:root {
    --gold-web-golden: hsl(50, 95%, 56%);
    --spanish-orange: hsl(24, 100%, 45%);
    --persian-green: hsl(175, 80%, 33%);
    --granite-gray: hsl(0, 0%, 40%);
    --spring-green: hsl(143, 85%, 58%);
    --ultramarine: hsl(260, 100%, 44%);
    --blue-violet: hsl(272, 76%, 53%);
    --smoky-black: hsl(0, 0%, 7%);
    --dark-orange: hsl(33, 100%, 50%);
    --winter-sky: hsl(332, 100%, 51%);
    --cultured-1: hsl(0, 0%, 98%);
    --cultured-2: hsl(0, 0%, 95%);
    --cultured-3: hsl(0, 0%, 94%);
    --light-gray: hsl(0, 0%, 80%);
    --alice-blue: hsl(206, 89%, 93%);
    --white_50: hsla(0, 0%, 100%, 0.5);
    --white-1: hsl(0, 0%, 100%);
    --white-2: hsl(0, 0%, 99%);
    --black: hsl(0, 0%, 0%);
    --bgIndexColor: #111;
    --bgSectionColor: #0d0d0d;

    /**
   * typography
   */

    --ff-spartan: 'Plus Jakarta Sans', sans-serif;

    --fs-1: 3rem;
    --fs-2: 2.7rem;
    --fs-3: 2.2rem;
    --fs-4: 1.8rem;
    --fs-5: 1.6rem;

    --fw-400: 400;
    --fw-500: 500;
    --fw-600: 600;
    --fw-700: 700;
    --fw-900: 900;

    /**
   * spacing
   */

    --section-padding: 60px;

    /**
   * box shadow
   */

    --shadow-1: 0 2px 25px hsla(0, 0%, 0%, 0.1);
    --shadow-2: 0 8px 14px hsla(0, 0%, 0%, 0.1);
    --shadow-3: 0 14px 30px hsla(0, 0%, 0%, 0.05);

    /**
   * border radius
   */

    --radius-6: 6px;
    --radius-12: 12px;

    /**
   * gradient
   */

    --gradient-1: linear-gradient(to right, var(--winter-sky), var(--dark-orange));
    --gradient-2: linear-gradient(to right, var(--ultramarine), var(--blue-violet));
    --gradient-3: linear-gradient(to right, var(--winter-sky), var(--dark-orange));
    --gradient-4: linear-gradient(to right, var(--ultramarine), var(--blue-violet));
    --gradient-5: linear-gradient(to right, var(--persian-green), var(--spring-green));
    --gradient-6: linear-gradient(to right, var(--spanish-orange), var(--gold-web-golden));

    /**
   * transition
   */

    --transition-1: 0.25s ease;
    --transition-2: 0.5s ease;
    --cubic-out: cubic-bezier(0.33, 0.85, 0.4, 0.96);

}

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

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
}

a,
img,
svg,
span,
input,
button,
strong,
ion-icon {
    display: block;
}

img {
    height: auto;
}

input,
button {
    background: none;
    border: none;
    font: inherit;
}

input {
    width: 100%;
}

button {
    cursor: pointer;
}

ion-icon {
    pointer-events: none;
}

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

body {
    background-color: #111;
    color: var(--granite-gray);
    font-size: 1.6rem;
}

:focus-visible {
    outline-offset: 4px;
}

.container {
    padding-inline: 15px;
}

.section {
    padding-block: var(--section-padding);
}

.w-100 {
    width: 100%;
}

h1,
h2,
h3,
h4 {
    color: #ff9300;
    line-height: 33px;
}

.h1 {
    font-size: var(--fs-1);
}

.h2 {
    font-size: var(--fs-2);
}

.h3 {
    font-size: var(--fs-3);
    font-weight: var(--fw-600);
}

.section-text {
    margin-top: 20px;
}

.btn {
    min-height: 50px;
    color: var(--white-1);
    padding-inline: 25px;
    border-radius: var(--radius-6);
}

.btn-primary {
    background-image: var(--gradient-1);
}

.btn-secondary {
    background-image: var(--gradient-2);
}

.btn-link {
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition-1);
}

.btn-link:is(:hover, :focus) {
    letter-spacing: 0.3px;
}

.header .btn {
    display: none;
}

.header {
    background-color: #141414;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding-block: 20px;
    z-index: 4;
}

.header.active {
    position: fixed;
    top: -78px;
    box-shadow: var(--shadow-1);
    animation: slide-in 0.5s var(--cubic-out) forwards;
}

@keyframes slide-in {
    0% {
        transform: translateY(0);
    }

    100% {
        transform: translateY(75px);
    }
}

.header>.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo {
    color: #ffe1b7;
    font-size: 2.3rem;
    font-weight: var(--fw-700);
    line-height: 1;
}

.nav-toggle-btn {
    font-size: 30px;
}

.menu-icon, .close-icon {
    color: #fff;
}

.nav-toggle-btn.active .menu-icon,
.nav-toggle-btn .close-icon {
    display: none;
}

.nav-toggle-btn .menu-icon,
.nav-toggle-btn.active .close-icon {
    display: block;
}

.navbar {
    position: absolute;
    top: 100%;
    left: 50%;
    width: 100%;
    transform: translateX(-50%);
    background-color: #141414;
    box-shadow: var(--shadow-2);
    overflow: hidden;
    visibility: hidden;
    max-height: 0;
    transition: 0.25s var(--cubic-out);
}

.navbar.active {
    visibility: visible;
    max-height: 300px;
    transition-duration: 0.35s;
    background-color: #141414;
}

.navbar-item:not(:last-child) {
    border-block-end: 1px solid #ffffff27;
}

.navbar-link {
    color: var(--white_50);
    font-size: var(--fs-4);
    font-weight: var(--fw-500);
    padding: 16px;
    transition: var(--transition-1);
}

.navbar-link:is(:hover, :focus) {
    color: #ff9100;
}

.navbar-link.ativo {
    color: #ff6200;
}

.hero {
    padding-block-start: calc(73px + var(--section-padding));
    background-color: #0d0d0d;
}

.hero-banner {
    background-color: transparent;
    aspect-ratio: 1 / 0.8;
}

.hero-title {
    margin-block: 30px 15px;
}

.hero-form {
    margin-block: 20px 30px;
}

.input-field {
    background-color: var(--cultured-3);
    padding: 20px 15px;
    border-radius: var(--radius-6);
    margin-block-end: 15px;
}

.input-field::placeholder {
    transition: var(--transition-1);
}

.input-field:focus::placeholder {
    opacity: 0;
}

.hero-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
}

.hero-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.service {
    background-color: #181818;
}

.service :is(.section-title, .section-text) {
    text-align: center;
}

.service .section-text {
    margin-block: 10px 35px;
}

.service-list {
    display: grid;
    gap: 25px;
}

.service-card {
    border-radius: var(--radius-6);
    overflow: hidden;
    box-shadow: var(--shadow-1);
}

.service-card .card-banner {
    background-color: var(--light-gray);
    aspect-ratio: 1 / 0.47;
}

.service-card .card-content {
    padding: 20px;
}

.service-card .card-title {
    transition: var(--transition-1);
}

.service-card .card-title:is(:hover, :focus) {
    color: var(--winter-sky);
}

.service-card .card-text {
    margin-block: 10px 20px;
}

.service-card .btn-link {
    color: var(--ultramarine);
}

.features {
    background-color: #0b0b0b;
}

.features .section-text {
    margin-block: 10px 15px;
}

.features-content {
    margin-block-end: 25px;
}

.features-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: #2a2a2a;
    padding: 15px;
    box-shadow: var(--shadow-3);
    border-radius: var(--radius-6);
    cursor: pointer;
}

.features-item:not(:last-child) {
    margin-block-end: 15px;
}

.features-item .item-title {
    color: #fff;
    font-size: var(--fs-5);
    font-weight: 400;
}

.features-item:hover {
    background-color: #ffffff48;
}

.features-banner {
    max-width: max-content;
    background-color: var(--light-gray);
    border-radius: var(--radius-12);
    overflow: hidden;
}

.features-banner.one {
    aspect-ratio: 1 / 0.83;
    margin-block-end: 25px;
}

.features-banner.two {
    margin-inline: auto;
    aspect-ratio: 1 / 0.71;
}

.about {
    text-align: center;
}

.about .section-text:first-of-type {
    margin-block: 5px 30px;
}

.about-list {
    display: grid;
    gap: 25px;
}

.about-card {
    color: var(--white-1);
    padding: 20px;
    border-radius: var(--radius-12);
}

.about-card-1 {
    background-image: var(--gradient-3);
}

.about-card-2 {
    background-image: var(--gradient-4);
}

.about-card-3 {
    background-image: var(--gradient-5);
}

.about-card-4 {
    background-image: var(--gradient-6);
}

.about-card .card-banner {
    min-width: 150px;
    height: 150px;
    aspect-ratio: 1 / 1;
    background-color: var(--white_50);
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-inline: auto;
    transition: var(--transition-2);
}

.about-card:is(:hover, :focus-within) .card-banner {
    background-color: var(--white-1);
}

.about-card .card-title {
    color: var(--white-1);
    margin-block: 20px 10px;
}

.about-card .card-text {
    line-height: 1.8;
    margin-block-end: 15px;
}

.about .btn-link {
    justify-content: center;
}

.about .section-text:last-of-type {
    max-width: 50ch;
    margin-inline: auto;
    margin-block-start: 25px;
}

.about .section-text:last-of-type .btn-link {
    color: var(--blue-violet);
    display: inline-flex;
}

.about .section-text:last-of-type .btn-link:is(:hover, :focus) {
    color: var(--winter-sky);
    letter-spacing: 0;
}

.stats {
    background-color: var(--cultured-2);
}

.stats-banner {
    max-width: max-content;
    margin-inline: auto;
    aspect-ratio: 1 / 0.78;
    margin-block-end: 25px;
}

.stats-list {
    display: grid;
    gap: 25px;
}

.stats-item {
    position: relative;
    padding-block: 5px;
    padding-inline-start: 15px;
}

.stats-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    border-radius: 5px;
}

.stats-item.purple::before {
    background-color: var(--ultramarine);
}

.stats-item.red::before {
    background-color: var(--winter-sky);
}

.stats-item.green::before {
    background-color: var(--spring-green);
}

.stats-item.yellow::before {
    background-color: var(--dark-orange);
}

.stats-item .item-title {
    color: var(--black);
    font-size: 3.5rem;
    font-weight: var(--fw-900);
    margin-block-end: 5px;
}

.stats-item .item-title .span {
    color: var(--granite-gray);
    font-weight: var(--fw-400);
    display: inline-block;
    font-size: var(--fs-4);
}

.app-content {
    margin-block-end: 25px;
}

.app .section-text {
    margin-block: 5px 10px;
}

.app .btn-group {
    display: flex;
    gap: 15px;
}

.app .btn {
    min-height: auto;
    padding: 15px;
}

.app .btn img {
    margin-block-end: 10px;
}

.app .btn .strong {
    margin-block-start: 5px;
    font-weight: var(--fw-600);
}

.app-banner {
    max-width: max-content;
    margin-inline: auto;
    aspect-ratio: 1 / 0.72;
}

.support {
    background-image: var(--gradient-2);
    color: var(--white-1);
}

.support .section-title {
    color: var(--white-1);
}

.support .section-text {
    margin-block: 10px 15px;
}

.support .btn {
    max-width: max-content;
    display: grid;
    place-items: center;
}

.footer-top {
    background-color: transparent;
}

.footer-top .container {
    display: grid;
    gap: 25px;
}

.footer .logo {
    margin-block-end: 25px;
}

.footer-img {
    width: 190px;
}

.footer-list-title {
    color: var(--white-1);
    font-size: var(--fs-3);
    font-weight: var(--fw-600);
    margin-block-end: 20px;
}

.footer-list>li:not(:last-child) {
    margin-block-end: 15px;
}

.footer-link {
    position: relative;
    max-width: max-content;
    transition: var(--transition-1);
}

.footer-link:is(:hover, :focus) {
    color: #ff6200;
}

.footer-link:is(:hover, :focus)::after {
    opacity: 1;
}

.footer-item {
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.footer-item .span {
    color: #fff;
}

.footer-item-link {
    display: inline-block;
    color: var(--granite-gray);
    transition: var(--transition-1);
}

.footer-item-link:is(:hover, :focus) {
    color: var(--ultramarine);
}

.footer-bottom {
    padding-block: 25px;
    text-align: center;
    line-height: 1.3;
}

.copyright {
    margin-block-end: 15px;
}

.copyright .span {
    display: inline-block;
    color: var(--winter-sky);
    font-weight: var(--fw-500);
}

.copyright-link {
    display: inline-block;
    font-weight: var(--fw-600);
    background-image: var(--gradient-3);
    -webkit-text-fill-color: transparent;
    background-clip: text;
    -webkit-background-clip: text;
}

.footer-bottom-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 5px 20px;
}

.footer-bottom-link {
    transition: var(--transition-1);
    color: #ff9300;;
}

.footer-bottom-link:is(:hover, :focus) {
    color: #ff95007b;
}

.back-top-btn {
    background-color: #0b0b0b;
    color: #fff;
    position: fixed;
    bottom: 10px;
    right: 20px;
    border: 1px solid #ffffff30;
    font-size: 2.2rem;
    padding: 12px;
    border-radius: 10px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-1);
    z-index: 4;
}

.back-top-btn.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(-10px);
}

@media (min-width: 480px) {
    .header .btn {
        display: block;
        margin-inline-start: auto;
        min-height: 40px;
        padding-inline: 15px;
    }

}

@media (min-width: 575px) {
    .container {
        max-width: 540px;
        margin-inline: auto;
    }

    .hero-form {
        position: relative;
    }

    .hero-form .btn {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
    }

    .service-list,
    .about-list,
    .stats-list,
    .footer-top .container {
        grid-template-columns: 1fr 1fr;
    }

    .about-card {
        min-height: 100%;
    }

    .app .btn {
        display: flex;
        align-items: center;
        gap: 15px;
        padding-inline: 25px;
    }

    .app .btn img {
        margin-block-end: 0;
    }

}

@media (min-width: 768px) {
    body {
        font-size: 2rem;
    }

    :root {
        --fs-1: 5rem;
        --fs-2: 3.5rem;
        --fs-3: 2.5rem;

    }

    .container {
        max-width: 720px;
    }

    .header .btn {
        font-size: 1.7rem;
        font-weight: var(--fw-500);
        min-height: 45px;
        padding-inline: 25px;
    }

    .service-card {
        --radius-6: 16px;
    }

    .service-card .card-content {
        padding: 30px;
    }

    .features-item .item-title {
        --fs-5: 2rem;
    }

    .features-banner.two {
        margin-inline: auto 0;
        margin-block-start: -180px;
    }

    .stats-list {
        padding-inline: 60px;
    }

    .stats-item {
        padding-inline-start: 20px;
    }

    .stats-item .item-title {
        font-size: 4rem;
    }

    .app .btn {
        padding: 20px 30px;
    }

    .app-content .span {
        font-size: 1.5rem;
    }

    .app-content .strong {
        font-size: 2rem;
    }

}

@media (min-width: 992px) {
    :root {
        --fs-2: 4rem;
        --fs-3: 2.9rem;
        --section-padding: 100px;
    }

    .container {
        max-width: 960px;
    }

    :is(.service, .about, .app) .section-text {
        max-width: 55ch;
        margin-inline: auto;
    }

    .nav-toggle-btn {
        display: none;
    }

    .navbar,
    .navbar.active {
        all: unset;
    }

    .navbar-list {
        display: flex;
        gap: 5px;
    }

    .navbar-item:not(:last-child) {
        border-block-end: none;
    }

    .navbar-link {
        --fs-4: 2rem;
    }

    .header .btn {
        margin-inline-start: 0;
        min-height: 50px;
        padding-inline: 40px;
    }

    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 50px;
    }

    .hero-title {
        margin-block-start: 0;
    }

    .service-list {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .features .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 25px;
    }

    .features-content {
        margin-block-end: 0;
    }

    .features-item {
        padding: 20px;
    }

    .features-item:not(:last-child) {
        margin-block-end: 20px;
    }

    .features-item .item-title {
        --fs-5: 2.4rem;
    }

    .about-list {
        gap: 30px;
    }

    .about-card {
        padding: 40px;
    }

    .stats .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: flex-start;
    }

    .stats-banner {
        margin-block-end: 0;
    }

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

    .stats-item:nth-child(even) {
        margin-inline-start: auto;
    }

    .stats-item .item-title {
        font-size: 4.5rem;
    }

    .stats-text {
        font-size: 2.2rem;
    }

    .app :is(.section-title, .section-text) {
        text-align: center;
    }

    .app .btn-group {
        justify-content: center;
    }

    .support .container {
        display: grid;
        grid-template-columns: 1fr 0.5fr;
        justify-items: self-end;
        align-items: center;
    }

    .footer .container {
        grid-template-columns: 1fr 0.8fr 0.8fr 1fr;
    }

    .footer-list-title {
        margin-block-end: 30px;
    }

    .footer-list>li:not(:last-child) {
        margin-block-end: 25px;
    }

    .footer-bottom {
        padding-block: 30px;
    }

    .footer-bottom .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .copyright {
        margin-block-end: 0;
    }

}

@media (min-width: 1200px) {
    :root {
        --fs-1: 6rem;
        --fs-2: 5rem;
    }

    .container {
        max-width: 1140px;
    }

    .features .container {
        grid-template-columns: 1fr max-content;
        gap: 70px;
    }

    .about-card {
        display: flex;
        align-items: center;
        gap: 30px;
        text-align: left;
    }

    .about-card .card-title {
        margin-block-start: 0;
    }

    .about .btn-link {
        justify-content: flex-start;
    }

    .app .container {
        display: grid;
        grid-template-columns: 0.7fr 1fr;
        align-items: center;
        gap: 25px;
    }

    .app-content {
        margin-block-end: 0;
    }

    .app :is(.section-title, .section-text) {
        text-align: left;
    }

    .app .section-title {
        --fs-2: 4rem;
    }

    .app .btn-group {
        justify-content: flex-start;
    }

}