/* Why Choose Me / Advantages */

.section--advantages {
  background: var(--color-section-dark-bg);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.section--advantages::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 12% 10%, rgba(181, 0, 0, 0.18), transparent 42%),
    radial-gradient(ellipse at 88% 80%, rgba(140, 156, 163, 0.12), transparent 45%);
  pointer-events: none;
}

.section--advantages .container {
  position: relative;
  z-index: 1;
}

.advantages-layout {
  --advantages-card-pad-y: 1.25rem;
  display: grid;
  column-gap: clamp(2rem, 5vw, 3.5rem);
  row-gap: 1rem;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  grid-template-areas:
    "badge ."
    "intro timeline";
  align-items: start;
}

.advantages-intro__badge {
  grid-area: badge;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0;
  max-width: 28rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.25;
  color: var(--color-accent-red);
}

.advantages-intro {
  grid-area: intro;
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  max-width: 28rem;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
  /* Вирівнює верх H2 з верхом тексту «01» у першій картці */
  padding-top: var(--advantages-card-pad-y);
}

.advantages-intro__media {
  margin: 1.35rem 0 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border-subtle);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.advantages-intro__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: min(28rem, 70vh);
  object-fit: cover;
  object-position: center;
  -webkit-user-select: none;
  user-select: none;
}

.advantages-intro__dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--color-accent-red);
  box-shadow: 0 0 0 4px rgba(181, 0, 0, 0.18), 0 0 18px rgba(181, 0, 0, 0.55);
  flex-shrink: 0;
}

.advantages-intro__title {
  margin: 0 0 0.9rem;
  color: var(--color-heading-serif);
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
  line-height: 1.12;
}

.advantages-intro__lead {
  margin: 0;
  color: var(--color-slate-muted);
  font-size: 1.05rem;
  line-height: 1.65;
}

.advantages-timeline {
  grid-area: timeline;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.95rem;
  position: relative;
  min-width: 0;
}

.advantage-item {
  --advantage-delay: 0ms;
  display: grid;
  grid-template-columns: 1.4rem 1fr;
  gap: 0.95rem;
  align-items: stretch;
}

.advantage-item__rail {
  position: relative;
  display: flex;
  justify-content: center;
}

.advantage-item__rail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: -0.95rem;
  width: 1px;
  background: linear-gradient(
    180deg,
    rgba(181, 0, 0, 0.55),
    rgba(255, 255, 255, 0.18) 55%,
    rgba(255, 255, 255, 0.06)
  );
}

.advantage-item:last-child .advantage-item__rail::before {
  bottom: 50%;
}

.advantage-item__node {
  position: relative;
  z-index: 1;
  width: 0.7rem;
  height: 0.7rem;
  margin-top: 1.45rem;
  border-radius: 999px;
  background: var(--color-accent-red);
  box-shadow: 0 0 0 4px rgba(181, 0, 0, 0.18);
  flex-shrink: 0;
}

.advantage-item__card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: var(--advantages-card-pad-y) 1.3rem;
  border-radius: 16px;
  background: var(--color-glass-card-bg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-border-subtle);
  transition:
    transform 0.28s var(--ease),
    background-color 0.28s var(--ease),
    border-color 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

.advantage-item:hover .advantage-item__card,
.advantage-item:focus-within .advantage-item__card {
  transform: translateY(-4px);
  background: var(--color-glass-card-hover);
  border-color: rgba(181, 0, 0, 0.4);
  box-shadow: 0 10px 30px rgba(181, 0, 0, 0.15);
}

.advantage-item__num {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-accent-red);
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .advantage-item__num {
    background: linear-gradient(180deg, #ff5a5a 0%, var(--color-accent-red) 55%, #7a0000 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.advantage-item__copy h3 {
  margin: 0 0 0.4rem;
  color: var(--color-heading-serif);
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
}

.advantage-item__copy p {
  margin: 0;
  color: var(--color-text-light);
  opacity: 0.9;
  line-height: 1.55;
}

.advantage-item[data-reveal] {
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
  transition-delay: var(--advantage-delay, 0ms);
}

.advantage-item[data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateX(18px);
}

.advantage-item[data-reveal].is-visible {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 991.98px) {
  .advantages-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "badge"
      "intro"
      "timeline";
    row-gap: 1rem;
    column-gap: 0;
  }

  .advantages-intro {
    position: static;
    max-width: none;
    padding-top: 0;
  }

  .advantages-intro__badge,
  .advantages-intro__title,
  .advantages-intro__lead {
    max-width: 40rem;
  }

  .advantages-intro__media {
    width: 100%;
    max-width: none;
  }

  .advantages-intro__media img {
    width: 100%;
    max-width: none;
    max-height: min(24rem, 60vh);
    object-position: center 35%;
  }
}

@media (max-width: 767.98px) {
  .advantages-intro__media {
    margin-top: 1.1rem;
    border-radius: 14px;
  }

  .advantages-intro__media img {
    max-height: min(20rem, 55vh);
  }

  .advantage-item {
    grid-template-columns: 1rem 1fr;
    gap: 0.75rem;
  }

  .advantage-item__card {
    grid-template-columns: 1fr;
    gap: 0.55rem;
    padding: 1.1rem 1.1rem 1.15rem;
  }

  .advantage-item__node {
    margin-top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .advantage-item,
  .advantage-item__card {
    transition: none;
  }

  .advantage-item[data-reveal] {
    opacity: 1;
    transform: none;
  }

  .advantage-item:hover .advantage-item__card {
    transform: none;
  }
}