/* Professional Photography Portfolio Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700;800;900&display=swap');

/* CSS Variables for consistent theming */
:root {
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Base Typography */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.025em;
}

/* Enhanced Loading Screen */
#loading-screen {
    background: linear-gradient(135deg, hsl(var(--b1)) 0%, hsl(var(--b2)) 100%);
}

#loading-screen .animate-pulse {
    animation: loading-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes loading-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Professional Navigation Enhancements */
.navbar {
    transition: var(--transition-smooth);
}

.navbar a {
    position: relative;
    transition: var(--transition-smooth);
}

.navbar a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: hsl(var(--p));
    transition: var(--transition-smooth);
    transform: translateX(-50%);
}

.navbar a:hover::after,
.navbar a.active::after {
    width: 100%;
}

/* Enhanced Hero Section */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

/* Professional Carousel */
.carousel {
    position: relative;
}

.carousel-item {
    transition: opacity 0.8s ease-in-out;
}

.carousel-item img {
    transition: transform 8s ease-in-out;
}

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

.carousel-indicator {
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.carousel-indicator:hover,
.carousel-indicator.active {
    border-color: hsl(var(--p));
    transform: scale(1.2);
}

/* Enhanced Cards and Portfolio Items */
.card {
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
    border-color: hsl(var(--p) / 0.2);
}

.portfolio-item {
    transition: var(--transition-smooth);
}

.portfolio-item:hover {
    transform: scale(1.02);
}

.portfolio-item img {
    transition: var(--transition-smooth);
}

.portfolio-item:hover img {
    filter: brightness(1.1) contrast(1.1);
}

/* Professional Buttons */
.btn {
    font-weight: 500;
    letter-spacing: 0.025em;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

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

.btn-primary {
    background: linear-gradient(135deg, hsl(var(--p)) 0%, hsl(var(--pf)) 100%);
    border: none;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Enhanced Form Elements */
.input, .textarea, .select {
    transition: var(--transition-smooth);
    border: 1px solid hsl(var(--b3, 0 0% 90%));
    background: hsl(var(--b1, 0 0% 100%));
    color: hsl(var(--bc, 215 28% 17%));
}

.input:focus, .textarea:focus, .select:focus {
    border-color: hsl(var(--p));
    box-shadow: 0 0 0 3px hsl(var(--p) / 0.1);
    outline: none;
}

.input-error {
    border-color: hsl(var(--er)) !important;
    box-shadow: 0 0 0 3px hsl(var(--er) / 0.1);
}

/* Professional Progress Bars */
.progress {
    height: 8px;
    border-radius: 9999px;
    overflow: hidden;
    background: hsl(var(--b3));
}

.progress::-webkit-progress-bar {
    background: hsl(var(--b3));
    border-radius: 9999px;
}

.progress::-webkit-progress-value {
    background: linear-gradient(90deg, hsl(var(--p)), hsl(var(--pf)));
    border-radius: 9999px;
    transition: width 1s ease-in-out;
}

/* Enhanced Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Animation Delays */
.animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.5s; }

/* Professional Stats */
.stats {
    background: linear-gradient(135deg, hsl(var(--b1)) 0%, hsl(var(--b2)) 100%);
    border: 1px solid hsl(var(--b3));
    backdrop-filter: blur(10px);
}

.stat {
    transition: var(--transition-smooth);
}

.stat:hover {
    transform: translateY(-4px);
    background: hsl(var(--b2));
}

/* Enhanced Footer */
footer {
    border-top: 1px solid hsl(var(--b3));
}

/* Professional Modal */
.modal-box {
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

/* Enhanced Filter Buttons */
.filter-btn {
    transition: var(--transition-smooth);
    font-weight: 500;
    border-width: 2px;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-soft);
}

.filter-btn.active {
    background: hsl(var(--p));
    color: hsl(var(--pc));
    border-color: hsl(var(--p));
}

/* Professional Timeline */
.timeline-item {
    position: relative;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, hsl(var(--p)), hsl(var(--s)));
}

/* Enhanced Social Media Icons */
.social-icon {
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.social-icon:hover {
    transform: translateY(-4px) scale(1.1);
    border-color: hsl(var(--p));
    background: hsl(var(--p));
    color: hsl(var(--pc));
}

/* Professional 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-shimmer 1.5s infinite;
}

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

/* Responsive Enhancements */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
        line-height: 1.1;
    }
    
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .card {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }
}

/* Print Styles */
@media print {
    .navbar, .btn, .loading-screen {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles for Accessibility */
.btn:focus,
.input:focus,
.textarea:focus,
.select:focus {
    outline: 2px solid hsl(var(--p));
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .card {
        border: 2px solid hsl(var(--bc));
    }
    
    .btn {
        border: 2px solid currentColor;
    }
}

/* Placeholder and Autofill Adjustments */
.input::placeholder,
.textarea::placeholder {
	color: hsl(var(--bc, 215 28% 17%) / 0.5);
}

/* Ensure light background on autofilled fields */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus {
	-webkit-text-fill-color: hsl(var(--bc, 215 28% 17%));
	-webkit-box-shadow: 0 0 0px 1000px hsl(var(--b1, 0 0% 100%)) inset;
	transition: background-color 5000s ease-in-out 0s;
}

/* Readable form enhancements */
.form-readable .label .label-text {
    color: #111827 !important; /* gray-900 */
    font-weight: 600;
}
.form-readable .input,
.form-readable .select,
.form-readable .textarea {
    font-size: 1rem;
    line-height: 1.5;
    border-color: #D1D5DB !important; /* gray-300 */
    border-width: 1px !important;
    background: #ffffff !important;
    color: #111827 !important; /* gray-900 */
}
.form-readable .input::placeholder,
.form-readable .textarea::placeholder {
    color: #6B7280 !important; /* gray-500 */
}
.form-readable .input:hover,
.form-readable .select:hover,
.form-readable .textarea:hover {
    border-color: #9CA3AF !important; /* gray-400 */
    box-shadow: 0 0 0 2px rgba(156, 163, 175, 0.25);
}
.form-readable .input:focus,
.form-readable .select:focus,
.form-readable .textarea:focus {
    border-color: #2563EB !important; /* primary-ish */
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
    outline: none;
}
.form-readable .label {
    margin-bottom: 0.25rem;
}
.form-readable .form-control {
    gap: 0.25rem;
}
.form-readable .btn[type="submit"] {
    font-size: 1rem;
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
}