.section {
  scroll-margin-top: 86px;
}

.hero-scroll-section {
  --hero-progress: 0;
  height: calc(100svh + 900px);
  min-height: 1180px;
  background: var(--blue-dark);
}

.hero {
  position: relative;
  position: sticky;
  top: 74px;
  height: calc(100svh - 74px);
  min-height: 560px;
  display: grid;
  place-items: center;
  padding: clamp(56px, 8vw, 110px) clamp(18px, 5vw, 64px);
  overflow: hidden;
  color: white;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
  background: var(--blue-dark);
  transform: scale(calc(1.055 - var(--hero-progress) * .035));
  filter: saturate(calc(.92 + var(--hero-progress) * .12));
  opacity: 0;
  transition: opacity .45s ease;
  will-change: transform;
}

.hero-scroll-section.is-video-ready .hero-image { opacity: 1; }

.hero-overlay {
  background:
    linear-gradient(180deg, rgba(3, 37, 47, .16), rgba(3, 37, 47, .05) 45%, rgba(3, 37, 47, .38)),
    linear-gradient(90deg, rgba(3, 37, 47, .58), rgba(3, 37, 47, .18) 54%, rgba(3, 37, 47, .06));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, 100%);
  height: min(680px, calc(100vh - 130px));
  min-height: 510px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: none;
  font-size: clamp(3rem, 6.2vw, 5.7rem);
  line-height: 1;
  letter-spacing: 0;
}

.hero-title span {
  position: absolute;
  z-index: 2;
  display: block;
  text-shadow: 0 4px 24px rgba(3, 37, 47, .38);
  will-change: transform, opacity;
}

.hero-title-top {
  top: 5%;
  left: 54%;
  white-space: nowrap;
  opacity: clamp(0, calc(var(--hero-progress) * 6), 1);
  transform: translate(-50%, calc((1 - clamp(0, var(--hero-progress) * 6, 1)) * -32px));
}

.hero-title-bottom {
  top: 68%;
  right: 57%;
  white-space: nowrap;
  opacity: clamp(0, calc((var(--hero-progress) - .24) * 6), 1);
  transform: translate(50%, calc((1 - clamp(0, (var(--hero-progress) - .24) * 6, 1)) * 32px));
}

.hero .hero-actions {
  position: absolute;
  right: 8%;
  bottom: 6%;
  opacity: clamp(0, calc((var(--hero-progress) - .52) * 5), 1);
  transform: translateY(calc((1 - clamp(0, (var(--hero-progress) - .52) * 5, 1)) * 22px));
  will-change: transform, opacity;
}

.hero-actions,
.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--hover-duration) var(--ease), box-shadow var(--hover-duration) var(--ease), background-color var(--hover-duration) var(--ease), border-color var(--hover-duration) var(--ease);
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(6, 44, 54, 0.16);
}

.button:active {
  transform: translateY(0);
}

.primary {
  background: var(--aqua);
  color: white;
}

.primary:hover {
  background: #128faa;
}

.secondary {
  background: white;
  color: var(--blue-dark);
}

.secondary:hover,
.ghost:hover {
  border-color: var(--aqua);
  color: var(--blue);
}

.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--blue-dark);
}

@media (max-width: 860px) {
  .hero-content { height: 560px; min-height: 0; }
  .hero h1 { font-size: clamp(2.65rem, 10vw, 4.8rem); }
  .hero-title-top { top: 7%; left: 57%; }
  .hero-title-bottom { top: 66%; right: 52%; }
  .hero .hero-actions { right: 0; bottom: 4%; left: 0; width: min(470px, 100%); margin-inline: auto; justify-content: center; }
}

@media (max-width: 560px) {
  .hero-scroll-section {
    height: calc(100svh + 620px);
    min-height: 980px;
  }

  .hero { padding-inline: 16px; }
  .hero-content { height: 500px; }
  .hero h1 { font-size: clamp(2.35rem, 12vw, 3.45rem); }
  .hero-title-top { top: 10%; left: 50%; }
  .hero-title-bottom { top: 62%; right: 50%; }
  .hero .hero-actions { bottom: 1%; gap: 9px; }
  .hero .hero-actions .button { flex: 1 1 150px; padding-inline: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-scroll-section { height: 100svh; min-height: 640px; }
  .hero-image { transform: none; filter: none; }
  .hero-title-top,
  .hero-title-bottom,
  .hero .hero-actions { opacity: 1; }
  .hero-title-top { transform: translate(-50%, 0); }
  .hero-title-bottom { transform: translate(50%, 0); }
  .hero .hero-actions { transform: none; }
}

/* Copyright RZU Informatique */