/* Northridge Solutions Website Styles */

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

:root {
    /* Color Palette */
    --navy: #0B1F3A;
    --slate: #1F2937;
    --blue: #3B82F6;
    --cloud: #F9FAFB;
    --white: #FFFFFF;
    --grey-light: #E5E7EB;
    --grey-mid: #9CA3AF;
    --grey-dark: #4B5563;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--slate);
    line-height: 1.65;
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--navy);
    letter-spacing: -0.01em;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

p {
    line-height: 1.7;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--navy);
    text-decoration: none;
}

.logo img {
    height: 105px;
    width: auto;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #374151;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--blue);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
    margin-top: 0;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--slate);
    transition: background 0.3s;
}

.dropdown-content a:hover {
    background: var(--cloud);
    color: var(--blue);
}

/* CTA Button */
.cta-button {
    background: var(--blue);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-block;
    font-size: 0.95rem;
}

.cta-button:hover {
    background: #2563EB;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.cta-button-secondary {
    background: var(--white);
    color: var(--blue);
    border: 2px solid var(--blue);
}

.cta-button-secondary:hover {
    background: var(--blue);
    color: var(--white);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--navy);
    cursor: pointer;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(11, 31, 58, 0.95), rgba(31, 41, 55, 0.85)), url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600');
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 5rem 0;
    text-align: left;
}

.hero h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    max-width: 900px;
}

.hero h2 {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.15rem;
    font-weight: 400;
    margin-bottom: 2rem;
    max-width: 850px;
    line-height: 1.65;
}

.hero .cta-button {
    font-size: 1rem;
    padding: 0.875rem 2rem;
    border-radius: 8px;
}

/* Section Spacing */
section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.section-subtitle {
    text-align: center;
    color: #6B7280;
    margin-top: 0.75rem;
    margin-bottom: 3.5rem;
    font-size: 1.125rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
}

/* Service/Industry Cards */
.card {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    border-color: var(--blue);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--blue);
    margin-bottom: 1.25rem;
    display: none; /* Hide icons for cleaner look */
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--navy);
    font-size: 1.5rem;
    font-weight: 600;
}

.card h4 {
    margin-bottom: 0.75rem;
    color: var(--navy);
    font-size: 1.25rem;
    font-weight: 600;
}

.card p {
    color: #6B7280;
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.card-link {
    color: var(--blue);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.card-link:hover {
    color: #2563EB;
}

/* Card with Image */
.card-with-image {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 1rem 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.card-with-image h3 {
    margin-bottom: 0.5rem;
    font-size: 1.35rem;
}

.card-with-image p {
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    flex: 1;
}

.card-with-image .card-link {
    margin-top: auto;
}

/* Service Scope Grid */
.service-scope-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem 1rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
    .service-scope-grid {
        grid-template-columns: 1fr;
    }
}

/* Why Choose Us Section */
.why-choose-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.why-item {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.why-icon {
    font-size: 3rem;
    color: var(--blue);
    margin-bottom: 1rem;
}

.why-item h4 {
    margin-bottom: 0.75rem;
}

.why-item p {
    color: var(--grey-dark);
    font-size: 0.95rem;
}

/* Trust Section */
.trust-section {
    background: var(--cloud);
    text-align: center;
}

.logo-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.logo-grid img {
    height: 50px;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: all 0.3s;
}

.logo-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* Testimonials */
.testimonial-slider {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 2rem;
}

.testimonial {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.testimonial-text {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--slate);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.testimonial-author {
    font-weight: 600;
    color: var(--navy);
}

/* Industry/Sector Grid */
.sector-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.sector-card {
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 0;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sector-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(59, 130, 246, 0.75);
    transition: all 0.3s;
}

.sector-content {
    position: relative;
    z-index: 1;
    padding: 2rem;
}

.sector-card:hover .sector-overlay {
    background: rgba(37, 99, 235, 0.85);
}

.sector-card:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.sector-card h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.sector-card p {
    color: rgba(255, 255, 255, 0.95);
    font-size: 0.95rem;
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    height: 300px;
    background: var(--grey-light);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(11, 31, 58, 0.9), transparent);
    color: var(--white);
    padding: 1.5rem;
    transform: translateY(0);
    transition: transform 0.3s;
}

.portfolio-item h3 {
    color: var(--white);
    font-size: 1.2rem;
}

.portfolio-item p {
    color: var(--cloud);
    font-size: 0.9rem;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--navy), var(--slate));
    color: var(--white);
    text-align: center;
    padding: 2.5rem 2rem;
}

.cta-banner h1 {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 700;
}

.cta-banner h2 {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 400;
    margin-top: 0.75rem;
    margin-bottom: 1.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
footer {
    background: var(--navy);
    color: var(--cloud);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--cloud);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--grey-mid);
    font-size: 0.9rem;
}

/* Form Styles */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--grey-light);
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--blue);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 1rem 0;
    background: var(--cloud);
}

.breadcrumbs ul {
    list-style: none;
    display: flex;
    gap: 0.5rem;
}

.breadcrumbs a {
    color: var(--blue);
    text-decoration: none;
}

.breadcrumbs span {
    color: var(--grey-mid);
}

/* Trust Elements */
.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--cloud);
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    margin: 0.5rem;
}

.trust-badge-icon {
    font-size: 1.5rem;
    color: var(--blue);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .why-choose-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    .menu-toggle { display: block; }

    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        padding: 1rem;
        gap: 0;
    }

    nav ul li {
        width: 100%;
    }

    nav ul a {
        display: block;
        padding: 1rem;
    }

    nav ul.active {
        display: flex;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .why-choose-grid,
    .sector-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.2;
    }

    .hero h2 {
        font-size: 1rem;
    }

    section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
        text-align: center !important;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2.5rem;
    }

    .card {
        padding: 2rem 1.5rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-blue { color: var(--blue); }
.bg-cloud { background: var(--cloud); }
.bg-navy { background: var(--navy); }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

/* Portfolio Carousel */
.carousel-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.carousel-btn:hover {
    background: var(--blue);
    color: white;
}

.carousel-btn.prev {
    left: 15px;
}

.carousel-btn.next {
    right: 15px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 1rem 0;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--grey-light);
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.carousel-dot.active {
    background: var(--blue);
}

@media (max-width: 768px) {
    .carousel-slide img {
        height: 300px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .carousel-btn.prev {
        left: 10px;
    }

    .carousel-btn.next {
        right: 10px;
    }
}

/* Portfolio Category Sections */
.portfolio-category {
    margin-bottom: 2rem;
}

.portfolio-category:first-child {
    margin-top: 0;
}

/* Portfolio Tab Buttons */
.portfolio-tab {
    background: white;
    color: var(--slate);
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--grey-light);
    border-radius: 6px;
    margin: 0.5rem;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--font-body);
    transition: all 0.3s ease;
}

.portfolio-tab:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.portfolio-tab.active {
    background: var(--blue);
    color: white;
    border: 2px solid var(--blue);
}

/* Image Gallery Grid */
.image-gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 1000px;
    margin: 0 auto;
}

.image-gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-gallery-grid img:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

@media (max-width: 768px) {
    .image-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .image-gallery-grid img {
        height: 180px;
    }
}

/* Project Cards Grid (for Renovations) */
.project-cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto;
}

.project-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.project-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.project-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(11, 31, 58, 0.9), transparent);
    color: white;
    padding: 2rem 1.25rem 1.25rem;
}

.project-card-overlay h4 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
}

.project-card-overlay span {
    font-size: 0.9rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .project-cards-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .project-card img {
        height: 220px;
    }
}

/* Gallery Thumbnail */
.gallery-thumbnail {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    cursor: pointer;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.gallery-thumbnail:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

.gallery-thumbnail img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.gallery-thumbnail-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(11, 31, 58, 0.9), transparent);
    color: white;
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
}

.gallery-thumbnail-overlay span {
    font-size: 1.1rem;
    font-weight: 600;
}

.gallery-thumbnail-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--navy);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-thumbnail:hover .gallery-thumbnail-icon {
    opacity: 1;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
    z-index: 10001;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    font-size: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 1rem;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

@media (max-width: 768px) {
    .gallery-thumbnail img {
        height: 280px;
    }

    .lightbox-nav {
        width: 45px;
        height: 45px;
        font-size: 1.5rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    .lightbox-close {
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
}