.rg-portfolio {
  background: var(--c-bg);
  padding: clamp(72px, 10vw, 110px) 0;
}

.rg-portfolio .container {
  display: flex;
  flex-direction: column;
  gap: clamp(40px, 6vw, 64px);
}

/* Centered header (reference-style) */
.rg-portfolio__head {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.rg-portfolio__head h2 {
  font-size: clamp(1.85rem, 4.2vw, 2.85rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--c-ink);
}

.rg-portfolio__head h2 .accent {
  background: linear-gradient(135deg, var(--c-green-deep) 0%, var(--c-green-link) 45%, var(--c-green) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.rg-portfolio__head p {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--c-muted);
  max-width: 52ch;
}

/* 2-column card grid */
.rg-portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 28px);
}

@media (min-width: 768px) {
  .rg-portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Card shell */
.rg-portfolio__card {
  position: relative;
  display: block;
  border-radius: 28px;
  overflow: hidden;
  aspect-ratio: 4 / 3.2;
  min-height: 320px;
  background: #14101f;
  isolation: isolate;
  box-shadow: 0 20px 50px rgba(26, 11, 46, 0.12);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease);
}

.rg-portfolio__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 60px rgba(61, 21, 120, 0.22);
}

/* Background scene + mockup image */
.rg-portfolio__scene {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.rg-portfolio__scene::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(61, 21, 120, 0.35), transparent 70%),
    linear-gradient(180deg, rgba(20, 16, 31, 0.15) 0%, rgba(20, 16, 31, 0.55) 100%);
  pointer-events: none;
  transition: opacity 0.45s var(--ease);
}

.rg-portfolio__scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.65s var(--ease), filter 0.45s var(--ease);
}

.rg-portfolio__card:hover .rg-portfolio__scene img {
  transform: scale(1.06);
  filter: blur(7px) brightness(0.35);
}

/* Project name — top-right (default state) */
.rg-portfolio__brand {
  position: absolute;
  top: 22px;
  right: 24px;
  z-index: 2;
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.45);
  max-width: 55%;
  text-align: right;
  line-height: 1.2;
  transition: opacity 0.35s var(--ease);
}

.rg-portfolio__card:hover .rg-portfolio__brand {
  opacity: 0.15;
}

/* Hover overlay panel */
.rg-portfolio__hover {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 28px;
  text-align: center;
  opacity: 0;
  transition: opacity 0.4s var(--ease);
}

.rg-portfolio__card:hover .rg-portfolio__hover,
.rg-portfolio__card:focus-visible .rg-portfolio__hover {
  opacity: 1;
}

/* Arrow icon circle */
.rg-portfolio__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #fff;
  color: var(--c-ink);
  display: grid;
  place-items: center;
  font-size: 22px;
  line-height: 1;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transform: translateY(12px);
  transition: transform 0.4s var(--ease);
}

.rg-portfolio__card:hover .rg-portfolio__icon {
  transform: translateY(0);
}

/* Title on hover */
.rg-portfolio__hover h3 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #fff;
  line-height: 1.1;
  transform: translateY(16px);
  transition: transform 0.45s var(--ease) 0.04s;
}

.rg-portfolio__card:hover .rg-portfolio__hover h3 {
  transform: translateY(0);
}

/* Category pill — purple/magenta gradient */
.rg-portfolio__tag {
  display: inline-block;
  padding: 10px 22px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(90deg, var(--c-green-deep) 0%, var(--c-green-link) 50%, var(--c-green) 100%);
  box-shadow: 0 8px 24px rgba(233, 30, 140, 0.35);
  transform: translateY(20px);
  transition: transform 0.45s var(--ease) 0.08s;
}

.rg-portfolio__card:hover .rg-portfolio__tag {
  transform: translateY(0);
}

/* Footer CTA row */
.rg-portfolio__foot {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

/* Touch devices: show hover state on active tap */
@media (hover: none) {
  .rg-portfolio__card:active .rg-portfolio__hover {
    opacity: 1;
  }
  .rg-portfolio__card:active .rg-portfolio__scene img {
    filter: blur(5px) brightness(0.4);
  }
  .rg-portfolio__card:active .rg-portfolio__brand {
    opacity: 0.15;
  }
  .rg-portfolio__card:active .rg-portfolio__icon,
  .rg-portfolio__card:active .rg-portfolio__hover h3,
  .rg-portfolio__card:active .rg-portfolio__tag {
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .rg-portfolio__card,
  .rg-portfolio__scene img,
  .rg-portfolio__hover,
  .rg-portfolio__icon,
  .rg-portfolio__hover h3,
  .rg-portfolio__tag,
  .rg-portfolio__brand {
    transition: none;
  }
  .rg-portfolio__card:hover .rg-portfolio__scene img {
    filter: brightness(0.45);
    transform: none;
  }
}

@media (max-width: 767px) {
  .rg-portfolio__card {
    aspect-ratio: 1 / 0.92;
    min-height: 280px;
    border-radius: 22px;
  }
  .rg-portfolio__brand {
    top: 16px;
    right: 16px;
    font-size: 1.05rem;
  }
}