/* ==========================================
   1. GLOBAL RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8f9fa;
    color: #333333;
    line-height: 1.6;
}

/* ==========================================
   2. REUSABLE COMPONENTS & BUTTONS
   ========================================== */
h2 {
    text-align: center;
    font-size: 2rem;
    color: #0b2240; /* Brand Navy */
    margin-bottom: 2rem;
}

.btn-orange {
    background-color: #f28c28; /* Brand Orange */
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: background 0.3s;
}

.btn-orange:hover {
    background-color: #d9771e;
}

.btn-outline {
    background-color: transparent;
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border: 2px solid #ffffff;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s;
}

.btn-outline:hover {
    background-color: #ffffff;
    color: #0b2240;
}

/* --- Hero Button Custom Containers --- */
.button-container {
    display: flex;
    gap: 15px; 
    align-items: center;
    justify-content: center; /* Centers the button row in your Hero zone */
    margin-top: 1.5rem;
}

.btn-freight {
    background-color: #f58220; /* Matches your orange color */
    color: #ffffff;
    border: none;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: background 0.3s;
}

.btn-freight:hover {
    background-color: #d9771e;
}

.btn-whatsapp, .btn-wechat {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s;
}

.btn-whatsapp:hover, .btn-wechat:hover {
    background-color: #ffffff;
    color: #0b2240;
}

/* ==========================================
   3. NAVIGATION HEADER
   ========================================== */
header {
    background-color: #0b2240; /* Deep Navy Header */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: bold;
}

header nav a {
    color: #ffffff;
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.95rem;
    transition: color 0.3s;
}

header nav a:hover {
    color: #f28c28;
}

header nav .lang-switch {
    background-color: rgba(255,255,255,0.1);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

/* ==========================================
   4. HERO BANNER
   ========================================== */
.hero {
    background: linear-gradient(to bottom, #4f637a, #6c8299); /* Steel Blue Slate */
    color: #ffffff;
    text-align: center;
    padding: 6rem 1rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.hero .sub-services {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* ==========================================
   5. HELP SECTION (Split Grid)
   ========================================== */
.help-section {
    padding: 4rem 5%;
}

.help-container {
    display: flex;
    gap: 2rem;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

.help-card {
    background-color: #ffffff;
    flex: 1;
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.help-card h3 {
    color: #0b2240;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.help-card p {
    color: #666666;
    margin-bottom: 1.5rem;
}

.help-card ul {
    list-style: none;
}

.help-card ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #444444;
}

.help-card ul li::before {
    content: "•";
    color: #0b2240;
    font-weight: bold;
    font-size: 1.2rem;
    position: absolute;
    left: 0;
    top: -2px;
}

/* ==========================================
   6. SERVICES GRID (4 Column Row)
   ========================================== */
.services-section {
    padding: 4rem 5%;
    background-color: #f1f4f8;
}

.services-container {
    display: flex;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background-color: #ffffff;
    flex: 1;
    text-align: center;
    padding: 2rem 1.5rem;
    border-radius: 6px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03);
}

.service-card .icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h4 {
    color: #0b2240;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.service-card p {
    color: #777777;
    font-size: 0.9rem;
}

/* ==========================================
   7. WHY CHOOSE US
   ========================================== */
.features-section {
    padding: 4rem 5%;
    text-align: center;
    background-color: #ffffff;
}

.features-container {
    display: flex;
    justify-content: center;
    gap: 3rem;
    font-weight: 600;
    color: #333333;
}

/* ==========================================
   8. CALL TO ACTION (CTA)
   ========================================== */
.cta-section {
    text-align: center;
    padding: 4rem 1rem;
    background-color: #ffffff;
    border-top: 1px solid #eef2f5;
}

.cta-section h2 {
    margin-bottom: 0.5rem;
}

.cta-section p {
    color: #666666;
    margin-bottom: 1.5rem;
}

/* ==========================================
   9. FOOTER
   ========================================== */
footer {
    background-color: #0b2240; /* Dark Navy Footer */
    color: #ffffff;
    text-align: center;
    padding: 3rem 1rem;
    font-size: 0.9rem;
}

footer p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

footer strong {
    font-size: 1.1rem;
}

.footer-links {
    margin-top: 1.5rem;
}

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    margin: 0 0.5rem;
    opacity: 0.8;
}

.footer-links a:hover {
    opacity: 1;
    color: #f28c28;
}

/* ==========================================
   10. WECHAT INTERACTIVE MODAL POP-UP
   ========================================== */
.modal {
    display: none; /* Hidden by default */
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    max-width: 320px;
    width: 90%;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.5rem;
    font-weight: bold;
    color: #999999;
    text-decoration: none;
    cursor: pointer;
}

.close-btn:hover {
    color: #333333;
}

.wechat-qr {
    width: 180px;
    height: 180px;
    background-color: #eeeeee;
    margin: 1rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed #cccccc; /* Dotted preview layout box */
    font-size: 0.85rem;
    color: #666666;
}

/* Activates and opens the pop-up when clicked */
.modal:target {
    display: flex;
}

/* ==========================================
   11. MOBILE RESPONSIVENESS (Media Query)
   ========================================== */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    header nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.75rem;
    }
    
    header nav a {
        margin-left: 0;
        font-size: 0.85rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .button-container {
        flex-direction: column;
        width: 100%;
        padding: 0 1rem;
        gap: 10px;
    }
    
    .btn-freight, .btn-whatsapp, .btn-wechat {
        width: 100%; /* Stacks links beautifully into touch targets on mobile */
        text-align: center;
    }
    
    .help-container {
        flex-direction: column;
        padding: 0 1rem;
    }
    
    .services-container {
        flex-direction: column;
        padding: 0 1rem;
    }
    
    .features-container {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

/* ==========================================
   HERO BUTTONS ALIGNMENT & FIXES
   ========================================== */

/* 1. Force the buttons container to align items side-by-side */
.hero-buttons {
    display: flex;
    gap: 15px; 
    align-items: center;
    justify-content: center; /* Centers the buttons on the screen */
    margin-top: 1.5rem;
}

/* 2. Style your orange Freight button */
.btn-orange {
    background-color: #f58220; /* Brand Orange */
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: background 0.3s;
}
.btn-orange:hover {
    background-color: #d9771e;
}

/* 3. Style your transparent outline WhatsApp button */
.btn-outline {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s;
}
.btn-outline:hover {
    background-color: #ffffff;
    color: #0b2240;
}

/* 4. Style your transparent outline WeChat button */
.btn-wechat {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    transition: all 0.3s;
}
.btn-wechat:hover {
    background-color: #ffffff;
    color: #0b2240;
}

/* Mobile responsive fix for your buttons */
@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 1rem;
        gap: 10px;
    }
    .btn-orange, .btn-outline, .btn-wechat {
        width: 100%;
        text-align: center;
    }
}