/*
Theme Name: Duc An Environment
Author: Đức An
Description: Giao diện cổ điển (classic theme) cho Đức An — kỹ thuật môi trường và nhà máy sản xuất FRP. Responsive, popup yêu cầu báo giá 3 nhóm (Bồn Composite, Lọc nước, Xử lý nước thải) lưu vào quản trị và gửi email, trang Kiến thức dùng bài viết WordPress.
Version: 1.1.0
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 8.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ducan
Tags: business, custom-logo, custom-menu, featured-images, one-column
*/
:root{--ink:#11364c;--muted:#536c7a;--teal:#008e7b;--mint:#e8f7f1;--ice:#eef7fb;--line:#dce8ed;--paper:#fff;--radius:22px;--shadow:0 20px 65px #1b697713;--font:system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:#fff;color:var(--ink);font:16px/1.7 var(--font)}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%;height:auto}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #167ec4;outline-offset:4px}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.18;letter-spacing:-.035em}h1{font-size:clamp(38px,4.6vw,70px);font-weight:800}h2{font-size:clamp(29px,3vw,43px);margin-bottom:20px}h3{font-size:23px}p{color:var(--muted)}.container{width:min(1220px,calc(100% - 64px));margin:auto}.section{padding:92px 0}.section.soft{background:linear-gradient(120deg,var(--ice),#fff 70%)}.section.mint{background:var(--mint)}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.19em;font-weight:750;color:var(--teal);display:block;margin-bottom:17px}.accent{color:var(--teal)}.lead{font-size:19px;max-width:680px}.muted{color:var(--muted)}.small{font-size:13px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:20px;padding:13px 22px;border-radius:9px;border:1px solid transparent;background:var(--teal);color:white;font-size:14px;font-weight:700;min-height:48px;transition:transform .2s,background .2s}.btn:hover{background:#006f60;transform:translateY(-2px)}.btn.outline{background:#ffffffb8;color:var(--ink);border-color:#b6cdd8}.btn.outline:hover{background:var(--ice)}.btn.text{background:transparent;color:var(--teal);padding-left:0}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid #e0eaee;background:#ffffffed;backdrop-filter:blur(16px)}.admin-bar .site-header{top:32px}.nav{min-height:86px;display:flex;align-items:center;gap:34px}.brand{font-size:29px;font-weight:900;letter-spacing:-1.5px;white-space:nowrap}.brand:before{content:"";display:inline-block;width:17px;height:24px;border-radius:3px 16px 3px 16px;background:linear-gradient(150deg,#21bdab,#057ead);margin-right:10px;vertical-align:-2px}.brand img{max-height:52px;width:auto}.nav-links{display:flex;gap:26px;align-items:center;margin-left:auto;font-size:13px;font-weight:650}.nav-links ul{list-style:none;padding:0;margin:0;display:flex;gap:22px}.nav-links .current-menu-item>a,.nav-links a[aria-current=page]{color:var(--teal)}.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:7px 12px;color:var(--ink)}.skip{position:absolute;top:-100px;left:20px;z-index:100;background:white;padding:10px}.skip:focus{top:10px}.hero{position:relative;overflow:hidden;background:linear-gradient(110deg,#f1fafc,#e5f7f1);padding-top:58px}.hero-copy{position:relative;z-index:2;max-width:860px}.hero h1{max-width:900px;margin-bottom:23px}.hero .lead{max-width:700px}.hero-art{position:relative;margin-top:36px;height:460px;border-radius:24px 24px 0 0;overflow:hidden}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:center 62%}.art-note{position:absolute;right:14px;bottom:14px;border-radius:6px;padding:4px 9px;color:#24485a;background:#ffffffdc;font-size:10px}.hero-tags{position:absolute;left:24px;right:24px;bottom:42px;display:flex;justify-content:space-between;gap:20px}.glass{background:#ffffffeb;backdrop-filter:blur(16px);border:1px solid white;border-radius:14px;padding:17px 22px;box-shadow:var(--shadow);font-size:14px;font-weight:750}.glass span{display:block;font-size:11px;color:var(--muted);font-weight:500}.section-top{display:flex;align-items:end;justify-content:space-between;gap:36px;margin-bottom:30px}.section-top h2{margin-bottom:0}.section-top p{max-width:430px;margin:0}.grid{display:grid;gap:24px}.two{grid-template-columns:repeat(2,minmax(0,1fr))}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.four{grid-template-columns:repeat(4,minmax(0,1fr))}.card{border:1px solid var(--line);border-radius:var(--radius);background:white;overflow:hidden;transition:transform .25s,box-shadow .25s}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card-body{padding:28px}.card h3{margin-bottom:13px}.card p:last-child{margin-bottom:0}.photo{position:relative;overflow:hidden;background:var(--ice);height:240px}.photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s}.photo.left img{width:200%;max-width:none;object-position:left;transform:translateX(0)}.photo.right img{width:200%;max-width:none;transform:translateX(-50%)}.photo .art-note{font-size:9px}.chip{display:inline-flex;font-size:11px;font-weight:700;border:1px solid #bfded9;border-radius:999px;padding:4px 11px;color:var(--teal);background:#f4fcf8}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.card-no{font-size:12px;letter-spacing:.12em;color:var(--teal);margin-bottom:13px;display:block}.pillars .card:first-child{background:#f5fbfe}.pillars .card:last-child{background:#f0fbf6}.pillars .photo{height:290px}.factory{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}.factory .photo{height:500px;border-radius:24px}.ticks{padding:0;list-style:none}.ticks li{padding:12px 0;border-bottom:1px solid var(--line)}.ticks li:before{content:"✓";color:var(--teal);margin-right:13px;font-weight:800}.step{position:relative;padding:25px 8px;border-top:1px solid #afd4cb}.step strong{display:block;font-size:31px;color:var(--teal);margin-bottom:22px}.step h3{font-size:18px}.step p{font-size:14px;margin:0}.step-list{grid-template-columns:repeat(5,minmax(0,1fr));gap:25px}.cta{padding:43px 48px;background:linear-gradient(110deg,#dff5ed,#eaf7fc);border:1px solid #d9eeeb;border-radius:22px;display:flex;align-items:center;justify-content:space-between;gap:35px}.cta h2{font-size:32px;margin-bottom:8px}.cta p{margin:0}.site-footer{padding:60px 0 22px;background:#f5f9fa;border-top:1px solid var(--line)}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:65px}.footer-grid h3{font-size:16px}.footer-grid a{display:block;color:var(--muted);font-size:14px;margin:9px 0}.footer-grid .brand{font-size:29px;color:var(--ink)}.footer-bottom{border-top:1px solid var(--line);padding-top:20px;margin-top:40px;font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:20px}.quote-float{position:fixed;bottom:22px;right:24px;z-index:15;box-shadow:0 7px 30px #008e7b35}.breadcrumb{font-size:12px;color:var(--muted);padding:24px 0}.breadcrumb a{color:var(--teal)}.inner-hero{padding:35px 0 65px;background:linear-gradient(110deg,#eff8fc,#f3fbf7)}.inner-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:center}.inner-hero h1{font-size:clamp(35px,4vw,56px)}.inner-hero .photo{height:390px;border-radius:22px}.feature-icon{width:46px;height:46px;border-radius:13px;color:var(--teal);background:var(--mint);display:grid;place-items:center;font-size:21px;margin-bottom:25px}.prose{max-width:800px}.prose h2{font-size:29px;margin-top:40px}.prose h3{font-size:22px;margin-top:30px}.prose p,.prose li{color:var(--muted)}.prose a{color:var(--teal);text-decoration:underline}.prose img{border-radius:16px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:65px}.article-aside{position:sticky;top:115px;align-self:start}.aside-box{padding:25px;border-radius:18px;border:1px solid var(--line);margin-bottom:20px;background:#f5fafb}.aside-box h3{font-size:19px}.aside-box a{display:block;font-size:13px;margin:10px 0}.aside-box .btn{color:#fff}.article-title{font-size:clamp(34px,4vw,56px);max-width:1000px}.article-cover{height:410px;border-radius:20px;margin:28px 0 40px}.article-meta{font-size:13px;color:var(--muted)}.checklist{padding:26px;border-radius:16px;background:var(--mint);margin:30px 0}.checklist h3{margin-top:0}.search-bar{display:flex;gap:10px;margin:28px 0;align-items:flex-end}.search-bar input{flex:1;min-width:0}.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.filter{padding:9px 18px;border:1px solid var(--line);border-radius:30px;background:white;color:var(--ink);font-size:13px}.filter.active{background:var(--teal);color:white;border-color:var(--teal)}.empty{padding:40px;background:var(--ice);border-radius:16px}.product{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:start}.product-view{min-height:440px;display:grid;place-items:center;background:radial-gradient(ellipse at center,#d6f0f1,#eff8fb 65%);border-radius:22px;position:relative}.product-view svg{width:80%;height:380px;filter:drop-shadow(0 25px 14px #476f752b)}.product-view figcaption{font-size:11px;position:absolute;bottom:15px;color:var(--muted)}table{border-collapse:collapse;width:100%;font-size:14px}td,th{padding:13px 15px;text-align:left;border-bottom:1px solid var(--line)}th{background:var(--ice)}.product-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:25px;overflow:auto}.product-tabs button{border:0;background:transparent;padding:14px 18px;color:var(--ink);white-space:nowrap}.product-tabs button[aria-selected=true]{border-bottom:3px solid var(--teal);color:var(--teal);font-weight:700}.faq details{padding:20px 0;border-bottom:1px solid var(--line)}.faq summary{font-weight:650;cursor:pointer}.faq p{padding-top:16px}.notice{padding:17px 22px;border:1px solid #bfded9;background:#edf9f3;border-radius:12px;margin:20px 0}.notice.error{background:#fff1ed;border-color:#e9b4a6}.demo-note{font-size:12px;padding:12px 20px;border-bottom:1px solid var(--line);background:#f6fafb;color:var(--muted);text-align:center}.quote-dialog{padding:0;border:0;border-radius:22px;width:min(790px,calc(100% - 30px));max-height:90dvh;color:var(--ink);box-shadow:0 25px 100px #0c2c4e55}.quote-dialog::backdrop{background:#1233488c;backdrop-filter:blur(4px)}.dialog-body{padding:32px 38px;position:relative}.dialog-close{position:absolute;right:17px;top:13px;background:transparent;border:0;color:var(--muted);font-size:29px;line-height:1;padding:5px 9px}.dialog-body h2{font-size:27px;margin-bottom:5px}.dialog-body>p{font-size:13px;margin-bottom:22px}.quote-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;border:0;padding:0;margin:0 0 22px}.quote-tabs legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.quote-tabs label{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:10px;padding:12px 9px;font-size:12px;font-weight:650;cursor:pointer}.quote-tabs label:has(input:checked){border-color:var(--teal);background:var(--mint);color:var(--teal)}.quote-tabs input{accent-color:var(--teal);width:15px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:5px;font-size:12px;font-weight:650}.field.full{grid-column:1/-1}input,textarea,select{width:100%;background:white;border:1px solid #cddde5;border-radius:7px;padding:10px 12px;color:var(--ink);font-size:14px;min-width:0}textarea{resize:vertical;min-height:85px}input[type=checkbox],input[type=radio]{width:auto}input[type=file]{font-size:12px}.consent{display:flex;gap:9px;align-items:flex-start;margin:16px 0;font-size:12px;color:var(--muted)}.consent input{margin-top:5px;flex-shrink:0;accent-color:var(--teal)}.quote-submit{display:flex;justify-content:space-between;align-items:center;gap:20px}.quote-submit .consent{font-size:11px}.form-status{font-size:13px;margin-top:16px}.trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:50px}.page-content{padding:35px 0}.wp-block-image img{max-width:100%;height:auto}.pagination{display:flex;justify-content:center;gap:16px;margin-top:40px}.pagination .current{color:var(--teal);font-weight:bold}[hidden]{display:none!important}
@media(min-width:1450px){.hero-art{height:490px}}@media(max-width:1000px){.nav{gap:18px}.nav-links{gap:16px;font-size:12px}.nav>.btn{padding:10px 15px}.factory,.inner-grid,.product{gap:32px}.article-layout{gap:32px;grid-template-columns:minmax(0,1fr) 240px}.three{grid-template-columns:repeat(2,minmax(0,1fr))}.four{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:65px 0}}
@media(max-width:780px){.container{width:calc(100% - 36px)}.nav{min-height:72px;flex-wrap:wrap;gap:12px}.brand{font-size:25px}.menu-toggle{display:block;margin-left:auto}.nav>.btn{display:none}.nav-links{display:none;order:3;flex-basis:100%;margin:0;padding:12px 0 20px;align-items:start;flex-direction:column;font-size:15px}.nav-links.is-open{display:flex}.nav-links ul{flex-direction:column;gap:14px}.hero{padding-top:38px}.hero h1{font-size:clamp(35px,7.4vw,54px)}.lead{font-size:16px}.hero-art{height:320px;margin-top:30px}.hero-art img{object-fit:cover}.hero-tags{left:10px;right:10px;bottom:35px;gap:10px}.glass{font-size:11px;padding:12px}.glass span{font-size:9px}.section{padding:52px 0}.section-top{display:block}.section-top p{margin-top:16px}.two,.three,.four,.factory,.inner-grid,.product,.contact-grid{grid-template-columns:1fr}.pillars .photo{height:220px}.factory .photo{height:320px}.step-list{grid-template-columns:1fr 1fr;gap:20px}.step{padding:20px 0}.step strong{font-size:25px;margin-bottom:13px}.step h3{font-size:17px}.cta{padding:27px;display:block}.cta .btn{margin-top:22px}.cta h2{font-size:27px}.footer-grid{grid-template-columns:1fr;gap:22px}.footer-bottom{display:block}.quote-float{right:14px;bottom:14px;min-height:45px;padding:10px 16px;font-size:12px}.inner-hero{padding-bottom:40px}.inner-hero .photo{height:280px}.article-layout{grid-template-columns:1fr}.article-aside{position:static;order:-1}.article-aside .aside-box:first-child{padding:15px}.article-aside .aside-box:first-child a{display:inline-block;margin-right:12px}.article-aside .aside-box:last-child{display:none}.article-cover{height:250px}.dialog-body{padding:29px 19px 22px}.dialog-body h2{font-size:23px;padding-right:30px}.form-grid{gap:12px}.quote-tabs{gap:6px}.quote-tabs label{padding:10px 5px;font-size:10px;gap:4px}.quote-tabs input{width:12px}.quote-submit{align-items:start;flex-direction:column;gap:0}.quote-submit .btn{width:100%}.quote-dialog{max-height:92dvh}.admin-bar .site-header{top:46px}.search-bar{flex-wrap:wrap}}
@media(max-width:430px){.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.hero .actions .btn{font-size:12px;padding:11px 15px}.quote-tabs{grid-template-columns:1fr}.quote-tabs label{font-size:13px;padding:10px}.hero-tags{flex-direction:column;align-items:start}.hero-art{height:350px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important;transform:none!important}}
/* --- Bổ sung cho WordPress --- */
.screen-reader-text{border:0;clip-path:inset(50%);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute!important;width:1px;word-wrap:normal!important}
.screen-reader-text:focus{clip-path:none;height:auto;width:auto;margin:0;padding:12px 18px;background:#fff;z-index:100;top:10px;left:10px}
.brand.has-logo:before{display:none}
.card-media{display:block}
.pagination a,.pagination span{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:30px;padding:0 12px;font-size:14px}
.pagination .current{background:var(--teal);border-color:var(--teal);color:#fff}
.pagination .dots{border:0}
.filters a.filter{display:inline-block}
.prose .wp-block-image img,.prose figure img{height:auto}
.prose figure{margin:28px 0}
.prose figcaption,.wp-caption-text{font-size:13px;color:var(--muted);margin-top:8px}
.prose table{width:100%;border-collapse:collapse;margin:24px 0}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose blockquote{margin:28px 0;padding:6px 0 6px 22px;border-left:4px solid var(--teal)}
.alignleft{float:left;margin:6px 24px 16px 0}.alignright{float:right;margin:6px 0 16px 24px}.aligncenter{margin-left:auto;margin-right:auto}
.alignwide{max-width:1220px}.alignfull{width:100vw;max-width:100vw;margin-left:calc(50% - 50vw)}
.sticky .card-body h3:before{content:"Nổi bật · ";color:var(--teal);font-size:13px}
.comments-area .comment-list{padding-left:20px}
.comments-area input:not([type=submit]):not([type=checkbox]),.comments-area textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.search-bar input{height:46px}.search-bar .btn{min-height:46px;padding-top:10px;padding-bottom:10px}