/* ===== CUSTOM CSS FOR PASANTÍA UDS RINSA 2025 LANDING PAGE ===== */

/* Custom Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

@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);
    }
}

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

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

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
    }
    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.8);
    }
}

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

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #1e3a8a, #6366f1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #1e40af, #8b5cf6);
}

/* Navigation Enhancements */
#navbar {
    transition: all 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Hero Section Enhancements */
.hero-bg {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 25%, #2563eb 50%, #6366f1 75%, #8b5cf6 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Floating Elements */
.float-animation {
    animation: float 6s ease-in-out infinite;
}

.float-animation:nth-child(2) {
    animation-delay: -2s;
}

.float-animation:nth-child(3) {
    animation-delay: -4s;
}

/* Glow Effects */
.glow-effect {
    animation: glow 3s ease-in-out infinite;
}

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

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Button Enhancements */
.btn-primary {
    background: linear-gradient(135deg, #1e3a8a, #6366f1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.4);
}

/* Text Gradient Effects */
.text-gradient {
    background: linear-gradient(135deg, #1e3a8a, #6366f1, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-gradient-gold {
    background: linear-gradient(135deg, #f59e0b, #f97316, #ef4444);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section Dividers */
.section-divider {
    position: relative;
    overflow: hidden;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #6366f1, transparent);
}

/* Stats Counter Animation */
.counter {
    font-variant-numeric: tabular-nums;
}

/* Timeline Enhancements */
.timeline-item {
    position: relative;
    transition: all 0.3s ease;
}

.timeline-item:hover {
    transform: scale(1.05);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #1e3a8a, #6366f1);
    border-radius: 50%;
    z-index: 10;
}

/* Testimonial Cards */
.testimonial-card {
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #1e3a8a, #6366f1, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* FAQ Accordion */
.faq-button.active i {
    transform: rotate(180deg);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-content.active {
    max-height: 200px;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .card-hover:hover {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .bg-gradient-to-r,
    .bg-gradient-to-br,
    .bg-gradient-to-l {
        background: white !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .text-gray-600 {
        color: #374151 !important;
    }
    
    .text-gray-400 {
        color: #6b7280 !important;
    }
    
    .bg-gray-50 {
        background-color: #f9fafb !important;
    }
}

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

/* Focus Styles for Accessibility */
.focus-visible:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

/* Custom Utilities */
.backdrop-blur-strong {
    backdrop-filter: blur(20px);
}

.text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.text-shadow-lg {
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Intersection Observer Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s ease;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.6s ease;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Particle Background */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 8s infinite ease-in-out;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; animation-delay: 3s; }
.particle:nth-child(5) { left: 50%; animation-delay: 4s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 6s; }
.particle:nth-child(8) { left: 80%; animation-delay: 7s; }
.particle:nth-child(9) { left: 90%; animation-delay: 8s; }

/* Success States */
.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #10b981;
    stroke-miterlimit: 10;
    margin: 10% auto;
    box-shadow: inset 0px 0px 0px #10b981;
    animation: fill 0.4s ease-in-out 0.4s forwards, scale 0.3s ease-in-out 0.9s both;
}

.success-checkmark__circle {
    stroke-dasharray: 166;
    stroke-dashoffset: 166;
    stroke-width: 2;
    stroke-miterlimit: 10;
    stroke: #10b981;
    fill: none;
    animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.success-checkmark__check {
    transform-origin: 50% 50%;
    stroke-dasharray: 48;
    stroke-dashoffset: 48;
    animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes scale {
    0%, 100% {
        transform: none;
    }
    50% {
        transform: scale3d(1.1, 1.1, 1);
    }
}

@keyframes fill {
    100% {
        box-shadow: inset 0px 0px 0px 30px #10b981;
    }
}

/* Error States */
.error-cross {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: block;
    stroke-width: 2;
    stroke: #ef4444;
    stroke-miterlimit: 10;
    margin: 10% auto;
    box-shadow: inset 0px 0px 0px #ef4444;
    animation: fill-error 0.4s ease-in-out 0.4s forwards, scale 0.3s ease-in-out 0.9s both;
}

@keyframes fill-error {
    100% {
        box-shadow: inset 0px 0px 0px 30px #ef4444;
    }
}

/* Custom Scrollbar for specific elements */
.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #1e3a8a, #6366f1);
    border-radius: 3px;
}

/* Tooltip Styles */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 120px;
    background-color: #1f2937;
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 5px 10px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 14px;
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #1f2937 transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* Mobile Menu Animation */
.mobile-menu-enter {
    opacity: 0;
    transform: translateY(-10px);
}

.mobile-menu-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.mobile-menu-exit {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu-exit-active {
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

/* Performance Optimizations */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

.gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

/* Dark Mode Support (if needed in future) */
@media (prefers-color-scheme: dark) {
    .dark-mode-text {
        color: #f9fafb;
    }
    
    .dark-mode-bg {
        background-color: #1f2937;
    }
}

/* High DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .high-dpi-border {
        border-width: 0.5px;
    }
}

/* Container Queries (Future Enhancement) */
@container (min-width: 768px) {
    .container-responsive {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

/* CSS Grid Enhancements */
.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.grid-auto-fill {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Flexbox Utilities */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-around {
    display: flex;
    align-items: center;
    justify-content: space-around;
}

/* Text Utilities */
.text-balance {
    text-wrap: balance;
}

.text-pretty {
    text-wrap: pretty;
}

/* Modern CSS Features */
.backdrop-blur-xl {
    backdrop-filter: blur(24px);
}

.backdrop-saturate-150 {
    backdrop-filter: saturate(1.5);
}

.backdrop-brightness-110 {
    backdrop-filter: brightness(1.1);
}

/* Scroll Snap */
.scroll-snap-x {
    scroll-snap-type: x mandatory;
}

.scroll-snap-y {
    scroll-snap-type: y mandatory;
}

.scroll-snap-start {
    scroll-snap-align: start;
}

.scroll-snap-center {
    scroll-snap-align: center;
}

/* CSS Logical Properties */
.margin-inline-auto {
    margin-inline: auto;
}

.padding-block-4 {
    padding-block: 1rem;
}

.border-inline-start {
    border-inline-start: 1px solid #e5e7eb;
}

/* Modern Layout */
.stack > * + * {
    margin-top: 1rem;
}

.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: flex-start;
    align-items: center;
}

.sidebar {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.sidebar > :first-child {
    flex-basis: 20rem;
    flex-grow: 1;
}

.sidebar > :last-child {
    flex-basis: 0;
    flex-grow: 999;
    min-width: 50%;
}