/* SIAMTECH DIGITAL - Digital Finance Stylesheet */

/* Base Styles and Variables */
:root {
    --siamtech-primary: #0056B3;    /* Primary Blue */
    --siamtech-secondary: #00A896;  /* Teal Green */
    --siamtech-accent: #F5A623;     /* Warm Yellow */
    --siamtech-highlight: #FF5252;  /* Vibrant Red */
    --siamtech-light: #F5F7FA;      /* Light Gray */
    --siamtech-dark: #1A2A3A;       /* Dark Blue */
    --siamtech-text: #333333;       /* Text Color */
    --siamtech-gradient-1: linear-gradient(135deg, var(--siamtech-primary), var(--siamtech-secondary));
    --siamtech-gradient-2: linear-gradient(135deg, var(--siamtech-secondary), var(--siamtech-accent));
    --siamtech-gradient-3: linear-gradient(135deg, var(--siamtech-primary), var(--siamtech-highlight));
    --siamtech-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --siamtech-radius: 8px;
    --siamtech-transition: all 0.3s ease;
}

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

body {
    font-family: 'Prompt', sans-serif;
    color: var(--siamtech-text);
    line-height: 1.6;
    background-color: var(--siamtech-light);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--siamtech-transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--siamtech-radius);
}

.siamtech_container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Button Styles */
.siamtech_btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 500;
    text-align: center;
    transition: var(--siamtech-transition);
    border: none;
    cursor: pointer;
}

.siamtech_btn_primary {
    background: var(--siamtech-primary);
    color: white;
}

.siamtech_btn_primary:hover {
    background: #004A9F;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.3);
}

.siamtech_btn_secondary {
    background: white;
    color: var(--siamtech-primary);
    border: 2px solid var(--siamtech-primary);
}

.siamtech_btn_secondary:hover {
    background: var(--siamtech-primary);
    color: white;
    transform: translateY(-2px);
}

/* Section Headers */
.siamtech_section_header {
    text-align: center;
    margin-bottom: 50px;
}

.siamtech_section_header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--siamtech-dark);
    position: relative;
    display: inline-block;
}

.siamtech_section_header h2::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 4px;
    background: var(--siamtech-accent);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.siamtech_section_header p {
    font-size: 18px;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.siamtech_light_text h2,
.siamtech_light_text p {
    color: white;
}

.siamtech_light_text h2::after {
    background: white;
}

/* Header Styles */
.siamtech_header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    padding: 15px 0;
    z-index: 1000;
}

.siamtech_header .siamtech_container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.siamtech_logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--siamtech-primary);
    position: relative;
}

.siamtech_logo h1::after {
    content: 'DIGITAL';
    font-size: 12px;
    position: absolute;
    bottom: 0;
    right: -55px;
    color: var(--siamtech-accent);
    letter-spacing: 1px;
}

.siamtech_nav ul {
    display: flex;
}

.siamtech_nav ul li {
    margin-left: 30px;
}

.siamtech_nav ul li a {
    font-size: 16px;
    font-weight: 500;
    color: var(--siamtech-dark);
    padding: 8px 0;
    position: relative;
}

.siamtech_nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--siamtech-primary);
    transition: var(--siamtech-transition);
}

.siamtech_nav ul li a:hover::after,
.siamtech_nav ul li a.siamtech_active::after {
    width: 100%;
}

.siamtech_nav ul li a.siamtech_active {
    color: var(--siamtech-primary);
}

.siamtech_hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.siamtech_hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--siamtech-dark);
    margin-bottom: 5px;
    border-radius: 3px;
    transition: var(--siamtech-transition);
}

/* Page Banner */
.siamtech_page_banner {
    background: var(--siamtech-gradient-1);
    padding: 150px 0 80px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.siamtech_page_banner::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.siamtech_page_banner::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    z-index: 1;
}

.siamtech_banner_content {
    position: relative;
    z-index: 2;
}

.siamtech_banner_content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.siamtech_banner_content p {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Overview Section */
.siamtech_overview {
    padding: 80px 0;
    background-color: white;
}

.siamtech_overview_grid {
    display: flex;
    align-items: center;
    gap: 60px;
}

.siamtech_overview_text {
    flex: 1;
}

.siamtech_overview_text h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--siamtech-dark);
    margin-bottom: 20px;
    position: relative;
}

.siamtech_overview_text h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 4px;
    background: var(--siamtech-accent);
    bottom: -10px;
    left: 0;
    border-radius: 2px;
}

.siamtech_overview_text p {
    margin: 25px 0;
    font-size: 17px;
    color: #555;
}

.siamtech_overview_list {
    margin-top: 30px;
}

.siamtech_overview_list li {
    padding-left: 25px;
    margin-bottom: 12px;
    position: relative;
    font-size: 16px;
    color: #555;
}

.siamtech_overview_list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 10px;
    height: 10px;
    background: var(--siamtech-primary);
    border-radius: 50%;
}

.siamtech_overview_image {
    flex: 1;
    position: relative;
}

.siamtech_overview_image::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    background: var(--siamtech-gradient-2);
    border-radius: var(--siamtech-radius);
    z-index: -1;
    opacity: 0.3;
}

/* Solutions Section */
.siamtech_solutions {
    padding: 100px 0;
    background-color: var(--siamtech-light);
}

.siamtech_solutions_row {
    margin-bottom: 80px;
}

.siamtech_solutions_row:last-child {
    margin-bottom: 0;
}

.siamtech_solution_item {
    display: flex;
    align-items: center;
    gap: 50px;
}

.siamtech_row_reverse .siamtech_solution_item {
    flex-direction: row-reverse;
}

.siamtech_solution_image {
    flex: 1;
    position: relative;
    z-index: 1;
}

.siamtech_solution_image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--siamtech-gradient-1);
    border-radius: var(--siamtech-radius);
    top: 15px;
    left: 15px;
    z-index: -1;
    opacity: 0.2;
}

.siamtech_row_reverse .siamtech_solution_image::before {
    top: 15px;
    left: -15px;
    background: var(--siamtech-gradient-2);
}

.siamtech_solution_content {
    flex: 1;
}

.siamtech_solution_content h3 {
    font-size: 28px;
    font-weight: 600;
    color: var(--siamtech-dark);
    margin-bottom: 20px;
}

.siamtech_solution_content p {
    margin-bottom: 25px;
    color: #555;
    font-size: 16px;
}

.siamtech_feature_points {
    margin-bottom: 30px;
}

.siamtech_feature_points li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 30px;
    color: #555;
}

.siamtech_feature_points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--siamtech-secondary);
    font-weight: bold;
}

/* E-Wallet Section */
.siamtech_e_wallet {
    padding: 80px 0;
    background: var(--siamtech-gradient-3);
    color: white;
    position: relative;
    overflow: hidden;
}

.siamtech_e_wallet::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    z-index: 0;
}

.siamtech_e_wallet_features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

.siamtech_e_wallet_feature {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px 20px;
    border-radius: var(--siamtech-radius);
    text-align: center;
    backdrop-filter: blur(5px);
    transition: var(--siamtech-transition);
}

.siamtech_e_wallet_feature:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
}

.siamtech_feature_icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.siamtech_e_wallet_feature h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
}

.siamtech_e_wallet_feature p {
    font-size: 15px;
    opacity: 0.9;
}

.siamtech_e_wallet_cta {
    text-align: center;
    margin-top: 40px;
    position: relative;
    z-index: 2;
}

.siamtech_e_wallet .siamtech_btn_secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.siamtech_e_wallet .siamtech_btn_secondary:hover {
    background: white;
    color: var(--siamtech-primary);
}

/* Enterprise Section */
.siamtech_enterprise {
    padding: 100px 0;
    background-color: white;
}

.siamtech_enterprise_grid {
    display: flex;
    gap: 60px;
    align-items: center;
}

.siamtech_enterprise_content {
    flex: 1.2;
}

.siamtech_enterprise_content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--siamtech-dark);
    margin-bottom: 25px;
    position: relative;
}

.siamtech_enterprise_content h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 4px;
    background: var(--siamtech-accent);
    bottom: -12px;
    left: 0;
    border-radius: 2px;
}

.siamtech_enterprise_content p {
    margin-top: 30px;
    margin-bottom: 40px;
    color: #555;
    font-size: 17px;
}

.siamtech_enterprise_tools {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.siamtech_tool {
    background: var(--siamtech-light);
    padding: 25px;
    border-radius: var(--siamtech-radius);
    transition: var(--siamtech-transition);
    position: relative;
    overflow: hidden;
}

.siamtech_tool::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--siamtech-primary);
    transition: var(--siamtech-transition);
}

.siamtech_tool:hover {
    box-shadow: var(--siamtech-shadow);
    transform: translateY(-5px);
}

.siamtech_tool:hover::before {
    width: 10px;
}

.siamtech_tool h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--siamtech-dark);
    margin-bottom: 12px;
}

.siamtech_tool p {
    font-size: 15px;
    margin: 0;
    color: #666;
}

.siamtech_enterprise_image {
    flex: 0.8;
    position: relative;
}

.siamtech_enterprise_image::after {
    content: '';
    position: absolute;
    top: 30px;
    right: 30px;
    width: 100%;
    height: 100%;
    background: var(--siamtech-gradient-1);
    border-radius: var(--siamtech-radius);
    z-index: -1;
    opacity: 0.2;
}

/* Security Section */
.siamtech_security {
    padding: 100px 0;
    background-color: var(--siamtech-light);
    position: relative;
}

.siamtech_security_cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.siamtech_security_card {
    background: white;
    border-radius: var(--siamtech-radius);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--siamtech-shadow);
    transition: var(--siamtech-transition);
    position: relative;
    overflow: hidden;
}

.siamtech_security_card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--siamtech-gradient-1);
    transition: var(--siamtech-transition);
}

.siamtech_security_card:nth-child(2)::before {
    background: var(--siamtech-gradient-2);
}

.siamtech_security_card:nth-child(3)::before {
    background: var(--siamtech-gradient-3);
}

.siamtech_security_card:nth-child(4)::before {
    background: linear-gradient(135deg, var(--siamtech-highlight), var(--siamtech-accent));
}

.siamtech_security_card:hover {
    transform: translateY(-10px);
}

.siamtech_security_card:hover::before {
    height: 10px;
}

.siamtech_security_icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    background: var(--siamtech-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.siamtech_security_card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--siamtech-dark);
    margin-bottom: 15px;
}

.siamtech_security_card p {
    color: #666;
    font-size: 16px;
}

/* CTA Section */
.siamtech_cta_section {
    padding: 100px 0;
    background-color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.siamtech_cta_section::before {
    content: '';
    position: absolute;
    top: -200px;
    left: -200px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--siamtech-gradient-1);
    opacity: 0.05;
}

.siamtech_cta_section::after {
    content: '';
    position: absolute;
    bottom: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: var(--siamtech-gradient-2);
    opacity: 0.05;
}

.siamtech_cta_content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.siamtech_cta_content h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--siamtech-dark);
    margin-bottom: 20px;
}

.siamtech_cta_content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
}

.siamtech_cta_buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Footer Styles */
.siamtech_footer {
    background: var(--siamtech-dark);
    color: white;
    padding: 70px 0 0;
}

.siamtech_footer_grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.siamtech_footer_about h3,
.siamtech_footer_links h3,
.siamtech_footer_contact h3,
.siamtech_footer_social h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.siamtech_footer_about p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.siamtech_footer_links ul li {
    margin-bottom: 10px;
}

.siamtech_footer_links ul li a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    transition: var(--siamtech-transition);
}

.siamtech_footer_links ul li a:hover {
    color: white;
    padding-left: 5px;
}

.siamtech_footer_contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.siamtech_social_icons {
    display: flex;
    gap: 15px;
}

.siamtech_social_icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--siamtech-transition);
    font-size: 14px;
}

.siamtech_social_icon:hover {
    background: var(--siamtech-primary);
    transform: translateY(-3px);
}

.siamtech_footer_bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.siamtech_footer_bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .siamtech_overview_grid,
    .siamtech_solution_item,
    .siamtech_enterprise_grid {
        flex-direction: column;
    }
    
    .siamtech_row_reverse .siamtech_solution_item {
        flex-direction: column;
    }
    
    .siamtech_e_wallet_features {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .siamtech_banner_content h1 {
        font-size: 42px;
    }
}

@media (max-width: 768px) {
    .siamtech_nav {
        display: none;
    }
    
    .siamtech_hamburger {
        display: flex;
    }
    
    .siamtech_enterprise_tools {
        grid-template-columns: 1fr;
    }
    
    .siamtech_banner_content h1 {
        font-size: 36px;
    }
    
    .siamtech_banner_content p {
        font-size: 18px;
    }
    
    .siamtech_solution_content h3,
    .siamtech_enterprise_content h2,
    .siamtech_overview_text h2 {
        font-size: 28px;
    }
}

@media (max-width: 576px) {
    .siamtech_e_wallet_features {
        grid-template-columns: 1fr;
    }
    
    .siamtech_security_cards {
        grid-template-columns: 1fr;
    }
    
    .siamtech_cta_buttons {
        flex-direction: column;
    }
    
    .siamtech_banner_content h1 {
        font-size: 30px;
    }
    
    .siamtech_cta_content h2 {
        font-size: 28px;
    }
    
    .siamtech_footer_grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .siamtech_footer_links ul li a:hover {
        padding-left: 0;
    }
    
    .siamtech_social_icons {
        justify-content: center;
    }
    
    .siamtech_overview_text h2::after,
    .siamtech_enterprise_content h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
}