:root {
    --primary: #0A2540;
    --accent: #00D4B2;
    --accent-hover: #00b396;
    --text-dark: #1C2A38;
    --text-light: #637381;
    --bg-light: #F8FAFC;
    --white: #FFFFFF;
    --border: #E2E8F0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

body {
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
}

/* --- FIXED HEADER BAR --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8%;
    background: #0A2540;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999; 
    height: 80px;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo span {
    color: var(--accent);
}

.logo-icon-svg {
    color: var(--accent); 
    width: 26px; 
    height: 26px;
}

.menu-open-btn {
    background: none;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s;
}

.menu-open-btn:hover {
    color: var(--accent);
}

/* --- DIM BACKGROUND OVERLAY --- */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 37, 64, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1999; 
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* --- SLIDING DRAWER MENU --- */
.nav-drawer {
    position: fixed;
    top: 0;
    right: -360px; /* Completely hidden off-screen initially */
    width: 360px;
    height: 100vh;
    background: var(--white);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    z-index: 2000; /* Overlaps content completely */
    padding: 100px 40px 40px 40px;
    display: flex;
    flex-direction: column;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-drawer.open {
    right: 0; /* Slides into view */
}

/* Close Button Pinned Safely Inside top-right corner of drawer panel */
.menu-close-btn {
    position: absolute;
    top: 20px;
    right: 40px;
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.menu-close-btn:hover {
    color: var(--accent-hover);
}

.drawer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.drawer-links a {
    text-decoration: none;
    color: var(--primary);
    font-size: 20px;
    font-weight: 600;
    transition: color 0.2s;
}

.drawer-links a:hover {
    color: var(--accent-hover);
}

/* --- UI COMPONENTS & TYPOGRAPHY --- */
.btn {
    display: inline-block;
    padding: 14px 24px;
    border-radius: 6px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

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

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

/* --- MAIN PAGE CONTENT --- */
.main-content {
    margin-top: 80px; /* Offset for fixed navigation bar */
}

/* Hero Layout Container */
.hero {
    background: linear-gradient(135deg, #0A2540 0%, #051424 100%);
    color: var(--white);
    padding: 100px 8% 120px 8%;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 19px;
    color: #94A3B8;
    max-width: 650px;
    margin: 0 auto 40px auto;
}

.hero-ctas {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 80px;
}

/* Services Grid Modules */
.services {
    padding: 100px 8%;
    text-align: center;
}

.section-header h2 {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 20px;
}

.section-header p {
    color: var(--text-light);
    font-size: 17px;
    margin-bottom: 60px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 60px auto;
    text-align: left;
}

.service-card {
    padding: 40px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--white);
}

.icon-box {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 178, 0.1);
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary);
}

.service-card p {
    color: var(--text-light);
    font-size: 15px;
}

/* --- SOCIAL SHARE MODULE --- */
.share-section {
    background: var(--bg-light);
    padding: 40px 8%;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.share-heading {
    font-weight: 700; 
    color: var(--primary); 
    font-size: 16px;
}

.share-grid {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.share-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: white;
    transition: transform 0.2s, opacity 0.2s;
}

.share-btn:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.share-fb-btn { background: #1877F2; }
.share-wa-btn { background: #25D366; }
.share-ig-btn { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #bc1888 100%); }
.share-wechat-btn { background: #07C160; }

/* Contact Section Form Block */
.contact {
    background: var(--primary);
    color: var(--white);
    padding: 100px 8%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-info h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-info p {
    color: #94A3B8;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

input, textarea {
    width: 100%;
    padding: 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    color: var(--white);
    font-size: 15px;
}

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

/* Footer Structural Viewport Settings */
footer {
    background: #051424;
    color: #637381;
    padding: 40px 8%;
    font-size: 14px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
}

/* --- RESPONSIVE MEDIA BREAKPOINTS --- */
@media (max-width: 968px) {
    .hero h1 { font-size: 36px; }
    .services-grid, .contact { grid-template-columns: 1fr; }
    .contact { gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 10px; }
}

@media (max-width: 768px) {
    .nav-drawer { width: 100%; right: -100%; padding-top: 80px; }
    .menu-close-btn { right: 8%; }
    .form-row { grid-template-columns: 1fr; gap: 0; }
}
/* --- Clickable Services Buttons System --- */
.interactive-card {
    text-decoration: none;
    display: block;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.interactive-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(10, 37, 64, 0.1);
}

/* Center Highlight Green Card Styling */
.active-highlight {
    background-color: var(--accent) !important;
    border-color: var(--accent) !important;
}

.active-highlight h3, 
.active-highlight p, 
.active-highlight .card-en-sub {
    color: var(--primary) !important;
}

.active-highlight .icon-box {
    background: rgba(10, 37, 64, 0.1) !important;
    color: var(--primary) !important;
}

.card-en-sub {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-top: 4px;
    color: var(--text-light);
}

/* Responsive view optimization rule for 3 columns scaling down */
@media (max-width: 968px) {
    .services-grid {
        grid-template-columns: 1fr !important;
    }
}
 .clock-container {
    font-family: 'Courier New', Courier, monospace;
    background-color: #222222;
    color: #ffffff;
    padding: 20px 30px;
    border-radius: 10px;
    display: inline-block;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  }
  .digital-date {
    font-size: 1.1rem;
    color: #a0a0a0;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .digital-clock {
    font-size: 3rem;
    font-weight: bold;
    color: #00ffcc; /* Bright accent color for time */
  }