* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #1e3a5f;
    --accent-blue: #2c5aa0;
    --light-gray: #f8f9fa;
    --medium-gray: #e9ecef;
    --dark-gray: #495057;
    --background-light: #dddddd;
    --white: #ffffff;
    --shadow: rgba(0, 0, 0, 0.1);
    --success: #28a745;
    --error: #dc3545;
}

body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    overflow-x: hidden;
    background: var(--background-light);
    background-attachment: fixed;
}

nav {
    background: var(--white);
    box-shadow: 0 2px 15px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }

    to {
        transform: translateY(0);
    }
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 1.5rem;
    flex-wrap: wrap;
}

nav li {
    margin: 0 1.5rem;
}

nav a {
    text-decoration: none;
    color: var(--primary-blue);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    font-size: 1.2rem;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--accent-blue);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

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

.logo {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

.logo img {
    max-width: 300px;
    height: auto;
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Blueprint Animation */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    color: var(--white);
    text-align: center;
    padding: 5rem 1rem;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, transparent, var(--primary-blue) 80%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    color: var(--white);
}

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

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

.hero p {
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.8s ease-out 0.2s;
    animation-fill-mode: both;
    font-weight: 300;
    letter-spacing: 1px;
}

section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 1rem;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-blue);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.project-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid var(--accent-blue);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover img {
    transform: scale(1.05);
}

.project-card-content {
    padding: 1.5rem;
}

.project-card h3 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px var(--shadow);
    transition: all 0.3s ease;
    border-top: 4px solid var(--accent-blue);
    min-width: 400px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow);
}

.service-card img {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

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

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.about-content {
    margin: 0 auto;
    background: var(--white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px var(--shadow);
    border-top: 4px solid var(--accent-blue);
}

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0;
    animation: fadeIn 0.8s ease-out forwards;
}

.about-content p:nth-child(1) {
    animation-delay: 0.1s;
}

.about-content p:nth-child(2) {
    animation-delay: 0.2s;
}

.about-content p:nth-child(3) {
    animation-delay: 0.3s;
}

.about-content p:nth-child(4) {
    animation-delay: 0.4s;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px var(--shadow);
    height: fit-content;
    border-top: 4px solid var(--accent-blue);
}

.contact-info h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.contact-info p {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.contact-info p a {
    color: var(--dark-gray);
    text-decoration: none;
}

.contact-info p a:hover {
    color: var(--accent-blue);
    text-decoration: underline;
}

.contact-info p::before {
    content: '•';
    color: var(--accent-blue);
    margin-right: 0.5rem;
    font-size: 1.5rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px var(--shadow);
    border-top: 4px solid var(--accent-blue);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--medium-gray);
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.submit-btn {
    background: var(--accent-blue);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-btn:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.submit-btn:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.form-status {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    display: none;
}

.form-status.success {
    background: #d4edda;
    color: var(--success);
    border: 1px solid #c3e6cb;
    display: block;
}

.form-status.error {
    background: #f8d7da;
    color: var(--error);
    border: 1px solid #f5c6cb;
    display: block;
}

html {
    scroll-behavior: smooth;
}

section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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



@media (max-width: 768px) {

    .hero h1 {

        font-size: 2rem;

    }



    .contact-container {

        grid-template-columns: 1fr;

        gap: 2rem;

    }



    .projects-grid {

        grid-template-columns: 1fr;

    }



    .services-grid {

        grid-template-columns: 1fr;

    }



    .service-card {

        min-width: auto;

    }

}