/* ============================================================
   HERO — première vue plein écran, accroche et CTA
============================================================ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: clamp(56px, 10vh, 120px) 0;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(225, 0, 15, 0.05), transparent 50%),
    radial-gradient(ellipse at 0% 100%, rgba(0, 0, 145, 0.06), transparent 55%),
    #fff;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero__eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 36px;
}
.hero__title {
  font-size: clamp(56px, 11vw, 148px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-weight: 800;
  margin: 0 0 40px;
  /* "Électrifions" reprend le bleu très foncé du sceau ; "la France"
     est repris en dégradé via .grad. */
  color: #1a1a4a;
}
.hero__title-line {
  position: relative;
  display: inline-block;
}
.hero__electricity {
  position: absolute;
  inset: 0;
  z-index: 3;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: normal;
}
.hero__sub {
  font-size: clamp(20px, 2.4vw, 28px);
  max-width: 720px;
  color: var(--ink-2);
  line-height: 1.35;
  font-weight: 400;
  margin: 0 0 80px;
}
.hero__cta {
  position: relative;
  z-index: 4;
  display: inline-block;
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 4px;
  transition: gap 0.2s ease;
}
.hero__cta:hover { color: var(--bleu); border-color: var(--bleu); }

@media (prefers-reduced-motion: reduce) {
  .hero__electricity {
    display: none;
  }
}

@media (max-width: 1080px) {
  .hero {
    min-height: 100vh;
    min-height: 100svh;
  }
}

@media (max-width: 720px) {
  .hero {
    padding: 60px 0 72px;
  }

  .hero .container {
    width: 100%;
    padding: 0 24px;
  }

  .hero__eyebrow {
    margin-bottom: 36px;
  }

  .hero__title {
    width: 100%;
    max-width: calc(100vw - 48px);
    font-size: clamp(54px, 15.6vw, 96px);
    margin-bottom: 44px;
  }

  .hero__sub {
    margin-bottom: 64px;
  }
}