/* Custom CSS for SD Technology Website */

/* Form Loading States */
.form-loading {
    position: relative;
    opacity: 0.7;
    pointer-events: none;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(1px);
    z-index: 10;
}

.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading .fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Page Loading Overlay */
#page-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(3px);
}

.page-loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-loading-spinner .spinner {
    width: 60px;
    height: 60px;
    border: 5px solid #e5e7eb;
    border-top: 5px solid hsl(var(--primary));
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

.page-loading-spinner .loading-text {
    color: hsl(var(--dark));
    font-size: 18px;
    font-weight: 500;
    margin: 0;
}

/* Button loading states for redirections */
.btn-redirect-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn-redirect-loading .btn-text {
    opacity: 0.7;
}

.btn-redirect-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

:root {
    --primary: 210 86% 55%;
    /* #2563EB */
    --primary-dark: 210 86% 45%;
    /* #1E40AF */
    --secondary: 210 11% 98%;
    /* #F5F7FA */
    --dark: 210 11% 15%;
    /* #1F2937 */
    --light: 0 0% 100%;
    /* #FFFFFF */
    --muted: 210 11% 60%;
    /* #6B7280 */
    --success: 142 76% 36%;
    /* #059669 */
    --warning: 45 93% 47%;
    /* #D97706 */
    --danger: 0 84% 60%;
    /* #DC2626 */
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: hsl(var(--dark));
}

/* Custom Bootstrap Color Classes */
.bg-primary {
    background-color: hsl(var(--primary)) !important;
}

.text-primary {
    color: hsl(var(--primary)) !important;
}

.btn-primary {
    background-color: hsl(var(--primary));
    border-color: hsl(var(--primary));
    color: hsl(var(--light));
}

.btn-primary:hover {
    background-color: hsl(var(--primary-dark));
    border-color: hsl(var(--primary-dark));
}

.btn-outline-primary {
    color: hsl(var(--primary));
    border-color: hsl(var(--primary));
}

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

/* Navigation */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: hsl(var(--primary));
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-dark)));
    min-height: 100vh;
    display: flex;
    align-items: center;
    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="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-illustration {
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

/* Page Headers */
.page-header {
    background: linear-gradient(135deg, hsl(var(--primary)), hsl(var(--primary-dark)));
    padding: 8rem 0 4rem;
    margin-top: 80px;
}

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

/* Animations */
.fade-in {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease-out 0.6s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Service Cards */
.service-card {
    background: hsl(var(--light));
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--secondary));
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: hsl(var(--primary) / 0.2);
}

.service-detail-card {
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--secondary));
}

.service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-icon {
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

/* Feature Items */
.feature-item {
    transition: all 0.3s ease;
    padding: 1rem;
    border-radius: 8px;
}

.feature-item:hover {
    background-color: hsl(var(--secondary));
    transform: translateX(10px);
}

/* Value Cards */
.value-card {
    transition: all 0.3s ease;
    padding: 2rem 1rem;
    border-radius: 10px;
}

.value-card:hover {
    background-color: hsl(var(--secondary));
    transform: translateY(-5px);
}

.value-icon {
    transition: transform 0.3s ease;
}

.value-card:hover .value-icon {
    transform: scale(1.1);
}

/* Process Steps */
.process-step {
    position: relative;
    padding: 2rem 1rem;
}

.process-icon {
    position: relative;
    display: inline-block;
}

.process-number {
    position: absolute;
    top: -10px;
    right: -10px;
    background: hsl(var(--primary));
    color: hsl(var(--light));
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

/* Contact Form */
.contact-form {
    background: hsl(var(--light));
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-control {
    border: 2px solid hsl(var(--secondary));
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: hsl(var(--primary));
    box-shadow: 0 0 0 0.2rem hsl(var(--primary) / 0.25);
}

.form-label {
    font-weight: 600;
    color: hsl(var(--dark));
    margin-bottom: 0.5rem;
}

/* Contact Info */
.contact-item {
    padding: 1.5rem;
    background: hsl(var(--light));
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Mission & Vision Cards */
.mission-card,
.vision-card {
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--secondary));
}

.mission-card:hover,
.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: hsl(var(--primary) / 0.2);
}

/* Team Overview */
.team-overview {
    transition: all 0.3s ease;
    border: 1px solid hsl(var(--secondary));
}

.team-overview:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: hsl(var(--primary) / 0.2);
}

/* Accordion */
.accordion-button {
    font-weight: 600;
    color: hsl(var(--dark));
}

.accordion-button:not(.collapsed) {
    background-color: hsl(var(--primary) / 0.1);
    color: hsl(var(--primary));
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.2rem hsl(var(--primary) / 0.25);
}

/* Tech Stack Badges */
.badge {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
    font-weight: 500;
}

.badge.bg-light {
    color: hsl(var(--dark)) !important;
    border: 1px solid hsl(var(--secondary));
}

/* Footer */
footer {
    background-color: hsl(var(--dark)) !important;
}

footer .text-muted {
    color: hsl(var(--muted)) !important;
}

footer a:hover {
    color: hsl(var(--primary)) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding: 2rem 0;
        min-height: auto;
    }

    .display-4 {
        font-size: 2rem;
    }

    .display-5 {
        font-size: 1.75rem;
    }

    .display-6 {
        font-size: 1.5rem;
    }

    .page-header {
        padding: 6rem 0 3rem;
    }

    .service-detail-card {
        margin-bottom: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Utility Classes */
.min-vh-100 {
    min-height: 100vh;
}

.opacity-75 {
    opacity: 0.75;
}

.text-decoration-none {
    text-decoration: none !important;
}

/* Loading Animation */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: hsl(var(--secondary));
}

::-webkit-scrollbar-thumb {
    background: hsl(var(--primary));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: hsl(var(--primary-dark));
}

/* Technical Partnerships Banner */
.partner-logo-container {
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    min-height: 100px;
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.partner-logo-container:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15) !important;
    border-color: rgba(0, 123, 255, 0.2);
}

.partner-logo-container i {
    transition: all 0.3s ease;
}

.partner-logo-container:hover i {
    transform: scale(1.1);
}

/* Partnership section background */
.partnerships-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.partnerships-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="50" cy="50" r="0.5" fill="%23000000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

/* Partner badges animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.partner-logo-container {
    animation: fadeInUp 0.6s ease forwards;
}

.partner-logo-container:nth-child(1) {
    animation-delay: 0.1s;
}

.partner-logo-container:nth-child(2) {
    animation-delay: 0.2s;
}

.partner-logo-container:nth-child(3) {
    animation-delay: 0.3s;
}

.partner-logo-container:nth-child(4) {
    animation-delay: 0.4s;
}

/* Responsive partnerships */
@media (max-width: 768px) {
    .partner-logo-container {
        margin-bottom: 1rem;
        min-height: 80px;
    }

    .partner-logo-container i {
        font-size: 1.5rem !important;
    }
}

/* Partnership Cards Styling */
.partnership-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
}

.partnership-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1) !important;
    border-color: rgba(0, 123, 255, 0.3);
}

.partnership-icon i {
    transition: all 0.3s ease;
}

.partnership-card:hover .partnership-icon i {
    transform: scale(1.1) rotate(5deg);
}

.partnership-benefits {
    border-left: 4px solid var(--bs-primary);
}

.partnership-benefits i {
    transition: all 0.3s ease;
}

.partnership-benefits:hover i {
    transform: scale(1.1);
}

/* Enhanced partnership section animations */
@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.partnership-card:nth-child(1) {
    animation: slideInFromLeft 0.8s ease forwards;
    animation-delay: 0.2s;
    opacity: 0;
}

.partnership-card:nth-child(2) {
    animation: fadeInUp 0.8s ease forwards;
    animation-delay: 0.4s;
    opacity: 0;
}

.partnership-card:nth-child(3) {
    animation: slideInFromRight 0.8s ease forwards;
    animation-delay: 0.6s;
    opacity: 0;
}