/* ============================================================
   SignalOS — Hero v2 « pro » + thème sombre permanent (essai)
   Se charge après v3/v3b/v4.css
   ============================================================ */

/* ═════════════════════════════════════════════
   BANDEAU SOMBRE : du haut de page jusqu'au dashboard
   (le reste du site garde son thème)
   ═════════════════════════════════════════════ */
.dark-band {
  /* variables sombres, quel que soit le thème de la page */
  --v3-card: rgba(255,255,255,0.045);
  --v3-solid: #12101a;
  --v3-line: rgba(255,255,255,0.1);
  --v3-hair: rgba(255,255,255,0.06);
  --v3-ink: #f7f7fa;
  --v3-mut: rgba(247,247,250,0.6);
  --v3-dim: rgba(247,247,250,0.38);
  --v3-sh: 0 30px 80px -30px rgba(0,0,0,0.65);
  --v3-dash-bg: #0e0c15;
  --v3-dash-side: #0a0910;
  --v3-dash-card: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.035);
  --glass-2: rgba(255,255,255,0.055);
  --glass-strong: rgba(20,18,26,0.55);
  --stroke: rgba(255,255,255,0.09);
  --stroke-soft: rgba(255,255,255,0.06);
  --t1: rgba(255,255,255,0.92);
  --t2: rgba(255,255,255,0.58);
  --t3: rgba(255,255,255,0.38);
  position: relative;
  background:
    radial-gradient(74% 52% at 50% 0%, rgba(232,25,60,0.17), transparent 68%),
    radial-gradient(50% 40% at 88% 30%, rgba(11,180,175,0.08), transparent 70%),
    linear-gradient(180deg, #0b0a11 0%, #100e18 62%, #0c0b12 100%);
  border-radius: 0 0 40px 40px;
  box-shadow: 0 40px 90px -50px rgba(0,0,0,0.6);
  overflow: hidden;
  padding-bottom: 8px;
}
/* trame + grain locaux au bandeau */
.dark-band::before { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: 0.5;
  background-image: linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(72% 62% at 50% 26%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(72% 62% at 50% 26%, #000 30%, transparent 78%); }
.dark-band > * { position: relative; z-index: 1; }
/* liseré lumineux en bas du bandeau */
.dark-band::after { content: ''; position: absolute; left: 8%; right: 8%; bottom: 0; height: 1px; z-index: 2;
  background: linear-gradient(90deg, transparent, rgba(232,25,60,0.55), transparent); }

/* la page en clair : bannière + nav s'adaptent au bandeau sombre (classe posée par JS) */
html[data-theme="light"] .top-banner { background: linear-gradient(90deg, rgba(232,25,60,0.16), rgba(232,25,60,0.07)); border-bottom-color: rgba(255,255,255,0.08); }
html[data-theme="light"] .top-banner .tb-text { color: rgba(255,255,255,0.82); }
html[data-theme="light"] .top-banner .tb-text strong { color: #fff; }
html[data-theme="light"] .top-banner .tb-countdown { color: rgba(255,255,255,0.7); border-color: rgba(255,255,255,0.14); background: rgba(255,255,255,0.06); }
html[data-theme="light"] .top-banner .tb-countdown strong { color: #fff; }

/* ── nav au-dessus du bandeau sombre ── */
html[data-theme="light"] nav#navbar.nav-on-dark { background: rgba(16,14,24,0.66) !important; border-color: rgba(255,255,255,0.1) !important;
  box-shadow: 0 18px 50px -22px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.06) !important; }
html[data-theme="light"] nav#navbar.nav-on-dark.nav-scrolled { background: rgba(10,8,14,0.84) !important;
  box-shadow: 0 22px 60px -18px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.06) !important; }
html[data-theme="light"] nav#navbar.nav-on-dark .logo-text { color: #fff; }
html[data-theme="light"] nav#navbar.nav-on-dark .nav-links a { color: rgba(255,255,255,0.6); }
html[data-theme="light"] nav#navbar.nav-on-dark .nav-links a:hover,
html[data-theme="light"] nav#navbar.nav-on-dark .nav-links a.active-nav { color: #fff; background: rgba(255,255,255,0.08); }
html[data-theme="light"] nav#navbar.nav-on-dark .nav-login { color: rgba(255,255,255,0.62); }
html[data-theme="light"] nav#navbar.nav-on-dark .nav-login:hover { color: #fff; }
html[data-theme="light"] nav#navbar.nav-on-dark .theme-btn,
html[data-theme="light"] nav#navbar.nav-on-dark .lang-cur { color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.12); background: rgba(255,255,255,0.05); }
html[data-theme="light"] nav#navbar.nav-on-dark .hamburger span { background: #fff; }
/* transition douce entre les deux états */
nav#navbar, nav#navbar .logo-text, nav#navbar .nav-links a, nav#navbar .nav-login, nav#navbar .theme-btn, nav#navbar .lang-cur { transition: background 0.35s, color 0.35s, border-color 0.35s, box-shadow 0.35s; }

/* ── le bandeau reste sombre même quand la page est en clair ── */
html[data-theme="light"] .dark-band h1,
html[data-theme="light"] .dark-band h2,
html[data-theme="light"] .dark-band h3,
html[data-theme="light"] .dark-band b,
html[data-theme="light"] .dark-band strong,
html[data-theme="light"] .dark-band .feed-name,
html[data-theme="light"] .dark-band .q-n,
html[data-theme="light"] .dark-band .ds-logo,
html[data-theme="light"] .dark-band .dm-video b,
html[data-theme="light"] .dark-band .kpi b,
html[data-theme="light"] .dark-band .dash-float,
html[data-theme="light"] .dark-band .dash-toast b,
html[data-theme="light"] .dark-band .ds-plan b { color: var(--v3-ink); -webkit-text-fill-color: currentColor; }
html[data-theme="light"] .dark-band { color: var(--v3-mut); }
html[data-theme="light"] .dark-band p,
html[data-theme="light"] .dark-band span,
html[data-theme="light"] .dark-band .v3-sub,
html[data-theme="light"] .dark-band .q-t,
html[data-theme="light"] .dark-band .feed-act,
html[data-theme="light"] .dark-band .ds-it { color: var(--v3-mut); }
html[data-theme="light"] .dark-band .demo-h,
html[data-theme="light"] .dark-band .h2-chrome .h2-url,
html[data-theme="light"] .dark-band .h2-cap,
html[data-theme="light"] .dark-band .ds-plan span,
html[data-theme="light"] .dark-band .dm-video span,
html[data-theme="light"] .dark-band .kpi > span,
html[data-theme="light"] .dark-band .dm-card > header span,
html[data-theme="light"] .dark-band .feed-time,
html[data-theme="light"] .dark-band .h2-st span { color: var(--v3-dim); }
html[data-theme="light"] .dark-band .acc-red,
html[data-theme="light"] .dark-band h1 .acc-red { background: linear-gradient(115deg, #ff486a, var(--red) 60%, #ff2d55); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
html[data-theme="light"] .dark-band .acc-cyan,
html[data-theme="light"] .dark-band h1 .acc-cyan { background: linear-gradient(115deg, var(--cyan), #17c9c4); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
html[data-theme="light"] .dark-band .nch { color: var(--v3-mut); background: var(--v3-card); border-color: var(--v3-line); }
html[data-theme="light"] .dark-band .nch.on { color: #fff; background: linear-gradient(135deg, var(--red-2), var(--red)); border-color: transparent; }
html[data-theme="light"] .dark-band .btn-s { color: var(--v3-mut); background: var(--v3-card); border-color: var(--v3-line); }
html[data-theme="light"] .dark-band .btn-p { color: #fff; -webkit-text-fill-color: #fff; }
html[data-theme="light"] .dark-band .kpi em { color: #4ade80; background: rgba(74,222,128,0.12); }
html[data-theme="light"] .dark-band .dash { background: var(--v3-dash-bg); }
html[data-theme="light"] .dark-band .demo-frame { background: radial-gradient(65% 65% at 50% 32%, rgba(232,25,60,0.17), transparent 65%), linear-gradient(168deg, #16151c 0%, #0a0a0f 100%); }
html[data-theme="light"] .dark-band .h2-proof .pr-txt b { color: var(--v3-ink); }

/* ── ticker juste sous le bandeau : on l'aère pour dégager les coins arrondis ── */
.dark-band + .v3-ticker { margin-top: 46px; border-top-color: var(--v3-hair); }
@media (max-width: 720px) { .dark-band + .v3-ticker { margin-top: 30px; } }

/* ─────────────────────────────────────────────
   HERO ENCADRÉ — 2 colonnes desktop
   ───────────────────────────────────────────── */
.h2x { padding: calc(var(--banner-h, 44px) + 118px) 24px 0; text-align: left; }
.h2-grid { max-width: 1240px; margin: 0 auto; display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 56px; align-items: center; }

/* colonne texte */
.h2-copy { position: relative; }
.h2x .v3-badge { margin-bottom: 22px; }
.h2x h1 { font-size: clamp(2.3rem, 3.9vw, 3.5rem); line-height: 1.03; letter-spacing: -0.042em; max-width: none; margin: 0; }
.h2x .v3-sub { font-size: 1.02rem; margin: 20px 0 0; max-width: 500px; }
.h2-ctas { display: flex; align-items: center; gap: 13px; flex-wrap: wrap; margin-top: 30px; }
.h2x .btn-p { padding: 15px 30px; }

/* bandeau de preuve pro */
.h2-proof { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 28px;
  padding-top: 24px; border-top: 1px solid var(--v3-hair); }
.h2-proof .v3-avs { margin: 0; }
.h2-proof .pr-txt { font-size: 0.8rem; color: var(--v3-mut); line-height: 1.45; }
.h2-proof .pr-txt b { color: var(--v3-ink); font-weight: 700; }
.h2-proof .pr-txt i { font-style: normal; color: #ffc531; letter-spacing: 0.06em; }
.h2-stats { display: flex; gap: 26px; margin-top: 22px; flex-wrap: wrap; }
.h2-st b { display: block; font-family: var(--display); font-weight: 800; font-size: 1.22rem; letter-spacing: -0.03em;
  color: var(--v3-ink); font-variant-numeric: tabular-nums; line-height: 1.1; }
.h2-st span { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--v3-dim); }
.h2-st.hot b { color: var(--red); }

/* colonne média : cadre navigateur */
.h2-media { position: relative; }
.h2-media::before { content: ''; position: absolute; inset: -14% -10% -8%; z-index: -1; pointer-events: none;
  background: radial-gradient(58% 62% at 55% 40%, rgba(232,25,60,0.2), transparent 70%); filter: blur(14px); }
.h2-frame { position: relative; border-radius: 20px; overflow: hidden;
  background: var(--v3-solid); border: 1px solid var(--v3-line);
  box-shadow: 0 42px 100px -34px rgba(0,0,0,0.72), 0 0 0 1px rgba(255,255,255,0.04) inset; }
.h2-chrome { display: flex; align-items: center; gap: 11px; padding: 11px 15px; border-bottom: 1px solid var(--v3-hair); background: var(--v3-dash-side); }
.h2-chrome .h2-dots { display: flex; gap: 6px; }
.h2-chrome .h2-dots i { width: 9px; height: 9px; border-radius: 50%; }
.h2-chrome .h2-url { display: inline-flex; align-items: center; gap: 7px; font-size: 0.68rem; font-weight: 600; color: var(--v3-dim);
  background: var(--v3-dash-card); border: 1px solid var(--v3-hair); border-radius: 7px; padding: 4px 11px; }
.h2-chrome .dash-live { margin-left: auto; }
.h2-frame .demo-frame { border: none; border-radius: 0; box-shadow: none; }
.h2-frame .demo-frame:hover { transform: none; }

/* légende sous le cadre */
.h2-cap { display: flex; align-items: center; gap: 9px; margin-top: 14px; font-size: 0.76rem; color: var(--v3-dim); }
.h2-cap i { font-style: normal; color: var(--red); }

/* chips de niche, ancrées sous le média */
.h2x .v4-niches { margin-top: 18px; justify-content: flex-start; }

/* ─────────────────────────────────────────────
   RESPONSIVE
   ───────────────────────────────────────────── */
@media (max-width: 1040px) {
  .h2-grid { grid-template-columns: 1fr; gap: 34px; }
  .h2x { text-align: center; padding-top: calc(var(--banner-h, 44px) + 104px); }
  .h2x h1, .h2x .v3-sub { margin-left: auto; margin-right: auto; }
  .h2-ctas, .h2-proof, .h2-stats, .h2x .v4-niches { justify-content: center; }
  .h2-proof { flex-direction: column; gap: 12px; }
  .h2-stats { gap: 30px; }
  .h2-cap { justify-content: center; }
  /* média avant la preuve sur mobile */
  .h2-media { order: 2; }
  .h2-copy { order: 1; }
}
@media (max-width: 640px) {
  .dark-band { border-radius: 0 0 28px 28px; }
  .h2x { padding-left: 18px; padding-right: 18px; }
  .h2x h1 { font-size: clamp(1.95rem, 8.4vw, 2.5rem); letter-spacing: -0.038em; }
  .h2x .v3-sub { font-size: 0.94rem; margin-top: 16px; }
  .h2-ctas { flex-direction: column; align-items: stretch; gap: 10px; margin-top: 24px; }
  .h2-ctas .btn-p, .h2-ctas .btn-s { justify-content: center; width: 100%; padding: 15px 22px; }
  .h2-frame { border-radius: 16px; }
  .h2-chrome { padding: 9px 12px; }
  .h2-chrome .h2-url { font-size: 0.6rem; padding: 3px 9px; }
  .h2-stats { gap: 0; justify-content: space-between; width: 100%;
    background: var(--v3-card); border: 1px solid var(--v3-line); border-radius: 14px; padding: 14px 10px; backdrop-filter: blur(12px); }
  .h2-st { flex: 1; text-align: center; }
  .h2-st b { font-size: 1.05rem; }
  .h2-st span { font-size: 0.58rem; letter-spacing: 0.05em; }
  .h2-proof { padding-top: 20px; margin-top: 22px; }
  /* niches : rangée scrollable, plus compacte */
  .h2x .v4-niches { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; justify-content: flex-start;
    margin-left: -18px; margin-right: -18px; padding: 2px 18px 4px; }
  .h2x .v4-niches::-webkit-scrollbar { display: none; }
  .h2x .v4-nl { display: none; }
}