/*
 * Shishira Softbiz - Multi-Color Gradient Design
 * 
 * New Color Palette - Multi-Color with Gradients:
 * - Primary: Electric Blue to Purple gradient
 * - Secondary: Orange to Pink gradient  
 * - Accent: Green to Teal gradient
 * - Background: Deep purples and blues
 * - Text: White and dark colors for contrast
 */

/* Import Inter font family */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* Root variables for multi-color theming */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --success-gradient: linear-gradient(135deg, #81ffef 0%, #f067b4 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    --hero-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --card-gradient: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --text-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Global styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    scroll-behavior: smooth;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
}

/* Multi-Color Gradient Classes */
.bg-navy-900 { 
    background: var(--dark-gradient);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}
.bg-navy-700 { 
    background: linear-gradient(135deg, #3498db 0%, #2c3e50 100%);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.2);
}
.bg-navy-100 { 
    background: linear-gradient(135deg, #ecf0f1 0%, #bdc3c7 100%);
}
.bg-gold-400 { 
    background: var(--secondary-gradient);
    box-shadow: 0 8px 25px rgba(245, 87, 108, 0.3);
}
.bg-gold-500 { 
    background: var(--primary-gradient);
    box-shadow: 0 10px 30px rgba(118, 75, 162, 0.4);
}
.bg-gold-600 { 
    background: var(--accent-gradient);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.3);
}
.bg-off-white { 
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.text-navy-900 { 
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}
.text-navy-700 { color: #34495e; }
.text-navy-100 { color: #7f8c8d; }
.text-gold-400 { 
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-gold-500 { 
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-gold-600 { 
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.text-off-white { color: #ffffff; }

.border-navy-100 { border-color: rgba(189, 195, 199, 0.5); }
.border-gold-500 { border-color: rgba(102, 126, 234, 0.5); }

.hover\:bg-gold-500:hover { 
    background: var(--primary-gradient);
    box-shadow: 0 15px 40px rgba(118, 75, 162, 0.5);
    transform: translateY(-3px);
}
.hover\:bg-gold-600:hover { 
    background: var(--accent-gradient);
    box-shadow: 0 15px 40px rgba(79, 172, 254, 0.4);
}
.hover\:text-gold-500:hover { 
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hover\:text-navy-900:hover { color: #2c3e50; }
.hover\:border-gold-500:hover { border-color: rgba(102, 126, 234, 0.8); }

.focus\:border-gold-500:focus { border-color: #667eea; }
.focus\:ring-gold-500:focus { --tw-ring-color: rgba(102, 126, 234, 0.5); }

/* Font family utility */
.font-inter { font-family: 'Inter', sans-serif; }

/* Hero Section - Multi-Color Background */
.hero-section {
    min-height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    background: var(--hero-gradient);
    background-size: 400% 400%;
    animation: gradientShift 8s ease-in-out infinite;
    will-change: transform;
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.2);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    25% { background-position: 50% 0%; }
    50% { background-position: 100% 50%; }
    75% { background-position: 50% 100%; }
}

/* Apple-style Animation States */
.hero-title, 
.hero-subtitle, 
.hero-buttons,
.section-title,
.section-subtitle,
.course-card,
.solution-block,
.about-content,
.about-visual,
.about-value,
.contact-form,
.contact-info,
.contact-item,
.form-group {
    opacity: 0;
    will-change: transform, opacity;
    transition: opacity 1.2s var(--bounce), 
                transform 1.2s var(--bounce);
}

/* Enhanced entrance animations with gradients */
.hero-title { 
    transform: translateY(80px) scale(0.8); 
    transition-delay: 0.2s;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle { 
    transform: translateX(-60px) scale(0.9); 
    transition-delay: 0.5s;
}

.hero-buttons { 
    transform: translateY(40px) scale(0.7); 
    transition-delay: 0.8s;
}

.section-title { 
    transform: translateY(60px) scale(0.85); 
    transition-delay: 0.3s;
}

.section-subtitle { 
    transform: translateX(40px) scale(0.9); 
    transition-delay: 0.5s;
}

/* Course cards - different entrance directions with gradients */
.course-card:nth-child(1) { 
    transform: translateX(-100px) translateY(50px) scale(0.8); 
    transition-delay: 0.2s;
}
.course-card:nth-child(2) { 
    transform: translateY(-80px) scale(0.7); 
    transition-delay: 0.4s;
}
.course-card:nth-child(3) { 
    transform: translateY(80px) scale(0.7); 
    transition-delay: 0.6s;
}
.course-card:nth-child(4) { 
    transform: translateX(100px) translateY(50px) scale(0.8); 
    transition-delay: 0.8s;
}

/* Solution blocks with gradient backgrounds */
.solution-block:nth-child(1) { 
    transform: translateX(-120px) scale(0.6); 
    transition-delay: 0.3s;
}
.solution-block:nth-child(2) { 
    transform: translateY(-100px) scale(0.5); 
    transition-delay: 0.6s;
}
.solution-block:nth-child(3) { 
    transform: translateX(120px) scale(0.6); 
    transition-delay: 0.9s;
}

/* About section animations */
.about-content { 
    transform: translateX(-80px) scale(0.9); 
    transition-delay: 0.2s;
}

.about-visual { 
    transform: translateX(80px) scale(0.8); 
    transition-delay: 0.4s;
}

.about-value:nth-child(1) { 
    transform: translateY(60px) scale(0.8); 
    transition-delay: 0.6s;
}
.about-value:nth-child(2) { 
    transform: translateY(60px) scale(0.8); 
    transition-delay: 0.8s;
}

/* Contact form animations */
.contact-form { 
    transform: translateX(-60px) scale(0.9); 
    transition-delay: 0.2s;
}

.contact-info { 
    transform: translateX(60px) scale(0.9); 
    transition-delay: 0.4s;
}

.contact-item:nth-child(1) { 
    transform: translateY(40px) scale(0.85); 
    transition-delay: 0.6s;
}
.contact-item:nth-child(2) { 
    transform: translateY(40px) scale(0.85); 
    transition-delay: 0.7s;
}
.contact-item:nth-child(3) { 
    transform: translateY(40px) scale(0.85); 
    transition-delay: 0.8s;
}

/* Form groups staggered */
.form-group:nth-child(1) { 
    transform: translateX(-30px) scale(0.95); 
    transition-delay: 0.8s;
}
.form-group:nth-child(2) { 
    transform: translateX(30px) scale(0.95); 
    transition-delay: 0.9s;
}
.form-group:nth-child(3) { 
    transform: translateX(-30px) scale(0.95); 
    transition-delay: 1.0s;
}
.form-group:nth-child(4) { 
    transform: translateY(40px) scale(0.9); 
    transition-delay: 1.1s;
}
.form-group:nth-child(5) { 
    transform: translateY(30px) scale(0.95); 
    transition-delay: 1.2s;
}

/* Animate-in state - final position */
.animate-in {
    opacity: 1;
    transform: translateX(0) translateY(0) scale(1) !important;
}

/* Navigation enhancements with gradients */
#navbar {
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
    background: var(--dark-gradient);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.nav-link {
    position: relative;
    transition: var(--transition);
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--accent-gradient);
    transition: width 0.4s var(--bounce), left 0.4s var(--bounce);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(79, 172, 254, 0.5);
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

.nav-link:hover {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced Button Effects with Gradients */
.btn-primary,
.btn-secondary {
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    background: var(--primary-gradient);
    color: #ffffff;
    border: none;
    box-shadow: 0 8px 25px rgba(118, 75, 162, 0.3);
}

.btn-secondary {
    background: var(--secondary-gradient);
    box-shadow: 0 8px 25px rgba(245, 87, 108, 0.3);
}

.btn-primary:hover {
    background: var(--accent-gradient);
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 15px 40px rgba(79, 172, 254, 0.5);
}

.btn-secondary:hover {
    background: var(--success-gradient);
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 15px 40px rgba(129, 255, 239, 0.4);
}

/* Card hover effects with gradients and shadows */
.course-card,
.solution-block,
.about-value,
.contact-item {
    transition: transform 0.6s var(--bounce), 
                box-shadow 0.6s ease,
                background 0.4s ease;
    background: var(--card-gradient);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.course-card:hover,
.about-value:hover {
    transform: translateY(-15px) scale(1.02) rotateY(5deg);
    box-shadow: 0 25px 50px rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.1) 100%);
}

.solution-block,
.contact-item {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.2);
}

.solution-block:hover,
.contact-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(240, 147, 251, 0.3);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
}

/* Form styling enhancements with gradients */
input, textarea {
    transition: var(--transition);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

input::placeholder, textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

input:focus, textarea:focus {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
    border: 1px solid rgba(102, 126, 234, 0.8);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.2), 0 8px 25px rgba(102, 126, 234, 0.3);
    transform: scale(1.02);
}

/* Enhanced scroll indicator */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -15px, 0);
    }
    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -8px, 0);
    }
    90% {
        transform: translate3d(0,-3px,0);
    }
}

.animate-bounce {
    animation: bounce 2.5s infinite;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 4px 8px rgba(79, 172, 254, 0.5));
}

/* Floating animation for hero elements */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.hero-title.animate-in {
    animation: float 4s ease-in-out infinite;
    animation-delay: 2s;
}

/* Submit button special animation with gradient */
.submit-btn {
    position: relative;
    overflow: hidden;
    transform-origin: center;
    transition: all 0.4s var(--bounce);
    background: var(--success-gradient);
    box-shadow: 0 8px 25px rgba(129, 255, 239, 0.4);
}

.submit-btn:hover {
    transform: scale(1.05) rotate(1deg);
    box-shadow: 0 15px 40px rgba(129, 255, 239, 0.6);
    background: var(--primary-gradient);
}

.submit-btn:active {
    transform: scale(0.95);
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.submit-btn:hover::before {
    left: 100%;
}

/* Mobile responsiveness enhancements */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
        transform: translateY(60px) scale(0.9);
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        transform: translateY(40px) scale(0.95);
    }
    
    .section-title {
        font-size: 2.5rem;
        transform: translateY(40px) scale(0.9);
    }
    
    .course-card:nth-child(1),
    .course-card:nth-child(2),
    .course-card:nth-child(3),
    .course-card:nth-child(4) {
        transform: translateY(50px) scale(0.85);
    }
}

/* Custom scrollbar with gradients */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: linear-gradient(135deg, #ecf0f1 0%, #bdc3c7 100%);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gradient);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.4);
}

/* Selection styling with gradients */
::selection {
    background: var(--primary-gradient);
    color: #ffffff;
}

::-moz-selection {
    background: var(--primary-gradient);
    color: #ffffff;
}

/* Loading states */
.loading {
    opacity: 0.7;
    pointer-events: none;
    filter: grayscale(50%);
}

/* Special gradient text effects */
.gradient-text {
    background: var(--text-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientTextShift 3s ease-in-out infinite;
}

@keyframes gradientTextShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Icon gradients */
.fa-brain, .fa-chart-line, .fa-database, .fa-code,
.fa-laptop-code, .fa-chart-pie, .fa-cloud,
.fa-eye, .fa-heart, .fa-rocket,
.fa-envelope, .fa-phone, .fa-map-marker-alt {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced shadow effects */
.card-shadow {
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2),
                0 6px 20px rgba(240, 147, 251, 0.1),
                0 2px 10px rgba(79, 172, 254, 0.1);
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1),
                 0 4px 8px rgba(102, 126, 234, 0.2);
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus visible for better keyboard navigation */
.focus\:outline-none:focus-visible {
    outline: 3px solid rgba(102, 126, 234, 0.8);
    outline-offset: 2px;
    box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.2);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-gradient: linear-gradient(135deg, #000080 0%, #4B0082 100%);
        --secondary-gradient: linear-gradient(135deg, #FF4500 0%, #DC143C 100%);
        --accent-gradient: linear-gradient(135deg, #008B8B 0%, #20B2AA 100%);
    }
}