/* =========================================
   DESIGN SYSTEM & VARIABLES
   ========================================= */
:root {
    /* Colors based on reference image */
    --color-primary-dark: #1E3A5F; /* Dark Slate Blue from shield */
    --color-primary: #203F63; /* Shield color */
    --color-secondary: #10B981; /* Emerald Green */
    --color-secondary-hover: #059669;
    
    --color-text-main: #333333;
    --color-text-light: #666666;
    --color-text-white: #FFFFFF;
    --color-text-gold: #10B981; /* Emerald Green used for highlights */
    
    --color-bg-light: #F8F9FA;
    --color-bg-white: #FFFFFF;
    --color-bg-dark: #121212;
    
    --color-border: #E0E0E0;
    --color-subnav-bg: rgba(15, 42, 85, 0.85); /* Semi-transparent dark blue */

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --container-max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Effects */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.15);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* =========================================
   RESET & BASE STYLES
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-bg-white);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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

ul {
    list-style: none;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.text-center { text-align: center; }
.bg-light { background-color: var(--color-bg-light); }
.bg-dark { background-color: var(--color-primary-dark); }
.text-white { color: var(--color-text-white); }
.highlight { color: var(--color-secondary); }
.highlight-gold { color: var(--color-text-gold); }

/* =========================================
   TOP BAR
   ========================================= */
.top-bar {
    background-color: var(--color-primary-dark);
    color: var(--color-text-white);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.contact-info span {
    margin-right: 20px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.contact-info i {
    color: var(--color-secondary);
}

.top-link {
    margin-left: 15px;
    opacity: 0.8;
}

.top-link:hover {
    opacity: 1;
    color: var(--color-secondary);
}

/* =========================================
   MAIN NAVIGATION
   ========================================= */
.navbar {
    background-color: rgba(7, 19, 40, 0.95); /* Deep navy, slightly transparent */
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
    background-color: rgba(7, 19, 40, 1);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-white);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    color: var(--color-text-white);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.search-icon, .language-selector {
    color: var(--color-text-white);
    cursor: pointer;
    font-weight: 500;
}

.search-icon:hover, .language-selector:hover {
    color: var(--color-secondary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #fff;
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    z-index: 1;
    border-radius: 4px;
    top: 100%;
    left: 0;
    padding: 10px 0;
}

.dropdown:hover .dropdown-content {
    display: block;
    animation: fadeIn 0.3s ease;
}

.dropdown-content a {
    color: var(--color-text-main);
    padding: 10px 20px;
    display: block;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--color-bg-light);
}

.dropdown-content a:hover {
    background-color: var(--color-bg-light);
    color: var(--color-primary);
    padding-left: 25px; /* Micro-animation */
}

/* =========================================
   SUB NAVIGATION (Services Strip)
   ========================================= */
.sub-nav {
    background-color: var(--color-subnav-bg);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    border-top: 1px solid rgba(255,255,255,0.1);
}

.sub-nav-content {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 15px 0;
    flex-wrap: wrap;
}

.sub-nav-content a {
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sub-nav-content a:hover {
    color: var(--color-secondary);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-image: url('assets/world_map_bg.png'); /* World Map Background */
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(7, 19, 40, 0.9) 0%, rgba(7, 19, 40, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    color: var(--color-text-white);
    padding: var(--spacing-xl) var(--spacing-sm);
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-shadow: 2px 4px 10px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    max-width: 600px;
}

.hero-subtitle strong {
    font-weight: 600;
    color: var(--color-text-white);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: all var(--transition-normal);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(246, 201, 14, 0.4);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-white);
    border: 2px solid var(--color-text-white);
    margin-left: 15px;
}

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

/* =========================================
   SERVICES SECTION
   ========================================= */
.services-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-primary-dark);
}

.bg-dark .section-header h2 {
    color: var(--color-text-white);
}

.section-header p {
    color: var(--color-text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-bg-white);
    border-radius: 8px;
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border-top: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
    border-top-color: var(--color-secondary);
}

.card-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(15, 42, 85, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

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

.service-card h3 {
    font-size: 1.4rem;
    color: var(--color-primary-dark);
    margin-bottom: 15px;
}

.service-list li {
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--color-text-light);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.service-list li i {
    color: var(--color-secondary);
    margin-top: 4px;
    font-size: 0.8rem;
}

/* =========================================
   PLACEHOLDERS & FOOTER
   ========================================= */
.placeholder-section {
    padding: var(--spacing-xl) 0;
}

.footer {
    background-color: var(--color-primary-dark);
    color: rgba(255,255,255,0.6);
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* =========================================
   FLOATING WHATSAPP
   ========================================= */
.fab-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: transform var(--transition-fast);
}

.fab-whatsapp:hover {
    transform: scale(1.1);
}

/* =========================================
   RESPONSIVE DESIGN
   ========================================= */
@media (max-width: 992px) {
    .hero-title { font-size: 3.5rem; }
    .nav-links { display: none; } /* Would implement mobile menu logic in JS */
    .mobile-menu-btn { display: block; }
    .top-bar { display: none; }
    .sub-nav-content { display: none; }
}

@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .btn-secondary { margin-left: 0; margin-top: 15px; display: block; }
}

/* Keyframes */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}