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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #FAF8EB;
    position: relative;
    min-height: 100vh;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation - Structure responsive inspirée de spikto-com */
.header {
    background: rgba(0, 0, 0, 0.85);
    border: 2px solid rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    margin: 20px;
    border-radius: 20px;
    margin-bottom: 30px;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 11.3% 23.7%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px),
        radial-gradient(circle at 73.2% 51.9%, rgba(245, 240, 215, 0.12) 0.7px, transparent 0.7px),
        radial-gradient(circle at 44.8% 87.3%, rgba(245, 240, 215, 0.06) 0.4px, transparent 0.4px),
        radial-gradient(circle at 92.1% 14.5%, rgba(245, 240, 215, 0.15) 0.8px, transparent 0.8px),
        radial-gradient(circle at 28.6% 68.4%, rgba(245, 240, 215, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 61.9% 31.2%, rgba(245, 240, 215, 0.11) 0.5px, transparent 0.5px),
        radial-gradient(circle at 17.4% 94.8%, rgba(245, 240, 215, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 85.7% 76.1%, rgba(245, 240, 215, 0.13) 0.9px, transparent 0.9px),
        radial-gradient(circle at 39.2% 42.6%, rgba(245, 240, 215, 0.1) 0.6px, transparent 0.6px),
        radial-gradient(circle at 56.3% 8.9%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px);
    background-size:
        47px 53px, 61px 67px, 37px 41px, 71px 73px, 43px 47px,
        59px 61px, 31px 37px, 67px 71px, 41px 43px, 53px 59px;
    background-position:
        0 0, 13px 19px, 29px 7px, 5px 31px, 41px 11px,
        17px 43px, 37px 23px, 7px 47px, 23px 17px, 11px 37px;
    pointer-events: none;
    opacity: 0.8;
    z-index: 0;
}

.header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 67.4% 18.3%, rgba(250, 248, 235, 0.05) 0.3px, transparent 0.3px),
        radial-gradient(circle at 21.8% 79.5%, rgba(250, 248, 235, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 94.7% 43.2%, rgba(250, 248, 235, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 33.1% 56.8%, rgba(250, 248, 235, 0.11) 0.7px, transparent 0.7px),
        radial-gradient(circle at 78.9% 91.4%, rgba(250, 248, 235, 0.06) 0.5px, transparent 0.5px),
        radial-gradient(circle at 49.5% 27.6%, rgba(250, 248, 235, 0.08) 0.4px, transparent 0.4px),
        radial-gradient(circle at 8.2% 62.9%, rgba(250, 248, 235, 0.1) 0.8px, transparent 0.8px),
        radial-gradient(circle at 86.3% 35.7%, rgba(250, 248, 235, 0.09) 0.5px, transparent 0.5px),
        radial-gradient(circle at 52.7% 74.1%, rgba(250, 248, 235, 0.07) 0.6px, transparent 0.6px),
        radial-gradient(circle at 14.9% 39.8%, rgba(250, 248, 235, 0.12) 0.9px, transparent 0.9px);
    background-size:
        53px 59px, 73px 79px, 41px 43px, 83px 89px, 47px 53px,
        71px 73px, 37px 41px, 79px 83px, 43px 47px, 61px 67px;
    background-position:
        7px 13px, 31px 5px, 19px 41px, 11px 23px, 43px 37px,
        3px 53px, 47px 17px, 23px 47px, 37px 11px, 17px 29px;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.6;
    z-index: 0;
}

.navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 2rem;
    position: relative;
    z-index: 1;
}


.logo-link {
    text-decoration: none;
    display: block;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 1;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo h1 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
}

.logo h1 .go-bleu {
    background: none;
    -webkit-text-fill-color: #0080FF;
    color: #0080FF;
}

.emoji-dice, .emoji-inline {
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: initial !important;
    background-clip: unset !important;
    color: initial !important;
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji" !important;
}

.pikto-inline {
    width: 1.44em;
    height: 1.44em;
    display: inline-block;
    vertical-align: middle;
    object-fit: contain;
    margin: 0 0 0 0.05em;
}

.pikto-cible {
    margin-left: -0.2em;
    margin-right: -0.1em;
}

.pikto-triangle {
    margin-left: -0.1em;
    margin-right: -0.25em;
    vertical-align: middle;
    transform: translateY(-0.10em);
}

sup {
    font-size: 0.33em;
    font-weight: 300;
    vertical-align: super;
    margin-left: 0.05em;
}

.go-bleu {
    color: #0080FF;
    font-weight: bold;
}

.a-framboise {
    color: #ff69b4;
    font-weight: bold;
}

.a-mauve {
    color: #b19cd9;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    z-index: 1;
}

.nav-link {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fbbf24;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: #fbbf24;
    font-weight: 600;
}

/* Menu hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    margin: 3px 0;
    transition: 0.3s;
}

/* Sections */
main {
    padding: 2rem 0;
}

section {
    margin-bottom: 4rem;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(0, 0, 0, 0.85);
    border-radius: 20px;
    margin: 0 auto 2rem auto;
    max-width: 900px;
    border: 2px solid rgba(0, 0, 0, 0.9);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 11.3% 23.7%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px),
        radial-gradient(circle at 73.2% 51.9%, rgba(245, 240, 215, 0.12) 0.7px, transparent 0.7px),
        radial-gradient(circle at 44.8% 87.3%, rgba(245, 240, 215, 0.06) 0.4px, transparent 0.4px),
        radial-gradient(circle at 92.1% 14.5%, rgba(245, 240, 215, 0.15) 0.8px, transparent 0.8px),
        radial-gradient(circle at 28.6% 68.4%, rgba(245, 240, 215, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 61.9% 31.2%, rgba(245, 240, 215, 0.11) 0.5px, transparent 0.5px),
        radial-gradient(circle at 17.4% 94.8%, rgba(245, 240, 215, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 85.7% 76.1%, rgba(245, 240, 215, 0.13) 0.9px, transparent 0.9px),
        radial-gradient(circle at 39.2% 42.6%, rgba(245, 240, 215, 0.1) 0.6px, transparent 0.6px),
        radial-gradient(circle at 56.3% 8.9%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px);
    background-size:
        47px 53px, 61px 67px, 37px 41px, 71px 73px, 43px 47px,
        59px 61px, 31px 37px, 67px 71px, 41px 43px, 53px 59px;
    background-position:
        0 0, 13px 19px, 29px 7px, 5px 31px, 41px 11px,
        17px 43px, 37px 23px, 7px 47px, 23px 17px, 11px 37px;
    pointer-events: none;
    opacity: 0.8;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 67.4% 18.3%, rgba(250, 248, 235, 0.05) 0.3px, transparent 0.3px),
        radial-gradient(circle at 21.8% 79.5%, rgba(250, 248, 235, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 94.7% 43.2%, rgba(250, 248, 235, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 33.1% 56.8%, rgba(250, 248, 235, 0.11) 0.7px, transparent 0.7px),
        radial-gradient(circle at 78.9% 91.4%, rgba(250, 248, 235, 0.06) 0.5px, transparent 0.5px),
        radial-gradient(circle at 49.5% 27.6%, rgba(250, 248, 235, 0.08) 0.4px, transparent 0.4px),
        radial-gradient(circle at 8.2% 62.9%, rgba(250, 248, 235, 0.1) 0.8px, transparent 0.8px),
        radial-gradient(circle at 86.3% 35.7%, rgba(250, 248, 235, 0.09) 0.5px, transparent 0.5px),
        radial-gradient(circle at 52.7% 74.1%, rgba(250, 248, 235, 0.07) 0.6px, transparent 0.6px),
        radial-gradient(circle at 14.9% 39.8%, rgba(250, 248, 235, 0.12) 0.9px, transparent 0.9px);
    background-size:
        53px 59px, 73px 79px, 41px 43px, 83px 89px, 47px 53px,
        71px 73px, 37px 41px, 79px 83px, 43px 47px, 61px 67px;
    background-position:
        7px 13px, 31px 5px, 19px 41px, 11px 23px, 43px 37px,
        3px 53px, 47px 17px, 23px 47px, 37px 11px, 17px 29px;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.6;
    z-index: 0;
}

.hero-content h2 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.hero-content p {
    font-size: 1.2rem;
    color: #f5f0d7;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 250, 205, 0.9);
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    border: 2px solid rgba(245, 230, 180, 0.8);
}

.cta-button:hover {
    background: rgba(255, 250, 205, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 250, 205, 0.5);
}

/* Formations */
.courses {
    padding: 4rem 2rem;
    background: rgba(0, 0, 0, 0.85);
    border-radius: 20px;
    margin: 0 auto 2rem auto;
    max-width: 900px;
    border: 2px solid rgba(0, 0, 0, 0.9);
    position: relative;
    overflow: hidden;
}

.courses::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 11.3% 23.7%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px),
        radial-gradient(circle at 73.2% 51.9%, rgba(245, 240, 215, 0.12) 0.7px, transparent 0.7px),
        radial-gradient(circle at 44.8% 87.3%, rgba(245, 240, 215, 0.06) 0.4px, transparent 0.4px),
        radial-gradient(circle at 92.1% 14.5%, rgba(245, 240, 215, 0.15) 0.8px, transparent 0.8px),
        radial-gradient(circle at 28.6% 68.4%, rgba(245, 240, 215, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 61.9% 31.2%, rgba(245, 240, 215, 0.11) 0.5px, transparent 0.5px),
        radial-gradient(circle at 17.4% 94.8%, rgba(245, 240, 215, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 85.7% 76.1%, rgba(245, 240, 215, 0.13) 0.9px, transparent 0.9px),
        radial-gradient(circle at 39.2% 42.6%, rgba(245, 240, 215, 0.1) 0.6px, transparent 0.6px),
        radial-gradient(circle at 56.3% 8.9%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px);
    background-size:
        47px 53px, 61px 67px, 37px 41px, 71px 73px, 43px 47px,
        59px 61px, 31px 37px, 67px 71px, 41px 43px, 53px 59px;
    background-position:
        0 0, 13px 19px, 29px 7px, 5px 31px, 41px 11px,
        17px 43px, 37px 23px, 7px 47px, 23px 17px, 11px 37px;
    pointer-events: none;
    opacity: 0.8;
    z-index: 0;
}

.courses::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 67.4% 18.3%, rgba(250, 248, 235, 0.05) 0.3px, transparent 0.3px),
        radial-gradient(circle at 21.8% 79.5%, rgba(250, 248, 235, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 94.7% 43.2%, rgba(250, 248, 235, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 33.1% 56.8%, rgba(250, 248, 235, 0.11) 0.7px, transparent 0.7px),
        radial-gradient(circle at 78.9% 91.4%, rgba(250, 248, 235, 0.06) 0.5px, transparent 0.5px),
        radial-gradient(circle at 49.5% 27.6%, rgba(250, 248, 235, 0.08) 0.4px, transparent 0.4px),
        radial-gradient(circle at 8.2% 62.9%, rgba(250, 248, 235, 0.1) 0.8px, transparent 0.8px),
        radial-gradient(circle at 86.3% 35.7%, rgba(250, 248, 235, 0.09) 0.5px, transparent 0.5px),
        radial-gradient(circle at 52.7% 74.1%, rgba(250, 248, 235, 0.07) 0.6px, transparent 0.6px),
        radial-gradient(circle at 14.9% 39.8%, rgba(250, 248, 235, 0.12) 0.9px, transparent 0.9px);
    background-size:
        53px 59px, 73px 79px, 41px 43px, 83px 89px, 47px 53px,
        71px 73px, 37px 41px, 79px 83px, 43px 47px, 61px 67px;
    background-position:
        7px 13px, 31px 5px, 19px 41px, 11px 23px, 43px 37px,
        3px 53px, 47px 17px, 23px 47px, 37px 11px, 17px 29px;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.6;
    z-index: 0;
}

.courses h2 {
    text-align: center;
    font-size: 2rem;
    color: #fff;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }
}

.course-card {
    background: rgba(250, 248, 235, 0.8);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid rgba(230, 215, 185, 0.8);
    transition: all 0.3s ease;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.course-card h3 {
    color: #000;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.course-card p {
    color: #333;
    margin-bottom: 0.5rem;
}

.course-duration,
.course-price {
    text-align: center;
    font-weight: 500;
}

.course-description {
    text-align: center;
    margin-top: 1rem;
}

.course-card-purple {
    background: rgba(255, 200, 220, 0.8) !important;
    border-color: rgba(240, 180, 200, 0.8) !important;
}

.course-card-yellow {
    background: rgba(255, 250, 205, 0.8) !important;
    border-color: rgba(245, 230, 180, 0.8) !important;
}

.course-card-blue {
    background: rgba(200, 220, 255, 0.8) !important;
    border-color: rgba(180, 200, 240, 0.8) !important;
}

.newsletter-section {
    text-align: center;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.newsletter-description {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.newsletter-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 250, 205, 0.9);
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(245, 230, 180, 0.8);
}

.newsletter-button:hover {
    background: rgba(255, 250, 205, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 250, 205, 0.5);
}

/* À propos */
.about {
    padding: 2rem;
    background: rgba(0, 0, 0, 0.85);
    border-radius: 20px;
    margin: 4rem auto;
    max-width: 900px;
    border: 2px solid rgba(0, 0, 0, 0.9);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 11.3% 23.7%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px),
        radial-gradient(circle at 73.2% 51.9%, rgba(245, 240, 215, 0.12) 0.7px, transparent 0.7px),
        radial-gradient(circle at 44.8% 87.3%, rgba(245, 240, 215, 0.06) 0.4px, transparent 0.4px),
        radial-gradient(circle at 92.1% 14.5%, rgba(245, 240, 215, 0.15) 0.8px, transparent 0.8px),
        radial-gradient(circle at 28.6% 68.4%, rgba(245, 240, 215, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 61.9% 31.2%, rgba(245, 240, 215, 0.11) 0.5px, transparent 0.5px),
        radial-gradient(circle at 17.4% 94.8%, rgba(245, 240, 215, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 85.7% 76.1%, rgba(245, 240, 215, 0.13) 0.9px, transparent 0.9px),
        radial-gradient(circle at 39.2% 42.6%, rgba(245, 240, 215, 0.1) 0.6px, transparent 0.6px),
        radial-gradient(circle at 56.3% 8.9%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px);
    background-size:
        47px 53px, 61px 67px, 37px 41px, 71px 73px, 43px 47px,
        59px 61px, 31px 37px, 67px 71px, 41px 43px, 53px 59px;
    background-position:
        0 0, 13px 19px, 29px 7px, 5px 31px, 41px 11px,
        17px 43px, 37px 23px, 7px 47px, 23px 17px, 11px 37px;
    pointer-events: none;
    opacity: 0.8;
    z-index: 0;
}

.about::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 67.4% 18.3%, rgba(250, 248, 235, 0.05) 0.3px, transparent 0.3px),
        radial-gradient(circle at 21.8% 79.5%, rgba(250, 248, 235, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 94.7% 43.2%, rgba(250, 248, 235, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 33.1% 56.8%, rgba(250, 248, 235, 0.11) 0.7px, transparent 0.7px),
        radial-gradient(circle at 78.9% 91.4%, rgba(250, 248, 235, 0.06) 0.5px, transparent 0.5px),
        radial-gradient(circle at 49.5% 27.6%, rgba(250, 248, 235, 0.08) 0.4px, transparent 0.4px),
        radial-gradient(circle at 8.2% 62.9%, rgba(250, 248, 235, 0.1) 0.8px, transparent 0.8px),
        radial-gradient(circle at 86.3% 35.7%, rgba(250, 248, 235, 0.09) 0.5px, transparent 0.5px),
        radial-gradient(circle at 52.7% 74.1%, rgba(250, 248, 235, 0.07) 0.6px, transparent 0.6px),
        radial-gradient(circle at 14.9% 39.8%, rgba(250, 248, 235, 0.12) 0.9px, transparent 0.9px);
    background-size:
        53px 59px, 73px 79px, 41px 43px, 83px 89px, 47px 53px,
        71px 73px, 37px 41px, 79px 83px, 43px 47px, 61px 67px;
    background-position:
        7px 13px, 31px 5px, 19px 41px, 11px 23px, 43px 37px,
        3px 53px, 47px 17px, 23px 47px, 37px 11px, 17px 29px;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.6;
    z-index: 0;
}

.about h2 {
    text-align: center;
    font-size: 2rem;
    color: #fbbf24;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.about p {
    color: #f5f0d7;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.spikto-presentation {
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 15px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(245, 240, 215, 0.1);
    text-align: center;
}

.spikto-presentation h3 {
    color: #fff;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.pikto-list {
    list-style: none;
    padding: 0;
    display: inline-block;
    text-align: left;
}

.pikto-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding: 0.5rem;
    position: relative;
    z-index: 1;
}

.pikto-list li span {
    color: #f5f0d7;
}

.pikto-bullet {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.spikto-cta {
    text-align: center;
    margin-top: 2rem;
    position: relative;
    z-index: 1;
}

.spikto-cta p {
    color: #f5f0d7;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.spikto-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 250, 205, 0.9);
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(245, 230, 180, 0.8);
}

.spikto-button:hover {
    background: rgba(255, 250, 205, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 250, 205, 0.5);
}

.welcome-closing {
    font-weight: 600;
    color: #fbbf24;
    text-align: center;
    margin-top: 2rem;
    font-size: 1.2rem;
    position: relative;
    z-index: 1;
}

/* Contact CTA (page d'accueil) */
.contact-cta {
    text-align: center;
    padding: 3rem 2rem;
    background: rgba(0, 0, 0, 0.85);
    border-radius: 20px;
    margin: 4rem auto;
    max-width: 900px;
    border: 2px solid rgba(0, 0, 0, 0.9);
    position: relative;
    overflow: hidden;
}

.contact-cta::before,
.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 11.3% 23.7%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px),
        radial-gradient(circle at 73.2% 51.9%, rgba(245, 240, 215, 0.12) 0.7px, transparent 0.7px),
        radial-gradient(circle at 44.8% 87.3%, rgba(245, 240, 215, 0.06) 0.4px, transparent 0.4px),
        radial-gradient(circle at 92.1% 14.5%, rgba(245, 240, 215, 0.15) 0.8px, transparent 0.8px),
        radial-gradient(circle at 28.6% 68.4%, rgba(245, 240, 215, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 61.9% 31.2%, rgba(245, 240, 215, 0.11) 0.5px, transparent 0.5px),
        radial-gradient(circle at 17.4% 94.8%, rgba(245, 240, 215, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 85.7% 76.1%, rgba(245, 240, 215, 0.13) 0.9px, transparent 0.9px),
        radial-gradient(circle at 39.2% 42.6%, rgba(245, 240, 215, 0.1) 0.6px, transparent 0.6px),
        radial-gradient(circle at 56.3% 8.9%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px);
    background-size:
        47px 53px, 61px 67px, 37px 41px, 71px 73px, 43px 47px,
        59px 61px, 31px 37px, 67px 71px, 41px 43px, 53px 59px;
    background-position:
        0 0, 13px 19px, 29px 7px, 5px 31px, 41px 11px,
        17px 43px, 37px 23px, 7px 47px, 23px 17px, 11px 37px;
    pointer-events: none;
    opacity: 0.8;
    z-index: 0;
}

.contact-cta::after,
.contact::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 67.4% 18.3%, rgba(250, 248, 235, 0.05) 0.3px, transparent 0.3px),
        radial-gradient(circle at 21.8% 79.5%, rgba(250, 248, 235, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 94.7% 43.2%, rgba(250, 248, 235, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 33.1% 56.8%, rgba(250, 248, 235, 0.11) 0.7px, transparent 0.7px),
        radial-gradient(circle at 78.9% 91.4%, rgba(250, 248, 235, 0.06) 0.5px, transparent 0.5px),
        radial-gradient(circle at 49.5% 27.6%, rgba(250, 248, 235, 0.08) 0.4px, transparent 0.4px),
        radial-gradient(circle at 8.2% 62.9%, rgba(250, 248, 235, 0.1) 0.8px, transparent 0.8px),
        radial-gradient(circle at 86.3% 35.7%, rgba(250, 248, 235, 0.09) 0.5px, transparent 0.5px),
        radial-gradient(circle at 52.7% 74.1%, rgba(250, 248, 235, 0.07) 0.6px, transparent 0.6px),
        radial-gradient(circle at 14.9% 39.8%, rgba(250, 248, 235, 0.12) 0.9px, transparent 0.9px);
    background-size:
        53px 59px, 73px 79px, 41px 43px, 83px 89px, 47px 53px,
        71px 73px, 37px 41px, 79px 83px, 43px 47px, 61px 67px;
    background-position:
        7px 13px, 31px 5px, 19px 41px, 11px 23px, 43px 37px,
        3px 53px, 47px 17px, 23px 47px, 37px 11px, 17px 29px;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.6;
    z-index: 0;
}

.contact-cta h2,
.contact h2 {
    color: #fff;
    margin-bottom: 2rem;
    font-size: 2rem;
    position: relative;
    z-index: 1;
}

.contact-cta p {
    color: #f5f0d7;
    margin-bottom: 2rem;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.contact-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(255, 250, 205, 0.9);
    color: #333;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    position: relative;
    z-index: 1;
    border: 2px solid rgba(245, 230, 180, 0.8);
}

.contact-button:hover {
    background: rgba(255, 250, 205, 1);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 250, 205, 0.5);
}

/* Contact page (page dédiée) */
.contact-page {
    padding: 1rem 2rem;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 1rem;
}

.contact-section {
    background: rgba(0, 0, 0, 0.85);
    border: 2px solid rgba(0, 0, 0, 0.9);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 11.3% 23.7%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px),
        radial-gradient(circle at 73.2% 51.9%, rgba(245, 240, 215, 0.12) 0.7px, transparent 0.7px),
        radial-gradient(circle at 44.8% 87.3%, rgba(245, 240, 215, 0.06) 0.4px, transparent 0.4px),
        radial-gradient(circle at 92.1% 14.5%, rgba(245, 240, 215, 0.15) 0.8px, transparent 0.8px),
        radial-gradient(circle at 28.6% 68.4%, rgba(245, 240, 215, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 61.9% 31.2%, rgba(245, 240, 215, 0.11) 0.5px, transparent 0.5px),
        radial-gradient(circle at 17.4% 94.8%, rgba(245, 240, 215, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 85.7% 76.1%, rgba(245, 240, 215, 0.13) 0.9px, transparent 0.9px),
        radial-gradient(circle at 39.2% 42.6%, rgba(245, 240, 215, 0.1) 0.6px, transparent 0.6px),
        radial-gradient(circle at 56.3% 8.9%, rgba(245, 240, 215, 0.08) 0.5px, transparent 0.5px);
    background-size:
        47px 53px, 61px 67px, 37px 41px, 71px 73px, 43px 47px,
        59px 61px, 31px 37px, 67px 71px, 41px 43px, 53px 59px;
    background-position:
        0 0, 13px 19px, 29px 7px, 5px 31px, 41px 11px,
        17px 43px, 37px 23px, 7px 47px, 23px 17px, 11px 37px;
    pointer-events: none;
    opacity: 0.8;
    z-index: 0;
}

.contact-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    background-image:
        radial-gradient(circle at 67.4% 18.3%, rgba(250, 248, 235, 0.05) 0.3px, transparent 0.3px),
        radial-gradient(circle at 21.8% 79.5%, rgba(250, 248, 235, 0.09) 0.6px, transparent 0.6px),
        radial-gradient(circle at 94.7% 43.2%, rgba(250, 248, 235, 0.07) 0.4px, transparent 0.4px),
        radial-gradient(circle at 33.1% 56.8%, rgba(250, 248, 235, 0.11) 0.7px, transparent 0.7px),
        radial-gradient(circle at 78.9% 91.4%, rgba(250, 248, 235, 0.06) 0.5px, transparent 0.5px),
        radial-gradient(circle at 49.5% 27.6%, rgba(250, 248, 235, 0.08) 0.4px, transparent 0.4px),
        radial-gradient(circle at 8.2% 62.9%, rgba(250, 248, 235, 0.1) 0.8px, transparent 0.8px),
        radial-gradient(circle at 86.3% 35.7%, rgba(250, 248, 235, 0.09) 0.5px, transparent 0.5px),
        radial-gradient(circle at 52.7% 74.1%, rgba(250, 248, 235, 0.07) 0.6px, transparent 0.6px),
        radial-gradient(circle at 14.9% 39.8%, rgba(250, 248, 235, 0.12) 0.9px, transparent 0.9px);
    background-size:
        53px 59px, 73px 79px, 41px 43px, 83px 89px, 47px 53px,
        71px 73px, 37px 41px, 79px 83px, 43px 47px, 61px 67px;
    background-position:
        7px 13px, 31px 5px, 19px 41px, 11px 23px, 43px 37px,
        3px 53px, 47px 17px, 23px 47px, 37px 11px, 17px 29px;
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.6;
    z-index: 0;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    color: #fbbf24;
    margin-bottom: 2rem;
    background: linear-gradient(45deg, #fbbf24, #fde047);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.contact-section iframe {
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.contact-alternative {
    text-align: center;
    color: #f5f0d7;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.contact-alternative a {
    color: #fbbf24;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-alternative a:hover {
    color: #fde047;
    text-decoration: underline;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: relative;
    z-index: 1;
    margin-top: 2rem;
}

.contact-info p {
    color: #f5f0d7;
    font-size: 1.1rem;
}

.email-link {
    color: #fbbf24;
    text-decoration: none;
    transition: color 0.3s ease;
}

.email-link:hover {
    color: #fde047;
    text-decoration: underline;
}

.linkedin-link {
    display: inline-block;
    transition: all 0.3s ease;
}

.linkedin-link:hover {
    transform: scale(1.1);
}

.linkedin-link svg {
    fill: #0077b5;
}

/* Footer */
footer {
    background: rgba(71, 85, 105, 0.9);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

footer p {
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        margin: 10px;
    }

    .navigation {
        padding: 0.5rem 1rem;
    }

    .nav-menu {
        position: fixed;
        left: -120%;
        top: 70px;
        flex-direction: column;
        background: rgba(245, 240, 215, 0.95);
        width: calc(100% - 20px);
        margin: 0 10px;
        border-radius: 15px;
        text-align: center;
        transition: 0.3s;
        padding: 1rem;
        border: 2px solid rgba(230, 215, 185, 0.8);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        backdrop-filter: blur(10px);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: 0.5rem 0;
        width: 100%;
    }

    .nav-link {
        display: block;
        padding: 0.75rem 1rem;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .hero {
        padding: 2rem 1rem;
        margin: 0 10px 2rem 10px;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .about {
        padding: 1.5rem;
        margin: 4rem 10px;
    }

    .contact-cta,
    .contact {
        padding: 2rem 1rem;
        margin: 4rem 10px;
    }

    .contact-page {
        padding: 2rem 1rem;
    }

    .contact-section {
        padding: 2rem 1.5rem;
        margin: 1.5rem 10px;
    }

    .contact-section h2 {
        font-size: 2rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .header {
        margin: 5px;
    }

    .navigation {
        padding: 0.5rem;
    }

    .nav-menu {
        width: calc(100% - 10px);
        margin: 0 5px;
        top: 60px;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .cta-button,
    .newsletter-button,
    .contact-button {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .courses h2,
    .about h2 {
        font-size: 1.5rem;
    }

    .course-card {
        padding: 1.5rem;
    }

    .course-card h3 {
        font-size: 1.3rem;
    }

    .logo h1 {
        font-size: 1rem;
    }
}