/* =========================================
   Không Gian Đô Thị - Main Stylesheet
   ========================================= */

/* --- Variables --- */
:root {
    --primary: #0B3785;
    --primary-dark: #072560;
    --primary-light: #1565C0;
    --accent: #E8711A;
    --accent-hover: #CF5F0E;
    --text: #333333;
    --text-dark: #222222;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-gray: #F5F7FA;
    --bg-dark: #1C2733;
    --white: #FFFFFF;
    --border: #E0E0E0;
    --shadow: 0 2px 12px rgba(0,0,0,0.1);
    --shadow-hover: 0 6px 24px rgba(0,0,0,0.15);
    --radius: 4px;
    --transition: all 0.3s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    font-size: 15px;
    color: var(--text);
    line-height: 1.7;
    background: var(--white);
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-weight: 600; line-height: 1.3; }

/* --- Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.section-pad { padding: 60px 0; }
.section-pad-sm { padding: 40px 0; }

/* --- Section Heading --- */
.section-header { text-align: center; margin-bottom: 45px; }
.section-header h2 {
    font-size: 28px;
    color: var(--primary);
    text-transform: uppercase;
    position: relative;
    display: inline-block;
    padding-bottom: 14px;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 3px;
    background: var(--accent);
}
.section-header p {
    margin-top: 14px;
    color: var(--text-light);
    max-width: 700px;
    margin-left: auto; margin-right: auto;
}
.section-header-left { text-align: left; }
.section-header-left h2::after { left: 0; transform: none; }

/* =========================================
   TOP BAR
   ========================================= */
.topbar {
    background: var(--primary);
    color: var(--white);
    font-size: 13px;
    padding: 8px 0;
}
.topbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar-left { display: flex; gap: 20px; align-items: center; }
.topbar-left span { display: flex; align-items: center; gap: 6px; }
.topbar-left a { color: var(--white); }
.topbar-left a:hover { color: #FFD580; }
.topbar-left i { font-size: 12px; }
.topbar-right { display: flex; gap: 10px; }
.topbar-right a {
    color: var(--white);
    width: 26px; height: 26px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.4);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px;
}
.topbar-right a:hover { background: var(--accent); border-color: var(--accent); }

/* =========================================
   HEADER
   ========================================= */
.site-header {
    background: var(--white);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 10000;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 20px;
}
.site-logo { flex-shrink: 0; }
.logo-img { height: 65px; width: auto; object-fit: contain; }

/* --- Navigation --- */
.main-nav { flex: 1; }
.nav-menu {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0;
}
.nav-item { position: relative; }
.nav-item > a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 14px 14px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.nav-item > a i { font-size: 10px; }
.nav-item > a:hover,
.nav-item.active > a { color: var(--primary); }
.nav-item.active > a { border-bottom: 2px solid var(--primary); }

/* Dropdown */
.dropdown {
    position: absolute;
    top: 100%; left: 0;
    background: var(--white);
    min-width: 240px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    border-top: 3px solid var(--primary);
    border-radius: 0 0 4px 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
    z-index: 100;
}
.nav-item:hover > .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown li > a {
    display: block;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 400;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}
.dropdown li:last-child > a { border-bottom: none; }
.dropdown li > a:hover { color: var(--primary); background: var(--bg-gray); padding-left: 24px; }

/* Sub-dropdown */
.has-dropdown-sub { position: relative; }
.dropdown-sub {
    position: absolute;
    top: 0; left: 100%;
    background: var(--white);
    min-width: 220px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
    border-top: 3px solid var(--accent);
    border-radius: 0 0 4px 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(8px);
    transition: var(--transition);
    z-index: 101;
}
.has-dropdown-sub:hover > .dropdown-sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10001;
    position: relative;
}
.hamburger span {
    display: block;
    width: 26px; height: 2px;
    background: var(--primary);
    transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav Overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9997;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: pointer;
}
.nav-overlay.active { opacity: 1; visibility: visible; }

/* Ẩn nút nổi khi mobile nav mở để tránh che chồng */
body.nav-open .float-contact,
body.nav-open .back-to-top { display: none !important; }

/* =========================================
   HERO / BANNER
   ========================================= */
/* =========================================
   HERO BANNER — CSS-only, no external image
   ========================================= */
.hero-section {
    width: 100%;
    min-height: 580px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(145deg, #0a1f4a 0%, #0B3785 45%, #0d4099 75%, #0a2d6b 100%);
    display: flex;
    align-items: center;
}
/* Dot pattern overlay */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
/* Decorative floating shapes */
.hero-shape {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.hero-shape-1 {
    width: 420px; height: 420px;
    top: -140px; right: 5%;
    background: radial-gradient(circle, rgba(232,113,26,0.18) 0%, transparent 70%);
}
.hero-shape-2 {
    width: 280px; height: 280px;
    bottom: 40px; right: 22%;
    background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 70%);
}
.hero-shape-3 {
    width: 180px; height: 180px;
    top: 60px; left: 38%;
    background: radial-gradient(circle, rgba(232,113,26,0.10) 0%, transparent 70%);
}
/* City skyline at bottom */
.hero-cityline {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
    pointer-events: none;
}
.hero-cityline svg {
    width: 100%;
    height: auto;
    display: block;
}
/* Inner layout */
.hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 30px 160px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}
.hero-content {
    color: var(--white);
    max-width: 580px;
    flex-shrink: 0;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232,113,26,0.25);
    border: 1px solid rgba(232,113,26,0.5);
    color: #ffc27a;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.hero-content h1 {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 18px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.35);
}
.hero-content h1 span {
    color: #E8711A;
    display: block;
}
.hero-content p {
    font-size: 16px;
    margin-bottom: 32px;
    opacity: 0.88;
    line-height: 1.7;
}
.hero-btns {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}
.hero-content .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    padding: 13px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.25s;
}
.hero-content .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid rgba(255,255,255,0.55);
    color: var(--white);
    padding: 11px 26px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.25s;
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.12);
    border-color: white;
    transform: translateY(-2px);
}
/* Hero stats panel */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    flex-shrink: 0;
}
.hero-stat {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 10px;
    padding: 18px 20px;
    text-align: center;
    color: white;
    backdrop-filter: blur(4px);
    transition: background 0.25s;
}
.hero-stat:hover { background: rgba(255,255,255,0.14); }
.hero-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #E8711A;
    line-height: 1;
    margin-bottom: 6px;
}
.hero-stat span {
    font-size: 12px;
    opacity: 0.82;
    line-height: 1.3;
}

/* =========================================
   SERVICES SECTION
   ========================================= */
.services-section { background: var(--bg-gray); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.service-card {
    background: var(--white);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.service-card-img {
    height: 210px;
    overflow: hidden;
}
.service-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card-body {
    padding: 22px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.service-card-body h3 {
    font-size: 17px;
    color: var(--primary);
    margin-bottom: 10px;
}
.service-card-body p { color: var(--text-light); font-size: 14px; flex: 1; }
.service-card-body .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
}
.service-card-body .btn-link:hover { gap: 10px; }

/* =========================================
   COMPANY INTRO SECTION
   ========================================= */
.intro-section { background: var(--white); }
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.intro-image { position: relative; }
.intro-image img {
    width: 100%;
    border-radius: 6px;
    box-shadow: var(--shadow-hover);
}
.intro-image::before {
    content: '';
    position: absolute;
    top: -10px; left: -10px;
    width: 100%; height: 100%;
    border: 3px solid var(--primary);
    border-radius: 6px;
    z-index: -1;
}
/* Logo card intro */
.intro-logo-card::before { display: none; }
.intro-logo-bg {
    position: relative;
    background: linear-gradient(145deg, #0a1f4a 0%, #0B3785 55%, #0d4099 100%);
    border-radius: 14px;
    overflow: hidden;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 280px;
    box-shadow: 0 12px 40px rgba(11,55,133,0.35);
}
.intro-logo-shape {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.intro-logo-shape.s1 {
    width: 260px; height: 260px;
    top: -80px; right: -60px;
    background: radial-gradient(circle, rgba(232,113,26,0.2) 0%, transparent 70%);
}
.intro-logo-shape.s2 {
    width: 180px; height: 180px;
    bottom: -50px; left: -40px;
    background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 70%);
}
.intro-logo-shape.s3 {
    width: 120px; height: 120px;
    top: 30px; left: 20px;
    background: radial-gradient(circle, rgba(232,113,26,0.1) 0%, transparent 70%);
}
.intro-logo-img {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 260px;
    height: auto;
    filter: brightness(0) invert(1);
    drop-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.intro-logo-domain {
    position: relative;
    z-index: 1;
    margin-top: 20px;
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.intro-content h2 {
    font-size: 26px;
    color: var(--primary);
    margin-bottom: 16px;
}
.intro-content .divider {
    width: 50px; height: 3px;
    background: var(--accent);
    margin-bottom: 20px;
}
.intro-content p { color: var(--text-light); margin-bottom: 14px; font-size: 15px; }
.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
}
.stat-item {
    text-align: center;
    padding: 16px;
    background: var(--bg-gray);
    border-radius: 6px;
    border-top: 3px solid var(--primary);
}
.stat-item .stat-num {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
    display: block;
}
.stat-item .stat-label { font-size: 12px; color: var(--text-light); }
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    transition: var(--transition);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); color: var(--white); }
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary);
    padding: 11px 26px;
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 14px;
    transition: var(--transition);
    margin-left: 12px;
}
.btn-outline:hover { background: var(--primary); color: var(--white); }

/* =========================================
   FEATURED PROJECTS SECTION
   ========================================= */
.projects-section { background: var(--bg-gray); }
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.project-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.project-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.project-card-img {
    height: 210px;
    overflow: hidden;
    position: relative;
}
.project-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.45s ease;
}
.project-card:hover .project-card-img img { transform: scale(1.08); }
/* Hover overlay */
.project-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11,55,133,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}
.project-card:hover .project-card-overlay { opacity: 1; }
.project-overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: white;
    padding: 10px 22px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    transform: translateY(10px);
    transition: transform 0.3s;
}
.project-card:hover .project-overlay-btn { transform: translateY(0); }
.project-overlay-btn:hover { background: var(--accent-hover); color: white; }
/* Project type badge */
.project-tag {
    position: absolute;
    top: 12px; left: 12px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 11px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    color: white;
    text-transform: uppercase;
}
.tag-blue   { background: var(--primary); }
.tag-orange { background: var(--accent); }
.tag-green  { background: #27ae60; }
.tag-purple { background: #7c3aed; }
/* Card body */
.project-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.project-card-body h3 {
    font-size: 15px;
    color: var(--primary);
    margin-bottom: 8px;
    line-height: 1.5;
    font-weight: 600;
}
.project-desc {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 12px;
    flex: 1;
}
.project-meta {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 12.5px;
    color: var(--text-light);
    margin-bottom: 14px;
    padding-top: 12px;
    border-top: 1px solid #f0f3f9;
}
.project-meta span { display: flex; align-items: flex-start; gap: 6px; }
.project-meta i { margin-top: 2px; color: var(--accent); flex-shrink: 0; }
.project-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    margin-top: auto;
    transition: gap 0.2s;
}
.project-card-link:hover { color: var(--accent); gap: 10px; }

/* =========================================
   CONSTRUCTION PROJECTS LIST
   ========================================= */
.constr-section { background: var(--white); }

/* Card grid layout (new) */
.constr-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.constr-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.constr-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.constr-card-img {
    height: 200px;
    overflow: hidden;
    position: relative;
}
.constr-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.45s;
}
.constr-card:hover .constr-card-img img { transform: scale(1.08); }
.constr-card-overlay {
    position: absolute; inset: 0;
    background: rgba(11,55,133,0.7);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s;
}
.constr-card:hover .constr-card-overlay { opacity: 1; }
.constr-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.constr-card-body h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.5;
    margin: 0;
}
.constr-card-body p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.65;
    flex: 1;
    margin: 0;
}
.constr-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid #f0f3f9;
    font-size: 12.5px;
    color: var(--text-light);
}
.constr-card-meta i { color: var(--accent); margin-right: 4px; }
.constr-year {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    background: #FFF3E0;
    padding: 3px 10px;
    border-radius: 20px;
}

/* Legacy list styles (kept for other uses) */
.constr-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.constr-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px;
    background: var(--bg-gray);
    border-radius: 6px;
    border-left: 4px solid var(--primary);
    transition: var(--transition);
}
.constr-item:hover { background: #EBF0FB; border-left-color: var(--accent); }
.constr-icon {
    width: 42px; height: 42px; min-width: 42px;
    background: var(--primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 18px;
}
.constr-info h4 { font-size: 14px; color: var(--primary); margin-bottom: 4px; }
.constr-info p  { font-size: 13px; color: var(--text-light); margin: 0; }

/* =========================================
   PROCESS SECTION
   ========================================= */
.process-section {
    background: var(--primary);
    color: var(--white);
}
.process-section .section-header h2 { color: var(--white); }
.process-section .section-header h2::after { background: var(--accent); }
.process-section .section-header p { color: rgba(255,255,255,0.75); }
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0;
    position: relative;
    margin-top: 40px;
}
.process-steps::before {
    content: '';
    position: absolute;
    top: 38px;
    left: 10%; right: 10%;
    height: 2px;
    background: rgba(255,255,255,0.25);
    z-index: 0;
}
.process-step {
    text-align: center;
    padding: 0 10px;
    position: relative;
    z-index: 1;
}
.step-num {
    width: 76px; height: 76px;
    background: rgba(255,255,255,0.15);
    border: 3px solid rgba(255,255,255,0.5);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 18px;
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition);
}
.process-step:hover .step-num {
    background: var(--accent);
    border-color: var(--accent);
}
.step-icon {
    font-size: 28px;
    color: var(--white);
    opacity: 0.85;
}
.process-step h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 8px;
    line-height: 1.4;
}
.process-step p {
    font-size: 12.5px;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
}

/* =========================================
   MISSION / VISION SECTION
   ========================================= */
.mission-section { background: var(--bg-gray); }
.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.mission-card {
    background: var(--white);
    padding: 35px 30px;
    border-radius: 6px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--primary);
}
.mission-card.accent-card { border-top-color: var(--accent); }
.mission-card-icon {
    width: 60px; height: 60px;
    background: var(--primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
    font-size: 24px;
    color: white;
}
.mission-card.accent-card .mission-card-icon { background: var(--accent); }
.mission-card h3 {
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 14px;
}
.mission-card.accent-card h3 { color: var(--accent); }
.mission-card p { color: var(--text-light); line-height: 1.8; }

/* =========================================
   BENEFITS SECTION
   ========================================= */
.benefits-section { background: var(--white); }
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}
.benefit-item {
    text-align: center;
    padding: 30px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}
.benefit-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
    text-decoration: none;
}
.benefit-icon {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    font-size: 30px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 16px;
    transition: var(--transition);
}
.benefit-item:hover .benefit-icon {
    background: var(--accent);
}
.benefit-item h4 {
    font-size: 15px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
}
.benefit-item p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
}

/* =========================================
   PARTNERS SECTION
   ========================================= */
.partners-section { background: var(--bg-gray); }
.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    align-items: center;
}
.partner-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 90px;
    transition: var(--transition);
}
.partner-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.partner-item img { max-height: 50px; object-fit: contain; filter: grayscale(40%); }
.partner-item:hover img { filter: grayscale(0); }
.partner-name {
    font-weight: 700;
    color: var(--primary);
    font-size: 14px;
    text-align: center;
}

/* =========================================
   TƯ VẤN MIỄN PHÍ SECTION
   ========================================= */
.consult-section { background: var(--bg-gray); }
.consult-wrap {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 50px;
    align-items: start;
}
/* Left - Form */
.section-header.left-align { text-align: left; margin-bottom: 28px; }
.section-header.left-align::after { margin: 12px 0 0; }
.section-tag {
    display: inline-block;
    background: var(--accent);
    color: white;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}
.consult-form { display: flex; flex-direction: column; gap: 16px; }
.consult-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.consult-field { display: flex; flex-direction: column; gap: 6px; }
.consult-field label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 6px;
}
.consult-field label i { color: var(--primary); font-size: 12px; }
.consult-field label span { color: var(--accent); }
.consult-field input,
.consult-field select,
.consult-field textarea {
    border: 1.5px solid #dde3ef;
    border-radius: 8px;
    padding: 11px 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-dark);
    background: white;
    transition: border-color 0.2s;
    outline: none;
}
.consult-field input:focus,
.consult-field select:focus,
.consult-field textarea:focus { border-color: var(--primary); }
.consult-field textarea { resize: vertical; }
.btn-consult-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    width: 100%;
    letter-spacing: 0.3px;
}
.btn-consult-submit:hover { background: #0a2d6b; transform: translateY(-1px); }
.consult-msg {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    margin-top: 4px;
}
.consult-msg.success { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.consult-msg.error   { background: #fdecea; color: #c62828; border: 1px solid #ef9a9a; }

/* Right - Info */
.consult-info-col { display: flex; flex-direction: column; gap: 24px; }
.consult-highlight {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    padding: 22px 24px;
}
.consult-highlight > i {
    font-size: 28px;
    color: #E8711A;
    flex-shrink: 0;
    margin-top: 2px;
}
.consult-highlight strong { display: block; font-size: 16px; margin-bottom: 4px; }
.consult-highlight p { font-size: 13px; opacity: 0.85; margin: 0; }

.consult-contact-list { display: flex; flex-direction: column; gap: 10px; }
.consult-contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: white;
    border: 1.5px solid #e2e8f4;
    border-radius: 10px;
    padding: 14px 18px;
    transition: border-color 0.2s, box-shadow 0.2s;
    color: var(--text-dark);
}
.consult-contact-item:hover { border-color: var(--primary); box-shadow: 0 2px 10px rgba(11,55,133,0.1); }
.cci-icon {
    width: 42px; height: 42px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
    color: white;
}
.cci-icon.phone { background: var(--primary); }
.cci-icon.zalo  { background: #0068ff; }
.cci-icon.email { background: var(--accent); }
.consult-contact-item span { font-size: 12px; color: var(--text-light); display: block; }
.consult-contact-item strong { font-size: 15px; color: var(--text-dark); }

.consult-promises {
    background: white;
    border: 1.5px solid #e2e8f4;
    border-radius: 12px;
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.cp-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
}
.cp-item i { color: #27ae60; font-size: 15px; }

/* Responsive */
@media (max-width: 900px) {
    .consult-wrap { grid-template-columns: 1fr; }
    .consult-row  { grid-template-columns: 1fr; }
}

/* =========================================
   TIN TỨC - NEWS GRID
   ========================================= */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 40px;
}
.news-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    transition: transform 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(11,55,133,0.13); }
.news-card-img-wrap {
    position: relative;
    display: block;
    overflow: hidden;
    height: 200px;
}
.news-card-img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.news-card:hover .news-card-img { transform: scale(1.05); }
.news-card-img-placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, #0B3785, #1565C0);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.4);
    font-size: 40px;
}
.news-card-cat {
    position: absolute;
    top: 12px; left: 12px;
    background: var(--accent);
    color: white;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 20px;
    text-transform: uppercase;
}
.news-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-card-meta {
    display: flex;
    gap: 14px;
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
}
.news-card-meta i { color: var(--accent); margin-right: 4px; }
.news-card-title {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.45;
    margin-bottom: 10px;
}
.news-card-title a { color: var(--text-dark); }
.news-card-title a:hover { color: var(--primary); }
.news-card-excerpt {
    font-size: 13.5px;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
}
.news-card-link {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
}
.news-card-link:hover { color: var(--accent); }
.news-card-link i { transition: transform 0.2s; }
.news-card-link:hover i { transform: translateX(4px); }

/* =========================================
   SINGLE POST
   ========================================= */
.single-post-wrap {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}
.single-post-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #e8ecf4;
}
.single-post-meta i { color: var(--accent); margin-right: 4px; }
.single-post-meta a { color: var(--primary); }
.single-post-thumb { margin-bottom: 28px; border-radius: 10px; overflow: hidden; }
.single-thumb-img { width: 100%; height: auto; display: block; }
.single-post-body { font-size: 15px; line-height: 1.85; color: var(--text-dark); }
.single-post-body h2 { font-size: 20px; color: var(--primary); margin: 28px 0 12px; }
.single-post-body h3 { font-size: 17px; color: var(--primary); margin: 22px 0 10px; }
.single-post-body p { margin-bottom: 16px; }
.single-post-body ul, .single-post-body ol { padding-left: 22px; margin-bottom: 16px; }
.single-post-body li { margin-bottom: 6px; }
.single-post-body img { max-width: 100%; border-radius: 8px; margin: 16px 0; }
.single-post-share {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid #e8ecf4;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}
.single-post-share a {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    transition: background 0.2s;
}
.single-post-share a:hover { background: var(--accent); }
/* Sidebar */
.single-post-sidebar { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 24px; }
.sidebar-widget {
    background: white;
    border-radius: 10px;
    padding: 22px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}
.widget-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
}
.sidebar-post-item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f3f9;
}
.sidebar-post-item:last-child { border-bottom: none; }
.spi-img { flex-shrink: 0; width: 68px; height: 52px; border-radius: 6px; overflow: hidden; display: block; }
.spi-thumb { width: 100%; height: 100%; object-fit: cover; }
.spi-text a { font-size: 13px; font-weight: 500; color: var(--text-dark); line-height: 1.4; display: block; margin-bottom: 4px; }
.spi-text a:hover { color: var(--primary); }
.spi-text span { font-size: 11px; color: var(--text-light); }
.sidebar-cta {
    background: linear-gradient(145deg, #0B3785, #0d4099) !important;
    color: white;
    text-align: center;
}
.sidebar-cta > i { font-size: 32px; color: #E8711A; margin-bottom: 12px; display: block; }
.sidebar-cta h4 { color: white; font-size: 16px; margin-bottom: 8px; }
.sidebar-cta p { font-size: 13px; opacity: 0.8; margin-bottom: 16px; }
.btn-sidebar-call {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--accent);
    color: white;
    padding: 11px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s;
}
.btn-sidebar-call:hover { background: var(--accent-hover); }

@media (max-width: 900px) {
    .news-grid { grid-template-columns: 1fr 1fr; }
    .single-post-wrap { grid-template-columns: 1fr; }
    .single-post-sidebar { position: static; }
}
@media (max-width: 600px) {
    .news-grid { grid-template-columns: 1fr; }
}

/* =========================================
   CÔNG TRÌNH TRIỂN KHAI PAGE
   ========================================= */
/* Stats bar */
.ct-stats-bar {
    background: var(--primary);
    padding: 22px 0;
}
.ct-stats-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 0;
    text-align: center;
}
.ct-stat {
    color: white;
    padding: 10px 20px;
    border-right: 1px solid rgba(255,255,255,0.15);
}
.ct-stat:last-child { border-right: none; }
.ct-stat strong { display: block; font-size: 32px; font-weight: 700; color: #E8711A; line-height: 1; margin-bottom: 4px; }
.ct-stat span { font-size: 13px; opacity: 0.85; }

/* Intro */
.ct-intro {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 50px;
    align-items: center;
    margin-bottom: 40px;
}
.ct-intro-text h2 { font-size: 26px; color: var(--primary); margin: 10px 0 14px; }
.ct-intro-text p  { color: var(--text-light); line-height: 1.75; }
.ct-intro-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.ct-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--bg-gray);
    border-radius: 10px;
    text-align: center;
    border: 2px solid transparent;
    transition: border-color 0.2s, background 0.2s;
}
.ct-badge:hover { border-color: var(--primary); background: #EBF0FB; }
.ct-badge i { font-size: 22px; color: var(--primary); }
.ct-badge span { font-size: 12px; font-weight: 500; color: var(--text-dark); line-height: 1.3; }

/* Filter */
.ct-filter-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}
.ct-filter {
    padding: 9px 20px;
    border: 2px solid #dde3ef;
    background: white;
    border-radius: 25px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.ct-filter:hover  { border-color: var(--primary); color: var(--primary); }
.ct-filter.active { background: var(--primary); border-color: var(--primary); color: white; }

/* Card grid */
.ct-grid {
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 26px;
}
.ct-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 14px rgba(0,0,0,0.07);
    transition: transform 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.ct-card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(11,55,133,0.14); }
.ct-card-img {
    height: 210px;
    overflow: hidden;
    position: relative;
}
.ct-card-img img { width:100%; height:100%; object-fit:cover; transition: transform 0.4s; }
.ct-card:hover .ct-card-img img { transform: scale(1.06); }
.ct-card-overlay {
    position: absolute; inset: 0;
    background: rgba(11,55,133,0.65);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.3s;
}
.ct-card:hover .ct-card-overlay { opacity: 1; }
.ct-detail-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 22px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transform: translateY(8px);
    transition: transform 0.3s, background 0.2s;
    font-family: inherit;
}
.ct-card:hover .ct-detail-btn { transform: translateY(0); }
.ct-detail-btn:hover { background: var(--accent-hover); }
.ct-year-badge {
    position: absolute;
    bottom: 12px; right: 12px;
    background: rgba(0,0,0,0.55);
    color: white;
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
}
.ct-card-body { padding: 20px; flex:1; display:flex; flex-direction:column; gap:10px; }
.ct-card-body h3 { font-size:15px; font-weight:600; color:var(--primary); line-height:1.5; margin:0; }
.ct-desc { font-size:13.5px; color:var(--text-light); line-height:1.65; margin:0; }
.ct-detail-box {
    background: #f0f5ff;
    border-left: 3px solid var(--primary);
    border-radius: 0 6px 6px 0;
    padding: 12px 14px;
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.7;
    margin-top: 4px;
}
.ct-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid #f0f3f9;
    margin-top: auto;
}
.ct-loc { font-size:12.5px; color:var(--text-light); }
.ct-loc i { color:var(--accent); margin-right:4px; }
.ct-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--primary);
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    padding: 0;
    transition: color 0.2s;
}
.ct-toggle-btn:hover { color: var(--accent); }

/* Commit grid */
.ct-commit-grid {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 20px;
}
.ct-commit-card {
    background: white;
    border-radius: 12px;
    padding: 28px 22px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    border-top: 4px solid var(--primary);
    transition: transform 0.2s;
}
.ct-commit-card.accent { border-top-color: var(--accent); }
.ct-commit-card:hover { transform: translateY(-3px); }
.ct-commit-icon {
    width: 56px; height: 56px;
    background: linear-gradient(135deg,#0B3785,#1565C0);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white; font-size: 22px;
    margin: 0 auto 16px;
}
.ct-commit-card.accent .ct-commit-icon { background: linear-gradient(135deg,#E8711A,#f09040); }
.ct-commit-card h4 { font-size:15px; color:var(--primary); margin-bottom:10px; }
.ct-commit-card p  { font-size:13.5px; color:var(--text-light); line-height:1.65; margin:0; }

/* Responsive */
@media (max-width:1024px) {
    .ct-stats-grid    { grid-template-columns: repeat(2,1fr); }
    .ct-grid          { grid-template-columns: repeat(2,1fr); }
    .ct-commit-grid   { grid-template-columns: repeat(2,1fr); }
    .ct-intro         { grid-template-columns: 1fr; }
}
@media (max-width:600px) {
    .ct-stats-grid  { grid-template-columns: repeat(2,1fr); }
    .ct-grid        { grid-template-columns: 1fr; }
    .ct-commit-grid { grid-template-columns: 1fr; }
}

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 55px 0;
    text-align: center;
    color: white;
}
.cta-section h2 { font-size: 28px; margin-bottom: 12px; }
.cta-section p { font-size: 16px; opacity: 0.85; margin-bottom: 28px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--primary);
    padding: 13px 30px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 15px;
    text-transform: uppercase;
}
.btn-white:hover { background: #F0F0F0; transform: translateY(-2px); color: var(--primary); }
.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: var(--white);
    padding: 13px 30px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 15px;
    text-transform: uppercase;
}
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); color: white; }

/* =========================================
   FOOTER
   ========================================= */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.8); }
.footer-main { padding: 50px 0 30px; }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
}
.footer-logo img { height: 55px; margin-bottom: 14px; }
.footer-company-name {
    font-weight: 700;
    color: var(--white);
    font-size: 14px;
    margin-bottom: 14px;
    text-transform: uppercase;
    line-height: 1.5;
}
.footer-info-list { display: flex; flex-direction: column; gap: 10px; }
.footer-info-list li {
    display: flex;
    gap: 10px;
    font-size: 13.5px;
    align-items: flex-start;
}
.footer-info-list li i {
    color: var(--accent);
    margin-top: 4px;
    min-width: 14px;
}
.footer-info-list a { color: rgba(255,255,255,0.8); }
.footer-info-list a:hover { color: var(--accent); }
.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}
.footer-social a {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 14px;
}
.footer-social a:hover { background: var(--accent); }
.footer-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a {
    font-size: 13.5px;
    color: rgba(255,255,255,0.75);
    display: flex;
    align-items: center;
    gap: 7px;
}
.footer-links a:hover { color: var(--accent); padding-left: 4px; }
.footer-links i { font-size: 11px; color: var(--accent); }
.footer-map iframe { border-radius: 4px; }
.footer-bottom {
    background: rgba(0,0,0,0.25);
    padding: 14px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}
.footer-bottom strong { color: var(--white); }
.footer-bottom a { color: var(--accent); }

/* =========================================
   FLOATING BUTTONS
   ========================================= */
.float-contact {
    position: fixed;
    right: 20px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}
.float-btn {
    width: 46px; height: 46px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.25);
    transition: var(--transition);
}
.float-btn:hover { transform: scale(1.12); color: white; }
.float-zalo { background: #0068ff; padding: 10px; }
.float-zalo img { width: 100%; height: 100%; object-fit: contain; }
.float-fb { background: #1877F2; }
.float-phone {
    background: var(--accent);
    animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
    0%   { box-shadow: 0 0 0 0 rgba(232,113,26,0.5); }
    70%  { box-shadow: 0 0 0 12px rgba(232,113,26,0); }
    100% { box-shadow: 0 0 0 0 rgba(232,113,26,0); }
}

/* =========================================
   BACK TO TOP
   ========================================= */
.back-to-top {
    position: fixed;
    right: 20px; bottom: 50px;
    width: 40px; height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 9998;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); color: white; }

/* =========================================
   BREADCRUMB
   ========================================= */
.breadcrumb-bar {
    background: var(--bg-gray);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 10px; color: var(--text-muted); }

/* =========================================
   PAGE CONTENT
   ========================================= */
.page-content { padding: 50px 0; }
.content-area { max-width: 900px; margin: 0 auto; }
.entry-title {
    font-size: 26px;
    color: var(--primary);
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border);
}
.entry-content p { margin-bottom: 16px; color: var(--text-light); }
.entry-content h2 { font-size: 22px; color: var(--primary); margin: 24px 0 12px; }
.entry-content h3 { font-size: 18px; color: var(--primary); margin: 20px 0 10px; }
.entry-content ul, .entry-content ol { padding-left: 20px; margin-bottom: 16px; }
.entry-content li { margin-bottom: 8px; color: var(--text-light); }

/* =========================================
   CONTACT PAGE
   ========================================= */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}
.contact-info-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.contact-info-icon {
    width: 48px; height: 48px;
    min-width: 48px;
    background: var(--primary);
    border-radius: 50%;
    color: white;
    font-size: 18px;
    display: flex; align-items: center; justify-content: center;
}
.contact-info-text h4 { font-size: 15px; color: var(--primary); margin-bottom: 4px; }
.contact-info-text p { font-size: 14px; color: var(--text-light); margin: 0; }
.contact-form-box { background: var(--bg-gray); padding: 30px; border-radius: 6px; }
.contact-form-box h3 { font-size: 20px; color: var(--primary); margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; }
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11,55,133,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 32px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1100px) {
    .nav-item > a { padding: 14px 10px; font-size: 12.5px; }
    .benefits-grid { grid-template-columns: repeat(3, 1fr); }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
    .process-steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .process-steps::before { display: none; }
}

@media (max-width: 900px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .mission-grid { grid-template-columns: 1fr; }
    .intro-grid { grid-template-columns: 1fr; }
    .intro-image::before { display: none; }
    .constr-list { grid-template-columns: 1fr; }
    .constr-card-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .topbar-left span:nth-child(2) { display: none; }
    .topbar-left span:nth-child(3) { display: none; }
    .hamburger { display: flex; }
    .logo-img { height: 52px; }
    .main-nav {
        position: fixed;
        top: 0; right: -100%;
        width: min(300px, 85vw); height: 100vh;
        background: var(--white);
        box-shadow: -4px 0 24px rgba(0,0,0,0.18);
        overflow-y: auto;
        transition: right 0.3s ease;
        z-index: 9999;
        padding-top: 64px;
    }
    .main-nav.open { right: 0; }
    .nav-menu { flex-direction: column; align-items: flex-start; }
    .nav-item { width: 100%; border-bottom: 1px solid var(--border); }
    .nav-item > a { width: 100%; padding: 15px 20px; font-size: 14px; }
    .dropdown, .dropdown-sub {
        position: static;
        opacity: 1; visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--bg-gray);
        display: none;
        min-width: unset;
        width: 100%;
    }
    .dropdown.open, .dropdown-sub.open { display: block; }
    .dropdown li > a { padding: 11px 32px; font-size: 13.5px; }
    .dropdown-sub li > a { padding: 11px 44px; font-size: 13px; }
    .has-dropdown-sub { position: static; }
    .hero-inner { flex-direction: column; padding: 50px 20px 140px; gap: 28px; }
    .hero-content h1 { font-size: 26px; }
    .hero-stats { grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; }
    .hero-stat { padding: 14px 12px; }
    .hero-stat strong { font-size: 22px; }
    .hero-btns { flex-direction: column; align-items: flex-start; }
    .btn-outline-white { text-align: center; justify-content: center; }
    .services-grid { grid-template-columns: 1fr 1fr; }
    .projects-grid { grid-template-columns: 1fr 1fr; }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-map { display: none; }
    .intro-stats { grid-template-columns: repeat(3, 1fr); }
    .section-header h2 { font-size: 22px; }
    .consult-wrap { grid-template-columns: 1fr; }
    .consult-row  { grid-template-columns: 1fr; }
    .site-header.scrolled { box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
}

/* =========================================
   INNER PAGES - PAGE BANNER
   ========================================= */
.page-banner {
    height: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
}
.page-banner-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(7,37,96,0.82) 0%, rgba(11,55,133,0.5) 60%, rgba(0,0,0,0.25) 100%);
}
.page-banner-content { position: relative; z-index: 1; color: white; }
.page-banner-content h1 {
    font-size: 36px;
    font-weight: 700;
    text-shadow: 0 2px 8px rgba(0,0,0,0.35);
    margin-bottom: 12px;
}
.page-banner-content .breadcrumb a { color: rgba(255,255,255,0.8); }
.page-banner-content .breadcrumb { color: rgba(255,255,255,0.7); }
.page-banner-content .breadcrumb i { font-size: 10px; }

/* =========================================
   INNER PAGE SECTIONS
   ========================================= */
.inner-section { padding: 55px 0; }
.inner-section.bg-gray { background: var(--bg-gray); }
.inner-section.bg-primary { background: var(--primary); }

/* Two-col overview */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}
.overview-grid.reverse { direction: rtl; }
.overview-grid.reverse > * { direction: ltr; }
.overview-img { position: relative; }
.overview-img img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.overview-img::after {
    content: '';
    position: absolute;
    bottom: -10px; right: -10px;
    width: 120px; height: 120px;
    background: var(--accent);
    opacity: 0.15;
    border-radius: 8px;
    z-index: -1;
}
.overview-text h2 { font-size: 26px; color: var(--primary); margin-bottom: 14px; }
.overview-text .divider { width: 50px; height: 3px; background: var(--accent); margin-bottom: 20px; }
.overview-text p { color: var(--text-light); margin-bottom: 14px; line-height: 1.8; }

/* Feature list */
.feature-list { list-style: none; margin: 16px 0; }
.feature-list li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-light);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list li i { color: var(--accent); margin-top: 3px; min-width: 16px; }

/* Cards grid */
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.cards-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.info-card {
    background: white;
    padding: 28px 22px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--primary);
    transition: var(--transition);
}
.info-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.info-card.accent { border-top-color: var(--accent); }
.info-card-icon {
    width: 56px; height: 56px;
    background: var(--primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 22px;
    margin-bottom: 16px;
}
.info-card.accent .info-card-icon { background: var(--accent); }
.info-card h4 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
.info-card.accent h4 { color: var(--accent); }
.info-card p { font-size: 13.5px; color: var(--text-light); line-height: 1.7; }

/* Values */
.values-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.value-card {
    background: white;
    padding: 20px 18px;
    border-radius: 6px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.value-icon {
    width: 46px; height: 46px;
    min-width: 46px;
    background: var(--primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-size: 18px;
}
.value-content h4 { font-size: 15px; color: var(--primary); margin-bottom: 6px; }
.value-content p { font-size: 13px; color: var(--text-light); margin: 0; line-height: 1.6; }

/* Steps numbered */
.steps-list { display: flex; flex-direction: column; gap: 16px; }
.step-row { display: flex; gap: 16px; align-items: flex-start; }
.step-num-circle {
    width: 42px; height: 42px;
    min-width: 42px;
    background: var(--primary);
    border-radius: 50%;
    color: white;
    font-weight: 700;
    font-size: 16px;
    display: flex; align-items: center; justify-content: center;
}
.step-row-content h4 { font-size: 15px; color: var(--primary); margin-bottom: 5px; }
.step-row-content p { font-size: 13.5px; color: var(--text-light); margin: 0; }

/* Timeline */
.timeline { position: relative; padding-left: 50px; }
.timeline::before {
    content: '';
    position: absolute;
    left: 29px; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
}
.timeline-item { position: relative; margin-bottom: 28px; }
.timeline-dot {
    position: absolute;
    left: -50px; top: 8px;
    width: 58px; height: 58px;
    background: var(--primary);
    border-radius: 50%;
    color: white;
    font-size: 13px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    text-align: center;
    line-height: 1.2;
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.timeline-content {
    background: white;
    padding: 18px 22px;
    border-radius: 6px;
    box-shadow: var(--shadow);
    border-left: 3px solid var(--primary);
    transition: var(--transition);
}
.timeline-content:hover { box-shadow: var(--shadow-hover); }
.timeline-content h4 { font-size: 15px; color: var(--primary); margin-bottom: 6px; }
.timeline-content p { font-size: 13.5px; color: var(--text-light); margin: 0; }
.timeline-tag {
    display: inline-block;
    background: #EEF3FF;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    margin-top: 8px;
}

/* Gallery for projects */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.gallery-item {
    border-radius: 6px;
    overflow: hidden;
    position: relative;
    height: 200px;
    box-shadow: var(--shadow);
}
.gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11,55,133,0.65);
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: white; font-weight: 600; font-size: 14px; text-align: center; padding: 0 10px; }

/* Contact form */
.contact-page-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; }
.contact-info-list-v2 { display: flex; flex-direction: column; gap: 18px; }
.contact-info-item-v2 {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 18px; background: white; border-radius: 6px; box-shadow: var(--shadow);
}
.ci-icon {
    width: 48px; height: 48px; min-width: 48px;
    background: var(--primary); border-radius: 50%;
    color: white; font-size: 18px;
    display: flex; align-items: center; justify-content: center;
}
.ci-text h4 { font-size: 14px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.ci-text p, .ci-text a { font-size: 13.5px; color: var(--text-light); margin: 0; }
.ci-text a:hover { color: var(--accent); }
.contact-form-wrap { background: white; padding: 35px; border-radius: 8px; box-shadow: var(--shadow); }
.contact-form-wrap h3 { font-size: 22px; color: var(--primary); margin-bottom: 6px; }
.contact-form-wrap p.sub { font-size: 13px; color: var(--text-light); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13.5px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 11px 14px;
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 14px; font-family: inherit;
    transition: var(--transition); background: var(--bg-gray);
}
.form-group input:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(11,55,133,0.1); background: white;
}
.form-group textarea { resize: vertical; min-height: 130px; }

/* Responsive inner pages */
@media (max-width: 900px) {
    .overview-grid, .contact-page-wrap { grid-template-columns: 1fr; }
    .cards-3 { grid-template-columns: repeat(2, 1fr); }
    .cards-4 { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .values-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .page-banner { height: 220px; }
    .page-banner-content h1 { font-size: 26px; }
}
@media (max-width: 600px) {
    .cards-3 { grid-template-columns: 1fr; }
    .cards-4 { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: 1fr; }
}

/* =========================================
   SHOP / CỬA HÀNG
   ========================================= */
.shop-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}
.shop-title { font-size: 26px; color: var(--primary); margin-bottom: 6px; }
.shop-subtitle { font-size: 14px; color: var(--text-light); max-width: 550px; }
.shop-filter { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
    padding: 8px 18px;
    border: 1.5px solid var(--border);
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
    white-space: nowrap;
}
.filter-btn:hover, .filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Product Grid */
.shop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

/* Product Image */
.product-img-wrap {
    display: block;
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--bg-gray);
}
.product-img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}
.product-card:hover .product-img { transform: scale(1.06); }
.product-img-placeholder {
    width: 100%; height: 100%;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    color: var(--text-muted);
    gap: 8px;
}
.product-img-placeholder i { font-size: 42px; opacity: 0.4; }
.product-img-placeholder span { font-size: 13px; }
.product-img-overlay {
    position: absolute;
    inset: 0;
    background: rgba(11,55,133,0.65);
    display: flex; align-items: center; justify-content: center;
    opacity: 0;
    transition: var(--transition);
}
.product-img-wrap:hover .product-img-overlay { opacity: 1; }
.product-img-overlay span { color: white; font-size: 14px; font-weight: 600; }

/* Category badge */
.product-cats { padding: 10px 14px 0; display: flex; gap: 6px; flex-wrap: wrap; }
.cat-badge {
    background: #EEF3FF;
    color: var(--primary);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.cat-badge:hover { background: var(--primary); color: white; }

/* Product Body */
.product-body { padding: 14px 16px; flex: 1; }
.product-title {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}
.product-title a { color: var(--text); }
.product-title a:hover { color: var(--primary); }
.product-desc { font-size: 13.5px; color: var(--text-light); line-height: 1.65; margin-bottom: 10px; }
.product-contact-label {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--accent);
    background: #FFF3E0;
    padding: 4px 10px;
    border-radius: 4px;
}

/* Product Footer Buttons */
.product-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-top: 1px solid var(--border);
}
.btn-product-detail, .btn-product-call {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 8px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
}
.btn-product-detail {
    background: var(--bg-gray);
    color: var(--primary);
    border-right: 1px solid var(--border);
}
.btn-product-detail:hover { background: var(--primary); color: white; }
.btn-product-call {
    background: var(--accent);
    color: white;
}
.btn-product-call:hover { background: var(--accent-hover); color: white; }

/* Shop Empty */
.shop-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-light);
}
.shop-empty i { font-size: 64px; opacity: 0.3; margin-bottom: 16px; display: block; }
.shop-empty h3 { font-size: 22px; margin-bottom: 10px; color: var(--primary); }
.shop-empty p { margin-bottom: 24px; }

/* Pagination */
.shop-pagination { margin-top: 40px; display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.shop-pagination .page-numbers {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    border: 1.5px solid var(--border);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transition: var(--transition);
}
.shop-pagination .page-numbers:hover,
.shop-pagination .page-numbers.current {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* =========================================
   PRODUCT DETAIL PAGE
   ========================================= */
.product-detail-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
    margin-bottom: 60px;
}
.product-detail-main-img {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.product-main-photo { width: 100%; height: auto; display: block; }
.product-detail-no-img {
    height: 350px;
    background: var(--bg-gray);
    border-radius: 8px;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    color: var(--text-muted);
    gap: 10px;
}
.product-detail-no-img i { font-size: 60px; opacity: 0.3; }
.product-contact-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--primary);
    color: white;
    padding: 14px 18px;
    border-radius: 6px;
    margin-top: 16px;
}
.product-contact-badge i { font-size: 26px; opacity: 0.85; }
.product-contact-badge strong { display: block; font-size: 14px; }
.product-contact-badge span { font-size: 12px; opacity: 0.8; }

/* Product Detail Right */
.product-detail-cats { margin-bottom: 12px; display: flex; gap: 6px; flex-wrap: wrap; }
.product-detail-title { font-size: 28px; color: var(--primary); line-height: 1.3; margin-bottom: 12px; }
.product-detail-divider { width: 50px; height: 3px; background: var(--accent); margin-bottom: 18px; }
.product-detail-excerpt {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}
.product-price-notice {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: #FFF3CD;
    border: 1px solid #FFE69C;
    padding: 14px 16px;
    border-radius: 6px;
    margin-bottom: 22px;
}
.product-price-notice i { font-size: 20px; color: #856404; margin-top: 2px; }
.product-price-notice strong { display: block; font-size: 14px; color: #664D03; margin-bottom: 3px; }
.product-price-notice p { font-size: 13px; color: #856404; margin: 0; }

/* Contact Buttons */
.product-contact-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.btn-call-big, .btn-zalo-big {
    display: flex; align-items: center; gap: 12px;
    padding: 14px 16px; border-radius: 6px;
    transition: var(--transition); text-align: left;
}
.btn-call-big {
    background: var(--primary); color: white;
}
.btn-call-big:hover { background: var(--primary-dark); color: white; transform: translateY(-2px); }
.btn-zalo-big { background: #0068FF; color: white; }
.btn-zalo-big:hover { background: #0055cc; color: white; transform: translateY(-2px); }
.btn-call-big i, .btn-zalo-big i { font-size: 24px; }
.btn-label { font-size: 12px; opacity: 0.85; display: block; }
.btn-call-big strong, .btn-zalo-big strong { font-size: 16px; display: block; }
.product-note {
    font-size: 13px; color: var(--text-light);
    background: var(--bg-gray); padding: 10px 14px;
    border-radius: 4px; display: flex; gap: 6px; align-items: center;
    margin-bottom: 16px;
}

/* Guarantees */
.product-guarantees {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 10px;
    margin-bottom: 18px;
}
.guarantee-item {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--text-light);
    padding: 8px 10px; background: var(--bg-gray); border-radius: 4px;
}
.guarantee-item i { color: var(--primary); font-size: 15px; }

/* Share */
.product-share { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--text-light); }
.product-share a {
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-gray); color: var(--text); font-size: 14px;
}
.product-share a:hover { background: var(--primary); color: white; }

/* Full description */
.product-full-desc { margin-bottom: 50px; }
.section-divider-title {
    font-size: 20px; color: var(--primary);
    border-bottom: 2px solid var(--border);
    padding-bottom: 12px; margin-bottom: 24px;
    display: flex; align-items: center; gap: 10px;
}
.section-divider-title span::before {
    content: ''; display: inline-block;
    width: 4px; height: 20px; background: var(--accent);
    margin-right: 10px; vertical-align: middle;
}
.product-content { font-size: 15px; color: var(--text-light); line-height: 1.8; }
.product-content img { max-width: 100%; border-radius: 6px; margin: 16px 0; }

/* Related products */
.related-products { margin-top: 20px; }

/* Responsive Shop */
@media (max-width: 900px) {
    .shop-grid { grid-template-columns: repeat(2,1fr); }
    .product-detail-wrap { grid-template-columns: 1fr; gap: 30px; }
    .product-contact-buttons { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .shop-grid { grid-template-columns: 1fr; }
    .shop-header { flex-direction: column; }
    .product-guarantees { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .topbar { display: none; }
    .logo-img { height: 44px; }
    .hero-inner { padding: 40px 16px 110px; gap: 22px; }
    .hero-content h1 { font-size: 22px; }
    .hero-content p { font-size: 14px; }
    .hero-stat strong { font-size: 20px; }
    .hero-badge { font-size: 11px; }
    .hero-btns { gap: 10px; }
    .hero-btns a { font-size: 13px; padding: 11px 20px; }
    .services-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .constr-card-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .intro-stats { grid-template-columns: 1fr 1fr; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .page-banner { height: 180px; }
    .page-banner-content h1 { font-size: 20px; }
    .ct-filter-wrap { gap: 8px; }
    .ct-filter { font-size: 12.5px; padding: 7px 14px; }
    .ct-grid { grid-template-columns: 1fr; }
    .ct-commit-grid { grid-template-columns: 1fr; }
    .shop-grid { grid-template-columns: 1fr; }
    .shop-header { flex-direction: column; }
    .news-grid { grid-template-columns: 1fr; }
    .single-post-wrap { grid-template-columns: 1fr; }
    .single-post-sidebar { position: static; }
    .section-header h2 { font-size: 20px; }
    .cta-section h2 { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; }
}