@font-face{
    font-family: 'HeliosExt';
    font-weight: 700;
    src: url(font/heliosext_bold.otf);
}

@font-face{
    font-family: 'HeliosExt';
    font-weight: 700;
    font-style: italic;
    src: url(font/heliosext_bold_italic.ttf);
}

@font-face{
    font-family: 'HeliosExt';
    font-weight: 400;
    src: url(font/HeliosExtRegular.otf);
}

@font-face{
    font-family: 'HeliosExt';
    font-weight: 400;
    font-style: italic;
    src: url(font/heliosext_italic.ttf);
}

@font-face{
    font-family: 'RFDewiExt';
    font-weight: 400;
    src: url(font/RFDewiExtended-Regular.ttf);
}

@font-face{
    font-family: 'RFDewiExt';
    font-weight: 700;
    src: url(font/RFDewiExtended-Bold.ttf);
}

@font-face{
    font-family: 'RFDewiExt';
    font-weight: 300;
    src: url(font/RFDewiExtended-Light.ttf);
}

:root {
    --clr-main-white: #fdfdfd;
    --clr-main-black: #1C1C1C;
    --clr-secondary-black: #3E3E3E;
    --clr-accent: #1F8195;

    --main-transition: all .3s ease-in-out;
}

* {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
}

body {
    position: relative;
    margin: auto;
    padding: 0;
    min-width: 320px;
    color: var(--clr-secondary-black);
    background-color: var(--clr-main-white);
    font-family: 'HeliosExt', sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: -0.02em;
    overflow-x: hidden;
}

@media (min-width: 1600px) {
    .container {
        max-width: 1440px;
    }
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin: 0;
    padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'RFDewiExt', sans-serif;
    color: var(--clr-main-black);
    font-weight: 700;
}

ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

a {
    cursor: pointer;
    text-decoration: none;
    transition: var(--main-transition);
}

a:hover {
    color: var(--clr-accent);
}

.img-wrapper {
    line-height: 0;
    overflow: hidden;
}

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

.text-wrapper > *:not(:last-child) {
    margin-bottom: 1rem;
}

.text-wrapper ul {
    margin: unset;
    padding: 0 1.5rem;
    list-style: unset;
}

.text-wrapper ul li:not(:last-child) {
    margin-bottom: 10px;
}

.line {
    width: 100%;
    height: 1px;
    background-color: var(--clr-secondary-black);
}

/* Swiper */
.swiper {
    width: 100%;
    height: auto;
}

.arrows {
    flex-shrink: 0;
    gap: 30px;
}

/* Colors */
.clr-accent {
    color: var(--clr-accent);
}

.clr-main-black {
    color: var(--clr-main-black);
}

/* Button */
.btn {
    padding: 16px 32px;
    font-weight: 700;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    font-family: 'RFDewiExt', sans-serif;
    color: var(--clr-main-white);
    background-color: var(--clr-accent);
    border: 1px solid var(--clr-accent);
    border-radius: 0;
}

.btn.transparent {
    background-color: transparent;
    color: var(--clr-accent);
}

/* Text */
.heading-1 {
    font-weight: 700;
    font-size: 72px;
    line-height: 90px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.heading-3 {
    font-weight: 700;
    font-size: 40px;
    line-height: 60px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.heading-4 {
    font-weight: 700;
    font-size: 32px;
    line-height: 48px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.heading-5 {
    font-weight: 700;
    font-size: 20px;
    line-height: 30px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.italic {
    font-style: italic;
}

.light {
    font-weight: 300;
}

.strong {
    font-weight: 700;
}

/* Header */
.header {
    border-bottom: 1px solid var(--clr-main-black);
}

.header .nav-link {
    font-weight: 400;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: -0.02em;
    font-family: 'RFDewiExt', sans-serif;
    text-transform: uppercase;
}

/* Hero */
.hero .row {
    --bs-gutter-x: 5.5rem;
}

.hero .img-wrapper {
    width: 100%;
    height: 500px;
}

.hero .img-wrapper.big {
    height: 600px;
}

.hero .button {
    position: absolute;
    bottom: -100px;
    left: -80px;
    width: 300px;
    height: 300px;
    border: 30px solid var(--clr-main-white);
    border-radius: 50%;
    background-color: var(--clr-accent);
    cursor: pointer;
}

.hero .button .text {
    position: absolute;
    width: 240px;
    height: 240px;
    animation: rotation 20s infinite linear;
}

.hero .button .arrow {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

@keyframes rotation {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(-359deg);
    }
}

/* About */
.about .img-wrapper {
    height: 100%;
}

/* Portfolio */
.portfolio .swiper-slide {
    width: 60%;
    border-bottom: 1px solid var(--clr-secondary-black);
}

.portfolio .swiper-slide .img-wrapper {
    width: 100%;
    height: 500px;
}

/* Service */
.service .swiper-slide {
    width: 400px;
}

.service .swiper-slide .info {
    border-bottom: 1px solid var(--clr-secondary-black);
}

.service .swiper-slide:nth-child(2n-1) .img-wrapper {
    width: 100%;
    height: 500px;
}

.service .swiper-slide:nth-child(2n) .img-wrapper {
    width: 100%;
    height: 700px;
}

/* Proposition */
.proposition .button {
    position: relative;
    width: 300px;
    height: 300px;
    border: 30px solid var(--clr-main-white);
    border-radius: 50%;
    background-color: var(--clr-accent);
    cursor: pointer;
    transform: translateY(-32px);
}

.proposition .button .text {
    position: absolute;
    width: 240px;
    height: 240px;
    animation: rotation 20s infinite linear;
}

.proposition .button .arrow {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.proposition .img-wrapper {
    height: 600px;
}

/* Solutions */
.solutions .img-wrapper {
    height: 500px;
}

.solutions .wrapp.bdtop {
    border-top: 1px solid var(--clr-secondary-black);
}

/* Reviews */
.reviews .swiper-slide {
    width: 80%;
}

.reviews .swiper-slide .img-wrapper {
    width: 60%;
    height: 500px;
    flex-shrink: 0;
}

/* FAQ */
.faq .accordion {
    --bs-accordion-color: var(--clr-secondary-black);
    --bs-accordion-bg: transparent;
    --bs-accordion-transition: var(--main-transition);
    --bs-accordion-border-color: transparent;
    --bs-accordion-border-width: 0;
    --bs-accordion-border-radius: 0;
    --bs-accordion-inner-border-radius: 0;
    --bs-accordion-btn-padding-x: 0;
    --bs-accordion-btn-padding-y: 1.5rem;
    --bs-accordion-btn-color: var(--clr-main-black);
    --bs-accordion-btn-bg: transparent;
    --bs-accordion-btn-icon: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M12 2C11.4477 2 11 2.44772 11 3V11H3C2.44772 11 2 11.4477 2 12C2 12.5523 2.44772 13 3 13H11V21C11 21.5523 11.4477 22 12 22C12.5523 22 13 21.5523 13 21V13H21C21.5523 13 22 12.5523 22 12C22 11.4477 21.5523 11 21 11H13V3C13 2.44772 12.5523 2 12 2Z' fill='%231C1C1C'/%3E%3C/svg%3E%0A");
    --bs-accordion-btn-icon-width: 24px;
    --bs-accordion-btn-icon-transform: rotate(-315deg);
    --bs-accordion-btn-icon-transition: transform 0.3s ease-in-out;
    --bs-accordion-btn-active-icon: url("data:image/svg+xml,%3Csvg width='24' height='24' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M12 2C11.4477 2 11 2.44772 11 3V11H3C2.44772 11 2 11.4477 2 12C2 12.5523 2.44772 13 3 13H11V21C11 21.5523 11.4477 22 12 22C12.5523 22 13 21.5523 13 21V13H21C21.5523 13 22 12.5523 22 12C22 11.4477 21.5523 11 21 11H13V3C13 2.44772 12.5523 2 12 2Z' fill='%231C1C1C'/%3E%3C/svg%3E%0A");
    --bs-accordion-btn-focus-border-color: transparent;
    --bs-accordion-btn-focus-box-shadow: none;
    --bs-accordion-body-padding-x: 0;
    --bs-accordion-body-padding-y: 1.5rem;
    --bs-accordion-active-color: var(--clr-accent);
    --bs-accordion-active-bg: transparent;
}

.faq .accordion-item {
    border-bottom: 1px solid var(--clr-secondary-black);
}

.faq h2 button {
    font-weight: 700;
    font-size: 20px;
    line-height: 30px;
    letter-spacing: -0.02em;
    text-transform: uppercase;
}

.faq .accordion-body {
    padding-top: 0;
}

/* Contact */
.contact .social {
    gap: 10px;
}

.contact .img-wrapper {
    height: 650px;
}

.contact .wrapper a {
    font-weight: 600;
}

form input,
form textarea {
    color: var(--clr-main-black);
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--clr-secondary-black);
    padding: 1rem 0;
    outline: none;
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
}

form input::placeholder,
form textarea::placeholder {
    color: var(--clr-secondary-black);
}

form .btn {
    margin-top: 30px;
}

/* Footer */
.footer {
    color: var(--clr-main-white);
    background-color: var(--clr-accent);
}

.footer .line {
    background-color: var(--clr-main-white);
    opacity: .3;
}

.footer .heading-5 {
    color: var(--clr-main-white);
}

.footer a {
    color: var(--clr-main-white);
}

.footer a:hover {
    color: var(--clr-main-white);
}

@media (max-width: 1599px) {
    .header .buttons.d-none.d-lg-flex .d-inline-block {
        display: none !important;
    }

    .hero .button {
        left: 0;
    }

    .service .swiper-slide {
        width: 350px;
    }
}

@media (max-width: 1199px) {
    .heading-1 {
        font-size: 48px;
        line-height: 60px;
    }

    .heading-3 {
        font-size: 30px;
        line-height: 40px;
    }

    .heading-4 {
        font-size: 24px;
        line-height: 36px;
    }

    .hero .row {
        --bs-gutter-x: 1.5rem;
    }
}

@media (max-width: 991px) {
    .heading-1 {
        font-size: 32px;
        line-height: 40px;
    }

    .hero .img-wrapper {
        height: 240px;
    }

    .hero .img-wrapper.big {
        height: 300px;
    }

    .hero .button {
        position: relative;
        display: block;
        bottom: 80px;
        left: 50%;
        transform: translateX(-50%);
    }

    .portfolio .swiper-slide {
        width: 100%;
    }

    .portfolio .swiper-slide .img-wrapper {
        height: 240px;
    }

    .service .swiper-slide {
        width: 100%;
    }

    .service .swiper-slide:nth-child(2n-1) .img-wrapper {
        height: 240px;
    }

    .service .swiper-slide:nth-child(2n) .img-wrapper {
        height: 300px;
    }

    .btn {
        padding: 12px 24px;
    }

    .arrows {
        justify-content: space-between;
    }

    .arrows img {
        width: 40px;
    }

    .proposition .button {
        transform: translateY(50px);
    }

    .proposition .img-wrapper {
        height: 240px;
    }

    .solutions .img-wrapper {
        height: 240px;
    }

    .reviews .swiper-slide {
        width: 100%;
    }

    .reviews .swiper-slide .img-wrapper {
        width: 100%;
        height: 240px;
        flex-shrink: 0;
    }

    .faq h2 button {
        font-size: 16px;
        line-height: 24px;
    }

    .contact .img-wrapper {
        height: 240px;
    }

    .footer-logo img {
        width: 100%;
    }
}