/* ======================================================
   DAY BY KOREA — Landing v4 (4-page structure preview)
   Style: 기존 랜딩(v2)의 warm cream + vivid accent 시스템 유지
   Pages: home / study-abroad / reviews / about
   ====================================================== */

:root {
  /* Surface — warm cream base */
  --bg: #faf7f2;
  --surface: #ffffff;
  --surface-elev: #fffdf9;

  /* Ink scale */
  --ink: #18181b;
  --ink-2: #3f3f46;
  --ink-3: #71717a;
  --ink-4: #a1a1aa;

  /* Borders */
  --border: #ece8df;
  --border-strong: rgba(24, 24, 27, 0.4);

  /* Brand & accents */
  --brand: #d41500;
  --brand-2: #ff4d3d;
  --coral: #ff6b6b;
  --amber: #ffa94d;
  --rose: #ff4d8d;
  --violet: #845ef7;
  --indigo: #5c7cfa;
  --cyan: #38d9d9;
  --mint: #51cf66;

  /* Gradients */
  --grad-hero:
    radial-gradient(60% 50% at 20% 10%, rgba(255, 107, 107, 0.20), transparent 55%),
    radial-gradient(50% 45% at 85% 15%, rgba(132, 94, 247, 0.18), transparent 55%),
    radial-gradient(55% 50% at 70% 70%, rgba(255, 77, 141, 0.14), transparent 55%),
    radial-gradient(60% 55% at 10% 80%, rgba(56, 217, 217, 0.16), transparent 55%),
    radial-gradient(70% 45% at 50% 45%, rgba(255, 169, 77, 0.10), transparent 55%);
  --grad-cta: linear-gradient(135deg, #d41500 0%, #ff4d8d 50%, #845ef7 100%);
  --grad-orb-1: linear-gradient(135deg, #ff6b6b, #ffa94d);
  --grad-orb-2: linear-gradient(135deg, #845ef7, #5c7cfa);
  --grad-orb-3: linear-gradient(135deg, #38d9d9, #51cf66);

  /* Shadows */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.6) inset, 0 1px 2px rgba(24, 24, 27, 0.04);
  --shadow-elev: 0 12px 40px rgba(24, 24, 27, 0.08), 0 2px 6px rgba(24, 24, 27, 0.04);
  --shadow-pill: rgba(255, 255, 255, 0.2) 0px 0.5px 0px 0px inset,
                 rgba(0, 0, 0, 0.2) 0px 0px 0px 0.5px inset,
                 rgba(0, 0, 0, 0.08) 0px 1px 2px 0px;
  --shadow-glow: 0 20px 50px rgba(212, 21, 0, 0.25);

  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
/* overflow-x는 html에 — body에 주면 body가 스크롤 컨테이너가 되어 sticky GNB가 깨진다 (R3 ①) */
html { overflow-x: hidden; }
body {
  font-family: 'Inter', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all; /* 한국어 단어 중간 줄바꿈 방지 */
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.display { font-family: 'Plus Jakarta Sans', 'Pretendard', 'Inter', sans-serif; letter-spacing: -0.02em; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grad-text { background: var(--grad-cta); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kr-sub {
  display: block; font-family: 'Pretendard', sans-serif; font-size: 0.44em;
  font-weight: 700; color: var(--ink-3); letter-spacing: -0.01em; margin-top: 10px; opacity: 0.72;
}

/* ============ ANNOUNCEMENT BAR ============ */
.announce {
  background: var(--ink); color: #fff; font-size: 13.5px; text-align: center; padding: 10px 16px;
}
.announce b { color: #ffd43b; }
.announce a { text-decoration: underline; text-underline-offset: 3px; font-weight: 600; }

/* ============ NAV ============ */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 242, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 15px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 18px; letter-spacing: -0.01em;
}
.nav-brand-mark { width: 32px; height: 32px; border-radius: 10px; background: var(--grad-cta); box-shadow: var(--shadow-glow); }
.nav-brand-ko {
  font-family: 'Pretendard', sans-serif; font-size: 12.5px; font-weight: 700; color: var(--ink-3);
  padding-left: 10px; margin-left: 2px; border-left: 1px solid var(--border); line-height: 1.2;
}
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a { font-size: 14.5px; font-weight: 500; color: var(--ink-2); transition: color 0.15s; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--brand); font-weight: 700; }
.nav-cta-group { display: flex; gap: 10px; align-items: center; }

/* Category dropdown */
.nav-dd { position: relative; }
.nav-dd > a::after { content: ' ▾'; font-size: 10px; color: var(--ink-4); }
.nav-dd-menu {
  position: absolute; top: calc(100% + 12px); left: -14px; min-width: 210px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md);
  box-shadow: var(--shadow-elev); padding: 8px; display: none; z-index: 60;
}
.nav-dd:hover .nav-dd-menu, .nav-dd:focus-within .nav-dd-menu { display: block; }
.nav-dd-menu a {
  display: block; padding: 9px 12px; border-radius: var(--r-sm); font-size: 14px; color: var(--ink-2);
}
.nav-dd-menu a:hover { background: var(--bg); color: var(--ink); }
.nav-dd-menu .dd-label {
  font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-4); padding: 8px 12px 4px;
}
@media (max-width: 860px) { .nav-links { display: none; } .nav-brand-ko { display: none; } }

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 600; font-size: 15px; line-height: 1;
  padding: 12px 22px; border-radius: var(--r-full); border: none; cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.15s; white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); opacity: 0.92; }
.btn-primary { background: var(--grad-cta); color: #fff; box-shadow: var(--shadow-glow), var(--shadow-pill); }
.btn-primary:hover { box-shadow: 0 24px 60px rgba(212, 21, 0, 0.32), var(--shadow-pill); }
.btn-ghost { background: transparent; color: var(--ink); border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: rgba(24, 24, 27, 0.04); }
.btn-dark { background: var(--ink); color: #fff; box-shadow: var(--shadow-pill); }
.btn-dark:hover { background: #2c2c31; }
.btn-lg { font-size: 16px; padding: 16px 30px; }
.btn-sm { font-size: 13.5px; padding: 9px 16px; }

/* ============ SECTIONS ============ */
section { position: relative; padding: 96px 0; }
.section-eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--brand); margin-bottom: 14px;
}
.section-title { font-size: clamp(30px, 4.2vw, 50px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.12; margin-bottom: 18px; }
.section-sub { max-width: 640px; font-size: 17px; color: var(--ink-3); line-height: 1.6; }
.section-head { text-align: center; margin-bottom: 52px; }
.section-head .section-sub { margin: 0 auto; }
.section-head-row {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  margin-bottom: 36px; flex-wrap: wrap;
}
.see-all { font-size: 14.5px; font-weight: 600; color: var(--ink-2); }
.see-all:hover { color: var(--brand); }

/* ============ CARDS (generic) ============ */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

/* ============ COURSE CARDS ============ */
/* 팀 피드백 R1(2026-09-01): 카드 축소 — 4열, 태블릿 3열, 모바일 2열 */
.course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.course-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow-card); transition: transform 0.2s, box-shadow 0.2s;
  display: flex; flex-direction: column; position: relative;
}
.course-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-elev); }
.course-thumb {
  aspect-ratio: 16 / 8.5; background:
    repeating-linear-gradient(45deg, #f2ede4, #f2ede4 12px, #ece6da 12px, #ece6da 24px);
  display: grid; place-items: center; color: var(--ink-4); font-size: 12px; letter-spacing: 0.08em;
  position: relative;
}
.course-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.course-flag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: var(--brand); color: #fff; font-size: 11px; font-weight: 800; letter-spacing: 0.06em;
  padding: 5px 10px; border-radius: var(--r-sm);
}
.course-flag.top { background: var(--ink); }
.course-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.course-tags { display: flex; gap: 6px; margin-bottom: 4px; }
.course-tags .tag {
  font-size: 11.5px; font-weight: 700; padding: 4px 9px; border-radius: var(--r-sm);
  background: rgba(92, 124, 250, 0.12); color: var(--indigo);
}
.course-tags .tag.area { background: rgba(24, 24, 27, 0.06); color: var(--ink-2); }
.course-name { font-size: 16.5px; font-weight: 700; letter-spacing: -0.01em; line-height: 1.35; }
.course-desc { font-size: 13px; color: var(--ink-3); }
.course-meta { font-size: 12.5px; color: var(--ink-4); }
.course-rating { font-size: 12.5px; color: var(--ink-3); }
.course-price {
  margin-top: auto; padding-top: 14px; border-top: 1px dashed var(--border);
  display: flex; align-items: center; gap: 8px;
}
.price-was { font-size: 13px; color: var(--ink-4); text-decoration: line-through; }
.price-now { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 19px; font-weight: 800; color: var(--brand); }
.price-free {
  font-size: 11px; font-weight: 700; color: var(--brand); background: rgba(212, 21, 0, 0.08);
  padding: 4px 9px; border-radius: var(--r-full);
}
@media (max-width: 1024px) { .course-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) {
  .course-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  /* 모바일 2열에서 카드 내부가 압축되던 문제 — 타이포·패딩 컴팩트 (2026-09-08) */
  .course-body { padding: 12px 12px 14px; gap: 4px; }
  .course-name { font-size: 14px; }
  .course-desc { font-size: 12px; }
  .course-meta, .course-rating { font-size: 11.5px; }
  .course-tags .tag { font-size: 10.5px; padding: 3px 7px; }
  .course-price { padding-top: 10px; gap: 6px; flex-wrap: wrap; }
  .price-now { font-size: 16px; }
  .price-was { font-size: 11.5px; }
  .course-flag { top: 8px; left: 8px; font-size: 10px; padding: 4px 8px; }
}

/* 새로 올라온 강의 캐러셀 — 3개/줄, 초과 시 좌우 1개씩 이동 (팀 피드백 R3 ⑦) */
/* R4 ⑦: 화살표가 좌우 공간을 차지해 트랙이 좁아지고 다른 섹션과 좌우 정렬이 어긋나던 문제 —
   전 해상도에서 화살표를 카드 위 오버레이로 → 트랙 = 컨테이너 풀폭 (카드도 그만큼 커짐) */
.nc-shell { position: relative; }
.nc-viewport { overflow: hidden; }
.nc-track { display: flex; gap: 16px; transition: transform 0.35s ease; }
.nc-item { flex: 0 0 calc((100% - 32px) / 3); }
.nc-item .course-card { height: 100%; }
.nc-nav {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface);
  font-size: 1rem; font-weight: 800; color: var(--ink-2); cursor: pointer;
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 5;
  display: flex; align-items: center; justify-content: center; transition: all 0.15s;
  box-shadow: var(--shadow-elev); opacity: 0.95;
}
#ncPrev { left: -14px; } #ncNext { right: -14px; }
.nc-nav:hover:not(:disabled) { border-color: var(--ink-4); transform: translateY(-50%) scale(1.05); }
.nc-nav:disabled { opacity: 0.25; cursor: default; }
@media (max-width: 900px) { .nc-item { flex-basis: calc((100% - 16px) / 2); } }
@media (max-width: 560px) {
  .nc-item { flex-basis: 100%; }
  .nc-nav { width: 38px; height: 38px; }
  #ncPrev { left: 6px; } #ncNext { right: 6px; }
}

/* Filter chips */
.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-size: 13.5px; font-weight: 600; padding: 9px 18px; border-radius: var(--r-full);
  background: var(--surface); border: 1px solid var(--border); color: var(--ink-2);
  cursor: pointer; transition: all 0.15s; font-family: inherit;
}
.chip:hover { border-color: var(--border-strong); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ============ HERO (shared base) ============ */
.hero { position: relative; padding: 84px 0 92px; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: var(--grad-hero); pointer-events: none; z-index: 0; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.35; pointer-events: none; z-index: 0; }
.hero-orb-1 { top: -80px; left: -120px; width: 360px; height: 360px; background: var(--grad-orb-1); }
.hero-orb-2 { top: 120px; right: -100px; width: 320px; height: 320px; background: var(--grad-orb-2); }
.hero-inner { position: relative; z-index: 1; }
/* 모바일 반응형 정비(2026-09-08): 유학 히어로 등 인라인 style로 박혀 있던 다열 그리드를
   클래스로 승격 — 인라인은 미디어쿼리로 못 이겨 모바일에서 사진이 46px 띠로 짜부되던 문제 */
.hero-2col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.mini-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 860px) {
  .hero-2col { grid-template-columns: 1fr; gap: 28px; }
  .hero-2col .feat-visual.photo { min-height: 220px; }
}
@media (max-width: 560px) { .mini-2col { grid-template-columns: 1fr; } }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: var(--r-full);
  background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-card);
  font-size: 13px; font-weight: 600; color: var(--ink-2); margin-bottom: 26px;
}
.hero-eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--grad-orb-1); }
.hero-title { font-size: clamp(38px, 6vw, 70px); font-weight: 800; line-height: 1.04; letter-spacing: -0.04em; margin-bottom: 22px; }
.hero-sub { max-width: 620px; font-size: clamp(16px, 1.6vw, 18.5px); line-height: 1.6; color: var(--ink-3); margin-bottom: 32px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.hero-trust { display: flex; gap: 26px; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust span::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); }
.hero-center { text-align: center; }
.hero-center .hero-sub, .hero-center .hero-actions, .hero-center .hero-trust { margin-left: auto; margin-right: auto; justify-content: center; }

/* Banner slot (home) */
.banner-slot {
  position: relative; z-index: 1; margin-top: 8px; overflow: hidden;
  border: 1.5px dashed var(--border-strong); border-radius: var(--r-xl);
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.06), rgba(132, 94, 247, 0.06));
  min-height: 300px; display: grid; place-items: center; text-align: center;
  color: var(--ink-4); font-size: 13px; letter-spacing: 0.08em;
}
.banner-slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
/* R4 ④: 배너 등록 시 히어로 상하 패딩을 제거해 히어로 세로 = 배너 세로 */
.hero.hero-flush { padding: 0; }
.hero.hero-flush .banner-slot { margin-top: 0; }
/* R3 ④: 배너 등록 시 슬롯 높이를 이미지 규격(권장 2400×640 = 15:4) 비율로 고정 —
   히어로 세로 = 배너 세로가 되어 min-height(300px) 레터박스/잘림이 사라진다 */
.banner-slot.has-img { border-style: solid; border-color: var(--border); aspect-ratio: 15 / 4; min-height: 0; }
/* R3 ⑤⑥ + R4 ⑤: 배너 캐러셀 — 페이드 전환, 좌/우 화살표, 번호(1/5)+5초 Progress Bar (도트 폐지) */
.bn-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 0.5s ease; pointer-events: none; }
.bn-slide.on { opacity: 1; pointer-events: auto; }
.bn-slide a { display: block; position: absolute; inset: 0; }
.bn-nav {
  position: absolute; top: 50%; transform: translateY(-50%); left: 14px; z-index: 4;
  width: 40px; height: 40px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(0, 0, 0, 0.35); color: #fff; font-size: 1.1rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center; transition: background 0.15s, transform 0.15s;
}
.bn-nav:hover { background: rgba(0, 0, 0, 0.55); transform: translateY(-50%) scale(1.05); }
.bn-nav-r { left: auto; right: 14px; }
.bn-meta {
  position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); z-index: 4;
  display: flex; align-items: center; gap: 10px;
  background: rgba(0, 0, 0, 0.45); border-radius: 999px; padding: 6px 14px;
}
.bn-count { font-size: 12px; font-weight: 600; color: rgba(255, 255, 255, 0.75); letter-spacing: 0.04em; }
.bn-count b { color: #fff; font-weight: 800; }
.bn-progress { width: 72px; height: 3px; border-radius: 999px; background: rgba(255, 255, 255, 0.3); overflow: hidden; }
.bn-progress i { display: block; height: 100%; width: 0; background: #fff; border-radius: 999px; }
@media (max-width: 560px) { .bn-nav { width: 32px; height: 32px; left: 8px; } .bn-nav-r { left: auto; right: 8px; } .bn-progress { width: 52px; } }

/* ============ STATS BAND ============ */
.stat-band { padding: 52px 0; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stat-band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; text-align: center; }
.stat-num {
  font-family: 'Plus Jakarta Sans', sans-serif; font-size: clamp(28px, 3.4vw, 40px); font-weight: 800;
  letter-spacing: -0.03em; background: var(--grad-cta); -webkit-background-clip: text;
  background-clip: text; color: transparent; line-height: 1.15;
}
.stat-label { margin-top: 6px; font-size: 13.5px; color: var(--ink-3); font-weight: 500; }
.stat-delta { display: inline-block; font-size: 12px; font-weight: 700; color: var(--mint); background: rgba(81, 207, 102, 0.12); border-radius: var(--r-full); padding: 3px 9px; margin-left: 6px; vertical-align: middle; }
@media (max-width: 720px) { .stat-band-grid { grid-template-columns: repeat(2, 1fr); } }

/* ============ NUMBERED FEATURE ROWS (study-abroad 01~06) ============ */
.feat-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; margin-bottom: 96px;
}
.feat-row:last-child { margin-bottom: 0; }
.feat-row.rev .feat-copy { order: 2; }
.feat-row.rev .feat-visual { order: 1; }
.feat-no {
  font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 800; font-size: 15px; color: var(--brand);
  letter-spacing: 0.1em; margin-bottom: 12px; display: block;
}
.feat-title { font-size: clamp(24px, 2.8vw, 34px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 14px; }
.feat-desc { font-size: 15.5px; color: var(--ink-3); line-height: 1.7; margin-bottom: 22px; }
.feat-visual {
  border-radius: var(--r-xl); border: 1px solid var(--border); background: var(--surface);
  box-shadow: var(--shadow-elev); padding: 28px; min-height: 280px;
  display: flex; flex-direction: column; justify-content: center; gap: 12px;
}
.feat-visual.photo { padding: 0; overflow: hidden; min-height: 320px; position: relative; }
.feat-visual.photo img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.mini-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 14px 16px; font-size: 14px;
}
.mini-card b { font-size: 14.5px; }
.mini-card .sub { font-size: 12.5px; color: var(--ink-3); margin-top: 2px; }
.mini-card.accent { border-left: 3px solid var(--brand); }
.step-pill {
  display: inline-block; font-size: 11.5px; font-weight: 800; background: var(--ink); color: #fff;
  border-radius: var(--r-sm); padding: 4px 9px; margin-right: 8px;
}
@media (max-width: 860px) {
  .feat-row { grid-template-columns: 1fr; gap: 28px; margin-bottom: 72px; }
  .feat-row.rev .feat-copy { order: 1; } .feat-row.rev .feat-visual { order: 2; }
}

/* ============ COMPARE TABLE ============ */
.compare { display: grid; grid-template-columns: 1fr 1.1fr; border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-elev); max-width: 880px; margin: 0 auto; }
.compare-col { background: var(--surface); }
.compare-col.them { background: var(--bg); }
.compare-head { padding: 18px; text-align: center; font-weight: 800; font-size: 15.5px; letter-spacing: -0.01em; }
.compare-col.them .compare-head { background: var(--ink); color: #fff; }
.compare-col.us .compare-head { background: var(--grad-cta); color: #fff; }
.compare-cell { padding: 16px 22px; border-top: 1px solid var(--border); font-size: 14.5px; text-align: center; }
.compare-col.them .compare-cell { color: var(--ink-3); }
.compare-col.us .compare-cell { font-weight: 700; color: var(--brand); }
.compare-cell .x { color: var(--ink-4); margin-right: 6px; }
.compare-cell .v { color: var(--mint); margin-right: 6px; }
@media (max-width: 640px) { .compare { grid-template-columns: 1fr; } }

/* Compare — list style (about page) */
.vs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 940px; margin: 0 auto; }
.vs-card { border-radius: var(--r-xl); padding: 30px; border: 1px solid var(--border); }
.vs-card.old { background: var(--bg); }
.vs-card.new { background: var(--surface); border: 1.5px solid rgba(212, 21, 0, 0.35); box-shadow: 0 16px 48px rgba(212, 21, 0, 0.10); }
.vs-card .vs-k { font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 6px; display: block; }
.vs-card.old .vs-k { color: var(--ink-4); }
.vs-card.new .vs-k { color: var(--brand); }
.vs-card h3 { font-size: 21px; font-weight: 800; margin-bottom: 16px; }
.vs-card li { display: flex; gap: 10px; padding: 9px 0; font-size: 14.5px; align-items: baseline; }
.vs-card.old li { color: var(--ink-3); }
.vs-card li .ic { font-weight: 800; flex: none; }
.vs-card.old li .ic { color: var(--ink-4); }
.vs-card.new li .ic { color: var(--mint); }
@media (max-width: 720px) { .vs-grid { grid-template-columns: 1fr; } }

/* ============ BEFORE / AFTER (reviews) ============ */
.ba-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 22px; align-items: stretch; max-width: 940px; margin: 0 auto; }
.ba-arrow { align-self: center; font-size: 26px; color: var(--brand); font-weight: 800; }
.ba-card { border-radius: var(--r-xl); padding: 28px; }
.ba-card.before { background: var(--bg); border: 1px solid var(--border); }
.ba-card.after { background: var(--surface); border: 1.5px solid rgba(212, 21, 0, 0.4); box-shadow: 0 16px 48px rgba(212, 21, 0, 0.12); }
.ba-k { font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-4); }
.ba-card.after .ba-k { color: var(--brand); }
.ba-score { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 46px; font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin: 8px 0 2px; }
.ba-score small { font-size: 18px; color: var(--ink-4); font-weight: 600; }
.ba-level { font-size: 13.5px; font-weight: 700; color: var(--ink-3); margin-bottom: 18px; }
.ba-card.after .ba-level { color: var(--brand); }
.ba-row { display: flex; align-items: center; justify-content: space-between; font-size: 13.5px; margin-top: 12px; }
.ba-row .up { color: var(--mint); font-weight: 700; margin-left: 6px; }
.ba-bar { height: 7px; border-radius: var(--r-full); background: rgba(24, 24, 27, 0.08); margin-top: 6px; overflow: hidden; }
.ba-bar i { display: block; height: 100%; border-radius: var(--r-full); background: var(--ink-4); }
.ba-card.after .ba-bar i { background: var(--grad-cta); }
@media (max-width: 720px) { .ba-grid { grid-template-columns: 1fr; } .ba-arrow { transform: rotate(90deg); justify-self: center; } }

/* ============ REVIEW CARDS ============ */
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-card); padding: 24px; display: flex; flex-direction: column; gap: 14px; }
.review-stars { color: var(--amber); font-size: 14px; letter-spacing: 2px; }
.review-text { font-size: 14.5px; line-height: 1.65; color: var(--ink-2); flex: 1; }
.review-who { display: flex; gap: 12px; align-items: center; padding-top: 14px; border-top: 1px solid var(--border); }
.review-avatar {
  width: 38px; height: 38px; border-radius: 50%; background: var(--grad-orb-2);
  color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 15px; flex: none;
}
.review-name { font-size: 14px; font-weight: 700; }
.review-meta { font-size: 12px; color: var(--ink-3); }
@media (max-width: 900px) { .review-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .review-grid { grid-template-columns: 1fr; } }

/* ============ FAQ ============ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-list details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-md); padding: 18px 22px; margin-bottom: 12px; box-shadow: var(--shadow-card); }
.faq-list summary { font-weight: 700; font-size: 15.5px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; color: var(--brand); font-weight: 800; font-size: 20px; line-height: 1; }
.faq-list details[open] summary::after { content: '–'; }
.faq-list details p { color: var(--ink-3); font-size: 14.5px; margin-top: 12px; line-height: 1.7; }

/* ============ URGENT NOTICE (study-abroad) ============ */
.urgent {
  background: linear-gradient(100deg, #2b0703, #4a0d05 55%, #38104d);
  color: #fff; padding: 18px 0;
}
.urgent-inner { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.urgent-flag { background: var(--brand); font-size: 11.5px; font-weight: 800; letter-spacing: 0.06em; padding: 5px 11px; border-radius: var(--r-sm); flex: none; }
.urgent-msg { font-weight: 700; font-size: 15px; }
.urgent-sub { flex-basis: 100%; font-size: 12.5px; color: rgba(255, 255, 255, 0.62); }
.urgent-gauge { flex: 1; min-width: 140px; max-width: 220px; height: 8px; border-radius: var(--r-full); background: rgba(255, 255, 255, 0.18); overflow: hidden; margin-left: auto; }
.urgent-gauge i { display: block; height: 100%; width: 85%; background: linear-gradient(90deg, var(--brand-2), var(--rose), var(--violet)); }
.urgent-pct { font-size: 12.5px; font-weight: 800; background: rgba(255, 255, 255, 0.14); border-radius: var(--r-sm); padding: 4px 9px; }

/* ============ EXPERT CARDS ============ */
.expert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.expert-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.expert-photo { aspect-ratio: 4 / 3.4; background: linear-gradient(135deg, #ffe6ef, #e8defc); display: grid; place-items: center; color: var(--ink-4); font-size: 12px; letter-spacing: 0.08em; position: relative; }
.expert-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.expert-body { padding: 18px 20px 22px; }
.expert-role { font-size: 12px; font-weight: 800; color: var(--brand); letter-spacing: 0.06em; text-transform: uppercase; }
.expert-name { font-size: 17.5px; font-weight: 800; margin: 4px 0 6px; }
.expert-desc { font-size: 13.5px; color: var(--ink-3); line-height: 1.6; }
@media (max-width: 860px) { .expert-grid { grid-template-columns: 1fr; } }

/* ============ DARK BAND ============ */
.dark-band { background: #17131f; color: #fff; }
.dark-band .section-title { color: #fff; }
.dark-band .section-sub { color: rgba(255, 255, 255, 0.65); }
.dark-band .kr-sub { color: rgba(255, 255, 255, 0.5); }
.mentor-types { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--r-lg); overflow: hidden; margin-top: 48px; }
.mentor-type { background: #17131f; padding: 26px 22px; }
.mentor-type .emoji { font-size: 24px; margin-bottom: 12px; display: block; }
.mentor-type h4 { font-size: 15.5px; font-weight: 800; color: var(--rose); margin-bottom: 12px; }
.mentor-type li { font-size: 13px; color: rgba(255, 255, 255, 0.68); padding: 4px 0; border-top: 1px dashed rgba(255, 255, 255, 0.12); }
.mentor-type li:first-of-type { border-top: none; }
@media (max-width: 860px) { .mentor-types { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .mentor-types { grid-template-columns: 1fr; } }

/* ============ QUIZ DEMO (about) ============ */
.quiz-demo { max-width: 720px; margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-elev); padding: 30px; }
.quiz-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.quiz-no { font-size: 13px; font-weight: 800; color: var(--brand); }
.quiz-tag { font-size: 12px; font-weight: 700; color: var(--ink-3); }
.quiz-q { font-size: 17px; font-weight: 700; margin-bottom: 18px; line-height: 1.5; }
.quiz-opt {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; font-family: inherit;
  border: 1.5px solid var(--border); background: var(--surface); border-radius: var(--r-md);
  padding: 13px 16px; font-size: 14.5px; margin-bottom: 10px; cursor: pointer; transition: all 0.15s;
}
.quiz-opt:hover { border-color: var(--border-strong); background: var(--bg); }
.quiz-opt.correct { border-color: var(--mint); background: rgba(81, 207, 102, 0.1); }
.quiz-opt.wrong { border-color: var(--brand-2); background: rgba(212, 21, 0, 0.06); }
.quiz-opt .no { width: 24px; height: 24px; border-radius: 50%; border: 1.5px solid var(--border-strong); display: grid; place-items: center; font-size: 12px; font-weight: 700; flex: none; }
.quiz-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; }
.quiz-note { font-size: 12.5px; color: var(--ink-4); }

/* ============ PILLARS (about 4대 기둥) ============ */
.pillar-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pillar { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); box-shadow: var(--shadow-card); padding: 28px; }
.pillar-no { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: var(--r-sm); background: rgba(212, 21, 0, 0.1); color: var(--brand); font-weight: 800; font-size: 14px; margin-right: 10px; }
.pillar-k { font-size: 12.5px; font-weight: 700; color: var(--ink-3); }
.pillar h3 { font-size: 19px; font-weight: 800; margin: 12px 0 8px; letter-spacing: -0.01em; }
.pillar p { font-size: 14px; color: var(--ink-3); line-height: 1.65; margin-bottom: 18px; }
.pillar-shot { border-radius: var(--r-md); border: 1px solid var(--border); aspect-ratio: 16 / 7.5; background:
  repeating-linear-gradient(45deg, #f2ede4, #f2ede4 12px, #ece6da 12px, #ece6da 24px);
  display: grid; place-items: center; color: var(--ink-4); font-size: 12px; letter-spacing: 0.08em; overflow: hidden; position: relative; }
.pillar-shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; }
@media (max-width: 820px) { .pillar-grid { grid-template-columns: 1fr; } }

/* ============ TEACHER CARDS (about) ============ */
.teacher-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.teacher-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.teacher-photo { aspect-ratio: 1 / 0.82; background: linear-gradient(135deg, #e8ecfd, #f4defc); position: relative; }
.teacher-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.teacher-body { padding: 16px 20px 20px; }
.teacher-name { font-size: 17px; font-weight: 800; }
.teacher-role { font-size: 12.5px; font-weight: 700; color: var(--brand); margin: 3px 0 8px; }
.teacher-bio { font-size: 13px; color: var(--ink-3); line-height: 1.6; }
@media (max-width: 860px) { .teacher-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .teacher-grid { grid-template-columns: 1fr; } }

/* ============ CTA BAND ============ */
.cta-band { padding: 90px 0; }
.cta-card {
  position: relative; overflow: hidden; text-align: center; border-radius: 28px; padding: 64px 32px;
  background: var(--ink); color: #fff; box-shadow: var(--shadow-elev);
}
.cta-card::before { content: ''; position: absolute; inset: 0; background:
  radial-gradient(50% 60% at 20% 20%, rgba(255, 77, 141, 0.25), transparent 60%),
  radial-gradient(50% 60% at 85% 75%, rgba(132, 94, 247, 0.28), transparent 60%); }
.cta-card > * { position: relative; }
.cta-card h2 { font-size: clamp(28px, 3.8vw, 44px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 14px; }
.cta-card p { color: rgba(255, 255, 255, 0.68); font-size: 16.5px; margin-bottom: 30px; }

/* ============ FOOTER ============ */
footer { background: var(--surface); border-top: 1px solid var(--border); padding: 56px 0 42px; font-size: 14px; color: var(--ink-3); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.foot-tagline { margin-top: 14px; font-size: 13.5px; max-width: 30ch; line-height: 1.7; }
.foot-h { font-size: 12px; font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 14px; }
.foot-col a, .foot-col span { display: block; font-size: 13.5px; padding: 4px 0; color: var(--ink-3); }
.foot-col a:hover { color: var(--ink); }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; font-size: 12.5px; color: var(--ink-4); }
@media (max-width: 820px) { .foot-grid { grid-template-columns: 1fr 1fr; } }

/* ============ MISC ============ */
.proto-flag {
  position: fixed; bottom: 16px; right: 16px; z-index: 999; background: var(--ink); color: #fff;
  font-size: 12px; font-weight: 700; padding: 8px 14px; border-radius: var(--r-full);
  box-shadow: var(--shadow-elev); opacity: 0.92;
}
.ph-note { font-size: 11.5px; font-weight: 700; color: var(--amber); letter-spacing: 0.04em; text-transform: uppercase; }

/* 서비스 소개 및 수강생 후기 — 기획 요구: 폰트 연하게 */
.nav-links a.nav-soft { color: var(--ink-4); font-weight: 400; }
.nav-links a.nav-soft:hover { color: var(--ink-2); }
.nav-links a.nav-soft.active { color: var(--ink-3); font-weight: 500; }