/* =============================================
   MINH TÍNH PLASTICS — PREMIUM REDESIGN
   Colors: Navy #1A3C5B + Orange #F46F22
   Style: Dark Mode / Premium Industrial B2B
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800;900&display=swap');

/* ---- CSS Variables ---- */
:root {
    --navy-900: #0A1929;
    --navy-800: #0F2842;
    --navy-700: #1A3C5B;
    --navy-600: #234E74;
    --navy-500: #2C6090;
    --navy-400: #4A80AA;
    --navy-300: #7AB0CC;

    --orange-500: #F46F22;
    --orange-400: #F78C4A;
    --orange-300: #FAAA72;
    --orange-600: #D45F15;

    /* Aliases for inline HTML styles */
    --color-primary: var(--navy-700);
    --color-primary-dark: var(--navy-900);
    --color-primary-light: var(--navy-500);
    --color-accent: var(--orange-500);
    --color-accent-dark: var(--orange-600);
    --color-bg-light: var(--off-white);
    --color-border: var(--gray-200);

    --white: #FFFFFF;
    --off-white: #F8FAFC;
    --gray-100: #EEF2F7;
    --gray-200: #D8E4EE;
    --gray-400: #8FA8BC;
    --gray-600: #4D6678;
    --gray-800: #1E3040;

    --glass-bg: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.12);
    --glass-hover: rgba(255,255,255,0.10);

    --shadow-glow: 0 0 30px rgba(244, 111, 34, 0.25);
    --shadow-navy: 0 20px 60px rgba(10, 25, 41, 0.5);
    --shadow-card: 0 4px 24px rgba(10, 25, 41, 0.08);
    --shadow-lg: 0 16px 48px rgba(10, 25, 41, 0.16);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 36px;

    --trans: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --trans-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Reset ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
}
body {
    font-family: 'Be Vietnam Pro', sans-serif;
    background-color: var(--off-white);
    color: var(--gray-800);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; transition: var(--trans); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* Prevent sticky header from covering anchor section titles */
section[id] {
    scroll-margin-top: 96px;
}

/* ---- Container ---- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.text-center { text-align: center; }

/* ---- Typography ---- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.15; }
.font-display { font-family: 'Be Vietnam Pro', sans-serif; }

/* ---- Utility ---- */
.tag-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--orange-500);
    background: rgba(244, 111, 34, 0.1);
    padding: 6px 14px;
    border-radius: 100px;
    border: 1px solid rgba(244, 111, 34, 0.25);
    margin-bottom: 18px;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--trans);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--orange-500) 0%, var(--orange-600) 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(244, 111, 34, 0.35);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(244, 111, 34, 0.5);
}
.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 100%);
    opacity: 0;
    transition: var(--trans);
}
.btn-primary:hover::after { opacity: 1; }

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff;
    backdrop-filter: blur(4px);
}
.btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.8);
    transform: translateY(-3px);
}

.btn-ghost {
    background: rgba(26, 60, 91, 0.08);
    border: 1.5px solid var(--gray-200);
    color: var(--navy-700);
    padding: 12px 28px;
}
.btn-ghost:hover {
    background: var(--navy-700);
    color: #fff;
    border-color: var(--navy-700);
    transform: translateY(-2px);
}

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    background: var(--navy-900);
    color: rgba(255,255,255,0.75);
    font-size: 0.82rem;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.trust-indicators { display: flex; gap: 24px; align-items: center; }
.trust-indicators span {
    display: flex;
    align-items: center;
    gap: 7px;
    font-weight: 500;
}
.trust-indicators i { color: var(--orange-400); font-size: 0.85rem; }
.contact-quick { display: flex; gap: 20px; align-items: center; }
.contact-quick a {
    display: flex;
    align-items: center;
    gap: 7px;
    color: rgba(255,255,255,0.75);
    font-weight: 500;
    transition: var(--trans);
}
.contact-quick a:hover { color: var(--orange-400); }
.hotline {
    color: #fff !important;
    font-weight: 700;
    background: rgba(244, 111, 34, 0.2);
    padding: 4px 12px;
    border-radius: 100px;
    border: 1px solid rgba(244, 111, 34, 0.3);
}

/* Phonering */
.phonering { animation: ring 1.8s infinite; display: inline-block; }
@keyframes ring {
    0%,50%,100% { transform: rotate(0); }
    10% { transform: rotate(15deg); }
    20% { transform: rotate(-12deg); }
    30% { transform: rotate(10deg); }
    40% { transform: rotate(-8deg); }
}

/* ============================================
   HEADER — Glass Nav
   ============================================ */
.header {
    background: rgba(10, 25, 41, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--trans);
}
.header.scrolled {
    background: rgba(10, 25, 41, 0.98);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

/* Logo */
.logo { display: flex; align-items: center; }
.logo img { height: 58px; filter: brightness(1.1); }

/* Nav Links */
.desktop-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}
.desktop-nav .nav-links > li > a {
    font-weight: 600;
    font-size: 0.92rem;
    color: rgba(255,255,255,0.8);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--trans);
}
.desktop-nav .nav-links > li > a:hover,
.desktop-nav .nav-links > li > a.active {
    color: var(--orange-400);
    background: rgba(244, 111, 34, 0.1);
}

/* Mega Menu */
.has-mega-menu { position: relative; }
.mega-menu {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 720px;
    background: rgba(10, 25, 41, 0.97);
    backdrop-filter: blur(20px);
    padding: 28px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow-navy);
    opacity: 0;
    visibility: hidden;
    transition: var(--trans);
    pointer-events: none;
    z-index: 1001;
}
.has-mega-menu:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}
.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.mega-item {
    display: block;
    text-align: center;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
    transition: var(--trans);
    background: rgba(255,255,255,0.04);
}
.mega-item:hover {
    border-color: var(--orange-500);
    background: rgba(244, 111, 34, 0.08);
    transform: translateY(-4px);
}
.mega-item .img-wrapper {
    height: 110px;
    overflow: hidden;
}
.mega-item img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.mega-item:hover img { transform: scale(1.1); }
.mega-item span {
    display: block;
    padding: 10px 8px;
    font-weight: 600;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.85);
}

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: #fff;
    cursor: pointer;
    padding: 6px;
}

/* ============================================
   HERO — Full-Screen Split
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: var(--navy-900);
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Animated mesh background */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 80% at 70% 50%, rgba(26, 60, 91, 0.8) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 20% 80%, rgba(244, 111, 34, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse 30% 30% at 90% 20%, rgba(244, 111, 34, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}
/* Diagonal stripe accent */
.hero-section::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 50%;
    background: linear-gradient(145deg, rgba(26, 60, 91, 0.6) 0%, rgba(10, 25, 41, 0.2) 100%);
    clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
    z-index: 0;
}

.hero-slide-wrapper { position: relative; z-index: 1; width: 100%; }
.slides { position: relative; min-height: 85vh; display: flex; align-items: center; }
.slide {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    transition: opacity 0.9s ease;
    z-index: 1;
}
.slide.active { opacity: 1; z-index: 2; }

.slide-split {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    align-items: center;
    gap: 60px;
    width: 100%;
    padding: 80px 0 60px;
}

/* Slide Text */
.slide-text {
    color: #fff;
    transform: translateX(-40px);
    opacity: 0;
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.25s;
}
.slide.active .slide-text { transform: translateX(0); opacity: 1; }

.slide-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--orange-400);
    background: rgba(244, 111, 34, 0.12);
    border: 1px solid rgba(244, 111, 34, 0.3);
    padding: 7px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.slide-text h1 {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: clamp(2.2rem, 4vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: #fff;
}
.slide-text h1 .accent { color: var(--orange-400); }
.slide-text p {
    font-size: 1.08rem;
    color: rgba(255,255,255,0.7);
    max-width: 520px;
    margin-bottom: 36px;
    line-height: 1.75;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* Slide Image */
.slide-image {
    position: relative;
    transform: scale(0.93) translateX(30px);
    opacity: 0;
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}
.slide.active .slide-image { transform: scale(1) translateX(0); opacity: 1; }

.slide-image-frame {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.slide-image-frame::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--orange-500) 0%, transparent 50%, rgba(26,60,91,0.5) 100%);
    z-index: 0;
    padding: 2px;
}
.slide-image img {
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 2px);
    display: block;
    position: relative;
    z-index: 1;
}

/* Floating badge on image */
.slide-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--navy-700);
    border: 2px solid var(--orange-500);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    color: #fff;
    z-index: 5;
    box-shadow: var(--shadow-navy);
}
.slide-badge .badge-number {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--orange-400);
    line-height: 1;
}
.slide-badge .badge-label { font-size: 0.78rem; color: rgba(255,255,255,0.7); margin-top: 3px; }

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    z-index: 10;
}
.slider-arrow {
    background: rgba(255,255,255,0.08);
    border: 1.5px solid rgba(255,255,255,0.2);
    color: #fff;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--trans);
    backdrop-filter: blur(4px);
}
.slider-arrow:hover {
    background: var(--orange-500);
    border-color: var(--orange-500);
    transform: scale(1.1);
}
.slider-dots { display: flex; gap: 8px; align-items: center; }
.dot {
    width: 8px;
    height: 8px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--trans);
}
.dot.active {
    background: var(--orange-500);
    width: 28px;
    border-radius: 4px;
}

/* ============================================
   STATS BAR
   ============================================ */
.stats-bar {
    background: var(--navy-700);
    padding: 0;
    position: relative;
    z-index: 5;
}
.stats-bar-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-left: 1px solid rgba(255,255,255,0.1);
}
.stat-item {
    padding: 32px 24px;
    border-right: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: var(--trans);
}
.stat-item::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 3px;
    background: var(--orange-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--trans);
}
.stat-item:hover::before { transform: scaleX(1); }
.stat-item:hover { background: rgba(255,255,255,0.06); }
.stat-icon {
    font-size: 1.5rem;
    color: var(--orange-400);
    margin-bottom: 8px;
}
.stat-number {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ============================================
   ABOUT / INTRO — Asymmetric Layout
   ============================================ */
.about-section {
    padding: 100px 0;
    background: var(--off-white);
    position: relative;
    overflow: hidden;
}
.about-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -150px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(244, 111, 34, 0.06) 0%, transparent 70%);
    pointer-events: none;
}
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
}
.about-image-wrap { position: relative; }
.about-img-main {
    border-radius: var(--radius-lg);
    width: 100%;
    height: 480px;
    object-fit: cover;
    box-shadow: var(--shadow-lg);
}
.about-img-accent {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 220px;
    height: 160px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 5px solid var(--off-white);
    box-shadow: var(--shadow-lg);
}
.about-exp-badge {
    position: absolute;
    top: 30px;
    left: -25px;
    background: var(--navy-700);
    color: #fff;
    padding: 20px;
    border-radius: var(--radius-md);
    text-align: center;
    min-width: 120px;
    box-shadow: var(--shadow-navy);
    border: 2px solid rgba(255,255,255,0.1);
}
.about-exp-badge .num {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--orange-400);
    line-height: 1;
}
.about-exp-badge span { font-size: 0.8rem; color: rgba(255,255,255,0.65); }

.about-text h2 {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 20px;
    line-height: 1.15;
}
.about-text h2 em { color: var(--orange-500); font-style: normal; }
.about-text p {
    color: var(--gray-600);
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.75;
}
.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0;
}
.feature-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    transition: var(--trans);
}
.feature-pill:hover {
    border-color: var(--orange-400);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}
.feature-pill i { color: var(--orange-500); font-size: 1.1rem; }
.feature-pill span { font-weight: 600; font-size: 0.9rem; color: var(--navy-800); }

/* ============================================
   WHY US — Dark Section with Bento Grid
   ============================================ */
.why-section {
    background: var(--navy-900);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}
.why-section::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(244, 111, 34, 0.5), transparent);
}
.why-section::after {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 60, 91, 0.5) 0%, transparent 60%);
    pointer-events: none;
}
.why-header { text-align: center; margin-bottom: 60px; }
.why-header h2 {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.why-header p { color: rgba(255,255,255,0.55); font-size: 1rem; max-width: 560px; margin: 0 auto; }

.why-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
    position: relative;
    z-index: 1;
}
.why-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 36px;
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: var(--trans);
    backdrop-filter: blur(10px);
}
.why-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(244, 111, 34, 0.4);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.why-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--orange-500), transparent);
    opacity: 0;
    transition: var(--trans);
}
.why-card:hover::before { opacity: 1; }

.why-card.featured {
    grid-column: 1 / 3;
    background: linear-gradient(135deg, var(--navy-700) 0%, var(--navy-800) 100%);
    border-color: rgba(244, 111, 34, 0.3);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.why-card.featured .why-img { border-radius: var(--radius-sm); overflow: hidden; height: 220px; }
.why-card.featured .why-img img { width: 100%; height: 100%; object-fit: cover; }

.why-card-icon {
    width: 56px;
    height: 56px;
    background: rgba(244, 111, 34, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--orange-400);
    margin-bottom: 20px;
    transition: var(--trans);
}
.why-card:hover .why-card-icon { background: var(--orange-500); color: #fff; }
.why-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.why-card p { font-size: 0.92rem; color: rgba(255,255,255,0.6); line-height: 1.7; }

/* ============================================
   PRODUCTS — Bento / Modern Grid
   ============================================ */
.products-section {
    padding: 100px 0;
    background: var(--off-white);
}
.section-heading {
    margin-bottom: 56px;
}
.section-heading h2 {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 12px;
}
.section-heading p { color: var(--gray-600); font-size: 1rem; max-width: 560px; }
.section-heading.centered { text-align: center; }
.section-heading.centered p { margin: 0 auto; }

/* Filter Tabs */
.product-filter-tabs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.filter-tab {
    padding: 9px 22px;
    border-radius: 100px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--gray-200);
    background: #fff;
    color: var(--gray-600);
    transition: var(--trans);
}
.filter-tab:hover { border-color: var(--navy-600); color: var(--navy-700); }
.filter-tab.active {
    background: var(--navy-700);
    color: #fff;
    border-color: var(--navy-700);
}

/* Product Cards Grid */
.product-grid-unified {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.product-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--trans);
    cursor: pointer;
    group: true;
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.product-img {
    height: 200px;
    overflow: hidden;
    background: var(--gray-100);
    position: relative;
}
.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover .product-img img { transform: scale(1.08); }
.product-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10,25,41,0.5) 0%, transparent 60%);
    opacity: 0;
    transition: var(--trans);
    display: flex;
    align-items: flex-end;
    padding: 16px;
}
.product-card:hover .product-img-overlay { opacity: 1; }
.product-img-overlay span {
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.product-info {
    padding: 20px;
}
.product-info h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--navy-800);
    margin-bottom: 8px;
    transition: var(--trans);
    line-height: 1.3;
}
.product-card:hover .product-info h3 { color: var(--orange-500); }
.product-info .prod-cat {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--orange-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.product-info-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--gray-100);
}
.view-detail-link {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--navy-600);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--trans);
}
.product-card:hover .view-detail-link {
    color: var(--orange-500);
    gap: 10px;
}

/* View All Btn Row */
.products-cta-row { text-align: center; margin-top: 48px; }

/* ============================================
   MACHINERY — Dark Horizontal Scroll Cards
   ============================================ */
.machinery-section {
    padding: 100px 0;
    background: var(--navy-900);
    overflow: hidden;
}
.machinery-scroll-track {
    display: flex;
    gap: 24px;
    margin-top: 48px;
    overflow-x: auto;
    padding-bottom: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--orange-500) rgba(255,255,255,0.1);
    scroll-snap-type: x mandatory;
}
.machinery-scroll-track::-webkit-scrollbar {
    height: 4px;
}
.machinery-scroll-track::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 2px; }
.machinery-scroll-track::-webkit-scrollbar-thumb { background: var(--orange-500); border-radius: 2px; }

.machine-card {
    flex: 0 0 340px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--trans);
    scroll-snap-align: start;
}
.machine-card:hover {
    border-color: rgba(244, 111, 34, 0.4);
    transform: translateY(-6px);
}
.machine-card-img {
    height: 220px;
    overflow: hidden;
}
.machine-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.85);
    transition: transform 0.6s ease, filter 0.4s ease;
}
.machine-card:hover .machine-card-img img { transform: scale(1.06); filter: brightness(1); }
.machine-card-body { padding: 24px; }
.machine-card-body h3 { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.machine-card-body p { font-size: 0.9rem; color: rgba(255,255,255,0.55); line-height: 1.65; }
.machine-card-tag {
    display: inline-block;
    margin-top: 14px;
    padding: 4px 12px;
    border-radius: 100px;
    background: rgba(244, 111, 34, 0.15);
    color: var(--orange-400);
    font-size: 0.75rem;
    font-weight: 700;
    border: 1px solid rgba(244, 111, 34, 0.25);
}

/* ============================================
   PROCESS — Horizontal Timeline
   ============================================ */
.process-section {
    padding: 100px 0;
    background: var(--off-white);
    position: relative;
}
.process-timeline {
    position: relative;
    margin-top: 60px;
}
.process-line {
    position: absolute;
    top: 44px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gray-200);
    z-index: 0;
}
.process-line-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--orange-500), var(--navy-500));
    transition: width 1.5s ease;
}
.process-steps {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}
.process-step { text-align: center; }
.process-step-icon {
    width: 88px;
    height: 88px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    border: 3px solid var(--gray-200);
    position: relative;
    transition: var(--trans);
    box-shadow: var(--shadow-card);
}
.process-step:hover .process-step-icon {
    border-color: var(--orange-500);
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}
.process-step-num {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--navy-600);
    transition: var(--trans);
}
.process-step:hover .process-step-num { color: var(--orange-500); }
.process-step-img {
    position: absolute;
    bottom: -8px;
    right: -8px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid #fff;
}
.process-step-img img { width: 100%; height: 100%; object-fit: cover; }
.process-step h3 { font-size: 0.95rem; font-weight: 700; color: var(--navy-800); margin-bottom: 6px; }
.process-step p { font-size: 0.82rem; color: var(--gray-600); line-height: 1.55; }

/* ============================================
   PARTNERS — Marquee
   ============================================ */
.partners-section {
    padding: 60px 0;
    background: var(--navy-800);
    overflow: hidden;
}
.partners-label { text-align: center; margin-bottom: 32px; }
.partners-label p { color: rgba(255,255,255,0.4); font-size: 0.85rem; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; }
.partner-track-wrap { overflow: hidden; }
.partner-track {
    display: flex;
    gap: 48px;
    animation: marquee 22s linear infinite;
    width: max-content;
}
.partner-track:hover { animation-play-state: paused; }
@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
.partner-item {
    font-size: 2.8rem;
    color: rgba(255,255,255,0.2);
    flex-shrink: 0;
    transition: var(--trans);
}
.partner-item:hover { color: var(--orange-400); transform: scale(1.15); }

/* ============================================
   FAQ
   ============================================ */
.faq-section {
    padding: 100px 0;
    background: var(--off-white);
}
.faq-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 80px;
    align-items: start;
}
.faq-left h2 {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--navy-900);
    margin-bottom: 16px;
}
.faq-left p { color: var(--gray-600); font-size: 1rem; margin-bottom: 32px; }
.faq-contact-box {
    background: var(--navy-700);
    border-radius: var(--radius-md);
    padding: 28px;
    color: #fff;
}
.faq-contact-box h4 { font-size: 1.1rem; margin-bottom: 8px; }
.faq-contact-box p { font-size: 0.9rem; opacity: 0.7; margin-bottom: 18px; }

.faq-accordion { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
    transition: var(--trans);
}
.faq-item:hover { border-color: var(--navy-400); box-shadow: var(--shadow-card); }
.faq-item.active {
    border-color: var(--orange-400);
    box-shadow: 0 0 0 3px rgba(244, 111, 34, 0.1);
}
.faq-question {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--trans);
}
.faq-question h4 { font-size: 1rem; font-weight: 700; color: var(--navy-800); margin: 0; flex: 1; }
.faq-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-600);
    font-size: 0.85rem;
    transition: var(--trans);
    margin-left: 16px;
}
.faq-item.active .faq-icon {
    background: var(--orange-500);
    color: #fff;
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
}
.faq-item.active .faq-answer { padding: 0 24px 20px; max-height: 200px; }

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-section {
    padding: 100px 0;
    background: var(--navy-900);
    position: relative;
    overflow: hidden;
}
.contact-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.025'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.contact-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    position: relative;
    z-index: 1;
}
.contact-info-panel {
    background: linear-gradient(145deg, var(--navy-700) 0%, var(--navy-800) 100%);
    padding: 60px 50px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.contact-info-panel::before {
    content: '';
    position: absolute;
    bottom: -50px; right: -50px;
    width: 250px; height: 250px;
    border-radius: 50%;
    background: rgba(244, 111, 34, 0.1);
}
.contact-info-panel h2 {
    font-family: 'Be Vietnam Pro', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 12px;
}
.contact-info-panel > p { opacity: 0.65; font-size: 1rem; margin-bottom: 40px; }
.contact-detail-list { display: flex; flex-direction: column; gap: 24px; }
.contact-detail-item { display: flex; align-items: center; gap: 18px; }
.contact-detail-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--orange-400);
}
.contact-detail-item h4 { font-size: 0.85rem; color: rgba(255,255,255,0.5); font-weight: 600; margin-bottom: 3px; }
.contact-detail-item p { font-size: 1rem; font-weight: 600; color: #fff; }
.contact-map-panel { min-height: 460px; }
.contact-map-panel iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-900);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 80px 0 30px;
    color: rgba(255,255,255,0.6);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}
.footer-logo img { height: 60px; margin-bottom: 20px; }
.footer-brand-desc { font-size: 0.92rem; line-height: 1.75; max-width: 320px; }
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 32px; height: 2px;
    background: var(--orange-500);
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { font-size: 0.92rem; transition: var(--trans); }
.footer-col ul li a:hover { color: var(--orange-400); padding-left: 8px; }
.footer-contact-list { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item { display: flex; align-items: center; gap: 12px; font-size: 0.9rem; }
.footer-contact-item i { color: var(--orange-400); width: 16px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
}
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a:hover { color: var(--orange-400); }

/* ============================================
   FLOATING BUTTONS
   ============================================ */
.floating-contact {
    position: fixed;
    bottom: 32px;
    right: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
}
.float-btn {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.float-btn:hover { transform: scale(1.12) translateY(-3px); }
.float-btn .icon-wrap {
    width: 100%; height: 100%;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 22px;
}
.call-btn { background: linear-gradient(135deg, #28a745, #1e7e34); }
.zalo-btn { background: linear-gradient(135deg, #0068ff, #0050cc); }
.fb-btn { background: linear-gradient(135deg, #1877f2, #0d60c7); }
.float-btn .zalo-text { font-weight: 900; font-size: 16px; letter-spacing: 0.5px; }
.tooltip {
    position: absolute;
    right: 68px;
    background: var(--navy-800);
    color: #fff;
    padding: 7px 14px;
    border-radius: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    white-space: nowrap;
    transition: all 0.3s ease;
    pointer-events: none;
}
.tooltip::after {
    content: '';
    position: absolute;
    right: -5px; top: 50%;
    transform: translateY(-50%);
    border-width: 5px 0 5px 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--navy-800);
}
.float-btn:hover .tooltip { opacity: 1; visibility: visible; right: 64px; }

/* ============================================
   MOBILE MENU DRAWER
   ============================================ */
.mobile-menu {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 90vw);
    height: 100vh;
    background: var(--navy-900);
    z-index: 9998;
    padding: 80px 32px 40px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 1px solid rgba(255,255,255,0.08);
    overflow-y: auto;
}
.mobile-menu.open { right: 0; }
.mobile-menu-close {
    position: absolute;
    top: 24px; right: 24px;
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    width: 40px; height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex; align-items: center; justify-content: center;
    transition: var(--trans);
}
.mobile-menu-close:hover { background: var(--orange-500); }
.mobile-nav-links { display: flex; flex-direction: column; gap: 8px; }
.mobile-nav-links a {
    display: block;
    color: rgba(255,255,255,0.8);
    font-weight: 600;
    font-size: 1.05rem;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--trans);
}
.mobile-nav-links a:hover { color: var(--orange-400); padding-left: 8px; }
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9997;
    opacity: 0;
    visibility: hidden;
    transition: var(--trans);
    backdrop-filter: blur(4px);
}
.overlay.show { opacity: 1; visibility: visible; }

/* ============================================
   AOS OVERRIDES
   ============================================ */
[data-aos] { transition-duration: 600ms !important; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1100px) {
    .slide-split { grid-template-columns: 1fr; padding: 80px 0 100px; }
    .slide-image { display: none; }
    .why-bento { grid-template-columns: 1fr 1fr; }
    .why-card.featured { grid-column: 1 / -1; }
    .product-grid-unified { grid-template-columns: repeat(3, 1fr); }
    .process-steps { grid-template-columns: repeat(3, 1fr); gap: 40px; }
    .process-line { display: none; }
    .faq-layout { grid-template-columns: 1fr; gap: 40px; }
    .contact-card { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .desktop-nav, .header-actions .btn-ghost { display: none; }
    .menu-toggle { display: flex; }
    .hero-section { min-height: auto; }
    .slides { min-height: auto; }
    .slide-split { padding: 60px 0 80px; }
    .slide-text h1 { font-size: 2rem; }
    .stats-bar-inner { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .about-img-accent, .about-exp-badge { display: none; }
    .about-img-main { height: 300px; }
    .why-bento { grid-template-columns: 1fr; }
    .why-card.featured { grid-template-columns: 1fr; }
    .product-grid-unified { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .partners-section { padding: 40px 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
    .floating-contact { bottom: 20px; right: 20px; }
    .float-btn { width: 48px; height: 48px; }
    .float-btn .icon-wrap { font-size: 18px; }
}

@media (max-width: 480px) {
    .product-grid-unified { grid-template-columns: 1fr; }
    .stats-bar-inner { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: 1fr; }
    .about-features { grid-template-columns: 1fr; }
}