:root {
    --bg: #0b1220;
    --panel: #111a2e;
    --panel2: #17233c;
    --text: #f3f7ff;
    --muted: #aab7cf;
    --accent: #38bdf8;
    --accent2: #22c55e;
    --border: rgba(255, 255, 255, .12);
    --shadow: 0 24px 80px rgba(0, 0, 0, .35)
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: radial-gradient(circle at top left, #17345d 0, #0b1220 38%, #070b14 100%);
    color: var(--text);
    line-height: 1.55
}

a {
    color: inherit
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px clamp(18px, 4vw, 64px);
    background: rgba(7, 11, 20, .82);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border)
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none
}

.brand img {
    width: 54px;
    height: 54px;
    object-fit: contain;
    background: #fff;
    border-radius: 14px;
    padding: 6px
}

.brand strong {
    display: block;
    font-size: 1.25rem
}

.brand small {
    color: var(--muted)
}

.nav {
    display: flex;
    gap: 18px
}

.nav a {
    text-decoration: none;
    color: var(--muted);
    font-weight: 700
}

.nav a:hover {
    color: var(--text)
}

main {
    padding: 0 clamp(18px, 4vw, 64px)
}

.hero {
    min-height: 72vh;
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
    padding: 64px 0
}

.eyebrow,
.tag {
    color: var(--accent);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-size: .78rem
}

.hero h1 {
    font-size: clamp(2.4rem, 6vw, 5.4rem);
    line-height: .96;
    margin: 12px 0
}

.lead {
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 760px
}

.heroActions,
.contactButtons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 26px
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 13px 19px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer
}

.btn.primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #06111f;
    border: 0
}

.btn.secondary {
    background: rgba(255, 255, 255, .06);
    color: var(--text)
}

.heroCard,
.contactPanel,
.mapPanel,
.trust>div {
    background: linear-gradient(180deg, rgba(255, 255, 255, .08), rgba(255, 255, 255, .04));
    border: 1px solid var(--border);
    border-radius: 28px;
    padding: 28px;
    box-shadow: var(--shadow)
}

.signal {
    height: 180px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(56, 189, 248, .8), rgba(34, 197, 94, .35)), ('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 600 300"><g fill="none" stroke="white" stroke-width="10" opacity=".7"><path d="M80 220 C180 90 420 90 520 220"/><path d="M150 220 C220 140 380 140 450 220"/><path d="M235 220 C270 180 330 180 365 220"/></g><circle cx="300" cy="235" r="18" fill="white"/></svg>') center/cover
}

.heroCard p,
.heroCard li,
.door p,
.trust p,
.footer,
.formHelp {
    color: var(--muted)
}

.doors {
    display: grid;
    gap: 28px
}

.door {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    overflow: hidden;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 32px;
    box-shadow: var(--shadow)
}

.doorImage {
    min-height: 330px;
    background-size: cover;
    background-position: center
}

.privateImg {
    background-image: linear-gradient(135deg, rgba(56, 189, 248, .35), rgba(11, 18, 32, .55)), url('../images/particulier.png')
}

.proImg {
    background-image: linear-gradient(135deg, rgba(34, 197, 94, .3), rgba(11, 18, 32, .55)), url('../images/pro.png')
}

.doorContent {
    padding: 34px
}

.door h2,
.contact h2 {
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.08;
    margin: 8px 0 14px
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 22px 0
}

.chips span {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    color: #dce8fb
}

.trust {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin: 34px 0
}

.trust a {
    color: var(--accent)
}

.contact {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 24px;
    padding: 34px 0 58px
}

.contactForm {
    display: grid;
    gap: 14px;
    margin-top: 24px
}

.contactForm label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-weight: 700
}

.contactForm select,
.contactForm textarea {
    width: 100%;
    border: 1px solid var(--border);
    background: #07101f;
    color: var(--text);
    border-radius: 16px;
    padding: 13px;
    font: inherit
}

.mapPanel iframe {
    width: 100%;
    height: 340px;
    border: 0;
    border-radius: 22px;
    filter: grayscale(20%) invert(88%) contrast(90%)
}

.footer {
    padding: 26px clamp(18px, 4vw, 64px);
    border-top: 1px solid var(--border);
    background: #070b14;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center
}

.footer p {
    margin: 4px 0
}

@media (max-width:850px) {
    .topbar {
        align-items: flex-start;
        flex-direction: column
    }

    .nav {
        width: 100%;
        overflow: auto
    }

    .hero,
    .door,
    .contact,
    .trust {
        grid-template-columns: 1fr
    }

    .hero {
        min-height: auto;
        padding: 38px 0
    }

    .door:nth-child(2) .doorImage {
        order: 0
    }

    .doorContent {
        padding: 24px
    }

    .doorImage {
        min-height: 240px
    }

    .btn {
        width: 100%
    }
}