/* ------------------------------
   RESET & BASE
--------------------------------*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", "Segoe UI", sans-serif;
    background: #f6f4ef; /* crème premium */
    color: #2a2a2a;
    line-height: 1.7;
    font-size: 17px;
}

/* ------------------------------
   HEADER PREMIUM
--------------------------------*/
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 60px;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e6e6e6;
    position: sticky;
    top: 0;
    z-index: 20;
}

header .logo {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #2a2a2a;
}

nav a {
    margin-left: 30px;
    text-decoration: none;
    color: #444;
    font-weight: 500;
    transition: 0.25s;
}

nav a:hover {
    color: #5a6fe8;
}

/* ------------------------------
   HERO PREMIUM
--------------------------------*/
.hero {
    display: flex;
    align-items: center;
    padding: 100px 60px;
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    border-radius: 20px;
    margin: 40px 60px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.hero-image img {
    width: 420px;
    max-width: 100%;
    border-radius: 20px;
    box-shadow: 0 12px 35px rgba(0,0,0,0.12);
}

.hero-text {
    margin-left: 60px;
    max-width: 550px;
}

.hero-text h1 {
    font-size: 46px;
    font-weight: 800;
    margin-bottom: 25px;
    color: #1f1f1f;
}

.hero-text p {
    font-size: 20px;
    margin-bottom: 35px;
    color: #555;
}

.cta {
    display: inline-block;
    padding: 16px 34px;
    background: #5a6fe8;
    color: white;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 18px;
    transition: 0.25s;
    box-shadow: 0 6px 18px rgba(90,111,232,0.3);
}

.cta:hover {
    background: #4c5ed0;
    box-shadow: 0 8px 22px rgba(90,111,232,0.4);
}

/* ------------------------------
   SECTIONS PREMIUM
--------------------------------*/
.section {
    padding: 90px 60px;
    background: #ffffff;
    margin: 40px 60px;
    border-radius: 20px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.05);
}

.section h2 {
    font-size: 34px;
    margin-bottom: 35px;
    font-weight: 700;
    color: #1f1f1f;
}

/* ------------------------------
   CARDS PREMIUM
--------------------------------*/
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.card {
    background: #ffffff;
    padding: 35px;
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(0,0,0,0.07);
    transition: 0.3s;
    border: 1px solid #f0f0f0;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}

.card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    font-weight: 700;
}

.card p {
    color: #555;
    margin-bottom: 20px;
}

.card a {
    color: #5a6fe8;
    font-weight: 600;
    text-decoration: none;
}

/* ------------------------------
   QUOTE PREMIUM
--------------------------------*/
.quote {
    background: linear-gradient(135deg, #e8eff7 0%, #f2f6ff 100%);
    padding: 90px 60px;
    text-align: center;
    font-size: 24px;
    font-style: italic;
    color: #333;
    border-radius: 20px;
    margin: 40px 60px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.05);
}

.quote span {
    display: block;
    margin-top: 25px;
    font-size: 20px;
    font-style: normal;
    font-weight: 700;
}

/* ------------------------------
   CONTACT PREMIUM
--------------------------------*/
.contact p {
    font-size: 19px;
    margin-bottom: 12px;
}

/* ------------------------------
   FOOTER PREMIUM
--------------------------------*/
footer {
    background: #1f1f1f;
    color: #ddd;
    padding: 40px;
    text-align: center;
    margin-top: 60px;
    font-size: 15px;
    letter-spacing: 0.3px;
}

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

/* Tablette */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 70px 40px;
    }

    .hero-text {
        margin-left: 0;
        margin-top: 40px;
    }

    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding: 70px 40px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 25px;
    }

    nav {
        margin-top: 10px;
    }

    nav a {
        margin-left: 0;
        margin-right: 15px;
        font-size: 15px;
    }

    .hero {
        padding: 50px 25px;
        margin: 20px;
    }

    .section {
        padding: 50px 25px;
        margin: 20px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .quote {
        padding: 60px 25px;
        margin: 20px;
        font-size: 20px;
    }
}