:root {
    --light-gray: #d6d6d6;
    --light-gray-70: #d6d6d6b3;
    --gray: #383838;
    --dark-gray: #2b2b2c;
    --dark-gray-70: #2b2b2cb3;
    --black-1: #202022;
    --black-2: #121212;
    --black-50: #00000080;
    --white-1: #fafafa;
    --white-2: #ffffff;
    --light-red: #bf4932;
    --dark-red: #d62e0d;
    --yellowish: #b8bf4c;

    --gradient-gray: linear-gradient(
        to bottom right,
        #2d2d2e40 0%,
        #1b1b1d00 100%
    ), #202022;
    --gradient-dark-gray-1: linear-gradient(
        to bottom right,
        #3f3f40 3%,
        #303030 97%
    );
    --gradient-dark-gray-2: linear-gradient( /*border*/
        to bottom right,
        #404040 0%,
        #40404000 50%
    );
    --gradient-red-1: linear-gradient(
        to bottom right,
        #bb4730 0%,
        #af2d13 50%
    );
    --gradient-red-2: linear-gradient(
        135deg,
        #bb473040 0%,
        #af2d1300 60%
    ), #202022;
    --gradient-red-3: linear-gradient( /*text*/
        to right,
        #bb4730,
        #bb3030
    );


    --font-sarpanch: 'Sarpanch', sans-serif;

    --fontSize-1: 2.4rem;
    --fontSize-2: 1.8rem;
    --fontSize-3: 1.7rem;
    --fontSize-4: 1.6rem;
    --fontSize-5: 1.5rem;
    --fontSize-6: 1.4rem;
    --fontSize-7: 1.3rem;
    --fontSize-8: 1.1rem;

    --fontWeight-400: 400;
    --fontWeight-500: 500;
    --fontWeight-600: 600;
    --fontWeight-700: 700;


    --shadow-1: -4px 8px 24px #00000040;
    --shadow-2: 0 16px 30px #00000040;
    --shadow-3: 0 16px 40px #00000040;
    --shadow-4: 0 25px 50px #00000026;
    --shadow-5: 0 24px 80px #00000040;


    --transition-1: 250ms ease;
    --transition-2: 500ms ease-in-out;
}



*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
}

li {
    list-style: none;
    text-decoration: none;
}

img, ion-icon, a, button, time, span {
    display: block;
}

button {
    font: inherit;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
}

input, textarea {
    display: block;
    width: 100%;
    background: none;
    font: inherit;
}

::selection {
    background: var(--light-red);
    color: var(--black-2);
}

:focus {
    outline-color: var(--light-red);
}

html {
    font-family: var(--font-sarpanch);
    font-size: 10px;
    scroll-behavior: smooth;
}

body {
    background: var(--black-2);
    color: var(--white-1);
}

::-webkit-scrollbar {
    width: 16px;
}

::-webkit-scrollbar-track {
    background: var(--black-2);
}

::-webkit-scrollbar-thumb {
    border: 5px solid var(--black-2);
    background: var(--light-red);
    border-radius: 20px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dark-red);
}

::-webkit-scrollbar-button {
    height: 20px;
}



.sidebar,
article {
    background: var(--black-1);
    border: 1px solid var(--gray);
    border-radius: 20px;
    padding: 15px;
    box-shadow: var(--shadow-1);
    z-index: 1;
}

.separator {
    width: 100%;
    height: 1px;
    background: var(--gray);
    margin: 16px 0;
}

.icon-box {
    position: relative;
    background: var(--gradient-dark-gray-1);
    width: 30px;
    height: 30px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: var(--fontSize-4);
    color: var(--light-red);
    box-shadow: var(--shadow-1);
    z-index: 1;
}

.icon-box::before {
    content: "";
    position: absolute;
    inset: 1px;
    background-color: var(--black-2);
    border-radius: inherit;
    z-index: -1;
}

.icon-box ion-icon {
    --ionicon-stroke-width: 35px;
}

article {
    display: none;
}

article.active {
    display: block;
    animation: fade 500ms ease backwards;
}

@keyframes fade {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.h2,
.h3,
.h4,
.h5 {
    color: var(--white-1);
    text-transform: capitalize;
}

.h2 {
    font-size: var(--fontSize-1);
}

.h3 {
    font-size: var(--fontSize-2);
}

.h4 {
    font-size: var(--fontSize-4);
}

.h5 {
    font-size: var(--fontSize-7);
    font-weight: var(--fontWeight-600);
}

.article-title {
    position: relative;
    padding-bottom: 7px;
    margin-bottom: 30px;
}

.article-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 3px;
    background: var(--gradient-red-3);
    border-radius: 3px;
}

.content-card {
    position: relative;
    background: var(--gradient-dark-gray-2);
    padding: 15px;
    padding-top: 45px;
    border-radius: 14px;
    box-shadow: var(--shadow-2);
    z-index: 1;
}

.content-card::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--gradient-gray);
    border-radius: inherit;
    z-index: -1;
}



main {
    margin: 15px 12px;
    margin-bottom: 75px;
    min-width: 259px;
}



.sidebar {
    margin-bottom: 15px;
    max-height: 112px;
    overflow: hidden;
    transition: var(--transition-2);
}

.sidebar.active {
    max-height: 405px;
}

.sidebar-info {
    position: relative;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
}

.avatar-box {
    background: var(--gradient-dark-gray-1);
    border-radius: 50%;
}

.avatar-box img {
    border-radius: inherit;
}

.info-content .name {
    color: var(--white-2);
    font-size: var(--fontSize-3);
    font-weight: var(--fontWeight-600);
    letter-spacing: -0.25px;
    margin-bottom: 10px;
}

.info-content .title {
    color: var(--white-1);
    background: var(--dark-gray);
    font-size: var(--fontSize-8);
    font-weight: var(--fontWeight-400);
    width: max-content;
    padding: 4px;
    border-radius: 8px;
}

.info-more-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    border-radius: 0 15px;
    font-size: var(--fontSize-7);
    color: var(--light-red);
    background-color: var(--gradient-dark-gray-1);
    padding: 10px;
    box-shadow: var(--shadow-2);
    transition: var(--transition-1);
    z-index: 1;
}

.info-more-btn::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: var(--gradient-gray);
    transition: var(--transition-1);
    z-index: -1;
}

.info-more-btn:is(:hover, :focus) {
    background: var(--gradient-red-1);
}

.info-more-btn:hover::before, 
.info-more-btn:focus::before {
    background: var(--gradient-red-2);
}

.info-more-btn span {
    display: none;
}

.sidebar-info-more {
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-2);
}

.sidebar.active .sidebar-info-more {
    opacity: 1;
    visibility: visible;
}

.contact-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.contact-item {
    min-width: 100%;
    display: flex;
    align-items: center;
    gap: 16px;
}

.contact-info {
    max-width: calc(100% - 46px);
    width: calc(100% - 46px);
}

.contact-title {
    color: var(--light-gray-70);
    font-size: var(--fontSize-8);
    text-transform: uppercase;
    margin-bottom: 2px;
}

.contact-info :is(.contact-link, time, address) {
    color: var(--white-1);
    font-size: var(--fontSize-7);
}

.contact-info address {
    font-style: normal;
}

.contact-info .contact-link:hover {
    color: var(--light-red);
}

.socials-list {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
    padding-bottom: 4px;
    padding-left: 7px;
}

.social-item .social-link {
    color: var(--light-gray-70);
    font-size: var(--fontSize-2);
}

.social-item .social-link:hover {
    color: var(--light-gray);
}



.navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--dark-gray-70);
    backdrop-filter: blur(10px);
    border: 1px solid var(--gray);
    border-radius: 12px 12px 0 0;
    box-shadow: var(--shadow-2);
    z-index: 4;
}

.navbar-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    padding: 0 10px;
}

.navbar-link {
    color: var(--light-gray);
    font-size: var(--fontSize-7);
    padding: 20px 7px;
    transition: var(--transition-1);
}

.navbar-link:is(:hover, :focus) {
    color: var(--light-gray-70);
}

.navbar-link.active {
    color: var(--light-red);
}



.about-text {
    color: var(--light-gray);
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-400);
    line-height: 1.6;
}

.about-text p {
    margin-bottom: 15px;
}

.about-text a {
    display: inline-block;
    text-decoration: none;
    color: var(--light-red);
}

.about-text a:hover {
    text-decoration: underline;
}


.service-title {
    margin-bottom: 20px;
}

.service-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.service-item {
    position: relative;
    background: var(--gradient-dark-gray-2);
    padding: 20px;
    border-radius: 14px;
    box-shadow: var(--shadow-2);
    z-index: 1;
}

.service-item::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--gradient-gray);
    border-radius: inherit;
    z-index: -1;
}

.service-icon-box {
    margin-bottom: 10px;
}

.service-icon-box img {
    margin: auto;
}

.service-content-box {
    text-align: center;
}

.service-item-title {
    margin-bottom: 7px;
}

.service-item-text {
    color: var(--light-gray);
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-400);
    line-height: 1.6;
}



.timeline {
    margin-bottom: 30px;
}

.timeline .title-wrapper {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.timeline-list {
    font-size: var(--fontSize-6);
    margin-left: 45px;
}

.timeline-item {
    position: relative;
}

.timeline-item:not(:last-child) {
    margin-bottom: 20px;
}

.timeline-item:not(:last-child)::before {
    content: "";
    position: absolute;
    top: -25px;
    left: -30px;
    width: 1px;
    height: calc(100% + 60px);
    background: var(--gray);
}

.timeline-item::after {
    content: "";
    position: absolute;
    top: 8px;
    left: -32px;
    width: 6px;
    height: 6px;
    background: var(--gradient-red-3);
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--gray);
}

.timeline-item-title {
    color: var(--white-2);
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-700);
    margin-bottom: 5px;
}

.timeline-item-subtitle {
    color: var(--light-gray-70);
    font-size: var(--fontSize-8);
    font-weight: var(--fontWeight-500);
    margin-bottom: 7px;
}

.timeline-list span {
    color: var(--dark-red);
    font-weight: var(--fontWeight-500);
    line-height: 1.6;
}

.timeline-text {
    color: var(--light-gray);
    font-weight: var(--fontWeight-400);
    line-height: 1.6;
}



.skills-title {
    margin-bottom: 20px;
}

.skills-list {
    padding: 20px;
}

.skills-item:not(:last-child) {
    margin-bottom: 15px;
}

.skills .title-wrapper {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 8px;
}

.skills .title-wrapper data {
    color: var(--light-gray);
    font-size: var(--fontSize-7);
    font-weight: var(--fontWeight-400);
}

.skill-progress-bg {
    background: var(--dark-gray);
    width: 100%;
    height: 8px;
    border-radius: 10px;
}

.skill-progress-fill {
    background: var(--gradient-red-3);
    height: 100%;
    border-radius: inherit;
}



.filter-list {
    display: none;
}

.filter-select-box {
    position: relative;
    margin-bottom: 25px;
}

.filter-select {
    background: var(--black-2);
    color: var(--light-gray);
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray);
    border-radius: 14px;
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-400);
}

.filter-select.active .select-icon {
    transform: rotate(0.5turn);
}

.select-list {
    background: var(--black-2);
    position: absolute;
    top: calc(100% + 5px);
    width: 100%;
    padding: 6px;
    border: 1px solid var(--gray);
    border-radius: 14px;
    z-index: 2;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: 150ms ease-in-out;
}

.filter-select.active + .select-list {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.select-item button {
    background: var(--black-2);
    color: var(--light-gray);
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-400);
    text-transform: capitalize;
    width: 100%;
    padding: 8px 10px;
    border-radius: 8px;
}

.select-item button:hover {
    background: var(--black-1);
}

.project-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 10px;
}

.project-item {
    display: none;
}

.project-item.active {
    display: block;
    animation: scaleUp 250ms ease forwards;
}

@keyframes scaleUp {
    0% {
        transform: scale(0.5);
    }
    100% {
        transform: scale(1);
    }
}

.project-item > a {
    width: 100%;
}

.project-img {
    position: relative;
    width: 100%;
    height: 200px;
    border-radius: 16px;
    border: 2px solid var(--black-2);
    overflow: hidden;
    margin-bottom: 15px;
}

.project-img::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    z-index: 1;
    transition: var(--transition-1);
}

.project-item > a:hover .project-img::before {
    background: var(--black-50);
}

.project-item-icon-box {
    --scale: 0.8;

    background: var(--gray);
    color: var(--light-red);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(var(--scale));
    font-size: 20px;
    padding: 18px;
    border-radius: 12px;
    opacity: 0;
    z-index: 1;
    transition: var(--transition-1);
}

.project-item > a:hover .project-item-icon-box {
    --scale: 1;

    opacity: 1;
}

.project-item-icon-box ion-icon {
    --ionicon-stroke-width: 50px;
}

.project-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-item > a:hover img {
    transform: scale(1.05);
}

.project-title,
.project-category {
    margin-left: 10px;
}

.project-title {
    color: var(--white-2);
    font-size: var(--fontSize-5);
    font-weight: var(--fontWeight-500);
    text-transform: capitalize;
    line-height: 1.3;
}

.project-category {
    color: var(--light-gray-70);
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-400);
}



.mapbox {
    position: relative;
    width: 100%;
    height: 250px;
    border-radius: 16px;
    margin-bottom: 40px;
    border: 1px solid var(--gray);
    overflow: hidden;
}

.mapbox figure {
    height: 100%;
}

.mapbox iframe {
    width: 100%;
    height: 100%;
    border: none;
    filter: grayscale(1) invert(1);
}


.form-title {
    margin-bottom: 20px;
}

.input-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 10px;
}

.form-input {
    color: var(--white-1);
    font-size: var(--fontSize-6);
    font-weight: var(--fontWeight-500);
    padding: 13px 20px;
    border: 1px solid var(--gray);
    border-radius: 14px;
    outline: none;
}

.form-input::placeholder {
    font-weight: var(--fontWeight-600);
}

.form-input:focus {
    border-color: var(--light-red);
}

textarea.form-input {
    min-height: 100px;
    height: 120px;
    max-height: 200px;
    resize: vertical;
    margin-bottom: 25px;
}

textarea.form-input::-webkit-resizer {
    display: none;
}

.form-input:focus:invalid {
    border-color: var(--yellowish);
}

.form-btn {
    position: relative;
    width: 100%;
    background: var(--gradient-dark-gray-2);
    color: var(--light-red);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    padding: 13px 20px;
    border-radius: 14px;
    font-size: var(--fontSize-6);
    text-transform: capitalize;
    box-shadow: var(--shadow-3);
    z-index: 1;
    transition: var(--transition-1);
}

.form-btn::before {
    content: "";
    position: absolute;
    inset: 1px;
    background: var(--gradient-gray);
    border-radius: inherit;
    z-index: -1;
    transition: var(--transition-1);
}

.form-btn ion-icon {
    font-size: var(--fontSize-4);
}

.form-btn:hover {
    background: var(--gradient-red-1);
}

.form-btn:hover::before {
    background: var(--gradient-red-2);
}

.form-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-btn:disabled:hover {
    background: var(--gradient-dark-gray-2);
}

.form-btn:disabled:hover::before {
    background: var(--gradient-gray);
}



@media(min-width: 450px) {
    .project-img {
        height: auto;
    }
}

@media(min-width: 580px) {
    :root {
        --fontSize-1: 3.2rem;
        --fontSize-2: 2.4rem;
        --fontSize-3: 2.6rem;
        --fontSize-4: 1.8rem;
        --fontSize-6: 1.5rem;
        --fontSize-7: 1.5rem;
        --fontSize-8: 1.2rem;
    }



    .sidebar, article {
        width: 520px;
        margin-inline: auto;
        padding: 30px;
    }

    .article-title {
        font-weight: var(--fontWeight-700);
        padding-bottom: 15px;
    }

    .article-title::after {
        width: 40px;
        height: 5px;
    }

    .icon-box {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        font-size: var(--fontSize-4);
    }

    .content-card {
        padding: 30px;
        padding-top: 25px;
    }



    main {
        margin-top: 60px;
        margin-bottom: 100px;
    }



    .sidebar {
        max-height: 180px;
        margin-bottom: 30px;
    }

    .sidebar.active {
        max-height: 584px;
    }

    .sidebar-info {
        gap: 25px;
    }

    .avatar-box {
        border-radius: 30px;
    }

    .avatar-box img {
        width: 120px;
    }

    .info-content .name {
        margin-bottom: 15px;
    }

    .info-content .title {
        padding: 5px 18px;
    }

    .info-more-btn {
        top: -30px;
        right: -30px;
        padding: 10px 15px;
    }

    .info-more-btn span {
        display: block;
        font-size: var(--fontSize-8);
    }

    .info-more-btn ion-icon {
        display: none;
    }

    .separator {
        margin: 32px 0;
    }

    .contact-list {
        gap: 20px;
    }

    .contact-info {
        max-width: calc(100% - 64px);
        width: calc(100% - 64px);
    }



    .navbar {
        border-radius: 20px 20px 0 0;
    }

    .navbar-list {
        gap: 20px;
    }

    .navbar-link {
        --fontSize-8: 1.4rem;
    }



    .about .article-title {
        margin-bottom: 20px;
    }

    .about-text {
        margin-bottom: 40px;
    }

    
    .service-item {
        display: flex;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 18px;
        padding: 30px;
    }

    .service-icon-box {
        margin-top: 5px;
        margin-bottom: 0;
    }

    .service-content-box {
        text-align: left;
    }



    .timeline-list {
        margin-left: 65px;
    }

    .timeline-item:not(:last-child)::before {
        left: -42px;
    }

    .timeline-item::after {
        width: 8px;
        height: 8px;
        left: -45px;
    }

    .skills-item:not(:last-child) {
        margin-bottom: 25px;
    }



    .project-img {
        border-radius: 16px;
    }

    

    .mapbox {
        height: 380px;
        border-radius: 18px;
    }

    .input-wrapper {
        gap: 15px;
        margin-bottom: 15px;
    }

    .form-input {
        padding: 15px 20px;
    }

    textarea.form-input {
        margin-bottom: 15px;
    }

    .form-btn {
        --fontSize-6: 1.6rem;
        padding: 16px 20px;
    }

    .form-btn ion-icon {
        font-size: var(--fontSize-4);
    }
}

@media(min-width: 768px) {
    .sidebar, article {
        width: 700px;
    }

    .article-title {
        padding-bottom: 20px;
    }



    .contact-list {
        grid-template-columns: 1fr 1fr;
        gap: 30px 15px;
    }



    .navbar-link {
        --fontSize-8: 1.5rem;
    }



    .filter-select-box {
        display: none;
    }

    .filter-list {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        gap: 25px;
        padding-left: 5px;
        margin-bottom: 30px;
    }

    .filter-item button {
        color: var(--light-gray);
        font-size: var(--fontSize-5);
        transition: var(--transition-1);
    }

    .filter-item button:hover {
        color: var(--light-gray-70);
    }

    .filter-item button.active {
        color: var(--light-red);
    }

    .project-list {
        grid-template-columns: 1fr 1fr;
    }



    .input-wrapper {
        grid-template-columns: 1fr 1fr;
    }

    .form-btn {
        width: max-content;
        margin-left: auto;
    }
}

@media(min-width: 1024px) {
    :root {
        --shadow-1: -4px 8px 24px #00000020;
        --shadow-2: 0 16px 30px #00000020;
        --shadow-3: 0 16px 40px #00000020;
    }



    .sidebar, article {
        width: 950px;
        box-shadow: var(--shadow-5);
    }



    .main {
        margin-bottom: 60px;
    }

    .main-content {
        position: relative;
        width: max-content;
        margin: auto;
    }



    .navbar {
        position: absolute;
        top: 0;
        bottom: auto;
        right: 0;
        left: auto;
        width: max-content;
        border-radius: 0 20px;
        padding: 0 20px;
        box-shadow: none;
    }

    .navbar-list {
        gap: 30px;
        padding: 0 20px;
    }

    .navbar-link {
        font-weight: var(--fontWeight-600);
    }



    .service-list {
        grid-template-columns: 1fr 1fr;
        gap: 20px 25px;
    }



    .project-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media(min-width: 1250px) {
    .sidebar, article {
        width: auto;
    }

    article {
        min-width: 100%;
    }



    main {
        max-width: 1200px;
        margin-inline: auto;
        display: flex;
        justify-content: center;
        align-items: stretch;
        gap: 25px;
    }

    .main-content {
        min-width: 70%;
        width: 70%;
        margin: 0;
    }




    .sidebar {
        position: sticky;
        top: 60px;
        max-height: 30%;
        height: 100%;
        margin-bottom: 0;
        padding-top: 60px;
        z-index: 1;
    }

    .sidebar-info {
        flex-direction: column;
    }

    .avatar-box img {
        width: 150px;
    }

    .info-content .name {
        white-space: nowrap;
        text-align: center;
    }

    .info-content .title {
        margin: auto;
    }

    .info-more-btn {
        display: none;
    }

    .sidebar-info-more {
        opacity: 1;
        visibility: visible;
    }

    .contact-list {
        grid-template-columns: 1fr;
    }

    .contact-info :is(.contact-link) {
        white-space: nowrap;
        overflow: hidden;
    }

    .contact-info :is(.contact-link, time, address) {
        --fontSize-7: 14px;
        font-weight: var(--fontWeight-400);
    }

    .separator:last-of-type {
        margin: 15px 0;
        opacity: 0;
    }

    .socials-list {
        justify-content: center;
    }



    .timeline-text {
        max-width: 700px;
    }
}