/*
Theme Name: 5iTech Calculator
Theme URI: https://calculator.5itech.in/
Author: 5iTech
Description: SEO-focused 5iTech calculator theme with four category blocks, live hero search, compact working scientific calculator, sitemap-driven internal links and responsive FSE templates.
Version: 1.6.0
Text Domain: fivetech-calculator
Requires at least: 6.1
Requires PHP: 7.4
*/
:root{--ft-primary:#2563eb;--ft-primary-dark:#1d4ed8;--ft-green:#10b981;--ft-amber:#f59e0b;--ft-purple:#7c3aed;--ft-red:#ef4444;--ft-navy:#0b1220;--ft-text:#0f172a;--ft-muted:#64748b;--ft-line:#e2e8f0;--ft-surface:#f7fafc;--ft-white:#fff;--ft-radius:18px;--ft-shadow:0 15px 45px rgba(15,23,42,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ft-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:var(--ft-primary);transition:.18s ease}img{max-width:100%;height:auto}.wp-site-blocks{padding:0!important}.entry-content,.wp-block-post-content{margin:0!important}.ft-wrap{width:min(1180px,calc(100% - 32px));margin-inline:auto}
/* header — intentionally NO header search */
.ft-header-shell{background:#fff;border-bottom:1px solid var(--ft-line);position:sticky;top:0;z-index:1000}.ft-topbar{background:#fff}.ft-header-main{min-height:74px;display:grid;grid-template-columns:210px 1fr 145px;align-items:center;gap:18px}.ft-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ft-navy);white-space:nowrap}.ft-brand-mark{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#10b981);color:#fff;font-size:24px;font-weight:900;box-shadow:0 8px 18px rgba(37,99,235,.18)}.ft-brand-copy{display:flex;flex-direction:column;line-height:1}.ft-brand-copy strong{font-size:21px;letter-spacing:-.03em}.ft-brand-copy small{font-size:11px;color:#475569;font-weight:800;margin-top:3px}.ft-nav{display:flex;justify-content:center;align-items:center;gap:24px}.ft-nav a{position:relative;color:#172033;text-decoration:none;font-size:13px;font-weight:750;padding:27px 0 25px}.ft-nav a.is-active:after,.ft-nav a:hover:after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:#2563eb;border-radius:4px}.ft-nav a:hover{color:#1d4ed8}.ft-header-tools{display:flex;justify-content:flex-end;align-items:center}.ft-theme-toggle,.ft-mobile-toggle{border:0;background:transparent;color:#172033;cursor:pointer;font:inherit}.ft-theme-toggle{font-size:12px;font-weight:750;display:flex;align-items:center;gap:7px}.ft-theme-dot{width:28px;height:16px;border-radius:999px;background:#dbeafe;position:relative;display:inline-block}.ft-theme-dot:after{content:"";position:absolute;left:3px;top:3px;width:10px;height:10px;border-radius:50%;background:#2563eb;transition:.2s}.ft-mobile-toggle{display:none;font-size:26px}.ft-mobile-panel{display:none}.ft-mobile-nav a{display:block;color:#172033;text-decoration:none;padding:11px 12px;border-radius:9px;font-weight:700}.ft-mobile-nav a:hover{background:#eff6ff}
/* live search */
.ft-live-search{position:relative;width:100%;z-index:1001}.ft-search-input-wrap{height:54px;background:#fff;border:1px solid #cbd5e1;border-radius:13px;display:flex;align-items:center;gap:9px;padding:0 14px;box-shadow:0 7px 18px rgba(15,23,42,.06)}.ft-search-input-wrap:focus-within{border-color:#93c5fd;box-shadow:0 0 0 4px rgba(37,99,235,.09)}.ft-search-icon{font-size:23px;color:var(--ft-primary);transform:rotate(-20deg)}.ft-search-input{flex:1;min-width:0;border:0!important;outline:0!important;background:transparent!important;box-shadow:none!important;font-size:15px;padding:12px 2px;color:var(--ft-text)}.ft-search-clear{border:0;background:#f1f5f9;color:#475569;width:30px;height:30px;border-radius:50%;font-size:19px;cursor:pointer}.ft-search-spinner{width:17px;height:17px;border:2px solid #dbeafe;border-top-color:var(--ft-primary);border-radius:50%;animation:ftspin .7s linear infinite}@keyframes ftspin{to{transform:rotate(360deg)}}.ft-search-panel{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--ft-line);border-radius:16px;box-shadow:0 24px 60px rgba(15,23,42,.18);padding:8px;max-height:470px;overflow:auto}.ft-search-result{display:flex;align-items:center;gap:11px;padding:11px;border-radius:12px;text-decoration:none;color:var(--ft-text)}.ft-search-result:hover,.ft-search-result.is-active{background:#f8fafc}.ft-result-icon{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#eff6ff,#ecfdf5);color:var(--ft-primary);font-weight:800}.ft-result-copy{min-width:0;flex:1}.ft-result-copy strong{display:block;font-size:14px}.ft-result-copy small{display:block;color:var(--ft-muted);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.ft-result-arrow{font-size:18px;color:#94a3b8}.ft-search-state{padding:20px;text-align:center;color:var(--ft-muted);font-size:14px}.ft-search-state strong{display:block;color:var(--ft-text);margin-bottom:3px}.ft-search-footer{padding:7px 10px 3px;color:#94a3b8;font-size:12px;display:flex;justify-content:space-between}.ft-match{background:#dbeafe;color:#1d4ed8;border-radius:3px;padding:0 2px}
/* hero */
.ft-hero{padding:52px 0 48px;background:radial-gradient(circle at 78% 18%,rgba(16,185,129,.12),transparent 24%),radial-gradient(circle at 17% 20%,rgba(37,99,235,.13),transparent 29%),linear-gradient(180deg,#fff 0%,#f4faff 100%);border-bottom:1px solid #eef2f7}.ft-hero-grid{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:38px}.ft-eyebrow,.ft-kicker{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:850;letter-spacing:.05em;text-transform:uppercase;color:#1d4ed8}.ft-eyebrow{padding:6px 10px;border-radius:999px;background:#eff6ff}.ft-hero h1{margin:15px 0 14px;color:#0f172a;font-size:clamp(38px,5vw,60px);line-height:1.02;letter-spacing:-.045em}.ft-hero h1 span{color:#2563eb}.ft-hero p{font-size:17px;line-height:1.65;max-width:680px;color:#475569;margin:0 0 21px}.ft-hero-search{max-width:690px}.ft-hero-pills{display:flex;flex-wrap:wrap;gap:7px;margin-top:11px}.ft-hero-pills span{border:1px solid #dbe6f1;background:rgba(255,255,255,.9);color:#475569;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:750}
/* small working calculator */
.ft-hero-visual{display:grid;place-items:center}.ft-scientific-shell{width:min(310px,100%);background:#f8fafc;border:1px solid #cbd5e1;border-radius:18px;padding:12px;box-shadow:0 22px 45px rgba(15,23,42,.14);transform:rotate(1deg)}.ft-scientific-top{display:flex;justify-content:space-between;align-items:center;color:#334155;font-size:10px;font-weight:800;text-transform:uppercase}.ft-calc-status{margin-right:6px;color:#2563eb}.ft-calc-mini-label{color:#94a3b8}.ft-calc-mode{border:0;background:#e2e8f0;color:#334155;border-radius:8px;padding:4px 8px;font-size:10px;font-weight:800;cursor:pointer}.ft-calc-display{margin:8px 0;background:#dcfce7;color:#0f172a;border:1px solid #a7f3d0;min-height:51px;border-radius:10px;text-align:right;padding:12px 10px;font-size:24px;font-variant-numeric:tabular-nums;overflow:hidden;white-space:nowrap}.ft-calc-keys{display:grid;grid-template-columns:repeat(5,1fr);gap:5px}.ft-calc-keys button{height:32px;border:1px solid #d5dde7;background:#eef2f6;color:#172033;border-radius:7px;font-size:11px;font-weight:800;cursor:pointer;transition:.14s}.ft-calc-keys button:hover{background:#e2e8f0}.ft-calc-keys .ft-calc-op{background:#fff7ed;color:#c2410c;border-color:#fed7aa}.ft-calc-keys .ft-calc-ac{background:#fee2e2;color:#b91c1c;border-color:#fecaca}.ft-calc-keys .ft-calc-equals{background:#2563eb;color:#fff;border-color:#2563eb}.ft-calc-keys button:nth-child(5n){font-weight:900}
/* sections */
.ft-section{padding:52px 0}.ft-section-soft{background:#f7fafc}.ft-section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.ft-section-head h2{font-size:clamp(27px,3vw,38px);line-height:1.1;letter-spacing:-.035em;margin:3px 0 0;color:#0f172a}.ft-section-head p{margin:7px 0 0;color:#64748b;font-size:14px}
/* popular */
.ft-popular-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.ft-tool-card{display:flex;flex-direction:column;align-items:center;text-align:center;min-height:154px;background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:15px 12px;text-decoration:none;color:#0f172a;box-shadow:0 4px 15px rgba(15,23,42,.035)}.ft-tool-card:hover{transform:translateY(-2px);border-color:#bfdbfe;box-shadow:0 14px 30px rgba(37,99,235,.09)}.ft-tool-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,#eff6ff,#ecfdf5);color:#2563eb;font-size:21px;font-weight:900;margin-bottom:11px}.ft-tool-content{min-width:0}.ft-tool-content strong{display:block;font-size:13px;line-height:1.35}.ft-tool-content small{display:block;color:#64748b;margin-top:5px;font-size:10px;line-height:1.4}.ft-arrow{margin-top:auto;color:#94a3b8;font-size:17px}
/* four mega category blocks */
.ft-mega-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.ft-mega-block{border:1px solid var(--ft-line);border-radius:19px;overflow:hidden;background:#fff;box-shadow:0 5px 18px rgba(15,23,42,.04)}.ft-mega-block.finance{border-top:4px solid #2563eb;background:linear-gradient(180deg,#fafdff 0%,#fff 100%)}.ft-mega-block.math{border-top:4px solid #10b981;background:linear-gradient(180deg,#fbfffd 0%,#fff 100%)}.ft-mega-block.health{border-top:4px solid #ef4444;background:linear-gradient(180deg,#fffafb 0%,#fff 100%)}.ft-mega-block.utility{border-top:4px solid #7c3aed;background:linear-gradient(180deg,#fcfaff 0%,#fff 100%)}.ft-mega-head{display:flex;align-items:center;gap:11px;padding:17px 18px 13px}.ft-mega-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#eff6ff;color:#2563eb;font-weight:900}.ft-mega-block.math .ft-mega-icon{background:#ecfdf5;color:#059669}.ft-mega-block.health .ft-mega-icon{background:#fff1f2;color:#e11d48}.ft-mega-block.utility .ft-mega-icon{background:#f5f3ff;color:#7c3aed}.ft-mega-head h3{margin:0;font-size:18px;letter-spacing:-.02em}.ft-mega-head p{margin:2px 0 0;color:#64748b;font-size:11px}.ft-subcat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;padding:0 12px 12px}.ft-subcat{border:1px solid #e5eaf0;border-radius:12px;background:#fff;overflow:hidden}.ft-subcat summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:9px 10px}.ft-subcat summary::-webkit-details-marker{display:none}.ft-subcat-badge{width:28px;height:28px;border-radius:8px;background:#f1f5f9;color:#2563eb;display:grid;place-items:center;font-size:13px;font-weight:900;flex:none}.ft-subcat summary strong{font-size:11px;line-height:1.3;flex:1}.ft-subcat summary small{color:#94a3b8;font-size:9px;margin-left:auto}.ft-subcat[open] summary{background:#f8fafc}.ft-subcat-links{border-top:1px solid #eef2f7;padding:6px;max-height:205px;overflow:auto}.ft-subcat-links a{display:block;padding:6px 7px;border-radius:7px;font-size:10px;line-height:1.35;color:#475569;text-decoration:none}.ft-subcat-links a:hover{background:#eff6ff;color:#1d4ed8}.ft-subcat-links a span{color:#94a3b8;margin-left:4px}
/* recent */
.ft-recent-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.ft-recent-card{display:flex;align-items:center;gap:11px;padding:13px 14px;border:1px solid var(--ft-line);border-radius:15px;background:#fff;text-decoration:none;color:#0f172a}.ft-recent-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;background:#ecfdf5;color:#059669;flex:none}.ft-recent-copy{min-width:0;flex:1}.ft-recent-copy strong{display:block;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ft-recent-copy small{display:block;color:#64748b;font-size:10px;margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.ft-recent-arrow{font-size:18px;color:#94a3b8}
/* Why 5iTech */
.ft-trust{padding:58px 0;background:linear-gradient(110deg,#eef7ff,#effdf7);border-top:1px solid #dbeafe;border-bottom:1px solid #e2e8f0}.ft-trust-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:45px;align-items:center}.ft-trust h2{margin:5px 0 12px;font-size:clamp(32px,4vw,52px);line-height:1.03;letter-spacing:-.04em;color:#0f172a}.ft-trust p{max-width:690px;margin:0;color:#475569;font-size:16px}.ft-trust-points{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.ft-trust-points div{background:#fff;border:1px solid #dce5ed;border-radius:15px;padding:17px;display:flex;align-items:center;gap:11px;min-height:66px;box-shadow:0 4px 14px rgba(15,23,42,.035)}.ft-trust-points b{font-size:12px;color:#2563eb}.ft-trust-points span{font-size:13px;font-weight:800;color:#172033}
/* footer */
.ft-footer{margin-top:0;background:#0b1220;color:#dbeafe}.ft-footer-main{padding:48px 0 30px}.ft-footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:32px}.ft-footer h3{font-size:15px;color:#fff;margin:0 0 12px}.ft-footer p,.ft-footer a,.ft-footer li{font-size:13px;color:#94a3b8}.ft-footer a{text-decoration:none}.ft-footer a:hover{color:#fff}.ft-footer ul{list-style:none;padding:0;margin:0}.ft-footer li{margin:8px 0}.ft-footer-brand{display:flex;align-items:center;gap:10px;color:#fff!important;text-decoration:none;font-weight:800}.ft-footer-brand .ft-brand-mark{width:40px;height:40px}.ft-footer-note{max-width:275px}.ft-footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:15px 0;color:#64748b;font-size:12px}.ft-footer-bottom .ft-wrap{display:flex;justify-content:space-between;gap:20px}
/* content templates */
.ft-content-shell{padding:48px 0}.ft-content-card{background:#fff;border:1px solid var(--ft-line);border-radius:22px;box-shadow:var(--ft-shadow);padding:clamp(22px,4vw,48px)}.ft-content-card h1{font-size:clamp(31px,4vw,48px);line-height:1.08;letter-spacing:-.04em;color:#0f172a}.ft-content-card h2{font-size:clamp(23px,3vw,34px);margin-top:36px}.ft-content-card h3{font-size:20px;margin-top:25px}.ft-content-card table{width:100%;border-collapse:collapse}.ft-content-card th,.ft-content-card td{border:1px solid var(--ft-line);padding:10px;text-align:left}.ft-content-card img{border-radius:14px}.ft-directory-az .ft-letter-nav{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}.ft-directory-az .ft-letter-nav a{padding:6px 9px;background:#eff6ff;border-radius:8px;text-decoration:none;font-weight:800;font-size:12px}.ft-az-links{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.ft-az-links a{display:block;padding:9px 10px;border:1px solid var(--ft-line);border-radius:9px;text-decoration:none;color:#334155;font-size:12px}
/* dark mode */
.ft-dark body{background:#07111f;color:#e2e8f0}.ft-dark .ft-header-shell,.ft-dark .ft-topbar,.ft-dark .ft-content-card,.ft-dark .ft-tool-card,.ft-dark .ft-category-card,.ft-dark .ft-subcat,.ft-dark .ft-subcat-links,.ft-dark .ft-recent-card,.ft-dark .ft-trust-points,.ft-dark .ft-search-input-wrap,.ft-dark .ft-search-panel{background:#0f172a;color:#e2e8f0}.ft-dark .ft-nav a,.ft-dark .ft-theme-toggle,.ft-dark .ft-content-card h1,.ft-dark .ft-section-head h2,.ft-dark .ft-mega-head h3,.ft-dark .ft-tool-card,.ft-dark .ft-recent-card,.ft-dark .ft-content-card h2,.ft-dark .ft-content-card h3{color:#f8fafc}.ft-dark .ft-section-soft{background:#07111f}.ft-dark .ft-line,.ft-dark .ft-tool-card,.ft-dark .ft-category-card,.ft-dark .ft-subcat,.ft-dark .ft-recent-card,.ft-dark .ft-content-card{border-color:#243244}.ft-dark .ft-search-input,.ft-dark .ft-content-card input,.ft-dark .ft-content-card select,.ft-dark .ft-content-card textarea{color:#e2e8f0}.ft-dark .ft-search-input-wrap,.ft-dark .ft-scientific-shell{border-color:#334155}.ft-dark .ft-search-result:hover,.ft-dark .ft-search-result.is-active,.ft-dark .ft-subcat summary,.ft-dark .ft-category-links a:hover{background:#162133}.ft-dark .ft-hero{background:linear-gradient(180deg,#07111f,#0f1b2d)}.ft-dark .ft-hero h1,.ft-dark .ft-trust h2{color:#f8fafc}.ft-dark .ft-hero p,.ft-dark .ft-section-head p,.ft-dark .ft-subcat-links a,.ft-dark .ft-recent-copy small,.ft-dark .ft-tool-content small{color:#9fb1c7}.ft-dark .ft-hero-pills span{background:#0f172a;border-color:#243244;color:#cbd5e1}.ft-dark .ft-mega-block{background:#0f172a}.ft-dark .ft-mega-block.finance{background:#0f172a}.ft-dark .ft-mega-block.math{background:#0f172a}.ft-dark .ft-mega-block.health{background:#0f172a}.ft-dark .ft-mega-block.utility{background:#0f172a}.ft-dark .ft-calc-display{color:#0f172a}
@media(max-width:1060px){.ft-header-main{grid-template-columns:190px 1fr 120px}.ft-nav{gap:12px}.ft-nav a{font-size:11px}.ft-popular-grid{grid-template-columns:repeat(3,1fr)}.ft-recent-grid{grid-template-columns:repeat(2,1fr)}.ft-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.ft-header-main{display:flex;justify-content:space-between}.ft-nav{display:none}.ft-mobile-toggle{display:block}.ft-hero-grid{grid-template-columns:1fr}.ft-hero-visual{order:-1}.ft-scientific-shell{width:min(290px,100%)}.ft-mega-grid{grid-template-columns:1fr}.ft-subcat-grid{grid-template-columns:repeat(2,1fr)}.ft-trust-grid{grid-template-columns:1fr}.ft-ftreust-points{grid-template-columns:1fr 1fr}.ft-mobile-panel{position:absolute;left:11px;right:11px;top:66px;background:#fff;border:1px solid var(--ft-line);border-radius:15px;box-shadow:var(--ft-shadow);padding:10px}.ft-mobile-panel[hidden]{display:none}.ft-mobile-panel{display:block}.ft-mobile-nav a{padding:11px}.ft-header-tools{margin-left:auto}}
@media(max-width:620px){.ft-wrap{width:min(100% - 22px,1180px)}.ft-hero{padding:42px 0}.ft-hero h1{font-size:38px}.ft-hero p{font-size:15px}.ft-popular-grid{grid-template-columns:repeat(2,1fr)}.ft-subcat-grid{grid-template-columns:1fr}.ft-recent-grid{grid-template-columns:1fr}.ft-trust-points{grid-template-columns:1fr}.ft-footer-grid{grid-template-columns:1fr}.ft-footer-bottom .ft-wrap{display:block}.ft-footer-bottom span+span{display:block;margin-top:5px}.ft-section{padding:44px 0}}
@media(max-width:430px){.ft-popular-grid{grid-template-columns:1fr 1fr}.ft-tool-card{min-height:140px;padding:12px 8px}.ft-tool-icon{width:42px;height:42px}}