/* ProFlow Plumbing - Custom Styles */

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

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

@keyframes float-delayed {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

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

.animate-float-delayed {
    animation: float-delayed 3s ease-in-out infinite;
    animation-delay: 0.5s;
}

/* Header Scroll Effect */
.header-scrolled {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Back to Top Button */
#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

/* Form Focus States */
input:focus,
textarea:focus,
select:focus {
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Gallery Filter Active State */
.gallery-filter.active {
    background-color: #1e40af;
    color: white;
}

/* Gallery Item Hidden */
.gallery-item.hidden {
    display: none;
}

/* Image Placeholder */
img {
    background-color: #f3f4f6;
}

/* Loading Placeholder for Images */
img[src=""] {
    min-height: 200px;
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

/* Mobile Menu Animation */
#mobile-menu {
    transition: all 0.3s ease;
}

#mobile-menu.show {
    display: block;
}

/* Scroll Progress Indicator */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #1e40af, #0891b2);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* Selection Color */
::selection {
    background-color: #1e40af;
    color: white;
}

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

::-webkit-scrollbar-track {
    background: #f3f4f6;
}

::-webkit-scrollbar-thumb {
    background: #1e40af;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1e3a8a;
}

/* Button Hover Effects */
.btn-hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Card Hover Effects */
.card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Text Gradient */
.text-gradient {
    background: linear-gradient(135deg, #1e40af 0%, #0891b2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pulse Animation for Emergency Button */
.pulse-emergency {
    animation: pulse-emergency 2s infinite;
}

@keyframes pulse-emergency {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(239, 68, 68, 0);
    }
}

/* Icon Spin on Hover */
.icon-spin:hover svg {
    animation: spin 0.5s ease;
}

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

/* Responsive Typography */
@media (max-width: 640px) {
    .text-responsive {
        font-size: 0.875rem;
    }
}

/* Print Styles */
@media print {
    header,
    footer,
    #back-to-top,
    .no-print {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: black;
        background: white;
    }

    a {
        text-decoration: underline;
    }
}

/* Accessibility - Focus Visible */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #1e40af;
    outline-offset: 2px;
}

/* Skip to Content Link */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #1e40af;
    color: white;
    padding: 8px 16px;
    z-index: 100;
    transition: top 0.3s ease;
}

.skip-to-content:focus {
    top: 0;
}

/* Reduced Motion */
@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;
    }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles here if needed */
}

/* Placeholder Images Style */
.placeholder-img {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
    color: #64748b;
    font-size: 0.875rem;
    text-align: center;
}

/* Smooth Image Loading */
img {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img.loading {
    opacity: 0;
}