/*
Theme Name: SiFerro
Author: SiFerro
Description: Lightweight Xinrui industrial materials theme.
Version: 1.0.0
Requires at least: 6.4
Requires PHP: 8.0
Text Domain: siferro
*/
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#142b35;--ink2:#263c43;--muted:#63747a;--paper:#f8f8f5;--white:#fff;--line:#dce2df;--accent:#cb9560;--pale:#edf0ea}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;line-height:1.6}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Manrope,Arial,sans-serif;line-height:1.16;letter-spacing:-.04em}h1{font-size:clamp(2.8rem,5vw,5.6rem)}h2{font-size:clamp(2rem,3.4vw,3.6rem)}h3{font-size:1.28rem}.container{width:min(1180px,calc(100% - 48px));margin:auto}.narrow{max-width:820px}.skip{position:absolute;top:-100px;left:16px;background:white;padding:8px;z-index:99}.skip:focus{top:10px}.topline{background:#10252e;color:#b7c6c8;font-size:.76rem}.topflex{display:flex;justify-content:space-between;gap:16px;padding:7px 0}.topflex a:hover{color:white}.site-header{background:#fff;position:sticky;top:0;z-index:20;box-shadow:0 1px 0 rgba(20,43,53,.08)}.nav{min-height:78px;display:flex;align-items:center;gap:42px}.brand{display:flex;align-items:center;gap:9px;flex:none}.brand-mark{width:39px;height:39px;background:var(--ink);color:white;display:grid;place-items:center;border-radius:4px;font-family:Manrope,sans-serif;font-weight:800;font-size:15px;letter-spacing:-.13em}.brand-mark span{color:var(--accent)}.brand-word{font-family:Manrope,sans-serif;font-size:1.44rem;font-weight:800;line-height:1.08;letter-spacing:-.055em}.brand-word small{display:block;font-family:'DM Sans',sans-serif;font-size:.46rem;letter-spacing:.1em;font-weight:700;margin-top:3px}.nav nav{display:flex;gap:30px;margin:auto;font-size:.88rem;font-weight:700}.nav nav a:hover,.text-link:hover{color:#a26b36}.nav-cta{background:var(--ink);color:white;padding:12px 17px;font-weight:700;font-size:.83rem}.nav-cta span{padding-left:16px;color:var(--accent)}.menu-toggle{display:none;background:none;border:0;font-size:1.5rem;color:var(--ink)}.hero{position:relative;min-height:620px;background:#142b35;color:white;overflow:hidden}.hero-image{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,27,35,.93),rgba(9,27,35,.72) 42%,rgba(9,27,35,.1)),url('assets/silicon-metal.webp') center 58%/cover}.hero-inner{position:relative;min-height:620px;display:flex;align-items:center}.hero-copy{max-width:690px;padding:80px 0}.kicker,.eyebrow{font-size:.74rem;font-weight:800;letter-spacing:.16em;color:#bd874f}.kicker{color:#e1b783;display:flex;align-items:center;gap:10px}.kicker span{width:25px;height:1px;background:currentColor}.hero h1{margin:24px 0 24px;font-weight:700}.hero h1 em{font-style:normal;color:#e0c49b}.hero p{font-size:1.09rem;max-width:620px;color:#dbe4e5}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:29px 0}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;border:1px solid transparent;padding:14px 22px;font-weight:800;font-size:.88rem;min-height:50px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-light{background:#f2eee6;color:#142b35}.button-outline{border-color:#8aa0a5;color:white}.button-dark{background:var(--ink);color:white}.button-line{border-color:var(--ink);color:var(--ink)}.hero-notes{display:flex;align-items:center;gap:15px;margin-top:45px;color:#c7d5d5;font-size:.76rem;font-weight:700;letter-spacing:.05em}.hero-notes i{width:4px;height:4px;border-radius:50%;background:var(--accent)}.section{padding:90px 0}.intro{background:#fff}.split-intro{display:grid;grid-template-columns:1.15fr 1fr;gap:100px;align-items:end}.split-intro h2{margin:13px 0 0}.split-intro p{font-size:1.08rem;color:var(--muted);margin:0 0 9px}.section-heading{display:flex;justify-content:space-between;gap:28px;align-items:end;margin-bottom:36px}.section-heading h2{margin:9px 0 0}.section-heading>p{max-width:390px;color:var(--muted);margin-bottom:0}.text-link{font-weight:800;font-size:.86rem;white-space:nowrap}.products-feature{background:#f2f4f0}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.product-card{background:#fff;display:grid;grid-template-columns:46% 54%;min-height:260px;overflow:hidden;transition:box-shadow .2s,transform .2s}.product-card:hover{box-shadow:0 14px 35px #142b351a;transform:translateY(-3px)}.card-visual{background:#e4e9e5;min-height:250px;overflow:hidden}.card-visual img{width:100%;height:100%;object-fit:cover}.card-visual.abstract,.product-hero-photo.abstract{display:grid;place-items:center;background:radial-gradient(circle at 75% 20%,#9caeaa,#344950 60%,#142b35);color:#e6c59b;font-family:Manrope;font-size:4rem;font-weight:800}.card-copy{padding:28px;display:flex;flex-direction:column;align-items:start}.card-copy h3{font-size:1.35rem;margin:10px 0}.card-copy p{color:var(--muted);font-size:.88rem}.card-copy .text-link{margin-top:auto}.secondary-products{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);margin-top:26px;border:1px solid var(--line)}.secondary-products a{background:#fff;padding:19px;display:flex;justify-content:space-between;font-size:.87rem;font-weight:700}.secondary-products a:hover{background:#f7ede0}.process{background:#fff}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.steps article{background:white;padding:29px}.steps strong{font-family:Manrope;font-size:2rem;color:#c99c71}.steps h3{margin:28px 0 8px}.steps p{color:var(--muted);font-size:.9rem;margin:0}.editorial{background:#e9ede8}.editorial-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.editorial-grid p{max-width:430px;color:var(--muted)}.editorial-list a{position:relative;display:block;padding:25px 40px 25px 0;border-bottom:1px solid #bac6c1}.editorial-list a:first-child{border-top:1px solid #bac6c1}.editorial-list span{font-size:.73rem;color:var(--muted)}.editorial-list h3{margin:7px 0 0}.editorial-list b{position:absolute;right:0;top:38px}.cta-band{background:#183640;color:#fff;padding:59px 0}.cta-flex{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta-flex h2{font-size:clamp(1.7rem,3vw,2.75rem);margin:9px 0 0}.footer{background:#10252e;color:#c5d0ce;padding-top:70px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:65px}.footer-brand{color:white}.footer .brand-mark{background:#d1a471;color:#10252e}.footer .brand-mark span{color:white}.footer p{max-width:350px;font-size:.86rem;margin-top:20px}.footer h3{font-size:.84rem;letter-spacing:.1em;text-transform:uppercase;color:white}.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:9px;font-size:.85rem}.footer-grid a:hover{color:white}.footbottom{border-top:1px solid #38515a;margin-top:58px;padding:20px 0 30px;display:flex;justify-content:space-between;gap:15px;font-size:.72rem}.page-hero{background:#1b3943;color:#fff;padding:84px 0}.page-hero h1{max-width:900px;font-size:clamp(2.5rem,4.6vw,4.6rem);margin:16px 0 18px}.page-hero p{max-width:680px;color:#d3dfe0;font-size:1.06rem}.all-products{grid-template-columns:repeat(2,1fr)}.all-products .product-card{min-height:250px}.product-hero{background:#e9ede8;padding:55px 0}.product-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.product-hero h1{margin:22px 0}.product-hero p{max-width:500px;color:#4e646b;font-size:1.1rem}.product-hero-photo{height:410px;overflow:hidden}.product-hero-photo img{width:100%;height:100%;object-fit:cover}.breadcrumbs{font-size:.77rem;color:#6f8488;margin-bottom:30px}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px}.detail-grid p{color:var(--muted);max-width:580px}.caution{font-size:.86rem;border-left:2px solid var(--accent);padding-left:16px}.facts{border-top:1px solid var(--line)}.facts div{padding:18px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:35% 65%;gap:10px}.facts span{color:var(--muted);font-size:.86rem}.facts strong{font-size:.9rem}.rfq-section{background:#e9ede8}.rfq-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:30px}.rfq-grid div{background:white;padding:25px;font-weight:800;min-height:100px}.faq{background:#fff}.faq details{border-bottom:1px solid var(--line);padding:20px 0}.faq summary{cursor:pointer;font-weight:800}.faq details p{color:var(--muted);margin:14px 0 0}.about-panel{background:var(--ink);padding:50px;color:white;min-height:320px}.about-panel span{font-size:5rem;color:var(--accent);font-family:Manrope;font-weight:800}.about-panel p{color:#d2dcdd}.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.resource-card{padding:34px;background:white;border:1px solid var(--line)}.resource-card:hover{border-color:var(--accent)}.resource-card h2{font-size:1.6rem;margin:16px 0}.resource-card p{color:var(--muted)}.article-hero .breadcrumbs{color:#bdd1d4}.article-body{padding:60px 0 100px;font-size:1.08rem}.article-body p{color:#3f555d}.article-body a{text-decoration:underline}.data-table{overflow-x:auto;margin:32px 0}.data-table table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th,.data-table td{border:1px solid var(--line);padding:14px;text-align:left}.data-table th{background:#e9ede8}.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px}.contact-line{padding:20px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column}.contact-line span{font-size:.78rem;color:var(--muted)}.contact-line a,.contact-line strong{font-size:1.1rem;font-weight:700}.contact-note{margin-top:30px;color:var(--muted)}.rfq-form{background:#fff;padding:35px;box-shadow:0 18px 50px #1b39430d}.rfq-form h2{font-size:1.8rem;margin-bottom:5px}.rfq-form>p{color:var(--muted);font-size:.85rem}.rfq-form label{display:block;font-size:.81rem;font-weight:700;margin:16px 0}.rfq-form input,.rfq-form select,.rfq-form textarea{display:block;width:100%;background:#f8f9f7;border:1px solid #cfd9d5;padding:11px;margin-top:6px;color:var(--ink);border-radius:0}.rfq-form input:focus,.rfq-form select:focus,.rfq-form textarea:focus{outline:2px solid #b68450}.form-status{min-height:1.4em;margin:12px 0 0!important}
@media(max-width:960px){.nav{gap:18px}.nav nav{gap:16px}.nav-cta{display:none}.product-card{grid-template-columns:1fr}.card-visual{height:210px;min-height:0}.secondary-products{grid-template-columns:repeat(2,1fr)}.editorial-grid,.detail-grid,.contact-grid{gap:45px}}@media(max-width:700px){.container{width:min(100% - 32px,1180px)}.topline{display:none}.nav{min-height:66px;justify-content:space-between}.menu-toggle{display:block}.nav nav{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;padding:18px 24px;box-shadow:0 10px 18px #142b351e;flex-direction:column;gap:0}.nav nav.open{display:flex}.nav nav a{padding:10px}.brand-word{font-size:1.23rem}.hero,.hero-inner{min-height:590px}.hero-image{background:linear-gradient(90deg,rgba(9,27,35,.94),rgba(9,27,35,.6)),url('assets/silicon-metal.webp') center/cover}.hero-copy{padding:60px 0}.hero h1{font-size:clamp(2.55rem,11vw,4rem)}.hero-notes{flex-wrap:wrap;margin-top:30px}.section{padding:65px 0}.split-intro,.editorial-grid,.detail-grid,.contact-grid,.product-hero-grid{grid-template-columns:1fr;gap:25px}.section-heading{align-items:start;flex-direction:column}.product-grid,.all-products,.resource-grid{grid-template-columns:1fr}.product-card{grid-template-columns:40% 60%;min-height:190px}.card-visual{height:auto;min-height:190px}.card-copy{padding:18px}.card-copy h3{font-size:1.1rem}.card-copy p{font-size:.8rem}.steps,.rfq-grid{grid-template-columns:1fr}.secondary-products{grid-template-columns:1fr}.product-hero-photo{height:300px}.cta-flex,.footbottom{align-items:start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:25px}.footer{padding-top:50px}.footbottom{margin-top:35px}.page-hero{padding:65px 0}.rfq-form{padding:24px}}@media(max-width:430px){.product-card{grid-template-columns:1fr}.card-visual{height:180px;min-height:0}.hero-actions{flex-direction:column;align-items:start}.button{width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button,.product-card{transition:none}}