*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
    :root {
      --primary: #6366F1;
      --primary-light: #818CF8;
      --primary-dark: #4338CA;
      --accent: #06B6D4;
      --accent-light: #67E8F9;
      --hero-bg: #050816;
      --text: #1E293B;
      --text-muted: #64748B;
      --text-light: #94A3B8;
      --bg-light: #F8FAFC;
      --bg-white: #FFFFFF;
      --success: #10B981;
      --border: #E2E8F0;
      --cta-bg: #354D5B;
      --cta-bg-hover: #2A3E4A;
    }
    html { scroll-behavior: smooth; }
    body { max-width: 100%; overflow-x: clip; }
    body {
      font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
      color: var(--text); line-height: 1.7;
      -webkit-font-smoothing: antialiased; background: var(--hero-bg);
      overscroll-behavior-y: none;
    }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

    /* ─── REVEAL SYSTEM (CSS-only fallback + JS enhancement) ─── */
    @keyframes revealUp { from { opacity:0; transform:translateY(40px); } to { opacity:1; transform:translateY(0); } }
    @keyframes revealLeft { from { opacity:0; transform:translateX(-50px); } to { opacity:1; transform:translateX(0); } }
    @keyframes revealRight { from { opacity:0; transform:translateX(50px); } to { opacity:1; transform:translateX(0); } }
    .reveal { opacity: 0; animation: revealUp 0.8s cubic-bezier(.16,1,.3,1) forwards; animation-delay: 0.3s; }
    .reveal.visible { opacity: 1; transform: translateY(0); animation: none; }
    .reveal-left { opacity: 0; animation: revealLeft 0.8s cubic-bezier(.16,1,.3,1) forwards; animation-delay: 0.3s; }
    .reveal-left.visible { opacity: 1; transform: translateX(0); animation: none; }
    .reveal-right { opacity: 0; animation: revealRight 0.8s cubic-bezier(.16,1,.3,1) forwards; animation-delay: 0.3s; }
    .reveal-right.visible { opacity: 1; transform: translateX(0); animation: none; }
    .stagger-1 { animation-delay: 0.4s; } .stagger-2 { animation-delay: 0.5s; }
    .stagger-3 { animation-delay: 0.6s; } .stagger-4 { animation-delay: 0.7s; }
    .stagger-5 { animation-delay: 0.8s; } .stagger-6 { animation-delay: 0.9s; }

    /* ─── 로그인 버튼 (nav + hero) ─── */
    .nav-login {
      padding: 8px 16px;
      border: 1.5px solid #4F46E5;
      border-radius: 8px;
      color: #4F46E5 !important;
      font-weight: 600;
      font-size: 14px;
      text-decoration: none;
      transition: background 0.15s, color 0.15s;
      display: inline-block;
      background: transparent;
    }
    .nav-login:hover {
      background: #4F46E5;
      color: #fff !important;
    }
    .hero-login-row {
      margin-top: 18px;
      text-align: center;
    }
    .hero-login-link {
      color: #4F46E5;
      font-size: 15px;
      font-weight: 600;
      text-decoration: none;
      padding: 8px 18px;
      border: 1.5px solid #4F46E5;
      border-radius: 8px;
      display: inline-block;
      transition: background 0.15s, color 0.15s;
      background: transparent;
    }
    .hero-login-link:hover {
      background: #4F46E5;
      color: #fff;
    }

    /* ─── NAV ─── */
    nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; padding: 0 24px; transition: background 0.4s cubic-bezier(.4,0,.2,1), box-shadow 0.4s cubic-bezier(.4,0,.2,1); background: rgba(255,255,255,0.92); backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid rgba(0,0,0,0.06); }
    nav.scrolled { background: rgba(255,255,255,0.97); box-shadow: 0 1px 12px rgba(0,0,0,0.08); }
    nav .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .nav-logo { font-size: 22px; font-weight: 800; text-decoration: none; background: linear-gradient(135deg, #1D4ED8 0%, #0369A1 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
    .nav-links a { color: #374151; text-decoration: none; font-size: 16px; font-weight: 600; transition: color 0.3s; position: relative; }
    .nav-links a:hover { color: #111827; }
    .nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: linear-gradient(90deg, var(--primary-light), var(--accent)); transition: width 0.3s; }
    .nav-links a:hover::after { width: 100%; }
    .nav-cta { background: var(--cta-bg); color: #fff !important; padding: 10px 24px; border-radius: 10px; font-weight: 600; font-size: 14px; transition: all 0.3s; }
    .nav-cta::after { display: none; }
    .nav-cta:hover { background: var(--cta-bg-hover); transform: translateY(-1px); }
    .mobile-menu-btn { display: none; background: none; border: none; color: #0F172A; font-size: 24px; cursor: pointer; }

    /* ─── HERO ─── */
    .hero { min-height: 100vh; min-height: 100dvh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; overflow: hidden; padding: 120px 24px 80px; background: #ffffff; }
    .hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
    .hero-orb-1 { width: 600px; height: 600px; top: -200px; left: -200px; background: radial-gradient(circle, rgba(99,102,241,0.1), transparent 70%); }
    .hero-orb-2 { width: 500px; height: 500px; bottom: -150px; right: -150px; background: radial-gradient(circle, rgba(6,182,212,0.08), transparent 70%); }
    .hero-orb-3 { width: 300px; height: 300px; top: 30%; right: 10%; background: radial-gradient(circle, rgba(168,85,247,0.07), transparent 70%); }
    .hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px); background-size: 60px 60px; mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 100%); -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 100%); }
    .hero-content { position: relative; z-index: 1; max-width: 800px; }
    .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(99,102,241,0.1); border: 1px solid rgba(129,140,248,0.2); padding: 8px 20px; border-radius: 100px; font-size: 13px; color: var(--primary-light); font-weight: 500; backdrop-filter: blur(10px); opacity: 0; animation: heroFadeUp 0.8s 0.2s cubic-bezier(.16,1,.3,1) forwards; }
    .hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--success); box-shadow: 0 0 8px rgba(16,185,129,0.6); animation: pulse 2s infinite; }
    @keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.4; } }
    @keyframes heroFadeUp { from { opacity:0; transform:translateY(30px); } to { opacity:1; transform:translateY(0); } }
    .hero h1 { font-size: 58px; font-weight: 800; color: #0F172A; line-height: 1.35; letter-spacing: 0.02em; word-spacing: 0.05em; margin: 28px 0 28px; opacity: 0; animation: heroFadeUp 1s 0.4s cubic-bezier(.16,1,.3,1) forwards; }
    .hero h1 .gradient-text { background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent) 50%, #A78BFA 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; background-size: 200% auto; animation: shimmer 3s ease-in-out infinite; }
    .hero h1 .highlight-quote { color: var(--accent-light); font-style: italic; }
    @keyframes shimmer { 0%,100% { background-position: 0% center; } 50% { background-position: 100% center; } }
    .hero-sub { font-size: 18px; color: #64748B; max-width: 560px; margin: 0 auto 36px; line-height: 1.8; opacity: 0; animation: heroFadeUp 0.8s 0.6s cubic-bezier(.16,1,.3,1) forwards; }
    .hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; opacity: 0; animation: heroFadeUp 0.8s 0.8s cubic-bezier(.16,1,.3,1) forwards; }
    .hero-checklist { display: flex; gap: 24px; justify-content: center; flex-wrap: wrap; margin-top: 32px; opacity: 0; animation: heroFadeUp 0.8s 1s cubic-bezier(.16,1,.3,1) forwards; }
    .hero-check-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #64748B; font-weight: 500; }
    .hero-check-item svg { flex-shrink: 0; }
    .btn-primary { display: inline-flex; align-items: center; gap: 10px; background: var(--cta-bg); color: #fff; padding: 16px 36px; border-radius: 14px; font-size: 16px; font-weight: 700; text-decoration: none; border: none; cursor: pointer; transition: all 0.3s cubic-bezier(.4,0,.2,1); box-shadow: 0 4px 20px rgba(53,77,91,0.3); position: relative; overflow: hidden; }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(53,77,91,0.5); background: var(--cta-bg-hover); }
    .btn-ghost { display: inline-flex; align-items: center; gap: 10px; color: #4F46E5; padding: 16px 36px; border-radius: 14px; font-size: 16px; font-weight: 600; text-decoration: none; border: 1px solid rgba(79,70,229,0.25); transition: all 0.3s; backdrop-filter: blur(10px); background: rgba(79,70,229,0.05); }
    .btn-ghost:hover { border-color: rgba(79,70,229,0.5); color: #3730A3; background: rgba(79,70,229,0.1); }

    /* ─── SECTION ─── */
    .section { padding: 120px 0; position: relative; }
    .section-light { background: var(--bg-light); }
    .section-white { background: var(--bg-white); }
    .section-header { text-align: center; margin-bottom: 72px; }
    .section-label { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; padding: 6px 16px; border-radius: 100px; background: rgba(99,102,241,0.08); color: var(--primary); }
    .section-header h2 { font-size: 42px; font-weight: 800; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 16px; }
    .section-header p { font-size: 17px; color: var(--text-muted); max-width: 600px; margin: 0 auto; line-height: 1.8; }

    /* ─── FEATURE CARDS ─── */
    .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .feature-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: 20px; padding: 36px; transition: all 0.4s cubic-bezier(.4,0,.2,1); position: relative; overflow: hidden; }
    .feature-card::after { content: ''; position: absolute; top: -50%; right: -50%; width: 200px; height: 200px; border-radius: 50%; background: radial-gradient(circle, rgba(99,102,241,0.15), transparent 70%); opacity: 0; transition: opacity 0.4s; }
    .feature-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); }
    .feature-card:hover::after { opacity: 1; }
    .feature-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; transition: transform 0.3s; }
    .feature-card:hover .feature-icon { transform: scale(1.1) rotate(-3deg); }
    .feature-icon svg { width: 24px; height: 24px; }
    .fi-blue { background: #EEF2FF; color: var(--primary); }
    .fi-cyan { background: #ECFEFF; color: var(--accent); }
    .fi-green { background: #ECFDF5; color: var(--success); }
    .fi-purple { background: #F5F3FF; color: #7C3AED; }
    .fi-amber { background: #FFFBEB; color: #D97706; }
    .fi-rose { background: #FFF1F2; color: #E11D48; }
    .feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; position: relative; z-index: 1; }
    .feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.8; position: relative; z-index: 1; }

    @keyframes blinkCursor { 0%,100% { opacity:1; } 50% { opacity:0; } }

    /* ─── WORKFLOW 탭 & 패널 ─── */
    .wf-step-num { font-size:12px;font-weight:700;color:var(--primary-light);letter-spacing:0.1em;margin-bottom:12px; }
    .wf-step-title { font-size:28px;font-weight:800;color:var(--text);line-height:1.35;margin-bottom:16px; }
    .wf-step-desc { font-size:15px;color:var(--text-muted);line-height:1.8;margin-bottom:28px; }
    .wf-step-list { list-style:none;display:flex;flex-direction:column;gap:10px; }
    .wf-step-list li { display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text); }
    .wf-step-list li span.dot { width:6px;height:6px;border-radius:50%;flex-shrink:0; }
    .dot-primary { background:var(--primary); }
    .dot-accent  { background:var(--accent); }
    .dot-success { background:var(--success); }
    .wf-mockup { background:var(--bg-light);border:1px solid var(--border);border-radius:20px;padding:32px; }
    .wf-mockup-label { font-size:12px;font-weight:700;color:var(--text-muted);letter-spacing:0.06em;margin-bottom:16px; }

    /* ─── WORKFLOW 탭 ─── */
    .wf-tab { flex-shrink:0; display:flex;flex-direction:column;gap:4px;padding:16px 24px;background:none;border:none;cursor:pointer;border-bottom:3px solid transparent;transition:all 0.3s;text-align:left; }
    .wf-tab-num { font-size:11px;font-weight:800;color:var(--text-muted);letter-spacing:0.08em;transition:color 0.3s; }
    .wf-tab-label { font-size:14px;font-weight:600;color:var(--text-muted);transition:color 0.3s;white-space:nowrap; }
    .wf-tab-active .wf-tab-num { color:var(--primary); }
    .wf-tab-active .wf-tab-label { color:var(--text); }
    .wf-tab:hover .wf-tab-label { color:var(--text); }
    .wf-dot { display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--border);transition:all 0.3s; }
    .wf-dot-active { background:var(--primary);width:24px;border-radius:4px; }
    .wf-panel { grid-area:1/1; display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center; opacity:0; transition:opacity 0.35s; pointer-events:none; }
    .wf-panel.is-active { opacity:1; pointer-events:auto; }
    @media (max-width:900px) { #wfPanels .wf-panel { grid-template-columns:1fr !important; gap:32px !important; } }
    #wfPanels { position:relative; }
    @media (max-width:480px) { .wf-tab { padding:12px 16px; } .wf-tab-label { font-size:12px; } }

    /* ─── TRUST / DATA SECTION (moved below AI) ─── */
    .stats-grid { display: flex; justify-content: center; gap: 64px; flex-wrap: wrap; }
    .stat-item { text-align: center; }
    .stat-item { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
    .stat-label { font-weight: 600; color: var(--text-muted); font-size: 14px; letter-spacing: 0.04em; text-transform: uppercase; }
    .stat-number { font-size: 48px; font-weight: 800; letter-spacing: -0.03em; color: var(--success); font-variant-numeric: tabular-nums; line-height: 1; }
    .stat-plus { font-size: 32px; color: var(--success); opacity: 0.6; }

    /* ─── PRICING ─── */
    .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
    .price-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: 24px; padding: 40px; display: flex; flex-direction: column; transition: all 0.4s cubic-bezier(.4,0,.2,1); }
    .price-card:hover { transform: translateY(-8px); }
    .price-popular { border-color: var(--primary); position: relative; box-shadow: 0 0 40px rgba(99,102,241,0.1); background: linear-gradient(180deg, rgba(99,102,241,0.02), #fff); }
    .price-popular:hover { box-shadow: 0 20px 60px rgba(99,102,241,0.15); }
    .price-popular-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: linear-gradient(135deg, var(--primary), #7C3AED); color: #fff; padding: 6px 20px; border-radius: 100px; font-size: 12px; font-weight: 700; box-shadow: 0 4px 20px rgba(99,102,241,0.3); }
    .price-name { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
    .price-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.6; }
    .price-amount { font-size: 44px; font-weight: 800; margin-bottom: 4px; display: flex; align-items: baseline; gap: 4px; }
    .price-amount .won { font-size: 22px; font-weight: 600; }
    .price-period { font-size: 13px; color: var(--text-muted); margin-bottom: 28px; }
    .price-features { list-style: none; flex: 1; margin-bottom: 32px; }
    .price-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; padding: 8px 0; color: var(--text); }
    .price-features svg { flex-shrink: 0; margin-top: 2px; }

    .price-btn { display: block; text-align: center; padding: 14px 28px; border-radius: 12px; font-size: 15px; font-weight: 700; text-decoration: none; transition: all 0.3s; margin-top: 20px; }
    .price-btn-primary { background: var(--cta-bg); color: #fff; box-shadow: 0 4px 20px rgba(53,77,91,0.25); }
    .price-btn-primary:hover { box-shadow: 0 8px 30px rgba(53,77,91,0.4); transform: translateY(-1px); background: var(--cta-bg-hover); }
    .price-btn-outline { background: transparent; color: var(--primary); border: 2px solid rgba(99,102,241,0.2); }
    .price-btn-outline:hover { background: rgba(99,102,241,0.04); border-color: var(--primary); }

    /* ─── FAQ ─── */
    .faq-list { max-width: 720px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--border); }
    .faq-q { font-size: 16px; font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: none; border: none; width: 100%; text-align: left; color: var(--text); padding: 24px 0; font-family: inherit; line-height: 1.5; transition: color 0.2s; }
    .faq-q:hover { color: var(--primary); }
    .faq-q svg { flex-shrink: 0; transition: transform 0.4s cubic-bezier(.4,0,.2,1); color: var(--text-muted); }
    .faq-q.open svg { transform: rotate(180deg); color: var(--primary); }
    .faq-a { font-size: 15px; color: var(--text-muted); line-height: 1.8; max-height: 0; overflow: hidden; transition: all 0.4s cubic-bezier(.4,0,.2,1); padding-bottom: 0; }
    .faq-a.open { max-height: 200px; padding-bottom: 24px; }

    /* ─── FINAL CTA ─── */
    .final-cta { padding: 140px 0; text-align: center; position: relative; overflow: hidden; background: var(--hero-bg); }
    .final-cta-orb { position: absolute; width: 500px; height: 500px; border-radius: 50%; top: 50%; left: 50%; transform: translate(-50%, -50%); background: radial-gradient(circle, rgba(99,102,241,0.12), transparent 60%); filter: blur(40px); }
    .final-cta h2 { font-size: 48px; font-weight: 800; color: #fff; margin-bottom: 16px; position: relative; }
    .final-cta p { font-size: 18px; color: var(--text-light); margin-bottom: 40px; position: relative; }

    /* ─── FOOTER ─── */
    footer { background: #030712; padding: 56px 0 36px; border-top: 1px solid rgba(255,255,255,0.04); }
    .footer-content { display: flex; justify-content: space-between; margin-bottom: 40px; flex-wrap: wrap; gap: 32px; }
    .footer-brand { max-width: 280px; }
    .footer-logo { font-size: 20px; font-weight: 800; margin-bottom: 12px; background: linear-gradient(135deg, #fff, var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .footer-desc { font-size: 13px; color: rgba(255,255,255,0.35); line-height: 1.8; }
    .footer-links { display: flex; gap: 56px; }
    .footer-col h4 { font-size: 12px; font-weight: 700; color: rgba(255,255,255,0.5); margin-bottom: 16px; letter-spacing: 0.08em; text-transform: uppercase; }
    .footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.35); text-decoration: none; padding: 4px 0; transition: color 0.2s; }
    .footer-col a:hover { color: #fff; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.04); padding-top: 28px; text-align: center; font-size: 12px; color: rgba(255,255,255,0.2); }

    /* ─── RESPONSIVE ─── */
    @media (max-width: 900px) {
      .hero h1 { font-size: 36px; letter-spacing: 0.01em; }
      .hero-sub { font-size: 16px; }
      .section { padding: 80px 0; }
      .section-header h2 { font-size: 32px; }
      .features-grid, .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; }

      .nav-links { display: none; }
      .mobile-menu-btn { display: block; }
      .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(0,0,0,0.08); padding: 24px; gap: 20px; }
      .footer-content { flex-direction: column; }
      .footer-links { gap: 32px; flex-wrap: wrap; }
      .stats-grid { gap: 32px; }
      .stat-number { font-size: 28px; }
      .hero-checklist { gap: 12px; }
      .school-logos { gap: 20px; margin-top: 24px; }
      .school-logo { height: 80px; }
      .school-logos-wrap { margin-top: 32px; }
    }
    @media (max-width: 480px) {
      .hero { padding: 120px 16px 60px; min-height: auto; }
      .hero h1 { font-size: 30px; letter-spacing: 0.01em; }
      .hero-buttons { flex-direction: column; align-items: center; gap: 12px; }
      .hero-buttons .btn-primary, .hero-buttons .btn-ghost { width: 280px; height: 52px; justify-content: center; padding: 0 20px; font-size: 15px; box-sizing: border-box; }
      .final-cta h2 { font-size: 32px; }
      .final-cta .btn-primary { width: 280px; height: 52px; justify-content: center; padding: 0 20px; font-size: 15px; box-sizing: border-box; }
      .price-amount { font-size: 32px; }
      .hero-checklist { flex-direction: column; align-items: center; }
    }

/* ─── Timeline ─── */
.pain-section{background:var(--hero-bg);padding:80px 0;overflow:hidden;position:relative}
.pain-bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.015) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.015) 1px,transparent 1px);background-size:60px 60px;pointer-events:none}
.tl-container{max-width:700px;margin:0 auto 40px;position:relative}
.pain-bottom-msg{text-align:center;color:#F87171;font-size:16px;font-weight:600;margin-top:12px;margin-bottom:60px;letter-spacing:0.02em}
.tl-line{position:absolute;left:28px;top:20px;bottom:20px;width:2px;background:rgba(255,255,255,.06);border-radius:2px}
.tl-fill{width:100%;height:0%;background:linear-gradient(180deg,#EF4444,#F97316,#EAB308,#6366F1);border-radius:2px;box-shadow:0 0 12px rgba(239,68,68,.4);animation:tlFillGrow 1.2s 0.5s cubic-bezier(.16,1,.3,1) forwards}
@keyframes tlFillGrow{to{height:100%}}
@keyframes tlItemIn{to{opacity:1;transform:translateX(0)}}
.tl-items{display:flex;flex-direction:column;gap:0}
.tl-item{display:flex;gap:24px;align-items:flex-start;padding:20px 0;opacity:0;transform:translateX(-20px);animation:tlItemIn 0.6s cubic-bezier(.16,1,.3,1) forwards}
.tl-item:nth-child(1){animation-delay:0.8s}
.tl-item:nth-child(2){animation-delay:1.05s}
.tl-item:nth-child(3){animation-delay:1.3s}
.tl-item:nth-child(4){animation-delay:1.55s}
.tl-dot-col{width:56px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;padding-top:4px}
.tl-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0}
.tl-dot-red{background:#EF4444;box-shadow:0 0 16px rgba(239,68,68,.5)}
.tl-dot-orange{background:#F97316;box-shadow:0 0 16px rgba(249,115,22,.5)}
.tl-dot-yellow{background:#EAB308;box-shadow:0 0 16px rgba(234,179,8,.5)}
.tl-dot-purple{background:#6366F1;box-shadow:0 0 16px rgba(99,102,241,.5)}
.tl-card{flex:1;border-radius:16px;padding:20px 24px}
.tl-badge{font-size:12px;font-weight:700;letter-spacing:.08em;margin-bottom:8px}
.tl-title{font-size:17px;font-weight:700;color:#fff;margin-bottom:6px}
.tl-text{font-size:14px;color:rgba(255,255,255,.5);line-height:1.7}
.tl-card-red{background:rgba(239,68,68,.06);border:1px solid rgba(239,68,68,.15)}
.tl-card-orange{background:rgba(249,115,22,.06);border:1px solid rgba(249,115,22,.15)}
.tl-card-yellow{background:rgba(234,179,8,.06);border:1px solid rgba(234,179,8,.15)}
.tl-card-purple{background:rgba(99,102,241,.08);border:1px solid rgba(99,102,241,.2)}
.tl-badge-red{color:#F87171}.tl-badge-orange{color:#FB923C}
.tl-badge-yellow{color:#FCD34D}.tl-badge-purple{color:#818CF8}
.tl-em-red{color:#F87171;font-weight:700}.tl-em-orange{color:#FB923C;font-weight:700}
.tl-em-yellow{color:#FCD34D;font-weight:700}.tl-em-purple{color:#818CF8;font-weight:700}
/* ─── Typing Simulator ─── */
.sim-wrap{max-width:700px;margin:0 auto;opacity:0;transform:translateY(30px);transition:all 0.8s cubic-bezier(.16,1,.3,1)}
.sim-window{background:#0D1117;border:1px solid rgba(255,255,255,.08);border-radius:20px;overflow:hidden;box-shadow:0 40px 80px rgba(0,0,0,.5)}
.sim-topbar{background:#161B22;padding:14px 20px;display:flex;align-items:center;gap:8px;border-bottom:1px solid rgba(255,255,255,.05)}
.sim-traffic{width:12px;height:12px;border-radius:50%}
.sim-traffic-r{background:#EF4444}.sim-traffic-y{background:#EAB308}.sim-traffic-g{background:#22C55E}
.sim-topbar-title{flex:1;text-align:center;font-size:12px;color:rgba(255,255,255,.3)}
.sim-topbar-time{font-size:12px;color:rgba(255,255,255,.25)}
.sim-editor{padding:28px 32px}
.sim-editor-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.sim-editor-label{font-size:12px;font-weight:700;color:rgba(255,255,255,.3);letter-spacing:.08em;text-transform:uppercase}
.sim-badge-wrap{display:flex;align-items:center;gap:8px}
.sim-badge-label{font-size:11px;color:rgba(255,255,255,.25)}
.sim-badge{background:rgba(99,102,241,.15);border:1px solid rgba(99,102,241,.25);border-radius:6px;padding:3px 10px;font-size:12px;font-weight:700;color:#818CF8}
.sim-input{background:#0A0F14;border:1px solid rgba(255,255,255,.06);border-radius:12px;padding:13px 16px;overflow:hidden;transform:translateZ(0);display:flex;align-items:center;gap:2px}
.sim-prog{margin-top:16px}
.sim-prog-head{display:flex;justify-content:space-between;font-size:11px;color:rgba(255,255,255,.25);margin-bottom:6px}
.sim-prog-track{height:4px;background:rgba(255,255,255,.06);border-radius:2px;overflow:hidden}
.sim-prog-fill{height:100%;width:75%;background:linear-gradient(90deg,#6366F1,#06B6D4);border-radius:2px;transition:width .5s}
.sim-footer{background:#161B22;padding:12px 20px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.05)}
.sim-footer-txt{font-size:11px;color:rgba(255,255,255,.2)}
.sim-remain{color:#F87171;font-weight:700}
.sim-caption{text-align:center;margin-top:28px;font-size:18px;font-weight:800;color:#F87171;letter-spacing:-.01em}
/* ─── AI Flow ─── */
.ai-flow-bg{padding:120px 0;background:var(--bg-white)}
.wf-tabs{display:flex;gap:0;margin:48px 0 0;border-bottom:2px solid var(--border);overflow-x:auto;scrollbar-width:none}
.wf-progress-wrap{height:3px;background:var(--border);position:relative;margin-top:-2px}
.wf-progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));width:20%;transition:width .4s cubic-bezier(.16,1,.3,1)}
.wf-panels{display:grid;padding:48px 0}
.wf-dots{display:flex;justify-content:center;gap:8px;padding-bottom:8px}
/* ─── Trust ─── */
.stat-wrap{padding:0 0 64px}
/* ─── School Logos ─── */
.school-logos-wrap{text-align:center;margin-top:48px}
.school-logos-tagline{font-size:20px;font-weight:700;text-align:center;margin-bottom:24px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 50%,#06B6D4 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-0.01em}
.school-logos-label{font-size:13px;font-weight:600;color:var(--text-muted);margin-bottom:20px;letter-spacing:0.05em;text-transform:uppercase}
.school-logos{display:flex;align-items:center;justify-content:center;gap:48px;flex-wrap:wrap}
.school-logo{height:180px;width:auto;object-fit:contain;filter:grayscale(0);opacity:0.85;transition:opacity 0.2s}
.school-logo:hover{opacity:1}
/* 모바일: 4개 로고를 한 줄에 옆으로 배치 (겹쳐 쌓이는 사고 방지) */
@media (max-width:768px){
  .school-logos{gap:8px;flex-wrap:nowrap;justify-content:space-between;padding:0 4px}
  .school-logo{height:56px;flex:1 1 0;min-width:0;max-width:23%}
}
@media (max-width:480px){
  .school-logos{gap:6px}
  .school-logo{height:48px}
}
/* ─── Pricing Toggle (학기당 / 1년) ─── */
.pricing-toggle{display:flex;gap:6px;margin:0 auto 32px;padding:6px;background:#F1F5F9;border-radius:14px;justify-content:center;align-items:center;max-width:280px}
.pricing-tab{flex:1;min-height:44px;padding:10px 24px;border:none;background:transparent;color:#64748B;font-size:15px;font-weight:600;font-family:inherit;border-radius:10px;cursor:pointer;transition:all 0.2s;letter-spacing:-0.01em;line-height:1.2;white-space:nowrap}
.pricing-tab:hover{color:#0F172A}
.pricing-tab.active{background:#fff;color:var(--primary);box-shadow:0 2px 8px rgba(15,23,42,0.08);font-weight:700}
@media (max-width:480px){
  .pricing-toggle{max-width:260px;gap:4px;padding:5px}
  .pricing-tab{font-size:14px;padding:10px 18px;min-height:42px}
}

/* ─── Pricing Modal (PG 미적용 안내) ─── */
.pricing-modal{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px}
.pricing-modal[hidden]{display:none}
.pricing-modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,0.6);backdrop-filter:blur(4px);animation:fadeIn 0.2s ease-out}
.pricing-modal-card{position:relative;background:#fff;border-radius:20px;padding:36px 32px 28px;max-width:420px;width:100%;box-shadow:0 20px 60px rgba(0,0,0,0.25);animation:modalSlideUp 0.25s cubic-bezier(0.16,1,0.3,1);text-align:center}
.pricing-modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border:none;background:transparent;font-size:24px;color:#94A3B8;cursor:pointer;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all 0.2s}
.pricing-modal-close:hover{background:#F1F5F9;color:#475569}
.pricing-modal-icon{font-size:44px;margin-bottom:8px}
.pricing-modal-title{font-size:22px;font-weight:800;color:#0F172A;margin:0 0 16px;letter-spacing:-0.02em}
.pricing-modal-desc{font-size:15px;line-height:1.7;color:#475569;margin:0 0 20px}
.pricing-modal-desc strong{color:#0F172A;font-weight:700}
.pricing-modal-account{background:#F8FAFC;border:1px solid #E2E8F0;border-radius:12px;padding:16px 18px;margin:0 0 16px;text-align:left}
.pricing-modal-account-label{font-size:12px;font-weight:700;color:#64748B;letter-spacing:0.05em;margin-bottom:10px;text-transform:uppercase}
.pricing-modal-account-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px}
.pricing-modal-account-row span{color:#64748B}
.pricing-modal-account-row strong{color:#0F172A;font-weight:700;font-variant-numeric:tabular-nums}
.pricing-modal-footnote{font-size:13px;line-height:1.7;color:#64748B;margin:0 0 24px;text-align:center}
.pricing-modal-footnote a{color:var(--primary);font-weight:600;text-decoration:none}
.pricing-modal-footnote a:hover{text-decoration:underline}
.pricing-modal-actions{display:flex;gap:10px;justify-content:center}
.pricing-modal-btn{flex:1;padding:14px 20px;border-radius:12px;font-size:15px;font-weight:700;border:none;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:all 0.2s;font-family:inherit}
.pricing-modal-btn-secondary{background:#F1F5F9;color:#475569}
.pricing-modal-btn-secondary:hover{background:#E2E8F0}
.pricing-modal-btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;box-shadow:0 4px 14px rgba(99,102,241,0.35)}
.pricing-modal-btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,0.45)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes modalSlideUp{from{opacity:0;transform:translateY(20px) scale(0.96)}to{opacity:1;transform:translateY(0) scale(1)}}
@media (max-width:480px){
  .pricing-modal-card{padding:28px 22px 22px}
  .pricing-modal-title{font-size:19px}
  .pricing-modal-desc{font-size:14px}
}
/* ─── Misc ─── */
.price-original{font-size:14px;color:var(--text-light);text-decoration:line-through;margin-bottom:4px}
.footer-legal{font-size:12px;color:var(--text-light);margin-top:16px;line-height:1.8}
.footer-legal a{color:var(--text-light)}
.footer-social{margin-top:16px;display:flex;gap:10px;flex-wrap:wrap}
.footer-social-link{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;background:rgba(255,0,0,0.08);color:#FF0000;border-radius:8px;font-size:13px;font-weight:600;text-decoration:none;transition:all 0.2s;border:1px solid rgba(255,0,0,0.2)}
.footer-social-link:hover{background:#FF0000;color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,0,0,0.3)}
.footer-social-link svg{flex-shrink:0}
.cta-inner{position:relative}

/* ─── HTML 인라인 <style> 이전 (B 단계) ─── */
    /* ─── "더" prefix (더클래용 브랜드, 위첨자) ─── */
    .the-prefix {
      display: inline-block;
      font-size: 0.55em;
      font-weight: 500;
      position: relative;
      top: -0.55em;
      letter-spacing: -0.02em;
      opacity: 0.85;
      margin-right: 1px;
    }

    /* ─── 클래용 본문 링크 스타일 ─── */
    .claeyong-link {
      color: inherit;
      text-decoration: underline;
      text-decoration-color: var(--primary, #6366F1);
      text-decoration-thickness: 2px;
      text-underline-offset: 3px;
      font-weight: 600;
      transition: color 0.15s;
    }
    .claeyong-link:hover {
      color: var(--primary, #6366F1);
    }
    .hero-sub .claeyong-link {
      color: inherit;
      text-decoration-color: var(--accent-light, #67E8F9);
    }
    .hero-sub .claeyong-link:hover {
      color: var(--accent-light, #67E8F9);
    }

    /* ─── 클래용 CTA 섹션 ─── */
    .claeyong-cta {
      padding: 80px 0;
      background: linear-gradient(135deg, #F0F9FF 0%, #EFF6FF 100%);
    }
    .claeyong-card {
      display: grid;
      grid-template-columns: 1.3fr 1fr;
      gap: 48px;
      align-items: center;
      background: #fff;
      border-radius: 20px;
      padding: 48px;
      box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    }
    .claeyong-badge {
      display: inline-block;
      background: #DBEAFE;
      color: #1D4ED8;
      padding: 4px 12px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 16px;
      letter-spacing: 0.02em;
    }
    .claeyong-card h2 {
      font-size: 28px;
      font-weight: 800;
      margin: 0 0 16px;
      color: var(--text, #1E293B);
      line-height: 1.35;
    }
    .claeyong-card p {
      color: #475569;
      line-height: 1.7;
      margin: 0 0 20px;
      font-size: 15px;
    }
    .claeyong-feats {
      list-style: none;
      padding: 0;
      margin: 0 0 28px;
    }
    .claeyong-feats li {
      padding: 6px 0 6px 24px;
      position: relative;
      color: #1E293B;
      font-size: 14px;
    }
    .claeyong-feats li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: #3B82F6;
      font-weight: 700;
    }
    .claeyong-btn {
      display: inline-block;
      background: #1D4ED8;
      color: #fff;
      padding: 14px 28px;
      border-radius: 12px;
      text-decoration: none;
      font-weight: 700;
      font-size: 15px;
      transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
      box-shadow: 0 4px 12px rgba(29, 78, 216, 0.2);
    }
    .claeyong-btn:hover {
      background: #1E40AF;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(29, 78, 216, 0.28);
    }

    /* 모바일 목업 */
    .claeyong-mockup {
      background: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
      border-radius: 24px;
      padding: 24px 20px;
      color: #fff;
      box-shadow: 0 20px 50px rgba(15, 23, 42, 0.3);
    }
    .mockup-header {
      font-weight: 700;
      font-size: 14px;
      margin-bottom: 16px;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .mockup-item {
      background: rgba(255, 255, 255, 0.06);
      padding: 12px 14px;
      border-radius: 10px;
      margin-bottom: 8px;
      font-size: 14px;
    }
    .mockup-item:last-child { margin-bottom: 0; }

    /* Footer의 클래용 링크 강조 */
    .footer-col a[href*="theclaeyong"] {
      color: #60A5FA !important;
      font-weight: 600;
    }

    @media (max-width: 768px) {
      .claeyong-cta { padding: 56px 0; }
      .claeyong-card {
        grid-template-columns: 1fr;
        padding: 28px;
        gap: 24px;
      }
      .claeyong-card h2 { font-size: 22px; }
      .claeyong-card-right { display: none; }
    }

    /* ─── 학교 단체 계약 배너 ─── */
    .enterprise-banner {
      display: grid;
      grid-template-columns: 64px 1fr auto;
      align-items: center;
      gap: 24px;
      margin-top: 56px;
      padding: 28px 36px;
      background: linear-gradient(135deg, #EEF2FF 0%, #E0F2FE 100%);
      border: 1.5px solid #C7D2FE;
      border-radius: 18px;
      box-shadow: 0 6px 24px rgba(67, 56, 202, 0.08);
    }
    .enterprise-banner-icon {
      width: 64px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #fff;
      border-radius: 16px;
      color: #4338CA;
      box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    }
    .enterprise-banner-icon svg {
      width: 32px;
      height: 32px;
    }
    .enterprise-banner-text h3 {
      margin: 0 0 6px;
      font-size: 18px;
      font-weight: 800;
      color: #1E1B4B;
    }
    .enterprise-banner-text p {
      margin: 0;
      font-size: 14px;
      line-height: 1.6;
      color: #475569;
    }
    .enterprise-banner-btn {
      padding: 14px 24px;
      background: #4338CA;
      color: #fff;
      border: 0;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
      box-shadow: 0 4px 14px rgba(67, 56, 202, 0.25);
      white-space: nowrap;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .enterprise-banner-btn svg {
      transition: transform 0.15s;
    }
    .enterprise-banner-btn:hover {
      background: #3730A3;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(67, 56, 202, 0.35);
    }
    .enterprise-banner-btn:hover svg {
      transform: translateX(3px);
    }
    @media (max-width: 768px) {
      .enterprise-banner {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 16px;
        padding: 24px;
      }
      .enterprise-banner-icon {
        margin: 0 auto;
        width: 56px;
        height: 56px;
        font-size: 28px;
      }
      .enterprise-banner-btn { width: 100%; }
    }

    /* ─── 단체 문의 모달 ─── */
    .inquiry-modal-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.55);
      z-index: 9999;
      align-items: center;
      justify-content: center;
      padding: 24px;
      overflow-y: auto;
    }
    .inquiry-modal-backdrop.is-open { display: flex; }
    .inquiry-modal {
      background: #fff;
      border-radius: 16px;
      width: 100%;
      max-width: 560px;
      max-height: calc(100vh - 24px);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(0,0,0,0.25);
      animation: inquiryModalIn 0.2s ease-out;
    }
    .inquiry-modal-head { flex-shrink: 0; padding: 14px 22px 10px !important; }
    .inquiry-modal-head h3 { font-size: 17px !important; }
    .inquiry-modal-body { flex: 1 1 auto; overflow-y: auto; min-height: 0; padding: 12px 22px !important; }
    .inquiry-modal-body p.inquiry-desc { margin: 0 0 10px !important; font-size: 13px !important; }
    .inquiry-modal-body .inquiry-field { margin-bottom: 8px !important; }
    .inquiry-modal-body .inquiry-field label { margin-bottom: 3px !important; font-size: 12px !important; }
    .inquiry-modal-body .inquiry-field input,
    .inquiry-modal-body .inquiry-field textarea { padding: 8px 11px !important; font-size: 13px !important; border-radius: 8px !important; }
    .inquiry-modal-body .inquiry-field textarea { min-height: 60px !important; }
    .inquiry-modal-body .inquiry-field-row { gap: 8px !important; }
    .inquiry-modal-foot { flex-shrink: 0; padding: 10px 22px 14px !important; }
    .inquiry-modal-foot .inquiry-btn-secondary,
    .inquiry-modal-foot .inquiry-btn-primary { padding: 8px 18px !important; font-size: 13px !important; }
    @keyframes inquiryModalIn {
      from { opacity: 0; transform: translateY(12px); }
      to { opacity: 1; transform: translateY(0); }
    }
    .inquiry-modal-head {
      padding: 24px 28px 16px;
      border-bottom: 1px solid #E2E8F0;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .inquiry-modal-head h3 {
      margin: 0;
      font-size: 20px;
      font-weight: 800;
      color: #1E1B4B;
    }
    .inquiry-modal-close {
      background: transparent;
      border: 0;
      line-height: 0;
      color: #64748B;
      cursor: pointer;
      padding: 8px;
      border-radius: 8px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s, color 0.15s;
    }
    .inquiry-modal-close:hover { background: #F1F5F9; color: #1E1B4B; }
    .inquiry-modal-body { padding: 20px 28px; }
    .inquiry-modal-body p.inquiry-desc {
      margin: 0 0 18px;
      font-size: 14px;
      color: #475569;
      line-height: 1.6;
    }
    .inquiry-field {
      display: block;
      margin-bottom: 14px;
    }
    .inquiry-field label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      margin-bottom: 6px;
    }
    .inquiry-field label .req { color: #DC2626; margin-left: 2px; }
    .inquiry-field input,
    .inquiry-field textarea {
      width: 100%;
      padding: 11px 14px;
      border: 1.5px solid #CBD5E1;
      border-radius: 10px;
      font-size: 14px;
      font-family: inherit;
      transition: border-color 0.15s, box-shadow 0.15s;
      box-sizing: border-box;
    }
    .inquiry-field input:focus,
    .inquiry-field textarea:focus {
      outline: 0;
      border-color: #4338CA;
      box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.15);
    }
    .inquiry-field textarea {
      resize: vertical;
      min-height: 88px;
    }
    .inquiry-field-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    .inquiry-modal-foot {
      padding: 16px 28px 24px;
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      border-top: 1px solid #E2E8F0;
    }
    .inquiry-btn-secondary {
      padding: 11px 22px;
      background: #fff;
      color: #334155;
      border: 1.5px solid #CBD5E1;
      border-radius: 10px;
      font-weight: 600;
      cursor: pointer;
    }
    .inquiry-btn-secondary:hover { background: #F8FAFC; }
    .inquiry-btn-primary {
      padding: 11px 26px;
      background: #4338CA;
      color: #fff;
      border: 0;
      border-radius: 10px;
      font-weight: 700;
      cursor: pointer;
    }
    .inquiry-btn-primary:hover { background: #3730A3; }
    .inquiry-btn-primary:disabled {
      background: #94A3B8;
      cursor: not-allowed;
    }
    .inquiry-status {
      margin: 12px 28px 0;
      padding: 10px 14px;
      border-radius: 10px;
      font-size: 13px;
      display: none;
    }
    .inquiry-status.is-success {
      background: #DCFCE7;
      color: #166534;
      display: block;
    }
    .inquiry-status.is-error {
      background: #FEE2E2;
      color: #991B1B;
      display: block;
    }
    @media (max-width: 480px) {
      .inquiry-field-row { grid-template-columns: 1fr; }
      .inquiry-modal-head, .inquiry-modal-body, .inquiry-modal-foot { padding-left: 20px; padding-right: 20px; }
    }