/* ============================================================
   Numerika360 — Couche « site vivant »
   Topbar · Hero visuel · Ticker · Sections dark · About showcase
   ============================================================ */

.page-home {
  --topbar-h: 40px;
  --header-total: calc(var(--nav-h) + var(--topbar-h));
}

body.page-home [id] {
  scroll-margin-top: calc(var(--header-total) + 1rem);
}

/* ---------- Top bar ---------- */
.topbar {
  position: relative;
  z-index: 1300;
  height: var(--topbar-h);
  background: #001542;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.75rem;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 100%;
  flex-wrap: wrap;
}

.topbar__left,
.topbar__right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.topbar a {
  color: rgba(255, 255, 255, 0.88);
  transition: color var(--duration-fast) var(--ease);
}

.topbar a:hover {
  color: var(--blue-cyan);
}

/* ---------- Hero layout ---------- */
.page-home .hero {
  min-height: auto;
  padding-block: clamp(3.5rem, 7vw, 5.5rem) clamp(5rem, 11vw, 7rem);
}

.page-home .hero .container {
  width: 100%;
}

.hero__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.75rem, 3vw, 2.75rem);
  align-items: center;
}

.hero__title em {
  font-style: normal;
  color: var(--blue-cyan);
  text-shadow: 0 0 40px rgba(0, 188, 226, 0.35);
}

.hero__visual {
  position: relative;
  display: none;
  max-width: 540px;
  justify-self: end;
  width: 100%;
}

.hero__visual-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 24px 60px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(0, 188, 226, 0.15),
    inset 0 0 60px rgba(0, 188, 226, 0.08);
  aspect-ratio: 4 / 3;
}

.hero__visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  animation: heroZoom 18s var(--ease) infinite alternate;
}

.hero__visual-glow {
  position: absolute;
  inset: auto -15% -20% -15%;
  height: 55%;
  background: radial-gradient(ellipse, rgba(0, 188, 226, 0.45) 0%, transparent 70%);
  filter: blur(28px);
  pointer-events: none;
  animation: glowDrift 8s ease-in-out infinite alternate;
}

.hero__visual-ring {
  position: absolute;
  inset: -8%;
  border: 1px solid rgba(0, 188, 226, 0.25);
  border-radius: var(--radius-lg);
  pointer-events: none;
  animation: float 7s ease-in-out infinite;
}

.hero__slash {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(48px, 6vw, 72px);
  background: var(--bg-primary);
  clip-path: polygon(0 100%, 100% 28%, 100% 100%);
  z-index: 2;
  pointer-events: none;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.hero__orb--1 {
  width: 120px;
  height: 120px;
  top: 18%;
  right: 8%;
  background: radial-gradient(circle, rgba(0, 188, 226, 0.35), transparent 70%);
  animation: float 6s ease-in-out infinite;
}

.hero__orb--2 {
  width: 80px;
  height: 80px;
  bottom: 22%;
  left: 42%;
  background: radial-gradient(circle, rgba(0, 81, 186, 0.4), transparent 70%);
  animation: float 4.5s ease-in-out infinite reverse;
}

.btn--arrow span {
  display: inline-block;
  transition: transform var(--duration-fast) var(--ease);
}

.btn--arrow:hover span {
  transform: translateX(4px);
}

/* ---------- Ticker ---------- */
.ticker {
  position: relative;
  z-index: 3;
  overflow: hidden;
  background: var(--blue-royal);
  color: rgba(255, 255, 255, 0.92);
  padding: 0.85rem 0;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: tickerScroll 38s linear infinite;
}

.ticker__group {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding-right: 2.5rem;
  white-space: nowrap;
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ticker__item {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
}

.ticker__item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-cyan);
  box-shadow: 0 0 8px var(--glow-cyan);
}

/* ---------- About showcase ---------- */
.section--circuit {
  position: relative;
  overflow: hidden;
}

.section--circuit::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 81, 186, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 81, 186, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 30% 50%, black 15%, transparent 75%);
  pointer-events: none;
}

.about-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.about-showcase__media {
  position: relative;
}

.about-showcase__frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 5 / 4;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
}

.about-showcase__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.about-showcase__media:hover .about-showcase__frame img {
  transform: scale(1.04);
}

.about-showcase__badge {
  position: absolute;
  left: -1rem;
  bottom: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--gradient-brand);
  color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glow);
  max-width: 240px;
}

.about-showcase__badge-num {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.06em;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.about-showcase__badge-text {
  font-size: var(--fs-xs);
  line-height: 1.45;
  opacity: 0.92;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1.75rem;
}

.about-features__item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.about-features__check {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0, 188, 226, 0.12);
  color: var(--blue-royal);
  font-size: 0.7rem;
  font-weight: 700;
}

/* ---------- Dark sections ---------- */
.section--dark {
  background: var(--gradient-hero);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}

.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
}

.section--dark .section__label {
  color: var(--blue-cyan);
}

.section--dark .section__label::before {
  background: var(--blue-cyan);
}

.section--dark .section__title {
  color: var(--white);
}

.section--dark .section__subtitle {
  color: var(--text-on-dark-muted);
}

.section--dark .pole-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.section--dark .pole-card__text,
.section--dark .pole-card__list li {
  color: var(--text-on-dark-muted);
}

.section--dark .pole-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(0, 188, 226, 0.35);
}

/* ---------- Solution cards with visual ---------- */
.solutions-grid--live {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
  .solutions-grid--live {
    grid-template-columns: 1fr;
  }
}

.solution-card--live {
  padding: 0;
  overflow: hidden;
}

.solution-card__visual {
  position: relative;
  height: 180px;
  overflow: hidden;
}

.solution-card__visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.solution-card--live:hover .solution-card__visual img {
  transform: scale(1.06);
}

.solution-card__visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(0, 31, 92, 0.75) 100%);
}

.solution-card__body {
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.solution-card__lead {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  margin-bottom: 0.85rem;
}

.solution-card__details {
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(0, 81, 186, 0.03);
}

.solution-card__details summary {
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 1rem;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--blue-royal);
}

.solution-card__details summary::-webkit-details-marker {
  display: none;
}

.solution-card__details summary::after {
  content: "+";
  float: right;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--blue-cyan);
}

.solution-card__details[open] summary::after {
  content: "−";
}

.solution-card__features {
  list-style: none;
  padding: 0 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.solution-card__features li {
  position: relative;
  padding-left: 1rem;
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  line-height: 1.45;
}

.solution-card__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue-cyan);
}

.solution-card__text--closing {
  margin-bottom: 1.25rem;
}

/* ---------- Enhanced cards ---------- */
.card--live {
  position: relative;
}

.card__icon-wrap {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(0, 81, 186, 0.08);
  color: var(--blue-royal);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  margin-bottom: 1.15rem;
}

/* ---------- Formation block ---------- */
.formation-panel {
  position: relative;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  background: var(--gradient-hero);
  color: var(--text-on-dark);
  overflow: hidden;
}

.formation-panel::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 188, 226, 0.2), transparent 65%);
  pointer-events: none;
}

.formation-panel .section__label {
  color: var(--blue-cyan);
}

.formation-panel .section__title {
  color: var(--white);
}

.formation-panel .lead {
  color: var(--text-on-dark-muted);
}

.formation-panel .tag {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.88);
}

.formation-panel .tag:hover {
  background: rgba(0, 188, 226, 0.15);
  border-color: rgba(0, 188, 226, 0.35);
  color: var(--white);
}

/* ---------- Animations ---------- */
@keyframes tickerScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes heroZoom {
  from { transform: scale(1.03); }
  to { transform: scale(1.08); }
}

@keyframes glowDrift {
  from { opacity: 0.6; transform: translateY(0); }
  to { opacity: 1; transform: translateY(-12px); }
}

@media (min-width: 1025px) {
  .hero__visual {
    display: block;
  }

  .hero__content {
    max-width: none;
  }
}

@media (max-width: 1024px) {
  .page-home {
    --topbar-h: 0px;
    --header-total: var(--nav-h);
  }

  .topbar {
    display: none;
  }

  .about-showcase {
    grid-template-columns: 1fr;
  }

  .about-showcase__badge {
    left: 1rem;
    bottom: 1rem;
  }

  .solutions-grid--live {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ticker__track,
  .hero__visual-frame img,
  .hero__visual-ring,
  .hero__orb {
    animation: none !important;
  }
}