/* Variables */
:root {
    /* Colors - Navy Blue & Teal Theme */
    --primary: #1e3a8a;
    --primary-dark: #1e40af;
    --accent: #0891b2;
    --accent-hover: #06b6d4;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-light: #ffffff;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    --gradient-accent: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --gradient-main: linear-gradient(180deg, #011216 10%, #f8fafc 90%);
    --gradient-hero: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(8, 145, 178, 0.9) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-accent: 0 10px 30px -10px rgba(8, 145, 178, 0.4);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

/* Navbar */
.navbar {
    padding: 1.25rem 0;
    transition: var(--transition);
    background: transparent;
    
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
   
    color: var(--text-light);
    
    font-family: 'Poppins', sans-serif;
}

.navbar-brand:hover {
    color: var(--accent);
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
}
.navbar.scrolled .navbar-brand,
.navbar.scrolled .nav-link {
    color: var(--text-dark);
}
.nav-link:hover {
    color: var(--accent);
}

.navbar-toggler {
    border: none;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: var(--transition);
    border: none;
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-gradient {
    background: var(--gradient-accent);
    color: white;
    box-shadow: var(--shadow-accent);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px -10px rgba(8, 145, 178, 0.5);
    color: white;
}

.btn-accent {
    background: var(--accent);
    color: white;
    box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    color: white;
}

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

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

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

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

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
   /* background: var(--gradient-main); */
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    /* background: var(--gradient-hero); */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    color: white;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-icon {
    width: 1.5rem;
    height: 2.5rem;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 1.25rem;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 0.5rem;
}

.scroll-icon::before {
    content: '';
    width: 0.25rem;
    height: 0.75rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 0.125rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* Section Styling */
.section-padding {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* About Section */
.about-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.about-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-accent);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-accent);
}

.about-icon svg {
    width: 2rem;
    height: 2rem;
    color: white;
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.about-card p {
    color: var(--text-muted);
    line-height: 1.8;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-weight: 500;
}

/* Service Cards */
.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-accent);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-accent);
}

.service-icon svg {
    width: 2rem;
    height: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

/* Project Cards */
.project-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    height: 100%;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.project-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--gradient-accent);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-accent);
}

.project-icon svg {
    width: 1.75rem;
    height: 1.75rem;
    color: white;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.project-card p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.badge-outline {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.quote-icon {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    color: var(--accent);
    opacity: 0.2;
}

.rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.star-filled {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--accent);
    fill: var(--accent);
}

.testimonial-text {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.author-name {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.author-role {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.author-company {
    font-size: 0.875rem;
    color: var(--accent);
    font-weight: 600;
}

/* Contact Section */
.contact-info-card,
.contact-form-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-md);
    height: 100%;
}

.contact-info-card h3,
.contact-form-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.contact-item:hover {
    transform: translateX(8px);
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    background: var(--gradient-accent);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-accent);
}

.contact-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.contact-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.contact-value {
    color: var(--text-muted);
    transition: var(--transition);
}

.contact-item a.contact-value:hover {
    color: var(--accent);
}

.social-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(8, 145, 178, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icon svg {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--accent);
}

.social-icon:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.social-icon:hover svg {
    color: white;
}

/* Form Styles */
.form-control {
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 0.2rem rgba(8, 145, 178, 0.1);
    outline: none;
}

.form-control.is-invalid {
    border-color: #dc3545;
}

.invalid-feedback {
    display: none;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

/* Footer */
.footer {
    background: var(--primary);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
}

.footer-text {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer-heading {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
}

.footer-copyright,
.footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-link:hover {
    color: var(--accent);
}

/* Background Classes */
.bg-light {
    background: var(--bg-light);
}

/* Responsive */
@media (max-width: 991.98px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 4rem 0;
    }
}

@media (max-width: 767.98px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Alert Styles */
.alert {
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}