/* ORBITA — Advantages + Tech Stack + Clients v2 */

/* ══════════════ ADVANTAGES ══════════════ */
.advantages {
  position: relative;
  overflow: hidden;
}
.advantages__header {
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.advantages__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.9rem, 1.4vw, 1.25rem);
}

.adv-card {
  position: relative;
  padding: clamp(1.5rem, 2.4vw, 2rem);
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition:
    border-color var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out),
    box-shadow var(--dur-mid) var(--ease-out);
}
/* spotlight от курсора (JS: --mx/--my) */
.adv-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%),
              rgba(110,92,255,0.12), transparent 45%);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
  pointer-events: none;
}
.adv-card:hover::before { opacity: 1; }
.adv-card:hover {
  border-color: rgba(110,92,255,0.4);
  transform: translateY(-4px);
  box-shadow: 0 18px 44px -22px rgba(110,92,255,0.28);
}
.adv-card > * { position: relative; z-index: 1; }

.adv-card__icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  color: var(--c-accent);
  background: var(--c-accent-soft);
  border: 1px solid rgba(110,92,255,0.25);
  margin-bottom: var(--sp-5);
  transition: box-shadow var(--dur-mid) var(--ease-out), transform var(--dur-mid) var(--ease-spring);
}
.adv-card:hover .adv-card__icon {
  box-shadow: 0 0 22px -4px var(--c-accent-glow);
  transform: translateY(-2px) rotate(-4deg);
}

.adv-card__title {
  font-family: var(--font-display);
  font-size: clamp(0.95rem, 1.3vw, 1.1rem);
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 0.55rem;
  line-height: 1.3;
}
.adv-card__desc {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: rgba(255,255,255,0.45);
}

/* ══════════════ TECH STACK ══════════════ */
.techstack {
  border-top: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.techstack__header {
  margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.techstack__groups {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(0.9rem, 1.4vw, 1.25rem);
}
.techstack__group {
  padding: clamp(1.25rem, 2vw, 1.75rem);
  background: var(--grad-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: border-color var(--dur-mid) var(--ease-out);
}
.techstack__group:hover { border-color: rgba(110,92,255,0.3); }

.techstack__group-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.38);
  margin-bottom: var(--sp-4);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.techstack__group-label::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 8px var(--c-accent-glow);
}

.techstack__tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: rgba(255,255,255,0.02);
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.72);
  transition:
    border-color var(--dur-mid) var(--ease-out),
    background var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-spring),
    box-shadow var(--dur-mid) var(--ease-out);
}
.tech-tag:hover {
  border-color: rgba(110,92,255,0.45);
  background: var(--c-accent-soft);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -10px var(--c-accent-glow);
}
.tech-tag i { font-size: 1.05rem; line-height: 1; }

/* ══════════════ CLIENTS / INDUSTRIES ══════════════ */
.clients {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
}
.clients__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  text-align: center;
  margin-bottom: var(--sp-8);
}
.clients__track-wrap {
  position: relative;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
  mask-image: linear-gradient(to right, transparent, black 12%, black 88%, transparent);
}
.clients__track {
  display: inline-flex;
  align-items: center;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  white-space: nowrap;
  animation: marqueeMove 36s linear infinite;
  will-change: transform;
}
.client-logo {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.22);
  transition: color 0.4s var(--ease-out), -webkit-text-stroke-color 0.4s var(--ease-out);
}
.client-logo:hover {
  color: rgba(110,92,255,0.85);
  -webkit-text-stroke-color: transparent;
}

/* ══════════════ RESPONSIVE ══════════════ */
@media (max-width: 1024px) {
  .advantages__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .techstack__groups { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .advantages__grid { grid-template-columns: 1fr; }
}