* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Quicksand', sans-serif;
    list-style: none;
    text-decoration: none;
    scroll-behavior: smooth;
}

:root {
    --bg-color: #020312;
    --text-color: #fff;
    --main-color: #eb4a4a;
    --second-color: #8a8a8a;
    --other-color: #12141c;
    --section-bg: #0a0b16;
    --h1-font: 5.2rem;
    --h2-font: 3.5rem;
    --p-font: 1.1rem;
    --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s ease;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Quicksand', sans-serif;
    overflow-x: hidden;
}

header {
    position: fixed;
    right: 0;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(2, 3, 18, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 8%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.logo {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
}

.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
}

.navbar a {
    color: var(--text-color);
    font-size: 16px;
    font-weight: 600;
    padding: 8px 12px;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.navbar a:hover {
    background: transparent;
    color: var(--main-color);
}

.navbar a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--main-color);
    bottom: 0;
    left: 0;
    transition: var(--transition);
}

.navbar a:hover::after {
    width: 100%;
}

#menu-icon {
    font-size: 36px;
    color: var(--text-color);
    z-index: 10001;
    cursor: pointer;
    display: none;
}

section {
    padding: 160px 8% 90px;
}

.home {
    height: 100vh;
    width: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.back-video {
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.home-text h1 {
    margin: 15px 0;
    font-size: var(--h1-font);
    font-weight: bold;
    line-height: 1.1;
    letter-spacing: 2px;
}

.home-text h1 span {
    color: var(--main-color);
}

.home-text h1 span.lastname {
    color: var(--text-color);
}

.home-text h4 {
    color: var(--main-color);
    font-size: 24px;
    font-weight: 600;
}

.home-text h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 3rem;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 8px;
    font-size: 17px;
    font-weight: 600;
    background: var(--main-color);
    color: var(--text-color);
    border: 1px solid var(--main-color);
    transition: var(--transition);
    box-shadow: 0 10px 20px rgba(235, 74, 74, 0.3);
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-5px);
    background: transparent;
    border: 1px solid var(--main-color);
    box-shadow: 0 15px 25px rgba(235, 74, 74, 0.4);
}

.about {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    gap: 4rem;
    background: var(--section-bg);
    border-radius: 16px;
    padding: 50px;
    margin: 20px 8%;
}

.about-img img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.about-img img:hover {
    transform: scale(1.02);
}

.about-text h2 {
    font-size: calc(var(--h2-font) - 0.5rem);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.about-text h2::after {
    content: '';
    position: absolute;
    height: 4px;
    width: 60px;
    background: var(--main-color);
    bottom: -8px;
    left: 0;
    border-radius: 2px;
}

.about-text h4 {
    margin: 15px 0;
    color: var(--main-color);
    font-size: 22px;
    font-weight: 600;
}

.about-text p {
    color: var(--second-color);
    font-size: var(--p-font);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.about-gri {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.about-in h5 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.about-in h5::before {
    content: '';
    position: absolute;
    height: 10px;
    width: 10px;
    background: var(--main-color);
    left: 0;
    top: 6px;
    border-radius: 50%;
}

.main-text {
    text-align: center;
    margin-bottom: 50px;
}

.main-text h2 {
    font-size: var(--h2-font);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.main-text h2::after {
    content: '';
    position: absolute;
    height: 4px;
    width: 80px;
    background: var(--main-color);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.main-text h4 {
    color: var(--main-color);
    font-size: 24px;
    font-weight: 600;
}

.inner {
    padding: 50px 8%;
    background: var(--section-bg);
    border-radius: 16px;
    margin: 20px 8%;
}

.Tech_header {
    text-align: center;
    color: #fff;
    padding: 1rem;
    position: relative;
    margin-bottom: 30px;
}

.Tech_header h1 {
    font-size: var(--h2-font);
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.Tech_header h1::after {
    content: '';
    position: absolute;
    height: 4px;
    width: 80px;
    background: var(--main-color);
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.Tcontainer {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    justify-content: center;
    align-items: center;
}

.skill-box {
    padding: 25px;
    background: var(--other-color);
    border-radius: 16px;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--box-shadow);
}

.skill-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.skill-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.tech_img {
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.skill-box:hover .tech_img {
    transform: scale(1.1);
}

.skill-icon {
    width: 45px;
    height: 45px;
}

.skill-title h3 {
    font-size: 18px;
    font-weight: 600;
    margin-top: 10px;
}

.experience-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    margin-top: 20px;
}

.experience-content .box {
    flex: 0 0 calc(33.33% - 30px);
    padding: 35px;
    background: var(--other-color);
    border-radius: 16px;
    border-top: 5px solid transparent;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.experience-content .box img {
    height: 80px;
    width: 80px;
    border-radius: 50%;
    margin-bottom: 20px;
    object-fit: cover;
    border: 3px solid var(--main-color);
}

.experience-content .box h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
}

.experience-content .box h4 span {
    color: var(--main-color);
    font-size: 18px;
    font-weight: 600;
}

.experience-content .box h5 {
    font-size: 16px;
    color: var(--second-color);
    margin-bottom: 10px;
}

.experience-content .box p {
    color: var(--second-color);
    font-size: 16px;
    line-height: 1.7;
}

.experience-content .box:hover {
    transform: translateY(-10px);
    border-top: 5px solid var(--main-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.skills-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 20px;
}

.skills-content .box {
    padding: 35px;
    background: var(--other-color);
    border-radius: 16px;
    border-top: 5px solid transparent;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    height: 100%;
}

.skills-content .box h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.skills-content .box h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: var(--main-color);
    bottom: 0;
    left: 0;
    border-radius: 2px;
}

.skills-content .box p {
    color: var(--second-color);
    font-size: var(--p-font);
    line-height: 1.7;
}

.skills-content .box:hover {
    transform: translateY(-10px);
    border-top: 5px solid var(--main-color);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.portfolio-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.portfolio-content .row {
    background: var(--other-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
}

.portfolio-content .row img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 16px 16px 0 0;
    transition: var(--transition);
}

.portfolio-content .row:hover img {
    transform: scale(1.05);
}

.row .main-row {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.row .row-text h6 {
    color: var(--main-color);
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 1px;
}

.row h3 {
    font-size: 20px;
    font-weight: 700;
    padding: 20px 25px;
    transition: var(--transition);
}

.portfolio-content .row:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.portfolio-content .row:hover h3 {
    color: var(--main-color);
}

.achievement .portfolio-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.contact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: flex-start;
    gap: 3rem;
    background: var(--section-bg);
    border-radius: 16px;
    padding: 50px;
    margin: 20px 8%;
}

.contact-text h2 {
    font-size: calc(var(--h2-font) - 0.5rem);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.contact-text h2::after {
    content: '';
    position: absolute;
    height: 4px;
    width: 60px;
    background: var(--main-color);
    bottom: -8px;
    left: 0;
    border-radius: 2px;
}

.contact-text h4 {
    margin: 15px 0;
    color: var(--main-color);
    font-size: 22px;
    font-weight: 600;
}

.contact-text p {
    color: var(--second-color);
    font-size: var(--p-font);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-list {
    margin-bottom: 3rem;
}

.contact-list li {
    margin-bottom: 15px;
}

.contact-list li a {
    display: flex;
    align-items: center;
    color: var(--second-color);
    font-size: var(--p-font);
    font-weight: 600;
    transition: var(--transition);
}

.contact-list li a:hover {
    transform: translateX(10px);
    color: var(--main-color);
}

.contact-icons {
    display: flex;
    justify-content: flex-start;
    margin-top: 20px;
    gap: 40px;
}

.icon-container {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 15px;
}

.icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: #191919;
    border-radius: 50%;
    color: #f9004d;
    font-size: 20px;
    margin: 0;
    transition: all .40s;
}

.icon i, .icon img {
    font-size: 24px;
    color: var(--main-color);
    transition: var(--transition);
}

.icon:hover {
    transform: scale(1.1);
    background-color: #f9004d;
    color: #fff;
}

.icon:hover i, .icon:hover img {
    color: var(--text-color);
    transform: scale(1.1);
}

.last-text {
    background: var(--other-color);
    padding: 20px;
    text-align: center;
}

.last-text p {
    color: var(--second-color);
    font-size: 15px;
    font-weight: 500;
}

.top {
    position: fixed;
    bottom: 2.1rem;
    right: 2.1rem;
    z-index: 99;
}

.top i {
    background: var(--main-color);
    color: var(--text-color);
    font-size: 20px;
    padding: 10px;
    border-radius: 0.5rem;
    box-shadow: 0 5px 15px rgba(235, 74, 74, 0.3);
    transition: var(--transition);
}

.top i:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(235, 74, 74, 0.4);
}

@media (max-width: 1400px) {
    .Tcontainer {
        grid-template-columns: repeat(4, 1fr);
    }
    
    :root {
        --h1-font: 4.5rem;
        --h2-font: 3.2rem;
    }
}

@media (max-width: 1200px) {
    :root {
        --h1-font: 4rem;
        --h2-font: 2.8rem;
        --p-font: 1rem;
    }
    
    .experience-content .box {
        flex: 0 0 calc(50% - 30px);
    }
    
    .skills-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .achievement .portfolio-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* responsive alignment from 990px */
@media (max-width: 990px) {
    .navbar{display: none !important;}
    header {
        padding: 18px 4%;
    }
    
    section {
        padding: 120px 4% 70px;
    }
    
    .about {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
        padding: 40px 30px;
        margin: 20px 4%;
    }
    
    .about-img {
        text-align: center;
        order: -1;
    }
    
    .about-img img {
        max-width: 80%;
        height: auto;
    }
    
    .about-text {
        text-align: left;
    }
    
    .about-text h2 {
        text-align: center;
        margin-bottom: 25px;
    }
    
    .about-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .about-gri {
        gap: 1.5rem;
    }
    
    .inner {
        padding: 40px 4%;
        margin: 20px 4%;
    }
    
    .Tcontainer {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
        padding: 1rem 0;
    }
    
    .skill-box {
        padding: 20px;
        text-align: center;
    }
    
    .tech_img {
        width: 70px;
        height: 70px;
    }
    
    .skill-icon {
        width: 40px;
        height: 40px;
    }
    
    .skill-title h3 {
        font-size: 16px;
        margin-top: 8px;
    }
    
    .experience-content {
        flex-direction: column;
        gap: 25px;
    }
    
    .experience-content .box {
        flex: 1;
        width: 100%;
        padding: 30px;
        text-align: center;
    }
    
    .experience-content .box img {
        margin: 0 auto 15px;
        display: block;
    }
    
    .experience-content .box h3 {
        font-size: 20px;
        margin-bottom: 8px;
    }
    
    .experience-content .box h4 {
        margin-bottom: 8px;
    }
    
    .experience-content .box h5 {
        margin-bottom: 8px;
    }
    
    .experience-content .box p {
        text-align: left;
        font-size: 15px;
        line-height: 1.6;
    }
    
    .skills-content {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .skills-content .box {
        padding: 30px;
        text-align: center;
    }
    
    .skills-content .box h3 {
        font-size: 20px;
        margin-bottom: 12px;
        text-align: center;
    }
    
    .skills-content .box h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .skills-content .box p {
        text-align: left;
        font-size: 15px;
        line-height: 1.6;
    }
    
    .portfolio-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .portfolio-content .row {
        text-align: center;
    }
    
    .portfolio-content .row img {
        height: 180px;
    }
    
    .row .main-row {
        padding: 15px 20px;
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .row h3 {
        font-size: 18px;
        padding: 15px 20px;
    }
    
    .achievement .portfolio-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .contact {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        padding: 40px 30px;
        margin: 20px 4%;
        text-align: center;
    }
    
    .contact-text h2 {
        text-align: center;
        margin-bottom: 18px;
    }
    
    .contact-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .contact-text h4 {
        text-align: center;
        margin: 12px 0;
        font-size: 20px;
    }
    
    .contact-text p {
        text-align: center;
        font-size: 16px;
        line-height: 1.7;
        margin-bottom: 1.5rem;
    }
    
    .contact-list {
        margin-bottom: 2rem;
        text-align: center;
    }
    
    .contact-list li {
        margin-bottom: 12px;
    }
    
    .contact-list li a {
        justify-content: center;
        font-size: 16px;
    }
    
    .contact-icons {
        justify-content: center;
        gap: 30px;
        margin-top: 15px;
    }
    
    .icon-container {
        justify-content: center;
        gap: 12px;
    }
    
    .icon {
        width: 45px;
        height: 45px;
    }
    
    .icon i, .icon img {
        font-size: 20px;
    }
    
    /* Main text sections */
    .main-text {
        margin-bottom: 40px;
        padding: 0 2%;
    }
    
    .main-text h2 {
        font-size: calc(var(--h2-font) - 0.3rem);
        margin-bottom: 12px;
    }
    
    .main-text h4 {
        font-size: 20px;
    }
    
    /* Tech header */
    .Tech_header {
        padding: 0.8rem;
        margin-bottom: 25px;
    }
    
    .Tech_header h1 {
        font-size: calc(var(--h2-font) - 0.3rem);
    }
    
    .top {
        bottom: 1.8rem;
        right: 1.8rem;
    }
    
    .top i {
        font-size: 18px;
        padding: 8px;
    }
}

@media (max-width: 768px) {
    .navbar{display: none !important;}
    .Tcontainer {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .portfolio-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .achievement .portfolio-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact {
        padding: 30px 20px;
        margin: 15px 2%;
        gap: 2rem;
    }
    
    .contact-icons {
        gap: 25px;
    }
    
    .icon-container {
        gap: 10px;
    }
    
    .about {
        padding: 30px 20px;
        margin: 15px 2%;
        gap: 2.5rem;
    }
    
    .about-img img {
        max-width: 90%;
    }
    
    .about-gri {
        grid-template-columns: 1fr;
        gap: 1rem;
        text-align: center;
    }
    
    .about-in h5 {
        text-align: left;
        display: flex;
        align-items: center;
        justify-content: flex-start;
    }
}

@media (max-width: 576px) {
    .navbar{display: none !important;}
    .contact {
        padding: 25px 15px;
        margin: 10px 1%;
        gap: 1.8rem;
    }
    
    .contact-text h2 {
        font-size: 1.8rem;
    }
    
    .contact-text h4 {
        font-size: 18px;
    }
    
    .contact-text p {
        font-size: 15px;
    }
    
    .contact-list li a {
        font-size: 15px;
    }
    
    .contact-icons {
        gap: 20px;
    }
    
    .icon {
        width: 40px;
        height: 40px;
    }
    
    .icon i, .icon img {
        font-size: 18px;
    }
    
    .inner {
        padding: 30px 2%;
        margin: 15px 2%;
    }
    
    .Tcontainer {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .skill-box {
        padding: 15px;
    }
    
    .tech_img {
        width: 60px;
        height: 60px;
    }
    
    .skill-icon {
        width: 35px;
        height: 35px;
    }
    
    .skill-title h3 {
        font-size: 14px;
    }
    
    .experience-content .box {
        padding: 25px;
    }
    
    .skills-content .box {
        padding: 25px;
    }
    
    .about {
        padding: 25px 15px;
        margin: 10px 1%;
        gap: 2rem;
    }
    
    .about-text h2 {
        font-size: 2rem;
    }
    
    .about-text h4 {
        font-size: 20px;
        text-align: center;
        margin: 20px 0;
    }
    
    .about-text p {
        font-size: 16px;
        line-height: 1.6;
        margin-bottom: 1.5rem;
    }
    
    .about-gri {
        gap: 0.8rem;
    }
    
    .about-in h5 {
        font-size: 16px;
        padding-left: 20px;
    }
}