/* ===== BELTA-ELEC — thème noir / or / argent ===== */
:root {
    --black: #0b0b0c;
    --black-2: #141416;
    --black-3: #1c1c1f;
    --line: #2a2a2e;
    --gold: #f5b021;
    --gold-2: #ffcf4a;
    --gold-dark: #c98a0c;
    --silver: #d6d8dc;
    --silver-dark: #9a9ca2;
    --text: #e9e9eb;
    --muted: #a3a3aa;
    --radius: 14px;
    --grad-gold: linear-gradient(135deg, var(--gold-2), var(--gold) 45%, var(--gold-dark));
    --grad-silver: linear-gradient(135deg, #ffffff, var(--silver) 50%, var(--silver-dark));
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: 'Montserrat', system-ui, sans-serif;
    background: var(--black);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1160px, 100% - 32px); margin-inline: auto; }

.icon { width: 1.25em; height: 1.25em; flex-shrink: 0; }

/* ----- Typo ----- */
h1, h2, .brand-name { font-family: 'Orbitron', sans-serif; letter-spacing: .02em; line-height: 1.15; }
h1 { font-size: clamp(2rem, 4.6vw, 3.4rem); margin-bottom: 18px; }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }
.eyebrow {
    text-transform: uppercase; letter-spacing: .25em; font-size: .78rem;
    color: var(--gold); font-weight: 600; margin-bottom: 12px;
}
.brand-name {
    font-weight: 900;
    background: linear-gradient(90deg, var(--gold-2), var(--gold) 50%, var(--silver) 50%, #fff);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ----- Boutons ----- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 13px 26px; border-radius: 999px; font-weight: 700; font-size: .95rem;
    border: 2px solid transparent; cursor: pointer; transition: transform .15s, box-shadow .2s, background .2s;
    font-family: inherit;
}
.btn:hover { transform: translateY(-2px); }
.btn-gold { background: var(--grad-gold); color: #111; box-shadow: 0 6px 24px rgba(245, 176, 33, .25); }
.btn-gold:hover { box-shadow: 0 10px 30px rgba(245, 176, 33, .4); }
.btn-outline { border-color: var(--silver-dark); color: var(--silver); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-sm { padding: 9px 18px; font-size: .88rem; }
.btn-block { width: 100%; }

/* ----- Header ----- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(11, 11, 12, .88); backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { border-radius: 6px; }
.brand .brand-name { font-size: 1.25rem; }
.nav-links { display: flex; align-items: center; gap: 28px; font-weight: 500; }
.nav-links > a:not(.btn) { color: var(--silver); position: relative; }
.nav-links > a:not(.btn)::after {
    content: ''; position: absolute; left: 0; bottom: -4px; height: 2px; width: 0;
    background: var(--gold); transition: width .25s;
}
.nav-links > a:not(.btn):hover::after { width: 100%; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--gold); margin: 5px 0; }

/* ----- Hero ----- */
.hero {
    position: relative; overflow: hidden; padding: 80px 0 90px;
    background: radial-gradient(ellipse at 80% 30%, rgba(245, 176, 33, .12), transparent 55%), var(--black);
}
.hero-stripes::before, .hero-stripes::after {
    content: ''; position: absolute; width: 260px; height: 26px;
    background: var(--grad-gold); transform: rotate(-45deg); opacity: .85;
}
.hero-stripes::before { top: 40px; left: -70px; }
.hero-stripes::after { bottom: 50px; right: -80px; background: var(--grad-silver); opacity: .5; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 540px; margin-bottom: 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.tagline-line {
    display: flex; align-items: center; gap: 14px; margin-top: 34px;
    text-transform: uppercase; letter-spacing: .3em; font-size: .78rem; color: var(--silver);
}
.tagline-line span { flex: 1; max-width: 70px; height: 2px; background: var(--gold); }
.hero-visual img {
    border-radius: var(--radius); border: 1px solid var(--line);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .6), 0 0 0 1px rgba(245, 176, 33, .15);
}

/* ----- Valeurs ----- */
.values-bar { background: var(--black-2); border-block: 1px solid var(--line); }
.values {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 18px;
    padding: 20px 0; text-transform: uppercase; letter-spacing: .25em; font-size: .85rem; color: var(--silver);
}
.values .slashes { color: var(--gold); font-weight: 900; letter-spacing: -.05em; font-size: 1.2rem; font-style: italic; }
.values .sep { color: var(--gold); }

/* ----- Sections ----- */
.section { padding: 90px 0; }
.section-alt { background: var(--black-2); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 50px; }

.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.service-card {
    background: linear-gradient(180deg, var(--black-3), var(--black-2));
    border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 22px;
    transition: border-color .25s, transform .25s;
}
.service-card:hover { border-color: var(--gold); transform: translateY(-4px); }
.service-card p { color: var(--muted); font-size: .95rem; }
.service-icon {
    width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
    background: var(--grad-gold); color: #111; margin-bottom: 18px;
}
.service-icon .icon { width: 26px; height: 26px; }

.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; }
.about-text { color: var(--muted); font-size: 1.05rem; }
.about-list { list-style: none; display: grid; gap: 14px; }
.about-list li {
    display: flex; align-items: center; gap: 14px; padding: 16px 20px;
    background: var(--black); border: 1px solid var(--line); border-left: 3px solid var(--gold);
    border-radius: 10px; font-weight: 600;
}
.about-list .icon { color: var(--gold); }

/* ----- Contact ----- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 50px; align-items: start; }
.contact-info > p { color: var(--muted); }
.contact-list { list-style: none; margin-top: 28px; display: grid; gap: 18px; }
.contact-list li { display: flex; align-items: center; gap: 16px; font-size: 1.08rem; }
.contact-list a:hover { color: var(--gold); }
.ci {
    width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
    background: var(--grad-gold); color: #111;
}

.contact-form, .card {
    background: var(--black-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
    display: grid; gap: 18px;
}
label { display: grid; gap: 6px; font-size: .88rem; font-weight: 600; color: var(--silver); }
input, select, textarea {
    width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line);
    background: var(--black); color: var(--text); font: inherit; font-weight: 400;
    transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(245, 176, 33, .18); }
textarea { resize: vertical; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label.check { display: flex; align-items: flex-start; gap: 10px; font-weight: 400; color: var(--muted); }
label.check input { width: auto; margin-top: 4px; accent-color: var(--gold); }
.hp { position: absolute; left: -9999px; }

.alert { padding: 14px 16px; border-radius: 10px; font-size: .95rem; }
.alert-success { background: rgba(46, 160, 67, .12); border: 1px solid #2ea043; color: #7ee28f; }
.alert-error { background: rgba(218, 54, 51, .12); border: 1px solid #da3633; color: #ff9b97; }

/* ----- Footer ----- */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0; background: var(--black); }
.footer-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-grid p { color: var(--muted); font-size: .9rem; }
.footer-meta { text-align: right; }
.admin-link { font-size: .8rem; color: var(--silver-dark); }
.admin-link:hover { color: var(--gold); }

/* ----- Responsive ----- */
@media (max-width: 900px) {
    .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .hero { padding-top: 50px; }
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; gap: 18px;
        padding: 24px; background: var(--black-2); border-bottom: 1px solid var(--line);
        display: none;
    }
    .nav-links.open { display: flex; }
}
@media (max-width: 560px) {
    .row { grid-template-columns: 1fr; }
    .contact-form, .card { padding: 22px; }
    .values { letter-spacing: .15em; font-size: .75rem; gap: 10px; }
    .footer-meta { text-align: left; }
}

/* ===================== ADMIN ===================== */
.admin-body { min-height: 100vh; }
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-box { width: min(400px, 100%); }
.login-box .logo { margin: 0 auto 6px; border-radius: 10px; }
.login-box h1 { font-size: 1.4rem; text-align: center; margin-bottom: 0; }

.admin-header { background: var(--black-2); border-bottom: 1px solid var(--line); }
.admin-header .nav { height: 64px; }
.admin-header .nav-links { gap: 18px; font-size: .92rem; }
.admin-tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 28px 0 22px; }
.admin-tabs a {
    padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); color: var(--silver);
    font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: 8px;
}
.admin-tabs a.active, .admin-tabs a:hover { background: var(--grad-gold); color: #111; border-color: transparent; }
.badge { background: #da3633; color: #fff; border-radius: 999px; padding: 0 8px; font-size: .75rem; }
.admin-main { padding-bottom: 60px; }
.admin-main h2 { font-size: 1.3rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hint { font-size: .8rem; color: var(--muted); font-weight: 400; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--gold); font-weight: 600; text-transform: uppercase; font-size: .75rem; letter-spacing: .1em; }
tr.unread td { background: rgba(245, 176, 33, .06); }
tr.unread td:first-child { border-left: 3px solid var(--gold); }
.msg-body { white-space: pre-wrap; color: var(--muted); margin-top: 6px; max-width: 520px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-xs { padding: 6px 12px; font-size: .8rem; }
.btn-danger { background: transparent; border-color: #da3633; color: #ff9b97; }
.btn-danger:hover { background: #da3633; color: #fff; }
.service-row {
    display: grid; grid-template-columns: 70px 1fr 1.6fr 160px auto; gap: 12px; align-items: end;
    padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--black);
}
.service-row .preview { width: 46px; height: 46px; margin-bottom: 2px; }
.inline-check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.inline-check input { width: auto; accent-color: var(--gold); }
.empty { color: var(--muted); padding: 20px 0; }
@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
    .service-row { grid-template-columns: 1fr; }
}