@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;800&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5;
    color: #464343;
}

html, body {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 40px;
    background-color: #507091;
    color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header .logo img {
    height: 100px;
}

.footer {
    margin-top: 40px;
    padding: 15px 0;
    background-color: #111;
    text-align: center;
}

.footer-menu {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-link {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    font-family: Arial, sans-serif;
}

.footer-link:hover {
    color: #f5c542;
}

.bitcoin-section {
     display: flex;
     flex-direction: column;
     align-items: center;
     gap: 20px;
     padding: 40px 20px;
     text-align: center;
     color: #2b2b2b;
}
.bitcoin-section img {
     max-width: 360px;
     width: 100%;
     height: auto;
     border-radius: 8px;
     box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}
.bitcoin-section p {
     max-width: 900px;
     font-size: clamp(16px, 2.4vw, 20px);
     line-height: 1.6;
     margin: 0;
}

/* Contact page styles */
.contact-section {
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
    color: #2b2b2b;
}
.contact-section h2 {
    font-size: clamp(22px, 3.6vw, 36px);
    margin-bottom: 16px;
}
.contact-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 10px;
    font-size: 18px;
}
.contact-item strong {
    display: inline-block;
    width: 130px;
}
.contact-list a {
    color: #507091;
    text-decoration: none;
}
.contact-list a:hover {
    text-decoration: underline;
}

/* Large colorful animated welcome hero */
.bienvenue-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1; /* take remaining space between header and footer */
    text-align: center;
    color: #ffffff;
    background: linear-gradient(135deg, #2b7cff 0%, #8a5cff 100%);
    padding: 20px;
}
.bienvenue-hero h1 {
    font-size: clamp(40px, 10vw, 140px);
    font-weight: 800;
    letter-spacing: 3px;
    margin: 0;
    color: #ffffff;
    font-family: 'Montserrat', Arial, sans-serif;
    text-shadow: 0 10px 30px rgba(0,0,0,0.35);
    transform-origin: center center;
    animation: fadeInScale 0.9s cubic-bezier(.2,.9,.3,1) both;
}

@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.96); }
    to   { opacity: 1; transform: scale(1); }
}

/* Reusable page hero (smaller than home hero) */
.page-hero {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #ffffff;
    background: linear-gradient(135deg, #2b7cff 0%, #8a5cff 100%);
    padding: 20px 10px;
    min-height: clamp(160px, 25vh, 320px);
}
.page-hero h1 {
    font-size: clamp(28px, 6vw, 80px);
    font-weight: 800;
    margin: 0;
    color: #ffffff;
    font-family: 'Montserrat', Arial, sans-serif;
    text-shadow: 0 6px 20px rgba(0,0,0,0.25);
    animation: fadeInScale 0.8s cubic-bezier(.2,.9,.3,1) both;
}

