/* ============================================================
   onepage-30.css — 이지톡잉글리시 메인 랜딩 (시안·그린·라임 주니어 톤)
   ============================================================ */

:root {
    --max: 1240px;
    --pad: clamp(20px, 4vw, 40px);
    --s-y: clamp(60px, 7vw, 100px);
    --r: 20px;
    --r-lg: 28px;
    --c1: #06B6D4;      /* 시안 */
    --c2: #14B8A6;      /* 틸 */
    --c3: #84CC16;      /* 라임 */
    --c4: #FBBF24;      /* 앰버 */
    --deep: #0F766E;    /* 다크 틸 */
    --deep2: #134E4A;
    --ink: #1E293B;
    --ink2: #475569;
    --ink3: #94A3B8;
    --line: #E2E8F0;
    --soft: #F0FDFA;
    --soft2: #F7FEE7;
    --white: #FFFFFF;

    /* 히어로 (onepage-20 계열) */
    --carrot: #FF8C42;       /* 당근 - 메인 */
    --carrot-2: #FFA867;     /* 당근 라이트 */
    --coral: #FF6B6B;        /* 코랄 */
    --sunny: #FFD93D;        /* 해바라기 */
    --r-sm: 14px;
    --r-full: 999px;
    --ease: cubic-bezier(0.34, 1.56, 0.64, 1);
    --font-cute: 'Jua', 'Pretendard Variable', Pretendard, sans-serif;
}

.op30 { font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, 'Malgun Gothic', sans-serif; color: var(--ink); font-size: 17px; line-height: 1.7; overflow-x: hidden; }
.op30 * { box-sizing: border-box; }
.op30 h1, .op30 h2, .op30 h3, .op30 h4 { line-height: 1.3; }
.op30 a { text-decoration: none; color: inherit; }
.op30 ul, .op30 ol { list-style: none; padding: 0; margin: 0; }
.op30 img { max-width: 100%; }
.op30 em { font-style: normal; }

.op30-container { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }
.op30-narrow { max-width: 820px; }
.op30-br { display: none; }

/* ============ 섹션 공통 ============ */
.op30-section { padding: var(--s-y) 0; background: var(--white); }

/* 섹션별 배경색 (파스텔 톤) */
.op30-bg-warm   { background: #FFF7ED; }   /* 따뜻한 크림 */
.op30-bg-cyan   { background: #ECFEFF; }   /* 시안 */
.op30-bg-lime   { background: #F7FEE7; }   /* 라임 */
.op30-bg-amber  { background: #FFFBEB; }   /* 앰버 */
.op30-bg-teal   { background: #F0FDFA; }   /* 틸 */
.op30-bg-violet { background: #F5F3FF; }   /* 바이올렛 */

.op30-head { text-align: center; max-width: 720px; margin: 0 auto clamp(36px, 5vw, 56px); }
.op30-eyebrow { display: inline-block; padding: 7px 18px; border-radius: 999px; background: #E0F2FE; color: #0369A1; font-size: 14px; font-weight: 800; letter-spacing: .08em; margin-bottom: 14px; }
.op30-title { font-family: 'Jua', 'Pretendard Variable', sans-serif; font-size: clamp(28px, 4.2vw, 40px); font-weight: 400; color: var(--ink); letter-spacing: -0.01em; }
.op30-hl { background: linear-gradient(120deg, var(--c1) 0%, var(--c2) 50%, var(--c3) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.op30-desc { margin-top: 12px; font-size: 17px; color: var(--ink2); }

/* ============ 버튼 ============ */
.op30-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 15px 30px; border-radius: 14px; font-size: 17px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; cursor: pointer; min-height: 54px; }
.op30-btn:hover { transform: translateY(-2px); }
.op30-btn-primary { background: linear-gradient(135deg, var(--c2) 0%, var(--c3) 100%); color: #fff; box-shadow: 0 8px 22px -8px rgba(20, 184, 166, .55); }
.op30-btn-primary:hover { box-shadow: 0 12px 28px -8px rgba(20, 184, 166, .7); }
.op30-btn-dark { background: var(--deep2); color: #fff !important; }
.op30-btn-dark:hover { background: #0B3C39; }
.op30-btn-white { background: #fff; color: var(--deep); box-shadow: 0 8px 24px -10px rgba(0, 0, 0, .35); }
.op30-btn-white:hover { box-shadow: 0 12px 30px -10px rgba(0, 0, 0, .4); }
.op30-btn-ghost { background: rgba(255, 255, 255, .14); border: 1.5px solid rgba(255, 255, 255, .55); color: #fff; backdrop-filter: blur(6px); }
.op30-btn-lg { padding: 17px 34px; font-size: 17px; }
.op30-link { color: var(--deep); font-weight: 800; font-size: 15px; }

/* ============ 그리드 ============ */
.op30-grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.op30-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 28px; }

/* ============ 1. Hero (onepage-20 전체 이식) ============ */
.op30-hero { height: 100vh; min-height: 720px; min-height: 100svh; position: relative; overflow: hidden; background: var(--ink); color: #fff; }

.op30 .hero-slides { position: absolute; inset: 0; z-index: 0; }
.op30 .hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s var(--ease); background-color: transparent; background-size: cover; background-position: center; background-repeat: no-repeat; }
.op30 .hero-slide.active { opacity: 1; }
.op30 .hero-slide::after {
    content: ''; position: absolute; inset: 0;
    background: transparent;
}

.op30 .hero-content { position: relative; z-index: 2; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; max-width: var(--max); margin: 0 auto; padding: 100px var(--pad) 80px; }
.op30 .hero-copy { max-width: 640px; text-align: center; background: rgba(255, 255, 255, 0.86); border: 1px solid rgba(255, 255, 255, 0.6); border-radius: 28px; padding: 44px 52px; box-shadow: 0 18px 52px rgba(15, 14, 23, 0.18); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.op30 .hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; background: rgba(15, 14, 23, 0.35);
    border: 2px solid rgba(255, 140, 66, 0.5);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    border-radius: var(--r-full);
    font-size: 13px; font-weight: 700; color: #0F766E;
    text-shadow: none;
    margin-bottom: 22px;
}
.op30 .hero-title { font-family: var(--font-cute); font-size: clamp(40px, 6vw, 76px); line-height: 1.1; margin-bottom: 24px; color: var(--ink); text-shadow: none; }
.op30 .hero-title .hl { position: relative; display: inline-block; color: var(--carrot-2); z-index: 1; }
.op30 .hero-title .hl::after { content: ''; position: absolute; left: -2px; right: -2px; bottom: 4px; height: 14px; background: var(--sunny); z-index: -1; border-radius: 8px; transform: rotate(-1deg); }
.op30 .hero-sub { font-size: clamp(15px, 1.4vw, 19px); color: var(--ink2); text-shadow: none; margin-bottom: 36px; line-height: 1.7; max-width: 500px; }
.op30 .hero-sub strong { color: var(--carrot-2); font-weight: 700; }
.op30 .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; margin-bottom: 32px; }

.op30 .btn { display: inline-flex; align-items: center; gap: 8px; padding: 18px 32px; border-radius: var(--r-full); font-family: var(--font-cute); font-size: 18px; transition: all 0.3s var(--ease); cursor: pointer; white-space: nowrap; border: 3px solid transparent; }
.op30 .btn:hover { transform: translateY(-3px); }
.op30 .btn:active { transform: translateY(-1px); }
.op30 .btn-primary { background: var(--carrot); color: #fff; box-shadow: 0 10px 30px rgba(255, 140, 66, 0.5); }
.op30 .btn-primary:hover { background: var(--coral); box-shadow: 0 16px 40px rgba(255, 107, 107, 0.5); }
.op30 .btn-ghost { background: rgba(255, 255, 255, 0.65); color: var(--ink); border: 2px solid rgba(15, 23, 42, 0.25); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.op30 .btn-ghost:hover { background: #fff; border-color: var(--carrot); color: var(--carrot); }

.op30 .hero-badges { display: flex; gap: 12px; flex-wrap: wrap; }
.op30 .hero-badge-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: rgba(255, 255, 255, 0.7); border: 1px solid rgba(15, 23, 42, 0.14); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-radius: var(--r-full); font-size: 12px; font-weight: 600; color: var(--ink2); }

.op30 .hero-dots { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px; z-index: 3; }
.op30 .hero-dot { width: 12px; height: 12px; background: rgba(15, 23, 42, 0.3); border-radius: var(--r-full); cursor: pointer; transition: all 0.3s; border: 0; }
.op30 .hero-dot.active { width: 36px; background: var(--carrot); }

/* 모바일 전용 슬라이드 (2026-08-16 — 밝은 히어로 전환) */
.op30 .hero-slide--mobile { display: none; }

/* 플로팅 패널 (onepage-20 이식) */
.op30-floating { position: absolute; top: 50%; right: clamp(16px, 3vw, 40px); transform: translateY(-50%); z-index: 10; width: 230px; background: rgba(30, 30, 40, 0.88); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.14); border-radius: var(--r); padding: 20px 16px; color: rgba(255, 255, 255, 0.9); font-size: 13px; }
.op30-floating-badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; background: var(--carrot); color: #fff; border-radius: var(--r-full); font-family: var(--font-cute); font-size: 11px; margin-bottom: 6px; }
.op30-floating-event strong { display: block; font-size: 15px; color: #fff; font-weight: 700; margin-bottom: 2px; }
.op30-floating-event small { color: var(--carrot-2); font-size: 11px; }
.op30-floating-div { height: 1px; background: rgba(255, 255, 255, 0.12); margin: 14px 0; }
.op30-floating-notice-label { display: flex; align-items: center; gap: 4px; font-family: var(--font-cute); font-size: 13px; color: var(--carrot-2); margin-bottom: 8px; }
.op30-floating-notice-roller { overflow: hidden; height: 36px; position: relative; }
.op30-floating-notice-roller li { position: absolute; width: 100%; opacity: 0; transform: translateY(10px); transition: all 0.4s var(--ease); font-size: 12px; color: rgba(255, 255, 255, 0.8); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.op30-floating-notice-roller li.active { opacity: 1; transform: translateY(0); }
.op30-floating-notice-roller li a { display: block; color: rgba(255, 255, 255, 0.8); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.op30-floating-notice-roller li a:hover { color: #FDE68A; }
.op30-floating-actions { display: flex; flex-direction: column; gap: 8px; }
.op30-floating-btn { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: rgba(255, 255, 255, 0.08); border-radius: var(--r-sm); color: #fff; font-size: 13px; font-family: var(--font-cute); transition: all 0.3s; cursor: pointer; }
.op30-floating-btn:hover { background: rgba(255, 255, 255, 0.18); transform: translateX(4px); }
.op30-floating-phone { text-align: center; font-size: 12px; color: rgba(255, 255, 255, 0.5); padding-top: 10px; }
.op30-floating-phone strong { display: block; font-size: 17px; color: var(--carrot-2); font-family: var(--font-cute); }

/* ============ 2. Pain Points ============ */
.op30-pain-card { text-align: center; border-top: 4px solid var(--line); transition: transform .25s, box-shadow .25s, border-color .25s; }
.op30-pain-card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -16px rgba(15, 23, 42, .14); }
.op30-pain-card:nth-child(1) { border-top-color: #FCA5A5; }
.op30-pain-card:nth-child(2) { border-top-color: #FCD34D; }
.op30-pain-card:nth-child(3) { border-top-color: #67E8F9; }
.op30-pain-emoji { font-size: 40px; margin-bottom: 12px; }
.op30-pain-card h3 { font-size: 18px; color: var(--ink); margin-bottom: 10px; }
.op30-pain-card p { font-size: 16px; color: var(--ink2); line-height: 1.7; }

/* ============ 3. Solution 4단계 ============ */
.op30-pillar-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.op30-pillar { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px 24px; text-align: center; transition: transform .25s, box-shadow .25s; position: relative; overflow: hidden; }
.op30-pillar:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -16px rgba(15, 23, 42, .14); }
.op30-pillar-step { position: absolute; top: 14px; right: 16px; font-size: 10px; font-weight: 900; letter-spacing: .12em; color: var(--ink3); }
.op30-pillar-ico { width: 62px; height: 62px; border-radius: 18px; margin: 0 auto 16px; display: flex; align-items: center; justify-content: center; font-size: 30px; }
.op30-pillar-ico.c1 { background: linear-gradient(135deg, #CFFAFE, #E0F2FE); }
.op30-pillar-ico.c2 { background: linear-gradient(135deg, #CCFBF1, #D1FAE5); }
.op30-pillar-ico.c3 { background: linear-gradient(135deg, #ECFCCB, #FEF9C3); }
.op30-pillar-ico.c4 { background: linear-gradient(135deg, #FFEDD5, #FEE2E2); }
.op30-pillar h3 { font-size: 18px; margin-bottom: 8px; }
.op30-pillar p { font-size: 15.5px; color: var(--ink2); line-height: 1.7; }

/* ============ 4. 3대 프로그램 (전체 출력) ============ */
.op30-program-panel { display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 36px); box-shadow: 0 20px 50px -30px rgba(15, 23, 42, .25); margin-bottom: 28px; }
.op30-program-panel:last-child { margin-bottom: 0; }

.op30-panel-top { display: grid; grid-template-columns: 300px 1fr; gap: 26px; align-items: center; margin-bottom: 28px; }
.op30-panel-thumb { height: 190px; border-radius: 18px; background-size: cover; background-position: center; background-color: #E2E8F0; }
.op30-thumb-grad { display: flex; align-items: center; justify-content: center; font-size: 74px; }
.op30-thumb-raz { background: linear-gradient(135deg, #CFFAFE, #D9F99D); }
.op30-panel-tag { display: inline-block; background: var(--soft); color: var(--deep); border: 1px solid #99F6E4; padding: 5px 14px; border-radius: 999px; font-size: 13px; font-weight: 800; margin-bottom: 10px; }
.op30-panel-info h3 { font-size: clamp(22px, 2.6vw, 28px); }
.op30-panel-info h3 em { font-size: 14px; color: var(--c2); font-weight: 800; margin-left: 6px; }
.op30-panel-info p { margin: 10px 0 14px; font-size: 16px; color: var(--ink2); line-height: 1.75; }

.op30-course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.op30-course-group h4 { font-size: 15px; color: var(--deep); margin-bottom: 10px; }
.op30-course-chip { background: var(--soft); border: 1px solid #CCFBF1; border-radius: 14px; padding: 12px 14px; margin-bottom: 8px; }
.op30-course-chip strong { display: block; font-size: 15px; }
.op30-course-chip span { display: block; margin-top: 3px; font-size: 13px; color: var(--ink2); }

.op30-feature-card { text-align: center; }
.op30-feature-ico { width: 56px; height: 56px; border-radius: 16px; background: var(--soft); margin: 0 auto 14px; display: flex; align-items: center; justify-content: center; font-size: 27px; }
.op30-feature-card h4 { font-size: 17px; margin-bottom: 8px; }
.op30-feature-card p { font-size: 15.5px; color: var(--ink2); line-height: 1.7; }

.op30-panel-cta { margin-top: 26px; text-align: center; }

/* ============ 5. 레벨 트랙 ============ */
.op30-level-track { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(24px, 3.5vw, 40px) clamp(16px, 3vw, 36px); box-shadow: 0 20px 50px -32px rgba(15, 23, 42, .28); }
.op30-level-line { position: absolute; top: 44px; left: 9%; right: 9%; height: 3px; background: var(--line); z-index: 0; }
.op30-level-fill { position: absolute; top: 44px; left: 9%; width: 0; height: 3px; background: linear-gradient(90deg, var(--c1), var(--c2), var(--c3)); z-index: 0; transition: width 1.2s ease; }
.op30-level-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }
.op30-level-item { text-align: center; }
.op30-level-num { width: 46px; height: 46px; margin: 0 auto; border-radius: 50%; background: #fff; border: 3px solid var(--c2); display: flex; align-items: center; justify-content: center; font-family: 'Jua', sans-serif; font-size: 17px; color: var(--deep); }
.op30-level-item:nth-child(2n) .op30-level-num { border-color: var(--c3); }
.op30-level-name { margin-top: 10px; font-size: 15px; font-weight: 800; }
.op30-level-ar { margin-top: 3px; font-size: 12.5px; color: var(--ink3); font-weight: 600; }
.op30-level-groups { margin-top: 26px; display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.op30-level-g { padding: 7px 18px; border-radius: 999px; font-size: 13.5px; font-weight: 800; }
.op30-level-g-kids { background: #CFFAFE; color: #0E7490; }
.op30-level-g-pri { background: #D1FAE5; color: #047857; }
.op30-level-g-sec { background: #ECFCCB; color: #4D7C0F; }
.op30-level-cta { margin-top: 28px; text-align: center; }

/* ============ 6. 수강 절차 5 STEP ============ */
.op30-step-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.op30-step { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px 18px; text-align: center; position: relative; transition: transform .25s, box-shadow .25s; }
.op30-step:hover { transform: translateY(-4px); box-shadow: 0 16px 36px -16px rgba(15, 23, 42, .14); }
.op30-step-num { position: absolute; top: 12px; right: 14px; font-family: 'Jua', sans-serif; font-size: 20px; color: var(--ink3); }
.op30-step-ico { width: 54px; height: 54px; border-radius: 16px; margin: 0 auto 14px; background: var(--soft); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.op30-step h3 { font-size: 16.5px; margin-bottom: 6px; }
.op30-step p { font-size: 14px; color: var(--ink2); line-height: 1.6; }

/* ============ 7. 해피아워 ============ */
.op30-happy { background: linear-gradient(130deg, #F59E0B 0%, #FBBF24 45%, #84CC16 100%); border-radius: var(--r-lg); padding: clamp(28px, 4vw, 48px); display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; color: #fff; overflow: hidden; position: relative; }
.op30-happy-badge { display: inline-block; background: rgba(255, 255, 255, .25); border: 1px solid rgba(255, 255, 255, .5); padding: 6px 16px; border-radius: 999px; font-size: 12px; font-weight: 800; margin-bottom: 14px; }
.op30-happy-copy h2 { font-family: 'Jua', sans-serif; font-weight: 400; font-size: clamp(24px, 3.4vw, 34px); }
.op30-happy-hl { color: #FFF7ED; }
.op30-happy-copy p { margin: 14px 0 22px; font-size: 14px; color: rgba(255, 255, 255, .95); }
.op30-happy-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.op30-happy-card { background: #fff; border-radius: 16px; padding: 16px; color: var(--ink); position: relative; }
.op30-happy-disc { position: absolute; top: -10px; right: 12px; background: var(--deep); color: #fff; font-size: 10.5px; font-weight: 900; padding: 3px 10px; border-radius: 999px; }
.op30-happy-plan { font-size: 12px; font-weight: 700; color: var(--ink2); }
.op30-happy-price { margin-top: 6px; font-size: 13px; color: var(--ink2); }
.op30-happy-price strong { font-family: 'Jua', sans-serif; font-size: 24px; color: var(--deep); margin-right: 2px; }
.op30-happy-total { margin-top: 4px; font-size: 11px; color: var(--ink3); font-weight: 600; }

/* ============ 8. 강사진 ============ */
.op30-tutor { background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; transition: transform .25s, box-shadow .25s; }
.op30-tutor:hover { transform: translateY(-5px); box-shadow: 0 18px 40px -16px rgba(15, 23, 42, .16); }
.op30-tutor-img { position: relative; aspect-ratio: 4/3.4; overflow: hidden; background: var(--soft); }
.op30-tutor-img img { width: 100%; height: 100%; object-fit: cover; }
.op30-tutor-badge { position: absolute; top: 12px; left: 12px; background: rgba(0, 0, 0, .55); color: #fff; padding: 4px 12px; border-radius: 999px; font-size: 11px; font-weight: 800; backdrop-filter: blur(4px); }
.op30-tutor-body { padding: 20px; }
.op30-tutor-body h3 { font-size: 18px; }
.op30-tutor-from { margin: 4px 0 10px; font-size: 14px; color: var(--ink2); }
.op30-tutor-tag { display: inline-block; background: var(--soft); border: 1px solid #CCFBF1; color: var(--deep); font-size: 13px; font-weight: 700; padding: 5px 12px; border-radius: 999px; margin: 0 6px 6px 0; }

/* ============ 9. 후기 ============ */
.op30-review { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.op30-review:hover { transform: scale(1.015); box-shadow: 0 16px 36px -16px rgba(15, 23, 42, .12); }
.op30-stars { color: #F59E0B; font-size: 14px; letter-spacing: 2px; }
.op30-review-quote { margin: 12px 0 10px; font-size: 16px; line-height: 1.75; color: var(--ink); flex: 1; }
.op30-review-child { font-size: 13.5px; color: var(--c2); font-weight: 700; margin-bottom: 14px; }
.op30-review-author { display: flex; gap: 10px; align-items: center; padding-top: 14px; border-top: 1px solid var(--line); }
.op30-review-avatar { width: 38px; height: 38px; border-radius: 50%; background: linear-gradient(135deg, var(--c1), var(--c3)); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 14px; flex-shrink: 0; }
.op30-review-author strong { display: block; font-size: 14.5px; }
.op30-review-author span { font-size: 12.5px; color: var(--ink3); }

/* ============ 10. 비교표 ============ */
.op30-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: #fff; box-shadow: 0 20px 50px -32px rgba(15, 23, 42, .25); }
.op30-table { width: 100%; min-width: 620px; border-collapse: collapse; }
.op30-table th { padding: 18px 20px; text-align: left; font-size: 15px; font-weight: 800; background: #F8FAFC; border-bottom: 1px solid var(--line); }
.op30-table th.op30-th-us { background: linear-gradient(135deg, var(--c2), var(--c3)); color: #fff; }
.op30-table td { padding: 15px 20px; font-size: 15.5px; border-bottom: 1px solid var(--line); }
.op30-table tr:last-child td { border-bottom: none; }
.op30-td-item { font-weight: 800; }
.op30-td-other { color: var(--ink3); }
.op30-td-us { color: var(--deep); font-weight: 700; }
.op30-td-us span { display: inline-flex; width: 18px; height: 18px; border-radius: 50%; background: var(--c3); color: #fff; font-size: 11px; align-items: center; justify-content: center; margin-right: 6px; }

/* ============ 11. 보너스 ============ */
.op30-bonus { background: linear-gradient(135deg, var(--deep2) 0%, #065F46 60%, #3F6212 100%); border-radius: var(--r-lg); padding: clamp(28px, 4vw, 48px); }
.op30-bonus .op30-eyebrow { background: rgba(251, 191, 36, .18); color: #FDE68A; }
.op30-bonus .op30-title { color: #fff; }
.op30-bonus .op30-title .op30-hl { background: linear-gradient(120deg, #FDE68A, #D9F99D); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.op30-bonus-card { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .18); border-radius: var(--r); padding: 28px; text-align: center; backdrop-filter: blur(6px); }
.op30-bonus-emoji { font-size: 40px; margin-bottom: 12px; }
.op30-bonus-card h3 { color: #fff; font-size: 16.5px; margin-bottom: 8px; }
.op30-bonus-card p { font-size: 13px; color: rgba(255, 255, 255, .8); line-height: 1.7; }

/* ============ 12. FAQ ============ */
.op30-faq-list { display: flex; flex-direction: column; gap: 12px; }
.op30-faq { background: #fff; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; transition: border-color .2s; }
.op30-faq[open] { border-color: var(--c2); }
.op30-faq summary { display: flex; align-items: center; gap: 12px; padding: 18px 22px; cursor: pointer; list-style: none; font-size: 16.5px; font-weight: 800; }
.op30-faq summary::-webkit-details-marker { display: none; }
.op30-faq-q { width: 26px; height: 26px; border-radius: 8px; background: linear-gradient(135deg, var(--c1), var(--c3)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 900; flex-shrink: 0; }
.op30-faq-toggle { margin-left: auto; width: 22px; height: 22px; position: relative; flex-shrink: 0; transition: transform .25s; }
.op30-faq[open] .op30-faq-toggle { transform: rotate(45deg); }
.op30-faq-toggle::before, .op30-faq-toggle::after { content: ''; position: absolute; background: var(--ink3); border-radius: 2px; }
.op30-faq-toggle::before { left: 4px; right: 4px; top: 10px; height: 2px; }
.op30-faq-toggle::after { top: 4px; bottom: 4px; left: 10px; width: 2px; }
.op30-faq-body { padding: 0 22px 20px 60px; font-size: 15.5px; color: var(--ink2); line-height: 1.75; }

/* ============ 13. CTA ============ */
.op30-cta { background: linear-gradient(140deg, var(--c1) 0%, var(--c2) 40%, var(--c3) 100%); }
.op30-cta-inner { text-align: center; color: #fff; }
.op30-cta-emoji { font-size: 56px; margin-bottom: 10px; }
.op30-cta-inner h2 { font-family: 'Jua', sans-serif; font-weight: 400; font-size: clamp(26px, 4vw, 40px); }
.op30-cta-inner > p { margin: 12px auto 26px; font-size: 17px; color: rgba(255, 255, 255, .95); }
.op30-cta-inner > p strong { color: #FDE68A; }
.op30-cta-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.op30-cta-contact { margin-top: 22px; display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; font-size: 15px; font-weight: 700; }
.op30-cta-contact a { padding: 8px 16px; background: rgba(255, 255, 255, .14); border-radius: 999px; transition: background .2s; }
.op30-cta-contact a:hover { background: rgba(255, 255, 255, .28); }
.op30-cta-contact span { color: rgba(255, 255, 255, .5); }
.op30-cta-note { margin-top: 18px; font-size: 13.5px; color: rgba(255, 255, 255, .8); }

/* ============ 반응형 ============ */
@media (max-width: 1024px) {
    .op30 .hero-content { padding: 90px var(--pad) 100px; }
    .op30 .hero-title { font-size: clamp(36px, 5.5vw, 56px); }
    .op30 .hero-sub { font-size: 16px; }
    .op30 .hero-eyebrow { font-size: 13px; padding: 8px 16px; }
    .op30 .hero-dots { bottom: 24px; }
    .op30-floating { width: 190px; right: 12px; padding: 14px 12px; font-size: 12px; }
    .op30-floating-event strong { font-size: 13px; }
    .op30-floating-btn { padding: 8px 10px; font-size: 12px; }
    .op30-floating-phone strong { font-size: 15px; }
    .op30-pillar-grid { grid-template-columns: repeat(2, 1fr); }
    .op30-step-grid { grid-template-columns: repeat(3, 1fr); }
    .op30-course-grid { grid-template-columns: repeat(2, 1fr); }
    .op30-panel-top { grid-template-columns: 1fr; }
    .op30-panel-thumb { height: 150px; }
    .op30-happy { grid-template-columns: 1fr; }
    .op30-level-line, .op30-level-fill { display: none; }
    .op30-level-grid { grid-template-columns: repeat(4, 1fr); gap: 18px; row-gap: 26px; }
}

@media (max-width: 768px) {
    .op30-grid3 { grid-template-columns: 1fr; }
    .op30-pillar-grid { grid-template-columns: 1fr; }
    .op30-step-grid { grid-template-columns: 1fr; }
    .op30-course-grid { grid-template-columns: 1fr; }
    /* 모바일 히어로: 세로 크롭 슬라이드 전환 + 카드 하단 배치·컴팩트(약 1/3, 2026-08-16) */
    .op30 .hero-slide:not(.hero-slide--mobile) { display: none; }
    .op30 .hero-slide--mobile { display: block; opacity: 1; }
    .op30 .hero-content { justify-content: flex-end; padding: 16px 16px 92px; }
    .op30 .hero-copy { max-width: 100%; padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, 0.82); }
    .op30 .hero-title { font-size: clamp(21px, 6vw, 26px); line-height: 1.2; margin-bottom: 8px; }
    .op30 .hero-title .hl::after { height: 7px; bottom: 3px; }
    .op30 .hero-sub { font-size: 13px; margin-bottom: 12px; line-height: 1.5; }
    .op30 .hero-eyebrow { font-size: 10px; padding: 4px 10px; margin-bottom: 10px; gap: 5px; }
    .op30 .hero-sub { font-size: 13px; margin-bottom: 12px; line-height: 1.5; }
    .op30 .hero-actions { flex-direction: column; align-items: stretch; gap: 7px; margin-bottom: 12px; }
    .op30 .hero-actions .btn { justify-content: center; padding: 10px 14px; font-size: 13px; }
    .op30 .hero-badges { gap: 5px; }
    .op30 .hero-badge-pill { font-size: 10px; padding: 3px 8px; }
    .op30 .hero-dots { bottom: 20px; gap: 6px; }
    .op30 .hero-dot { width: 20px; height: 3px; }
    .op30 .hero-dot.active { width: 32px; }
    .op30-br { display: block; }
    .op30-happy-cards { grid-template-columns: 1fr; }
    .op30-level-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
    .op30-level-name { margin-top: 8px; }
}

@media (max-width: 640px) {
    .op30 .hero-content { padding-bottom: 140px; }
    .op30-floating {
        position: fixed;
        top: auto; bottom: 0; left: 0; right: 0;
        transform: none;
        width: 100%;
        border-radius: 16px 16px 0 0;
        background: rgba(30, 30, 40, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 10px 12px;
        flex-direction: row;
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        gap: 8px;
        z-index: 999;
    }
    .op30-floating .op30-floating-event,
    .op30-floating .op30-floating-notice-label,
    .op30-floating .op30-floating-notice-roller,
    .op30-floating .op30-floating-div:nth-of-type(2),
    .op30-floating .op30-floating-div:nth-of-type(3) { display: none; }
    .op30-floating .op30-floating-div:first-of-type { display: none; }
    .op30-floating-actions { flex-direction: row; flex: 1; gap: 8px; }
    .op30-floating-btn { flex: 1; justify-content: center; padding: 11px 6px; font-size: 12px; gap: 5px; white-space: nowrap; }
    .op30-floating-phone { width: auto; padding-top: 0; text-align: right; white-space: nowrap; font-size: 11px; }
    .op30-floating-phone strong { display: inline; font-size: 14px; }
    .op30-floating-phone br { display: none; }
}

/* ============ 2b. AI 영어교육연구소 + 레벨테스트 (2026-08-14 신설) ============ */
.op30-bg-ailab { background: linear-gradient(150deg, #0F766E 0%, #0E7490 45%, #155E75 100%); color: #fff; position: relative; overflow: hidden; }
.op30-bg-ailab::before { content: ''; position: absolute; inset: 0; opacity: .12; background-image: radial-gradient(#fff 1px, transparent 1px); background-size: 26px 26px; }
.op30-bg-ailab .op30-eyebrow { background: rgba(255, 255, 255, .16); color: #A7F3D0; }
.op30-bg-ailab .op30-title { color: #fff; }
.op30-bg-ailab .op30-title .op30-hl { background: linear-gradient(120deg, #67E8F9, #A7F3D0, #D9F99D); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.op30-bg-ailab .op30-desc { color: rgba(255, 255, 255, .85); }

.op30-ailab-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 18px; position: relative; z-index: 1; }
.op30-ailab-card { background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .2); border-radius: var(--r); padding: 28px 24px; backdrop-filter: blur(8px); display: flex; flex-direction: column; }
.op30-ailab-main { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .3); }
.op30-ailab-tag { display: inline-block; align-self: flex-start; background: rgba(6, 182, 212, .25); border: 1px solid rgba(103, 232, 249, .5); color: #A5F3FC; font-size: 13px; font-weight: 800; padding: 5px 14px; border-radius: 999px; margin-bottom: 14px; }
.op30-ailab-main h3 { font-family: 'Jua', 'Pretendard Variable', sans-serif; font-size: 26px; font-weight: 400; line-height: 1.3; margin-bottom: 12px; }
.op30-ailab-main p { font-size: 15.5px; color: rgba(255, 255, 255, .9); line-height: 1.7; margin-bottom: 16px; }
.op30-ailab-main p strong { color: #FDE68A; }
.op30-ailab-feats { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.op30-ailab-feats span { font-size: 14.5px; color: rgba(255, 255, 255, .92); }
.op30-ailab-card .op30-btn { margin-top: auto; }

.op30-timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.op30-timeline li { position: relative; padding-left: 22px; }
.op30-timeline li::before { content: ''; position: absolute; left: 4px; top: 7px; width: 8px; height: 8px; border-radius: 50%; background: #67E8F9; }
.op30-timeline li::after { content: ''; position: absolute; left: 7.5px; top: 20px; bottom: -14px; width: 1px; background: rgba(255, 255, 255, .2); }
.op30-timeline li:last-child::after { display: none; }
.op30-timeline b { display: block; font-size: 16px; color: #fff; }
.op30-timeline span { font-size: 13.5px; color: rgba(255, 255, 255, .7); }

.op30-lv-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.op30-lv-list li { display: flex; align-items: center; gap: 10px; }
.op30-lv-list b { flex: 0 0 34px; height: 34px; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: linear-gradient(135deg, #06B6D4, #84CC16); font-size: 14px; color: #fff; }
.op30-lv-list span { flex: 0 0 44px; font-size: 14px; color: rgba(255, 255, 255, .9); }
.op30-lv-list i { flex: 1; height: 14px; border-radius: 999px; background: rgba(255, 255, 255, .14); overflow: hidden; }
.op30-lv-list em { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, #06B6D4, #84CC16); }
.op30-ailab-note { margin-top: 14px; font-size: 13.5px; color: rgba(255, 255, 255, .75); }
.op30-ailab-link { text-align: center; margin-top: 28px; position: relative; z-index: 1; }
.op30-ailab-link a { color: #A7F3D0; font-size: 15.5px; font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }

/* ============ 8. 해외직영센터 강점 (2026-08-14 신설) ============ */
.op30-center-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.op30-center-stat { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 26px 18px; text-align: center; box-shadow: 0 6px 20px rgba(15, 23, 42, .05); }
.op30-center-stat strong { display: block; font-family: 'Jua', sans-serif; font-size: 34px; font-weight: 400; color: var(--deep); line-height: 1.1; }
.op30-center-stat strong small { font-size: 17px; }
.op30-center-stat span { display: block; margin-top: 6px; font-size: 14.5px; color: var(--ink2); font-weight: 700; }

.op30-center-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.op30-center-step { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 24px 16px; text-align: center; position: relative; transition: transform .25s, box-shadow .25s; }
.op30-center-step:hover { transform: translateY(-4px); box-shadow: 0 16px 36px -16px rgba(15, 23, 42, .14); }
.op30-center-step-num { position: absolute; top: 10px; right: 14px; font-family: 'Jua', sans-serif; font-size: 18px; color: var(--ink3); }
.op30-center-step-ico { font-size: 30px; margin-bottom: 10px; }
.op30-center-step h4 { font-size: 15.5px; margin-bottom: 6px; }
.op30-center-step p { font-size: 13.5px; color: var(--ink2); line-height: 1.6; }

.op30-center-manager { margin-top: 26px; background: linear-gradient(135deg, var(--deep2), #065F46); border-radius: var(--r); padding: 24px 28px; color: #fff; display: flex; gap: 18px; align-items: center; }
.op30-center-manager-ico { font-size: 40px; flex-shrink: 0; }
.op30-center-manager strong { font-family: 'Jua', 'Pretendard Variable', sans-serif; font-size: 19px; font-weight: 400; }
.op30-center-manager p { margin-top: 4px; font-size: 15px; color: rgba(255, 255, 255, .85); line-height: 1.7; }

@media (max-width: 1024px) {
    .op30-ailab-grid { grid-template-columns: 1fr 1fr; }
    .op30-ailab-main { grid-column: 1 / -1; }
    .op30-center-steps { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .op30-ailab-grid { grid-template-columns: 1fr; }
    .op30-center-stats { grid-template-columns: repeat(2, 1fr); }
    .op30-center-steps { grid-template-columns: 1fr; }
    .op30-center-manager { flex-direction: column; text-align: center; }
}

/* ============ 3b. 수업 프로세스 차별성 (VOCA 5min) ============ */
.op30-voca-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.op30-voca-step { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px 24px; text-align: center; position: relative; transition: transform .25s, box-shadow .25s; }
.op30-voca-step:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -16px rgba(15, 23, 42, .14); }
.op30-voca-num { position: absolute; top: 14px; right: 18px; font-family: 'Jua', sans-serif; font-size: 22px; color: var(--ink3); }
.op30-voca-ico { width: 60px; height: 60px; border-radius: 18px; margin: 0 auto 14px; background: linear-gradient(135deg, #CCFBF1, #ECFCCB); display: flex; align-items: center; justify-content: center; font-size: 30px; }
.op30-voca-phase { display: inline-block; background: var(--soft2); border: 1px solid #D9F99D; color: #4D7C0F; font-size: 13px; font-weight: 800; padding: 4px 14px; border-radius: 999px; margin-bottom: 10px; }
.op30-voca-step h3 { font-size: 18px; margin-bottom: 8px; }
.op30-voca-step p { font-size: 15px; color: var(--ink2); line-height: 1.7; }

.op30-voca-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.op30-voca-other, .op30-voca-us { border-radius: var(--r); padding: 26px 26px 20px; }
.op30-voca-other { background: #F8FAFC; border: 1px solid var(--line); }
.op30-voca-us { background: #fff; border: 2px solid #86EFAC; box-shadow: 0 14px 36px -20px rgba(20, 184, 166, .5); }
.op30-voca-other h4, .op30-voca-us h4 { font-size: 17px; font-weight: 900; margin-bottom: 14px; }
.op30-voca-other h4 { color: var(--ink3); }
.op30-voca-us h4 { color: var(--deep); }
.op30-voca-other p { font-size: 15px; color: var(--ink3); padding: 8px 0; border-bottom: 1px dashed var(--line); margin: 0; }
.op30-voca-other p:last-child { border-bottom: none; }
.op30-voca-us p { font-size: 15px; color: var(--ink); font-weight: 700; padding: 8px 0; border-bottom: 1px dashed #D1FAE5; margin: 0; display: flex; gap: 8px; align-items: flex-start; }
.op30-voca-us p:last-child { border-bottom: none; }
.op30-voca-us p span { flex-shrink: 0; display: inline-flex; width: 20px; height: 20px; border-radius: 50%; background: var(--c3); color: #fff; font-size: 12px; align-items: center; justify-content: center; margin-top: 2px; }

.op30-voca-cta { margin-top: 28px; text-align: center; }

@media (max-width: 768px) {
    .op30-voca-flow { grid-template-columns: 1fr; }
    .op30-voca-compare { grid-template-columns: 1fr; }
}