/*
Theme Name: Vinatech Environment
Theme URI: https://www.vinatechjsc.com/
Author: Vinatech JSC
Author URI: https://www.vinatechjsc.com/
Description: Custom WordPress theme for Vinatech Environment JSC – Giải Pháp Môi Trường Tối Ưu. Chuẩn SEO, responsive, hỗ trợ quản lý bài viết qua admin.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: vinatech
Tags: custom-logo, custom-menu, featured-images, translation-ready, blog, one-column, two-columns
*/

/* =============================================
   VINATECH – CORE DESIGN SYSTEM
   ============================================= */
:root {
    --blue-dark: #0d2c6e;
    --blue-mid: #1a4dbf;
    --blue-light: #2c87d9;
    --cyan: #00c6e0;
    --orange: #f07c23;
    --orange-hover: #d96a18;
    --white: #ffffff;
    --off-white: #f4f8fd;
    --gray-light: #e6edf7;
    --gray-mid: #8a9ab5;
    --gray-dark: #444e60;
    --text: #1a2340;
    --shadow-sm: 0 2px 12px rgba(13,44,110,.08);
    --shadow-md: 0 8px 32px rgba(13,44,110,.13);
    --shadow-lg: 0 16px 48px rgba(13,44,110,.2);
    --radius: 14px;
    --radius-lg: 22px;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Be Vietnam Pro', sans-serif; color: var(--text); background: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section-head { margin-bottom: 3.5rem; }
.section-head.center { text-align: center; }
.section-tag { display: inline-flex; align-items: center; gap: 6px; font-size: .75rem; font-weight: 700; letter-spacing: .12em; color: var(--blue-mid); background: rgba(44,135,217,.1); padding: 5px 14px; border-radius: 50px; margin-bottom: .8rem; text-transform: uppercase; }
.section-title { font-family: 'Montserrat', sans-serif; font-size: clamp(1.7rem,3.2vw,2.5rem); font-weight: 800; line-height: 1.25; color: var(--blue-dark); margin-bottom: 1rem; }
.section-sub { font-size: 1.05rem; color: var(--gray-dark); max-width: 640px; line-height: 1.7; }
.section-head.center .section-sub { margin: 0 auto; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 9px; padding: 14px 28px; border-radius: 50px; font-weight: 700; font-size: .95rem; cursor: pointer; border: none; transition: var(--transition); white-space: nowrap; }
.btn-primary { background: linear-gradient(135deg, var(--blue-mid), var(--blue-light)); color: var(--white); box-shadow: 0 4px 20px rgba(26,77,191,.35); }
.btn-primary:hover { background: linear-gradient(135deg, var(--blue-dark), var(--blue-mid)); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(26,77,191,.45); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,.7); }
.btn-outline:hover { background: var(--white); color: var(--blue-dark); }
.btn-outline-dark { background: transparent; color: var(--blue-dark); border: 2px solid var(--blue-mid); }
.btn-outline-dark:hover { background: var(--blue-dark); color: var(--white); }

/* HEADER */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: var(--white); box-shadow: var(--shadow-sm); transition: var(--transition); padding: 0; }
.header.scrolled { top: 0; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 180px; gap: 24px; transition: height 0.3s ease; }
.logo-wrap { display: flex; align-items: center; }
.logo-img { height: 156px; width: auto; transition: height 0.3s ease; }

/* NAVBAR */
.navbar { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-link { font-size: .9rem; font-weight: 600; color: var(--gray-dark); padding: 8px 14px; border-radius: 8px; transition: var(--transition); display: flex; align-items: center; gap: 5px; }
.nav-link:hover, .nav-link.active, .current-menu-item > a, .current-menu-ancestor > a { color: var(--blue-mid); background: rgba(44,135,217,.08); }
.dropdown, .menu-item-has-children { position: relative; }
.dropdown-menu, .sub-menu { position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%); background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 8px; min-width: 260px; opacity: 0; visibility: hidden; transition: var(--transition); pointer-events: none; border-top: 3px solid var(--blue-mid); }
.dropdown:hover .dropdown-menu, .menu-item-has-children:hover > .sub-menu { opacity: 1; visibility: visible; pointer-events: auto; top: calc(100% + 4px); }
.dropdown-menu li a, .sub-menu li a { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 8px; font-size: .9rem; font-weight: 500; transition: var(--transition); }
.dropdown-menu li a:hover, .sub-menu li a:hover { background: var(--off-white); color: var(--blue-mid); }

/* HOTLINE */
.btn-hotline { display: flex; align-items: center; gap: 10px; background: linear-gradient(135deg, var(--blue-mid), var(--cyan)); color: var(--white); padding: 9px 18px; border-radius: 50px; transition: var(--transition); }
.btn-hotline:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.hotline-icon { width: 36px; height: 36px; background: rgba(255,255,255,.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; animation: pulse-ring 2s infinite; }
.hotline-text { display: flex; flex-direction: column; }
.hotline-label { font-size: .7rem; opacity: .85; line-height: 1; }
.hotline-number { font-weight: 800; font-size: .95rem; line-height: 1.4; }
@keyframes pulse-ring { 0%,100% { box-shadow: 0 0 0 0 rgba(255,255,255,.4); } 50% { box-shadow: 0 0 0 8px rgba(255,255,255,0); } }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.mobile-toggle span { width: 26px; height: 2.5px; background: var(--blue-dark); border-radius: 2px; transition: var(--transition); }
.header-cta { display: flex; align-items: center; gap: 12px; }

/* HERO */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding-top: calc(180px + 36px); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(110deg, rgba(13,44,110,.92) 0%, rgba(13,44,110,.75) 50%, rgba(0,198,224,.3) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 760px; padding: 4rem 0 5rem; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(240,124,35,.15); border: 1px solid rgba(240,124,35,.4); color: #f9c16e; padding: 8px 18px; border-radius: 50px; font-size: .78rem; font-weight: 700; letter-spacing: .1em; margin-bottom: 1.5rem; }
.hero-title { font-family: 'Montserrat', sans-serif; font-size: clamp(2.4rem,5vw,3.8rem); font-weight: 900; color: var(--white); line-height: 1.15; margin-bottom: 1.5rem; }
.gradient-text { background: linear-gradient(135deg, var(--cyan), #7edff5); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { font-size: 1.1rem; color: rgba(255,255,255,.88); line-height: 1.8; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 3.5rem; }

/* LOGO MARQUEE */
.logo-marquee { overflow:hidden; background:#fff; padding:50px 0; border-bottom:1px solid #f1f5f9; }
.logo-marquee-label { text-align:center; text-transform:uppercase; font-size:.8rem; font-weight:800; letter-spacing:2px; color:#94a3b8; margin-bottom:30px; }
.logo-track { display:flex; animation:marquee-scroll 35s linear infinite; width:max-content; }
.logo-track:hover { animation-play-state:paused; }
.logo-item { flex-shrink:0; width:180px; height:110px; display:flex; align-items:center; justify-content:center; margin:0 25px; background:#f8fafc; border-radius:16px; border:1px solid #e2e8f0; transition:.3s; padding:15px; }
.logo-item:hover { border-color:var(--blue-mid); box-shadow:0 4px 20px rgba(44,135,217,.15); transform:translateY(-4px); }
.logo-item img { max-height:80px; max-width:150px; object-fit:contain; }
@keyframes marquee-scroll { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* MAP */
.map-wrap { background:linear-gradient(135deg,#0d2c6e 0%,#1a4dbf 100%); padding:100px 0; }
.map-grid { display:grid; grid-template-columns:1fr 1.3fr; gap:80px; align-items:center; }
.map-text h2 { color:#fff; }
.map-text p { color:rgba(255,255,255,.8); }
.map-stat-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:40px; }
.map-stat { background:rgba(255,255,255,.1); padding:25px; border-radius:16px; border:1px solid rgba(255,255,255,.15); }
.map-stat h3 { color:var(--orange); font-size:2rem; margin-bottom:5px; }
.map-stat p { color:rgba(255,255,255,.7); font-size:.85rem; }
#vietnam-map { height:550px; border-radius:20px; border:4px solid rgba(255,255,255,.15); box-shadow:0 20px 60px rgba(0,0,0,.3); }

/* ABOUT */
.about-img-frame { position: relative; border-radius: 30px; overflow: visible; }
.about-img-frame img { width: 100%; border-radius: 30px; box-shadow: var(--shadow-lg); }
.experience-badge { position: absolute; bottom: -20px; right: -20px; background: var(--orange); color: #fff; padding: 25px; border-radius: 20px; box-shadow: var(--shadow-md); text-align: center; display: flex; flex-direction: column; line-height: 1.1; }
.experience-badge .num { font-size: 2.5rem; font-weight: 900; }
.experience-badge .txt { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; margin-top: 5px; }

/* SERVICES */
.services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.service-card { background: var(--off-white); border-radius: var(--radius-lg); padding: 36px 32px; border: 1px solid var(--gray-light); transition: var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--blue-mid), var(--cyan)); transform: scaleX(0); transition: var(--transition); }
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.svc-img-wrap { border-radius: 16px; overflow: hidden; margin-bottom: 20px; }
.svc-img-wrap img { width: 100%; height: 220px; object-fit: cover; transition: .5s; }
.service-card:hover .svc-img-wrap img { transform: scale(1.05); }
.svc-content h3 { font-size: 1.18rem; font-weight: 700; color: var(--blue-dark); margin-bottom: .8rem; }
.svc-content p { font-size: .92rem; color: var(--gray-dark); line-height: 1.7; margin-bottom: 1rem; }
.svc-link { font-size: .9rem; font-weight: 700; color: var(--blue-mid); display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); }
.svc-link i { transition: transform .25s; }
.svc-link:hover i { transform: translateX(5px); }
.svc-link:hover { color: var(--blue-dark); }

/* CONTACT FORM */
.contact-section { background:var(--off-white); padding:100px 0; }
.contact-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.form-card { background:#fff; padding:50px; border-radius:24px; box-shadow:var(--shadow-sm); }
.form-card h3 { font-size:1.6rem; margin-bottom:10px; color:var(--blue-dark); }
.form-card p { color:#64748b; margin-bottom:30px; }
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-weight:700; font-size:.85rem; color:var(--blue-dark); margin-bottom:8px; }
.form-group input, .form-group textarea, .form-group select { width:100%; padding:14px 18px; border:1.5px solid #e2e8f0; border-radius:12px; font-size:.95rem; font-family:inherit; transition:.3s; background:#f8fafc; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color:var(--blue-mid); outline:none; box-shadow:0 0 0 4px rgba(26,77,191,.08); background:#fff; }
.form-group textarea { resize:vertical; min-height:120px; }
.form-submit { width:100%; padding:16px; background:var(--blue-mid); color:#fff; border:none; border-radius:12px; font-size:1rem; font-weight:700; cursor:pointer; transition:.3s; }
.form-submit:hover { background:var(--blue-dark); transform:translateY(-2px); box-shadow:0 8px 25px rgba(26,77,191,.3); }
.form-success { display:none; text-align:center; padding:40px; }
.form-success i { font-size:3rem; color:#22c55e; margin-bottom:15px; }
.form-success h4 { color:var(--blue-dark); font-size:1.3rem; margin-bottom:10px; }
.contact-info-side h3 { font-size:1.6rem; color:var(--blue-dark); margin-bottom:30px; }
.contact-info-item { display:flex; gap:20px; margin-bottom:30px; align-items:flex-start; }
.contact-info-icon { width:50px; height:50px; background:linear-gradient(135deg,var(--blue-mid),var(--cyan)); border-radius:14px; display:flex; align-items:center; justify-content:center; color:#fff; font-size:1.2rem; flex-shrink:0; }
.contact-info-item h4 { font-size:.95rem; color:var(--blue-dark); margin-bottom:4px; }
.contact-info-item p { font-size:.9rem; color:#64748b; }

/* BLOG / TIN TỨC */
.page-hero-tt { background:linear-gradient(135deg, var(--blue-dark) 0%, #0a3080 100%); padding:180px 0 60px; text-align:center; color:#fff; }
.page-hero-tt h1 { font-size:3rem; font-weight:800; margin-bottom:15px; }
.articles-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:35px; }
.article-card { background:#fff; border-radius:20px; overflow:hidden; box-shadow:0 8px 30px rgba(0,0,0,.06); transition:.4s; }
.article-card:hover { transform:translateY(-8px); box-shadow:0 20px 50px rgba(0,0,0,.12); }
.article-card img, .article-card .post-thumbnail img { width:100%; height:220px; object-fit:cover; }
.article-body { padding:28px; }
.article-body .meta-tag { font-size:.7rem; margin-bottom:12px; display:inline-block; }
.meta-tag { background:linear-gradient(135deg, var(--blue-mid), var(--cyan)); color:#fff; padding:5px 14px; border-radius:30px; font-size:.75rem; font-weight:700; text-transform:uppercase; letter-spacing:.5px; }
.article-body h3 { font-size:1.1rem; font-weight:700; color:var(--blue-dark); margin-bottom:12px; line-height:1.5; }
.article-body h3 a { color:inherit; text-decoration:none; }
.article-body h3 a:hover { color:var(--blue-mid); }
.article-body p, .article-body .excerpt { color:#64748b; font-size:.88rem; line-height:1.7; margin-bottom:18px; display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden; }
.article-footer { display:flex; justify-content:space-between; align-items:center; padding-top:15px; border-top:1px solid #f1f5f9; }
.article-footer .date { color:#94a3b8; font-size:.8rem; }
.article-footer a { color:var(--blue-mid); font-weight:700; font-size:.85rem; text-decoration:none; }
.article-footer a:hover { color:var(--orange); }

/* Blog sidebar */
.blog-layout { display:grid; grid-template-columns:1fr 340px; gap:50px; }
.sidebar { position:sticky; top:120px; }
.sidebar-card { background:#fff; border-radius:20px; padding:30px; box-shadow:0 8px 30px rgba(0,0,0,.06); margin-bottom:30px; }
.sidebar-card h4 { color:var(--blue-dark); font-size:1.1rem; font-weight:700; margin-bottom:20px; padding-bottom:12px; border-bottom:2px solid var(--orange); display:inline-block; }
.cat-list li { margin-bottom:12px; }
.cat-list li a { color:#475569; font-size:.92rem; text-decoration:none; display:flex; justify-content:space-between; padding:10px 14px; border-radius:10px; transition:.3s; }
.cat-list li a:hover { background:var(--off-white); color:var(--blue-mid); }
.keyword-tags { display:flex; flex-wrap:wrap; gap:8px; }
.keyword-tag { background:var(--off-white); color:#475569; padding:7px 14px; border-radius:30px; font-size:.8rem; font-weight:600; text-decoration:none; transition:.3s; }
.keyword-tag:hover { background:var(--blue-mid); color:#fff; }

/* SINGLE POST */
.single-post-content { max-width: 800px; margin: 0 auto; padding: 60px 24px; }
.single-post-content .entry-header { margin-bottom: 40px; }
.single-post-content .entry-title { font-family: 'Montserrat', sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--blue-dark); line-height: 1.3; margin-bottom: 20px; }
.single-post-content .entry-meta { display: flex; gap: 20px; color: var(--gray-mid); font-size: .9rem; flex-wrap: wrap; }
.single-post-content .entry-content { font-size: 1.05rem; line-height: 1.9; color: var(--gray-dark); }
.single-post-content .entry-content h2 { font-size: 1.6rem; font-weight: 700; color: var(--blue-dark); margin: 2rem 0 1rem; }
.single-post-content .entry-content h3 { font-size: 1.3rem; font-weight: 700; color: var(--blue-dark); margin: 1.5rem 0 .8rem; }
.single-post-content .entry-content p { margin-bottom: 1.2rem; }
.single-post-content .entry-content img { border-radius: 16px; margin: 2rem 0; box-shadow: var(--shadow-sm); }
.single-post-content .entry-content ul, .single-post-content .entry-content ol { margin: 1rem 0 1.5rem 1.5rem; }
.single-post-content .entry-content ul li, .single-post-content .entry-content ol li { margin-bottom: .6rem; line-height: 1.7; list-style: disc; }
.single-post-content .entry-content ol li { list-style: decimal; }
.single-post-content .entry-content blockquote { border-left: 4px solid var(--blue-mid); padding: 20px 25px; background: var(--off-white); border-radius: 0 12px 12px 0; margin: 2rem 0; font-style: italic; }

/* PAGINATION */
.pagination { display:flex; justify-content:center; gap:8px; margin-top:50px; }
.pagination a, .pagination span { display:inline-flex; align-items:center; justify-content:center; width:42px; height:42px; border-radius:10px; font-weight:700; font-size:.9rem; transition:.3s; }
.pagination a { background:var(--off-white); color:var(--blue-dark); border:1px solid var(--gray-light); }
.pagination a:hover { background:var(--blue-mid); color:#fff; border-color:var(--blue-mid); }
.pagination .current { background:var(--blue-mid); color:#fff; border:1px solid var(--blue-mid); }

/* BREADCRUMB */
.breadcrumb { padding: 15px 0; font-size: .85rem; color: var(--gray-mid); }
.breadcrumb a { color: var(--blue-mid); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { margin: 0 8px; }

/* FLOATING */
.floating-actions { position: fixed; right: 24px; bottom: 28px; display: flex; flex-direction: column; gap: 12px; z-index: 900; }
.float-btn { width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; cursor: pointer; transition: var(--transition); position: relative; border: none; }
.float-btn:hover { transform: scale(1.12); }
.float-btn.phone { background: linear-gradient(135deg, var(--blue-mid), var(--cyan)); color: var(--white); box-shadow: 0 4px 18px rgba(26,77,191,.4); animation: pulse-float 2.5s infinite; }
@keyframes pulse-float { 0%,100% { box-shadow: 0 4px 18px rgba(26,77,191,.4); } 50% { box-shadow: 0 4px 28px rgba(26,77,191,.7); } }
.float-btn.zalo { background: linear-gradient(135deg, #00aaff, #00ccff); color: var(--white); box-shadow: 0 4px 18px rgba(0,170,255,.35); }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(28px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(32px); transition: opacity .6s ease, transform .6s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 900px) {
    .map-grid, .contact-grid { grid-template-columns: 1fr; }
    #vietnam-map { height: 400px; }
    .services-grid { grid-template-columns: 1fr; }
    .blog-layout { grid-template-columns: 1fr; }
    .articles-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
    .navbar { position: fixed; inset: 74px 0 0; background: var(--white); flex-direction: column; padding: 32px 24px; transform: translateX(-100%); transition: transform .3s; z-index: 999; overflow-y: auto; }
    .navbar.open { transform: translateX(0); }
    .nav-list { flex-direction: column; align-items: flex-start; width: 100%; gap: 4px; }
    .nav-link { width: 100%; font-size: 1rem; padding: 12px 16px; }
    .sub-menu { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: none; padding: 0 0 0 16px; }
    .mobile-toggle { display: flex; }
    .btn-hotline .hotline-text { display: none; }
    .btn-hotline { padding: 9px; }
    .articles-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2rem; }
    .hero-actions { flex-direction: column; }
}