/* ============================================
   Visual Enhancements - Enhanced Interactions
   ============================================ */

/* Enhanced Button with Ripple Effect */
.btn-primary,
button[type="submit"],
.button-primary {
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    transform: translateY(0);
}

.btn-primary::before,
button[type="submit"]::before,
.button-primary::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 ease, height 0.6s ease;
    pointer-events: none;
}

.btn-primary:hover::before,
button[type="submit"]:hover::before,
.button-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover,
button[type="submit"]:hover,
.button-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.btn-primary:active,
button[type="submit"]:active,
.button-primary:active {
    transform: translateY(0);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

/* Enhanced Card with Hover Effects */
.card::before,
.service-card::before,
.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
    transform-origin: left;
}

.card:hover::before,
.service-card:hover::before,
.product-card:hover::before {
    transform: scaleX(1);
}

.card:hover,
.service-card:hover,
.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow:
        0 12px 24px rgba(102, 126, 234, 0.15),
        0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Enhanced Link Hover Effects */
a:not(.btn-primary):not(.button-primary):not(.skip-link) {
    position: relative;
    transition: color var(--transition-fast);
    text-decoration: none;
}

a:not(.btn-primary):not(.button-primary):not(.skip-link)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

a:not(.btn-primary):not(.button-primary):not(.skip-link):hover::after {
    width: 100%;
}

a:not(.btn-primary):not(.button-primary):not(.skip-link):hover {
    color: var(--color-primary);
}

/* Enhanced Icon Hover Effects */
.icon:hover,
.fa:hover,
[class*="icon-"]:hover {
    transform: scale(1.2) rotate(5deg);
    color: var(--color-primary);
}

/* ============================================
   Loading States & Skeleton Screens
   ============================================ */

.skeleton,
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-title {
    height: 2rem;
    width: 60%;
    margin-bottom: 1rem;
}

.skeleton-image {
    height: 200px;
    width: 100%;
    border-radius: var(--radius-lg);
}

.spinner,
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid rgba(102, 126, 234, 0.1);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 4px;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ============================================
   Glassmorphism Effects
   ============================================ */

.glass-card,
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-2xl);
}

.glass-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-overlay {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ============================================
   Enhanced Gradient Effects
   ============================================ */

.animated-gradient,
.gradient-animated {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #4facfe);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-gradient-overlay {
    position: relative;
}

.hero-gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 1;
}

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

.content-text,
.paragraph {
    line-height: 1.8;
    letter-spacing: 0.01em;
    word-spacing: 0.05em;
}

.heading-gradient,
h1.gradient-text,
h2.gradient-text,
h3.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.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, 0.15);
}

/* ============================================
   Enhanced Image Effects
   ============================================ */

.image-card,
.img-card {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
}

.image-card:hover,
.img-card:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.image-overlay {
    position: relative;
    overflow: hidden;
}

.image-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.5));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.image-overlay:hover::after {
    opacity: 1;
}

/* ============================================
   Enhanced Form Elements
   ============================================ */

.form-input:focus,
input:focus:not([type="checkbox"]):not([type="radio"]),
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

.form-label,
label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.fade-in,
.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }

/* ============================================
   Touch-Friendly Interactions (Mobile)
   ============================================ */

@media (max-width: 768px) {
    .touch-target,
    button,
    .btn-primary,
    a:not(.skip-link) {
        min-height: 44px;
        min-width: 44px;
        padding: 0.75rem;
    }

    .card:hover,
    .service-card:hover {
        transform: translateY(-4px) scale(1.01);
    }
}

/* ============================================
   Performance: Respect Reduced Motion
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .slide-in-left,
    .slide-in-right,
    .scale-in,
    .stagger-item {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .animated-gradient,
    .gradient-animated {
        animation: none;
        background: var(--gradient-primary);
    }
}