* {
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
    border: 0;
    outline: 0;
    box-sizing: border-box;
}

:root {
    --container-width-lg: 80%;
    --container-width-sm: 94%;

    --radius-1: 2rem;
    --radius-2: 1.2rem;
    --radius-3: 0.8rem;
    --radius-4: 0.5rem;
    --radius-5: 0.3rem;

    --transition: all 300ms ease;

    --primary-hue: 222;
    --color-primary: hsl(var(--primary-hue), 87%, 44%);
    --color-nav-bg: hsla(var(--primary-hue), 0%, 100%, 0.4);
    --color-gray-100: hsl(var(--primary-hue), 0%, 100%);
    --color-gray-200: hsl(var(--primary-hue), 0%, 95%);
    --color-gray-300: hsl(var(--primary-hue), 0%, 85%);
    --color-gray-400: hsl(var(--primary-hue), 0%, 70%);
    --color-gray-500: hsl(var(--primary-hue), 0%, 55%);
    --color-gray-600: hsl(var(--primary-hue), 0%, 40%);
    --color-gray-700: hsl(var(--primary-hue), 0%, 25%);
    --color-gray-800: hsl(var(--primary-hue), 0%, 15%);
    --color-gray-900: hsl(var(--primary-hue), 0%, 5%);
}


.dark {
    --color-gray-100: hsl(var(--primary-hue), 0%, 5%);
    --color-gray-200: hsl(var(--primary-hue), 0%, 15%);
    --color-gray-300: hsl(var(--primary-hue), 0%, 30%);
    --color-gray-400: hsl(var(--primary-hue), 0%, 40%);
    --color-gray-500: hsl(var(--primary-hue), 0%, 50%);
    --color-gray-600: hsl(var(--primary-hue), 0%, 60%);
    --color-gray-800: hsl(var(--primary-hue), 0%, 80%);
    --color-gray-900: hsl(var(--primary-hue), 0%, 100%);

    --color-nav-bg: hsla(var(--primary-hue), 0%, 0%, 0.4);
}


::-webkit-scrollbar {
    width: 0.5rem;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary); 
}
::-webkit-scrollbar-thumb:hover {

    background: #FAA236; 
}


html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--color-gray-100);
    color: var(--color-gray-800);
    line-height: 1.7;
    font-weight: 300;
}

p, a, figcaption {
    font-size: 0.85rem;
}

.container {
    width: var(--container-width-lg);
    margin-inline: auto;
}

img {
    display: block;
    width: 100%;
    object-fit: cover;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    line-height: 1;
}

h1 {
    font-size: 3rem;
    font-weight: 800;
}

h2 {
    font-size: 2rem;
}

.btn {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
    font-weight: 500;
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: var(--radius-3);
    width: fit-content;
    cursor: pointer;
    transition: var(--transition);
}

.btn.sm {
    padding: 0.4rem 1rem;
    font-weight: 400;
    border-radius: var(--radius-4);
}

.btn.primary {
    background: var(--color-primary);
    color: white;
}

.btn:hover {
    background: var(--color-gray-900);
    color: var(--color-gray-100);
}

section {
    padding: 9rem 0;
}

section > h1, section > p {
    width: 50%;
    text-align: center;
    margin-inline: auto;
}

section > h1 {
    margin-bottom: 0.5rem;
}

section:nth-child(odd) {
    background: var(--color-gray-200);
}


/*========================== NAV ==========================*/
nav {
    background: var(--color-nav-bg);
    border-bottom: 1px solid var(--color-gray-300);
    display: grid;
    place-items: center;
    height: 3.8rem;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    -moz-backdrop-filter: blur(15px);
    -o-backdrop-filter: blur(15px);
    -ms-backdrop-filter: blur(15px);
    z-index: 10;
}

.nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    width: 2.4rem;
    aspect-ratio: 1/1;
    border-radius: 50%;
    overflow: hidden;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav__menu a {
    color: var(--color-gray-900);
}

.nav__toggle-open, .nav__toggle-close {
    display: none;
}

.nav__theme-btn {
    color: var(--color-gray-900);
    background: transparent;
    font-size: 1.4rem;
    cursor: pointer;
}









/*========================== HEADER ==========================*/
header {
    display: grid;
    place-items: center;
    min-height: 100vh;
}

.header__container {
    margin-top: 3rem;
    position: relative;
}

.header__image {
    width: 14rem;
    aspect-ratio: 3/4;
    overflow: hidden;
    max-height: 17rem;
    margin-inline: auto;
    border-radius: 7rem 7rem var(--radius-2) var(--radius-2);
}

.header__image img {
    height: 100%;
}

.header__content {
    text-align: center;
    margin-top: 2rem;
    width: 40rem;
    margin-inline: auto;
}

.header__content h4 {
    margin-bottom: 0.7rem;
}

.header__content h4 span {
    color: var(--color-primary);
}

.header__content p {
    margin: 0.8rem 0 2rem;
}

.header__cta {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
}

.header__socials {
    position: absolute;
    bottom: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.header__socials a {
    background: var(--color-gray-200);
    color: var(--color-gray-900);
    padding: 0.5rem;
    display: inline-block;
    border-radius: var(--radius-4);
    transition: var(--transition);
}

.header__socials a:hover {
    background: var(--color-primary);
    color: var(--color-gray-100);
    transform: translate(-0.5rem);
}








/*ABOUT */
.about__container {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 7rem;
}

.about__image {
    border: 1rem solid var(--color-gray-100);
    height: fit-content;
    max-height: 35rem;
    overflow: hidden;
}

.about__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 3rem 0 1.5rem;
}

.about__card {
    background: var(--color-gray-100);
    padding: 1rem;
    border-radius: var(--radius-2);
    text-align: center;
    transition: var(--transition);
    cursor: default;
}

.about__card:hover {
    background: var(--color-primary);
    color: var(--color-gray-100);
    transform: translateY(-0.5rem);
}

.about__card i {
    color: var(--color-primary);
    font-size: 1.4rem;
    display: inline-block;
    padding: 0.5rem;
    border-radius: var(--radius-4);
}

.about__card:hover i {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.about__card h4 {
    margin: 1rem 0 0.8rem;
}

.about__card small {
    font-size: 0.7rem;
}

.about__details p {
    margin-bottom: 0.8rem;
}

.about__details .btn {
    margin-top: 2rem;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.about__details .btn i {
    font-size: 1.2rem;
}











/*========================== SERVICES ==========================*/
.services__container {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 6rem;
    margin-top: 4rem;
}

.services__left {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.services__left li {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-4);
    padding: 1.5rem;
    cursor: pointer;
}

.services__left li:hover, .services__left li.active {
    background: var(--color-gray-200)
}

.services__left li span {
    background: var(--color-primary);
    color: var(--color-gray-100);
    padding: 1rem;
    border-radius: 50%;
    font-size: 1.3rem;
}

.services__left li h3 {
    margin-bottom: 0.5rem;
}

.services__right {
    border-left: 1px solid var(--color-gray-300);
    padding-left: 6rem;
}

.services__right h3 {
    margin-bottom: 1.5rem;
}

.services__right p {
    margin-bottom: 0.8rem;
}







/*========================== PROJECTS ==========================*/
.projects__categories {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    margin: 4rem 0 2.5rem;
    flex-wrap: wrap;
}

.projects__categories li {
    background: var(--color-gray-100);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-4);
    font-weight: 500;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.projects__categories li:hover, li.mixitup-control-active {
    background: var(--color-primary);
    color: var(--color-gray-100);
}

.projects__container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr));
    gap: 3.5rem;
}

.project {
    background: var(--color-gray-100);
    padding: 1.4rem;
    border-radius: var(--radius-2);
    transition: var(--transition);
    /* mixitup animations */
    opacity: 0;
    animation: identifier 1.5s ease forwards;
}

@keyframes identifier {
    to {
        opacity: 1;
    }
}

.project:hover {
    box-shadow: 0 3rem 2rem rgba(0, 0, 0, 0.1);
}

.project__image {
    height: auto;
    max-height: 12rem;
    margin-bottom: 1.5rem;
    border-radius: var(--radius-4);
    overflow: hidden;
}

.project p {
    margin: 0.5rem 0 1.5rem;
}

.project__cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}


/*========================== TESTIMONIALS ==========================*/
.swiper {
    width: var(--container-width-lg);
    margin: 9rem auto;
}

.swiper-wrapper {
    margin-top: 4rem;
    /* style pagination */
    padding-bottom: 4rem;
    height: fit-content;
}

.swiper-slide {
    background: var(--color-gray-200);
    border: 2px solid transparent;
    border-radius: 1rem;
    padding: 1rem 1.2rem;
    height: fit-content;
    cursor: default;
    user-select: none;
    transition: var(--transition);
}

.swiper-slide:hover {
    box-shadow: 0 1rem 1rem rgba(0, 0, 0, 0.1);
}

.swiper__client {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.swiper__client-avatar {
    width: 2.5rem;
    aspect-ratio: 1/1;
    border-radius: 50%;
    overflow: hidden;
}

.swiper-pagination-bullet {
    background: var(--color-primary);
}








/*========================== CONTACT ==========================*/
section.contact {
    background: var(--color-primary);
}

.contact__container {
    width: 50%;
    display: grid;
    grid-template-columns: 1fr 9fr;
    gap: 6rem;
}


.contact__list {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.contact__list-item {
    background: var(--color-gray-100);
    padding: 1rem;
    display: block;
    text-align: center;
    color: var(--color-gray-900);
    border-radius: var(--radius-3);
    font-size: 1.6rem;
    transition: var(--transition);
}

.contact__list-item:hover {
    background: var(--color-gray-900);
    color: var(--color-gray-100);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact__form input, .contact__form textarea {
    background: transparent;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-3);
    padding: 1rem;
    color: var(--color-gray-100);
    resize: none;
}

.contact__form input::placeholder, .contact__form textarea::placeholder {
    color: var(--color-gray-100);
}

.contact__form .btn {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}









/*========================== CONTACT ==========================*/
footer {
    background: hsl(var(--primary-hue), 5%, 5%);
    padding-top: 7rem;
}

.footer__menu {
    display: flex;
    gap: 3rem;
    justify-content: center;
}

.footer__menu a {
    color: hsl(var(--primary-hue), 5%, 70%);
    transition: var(--transition);
}

.footer__menu a:hover {
    color: #fff;
}

.footer__socials {
    width: fit-content;  
    display: flex;
    gap: 1.5rem;
    margin: 3rem auto 4rem;
}

.footer__socials a {
    background: #fff;
    color: rgb(16, 1, 31);
    padding: 0.6rem;
    display: flex;
    border-radius: 50%;
    transition: var(--transition);
}

.footer__socials a:hover {
    background: var(--color-primary);
    color: #fff;
}

.footer__socials a:hover {
    opacity: 0.7;
    transform: translateY(-0.5rem);
}

.footer__copyright {
    color: hsl(var(--primary-hue), 5%, 70%);
    text-align: center;
    border-top: 2px solid hsl(var(--primary-hue), 5%, 25%);
    padding: 1.5rem 0;
}






/*========================== MEDIA QUERIES (small screens) ==========================*/
@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
    }

    p, a, figcaption {
        font-size: 1rem;
    }

    .container {
        width: var(--container-width-sm);
    }

    section {
        padding: 7rem 0;
    }

    section > h1, section > p {
        width: var(--container-width-sm);
    }

    .nav__menu {
        position: fixed;
        right: 0;
        top: 3.8rem;
        flex-direction: column;
        gap: 0;
        width: fit-content;
        display: none;
        perspective: 250px;
    }

    .nav__menu li {
        width: 100%;
    }

    .nav__menu li a {
        background: var(--color-gray-200);
        padding: 1rem 4rem;
        width: 100%;
        display: block;
        border-top: 1px solid var(--color-gray-300);
        text-align: center;
        box-shadow: -2rem 5rem 5rem rgba(0, 0, 0, 0.3);
    }

    .nav__toggle-open, .nav__toggle-close {
        display: inline-block;
        background: transparent;
        font-size: 1.8rem;
        color: var(--color-gray-900);
    }

    .nav__toggle-close {
        display: none;
    }

    .nav__buttons {
        display: flex;
        align-items: center;
        gap: 2.5rem;
    }

    .nav__menu li {
        transform: rotateX(90deg);
        opacity: 0;
        animation: navKey 500ms ease-in-out forwards;
        transform-origin: top;
    }

    .nav__menu li:nth-child(2) {
        animation-delay: 200ms;
    }
    .nav__menu li:nth-child(3) {
        animation-delay: 400ms;
    }
    .nav__menu li:nth-child(4) {
        animation-delay: 600ms;
    }
    .nav__menu li:nth-child(5) {
        animation-delay: 800ms;
    }

    @keyframes navKey {
        to {
            transform: rotateX(0deg);
            opacity: 1;
        }
    }




    header {
        height: 115vh;
    }


    .header__content {
        width: var(--container-width-sm);
        padding-bottom: 3rem;
    }

    .header__socials {
        display: none;
    }

    .header__image {
        width: 50vw;
        aspect-ratio: 4/5;
    }


    .about__container {
        grid-template-columns: 1fr;
    }

    .about__image {
        display: none;
    }

    .about__cards {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }


    .services__container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .services__right {
        padding: 0;
        border: 0;
    }

    .services__right h3 {
        margin-bottom: 0.6rem;
    }

    .projects__categories {
        gap: 0.7rem;
    }

    .projects__categories li {
        padding: 0.8rem 1rem;
    }

    .projects__container {
        gap: 1rem;
    }


    .swiper {
        width: var(--container-width-sm);
    }

    .swiper-wrapper {
        padding-bottom: 3rem;
    }

    .swiper-slide {
        padding: 1.5rem;
    }


    .contact__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact__list {
        flex-direction: row;
        justify-content: center;
    }
    

    .footer__menu {
        flex-direction: column;
        gap: 1.6rem;
        align-items: center;
    }
}

.podcasts__container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.podcast__video {
    max-width: 50%;
}

.podcast__video video {
    width: 100%;
    border-radius: var(--radius-2);
}