/* ============================================================
   VỀ CHÚNG TÔI PAGE
   ============================================================ */

/* ---- Hero section ---- */

.vct-hero {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
  padding-block: var(--space-2xl) 0;
  perspective: 1200px;
}

.vct-hero__glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.vct-hero__glow--tr {
  width: 420px;
  height: 420px;
  top: -140px;
  right: 4%;
  background: radial-gradient(circle, rgba(196, 30, 58, 0.10), rgba(196, 30, 58, 0) 70%);
}

.vct-hero__glow--bl {
  width: 340px;
  height: 340px;
  bottom: -80px;
  left: 2%;
  background: radial-gradient(circle, rgba(196, 30, 58, 0.08), rgba(196, 30, 58, 0) 70%);
}

.vct-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  transform-style: preserve-3d;
  will-change: transform;
}

@media (max-width: 900px) {
  .vct-hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* ---- Copy column ---- */

.vct-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  border: 1.5px solid rgba(196, 30, 58, 0.4);
  color: var(--color-accent);
  border-radius: 999px;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-meta);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  opacity: 0;
  animation: vct-rise var(--duration-enter) var(--ease-out) both;
}

.vct-hero__title {
  display: block;
  margin-top: var(--space-lg);
  font-family: 'Unbounded', sans-serif;
  font-weight: 800;
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.vct-hero__line {
  display: block;
  opacity: 0;
  animation: vct-rise var(--duration-enter) var(--ease-out) both;
}

.vct-hero__line:nth-child(2) {
  margin-top: var(--space-xs);
  animation-delay: 120ms;
}

.vct-hero__highlight {
  display: inline-block;
  color: var(--color-accent);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.vct-hero__cta {
  margin-top: var(--space-xl);
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  background: var(--color-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--text-nav);
  padding: var(--space-md) var(--space-xl);
  border-radius: 999px;
  text-decoration: none;
  opacity: 0;
  animation: vct-rise var(--duration-enter) var(--ease-out) 220ms both;
  transition:
    background var(--duration-fast) var(--ease-in-out),
    transform var(--duration-fast) var(--ease-in-out);
}

.vct-hero__cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.vct-hero__cta-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---- Visual column ---- */

.vct-hero__visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  opacity: 0;
  animation: vct-rise var(--duration-enter) var(--ease-out) 160ms both;
}

.vct-hero__logo {
  position: relative;
  z-index: 2;
  width: clamp(240px, 26vw, 380px);
  height: auto;
  filter: drop-shadow(0 24px 32px rgba(160, 23, 41, 0.22));
  animation: vct-float 7s var(--ease-in-out) infinite;
}

.vct-shape {
  position: absolute;
  pointer-events: none;
}

.vct-shape--corner {
  top: 6%;
  left: 4%;
  width: 54px;
  height: 54px;
  border: 4px solid rgba(196, 30, 58, 0.35);
  border-radius: 50%;
  animation: vct-float-alt 7s var(--ease-in-out) infinite;
}

.vct-shape--ring {
  top: 8%;
  right: 12%;
  width: 70px;
  height: 70px;
  border: 3px dashed rgba(196, 30, 58, 0.35);
  border-radius: 50%;
  animation: vct-spin 18s linear infinite;
}

.vct-shape--sparkle {
  bottom: 10%;
  left: 8%;
  width: 34px;
  height: 34px;
  background: var(--color-accent);
  clip-path: polygon(50% 0%, 61% 39%, 100% 50%, 61% 61%, 50% 100%, 39% 61%, 0% 50%, 39% 39%);
  animation: vct-twinkle 3.2s var(--ease-in-out) infinite;
}

.vct-shape--dot {
  bottom: 22%;
  right: 6%;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: var(--color-accent);
  animation: vct-float-alt 6.5s var(--ease-in-out) 0.6s infinite;
}

@media (max-width: 900px) {
  .vct-hero__visual {
    min-height: 220px;
  }

  .vct-shape {
    display: none;
  }
}

/* ---- Keyframes ---- */

@keyframes vct-rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes vct-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-18px);
  }
}

@keyframes vct-float-alt {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(14px);
  }
}

@keyframes vct-spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes vct-twinkle {

  0%,
  100% {
    opacity: 0.4;
    transform: translateY(0) scale(0.75) rotate(0deg);
  }

  50% {
    opacity: 1;
    transform: translateY(14px) scale(1.15) rotate(20deg);
  }
}