/* Base Styles and Variables */
:root {
    /* Primary color palette - Based on Singapore flag and modern tech look */
    --primary-color: #0059b3; /* Deep blue - representing technology and trust */
    --secondary-color: #e32929; /* Singapore red */
    --accent-color: #27ae60; /* Green - representing growth */
    --text-color: #333333;
    --text-light: #666666;
    --background-light: #f8f9fa;
    --background-dark: #2c3e50;
    --white: #ffffff;
    --light-gray: #f4f4f4;
    --medium-gray: #e0e0e0;
    --dark-gray: #888888;
    
    /* Typography */
    --body-font: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --heading-font: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container width */
    --container-width: 1200px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--body-font);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--heading-font);
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--text-color);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style-position: inside;
    margin-bottom: var(--spacing-md);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background-color: #004a99;
    color: var(--white);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: #c72525;
    color: var(--white);
}

.btn-text {
    background: none;
    color: var(--primary-color);
    padding: 0.5rem 1rem;
}

.btn-text:hover {
    background-color: rgba(0, 89, 179, 0.1);
    color: var(--primary-color);
}

/* Form Elements */
input, 
textarea, 
select {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-md);
    font-family: var(--body-font);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

input:focus, 
textarea:focus, 
select:focus {
    outline: none;
    border-color: var(--primary-color);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.img-fluid {
    max-width: 100%;
    height: auto;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* Header */
header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
}

.nav-menu li {
    margin-left: var(--spacing-lg);
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    padding: 0.5rem 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
}

.nav-menu a.active::after,
.nav-menu a:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px 0;
    background-color: var(--text-color);
    transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
    background-color: var(--background-light);
    padding: var(--spacing-xl) 0;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.hero-content {
    flex: 1;
}

.hero-image {
    flex: 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
    scroll-margin-top: 80px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.2rem;
}

/* Section Divider */
.section-divider {
    height: 2px;
    background: linear-gradient(to right, rgba(0, 89, 179, 0.1), rgba(0, 89, 179, 0.6), rgba(0, 89, 179, 0.1));
    margin: 0 auto;
    width: 80%;
}

/* About Section */
.about {
    background-color: var(--white);
}

.about-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Services Section */
.services {
    background-color: var(--background-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: rgba(0, 89, 179, 0.1);
    border-radius: 50%;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
}

.services-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Why Choose Us Section */
.why-choose-us {
    background-color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    transition: transform var(--transition-normal);
}

.feature:hover {
    transform: translateY(-5px);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background-color: rgba(0, 89, 179, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
}

/* Testimonials Section */
.testimonials {
    background-color: var(--background-light);
    position: relative;
}

.testimonial-slider {
    display: flex;
    overflow-x: hidden;
    position: relative;
    height: 250px; /* Fixed height to prevent jumping */
}

.testimonial {
    min-width: 100%;
    padding: 0 var(--spacing-md);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    position: absolute;
    width: 100%;
    opacity: 0;
}

.testimonial:first-child {
    opacity: 1;
}

.testimonial-content {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.testimonial-content:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50px;
    width: 20px;
    height: 20px;
    background-color: var(--white);
    transform: rotate(45deg);
    box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.05);
}

.testimonial-content p {
    font-style: italic;
    margin-bottom: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-left: var(--spacing-lg);
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: var(--spacing-md);
}

.author-info h4 {
    margin-bottom: 0;
}

.author-info p {
    color: var(--text-light);
    margin-bottom: 0;
}

.testimonial-controls {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-lg);
}

.prev-testimonial,
.next-testimonial {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.prev-testimonial:hover,
.next-testimonial:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Team Section */
.team-section {
    background-color: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.team-member {
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.member-image {
    height: 250px;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.member-info {
    padding: var(--spacing-md);
}

.member-info h3 {
    margin-bottom: var(--spacing-xs);
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.member-bio {
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Newsletter Section */
.newsletter {
    background-color: var(--background-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.newsletter h2 {
    color: var(--white);
}

.newsletter-form {
    margin-top: var(--spacing-lg);
}

.form-group {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-consent {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    text-align: left;
}

.form-consent input {
    width: auto;
    margin-top: 4px;
    margin-bottom: 0;
}

.form-consent label {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.form-consent a {
    color: var(--white);
    text-decoration: underline;
}

/* Contact Form Section */
.contact-form-section {
    background-color: var(--white);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-submit {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Contact Info */
.contact-info {
    background-color: var(--background-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.contact-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.contact-card:hover {
    transform: translateY(-5px);
}

.contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    background-color: rgba(0, 89, 179, 0.1);
    border-radius: 50%;
    color: var(--primary-color);
}

.contact-card h3 {
    margin-bottom: var(--spacing-sm);
}

/* Map Section */
.map-section {
    padding-bottom: 0;
}

.map-container {
    width: 100%;
    height: 450px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.scroll-to-top.visible {
    opacity: 1;
}

/* Animation for sections */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
footer {
    background-color: var(--background-dark);
    color: var(--white);
    padding-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo h2 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: background-color var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-color);
}

.footer-column h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--medium-gray);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--white);
}

address p {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--medium-gray);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.copyright p {
    margin-bottom: 0;
    color: var(--medium-gray);
}

.legal-links {
    display: flex;
    gap: var(--spacing-lg);
}

.legal-links a {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.legal-links a:hover {
    color: var(--white);
}

/* Media Queries */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .hero .container,
    .about-content {
        flex-direction: column;
    }
    
    .hero-content,
    .about-text {
        order: 1;
    }
    
    .hero-image,
    .about-image {
        order: 0;
        margin-bottom: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md) 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        margin: var(--spacing-md) 0;
    }
    
    .services-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .legal-links {
        justify-content: center;
    }
    
    .form-group {
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
}