:root {
    --bg-color: #ffffff;
    --secondary-bg: #f5f5f7;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --accent-blue: #0066cc;
    --accent-blue-hover: #0071e3;
    --nav-bg: rgba(255, 255, 255, 0.8);
    --card-bg: #ffffff;
    --card-hover-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.1);
    --border-color-hover: rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.12);
    --nav-height: 52px;
    --border-radius: 18px;
    --transition-timing: cubic-bezier(0.28, 0.11, 0.32, 1);
    --map-filter: brightness(1.1);
}

[data-theme="dark"] {
    --bg-color: #000000;
    --secondary-bg: #1c1c1e;
    --text-primary: #f5f5f7;
    --text-secondary: #a1a1a6;
    --accent-blue: #0a84ff;
    --accent-blue-hover: #409cff;
    --nav-bg: rgba(0, 0, 0, 0.8);
    --card-bg: #1c1c1e;
    --card-hover-bg: #2c2c2e;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-color-hover: rgba(255, 255, 255, 0.25);
    --shadow-hover: 0 30px 80px rgba(0, 0, 0, 0.6);
    --map-filter: grayscale(1) invert(0.9) brightness(0.8);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    scroll-behavior: smooth;
    transition: background-color 0.4s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.47059;
    font-weight: 400;
    letter-spacing: -0.022em;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

body.menu-open,
body.lightbox-active {
    overflow: hidden;
}

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: background 0.3s ease, height 0.4s var(--transition-timing), border-color 0.3s ease;
    overflow: hidden;
}

nav.is-open {
    height: 100vh;
    background: var(--bg-color);
}

.nav-container {
    width: 100%;
    max-width: 1024px;
    height: var(--nav-height);
    min-height: var(--nav-height);
    margin: 0 auto;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.05em;
    cursor: pointer;
    z-index: 1001;
}

.nav-links.desktop-only {
    display: flex;
    gap: 24px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.nav-links a:hover {
    opacity: 1;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 1001;
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--border-color);
}

.sun-icon {
    display: none;
}

.moon-icon {
    display: block;
}

[data-theme="dark"] .sun-icon {
    display: block;
}

[data-theme="dark"] .moon-icon {
    display: none;
}

/* Hamburger Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 24px;
    height: 24px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
}

.menu-toggle span {
    display: block;
    width: 18px;
    height: 1px;
    background-color: var(--text-primary);
    transition: transform 0.3s var(--transition-timing), top 0.3s var(--transition-timing);
    position: absolute;
}

.menu-toggle span:first-child {
    top: 10px;
}

.menu-toggle span:last-child {
    top: 15px;
}

.is-open .menu-toggle span:first-child {
    transform: rotate(45deg);
    top: 12px;
}

.is-open .menu-toggle span:last-child {
    transform: rotate(-45deg);
    top: 12px;
}

/* Mobile Menu Dropdown */
.mobile-menu {
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1024px;
    margin: 0 auto;
    padding: 40px 48px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.is-open .mobile-menu {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu-links a {
    font-size: 28px;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.4s var(--transition-timing), opacity 0.4s var(--transition-timing);
    transform: translateY(20px);
    opacity: 0;
}

.is-open .mobile-menu-links a {
    transform: translateY(0);
    opacity: 1;
}

.is-open .mobile-menu-links a:nth-child(1) {
    transition-delay: 0.1s;
}

.is-open .mobile-menu-links a:nth-child(2) {
    transition-delay: 0.15s;
}

.is-open .mobile-menu-links a:nth-child(3) {
    transition-delay: 0.2s;
}

.is-open .mobile-menu-links a:nth-child(4) {
    transition-delay: 0.25s;
}

/* --- Hero Section --- */
.hero {
    padding-top: calc(var(--nav-height) + 80px);
    padding-bottom: 100px;
    text-align: center;
    background: var(--bg-color);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 22px;
}

.hero h1 {
    font-size: 56px;
    line-height: 1.07143;
    font-weight: 600;
    letter-spacing: -0.005em;
    margin-bottom: 12px;
    animation: fadeInUp 1s var(--transition-timing) forwards;
}

.hero p {
    font-size: 24px;
    line-height: 1.16667;
    font-weight: 400;
    letter-spacing: .009em;
    color: var(--text-secondary);
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-timing) 0.2s forwards;
}

.cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-timing) 0.4s forwards;
}

.btn {
    padding: 12px 24px;
    border-radius: 980px;
    font-size: 17px;
    font-weight: 400;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--accent-blue);
    border: 1px solid transparent;
}

.btn-secondary:hover {
    text-decoration: underline;
}

/* --- Services Section --- */
.services {
    background-color: var(--secondary-bg);
    padding: 100px 22px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 48px;
    line-height: 1.08349;
    font-weight: 600;
    letter-spacing: -.003em;
}

.section-header p {
    font-size: 21px;
    color: var(--text-secondary);
    margin-top: 12px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
    max-width: 1024px;
    margin: 0 auto;
}

.service-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.4s var(--transition-timing), box-shadow 0.4s var(--transition-timing), background-color 0.4s var(--transition-timing), border-color 0.4s var(--transition-timing);
    cursor: default;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: scale(1.04);
    background-color: var(--card-hover-bg);
    border-color: var(--border-color-hover);
    box-shadow: var(--shadow-hover);
}

.service-title-group {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.service-icon {
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-icon svg {
    width: 44px;
    height: 44px;
    transition: transform 0.4s var(--transition-timing);
}

.service-card:hover .service-icon svg {
    transform: scale(1.1);
}

.service-card h3 {
    font-size: 24px;
    margin: 0;
    font-weight: 600;
}

.service-card p {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

/* --- Why Choose Us --- */
.why-us {
    padding: 100px 22px;
    max-width: 1024px;
    margin: 0 auto;
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.why-item {
    text-align: left;
}

.why-item h4 {
    font-size: 21px;
    margin-bottom: 12px;
}

.why-item p {
    font-size: 17px;
    color: var(--text-secondary);
}

/* --- Testimonials Section --- */
.testimonials {
    background-color: var(--bg-color);
    padding: 100px 22px;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1024px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--secondary-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform 0.4s var(--transition-timing), box-shadow 0.4s var(--transition-timing);
    border: 1px solid var(--border-color);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.testimonial-card .quote {
    font-size: 20px;
    line-height: 1.4;
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: 30px;
    position: relative;
}

.testimonial-card .author {
    display: flex;
    flex-direction: column;
}

.testimonial-card .name {
    font-weight: 600;
    font-size: 17px;
    color: var(--text-primary);
}

.testimonial-card .role {
    font-size: 14px;
    color: var(--text-secondary);
}

/* --- Gallery Section --- */
.gallery-section {
    background-color: var(--secondary-bg);
    padding: 100px 22px;
}

/* --- Carousel for Gallery --- */
.carousel-container {
    position: relative;
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 20px;
}

.carousel-track-container {
    overflow: hidden;
    position: relative;
    border-radius: var(--border-radius);
}

.carousel-track {
    display: flex;
    transition: transform 0.6s var(--transition-timing);
    gap: 20px;
    /* Added gap */
}

.gallery-item {
    flex: 0 0 calc(33.333% - 13.333px);
    /* 3 items minus gaps */
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    background-color: transparent;
    /* Removed background */
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: var(--border-radius);
    transition: transform 0.6s var(--transition-timing);
}

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

.carousel-nav-buttons {
    position: absolute;
    top: 50%;
    left: -22px;
    right: -22px;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 10;
}

.carousel-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    pointer-events: auto;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.carousel-btn:hover {
    background: var(--accent-blue);
    color: white;
    transform: scale(1.1);
}

/* Lightbox Enhancements */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-color);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s var(--transition-timing), visibility 0.4s var(--transition-timing);
}

.lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90%;
    max-height: 80%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.lightbox-img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 12px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform 0.5s var(--transition-timing);
}

.lightbox.is-open .lightbox-img {
    transform: scale(1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--nav-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 60px;
    height: 60px;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 20;
    backdrop-filter: blur(10px);
}

.lightbox-nav.prev {
    left: 40px;
}

.lightbox-nav.next {
    right: 40px;
}

.lightbox-nav:hover {
    background: var(--bg-color);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    font-size: 40px;
    color: var(--text-primary);
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--border-color);
    transition: background 0.3s ease;
    z-index: 2001;
}

/* --- Floating Contact Buttons --- */
.floating-contact {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 10000;
    pointer-events: none;
}

.float-btn {
    pointer-events: auto;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transition: all 0.4s cubic-bezier(0.28, 0.11, 0.32, 1);
    color: white;
    text-decoration: none;
    position: relative;
}

.float-btn::before {
    content: attr(data-label);
    position: absolute;
    right: 75px;
    background: var(--bg-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
}

.float-btn:hover::before {
    opacity: 1;
    visibility: visible;
    right: 85px;
}

.float-btn:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.float-whatsapp {
    background-color: #25D366;
}

.float-call {
    background-color: var(--accent-blue);
}

.float-btn svg {
    width: 30px;
    height: 30px;
    fill: currentColor;
    display: block;
}

@media (max-width: 768px) {
    .gallery-item {
        flex: 0 0 50%;
    }

    .lightbox-nav {
        padding: 5px;
    }

    .lightbox-nav.prev {
        left: 10px;
    }

    .lightbox-nav.next {
        right: 10px;
    }

    .carousel-btn {
        width: 36px;
        height: 36px;
    }

    .floating-contact {
        bottom: 25px;
        right: 25px;
        gap: 12px;
    }

    .float-btn {
        width: 52px;
        height: 52px;
    }

    .float-btn svg {
        width: 26px;
        height: 26px;
    }

    .float-btn::before {
        display: none;
        /* Hide labels on mobile to save space */
    }
}

/* --- Contact Section --- */
.contact-section {
    padding: 100px 22px;
    background-color: var(--bg-color);
}

.contact-container {
    max-width: 1024px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-item h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 12px;
}

.contact-item p {
    font-size: 17px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-item a {
    color: var(--accent-blue);
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 24px;
    margin-top: 16px;
}

.social-links a {
    color: var(--text-secondary);
    transition: color 0.3s ease, transform 0.3s ease;
    display: flex;
    align-items: center;
}

.social-links a:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
    text-decoration: none;
}

.social-links svg {
    width: 28px;
    height: 28px;
}

.map-placeholder {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    background-color: var(--secondary-bg);
    border: 1px solid var(--border-color);
}

.map-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--transition-timing);
    filter: var(--map-filter);
}

.map-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.map-placeholder:hover .map-image {
    transform: scale(1.05);
}

.map-placeholder:hover .map-overlay {
    opacity: 1;
}

/* --- Footer --- */
footer {
    background-color: var(--secondary-bg);
    padding: 60px 22px;
    border-top: 1px solid var(--border-color);
    transition: background-color 0.4s ease;
}

.footer-content {
    max-width: 1024px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-size: 12px;
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Reveal on Scroll --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s var(--transition-timing), transform 1s var(--transition-timing);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    .nav-links.desktop-only {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero h1 {
        font-size: 40px;
    }

    .hero p {
        font-size: 20px;
    }

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

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

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

    .section-header h2 {
        font-size: 36px;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .mobile-menu {
        padding: 40px 22px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-info {
        order: 2;
    }

    .contact-map {
        order: 1;
    }

    .service-card {
        padding: 30px;
    }

    .service-icon svg {
        width: 36px;
        height: 36px;
    }

    .service-card h3 {
        font-size: 20px;
    }

    .lightbox {
        padding: 20px;
    }

    .lightbox-close {
        top: 20px;
        right: 20px;
    }
}