/* ═══════════════════════════════════════════════════════════
   TAEON Studio — Shared Design System
   ═══════════════════════════════════════════════════════════ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#F6F4EC;--bg2:#EDEADD;--card:#FFFFFF;--dark:#1A1A1A;
  --green:#9FE870;--green2:#6BCB42;--green3:#ECFCE5;
  --t1:#1A1A1A;--t2:#555;--t3:#999;--t4:#BBB;
  --border:#E0DDC8;
  --r:12px;--r2:20px;--r3:28px;
  --blue:#3182F6;--blue-bg:#E6F1FB;
  --red:#E24B4A;--red-bg:#FEF2F2;
  --orange:#F59E0B;--orange-bg:#FFF8E1;
  --purple:#8B5CF6;--purple-bg:#F3E8FF;
}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--t1);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto}

/* ─── Navigation ─────────────────────────────────────────── */
.nav{padding:16px 48px;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;background:rgba(246,244,236,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(224,221,200,0.5)}
.nav-logo{display:flex;align-items:center;gap:8px}
.nav-logo-icon{width:30px;height:30px;background:var(--dark);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--green);font-size:13px;font-weight:600}
.nav-logo span{font-weight:600;font-size:17px}
.nav-logo .tag{font-size:10px;color:var(--t3);border:1px solid var(--border);padding:2px 8px;border-radius:4px;margin-left:2px}
.nav-right{display:flex;gap:20px;align-items:center}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{padding:7px 14px;border-radius:8px;font-size:13px;color:var(--t2);font-weight:500;transition:all .2s}
.nav-links a:hover{background:var(--bg2);color:var(--t1)}
.nav-links a.active{background:var(--dark);color:#fff}

/* Features dropdown */
.nav-dd-wrap{position:relative}
.nav-dd-wrap>a{cursor:pointer;padding:7px 14px}
.nav-dd{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 16px 48px rgba(0,0,0,0.1);min-width:560px;z-index:200;padding:10px;padding-top:18px}
.nav-dd::before{content:'';position:absolute;top:-14px;left:0;right:0;height:20px}
.nav-dd-wrap:hover .nav-dd{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.nav-dd a{display:flex;align-items:flex-start;gap:10px;padding:10px 12px;border-radius:10px;transition:background .15s}
.nav-dd a:hover{background:var(--bg)}
.nav-dd a.nav-dd-big{grid-column:1 / -1;background:var(--bg);flex-direction:column;padding:14px;gap:10px}
.nav-dd a.nav-dd-big:hover{background:var(--bg2)}
.nav-dd a.nav-dd-big .nav-dd-label{font-size:15px}
.nav-dd a.nav-dd-big .nav-dd-desc{font-size:12px}
.nav-dd-big-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:4px;width:100%}
.nav-dd-big-stat{background:var(--card);border-radius:8px;padding:8px 10px;text-align:center}
.nav-dd-big-stat .val{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.nav-dd-big-stat .lbl{font-size:9px;color:var(--t3);margin-top:1px}
.nav-dd-big-chart{display:flex;gap:1px;height:20px;align-items:flex-end;width:100%}
.nav-dd-big-chart div{flex:1;border-radius:2px;background:var(--green);opacity:0.4}
.nav-dd-big-chart div:nth-last-child(-n+4){opacity:0.7}
.nav-dd-big-chart div:last-child{opacity:1}
.nav-dd-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.nav-dd-label{font-size:13px;font-weight:600;margin-bottom:2px}
.nav-dd-desc{font-size:11px;color:var(--t3);line-height:1.4}

/* Language switcher */
.lang-sw{position:relative;display:inline-flex}
.lang-sw>a{padding:4px 10px;border-radius:6px;font-size:11px;font-weight:600;background:var(--bg2);color:var(--t2);cursor:pointer;border:1px solid var(--border)}
.lang-sw>a:hover{background:var(--card)}
.lang-dd{display:none;position:absolute;top:100%;right:0;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,0.08);min-width:100px;z-index:200;overflow:hidden;padding-top:6px}
.lang-dd::before{content:'';position:absolute;top:-10px;left:0;right:0;height:16px}
.lang-sw:hover .lang-dd{display:block}
.lang-dd a{display:block;padding:8px 16px;font-size:12px;font-weight:500;color:var(--t2);white-space:nowrap}
.lang-dd a:hover{background:var(--bg);color:var(--t1)}
.lang-dd a.active{color:var(--t1);font-weight:700;background:var(--green3)}

/* ─── Buttons ────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-weight:600;border:none;cursor:pointer;transition:all .2s;gap:8px}
.btn-dark{background:var(--dark);color:#fff;padding:10px 28px;border-radius:var(--r3);font-size:14px}
.btn-dark:hover{background:#333;transform:translateY(-1px)}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--t2);padding:9px 24px;border-radius:var(--r3);font-size:14px}
.btn-outline:hover{border-color:var(--t3);color:var(--t1)}
.btn-green{background:var(--green);color:var(--dark);padding:12px 32px;border-radius:var(--r3);font-size:15px}
.btn-green:hover{background:var(--green2);transform:translateY(-1px)}
.btn-sm{padding:8px 20px;font-size:13px}
.btn-ghost{background:none;border:none;color:var(--t2);padding:8px 16px;font-size:13px;font-weight:600}
.btn-ghost:hover{color:var(--t1)}

/* ─── Section Primitives ─────────────────────────────────── */
.section{padding:80px 48px}
.section-label{font-size:12px;letter-spacing:3px;color:var(--t3);text-transform:uppercase;margin-bottom:12px;font-weight:600}
.section-title{font-size:40px;font-weight:700;letter-spacing:-1.5px;line-height:1.1;margin-bottom:16px}
.section-desc{font-size:16px;color:var(--t2);line-height:1.7;max-width:560px;margin-bottom:48px}
.divider{padding:0 48px}
.divider hr{border:none;border-top:1px solid var(--border)}

/* ─── Feature Page Hero ──────────────────────────────────── */
.feat-hero{padding:60px 48px 0;position:relative}
.feat-hero-inner{display:flex;gap:60px;align-items:flex-start}
.feat-hero-text{flex:1;padding-top:20px}
.feat-hero-badge{display:inline-flex;align-items:center;gap:6px;background:var(--bg2);padding:6px 14px;border-radius:20px;font-size:12px;font-weight:600;color:var(--t2);margin-bottom:20px}
.feat-hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--green2)}
.feat-hero h1{font-size:48px;font-weight:700;letter-spacing:-2px;line-height:1.05;margin-bottom:16px}
.feat-hero h1 .hl{background:var(--green);padding:0 10px;border-radius:8px;display:inline-block}
.feat-hero-desc{font-size:17px;color:var(--t2);line-height:1.7;max-width:480px;margin-bottom:32px}
.feat-hero-btns{display:flex;gap:12px;align-items:center}
.feat-hero-visual{flex:1.2;position:relative}

/* ─── Mock UI Cards ──────────────────────────────────────── */
.mock-window{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.08)}
.mock-titlebar{display:flex;align-items:center;gap:6px;padding:12px 16px;background:var(--bg2);border-bottom:1px solid var(--border)}
.mock-dot{width:10px;height:10px;border-radius:50%;background:var(--border)}
.mock-dot:first-child{background:#FF605C}
.mock-dot:nth-child(2){background:#FFBD44}
.mock-dot:nth-child(3){background:#00CA4E}
.mock-body{padding:20px}
.mock-sidebar{width:200px;background:var(--bg);border-right:1px solid var(--border);padding:16px 12px;flex-shrink:0}
.mock-sidebar-item{padding:8px 12px;border-radius:8px;font-size:12px;color:var(--t2);margin-bottom:2px;display:flex;align-items:center;gap:8px}
.mock-sidebar-item.active{background:var(--card);color:var(--t1);font-weight:600;box-shadow:0 1px 3px rgba(0,0,0,0.04)}
.mock-sidebar-icon{width:16px;text-align:center;font-size:11px}

/* ─── Feature Detail Cards ───────────────────────────────── */
.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.detail-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:32px;transition:all .25s}
.detail-card:hover{border-color:var(--t4);transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.detail-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px}
.detail-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.detail-card p{font-size:13px;color:var(--t2);line-height:1.7}

/* ─── Stats Row ──────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:48px}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:24px;text-align:center}
.stat-num{font-size:32px;font-weight:700;letter-spacing:-1px;font-variant-numeric:tabular-nums}
.stat-label{font-size:12px;color:var(--t3);margin-top:4px}

/* ─── Use Case / Scenario Section ────────────────────────── */
.scenario-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.scenario-card{background:var(--dark);border-radius:var(--r2);padding:36px;color:#fff}
.scenario-label{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:rgba(255,255,255,0.3);margin-bottom:12px}
.scenario-card h3{font-size:22px;font-weight:700;letter-spacing:-0.5px;margin-bottom:10px}
.scenario-card p{font-size:13px;color:rgba(255,255,255,0.5);line-height:1.7}
.scenario-steps{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.scenario-step{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,0.7)}
.scenario-step-num{width:22px;height:22px;border-radius:50%;background:rgba(159,232,112,0.15);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0}

/* ─── Cross-link Navigation ──────────────────────────────── */
.cross-nav{padding:60px 48px;background:var(--bg2)}
.cross-nav-title{font-size:14px;font-weight:700;color:var(--t3);margin-bottom:20px}
.cross-nav-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.cross-nav-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r2);padding:20px;transition:all .2s;display:block}
.cross-nav-card:hover{border-color:var(--t4);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,0.06)}
.cross-nav-card .icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;margin-bottom:10px}
.cross-nav-card h4{font-size:14px;font-weight:700;margin-bottom:4px}
.cross-nav-card p{font-size:11px;color:var(--t3);line-height:1.5}

/* ─── CTA Section ────────────────────────────────────────── */
.cta-section{background:var(--dark);border-radius:var(--r2);padding:80px 60px;text-align:center;color:#fff;max-width:1200px;margin:0 auto 0}
.cta-section h2{font-size:40px;font-weight:700;letter-spacing:-1.5px;margin-bottom:12px;line-height:1.1}
.cta-section p{font-size:16px;color:rgba(255,255,255,0.4);margin-bottom:32px}

/* ─── Footer ─────────────────────────────────────────────── */
.footer{border-top:1px solid var(--border);padding:32px 48px;display:flex;justify-content:space-between;align-items:center}
.footer-links{display:flex;gap:28px;font-size:13px;color:var(--t3)}
.footer-copy{font-size:12px;color:var(--t4)}

/* ─── Mock Data Table ────────────────────────────────────── */
.mock-table{width:100%;border-collapse:collapse;font-size:12px}
.mock-table th{text-align:left;padding:8px 12px;font-weight:600;color:var(--t3);font-size:10px;text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid var(--border)}
.mock-table td{padding:10px 12px;border-bottom:1px solid var(--bg2)}
.mock-table tr:last-child td{border-bottom:none}
.mock-table .num{font-variant-numeric:tabular-nums;font-weight:600}
.mock-tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:10px;font-weight:600}
.mock-tag.green{background:var(--green3);color:#2B7A3A}
.mock-tag.blue{background:var(--blue-bg);color:#185FA5}
.mock-tag.orange{background:var(--orange-bg);color:#92400E}
.mock-tag.red{background:var(--red-bg);color:#991B1B}
.mock-tag.purple{background:var(--purple-bg);color:#6D28D9}

/* ─── Mini Chart Mock ────────────────────────────────────── */
.mini-chart{display:flex;gap:2px;height:32px;align-items:flex-end}
.mini-chart div{flex:1;border-radius:2px;background:var(--green);opacity:0.6}
.mini-chart div:last-child{opacity:1}

/* ─── Kanban Mock ────────────────────────────────────────── */
.mock-kanban{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kanban-col{background:var(--bg);border-radius:12px;padding:10px}
.kanban-col-header{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--t3);margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}
.kanban-col-header .count{background:var(--card);padding:2px 6px;border-radius:4px;font-size:9px}
.kanban-card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:10px;margin-bottom:6px;font-size:11px}
.kanban-card:last-child{margin-bottom:0}
.kanban-card-title{font-weight:600;margin-bottom:4px}
.kanban-card-meta{font-size:9px;color:var(--t3);display:flex;justify-content:space-between}

/* ─── Pipeline Flow ──────────────────────────────────────── */
.flow-row{display:flex;align-items:center;gap:0;justify-content:center;margin:40px 0}
.flow-step{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px 24px;text-align:center;min-width:140px}
.flow-step-icon{font-size:20px;margin-bottom:6px}
.flow-step h4{font-size:13px;font-weight:700}
.flow-step p{font-size:10px;color:var(--t3)}
.flow-arrow{font-size:18px;color:var(--t4);padding:0 4px}
.flow-step.active{border-color:var(--green2);background:var(--green3)}

/* ─── Animations ─────────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideRight{from{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}
.anim-up{animation:fadeUp .6s ease-out both}
.anim-up-1{animation-delay:.1s}
.anim-up-2{animation-delay:.2s}
.anim-up-3{animation-delay:.3s}
.anim-up-4{animation-delay:.4s}

/* ─── Responsive ─────────────────────────────────────────── */
@media(max-width:900px){
  .nav{padding:14px 20px}
  .nav-links{display:none}
  .feat-hero{padding:32px 20px 0}
  .feat-hero-inner{flex-direction:column;gap:32px}
  .feat-hero h1{font-size:32px;letter-spacing:-1px}
  .section{padding:48px 20px}
  .detail-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .scenario-grid{grid-template-columns:1fr}
  .cross-nav{padding:48px 20px}
  .cross-nav-grid{grid-template-columns:repeat(2,1fr)}
  .cta-section{margin:0 20px 48px;padding:48px 24px;max-width:none}
  .footer{padding:24px 20px;flex-direction:column;gap:12px}
  .mock-kanban{grid-template-columns:repeat(2,1fr)}
  .flow-row{flex-wrap:wrap;gap:8px}
}