:root {
    --bg-dark-blue: #0d1b2a;
    --bg-mid-blue: #1b263b;
    --bg-light-blue: #415a77;
    --text-light: #e0e1dd;
    --accent-orange: #ff6700;
    --accent-brown: #7D4F50;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark-blue);
    background-image: radial-gradient(circle at top left, rgba(27, 38, 59, 0.4), transparent 40%);
    color: var(--text-light);
    line-height: 1.8;
    overflow-x: hidden;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark-blue);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.75s ease, visibility 0.75s ease;
}
#preloader.loaded {
    opacity: 0;
    visibility: hidden;
}
.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--bg-light-blue);
    border-top-color: var(--accent-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

header {
    width: 100%;
    padding: 0 5%;
    height: 80px;
    background-color: rgba(13, 27, 42, 0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    position: fixed;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 26px;
    font-weight: 800;
    color: white;
    text-decoration: none;
}
.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--accent-orange);
    transition: transform 0.4s ease;
}
.logo-container:hover .logo-img {
    transform: rotate(360deg);
}

nav .nav-links {
    display: flex;
    list-style: none;
    gap: 35px;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 17px;
    font-weight: 600;
    padding-bottom: 5px;
    transition: color 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent-orange);
    border-radius: 2px;
    transition: width 0.3s ease;
}

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

.burger { display: none; }

section {
    padding: 120px 10%;
    min-height: 100vh;
    border-bottom: 1px solid var(--bg-mid-blue);
}
.section-title {
    text-align: center;
    margin-bottom: 60px;
}
.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-orange);
    border-radius: 2px;
}
.button {
    padding: 12px 35px;
    background: var(--accent-orange);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 103, 0, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
    cursor: pointer;
}
.button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 103, 0, 0.5);
}

#home {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.hero-logo {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    border: 4px solid var(--accent-orange);
    margin-bottom: 30px;
    box-shadow: 0 0 30px rgba(255, 103, 0, 0.4);
    animation: float 6s ease-in-out infinite;
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}
.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}
.hero-content h1 span {
    color: var(--accent-orange);
    text-shadow: 0 0 15px rgba(255, 103, 0, 0.5);
}
.hero-content p {
    font-size: 1.4rem;
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

#about {
    background-color: var(--bg-mid-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}
.about-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}
.about-image img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--bg-light-blue);
    box-shadow: 0 0 30px rgba(0,0,0,0.4);
}
.about-text {
    flex: 2;
    min-width: 300px;
}
.about-text h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.project-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.project-card {
    background: var(--bg-mid-blue);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}
.project-card-link:hover .project-card {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
}
.project-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.project-card-link:hover .project-image img {
    transform: scale(1.1);
}
.project-info { padding: 25px; }
.project-info h3 { font-size: 1.5rem; margin-bottom: 10px; }

.more-work-link {
    text-align: center;
    margin-top: 50px;
}
.more-work-link p {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

#services {
    background: var(--bg-mid-blue);
}
.services-container {
    display: grid;
}
.service-card {
    background: var(--bg-dark-blue);
    padding: 40px 25px;
    border-radius: 15px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.service-card:hover {
    transform: translateY(-10px);
    background: var(--bg-light-blue);
}
.service-card .icon {
    font-size: 3.5rem;
    color: var(--accent-orange);
    margin-bottom: 20px;
}
.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}
.service-card .button {
    margin-top: 20px;
}
.khamsat-profile-link {
    text-align: center;
    margin-top: 50px;
}

#contact {
    background: var(--bg-dark-blue);
    text-align: center;
    border-bottom: none;
    min-height: auto;
    padding: 80px 10%;
}
.contact-form {
    max-width: 700px;
    margin: 0 auto 40px auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    border: 2px solid var(--bg-mid-blue);
    background: var(--bg-dark-blue);
    color: var(--text-light);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none;
    border-color: var(--accent-orange);
}
.contact-form textarea {
    resize: vertical;
    min-height: 150px;
}
.social-links { margin-top: 30px; }
.social-links a {
    color: var(--text-light);
    font-size: 1.8rem;
    margin: 0 15px;
    transition: color 0.3s ease, transform 0.3s ease;
}
.social-links a:hover {
    color: var(--accent-orange);
    transform: translateY(-5px);
}
.copyright {
    margin-top: 30px;
    color: var(--bg-light-blue);
}

@media (max-width: 768px) {
    .burger {
        display: block;
        cursor: pointer;
    }
    .burger div { width: 25px; height: 3px; background-color: white; margin: 5px; transition: all 0.3s ease; }
    .toggle .line1 { transform: rotate(-45deg) translate(-5px, 6px); }
    .toggle .line2 { opacity: 0; }
    .toggle .line3 { transform: rotate(45deg) translate(-5px, -6px); }

    nav .nav-links {
        position: fixed;
        right: 0;
        top: 80px;
        background: var(--bg-mid-blue);
        height: calc(100vh - 80px);
        width: 60%;
        flex-direction: column;
        align-items: center;
        justify-content: space-around;
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
    }
    .nav-links.nav-active { transform: translateX(0%); }
    
    section { padding: 80px 5%; }
    .hero-content h1 { font-size: 2.8rem; }
    .hero-content p { font-size: 1.2rem; }
    #about { text-align: center; }
}