:root {
    /**
   * colors
   */

    --cadet-blue-crayola: hsl(227, 13%, 73%);
    --maximum-yellow-red: hsl(41, 95%, 61%);
    --medium-sea-green: hsl(142, 43%, 54%);
    --blue-crayola_10: hsla(222, 100%, 61%, 0.05);
    --smocky-black_30: hsla(0, 0%, 6%, 0.3);
    --eerie-black-1: hsl(240, 5%, 8%);
    --eerie-black-2: hsl(228, 9%, 10%);
    --raisin-black: hsl(225, 15%, 16%);
    --blue-crayola: hsl(222, 100%, 61%);
    --roman-silver: hsl(223, 10%, 52%);
    --presian-red: hsl(0, 64%, 52%);
    --gunmetal_50: hsla(230, 16%, 22%, 0.5);
    --gainsboro: hsl(0, 0%, 85%);
    --cultured: hsl(0, 0%, 93%);
    --white_50: hsla(0, 0%, 100%, 0.5);
    --white_30: hsla(0, 0%, 100%, 0.3);
    --white_10: hsla(0, 0%, 100%, 0.1);
    --black_10: hsla(0, 0%, 0%, 0.1);
    --white: hsl(0, 0%, 100%);
    /**
   * gradient color
   */

    --gradient: linear-gradient(90deg, var(--white_10) 0px 77%, var(--white_50) 92%, transparent);
    /**
   * typography
   */

    --ff-dm-sans: 'DM Sans', sans-serif;
    --fs-1: 3.2rem;
    --fs-2: 3rem;
    --fs-3: 2.4rem;
    --fs-4: 2rem;
    --fs-5: 1.8rem;
    --fs-6: 1.5rem;
    --fs-7: 1.4rem;
    --fs-8: 1.2rem;
    --fw-500: 500;
    --fw-700: 700;
    /**
   * spacing
   */

    --section-padding: 100px;
    /**
   * shadow
   */

    --shadow-1: 0px 4px 8px var(--black_10);
    --shadow-2: 0px 30px 10px -20px var(--smocky-black_30);
    --shadow-3: 0px 15px 10px -20px var(--smocky-black_30);
    /**
   * radius
   */

    --radius-12: 12px;
    --radius-24: 24px;
    /**
   * transition
   */

    --transition-1: 0.25s ease;
    --transition-2: 0.5s ease;
    --transition-3: 1s ease;
    --cubic-out: cubic-bezier(0.33, 0.85, 0.4, 0.96);
}





/*-----------------------------------*\
  #RESET
\*-----------------------------------*/

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

li {
    list-style: none;
}

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

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

img {
    height: auto;
}

button {
    background: none;
    border: none;
    font: inherit;
    cursor: pointer;
}

ion-icon {
    pointer-events: none;
}

address {
    font-style: normal;
}

table {
    border-collapse: collapse;
}

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

body {
    background-color: var(--eerie-black-2);
    color: var(--cadet-blue-crayola);
    font-size: 1.6rem;
    line-height: 1.4;
}

    body.active {
        overflow: hidden;
    }

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background-color: hsl(220, 4%, 5%);
}

::-webkit-scrollbar-thumb {
    background-color: hsl(220, 5%, 20%);
}

    ::-webkit-scrollbar-thumb:hover {
        background-color: hsl(220, 5%, 30%);
    }

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





/*-----------------------------------*\
  #REUSED STYLE
\*-----------------------------------*/

.container {
    padding-inline: 15px;
}

.btn {
    color: var(--white);
    border-radius: 50px;
}

.btn-outline {
    font-size: var(--fs-6);
    font-weight: var(--fw-500);
    border: 1px solid var(--white);
    padding: 5px 15px;
    transition: var(--transition-1);
}

    .btn-outline:is(:hover, :focus) {
        background-color: var(--blue-crayola);
        border-color: var(--blue-crayola);
    }

.btn-primary {
    position: relative;
    background-color: var(--blue-crayola);
    max-width: max-content;
    font-weight: var(--fw-700);
    padding: 13px 30px;
    overflow: hidden;
    z-index: 1;
}

    .btn-primary::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        right: -50px;
        background-image: var(--gradient);
        transform: translateX(-100%);
        opacity: 0;
        z-index: -1;
        transition: var(--transition-2);
    }

    .btn-primary:is(:hover, :focus)::after {
        transform: translateX(0);
        opacity: 1;
    }

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

[data-section] > * {
    transform: translateY(50px);
    opacity: 0;
    transition: var(--transition-3);
}

[data-section].active > * {
    opacity: 1;
    transform: translateY(0);
}

.h1,
.h2,
.h3 {
    color: var(--white);
    line-height: 1.1;
}

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

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

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

.w-100 {
    width: 100%;
}

.badge {
    color: var(--white);
    font-size: var(--fs-8);
    font-weight: var(--fw-700);
    padding: 4px 8px;
    border-radius: 50px;
}

    .badge.red {
        background-color: var(--presian-red);
    }

    .badge.green {
        background-color: var(--medium-sea-green);
    }

.last-update.red {
    color: var(--presian-red);
}

.last-update.green {
    color: var(--medium-sea-green);
}

.section-text {
    font-size: var(--fs-5);
    margin-block: 15px 35px;
}

.section-list {
    margin-block-end: 35px;
}

.section-item:not(:last-child) {
    margin-block-end: 25px;
}

.section-item .title-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-block-end: 15px;
}

    .section-item .title-wrapper ion-icon {
        flex-shrink: 0;
        color: var(--blue-crayola);
        font-size: 24px;
    }





/*-----------------------------------*\
  #HEADER
\*-----------------------------------*/

.header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--eerie-black-1);
    padding-block: 15px;
    z-index: 4;
}

    .header.active {
        position: fixed;
        top: -66px;
        background-color: var(--white);
        border-block-start: 1px solid var(--cultured);
        box-shadow: var(--shadow-1);
        animation: slideIn 0.25s var(--cubic-out) forwards;
    }

@keyframes slideIn {

    0% {
        transform: translateY(0);
        background-color: var(--white);
    }

    100% {
        transform: translateY(100%);
        background-color: var(--eerie-black-2);
    }
}

.header > .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.logo {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: var(--fw-700);
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-toggle-btn .line {
    width: 26px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition-1);
}

    .nav-toggle-btn .line:not(:last-child) {
        margin-block-end: 4px;
    }

.nav-toggle-btn {
    padding: 8px 5px;
    margin-inline-start: auto;
}

    .nav-toggle-btn.active .line-1 {
        transform: rotate(45deg) translate(5px, 6px);
    }

    .nav-toggle-btn.active .line-2 {
        opacity: 0;
    }

    .nav-toggle-btn.active .line-3 {
        transform: rotate(-45deg) translate(4px, -5px);
    }

.navbar {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--eerie-black-1);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: 0.25s var(--cubic-out);
}

    .navbar.active {
        max-height: calc(100vh - 63px);
        visibility: visible;
        transition-duration: 0.5s;
    }

.navbar-item:not(:last-child) {
    border-block-end: 1px solid var(--white_30);
}

.navbar-link {
    color: var(--white);
    font-weight: var(--fw-700);
    padding: 12px 30px;
    transition: var(--transition-1);
}

    .navbar-link:is(:hover, :focus, .active) {
        color: var(--blue-crayola);
    }





/*-----------------------------------*\
  #HERO
\*-----------------------------------*/

.hero {
    padding-block: 150px 140px;
}

.hero-content {
    margin-block-end: 80px;
}

.hero-text {
    font-size: var(--fs-5);
    margin-block: 25px 40px;
}





/*-----------------------------------*\
  #TREND
\*-----------------------------------*/

.trend {
    background-color: var(--eerie-black-1);
    padding-block-end: 0;
}

.trend-tab {
    background-color: var(--eerie-black-2);
    border: 1px solid var(--raisin-black);
    border-radius: var(--radius-24);
    padding: 20px;
    box-shadow: var(--shadow-2);
    margin-block-start: -160px;
}

    .trend-tab .tab-nav {
        display: flex;
        flex-wrap: wrap;
        padding-block-end: 20px;
        margin-block-end: 20px;
        border-block-end: 1px solid var(--raisin-black);
    }

    .trend-tab .tab-btn {
        color: var(--white);
        font-size: var(--fs-7);
        font-weight: var(--fw-700);
        padding: 7px 15px;
        border-radius: 50px;
        transition: var(--transition-1);
    }

        .trend-tab .tab-btn.active {
            background-color: var(--blue-crayola);
        }

    .trend-tab .tab-content {
        display: grid;
        gap: 20px;
    }

.trend-card {
    padding: 20px;
    border-radius: var(--radius-12);
    transition: var(--transition-1);
}

    .trend-card:is(:hover, .active) {
        background-color: var(--gunmetal_50);
        box-shadow: var(--shadow-3);
    }

    .trend-card .card-title-wrapper {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .trend-card .card-title {
        color: var(--white);
        font-size: var(--fs-7);
        font-weight: var(--fw-700);
        transition: var(--transition-1);
    }

        .trend-card .card-title:is(:hover, :focus) {
            color: var(--blue-crayola);
        }

        .trend-card .card-title .span {
            color: var(--cadet-blue-crayola);
            display: inline-block;
            margin-inline-start: 5px;
        }

    .trend-card .card-value {
        color: var(--white);
        font-size: var(--fs-3);
        font-weight: var(--fw-700);
        margin-block: 10px;
    }

    .trend-card .card-analytics {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .trend-card .current-price {
        font-size: var(--fs-7);
    }





/*-----------------------------------*\
  #MARKET
\*-----------------------------------*/

.market {
    background-color: var(--eerie-black-1);
    color: var(--white);
}

    .market .title-wrapper {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 20px;
        margin-block-end: 25px;
    }

    .market .btn-link {
        position: relative;
        min-width: max-content;
        font-weight: var(--fw-700);
        transition: var(--transition-1);
    }

        .market .btn-link:is(:hover, :focus) {
            color: var(--blue-crayola);
        }

        .market .btn-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--raisin-black);
            transition: var(--transition-1);
        }

        .market .btn-link:is(:hover, :focus)::after {
            background-color: var(--blue-crayola);
        }

.market-tab {
    overflow-x: auto;
    padding-block-end: 30px;
}

    .market-tab::-webkit-scrollbar {
        height: 14px;
    }

    .market-tab::-webkit-scrollbar-thumb {
        border: 2px solid hsl(220, 4%, 5%);
        border-width: 2px 10px;
    }

    .market-tab .tab-nav {
        display: flex;
        align-items: center;
        gap: 10px;
        padding-block-end: 40px;
    }

    .market-tab .tab-btn {
        min-width: max-content;
        color: var(--white);
        font-size: var(--fs-7);
        font-weight: var(--fw-700);
        padding: 7px 24px;
        border-radius: 50px;
    }

        .market-tab .tab-btn.active {
            background-color: var(--blue-crayola);
        }

.market-table {
    width: 100%;
}

.table-heading,
.table-data {
    padding: 8px;
}

.table-heading {
    font-size: var(--fs-5);
    text-align: left;
    white-space: nowrap;
}

.market-table .table-head {
    border-block-end: 2px solid var(--white);
}

.table-row:not(.table-title) {
    height: 90px;
}

.market-table .table-row {
    font-size: var(--fs-5);
    border-block-end: 1px solid var(--raisin-black);
    transition: var(--transition-1);
}

.market-table .table-body .table-row:is(:hover, :focus-within) {
    background-color: var(--blue-crayola_10);
}

.market-table .add-to-fav {
    color: var(--cadet-blue-crayola);
    font-size: 18px;
}

    .market-table .add-to-fav.active .icon-outline,
    .market-table .add-to-fav .icon-fill {
        display: none;
    }

    .market-table .add-to-fav .icon-outline,
    .market-table .add-to-fav.active .icon-fill {
        display: block;
    }

    .market-table .add-to-fav.active ion-icon {
        color: var(--maximum-yellow-red);
    }

.market-table .wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: max-content;
}

.market-table .coin-name {
    font-size: var(--fs-5);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-1);
}

    .market-table .coin-name .span {
        color: var(--roman-silver);
        font-size: var(--fs-7);
    }

    .market-table .coin-name:is(:hover, :focus) {
        color: var(--blue-crayola);
    }

.market-table :is(.rank, .last-price, .market-cap) {
    font-weight: var(--fw-700);
}

.market-table .btn-outline {
    border-width: 2px;
    padding-inline: 10px;
}

.market-table .table-row:is(:hover, :focus-within) .btn-outline {
    background-color: var(--blue-crayola);
    border-color: var(--blue-crayola);
}





/*-----------------------------------*\
  #INSTRUCTION
\*-----------------------------------*/

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

.instruction .section-title {
    margin-block-end: 15px;
}

.instruction-list {
    display: grid;
    gap: 30px;
    margin-block-start: 50px;
}

.instruction-card {
    text-align: center;
}

    .instruction-card .card-banner {
        transition: var(--transition-2);
    }

    .instruction-card:hover .card-banner {
        transform: rotateY(1turn);
    }

    .instruction-card .img {
        margin-inline: auto;
        margin-block-end: 12px;
    }

    .instruction-card .card-subtitle {
        font-size: var(--fs-8);
        font-weight: var(--fw-700);
        text-transform: uppercase;
    }

    .instruction-card .card-title {
        font-size: var(--fs-4);
        margin-block: 5px 15px;
    }

    .instruction-card .card-text {
        padding-inline: 20px;
    }





/*-----------------------------------*\
  #ABOUT
\*-----------------------------------*/

.about {
    background-color: var(--eerie-black-1);
}

.about-banner {
    margin-block-end: 40px;
}





/*-----------------------------------*\
  #APP
\*-----------------------------------*/

.app {
    overflow: hidden;
    padding-block-end: 0;
}

.app-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 15px;
}

.app-banner {
    position: relative;
    margin-block-start: 60px;
}

    .app-banner .span {
        position: absolute;
        top: 10%;
        left: 0;
        color: var(--white);
        font-size: var(--fs-7);
        font-weight: var(--fw-700);
        padding: 8px 15px;
        border: 2px solid var(--white);
        border-radius: 50px;
    }





/*-----------------------------------*\
  #FOOTER
\*-----------------------------------*/

.footer-top {
    background-color: var(--eerie-black-1);
    padding-block: 80px 50px;
}

    .footer-top .container {
        display: grid;
        gap: 50px;
    }

.footer .logo {
    font-size: 3rem;
}

.footer-title {
    color: var(--white);
    font-size: var(--fs-3);
    margin-block: 25px 20px;
}

.footer-contact-link:not(:last-child) {
    margin-block-end: 12px;
}

address.footer-contact-link {
    max-width: 30ch;
}

.footer-list-title {
    color: var(--white);
    font-size: var(--fs-7);
    font-weight: var(--fw-700);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-list > li:not(:last-child) {
    margin-block-end: 10px;
}

.footer-list > li:first-child {
    margin-block-end: 20px;
}

.footer-link {
    color: var(--gainsboro);
    transition: var(--transition-1);
}

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

.footer-bottom {
    background-color: var(--eerie-black-2);
    padding-block: 20px;
}

.copyright {
    text-align: center;
    margin-block-end: 20px;
}

.copyright-link {
    display: inline-block;
    color: var(--blue-crayola);
}

.social-list {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-link {
    font-size: 18px;
    transition: var(--transition-1);
}

    .social-link:is(:hover, :focus) {
        color: var(--blue-crayola);
    }





/*-----------------------------------*\
  #MEDIA QUERIES
\*-----------------------------------*/

/**
 * responsive for larger than 575px screen
 */

@media (min-width: 575px) {

    /**
   * CUSTOM PROPERTY
   */

    :root {
        /**
     * typography
     */

        --fs-1: 4rem;
        --fs-2: 3.4rem;
    }



    /**
   * REUSED STYLE
   */

    .container {
        max-width: 540px;
        width: 100%;
        margin-inline: auto;
    }



    /**
   * HERO
   */

    .hero-text {
        --fs-5: 2rem;
    }
}





/**
 * responsive for larger than 768px screen
 */

@media (min-width: 768px) {

    /**
   * CUSTOM PROPERTY
   */

    :root {
        /**
     * typography
     */

        --fs-1: 5rem;
        --fs-2: 4rem;
    }



    /**
   * REUSED STYLE
   */

    .container {
        max-width: 750px;
    }



    /**
   * HERO
   */

    .hero-banner {
        max-width: max-content;
        margin-inline: auto;
    }



    /**
   * TREND
   */

    .trend-tab .tab-content {
        grid-template-columns: 1fr 1fr;
    }



    /**
   * INSTRUCTION
   */

    .instruction {
        overflow: hidden;
    }

        .instruction .section-text {
            max-width: 40ch;
            margin-inline: auto;
        }

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

    .instruction-card {
        position: relative;
    }

        .instruction-card::after {
            content: "";
            width: 160px;
            height: 12px;
            background-image: url('../images/connect-line.png');
            background-repeat: no-repeat;
            background-size: contain;
            background-position: center;
            position: absolute;
            top: 50px;
            right: -95px;
        }

    .instruction-list > li:nth-child(even) .instruction-card::after {
        display: none;
    }



    /**
   * APP
   */

    .app-banner {
        max-width: max-content;
    }



    /**
   * FOOTER
   */

    .footer-top .container {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-brand {
        grid-column: 1 / 3;
    }

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

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





/**
 * responsive for larger than 992px screen
 */

@media (min-width: 992px) {

    /**
   * REUSED STYLE
   */

    .container {
        max-width: 960px;
    }



    /**
   * HEADER
   */

    .header {
        padding-block: 5px;
    }

        .header.active {
            top: -60px;
        }

        .header > .container {
            gap: 50px;
        }

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

    .navbar,
    .navbar.active {
        all: unset;
        margin-inline-end: auto;
    }

    .navbar-list {
        display: flex;
        align-items: center;
    }

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

    .navbar-link {
        font-size: var(--fs-7);
        padding: 15px 12px;
    }

        .navbar-link:is(:hover, :focus, .active) {
            background-color: var(--blue-crayola);
            color: var(--white);
        }



    /**
   * HERO
   */

    .hero .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 30px;
    }

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



    /**
   * MARKET
   */

    .market-tab {
        padding-block-end: 0;
    }



    /**
   * ABOUT
   */

    .about .container {
        display: grid;
        grid-template-columns: 1fr 0.8fr;
        align-items: center;
        gap: 30px;
    }

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



    /**
   * APP
   */

    .app {
        padding-block: 0;
    }

        .app .container {
            display: grid;
            grid-template-columns: 0.8fr 1fr;
            align-items: flex-end;
            gap: 30px;
        }

    .app-banner {
        margin-block-start: 0;
    }

    .app-content {
        margin-block: 50px;
    }
}





/**
 * responsive for larger than 1200px screen
 */

@media (min-width: 1200px) {

    /**
   * CUSTOM PROPERTY
   */

    :root {
        /**
     * typography
     */

        --fs-1: 6.4rem;
        --fs-2: 4.8rem;
    }



    /**
   * REUSED STYLE
   */

    .container {
        max-width: 1280px;
    }



    /**
   * HEADER
   */

    .header.active {
        top: -64px;
    }

    .navbar-link {
        font-size: unset;
    }



    /**
   * HERO
   */

    .hero .container {
        gap: 100px;
    }



    /**
   * TREND
   */

    .trend-tab .tab-content {
        grid-template-columns: repeat(4, 1fr);
    }



    /**
   * INSTRUCTION
   */

    .instruction-list {
        grid-template-columns: repeat(4, 1fr);
    }

        .instruction-list > li:nth-child(even) .instruction-card::after {
            display: block;
        }

        .instruction-list > li:last-child .instruction-card::after {
            display: none;
        }



    /**
   * ABOUT, APP
   */

    :is(.about, .app) .container {
        gap: 60px;
    }



    /**
   * APP
   */

    .app-content {
        margin-block: 100px;
    }



    /**
   * FOOTER
   */

    .footer-top {
        padding-block: 100px 90px;
    }

        .footer-top .container {
            grid-template-columns: 1fr 0.5fr 0.5fr 0.5fr 0.5fr;
        }

    .footer-brand {
        grid-column: auto;
    }
}