/*
Theme Name: Feed & Speed Calculator
Theme URI: https://feedandspeedcalculator.com/
Description: Independent technical theme for Feed & Speed Calculator.
Version: 2.0.0
Author: Feed & Speed Calculator
License: GPL-2.0-or-later
Text Domain: fsc
*/

:root{--navy:#07171e;--navy2:#0b2730;--sea:#167f92;--cyan:#54c3d0;--gold:#e7b65b;--ink:#17262d;--muted:#617078;--bg:#f4f7f7;--surface:#fff;--line:#dbe5e7;--max:1180px;--radius:18px;--shadow:0 16px 45px rgba(9,34,42,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.72}a{color:var(--sea);text-decoration:none}a:hover{color:#0b5d6d}button,input,select{font:inherit}.fsc-wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.fsc-header{position:sticky;top:0;z-index:100;background:rgba(7,23,30,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08)}.fsc-nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:25px}.fsc-brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:800;letter-spacing:-.02em}.fsc-logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,#2395a6,#0a3540);display:grid;place-items:center;color:#fff}.fsc-logo svg{width:22px}.fsc-menu{display:flex;align-items:center;gap:21px;list-style:none;margin:0;padding:0}.fsc-menu a{color:#d9e7ea;font-size:14px;font-weight:650}.fsc-menu .cta{background:#fff;color:var(--navy);padding:9px 14px;border-radius:999px}.fsc-mobile{display:none;border:0;background:none;color:#fff;font-size:25px}.fsc-hero{color:#fff;background:radial-gradient(circle at 82% 24%,rgba(44,169,187,.34),transparent 29%),linear-gradient(135deg,#05131a,#092a34 60%,#0d3f4a);padding:92px 0 88px}.fsc-hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}.fsc-eyebrow,.fsc-kicker{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:850}.fsc-eyebrow{color:#a8dce3;margin-bottom:15px}.fsc-hero h1{font-size:clamp(43px,5.4vw,72px);line-height:1.02;letter-spacing:-.055em;margin:0 0 22px}.fsc-hero p{color:#c8d9dd;max-width:700px;font-size:18px}.fsc-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.fsc-btn{display:inline-flex;align-items:center;justify-content:center;min-height:45px;padding:11px 17px;border-radius:12px;border:1px solid transparent;font-weight:800;cursor:pointer}.fsc-btn-primary{background:#fff;color:var(--navy)}.fsc-btn-dark{background:var(--sea);color:#fff}.fsc-btn-outline{border-color:rgba(255,255,255,.2);color:#fff;background:rgba(255,255,255,.04)}.fsc-note{font-size:13px!important;color:#9fb6bc!important;margin-top:18px}.fsc-tool-card{background:#fff;color:var(--ink);border-radius:24px;padding:24px;box-shadow:0 25px 75px rgba(0,0,0,.3)}.fsc-tool-card h2{margin:0;font-size:22px;letter-spacing:-.025em}.fsc-tool-card .sub{color:var(--muted);font-size:13px;margin:3px 0 18px}.fsc-section{padding:78px 0}.fsc-section.alt{background:#fff}.fsc-section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:30px}.fsc-kicker{color:var(--sea)}.fsc-section-head h2{font-size:36px;line-height:1.1;letter-spacing:-.04em;margin:4px 0 9px}.fsc-section-head p{max-width:680px;color:var(--muted);margin:0}.fsc-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.fsc-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.fsc-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;box-shadow:0 5px 22px rgba(9,34,42,.04)}.fsc-card h3{margin:0 0 8px;font-size:20px;line-height:1.25}.fsc-card p{color:var(--muted);font-size:14px;margin:0 0 13px}.fsc-card .tag{display:inline-block;font-size:11px;font-weight:800;color:#0d6675;background:#eaf5f6;border-radius:999px;padding:4px 8px;margin-bottom:13px}.fsc-content-hero{background:linear-gradient(135deg,#07171e,#0d3540);color:#fff;padding:72px 0}.fsc-content-hero h1{font-size:clamp(40px,5vw,62px);line-height:1.05;letter-spacing:-.05em;margin:8px 0 15px}.fsc-content-hero p{max-width:800px;color:#c8d9dd;font-size:18px}.fsc-content{padding:58px 0 85px}.fsc-prose{max-width:900px}.fsc-prose h2{font-size:31px;line-height:1.2;letter-spacing:-.035em;margin:42px 0 12px}.fsc-prose h3{font-size:22px;margin:30px 0 9px}.fsc-prose p{margin:0 0 16px}.fsc-prose ul,.fsc-prose ol{padding-left:23px}.fsc-prose li{margin:6px 0}.fsc-prose blockquote{border-left:4px solid var(--gold);margin:25px 0;padding:14px 20px;background:#fff;border-radius:0 12px 12px 0;color:#435158}.fsc-callout{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;margin:25px 0}.fsc-callout strong{display:block;margin-bottom:5px}.fsc-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}.fsc-table th,.fsc-table td{padding:12px 14px;border-bottom:1px solid #e8eef0;text-align:left;font-size:14px}.fsc-table th{background:#edf4f5}.fsc-table tr:last-child td{border-bottom:0}.fsc-faq{border:1px solid var(--line);background:#fff;border-radius:14px;padding:18px 20px;margin:10px 0}.fsc-faq h3{font-size:18px;margin:0 0 7px}.fsc-related{margin-top:50px;padding-top:30px;border-top:1px solid var(--line)}.fsc-calculator{background:#fff;border:1px solid var(--line);border-radius:22px;padding:25px;box-shadow:var(--shadow)}.fsc-calc-top{display:flex;justify-content:space-between;gap:15px;align-items:start;margin-bottom:20px}.fsc-calc-top h2{margin:0;font-size:23px}.fsc-calc-top p{margin:4px 0 0;color:var(--muted);font-size:13px}.fsc-unit-tabs{display:flex;background:#edf3f4;padding:4px;border-radius:12px;margin-bottom:19px}.fsc-unit-tabs button{flex:1;border:0;background:transparent;border-radius:9px;padding:9px;font-weight:750;color:#5f6e74;cursor:pointer}.fsc-unit-tabs button.active{background:#fff;color:#0c6978;box-shadow:0 2px 8px rgba(0,0,0,.08)}.fsc-fields{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.fsc-field label{display:block;font-size:12px;font-weight:800;color:#46545a;margin-bottom:6px}.fsc-field input,.fsc-field select{width:100%;height:46px;border:1px solid #ccdadd;border-radius:10px;padding:0 12px;background:#fff;outline:none}.fsc-field input:focus,.fsc-field select:focus{border-color:#2493a5;box-shadow:0 0 0 3px rgba(36,147,165,.12)}.fsc-calc-button{width:100%;margin-top:16px;border:0;background:var(--sea);color:#fff}.fsc-results{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-top:15px}.fsc-result{background:#f4f8f8;border:1px solid #dce7e8;border-radius:13px;padding:13px}.fsc-result span{display:block;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#6c7b81}.fsc-result strong{display:block;font-size:24px;letter-spacing:-.035em;color:#092e38}.fsc-result small{font-size:11px;color:#6f7e83}.fsc-warning{font-size:12px;color:#69777c;margin:15px 0 0}.fsc-tool-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:26px}.fsc-side{background:#fff;border:1px solid var(--line);border-radius:18px;padding:23px;height:max-content}.fsc-side h3{margin-top:0}.fsc-operation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.fsc-article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.fsc-article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.fsc-article h3{margin:0 0 8px;font-size:20px}.fsc-article p{color:var(--muted);font-size:14px}.fsc-article .meta{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--sea);font-weight:800}.fsc-footer{background:#06151b;color:#c5d3d7;padding:56px 0 25px}.fsc-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}.fsc-footer h3{color:#fff;font-size:14px;margin:0 0 11px}.fsc-footer ul{list-style:none;margin:0;padding:0}.fsc-footer li{margin:7px 0}.fsc-footer a{color:#b9cbd0;font-size:13px}.fsc-footer-brand{color:#fff;font-size:20px;font-weight:800}.fsc-footer-note{font-size:13px;color:#8fa5ab;max-width:360px}.fsc-footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:35px;padding-top:18px;display:flex;justify-content:space-between;font-size:12px;color:#82969c}
@media(max-width:960px){.fsc-hero-grid,.fsc-tool-layout{grid-template-columns:1fr}.fsc-grid-3,.fsc-operation-grid,.fsc-article-grid{grid-template-columns:1fr 1fr}.fsc-grid-4{grid-template-columns:1fr 1fr}.fsc-footer-grid{grid-template-columns:1.5fr 1fr 1fr}.fsc-menu{gap:13px}}
@media(max-width:700px){.fsc-wrap{width:min(var(--max),calc(100% - 28px))}.fsc-menu{display:none}.fsc-mobile{display:block}.fsc-hero{padding:65px 0}.fsc-hero h1{font-size:43px}.fsc-section{padding:55px 0}.fsc-section-head{display:block}.fsc-section-head h2{font-size:30px}.fsc-grid-3,.fsc-grid-4,.fsc-operation-grid,.fsc-article-grid,.fsc-fields,.fsc-results{grid-template-columns:1fr}.fsc-content-hero{padding:55px 0}.fsc-content{padding:42px 0 65px}.fsc-footer-grid{grid-template-columns:1fr 1fr}.fsc-footer-bottom{display:block}.fsc-footer-bottom span{display:block;margin:5px 0}}
.fsc-library-group{padding:10px 0 28px}.fsc-library-group+.fsc-library-group{padding-top:34px;border-top:1px solid var(--border)}.fsc-inline-cta{margin-top:28px;text-align:center}.fsc-cta{padding:78px 0;background:linear-gradient(135deg,#07171e,#0d2f39);color:#fff}.fsc-cta h2{margin:0 0 10px;font-size:clamp(30px,4vw,48px);line-height:1.1}.fsc-cta p{max-width:700px;margin:0 0 24px;color:#d4e2e5}.fsc-home .fsc-card,.fsc-home .fsc-article{height:100%}@media(max-width:760px){.fsc-cta{padding:56px 0}.fsc-library-group{padding-bottom:16px}}

/* V2.3 value-first content, article archive and tool presentation */
.fsc-tool-label{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eaf5f6;color:#0d6675;font-size:11px;font-weight:850;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.fsc-tool-first{margin-bottom:36px}.fsc-value-panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;margin:28px 0}.fsc-value-panel-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:18px}.fsc-value-panel-head span{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--sea);font-weight:850}.fsc-value-panel-head strong{font-size:14px}.fsc-value-panel small{display:block;color:var(--muted);margin-top:5px;font-size:12px}.fsc-reference-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0 28px}.fsc-reference-card{display:block;background:#f7fafb;border:1px solid var(--line);border-radius:15px;padding:17px;color:var(--ink);transition:.18s ease}.fsc-reference-card:hover{transform:translateY(-2px);border-color:#b8d3d8}.fsc-reference-card b{display:block;font-size:16px;margin-bottom:5px}.fsc-reference-card span{display:block;color:var(--muted);font-size:13px;line-height:1.5}.fsc-material-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:28px 0}.fsc-material-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 5px 22px rgba(9,34,42,.04)}.fsc-material-card h3{margin:0 0 8px;font-size:19px}.fsc-material-card p{color:var(--muted);font-size:14px}.material-icon{width:38px;height:38px;border-radius:11px;background:#eaf5f6;color:#0c6978;display:grid;place-items:center;font-weight:900;margin-bottom:14px}.material-note{border-top:1px solid var(--line);padding-top:12px;margin-top:14px;font-size:12px}.material-note strong,.material-note span{display:block}.material-note span{color:var(--muted);margin-top:4px}.fsc-guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:28px 0}.fsc-guide-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.fsc-guide-card h3{margin:0 0 8px}.fsc-guide-card p{color:var(--muted);font-size:14px}.fsc-step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.fsc-step-list>div{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px}.fsc-step-list b{color:var(--sea);font-size:12px;letter-spacing:.08em}.fsc-formula-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:25px 0}.fsc-formula-card{background:#07171e;color:#d8e7ea;border-radius:17px;padding:20px}.fsc-formula-card b{display:block;color:#fff;margin-bottom:10px}.fsc-formula-card code{display:block;color:#e7b65b;white-space:normal;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;line-height:1.55}.fsc-formula-card span{display:block;color:#9fb6bc;font-size:12px;margin-top:10px}.fsc-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0}.fsc-article-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 6px 24px rgba(9,34,42,.05)}.fsc-article-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.fsc-article-card-body{padding:20px}.fsc-article-card-body h3{margin:4px 0 8px;font-size:20px;line-height:1.25}.fsc-article-card-body p{color:var(--muted);font-size:14px;margin:0 0 13px}.fsc-article-card .meta{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--sea);font-weight:800}.fsc-load-hidden{display:none}.fsc-load-more{display:block;margin:28px auto 10px;border:0}.fsc-article-lead{margin-bottom:32px}.fsc-article-cover{margin:0 0 25px}.fsc-inline-image{margin:28px 0;padding:0;background:#07171e;border-radius:18px;overflow:hidden}.fsc-inline-image img{display:block;width:100%;height:auto}.fsc-inline-image figcaption{padding:9px 13px;color:#9fb6bc;font-size:11px}.fsc-article-cover img{display:block;width:100%;height:auto;border-radius:20px}.fsc-article-cover figcaption{display:none}
@media(max-width:960px){.fsc-reference-grid,.fsc-material-grid,.fsc-formula-grid{grid-template-columns:repeat(2,1fr)}.fsc-guide-grid,.fsc-blog-grid{grid-template-columns:1fr 1fr}.fsc-step-list{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.fsc-reference-grid,.fsc-material-grid,.fsc-formula-grid,.fsc-guide-grid,.fsc-blog-grid,.fsc-step-list{grid-template-columns:1fr}.fsc-value-panel-head{display:block}.fsc-value-panel-head strong{display:block;margin-top:5px}}

/* V2.6 editable homepage */
.fsc-editable-home .fsc-home-editable-hero{padding:72px 0 56px;max-width:980px}
.fsc-editable-home .fsc-home-editable-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;margin:.15em 0 .25em}
.fsc-editable-home .fsc-home-editable-hero .lead{font-size:1.18rem;max-width:820px}
.fsc-editable-home .fsc-section{padding:64px 0}
.fsc-editable-home .fsc-section.alt{background:rgba(127,127,127,.06)}
.fsc-editable-home .fsc-section-head{margin-bottom:28px}
.fsc-editable-home .fsc-tool-card{margin-top:20px}