/* ===================================
   Light Technologies - Custom Styles
   Modern, Soft & Eye-Friendly Design
   =================================== */

:root {
    /* Soft Modern Color Palette */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    
    /* Soft Neutrals */
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    
    /* Gradient Colors - Soft & Relaxing */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    /* --gradient-hero: linear-gradient(135deg, #a8c0ff 0%, #c5a3ff 50%, #fbc2eb 100%); */
    --gradient-hero: linear-gradient(135deg, #a8c0ff 0%, #e88c8c6e 50%, #61ff806e 100%);
    --gradient-soft: linear-gradient(135deg, #5e8a6c 0%, #8ec5fc 100%);
    --gradient-blue: linear-gradient(135deg, #89f7fe 0%, #66a6ff 100%);
    --gradient-purple: linear-gradient(135deg, #5e8a6c 0%, #a6c1ee 100%);
    --gradient-sunset: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ===================================
   Global Styles
   =================================== */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

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

/* Selection Color */
::selection {
    background: var(--primary-light);
    color: white;
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

/* ===================================
   Navbar Styles
   =================================== */

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    color: var(--text-medium) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    padding: 0.3rem 0.1rem !important;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    position: relative;
}

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

.nav-link:hover::after {
    width: 60%;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(99, 102, 241, 0.05);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    font-weight: 600;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

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

.btn-light {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.btn-light:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline-light {
    border: 2px solid rgba(30, 41, 59, 0.3);
    color: #1e293b;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-outline-light:hover {
    background: white;
    border-color: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* ===================================
   Hero Section
   =================================== */

.hero-section {
    background: var(--gradient-hero);
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10zm10 8c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm40 40c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero-section h1 {
    color: #1e293b;
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 30px rgba(255, 255, 255, 0.5);
}

.hero-section .lead {
    color: #475569;
    font-size: 1.25rem;
    line-height: 1.8;
    font-weight: 500;
}

/* ===================================
   Cards
   =================================== */

.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    background: white;
}

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

.card-img-top {
    transition: transform 0.4s ease;
}

.card:hover .card-img-top {
    transform: scale(1.05);
}

.card-body {
    padding: 2rem;
}

/* Gradient Card Hover Effect */
.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.card:hover::before {
    transform: scaleX(1);
}

/* ===================================
   Stat Cards
   =================================== */

.stat-item {
    padding: 2rem;
    border-radius: var(--radius-lg);
    background: white;
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: var(--bg-light);
    transform: translateY(-5px);
}

.stat-item h2 {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===================================
   Badges
   =================================== */

.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
}

.badge.bg-primary {
    background: var(--gradient-primary) !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%) !important;
}

.badge.bg-info {
    background: var(--gradient-blue) !important;
}

.badge.bg-warning {
    background: var(--gradient-sunset) !important;
}

/* ===================================
   Testimonial Carousel
   =================================== */

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-color: var(--primary-color);
    border-radius: 50%;
    padding: 2rem;
    filter: none;
}

.carousel-control-prev,
.carousel-control-next {
    width: 5%;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    opacity: 1;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #cbd5e1;
    padding: 4rem 0 1.5rem;
}

.footer h5, .footer h6 {
    color: white;
    font-weight: 700;
}

.footer a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer a:hover {
    color: white;
    transform: translateX(5px);
}

.footer .fab, .footer .fas {
    transition: all 0.3s ease;
}

.footer a:hover .fab,
.footer a:hover .fas {
    transform: scale(1.2);
}

/* ===================================
   Page Headers
   =================================== */

.py-5.bg-primary {
    background: var(--gradient-soft) !important;
    position: relative;
    overflow: hidden;
}

.py-5.bg-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M50 50c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10s-10-4.477-10-10 4.477-10 10-10zM10 10c0-5.523 4.477-10 10-10s10 4.477 10 10-4.477 10-10 10c0 5.523-4.477 10-10 10S0 25.523 0 20s4.477-10 10-10zm10 8c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8zm40 40c4.418 0 8-3.582 8-8s-3.582-8-8-8-8 3.582-8 8 3.582 8 8 8z' /%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.py-5.bg-primary h1,
.py-5.bg-primary .display-4 {
    color: #1e293b;
    text-shadow: 0 2px 20px rgba(255, 255, 255, 0.5);
}

.py-5.bg-primary .lead,
.py-5.bg-primary p {
    color: #475569;
}

/* ===================================
   Background Sections
   =================================== */

section[style*="background: var(--bg-light)"],
.bg-light {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%) !important;
}

/* ===================================
   Icon Boxes
   =================================== */

.bg-primary.bg-opacity-10 {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%) !important;
    border-radius: var(--radius-md);
}

.bg-success.bg-opacity-10 {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.1) 0%, rgba(56, 239, 125, 0.1) 100%) !important;
    border-radius: var(--radius-md);
}

.bg-info.bg-opacity-10 {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, rgba(0, 242, 254, 0.1) 100%) !important;
    border-radius: var(--radius-md);
}

.bg-warning.bg-opacity-10 {
    background: linear-gradient(135deg, rgba(250, 112, 154, 0.1) 0%, rgba(254, 225, 64, 0.1) 100%) !important;
    border-radius: var(--radius-md);
}

/* ===================================
   Forms
   =================================== */

.form-control, .form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

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

/* ===================================
   Accordion
   =================================== */

.accordion-item {
    border: none;
    border-radius: var(--radius-md) !important;
    margin-bottom: 1rem;
    overflow: hidden;
}

.accordion-button {
    background: white;
    color: var(--text-dark);
    font-weight: 600;
    border-radius: var(--radius-md) !important;
    padding: 1.25rem 1.5rem;
}

.accordion-button:not(.collapsed) {
    background: var(--gradient-primary);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border: none;
}

.accordion-body {
    padding: 1.5rem;
    color: var(--text-medium);
}

/* ===================================
   Modal
   =================================== */

.modal-content {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

/* ===================================
   Pagination
   =================================== */

.pagination .page-link {
    border: none;
    color: var(--text-medium);
    font-weight: 600;
    margin: 0 0.25rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.pagination .page-item.active .page-link {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
}

.pagination .page-link:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* ===================================
   Animations
   =================================== */

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

/* ===================================
   Responsive
   =================================== */

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
}

/* ===================================
   Utility Classes
   =================================== */

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-soft {
    box-shadow: var(--shadow-md) !important;
}

.rounded-custom {
    border-radius: var(--radius-lg) !important;
}

/* ===================================
   Loading Animation
   =================================== */

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}