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

/* 
 * Critical Path Main Stylesheet
 * Using Tailwind CSS via CDN + custom styles
 */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Hero Gradient Background */
.hero-gradient {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Float Animation */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

/* Pulse Animation for Badges */
.badge-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* Line Clamp Utility */
.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #3b82f6;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2563eb;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}

/* Responsive Images */
img {
    max-width: 100%;
    height: auto;
}

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

/* Error State */
.error {
    border-color: #ef4444 !important;
}

.error-message {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Success State */
.success {
    border-color: #10b981 !important;
}

.success-message {
    color: #10b981;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Mobile Menu Transitions */
#mobileMenu {
    transition: all 0.3s ease;
}

/* for the burger */
/* Show/hide icons */
.menu-open .menu-open\:hidden { display: none; }
.menu-open .menu-open\:block { display: block; }

/* Rotate the whole button when open */
#mobileMenuBtn {
  transition: transform 200ms ease;
  transform-origin: center;
}
#mobileMenuBtn.menu-open {
  transform: rotate(90deg);
}



/* Dropdown Menu Hover Delay */
.group:hover .group-hover\:opacity-100 {
    transition-delay: 0.1s;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .container {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Accessibility - Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Button Loading Spinner */
.btn-loading::after {
    content: "";
    display: inline-block;
    width: 1rem;
    height: 1rem;
    margin-left: 0.5rem;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

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

/* =============================================
   Critical Path - Enhanced Homepage Styles
   Add these to your main CSS file or include separately
   ============================================= */

/* 20 Years Anniversary Badge Animation */
@keyframes pulse-slow {
    0%, 100% {
        transform: scale(1) rotate(0deg);
    }
    25% {
        transform: scale(1.03) rotate(-2deg);
    }
    50% {
        transform: scale(1.06) rotate(0deg);
    }
    75% {
        transform: scale(1.03) rotate(2deg);
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.animate-pulse-slow {
    animation: pulse-slow 4s ease-in-out infinite;
}

.animate-sparkle {
    animation: sparkle 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Glowing border effect for upcoming seminars panel */
@keyframes glow {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.6;
    }
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Custom scrollbar for seminars list */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Seminar card hover effects */
.seminar-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.seminar-card:hover {
    transform: translateX(4px) scale(1.02);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

/* Trust indicators hover animation */
.trust-indicator {
    transition: transform 0.3s ease;
}

.trust-indicator:hover {
    transform: scale(1.1);
}

/* Badge shine effect */
@keyframes shine {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.badge-shine {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.4) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shine 3s infinite;
}

/* Responsive adjustments for the 20 years badge */
@media (max-width: 768px) {
    .anniversary-badge {
        top: -1rem;
        left: auto;
        right: -0.5rem;
        transform: scale(0.85);
    }
}

@media (max-width: 640px) {
    .anniversary-badge {
        position: static;
        display: flex;
        justify-content: center;
        margin-bottom: 1rem;
        transform: scale(0.9);
    }
}

/* Color-coded seminar type indicators */
.seminar-type-pmp {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.seminar-type-capm {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

.seminar-type-prince2 {
    background: linear-gradient(135deg, #a855f7 0%, #7c3aed 100%);
}

.seminar-type-pmi-acp {
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
}

.seminar-type-pm2 {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
}

/* Starburst effect enhancement */
.starburst {
    position: relative;
    display: inline-block;
}

.starburst::before,
.starburst::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    pointer-events: none;
}

.starburst::before {
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.3) 0%, transparent 70%);
    animation: pulse-slow 2s ease-in-out infinite;
}

/* Mobile-specific optimizations */
@media (max-width: 768px) {
    .hero-gradient {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }
    
    .upcoming-seminars-mobile {
        max-height: 200px;
        overflow-y: auto;
    }
}

/* Dark mode support (if applicable) */
@media (prefers-color-scheme: dark) {
    .seminar-card {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .seminar-card:hover {
        background: rgba(255, 255, 255, 0.2);
    }
}

/* Print styles - hide decorative elements */
@media print {
    .animate-pulse-slow,
    .animate-sparkle,
    .animate-float,
    .animate-glow,
    .anniversary-badge::before,
    .anniversary-badge::after {
        animation: none;
    }
}