/* =========================================================
   INSTITUT MUSICAL CONGOLAIS — À PROPOS DES TOPS IMC
   FEUILLE DE STYLE SPÉCIFIQUE
========================================================= */


/* =========================================================
   VARIABLES
========================================================= */

:root {

    --imc-blue: #0757a0;
    --imc-blue-dark: #063b70;
    --imc-blue-light: #eaf4ff;

    --imc-gold: #d6a52c;
    --imc-gold-light: #fff7df;

    --imc-red: #c62828;
    --imc-red-light: #fff0f0;

    --imc-green: #16834b;

    --imc-dark: #172033;
    --imc-text: #3f4654;
    --imc-muted: #707887;

    --imc-white: #ffffff;
    --imc-light: #f5f8fc;
    --imc-border: #dce5ef;

    --imc-radius: 18px;

}


/* =========================================================
   HEADER
========================================================= */

.site-header {

    width: 100%;
    background: var(--imc-white);
    border-bottom: 1px solid var(--imc-border);

    position: relative;
    z-index: 1000;

}


.header-inner {

    width: 100%;
    max-width: 1180px;

    margin: 0 auto;

    padding: 16px 24px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 20px;

}


.logo-link {

    display: flex;
    align-items: center;

    flex-shrink: 0;

}


.logo {

    width: 90px;
    height: auto;

    display: block;

}


.menu-button {

    width: 48px;
    height: 48px;

    border: none;
    border-radius: 12px;

    background: var(--imc-blue);
    color: var(--imc-white);

    font-size: 25px;
    line-height: 1;

    cursor: pointer;

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

    flex-shrink: 0;

    transition:
        background 0.2s ease,
        transform 0.2s ease;

}


.menu-button:hover {

    background: var(--imc-blue-dark);

}


.menu-button:active {

    transform: scale(0.96);

}


/* =========================================================
   MENU PRINCIPAL
========================================================= */

.main-menu {

    display: none;

    width: 100%;
    max-width: 1180px;

    margin: 0 auto;

    padding: 0 24px 20px;

}


.main-menu.active {

    display: block;

}


.main-menu > a,
.menu-group-button {

    width: 100%;

    min-height: 52px;

    padding: 14px 16px;

    border-radius: 12px;

    display: flex;
    align-items: center;
    justify-content: space-between;

    text-decoration: none;

    font-family: inherit;
    font-size: 16px;
    font-weight: 600;

    color: var(--imc-dark);

    background: transparent;

    border: none;

    cursor: pointer;

    box-sizing: border-box;

    transition:
        background 0.2s ease,
        color 0.2s ease;

}


.main-menu > a:hover,
.menu-group-button:hover {

    background: var(--imc-blue-light);
    color: var(--imc-blue);

}


.menu-group {

    width: 100%;

}


/* =========================================================
   BOUTON CERTIFICATIONS
========================================================= */

.menu-group-button {

    text-align: left;

}


.menu-group-button.active {

    background: var(--imc-blue-light);
    color: var(--imc-blue);

}


.menu-arrow {

    margin-left: 15px;

    font-size: 18px;
    font-weight: 700;

    color: var(--imc-blue);

    flex-shrink: 0;

}


/* =========================================================
   SOUS-MENU CERTIFICATIONS
   CACHÉ PAR DÉFAUT
========================================================= */

.menu-submenu {

    display: none;

    width: 100%;

    padding: 4px 0 8px 18px;

    box-sizing: border-box;

}


.menu-submenu.active {

    display: block;

}


.menu-submenu a {

    display: block;

    width: 100%;

    padding: 12px 16px;

    margin-bottom: 4px;

    box-sizing: border-box;

    border-left: 3px solid var(--imc-gold);

    border-radius: 0 10px 10px 0;

    background: var(--imc-light);

    color: var(--imc-text);

    text-decoration: none;

    font-size: 15px;
    font-weight: 500;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease;

}


.menu-submenu a:hover {

    background: var(--imc-gold-light);
    color: var(--imc-blue);

    border-left-color: var(--imc-blue);

}


/* =========================================================
   PAGE
========================================================= */

.top-imc-page {

    width: 100%;

    overflow: hidden;

    background: var(--imc-white);

}


/* =========================================================
   HERO
========================================================= */

.top-imc-hero {

    width: 100%;

    padding: 90px 24px;

    box-sizing: border-box;

    background:
        linear-gradient(
            135deg,
            var(--imc-blue-dark),
            var(--imc-blue)
        );

    position: relative;

}


.top-imc-hero::after {

    content: "";

    position: absolute;

    width: 260px;
    height: 260px;

    right: -80px;
    top: -80px;

    border-radius: 50%;

    background: rgba(214, 165, 44, 0.18);

}


.top-imc-hero-content {

    width: 100%;
    max-width: 1050px;

    margin: 0 auto;

    position: relative;
    z-index: 1;

}


.top-imc-eyebrow {

    margin: 0 0 15px;

    color: var(--imc-gold);

    font-size: 13px;
    font-weight: 800;

    letter-spacing: 2px;

}


.top-imc-hero h1 {

    margin: 0;

    max-width: 800px;

    color: var(--imc-white);

    font-size: clamp(38px, 6vw, 68px);

    line-height: 1.05;

}


.top-imc-hero-text {

    max-width: 700px;

    margin: 24px 0 0;

    color: rgba(255, 255, 255, 0.9);

    font-size: 19px;
    line-height: 1.7;

}


/* =========================================================
   SECTIONS
========================================================= */

.top-imc-section {

    width: 100%;
    max-width: 1100px;

    margin: 0 auto;

    padding: 80px 24px;

    box-sizing: border-box;

}


.top-imc-section-heading {

    max-width: 800px;

    margin-bottom: 42px;

}


.top-imc-section-kicker {

    margin: 0 0 10px;

    color: var(--imc-blue);

    font-size: 12px;
    font-weight: 800;

    letter-spacing: 2px;

}


.top-imc-section-heading h2 {

    margin: 0;

    color: var(--imc-dark);

    font-size: clamp(30px, 4vw, 46px);

    line-height: 1.15;

}


.top-imc-section-intro {

    max-width: 800px;

    margin: -20px 0 40px;

    color: var(--imc-muted);

    font-size: 17px;

    line-height: 1.7;

}


/* =========================================================
   INTRODUCTION
========================================================= */

.top-imc-introduction {

    max-width: 850px;

    margin: 0 auto;

}


.top-imc-introduction p {

    margin: 0 0 22px;

    color: var(--imc-text);

    font-size: 18px;

    line-height: 1.8;

}


.top-imc-introduction p:last-child {

    margin-bottom: 0;

}


/* =========================================================
   RANKINGS
========================================================= */

.top-imc-ranking-grid {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 24px;

}


.top-imc-ranking-card {

    padding: 34px;

    border-radius: var(--imc-radius);

    background: var(--imc-white);

    border: 1px solid var(--imc-border);

    box-shadow: 0 12px 35px rgba(20, 45, 75, 0.08);

    position: relative;

    overflow: hidden;

}


.top-imc-ranking-card::before {

    content: "";

    position: absolute;

    left: 0;
    top: 0;

    width: 100%;
    height: 5px;

}


.albums-card::before {

    background: var(--imc-blue);

}


.titres-card::before {

    background: var(--imc-gold);

}


.top-imc-ranking-label {

    display: inline-block;

    margin-bottom: 15px;

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1.5px;

    color: var(--imc-muted);

}


.top-imc-ranking-card h3 {

    margin: 0 0 15px;

    color: var(--imc-dark);

    font-size: 27px;

}


.top-imc-ranking-card p {

    margin: 0 0 25px;

    color: var(--imc-text);

    font-size: 16px;

    line-height: 1.7;

}


.top-imc-card-link {

    color: var(--imc-blue);

    text-decoration: none;

    font-weight: 700;

}


.top-imc-card-link:hover {

    color: var(--imc-gold);

}


/* =========================================================
   PURPOSE
========================================================= */

.top-imc-purpose-grid {

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 18px;

}


.top-imc-purpose-card {

    padding: 26px 22px;

    border-radius: 16px;

    background: var(--imc-light);

    border: 1px solid var(--imc-border);

}


.top-imc-purpose-icon {

    width: 48px;
    height: 48px;

    margin-bottom: 20px;

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

    border-radius: 12px;

    background: var(--imc-blue);

    color: var(--imc-white);

    font-size: 14px;
    font-weight: 800;

}


.top-imc-purpose-card:nth-child(2)
.top-imc-purpose-icon {

    background: var(--imc-gold);
    color: var(--imc-dark);

}


.top-imc-purpose-card:nth-child(3)
.top-imc-purpose-icon {

    background: var(--imc-green);

}


.top-imc-purpose-card:nth-child(4)
.top-imc-purpose-icon {

    background: var(--imc-red);

}


.top-imc-purpose-card h3 {

    margin: 0 0 10px;

    color: var(--imc-dark);

    font-size: 21px;

}


.top-imc-purpose-card p {

    margin: 0;

    color: var(--imc-text);

    font-size: 15px;

    line-height: 1.65;

}


/* =========================================================
   PLATEFORMES
========================================================= */

.top-imc-platforms-section {

    background: var(--imc-light);

}


.top-imc-platforms-grid {

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 20px;

}


.top-imc-platform-card {

    aspect-ratio: 1 / 1;

    padding: 25px;

    box-sizing: border-box;

    border-radius: var(--imc-radius);

    background: var(--imc-white);

    border: 1px solid var(--imc-border);

    display: flex;
    flex-direction: column;

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

    text-align: center;

    box-shadow: 0 10px 25px rgba(20, 45, 75, 0.06);

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;

}


.top-imc-platform-card:hover {

    transform: translateY(-5px);

    box-shadow: 0 16px 35px rgba(20, 45, 75, 0.12);

}


.top-imc-platform-logo {

    width: 80px;
    height: 80px;

    object-fit: contain;

    margin-bottom: 18px;

}


.top-imc-platform-card h3 {

    margin: 0;

    color: var(--imc-dark);

    font-size: 18px;

}


/* =========================================================
   MÉTHODOLOGIE
========================================================= */

.top-imc-methodology {

    background: var(--imc-white);

}


.top-imc-methodology-block {

    margin-bottom: 25px;

    padding: 28px;

    border-radius: var(--imc-radius);

    background: var(--imc-light);

    border: 1px solid var(--imc-border);

}


.top-imc-methodology-block:last-child {

    margin-bottom: 0;

}


.top-imc-methodology-title {

    margin-bottom: 20px;

    color: var(--imc-blue);

    font-size: 21px;
    font-weight: 800;

}


.top-imc-percentage-list {

    display: grid;

    gap: 10px;

}


.top-imc-percentage-item {

    min-height: 55px;

    padding: 12px 18px;

    box-sizing: border-box;

    border-radius: 12px;

    background: var(--imc-white);

    display: flex;

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

    gap: 20px;

}


.top-imc-percentage-item span {

    color: var(--imc-text);

    font-size: 16px;

}


.top-imc-percentage-item strong {

    color: var(--imc-blue);

    font-size: 18px;

}


/* =========================================================
   PREMIUM
========================================================= */

.top-imc-premium-section {

    max-width: none;

    padding-left: 24px;
    padding-right: 24px;

    background:
        linear-gradient(
            135deg,
            var(--imc-gold-light),
            var(--imc-white)
        );

}


.top-imc-premium-content {

    width: 100%;
    max-width: 850px;

    margin: 0 auto;

}


.top-imc-premium-content h2 {

    margin: 0 0 25px;

    color: var(--imc-dark);

    font-size: clamp(30px, 4vw, 45px);

    line-height: 1.2;

}


.top-imc-premium-content p:not(.top-imc-section-kicker) {

    margin: 0 0 20px;

    color: var(--imc-text);

    font-size: 17px;

    line-height: 1.8;

}


.top-imc-premium-content p:last-child {

    margin-bottom: 0;

}


/* =========================================================
   PUBLICATION
========================================================= */

.top-imc-publication-grid {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 20px;

}


.top-imc-publication-card {

    padding: 30px;

    border-radius: var(--imc-radius);

    background: var(--imc-white);

    border: 1px solid var(--imc-border);

    box-shadow: 0 10px 28px rgba(20, 45, 75, 0.07);

}


.top-imc-publication-day {

    display: inline-block;

    margin-bottom: 15px;

    padding: 7px 12px;

    border-radius: 50px;

    background: var(--imc-blue-light);

    color: var(--imc-blue);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1px;

}


.top-imc-publication-card h3 {

    margin: 0 0 12px;

    color: var(--imc-dark);

    font-size: 22px;

}


.top-imc-publication-card p {

    margin: 0;

    color: var(--imc-text);

    font-size: 15px;

    line-height: 1.7;

}


/* =========================================================
   COMPARAISON TOPS / CERTIFICATIONS
========================================================= */

.top-imc-comparison-section {

    background: var(--imc-light);

}


.top-imc-comparison-grid {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 22px;

}


.top-imc-comparison-card {

    padding: 32px;

    border-radius: var(--imc-radius);

    background: var(--imc-white);

    border: 1px solid var(--imc-border);

}


.tops-comparison {

    border-top: 5px solid var(--imc-blue);

}


.certification-comparison {

    border-top: 5px solid var(--imc-gold);

}


.top-imc-comparison-label {

    display: inline-block;

    margin-bottom: 15px;

    color: var(--imc-muted);

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1.5px;

}


.top-imc-comparison-card h3 {

    margin: 0 0 12px;

    color: var(--imc-dark);

    font-size: 24px;

}


.top-imc-comparison-card p {

    margin: 0;

    color: var(--imc-text);

    font-size: 16px;

    line-height: 1.7;

}


.top-imc-important-note {

    margin-top: 25px;

    padding: 20px 22px;

    border-radius: 14px;

    background: var(--imc-gold-light);

    border-left: 5px solid var(--imc-gold);

    color: var(--imc-text);

    line-height: 1.6;

}


.top-imc-important-note strong {

    color: var(--imc-dark);

}


/* =========================================================
   OBJECTIF
========================================================= */

.top-imc-objective-section {

    max-width: none;

    background:
        linear-gradient(
            135deg,
            var(--imc-blue-light),
            var(--imc-white)
        );

}


.top-imc-objective-content {

    width: 100%;
    max-width: 850px;

    margin: 0 auto;

}


.top-imc-objective-content h2 {

    margin: 0 0 25px;

    color: var(--imc-dark);

    font-size: clamp(30px, 4vw, 45px);

    line-height: 1.2;

}


.top-imc-objective-content p:not(.top-imc-section-kicker) {

    margin: 0 0 20px;

    color: var(--imc-text);

    font-size: 17px;

    line-height: 1.8;

}


.top-imc-objective-content p:last-child {

    margin-bottom: 0;

}


/* =========================================================
   ACCÈS AUX CLASSEMENTS
========================================================= */

.top-imc-access {

    text-align: center;

}


.top-imc-access .top-imc-section-heading {

    margin-left: auto;
    margin-right: auto;

}


.top-imc-access-grid {

    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 18px;

    max-width: 700px;

    margin: 0 auto;

}


.top-imc-button {

    min-height: 58px;

    padding: 16px 25px;

    box-sizing: border-box;

    border-radius: 12px;

    display: flex;

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

    text-decoration: none;

    font-size: 16px;
    font-weight: 800;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;

}


.top-imc-button:hover {

    transform: translateY(-3px);

    box-shadow: 0 10px 25px rgba(20, 45, 75, 0.14);

}


.top-imc-button-blue {

    background: var(--imc-blue);

    color: var(--imc-white);

}


.top-imc-button-gold {

    background: var(--imc-gold);

    color: var(--imc-dark);

}


/* =========================================================
   BOTTOM
========================================================= */

.bottom {

    width: 100%;

    padding: 45px 24px;

    box-sizing: border-box;

    text-align: center;

    background: var(--imc-dark);

}


.bottom-name {

    margin: 0 0 8px;

    color: var(--imc-white);

    font-size: 15px;
    font-weight: 800;

    letter-spacing: 1.5px;

}


.bottom-motto {

    margin: 0 0 15px;

    color: var(--imc-gold);

    font-size: 14px;

    font-weight: 600;

}


.copyright {

    margin: 0;

    color: rgba(255, 255, 255, 0.6);

    font-size: 12px;

}


/* =========================================================
   TABLETTE
========================================================= */

@media (max-width: 900px) {

    .top-imc-purpose-grid {

        grid-template-columns: repeat(2, 1fr);

    }

}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 700px) {

    .header-inner {

        padding: 13px 16px;

    }


    .logo {

        width: 78px;

    }


    .menu-button {

        width: 44px;
        height: 44px;

        font-size: 23px;

    }


    .main-menu {

        padding-left: 16px;
        padding-right: 16px;

    }


    .top-imc-hero {

        padding: 65px 20px;

    }


    .top-imc-hero h1 {

        font-size: 40px;

    }


    .top-imc-hero-text {

        font-size: 16px;

    }


    .top-imc-section {

        padding: 60px 20px;

    }


    .top-imc-section-heading {

        margin-bottom: 32px;

    }


    .top-imc-ranking-grid {

        grid-template-columns: 1fr;

    }


    .top-imc-purpose-grid {

        grid-template-columns: 1fr 1fr;

        gap: 12px;

    }


    .top-imc-purpose-card {

        padding: 22px 17px;

    }


    .top-imc-platforms-grid {

        grid-template-columns: repeat(2, 1fr);

        gap: 12px;

    }


    .top-imc-platform-card {

        padding: 16px;

    }


    .top-imc-platform-logo {

        width: 62px;
        height: 62px;

        margin-bottom: 12px;

    }


    .top-imc-platform-card h3 {

        font-size: 15px;

    }


    .top-imc-publication-grid {

        grid-template-columns: 1fr;

    }


    .top-imc-comparison-grid {

        grid-template-columns: 1fr;

    }


    .top-imc-access-grid {

        grid-template-columns: 1fr;

    }


    .top-imc-methodology-block {

        padding: 20px 16px;

    }


    .top-imc-percentage-item {

        padding: 11px 14px;

    }


    .top-imc-premium-section,
    .top-imc-objective-section {

        padding-left: 20px;
        padding-right: 20px;

    }


    .bottom {

        padding: 38px 20px;

    }

}


/* =========================================================
   PETIT MOBILE
========================================================= */

@media (max-width: 430px) {

    .top-imc-purpose-grid {

        grid-template-columns: 1fr;

    }


    .top-imc-hero h1 {

        font-size: 35px;

    }


    .top-imc-section-heading h2 {

        font-size: 30px;

    }


    .top-imc-platform-logo {

        width: 55px;
        height: 55px;

    }


    .top-imc-platform-card h3 {

        font-size: 14px;

    }


    .top-imc-ranking-card,
    .top-imc-publication-card,
    .top-imc-comparison-card {

        padding: 24px 20px;

    }

}