/*
Theme Name: MzStructCalc Premium
Author: MzDigital
Description: Responsive structural engineering calculator SaaS theme for the MzStructCalc plugin.
Version: 1.2.0-test
Requires PHP: 7.4
Text Domain: mzstructcalc-premium
*/
:root{--navy:#071f3d;--navy2:#0b335c;--orange:#ff6a00;--text:#142c4b;--muted:#63738a;--line:#e2e8f0}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.wrap{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}.site-header{position:relative;z-index:5;background:white;border-bottom:1px solid #e9edf3}.header-inner{max-width:1240px;margin:auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand img{display:block;width:244px;max-width:100%;height:auto}.main-nav{display:flex;align-items:center;gap:24px;font-size:14px;font-weight:650}.main-nav a:hover{color:var(--orange)}.nav-login{border:1px solid #cbd5e1;padding:9px 17px;border-radius:5px}.nav-pro{background:var(--orange);color:white!important;padding:10px 19px;border-radius:5px}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;padding:7px 12px;border-radius:6px}.hero{background:linear-gradient(110deg,#061b35,#0b335c);color:white;overflow:hidden}.hero-inner{max-width:1240px;margin:auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:465px;padding:45px 24px}.hero-copy{position:relative;z-index:1}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:800;color:#ff9c4c}.eyebrow.orange{color:var(--orange)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.3vw,61px);line-height:1.12;letter-spacing:-1.8px;margin:17px 0 22px}h1 em{color:var(--orange);font-style:normal}.hero-copy>p{max-width:575px;color:#d4e2f1;font-size:17px}.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin:28px 0}.btn{display:inline-block;border-radius:6px;padding:12px 22px;font-weight:750;font-size:14px;text-align:center}.btn-orange{background:var(--orange);color:white}.btn-outline{border:1px solid #9db5d0;color:white}.btn-dark{background:var(--navy);color:white}.hero-disclaimer{font-size:12px!important;opacity:.8}.hero-visual{position:relative}.hero-visual img{width:115%;max-width:none;display:block;filter:drop-shadow(0 25px 50px #0004)}.stats{display:grid;grid-template-columns:repeat(4,1fr);padding-top:25px;padding-bottom:25px;border-bottom:1px solid var(--line)}.stats div{display:flex;flex-direction:column;align-items:center;border-right:1px solid var(--line)}.stats div:last-child{border:0}.stats strong{font-size:28px;color:var(--navy)}.stats span{font-size:13px;color:var(--muted)}.section{padding-top:66px;padding-bottom:70px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:25px}.section h2{font-size:clamp(28px,3vw,39px);line-height:1.2;margin:10px 0}.section-heading p{color:var(--muted)}.search-box input{border:1px solid #d8e0e9;padding:13px 17px;border-radius:7px;min-width:280px;outline-color:var(--orange)}.category-filters{display:flex;gap:9px;overflow-x:auto;padding:16px 0 24px}.filter{white-space:nowrap;background:#f4f7fb;border:1px solid #e5eaf1;border-radius:99px;padding:8px 14px;color:#42566e;font-size:13px}.filter.active{background:var(--navy);color:#fff}.grid-calc{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.calc-card{background:#fff;border:1px solid #e3e9f0;border-radius:12px;padding:23px;min-height:185px;display:flex;flex-direction:column;box-shadow:0 4px 14px #09234108;transition:transform .2s,border-color .2s}.calc-card:hover{transform:translateY(-3px);border-color:var(--orange)}.calc-card[hidden]{display:none}.calc-icon{font-size:30px;color:var(--orange);line-height:1.2;margin-bottom:10px}.calc-card small{color:var(--muted);font-size:12px}.calc-card strong{font-size:17px;margin:5px 0 12px}.calc-link{color:#ec6200;font-weight:750;font-size:13px;margin-top:auto}.feature-band{background:#f3f7fc}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}.feature-grid article{background:white;border:1px solid #e2eaf3;border-radius:12px;padding:26px}.feature-grid article>span{font-size:30px;color:var(--orange)}.feature-grid h3{margin:10px 0}.feature-grid p{font-size:14px;color:var(--muted)}.pricing{text-align:center}.pricing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,360px));gap:20px;justify-content:center;margin:30px auto}.pricing-grid article{position:relative;border:1px solid var(--line);border-radius:13px;padding:35px;text-align:left}.pricing-grid .featured{border:2px solid var(--orange)}.plan-label{position:absolute;right:20px;top:20px;font-size:11px;color:var(--orange);font-weight:800}.price{font-size:30px;font-weight:800;color:var(--navy)}.pricing-grid article>p:not(.price){color:var(--muted);min-height:72px}.site-footer{background:#071b34;color:#e4edf8}.footer-inner{display:flex;justify-content:space-between;gap:30px;padding-top:40px;padding-bottom:35px}.footer-inner strong{font-size:25px}.footer-inner strong span{color:var(--orange)}.footer-inner p{color:#b7c7d8;font-size:13px}.footer-inner>div:last-child{display:flex;gap:20px;font-size:14px}.footer-bottom{border-top:1px solid #26415e;text-align:center;padding:18px;font-size:12px;color:#a8bbce}.footer-bottom a{color:#fff}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.notice{background:#fff2e8;padding:15px;border-radius:7px}main.wrap{min-height:60vh}main article{padding:25px;background:#fff;border:1px solid var(--line);border-radius:10px;margin:20px 0}@media(max-width:1000px){.main-nav{gap:12px}.grid-calc{grid-template-columns:repeat(3,1fr)}.feature-grid{grid-template-columns:repeat(2,1fr)}.brand img{width:210px}}@media(max-width:740px){.nav-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;padding:20px 24px;box-shadow:0 12px 22px #09234122}.main-nav.open{display:flex}.hero-inner{grid-template-columns:1fr;padding-top:45px;padding-bottom:20px}.hero-visual img{width:100%}.stats{grid-template-columns:repeat(2,1fr);gap:16px}.stats div:nth-child(2){border:0}.section-heading{align-items:stretch;flex-direction:column}.search-box input{width:100%;min-width:0}.grid-calc{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column}}@media(max-width:460px){.grid-calc,.feature-grid{grid-template-columns:1fr}.brand img{width:205px}.wrap{padding-left:18px;padding-right:18px}.stats span{text-align:center}.hero-copy>p{font-size:15px}}

/* 0.11 account and accessibility enhancements */
.skip-link{position:absolute;left:12px;top:-100px;background:#fff;color:#071f3d;padding:12px;z-index:9999}.skip-link:focus{top:8px}
:focus-visible{outline:3px solid #ff6a00;outline-offset:3px}
.mzsc-account{padding-top:60px;padding-bottom:90px;min-height:65vh}.account-heading{max-width:740px}.account-heading h1{color:var(--navy);font-size:clamp(32px,4vw,48px)}.account-heading p{color:var(--muted)}.account-message{border:1px solid var(--line);background:#f5f8fc;padding:28px;border-radius:12px;max-width:700px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.calc-card{transition:none}}

/* v1.0 calculator library landing page */
.library-hero{background:radial-gradient(circle at 88% 12%,#215a80 0,transparent 38%),linear-gradient(125deg,#061b35,#0b335c);color:#fff;padding:80px 0 86px}
.library-hero .wrap{max-width:1200px}.library-hero h1{max-width:850px;font-size:clamp(34px,5vw,62px)}.library-hero p{max-width:690px;color:#d4e2f1;font-size:18px;margin-bottom:25px}
.mzsc-library-page .section-heading{margin-bottom:26px}.library-tools-ui{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:22px;box-shadow:0 12px 38px #0923410d;overflow-x:auto}
.library-dependency{border:1px solid #e7a36b;background:#fff5e9;border-radius:12px;padding:26px;max-width:820px}.library-dependency h3{margin-bottom:8px}
.library-editorial{margin-top:28px}.library-safety{background:#eef4f9;padding:28px 0;border-top:1px solid #dce6ee}.library-safety strong{color:#071f3d}.library-safety p{margin:6px 0 0;color:#42566e;font-size:14px;max-width:950px}
@media(max-width:740px){.library-hero{padding:48px 0 55px}.library-tools-ui{padding:12px}}

/* v1.1: readable SEO articles and calculator-to-blog discovery */
.mzsc-article{max-width:860px;margin:3rem auto;padding:0 22px 4rem;line-height:1.8}
.mzsc-article h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.18;margin:0 0 1.2rem}
.mzsc-article h2{font-size:clamp(1.35rem,2.4vw,1.9rem);margin:2rem 0 .7rem}
.mzsc-article p{margin:.8rem 0 1.2rem}
.mzsc-article a{color:#e76b18;text-decoration:underline;text-underline-offset:3px}
.mzsc-article .mzsc-back{display:inline-block;margin-bottom:1.5rem}
.mzsc-article-cta{background:#edf5fa;border-left:5px solid #f47721;padding:18px 22px;border-radius:8px;margin-top:2.5rem}
@media(max-width:640px){.mzsc-article{margin:1.4rem auto;padding:0 16px 2.5rem}}

/* v1.2 Blog header link and automatic recent-posts footer */
.main-nav .nav-blog{color:var(--navy);font-weight:800;border-bottom:2px solid var(--orange);padding:7px 1px}
.main-nav .nav-blog[aria-current="page"]{color:#e65e00}
.mzsc-footer-columns{display:grid;grid-template-columns:minmax(210px,1.2fr) minmax(125px,.65fr) minmax(260px,1.55fr);gap:44px;align-items:start}
.footer-inner.mzsc-footer-columns>div:last-child{display:block;font-size:14px}
.footer-navigation{display:flex;flex-direction:column;gap:10px}
.site-footer h2{font-size:17px;color:#fff;margin:0 0 15px;font-weight:750}
.site-footer a:hover,.site-footer a:focus-visible{color:#ff9b55}
.footer-post-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-post-list li{line-height:1.45}
.footer-post-list a{color:#d9e6f3;font-size:14px}
.footer-view-all{display:inline-block;margin-top:17px;color:#ff9b55;font-weight:700;font-size:13px}
.footer-empty{color:#b7c7d8}
@media(max-width:850px){.mzsc-footer-columns{grid-template-columns:1fr 1fr;gap:28px}.footer-blog{grid-column:1/-1}}
@media(max-width:520px){.mzsc-footer-columns{grid-template-columns:1fr}.footer-blog{grid-column:auto}.main-nav .nav-blog{align-self:flex-start}}