/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Navigation */
nav {
    background-color: #025a5a;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    color: #fff;
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
}

img.res-logo {
    width: 152px;
}

.menu {
    display: flex;
    gap: 30px;
}

    .menu a {
        color: #fff;
        text-decoration: none;
        font-weight: 500;
        font-size: 1.1rem;
        transition: color 0.3s ease;
    }

        .menu a:hover {
            color: #00d4ff;
        }

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

    .hamburger span {
        width: 25px;
        height: 3px;
        background-color: white;
        transition: all 0.3s ease;
    }

/* Hero Section */
#home {
    height: 100vh;
    /*background: linear-gradient(135deg, #1a1a2e, #16213e);*/
    background-image: linear-gradient(#000000ab, #0f1d29), url(../images/banner.jpg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding: 0 20px;
    background-repeat: no-repeat;
    overflow: hidden;
    background-size: cover;
    background-position: 50%;
    background-position-x: 60%;
    width: 100%;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.3rem;
    max-width: 600px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #00d4ff;
    color: #1a1a2e;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

    .btn:hover {
        transform: translateY(-5px);
        background-color: #00b8e0;
    }

/* About Section */
#about {
    padding: 100px 20px;
    background-color: #fff;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #1a1a2e;
}

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

.about-text {
    font-size: 1.1rem;
}

    .about-text p {
        margin-bottom: 20px;
    }

.about-image {
    background-image:url(../images/about.jpg);
    height:250px;
        background-position: 50%;
}

/* Contact Section */
#contact {
    padding: 100px 20px;
    background-color: #1a1a2e;
    color: white;
    text-align: center;
}

.section-title1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #fff;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

input, textarea {
    padding: 15px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
}

    input:focus, textarea:focus {
        outline: 3px solid #00d4ff;
    }

button {
    padding: 15px;
    background-color: #00d4ff;
    color: #1a1a2e;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

    button:hover {
        background-color: #00b8e0;
    }
    .group-thanku {
    text-align: center;
}
    .thanku-box {
    padding: 12px 20px;
    margin-top: 28px;
    margin-bottom: 28px;
}

/* Footer */
footer {
    background-color: #0f0f1e;
    color: #ccc;
    text-align: center;
    padding: 30px 20px;
    font-size: 0.9rem;
}

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

    .menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: #1a1a2e;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: left 0.4s ease;
        z-index: 999;
    }

        .menu.active {
            left: 0;
        }

    .hero-content h1 {
        font-size: 2.8rem;
    }

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

    .section-title {
        font-size: 2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Active link highlight */
.menu a.active {
    color: #00d4ff;
    position: relative;
}

    .menu a.active::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: #00d4ff;
    }