/**
 * SashtiSoft Custom Enhancements
 * Modern, Clean, Stylish Design Improvements
 * December 2025
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Brand Colors - Simple & Elegant Palette */
    --primary-color: #2C3E50;
    --primary-dark: #1A252F;
    --primary-light: #34495E;
    --secondary-color: #7F8C8D;
    --secondary-dark: #5D6D7E;
    
    /* Neutral Colors */
    --dark-bg: #1A1A1A;
    --dark-blue: #2C3E50;
    --light-bg: #F7F9FA;
    --white: #FFFFFF;
    --text-dark: #2C3E50;
    --text-light: #6B7280;
    
    /* Accent Colors */
    --success: #27AE60;
    --warning: #F39C12;
    --danger: #E74C3C;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #2C3E50 0%, #34495E 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A1A 0%, #2C3E50 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(26,26,26,0.95) 0%, rgba(26,26,26,0.85) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.03);
    --shadow-glow: 0 0 20px rgba(44, 62, 80, 0.15);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Transitions */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* ==================== GLOBAL ENHANCEMENTS ==================== */

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

::-moz-selection {
    background: var(--primary-color);
    color: var(--white);
}

/* ==================== TYPOGRAPHY ENHANCEMENTS ==================== */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Saira', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

p {
    line-height: 1.7;
    color: var(--text-light);
}

/* ==================== MODERN NAVBAR ==================== */

.navbar {
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand h1 {
    color: var(--primary-color);
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-link {
    position: relative;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.5rem 1rem !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition-normal);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 70%;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    transform: translateY(-2px);
}

/* ==================== ENHANCED BUTTONS ==================== */

.btn {
    border-radius: var(--radius-md);
    padding: 12px 28px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: var(--transition-normal);
    border: none;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary,
.bg-primary.btn {
    background: var(--primary-color) !important;
    box-shadow: 0 2px 8px rgba(44, 62, 80, 0.15);
}

.btn-primary:hover,
.bg-primary.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(44, 62, 80, 0.2);
    background: var(--primary-dark) !important;
}

.btn-secondary {
    background: var(--gradient-dark);
    color: var(--white);
}

/* ==================== MODERN CARDS ==================== */

.card,
.service-item,
.team-item,
.project-item,
.blog-item {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    overflow: hidden;
    background: var(--white);
}

.card:hover,
.service-item:hover,
.team-item:hover,
.project-item:hover,
.blog-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card img,
.project-item img,
.blog-item img {
    transition: var(--transition-slow);
}

.card:hover img,
.project-item:hover img,
.blog-item:hover img {
    transform: scale(1.05);
}

/* ==================== HERO/PAGE HEADER ENHANCEMENT ==================== */

.page-header {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(135deg, rgba(44, 62, 80, 0.05) 0%, transparent 100%);
    pointer-events: none;
}

.page-header h1 {
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

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

/* ==================== TECHNOLOGY BADGES ENHANCEMENT ==================== */

.tech-badge {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.tech-badge:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.tech-badge img {
    filter: grayscale(20%);
    transition: var(--transition-normal);
}

.tech-badge:hover img {
    filter: grayscale(0%);
    transform: scale(1.1);
}

/* ==================== STATISTICS COUNTER ==================== */

.counter {
    position: relative;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.counter::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

.counter:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.1);
}

.counter-value {
    color: var(--primary-color);
    font-weight: 800;
}

/* ==================== SERVICES SECTION ==================== */

.service-item {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-bg) 100%);
    border-left: 4px solid transparent;
}

.service-item:hover {
    border-left-color: var(--primary-color);
}

.service-item i {
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.service-item:hover i {
    transform: scale(1.1);
}

/* ==================== TESTIMONIALS ENHANCEMENT ==================== */

.testimonial-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition-normal);
}

.testimonial-item::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 20px;
    font-size: 100px;
    color: var(--primary-color);
    opacity: 0.1;
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

/* Star Ratings */
.text-warning {
    color: #FBBF24 !important;
    filter: drop-shadow(0 2px 4px rgba(251, 191, 36, 0.3));
}

/* ==================== CONTACT FORM ENHANCEMENT ==================== */

.contact-form .form-control {
    border: 2px solid #E5E7EB;
    border-radius: var(--radius-md);
    padding: 14px 20px;
    transition: var(--transition-fast);
    background: var(--white);
}

.contact-form .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
    outline: none;
    background: var(--white);
}

.contact-form .form-control::placeholder {
    color: var(--text-light);
}

.contact-detail {
    background: linear-gradient(135deg, var(--light-bg) 0%, var(--white) 100%);
    border-radius: var(--radius-xl);
}

/* ==================== FOOTER ENHANCEMENT ==================== */

.footer {
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(127, 140, 141, 0.3) 50%, transparent 100%);
}

.footer a {
    transition: var(--transition-fast);
    position: relative;
    display: inline-block;
}

.footer a:hover {
    color: var(--text-light) !important;
    transform: translateX(3px);
}

.footer .btn-square {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.footer .btn-square:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* ==================== BLOG ENHANCEMENTS ==================== */

.blog-item {
    border-left: 4px solid transparent;
}

.blog-item:hover {
    border-left-color: var(--primary-color);
}

.blog-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ==================== PROJECT GALLERY ==================== */

.project-item {
    position: relative;
    overflow: hidden;
}

.project-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    opacity: 0;
    transition: var(--transition-normal);
}

.project-item:hover::after {
    opacity: 1;
}

.project-item .btn {
    position: relative;
    z-index: 2;
}

/* ==================== LOADING SPINNER ==================== */

#spinner .spinner-grow {
    width: 3rem;
    height: 3rem;
    background: var(--primary-color);
}

/* ==================== BACK TO TOP BUTTON ==================== */

.back-to-top {
    background: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    background: var(--primary-dark);
}

/* ==================== TOPBAR ENHANCEMENT ==================== */

.topbar {
    background: linear-gradient(90deg, var(--dark-bg) 0%, var(--dark-blue) 100%);
}

.topbar a {
    transition: var(--transition-fast);
}

.topbar a:hover {
    color: var(--secondary-color) !important;
    transform: scale(1.1);
}

/* ==================== BREADCRUMB ==================== */

.breadcrumb-item a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.breadcrumb-item a:hover {
    color: var(--white);
}

/* ==================== TEAM MEMBER CARDS ==================== */

.team-item img {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.team-item .btn-square {
    transition: var(--transition-normal);
}

.team-item:hover .btn-square {
    transform: translateY(-3px);
}

/* ==================== CUSTOM SCROLLBAR ==================== */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

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

/* ==================== RESPONSIVE ENHANCEMENTS ==================== */

@media (max-width: 768px) {
    .nav-link::after {
        display: none;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .counter {
        margin-bottom: var(--spacing-md);
    }
}

/* ==================== ANIMATIONS ==================== */

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Apply animations to sections on load */
.wow {
    visibility: hidden;
}

.wow.fadeIn {
    animation: fadeInUp 0.8s ease-out forwards;
}

/* ==================== UTILITY CLASSES ==================== */

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

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hover-lift {
    transition: var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-10px);
}

.shadow-custom {
    box-shadow: var(--shadow-xl);
}

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

.border-gradient {
    border: 2px solid var(--primary-color);
}

/* ==================== PERFORMANCE OPTIMIZATIONS ==================== */

/* GPU Acceleration for smooth animations */
.btn,
.card,
.service-item,
.team-item,
.project-item,
.blog-item,
.nav-link {
    will-change: transform;
    transform: translateZ(0);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}