/* ============================================================
   IDOLYN — shared website styles
   Dark K-Pop neon theme, matching the app.
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0A0A0F;
  --bg-2:#12121A;
  --card:#16161F;
  --border:rgba(157,78,221,0.22);
  --t1:#FFFFFF;
  --t2:#C9C6D6;
  --t3:#8A86A0;
  --pur:#9D4EDD;
  --pur-light:#C77DFF;
  --pink:#FF006E;
  --grad:linear-gradient(135deg,#9D4EDD 0%,#FF006E 100%);
  --grad-soft:linear-gradient(135deg,rgba(157,78,221,0.18),rgba(255,0,110,0.12));
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);color:var(--t1);line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:var(--pur-light);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}

/* ---------- NAV ---------- */
nav{
  background:rgba(10,10,15,0.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  padding:14px 24px;position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-left{display:flex;align-items:center;gap:12px;text-decoration:none}
.nav-left img{height:34px;width:34px;border-radius:9px}
.nav-left .brand{font-weight:800;font-size:18px;letter-spacing:.5px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-left small{display:block;font-size:10px;font-weight:500;color:var(--t3);margin-top:-3px;letter-spacing:.3px}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-right a{font-size:13px;color:var(--t2);font-weight:600}
.nav-right a:hover{color:var(--pur-light);text-decoration:none}
.lang-toggle{display:flex;border:1px solid var(--border);border-radius:9px;overflow:hidden}
.lang-toggle button{border:none;background:transparent;padding:6px 12px;cursor:pointer;
  font-family:inherit;font-size:13px;font-weight:700;color:var(--t2);transition:all .2s}
.lang-toggle button.active{background:var(--grad);color:#fff}
.lang-toggle button:hover:not(.active){background:rgba(157,78,221,.15)}

/* ---------- HERO ---------- */
.hero{max-width:1080px;margin:0 auto;padding:72px 24px 40px;text-align:center}
.hero .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--pur-light);background:var(--grad-soft);border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(32px,6vw,56px);font-weight:800;line-height:1.1;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(16px,2.4vw,20px);color:var(--t2);max-width:680px;margin:0 auto 30px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:14px;font-weight:700;font-size:15px;
  transition:transform .15s,box-shadow .15s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px rgba(157,78,221,.35)}
.btn-primary:hover{transform:translateY(-2px);text-decoration:none;box-shadow:0 12px 38px rgba(255,0,110,.4)}
.btn-ghost{background:var(--card);color:var(--t1);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--pur-light);text-decoration:none}
.hero .note{font-size:13px;color:var(--t3)}

/* ---------- PHONE SHOWCASE ---------- */
.showcase{max-width:1080px;margin:10px auto 0;padding:0 24px 50px;
  display:flex;gap:20px;justify-content:center;flex-wrap:wrap}
.showcase .phone{width:210px;border-radius:30px;overflow:hidden;border:1px solid var(--border);
  box-shadow:0 18px 50px rgba(0,0,0,.55);background:#000}
.showcase .phone:nth-child(even){transform:translateY(18px)}
@media(max-width:520px){.showcase .phone{width:150px}.showcase .phone:nth-child(even){transform:none}}

/* ---------- FEATURES ---------- */
.features{max-width:1080px;margin:0 auto;padding:30px 24px 60px}
.features h2{text-align:center;font-size:clamp(24px,4vw,34px);font-weight:800;margin-bottom:8px}
.features .sub{text-align:center;color:var(--t3);margin-bottom:38px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.feature{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:26px;transition:transform .15s,border-color .15s}
.feature:hover{transform:translateY(-3px);border-color:var(--pur-light)}
.feature .ic{width:48px;height:48px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:24px;background:var(--grad-soft);border:1px solid var(--border);margin-bottom:16px}
.feature h3{font-size:18px;font-weight:700;margin-bottom:8px}
.feature p{font-size:14.5px;color:var(--t2)}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:0 auto;padding:20px 24px 60px}
.faq h2{text-align:center;font-size:clamp(24px,4vw,34px);font-weight:800;margin-bottom:8px}
.faq .sub{text-align:center;color:var(--t3);margin-bottom:32px}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:14px;
  padding:18px 22px;margin-bottom:12px;transition:border-color .15s}
.faq details[open]{border-color:var(--pur-light)}
.faq summary{font-size:16px;font-weight:700;color:var(--t1);cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--pur-light);font-weight:800;font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{font-size:14.5px;color:var(--t2);margin-top:12px}

/* ---------- CTA BAND ---------- */
.band{max-width:1080px;margin:0 auto 64px;padding:0 24px}
.band-inner{background:var(--grad);border-radius:24px;padding:46px 28px;text-align:center}
.band-inner h2{font-size:clamp(22px,3.5vw,30px);font-weight:800;color:#fff;margin-bottom:10px}
.band-inner p{color:rgba(255,255,255,.9);margin-bottom:22px;font-size:15px}
.band-inner .btn-white{background:#fff;color:#7A1FA2;padding:14px 30px;border-radius:14px;font-weight:800;display:inline-block}
.band-inner .btn-white:hover{text-decoration:none;transform:translateY(-2px)}

/* ---------- LEGAL PAGES ---------- */
main.legal{max-width:760px;margin:0 auto;padding:48px 24px 80px}
main.legal h1{font-size:clamp(26px,5vw,34px);font-weight:800;margin-bottom:8px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.legal .subtitle{color:var(--t3);font-size:14px;margin-bottom:36px}
.section{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:26px 30px;margin-bottom:18px}
.section h2{font-size:17px;font-weight:700;color:var(--t1);margin-bottom:12px}
.section p,.section li{font-size:14.5px;color:var(--t2);line-height:1.8}
.section ul{padding-left:20px;margin:6px 0}
.section address{font-style:normal;line-height:2;color:var(--t2)}
.section strong{color:var(--t1)}
.divider{height:1px;background:var(--border);margin:16px 0}
.info-box{background:var(--grad-soft);border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin:14px 0}
.info-box p{color:var(--t1);font-size:13.5px}

/* ---------- FOOTER ---------- */
footer{border-top:1px solid var(--border);padding:34px 24px;text-align:center;color:var(--t3);font-size:13px}
footer .f-links{margin-bottom:10px}
footer .f-links a{color:var(--t2);margin:0 8px;font-weight:600}
footer .f-links a:hover{color:var(--pur-light);text-decoration:none}
footer .f-small{font-size:12px;color:var(--t3)}