/* STUDIO19.03 — портфолио v2: пары по ориентации */

.s1903-portfolio-page {
  background: var(--s1903-bg);
}

/* Hero */
.s1903-portfolio-hero {
  position: relative;
  min-height: 75vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .s1903-portfolio-hero {
    min-height: 92vh;
    max-height: 1080px;
  }
}

.s1903-portfolio-hero__media {
  position: absolute;
  inset: 0;
}

.s1903-portfolio-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.s1903-portfolio-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.15) 45%,
    rgba(0, 0, 0, 0.05) 100%
  );
  pointer-events: none;
}

.s1903-portfolio-hero__content {
  position: relative;
  z-index: 1;
  padding-top: clamp(120px, 18vh, 200px);
  padding-bottom: clamp(48px, 8vh, 96px);
  max-width: 900px;
}

.s1903-portfolio-hero__title {
  margin: 0 0 1rem;
  font-family: var(--s1903-font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #fff;
}

.s1903-portfolio-hero__subtitle {
  margin: 0;
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.85);
  max-width: 36ch;
}

/* Feed — журнальная сетка: 3 → 2 → 3 … */
.s1903-portfolio-feed {
  padding-top: clamp(64px, 8vw, 96px);
  padding-bottom: clamp(64px, 8vw, 96px);
}

.s1903-portfolio-feed--magazine {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 5vh, 64px);
}

.s1903-portfolio-feed__trio,
.s1903-portfolio-feed__duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 3vw, 20px);
}

.s1903-portfolio-feed--grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(16px, 2vw, 24px);
}

.s1903-portfolio-feed--grid .s1903-portfolio-item__img {
  object-fit: cover;
}

.s1903-portfolio-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 2.5vw, 32px);
  align-items: start;
}

.s1903-portfolio-row--featured {
  grid-template-columns: 1fr;
}

.s1903-portfolio-row--detail {
  grid-template-columns: 1fr;
}

.s1903-portfolio-item__media--landscape {
  aspect-ratio: 16 / 10;
}

.s1903-portfolio-item__media--portrait {
  aspect-ratio: 4 / 5;
}

.s1903-portfolio-item__media--featured {
  aspect-ratio: 16 / 9;
}

.s1903-portfolio-item__media--detail {
  aspect-ratio: 5 / 3;
}

.s1903-portfolio-item {
  margin: 0;
}

.s1903-portfolio-item__link {
  display: block;
  text-decoration: none;
  color: inherit;
  outline: none;
}

.s1903-portfolio-item__media {
  position: relative;
  overflow: hidden;
  background: var(--s1903-bg-secondary, #f5f3f0);
}

.s1903-portfolio-item__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.s1903-portfolio-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.65) 0%,
    rgba(0, 0, 0, 0.2) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.s1903-portfolio-item__overlay-inner {
  transform: translateY(8px);
  transition: transform 0.45s ease;
}

.s1903-portfolio-item__title {
  margin: 0 0 0.35em;
  font-family: var(--s1903-font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 500;
  color: #fff;
}

.s1903-portfolio-item__meta {
  margin: 0 0 0.75em;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

.s1903-portfolio-item__more {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  padding-bottom: 2px;
}

@media (hover: hover) {
  .s1903-portfolio-item__link:hover .s1903-portfolio-item__overlay,
  .s1903-portfolio-item__link:focus-visible .s1903-portfolio-item__overlay {
    opacity: 1;
  }

  .s1903-portfolio-item__link:hover .s1903-portfolio-item__overlay-inner,
  .s1903-portfolio-item__link:focus-visible .s1903-portfolio-item__overlay-inner {
    transform: translateY(0);
  }

  .s1903-portfolio-item__link:hover .s1903-portfolio-item__img,
  .s1903-portfolio-item__link:focus-visible .s1903-portfolio-item__img {
    transform: scale(1.02);
  }

  .s1903-portfolio-item__link:hover .s1903-portfolio-item__media::after,
  .s1903-portfolio-item__link:focus-visible .s1903-portfolio-item__media::after {
    opacity: 1;
  }
}

.s1903-portfolio-item__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.12);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

/* Touch: overlay always visible */
@media (hover: none) {
  .s1903-portfolio-item__overlay {
    opacity: 1;
    background: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.55) 0%,
      transparent 55%
    );
  }

  .s1903-portfolio-item__overlay-inner {
    transform: translateY(0);
  }
}

/* CTA */
.s1903-portfolio-cta--visual {
  position: relative;
  min-height: clamp(420px, 55vh, 640px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.s1903-portfolio-cta__media {
  position: absolute;
  inset: 0;
}

.s1903-portfolio-cta__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.s1903-portfolio-cta__scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.s1903-portfolio-cta__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: clamp(48px, 8vw, 80px) var(--s1903-gutter, 24px);
  max-width: 720px;
}

.s1903-portfolio-cta__title {
  margin: 0 0 2rem;
  font-family: var(--s1903-font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 500;
  line-height: 1.3;
  color: #fff;
}

.s1903-portfolio-cta--visual .s1903-btn {
  background: #fff;
  color: var(--s1903-text, #1a1a1a);
  border-color: #fff;
}

.s1903-portfolio-cta--visual .s1903-btn:hover {
  background: transparent;
  color: #fff;
}

/* Mobile */
@media (max-width: 1023px) {
  .s1903-portfolio-feed--magazine {
    gap: clamp(20px, 4vh, 40px);
  }
}

@media (min-width: 1024px) {
  .s1903-portfolio-feed--magazine {
    gap: clamp(48px, 8vh, 96px);
  }

  .s1903-portfolio-feed__trio {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    max-width: 1200px;
    margin-inline: auto;
    width: 100%;
  }

  .s1903-portfolio-feed__duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    max-width: 900px;
    margin-inline: auto;
    width: 100%;
  }
}

@media (max-width: 1024px) {
  .s1903-portfolio-feed--grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .s1903-portfolio-row {
    grid-template-columns: 1fr;
  }

  .s1903-portfolio-feed--grid {
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(10px, 2.5vw, 16px);
  }

  .s1903-portfolio-hero {
    min-height: 70vh;
  }
}

@media (max-width: 480px) {
  .s1903-portfolio-feed--grid {
    grid-template-columns: 1fr;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .s1903-portfolio-item__img,
  .s1903-portfolio-item__overlay,
  .s1903-portfolio-item__overlay-inner {
    transition: none;
  }

  .s1903-portfolio-item__link:hover .s1903-portfolio-item__img,
  .s1903-portfolio-item__link:focus-visible .s1903-portfolio-item__img {
    transform: none;
  }
}