:root {
    --primary-color-light: #ffffff;
    --primary-color-dark: #0077be;
    --secondary-color: #33cc99;
    --text-color: #333;
    --background-color: #f8f8f8;
    --gradient-bg: linear-gradient(90deg, var(--primary-color-light), var(--primary-color-dark));
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--background-color);
}

header {
    background: var(--gradient-bg);
    /* padding: 0.75rem 1rem; */
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* max-width: 1200px; */
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    padding-left: 0;
    margin-right: auto;
}

.logo img {
    height: 70px;
    width: auto;
    /* max-width: 100%; */
    /* object-fit: contain; */
}

nav {
    margin-left: auto;
    padding-right: 0;
}

.logo-design {
    width: 40px;
    height: 40px;
    position: relative;
    margin-right: 10px;
}

.logo-lines {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid #fff;
    border-radius: 5px;
}

.logo-lines::before,
.logo-lines::after {
    content: '';
    position: absolute;
    background-color: #fff;
}

.logo-lines::before {
    width: 2px;
    height: 100%;
    left: 33%;
    top: 0;
}

.logo-lines::after {
    width: 100%;
    height: 2px;
    left: 0;
    top: 33%;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.company-name {
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    letter-spacing: 1px;
}

.tagline {
    font-size: 0.7rem;
    color: #fff;
    letter-spacing: 1px;
}

nav ul {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
    align-items: center;
    margin-left: auto;
}

nav ul li {
    margin: 0.5rem 0;
    padding: 0.5rem 1rem;
    text-align: center;
    width: 100%;
}

nav ul li a {
    color: var(--primary-color-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    /* text-transform: uppercase; */
}

nav ul li a:hover {
    color: #f0f0f0;
    text-shadow: 0 0 5px rgba(255,255,255,0.5);
}

nav ul li {
    padding: 0.5rem 1rem;
}

nav ul li a {
    display: block;
    width: 100%;
}

.cta-button {
    background-color: var(--secondary-color);
    color: #fff !important;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    text-decoration: none;
    font-weight: bold;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta-button:hover {
    background-color: #006d45;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

nav ul li .cta-button {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

main {
    padding-top: 2rem;
}

section {
    padding: 6rem 2rem;
    margin-bottom: 4rem;
}

section:nth-child(even) {
    background-color: #fff;
}

h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

#hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('hero-section.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
    padding: 12rem 2rem;
    margin-bottom: 4rem;
    height: 45vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 10px;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

#solutions, #about, #services, #project-collaboration {
    max-width: 1200px;
    margin: 0 auto 4rem auto;
}

.solutions-content, .about-content, .project-content {
    text-align: center;
}

.about-features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.feature {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    margin: 1rem;
    transition: all 0.3s ease;
    width: 200px;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-item {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.service-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 400px;
    margin: 0 auto;
}

label, input, textarea {
    margin-bottom: 1rem;
}

button {
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: var(--secondary-color);
}

footer {
    background-color: var(--primary-color-dark);
    color: #fff;
    text-align: center;
    padding: 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    color: #fff;
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #fff;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: var(--gradient-bg);
        padding: 1rem 0;
        align-items: center;
    }

    nav ul.active {
        display: flex;
    }

    nav ul li {
        margin: 0.5rem 0;
        padding: 0.5rem 1rem;
    }

    nav ul li a {
        display: block;
        width: 100%;
    }

    nav ul li .cta-button {
        display: inline-block;
        width: auto;
    }
}

@media (max-width: 480px) {
    h1, h2 {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    p, .service-item p {
        font-size: 0.85rem;
    }

    .hero-content h1 {
        font-size: 1.6rem;
    }

    .cta-button {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }
}

@media (min-width: 1200px) {
    .header-content {
        padding-left: 7%;
        padding-right: 7%;
    }
}

nav ul li a.nav-link {
    position: relative;
}

nav ul li a.nav-link::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--primary-color-dark);
    transform: scaleX(0);
    transition: transform 0.3s ease-in-out;
}

nav ul li a.nav-link:hover::after {
    transform: scaleX(1);
}

.logo a {
    display: inline-block;
    text-decoration: none;
}

.logo a:hover {
    opacity: 0.8;
    transition: opacity 0.3s ease;
}