/*
Theme Name: FNB Trading Company
Description: Single page theme for FNB Trading Company - F&B distributor specializing in Coca-Cola and Cholimex products
Author: FNB Team
Version: 1.0
*/

@import url('https://fonts.googleapis.com/css2?family=Comfortaa:wght@300;400;500;600;700&family=Nunito+Sans:wght@300;400;500;600;700;800&family=Quicksand:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Nunito Sans', 'Quicksand', sans-serif;
    line-height: 1.7;
    color: #333;
    overflow-x: hidden;
    font-weight: 400;
}

/* Header Styles */
.main-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to right, rgba(62, 39, 35, 0.9) 0%, rgba(101, 67, 33, 0.8) 100%);
    backdrop-filter: blur(15px);
    z-index: 1000;
    padding: 0.1rem 0;
    transition: all 0.3s ease;
    /* box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3); */
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Comfortaa', cursive;
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    letter-spacing: 0.5px;
}

.logo img,
.custom-logo {
    max-width: 100px;
    margin-top: 10px;
    width: auto;
    height: auto;
    object-fit: contain;
    margin-right: 10px;
}

.site-title {
    font-family: 'Comfortaa', cursive;
    font-size: 1.5rem;
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.5px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    font-family: 'Quicksand', sans-serif;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    position: relative;
    letter-spacing: 0.3px;
}

.main-nav a:hover,
.main-nav a.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

/* Section 1 - Hero Section */
.hero-section {
    margin-top: 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background-image: 
        linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)),
        url('./assets/images/back-ground.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        rgba(0, 0, 0, 0.7), 
        rgba(0, 0, 0, 0.5), 
        rgba(0, 0, 0, 0.7)
    );
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
        radial-gradient(circle at 60% 20%, rgba(255, 255, 255, 0.05) 3px, transparent 3px);
    background-size: 100px 100px, 150px 150px, 200px 200px;
    animation: sparkle 15s ease-in-out infinite;
    z-index: 2;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 300px 1fr 300px;
    gap: 3rem;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 3;
}

/* 3D Cards */
.card-3d {
    perspective: 1000px;
    width: 280px;
    height: 350px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    position: relative;
    transform-style: preserve-3d;
}

.card-3d::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    backdrop-filter: blur(15px);
    z-index: -1;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.card-3d.left {
    animation-delay: 0.2s;
}

.card-3d.right {
    animation-delay: 0.6s;
}

.card-3d-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s ease !important;
    transform-style: preserve-3d;
    cursor: pointer;
    transform-origin: center center;
    backface-visibility: hidden;
    margin: 0;
    padding: 0;
}

.card-3d {
    transform-style: preserve-3d;
    position: relative;
}

.card-3d.left {
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

.card-3d.right {
    animation-delay: 0.6s;
    animation-fill-mode: both;
}

.card-3d-front,
.card-3d-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    margin: 0;
}

.card-3d-front {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.25) 0%, 
        rgba(255, 255, 255, 0.15) 50%, 
        rgba(255, 255, 255, 0.25) 100%);
    backdrop-filter: blur(25px);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    color: white;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.3);
}

.card-3d-front::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(45deg, 
        #ff6b35 0%, 
        #ff8c42 25%, 
        #ffa726 50%, 
        #ff8c42 75%, 
        #ff6b35 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    animation: glowing-border 3s ease-in-out infinite;
    pointer-events: none;
}

.card-3d-back {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.3) 0%, 
        rgba(255, 255, 255, 0.2) 50%, 
        rgba(255, 255, 255, 0.3) 100%);
    backdrop-filter: blur(25px);
    border: 2px solid transparent;
    background-clip: padding-box;
    color: white;
    transform: rotateY(180deg);
    box-shadow: 0 15px 45px rgba(255, 107, 53, 0.4);
    position: absolute;
    top: 0;
    left: 0;
}

.card-3d-back::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(45deg, 
        #ff6b35 0%, 
        #ff8c42 25%, 
        #ffa726 50%, 
        #ff8c42 75%, 
        #ff6b35 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    animation: glowing-border 3s ease-in-out infinite reverse;
    pointer-events: none;
}

.brand-logo {
    width: 120px;
    height: 120px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    animation: float 3s ease-in-out infinite;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
    backdrop-filter: blur(15px);
}

.brand-logo img {
    width: 90%;
    height: 90%;
    object-fit: cover;
    border-radius: 10px;
    border: none;
}

.fallback-icon {
    font-size: 2.5rem;
}

.card-3d-front h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: #fff;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7);
}

.card-3d-front p {
    font-size: 1rem;
    opacity: 0.9;
    color: #f0f0f0;
    font-weight: 500;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.card-3d-back h4 {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #ffeb3b;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.card-3d-back ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
}

.card-3d-back li {
    padding: 0.3rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.card-3d-back li:last-child {
    border-bottom: none;
}

.service-area {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.7rem 1.2rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    margin-top: auto;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Main Content */
.hero-content {
    text-align: center;
    color: white;
    transform: translateY(30px);
    opacity: 0;
    animation: fadeInUp 1s ease 0.4s forwards;
    position: relative;
    z-index: 4;
}

.main-content-area {
    background: linear-gradient(135deg, 
        rgba(128, 128, 128, 0.5) 0%, 
        rgba(128, 128, 128, 0.1) 50%, 
        rgba(128, 128, 128, 0.5) 100%);
    backdrop-filter: blur(25px);
    border-radius: 25px;
    padding: 3rem 2.5rem;
    border: 2px solid transparent;
    background-clip: padding-box;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
}

.main-content-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 25px;
    padding: 2px;
    background: linear-gradient(45deg, 
        #ff6b35 0%, 
        #ff8c42 25%, 
        #ffa726 50%, 
        #ff8c42 75%, 
        #ff6b35 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    animation: glowing-border 3s ease-in-out infinite;
    pointer-events: none;
}

.hero-title {
    font-family: 'Comfortaa', cursive;
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #fff;
    text-shadow: 0 3px 6px rgba(0, 0, 0, 0.7);
    letter-spacing: 0.5px;
}

.company-subtitle {
    font-family: 'Quicksand', sans-serif;
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 500;
    color: #ffeb3b;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.hero-description {
    font-family: 'Nunito Sans', sans-serif;
    margin-bottom: 2.5rem;
    text-align: center;
    font-weight: 400;
}

.section-heading {
    font-family: 'Comfortaa', cursive;
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #fff;
    letter-spacing: 0.3px;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.partnership-info {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.partnership-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: #ffeb3b;
}

.partners {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.partner-brand {
    font-weight: bold;
    font-size: 1.1rem;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.2);
}

.partner-brand.coca {
    color: #ff4444;
    border: 1px solid rgba(255, 68, 68, 0.5);
}

.partner-brand.cholimex {
    color: #ea760a;
    border: 1px solid rgba(245, 81, 10, 0.5)
}

.separator {
    color: #ffeb3b;
    font-weight: bold;
}

.service-areas {
    font-size: 0.9rem;
    opacity: 0.8;
    font-style: italic;
}

.value-proposition {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.value-icon {
    color: #4CAF50;
    font-weight: bold;
    font-size: 1.1rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-explore {
    background: linear-gradient(135deg, #ff4444 0%, #ff6b35 100%);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 8px 25px rgba(255, 68, 68, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-explore::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-explore:hover::before {
    left: 100%;
}

.btn-explore:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #ff4444 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 68, 68, 0.5);
}

.btn-explore svg {
    transition: transform 0.3s ease;
}

.btn-explore:hover svg {
    transform: translateX(5px);
}

.btn-contact {
    background: transparent;
    color: white;
    padding: 1rem 2rem;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-contact:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #ffeb3b;
    color: #ffeb3b;
    transform: translateY(-2px);
}

/* Partners Section */
.partners-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(62, 39, 35, 0.9) 0%, rgba(101, 67, 33, 0.8) 100%);
    position: relative;
    overflow: hidden;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 107, 53, 0.05) 2px, transparent 2px),
        radial-gradient(circle at 80% 70%, rgba(101, 67, 33, 0.08) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px;
    animation: sparkle 20s ease-in-out infinite;
    z-index: 1;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
    position: relative;
    z-index: 2;
}

.section-title {
    font-family: 'Comfortaa', cursive;
    font-size: 2.5rem;
    font-weight: 600;
    color: rgba(62, 39, 35, 1);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.partners-section .section-title,
.customers-section .section-title {
    color: #ffffff;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    border-radius: 2px;
}

.section-subtitle {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #D2691E;
    max-width: 700px;
    margin: 0 auto;
}

.partners-section .section-subtitle,
.customers-section .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.partner-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    min-height: 500px;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(45deg, transparent, rgba(255, 107, 53, 0.2), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: exclude;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.partner-card:hover::before {
    opacity: 1;
}

.partner-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.partner-header {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 3rem 2rem;
    border-bottom: 2px solid #f1f3f4;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: 15px;
    overflow: hidden;
    min-height: 180px;
}

.partner-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: rgba(0, 0, 0, 0.2); */
    z-index: 1;
}

.coca-card .partner-header {
    background-image: url('./assets/images/coca-cola-logo.png');
}

.cholimex-card .partner-header {
    background-image: url('./assets/images/cholimex-logo.jpg');
}

.partner-logo {
    display: none;
}

.partner-info {
    position: relative;
    z-index: 2;
    text-align: center;
}

.partner-info h3 {
    font-family: 'Comfortaa', cursive;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8), 0 0 10px rgba(255, 255, 255, 0.6);
}

.coca-card .partner-info h3 {
    color: #e74c3c;
}

.cholimex-card .partner-info h3 {
    color: #e67e22;
}

.partner-type {
    font-family: 'Quicksand', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    text-shadow: 1px 1px 3px rgba(255, 255, 255, 0.7), 0 0 8px rgba(255, 255, 255, 0.5);
}

.coca-card .partner-type {
    color: #c0392b;
}

.cholimex-card .partner-type {
    color: #d35400;
}

/* Flip Card Functionality */
.card-flip-container {
    perspective: 1000px;
    width: 100%;
    height: 100%;
    min-height: 400px;
    cursor: pointer;
}

.card-flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s ease;
    transform-style: preserve-3d;
}

.coca-card:hover .card-flip-inner,
.cholimex-card:hover .card-flip-inner {
    transform: rotateY(180deg);
}

.card-flip-front,
.card-flip-back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 20px;
}

.card-flip-back {
    transform: rotateY(180deg);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%);
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Products Gallery */
.products-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    max-width: 450px;
}

.product-item {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    overflow: hidden;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-item:hover {
    transform: scale(1.05);
}

.product-item img {
    width: 100%;
    height: 120px;
    object-fit: contain;
    border-radius: 5px;
}

.partner-content h4 {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1.2rem;
}

.product-list {
    list-style: none;
    padding: 0;
}

.product-list li {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 1rem;
    line-height: 1.8;
    color: #5a6c7d;
    padding: 0.4rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.product-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0.4rem;
    font-weight: bold;
    font-size: 0.9rem;
}

.coca-card .product-list li::before {
    color: #e74c3c;
}

.cholimex-card .product-list li::before {
    color: #e67e22;
}

/* Advantages Section */
.advantages-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.advantages-slider-container {
    max-width: 1140px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    padding: 15px 1.5rem;
    min-height: 550px;
}

.advantages-grid {
    display: flex;
    gap: 30px;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    padding: 0;
    width: max-content;
}

.advantage-card {
    width: 340px;
    flex: 0 0 340px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.08) 100%);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2.5rem;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 420px;
}

/* Desktop hover effects */
@media (min-width: 769px) {
    .advantage-card:hover {
        transform: translateY(-15px) scale(1.02);
        background: linear-gradient(135deg, rgba(139, 69, 19, 0.18) 0%, rgba(160, 82, 45, 0.12) 100%);
        box-shadow: 0 20px 50px rgba(139, 69, 19, 0.25);
        border: 1px solid rgba(139, 69, 19, 0.4);
    }
    
    .advantage-card:hover .advantage-icon {
        transform: translateY(-5px) scale(1.1);
        box-shadow: 0 12px 35px rgba(139, 69, 19, 0.4);
    }
    
    .advantage-card:hover .advantage-icon::before {
        opacity: 1;
    }
    
    .advantage-card:hover h3 {
        color: #8B4513;
        text-shadow: 0 3px 15px rgba(139, 69, 19, 0.4);
        transform: translateY(-2px);
    }
    
    .advantage-card::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
        transition: left 0.8s ease;
        z-index: 1;
    }
    
    .advantage-card:hover::after {
        left: 100%;
    }
}

/* Slider Navigation */
.advantages-nav {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

.advantages-nav button {
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.advantages-nav button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
}

.advantages-nav button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Slider Indicators */
.advantages-indicators {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.advantages-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 107, 53, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.advantages-indicator.active {
    background: #ff6b35;
    transform: scale(1.2);
}

.advantage-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #8B4513 0%, #A0522D 50%, #CD853F 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.3);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
}

.advantage-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #CD853F, #8B4513, #A0522D);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-card h3 {
    font-family: 'Comfortaa', cursive;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
    font-weight: 600;
    transition: all 0.4s ease;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
    transition: color 0.3s ease;
}

    .advantage-card:hover p {
    color: #444;
}

/* Card Focus - Card giữa nổi bật */
.advantage-card.focus {
    transform: translateY(-8px) scale(1.02);
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.08) 0%, rgba(160, 82, 45, 0.06) 100%);
    box-shadow: 0 15px 45px rgba(139, 69, 19, 0.15);
    border: 1px solid rgba(139, 69, 19, 0.25);
    z-index: 5;
}

.advantage-card.focus .advantage-icon {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(139, 69, 19, 0.35);
}

.advantage-card.focus h3 {
    color: #8B4513;
    text-shadow: 0 2px 12px rgba(139, 69, 19, 0.25);
}

/* Mobile responsive - Vertical layout */
@media (max-width: 768px) {
    .advantages-section {
        padding: 3rem 0;
    }
    
    .advantages-slider-container {
        padding: 0;
        overflow: visible;
        min-height: auto;
    }
    
    .advantages-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
        transform: none !important;
        width: 100%;
    }
    
    .advantage-card {
        width: 100%;
        flex: none;
        max-width: 100%;
        margin: 0;
        padding: 1.5rem;
        min-height: auto;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
        font-size: 1.8rem;
        margin-bottom: 1rem;
    }
    
    .advantage-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    .advantage-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .advantages-nav {
        display: none;
    }
    
    .advantages-indicators {
        display: none;
    }
    
    /* Remove focus effects on mobile */
    .advantage-card.focus {
        transform: none;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.08) 100%);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.15);
    }
}/* Customers Section */
.customers-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, rgba(62, 39, 35, 0.95) 0%, rgba(101, 67, 33, 0.9) 100%);
    color: white;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.customer-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.customer-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.customer-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.customer-item h4 {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
}

/* Commitment Section */
.commitment-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.commitment-item {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    position: relative;
    transition: all 0.4s ease;
}

.commitment-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.commitment-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.commitment-item h4 {
    font-family: 'Comfortaa', cursive;
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 1rem 0;
}

.commitment-item p {
    font-family: 'Nunito Sans', sans-serif;
    color: #5a6c7d;
    line-height: 1.6;
}

.commitment-footer {
    text-align: center;
    background: rgba(255, 107, 53, 0.1);
    padding: 2.5rem;
    border-radius: 20px;
    border: 2px solid #ff6b35;
}

.commitment-footer p {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 1.1rem;
    line-height: 1.8;
    color: #2c3e50;
    margin: 0;
}

.commitment-footer strong {
    color: #ff6b35;
    font-weight: 600;
}

/* Footer Styles */
.main-footer {
    background: linear-gradient(135deg, rgba(62, 39, 35, 0.95) 0%, rgba(101, 67, 33, 0.9) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 2px, transparent 2px),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 100px 100px, 150px 150px;
    animation: sparkle 20s ease-in-out infinite;
    z-index: 1;
}

.footer-content {
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 2;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.footer-section h4 {
    font-family: 'Comfortaa', cursive;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #ffffff;
    position: relative;
}

.footer-section h4::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    border-radius: 1px;
}

/* Company Info */
.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo img,
.footer-logo .custom-logo {
    max-width: 120px;
    height: auto;
    filter: brightness(0) invert(1);
}

.footer-site-title {
    font-family: 'Comfortaa', cursive;
    font-size: 1.8rem;
    font-weight: 600;
    color: #ffffff;
}

.company-description {
    font-family: 'Nunito Sans', sans-serif;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    font-size: 0.95rem;
}

.company-name h4 {
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #ffeb3b;
}

/* Quick Links */
.footer-menu {
    list-style: none;
    padding: 0;
}

.footer-menu li {
    margin-bottom: 0.8rem;
}

.footer-menu a {
    font-family: 'Nunito Sans', sans-serif;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.footer-menu a:hover {
    color: #ff6b35;
    padding-left: 5px;
}

/* Contact Info */
.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.2rem;
    gap: 1rem;
}

.contact-icon {
    color: #ff6b35;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-text p {
    font-family: 'Nunito Sans', sans-serif;
    margin: 0;
    line-height: 1.5;
    font-size: 0.95rem;
}

.contact-text a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-text a:hover {
    color: #ff6b35;
}

/* Floating Action Buttons */
.floating-buttons {
    position: fixed;
    bottom: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    right: 2rem;
}

.floating-contact {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    z-index: 1001;
    animation: pulse-contact 2s infinite;
}

.floating-contact:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.contact-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.floating-contact:hover .contact-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-5px);
}

.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.6);
}

@keyframes pulse-contact {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Footer Bottom */
.footer-bottom {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 2;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.9rem;
}

.footer-bottom p {
    margin: 0;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-social span {
    font-size: 0.85rem;
    opacity: 0.7;
}

.social-links {
    display: flex;
    gap: 0.8rem;
}

.social-links a {
    width: 35px;
    height: 35px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-links a:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateZ(0);
    }
    to {
        opacity: 1;
        transform: scale(1) translateZ(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: scale(0.8) translateZ(0);
    }
    to {
        opacity: 1;
        transform: scale(1) translateZ(0);
    }
}

@keyframes fadeInUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Background Animation */
.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="3" fill="rgba(255,255,255,0.1)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(120deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(240deg);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes cardGlow {
    0%, 100% {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 12px 40px rgba(229, 62, 62, 0.4);
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(1.1);
    }
}

@keyframes glowing-border {
    0% {
        border-image-source: linear-gradient(45deg, 
            #ff6b35 0%, 
            #ff8c42 25%, 
            #ffa726 50%, 
            #ff8c42 75%, 
            #ff6b35 100%);
        opacity: 0.8;
    }
    50% {
        border-image-source: linear-gradient(45deg, 
            #ffa726 0%, 
            #ff6b35 25%, 
            #ff8c42 50%, 
            #ffa726 75%, 
            #ff6b35 100%);
        opacity: 1;
        box-shadow: 0 0 20px rgba(255, 107, 53, 0.6);
    }
    100% {
        border-image-source: linear-gradient(45deg, 
            #ff6b35 0%, 
            #ff8c42 25%, 
            #ffa726 50%, 
            #ff8c42 75%, 
            #ff6b35 100%);
        opacity: 0.8;
    }
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

    .mobile-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(62, 39, 35, 0.95);
        backdrop-filter: blur(15px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }.mobile-nav.active {
    display: block;
}

.mobile-nav ul {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
}

/* Widget Styling */
.widget {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.widget.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.card-widget .widget-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.card-widget .widget-content {
    font-size: 0.9rem;
    opacity: 0.9;
}

.main-widget .widget-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.main-widget .widget-content {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Visibility Classes */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        width: 30px;
        height: 30px;
        cursor: pointer;
        position: relative;
        z-index: 10001;
        background: none;
        border: none;
        padding: 0;
    }
    
    .mobile-menu-btn span {
        width: 100%;
        height: 3px;
        background: white;
        margin: 3px 0;
        transition: all 0.3s ease;
        border-radius: 2px;
        display: block;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(9px, 9px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* Enhanced Mobile Navigation Menu */
    .nav-toggle {
        display: flex;
        flex-direction: column;
        width: 30px;
        height: 30px;
        cursor: pointer;
        position: relative;
        z-index: 10001;
    }
    
    .nav-toggle span {
        width: 100%;
        height: 3px;
        background: white;
        margin: 3px 0;
        transition: all 0.3s ease;
        border-radius: 2px;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(9px, 9px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        background: linear-gradient(180deg, rgba(62, 39, 35, 0.98) 0%, rgba(101, 67, 33, 0.95) 100%);
        backdrop-filter: blur(25px);
        padding: 5rem 2rem 2rem;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 9999;
        overflow-y: auto;
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.3);
        display: block !important;
    }
    
    .main-nav.active {
        left: 0;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0;
        animation: slideInMenu 0.6s ease-out;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    @keyframes slideInMenu {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-menu li {
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        opacity: 0;
        animation: fadeInMenuItem 0.5s ease-out forwards;
    }
    
    .nav-menu li:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu li:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu li:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu li:nth-child(4) { animation-delay: 0.4s; }
    .nav-menu li:nth-child(5) { animation-delay: 0.5s; }
    
    @keyframes fadeInMenuItem {
        to {
            opacity: 1;
        }
    }
    
    .nav-menu li:last-child {
        border-bottom: none;
    }
    
    .nav-menu a {
        display: flex !important;
        align-items: center;
        padding: 1.2rem 0;
        font-size: 1.1rem;
        font-weight: 500;
        color: white !important;
        text-decoration: none !important;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        font-family: 'Comfortaa', cursive;
    }
    
    .nav-menu a::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(205, 133, 63, 0.2), transparent);
        transition: left 0.5s ease;
    }
    
    .nav-menu a:hover::before {
        left: 100%;
    }
    
    .nav-menu a:hover {
        color: #CD853F !important;
        transform: translateX(15px);
        text-shadow: 0 2px 10px rgba(205, 133, 63, 0.3);
    }
    
    /* Mobile menu overlay */
    .nav-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 9998;
    }
    
    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    /* Mobile Nav - Class chính xác từ HTML */
    .mobile-nav {
        position: fixed !important;
        top: 0 !important;
        left: -100% !important;
        width: 300px !important;
        height: 100vh !important;
        background: linear-gradient(180deg, rgba(62, 39, 35, 0.98) 0%, rgba(101, 67, 33, 0.95) 100%) !important;
        backdrop-filter: blur(25px);
        padding: 5rem 2rem 2rem !important;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
        z-index: 10000 !important;
        overflow-y: auto;
        box-shadow: 5px 0 25px rgba(0, 0, 0, 0.3);
        display: block !important;
    }
    
    .mobile-nav.active {
        left: 0 !important;
        transform: translateX(0) !important;
    }
    
    .mobile-nav ul {
        list-style: none;
        margin: 0;
        padding: 0;
        animation: slideInMenu 0.6s ease-out;
    }
    
    .mobile-nav ul li {
        margin: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        opacity: 0;
        animation: fadeInMenuItem 0.5s ease-out forwards;
        pointer-events: auto;
        position: relative;
        z-index: 10001;
    }
    
    .mobile-nav ul li:nth-child(1) { animation-delay: 0.1s; }
    .mobile-nav ul li:nth-child(2) { animation-delay: 0.2s; }
    .mobile-nav ul li:nth-child(3) { animation-delay: 0.3s; }
    .mobile-nav ul li:nth-child(4) { animation-delay: 0.4s; }
    .mobile-nav ul li:nth-child(5) { animation-delay: 0.5s; }
    .mobile-nav ul li:nth-child(6) { animation-delay: 0.6s; }
    
    .mobile-nav ul li:last-child {
        border-bottom: none;
    }
    
    .nav-link {
        display: flex !important;
        align-items: center;
        padding: 1.2rem 0;
        font-size: 1.1rem;
        font-weight: 500;
        color: white !important;
        text-decoration: none !important;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
        font-family: 'Comfortaa', cursive;
        pointer-events: auto !important;
        cursor: pointer;
        z-index: 10001;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(205, 133, 63, 0.2), transparent);
        transition: left 0.5s ease;
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover,
    .nav-link.active {
        color: #CD853F !important;
        transform: translateX(15px);
        text-shadow: 0 2px 10px rgba(205, 133, 63, 0.3);
    }
    
    .nav-link.active {
        background: rgba(205, 133, 63, 0.1);
        border-radius: 8px;
        padding-left: 1rem;
    }
    
    .hero-container {
        display: flex;
        flex-direction: column;
        gap: 2rem;
        text-align: center;
        padding: 1rem;
    }
    
    .hero-content {
        order: 1;
    }
    
    .mobile-cards-container {
        order: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2rem;
        margin-top: 2rem;
        perspective: 1000px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .main-content-area {
        margin-top: 60px;
        padding: 2rem 1.5rem;
    }
    
    /* Mobile card styling */
    .mobile-card {
        width: 280px;
        height: 350px;
        margin: 0;
    }
    
    /* Mobile card tilting */
    .mobile-card.left {
        transform: rotateZ(-45deg) translateZ(0);
    }
    
    .mobile-card.right {
        transform: rotateZ(45deg) translateZ(0);
    }
    
    /* Mobile card interaction - enable flip with tilt maintained */
    .mobile-card.left:active .card-3d-inner,
    .mobile-card.left:hover .card-3d-inner {
        transform: rotateY(180deg);
    }
    
    .mobile-card.right:active .card-3d-inner,
    .mobile-card.right:hover .card-3d-inner {
        transform: rotateY(180deg);
    }
    
    /* Mobile card touch interaction for better UX */
    .mobile-card {
        -webkit-tap-highlight-color: transparent;
        cursor: pointer;
        margin-top: 20px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        margin-bottom: 3rem;
    }
    
    .btn-explore,
    .btn-contact {
        font-size: 14px;
        width: 80%;
        max-width: 300px;
        text-align: center;
        justify-content: center;
    }
    
    .header-container {
        padding: 0 1rem;
    }
    
    .hero-section {
        padding-top: 0;
        padding-bottom: 100px;
    }
    
    /* Partners Section Mobile */
    .partners-section {
        padding: 3rem 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
        padding: 0 1rem;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .partner-card {
        margin: 0 1rem;
        padding: 2rem;
    }
    
    .partner-header {
        min-height: 150px;
        padding: 2rem 1rem;
    }
    
    /* Mobile Flip Card */
    .coca-card:active .card-flip-inner,
    .cholimex-card:active .card-flip-inner {
        transform: rotateY(180deg);
    }
    
    .products-gallery {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 300px;
    }
    
    .product-item {
        padding: 0.8rem;
    }
    
    .product-item img {
        height: 100px;
    }
    
    /* New Sections Mobile */
    .advantages-grid {
        padding: 0 1rem;
        gap: 1.5rem;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
    }
    
    .advantages-slider-container {
        padding: 0;
    }
    
    .advantage-card {
        padding: 2rem;
        flex: 0 0 280px;
        min-width: 280px;
        scroll-snap-align: center;
    }
    
    .advantages-nav {
        display: none;
    }
    
    .advantages-indicators {
        display: flex;
    }
    
    .customers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .customer-item {
        padding: 1.5rem;
    }
    
    .commitment-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .commitment-item {
        padding: 2rem;
    }
    
    .commitment-footer {
        padding: 2rem;
    }
    
    /* Footer Mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-content {
        padding: 3rem 0 1.5rem;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    /* Floating Buttons Mobile */
    .floating-buttons {
        bottom: 1rem;
        right: 1rem;
    }
    
    .floating-contact {
        bottom: 1rem;
        left: 1rem;
        width: 50px;
        height: 50px;
    }
    
    .contact-tooltip {
        display: none;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 5rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.7rem;
    }
    
    .company-subtitle {
        font-size: 0.9rem;
    }
    
    .mobile-card {
        width: 250px;
        height: 320px;
    }
    
    .mobile-cards-container {
        gap: 1.5rem;
    }
    
    .card-3d-front,
    .card-3d-back {
        padding: 1rem;
    }
    
    .card-3d-front h3 {
        font-size: 1.1rem;
    }
    
    .card-3d-front p {
        font-size: 0.8rem;
    }
    
    .brand-logo {
        width: 50px;
        height: 50px;
        margin-bottom: 0.5rem;
    }
    
    .brand-logo img {
        max-width: 35px;
        max-height: 35px;
    }
    
    .card-3d-back h4 {
        font-size: 1rem;
    }
    
    .card-3d-back ul li {
        font-size: 0.75rem;
    }
    
    .service-area {
        font-size: 0.7rem;
        padding: 0.5rem 0.8rem;
    }
}

/* Widget Areas */
.widget-area {
    margin: 2rem 0;
}

.widget {
    margin-bottom: 1.5rem;
}

.widget-title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #333;
}

.widget-content {
    color: #666;
}

/* Advantages Slider Controls */
.advantages-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    position: relative;
    z-index: 10;
}

#advantagesPrev, #advantagesNext {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid #8B4513;
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.1) 0%, rgba(160, 82, 45, 0.2) 100%);
    backdrop-filter: blur(10px);
    color: #8B4513;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 11;
    pointer-events: auto;
}

@media (max-width: 768px) {
    .advantages-nav {
        display: none;
    }
    
    .advantages-indicators {
        margin-top: 20px;
    }
    
    .advantages-indicator {
        width: 8px;
        height: 8px;
    }
}

#advantagesPrev:hover, #advantagesNext:hover {
    background: linear-gradient(135deg, rgba(139, 69, 19, 0.3) 0%, rgba(160, 82, 45, 0.4) 100%);
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(139, 69, 19, 0.3);
}

#advantagesPrev:disabled, #advantagesNext:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

#advantagesPrev:active, #advantagesNext:active {
    transform: scale(0.95);
}

.advantages-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.advantages-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(139, 69, 19, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.advantages-indicator.active {
    background: #8B4513;
    transform: scale(1.2);
}

.advantages-indicator:hover {
    background: rgba(139, 69, 19, 0.7);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Prevent body scroll when mobile menu is open */
body.nav-open {
    overflow: hidden;
}

/* Overlay removed - không cần thiết */

/* Section Padding */
section {
    padding: 4rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========== DARK MODE STYLES ========== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --text-primary: #333333;
    --text-secondary: #666666;
    --border-color: #e0e0e0;
    --header-bg: linear-gradient(to right, rgba(62, 39, 35, 0.9) 0%, rgba(101, 67, 33, 0.8) 100%);
    --card-bg: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

html[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #444444;
    --header-bg: linear-gradient(to right, rgba(20, 20, 20, 0.95) 0%, rgba(40, 40, 40, 0.95) 100%);
    --card-bg: #2d2d2d;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* Apply dark mode to body */
html[data-theme="dark"] body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary) !important;
}

/* Header Dark Mode */
html[data-theme="dark"] .main-header {
    background: var(--header-bg);
}

/* Navigation Links Dark Mode */
html[data-theme="dark"] .nav-link {
    color: var(--text-primary);
}

html[data-theme="dark"] .nav-link:hover {
    color: #e8b45f;
}

/* Hero Section Dark Mode */
html[data-theme="dark"] .hero-section {
    background: var(--bg-primary);
}

html[data-theme="dark"] .hero-title,
html[data-theme="dark"] .section-title {
    color: var(--text-primary);
}

html[data-theme="dark"] .section-subtitle,
html[data-theme="dark"] .intro-text {
    color: var(--text-secondary);
}

/* Cards Dark Mode */
html[data-theme="dark"] .card-3d-front,
html[data-theme="dark"] .card-3d-back,
html[data-theme="dark"] .partner-card,
html[data-theme="dark"] .advantage-card,
html[data-theme="dark"] .customer-item,
html[data-theme="dark"] .commitment-item {
    background: var(--card-bg);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Sections Dark Mode */
html[data-theme="dark"] .partners-section,
html[data-theme="dark"] .advantages-section,
html[data-theme="dark"] .customers-section,
html[data-theme="dark"] .commitment-section {
    background: var(--bg-primary);
}

/* Footer Dark Mode */
html[data-theme="dark"] .main-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-primary);
}

html[data-theme="dark"] .footer-menu a,
html[data-theme="dark"] .footer-menu a:visited {
    color: var(--text-secondary);
}

html[data-theme="dark"] .footer-menu a:hover {
    color: var(--text-primary);
}

/* Theme Toggle Button */
.theme-toggle {
    background: rgba(255, 255, 255, 0.15);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    margin-left: 1.5rem;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: scale(1.1) rotate(20deg);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.theme-toggle:active {
    transform: scale(0.95);
}

html[data-theme="dark"] .theme-toggle {
    background: rgba(232, 180, 95, 0.15);
    border: 2px solid rgba(232, 180, 95, 0.4);
    color: #e8b45f;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

html[data-theme="dark"] .theme-toggle:hover {
    background: rgba(232, 180, 95, 0.25);
    border-color: rgba(232, 180, 95, 0.6);
    box-shadow: 0 6px 25px rgba(232, 180, 95, 0.3);
}

/* Text Color in Dark Mode */
html[data-theme="dark"] .card-flip-front h4,
html[data-theme="dark"] .partner-content h4,
html[data-theme="dark"] .advantage-card h3,
html[data-theme="dark"] .commitment-item h4 {
    color: var(--text-primary);
}

html[data-theme="dark"] .product-list li,
html[data-theme="dark"] .commitment-item p,
html[data-theme="dark"] .card-flip-front p {
    color: var(--text-secondary);
}

/* Button Styles Dark Mode */
html[data-theme="dark"] .btn-explore {
    background: #e8b45f;
    color: #1a1a1a;
}

html[data-theme="dark"] .btn-contact {
    background: rgba(232, 180, 95, 0.2);
    color: #e8b45f;
    border: 1px solid #e8b45f;
}

/* Input/Form Dark Mode */
html[data-theme="dark"] input,
html[data-theme="dark"] textarea,
html[data-theme="dark"] select {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

/* Transition Animation */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Ensure dark mode changes apply immediately without transition delays */
html[data-theme="dark"],
html[data-theme="dark"] * {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease !important;
}

/* Improve dark mode contrast for better readability */
html[data-theme="dark"] section {
    background: var(--bg-primary);
}

html[data-theme="dark"] .hero-description h3,
html[data-theme="dark"] .section-heading {
    color: #e8b45f;
}

html[data-theme="dark"] .card-flip-front {
    background: var(--card-bg) !important;
}

html[data-theme="dark"] .partner-card:hover {
    box-shadow: 0 20px 60px rgba(232, 180, 95, 0.1);
}

html[data-theme="dark"] .card-flip-front {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

html[data-theme="dark"] .card-flip-back {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
}

html[data-theme="dark"] .partner-content h4 {
    color: var(--text-primary) !important;
}

html[data-theme="dark"] .product-list li {
    color: var(--text-secondary) !important;
}

html[data-theme="dark"] .partner-card {
    background: var(--card-bg) !important;
}

html[data-theme="dark"] .advantage-card {
    background: rgba(45, 45, 45, 0.8) !important;
    border: 1px solid rgba(232, 180, 95, 0.2);
}

html[data-theme="dark"] .advantage-card:hover {
    background: rgba(45, 45, 45, 1) !important;
    box-shadow: 0 15px 45px rgba(232, 180, 95, 0.15);
}

html[data-theme="dark"] .advantage-card.focus {
    background: rgba(232, 180, 95, 0.1) !important;
    border: 1px solid rgba(232, 180, 95, 0.4) !important;
}

html[data-theme="dark"] .customer-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 2rem;
}

html[data-theme="dark"] .customer-icon {
    color: #e8b45f;
}

html[data-theme="dark"] .customer-item:hover {
    border-color: #e8b45f;
    box-shadow: 0 8px 25px rgba(232, 180, 95, 0.2);
}

html[data-theme="dark"] .commitment-footer p {
    color: var(--text-primary);
}

html[data-theme="dark"] .commitment-footer strong {
    color: #e8b45f;
}