:root {
  --primary:       #5B4FCF;
  --primary-dark:  #3D33A0;
  --primary-light: #EEE9FF;
  --accent:        #FF6B6B;
  --text:          #1A1A2E;
  --text-muted:    #6B7280;
  --bg:            #F9F8FF;
  --bg-card:       #FFFFFF;
  --border:        #E5E3F3;
  --success:       #22C55E;
  --radius:        14px;
  --radius-sm:     8px;
  --shadow:        0 4px 24px rgba(91,79,207,.10);
  --shadow-hover:  0 8px 32px rgba(91,79,207,.20);
  --transition:    .25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans KR','Segoe UI',sans-serif;background:var(--bg);color:var(--text);line-height:1.7}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.2}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:700}
h3{font-size:1.2rem;font-weight:700}
p{color:var(--text-muted)}
.container{max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:12px}
.section-subtitle{text-align:center;color:var(--text-muted);max-width:600px;margin:0 auto 52px}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:50px;
     font-weight:600;font-size:.95rem;cursor:pointer;border:none;
     transition:transform var(--transition),box-shadow var(--transition)}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-sm{padding:8px 18px;font-size:.85rem}

/* ── Badge ── */
.badge{display:inline-block;padding:4px 14px;border-radius:50px;font-size:.78rem;font-weight:700;letter-spacing:.04em}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-accent{background:#FFE9E9;color:var(--accent)}
.badge-success{background:#DCFCE7;color:#15803D}

/* ── Card ── */
.card{background:var(--bg-card);border-radius:var(--radius);border:1px solid var(--border);
      box-shadow:var(--shadow);padding:28px;
      transition:box-shadow var(--transition),transform var(--transition)}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}

/* ── Header / Nav ── */
.site-header{position:sticky;top:0;z-index:999;background:rgba(255,255,255,.9);
             backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--primary)}
.nav-logo .logo-dot{width:10px;height:10px;background:var(--accent);border-radius:50%;display:inline-block}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.92rem;font-weight:500;color:var(--text-muted);
             transition:color var(--transition);position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:2px;
                    background:var(--primary);transition:width var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);
                border-radius:2px;transition:var(--transition)}

/* ── Hero ── */
.hero{padding:100px 0 80px;
      background:linear-gradient(135deg,#F0EEFF 0%,#FFF5F5 50%,#FFFBF0 100%);
      overflow:hidden;position:relative}
.hero::before{content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 20% 50%,rgba(91,79,207,.08) 0%,transparent 60%),
             radial-gradient(circle at 80% 20%,rgba(255,107,107,.06) 0%,transparent 50%)}
.hero-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;
            align-items:center;position:relative;z-index:1}
.hero-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:20px}
.hero-title{margin-bottom:20px}
.hero-title span{color:var(--primary)}
.hero-desc{font-size:1.05rem;margin-bottom:32px;max-width:480px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:32px;margin-top:40px}
.stat-item{display:flex;flex-direction:column}
.stat-num{font-size:1.8rem;font-weight:800;color:var(--primary)}
.stat-label{font-size:.82rem;color:var(--text-muted)}
.hero-visual{display:flex;justify-content:center;align-items:center}
.hero-phone-mockup{width:280px;height:560px;
  background:linear-gradient(145deg,#5B4FCF,#9B59B6);border-radius:40px;
  box-shadow:0 30px 80px rgba(91,79,207,.35),0 0 0 8px #fff,0 0 0 10px var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;overflow:hidden}
.hero-phone-mockup::before{content:'';position:absolute;top:20px;left:50%;
  transform:translateX(-50%);width:80px;height:6px;
  background:rgba(255,255,255,.3);border-radius:3px}
.mock-screen{color:#fff;text-align:center;padding:20px}
.mock-screen .mock-logo{font-size:2rem;font-weight:900;margin-bottom:8px}
.mock-screen .mock-sub{font-size:.8rem;opacity:.7;margin-bottom:24px}
.mock-icons{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.mock-icon{background:rgba(255,255,255,.15);border-radius:12px;padding:12px 8px;font-size:1.4rem;text-align:center}

/* ── Overview ── */
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.overview-card .icon-wrap{width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
.overview-card h3{margin-bottom:8px}
.icon-purple{background:var(--primary-light)} .icon-red{background:#FFE9E9}
.icon-yellow{background:#FFFBDE} .icon-green{background:#DCFCE7}
.icon-blue{background:#DBEAFE}   .icon-pink{background:#FCE7F3}

/* ── Features ── */
.features-section{background:#fff}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin-bottom:80px}
.feature-row.reverse{direction:rtl}
.feature-row.reverse>*{direction:ltr}
.feature-visual{background:linear-gradient(135deg,var(--primary-light),#EEF2FF);
  border-radius:24px;padding:40px;min-height:300px;
  display:flex;align-items:center;justify-content:center;font-size:5rem;text-align:center}
.feature-desc{margin-bottom:20px}
.feature-list{display:flex;flex-direction:column;gap:10px}
.feature-list li{display:flex;align-items:flex-start;gap:10px;
                 font-size:.92rem;color:var(--text-muted)}
.feature-list li::before{content:'✓';color:var(--primary);font-weight:700;
                          flex-shrink:0;margin-top:2px}

/* ── User Types ── */
.user-types-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.user-type-card{text-align:center;padding:32px 20px}
.user-type-emoji{font-size:3rem;margin-bottom:16px}
.user-type-code{display:inline-block;background:var(--primary);color:#fff;
                border-radius:6px;padding:2px 10px;font-size:.72rem;font-weight:700;margin-bottom:10px}

/* ── Phase Timeline ── */
.phase-timeline{position:relative;padding-left:40px}
.phase-timeline::before{content:'';position:absolute;left:16px;top:0;bottom:0;
  width:2px;background:linear-gradient(180deg,var(--primary) 0%,var(--border) 100%)}
.phase-item{position:relative;margin-bottom:48px}
.phase-dot{position:absolute;left:-32px;top:6px;width:20px;height:20px;border-radius:50%;
           background:var(--primary);border:3px solid #fff;
           box-shadow:0 0 0 3px var(--primary-light);z-index:1}
.phase-dot.done{background:var(--success);box-shadow:0 0 0 3px #DCFCE7}
.phase-dot.current{background:var(--accent);box-shadow:0 0 0 3px #FFE9E9;animation:pulse 2s infinite}
.phase-dot.future{background:var(--border);box-shadow:0 0 0 3px #F3F4F6}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(255,107,107,.3)}50%{box-shadow:0 0 0 8px rgba(255,107,107,.1)}}
.phase-header{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.phase-num{font-size:.75rem;font-weight:700;color:var(--primary);
           background:var(--primary-light);padding:3px 10px;border-radius:50px}
.phase-status{font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:50px}
.status-done{background:#DCFCE7;color:#15803D}
.status-current{background:#FFE9E9;color:#DC2626}
.status-future{background:#F3F4F6;color:#6B7280}
.phase-card{background:var(--bg-card);border:1px solid var(--border);
            border-radius:var(--radius);padding:24px 28px}
.phase-card-title{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.phase-card-period{font-size:.82rem;color:var(--text-muted);margin-bottom:14px}
.phase-tasks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.phase-task{display:flex;align-items:flex-start;gap:8px;font-size:.88rem;color:var(--text-muted)}
.done-task{color:var(--text)}
.done-task .task-icon{color:var(--success)}

/* ── FAQ ── */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;
  padding:18px 22px;cursor:pointer;font-weight:600;background:var(--bg-card);
  transition:background var(--transition);gap:12px;width:100%;border:none;text-align:left}
.faq-question:hover,.faq-question.open{background:var(--primary-light);color:var(--primary)}
.faq-chevron{transition:transform var(--transition);flex-shrink:0;font-size:.8rem}
.faq-question.open .faq-chevron{transform:rotate(180deg)}
.faq-answer{display:none;padding:14px 22px 18px;font-size:.92rem;
            color:var(--text-muted);border-top:1px solid var(--border);background:var(--bg-card)}
.faq-answer.open{display:block}

/* ── Contact ── */
.contact-section{background:var(--bg)}
.contact-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:24px}
.contact-item{display:flex;align-items:flex-start;gap:14px}
.contact-icon{width:44px;height:44px;background:var(--primary-light);border-radius:12px;
              display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.contact-label{font-size:.8rem;color:var(--text-muted);margin-bottom:2px}
.contact-value{font-weight:600;font-size:.95rem}
.contact-form{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:32px}
.form-group{margin-bottom:18px}
.form-label{display:block;font-size:.87rem;font-weight:600;margin-bottom:6px;color:var(--text)}
.form-control{width:100%;padding:11px 16px;border:1.5px solid var(--border);
  border-radius:var(--radius-sm);font-size:.92rem;background:var(--bg);color:var(--text);
  transition:border-color var(--transition);outline:none}
.form-control:focus{border-color:var(--primary);background:#fff}
textarea.form-control{resize:vertical;min-height:120px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ── Footer ── */
.site-footer{background:#0F0E1C;color:rgba(255,255,255,.7);padding:60px 0 32px}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .logo{color:#fff;font-size:1.3rem;font-weight:800;margin-bottom:12px;
                    display:flex;align-items:center;gap:8px}
.footer-brand p{font-size:.87rem;max-width:260px;line-height:1.7}
.footer-col h4{color:#fff;font-size:.92rem;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:.87rem;transition:color var(--transition)}
.footer-col ul a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;
  font-size:.82rem;flex-wrap:wrap;gap:12px}
.footer-bottom a:hover{color:#fff}

/* ── Notice ── */
.notice-banner{background:linear-gradient(90deg,var(--primary) 0%,#9B59B6 100%);
  color:#fff;text-align:center;padding:10px 24px;font-size:.88rem;font-weight:500}
.notice-banner a{color:#FFD93D;font-weight:700;margin-left:8px}
.notice-close{background:none;border:none;color:#fff;font-size:1.1rem;
              cursor:pointer;margin-left:16px;opacity:.7;vertical-align:middle}

/* ── Back to Top ── */
.back-to-top{position:fixed;right:28px;bottom:28px;width:44px;height:44px;
  background:var(--primary);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  cursor:pointer;border:none;box-shadow:0 4px 16px rgba(91,79,207,.35);
  opacity:0;pointer-events:none;
  transition:opacity var(--transition),transform var(--transition);z-index:888}
.back-to-top.show{opacity:1;pointer-events:auto}
.back-to-top:hover{transform:translateY(-3px)}

/* ── Guide / Legal ── */
.guide-step{display:flex;gap:20px;margin-bottom:32px}
.step-num{width:40px;height:40px;background:var(--primary);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1rem;flex-shrink:0}
.step-body{flex:1}
.step-body h4{margin-bottom:6px;font-size:1rem}
.tip-box{background:var(--primary-light);border-left:4px solid var(--primary);
  padding:14px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:12px 0;font-size:.9rem}
.legal-body{max-width:780px;margin:0 auto}
.legal-body h2{font-size:1.1rem;margin:32px 0 10px;color:var(--primary)}
.legal-body p,.legal-body li{font-size:.93rem;color:var(--text-muted);line-height:1.85}
.legal-body ul{padding-left:20px;list-style:disc;margin:8px 0}
.legal-meta{background:var(--primary-light);border-radius:var(--radius-sm);
            padding:14px 18px;font-size:.87rem;margin-bottom:32px}
.info-table{width:100%;border-collapse:collapse;font-size:.88rem;margin:12px 0}
.info-table th{background:var(--primary-light);color:var(--primary);
               padding:10px 14px;text-align:left;font-weight:700;border:1px solid var(--border)}
.info-table td{padding:10px 14px;border:1px solid var(--border);color:var(--text-muted);vertical-align:top}

/* ── Responsive ── */
@media(max-width:1024px){
  .overview-grid{grid-template-columns:repeat(2,1fr)}
  .user-types-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .section{padding:56px 0}
  .hero{padding:60px 0 48px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .hero-phone-mockup{width:200px;height:400px}
  .feature-row,.feature-row.reverse{grid-template-columns:1fr;direction:ltr;gap:32px}
  .overview-grid{grid-template-columns:1fr}
  .user-types-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .phase-tasks{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .nav-links{display:none;flex-direction:column;position:absolute;
             top:68px;left:0;right:0;background:#fff;
             padding:20px 24px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .hamburger{display:flex}
  .nav-cta .btn{display:none}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:480px){.user-types-grid{grid-template-columns:1fr}}