/* ============================================================================
   BIS — Business Intelligence Signals · bisfrance.com
   House style: navy + gold + cream. Slick, somber, classy. Static, no JS deps.
   ============================================================================ */
:root {
  --navy:   #0d1b35;
  --navy-2: #12244a;
  --gold:   #c9a84c;
  --gold-d: #8a6d1c;
  --cream:  #fbf8f3;
  --paper:  #ffffff;
  --ink:    #1a1a1a;
  --muted:  #5b6472;
  --border: #e8e2d6;
  --maxw:   1080px;
  --serif:  "Playfair Display", Georgia, serif;
  --sans:   "DM Sans", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--cream); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 400; color: var(--navy); line-height: 1.2; }
a { color: var(--gold-d); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ── Logo (inline SVG uses currentColor for the wordmark) ─────────────────── */
.bis-logo { height: 40px; width: auto; display: block; }
.bis-logo--lg { height: 132px; }
.logo-light { color: #fff; }
.logo-dark  { color: var(--navy); }

/* ── Header / nav ─────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(13,27,53,.96); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav__row { display: flex; align-items: center; gap: 24px; height: 68px; }
.nav__brand { display: flex; align-items: center; gap: 12px; }
.nav__links { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.nav__links a { color: rgba(255,255,255,.72); font-size: 14.5px; letter-spacing: .01em; }
.nav__links a:hover { color: #fff; text-decoration: none; }
.btn {
  display: inline-block; background: var(--gold); color: var(--navy);
  padding: 10px 20px; border-radius: 4px; font-weight: 700; font-size: 14px;
  letter-spacing: .02em; border: 1px solid var(--gold);
}
.btn:hover { background: #d8ba62; text-decoration: none; }
.btn--ghost { background: transparent; color: var(--navy); border-color: var(--border); }
.dropdown { position: relative; }
.dropdown > a::after { content: " ▾"; color: var(--gold-d); }
.dropdown__menu {
  position: absolute; top: 130%; left: 0; min-width: 230px;
  background: var(--paper); border: 1px solid var(--border); border-radius: 6px;
  box-shadow: 0 8px 24px rgba(13,27,53,.12); padding: 6px; display: none;
}
.dropdown:hover .dropdown__menu { display: block; }
.dropdown__menu a { display: block; padding: 9px 12px; border-radius: 4px; color: var(--navy); font-size: 14px; }
.dropdown__menu a:hover { background: var(--cream); text-decoration: none; }
.dropdown__menu .tag { float: right; font-size: 11px; color: var(--muted); }

/* ── Hero (full-bleed image with left overlay panel) ───────────────────────── */
.hero { position: relative; border-bottom: 3px solid var(--gold); padding: 0; overflow: hidden; }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center right; z-index: 0; }
.hero__overlay {
  position: relative; z-index: 2; min-height: 560px;
  display: flex; align-items: center; justify-content: space-between; gap: clamp(20px, 3vw, 44px);
  padding: 48px clamp(20px, 5vw, 64px);
  /* right-only scrim — the centered BiS mark in the image stays clear */
  background: linear-gradient(90deg, rgba(10,23,48,0) 0%, rgba(10,23,48,0) 38%, rgba(10,23,48,.42) 58%, rgba(10,23,48,.86) 100%);
}
.hero__message { flex: 0 1 470px; max-width: 470px; }
.hero__title {
  font-family: var(--serif); font-weight: 800; color: #fff;
  font-size: clamp(23px, 2.9vw, 38px); line-height: 1.16; margin: 0;
  text-shadow: 0 2px 18px rgba(0,0,0,.6);
}
.hero__title em { color: var(--gold); font-style: italic; }
.hero__sub {
  color: rgba(255,255,255,.9); font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.55; margin: 18px 0 0; text-shadow: 0 1px 12px rgba(0,0,0,.55);
}
.hero__sub strong { color: #fff; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero__actions .btn--ghost-light {
  background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.5);
}
.hero__actions .btn--ghost-light:hover { background: rgba(255,255,255,.12); }
.region-links { display: flex; flex-direction: column; gap: 10px; margin-top: 28px; width: 100%; }
.region-btn {
  display: block; padding: 15px 22px;
  font-size: 15px; font-weight: 700; font-family: var(--sans); letter-spacing: .02em;
  border-radius: 4px; text-decoration: none;
  transition: opacity .15s, transform .12s;
}
.region-btn:hover { text-decoration: none; opacity: .85; transform: translateX(4px); }
/* solid backgrounds + navy text — deterministic WCAG-AA contrast over the hero image */
.region-btn--actif  { background: var(--gold); color: var(--navy); }
.region-btn--pilote { background: #ddc88c; color: var(--navy); }
.region-btn--bientot { background: #e9ddc0; color: #5a4f33; pointer-events: none; cursor: default; }
/* left brand column: logo + tagline + vertical region buttons */
.hero__brand { flex: 0 0 auto; max-width: 300px; align-self: flex-start;
  display: flex; flex-direction: column; align-items: flex-start; }
.hero__logo { height: clamp(88px, 11vw, 116px); width: auto; }
.hero__tag {
  margin: 14px 0 0; color: #fff; font-family: var(--serif);
  font-size: clamp(14px, 1.4vw, 17px); font-style: italic; line-height: 1.35;
  max-width: 280px; text-shadow: 0 1px 10px rgba(0,0,0,.5);
}
.region-links--hero { width: 100%; max-width: 240px; margin-top: 22px; gap: 10px; }
@media (max-width: 860px) {
  /* the baked wordmark can't survive a cover-crop on portrait, so show the
     full image as a banner and let the message flow below it on navy */
  .hero { background: var(--navy); }
  .hero__bg { position: static; width: 100%; height: auto; object-fit: contain; }
  .hero__overlay { position: static; flex-direction: column; align-items: flex-start; justify-content: flex-start;
    min-height: 0; padding: 34px clamp(20px, 5vw, 40px); gap: 26px; background: var(--navy); }
  .hero__message { flex: 1 1 auto; max-width: 100%; order: -1; }
  .hero__brand { max-width: 100%; }
  .region-links--hero { max-width: 100%; }
}
@media (max-width: 680px) {
  .region-btn { font-size: 13px; padding: 12px 16px; }
}
/* iPhone-class portrait (≤430px, e.g. iPhone 17) — center the message under the banner */
@media (max-width: 430px) {
  .hero__overlay { padding: 28px 20px 34px; gap: 22px; align-items: center; text-align: center; }
  .hero__brand { align-items: center; max-width: 100%; }
  .hero__tag { max-width: 100%; }
  .hero__message { text-align: center; }
  .hero__title { font-size: 25px; }
  .hero__actions { justify-content: center; }
  .region-links--hero { max-width: 320px; margin-left: auto; margin-right: auto; }
}

/* ── Search zone (dark navy continuation below the hero image) ─────────────── */
.search-zone {
  background: linear-gradient(180deg, #0a1730 0%, var(--navy) 100%);
  color: #fff; padding: 36px 0 48px;
  border-bottom: 3px solid var(--gold);
}
.search-label { color: #c7d0e0; font-size: 15px; margin: 0 0 12px; }
.search-row { display: flex; gap: 10px; max-width: 580px; }
.search-input {
  flex: 1; padding: 11px 16px;
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.06);
  color: #fff; border-radius: 4px; font-size: 15px; font-family: var(--sans);
}
.search-input::placeholder { color: rgba(255,255,255,.4); }
.search-input:focus { outline: none; border-color: var(--gold); background: rgba(255,255,255,.09); }
.search-hint { color: rgba(199,208,224,.7); font-size: 12.5px; margin: 10px 0 0; max-width: 580px; }
.hero__cta { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

/* region chips */
.chips { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }
.chip {
  font-size: 13px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.22); color: #e8edf6; background: rgba(255,255,255,.04);
  display: inline-flex; align-items: center; gap: 8px;
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
a.chip { transition: background .15s, border-color .15s; }
a.chip:hover { text-decoration: none; background: rgba(201,168,76,.18); border-color: rgba(201,168,76,.6); }
.chip--actif   { border-color: rgba(201,168,76,.5); color: #fff; background: rgba(201,168,76,.12); }
.chip--actif   .dot { background: var(--gold); }
.chip--pilote  .dot { background: #6fae7a; }
.chip--bientot { opacity: .7; }
.chip--bientot .dot { background: #8893a6; }

/* ── Sections ─────────────────────────────────────────────────────────────── */
section { padding: 64px 0; }
section.alt { background: var(--paper); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.kicker { color: var(--gold-d); font-size: 12.5px; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; }
.section-head { max-width: 720px; }
.section-head h2 { font-size: clamp(24px, 3vw, 32px); margin: 10px 0 0; }
.section-head p { color: var(--muted); margin: 12px 0 0; font-size: 17px; }

/* proof strip */
.proof { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 30px; }
.proof span { font-size: 14px; color: var(--muted); }
.proof b { color: var(--navy); font-family: var(--serif); }

/* ── Funnel motif (socle → univers → signaux) ─────────────────────────────── */
.funnel { display: grid; gap: 14px; max-width: 720px; margin: 34px auto 0; }
.layer {
  border: 1px solid var(--border); border-left: 4px solid var(--gold);
  background: var(--cream); padding: 16px 20px; border-radius: 6px;
}
.layer .l-k { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--gold-d); font-weight: 700; }
.layer h3 { font-size: 18px; margin: 4px 0 4px; }
.layer p { margin: 0; color: var(--muted); font-size: 15px; }
.layer--socle  { margin: 0 40px; }
.layer--univ   { margin: 0 20px; }
.layer--signal { margin: 0; border-left-color: var(--navy); }

/* ── Cards ────────────────────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.card { background: var(--paper); border: 1px solid var(--border); border-radius: 8px; padding: 22px; box-shadow: 0 1px 3px rgba(13,27,53,.04); }
.card h3 { font-size: 19px; margin: 6px 0 8px; }
.card p { color: var(--muted); font-size: 15px; margin: 0 0 14px; }
.card a { font-weight: 700; }

/* definitions */
.defs { display: grid; gap: 0; margin-top: 24px; border-top: 1px solid var(--border); }
.def { padding: 18px 0; border-bottom: 1px solid var(--border); display: grid; grid-template-columns: 220px 1fr; gap: 20px; }
.def dt { font-family: var(--serif); color: var(--navy); font-size: 18px; }
.def dd { margin: 0; color: var(--muted); }
.def .why { display: block; margin-top: 6px; font-size: 13.5px; color: var(--gold-d); }

/* products / agents */
.tier { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; }
.tier--bedrock  { background: #eef1f7; color: var(--navy); }
.tier--universe { background: #f4eed9; color: var(--gold-d); }
.tier--signal   { background: var(--navy); color: #fff; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: var(--navy); color: #e8edf6; padding: 14px 16px; border-radius: 6px; overflow:auto; white-space: pre-wrap; }

/* ── Agent / MCP band (dark, echoes the hero — the BIS-vs-Corse differentiator) */
.band-dark {
  color: #fff; border-top: 3px solid var(--gold);
  background:
    radial-gradient(60% 100% at 50% 0%, rgba(201,168,76,.14), transparent 60%),
    linear-gradient(180deg, #0a1730 0%, var(--navy) 100%);
}
.band-dark h2 { color: #fff; }
.band-dark .section-head p { color: #c7d0e0; }
.band-dark .kicker { color: var(--gold); }
.status-badge {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px;
  letter-spacing: .06em; text-transform: uppercase; color: var(--gold);
  border: 1px solid rgba(201,168,76,.45); border-radius: 999px; padding: 6px 13px;
}
.status-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); animation: pulse 2s infinite; }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(201,168,76,.5); }
  70%  { box-shadow: 0 0 0 8px rgba(201,168,76,0); }
  100% { box-shadow: 0 0 0 0 rgba(201,168,76,0); }
}
.tools { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 26px; }
.tool { border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.03); border-radius: 8px; padding: 14px 16px; }
.tool code { color: var(--gold); font-family: ui-monospace, Menlo, monospace; font-size: 13.5px; }
.tool p { margin: 6px 0 0; color: #c7d0e0; font-size: 13.5px; }
.code--light { background: #0a1430; border: 1px solid rgba(255,255,255,.12); }
@media (max-width: 860px) { .tools { grid-template-columns: 1fr; } }

/* ── Before / after (gain de temps) ──────────────────────────────────────── */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 38px; }
.ba-col {
  border: 1px solid rgba(255,255,255,.14); border-radius: 10px;
  background: rgba(255,255,255,.03); padding: 24px 24px 20px;
}
.ba-col--after { border-color: rgba(201,168,76,.55); background: rgba(201,168,76,.08); }
.ba-head {
  font-family: var(--sans); font-weight: 700; font-size: 13px;
  letter-spacing: .14em; text-transform: uppercase; color: #c7d0e0;
  padding-bottom: 14px; margin-bottom: 14px; border-bottom: 1px solid rgba(255,255,255,.12);
}
.ba-col--after .ba-head { color: var(--gold); border-bottom-color: rgba(201,168,76,.3); }
.ba-list { list-style: none; padding: 0; margin: 0; }
.ba-list li { padding: 9px 0 9px 26px; position: relative; font-size: 14.5px; color: #c7d0e0; line-height: 1.4; }
.ba-list li::before { content: "✕"; position: absolute; left: 0; color: #8893a8; font-weight: 700; }
.ba-col--after .ba-list li::before { content: "✓"; color: var(--gold); }
.ba-cost {
  margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(255,255,255,.12);
  font-size: 13px; font-weight: 700; color: #8893a8; letter-spacing: .02em;
}
.ba-cost--good { color: var(--gold); }
@media (max-width: 680px) { .ba-grid { grid-template-columns: 1fr; } }

/* ── Donut charts + ROI (gain de temps) ──────────────────────────────────── */
.donut-col { text-align: center; padding: 8px 12px; }
.donut { width: 190px; height: 190px; max-width: 70%; margin: 0 auto; display: block; }
.donut-track { fill: none; stroke: rgba(255,255,255,.10); stroke-width: 13; }
.donut-val { fill: none; stroke-width: 13; stroke-linecap: round; }
.donut-val--loss { stroke: #d4674a; }
.donut-val--gain { stroke: var(--gold); }
.donut-num { fill: #fff; font-family: var(--serif); font-size: 28px; font-weight: 700; }
.donut-sub { fill: #9aa6bd; font-family: var(--sans); font-size: 10.5px; letter-spacing: .14em; }
.donut-head { margin-top: 16px; font-family: var(--sans); font-weight: 700; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.donut-head--loss { color: #e0846a; }
.donut-head--gain { color: var(--gold); }
.donut-desc { color: #c7d0e0; font-size: 14.5px; line-height: 1.55; margin: 10px auto 0; max-width: 330px; }
.donut-desc strong { color: #fff; }
.roi-banner {
  margin-top: 40px; border: 1px solid rgba(201,168,76,.42);
  background: rgba(201,168,76,.08); border-radius: 14px; padding: 28px 30px; text-align: center;
}
.roi-kicker {
  color: var(--gold); font-weight: 700; font-size: 12.5px;
  letter-spacing: .16em; text-transform: uppercase; margin-bottom: 22px;
}
.roi-figs { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px 48px; }
.roi-fig { min-width: 160px; }
.roi-fig .n { display: block; font-family: var(--serif); font-size: clamp(26px, 4vw, 38px); font-weight: 700; color: var(--gold); line-height: 1; }
.roi-fig .l { display: block; color: #c7d0e0; font-size: 12.5px; line-height: 1.4; margin-top: 8px; }
.roi-line { color: #eef1f6; font-size: 16px; line-height: 1.6; margin: 24px auto 0; max-width: 680px; }
.roi-line strong { color: #fff; }
@media (max-width: 680px) { .roi-figs { gap: 22px; } }

/* ── Diverging time bar (gain de temps) ──────────────────────────────────── */
.tbar { display: flex; align-items: stretch; margin-top: 40px; min-height: 76px; }
.tbar-half { flex: 1; display: flex; align-items: center; }
.tbar-half--loss { justify-content: flex-end; }
.tbar-half--gain { justify-content: flex-start; }
.tbar-axis { width: 2px; background: rgba(255,255,255,.32); align-self: stretch; }
.tbar-fill { min-height: 76px; display: flex; flex-direction: column; justify-content: center; gap: 3px; box-shadow: 0 8px 24px rgba(0,0,0,.28); }
.tbar-fill--loss {
  width: 90%; align-items: flex-start; text-align: left; padding: 12px 22px;
  background: linear-gradient(90deg, #d4674a 0%, rgba(212,103,74,.5) 100%);
  border-radius: 8px 0 0 8px;
}
.tbar-fill--gain {
  width: 86%; align-items: flex-end; text-align: right; padding: 12px 22px;
  background: linear-gradient(90deg, rgba(201,168,76,.5) 0%, var(--gold) 100%);
  border-radius: 0 8px 8px 0;
}
.tbar-label { font-family: var(--sans); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; line-height: 1.2; }
.tbar-val { font-family: var(--serif); font-weight: 700; font-size: 30px; letter-spacing: .5px; line-height: 1; }
.tbar-fill--loss .tbar-label { color: rgba(255,255,255,.92); }
.tbar-fill--loss .tbar-val { color: #fff; }
.tbar-fill--gain .tbar-label { color: rgba(20,33,61,.82); }
.tbar-fill--gain .tbar-val { color: #14213d; }
.tbar-caption { text-align: center; color: #9aa6bd; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; margin-top: 12px; }
.tbar-legend { margin-top: 16px; }
@media (max-width: 560px) {
  .tbar-fill { min-height: 66px; padding: 10px 14px; }
  .tbar-label { font-size: 9.5px; letter-spacing: .06em; }
  .tbar-val { font-size: 23px; }
}

/* ── Email preview (#preview) ────────────────────────────────────────────── */
.preview-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.preview-text ul { list-style: none; padding: 0; margin: 16px 0 0; }
.preview-text li { padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 15px; color: var(--muted); }
.preview-text li::before { content: "✓ "; color: var(--gold-d); font-weight: 700; }
.preview-text li:last-child { border-bottom: none; }
.email-mockup { border-radius: 10px; overflow: hidden; box-shadow: 0 20px 60px rgba(13,27,53,.18); border: 1px solid var(--border); }
.em-topbar { background: #1e2d45; padding: 10px 14px; display: flex; align-items: center; gap: 6px; }
.em-dot { width: 11px; height: 11px; border-radius: 50%; }
.em-stats { display: flex; background: #f5f6f8; border-top: 1px solid var(--border); }
.em-stat { flex: 1; text-align: center; padding: 12px 8px; border-right: 1px solid var(--border); }
.em-stat:last-child { border-right: none; }
.em-stat .n { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--navy); }
.em-stat .l { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.em-urgent { padding: 8px 16px 4px; font-size: 10px; font-weight: 800; color: #fff; background: #dc2626; letter-spacing: .5px; }
.em-row { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
.em-row .er-new { display: inline-block; background: #e85d26; color: #fff; font-size: 9px; font-weight: 800; letter-spacing: .5px; padding: 2px 6px; border-radius: 3px; margin-right: 6px; }
.em-row .er-title { color: var(--navy); font-weight: 600; }
.em-row .er-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.em-row .er-deadline { float: right; font-size: 12px; font-weight: 700; color: #dc2626; }
@media (max-width: 860px) { .preview-wrap { grid-template-columns: 1fr; } }

/* ── Pricing (#pricing) ───────────────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 34px auto 0; max-width: 760px; }
.pc { background: var(--paper); border: 1px solid var(--border); border-radius: 8px; padding: 28px; position: relative; }
.pc--featured { border-color: var(--gold); box-shadow: 0 4px 24px rgba(201,168,76,.15); }
.pc-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--gold); color: var(--navy); font-size: 11px; font-weight: 700; letter-spacing: .08em; padding: 4px 14px; border-radius: 999px; white-space: nowrap; }
.pc-name { font-family: var(--serif); font-size: 20px; color: var(--navy); margin-bottom: 6px; }
.pc-desc { color: var(--muted); font-size: 14px; margin-bottom: 18px; }
.pc-price { display: flex; align-items: baseline; gap: 4px; margin-bottom: 4px; }
.pc-price-cur { font-size: 22px; color: var(--navy); }
.pc-price-amt { font-family: var(--serif); font-size: 48px; color: var(--navy); line-height: 1; }
.pc-price-per { color: var(--muted); font-size: 14px; }
.pc-price-alt { font-size: 13px; color: var(--muted); margin-bottom: 18px; }
.pc-features { list-style: none; padding: 0; margin: 18px 0 22px; }
.pc-features li { padding: 7px 0; border-bottom: 1px solid var(--border); font-size: 14.5px; color: var(--ink); }
.pc-features li::before { content: "✓ "; color: var(--gold-d); font-weight: 700; }
.pc-features li:last-child { border-bottom: none; }
.pc-cta { display: block; text-align: center; background: var(--navy); color: #fff; padding: 13px 20px; border-radius: 4px; font-weight: 700; font-size: 14px; letter-spacing: .02em; }
.pc--featured .pc-cta { background: var(--gold); color: var(--navy); }
.pc-cta:hover { opacity: .88; text-decoration: none; }
.pc-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 10px; }
.pricing-note { background: var(--paper); border: 1px solid var(--border); border-radius: 8px; padding: 22px; margin: 20px auto 0; max-width: 760px; }
.pricing-note h4 { font-family: var(--serif); color: var(--navy); font-size: 17px; margin-bottom: 10px; }
.pricing-note p, .pricing-note li { color: var(--muted); font-size: 14px; margin-bottom: 6px; }
.pricing-note ul { padding-left: 18px; }
@media (max-width: 860px) { .pricing-grid { grid-template-columns: 1fr; max-width: 400px; } }

/* ── FAQ (#faq) ──────────────────────────────────────────────────────────── */
.faq-grid { margin-top: 34px; border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { width: 100%; background: none; border: none; text-align: left; padding: 18px 0; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-family: var(--sans); font-size: 16px; color: var(--navy); font-weight: 500; gap: 16px; }
.faq-q:hover { color: var(--gold-d); }
.faq-icon { flex-shrink: 0; font-size: 20px; color: var(--gold-d); transition: transform .2s; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 0 18px; color: var(--muted); font-size: 15px; line-height: 1.65; max-width: 700px; }
.faq-item.open .faq-a { display: block; }

/* ── Signup form (#signup) ────────────────────────────────────────────────── */
.signup-wrap { max-width: 620px; margin: 0 auto; text-align: center; }
.signup-form { text-align: left; }
.signup-form { margin-top: 28px; display: grid; gap: 14px; }
.sf-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sf-label { display: block; font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 5px; }
.sf-input, .sf-select, .sf-textarea { width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: 4px; font-family: var(--sans); font-size: 15px; color: var(--ink); background: var(--paper); }
.sf-input:focus, .sf-select:focus, .sf-textarea:focus { outline: none; border-color: var(--gold); }
.sf-textarea { resize: vertical; min-height: 90px; }
.sf-submit { background: var(--gold); color: var(--navy); font-weight: 700; font-size: 15px; padding: 13px 28px; border: none; border-radius: 4px; cursor: pointer; font-family: var(--sans); letter-spacing: .02em; }
.sf-submit:hover { background: #d8ba62; }
.sf-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
@media (max-width: 580px) { .sf-row { grid-template-columns: 1fr; } }

/* ── Source cards (#sources) ──────────────────────────────────────────────── */
.sc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 34px; }
.sc-card {
  background: var(--paper); border: 1px solid var(--border);
  border-top: 3px solid var(--gold); border-radius: 6px; padding: 18px;
  box-shadow: 0 1px 3px rgba(13,27,53,.04);
}
.sc-icon { font-size: 26px; margin-bottom: 10px; }
.sc-title { font-size: 17px; margin: 0 0 8px; }
.sc-desc { color: var(--muted); font-size: 13.5px; margin: 0 0 14px; line-height: 1.5; }
.sc-badge {
  font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--gold-d); border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 9px; display: inline-block;
}
@media (max-width: 1000px) { .sc-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px)  { .sc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px)  { .sc-grid { grid-template-columns: 1fr; } }

/* ── Audience cards (#pour-qui) ───────────────────────────────────────────── */
.audience-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 34px; }
.audience-card {
  background: var(--paper); border: 1px solid var(--border); border-radius: 8px;
  padding: 16px 14px; box-shadow: 0 1px 3px rgba(13,27,53,.04);
}
.audience-naf {
  display: inline-block; font-family: var(--sans); font-size: 9.5px; font-weight: 700; letter-spacing: .06em;
  color: var(--gold-d); background: rgba(201,168,76,.10);
  border: 1px solid rgba(201,168,76,.3); border-radius: 4px; padding: 1px 6px; margin-bottom: 9px;
}
.audience-icon { font-size: 24px; margin-bottom: 7px; }
.audience-title { font-family: var(--serif); color: var(--navy); font-size: 14px; margin-bottom: 6px; line-height: 1.25; }
.audience-desc { color: var(--muted); font-size: 12px; line-height: 1.45; margin: 0; }
@media (max-width: 1100px) { .audience-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 820px)  { .audience-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px)  { .audience-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 430px)  { .audience-grid { grid-template-columns: 1fr; } }

/* ── Footer ───────────────────────────────────────────────────────────────── */
.footer { background: var(--navy); color: #c7d0e0; padding: 48px 0 30px; border-top: 3px solid var(--gold); }
.footer a { color: #e8edf6; }
.footer__grid { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; }
.footer h4 { color: #fff; font-family: var(--sans); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 10px; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin: 6px 0; font-size: 14px; }
.footer__legal { margin-top: 34px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); font-size: 12.5px; color: #8893a6; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .nav__links { display: none; }
  .cards { grid-template-columns: 1fr; }
  .layer--socle, .layer--univ { margin: 0; }
  .def { grid-template-columns: 1fr; gap: 6px; }
}

/* ════════════════════════════════════════════════════════════════════════
   BIS Living Data Hero — animated D3 skyline + searchlight beam.
   Replaces the static hero image. Logic in assets/js/bis-hero.js.
   ════════════════════════════════════════════════════════════════════════ */
@keyframes bisPing { 0% { transform: scale(.6); opacity: .85 } 70% { transform: scale(2.8); opacity: 0 } 100% { opacity: 0 } }
@keyframes bisDot  { 0%, 100% { opacity: 1 } 50% { opacity: .3 } }
@keyframes bisTicker { from { transform: translateX(0) } to { transform: translateX(-50%) } }
@keyframes bisGridFloat { from { background-position: 0 0, 0 0 } to { background-position: 60px 60px, 60px 60px } }

.bis-hero {
  position: relative; width: 100%;
  height: calc(100vh - 68px); min-height: 600px; max-height: 940px;
  overflow: hidden; isolation: isolate;
  font-family: var(--sans); color: #fff;
  border-bottom: 3px solid var(--gold);
  background:
    radial-gradient(80% 60% at 70% 40%, rgba(46,111,191,0.20) 0%, transparent 70%),
    radial-gradient(50% 50% at 20% 80%, rgba(201,168,76,0.10) 0%, transparent 60%),
    radial-gradient(120% 80% at 50% 104%, rgba(74,158,224,0.13) 0%, rgba(30,63,122,0.10) 26%, transparent 56%),
    linear-gradient(175deg, #0d1b35 0%, #0a1628 100%);
}
.bis-hero__grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .65;
  background-image:
    linear-gradient(rgba(46,111,191,0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46,111,191,0.09) 1px, transparent 1px);
  background-size: 60px 60px; animation: bisGridFloat 24s linear infinite;
}
.bis-hero__svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.bis-hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.bis-hero__scrim {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(52% 40% at 50% 42%, rgba(10,22,40,0.74) 0%, rgba(10,22,40,0.34) 46%, rgba(10,22,40,0) 72%);
}
.bis-hero__vignette {
  position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(8,17,33,0.5) 0%, rgba(8,17,33,0) 20%, rgba(8,17,33,0) 74%, rgba(8,17,33,0.5) 100%);
}
.bis-hero__center {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center; pointer-events: none;
  padding: 0 20px;
}
.bis-hero__inner { transform: translateY(-2.5vh); display: flex; flex-direction: column; align-items: center; width: 100%; max-width: 600px; }
.bis-hero__badge {
  display: inline-flex; align-items: center; gap: 9px; padding: 6px 16px; max-width: 100%;
  border: 1px solid rgba(201,168,76,0.35); border-radius: 20px; background: rgba(201,168,76,0.13);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: #f0d98b; font-weight: 600;
}
.bis-hero__pulse { position: relative; width: 8px; height: 8px; }
.bis-hero__pulse span { position: absolute; inset: 0; border-radius: 50%; background: var(--gold); }
.bis-hero__pulse span:first-child { animation: bisDot 2.4s ease-in-out infinite; }
.bis-hero__pulse span:last-child  { animation: bisPing 2.4s ease-out infinite; }
.bis-hero__title {
  margin: 16px 0 0; font-family: var(--serif); font-size: clamp(76px, 12.5vw, 178px);
  font-weight: 800; letter-spacing: 0; line-height: 0.95; color: #fff;
  text-shadow: 0 0 70px rgba(74,158,224,0.42), 0 2px 42px rgba(0,0,0,0.5);
  pointer-events: auto; cursor: default; transition: text-shadow .35s ease;
}
.bis-hero__title:hover { text-shadow: 0 0 90px rgba(240,217,139,0.5), 0 2px 42px rgba(0,0,0,0.5); }
.bis-hero__title #bis-i { display: inline-block; transition: color .35s ease; }
.bis-hero__word { display: flex; align-items: center; gap: 18px; margin-top: 14px; }
.bis-hero__word span:first-child, .bis-hero__word span:last-child { width: 46px; height: 1px; background: rgba(201,168,76,0.55); }
.bis-hero__word b {
  font-size: clamp(12px, 1.4vw, 19px); font-weight: 600; letter-spacing: 0.4em;
  text-transform: uppercase; color: rgba(255,255,255,0.88); padding-left: 0.4em;
}
.bis-hero__lede {
  margin: 22px 0 0; max-width: 540px; font-size: clamp(15px, 1.35vw, 19px);
  font-weight: 300; line-height: 1.6; color: rgba(233,240,250,0.8);
}
.bis-hero__lede em { font-style: normal; font-weight: 500; color: #f0d98b; }
.bis-hero__cta { margin-top: 30px; width: 100%; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; justify-content: center; pointer-events: auto; }
.bis-hero__btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 8px;
  font-family: inherit; font-size: 14.5px; font-weight: 700; color: var(--navy); cursor: pointer;
  background: linear-gradient(135deg, #c9a84c 0%, #b8903e 100%);
  box-shadow: 0 4px 20px rgba(201,168,76,0.4); letter-spacing: 0.2px; text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}
.bis-hero__btn:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(201,168,76,0.5); color: var(--navy); text-decoration: none; }
.bis-hero__btn--ghost {
  padding: 13px 24px; border: 1px solid rgba(255,255,255,0.2); font-weight: 500;
  color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.08); box-shadow: none;
  transition: background .2s ease, border-color .2s ease;
}
.bis-hero__btn--ghost:hover { transform: none; background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.4); color: #fff; box-shadow: none; }
@keyframes bisLed { 0%, 100% { opacity: 1; box-shadow: 0 0 10px 2px #3ee87a; } 50% { opacity: .55; box-shadow: 0 0 4px 1px #3ee87a; } }
.led {
  width: 10px; height: 10px; border-radius: 50%; flex: 0 0 auto;
  background: radial-gradient(circle at 35% 30%, #b8ffce, #3ee87a 55%, #1c9e4d 100%);
  box-shadow: 0 0 10px 2px #3ee87a; animation: bisLed 1.8s ease-in-out infinite;
}
.bis-hero__region-card {
  position: absolute; top: 24px; z-index: 9; pointer-events: auto;
  display: flex; flex-direction: column; gap: 6px; width: 240px; padding: 18px 20px;
  border-radius: 12px; border: 1.5px solid rgba(62,232,122,0.55);
  background: rgba(9,19,38,0.9); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  text-decoration: none; box-shadow: 0 14px 36px rgba(0,0,0,0.45), 0 0 0 1px rgba(62,232,122,0.12);
  transition: background .15s, border-color .15s, transform .15s, box-shadow .15s;
}
.bis-hero__region-card--left { left: 24px; }
.bis-hero__region-card--right { right: 24px; }
.bis-hero__region-card:hover {
  background: rgba(9,19,38,1); border-color: rgba(62,232,122,0.9);
  transform: translateY(-3px); text-decoration: none;
  box-shadow: 0 18px 44px rgba(0,0,0,0.5), 0 0 0 1px rgba(62,232,122,0.25);
}
.bis-hero__region-card-head {
  display: flex; align-items: center; gap: 8px; font-family: var(--sans); font-size: 11.5px; font-weight: 800;
  letter-spacing: .16em; text-transform: uppercase; color: #6fe89c;
}
.bis-hero__region-card-name { font-family: var(--serif); font-size: 22px; font-weight: 800; color: #fff; line-height: 1.15; }
.bis-hero__region-card-cta { font-family: var(--sans); font-size: 13px; font-weight: 700; letter-spacing: .01em; color: #f0d98b; }
@media (max-width: 760px) {
  .bis-hero__region-card { width: auto; top: 12px; padding: 12px 14px; gap: 4px; }
  .bis-hero__region-card--left { left: 12px; right: auto; max-width: 46%; }
  .bis-hero__region-card--right { right: 12px; left: auto; max-width: 46%; }
  .bis-hero__region-card-name { font-size: 15px; }
  .bis-hero__region-card-cta { font-size: 11px; }
}
.bis-hero__regions { margin-top: 18px; width: 100%; display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; pointer-events: auto; }
.bis-hero__region {
  display: inline-flex; align-items: center; gap: 7px; padding: 7px 15px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; letter-spacing: .01em; text-decoration: none;
  border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.05); color: #e8edf6;
  transition: background .15s, border-color .15s, transform .12s;
}
.bis-hero__region:hover { background: rgba(255,255,255,0.1); border-color: rgba(201,168,76,0.5); transform: translateY(-1px); text-decoration: none; color: #fff; }
.bis-hero__region .dot { width: 7px; height: 7px; border-radius: 50%; }
.bis-hero__region .dot--actif  { background: #6fcf97; box-shadow: 0 0 7px #6fcf97; }
.bis-hero__region .dot--pilote { background: var(--gold); box-shadow: 0 0 7px var(--gold); }
.bis-hero__hint { margin-top: 16px; font-size: 12.5px; letter-spacing: 0.02em; color: rgba(255,255,255,0.48); }
.bis-hero__ticker {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 8;
  background: linear-gradient(90deg, #c9a84c 0%, #b8903e 100%); padding: 9px 0; overflow: hidden; pointer-events: none;
}
.bis-hero__ticker-track { display: flex; width: max-content; white-space: nowrap; animation: bisTicker 46s linear infinite; }
.bis-hero__ticker-track span {
  color: var(--navy); font-size: 12.5px; font-weight: 600; padding: 0 26px; border-right: 1px solid rgba(13,27,53,0.22);
}
.bis-hero__tip {
  position: absolute; top: 0; left: 0; transform: translate(-50%, -118%); opacity: 0;
  transition: opacity .18s ease; pointer-events: none; z-index: 6; padding: 11px 13px; border-radius: 10px;
  background: rgba(13,27,53,0.93); border: 1px solid rgba(201,168,76,0.32);
  box-shadow: 0 16px 40px rgba(0,0,0,0.45); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  font-size: 12px; color: #eaf1fb; white-space: nowrap;
}

@media (max-width: 720px) {
  .bis-hero { height: calc(100svh - 68px); min-height: 540px; }
  /* Tighter vertical rhythm so the skyline reads and the top dead-band shrinks. */
  .bis-hero__inner { transform: translateY(-1vh); }
  .bis-hero__title { margin-top: 10px; }
  .bis-hero__word { margin-top: 10px; gap: 10px; max-width: 100%; }
  .bis-hero__word span:first-child, .bis-hero__word span:last-child { width: 18px; }
  .bis-hero__word b { font-size: 11px; letter-spacing: 0.18em; }
  .bis-hero__lede { max-width: 420px; margin-top: 16px; }
  .bis-hero__hint { display: none; }
  .bis-hero__badge { font-size: 10.5px; letter-spacing: 1px; padding: 5px 12px; }
  .bis-hero__btn { padding: 12px 20px; font-size: 14px; }
  .bis-hero__cta { margin-top: 22px; gap: 10px; }
  .bis-hero__regions { margin-top: 14px; }
}
@media (max-width: 420px) {
  .bis-hero__cta .bis-hero__btn { width: 100%; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
  .bis-hero__grid, .bis-hero__ticker-track, .bis-hero__pulse span { animation: none; }
}