/*
Theme Name: ECOFLOOR
Theme URI: https://ecofloor.vn
Author: Dichvuhost
Description: Theme giao diện cho công ty thi công sơn Epoxy và sàn công nghiệp ECOFLOOR.
Version: 1.0
Text Domain: ecofloor
*/

/* --- Reset & Variables --- */
:root {
    --primary-blue: #004d99;
    --primary-green: #4CAF50;
    --text-color: #333333;
    --text-gray: #666666;
    --bg-light: #f9f9fa;
    --bg-blue-light: #f0f7ff;
    --border-color: #e5e5e5;
    --font-main: 'Inter', sans-serif;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: #fff;
}
a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}
a:hover {
    color: var(--primary-green);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}
ul {
    list-style: none;
}

/* --- Utilities --- */
.section-padding { padding: 60px 0; }
.text-center { text-align: center; }
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.bg-light { background-color: var(--bg-light); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}
.btn-primary { background-color: var(--primary-green); color: #fff; }
.btn-primary:hover { background-color: #45a049; color: #fff; }
.btn-outline { background-color: transparent; border: 2px solid var(--primary-blue); color: var(--primary-blue); }
.btn-outline:hover { background-color: var(--primary-blue); color: #fff; }

/* --- Header --- */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 999;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}
.site-branding .logo-link { display: flex; flex-direction: column; }
.main-navigation ul { display: flex; gap: 25px; }
.main-navigation a { font-weight: 600; color: var(--text-color); text-transform: uppercase; font-size: 14px; }
.main-navigation a:hover { color: var(--primary-green); }
.header-contact { display: flex; align-items: center; gap: 20px; }
.hotline-box { display: flex; align-items: center; gap: 10px; }
.hotline-text { display: flex; flex-direction: column; line-height: 1.2; }
.hotline-text .label { font-size: 12px; color: var(--text-gray); }
.hotline-text .number { font-weight: bold; color: var(--primary-blue); font-size: 16px; }
.menu-toggle { display: none; }

/* --- Hero Section --- */
.hero-section {
    position: relative;
    padding: 100px 0 150px;
    background-color: #f0f0f0;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center; opacity: 0.8;
}
.hero-container { position: relative; z-index: 1; }
.hero-title { font-size: 42px; color: var(--primary-blue); margin-bottom: 15px; line-height: 1.2; text-transform: uppercase; }
.hero-subtitle { font-size: 20px; color: var(--text-gray); margin-bottom: 30px; }
.hero-actions { display: flex; gap: 15px; margin-bottom: 60px; }

/* Feature Bar */
.feature-bar {
    display: flex; background: #fff; border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05); padding: 15px 30px;
    justify-content: space-between; margin-top: -30px; position: absolute;
    bottom: -50px; left: 15px; right: 15px; z-index: 2;
}
.feature-item { display: flex; align-items: center; gap: 10px; }
.feature-item .text { display: flex; flex-direction: column; font-size: 13px; }
.feature-item strong { color: var(--primary-blue); }
.feature-item span { color: var(--text-gray); }

/* --- Sections Common --- */
.section-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 30px; border-bottom: 2px solid var(--primary-blue); padding-bottom: 10px;
}
.section-title { font-size: 20px; color: var(--primary-blue); display: flex; align-items: center; gap: 10px; margin: 0; }
.view-all { color: var(--primary-green); font-weight: 600; }

/* Service Card */
.service-card {
    background: #fff; border-radius: 8px; overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: transform 0.3s ease;
}
.service-card:hover { transform: translateY(-5px); }
.service-card .img-box { height: 180px; background: #eee; }
.service-card img { width: 100%; height: 100%; object-fit: cover; }
.service-title { font-size: 15px; text-align: center; padding: 15px; color: var(--primary-blue); }

/* Why Choose Us */
.why-choose-us .stats-box {
    display: flex; background: var(--bg-blue-light); border-radius: 10px;
    padding: 40px; align-items: center; justify-content: space-between; border: 1px solid var(--border-color);
}
.stat-title-col h2 { color: var(--primary-blue); font-size: 24px; line-height: 1.3; }
.stat-item { display: flex; align-items: center; gap: 15px; }
.stat-item .icon { font-size: 40px; }
.stat-item .text strong { display: block; font-size: 20px; color: var(--primary-blue); }
.stat-item .text span { font-size: 13px; color: var(--text-gray); }

/* Projects */
.project-card { background: #fff; border-radius: 8px; overflow: hidden; border: 1px solid var(--border-color); }
.project-card .img-box { height: 200px; background: #eee; }
.project-info { padding: 15px; }
.project-title { font-size: 16px; color: var(--primary-blue); margin-bottom: 5px; }
.project-desc { font-size: 14px; color: var(--text-gray); }

/* Process Timeline */
.process-timeline { display: flex; justify-content: space-between; position: relative; }
.process-timeline::before {
    content: ''; position: absolute; top: 30px; left: 10%; right: 10%;
    height: 2px; background: var(--border-color); z-index: 0;
}
.process-step { text-align: center; flex: 1; position: relative; z-index: 1; padding: 0 15px; }
.step-icon {
    width: 60px; height: 60px; background: #fff; border: 2px solid var(--primary-blue);
    border-radius: 50%; margin: 0 auto 15px; display: flex; align-items: center;
    justify-content: center; font-size: 24px; color: var(--primary-blue);
}
.process-step h4 { font-size: 15px; color: var(--primary-blue); margin-bottom: 10px; }
.process-step p { font-size: 13px; color: var(--text-gray); }

/* FAQ */
.faq-item { border: 1px solid var(--border-color); border-radius: 5px; margin-bottom: 10px; background: #fff; }
.faq-title { padding: 15px 20px; cursor: pointer; font-weight: 600; color: var(--primary-blue); display: flex; justify-content: space-between; }
.faq-content { padding: 0 20px; max-height: 0; overflow: hidden; transition: all 0.3s ease; }
.faq-item.active .faq-content { padding: 0 20px 20px; max-height: 500px; }
.faq-item.active .toggle-icon { transform: rotate(45deg); }
.toggle-icon { transition: transform 0.3s ease; }

/* Testimonial */
.testimonial-item { background: #fff; padding: 30px; border-radius: 10px; border: 1px solid var(--border-color); }
.quote { font-style: italic; color: var(--text-gray); margin-bottom: 20px; }
.author { display: flex; align-items: center; }

/* Footer */
.site-footer { background: var(--primary-blue); color: #fff; padding-top: 50px; }
.footer-columns { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 40px; }
.footer-title { font-size: 16px; margin-bottom: 20px; text-transform: uppercase; }
.footer-col p { font-size: 14px; margin-bottom: 10px; opacity: 0.9; }
.social-links a {
    display: inline-block; width: 30px; height: 30px; background: rgba(255,255,255,0.1);
    text-align: center; line-height: 30px; border-radius: 50%; margin-right: 5px;
}
.cert-logos span {
    display: inline-block; background: rgba(255,255,255,0.9); color: var(--text-color);
    padding: 5px 10px; border-radius: 4px; font-size: 12px; font-weight: bold; margin-bottom: 5px;
}
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; font-size: 13px; opacity: 0.8; }

/* Responsive */
@media (max-width: 991px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-columns { grid-template-columns: repeat(2, 1fr); }
    .why-choose-us .stats-box { flex-direction: column; text-align: center; gap: 20px; }
    .process-timeline { flex-direction: column; gap: 30px; }
    .process-timeline::before { display: none; }
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
    .header-contact { display: none; }
    .main-navigation ul {
        display: none; flex-direction: column; position: absolute;
        top: 80px; left: 0; width: 100%; background: #fff; padding: 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }
    .main-navigation ul.toggled { display: flex; }
    .menu-toggle { display: block; background: none; border: none; font-size: 24px; cursor: pointer; }
    .menu-toggle .bar { display: block; width: 25px; height: 3px; background: var(--primary-blue); margin: 5px 0; }
    .hero-title { font-size: 30px; }
    .feature-bar { flex-direction: column; position: static; margin-top: 30px; gap: 15px; }
}