```css
/* =========================================================
   JEU DE BOULES - STYLE MODERNE
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    min-height: 100vh;
    color: #ffffff;
    background: #07111f;
    overflow-x: hidden;
}

/* =========================================================
   FOND PRINCIPAL
   ========================================================= */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px 20px;
    overflow: hidden;

    background:
        radial-gradient(circle at 15% 20%, rgba(37, 99, 235, .35), transparent 30%),
        radial-gradient(circle at 85% 80%, rgba(16, 185, 129, .25), transparent 30%),
        linear-gradient(135deg, #020617 0%, #0f172a 45%, #172554 100%);
}

/* Lumières décoratives */

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(5px);
    pointer-events: none;
}

.hero::before {
    width: 420px;
    height: 420px;
    left: -180px;
    top: -150px;
    background: rgba(59, 130, 246, .18);
    box-shadow: 0 0 100px rgba(59, 130, 246, .35);
    animation: floatingLight 7s ease-in-out infinite;
}

.hero::after {
    width: 350px;
    height: 350px;
    right: -150px;
    bottom: -100px;
    background: rgba(16, 185, 129, .15);
    box-shadow: 0 0 100px rgba(16, 185, 129, .3);
    animation: floatingLight 9s ease-in-out infinite reverse;
}

@keyframes floatingLight {
    0%, 100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-25px) scale(1.08);
    }
}

/* =========================================================
   PETITES BOULES DECORATIVES
   ========================================================= */

.hero .container::before,
.hero .container::after {
    content: "●";
    position: absolute;
    font-size: 110px;
    opacity: .08;
    color: #ffffff;
    pointer-events: none;
}

.hero .container::before {
    top: 12%;
    left: 8%;
    animation: ballMove 6s ease-in-out infinite;
}

.hero .container::after {
    bottom: 10%;
    right: 8%;
    font-size: 150px;
    animation: ballMove 8s ease-in-out infinite reverse;
}

@keyframes ballMove {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(20deg);
    }
}

/* =========================================================
   CONTENEUR
   ========================================================= */

.container {
    position: relative;
    z-index: 5;
    width: 100%;
    max-width: 1150px;
    margin: auto;
}

/* =========================================================
   BARRE DU HAUT
   ========================================================= */

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 35px;
}

.topbar strong {
    display: flex;
    align-items: center;
    gap: 10px;

    font-size: 24px;
    font-weight: 900;
    letter-spacing: 1px;

    color: #ffffff;
    text-shadow: 0 0 20px rgba(255,255,255,.2);
}

.topbar a {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    padding: 11px 20px;

    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;

    border: 1px solid rgba(255,255,255,.25);
    border-radius: 10px;

    background: rgba(255,255,255,.08);
    backdrop-filter: blur(10px);

    transition: all .3s ease;
}

.topbar a:hover {
    transform: translateY(-2px);

    background: rgba(255,255,255,.16);
    border-color: rgba(255,255,255,.5);

    box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

/* =========================================================
   CARTE PRINCIPALE
   ========================================================= */

.hero-card {
    position: relative;

    max-width: 900px;
    margin: auto;
    padding: 65px 55px;

    text-align: center;

    border: 1px solid rgba(255,255,255,.18);
    border-radius: 30px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,.14),
            rgba(255,255,255,.05)
        );

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    box-shadow:
        0 30px 80px rgba(0,0,0,.45),
        inset 0 1px 0 rgba(255,255,255,.15);

    animation: cardAppear .8s ease-out;
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Ligne décorative */

.hero-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 180px;
    height: 3px;

    transform: translateX(-50%);

    background: #60a5fa;
    border-radius: 10px;

    box-shadow:
        0 0 15px rgba(96,165,250,.8),
        0 0 35px rgba(96,165,250,.5);
}

/* =========================================================
   BADGE
   ========================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    padding: 9px 18px;

    border-radius: 50px;

    color: #bfdbfe;
    background: rgba(37,99,235,.18);
    border: 1px solid rgba(96,165,250,.35);

    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1.5px;

    box-shadow: 0 0 25px rgba(37,99,235,.15);

    margin-bottom: 22px;
}

/* =========================================================
   TITRE
   ========================================================= */

h1 {
    margin: 0 auto 22px;

    max-width: 800px;

    font-size: clamp(36px, 7vw, 68px);
    line-height: 1.05;
    font-weight: 900;
    letter-spacing: -2px;

    color: #ffffff;

    text-shadow:
        0 5px 25px rgba(0,0,0,.35);
}

/* =========================================================
   TEXTE
   ========================================================= */

.hero-card p {
    max-width: 700px;
    margin: 0 auto 38px;

    font-size: 18px;
    line-height: 1.8;

    color: #cbd5e1;
}

/* =========================================================
   BOUTONS
   ========================================================= */

.actions {
    display: flex;
    align-items: center;
    justify-content: center;

    gap: 15px;
    flex-wrap: wrap;
}

.btn {
    position: relative;

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

    min-width: 240px;

    padding: 17px 32px;

    border-radius: 13px;

    color: #ffffff;
    text-decoration: none;

    font-size: 17px;
    font-weight: 900;
    letter-spacing: .3px;

    background:
        linear-gradient(135deg, #2563eb, #3b82f6);

    border: 1px solid rgba(255,255,255,.15);

    box-shadow:
        0 12px 30px rgba(37,99,235,.35),
        inset 0 1px 0 rgba(255,255,255,.2);

    overflow: hidden;

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

.btn::before {
    content: "";

    position: absolute;
    top: 0;
    left: -100%;

    width: 60%;
    height: 100%;

    background: linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,.25),
        transparent
    );

    transform: skewX(-20deg);

    transition: left .6s ease;
}

.btn:hover::before {
    left: 140%;
}

.btn:hover {
    transform: translateY(-4px) scale(1.02);

    box-shadow:
        0 18px 40px rgba(37,99,235,.5),
        0 0 25px rgba(59,130,246,.25);
}

.btn:active {
    transform: translateY(0) scale(.98);
}

/* =========================================================
   BLOCS INFORMATIONS
   ========================================================= */

.info {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 16px;

    margin-top: 45px;
}

.info-box {
    position: relative;

    padding: 22px 15px;

    border-radius: 16px;

    background: rgba(15,23,42,.45);
    border: 1px solid rgba(255,255,255,.1);

    transition: all .3s ease;
}

.info-box:hover {
    transform: translateY(-5px);

    background: rgba(255,255,255,.08);

    border-color: rgba(96,165,250,.3);

    box-shadow: 0 12px 30px rgba(0,0,0,.2);
}

.info-box strong {
    display: block;

    margin-bottom: 7px;

    font-size: 30px;
    font-weight: 900;

    color: #60a5fa;

    text-shadow: 0 0 15px rgba(96,165,250,.35);
}

.info-box span {
    display: block;

    color: #94a3b8;

    font-size: 13px;
    font-weight: 600;
}

/* =========================================================
   EFFET DE POINTS EN ARRIERE-PLAN
   ========================================================= */

.hero {
    background-image:
        radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
        radial-gradient(circle at 15% 20%, rgba(37,99,235,.35), transparent 30%),
        radial-gradient(circle at 85% 80%, rgba(16,185,129,.25), transparent 30%),
        linear-gradient(135deg, #020617 0%, #0f172a 45%, #172554 100%);

    background-size:
        35px 35px,
        auto,
        auto,
        auto;
}

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

@media (max-width: 800px) {

    .hero {
        padding: 25px 15px;
    }

    .hero-card {
        padding: 50px 30px;
        border-radius: 24px;
    }

    h1 {
        font-size: clamp(34px, 9vw, 52px);
    }

    .hero-card p {
        font-size: 16px;
        line-height: 1.7;
    }

    .info {
        gap: 10px;
    }
}

/* =========================================================
   RESPONSIVE TELEPHONE
   ========================================================= */

@media (max-width: 600px) {

    .hero {
        min-height: 100vh;
        padding: 18px 12px;
    }

    .topbar {
        flex-direction: column;
        text-align: center;
        margin-bottom: 20px;
    }

    .topbar strong {
        font-size: 20px;
    }

    .topbar a {
        width: 100%;
        max-width: 220px;
    }

    .hero-card {
        padding: 42px 20px;
        border-radius: 20px;
    }

    .badge {
        font-size: 10px;
        padding: 8px 13px;
    }

    h1 {
        font-size: 38px;
        letter-spacing: -1px;
    }

    .hero-card p {
        font-size: 15px;
        margin-bottom: 30px;
    }

    .actions {
        width: 100%;
    }

    .btn {
        width: 100%;
        min-width: 0;
        padding: 16px 20px;
        font-size: 16px;
    }

    .info {
        grid-template-columns: 1fr;
        margin-top: 30px;
    }

    .info-box {
        padding: 17px;
    }

    .info-box strong {
        font-size: 25px;
    }

    .hero .container::before,
    .hero .container::after {
        display: none;
    }
}

/* =========================================================
   TRES PETITS TELEPHONES
   ========================================================= */

@media (max-width: 380px) {

    .hero-card {
        padding: 35px 15px;
    }

    h1 {
        font-size: 32px;
    }

    .hero-card p {
        font-size: 14px;
    }
}
```