; gap:12px; }
.faq-item{
  background:#fff; border:1px solid var(--line); border-radius:var(--r);
  overflow:hidden; transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item.is-open{ border-color:var(--accent); box-shadow:var(--sh-1); }
.faq-q{
  width:100%; display:flex; align-items:center; gap:14px;
  padding:22px 24px; text-align:left;
  font-size:16.5px; font-weight:700; letter-spacing:-.03em; line-height:1.5;
}
.faq-q .q-mark{
  font-family:var(--font-en); font-weight:800; color:var(--accent); font-size:16px; flex-shrink:0;
}
.faq-q .q-arrow{
  margin-left:auto; flex-shrink:0; width:20px; height:20px;
  transition:transform .25s ease; color:var(--ink-4);
}
.faq-item.is-open .q-arrow{ transform:rotate(180deg); color:var(--accent); }
.faq-a{
  max-height:0; overflow:hidden;
  transition:max-height .32s cubic-bezier(.4,0,.2,1);
}
.faq-a-inner{
  padding:0 24px 24px 54px;
  font-size:15.2px; color:var(--ink-2); line-height:1.8;
}
.faq-a-inner b{ color:var(--ink); font-weight:700; }

/* ---------- 15. Apply / form ---------- */
.apply-wrap{
  display:grid; grid-template-columns:.92fr 1.08fr; gap:44px; align-items:start;
}
.apply-copy h2{
  font-size:clamp(26px,3.4vw,38px); line-height:1.3; font-weight:800; letter-spacing:-.038em;
}
.apply-copy h2 em{ font-style:normal; color:#7C9BFF; }
.apply-copy > p{ margin-top:18px; font-size:16.5px; color:rgba(255,255,255,.7); line-height:1.8; }
.apply-info{ margin-top:32px; display:grid; gap:14px; }
.apply-info li{
  display:flex; gap:14px; align-items:flex-start;
  padding:18px 20px; border-radius:var(--r);
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.11);
}
.apply-info .ai-ico{ font-size:19px; line-height:1.4; }
.apply-info b{ display:block; font-size:14.8px; font-weight:700; }
.apply-info p{ margin-top:3px; font-size:13.5px; color:rgba(255,255,255,.62); line-height:1.6; }
.apply-info a{ color:#9DB6FF; font-weight:700; }

.form-card{
  background:#fff; color:var(--ink);
  border-radius:var(--r-xl); padding:36px 34px;
  box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.form-card h3{ font-size:21px; font-weight:800; letter-spacing:-.035em; }
.form-card > p{ margin-top:7px; font-size:14px; color:var(--ink-3); }
.field{ margin-top:18px; }
.field label{ display:block; font-size:13.6px; font-weight:700; color:var(--ink-2); margin-bottom:7px; }
.field label .req{ color:var(--rose); margin-left:3px; }
.field input, .field select, .field textarea{
  width:100%; padding:13px 15px; border-radius:var(--r-sm);
  border:1.5px solid var(--line); background:var(--bg-softer);
  font-size:15px; transition:border-color .16s ease, background .16s ease;
}
.field input::placeholder, .field textarea::placeholder{ color:var(--ink-4); }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--accent); background:#fff;
}
.field textarea{ resize:vertical; min-height:104px; line-height:1.65; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.agree{
  margin-top:20px; display:flex; gap:10px; align-items:flex-start;
  font-size:13.2px; color:var(--ink-3); line-height:1.6;
}
.agree input{ width:17px; height:17px; margin-top:2px; flex-shrink:0; accent-color:var(--accent); cursor:pointer; }
.agree label{
  display:block; margin:0; font-size:13.2px; font-weight:500;
  color:var(--ink-3); line-height:1.6; cursor:pointer;
}
.agree a{ text-decoration:underline; color:var(--ink-2); }
.form-card .btn{ margin-top:22px; }
.form-msg{
  margin-top:14px; font-size:14px; font-weight:600; text-align:center;
  padding:12px; border-radius:var(--r-sm); display:none;
}
.form-msg.ok{ display:block; background:var(--mint-soft); color:#0A7A5E; }
.form-msg.err{ display:block; background:var(--rose-soft); color:#B32639; }

/* ---------- 16. Footer ---------- */
.site-footer{
  background:var(--bg-deep); color:rgba(255,255,255,.62);
  padding:64px 0 40px; font-size:14px;
}
.footer-top{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:36px; }
.footer-brand .brand-text b{ color:#fff; }
.footer-brand .brand-text small{ color:rgba(255,255,255,.5); }
.footer-brand p{ margin-top:18px; line-height:1.78; max-width:340px; font-size:14px; }
.footer-col h4{ font-size:14.5px; font-weight:700; color:#fff; margin-bottom:16px; }
.footer-col li + li{ margin-top:10px; }
.footer-col a:hover{ color:#fff; }
.footer-bottom{
  margin-top:48px; padding-top:26px; border-top:1px solid rgba(255,255,255,.1);
  display:flex; flex-wrap:wrap; gap:12px 26px; justify-content:space-between;
  font-size:12.8px; color:rgba(255,255,255,.42); line-height:1.8;
}
.footer-bottom .fb-links{ display:flex; gap:18px; }

/* ---------- 17. Mobile sticky CTA ---------- */
.mobile-bar{
  position:fixed; left:0; right:0; bottom:0; z-index:180;
  display:none; gap:8px; padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{ flex:1; height:50px; font-size:15px; padding:0 12px; }

/* ---------- 18. Reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .6s ease, transform .6s cubic-bezier(.22,1,.36,1); }
.reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; }
}

/* ---------- 19. Responsive ---------- */
@media (max-width:1080px){
  .hero-inner{ grid-template-columns:1fr; gap:44px; }
  .subhero-inner{ grid-template-columns:1fr; gap:38px; }
  .sh-box{ max-width:560px; }
  .crosslinks{ grid-template-columns:repeat(3,1fr); }
  .hero-card{ max-width:560px; }
  .apply-wrap{ grid-template-columns:1fr; gap:36px; }
  .footer-top{ grid-template-columns:1fr 1fr; gap:32px; }
  .g-4{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:960px){
  :root{ --header-h:64px; }
  .gnb, .header-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .m-nav{ display:block; }
  .sec{ padding:72px 0; }
  .sec--tight{ padding:52px 0; }
  .g-3, .steps, .teacher-grid, .review-grid{ grid-template-columns:repeat(2,1fr); }
  .mobile-bar{ display:flex; }
  body{ padding-bottom:72px; }
  .price-notes{ grid-template-columns:1fr; }
  .crosslinks{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:720px){
  .container{ padding-inline:18px; }
  .sec{ padding:60px 0; }
  .sec-head{ margin-bottom:38px; }
  .hero{ padding:56px 0 0; }
  .hero-inner{ padding-bottom:52px; }
  .subhero{ padding:24px 0 54px; }
  .breadcrumb{ margin-bottom:20px; font-size:12.5px; }
  .crosslinks{ grid-template-columns:1fr; }
  .hero-card{ padding:24px 20px; }
  .g-2, .g-3, .g-4, .steps, .teacher-grid, .review-grid, .price-grid{ grid-template-columns:1fr; }
  .field-row{ grid-template-columns:1fr; }
  .form-card{ padding:28px 22px; }
  .footer-top{ grid-template-columns:1fr; gap:28px; }
  .trust-list{ gap:16px 28px; }
  .trust-list b{ font-size:20px; }
  .free-test{ padding:28px 22px; }
  .faq-a-inner{ padding-left:24px; }
  .btn{ height:50px; font-size:15px; padding:0 22px; }
  .btn--lg{ height:54px; font-size:16px; }
}