/*
Theme Name: Refining Lab
Theme URI: https://example.com/refining-lab
Author: Refining Lab
Description: Fast, professional petroleum refining and laboratory WordPress theme with Elementor compatibility, SEO-ready markup, affiliate and advertising hooks, newsletter areas, and a technical publication homepage.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: refining-lab
*/
:root{--rl-ink:#102027;--rl-muted:#60737a;--rl-bg:#f5f7f6;--rl-surface:#fff;--rl-line:#dce5e2;--rl-accent:#d85a32;--rl-accent2:#f1a65a;--rl-dark:#102a2d;--rl-radius:18px;--rl-shadow:0 12px 35px rgba(16,42,45,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--rl-bg);color:var(--rl-ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65}a{color:var(--rl-dark);text-decoration:none}a:hover{color:var(--rl-accent)}img{max-width:100%;height:auto}.site{overflow:hidden}.container{width:min(1180px,92%);margin:auto}.screen-reader-text{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--rl-line)}.header-inner{min-height:76px;display:flex;align-items:center;gap:30px}.site-branding{display:flex;align-items:center;gap:12px;flex:0 0 auto}.custom-logo{max-height:46px;width:auto}.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--rl-dark),var(--rl-accent));display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:var(--rl-shadow)}.site-title{font-size:1.25rem;font-weight:900;letter-spacing:-.04em}.site-description{font-size:.72rem;color:var(--rl-muted);display:block}.main-navigation{margin-left:auto}.main-navigation ul{display:flex;align-items:center;gap:20px;list-style:none;margin:0;padding:0}.main-navigation li{position:relative}.main-navigation a{font-size:.9rem;font-weight:750}.main-navigation .sub-menu{position:absolute;top:calc(100% + 14px);left:0;min-width:220px;background:#fff;padding:12px;border:1px solid var(--rl-line);border-radius:14px;box-shadow:var(--rl-shadow);display:none}.main-navigation li:hover>.sub-menu{display:block}.main-navigation .sub-menu a{display:block;padding:9px 10px}.menu-toggle{display:none;border:1px solid var(--rl-line);background:#fff;border-radius:10px;padding:9px}.hero{padding:80px 0 45px;background:radial-gradient(circle at 90% 10%,rgba(216,90,50,.18),transparent 30%),linear-gradient(135deg,#edf3f0,#f9faf8)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:55px;align-items:center}.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.16em;color:var(--rl-accent);font-weight:900}.hero h1{font-size:clamp(2.5rem,5vw,4.8rem);line-height:1.02;letter-spacing:-.065em;margin:14px 0 20px;max-width:800px}.hero p{font-size:1.08rem;color:var(--rl-muted);max-width:680px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button,.wp-block-button__link{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:12px 18px;background:var(--rl-dark);color:#fff;font-weight:800;cursor:pointer}.button:hover{color:#fff;transform:translateY(-1px)}.button.alt{background:var(--rl-accent)}.hero-visual{min-height:390px;border-radius:30px;background:linear-gradient(145deg,#17383a,#102a2d);position:relative;box-shadow:0 25px 70px rgba(16,42,45,.18);overflow:hidden}.hero-visual:before,.hero-visual:after{content:"";position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.12)}.hero-visual:before{width:360px;height:360px;right:-90px;top:-90px}.hero-visual:after{width:240px;height:240px;left:-100px;bottom:-100px}.lab-card{position:absolute;left:38px;right:38px;top:50%;transform:translateY(-50%);padding:28px;border:1px solid rgba(255,255,255,.14);border-radius:24px;background:rgba(255,255,255,.08);backdrop-filter:blur(10px);color:#fff}.lab-card strong{font-size:1.8rem;display:block}.lab-card span{color:#c8d7d5}.section{padding:70px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:26px}.section-head h2{font-size:2rem;line-height:1.1;margin:0;letter-spacing:-.04em}.section-head p{margin:0;color:var(--rl-muted);max-width:650px}.grid{display:grid;gap:18px}.category-grid{grid-template-columns:repeat(4,1fr)}.category-card,.post-card,.feature-card,.tool-card{background:var(--rl-surface);border:1px solid var(--rl-line);border-radius:var(--rl-radius);box-shadow:0 5px 18px rgba(16,42,45,.035);transition:.2s}.category-card{padding:22px}.category-card:hover,.post-card:hover,.tool-card:hover{transform:translateY(-3px);box-shadow:var(--rl-shadow)}.category-icon{font-size:1.65rem}.category-card h3{font-size:1rem;margin:12px 0 6px}.category-card p{font-size:.87rem;color:var(--rl-muted);margin:0}.posts-grid{grid-template-columns:repeat(3,1fr)}.post-card{overflow:hidden}.post-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#dce8e3,#f3b27d);display:grid;place-items:center;color:#17383a;font-weight:900}.post-thumb img{width:100%;height:100%;object-fit:cover}.post-body{padding:20px}.post-meta{font-size:.75rem;color:var(--rl-muted)}.post-card h3{font-size:1.12rem;line-height:1.25;margin:8px 0}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.feature-card{padding:30px;background:linear-gradient(135deg,#fff,#edf3f0)}.feature-card h2{font-size:2.2rem;line-height:1.08;margin:8px 0 14px;letter-spacing:-.04em}.newsletter{padding:36px;border-radius:24px;background:var(--rl-dark);color:#fff}.newsletter p{color:#c8d7d5}.newsletter-form{display:flex;gap:10px;max-width:650px}.newsletter-form input{flex:1;min-width:0;border:0;border-radius:12px;padding:13px 15px}.ad-slot{min-height:90px;border:1px dashed #b9c8c3;border-radius:14px;display:grid;place-items:center;color:#7b8d89;font-size:.8rem;background:#f9fbfa}.site-main{min-height:50vh}.content-wrap{padding:60px 0}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:45px}.entry-header h1{font-size:clamp(2rem,4vw,3.6rem);line-height:1.08;letter-spacing:-.05em}.entry-content{font-size:1.05rem}.entry-content h2,.entry-content h3{line-height:1.2}.entry-content table{width:100%;border-collapse:collapse}.entry-content th,.entry-content td{padding:10px;border:1px solid var(--rl-line);text-align:left}.sidebar .widget{background:#fff;border:1px solid var(--rl-line);border-radius:16px;padding:20px;margin-bottom:18px}.site-footer{background:#102a2d;color:#d7e3e0;margin-top:40px}.footer-grid{padding:55px 0;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.site-footer a{color:#d7e3e0}.footer-title{color:#fff;font-weight:900;margin-bottom:10px}.footer-menu ul{list-style:none;padding:0;margin:0}.footer-menu li{margin:6px 0}.copyright{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:.8rem;color:#a9bfbb}.affiliate-box{border:1px solid #ead3c8;background:#fff8f5;border-radius:16px;padding:22px;margin:25px 0}.affiliate-box strong{display:block;margin-bottom:6px}.related-grid{grid-template-columns:repeat(2,1fr)}@media(max-width:1000px){.category-grid{grid-template-columns:repeat(2,1fr)}.hero-grid,.split{grid-template-columns:1fr}.hero-visual{min-height:300px}.main-navigation ul{gap:12px}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.header-inner{min-height:66px}.menu-toggle{display:block;margin-left:auto}.main-navigation{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--rl-line);padding:15px}.main-navigation.is-open{display:block}.main-navigation ul{display:block}.main-navigation li{margin:3px 0}.main-navigation .sub-menu{position:static;display:block;box-shadow:none;border:0;padding-left:15px}.category-grid,.posts-grid,.related-grid{grid-template-columns:1fr}.content-grid{grid-template-columns:1fr}.newsletter-form{flex-direction:column}.footer-grid{grid-template-columns:1fr}.hero{padding-top:55px}.section{padding:50px 0}.site-description{display:none}}

/* Contact / Chemist profile */
.contact-profile-card{background:linear-gradient(145deg,#102a2d,#17383a);border:1px solid rgba(255,255,255,.08);border-radius:24px;padding:18px;color:#fff;box-shadow:0 20px 55px rgba(16,42,45,.16);overflow:hidden}.chemist-photo-wrap{border-radius:18px;overflow:hidden;background:#17383a;aspect-ratio:479/795}.chemist-photo{display:block;width:100%;height:100%;object-fit:cover;object-position:center top}.chemist-profile-copy{padding:22px 8px 10px}.chemist-profile-copy h2{font-size:1.9rem;line-height:1.1;margin:7px 0 5px;letter-spacing:-.04em}.chemist-role{color:#f1a65a!important;font-weight:800;margin:0 0 12px!important}.chemist-profile-copy p:not(.chemist-role){color:#d7e3e0}.chemist-profile-copy .button{margin-top:8px}.copyright{display:flex;justify-content:space-between;gap:18px;align-items:center;flex-wrap:wrap}.legal-links{display:flex;gap:9px;flex-wrap:wrap}.legal-links a{color:#d7e3e0}.legal-links a:hover{color:#f1a65a}@media(min-width:761px){.contact-grid{align-items:start}.contact-profile-card{position:sticky;top:95px}}

/* About Us organic portrait layout */
.rl-about-page{background:#fff;color:#171717}.rl-about-hero{width:min(1240px,92%);margin:0 auto;min-height:650px;padding:55px 0 45px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);gap:clamp(35px,6vw,90px);align-items:center}.rl-about-art{position:relative;min-height:550px;display:flex;align-items:flex-end;justify-content:center;isolation:isolate}.rl-orange-blob{position:absolute;z-index:-1;left:-9%;top:5%;width:112%;height:88%;background:#ed7927;border-radius:48% 52% 58% 42% / 31% 35% 65% 69%;transform:rotate(-5deg)}.rl-about-photo{display:block;position:relative;z-index:1;width:min(100%,490px);height:550px;object-fit:contain;object-position:center bottom;filter:drop-shadow(0 14px 22px rgba(0,0,0,.12))}.rl-about-copy{padding:35px 0}.rl-about-kicker{display:block;color:#a94e18;font-size:.76rem;font-weight:800;letter-spacing:.15em;margin-bottom:15px}.rl-about-copy h1{font-size:clamp(3.2rem,6.5vw,6rem);line-height:.98;letter-spacing:-.065em;margin:0 0 24px;font-weight:900;color:#111}.rl-about-copy h1 em{font-style:normal;color:#e87526}.rl-about-copy p{font-size:1.02rem;line-height:1.75;color:#555;margin:0 0 15px;max-width:610px}.rl-about-copy .rl-about-intro{font-size:1.16rem;color:#252525;line-height:1.6}.rl-about-cta{display:inline-flex;align-items:center;gap:22px;margin-top:13px;padding:12px 27px;border-radius:999px;background:#e87526;color:#fff;font-weight:800;box-shadow:0 7px 18px rgba(232,117,38,.22);transition:transform .2s,background .2s}.rl-about-cta:hover{background:#c95e18;color:#fff;transform:translateY(-2px)}.rl-about-cta span{font-size:1.15rem}.rl-about-values{width:min(1100px,92%);margin:0 auto;padding:25px 0 80px;display:grid;grid-template-columns:1fr 1fr;gap:55px;border-top:1px solid #eee}.rl-about-values article>span{font-size:.72rem;letter-spacing:.16em;font-weight:850;color:#d96c21}.rl-about-values h2{font-size:1.5rem;line-height:1.2;margin:10px 0}.rl-about-values p{color:#626262;max-width:490px;margin:0;line-height:1.7}@media(max-width:800px){.rl-about-hero{grid-template-columns:1fr;gap:12px;padding-top:25px}.rl-about-art{min-height:390px;max-height:440px}.rl-orange-blob{left:0;top:7%;width:100%;height:85%}.rl-about-photo{height:420px;width:min(100%,390px)}.rl-about-copy{padding:20px 0 35px}.rl-about-values{gap:25px}}@media(max-width:560px){.rl-about-hero{width:90%}.rl-about-art{min-height:320px;max-height:350px}.rl-about-photo{height:340px}.rl-about-copy h1{font-size:3.2rem}.rl-about-values{grid-template-columns:1fr;padding-bottom:55px}}