:root {
    --primary-blue: #0055a5;
    --secondary-blue: #0077cc;
    --light-blue: #e6f2ff;
    --accent-red: #e30613;
    --light-red: #ffebee;
    --primary-white: #ffffff;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #333333;
    --text-color: #2d3748;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    --gold: #e30613;
    --dark-gold: #c00714;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Mitr', 'Kanit', sans-serif;
}

body {
    background-color: #f9fbfd;
    color: var(--text-color);
    line-height: 1.8;
    font-weight: 300;
    overflow-x: hidden;
    background-image: radial-gradient(circle at 1% 1%, rgba(230, 242, 255, 0.2) 0%, transparent 90%);
}

.container {
    width: 100%;
    max-width: 95%;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(0, 85, 165, 0.1);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo-icon {
    background-color: var(--primary-blue);
    color: var(--primary-white);
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(0, 85, 165, 0.3);
    transition: var(--transition);
}

.logo-icon:hover {
    transform: rotate(5deg) scale(1.05);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    position: relative;
}

.logo h1:after {
    content: 'G CARGO';
    position: absolute;
    top: 0;
    left: 0;
    color: var(--accent-red);
    clip-path: polygon(0 0, 100% 0, 100% 60%, 0 60%);
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

nav ul li a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--accent-red);
    transition: width 0.3s ease;
    border-radius: 4px;
}

nav ul li a:hover:before {
    width: 100%;
}

nav ul li a:hover {
    color: var(--accent-red);
}

.cta-button {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(0, 85, 165, 0.3);
    display: inline-block;
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.cta-button:after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(30deg);
    transition: all 0.6s ease;
}

.cta-button:hover:after {
    transform: rotate(30deg) translate(100%, 100%);
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 85, 165, 0.4);
}

/* Hamburger Menu */
.menu-toggle {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    display: block;
    width: 25px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    margin: 5px auto;
    transition: var(--transition);
    border-radius: 2px;
}

/* Banner Slider */
.banner-slider {
    position: relative;
    width: 100%;
    height: 85vh;
    overflow: hidden;
    border-radius: 0 0 40px 40px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.slider-container {
    display: flex;
    width: 400%;
    height: 100%;
    transition: transform 1s cubic-bezier(0.77, 0, 0.175, 1);
}

.slide {
    flex: 1 0 25%;
    height: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);
}

.slide-content {
    max-width: 1200px;
    text-align: center;
    padding: 0 20px;
    z-index: 10;
    transform: translateY(50px);
    opacity: 0;
    transition: all 0.8s ease;
}

.slide.active .slide-content {
    transform: translateY(0);
    opacity: 1;
}

.slide h2 {
    font-size: 3.5rem;
    color: var(--primary-white);
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
    font-weight: 700;
    letter-spacing: -1px;
}

.slide p {
    font-size: 1.5rem;
    color: var(--primary-white);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.slider-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    z-index: 10;
}

.slider-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    margin: 0 8px;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background-color: var(--accent-red);
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(227, 6, 19, 0.5);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 1.5rem;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.slider-arrow.prev {
    left: 30px;
}

.slider-arrow.next {
    right: 30px;
}

/* Floating Contact Buttons */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
    animation: pulse 2s infinite;
}

.floating-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.4);
    animation: none;
}

.floating-btn.line {
    background: linear-gradient(135deg, #00c300 0%, #06c755 100%);
}

.floating-btn.phone {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.floating-btn.email {
    background: linear-gradient(135deg, #EA4335 0%, #D14836 100%);
}

.floating-btn .tooltip {
    position: absolute;
    right: 75px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    color: white;
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.floating-btn:hover .tooltip {
    opacity: 1;
    right: 70px;
}

/* Trust Badges */
.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.trust-badge {
    background-color: var(--primary-white);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.trust-badge:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary-blue), var(--accent-red));
    transition: width 0.3s ease;
}

.trust-badge:hover:before {
    width: 100%;
    opacity: 0.1;
}

.trust-badge:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.trust-badge i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    min-width: 60px;
    text-align: center;
}

/* Services Section */
.services {
    padding: 50px 0;
    position: relative;
}

.services:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%230055a5' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.3;
    z-index: -1;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title h2 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-blue);
    position: relative;
    display: inline-block;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    border-radius: 4px;
}

.section-title p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 20px auto 0;
    color: var(--text-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--primary-white);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border-top: 4px solid var(--accent-red);
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 85, 165, 0.05) 0%, rgba(227, 6, 19, 0.05) 100%);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

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

.service-card:hover {
    transform: translateY(-10px) rotate(1deg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-blue);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.2);
    color: var(--accent-red);
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.6rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service-card:hover h3 {
    color: var(--accent-red);
}

.service-card p {
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
}

/* Trust Indicators */
.trust-indicators {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #003b77 100%);
    color: var(--primary-white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 40px;
    margin: 80px 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.trust-indicators:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/45-degree-fabric-light.png');
    opacity: 0.1;
    z-index: 0;
}

.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 30px;
    position: relative;
    z-index: 1;
}

.indicator-item {
    padding: 40px 20px;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.indicator-item:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.25);
}

.indicator-item i {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--accent-red);
}

.indicator-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Professional Services */
.professional {
    padding: 50px 0;
    position: relative;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 70px;
    counter-reset: step-counter;
    position: relative;
}

.process-steps:before {
    content: '';
    position: absolute;
    top: 60px;
    left: 10%;
    width: 80%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    z-index: 0;
}

.step {
    flex: 0 0 calc(25% - 30px);
    position: relative;
    padding: 50px 25px 30px;
    background-color: var(--light-blue);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 50px;
    transition: var(--transition);
    z-index: 1;
    box-shadow: var(--box-shadow);
}

.step:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
}

.step:hover h3,
.step:hover .step-icon {
    color: white;
}

.step:before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    color: var(--primary-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0, 85, 165, 0.4);
    transition: var(--transition);
    z-index: 2;
}

.step:hover:before {
    transform: translateX(-50%) scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 85, 165, 0.6);
}

.step h3 {
    color: var(--primary-blue);
    margin-bottom: 20px;
    font-size: 1.5rem;
    transition: color 0.3s ease;
    font-weight: 600;
}

.step-icon {
    font-size: 2.8rem;
    color: var(--primary-blue);
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

/* Testimonials */
.testimonials {
    padding: 50px 0;
    position: relative;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.testimonial-card {
    background-color: var(--primary-white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    position: relative;
    border: 1px solid var(--medium-gray);
    transition: var(--transition);
    overflow: hidden;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.testimonial-card:before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 8rem;
    color: var(--light-blue);
    font-family: Georgia, serif;
    line-height: 1;
    opacity: 0.2;
    z-index: 0;
}

.testimonial-content {
    margin-top: 30px;
    font-style: italic;
    color: var(--text-color);
    position: relative;
    z-index: 1;
    font-size: 1.1rem;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 30px;
    position: relative;
    z-index: 1;
}

.author-avatar {
   
    border-radius: 50%;
    background: var(--accent-red);
    margin-right: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-white);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.author-info h4 {
    color: var(--primary-blue);
    font-weight: 700;
    font-size: 1.3rem;
}

.author-info p {
    color: var(--accent-red);
    font-weight: 500;
}

/* Partners */
.partners {
    padding: 100px 0;
    text-align: center;
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.partner-logo {
    width: 180px;
    height: 100px;
    background-color: var(--primary-white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-blue);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    padding: 15px;
}

.partner-logo:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

/* ส่วนคำนวณค่าส่งที่ปรับปรุงใหม่ */
#calculator {
    padding: 80px 0;
    background: linear-gradient(135deg, #f9fbfd 0%, #e6f2ff 100%);
    position: relative;
    overflow: hidden;
}

#calculator::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%230055a5' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.2;
    z-index: -1;
}

.calculator-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.calculator-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.calculator-header h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.calculator-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-red) 100%);
    border-radius: 4px;
}

.calculator-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 20px auto 0;
    color: var(--text-color);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.calc-box {
    background: var(--primary-white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-top: 5px solid var(--gold);
    position: relative;
    overflow: hidden;
}

.calc-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.calc-box:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(252, 185, 0, 0.05) 0%, rgba(255, 255, 255, 0.05) 100%);
    z-index: 0;
}

.calc-label {
    display: block;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-blue);
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
}

.calc-label i {
    margin-right: 12px;
    color: var(--gold);
    font-size: 1.4rem;
    width: 30px;
    text-align: center;
}

.transport-options {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.transport-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 15px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.7);
    border: 2px solid var(--medium-gray);
    transition: var(--transition);
    width: 120px;
    position: relative;
    z-index: 1;
}

.transport-option:hover {
    border-color: var(--gold);
    background-color: rgba(252, 185, 0, 0.1);
}

.transport-option.active {
    border-color: var(--gold);
    background-color: rgba(252, 185, 0, 0.15);
    box-shadow: 0 5px 15px rgba(252, 185, 0, 0.2);
}

.transport-option input {
    display: none;
}

.transport-option i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--primary-blue);
    transition: var(--transition);
}

.transport-option.active i {
    color: var(--gold);
    transform: scale(1.1);
}

.transport-option span {
    font-weight: 500;
    color: var(--dark-gray);
    text-align: center;
    transition: var(--transition);
}

.transport-option.active span {
    color: var(--dark-gold);
    font-weight: 600;
}

.calc-box input,
.calc-box select {
    width: 100%;
    padding: 16px 20px;
    border: 1px solid var(--medium-gray);
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--light-gray);
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.calc-box input:focus,
.calc-box select:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(252, 185, 0, 0.3);
    outline: none;
}

.dimension-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.dimension-group {
    display: flex;
    flex-direction: column;
}

.dimension-group label {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 5px;
    padding-left: 5px;
}

.box-image {
    text-align: center;
    margin-top: 20px;
    opacity: 0.8;
}

.box-image img {
    max-width: 200px;
    /* filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.1)); */
}

.calc-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

.calc-btn {
    background: var(--gold);
    color: #000;
    padding: 16px 45px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 20px rgba(252, 185, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 10px;
}

.calc-btn:hover {
    background: var(--dark-gold);
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(252, 185, 0, 0.4);
}

.result-display {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #003b77 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.3rem;
    min-width: 200px;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 85, 165, 0.3);
}

.result-container {
    background: var(--primary-white);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-top: 40px;
    box-shadow: var(--box-shadow);
    display: none;
    animation: fadeIn 0.5s ease;
}

.result-header {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--medium-gray);
}

.result-header h3 {
    font-size: 1.8rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.result-price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-red);
    text-align: center;
    margin: 25px 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.result-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.detail-item {
    background-color: var(--light-blue);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border-left: 4px solid var(--primary-blue);
}

.detail-item h4 {
    color: var(--primary-blue);
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.detail-item p {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark-gray);
}

/* ปรับปรุงส่วน Footer */
footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #002c5f 100%);
    color: var(--primary-white);
    padding: 100px 0 40px;
    border-radius: 40px 40px 0 0;
    position: relative;
    overflow: hidden;
}

footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/45-degree-fabric-light.png');
    opacity: 0.1;
    z-index: 0;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-main {
    display: flex;
    flex-direction: column;
}

.footer-about {
    margin-bottom: 30px;
}

.footer-about h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--accent-red);
    position: relative;
    display: inline-block;
}

.footer-about h3:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-red);
}

.footer-about p {
    margin-bottom: 25px;
    color: #ddd;
    font-size: 1.1rem;
    line-height: 1.8;
}

.footer-links-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.footer-links h4 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    color: var(--accent-red);
}

.footer-links h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--accent-red);
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 15px;
}

.footer-links ul li a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    padding: 8px 0;
    font-size: 1.1rem;
}

.footer-links ul li a i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}

.footer-links ul li a:hover {
    color: var(--accent-red);
    padding-left: 5px;
}

.contact-info {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 30px;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-detail i {
    font-size: 1.4rem;
    color: var(--accent-red);
    margin-right: 15px;
    margin-top: 8px;
    min-width: 25px;
}

.contact-detail div p {
    margin-bottom: 5px;
    color: #eee;
}

.social-links {
    display: flex;
    margin-top: 25px;
    gap: 15px;
    flex-wrap: wrap;
}

.social-links a {
    display: inline-flex;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--primary-white);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.3rem;
}

.social-links a:hover {
    background-color: var(--accent-red);
    transform: translateY(-5px);
}

.map-container {
    margin-top: 30px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    height: 250px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #1a2a6c);
    position: relative;
}

.map-container:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/cartographer.png');
    opacity: 0.2;
}

.map-placeholder {
    color: white;
    text-align: center;
    padding: 20px;
    z-index: 1;
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.1rem;
    color: #aaa;
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.payment-methods {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    justify-content: center;
}

.payment-methods i {
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.payment-methods i:hover {
    color: white;
}

/* Keyframes */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 85, 165, 0.4);
    }

    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 15px rgba(0, 85, 165, 0);
    }

    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(0, 85, 165, 0);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .slide h2 {
        font-size: 3rem;
    }
}

@media (max-width: 992px) {
    .slide h2 {
        font-size: 2.5rem;
    }

    .step {
        flex: 0 0 calc(50% - 20px);
    }

    .banner-slider {
        height: 70vh;
    }

    .process-steps:before {
        display: none;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    nav ul {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background: linear-gradient(135deg, var(--primary-blue) 0%, #003b77 100%);
        flex-direction: column;
        padding-top: 120px;
        transition: all 0.5s ease;
        z-index: 9000;
        border-radius: 0 0 0 30px;
    }

    nav ul.active {
        right: 0;
    }

    nav ul li {
        margin: 15px 0;
        text-align: center;
    }

    nav ul li a {
        color: white;
        font-size: 1.2rem;
        padding: 10px 0;
        display: block;
    }

    .header-container .cta-button {
        display: none;
    }

    .logo {
        margin-bottom: 0;
    }

    .slide h2 {
        font-size: 2.2rem;
    }

    .slide p {
        font-size: 1.2rem;
    }

    .step {
        flex: 0 0 100%;
    }

    .banner-slider {
        height: 65vh;
    }

    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }

    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .calculator-container {
        padding: 30px 20px;
    }

    .result-price {
        font-size: 2.5rem;
    }

    .footer-container {
        gap: 30px;
    }

    .calculator-grid {
        grid-template-columns: 1fr;
    }

    .transport-options {
        gap: 10px;
    }

    .transport-option {
        width: 100px;
        padding: 12px 5px;
    }

    .calc-btn {
        padding: 14px 30px;
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .section-title h2 {
        font-size: 2.2rem;
    }

    .calculator-container {
        padding: 30px 20px;
    }

    .slide h2 {
        font-size: 1.8rem;
    }

    .slide p {
        font-size: 1rem;
    }

    .banner-slider {
        height: 60vh;
    }

    .slider-arrow {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .trust-indicators {
        border-radius: 20px;
        margin: 25px 0;
    }
}

/* Price List Section */
.price-list-section {
    padding: 40px 0;
    position: relative;
    background: linear-gradient(135deg, #f9fbfd 0%, #e6f2ff 100%);
    border-radius: 0 0 40px 40px;
    margin: 25px 0;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.price-list-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%230055a5' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.2;
    z-index: -1;
}

.transport-title {
    text-align: center;
    margin: 60px 0 40px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.transport-title h2 {
    font-size: 2.2rem;
    color: var(--dark-gray);
    font-weight: 700;
    position: relative;
}

.transport-title span {
    color: var(--accent-red);
    font-weight: 700;
}

.transport-title i {
    font-size: 2.5rem;
    color: var(--primary-blue);
    background: rgba(0, 85, 165, 0.1);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.price-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    justify-content: center;
}

.price-card {
    background-color: var(--primary-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    border-top: 4px solid transparent;
    transform: translateY(0);
}

.price-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Different colors for each card type */
.price-card.general {
    border-top-color: #d71212;
}

.price-card.standard {
    border-top-color: #d71212;
}

.price-card.heavy {
    border-top-color: #d71212;
}

.price-card.mok {
    border-top-color: #d71212;
}

.price-header {
    padding: 25px 20px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--primary-white);
    position: relative;
    overflow: hidden;
}

.price-header:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://www.transparenttextures.com/patterns/45-degree-fabric-light.png');
    opacity: 0.1;
}

.price-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.price-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

.price-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.price-body {
    padding: 30px 20px;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 10px;
    border-bottom: 1px solid var(--medium-gray);
    transition: var(--transition);
}

.price-row:last-child {
    border-bottom: none;
}

.price-row:hover {
    background-color: rgba(230, 242, 255, 0.4);
}

.price-label {
    font-size: 1.1rem;
    color: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.price-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-blue);
    position: relative;
}

.price-value:after {
    content: 'บาท';
    font-size: 0.9rem;
    color: var(--accent-red);
    margin-left: 5px;
    font-weight: 500;
}

.price-unit {
    font-size: 0.9rem;
    color: #777;
    margin-top: 5px;
}

.price-note {
    margin-top: 25px;
    padding: 15px;
    background-color: rgba(252, 185, 0, 0.1);
    border-radius: 10px;
    font-size: 0.95rem;
    color: #333;
    border-left: 3px solid var(--gold);
}

.transport-badge {
    position: absolute;
    top: 20px;
    right: -35px;
    width: 150px;
    padding: 8px 0;
    background-color: var(--accent-red);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    transform: rotate(45deg);
    box-shadow: 0 5px 15px rgba(227, 6, 19, 0.3);
}

/* Responsive Design */
@media (max-width: 992px) {
    .price-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .transport-title h2 {
        font-size: 1.8rem;
    }

    .price-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .price-card {
        max-width: 100%;
    }
}

@media (max-width: 576px) {
    .section-title h2 {
        font-size: 2.2rem;
    }

    .transport-title {
        flex-direction: column;
        gap: 10px;
    }

    .transport-title i {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
}