/* Custom CSS styles for Barlok Metal PVD Coating website */

/* Font and Base Styles */
body {
    font-family: 'Inter', 'Roboto', 'Helvetica', 'Arial', sans-serif;
}

/* Loading Animation */
body:not(.loaded) {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease-out;
}

body.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* Fade-in Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

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

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Custom Button Styles */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

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

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* Form Focus Styles */
.form-input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Responsive Typography */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* Gallery Styles */
.gallery-item {
    cursor: pointer;
}

.gallery-item img {
    transition: transform 0.3s ease;
}

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

/* Modal Styles */
#imageModal {
    backdrop-filter: blur(5px);
}

#imageModal img {
    max-height: 90vh;
    max-width: 90vw;
}

/* Aspect ratio utilities */
.aspect-w-4 {
    position: relative;
    padding-bottom: calc(3 / 4 * 100%);
}

.aspect-w-4 > * {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
}