/* تنظیمات اولیه و متغیرها */
:root {
    --bg-color: #080808; /* رنگ پس زمینه تاریک */
    --second-bg-color: #131313;
    --text-color: #ffffff;
    --main-color: #00eaff; /* رنگ اصلی نئونی (آبی فیروزه‌ای) */
    --font-primary: 'Vazirmatn', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
    font-family: var(--font-primary);
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    overflow-x: hidden;
}

html {
    font-size: 62.5%; /* باعث می‌شود 1rem برابر 10px باشد */
}

/* استایل‌های سراسری */
section {
    min-height: 100vh;
    padding: 10rem 9% 2rem;
}

.heading {
    text-align: center;
    font-size: 4.5rem;
    margin-bottom: 4rem;
}

.heading span {
    color: var(--main-color);
    text-shadow: 0 0 10px var(--main-color);
}

.btn {
    display: inline-block;
    padding: 1rem 2.8rem;
    background: var(--main-color);
    color: var(--bg-color);
    border-radius: 4rem;
    font-size: 1.6rem;
    font-weight: 600;
    letter-spacing: 0.1rem;
    transition: 0.3s ease;
    box-shadow: 0 0 10px var(--main-color);
}

.btn:hover {
    box-shadow: none;
    background: transparent;
    color: var(--main-color);
    border: 2px solid var(--main-color);
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: rgba(8, 8, 8, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.logo {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 700;
    cursor: default;
    text-shadow: 0 0 10px var(--main-color);
}

.navbar a {
    font-size: 1.7rem;
    color: var(--text-color);
    margin-left: 4rem;
    transition: 0.3s;
    font-weight: 500;
}

.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
    text-shadow: 0 0 10px var(--main-color);
}

#menu-icon {
    font-size: 3.6rem;
    color: var(--text-color);
    display: none;
    cursor: pointer;
}

/* HOME SECTION */
.home {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5rem;
}

.home-content h3 {
    font-size: 3.2rem;
    font-weight: 700;
}

.home-content h3:nth-of-type(2) {
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

span.typed-text {
    color: var(--main-color);
    text-shadow: 0 0 10px var(--main-color);
}

.home-content h1 {
    font-size: 5.6rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 1rem 0;
}

.home-content p {
    font-size: 1.6rem;
    margin-bottom: 3rem;
}

.social-media a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: transparent;
    border: 0.2rem solid var(--main-color);
    border-radius: 50%;
    font-size: 2rem;
    color: var(--main-color);
    margin: 0 0 3rem 1.5rem;
    transition: 0.5s ease;
    box-shadow: 0 0 10px var(--main-color);
}

.social-media a:hover {
    background: var(--main-color);
    color: var(--bg-color);
    box-shadow: 0 0 20px var(--main-color);
    transform: translateY(-5px);
}

/* استایل و انیمیشن عکس پروفایل */
.home-img {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glowing-circle {
    position: relative;
    width: 350px;
    height: 350px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    /* انیمیشن درخشش و شناور بودن */
    animation: floatImage 4s ease-in-out infinite; 
}

.glowing-circle::after {
    content: '';
    position: absolute;
    width: 380px;
    height: 380px;
    background: var(--main-color);
    border-radius: 50%;
    z-index: -1;
    filter: blur(50px);
    opacity: 0.5;
    animation: pulseGlow 3s ease-in-out infinite alternate;
}

.home-img img {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    object-fit: cover;
    border: 0.4rem solid var(--main-color);
    z-index: 2;
    background: var(--bg-color); /* جلوگیری از دیده شدن پشت عکس اگر PNG شفاف باشد */
}

/* انیمیشن‌های CSS */
@keyframes floatImage {
    0% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0); }
}

@keyframes pulseGlow {
    0% { opacity: 0.3; filter: blur(30px); }
    100% { opacity: 0.7; filter: blur(60px); scale: 1.05; }
}

/* ABOUT SECTION */
.about {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    background: var(--second-bg-color);
}

.about-img img {
    width: 35vw;
    border-radius: 2rem;
    border: 3px solid var(--main-color);
    box-shadow: 0 0 20px var(--main-color);
}

.about-content h2 {
    text-align: right;
}

.about-content h3 {
    font-size: 2.6rem;
}

.about-content p {
    font-size: 1.6rem;
    margin: 2rem 0 3rem;
}

/* SKILLS SECTION */
.skills {
    background: var(--bg-color);
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2.5rem;
    padding: 2rem;
}

.skill-box {
    background: var(--second-bg-color);
    padding: 3rem 2rem;
    border-radius: 2rem;
    text-align: center;
    border: 2px solid var(--main-color);
    transition: 0.5s ease;
    box-shadow: 0 0 5px var(--main-color);
}

.skill-box:hover {
    box-shadow: 0 0 25px var(--main-color);
    transform: scale(1.05);
}

.skill-box i {
    font-size: 7rem;
    margin-bottom: 1.5rem;
}

.skill-box h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

/* PROJECTS SECTION */
.projects {
    background: var(--second-bg-color);
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 15px rgba(0,0,0,0.5);
    overflow: hidden;
    display: flex;
    border: 2px solid var(--main-color);
}

.project-box img {
    width: 100%;
    transition: 0.5s ease;
    opacity: 0.8;
}

.project-box:hover img {
    transform: scale(1.1);
    opacity: 0.3;
}

.project-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: 0.5s ease;
}

.project-box:hover .project-layer {
    transform: translateY(0);
}

.project-layer h4 {
    font-size: 3rem;
    color: var(--text-color);
}

.project-layer p {
    font-size: 1.6rem;
    margin: 1.5rem 0 2rem;
    color: var(--text-color);
}

.project-layer a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 5rem;
    height: 5rem;
    background: var(--text-color);
    border-radius: 50%;
}

.project-layer a i {
    font-size: 2rem;
    color: var(--second-bg-color);
}

/* CONTACT SECTION */
.contact {
    background: var(--bg-color);
}

.contact form {
    max-width: 70rem;
    margin: 1rem auto;
    text-align: center;
    margin-bottom: 3rem;
}

.contact form .input-box {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.contact form .input-box input,
.contact form textarea {
    width: 100%;
    padding: 1.5rem;
    font-size: 1.6rem;
    color: var(--text-color);
    background: var(--second-bg-color);
    border-radius: 0.8rem;
    margin: 0.7rem 0;
    border: 2px solid transparent;
    transition: 0.3s;
}

.contact form .input-box input:focus,
.contact form textarea:focus {
    border-color: var(--main-color);
    box-shadow: 0 0 10px var(--main-color);
}

.contact form .input-box input {
    width: 49%;
}

.contact form textarea {
    resize: none;
}

.contact form .btn {
    margin-top: 2rem;
    cursor: pointer;
}

/* FOOTER */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 2rem 9%;
    background: var(--second-bg-color);
}

.footer-text p {
    font-size: 1.6rem;
}

.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0.8rem;
    background: var(--main-color);
    border-radius: 0.8rem;
    transition: 0.5s ease;
}

.footer-iconTop a:hover {
    box-shadow: 0 0 15px var(--main-color);
}

.footer-iconTop a i {
    font-size: 2.4rem;
    color: var(--bg-color);
}

/* BREAKPOINTS (واکنش‌گرایی) */
@media (max-width: 1200px) {
    html {
        font-size: 55%;
    }
}

@media (max-width: 991px) {
    .header {
        padding: 2rem 3%;
    }

    section {
        padding: 10rem 3% 2rem;
    }

    .footer {
        padding: 2rem 3%;
    }
    
    .home {
        flex-direction: column-reverse;
        gap: 7rem;
        text-align: center;
    }

    .home-content {
        align-items: center;
    }

    .social-media a {
        margin: 0 1rem 3rem;
    }

    .about {
        flex-direction: column;
        text-align: center;
    }
    
    .about-img img {
        width: 70vw;
        margin-top: 4rem;
    }
    .about-content h2 {
        text-align: center;
    }
}

@media (max-width: 768px) {
    #menu-icon {
        display: block;
    }

    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 3%;
        background: var(--bg-color);
        border-top: .1rem solid rgba(0,0,0,0.2);
        box-shadow: 0 .5rem 1rem rgba(0,0,0,0.2);
        display: none; /* مخفی در حالت عادی */
    }
    
    .navbar.active {
        display: block; /* نمایش وقتی کلاس active اضافه شود */
    }

    .navbar a {
        display: block;
        font-size: 2rem;
        margin: 3rem 0;
    }
    
    .contact form .input-box input {
        width: 100%;
    }
    
    .glowing-circle, .glowing-circle::after, .home-img img {
        width: 280px;
        height: 280px;
    }
}

@media (max-width: 450px) {
    html {
        font-size: 50%;
    }
    
    .glowing-circle, .glowing-circle::after, .home-img img {
        width: 220px;
        height: 220px;
    }
}