/*
Theme Name: Four Star Industries
Theme URI: https://example.com/four-star-industries
Author: OpenAI
Description: Industrial WordPress theme for Four Star Industries — manufacturer of automotive vehicle locks, truck and bus body hardware, window slides, budget locks, lorry locks, door locks and related assemblies.
Version: 1.2.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: four-star-industries
*/

:root{
  --fsi-bg:#f3f4f6;
  --fsi-surface:#ffffff;
  --fsi-ink:#181b20;
  --fsi-muted:#67717a;
  --fsi-dark:#121519;
  --fsi-dark-2:#1c2228;
  --fsi-accent:#e95657;
  --fsi-accent-dark:#cf3f40;
  --fsi-steel:#7f8d97;
  --fsi-blue:#168cf2;
  --fsi-orange:#e95657; /* legacy alias: prevents old cached yellow/orange CTA colors */
  --fsi-steel-dark:#4c5962;
  --fsi-border:#d8dde2;
  --fsi-radius:16px;
  --fsi-shadow:0 16px 40px rgba(17,24,32,.08);
  --fsi-container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--fsi-bg);color:var(--fsi-ink);line-height:1.6}
a{color:var(--fsi-accent);text-decoration:none}
a:hover{color:var(--fsi-accent-dark)}
img{max-width:100%;height:auto;display:block}
.fsi-container{width:min(calc(100% - 32px),var(--fsi-container));margin:0 auto}
.fsi-topbar{background:#090b0d;color:#d7dce0;font-size:13px}
.fsi-topbar .fsi-container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px}
.fsi-topbar a{color:#fff}
.fsi-topbar__links{display:flex;gap:18px;flex-wrap:wrap}
.fsi-header{background:var(--fsi-dark);backdrop-filter:blur(10px);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(255,255,255,.08)}
.admin-bar .fsi-header{top:32px}
.fsi-nav{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:24px}
.fsi-brand{display:flex;align-items:center;gap:12px;font-weight:900;color:#fff;letter-spacing:.02em}
.fsi-brand img{max-height:52px;width:auto}
.fsi-brand__mark{width:46px;height:46px;border-radius:12px;background:linear-gradient(145deg,var(--fsi-accent),var(--fsi-accent-dark));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:0 8px 20px rgba(233,86,87,.24)}
.fsi-menu{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.fsi-menu a{color:#eef1f3;font-weight:700;font-size:14px}
.fsi-menu .current-menu-item>a,.fsi-menu a:hover{color:var(--fsi-accent)}
.fsi-nav__actions{display:flex;align-items:center;gap:10px}
.fsi-menu-toggle{display:none;border:1px solid rgba(255,255,255,.16);background:#20252b;color:#fff;border-radius:10px;padding:10px 12px;font-weight:800}
.fsi-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 18px;font-weight:800;border:1px solid transparent;transition:.2s ease;cursor:pointer;font:inherit}
.fsi-btn--primary{background:var(--fsi-accent);color:#fff}
.fsi-btn--primary:hover{background:var(--fsi-accent-dark);color:#fff;transform:translateY(-1px)}
.fsi-btn--secondary{background:var(--fsi-steel-dark);color:#fff}
.fsi-btn--secondary:hover{background:#343e46;color:#fff}
.fsi-btn--ghost{background:#fff;color:var(--fsi-ink);border-color:var(--fsi-border)}
.fsi-hero{position:relative;overflow:hidden;background:linear-gradient(112deg,var(--fsi-dark) 0%,#1a1f24 58%,#4a2022 125%);color:#fff;padding:92px 0 84px}
.fsi-hero:after{content:"";position:absolute;inset:auto -10% -55% 50%;width:620px;height:620px;border-radius:50%;border:100px solid rgba(255,255,255,.035)}
.fsi-hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;position:relative;z-index:1}
.fsi-eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;font-weight:900;font-size:13px;letter-spacing:.13em;color:var(--fsi-accent);margin-bottom:18px}
.fsi-hero h1{font-size:clamp(42px,6vw,72px);line-height:1.02;margin:0 0 22px;max-width:840px;letter-spacing:-.035em}
.fsi-hero p{font-size:18px;color:#d2dee5;max-width:680px;margin:0 0 30px}
.fsi-hero__buttons{display:flex;flex-wrap:wrap;gap:12px}
.fsi-hero__panel{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:28px;box-shadow:0 24px 80px rgba(0,0,0,.18)}
.fsi-hero__panel h3{font-size:18px;margin:0 0 18px}
.fsi-checks{display:grid;gap:14px}
.fsi-check{display:flex;gap:12px;align-items:flex-start;color:#e7eef2}
.fsi-check:before{content:"★";color:var(--fsi-accent);font-size:14px;margin-top:3px}
.fsi-section{padding:76px 0}
.fsi-section--white{background:#fff}
.fsi-section--dark{background:#15191d;color:#fff}
.fsi-section-head{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:34px}
.fsi-section-head h2{font-size:clamp(30px,4vw,46px);line-height:1.1;margin:0;letter-spacing:-.025em}
.fsi-section-head p{max-width:640px;color:var(--fsi-muted);margin:0}
.fsi-section--dark .fsi-section-head p{color:#b9c7cf}
.fsi-grid{display:grid;gap:22px}
.fsi-grid--3{grid-template-columns:repeat(3,1fr)}
.fsi-grid--4{grid-template-columns:repeat(4,1fr)}
.fsi-card{background:#fff;border:1px solid var(--fsi-border);border-radius:var(--fsi-radius);padding:26px;box-shadow:0 1px 0 rgba(17,24,32,.03);transition:.2s ease}
.fsi-card:hover{transform:translateY(-3px);box-shadow:var(--fsi-shadow)}
.fsi-card__icon{width:48px;height:48px;border-radius:12px;background:#fde9ea;color:var(--fsi-accent);display:grid;place-items:center;font-weight:900;margin-bottom:20px}
.fsi-card h3{margin:0 0 10px;font-size:20px}
.fsi-card p{margin:0;color:var(--fsi-muted)}
.fsi-product-card{background:#fff;border:1px solid var(--fsi-border);border-radius:var(--fsi-radius);overflow:hidden;display:flex;flex-direction:column;min-height:100%}
.fsi-product-card__image{aspect-ratio:4/3;background:linear-gradient(145deg,#f8fafb,#e8edf0);display:grid;place-items:center;overflow:hidden}
.fsi-product-card__image img{width:100%;height:100%;object-fit:contain;padding:18px}
.fsi-product-card__placeholder{font-size:44px;color:#aebac2}
.fsi-product-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.fsi-product-card__body h3{margin:0;font-size:20px}
.fsi-product-meta{font-size:13px;color:var(--fsi-muted);display:flex;flex-wrap:wrap;gap:8px}
.fsi-product-meta span{background:#f1f4f6;border-radius:999px;padding:5px 9px}
.fsi-product-card__body .fsi-btn{margin-top:auto;align-self:flex-start}
.fsi-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.fsi-stat{padding:24px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);border-radius:16px}
.fsi-stat strong{display:block;font-size:30px;color:#fff}.fsi-stat span{color:#b7c5ce}
.fsi-split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.fsi-panel{background:#fff;border:1px solid var(--fsi-border);border-radius:20px;padding:32px;box-shadow:var(--fsi-shadow)}
.fsi-page-hero{background:linear-gradient(120deg,var(--fsi-dark),#421d1f);color:#fff;padding:62px 0}
.fsi-page-hero h1{font-size:clamp(36px,5vw,58px);margin:0 0 12px;line-height:1.08}.fsi-page-hero p{color:#d6e0e6;max-width:760px;margin:0}
.fsi-content{padding:58px 0}.fsi-content article{background:#fff;border:1px solid var(--fsi-border);border-radius:18px;padding:34px}
.fsi-content h2,.fsi-content h3{line-height:1.2}.fsi-content p{color:#34424c}
.fsi-form{display:grid;gap:16px}.fsi-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.fsi-field label{display:block;font-weight:800;font-size:14px;margin-bottom:6px}.fsi-field input,.fsi-field textarea,.fsi-field select{width:100%;border:1px solid #cbd5db;border-radius:10px;padding:12px 13px;background:#fff;color:#17232d;font:inherit}.fsi-field textarea{min-height:130px;resize:vertical}.fsi-alert{padding:12px 14px;border-radius:10px;margin-bottom:16px}.fsi-alert--success{background:#e9f7ef;color:#175c35}.fsi-alert--error{background:#fdeeee;color:#8b1b1b}
.fsi-product-single{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}.fsi-product-single__image{background:#fff;border:1px solid var(--fsi-border);border-radius:18px;padding:24px}.fsi-specs{margin:22px 0;border:1px solid var(--fsi-border);border-radius:14px;overflow:hidden}.fsi-spec-row{display:grid;grid-template-columns:170px 1fr;border-bottom:1px solid var(--fsi-border)}.fsi-spec-row:last-child{border-bottom:0}.fsi-spec-row strong,.fsi-spec-row span{padding:11px 14px}.fsi-spec-row strong{background:#f5f7f8}
.fsi-footer{background:#090b0d;color:#b7bec4;padding:58px 0 22px}.fsi-footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}.fsi-footer h3,.fsi-footer h4{color:#fff;margin-top:0}.fsi-footer a{color:#cbd5db}.fsi-footer a:hover{color:#fff}.fsi-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}.fsi-footer__bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;display:flex;justify-content:space-between;gap:16px;font-size:13px}
.fsi-empty{padding:30px;border:1px dashed #bdc8ce;border-radius:14px;color:var(--fsi-muted);background:#fff}
.alignwide{max-width:var(--fsi-container);margin-left:auto;margin-right:auto}.alignfull{width:100vw;margin-left:calc(50% - 50vw)}
@media(max-width:980px){.fsi-menu-toggle{display:block}.fsi-menu-wrap{display:none;position:absolute;top:76px;left:0;right:0;background:var(--fsi-dark);border-bottom:1px solid rgba(255,255,255,.1);padding:16px 24px;box-shadow:0 20px 30px rgba(0,0,0,.18)}.fsi-menu-wrap.is-open{display:block}.fsi-menu{display:grid;gap:12px}.fsi-nav__actions .fsi-btn{display:none}.fsi-hero__grid,.fsi-split,.fsi-product-single{grid-template-columns:1fr}.fsi-grid--4{grid-template-columns:repeat(2,1fr)}.fsi-grid--3{grid-template-columns:repeat(2,1fr)}.fsi-footer__grid{grid-template-columns:1fr 1fr}.fsi-stats{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.fsi-topbar__links{display:none}.fsi-nav{min-height:68px}.fsi-menu-wrap{top:68px}.fsi-hero{padding:66px 0}.fsi-hero h1{font-size:42px}.fsi-section{padding:56px 0}.fsi-section-head{display:block}.fsi-section-head p{margin-top:14px}.fsi-grid--4,.fsi-grid--3,.fsi-footer__grid,.fsi-form-grid,.fsi-stats{grid-template-columns:1fr}.fsi-spec-row{grid-template-columns:1fr}.fsi-spec-row strong{padding-bottom:4px}.fsi-spec-row span{padding-top:4px}.fsi-footer__bottom{display:block}.fsi-content article{padding:24px}}