:root {
    /* Colors */
    --primary: #00B2FD;
    --secondary: #1B2C51;
    --text: #4c525d;
    --background: #f5f8f9;
    --whitebackground: #ffffff;
    --gray: #777777;

    /* Typography */
    --font-family: "Google Sans", sans-serif;
    --heading-font: "Playfair Display", sans-serif;

    /* Layout */
    --container: 1280px;
    --header-height: 90px;
    --radius: 12px;

    /* Effects */
    --shadow: 0px 0px 4px 0px rgba(0, 0, 0, .25);
    --transition: .3s ease;

    /* font-sizes of Heading and Paragraph tags */
    --fs-h1: 50px;
    --fs-h2: 40px;
    --fs-body: 15px;
}

body {
    margin: 0;
    background: var(--background);
    font-family: var(--font-family);
    color: var(--text);
    font-size: var(--fs-body);
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

header {
    position: sticky;
    top: 0;
    background: #FFFFFF;
    border-bottom: 1px solid #EdEdEd;
    z-index: 999;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
}

.logo img {
    display: block;
    height: 18px;
    width: auto;
}

.navbar-list {
    list-style-type: none;
    display: flex;
    align-items: center;
    gap: 40px;

    margin: 0;
    padding: 0;
}

.navbar-list a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 600;
    transition: var(--transition);
}

.navbar-list a:hover {
    color: var(--primary);
}

.navbar-list a.active {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
}

.dropdown {
    position: relative;
}

.dropdown::before {
    content: "";
    position: absolute;
    left: 0;
    top: 100%;
    width: 100%;
    height: 18px;
}

.dropdown>a {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
}

.dropdown>a::after {
    content: "";
    width: 6px;
    height: 6px;

    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;

    transform: rotate(45deg) translateY(-2px);

    transition: var(--transition);
}

.dropdown-menu {

    position: absolute;

    top: calc(100% + 18px);
    left: 0;

    width: 275px;

    list-style: none;

    padding: 12px 0;

    margin: 0;

    background: #fff;

    border-radius: 12px;

    box-shadow: var(--shadow);

    border: 1px solid #ECECEC;

    opacity: 0;

    visibility: hidden;

    transform: translateY(10px);

    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--gray);
    text-decoration: none;
    font-weight: 500;
}

.dropdown-menu a:hover {
    background: #F5F8FF;
    color: var(--primary);
}

.hero-container {
    background: var(--background);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.2em;
    max-width: 620px;
}

.hero-media {
    width: 100%;
    height: calc(100vh - 100px);
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--heading-font);
    color: var(--secondary);
    margin: 0;
}

h1 {
    font-size: var(--fs-h1);
    font-weight: 700;
    line-height: 1.15;
}

h2 {
    font-size: var(--fs-h2);
    font-weight: 700;
}

p {
    margin: 0;
    line-height: 1.5rem;
    font-family: var(--font-family);
    color: var(--text);
}

.btn {
    width: fit-content;
    padding: 0.8em 1.35em;
    border-radius: 4px;
    outline: none;
    border: none;
    background: transparent;
    font-family: var(--font-family);
    text-decoration: none;
    transition:
        transform .3s ease,
        background-color .3s ease,
        box-shadow .4s ease;
}

.btn i {
    transition: transform 0.3s ease-in-out;
    margin-left: 1px;
}

.btn-primary {
    background: var(--primary);
    box-shadow: var(--shadow);
    color: #FFFFFF;
}

.btn:hover {
    background: #04a9ee;
    transform: translateY(-2px);
    box-shadow: -5px 5px 0 0 var(--secondary);
}

.btn:hover i {
    transform: translateX(4px);
}

.stats-container {
    text-align: center;
}

.logo-marquee {
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin: 64px 0;
    /* Fade effect */
    -webkit-mask-image: linear-gradient(to right,
            transparent 0%,
            rgba(0, 0, 0, 0.2) 10%,
            rgba(0, 0, 0, 1) 25%,
            rgba(0, 0, 0, 1) 75%,
            rgba(0, 0, 0, 0.2) 90%,
            transparent 100%);

    mask-image: linear-gradient(to right,
            transparent 0%,
            rgba(0, 0, 0, 0.2) 10%,
            rgba(0, 0, 0, 1) 25%,
            rgba(0, 0, 0, 1) 75%,
            rgba(0, 0, 0, 0.2) 90%,
            transparent 100%);
}

/* Common track style */
.logo-track {
    display: flex;
    column-gap: 150px;
    margin-block: 24px;
    width: max-content;
}

/* LEFT → RIGHT */
.logo-track.left {
    animation: scroll-left 22s linear infinite;
}

/* RIGHT → LEFT */
.logo-track.right {
    animation: scroll-right 22s linear infinite;
}

/* Logos */
.logo-track img {
    height: 24px;
    width: auto;
    object-fit: contain;
    opacity: 1;
    transition: 0.3s;
}

/* Animations */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@keyframes scroll-right {
    0% {
        transform: translateX(-50%);
    }

    100% {
        transform: translateX(0);
    }
}

.opacity-60 {
    opacity: 0.6;
}

.metrics-container {
    display: flex;

    justify-content: center;

    align-items: center;

    gap: 2em;
}

.metric-card-container {
    width: 240px;
    padding: 1em;
    border-radius: var(--radius);
    background: var(--whitebackground);
    text-align: center;
    border: 1px solid #ECECEC;
    box-shadow: 0px 0px 1px 0 rgba(0, 0, 0, 0.329);
    transition: box-shadow 0.4s ease-in, transform 0.2s ease-in;
}

.metric-value {
    font-size: 32px;
    margin-block: 16px;
    color: var(--primary);
    font-weight: 600;
}

.icon-container {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #ECECEC;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto;
    transition: color 0.5s ease-in, background-color 0.5s ease-in;
}

.metric-card-container:hover {
    box-shadow: 6px 6px 0px 0 rgba(0, 0, 0, .8);
    transform: translateY(-2px);
}

.metric-card-container:hover .icon-container {
    background-color: #00b1fd22;
    color: var(--primary);
}

.how-it-works-section,
.meme-marketing-services-section,
.prefer-im-section {
    padding: 80px 0;
}

.how-it-works-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 64px;
}

.how-it-works-content {
    max-width: 620px;
    display: flex;
    gap: 12px;
    flex-direction: column;
}

.how-it-works-media {
    width: 100%;
    height: 450px;
    display: flex;
    justify-content: center;
}

.how-it-works-media img {
    width: auto;
    height: 100%;
    border-radius: var(--radius);
    object-fit: cover;
}

.stats-section,
.why-brand-invest-section,
.case-studies-section,
.faq-section {
    background: var(--whitebackground);
    padding: 80px 0;
}

.why-brand-invest-container {
    display: grid;
    grid-template-columns: 0.5fr 1fr;
    align-items: first baseline;
    justify-items: center;
    gap: 32px;
}

.why-brand-invest-data {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.why-brand-invest-content-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 32px;
}

.invest-card-container {
    display: flex;
    flex-direction: column;
    gap: 12px;

    max-width: 275px;

    background: #ededed30;
    padding: 32px 32px 24px;
    border-radius: var(--radius);
    border: solid 1px rgba(0, 0, 0, 0.24);

    transition: background-color 0.25s ease-in;
}

.invest-card-container:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.invest-card-header {
    display: flex;
    gap: 18px;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: solid 1px rgba(0, 0, 0, 0.2);
}

.invest-card-header i {
    color: var(--primary);
    font-size: var(--fs-body);
}

.invest-card-content {
    line-height: 24px;
    display: flex;
    gap: 12px;
    align-items: first baseline;
}

.invest-card-content i {
    color: var(--primary);
    font-size: 18px;
}

.services-container-header {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    margin-bottom: 24px;
}

.masonry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: masonry;
    gap: 32px;
    max-width: 1150px;
    margin: 0 auto;
}

.column {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.services-card-container {
    background: #FFFFFF;
    border-radius: var(--radius);
    overflow: hidden;

    display: flex;
    flex-direction: column;

    transition:
        transform .3s ease,
        box-shadow .3s ease;
}

.services-card-container:hover {

    transform: translateY(-8px);

    box-shadow: 0 18px 40px rgba(0, 0, 0, .12);
}

.card-small {
    height: 420px;
}

.card-medium {
    height: 450px;
}

.card-large {
    height: 480px;
}

.services-card-image {
    height: 240px;
    flex: 6;
    overflow: hidden;
}

.services-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.services-card-container:hover img {
    transform: scale(1.05);
}

.services-card-content {
    display: flex;
    flex-direction: column;
    flex: 4;
    padding: 24px;
    gap: 12px;
}

.middle {
    padding-top: 60px;
}

.case-studies-container h2 {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.why-choose-im-header {
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.why-choose-im-header h2 {
    flex: 5;
}

.why-choose-im-header p {
    flex: 5;
    max-width: 450px;
}

.why-choose-im-content {
    margin-top: 64px;
}

.preference-card-container {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.preference-card-icon {
    display: flex;
    min-width: 72px;
    justify-content: center;
    align-items: center;
    height: 72px;
    width: 72px;
    border: solid 1px var(--secondary);
    box-shadow: 5px 5px 0 0 var(--primary);
}

.preference-card-icon i {
    font-size: 36px;
    color: var(--secondary);
    transition: transform 0.4s ease-in;
}

.preference-card-icon:hover i {
    transform: rotateY(180deg);
}

.preference-card-image {
    width: 275px;
    margin: auto;
}

.preference-card-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.why-choose-im-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: masonry;
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.faq-items-container {
    max-width: 620px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    margin: 16px 0;
}

.faq-question {
    display: flex;
    gap: 16px;
    background: #f3f2f2;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border: none;
    outline: none;
    border-radius: var(--radius);
    width: 100%;
}

.faq-question i {
    transition: transform .3s ease;
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    background: #f3f2f2;
    padding: 0 0 0px 16px;
    border-radius: 0 0 var(--radius) var(--radius);
    transition: grid-template-rows 0.3s ease;
}

.faq-answer p {
    overflow: hidden;
}

.faq-item.active .faq-answer {
    grid-template-rows: 1fr;
    padding-bottom: 16px;
}

.faq-item.active .faq-question {
    border-bottom-right-radius: 0;
    border-bottom-left-radius: 0;
}

.faq-item.active i {
    transform: rotateX(180deg);
}

.faq-question h3 {
    font-family: var(--font-family);
}

.case-study-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 64px;
    margin-top: 24px;
}

.case-study-card-container {
    padding: 0 0 24px 0;
    background: #f4f3f4;
}

.case-study-card-image {
    width: 100%;
    height: 360px;
    overflow: hidden;
}

.case-study-card-image img {
    object-fit: cover;
    width: 100%;
    height: 100%;
    transition: transform 0.4s ease-in;
}

.case-study-card-container:hover img {
    transform: scale(1.05);
}

.case-study-card-content {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.case-study-action {
    margin-top: 12px;
}

.case-study-action a {
    text-decoration: none;
}

footer {
    padding: 64px;
    background: var(--secondary);
}

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

.footer-menu {
    display: flex;
    list-style-type: none;
}

.footer-menu a {
    text-decoration: none;
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 600;
    transition: letter-spacing 0.4s ease-in, color 0.4s ease-in;
}

.footer-menu li:hover a {
    letter-spacing: 1.01px;
    color: var(--primary);
}

.copyright-section {
    margin-top: auto;
}

.copyright-section p {
    margin-top: 16px;
    text-align: center;
    color: #EdEdEd;
    font-size: 13px;
}

.social-media-icon-container {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid;
    display: flex;
    justify-content: center;
    align-items: center;
}

.social-media-icons-container li:nth-child(2) {
    margin-left: 12px;
    margin-right: 12px;
}

.social-media-icon-container i {
    font-size: 16px;
}

/* ===========================
   TABLET
=========================== */
@media (max-width: 1024px) {

    :root {
        --fs-h1: 42px;
        --fs-h2: 34px;
        --container: 960px;
    }

    .container {
        padding: 0 32px;
    }

    /* Navigation */
    .navbar-list {
        gap: 24px;
    }

    .navbar-list a {
        font-size: 14px;
    }

    /* Hero */
    .hero-container {
        gap: 48px;
        min-height: auto;
        padding: 48px 0;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-media {
        height: 500px;
    }

    /* Stats */

    .metrics-container {
        gap: 20px;
    }

    .metric-card-container {
        width: 100%;
    }

    /* How it works */

    .how-it-works-container {
        gap: 48px;
    }

    .how-it-works-media {
        height: 380px;
    }

    /* Why brands invest */

    .why-brand-invest-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .why-brand-invest-data {
        max-width: 700px;
        text-align: center;
        margin: 0 auto;
    }

    .why-brand-invest-content-container {
        justify-content: center;
    }

    .invest-card-container {
        max-width: 320px;
    }

    /* Masonry */

    .masonry-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .middle {
        padding-top: 0;
    }

    /* Why Choose */

    .why-choose-im-header {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }

    .why-choose-im-header p {
        max-width: 700px;
    }

    .why-choose-im-grid {
        gap: 48px;
    }

    /* Case studies */

    .case-study-cards {
        gap: 32px;
    }

    .case-study-card-image {
        height: 280px;
    }

    /* Footer */

    footer {
        padding: 48px 32px;
    }

    .footer-top-row {
        flex-direction: column;
        gap: 32px;
    }

}

/* ===========================
   MOBILE
=========================== */
@media (max-width:768px) {

    :root {

        --header-height: 72px;

        --fs-h1: 34px;
        --fs-h2: 28px;
        --fs-body: 15px;
    }

    .container {
        padding: 0 20px;
    }

    /* -------------------
       Header
    ------------------- */

    .header-container {
        height: 72px;
    }

    /* nav {
        display: none;
    } */

    nav {

        position: absolute;

        top: 100%;
        left: 0;

        width: 100%;

        background: #fff;

        border-top: 1px solid #ECECEC;

        display: flex;

        flex-direction: column;

        max-height: 0;

        overflow: hidden;

        transition: max-height .35s ease;
    }

    nav.active {

        max-height: 700px;
    }

    .navbar-list {

        flex-direction: column;

        align-items: flex-start;

        gap: 0;

        padding: 20px;
    }

    .navbar-list>li {

        width: 100%;
    }

    .navbar-list>li>a {

        display: flex;

        justify-content: space-between;

        align-items: center;

        width: 100%;

        padding: 16px 0;

        border-bottom: 1px solid #ECECEC;
    }

    .dropdown-menu {

        position: static;

        width: 100%;

        border: none;

        box-shadow: none;

        border-radius: 0;

        padding: 0;

        max-height: 0;

        overflow: hidden;

        opacity: 1;

        visibility: visible;

        transform: none;

        transition: max-height .3s ease;
    }

    .dropdown.active .dropdown-menu {

        max-height: 500px;
    }

    .dropdown-menu a {

        padding: 14px 16px 14px 28px;

        font-size: 14px;
    }

    .logo img {
        height: 16px;
    }

    .mobile-menu-btn {

        display: flex;

        width: 42px;
        height: 42px;

        justify-content: center;
        align-items: center;

        cursor: pointer;

        font-size: 22px;
    }

    /* -------------------
       Hero
    ------------------- */

    .hero-container {

        grid-template-columns: 1fr;

        gap: 32px;

        padding: 40px 0;
    }

    .hero-media {

        order: -1;

        height: 320px;
    }

    .hero-content {

        text-align: center;

        align-items: center;
    }

    .hero-content .btn {

        width: 100%;
    }

    /* -------------------
       Logo Marquee
    ------------------- */

    .logo-track {

        column-gap: 80px;
    }

    .logo-track img {

        height: 20px;
    }

    /* -------------------
       Metrics
    ------------------- */

    .metrics-container {

        flex-direction: column;
    }

    .metric-card-container {

        width: 100%;

        max-width: 320px;
    }

    /* -------------------
       Sections
    ------------------- */

    .stats-section,
    .how-it-works-section,
    .why-brand-invest-section,
    .meme-marketing-services-section,
    .case-studies-section,
    .prefer-im-section,
    .faq-section {

        padding: 60px 0;
    }

    /* -------------------
       How it works
    ------------------- */

    .how-it-works-container {

        grid-template-columns: 1fr;

        gap: 32px;
    }

    .how-it-works-media {

        height: 300px;
    }

    .how-it-works-media img {

        width: 100%;
    }

    /* -------------------
       Why Invest
    ------------------- */

    .why-brand-invest-content-container {

        gap: 20px;
    }

    .invest-card-container {

        max-width: 100%;
    }

    /* -------------------
       Services
    ------------------- */

    .masonry-grid {

        grid-template-columns: 1fr;
    }

    .middle {

        padding-top: 0;
    }

    .card-small,
    .card-medium,
    .card-large {

        height: auto;
    }

    .services-card-image {

        height: 220px;
    }

    /* -------------------
       Case Studies
    ------------------- */

    .case-study-cards {

        grid-template-columns: 1fr;

        gap: 32px;
    }

    .case-study-card-image {

        height: 240px;
    }

    /* -------------------
       Why Choose IM
    ------------------- */

    .why-choose-im-grid {

        grid-template-columns: 1fr;
    }

    .preference-card-container {

        gap: 16px;
    }

    .preference-card-icon {

        width: 60px;
        height: 60px;
        min-width: 60px;
    }

    .preference-card-icon i {

        font-size: 28px;
    }

    /* -------------------
       FAQ
    ------------------- */

    .faq-question {

        padding: 16px;
    }

    .faq-question h3 {

        text-align: left;

        font-size: 18px;
    }

    /* -------------------
       Footer
    ------------------- */

    footer {

        padding: 48px 20px;
    }

    .footer-menu {

        flex-direction: column;

        gap: 16px;

        align-items: center;

        text-align: center;

        padding: 0;
    }

    .social-media-icons-container .footer-menu {

        flex-direction: row;
    }

}

@media (hover:hover) {
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
}