/*
Theme Name: PersenKu
Description: Tema one-page PersenKu - Kalkulator Persentase Online.
Version: 1.0
Text Domain: persenku
*/
:root{--navy:#081E49;--blue:#1258E8;--cyan:#00CBEF;--violet:#8055EB;--green:#10B981;--text:#0B1B3F;--muted:#5B6B8C;--line:#E4EBF7;--bg:#F5F8FF}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--text);background:#fff;line-height:1.6;font-size:15px}
a{color:var(--blue);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
section{scroll-margin-top:84px}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);border-bottom:1px solid rgba(228,235,247,.7)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.logo img{height:40px;width:auto}
.nav{display:flex;gap:30px;list-style:none}
.nav a{color:var(--text);font-size:14px;font-weight:500;padding:24px 0;border-bottom:2px solid transparent}
.nav a.active,.nav a:hover{color:var(--blue);border-color:var(--blue);font-weight:700}
.btn{display:inline-flex;align-items:center;gap:10px;border-radius:999px;font-weight:700;font-size:15px;padding:14px 30px;border:0;cursor:pointer;font-family:inherit;transition:.2s}
.btn-primary{background:linear-gradient(90deg,var(--blue),#1b6dff);color:#fff;box-shadow:0 10px 24px rgba(18,88,232,.3)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid #C9D7F2}
.btn-sm{padding:10px 22px;font-size:14px}
.menu-toggle{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--navy)}
/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 75% 20%,#dceaff 0,transparent 45%),linear-gradient(180deg,#F2F6FF,#fff);padding:46px 0 60px}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.badge{display:inline-flex;align-items:center;gap:8px;background:#E8F0FF;color:var(--navy);font-size:11px;font-weight:800;letter-spacing:.4px;padding:8px 14px;border-radius:999px;text-transform:uppercase}
.hero h1{font-size:56px;line-height:1.08;font-weight:800;margin:22px 0 18px;color:var(--navy);letter-spacing:-1px}
.grad{background:linear-gradient(90deg,var(--blue) 30%,var(--cyan) 70%,var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17px;color:#33415e;max-width:520px}
.hero-cta{display:flex;gap:14px;margin:28px 0;flex-wrap:wrap}
.trust{display:flex;gap:26px;flex-wrap:wrap}
.trust div{display:flex;gap:10px;align-items:center;font-size:13px}
.trust b{display:block;font-size:13px}.trust small{color:var(--muted)}
.ic{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:none}
.hero-right{position:relative;display:flex;justify-content:flex-end}
.hero-art{position:absolute;right:-30px;top:-10px;width:170px;border-radius:24px;mix-blend-mode:multiply;opacity:.95}
.calc-card{position:relative;z-index:2;background:rgba(255,255,255,.92);border:1px solid #fff;border-radius:22px;box-shadow:0 24px 60px rgba(18,88,232,.16);padding:26px;width:100%;max-width:360px;margin-right:120px}
.calc-head{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.calc-head h3{font-size:17px;color:var(--navy)}.calc-head p{font-size:11px;color:var(--muted)}
.calc-card label{display:block;font-size:12px;font-weight:700;margin:10px 0 6px}
.calc-card select,.calc-card input{width:100%;border:1px solid #D5DFEF;border-radius:9px;padding:11px 12px;font-family:inherit;font-size:13px;background:#fff}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.calc-card .btn{width:100%;justify-content:center;margin-top:16px;padding:12px}
.result{margin-top:16px;background:linear-gradient(135deg,#E6FAF3,#E8F7FF);border-radius:14px;padding:16px;display:flex;gap:14px;align-items:center}
.result small{font-size:11px;color:var(--muted)}
.result strong{display:block;font-size:28px;color:var(--blue);line-height:1.2}
/* sections */
.sec{padding:40px 0}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px}
.sec h2{font-size:28px;color:var(--navy);font-weight:800;line-height:1.2}
.sec h2 span{color:var(--blue)}
.sec-head p{color:var(--muted);font-size:14px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.tool{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;display:flex;gap:14px;position:relative;box-shadow:0 6px 20px rgba(8,30,73,.04);transition:.2s;color:var(--text)}
.tool:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(18,88,232,.12)}
.tool .ic{width:58px;height:58px}
.tool h3{font-size:14px;margin-bottom:4px}.tool p{font-size:12px;color:var(--muted);padding-right:24px}
.tool .arr{position:absolute;right:14px;bottom:14px;width:26px;height:26px;border-radius:50%;background:#EEF3FF;display:grid;place-items:center;color:var(--blue);font-size:13px}
.why{background:var(--bg);border-radius:16px;padding:22px 18px;display:flex;gap:14px}
.why .ic{width:58px;height:58px}
.why h3{font-size:14px;margin-bottom:4px}.why p{font-size:12px;color:var(--muted)}
/* content blocks */
.cat{padding:50px 0}
.cat:nth-of-type(even){background:var(--bg)}
.cat .inner{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start}
.cat h2{margin-bottom:12px}
.cat p{color:#33415e;margin-bottom:12px}
.cat h3{font-size:17px;color:var(--navy);margin:18px 0 8px}
.formula{background:var(--navy);color:#fff;border-radius:14px;padding:18px 20px;font-family:ui-monospace,monospace;font-size:14px;margin:12px 0}
.formula span{color:var(--cyan)}
.box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 10px 30px rgba(8,30,73,.05)}
.box h4{color:var(--navy);margin-bottom:10px}
.box ul{padding-left:18px;color:#33415e;font-size:14px}.box li{margin-bottom:6px}
.mini-calc label{display:block;font-size:12px;font-weight:700;margin:8px 0 5px}
.mini-calc input,.mini-calc select{width:100%;border:1px solid #D5DFEF;border-radius:9px;padding:10px 12px;font-family:inherit}
.mini-calc .out{margin-top:14px;background:#EEF4FF;border-radius:12px;padding:14px;font-weight:700;color:var(--blue)}
table.tbl{width:100%;border-collapse:collapse;font-size:14px;margin-top:10px;background:#fff}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px;text-align:left}
.tbl th{background:#EEF3FF;color:var(--navy)}
/* articles */
.art{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 6px 20px rgba(8,30,73,.04);padding:8px}
.art img{border-radius:12px;width:100%;height:120px;object-fit:cover}
.art .b{padding:12px 10px}
.art h3{font-size:15px;color:var(--navy);margin-bottom:6px}
.art p{font-size:12.5px;color:var(--muted);margin-bottom:10px}
.art a{font-size:13px;font-weight:700}
.art .more{display:none;font-size:13px;color:#33415e;margin-bottom:10px}
.art.open .more{display:block}
/* faq */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 18px}
.faq summary{cursor:pointer;font-weight:700;font-size:14px;list-style:none;display:flex;justify-content:space-between}
.faq summary::after{content:'⌄';color:var(--muted)}
.faq details[open] summary::after{content:'⌃'}
.faq details p{font-size:13.5px;color:var(--muted);margin-top:8px}
/* footer */
.site-footer{background:linear-gradient(135deg,#081E49,#0B2A6B);color:#C9D5EE;margin-top:50px;position:relative;overflow:hidden}
.site-footer:after{content:'%';position:absolute;right:40px;top:-10px;font-size:160px;font-weight:800;color:rgba(255,255,255,.05)}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr .6fr;gap:40px;padding:36px 0 24px}
.site-footer img{height:34px;width:auto;margin-bottom:10px;filter:brightness(0) invert(1)}
.site-footer p{font-size:12.5px;max-width:330px}
.site-footer h4{color:#fff;font-size:13px;margin-bottom:10px}
.fmenu{list-style:none;display:flex;flex-wrap:wrap;gap:6px 22px}
.fmenu a,.fbot a{color:#C9D5EE;font-size:12.5px}
.soc{display:flex;gap:12px}
.soc a{width:32px;height:32px;display:grid;place-items:center;color:#fff;border-radius:8px;background:rgba(255,255,255,.08)}
.fbot{border-top:1px solid rgba(255,255,255,.1);padding:14px 0;display:flex;justify-content:space-between;font-size:12px;flex-wrap:wrap;gap:10px}
.fbot nav{display:flex;gap:26px}
/* page */
.page-wrap{max-width:820px;margin:0 auto;padding:50px 20px}
.page-wrap h1{font-size:36px;color:var(--navy);margin-bottom:20px}
.page-wrap h2{font-size:22px;color:var(--navy);margin:24px 0 10px}
.page-wrap p,.page-wrap li{color:#33415e;margin-bottom:10px}
.page-wrap ul{padding-left:20px}
@media(max-width:980px){
.nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:10px 20px;box-shadow:0 10px 20px rgba(0,0,0,.08)}
.nav.show{display:flex}.nav a{display:block;padding:12px 0}
.menu-toggle{display:block}.head-cta{display:none}
.hero .wrap,.cat .inner,.fgrid{grid-template-columns:1fr}
.hero h1{font-size:40px}
.calc-card{margin-right:0;max-width:none}.hero-art{display:none}
.grid4{grid-template-columns:1fr 1fr}.faq{grid-template-columns:1fr}
}
@media(max-width:560px){.grid4{grid-template-columns:1fr}.hero h1{font-size:34px}.sec-head{flex-direction:column;align-items:flex-start}}