/* Custom CSS for Zaviyar Enterprises Website */
/* Requirements: 3.1, 13.4, 15.6 */

/* CSS Custom Properties for Color Palette */
:root {
    /* Primary Color - Deep Emerald Green */
    --emerald-900: #064e3b;
    --emerald-800: #065f46;
    --emerald-700: #047857;
    --emerald-100: #d1fae5;
    
    /* Accent Color - Warm Gold/Amber */
    --gold-600: #d97706;
    --gold-500: #f59e0b;
    --gold-400: #fbbf24;
    
    /* Background Color - Rice Off-White/Cream */
    --cream: #faf9f6;
    --cream-dark: #f5f3ed;
    
    /* Text Color - Dark Charcoal */
    --charcoal: #1f2937;
    --charcoal-light: #374151;
    
    /* Neutral Grays */
    --gray-100: #f3f4f6;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-600: #4b5563;
    --gray-700: #374151;
}

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

/* Body layout to ensure footer stays at bottom */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* Focus visible for keyboard navigation */
body.keyboard-nav *:focus {
    outline: 2px solid var(--gold-500);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Remove focus outline for mouse users */
body:not(.keyboard-nav) *:focus {
    outline: none;
}

/* Ensure focus is still visible on form inputs */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    ring: 2px;
    ring-color: var(--emerald-900);
}

/* Screen reader only utility class */
.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;
}

/* Make sr-only visible when focused */
.sr-only.focus\:not-sr-only:focus {
    position: static;
    width: auto;
    height: auto;
    padding: inherit;
    margin: inherit;
    overflow: visible;
    clip: auto;
    white-space: normal;
}

/* Lazy load image transitions */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s ease-in;
}

img.loaded {
    opacity: 1;
}

/* Hero overlay gradient */
.hero-overlay {
    background: linear-gradient(135deg, rgba(6, 78, 59, 0.7), rgba(6, 78, 59, 0.5));
}

/* Consistent transition durations */
a, button {
    transition: all 0.3s ease;
}

/* Hover effects for cards */
.product-card:hover,
.quality-badge:hover {
    transform: translateY(-4px);
}

/* Custom scrollbar styling (WebKit browsers) */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--cream);
}

::-webkit-scrollbar-thumb {
    background: var(--emerald-700);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--emerald-900);
}

/* Print styles */
@media print {
    .no-print,
    header,
    footer,
    nav,
    button {
        display: none !important;
    }
    
    body {
        color: black;
        background: white;
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
    }
}

/* Accessibility: Ensure minimum touch target size on mobile */
@media (max-width: 768px) {
    button,
    a {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Animation for page elements */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Gradient text effect for headings (optional enhancement) */
.gradient-text {
    background: linear-gradient(135deg, var(--emerald-900), var(--gold-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading spinner for form submission */
.spinner {
    border: 3px solid var(--cream);
    border-top: 3px solid var(--emerald-900);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

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

/* Error message styling */
.error-message {
    font-size: 0.875rem;
    color: #dc2626;
    margin-top: 0.25rem;
}

/* Success message styling */
.success-message {
    background-color: #d1fae5;
    border: 1px solid #047857;
    color: #064e3b;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

/* Responsive typography adjustments */
@media (max-width: 640px) {
    h1 {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    h2 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    h3 {
        font-size: 1.25rem;
        line-height: 1.4;
    }
    
    p {
        font-size: 1rem;
        line-height: 1.6;
    }
}

/* Ensure images don't break layout */
img {
    max-width: 100%;
    height: auto;
}

/* Consistent card styling */
.card {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Container max-width for consistent content width */
.container {
    max-width: 1280px;
}

/* Add spacing between sections */
section + section {
    margin-top: 0;
}

/* Ensure footer stays at bottom even with minimal content */
footer {
    margin-top: auto;
}