/* Design System Tokens */
:root {
    --primary: #00265B; /* Deep Navy */
    --accent: #00AEEF;  /* Cyan */
    --accent-hover: #0088CC;
    --dark: #0a1118;
    --white: #ffffff;
    --light-bg: #f4f7fa;
    --text-main: #333333;
    --text-muted: #666666;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Global Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-main);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: var(--transition); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.flex-align { display: flex; align-items: center; justify-content: space-between; }
.flex-justify { display: flex; justify-content: space-between; gap: 20px; }
.grid { display: grid; gap: 30px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.text-center { text-align: center; }
.section-title { font-size: 2.5rem; margin-bottom: 50px; position: relative; }
.accent { color: var(--accent); }

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 174, 239, 0.4);
}

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

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

.btn-lg { padding: 15px 40px; font-size: 1.1rem; }
.btn-block { width: 100%; display: block; }

/* Top Bar */
.top-bar {
    background: #001a3d;
    color: var(--white);
    padding: 10px 0;
    font-size: 0.85rem;
}

.top-bar .social-links a { margin-left: 15px; opacity: 0.8; }
.top-bar .social-links a:hover { opacity: 1; color: var(--accent); }

/* Header */
header {
    background: var(--white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.logo { font-size: 1.5rem; font-weight: 800; letter-spacing: -1px; }
.logo span { color: var(--accent); }

#nav-menu ul { display: flex; align-items: center; gap: 30px; }
#nav-menu ul li { position: relative; }
#nav-menu ul li a:hover { color: var(--accent); }

/* Dropdown */
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: var(--shadow);
    display: block !important;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    padding: 10px 0;
    border-top: 3px solid var(--accent);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li { width: 100%; }
.dropdown li a { padding: 10px 25px; display: block; border-bottom: 1px solid #f0f0f0; }

/* Hero Section */
.hero-section {
    position: relative;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=2072&auto=format&fit=crop') center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    color: var(--white);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(0, 38, 91, 0.9), rgba(0, 38, 91, 0.7));
}

.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-content h1 { font-size: 3.5rem; margin-bottom: 25px; line-height: 1.2; }
.hero-content p { font-size: 1.2rem; margin-bottom: 35px; opacity: 0.9; }
.hero-btns { display: flex; gap: 20px; }

/* Stats Section */
.stats-section { padding: 80px 0; background: var(--light-bg); }
.stat-card {
    background: var(--white);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-10px); }
.stat-card h3 { font-size: 3rem; margin-bottom: 10px; color: var(--primary); }
.stat-card p { font-weight: 600; color: var(--text-muted); }

/* Service Section */
.services-section { padding: 100px 0; }
.service-card {
    padding: 50px 30px;
    border-radius: 20px;
    background: var(--white);
    border: 1px solid #eee;
    transition: var(--transition);
}

.service-card:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.service-card .icon-box {
    width: 70px;
    height: 70px;
    background: rgba(0, 174, 239, 0.1);
    color: var(--accent);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 25px;
    transition: var(--transition);
}

.service-card:hover .icon-box { background: rgba(255, 255, 255, 0.2); color: var(--white); }
.service-card h3 { margin-bottom: 15px; font-size: 1.5rem; }

/* Contact Section */
.contact-section { padding: 100px 0; background: var(--primary); color: var(--white); }
.contact-info-panel h2 { font-size: 2.8rem; margin-bottom: 20px; }
.contact-info-panel p { opacity: 0.8; margin-bottom: 40px; }

.contact-item { display: flex; align-items: flex-start; gap: 20px; margin-bottom: 30px; }
.contact-item i { font-size: 1.5rem; color: var(--accent); background: rgba(255,255,255,0.1); padding: 15px; border-radius: 50%; }
.contact-item h4 { margin-bottom: 5px; }

.contact-form-panel { background: var(--white); padding: 50px; border-radius: 20px; color: var(--text-main); }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(0, 174, 239, 0.1); }
.form-status { margin-top: 15px; font-weight: 600; text-align: center; }

/* Footer */
.main-footer { background: #071529; color: var(--white); padding: 80px 0 0; }
.footer-brand h3 { font-size: 1.5rem; margin-bottom: 20px; }
.footer-brand h3 span { color: var(--accent); }
.footer-links h4, .footer-contact h4 { font-size: 1.2rem; margin-bottom: 25px; position: relative; padding-bottom: 10px; }
.footer-links h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent);
}

.footer-links ul li { margin-bottom: 12px; opacity: 0.7; }
.footer-links ul li a:hover { opacity: 1; color: var(--accent); padding-left: 5px; }

.newsletter-form { position: relative; margin-top: 20px; }
.newsletter-form input {
    background: rgba(255,255,255,0.05);
    border: none;
    padding: 15px;
    width: 100%;
    border-radius: 10px;
    color: white;
}

.newsletter-form button {
    position: absolute;
    right: 5px;
    top: 5px;
    bottom: 5px;
    background: var(--accent);
    border: none;
    width: 45px;
    border-radius: 8px;
    color: white;
    cursor: pointer;
}

.footer-bottom { padding: 30px 0; border-top: 1px solid rgba(255,255,255,0.05); margin-top: 80px; }

/* Widgets */
.whatsapp-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.whatsapp-widget i {
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    font-size: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 968px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    #nav-menu { display: none; } /* Simplified for this demo */
    .hero-content h1 { font-size: 2.5rem; }
}

@media (max-width: 576px) {
    .grid-4, .grid-3 { grid-template-columns: 1fr; }
    .flex-justify { flex-direction: column; text-align: center; }
    .top-bar .social-links { display: none; }
}

/* Services Page Specific Styles */
.services-hero {
    padding: 120px 0;
    background: linear-gradient(rgba(0, 38, 91, 0.05), rgba(0, 38, 91, 0.02));
    border-bottom: 1px solid #efefef;
}

.services-hero h1 { font-size: 3rem; margin-bottom: 25px; }
.services-hero p { font-size: 1.25rem; max-width: 800px; margin: 0 auto 35px; color: var(--text-muted); }

/* Matrix Section */
.matrix-section { padding: 100px 0; background: #fff; }
.matrix-container { gap: 50px; align-items: flex-start; }

.matrix-sidebar {
    flex: 1;
    background: var(--primary);
    border-radius: 20px;
    overflow: hidden;
    color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 120px;
}

.sidebar-header { padding: 40px 30px; background: rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.1); }
.sidebar-header h2 { font-size: 1.5rem; line-height: 1.3; }

.tab-list { padding: 20px 0; }
.tab-item {
    padding: 18px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.tab-item:last-child { border-bottom: none; }
.tab-item:hover, .tab-item.active { background: var(--accent); color: white; }
.tab-item.active i { transform: rotate(0deg); }
.tab-item:not(.active) i { opacity: 0.5; }

.matrix-content { flex: 2; min-height: 600px; }
.tab-content { display: none; animation: fadeIn 0.5s ease; }
.tab-content.active { display: block; }

.tab-content h3 { font-size: 2.2rem; margin-bottom: 20px; color: var(--primary); }
.tab-content > p { font-size: 1.1rem; margin-bottom: 40px; color: var(--text-muted); }

/* Accordions */
.accordions { border-top: 2px solid var(--accent); }
.accordion { border-bottom: 1px solid #eee; }
.accordion-header {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    color: var(--primary);
}

.accordion-body {
    padding-bottom: 25px;
    color: var(--text-muted);
    font-size: 1rem;
    display: none;
}

.accordion.active .accordion-header { color: var(--accent); }
.accordion.active .accordion-body { display: block; }

/* Why Choose Us Section */
.why-choose-section { padding: 100px 0; background: var(--light-bg); }
.why-choose-image { flex: 1; position: relative; }
.why-choose-image img { width: 100%; border-radius: 20px; box-shadow: var(--shadow); }
.why-choose-text { flex: 1; padding-left: 50px; }
.why-choose-text h2 { font-size: 2.5rem; margin-bottom: 30px; }
.why-choose-text p { margin-bottom: 20px; font-size: 1.05rem; color: var(--text-muted); }

/* Services Contact form */
.services-contact { padding: 100px 0; }
.container-dark {
    background: var(--primary);
    color: white;
    padding: 80px 50px;
    border-radius: 30px;
}

.container-dark h2 { font-size: 2.3rem; margin-bottom: 50px; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
.container-dark input, .container-dark textarea {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    width: 100%;
    padding: 18px;
    border-radius: 12px;
    margin-bottom: 10px;
    outline: none;
    font-family: inherit;
}
.container-dark input::placeholder, .container-dark textarea::placeholder { color: rgba(255,255,255,0.6); }

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

@media (max-width: 1024px) {
    .matrix-container { flex-direction: column; }
    .matrix-sidebar { position: static; width: 100%; }
    .why-choose-text { padding-left: 0; margin-top: 50px; }
    .form-grid { grid-template-columns: 1fr; }
}