@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
.ecp,.ecp *{font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif !important;}
/* EngCalc Pages — homepage / page shortcode styles. Blue #2563EB identity. */
.ecp{--b:#2563EB;--b7:#1D4ED8;--b05:#EFF4FF;--ink:#0B1120;--body:#3B475C;--muted:#64748B;
  --line:#E4E9F0;--soft:#EEF2F7;--surface:#fff;--canvas:#F7F9FC;--good:#059669;
  --r-lg:18px;--r-md:12px;--r-sm:8px;--sh-md:0 10px 30px -14px rgba(11,17,32,.22);
  --sh-b:0 12px 30px -12px rgba(37,99,235,.45);--maxw:1160px;
  font-family:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--body);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;}
.ecp *,.ecp *::before,.ecp *::after{box-sizing:border-box;}
.ecp h1,.ecp h2,.ecp h3{color:var(--ink);line-height:1.15;letter-spacing:-.025em;margin:0;}
.ecp a{color:var(--b7);text-decoration:none;}
.ecp-wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px;}
.ecp-section{padding:60px 0;}
.ecp-alt{background:var(--canvas);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.ecp-head{max-width:640px;margin-bottom:34px;}
.ecp-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.ecp-head h2{font-size:clamp(1.7rem,3.5vw,2.35rem);font-weight:800;margin-bottom:10px;}
.ecp-head p{font-size:1.1rem;color:var(--body);margin:0;}

/* hero */
.ecp-hero{background:radial-gradient(1100px 380px at 82% -10%,rgba(37,99,235,.10),transparent 60%),linear-gradient(180deg,var(--canvas),var(--surface));padding:60px 0 48px;overflow:hidden;}
.ecp-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;}
@media(max-width:900px){.ecp-hero-grid{grid-template-columns:1fr;gap:32px;}}
.ecp-eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--b05);color:var(--b7);font-weight:600;font-size:13.5px;padding:6px 13px;border-radius:999px;margin-bottom:18px;}
.ecp-eyebrow svg{width:15px;height:15px;}
.ecp-hero h1{font-size:clamp(2.3rem,5.2vw,3.5rem);font-weight:850;margin-bottom:16px;}
.ecp-hl{color:var(--b);}
.ecp-hero-sub{font-size:1.2rem;color:var(--body);max-width:40ch;margin:0 0 24px;}

/* search */
.ecp-search{position:relative;max-width:540px;}
.ecp-search-field{display:flex;align-items:center;gap:10px;background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:6px 6px 6px 16px;box-shadow:var(--sh-md);transition:border-color .15s,box-shadow .15s;}
.ecp-search-field:focus-within{border-color:var(--b);box-shadow:0 0 0 4px rgba(37,99,235,.14),var(--sh-md);}
.ecp-search-field svg{width:21px;height:21px;color:var(--muted);flex-shrink:0;}
.ecp-search-field input{flex:1;border:0;outline:0;background:transparent;font:inherit;font-size:16px;color:var(--ink);min-width:0;padding:12px 0;}
.ecp-search-field button{border:0;background:var(--b);color:#fff;font:inherit;font-weight:600;padding:12px 22px;border-radius:10px;cursor:pointer;transition:background .15s;}
.ecp-search-field button:hover{background:var(--b7);}
.ecp-search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--sh-md);max-height:360px;overflow-y:auto;z-index:20;display:none;}
.ecp-search-results.show{display:block;}
.ecp-search-results a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 16px;color:var(--ink);font-size:15px;border-bottom:1px solid var(--soft);}
.ecp-search-results a:last-child{border-bottom:0;}
.ecp-search-results a:hover,.ecp-search-results a.active{background:var(--b05);}
.ecp-sr-cat{font-size:12px;color:var(--muted);white-space:nowrap;}
.ecp-sr-live{font-size:10.5px;font-weight:700;color:var(--good);background:rgba(5,150,105,.1);padding:2px 6px;border-radius:5px;}
.ecp-sr-empty{padding:16px;color:var(--muted);font-size:14px;text-align:center;}
.ecp-popular{font-size:13.5px;color:var(--muted);margin:12px 2px 0;}
.ecp-popular a{color:var(--muted);border-bottom:1px dotted var(--muted);}

/* hero visual */
.ecp-hero-stats{display:flex;gap:10px;margin-bottom:14px;}
.ecp-stat{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;box-shadow:0 1px 2px rgba(11,17,32,.05);}
.ecp-stat b{display:block;font-size:22px;color:var(--ink);font-weight:800;letter-spacing:-.02em;}
.ecp-stat span{font-size:12.5px;color:var(--muted);}
.ecp-hero-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-md);overflow:hidden;}
.ecp-hero-card-head{background:linear-gradient(135deg,#1E3A8A,#2563EB);color:#fff;font-weight:600;font-size:14px;padding:14px 18px;}
.ecp-hero-card-row{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;border-bottom:1px solid var(--soft);font-size:14.5px;color:var(--ink);}
.ecp-hero-card-row:last-child{border-bottom:0;}
.ecp-hero-card-row:hover{background:var(--b05);}
.ecp-go{color:var(--b7);font-weight:600;font-size:13px;}

/* category cards */
.ecp-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media(max-width:900px){.ecp-cat-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.ecp-cat-grid{grid-template-columns:1fr;}}
.ecp-cat-card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;transition:border-color .15s,box-shadow .15s,transform .15s;}
.ecp-cat-card:hover{border-color:var(--b);box-shadow:var(--sh-b);transform:translateY(-3px);}
.ecp-cat-ico{width:44px;height:44px;border-radius:11px;background:var(--b05);color:var(--b);display:grid;place-items:center;}
.ecp-cat-ico svg{width:24px;height:24px;}
.ecp-cat-ico.sm{width:38px;height:38px;}.ecp-cat-ico.sm svg{width:21px;height:21px;}
.ecp-cat-card h3{font-size:1.15rem;font-weight:700;}
.ecp-cat-count{font-size:13px;font-weight:600;color:var(--b7);}

/* tools by category */
.ecp-toolcat{margin-bottom:42px;scroll-margin-top:84px;}
.ecp-toolcat-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.ecp-toolcat-head h3{font-size:1.4rem;font-weight:750;}
.ecp-tc-all{margin-left:auto;font-size:14px;font-weight:600;color:var(--b7);white-space:nowrap;}
.ecp-tool-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px 18px;}
@media(max-width:820px){.ecp-tool-list{grid-template-columns:repeat(2,1fr);}}
@media(max-width:520px){.ecp-tool-list{grid-template-columns:1fr;}}
.ecp-tool-link{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--r-sm);color:var(--body);font-size:14.5px;border:1px solid transparent;transition:background .12s,color .12s;}
.ecp-tool-link::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--line);flex-shrink:0;transition:background .12s;}
.ecp-tool-link:hover{background:var(--b05);color:var(--b7);}
.ecp-tool-link:hover::before{background:var(--b);}
.ecp-tool-link.is-live{color:var(--ink);font-weight:500;}
.ecp-tool-link.is-live::before{background:var(--good);}
.ecp-badge{margin-left:auto;font-size:10.5px;font-weight:700;color:var(--good);background:rgba(5,150,105,.1);padding:2px 7px;border-radius:5px;}

/* features */
.ecp-feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media(max-width:820px){.ecp-feat-grid{grid-template-columns:1fr;}}
.ecp-feat-ico{width:46px;height:46px;border-radius:12px;background:var(--ink);color:#fff;display:grid;place-items:center;margin-bottom:14px;}
.ecp-feat-ico svg{width:24px;height:24px;}
.ecp-feat h3{font-size:1.2rem;font-weight:700;margin-bottom:8px;}
.ecp-feat p{margin:0;color:var(--body);font-size:15.5px;}

/* prose + read more */
.ecp-prose{max-width:760px;margin:0 auto;}
.ecp-prose h2{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:800;margin:0 0 16px;}
.ecp-prose p{margin:0 0 16px;}
.ecp-more[hidden]{display:none;}
.ecp-more-btn{background:var(--b05);color:var(--b7);border:0;font:inherit;font-weight:600;padding:10px 20px;border-radius:10px;cursor:pointer;transition:background .15s;}
.ecp-more-btn:hover{background:#e0eaff;}

/* faq */
.ecp-faq{max-width:760px;margin:0 auto;}
.ecp-faq details{border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:10px;background:var(--surface);overflow:hidden;}
.ecp-faq summary{padding:16px 18px;font-weight:600;color:var(--ink);cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:center;}
.ecp-faq summary::-webkit-details-marker{display:none;}
.ecp-faq summary::after{content:'';width:10px;height:10px;border-right:2px solid var(--b);border-bottom:2px solid var(--b);transform:rotate(45deg);transition:transform .2s;flex-shrink:0;}
.ecp-faq details[open] summary::after{transform:rotate(-135deg);}
.ecp-faq summary:hover{background:var(--canvas);}
.ecp-faq-body{padding:0 18px 18px;}
.ecp-faq-body p{margin:0;}

@media(prefers-reduced-motion:reduce){.ecp *{transition:none!important;}}

/* guides / articles */
.ecp-guide-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.ecp-chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--body);font-size:14px;font-weight:500;transition:background .12s,color .12s,border-color .12s;}
.ecp-chip:hover{border-color:var(--b);color:var(--b7);}
.ecp-chip.active{background:var(--b);border-color:var(--b);color:#fff;}
.ecp-guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.ecp-guide-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.ecp-guide-grid{grid-template-columns:1fr;}}
.ecp-guide-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .15s,box-shadow .15s,transform .15s;}
.ecp-guide-card:hover{border-color:var(--b);box-shadow:var(--sh-b);transform:translateY(-3px);}
.ecp-guide-img{display:block;aspect-ratio:16/9;background-size:cover;background-position:center;background-color:var(--b05);}
.ecp-guide-img-ph{display:grid;place-items:center;background:linear-gradient(135deg,#E0EAFF,#C7D8FF);color:var(--b);}
.ecp-guide-img-ph svg{width:40px;height:40px;opacity:.7;}
.ecp-guide-body{display:flex;flex-direction:column;gap:7px;padding:16px 18px;}
.ecp-guide-cat{font-size:12px;font-weight:700;color:var(--b7);text-transform:uppercase;letter-spacing:.04em;}
.ecp-guide-title{font-size:1.12rem;font-weight:700;color:var(--ink);line-height:1.3;}
.ecp-guide-desc{font-size:14px;color:var(--muted);line-height:1.5;}
.ecp-guide-empty{text-align:center;color:var(--muted);padding:50px 20px;background:var(--canvas);border:1px dashed var(--line);border-radius:var(--r-lg);}
.ecp-guide-pager{display:flex;gap:6px;justify-content:center;margin-top:34px;}
.ecp-page{min-width:38px;text-align:center;padding:8px 12px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);color:var(--body);font-weight:600;transition:background .12s,color .12s;}
.ecp-page:hover{border-color:var(--b);color:var(--b7);}
.ecp-page.active{background:var(--b);border-color:var(--b);color:#fff;}