:root {
  --bg: #0a1d36;
  --bg-soft: #0e2645;
  --card: #112c50;
  --line: #1f3f69;
  --text: #eef3fa;
  --muted: #a9b8cf;
  --accent: #6cb2ff;
  --accent-dark: #123d6b;
  --btn: #1f6fc5;
  --btn-hover: #185aa1;
  --silver: #c3ccd8;
  --light-bg: #f4f7fb;
  --light-text: #0d2240;
  --light-muted: #51607a;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Inter, system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Header */
header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid #dfe5ef; color: var(--light-text); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; letter-spacing: .06em; color: var(--accent-dark); }
.logo img { width: 52px; height: 52px; object-fit: contain; }
.links { display: flex; gap: 28px; font-size: .95rem; color: var(--light-muted); }
.links a:hover { color: var(--accent-dark); }
.links a.active { color: var(--btn); font-weight: 600; }
.btn { display: inline-block; background: var(--btn); color: #fff; font-weight: 700; padding: 12px 22px; border-radius: 10px; transition: background .2s; border: 0; cursor: pointer; font-size: 1rem; font-family: inherit; }
.btn:hover { background: var(--btn-hover); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { background: var(--bg-soft); }
.nav .btn { padding: 9px 18px; font-size: .9rem; }

/* Hero */
.hero { padding: 96px 0 80px; background: radial-gradient(900px 420px at 80% 0%, rgba(108,178,255,.18), transparent 60%), linear-gradient(180deg, #0c2547 0%, var(--bg) 100%); }
.tag { display: inline-block; font-size: .8rem; font-weight: 600; color: var(--silver); border: 1px solid rgba(195,204,216,.35); padding: 5px 12px; border-radius: 99px; margin-bottom: 22px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.12; font-weight: 800; max-width: 820px; }
.hero h1 span { color: var(--accent); }
.hero p { margin-top: 22px; font-size: 1.15rem; color: var(--muted); max-width: 680px; }
.cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; }
.pillars { margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pillar { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; background: var(--bg-soft); font-size: .95rem; color: var(--muted); }
.pillar strong { display: block; color: var(--text); margin-bottom: 4px; }

/* Sections */
section { padding: 88px 0; }
.eyebrow { color: var(--accent); font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.3rem); font-weight: 800; margin: 10px 0 14px; line-height: 1.2; }
.lead { color: var(--muted); max-width: 680px; font-size: 1.05rem; }

.grid { margin-top: 48px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; transition: transform .2s, border-color .2s; display: block; }
.card:hover { transform: translateY(-3px); border-color: rgba(108,178,255,.55); }
.icon { width: 44px; height: 44px; border-radius: 10px; background: rgba(108,178,255,.14); display: grid; place-items: center; margin-bottom: 18px; }
.icon svg { width: 24px; height: 24px; stroke: var(--accent); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.card p { color: var(--muted); font-size: .95rem; }
.more { display: inline-block; margin-top: 14px; color: var(--accent); font-weight: 600; font-size: .92rem; }

/* Light section */
.light { background: var(--light-bg); color: var(--light-text); }
.light .lead, .light .muted { color: var(--light-muted); }
.light .eyebrow { color: var(--accent-dark); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.checks { list-style: none; margin-top: 8px; }
.checks li { padding: 14px 0 14px 36px; border-bottom: 1px solid #dfe5ef; position: relative; }
.checks li::before { content: ""; position: absolute; left: 0; top: 17px; width: 22px; height: 22px; border-radius: 50%; background: var(--btn) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat; }
.checks strong { display: block; }
.checks span { color: var(--light-muted); font-size: .95rem; }

/* Steps */
.steps { margin-top: 48px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { border-top: 2px solid var(--accent); padding-top: 18px; }
.step::before { counter-increment: step; content: "0" counter(step); font-weight: 800; color: var(--accent); font-size: 1.4rem; }
.step h3 { margin: 6px 0; font-size: 1.05rem; }
.step p { color: var(--muted); font-size: .93rem; }

/* Sectors */
.chips { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 10px; }
.chip { border: 1px solid #cfd8e6; border-radius: 99px; padding: 8px 16px; font-size: .95rem; background: #fff; }

/* FAQ */
.faq { margin-top: 40px; display: grid; gap: 12px; max-width: 820px; }
.faq details { background: var(--card); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq summary::marker { color: var(--accent); }
.faq details p { margin-top: 10px; color: var(--muted); }

/* Contact */
.contact-box { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 44px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; }
.info { margin-top: 26px; display: grid; gap: 14px; color: var(--muted); }
.info b { color: var(--text); font-weight: 600; }
form { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { font-size: .85rem; color: var(--muted); display: grid; gap: 6px; }
input, select, textarea { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
textarea { min-height: 120px; resize: vertical; }
.consent { font-size: .8rem; color: var(--muted); }
.consent a { text-decoration: underline; }

/* Article & legal pages */
.article { padding: 72px 0 88px; }
.article .wrap { max-width: 780px; }
.article h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); line-height: 1.18; font-weight: 800; margin: 12px 0 14px; }
.article .meta { color: var(--muted); font-size: .9rem; margin-bottom: 36px; }
.article h2 { font-size: 1.45rem; margin: 40px 0 12px; }
.article h3 { font-size: 1.1rem; margin: 26px 0 8px; }
.article p, .article li { color: #cdd6e8; margin-bottom: 12px; }
.article ul, .article ol { padding-left: 22px; margin-bottom: 14px; }
.article a { color: var(--accent); text-decoration: underline; }
.article strong { color: var(--text); }
.note { background: var(--card); border-left: 3px solid var(--accent); border-radius: 8px; padding: 16px 20px; margin: 24px 0; }
.note p { margin: 0; }
.back { color: var(--muted); font-size: .9rem; }
.back:hover { color: var(--text); }
.article-cta { margin-top: 48px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.article-cta p { margin-bottom: 16px; }
.article-cta a.btn { color: #fff; text-decoration: none; }

/* Configurateur */
.cfg { padding: 56px 0 88px; }
.cfg-grid { margin-top: 36px; display: grid; grid-template-columns: 1fr 380px; gap: 28px; align-items: start; }
.step-box { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 18px; }
.step-box h3 { font-size: 1.05rem; margin-bottom: 4px; }
.step-box .hint { color: var(--muted); font-size: .9rem; margin-bottom: 16px; }
.step-num { color: var(--accent); font-weight: 800; margin-right: 6px; }
.choices { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.choice { position: relative; }
.choice input { position: absolute; opacity: 0; inset: 0; }
.choice span { display: block; height: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; cursor: pointer; background: var(--bg); font-size: .95rem; transition: border-color .15s, background .15s; }
.choice span small { display: block; color: var(--muted); font-size: .82rem; margin-top: 4px; }
.choice input:checked + span { border-color: var(--accent); background: rgba(108,178,255,.1); box-shadow: 0 0 0 1px var(--accent) inset; }
.choice input:focus-visible + span { outline: 2px solid var(--accent); }
.counter-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.counter-row:last-child { border-bottom: 0; }
.counter-row small { display: block; color: var(--muted); font-size: .85rem; }
.counter { display: flex; align-items: center; gap: 10px; }
.counter button { width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font-size: 1.2rem; cursor: pointer; }
.counter button:hover { border-color: var(--accent); }
.counter output { min-width: 28px; text-align: center; font-weight: 700; font-size: 1.1rem; }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 12px 0; border-bottom: 1px solid var(--line); cursor: pointer; }
.opt:last-child { border-bottom: 0; }
.opt input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--btn); flex: none; }
.opt b { display: block; color: var(--text); font-weight: 600; }
.opt small { color: var(--muted); font-size: .85rem; }
.opt .p { margin-left: auto; color: var(--text); font-weight: 600; white-space: nowrap; font-size: .92rem; }
.cam-head, .cam-row { display: grid; grid-template-columns: minmax(0, 1fr) 124px 124px; gap: 10px; align-items: center; }
.cam-head { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .08em; text-align: center; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.cam-row { padding: 12px 0; border-bottom: 1px solid var(--line); }
.cam-row b { display: block; }
.cam-row small { display: block; color: var(--muted); font-size: .85rem; }
.cam-cell { display: flex; justify-content: center; }
.cam-label { display: none; }
.cam-total { margin-top: 12px; color: var(--muted); font-size: .9rem; text-align: right; }
@media (max-width: 1080px) {
  .cam-head { display: none; }
  .cam-row { grid-template-columns: 1fr 1fr; }
  .cam-row > div:first-child { grid-column: 1 / -1; }
  .cam-cell { flex-direction: column; align-items: center; gap: 4px; }
  .cam-label { display: block; color: var(--muted); font-size: .78rem; }
}
@media (max-width: 600px) {
  .cam-head { display: none; }
  .cam-row { grid-template-columns: 1fr 1fr; }
  .cam-row > div:first-child { grid-column: 1 / -1; }
  .cam-cell { flex-direction: column; align-items: center; gap: 4px; }
  .cam-label { display: block; color: var(--muted); font-size: .78rem; }
}
.alarm-panel { margin-top: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-soft); }
.alarm-panel[hidden] { display: none; }
.alarm-panel h4 { font-size: 1rem; margin-bottom: 4px; }
.alarm-panel .choices { margin-bottom: 8px; }
.alarm-group { margin-top: 18px; color: var(--accent); font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.summary { position: sticky; top: 92px; background: var(--card); border: 1px solid var(--accent); border-radius: 18px; padding: 26px; }
.summary h3 { font-size: 1.1rem; margin-bottom: 14px; }
.summary ul { list-style: none; margin-bottom: 18px; }
.summary li { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; font-size: .92rem; color: var(--muted); border-bottom: 1px dashed var(--line); }
.summary li span:last-child { color: var(--text); white-space: nowrap; }
.total { font-size: 2rem; font-weight: 800; line-height: 1.1; }
.total-sub { color: var(--muted); font-size: .9rem; margin: 6px 0 4px; }
.monthly { color: var(--accent); font-weight: 600; font-size: .95rem; margin-bottom: 16px; }
.disclaimer { color: var(--muted); font-size: .8rem; margin-top: 14px; }
.lead-form { display: grid; gap: 12px; margin-top: 16px; }
.lead-form[hidden] { display: none; }
.summary .btn { width: 100%; text-align: center; }
.summary .btn:disabled { opacity: .7; cursor: wait; }
.form-ok { margin-top: 16px; padding: 16px; border-radius: 12px; border: 1px solid var(--accent); background: rgba(108,178,255,.1); }
.form-ok[hidden], .form-error[hidden] { display: none; }
.form-ok b { display: block; margin-bottom: 6px; }
.form-ok p { color: var(--muted); font-size: .92rem; margin: 0; }
.form-error { color: #ff9b9b; font-size: .88rem; margin: 0; }
.form-error a { text-decoration: underline; }
@media (max-width: 900px) { .cfg-grid { grid-template-columns: 1fr; } .summary { position: static; } }

footer { border-top: 1px solid var(--line); padding: 36px 0; color: var(--muted); font-size: .85rem; }
.foot { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.foot nav { display: flex; gap: 18px; flex-wrap: wrap; }
.foot a:hover { color: var(--text); }

@media (max-width: 900px) {
  .grid, .pillars { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .split, .contact-box { grid-template-columns: 1fr; }
  .links { display: none; }
}
@media (max-width: 600px) {
  .grid, .pillars, .steps, .row { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  section { padding: 64px 0; }
  .contact-box { padding: 26px; }
  .nav .btn { padding: 8px 14px; font-size: .85rem; }
  .logo { font-size: 1rem; }
  .logo img { width: 42px; height: 42px; }
}