:root {
    /* Color Palette - Water/Cleanliness Theme */
    --primary-color: #006DBF;
    /* Deep Blue */
    --primary-light: #4DA1FF;
    /* Lighter Blue */
    --primary-dark: #004080;
    /* Darker Blue */
    --accent-color: #00C2CB;
    /* Cyan/Teal for freshness */
    --accent-secondary: #FFD700;
    /* Gold for highlights/CTA */

    --text-dark: #1A1A1A;
    --text-light: #F5F5F7;
    --text-muted: #666666;

    --bg-light: #FFFFFF;
    --bg-off-white: #F8FAFC;
    --bg-dark: #0F172A;

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

    /* Spacing */
    --section-padding: 5rem 1rem;
    --container-width: 1200px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-off-white);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: var(--primary-dark);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 109, 191, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 109, 191, 0.4);
}

.btn-outline {
    border: 2px solid white;
    color: #006dbf;
    background: transparent;
}

.btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.header.scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-dark);
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text .highlight {
    color: var(--primary-color);
}

.nav-links ul {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-dark);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links .btn {
    color: white;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background:
        linear-gradient(rgba(255, 255, 255, 0.35), rgba(240, 249, 255, 0.83)),
        url('hero-bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    display: none;
    /* Remove old radial gradient */
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    line-height: 1.1;
}

/* About Section */
.about {
    background: var(--bg-off-white);
    padding: var(--section-padding);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-dark);
}

.about-highlights {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.highlight-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    flex: 1;
    min-width: 250px;
}

.highlight-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.highlight-label {
    font-weight: 600;
    color: var(--primary-dark);
}

/* Projects/Clients Section */
.projects {
    padding: var(--section-padding);
    background: white;
    text-align: center;
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    opacity: 0.7;
}

.client-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 1rem 2rem;
    border: 1px solid #eee;
    border-radius: 50px;
}

/* Gallery Section */
.gallery {
    padding: var(--section-padding);
    background: var(--bg-off-white);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    height: 200px;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: scale(1.02);
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

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

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background: var(--primary-dark);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact .section-title::after {
    background: var(--accent-secondary);
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-secondary);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-icon {
    font-size: 1.5rem;
}

.info-text p {
    margin-bottom: 0.5rem;
}

.info-text a {
    color: white;
    text-decoration: underline;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    height: 300px;
    background: #eee;
}

/* Footer */
.footer {
    background: #0b1120;
    color: var(--text-muted);
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Mobile Styles */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
        position: relative;
        z-index: 1001;
    }

    .mobile-menu-btn span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--primary-dark);
        margin: 5px 0;
        transition: 0.3s;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: white;
        padding-top: 5rem;
        transition: 0.3s ease-in-out;
        box-shadow: var(--shadow-lg);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links ul {
        flex-direction: column;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }
}

/* Services Section */
.services {
    padding: var(--section-padding);
    background: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-color);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    background: var(--bg-off-white);
    padding: 1rem;
    border-radius: 50%;
    color: var(--primary-color);
}

.service-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.service-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}