/* 
   Lumina Photography - Professional Portfolio & Gallery Styling
   Design System: Dark Luxury Minimalist (Deep Charcoal-Black, Champagne Gold, Silver-White)
*/

:root {
    --primary-color: #151518; /* Card Backdrop */
    --primary-light: #1e1e23; /* Muted Highlight Backdrop */
    --primary-dark: #0d0d0f; /* Deep Black Background */
    --accent-color: #d4af37; /* Champagne Gold */
    --accent-hover: #c5a880;
    --accent-light: rgba(212, 175, 55, 0.15);
    --text-color: #e5e5eb; /* Off-White Silver */
    --text-light: #8e8e99; /* Muted Gray */
    --border-color: #222226;
    --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --font-headings: 'Playfair Display', serif;
    --font-main: 'Prompt', sans-serif;
    --font-eng: 'Inter', sans-serif;
    --shadow: 0 10px 35px -10px rgba(0, 0, 0, 0.85);
    --shadow-hover: 0 20px 45px -15px rgba(212, 175, 55, 0.18);
    --border-radius-sm: 4px; /* Minimalist sharp edges */
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--primary-dark);
    line-height: 1.6;
    overflow-x: hidden;
    letter-spacing: 0.5px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

button, input, select, textarea {
    font-family: inherit;
    outline: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--primary-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border: 2px solid var(--primary-dark);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Header & Navigation */
.photo-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(13, 13, 15, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-headings);
    letter-spacing: 3px;
    color: #ffffff;
}

.accent-logo {
    color: var(--accent-color);
}

.nav-links {
    display: flex;
    gap: 16px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
    position: relative;
    padding: 6px 0;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-family: var(--font-eng);
}

.nav-link:hover, .nav-link.active {
    color: #ffffff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.lang-switch {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 6px 14px;
    border-radius: 0; /* Minimalist sharp edges */
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    gap: 5px;
    transition: var(--transition);
}

.lang-switch:hover {
    border-color: var(--accent-color);
    color: #ffffff;
}

.active-lang {
    color: var(--accent-color);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Mobile Drawer */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--primary-dark);
    z-index: 1100;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
    border-left: 1px solid var(--border-color);
}

.mobile-menu.open {
    right: 0;
}

.close-menu {
    align-self: flex-end;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 1.6rem;
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-link {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-color);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-link:hover {
    color: var(--accent-color);
}

.mobile-lang-switch {
    align-self: flex-start;
    margin-bottom: 10px;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1050;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.menu-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 0.95rem;
}

.btn-full-width {
    width: 100%;
    padding: 14px;
    font-size: 0.9rem;
}

.btn-accent {
    background-color: var(--accent-color);
    color: var(--primary-dark);
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    border: 1px solid #ffffff;
    color: #ffffff;
}

.btn-outline-white:hover {
    background-color: #ffffff;
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Sections Base */
section {
    padding: 120px 0;
    position: relative;
}

.section-title {
    margin-bottom: 70px;
}

.text-center {
    text-align: center;
}

.sub-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-color);
    display: inline-block;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--accent-color);
    padding-bottom: 4px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 400;
    font-family: var(--font-headings);
    color: #ffffff;
    margin-top: 10px;
}

/* Hero Section */
.hero-section {
    min-height: 95vh;
    display: flex;
    align-items: center;
    padding-top: 150px;
    padding-bottom: 80px;
    background-color: var(--primary-dark);
    color: #ffffff;
    overflow: hidden;
    position: relative;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 75% 40%, rgba(212, 175, 55, 0.08) 0%, rgba(13, 13, 15, 0) 70%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

.hero-content .badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.hero-content h1 {
    font-size: 3.8rem;
    line-height: 1.2;
    font-weight: 400;
    font-family: var(--font-headings);
    margin-bottom: 25px;
    color: #ffffff;
}

.gradient-text {
    color: var(--accent-color);
}

.hero-content p {
    font-size: 1.05rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 580px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.visual-wrapper {
    position: relative;
    border-radius: var(--border-radius-md);
    padding: 6px;
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.9);
}

.visual-img {
    border-radius: var(--border-radius-sm);
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

/* Highlights Section */
.about-section {
    background-color: var(--primary-color);
    border-top: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--primary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 40px 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 24px;
    color: var(--accent-color);
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 14px;
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    font-weight: 300;
}

/* Gallery Section */
.gallery-section {
    background-color: var(--primary-dark);
    border-top: 1px solid var(--border-color);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    padding: 8px 20px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover {
    color: #ffffff;
    border-color: var(--accent-color);
}

.filter-btn.active {
    background-color: var(--accent-color);
    color: var(--primary-dark);
    border-color: var(--accent-color);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.gallery-item {
    overflow: hidden;
    position: relative;
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item.hidden {
    display: none;
}

.gallery-img-box {
    position: relative;
    width: 100%;
    aspect-ratio: 1.0;
    overflow: hidden;
}

.gallery-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
    display: block;
}

.gallery-item:hover .gallery-img-box img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(13, 13, 15, 0.95) 15%, rgba(13, 13, 15, 0.4) 60%, rgba(13, 13, 15, 0.1) 100%);
    display: flex;
    align-items: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 2;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.overlay-details {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.gallery-item:hover .overlay-details {
    transform: translateY(0);
}

.gallery-cat {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-color);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: block;
    margin-bottom: 8px;
}

.overlay-details h3 {
    font-size: 1.25rem;
    font-weight: 500;
    font-family: var(--font-headings);
    color: #ffffff;
    margin-bottom: 8px;
}

.overlay-details p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
    font-weight: 300;
}

/* Packages Section */
.packages-section {
    background-color: var(--primary-color);
    border-top: 1px solid var(--border-color);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.package-card {
    background-color: var(--primary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    height: 100%;
}

.package-card.popular {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-hover);
}

.popular-tag {
    position: absolute;
    top: -15px;
    left: 30px;
    background-color: var(--accent-color);
    color: var(--primary-dark);
    padding: 4px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.package-card h3 {
    font-size: 1.4rem;
    font-weight: 400;
    font-family: var(--font-headings);
    color: #ffffff;
    margin-bottom: 15px;
}

.price-value {
    font-family: var(--font-eng);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 20px;
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.price-note {
    font-family: var(--font-main);
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 400;
}

.pack-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 24px;
    font-weight: 300;
}

.pack-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 35px;
    flex-grow: 1;
}

.pack-features li {
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--text-color);
    font-weight: 300;
}

.pack-features li i {
    color: var(--accent-color);
    margin-top: 4px;
    font-size: 0.85rem;
}

/* Reviews Section */
.reviews-section {
    background-color: var(--primary-dark);
    border-top: 1px solid var(--border-color);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.review-card {
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    padding: 40px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stars {
    display: flex;
    gap: 4px;
    color: var(--accent-color);
}

.review-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-color);
    font-style: italic;
    font-weight: 300;
    flex-grow: 1;
}

.review-user {
    display: flex;
    align-items: center;
    gap: 16px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-top: 10px;
}

.avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--primary-dark);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.user-details h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
}

.user-details span {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* Booking Section */
.booking-section {
    background-color: var(--primary-color);
    border-top: 1px solid var(--border-color);
}

.booking-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--primary-dark);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 50px;
    box-shadow: var(--shadow);
}

.booking-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input, .form-group select, .form-group textarea {
    background-color: rgba(21, 21, 24, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: #ffffff;
    padding: 14px 18px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.12);
}

.form-group textarea {
    resize: vertical;
}

/* Time Slots radios */
.time-slots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.time-slot-label {
    cursor: pointer;
    text-align: center;
    position: relative;
}

.time-slot-label input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.time-slot-label span {
    display: block;
    background-color: rgba(21, 21, 24, 0.6);
    border: 1px solid var(--border-color);
    padding: 12px 6px;
    font-size: 0.85rem;
    font-family: var(--font-eng);
    font-weight: 600;
    color: var(--text-light);
    transition: var(--transition);
}

.time-slot-label:hover span {
    border-color: var(--accent-color);
    color: #ffffff;
}

.time-slot-label input:checked + span {
    background-color: var(--accent-light);
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Footer styling */
.photo-footer {
    background-color: var(--primary-dark);
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.footer-content p {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 300;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: -60px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--accent-color);
    border: none;
    color: var(--primary-dark);
    font-size: 1.1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.back-to-top.show {
    right: 30px;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

/* Success Brief Modal */
.modal-overlay-custom {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

.modal-overlay-custom.open {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    width: 100%;
    max-width: 550px;
    padding: 40px;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.9);
    transform: scale(0.9);
    transition: var(--transition);
}

.modal-overlay-custom.open .modal-content {
    transform: scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 1.8rem;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

.close-modal:hover {
    color: #ffffff;
}

.modal-success-img {
    width: 150px;
    height: auto;
    margin-bottom: 24px;
}

.modal-body h3 {
    font-size: 1.5rem;
    font-weight: 500;
    font-family: var(--font-headings);
    color: #ffffff;
    margin-bottom: 12px;
}

.modal-body p {
    font-size: 0.95rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 30px;
    font-weight: 300;
}

.modal-actions {
    display: flex;
    justify-content: center;
}

.modal-actions .btn {
    min-width: 120px;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .nav-links, .nav-actions, .mobile-toggle {
        display: none;
    }
    .mobile-toggle {
        display: block;
    }
    .hero-container, .features-grid, .gallery-grid, .packages-grid, .reviews-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .feature-card, .package-card, .gallery-item, .review-card {
        padding: 30px;
    }
    
    .gallery-img-box {
        aspect-ratio: 1.4;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    
    .section-title {
        margin-bottom: 40px;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .navbar {
        height: 80px;
    }
    
    .form-row, .time-slots-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .booking-wrapper {
        padding: 30px 20px;
    }
}