/* Custom CSS for PK Innovations */

:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #0ea5e9;
    --dark-gray: #374151;
    --light-gray: #f8fafc;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
}

/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    scroll-behavior: smooth;
}

/* Section Spacing */
section {
    padding: 6rem 0 !important;
}

/* Typography */
.display-4, .display-6 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

.lead {
    font-weight: 400;
    line-height: 1.7;
}

/* Custom Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

/* Navigation */
.navbar {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95) !important;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--primary-color) !important;
}

.nav-link {
    font-weight: 500;
    color: var(--text-dark) !important;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23e2e8f0" opacity="0.5"/><circle cx="75" cy="25" r="1" fill="%23e2e8f0" opacity="0.3"/><circle cx="50" cy="50" r="1" fill="%23e2e8f0" opacity="0.4"/><circle cx="25" cy="75" r="1" fill="%23e2e8f0" opacity="0.2"/><circle cx="75" cy="75" r="1" fill="%23e2e8f0" opacity="0.6"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.fade-in-delay {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease 0.3s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Service Cards */
.service-card {
    transition: all 0.3s ease;
    border-radius: 12px;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1) !important;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--primary-color);
    font-size: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    transform: scale(1.1);
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover .service-icon::before {
    opacity: 1;
}

/* Process Flow */
.process-flow {
    position: relative;
}

.process-item {
    position: relative;
    transition: all 0.3s ease;
}

.process-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 15%;
    bottom: -30px;
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary-color), var(--accent-color));
    z-index: 0;
}

.process-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
}

.process-icon {
    width: 80px;
    height: 80px;
    background: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 2rem;
    border: 3px solid var(--primary-color);
    color: var(--primary-color);
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
}

.process-item:hover .process-number {
    transform: scale(1.1);
}

.process-item:hover .process-icon {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

/* Contact Section */
.contact-section {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
}

.contact-info-card {
    padding: 1.5rem 1rem;
    background: white;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    height: 100%;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-card-icon {
    width: 60px;
    height: 60px;
    background: white;
    border: 3px solid var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--primary-color);
    font-size: 1.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15);
    transition: all 0.3s ease;
}

.contact-info-card:hover .contact-card-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    transform: scale(1.1);
}

.contact-card-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.contact-info-card:hover .contact-card-icon::before {
    opacity: 1;
}

.contact-info .contact-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: white;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info .contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 1.5rem;
}

.contact-info a {
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: var(--primary-color) !important;
}

/* Forms */
.form-control {
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer-links a {
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white !important;
}

/* Responsive Design */
/* Section Images */
.section-image {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.services-image-container {
    height: 350px;
    overflow: hidden;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.services-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.section-image:hover {
    transform: translateY(-5px);
}

.hero-bg-image {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    z-index: 0;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 50px;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
    
    .process-item:not(:last-child)::after {
        left: 50px;
        bottom: -20px;
        height: 40px;
    }
    
    .process-number {
        width: 50px;
        height: 50px;
        font-size: 1rem;
    }
    
    .process-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .contact-info-card {
        padding: 1rem 0.75rem;
        min-height: 180px;
    }
    
    .contact-card-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .hero-bg-image {
        display: none;
    }
    
    .section-image {
        margin-bottom: 2rem;
    }
    
    .contact-info-card h5 {
        font-size: 1rem;
    }
    
    .contact-info-card p {
        font-size: 0.85rem;
    }
}

/* Scroll Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Animation */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Utility Classes */
.text-primary {
    color: var(--primary-color) !important;
}

.bg-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1.5" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
    z-index: 0;
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section .btn-light {
    background: white;
    color: var(--primary-color);
    border: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cta-section .btn-light:hover {
    background: var(--light-gray);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.shadow-primary {
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.15) !important;
}