/* =========================================================
   LUX ACADEMY 수학관 — 메인 원페이지
   디자인: 흰 배경 중심(라이트) / 네이비·골드는 강조색
   ========================================================= */

:root {
  --navy-900: #0a1426;
  --navy-800: #0f1d33;
  --navy-700: #16263f;
  --navy-600: #1e3250;
  --navy-line: #25395a;

  --gold: #2b8aef;          /* 브랜드 블루 — 버튼/보더/큰 숫자 */
  --gold-ink: #1769c4;      /* 흰 배경 위 블루 텍스트(대비 확보) */
  --gold-soft: rgba(43, 138, 239, 0.10);
  --gold-line: rgba(43, 138, 239, 0.40);
  --sky: #6cb8f2;           /* 하늘색 보조 */

  --green: #2f9e6a;

  --ink: #f4f6fa;
  --ink-soft: #c4cedd;
  --ink-mute: #8595ab;

  --paper: #ffffff;         /* 기본 배경 = 흰색 */
  --paper-2: #ffffff;
  --paper-soft: #f4f7fb;    /* 옅은 회색 밴드 */
  --paper-ink: #1a2436;
  --paper-mute: #5d6b80;
  --paper-line: #e4e8ef;

  --gnb-h: 64px;
  --maxw: 1140px;
  --radius: 14px;
  --shadow: 0 14px 40px rgba(23, 34, 57, 0.12);
  --card: 0 6px 22px rgba(23, 34, 57, 0.06);

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: var(--gnb-h); }

body {
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Malgun Gothic", system-ui, sans-serif;
  color: var(--paper-ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

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

section { scroll-margin-top: var(--gnb-h); }

/* ---------- 공통 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 28px; border-radius: 10px;
  font-size: 16px; font-weight: 700; white-space: nowrap;
  transition: transform 0.15s var(--ease), background 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.btn:active { transform: translateY(1px); }
.btn--gold { background: var(--gold); color: #ffffff; box-shadow: 0 8px 24px rgba(43, 138, 239, 0.32); }
.btn--gold:hover { background: #1769c4; }
.btn--outline { background: transparent; color: var(--paper-ink); border: 1.5px solid #cdd4de; }
.btn--outline:hover { border-color: var(--paper-ink); }
.btn--ghost { background: transparent; color: var(--paper-ink); border: 1.5px solid var(--paper-line); }
.btn--ghost:hover { border-color: var(--paper-mute); }
.btn--sm { height: 44px; padding: 0 20px; font-size: 15px; }
.btn--block { width: 100%; }

/* ---------- 섹션 공통 ---------- */
.sec { padding: 96px 0; }
.sec--light { background: var(--paper-2); color: var(--paper-ink); }
.sec--navy { background: var(--paper-2); color: var(--paper-ink); }       /* 흰색 */
.sec--navy-deep { background: var(--paper-soft); color: var(--paper-ink); } /* 옅은 회색 밴드 */
.sec-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.14em;
  color: var(--gold-ink); text-transform: uppercase; margin-bottom: 14px;
}
.sec-title { font-size: clamp(26px, 4vw, 38px); font-weight: 800; line-height: 1.28; letter-spacing: -0.02em; }
.sec-sub { margin-top: 14px; font-size: 17px; color: var(--paper-mute); }
.sec-head { text-align: center; margin-bottom: 52px; }

.foot-note { font-size: 13px; color: var(--paper-mute); line-height: 1.5; }

/* =========================================================
   COM-01  GNB (흰색 헤더)
   ========================================================= */
.gnb {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--gnb-h);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--paper-line);
  transition: background 0.3s, box-shadow 0.3s;
}
.gnb__inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.gnb__logo { display: flex; align-items: center; gap: 9px; font-weight: 800; color: var(--paper-ink); letter-spacing: 0.02em; }
.gnb__logo-img { height: 28px; width: auto; display: block; }
.footer__logo-img { height: 32px; width: auto; display: block; }

.gnb__menu { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.gnb__menu > li { position: relative; }
.gnb__menu a, .gnb__menu .has-drop > span {
  display: flex; align-items: center; gap: 5px;
  padding: 0 14px; height: var(--gnb-h);
  font-size: 15px; font-weight: 600; color: var(--paper-mute);
  transition: color 0.2s; cursor: pointer;
}
.gnb__menu a:hover, .gnb__menu .has-drop:hover > span { color: var(--paper-ink); }
.gnb__menu .caret { width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform 0.2s; }
.gnb__menu .has-drop:hover .caret { transform: rotate(225deg) translateY(2px); }

.gnb__drop {
  position: absolute; top: calc(var(--gnb-h) - 8px); left: 50%; transform: translateX(-50%) translateY(8px);
  min-width: 180px; padding: 8px; border-radius: 12px;
  background: #fff; border: 1px solid var(--paper-line);
  box-shadow: 0 18px 50px rgba(23, 34, 57, 0.14);
  opacity: 0; visibility: hidden; transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
}
.gnb__menu .has-drop:hover .gnb__drop { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.gnb__drop a { height: auto; padding: 11px 14px; border-radius: 8px; font-size: 14.5px; color: var(--paper-mute); }
.gnb__drop a:hover { background: var(--paper-soft); color: var(--gold-ink); }
.gnb__drop .div { height: 1px; background: var(--paper-line); margin: 6px 8px; }

.gnb__cta { margin-left: auto; }
.gnb__burger { display: none; margin-left: auto; width: 42px; height: 42px; }
.gnb__burger span { display: block; width: 22px; height: 2px; background: var(--paper-ink); margin: 5px auto; border-radius: 2px; transition: 0.25s; }

/* =========================================================
   MAIN-01  Hero (라이트)
   ========================================================= */
.hero {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  padding: calc(var(--gnb-h) + 40px) 0 60px;
  background:
    radial-gradient(1100px 600px at 80% 22%, rgba(43, 138, 239, 0.12), transparent 62%),
    linear-gradient(180deg, #ffffff 0%, #f3f6fb 100%);
  color: var(--paper-ink); overflow: hidden;
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero__eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.22em; color: var(--gold-ink); margin-bottom: 22px; }
.hero h1 {
  font-size: clamp(34px, 5.4vw, 56px); font-weight: 800; line-height: 1.22; letter-spacing: -0.03em;
  color: var(--paper-ink);
  opacity: 0; transform: translateY(16px); animation: heroFade 0.9s var(--ease) 0.15s forwards;
}
.hero h1 .em { color: var(--gold-ink); }
@keyframes heroFade { to { opacity: 1; transform: none; } }
.hero__sub { margin-top: 22px; font-size: clamp(16px, 1.9vw, 19px); color: var(--paper-mute); max-width: 30em; line-height: 1.7; }
.hero__cta { margin-top: 34px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero__trust { margin-top: 30px; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: 14.5px; color: var(--paper-mute); }
.hero__trust .dot { color: var(--gold-line); }

.hero__visual {
  aspect-ratio: 4 / 3.4; border-radius: 18px;
  background: linear-gradient(160deg, #eef2f8, #e2e8f1);
  border: 1px solid var(--paper-line); box-shadow: var(--shadow);
  position: relative; overflow: hidden;
}
.hero__visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__visual::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(160deg, transparent 55%, rgba(15, 29, 51, 0.18));
}

/* =========================================================
   MAIN-02  핵심 숫자 + 실적 띠
   ========================================================= */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius);
  box-shadow: var(--card); padding: 30px 24px; text-align: center;
}
.stat .num { font-size: clamp(30px, 4vw, 42px); font-weight: 800; color: var(--gold-ink); line-height: 1.1; letter-spacing: -0.02em; }
.stat .num .u { font-size: 0.5em; font-weight: 700; margin-left: 2px; }
.stat .label { margin-top: 10px; font-size: 15px; color: var(--paper-mute); }

.record-band {
  margin-top: 26px; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--gold-line); background: var(--gold-soft);
}
.record-band a { display: block; padding: 24px 28px; transition: background 0.2s; }
.record-band a:hover { background: rgba(43, 138, 239, 0.16); }
.record-band .eye { font-size: 13px; font-weight: 700; letter-spacing: 0.1em; color: var(--gold-ink); margin-bottom: 10px; }
.record-band .line { font-size: 16px; color: var(--paper-ink); line-height: 1.75; }
.record-band .line .note { color: var(--paper-mute); font-size: 0.86em; }
.record-band .more { margin-top: 14px; font-size: 14.5px; font-weight: 700; color: var(--gold-ink); }

/* =========================================================
   MAIN-03  학년별 진입 카드
   ========================================================= */
.grade-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.grade {
  display: flex; flex-direction: column; background: var(--paper-2);
  border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 30px 26px 26px;
  box-shadow: var(--card);
  transition: transform 0.22s var(--ease), box-shadow 0.22s, border-color 0.22s; cursor: pointer;
}
.grade:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--gold-line); }
.grade__icon { width: 52px; height: 52px; border-radius: 14px; background: var(--gold-soft); color: var(--gold-ink); display: grid; place-items: center; margin-bottom: 20px; transition: background 0.22s, color 0.22s; }
.grade:hover .grade__icon { background: var(--gold); color: #fff; }
.grade__icon svg { width: 27px; height: 27px; }
.grade__tag { font-size: 13px; font-weight: 700; color: var(--gold-ink); letter-spacing: 0.05em; }
.grade__range { margin-top: 6px; font-size: 22px; font-weight: 800; }
.grade__quote { margin-top: 16px; font-size: 17px; font-weight: 700; line-height: 1.5; color: var(--paper-ink); }
.grade__points { margin-top: 18px; display: flex; flex-direction: column; gap: 9px; }
.grade__points li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--paper-mute); }
.grade__points li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); }
.grade__rec { margin-top: 18px; font-size: 14px; font-weight: 700; color: var(--green); }
.grade__link { margin-top: auto; padding-top: 18px; font-size: 15px; font-weight: 700; color: var(--paper-ink); display: flex; align-items: center; gap: 6px; }
.grade:hover .grade__link { color: var(--gold-ink); }
.grade__link .arr { transition: transform 0.2s; }
.grade:hover .grade__link .arr { transform: translateX(4px); }

/* =========================================================
   MAIN-04  비교 표
   ========================================================= */
.compare { max-width: 880px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--paper-line); box-shadow: var(--card); }
.compare table { width: 100%; border-collapse: collapse; background: #fff; }
.compare th, .compare td { padding: 18px 22px; text-align: left; font-size: 15.5px; border-bottom: 1px solid var(--paper-line); }
.compare thead th { background: var(--paper-soft); font-size: 14px; color: var(--paper-mute); font-weight: 700; }
.compare thead th.lux { color: var(--gold-ink); }
.compare td:first-child { font-weight: 700; color: var(--paper-ink); width: 26%; }
.compare td.general { color: var(--paper-mute); }
.compare td.lux { color: var(--paper-ink); font-weight: 700; background: var(--gold-soft); border-left: 1px solid var(--gold-line); border-right: 1px solid var(--gold-line); }
.compare tr:last-child td { border-bottom: none; }
.compare td.lux .chk { color: var(--gold-ink); margin-right: 7px; font-weight: 900; }
.compare-cta { text-align: center; margin-top: 30px; }
.compare-cta a { font-size: 16px; font-weight: 700; color: var(--gold-ink); border-bottom: 1px solid var(--gold-line); padding-bottom: 3px; }

/* 모바일 비교 카드 */
.compare-cards { display: none; flex-direction: column; gap: 14px; }
.cmp-card { border: 1px solid var(--paper-line); border-radius: 12px; overflow: hidden; box-shadow: var(--card); background: #fff; }
.cmp-card .h { padding: 14px 18px; background: var(--paper-soft); font-weight: 700; font-size: 15px; color: var(--paper-ink); }
.cmp-card .row { display: flex; justify-content: space-between; gap: 12px; padding: 13px 18px; font-size: 14.5px; }
.cmp-card .row .k { color: var(--paper-mute); }
.cmp-card .row.lux { background: var(--gold-soft); }
.cmp-card .row.lux .v { color: var(--gold-ink); font-weight: 700; }

/* =========================================================
   MAIN-05  7단계 사이클
   ========================================================= */
.cycle { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; max-width: 920px; margin: 0 auto; }
.step {
  flex: 1 1 150px; max-width: 200px; border-radius: 12px; padding: 22px 18px; text-align: center;
  border: 1px solid var(--paper-line); position: relative; background: #fff;
}
.step.confirmed { background: #fff; box-shadow: var(--card); }
.step.pending { background: #fff; border-color: var(--gold-line); border-style: dashed; }
.step .no { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 12px; font-weight: 800; font-size: 14px; }
.step.confirmed .no { background: var(--gold); color: #ffffff; }
.step.pending .no { background: transparent; border: 1.5px solid var(--gold); color: var(--gold-ink); }
.step .name { font-weight: 700; font-size: 16px; color: var(--paper-ink); }
.step .desc { margin-top: 8px; font-size: 13px; color: var(--paper-mute); line-height: 1.5; min-height: 38px; }
.step.pending .desc { color: var(--gold-ink); opacity: 0.85; }
.cycle-loop { text-align: center; margin-top: 26px; font-size: 14px; color: var(--paper-mute); }
.cycle-loop .ico { color: var(--gold-ink); }

/* =========================================================
   MAIN-06  강사진
   ========================================================= */
.teachers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.teacher {
  background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: var(--radius);
  box-shadow: var(--card);
  overflow: hidden; transition: transform 0.22s var(--ease), box-shadow 0.22s; cursor: pointer;
}
.teacher:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.teacher__photo {
  aspect-ratio: 4 / 3; background: #fff;
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.teacher__photo img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.teacher__photo .initial { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; font-weight: 800; color: var(--gold-ink); border: 2px solid var(--gold-line); background: rgba(43,138,239,0.08); }
.teacher__photo .ph-cap { position: absolute; bottom: 12px; font-size: 12px; color: var(--paper-mute); }
.teacher__body { padding: 22px 24px 26px; }
.teacher__head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.teacher__name { font-size: 19px; font-weight: 800; }
.teacher__name b { color: var(--gold-ink); font-size: 0.8em; margin-left: 2px; }
.teacher__badge { font-size: 12.5px; font-weight: 700; color: var(--gold-ink); background: var(--gold-soft); border: 1px solid var(--gold-line); padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.teacher__edu { margin-top: 4px; font-size: 14px; color: var(--paper-mute); }
.teacher__hist { margin-top: 16px; display: flex; flex-direction: column; gap: 7px; }
.teacher__hist li { padding-left: 16px; position: relative; font-size: 14px; color: var(--paper-ink); }
.teacher__hist li::before { content: ""; position: absolute; left: 3px; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.teacher__rec { margin-top: 12px; font-size: 13.5px; color: var(--green); font-weight: 600; }
.teacher__rec .note { color: var(--paper-mute); font-weight: 400; }
.teacher__for { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--paper-line); font-size: 14px; }
.teacher__for b { color: var(--gold-ink); }

/* =========================================================
   MAIN-07  실적 3탭
   ========================================================= */
.tabs { display: flex; gap: 8px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap; }
.tab {
  padding: 12px 24px; border-radius: 999px; font-size: 15px; font-weight: 700;
  color: var(--paper-mute); border: 1px solid var(--paper-line); background: #fff; transition: 0.2s;
}
.tab.active { background: var(--gold); color: #ffffff; border-color: var(--gold); }
.tab:not(.active):hover { border-color: var(--gold-line); color: var(--paper-ink); }
.tab-panel { display: none; max-width: 820px; margin: 0 auto; }
.tab-panel.active { display: block; animation: fadeIn 0.4s var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.result-list { display: grid; gap: 12px; }
.result-list li {
  display: flex; gap: 14px; align-items: flex-start; padding: 16px 20px;
  background: #fff; border: 1px solid var(--paper-line); border-radius: 11px; font-size: 15.5px; box-shadow: var(--card);
}
.result-list li .yr { flex: 0 0 auto; font-size: 13px; font-weight: 800; color: var(--gold-ink); padding-top: 2px; min-width: 52px; }
.result-list li .arr { color: var(--green); font-weight: 800; }

.uplift-band {
  max-width: 820px; margin: 36px auto 0; padding: 22px 26px; border-radius: var(--radius);
  background: var(--gold-soft);
  border: 1px solid var(--gold-line);
}
.uplift-band .t { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; color: var(--gold-ink); margin-bottom: 14px; }
.uplift-band .items { display: flex; flex-wrap: wrap; gap: 12px 26px; }
.uplift-band .item { font-size: 16px; font-weight: 700; color: var(--paper-ink); }
.uplift-band .item .b { color: var(--paper-mute); font-weight: 600; }
.uplift-band .item .arr { color: var(--green); margin: 0 4px; }
.results-note { max-width: 820px; margin: 18px auto 0; }

/* =========================================================
   MAIN-08  상승 스토리 + 후기
   ========================================================= */
.stories { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.story { background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 28px 26px; box-shadow: var(--card); }
.story .ba { font-size: 12px; font-weight: 800; letter-spacing: 0.1em; }
.story .before .ba { color: var(--paper-mute); }
.story .before .v { font-size: 18px; font-weight: 700; color: var(--paper-mute); margin-top: 4px; }
.story .sep { text-align: center; color: var(--green); font-size: 22px; margin: 12px 0; font-weight: 800; }
.story .after .ba { color: var(--green); }
.story .after .v { font-size: 24px; font-weight: 800; color: var(--paper-ink); margin-top: 4px; }

.reviews-head { margin: 64px 0 26px; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.reviews-head h3 { font-size: 22px; font-weight: 800; }
.reviews-head a { font-size: 14.5px; font-weight: 700; color: var(--gold-ink); }
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review { background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: 12px; padding: 22px 22px; box-shadow: var(--card); }
.review .stars { color: var(--gold); font-size: 14px; letter-spacing: 2px; }
.review p { margin-top: 10px; font-size: 14.5px; color: var(--paper-ink); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.review .by { margin-top: 14px; font-size: 13px; color: var(--paper-mute); }
.review .by .lbl { display: inline-block; font-size: 11px; font-weight: 700; color: var(--gold-ink); background: var(--gold-soft); padding: 2px 7px; border-radius: 5px; margin-right: 6px; }

/* =========================================================
   MAIN-09  입학 절차 + 폼
   ========================================================= */
.apply-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: start; }
.steps { display: flex; flex-direction: column; gap: 14px; }
.pstep { display: flex; gap: 16px; align-items: flex-start; }
.pstep .no { flex: 0 0 auto; width: 40px; height: 40px; border-radius: 10px; background: var(--gold-soft); border: 1px solid var(--gold-line); color: var(--gold-ink); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.pstep .tx b { display: block; font-size: 16px; font-weight: 700; }
.pstep .tx span { font-size: 14px; color: var(--paper-mute); }
.apply-quote { margin-top: 30px; padding: 22px 24px; border-left: 3px solid var(--gold); background: #fff; border: 1px solid var(--paper-line); border-left: 3px solid var(--gold); border-radius: 0 10px 10px 0; font-size: 17px; font-weight: 600; line-height: 1.6; color: var(--paper-ink); box-shadow: var(--card); }
.apply-note { margin-top: 14px; font-size: 14px; color: var(--paper-mute); }

.form-card { background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: 18px; padding: 32px 30px; box-shadow: var(--shadow); color: var(--paper-ink); }
.form-card h3 { font-size: 20px; font-weight: 800; }
.form-card .fc-sub { font-size: 14px; color: var(--paper-mute); margin-top: 6px; margin-bottom: 22px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; color: var(--paper-ink); }
.field label .req { color: var(--gold-ink); }
.field input, .field select {
  width: 100%; height: 50px; padding: 0 16px; border-radius: 10px; font-size: 15px;
  border: 1.5px solid var(--paper-line); background: var(--paper-soft); color: var(--paper-ink); transition: border 0.2s, background 0.2s;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--gold); background: #fff; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.agree { display: flex; align-items: flex-start; gap: 10px; margin: 18px 0 20px; font-size: 13.5px; color: var(--paper-mute); }
.agree input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--gold); flex: 0 0 auto; }
.agree a { color: var(--gold-ink); text-decoration: underline; }
.form-done { display: none; text-align: center; padding: 20px 0; }
.form-done.show { display: block; }
.form-done .ic { width: 56px; height: 56px; border-radius: 50%; background: var(--gold-soft); color: var(--gold-ink); display: grid; place-items: center; margin: 0 auto 16px; font-size: 28px; }
.form-done b { font-size: 18px; }
.form-done p { margin-top: 8px; color: var(--paper-mute); font-size: 14.5px; }
.form-done .kakao { margin-top: 18px; }
.kakao-btn { display:inline-flex; align-items:center; gap:8px; height:48px; padding:0 22px; border-radius:10px; background:var(--gold); color:#ffffff; font-weight:700; }

/* =========================================================
   MAIN-10  FAQ + 위치
   ========================================================= */
.faq-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: start; }
.faq-list { border-top: 1px solid var(--paper-line); }
.faq-item { border-bottom: 1px solid var(--paper-line); }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 4px; text-align: left; font-size: 16.5px; font-weight: 700; color: var(--paper-ink); }
.faq-q .ic { flex: 0 0 auto; width: 22px; height: 22px; position: relative; }
.faq-q .ic::before, .faq-q .ic::after { content: ""; position: absolute; background: var(--gold-ink); border-radius: 2px; }
.faq-q .ic::before { top: 10px; left: 2px; right: 2px; height: 2px; }
.faq-q .ic::after { left: 10px; top: 2px; bottom: 2px; width: 2px; transition: transform 0.25s; }
.faq-item.open .faq-q .ic::after { transform: scaleY(0); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s var(--ease); }
.faq-a p { padding: 0 4px 22px; font-size: 15px; color: var(--paper-mute); line-height: 1.7; }
.faq-more { margin-top: 24px; }
.faq-more a { font-size: 15px; font-weight: 700; color: var(--gold-ink); }

.locale { background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--card); }
.locale__map { aspect-ratio: 4 / 3; background: #dfe4ec; position: relative; }
.locale__map iframe { width: 100%; height: 100%; border: 0; display: block; }
.locale__photo { aspect-ratio: 4 / 3; overflow: hidden; background: #dfe4ec; }
.locale__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* 후기 안내(실제 채널 연동 전) */
.reviews-cta { background: var(--paper-soft); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 32px 28px; text-align: center; }
.reviews-cta p { font-size: 15.5px; color: var(--paper-mute); }
.reviews-cta .links { margin-top: 18px; display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* 키보드 접근성 — 포커스 표시 */
:focus-visible { outline: 3px solid var(--gold-line); outline-offset: 2px; border-radius: 6px; }
.btn:focus-visible, .gnb__cta:focus-visible { outline-offset: 3px; }
.locale__info { padding: 22px 24px; }
.locale__info .addr { font-size: 15px; font-weight: 700; }
.locale__info .row { margin-top: 10px; font-size: 14.5px; color: var(--paper-mute); display: flex; align-items: center; gap: 8px; }
.locale__info .row a { color: var(--paper-ink); font-weight: 700; }
.locale__actions { margin-top: 18px; display: flex; gap: 10px; flex-wrap: wrap; }

/* =========================================================
   COM-01  Footer (라이트)
   ========================================================= */
.footer { background: var(--paper-soft); color: var(--paper-mute); padding: 56px 0 40px; border-top: 1px solid var(--paper-line); }
.footer__top { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; align-items: flex-start; }
.footer__brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--paper-ink); }
.footer__sns { display: flex; gap: 10px; }
.footer__sns a { width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--paper-line); background: #fff; display: grid; place-items: center; color: var(--paper-mute); transition: 0.2s; font-size: 13px; font-weight: 700; }
.footer__sns a:hover { border-color: var(--gold-line); color: var(--gold-ink); }
.footer__biz { margin-top: 30px; font-size: 13.5px; line-height: 1.9; color: var(--paper-mute); }
.footer__biz a { color: var(--paper-ink); }
.footer__biz a:hover { color: var(--gold-ink); }
.footer__biz .sep { color: var(--paper-line); margin: 0 8px; }

/* =========================================================
   모바일 하단 고정 CTA 바 (라이트)
   ========================================================= */
.mo-bar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; gap: 10px; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: rgba(255,255,255,0.96); backdrop-filter: blur(10px); border-top: 1px solid var(--paper-line); }
.mo-bar.hide { transform: translateY(120%); transition: transform 0.3s; }
.mo-bar .btn { flex: 1; height: 50px; }
.mo-bar .btn--tel { flex: 0 0 56px; padding: 0; }

/* 모바일 메뉴 패널 (라이트) */
.mo-menu { display: none; position: fixed; inset: var(--gnb-h) 0 0; z-index: 95; background: #fff; padding: 20px 24px; overflow-y: auto; }
.mo-menu.open { display: block; }
.mo-menu > a, .mo-menu .acc > button { display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 18px 4px; font-size: 18px; font-weight: 700; color: var(--paper-ink); border-bottom: 1px solid var(--paper-line); }
.mo-menu .acc__body { max-height: 0; overflow: hidden; transition: max-height 0.3s; }
.mo-menu .acc.open .acc__body { max-height: 320px; }
.mo-menu .acc__body a { display: block; padding: 14px 4px 14px 18px; font-size: 16px; color: var(--paper-mute); border-bottom: 1px solid var(--paper-line); }
.mo-menu .mo-cta { margin-top: 24px; }

/* =========================================================
   Reveal 애니메이션
   ========================================================= */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero h1 { animation: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   서브페이지 공통 (SUB-*) — 라이트
   ========================================================= */
.subhero {
  padding: calc(var(--gnb-h) + 64px) 0 64px; color: var(--paper-ink);
  background:
    radial-gradient(900px 480px at 84% 16%, rgba(43,138,239,0.12), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #f3f6fb 100%);
  border-bottom: 1px solid var(--paper-line);
}
.subhero__crumb { font-size: 13px; color: var(--paper-mute); margin-bottom: 16px; }
.subhero__crumb a { color: var(--paper-mute); }
.subhero__crumb a:hover { color: var(--gold-ink); }
.subhero__grid { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.subhero h1 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; max-width: 16em; color: var(--paper-ink); }
.subhero h1 .em { color: var(--gold-ink); }
.subhero__sub { margin-top: 16px; font-size: 17px; color: var(--paper-mute); }
.subhero__cta { flex: 0 0 auto; }

.cta-banner { background: var(--gold-soft); color: var(--paper-ink); text-align: center; padding: 60px 0; border-top: 1px solid var(--gold-line); border-bottom: 1px solid var(--gold-line); }
.cta-banner h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; color: var(--paper-ink); }
.cta-banner p { margin-top: 10px; color: var(--paper-mute); font-size: 16px; }
.cta-banner .btn { margin-top: 26px; }

/* 로드맵 표 */
.roadmap { max-width: 920px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--paper-line); box-shadow: var(--card); background: #fff; }
.roadmap table { width: 100%; border-collapse: collapse; }
.roadmap th, .roadmap td { padding: 15px 18px; font-size: 14.5px; text-align: center; border-bottom: 1px solid var(--paper-line); }
.roadmap thead th { background: var(--paper-soft); font-weight: 700; color: var(--paper-mute); font-size: 13px; }
.roadmap td:first-child, .roadmap th:first-child { text-align: left; font-weight: 700; }
.roadmap tr:last-child td { border-bottom: none; }
.roadmap tr.hl td { background: var(--gold-soft); }
.roadmap tr.hl td:first-child { color: var(--gold-ink); box-shadow: inset 3px 0 0 var(--gold); }
.roadmap .dim { color: #9aa4b3; }

/* 커리큘럼 카드 */
.curric { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cc { background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--card); }
.cc__no { width: 34px; height: 34px; border-radius: 9px; background: var(--gold-soft); border: 1px solid var(--gold-line); color: var(--gold-ink); display: grid; place-items: center; font-weight: 800; font-size: 14px; }
.cc__t { margin-top: 14px; font-size: 18px; font-weight: 800; }
.cc__list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.cc__list li { padding-left: 18px; position: relative; font-size: 14.5px; color: var(--paper-mute); }
.cc__list li::before { content: ""; position: absolute; left: 3px; top: 9px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.cc__img { margin-top: 16px; aspect-ratio: 16/9; border-radius: 10px; background: var(--paper-soft); border: 1px dashed var(--paper-line); display: grid; place-items: center; font-size: 12.5px; color: var(--paper-mute); }

/* 학교 칩 리스트 */
.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip { padding: 10px 18px; border-radius: 999px; background: var(--paper-2); border: 1px solid var(--paper-line); font-size: 15px; font-weight: 700; box-shadow: var(--card); }
.chip.todo { color: var(--paper-mute); font-weight: 600; border-style: dashed; box-shadow: none; }

/* TCMP 4요소 */
.tcmp { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tc { background: #fff; border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 26px 22px; text-align: center; box-shadow: var(--card); }
.tc .k { font-size: 30px; font-weight: 900; color: var(--gold-ink); }
.tc .t { margin-top: 10px; font-size: 17px; font-weight: 800; color: var(--paper-ink); }
.tc .d { margin-top: 8px; font-size: 13.5px; color: var(--paper-mute); line-height: 1.55; }

/* 3단 도식 (병행 전략) */
.flow3 { display: flex; align-items: stretch; justify-content: center; gap: 0; flex-wrap: wrap; }
.flow3 .f { flex: 1 1 200px; max-width: 280px; background: var(--paper-2); border: 1px solid var(--paper-line); border-radius: var(--radius); padding: 24px 22px; text-align: center; box-shadow: var(--card); }
.flow3 .arr { display: grid; place-items: center; font-size: 24px; color: var(--gold-ink); padding: 0 8px; }
.flow3 .f .n { font-size: 13px; font-weight: 800; color: var(--gold-ink); letter-spacing: 0.08em; }
.flow3 .f .x { margin-top: 8px; font-size: 16px; font-weight: 700; }

/* 미니 시스템 요약 (3스텝) */
.minisys { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.minisys .m { flex: 1 1 200px; max-width: 260px; background: #fff; border: 1px solid var(--paper-line); border-radius: 12px; padding: 22px; text-align: center; box-shadow: var(--card); }
.minisys .m .no { width: 30px; height: 30px; border-radius: 50%; background: var(--gold); color: #ffffff; display: grid; place-items: center; font-weight: 800; margin: 0 auto 12px; }
.minisys .m .t { font-weight: 700; font-size: 16px; color: var(--paper-ink); }
.minisys .m .d { margin-top: 6px; font-size: 13px; color: var(--paper-mute); }

/* 교재 라인업 스트립 */
.materials-strip { max-width: 1000px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--paper-line); background: #fff; box-shadow: var(--card); }
.materials-strip img { width: 100%; display: block; }

/* 교재 블록 */
.book { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 32px; align-items: center; max-width: 920px; margin: 0 auto; }
.book__img { aspect-ratio: 3/4; border-radius: var(--radius); background: linear-gradient(160deg, #eef2f8, #e2e8f1); border: 1px solid var(--paper-line); display: grid; place-items: center; color: var(--paper-mute); font-size: 13px; text-align: center; padding: 20px; }
.book__body h3 { font-size: 22px; font-weight: 800; }
.book__body p { margin-top: 12px; color: var(--paper-mute); font-size: 15.5px; line-height: 1.7; }

@media (max-width: 980px) {
  .tcmp { grid-template-columns: repeat(2, 1fr); }
  .curric { grid-template-columns: 1fr; }
  .book { grid-template-columns: 1fr; }
  .book__img { max-width: 280px; margin: 0 auto; }
  .subhero__grid { align-items: flex-start; }
}
@media (max-width: 768px) {
  .tcmp { grid-template-columns: 1fr 1fr; }
  .flow3 { flex-direction: column; }
  .flow3 .f { flex: 0 0 auto; max-width: none; width: 100%; padding: 18px 22px; }
  .flow3 .arr { transform: rotate(90deg); padding: 4px 0; }
  .roadmap { font-size: 13px; overflow-x: auto; }
}

/* =========================================================
   반응형
   ========================================================= */
@media (max-width: 980px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .hero__visual { max-width: 420px; }
  .apply-grid { grid-template-columns: 1fr; gap: 36px; }
  .faq-grid { grid-template-columns: 1fr; gap: 36px; }
  .teachers, .grade-grid, .stories, .reviews { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sec { padding: 60px 0; }
  .gnb__menu, .gnb__cta { display: none; }
  .gnb__burger { display: block; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grade-grid, .teachers, .stories, .reviews { grid-template-columns: 1fr; }
  .compare { display: block; }
  .compare-cards { display: none; }
  .compare th, .compare td { padding: 11px 9px; font-size: 12.5px; }
  .compare td.lux .chk { margin-right: 3px; }
  .field-row { grid-template-columns: 1fr; }
  .mo-bar { display: flex; box-shadow: 0 -8px 24px rgba(23,34,57,0.12); }
  body { padding-bottom: 78px; }
  .footer { margin-bottom: 0; }
  .reviews-head { margin-top: 48px; }

  /* --- Hero --- */
  .hero { min-height: auto; padding: calc(var(--gnb-h) + 28px) 0 44px; }
  .hero__visual { display: none; }
  .hero__eyebrow { margin-bottom: 16px; }
  .hero h1 { font-size: clamp(30px, 8.5vw, 40px); }
  .hero__sub { margin-top: 18px; }
  .hero__cta { flex-direction: column; margin-top: 28px; gap: 10px; }
  .hero__cta .btn { width: 100%; }
  .hero__trust { flex-direction: column; align-items: flex-start; gap: 9px; margin-top: 26px; font-size: 14px; }
  .hero__trust .dot { display: none; }
  .hero__trust > span:not(.dot) { position: relative; padding-left: 16px; }
  .hero__trust > span:not(.dot)::before { content: ""; position: absolute; left: 2px; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }

  /* --- 섹션 헤더 여백 --- */
  .sec-head { margin-bottom: 36px; }
  .sec-sub { font-size: 15.5px; }

  /* --- 서브히어로 --- */
  .subhero { padding: calc(var(--gnb-h) + 36px) 0 40px; }
  .subhero__grid { flex-direction: column; align-items: stretch; gap: 22px; }
  .subhero__cta { width: 100%; }

  /* --- 7단계 → 세로 타임라인 --- */
  .cycle { flex-direction: column; gap: 10px; max-width: 400px; }
  .step {
    flex: 0 0 auto; width: 100%; max-width: none;
    display: grid; grid-template-columns: auto 1fr; column-gap: 14px; align-items: center;
    text-align: left; padding: 15px 18px;
  }
  .step.pending { border-style: solid; }
  .step .no { grid-row: 1 / 3; align-self: center; margin: 0; }
  .step .name { grid-column: 2; font-size: 16px; }
  .step .desc { grid-column: 2; margin-top: 2px; min-height: 0; }
  .step:not(:last-child)::before { content: ""; position: absolute; left: 32px; top: calc(100% + 1px); height: 9px; width: 2px; background: var(--gold-line); }
  .cycle-loop { margin-top: 16px; }

  /* --- CTA 배너 버튼 풀폭 --- */
  .cta-banner .btn { width: 100%; max-width: 360px; }

  /* --- 강사 카드 사진 비율 --- */
  .teacher__photo { aspect-ratio: 1 / 1; }

  /* --- 폼 카드 패딩 --- */
  .form-card { padding: 26px 22px; }
}

@media (max-width: 420px) {
  .wrap { padding: 0 18px; }
  .stat { padding: 22px 14px; }
}

/* =========================================================
   전환 강화 — 헤더 연락처 · 소프트 CTA · 플로팅 상담 버튼
   ========================================================= */
.gnb__contact { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.gnb__tel { font-size: 14px; font-weight: 700; color: var(--paper-ink); display: inline-flex; align-items: center; gap: 5px; white-space: nowrap; }
.gnb__tel:hover { color: var(--gold-ink); }
.gnb__kakao { font-size: 13px; font-weight: 700; color: var(--gold-ink); background: var(--gold-soft); border: 1px solid var(--gold-line); padding: 6px 13px; border-radius: 8px; white-space: nowrap; transition: background 0.2s; }
.gnb__kakao:hover { background: rgba(43, 138, 239, 0.18); }
.gnb__cta { margin-left: 16px; }

.hero__soft { display: inline-block; margin-top: 16px; font-size: 14.5px; font-weight: 600; color: var(--gold-ink); }
.hero__soft:hover { text-decoration: underline; }

.float-cta { position: fixed; right: 22px; bottom: 22px; z-index: 80; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.float-btn {
  display: flex; align-items: center; gap: 8px; height: 52px; padding: 0 20px 0 16px;
  border-radius: 999px; font-weight: 700; font-size: 15px;
  box-shadow: 0 10px 26px rgba(23, 34, 57, 0.20);
  transition: transform 0.15s var(--ease), box-shadow 0.2s;
}
.float-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(23, 34, 57, 0.28); }
.float-btn .ic { font-size: 18px; line-height: 1; }
.float-kakao { background: var(--gold); color: #ffffff; }
.float-tel { background: var(--navy-800); color: #fff; }

@media (max-width: 768px) {
  .gnb__contact { display: none; }
  .float-cta { display: none; }   /* 모바일은 하단 고정 바로 대체 */
}

/* =========================================================
   법정 문서 페이지 (legal.html)
   ========================================================= */
.legal { max-width: 820px; margin: 0 auto; }
.legal__notice { background: var(--gold-soft); border: 1px solid var(--gold-line); border-radius: 12px; padding: 16px 20px; font-size: 14px; color: var(--paper-ink); margin-bottom: 40px; }
.legal__notice b { color: var(--gold-ink); }
.legal article { padding: 28px 0; border-top: 1px solid var(--paper-line); }
.legal article:first-of-type { border-top: none; }
.legal h2 { font-size: 24px; font-weight: 800; margin-bottom: 6px; scroll-margin-top: calc(var(--gnb-h) + 16px); }
.legal .updated { font-size: 13px; color: var(--paper-mute); margin-bottom: 20px; }
.legal h3 { font-size: 16px; font-weight: 800; margin: 22px 0 8px; color: var(--paper-ink); }
.legal p, .legal li { font-size: 14.5px; color: var(--paper-mute); line-height: 1.75; }
.legal ul { margin: 8px 0 0; padding-left: 4px; }
.legal li { position: relative; padding-left: 16px; margin-bottom: 4px; }
.legal li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.legal table.info { width: 100%; border-collapse: collapse; margin-top: 10px; }
.legal table.info th, .legal table.info td { border: 1px solid var(--paper-line); padding: 10px 14px; font-size: 14px; text-align: left; }
.legal table.info th { background: var(--paper-soft); font-weight: 700; color: var(--paper-ink); white-space: nowrap; }
.legal table.info td { color: var(--paper-mute); }

/* =========================================================
   AI·로봇관 (국제 로봇대회 대비반)
   ========================================================= */
.notice-strip { width: 100%; line-height: 0; border-bottom: 1px solid var(--paper-line); }
.notice-strip img { width: 100%; display: block; }
.poster-wrap { max-width: 940px; margin: 0 auto; display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 38px; align-items: start; }
.poster-wrap > img { width: 100%; border-radius: var(--radius); border: 1px solid var(--paper-line); box-shadow: var(--shadow); }
.poster-info dl { display: grid; grid-template-columns: auto 1fr; gap: 14px 20px; margin-top: 4px; }
.poster-info dt { font-weight: 800; color: var(--gold-ink); font-size: 14px; white-space: nowrap; }
.poster-info dd { font-size: 15px; color: var(--paper-ink); line-height: 1.6; }
.schedule-list { display: grid; gap: 10px; margin-top: 8px; }
.schedule-list li { display: flex; gap: 12px; align-items: baseline; font-size: 15px; }
.schedule-list .when { font-weight: 800; color: var(--gold-ink); min-width: 92px; }
@media (max-width: 760px) {
  .poster-wrap { grid-template-columns: 1fr; gap: 26px; }
  .poster-wrap > img { max-width: 340px; margin: 0 auto; }
  .poster-info dl { grid-template-columns: 1fr; gap: 4px 0; }
  .poster-info dd { margin-bottom: 10px; }
}