/* =========================================
   Light Corporate Design System
   ========================================= */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
    /* Bright Corporate Color Palette */
    --primary: #0F4C81;        /* Classic Corporate Navy Blue */
    --primary-light: #2563EB;  /* Vibrant Blue for buttons/links */
    --secondary: #0ea5e9;      /* Bright Cerulean Accent */
    --accent: #F59E0B;         /* Amber Accent */
    
    --dark-bg: #1E293B;        /* Slate 800 - Used for Footer */
    --darker-bg: #0F172A;      /* Slate 900 */
    --light-bg: #F1F5F9;       /* Slate 100 - Very light grey for section contrast */
    --surface: #FFFFFF;        /* Pure White */
    
    --text-main: #0F172A;      /* Slate 900 - High Contrast Text */
    --text-light: #475569;     /* Slate 600 - Medium Text */
    --text-muted: #64748B;     /* Slate 500 - Low Contrast Text */
    
    --border-light: #E2E8F0;   /* Slate 200 */
    --border-dark: rgba(15, 23, 42, 0.1);
    
    /* Advanced Gradients */
    --gradient-corporate: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary) 100%);
    --gradient-light: linear-gradient(145deg, #F8FAFC 0%, #F1F5F9 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
    
    /* High-End Shadows */
    --shadow-subtle: 0 4px 20px -2px rgba(15, 76, 129, 0.05);
    --shadow-elevated: 0 10px 30px -5px rgba(15, 76, 129, 0.1);
    --shadow-float: 0 20px 40px -10px rgba(15, 76, 129, 0.15);
    --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.2);
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--surface);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* =========================================
   Typography & Utilities
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-main);
    letter-spacing: -0.02em;
}

.text-gradient {
    background: var(--gradient-corporate);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section { padding: 7rem 0; }

.section-subtitle {
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.text-center { text-align: center; }
.bg-light { background-color: var(--light-bg); }
.bg-dark { background-color: var(--dark-bg); color: var(--surface); }
.bg-dark .section-title { color: var(--surface); }
.text-white { color: var(--surface); }

/* Premium Corporate Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 6px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: var(--transition-smooth);
    gap: 0.6rem;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--gradient-corporate);
    color: var(--surface);
    box-shadow: var(--shadow-subtle);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
    background: var(--gradient-accent);
    color: var(--surface);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

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

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

/* =========================================
   Navbar - Sleek Light Glassmorphism
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-subtle);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -0.5px;
}

.logo i { color: var(--secondary); font-size: 1.6rem; }
.logo span { color: var(--text-main); font-weight: 400; }

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

.nav-links a {
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-smooth);
}

.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.dropdown-toggle i {
    font-size: 0.75rem;
    margin-left: 6px;
    transition: var(--transition-fast);
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--surface);
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    z-index: 100;
    margin-top: 10px;
}

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

.dropdown-menu a {
    padding: 0.75rem 1.5rem !important;
    color: var(--text-light) !important;
    font-weight: 500 !important;
    width: 100%;
}

.dropdown-menu a::after {
    display: none !important;
}

.dropdown-menu a:hover {
    color: var(--primary) !important;
    background: var(--light-bg);
    padding-left: 1.75rem !important; /* Slight indent on hover */
}

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

/* =========================================
   Hero Section - Bright & Professional
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 0 120px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg .slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 30;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(15, 76, 129, 0.2);
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.dot.active {
    background: var(--primary);
    transform: scale(1.2);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.4) 100%);
    z-index: 5;
}

.hero-bg .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    z-index: 1;
    display: flex;
    align-items: center;
}

.hero-bg .slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    width: 100%;
}

.hero-text {
    max-width: 950px;
    margin: 0 auto;
}

.hero-text h1 {
    font-size: 4.5rem;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    font-weight: 800;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin: 0 auto 2.5rem;
    max-width: 750px;
    font-weight: 400;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
}

/* =========================================
   About Section
   ========================================= */
.about {
    background-color: var(--surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-light);
}

.about-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.about-image:hover img { transform: scale(1.03); }

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--surface);
    color: var(--primary);
    padding: 2rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-float);
    border-left: 4px solid var(--secondary);
    z-index: 2;
}

.experience-badge .number {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    line-height: 1;
    background: var(--gradient-corporate);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.experience-badge .text {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    margin-top: 0.5rem;
    color: var(--text-main);
}

.about-content .lead-text {
    font-size: 1.35rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
}

.vision-mission {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.vm-card {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 8px;
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

.vm-card:hover {
    transform: translateX(10px);
    background: var(--surface);
    box-shadow: var(--shadow-subtle);
    border-color: var(--primary-light);
}

.vm-card .icon {
    width: 55px;
    height: 55px;
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.vm-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

/* =========================================
   Services / Core Solutions Section
   ========================================= */
.services {
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.service-card {
    background: var(--surface);
    padding: 3rem 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-corporate);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-float);
    border-color: transparent;
}

.service-card:hover::after { width: 100%; }

.service-icon {
    width: 65px;
    height: 65px;
    background: var(--light-bg);
    color: var(--primary-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    transition: var(--transition-smooth);
    border: 1px solid var(--border-light);
}

.service-card:hover .service-icon {
    background: var(--gradient-corporate);
    color: var(--surface);
    border-color: transparent;
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 1rem;
}

/* =========================================
   Advanced Tech Section
   ========================================= */
.tech-section {
    background-color: var(--surface);
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.tech-list {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.tech-list li {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 8px;
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

.tech-list li:hover {
    background: var(--surface);
    box-shadow: var(--shadow-subtle);
    border-color: var(--secondary);
}

.tech-list i {
    color: var(--primary-light);
    font-size: 1.75rem;
    background: rgba(37, 99, 235, 0.1);
    padding: 1rem;
    border-radius: 8px;
}

.tech-list strong {
    display: block;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 1.15rem;
    margin-bottom: 0.4rem;
}

.tech-list span {
    color: var(--text-light);
    font-size: 0.95rem;
}

.tech-image {
    position: relative;
    border-radius: 8px;
}

.tech-image img {
    border-radius: 8px;
    box-shadow: var(--shadow-float);
    border: 1px solid var(--border-light);
}

/* Floating Light Cards */
.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    padding: 1.25rem 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow-elevated);
    border: 1px solid var(--border-light);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-main);
    animation: float 5s ease-in-out infinite;
}

.floating-card i { color: var(--secondary); font-size: 1.25rem; }

.floating-card.top-left {
    top: 30px;
    left: -40px;
    animation-delay: 0s;
}

.floating-card.bottom-right {
    bottom: 30px;
    right: -40px;
    animation-delay: 2.5s;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

/* =========================================
   Why Us Section (Light Theme)
   ========================================= */
.why-us {
    background: var(--light-bg);
    position: relative;
    overflow: hidden;
    border-top: 1px solid var(--border-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.feature-box {
    background: var(--surface);
    border: 1px solid var(--border-light);
    padding: 3rem 2rem;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-subtle);
}

.feature-box:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-elevated);
}

.icon-wrapper {
    width: 75px;
    height: 75px;
    background: var(--light-bg);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-light);
    margin: 0 auto 2rem;
    transition: var(--transition-smooth);
}

.feature-box:hover .icon-wrapper {
    background: var(--gradient-corporate);
    color: var(--surface);
    border-color: transparent;
}

.feature-box h3 {
    font-size: 1.25rem;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.feature-box p { color: var(--text-light); font-size: 0.95rem; }

/* =========================================
   Industries Section
   ========================================= */
.industries {
    background-color: var(--surface);
}

.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    justify-content: center;
    margin-top: 4rem;
}

.tag {
    background: var(--light-bg);
    color: var(--text-main);
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-smooth);
    cursor: pointer;
}

.tag i { color: var(--primary-light); font-size: 1.2rem; }

.tag:hover {
    background: var(--gradient-corporate);
    color: var(--surface);
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: var(--shadow-elevated);
}

.tag:hover i { color: var(--surface); }

/* =========================================
   Footer - Dark Corporate Anchor
   ========================================= */
.footer {
    background: var(--dark-bg);
    color: var(--surface);
    padding-top: 6rem;
    border-top: 4px solid var(--primary-light);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-about .logo {
    color: var(--surface);
}

.footer-about .logo span {
    color: var(--secondary);
}

.footer-about p {
    color: var(--text-muted);
    margin: 1.5rem 0 2rem;
    font-size: 1rem;
    line-height: 1.8;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: var(--transition-smooth);
    color: var(--surface);
}

.social-links a:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
    transform: translateY(-3px);
}

.footer-links h3, .footer-contact h3 {
    margin-bottom: 2rem;
    font-size: 1.2rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--surface);
}

.footer-links ul li { margin-bottom: 1rem; }

.footer-links ul a {
    color: var(--text-muted);
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.footer-links ul a:hover {
    color: var(--secondary);
    padding-left: 8px;
}

.footer-contact ul li {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    align-items: flex-start;
    font-size: 0.95rem;
}

.footer-contact ul i {
    color: var(--secondary);
    font-size: 1.2rem;
    margin-top: 0.2rem;
}

.footer-bottom {
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

/* =========================================
   Animations
   ========================================= */
.reveal-up, .reveal-left, .reveal-right, .fade-in-up {
    opacity: 0;
    transition: all 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.fade-in-up { transform: translateY(30px); }

.active.reveal-up, 
.active.reveal-left, 
.active.reveal-right, 
.active.fade-in-up {
    opacity: 1;
    transform: translate(0);
}

/* =========================================
   Responsive Design
   ========================================= */
@media (max-width: 1024px) {
    .hero-text h1 { font-size: 3.5rem; }
    .about-grid, .tech-grid { grid-template-columns: 1fr; gap: 4rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .floating-card { display: none; }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--surface);
        flex-direction: column;
        padding: 2.5rem;
        gap: 2rem;
        box-shadow: var(--shadow-elevated);
        clip-path: circle(0% at 100% 0);
        transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        border-bottom: 1px solid var(--border-light);
    }

    .nav-links.active {
        clip-path: circle(150% at 100% 0);
    }

    .nav-links a { color: var(--text-main); font-size: 1.1rem; }
    .navbar .btn-primary { display: none; }
    .mobile-toggle { display: block; color: var(--text-main); }
    
    .hero-text h1 { font-size: 2.8rem; }
    .hero-buttons { flex-direction: column; }
    .section { padding: 5rem 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .experience-badge { right: 0; bottom: 0; border-radius: 8px 0 8px 0; }
}