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

:root {
    --terracotta: #C66B4D;
    --sauge: #8BA89A;
    --nuit: #1A2B3C;
    --blanc: #F9F8F6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--blanc);
    color: var(--nuit);
    line-height: 1.6;
}

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

header {
    background: white;
    padding: 1rem 0;
    border-bottom: 3px solid var(--terracotta);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--nuit);
}

nav ul {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

nav a {
    text-decoration: none;
    color: var(--nuit);
    font-weight: 500;
}

nav a:hover {
    color: var(--terracotta);
}

main {
    min-height: 60vh;
    padding: 3rem 0;
}

.hero {
    background: linear-gradient(135deg, var(--nuit), var(--terracotta));
    color: white;
    text-align: center;
    padding: 4rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tagline {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn, .btn-primary, .btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    text-decoration: none;
    margin: 0 0.5rem;
}

.btn-primary {
    background: white;
    color: var(--terracotta);
}

.btn-secondary {
    background: transparent;
    border: 2px solid white;
    color: white;
}

h1 {
    color: var(--terracotta);
    margin-bottom: 1rem;
}

h2, h3 {
    margin: 1.5rem 0 0.5rem;
}

footer {
    background: var(--nuit);
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer a {
    color: var(--sauge);
    text-decoration: none;
}

input, select, textarea {
    width: 100%;
    max-width: 400px;
    padding: 0.5rem;
    margin: 0.5rem 0;
    border: 1px solid #ddd;
    border-radius: 0.5rem;
}

button {
    background: var(--terracotta);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }
    
    .hero h1 {
        font-size: 1.5rem;
    }
}