/*
Theme Name: TOSUN TECH
Theme URI: https://tosun-tech.com
Author: TOSUN TECH
Author URI: https://tosun-tech.com
Description: Multi-material system integrator theme rebuilt from the approved HTML preview. Homepage plus Solutions / Projects / Insights / About / Contact templates, custom post types for solution packages, project cases and articles, built-in inquiry form with email notification, Google Maps embed and an online consultation widget. Contact details, dual-entry links and the company video are configurable in the Customizer, and all page copy is editable in the block editor.
Version: 1.1.1
Requires at least: 5.9
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: tosun-tech
Tags: business, custom-menu, featured-images, translation-ready, blog
*/

:root{
  --primary:#0B3D5C;
  --primary-2:#0E4E73;
  --accent:#1FA39B;
  --accent-2:#16C2B3;
  --cta:#F5A623;
  --cta-hover:#E0910F;
  --bg:#ffffff;
  --light:#F4F7F9;
  --line:#E3EAEE;
  --muted:#5B6B76;
  --ink:#14242E;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,61,92,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:100}
.skip-link:focus{left:0;color:#fff}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;transition:.2s;cursor:pointer;border:none;text-align:center}
.btn-primary{background:var(--cta);color:#1a1300}
.btn-primary:hover{background:var(--cta-hover);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-line{background:var(--primary);color:#fff !important;font-weight:700}
.btn-line:hover{background:var(--primary-2)}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px}
.logo{font-weight:800;font-size:20px;letter-spacing:.5px;color:var(--primary);white-space:nowrap}
.logo span{color:var(--accent)}
.custom-logo-link img{max-height:46px;width:auto;display:block}
.menu{display:flex;gap:20px;align-items:center;flex-wrap:wrap;list-style:none}
.menu a{font-size:14.5px;color:var(--muted);font-weight:500;transition:.2s}
.menu a:hover{color:var(--primary)}
.menu li.current-menu-item>a,.menu li.current_page_item>a{color:var(--primary);font-weight:600}
.menu .btn{margin-left:2px}
.nav-cta{margin-left:2px}
.lang{font-size:13px;color:var(--muted);font-weight:600;padding:6px 12px;border:1px solid var(--line);border-radius:999px;white-space:nowrap}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.burger span{width:24px;height:2.5px;background:var(--primary);border-radius:2px}

/* Dual-leg strip */
.dualleg{background:var(--primary);color:#fff;padding:13px 0}
.dualleg .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center;font-size:13.5px}
.dualleg .lbl{font-weight:700;letter-spacing:1px;color:var(--accent-2);text-transform:uppercase;font-size:12px}
.dualleg .pill{background:rgba(255,255,255,.12);padding:7px 16px;border-radius:999px;display:inline-flex;gap:7px;align-items:center}
.dualleg .pill b{color:#fff}
.dualleg .pill.alt{background:rgba(31,163,155,.22)}
.dualleg .sep{opacity:.5}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary) 0%,#0a2f47 60%,#06283b 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-10%;top:-20%;width:520px;height:520px;background:radial-gradient(circle,rgba(31,163,155,.35),transparent 60%);border-radius:50%}
.hero-inner{position:relative;z-index:4;padding:100px 0 110px}
.hero .tag{display:inline-block;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent-2);font-weight:700;margin-bottom:18px}
.hero h1{font-size:48px;line-height:1.12;font-weight:800;max-width:840px}
.hero h1 em{color:var(--accent-2);font-style:normal}
.hero p.sub{margin-top:20px;font-size:18px;color:#cfe0e8;max-width:680px}
.hero-cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap}

/* Hero background photo layer — unified with page-hero: left-dark gradient + pill tag + 3-layer shadow. */
.hero-bg{position:absolute;inset:0;z-index:1;background-size:cover;background-position:center}
.hero.has-image::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(2,24,39,.82) 0%,rgba(2,24,39,.55) 45%,transparent 78%)}
.hero.has-image::after{display:none}
.hero.has-image .tag{display:inline-block;background:rgba(0,0,0,.4);padding:5px 13px;border-radius:999px;color:var(--accent-2);text-shadow:none}
.hero.has-image h1{text-shadow:0 2px 18px rgba(0,0,0,.9),0 4px 28px rgba(0,0,0,.75),0 8px 40px rgba(0,0,0,.5)}
.hero.has-image h1 em{color:#fff}
.hero.has-image p.sub{color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.95),0 3px 24px rgba(0,0,0,.85),0 6px 36px rgba(0,0,0,.6)}


/* Page hero (sub-pages) */
.page-hero{background:linear-gradient(135deg,var(--primary) 0%,#0a2f47 60%,#06283b 100%);color:#fff;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-8%;top:-30%;width:420px;height:420px;background:radial-gradient(circle,rgba(31,163,155,.3),transparent 60%);border-radius:50%}
.page-hero-inner{position:relative;z-index:4;padding:64px 0 70px}
.page-hero .tag{display:inline-block;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent-2);font-weight:700;margin-bottom:14px}
.page-hero h1{font-size:40px;line-height:1.15;font-weight:800;max-width:820px}
.page-hero p.sub{margin-top:14px;font-size:16.5px;color:#cfe0e8;max-width:640px}
.page-hero-bg{position:absolute;inset:0;z-index:1;background-size:cover;background-position:center}
.page-hero.has-image{background:transparent}
.page-hero.has-image::before{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(2,24,39,.82) 0%,rgba(2,24,39,.55) 45%,transparent 78%)}
.page-hero.has-image .tag{display:inline-block;background:rgba(0,0,0,.4);padding:5px 13px;border-radius:999px;color:var(--accent-2);text-shadow:none}
.page-hero.has-image h1{text-shadow:0 2px 18px rgba(0,0,0,.9),0 4px 28px rgba(0,0,0,.75),0 8px 40px rgba(0,0,0,.5)}
.page-hero.has-image p.sub{color:#fff;text-shadow:0 2px 14px rgba(0,0,0,.95),0 3px 24px rgba(0,0,0,.85),0 6px 36px rgba(0,0,0,.6)}



/* Company video (About page) */
.video-section{background:var(--light)}
.video-wrap{max-width:960px;margin:0 auto;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#000;line-height:0}
.video-wrap video,.video-wrap iframe{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0}
.video-caption{text-align:center;color:var(--muted);font-size:13px;margin-top:16px}

/* Search form */
.search-form{display:flex;gap:10px;flex-wrap:wrap}
.search-form input[type="search"]{flex:1;min-width:200px;padding:11px 14px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff}
.search-form input[type="search"]:focus{outline:none;border-color:var(--accent)}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}

/* Trust bar */
.trust{background:var(--light);border-bottom:1px solid var(--line)}
.trust-inner{display:flex;flex-wrap:wrap;gap:30px;align-items:center;justify-content:center;padding:18px 0;font-size:14px;color:var(--muted)}
.trust b{color:var(--primary)}
.badge{padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:600;color:var(--primary);font-size:13px}
.badge small{color:var(--muted);font-weight:500}

/* Section generic */
section{padding:74px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 46px}
.sec-head .kicker{color:var(--accent);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:13px}
.sec-head h2{font-size:34px;margin-top:10px;color:var(--primary);font-weight:800}
.sec-head p{margin-top:12px;color:var(--muted);font-size:16px}
.seo-note{text-align:center;color:var(--muted);font-size:13px;margin-top:22px;max-width:680px;margin-left:auto;margin-right:auto}
.seo-note b{color:var(--accent)}

/* Solutions grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.22s;box-shadow:0 2px 8px rgba(11,61,92,.04)}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--accent)}
.card .ic{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;margin-bottom:16px}
.card h3{font-size:19px;color:var(--primary);margin-bottom:8px}
.card p{font-size:14.5px;color:var(--muted);margin-bottom:14px}
.card .meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{font-size:12px;background:var(--light);color:var(--primary);padding:4px 10px;border-radius:999px;font-weight:600}
.card a.more{color:var(--accent);font-weight:600;font-size:14px}
.card a.link2{display:block;color:var(--primary);font-weight:600;font-size:13px;margin-top:6px}
.card.placeholder{background:repeating-linear-gradient(45deg,#fafcfd,#fafcfd 12px,#f2f6f8 12px,#f2f6f8 24px);border-style:dashed}
.card.placeholder h3{color:var(--muted)}
.card.placeholder a.more{color:var(--muted)}
.fitline{text-align:center;margin-top:24px;font-size:14px;color:var(--muted)}
.fitline b{color:var(--primary)}

/* Flagship strip */
.flag{background:linear-gradient(135deg,#0E4E73,#0a2f47);color:#fff;padding:60px 0}
.flag .wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:44px;align-items:center}
.flag .ic{font-size:56px}
.flag h2{font-size:30px;font-weight:800;margin:10px 0 6px}
.flag .tagline{color:var(--accent-2);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:13px}
.flag p{margin-top:14px;color:#cfe0e8;font-size:15.5px}
.flag ul{list-style:none;margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}
.flag li{background:rgba(255,255,255,.1);padding:7px 14px;border-radius:999px;font-size:13.5px}
.flag .ctas{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}

/* Materials strip */
.materials{background:var(--light)}
.mat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.mat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center}
.mat .dot{width:54px;height:54px;border-radius:50%;margin:0 auto 14px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.mat h4{color:var(--primary);font-size:16px;margin-bottom:6px}
.mat p{font-size:13px;color:var(--muted)}
.mat.anchor .dot{background:var(--accent)}
.mat .dot.thumb{background:var(--light);overflow:hidden;padding:0}
.mat .dot.thumb img{width:100%;height:100%;object-fit:cover}

/* Projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proj{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;position:relative;overflow:hidden;transition:.22s}
.proj::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
.proj:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.proj .loc{font-size:12.5px;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.proj h4{font-size:17px;color:var(--primary);margin:6px 0 10px}
.proj h4 a{color:inherit}
.proj h4 a:hover{color:var(--accent)}
.proj p{font-size:14px;color:var(--muted)}
.proj .meta-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.proj .meta-tags .chip{font-size:11px}
.role{margin-top:14px;display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.role.direct{background:#e6f7f4;color:#0e7a72}
.role.supply{background:#eef2f5;color:#5b6b76}
.role.lead{background:#fff4e0;color:#b06a00}
.proj.hidden,.article.hidden{display:none}
.filters{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.filters button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:13px;color:var(--muted);font-weight:600;cursor:pointer;font-family:inherit;transition:.2s}
.filters button:hover{border-color:var(--accent);color:var(--primary)}
.filters button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.filter-hint{text-align:center;font-size:12.5px;color:var(--muted);margin:-18px 0 22px}

/* Insights / Blog */
.insights{background:var(--light)}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:.22s}
.article:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.article .cat{font-size:12px;font-weight:700;color:var(--accent);letter-spacing:.5px;text-transform:uppercase}
.article h4{font-size:17px;color:var(--primary);margin:8px 0 10px;line-height:1.4}
.article h4 a{color:inherit}
.article h4 a:hover{color:var(--accent)}
.article p{font-size:14px;color:var(--muted);flex:1}
.article a.more{color:var(--accent);font-weight:600;font-size:14px;margin-top:14px}
.article.draft{border-style:dashed;background:#fff}
.article.draft .cat{color:var(--muted)}
.article .date{font-size:12px;color:var(--muted);margin-top:10px}

/* Card thumbnails (image + text content) */
.art-img,.proj-img,.card-img{aspect-ratio:16/9;overflow:hidden;border-radius:12px;margin-bottom:16px;line-height:0;background:var(--light)}
.art-img img,.proj-img img,.card-img img{width:100%;height:100%;object-fit:cover;display:block}
.single-thumb img{width:100%;height:auto;border-radius:var(--radius);margin-bottom:24px}

/* Manufacturing processes showcase */
.processes{background:#fff}
.proc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.proc{background:var(--light);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.proc-img{aspect-ratio:1/1;overflow:hidden;line-height:0}
.proc-img img{width:100%;height:100%;object-fit:cover;display:block}
.proc h4{font-size:14.5px;color:var(--primary);text-align:center;padding:12px 8px 14px;font-weight:700}

/* About page */
#supply-chain{background:#fff}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.about-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.22s}
.about-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent)}
.about-img{aspect-ratio:16/9;overflow:hidden;line-height:0;background:var(--light)}
.about-img img{width:100%;height:100%;object-fit:cover;display:block}
.about-card h4{font-size:17px;color:var(--primary);margin:16px 18px 8px}
.about-card p{font-size:14px;color:var(--muted);margin:0 18px 18px}
.card .about-img{margin:-26px -26px 18px;border-radius:var(--radius) var(--radius) 0 0}
.card .about-img img{width:100%;height:100%;object-fit:cover;display:block}

/* Pagination */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.pagination .page-numbers{padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--muted);background:#fff}
.pagination .page-numbers.current{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination a.page-numbers:hover{border-color:var(--accent);color:var(--primary)}

/* Single article / case */
.single-head{background:linear-gradient(135deg,var(--primary) 0%,#0a2f47 60%,#06283b 100%);color:#fff;padding:56px 0}
.single-head .cat{display:inline-block;font-size:12.5px;letter-spacing:1px;text-transform:uppercase;color:var(--accent-2);font-weight:700;margin-bottom:12px}
.single-head h1{font-size:34px;line-height:1.2;font-weight:800;max-width:860px}
.single-head .meta{margin-top:14px;font-size:14px;color:#cfe0e8}
.single-body{padding:52px 0 74px}
.entry-content{max-width:820px;margin:0 auto}
.entry-content h2{font-size:26px;color:var(--primary);margin:32px 0 14px;font-weight:800}
.entry-content h3{font-size:21px;color:var(--primary);margin:26px 0 12px;font-weight:700}
.entry-content p{margin-bottom:18px;color:var(--ink);font-size:16px}
.entry-content ul,.entry-content ol{margin:0 0 18px 24px;color:var(--ink);font-size:16px}
.entry-content li{margin-bottom:8px}
.entry-content img{border-radius:var(--radius);margin:10px 0}
.entry-content blockquote{border-left:4px solid var(--accent);padding:10px 20px;background:var(--light);border-radius:0 10px 10px 0;margin:20px 0;color:var(--muted)}
.entry-content a{color:var(--accent);font-weight:600}
.back-link{display:inline-block;margin-bottom:24px;color:var(--accent);font-weight:600;font-size:14px}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:16px}
.info-card h3{font-size:16px;color:var(--primary);margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--muted)}
.info-card a{color:var(--primary);font-weight:600}
.info-card a:hover{color:var(--accent)}
.map-wrap{margin-top:46px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.map-wrap iframe{display:block;width:100%;height:420px;border:0}
.chat-hint{background:var(--light);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;font-size:14px;color:var(--muted)}
.chat-hint b{color:var(--primary)}

/* CTA + Form */
.cta{background:linear-gradient(135deg,var(--primary),#0a2f47);color:#fff}
.cta .wrap{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center}
.cta h2{font-size:32px;font-weight:800}
.cta p{margin-top:14px;color:#cfe0e8;font-size:16px}
.cta .hint{margin-top:16px;font-size:13px;color:#9fc4cd;background:rgba(255,255,255,.07);padding:10px 14px;border-radius:10px;line-height:1.5}
.sec-cta{background:linear-gradient(135deg,var(--primary),#0a2f47);color:#fff;text-align:center;padding:60px 0}
.sec-cta h2{font-size:30px;font-weight:800}
.sec-cta p{color:#cfe0e8;font-size:16px;margin:12px auto 26px;max-width:620px}
form{background:#fff;border-radius:var(--radius);padding:28px;color:var(--ink);box-shadow:var(--shadow)}
form h3{color:var(--primary);font-size:19px;margin-bottom:8px}
form .sub2{font-size:13px;color:var(--muted);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff}
.field textarea{resize:vertical;min-height:70px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.checks{display:flex;flex-wrap:wrap;gap:10px}
.checks label{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--ink);background:var(--light);padding:7px 12px;border-radius:9px;cursor:pointer}
.checks input{accent-color:var(--accent)}
form .btn{width:100%;text-align:center;margin-top:6px}
.hp-field{position:absolute;left:-9999px;opacity:0}
.notice{border-radius:var(--radius);padding:16px 20px;margin-bottom:20px;font-size:14.5px}
.notice.success{background:#e6f7f4;border:1px solid #b9e8e0;color:#0e7a72}
.notice.error{background:#fdecec;border:1px solid #f5c6c6;color:#b3261e}

/* Online consultation widget */
.chat-widget{position:fixed;right:22px;bottom:22px;z-index:90}
.chat-toggle{width:58px;height:58px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-size:26px;cursor:pointer;box-shadow:0 8px 24px rgba(31,163,155,.45);transition:.2s;display:flex;align-items:center;justify-content:center}
.chat-toggle:hover{transform:translateY(-2px)}
.chat-panel{position:absolute;right:0;bottom:70px;width:290px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.chat-panel h4{color:var(--primary);font-size:16px;margin-bottom:6px}
.chat-panel p{font-size:13px;color:var(--muted);margin-bottom:14px}
.chat-opt{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--line);border-radius:10px;margin-bottom:8px;font-size:14px;font-weight:600;color:var(--primary);transition:.2s}
.chat-opt:hover{border-color:var(--accent);color:var(--accent);background:var(--light)}

/* Footer */
footer{background:#06283b;color:#9fb3bf;padding:46px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:30px}
footer h5{color:#fff;font-size:15px;margin-bottom:14px}
footer a{color:#9fb3bf;display:block;margin-bottom:8px;font-size:13.5px}
footer a:hover{color:var(--accent-2)}
footer ul{list-style:none}
footer li{margin-bottom:8px}
footer li a{display:block;font-size:13.5px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:30px;padding-top:18px;text-align:center;font-size:12.5px;color:#6f8794}

/* Sample placeholders */
.sample-note{text-align:center;color:var(--muted);font-size:13px;margin-top:20px;font-style:italic}

@media(max-width:1100px){.mat-grid{grid-template-columns:repeat(3,1fr)}.proc-grid{grid-template-columns:repeat(3,1fr)}.about-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .grid,.proj-grid,.art-grid{grid-template-columns:repeat(2,1fr)}
  .flag .wrap{grid-template-columns:1fr}
  .cta .wrap{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .lang{display:none}
  .mat-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .menu{position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 22px;gap:14px;border-bottom:1px solid var(--line);display:none;align-items:flex-start}
  .menu.open{display:flex}
  .burger{display:flex}
  .hero h1{font-size:34px}
  .page-hero h1{font-size:30px}
  .grid,.proj-grid,.art-grid,.mat-grid,.about-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .map-wrap iframe{height:300px}
}
/* ===== Mobile optimization ===== */
@media(max-width:900px){
  .hero-inner{padding:70px 0 80px}
  .page-hero-inner{padding:50px 0 54px}
  .sec-head{margin-bottom:34px}
  .sec-head h2{font-size:28px}
  .cta h2{font-size:26px}
  .single-head h1{font-size:28px}
  .cta .wrap{gap:30px}
  .contact-grid{gap:28px}
}
@media(max-width:640px){
  .hero-inner{padding:56px 0 60px}
  .hero h1{font-size:27px}
  .hero p.sub{font-size:15.5px}
  .page-hero-inner{padding:40px 0 44px}
  .page-hero h1{font-size:25px}
  .page-hero p.sub{font-size:14.5px}
  .sec-head h2{font-size:24px}
  .sec-head p{font-size:14.5px}
  .cta h2{font-size:23px}
  .cta p{font-size:14.5px}
  .sec-cta h2{font-size:23px}
  .single-head h1{font-size:24px}
  .entry-content h2{font-size:22px}
  .entry-content h3{font-size:18px}
  .entry-content p{font-size:15px}
  .wrap{padding:0 16px}
  .dualleg .wrap{gap:10px;font-size:12.5px}
  .dualleg .pill{padding:6px 12px;font-size:12px}
  .dualleg .lbl{font-size:11px;margin-bottom:4px;width:100%;text-align:center}
  .foot-grid{grid-template-columns:1fr}
  .chat-widget{right:14px;bottom:14px}
  .chat-toggle{width:50px;height:50px;font-size:22px}
  .chat-panel{width:calc(100vw - 28px);max-width:290px;right:-4px}
  form{padding:20px}
  .field input,.field select,.field textarea{font-size:16px}
  .btn{padding:12px 22px;font-size:14.5px}
  .nav{height:60px}
  .menu{top:60px}
  .custom-logo-link img{max-height:38px}
}
@media(max-width:480px){
  .hero-inner{padding:44px 0 48px}
  .hero h1{font-size:23px;line-height:1.18}
  .hero p.sub{font-size:14.5px}
  .hero-cta{gap:10px}
  .hero-cta .btn{width:100%;max-width:280px;text-align:center}
  .page-hero h1{font-size:22px}
  .sec-head h2{font-size:21px}
  .cta h2{font-size:21px}
  .sec-cta h2{font-size:21px}
  .sec-cta{padding:44px 0}
  .single-head h1{font-size:21px}
  .entry-content h2{font-size:20px}
  .entry-content p{font-size:14.5px}
  .proc-grid{grid-template-columns:1fr}
  .trust .wrap{font-size:12px}
  .info-card{padding:18px}
  .map-wrap iframe{height:240px}
  .chat-panel{padding:16px}
  .chat-opt{padding:10px 12px;font-size:13px}
  .foot-bottom{font-size:11.5px;padding:14px 16px 0}
  .dualleg .wrap{flex-direction:column;gap:8px}
  .dualleg .sep{display:none}
}


/* ===== Hero overlay mobile reinforcement ===== */
@media(max-width:640px){
  .hero.has-image::before,.page-hero.has-image::before{
    background:linear-gradient(90deg,rgba(2,24,39,.88) 0%,rgba(2,24,39,.7) 60%,rgba(2,24,39,.3) 100%)
  }
}

/* ===== TOSUN TECH social media icons ===== */
/* ===== Social row (shared) ===== */
.social-row {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 14px;
	margin-top: 26px;
}

.social-row .social-label {
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 1px;
	text-transform: uppercase;
	color: #fff;
}

.social-links {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
	margin: 0;
	padding: 0;
}

.social-links li {
	margin: 0;
}

/* Reset the generic footer link styles for the icon row. */
footer .social-links a,
.social-links a {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 36px;
	height: 36px;
	margin-bottom: 0;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.08);
	color: #9fb3bf;
	transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.social-links a:hover,
.social-links a:focus {
	background: var(--accent-2);
	color: #06283b;
	transform: translateY(-2px);
}

/* ===== Footer placement: between the link columns and the copyright line ===== */
footer .social-row {
	justify-content: center;
	text-align: center;
	padding-top: 22px;
	border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== Contact page placement: inside an info card, on a light background ===== */
.social-row.on-light {
	margin-top: 14px;
}

.social-row.on-light .social-label {
	color: var(--primary);
}

.social-row.on-light .social-links a {
	background: var(--light);
	color: var(--muted);
}

.social-row.on-light .social-links a:hover,
.social-row.on-light .social-links a:focus {
	background: var(--accent);
	color: #fff;
}

@media (max-width: 640px) {
	footer .social-row {
		flex-direction: column;
		gap: 12px;
	}
}

/* ===== header 顶部社媒图标（替换 EN / 中文） ===== */
.header-social {
	display: flex;
	align-items: center;
	gap: 4px;
	margin-left: 4px;
}

.header-social .social-links {
	display: flex;
	gap: 4px;
}

.header-social .social-links a {
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: transparent;
	color: var(--muted);
	margin-bottom: 0;
}

.header-social .social-links a:hover,
.header-social .social-links a:focus {
	background: var(--light);
	color: var(--accent);
	transform: translateY(-1px);
}

@media (max-width: 1024px) {
	.header-social { display: none; }
}

/* ===== fix: the contact card already has a "Follow us" heading, so hide the duplicate label inside it ===== */
.info-card .social-row .social-label {
	display: none;
}