:root {
    --primary-color: #004080;
    --primary-light: #0059b3;
    --primary-dark: #002b59;
    --accent-color: #00bcd4; /* Fresh accent color */
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --transition: all 0.3s ease;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-light);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    margin-top: 0;
    color: var(--primary-color);
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
    padding-bottom: 15px;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    border-radius: 2px;
}

p {
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
    padding: 0;
}

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

/* Container */
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
    transition: var(--transition);
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 50px;
    width: auto;
}

.site-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

/* Navigation */
nav ul {
    display: flex;
    gap: 30px;
}

nav a {
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    margin-top: 80px; /* Header height */
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--accent-color);
    color: var(--white);
    border-radius: 50px;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

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

/* Services */
.section {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    overflow: hidden;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    height: 80px;
    width: 100%;
    object-fit: contain; /* Changed to contain to ensure full image is visible */
    margin-bottom: 20px;
    border-radius: 8px;
    background: #f0f4f8; /* Subtle background for transparency */
    padding: 10px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.service-card ul {
    text-align: left;
    margin-top: 15px;
}

.service-card li {
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
    color: var(--text-light);
    font-size: 0.95rem;
}

.service-card li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Realisations */
.realisation-section {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    aspect-ratio: 4/3;
    position: relative;
    background: #f0f0f0;
}

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

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

/* Contact */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 15px;
    min-width: 30px;
}

.contact-text h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-text p, .contact-text a {
    color: var(--text-light);
    margin: 0;
    line-height: 1.5;
}

.contact-form-placeholder {
    flex: 1;
    min-width: 300px;
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 2px dashed #ddd;
}

/* Footer */
footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--accent-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-logo {
    width: 120px;
    background: var(--white);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.partners {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.partners img {
    height: 50px;
    background: var(--white);
    padding: 5px;
    border-radius: 4px;
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .header-inner {
        position: relative;
    }

    .mobile-toggle {
        display: block;
    }

    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow-md);
        padding: 0;
        height: 0;
        overflow: hidden;
        transition: var(--transition);
        border-radius: 0 0 var(--radius) var(--radius);
    }

    nav.open {
        height: auto;
        padding: 20px;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.8rem;
    }

    .contact-container {
        padding: 20px;
    }
}