/* Base Variables for Premium Corporate Look */
:root {
    --primary-color: #0A2540; /* Deep premium Navy */
    --secondary-color: #0077FF; /* Vibrant Trust Blue */
    --accent-color: #E6F0FF; /* Very subtle blue strictly for backgrounds */
    --text-color: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --bg-light: #F8F9FA;
    --bg-dark: #061121; /* Very dark navy */
    --border-color: #E2E8F0;
    
    --font-main: 'Inter', sans-serif;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Basics */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--primary-color);
    font-weight: 700;
    line-height: 1.2;
}

.text-white {
    color: var(--white) !important;
}

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

.mt-4 {
    margin-top: 1.5rem;
}

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

.section {
    padding: 6rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.align-center {
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #0056b3;
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.btn-wechat {
    background-color: #07C160;
    color: var(--white);
}
.btn-wechat:hover {
    background-color: #06AD56;
    color: var(--white);
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--white);
}
.btn-whatsapp:hover {
    background-color: #20BD5A;
    color: var(--white);
}

.full-width {
    width: 100%;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
    margin-top: 1.5rem;
}

.link-arrow:hover {
    gap: 0.5rem;
}

/* Section Shared */
.section-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--accent-color);
    color: var(--secondary-color);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-light {
    background-color: rgba(255,255,255,0.1);
    color: var(--white);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.bg-dark .section-title {
    color: var(--white);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--secondary-color);
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn) {
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.nav-links a:not(.btn):hover {
    color: var(--secondary-color);
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    padding: 1rem 2rem;
    background-color: var(--white);
    border-top: 1px solid var(--border-color);
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    padding: 1rem 0;
    color: var(--text-color);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu a:last-child {
    border-bottom: none;
    margin-top: 1rem;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(10, 37, 64, 0.8), rgba(10, 37, 64, 0.6)), url('../images/hero.png');
    background-size: cover;
    background-position: center;
    z-index: 1;
}

/* If the image doesn't exist yet, a graceful fallback gradient */
.hero {
    background-color: var(--primary-color);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding-top: 80px; /* offset for navbar */
}

.hero-content h1 {
    color: var(--white);
    font-size: 4rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255,255,255,0.9);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* About Section */
.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.125rem;
}

.about-stats {
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.stat-number {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent-color);
    color: var(--secondary-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--secondary-color);
    color: var(--white);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
}

/* Why Us */
.feature-list {
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
}

.feature-list li i {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-top: 0.125rem;
}

.feature-list li strong {
    color: var(--white);
}

.trust-decor {
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: 4rem;
    text-align: center;
    backdrop-filter: blur(10px);
}

.trust-decor i {
    font-size: 5rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* Industries */
.industries-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.industry-chip {
    padding: 0.75rem 1.5rem;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-weight: 500;
    color: var(--text-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.industry-chip:hover {
    background-color: var(--secondary-color);
    color: var(--white);
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Contact */
.contact-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
}

.contact-info {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 4rem;
}

.contact-info h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 3rem;
}

.contact-detail {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-detail i {
    font-size: 1.5rem;
    color: var(--secondary-color);
    background-color: rgba(255,255,255,0.1);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-detail h4 {
    color: var(--white);
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.contact-detail p {
    color: rgba(255,255,255,0.8);
    font-size: 0.875rem;
}

.contact-form-wrapper {
    padding: 4rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(0, 119, 255, 0.1);
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: rgba(255,255,255,0.7);
    padding-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
    display: inline-flex;
}

.footer h3 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-links a,
.footer-legal a {
    display: block;
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.75rem;
}

.footer-links a:hover,
.footer-legal a:hover {
    color: var(--secondary-color);
    padding-left: 0.5rem;
}

.footer-bottom {
    background-color: rgba(0,0,0,0.2);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.875rem;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    margin-left: 1rem;
    border-left: 1px solid var(--border-color);
    padding-left: 1.5rem;
}

.lang-btn {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-light) !important;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.lang-btn:hover {
    color: var(--primary-color) !important;
    background-color: var(--accent-color);
}

.lang-btn.active-lang {
    color: var(--white) !important;
    background-color: var(--primary-color) !important;
}

.mobile-nav-controls {
    display: flex;
    align-items: center;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 992px) {
    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-card {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info, .contact-form-wrapper {
        padding: 2rem;
    }
    
    .section {
        padding: 4rem 0;
    }
}