@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
:root{
  --bg:#ffffff;--bg2:#f8f9fa;--card:rgba(0,0,0,0.015);
  --card-border:rgba(0,0,0,0.1);--text:#1a1a2e;--text2:#555770;
  --gold:#d35400;--gold2:#e67e22;--cyan:#0077b6;--cyan2:#0096c7;
  --red:#c0392b;--green:#27ae60;--purple:#6c3483;
  --grad1:linear-gradient(135deg,#d35400,#c0392b);
  --grad2:linear-gradient(135deg,#0077b6,#6c3483);
  --grad3:linear-gradient(135deg,#27ae60,#0077b6);
  --shadow:0 2px 12px rgba(0,0,0,0.06);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);line-height:1.8;overflow-x:hidden;font-size:16px}
::selection{background:var(--gold);color:#fff}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f1f1f1}
::-webkit-scrollbar-thumb{background:var(--gold);border-radius:3px}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:10px 20px;
  background:rgba(255,255,255,0.95);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--card-border);display:flex;align-items:center;justify-content:space-between;
  box-shadow:0 1px 4px rgba(0,0,0,0.05)}
nav .logo{font-size:1rem;font-weight:700;color:var(--text);display:flex;align-items:center;gap:8px;
  text-decoration:none;flex-shrink:0}
nav .logo img{width:32px;height:32px;border-radius:6px}
nav .logo span{background:var(--grad1);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
nav .nav-links{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
nav .nav-links a{color:var(--text2);text-decoration:none;font-size:.82rem;padding:5px 10px;
  border-radius:6px;transition:.3s;white-space:nowrap}
nav .nav-links a:hover{color:var(--gold);background:rgba(211,84,0,0.08)}

/* DISCLAIMER BANNER */
.disclaimer-banner{
  background:linear-gradient(135deg,#fef9f0,#fff7ed);
  border:2px solid #e67e22;border-radius:16px;padding:32px 36px;
  max-width:900px;margin:0 auto 40px;position:relative;
  box-shadow:0 4px 20px rgba(211,84,0,0.08)}
.disclaimer-banner::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,#d35400,#e67e22,#f39c12);border-radius:16px 16px 0 0}
.disclaimer-banner h2{
  font-size:1.2rem;font-weight:700;color:#d35400;margin-bottom:16px;
  display:flex;align-items:center;gap:10px}
.disclaimer-banner p{
  font-size:.92rem;color:#3a3a3a;line-height:2;margin-bottom:12px}
.disclaimer-banner .highlight-box{
  background:#fff;border:1px solid rgba(211,84,0,0.2);border-radius:10px;
  padding:16px 20px;margin-top:16px}
.disclaimer-banner .highlight-box p{margin-bottom:0;font-size:.88rem}
.disclaimer-check{
  display:flex;align-items:flex-start;gap:8px;margin-bottom:8px;font-size:.88rem;color:#444}
.disclaimer-check .check-icon{
  color:#27ae60;font-weight:700;font-size:1rem;flex-shrink:0;margin-top:2px}
.disclaimer-not{
  display:flex;align-items:flex-start;gap:8px;margin-bottom:8px;font-size:.88rem;color:#666}
.disclaimer-not .not-icon{
  color:#c0392b;font-weight:700;font-size:1rem;flex-shrink:0;margin-top:2px}
.disclaimer-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:16px 0}
.etf-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:20px}

/* HERO */
.hero{min-height:50vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:120px 24px 60px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,#fff9f0 0%,#ffffff 100%)}
.hero::before{content:'';position:absolute;width:600px;height:600px;
  background:radial-gradient(circle,rgba(211,84,0,0.05),transparent 70%);top:-200px;right:-100px}
.hero h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;margin-bottom:16px;
  background:linear-gradient(135deg,#1a1a2e,#d35400);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{font-size:1.15rem;color:var(--text2);max-width:700px}

/* SECTIONS */
section{padding:80px 24px;max-width:1200px;margin:0 auto}
.section-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;margin-bottom:8px;
  display:flex;align-items:center;gap:12px;color:var(--text)}
.section-title .icon{width:40px;height:40px;border-radius:12px;display:flex;
  align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.section-sub{color:var(--text2);margin-bottom:40px;font-size:1.05rem}
.source-link{display:inline-flex;align-items:center;gap:4px;color:var(--cyan);
  font-size:.8rem;text-decoration:none;padding:3px 8px;border:1px solid rgba(0,119,182,0.3);
  border-radius:4px;transition:.3s;margin:4px 2px}
.source-link:hover{background:rgba(0,119,182,0.08);border-color:var(--cyan)}

/* CARDS */
.card{background:#ffffff;border:1px solid var(--card-border);border-radius:16px;
  padding:28px;transition:.3s;box-shadow:var(--shadow)}
.card:hover{border-color:rgba(0,0,0,0.18);transform:translateY(-2px);box-shadow:0 6px 24px rgba(0,0,0,0.08)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.card h3{font-size:1.15rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.card .tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:.72rem;
  font-weight:600;margin-bottom:12px}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:12px;border:1px solid var(--card-border);margin:20px 0;
  box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:.95rem}
thead{background:rgba(211,84,0,0.06)}
th{padding:12px 14px;text-align:left;font-weight:600;color:var(--gold);
  border-bottom:2px solid rgba(211,84,0,0.15);white-space:nowrap;font-size:.88rem}
td{padding:10px 14px;border-bottom:1px solid rgba(0,0,0,0.05);color:var(--text)}
tr:hover td{background:rgba(211,84,0,0.03)}
td.neg{color:var(--red)}
td.pos{color:var(--green)}

/* CHART */
.chart-container{background:#ffffff;border:1px solid var(--card-border);
  border-radius:16px;padding:24px;margin:20px 0;position:relative;box-shadow:var(--shadow)}
.chart-container canvas{max-height:400px}

/* INPUT */
.input-group{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin:24px 0}
.input-group label{color:var(--text2);font-size:.9rem;font-weight:500}
.input-group input[type=number],.input-group input[type=range]{
  background:#fff;border:1px solid var(--card-border);color:var(--text);
  padding:10px 14px;border-radius:8px;font-size:1rem;font-family:inherit;outline:none;transition:.3s}
.input-group input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(211,84,0,0.1)}
.input-group input[type=range]{padding:0;height:6px;-webkit-appearance:none;width:200px;
  border-radius:3px;background:#eee}
.input-group input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;
  border-radius:50%;background:var(--gold);cursor:pointer;box-shadow:0 2px 6px rgba(211,84,0,0.3)}
.result-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:24px 0}
.result-card{background:#fff;border:1px solid var(--card-border);border-radius:12px;
  padding:20px;text-align:center;box-shadow:var(--shadow)}
.result-card .value{font-size:2rem;font-weight:700;margin:8px 0;color:var(--text)}
.result-card .label{font-size:.9rem;color:var(--text2)}

/* ANIM */
.fade-in{opacity:0;transform:translateY(30px);transition:opacity .6s,transform .6s}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* FOOTER */
footer{text-align:center;padding:40px 24px;color:var(--text2);font-size:.8rem;
  border-top:1px solid var(--card-border);background:#fafafa}

/* TOP10 */
.top10-year{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:6px;margin:8px 0}
.top10-chip{background:#fff;border:1px solid var(--card-border);border-radius:6px;
  padding:4px 8px;font-size:.72rem;text-align:center;font-weight:500;color:var(--text)}
.strategy-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:24px 0}

/* CODE BLOCKS */
code{background:var(--bg2);color:var(--gold)}

/* SELECT ELEMENTS */
select{background:#fff !important;color:var(--text) !important;border:1px solid var(--card-border) !important}

@media(max-width:768px){
  body{font-size:15px}
  nav{padding:8px 12px}
  nav .logo span{font-size:.85rem}
  nav .nav-links a:not([href="https://wbpark.app"]){display:none}
  nav .nav-links a[href="https://wbpark.app"]{font-size:.8rem;padding:4px 10px}
  .card-grid{grid-template-columns:1fr}
  section{padding:48px 14px}
  .result-cards{grid-template-columns:1fr 1fr}
  .hero{padding:80px 16px 40px}
  .hero h1{font-size:1.6rem}
  .hero p{font-size:1rem}
  table{font-size:.88rem}
  th{font-size:.82rem;padding:10px 8px}
  td{padding:8px}
  .card{padding:20px}
  .input-group{gap:10px}
  .input-group input[type=range]{width:140px}
  .table-wrap{margin:12px -14px;border-radius:0;border-left:none;border-right:none}
  .disclaimer-banner{margin:0 8px 30px;padding:24px 16px}
  .disclaimer-banner h2{font-size:1.05rem}
  .disclaimer-banner .highlight-box{padding:12px 14px}
  .disclaimer-grid{grid-template-columns:1fr;gap:12px}
  .disclaimer-check,.disclaimer-not{font-size:.82rem}
  .etf-summary-grid{gap:12px}
}