/* ==========================================================================
   Rivera House — Portafolio (colecciones + explorador con filtros)
   ========================================================================== */

.portafolio-hp {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 40;
  width: clamp(220px,20vw,320px);
  aspect-ratio: 4/5;
  border-radius: 4px;
  overflow: hidden;
  pointer-events: none;
  transform: scale(0);
  background: #E1E1E1;
  box-shadow: 0 30px 80px rgba(21,42,69,.25);
}

.portafolio-hp-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.18);
  transition: opacity .6s ease,transform 1.1s cubic-bezier(.16,1,.3,1);
}

.portafolio-section {
  min-height: 88vh;
  box-sizing: border-box;
  padding: clamp(120px,19vh,200px) clamp(20px,5vw,80px) clamp(48px,8vh,90px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 56px;
}

.portafolio-div {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font: 500 11px/1.4 Montserrat,sans-serif;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: #4A4A4A;
}

.portafolio-span {
  opacity: 0;
  transform: translateY(16px);
}

.portafolio-hero-title {
  margin: 0;
  font: 400 clamp(56px,12.6vw,230px)/.94 'Playfair Display',Georgia,serif;
  letter-spacing: -.035em;
  color: #1F3A5F;
}

.portafolio-span-2 {
  display: block;
  overflow: hidden;
  padding-bottom: .06em;
}

.portafolio-span-3 {
  display: block;
  transform: translateY(110%);
}

.portafolio-span-4 {
  display: block;
  overflow: hidden;
  padding: 0 0 .08em clamp(24px,14vw,260px);
}

.portafolio-em {
  font-style: italic;
}

.portafolio-div-2 {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  flex-wrap: wrap;
}

.portafolio-div-3 {
  display: flex;
  gap: clamp(28px,4vw,64px);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(24px);
}

.portafolio-div-4 {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.portafolio-span-5 {
  font: 400 clamp(40px,4vw,64px)/1 'Playfair Display',Georgia,serif;
  color: #1F3A5F;
}

.portafolio-span-6 {
  font: 500 11px/1.4 Montserrat,sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.portafolio-span-7 {
  font: italic 400 clamp(40px,4vw,64px)/1 'Playfair Display',Georgia,serif;
  color: #1F3A5F;
}

.portafolio-div-5 {
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateY(24px);
}

.portafolio-p {
  margin: 0;
  font: 300 clamp(15px,1.15vw,18px)/1.7 Montserrat,sans-serif;
  color: #4A4A4A;
  text-wrap: pretty;
}

.portafolio-div-6 {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.portafolio-a {
  font: 500 12px/1 Montserrat,sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #1F3A5F;
  padding-bottom: 8px;
  border-bottom: 1px solid #1F3A5F;
}

.portafolio-section-2 {
  padding: clamp(80px,14vh,160px) clamp(20px,5vw,80px);
  display: flex;
  flex-direction: column;
  gap: clamp(40px,7vh,80px);
}

.portafolio-div-7 {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.portafolio-h2 {
  margin: 0;
  font: 400 clamp(44px,7vw,124px)/.98 'Playfair Display',Georgia,serif;
  letter-spacing: -.03em;
  color: #1F3A5F;
}

.portafolio-span-8 {
  display: block;
  overflow: hidden;
  padding-bottom: .08em;
}

.portafolio-p-2 {
  margin: 0;
  max-width: 380px;
  font: 300 clamp(14px,1.05vw,17px)/1.7 Montserrat,sans-serif;
  color: #4A4A4A;
  opacity: 0;
  transform: translateY(20px);
}

.portafolio-div-8 {
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(40px);
}

.portafolio-div-9 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(12px,3vw,48px);
  padding: clamp(18px,3vh,34px) 0;
  border-top: 1px solid rgba(31,58,95,.16);
}

.portafolio-hp-row {
  flex: 1 1 420px;
  display: flex;
  align-items: baseline;
  gap: clamp(16px,3vw,48px);
  min-width: 0;
}

.portafolio-span-9 {
  flex: none;
  width: 40px;
  font: 500 12px/1 Montserrat,sans-serif;
  letter-spacing: .16em;
  color: #4A4A4A;
}

.portafolio-row-title {
  font: 400 clamp(34px,5.6vw,96px)/1.02 'Playfair Display',Georgia,serif;
  letter-spacing: -.02em;
  color: #1F3A5F;
  transition: transform .9s cubic-bezier(.16,1,.3,1);
}

.portafolio-div-10 {
  display: flex;
  align-items: center;
  gap: clamp(18px,2.6vw,40px);
  flex-wrap: wrap;
  font: 500 11px/1.4 Montserrat,sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #1F3A5F;
}

.portafolio-span-10 {
  color: #4A4A4A;
}

.portafolio-a-2 {
  padding-bottom: 4px;
  border-bottom: 1px solid #1F3A5F;
}

.portafolio-explorer {
  padding: clamp(60px,10vh,120px) 0 clamp(100px,16vh,180px);
  display: flex;
  flex-direction: column;
  gap: clamp(28px,5vh,56px);
}

.portafolio-div-11 {
  padding: 0 clamp(20px,5vw,80px);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  flex-wrap: wrap;
}

.portafolio-h2-2 {
  margin: 0;
  font: 400 clamp(40px,6vw,108px)/.98 'Playfair Display',Georgia,serif;
  letter-spacing: -.03em;
  color: #1F3A5F;
}

.portafolio-count {
  font: 400 clamp(22px,2vw,32px)/1 'Playfair Display',Georgia,serif;
  color: #1F3A5F;
}

.portafolio-div-12 {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(243,243,243,.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  padding: clamp(76px,10vh,96px) clamp(20px,5vw,80px) 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.portafolio-div-13 {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.portafolio-span-11 {
  flex: none;
  width: 92px;
  font: 500 10px/1 Montserrat,sans-serif;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: #4A4A4A;
}

.portafolio-div-14 {
  padding: 0 clamp(20px,5vw,80px);
}

.portafolio-pcard {
  padding: clamp(60px,12vh,140px) 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 22px;
  max-width: 720px;
}

.portafolio-empty-kicker {
  font: 500 11px/1.4 Montserrat,sans-serif;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: #4A4A4A;
}

.portafolio-empty-title {
  margin: 0;
  font: 400 clamp(32px,4vw,64px)/1.08 'Playfair Display',Georgia,serif;
  color: #1F3A5F;
  text-wrap: balance;
}

.portafolio-empty-text {
  margin: 0;
  font: 300 16px/1.7 Montserrat,sans-serif;
  color: #4A4A4A;
}

.portafolio-reset {
  border: 0;
  background: transparent;
  padding: 0 0 8px;
  border-bottom: 1px solid #1F3A5F;
  color: #1F3A5F;
  font: 500 12px/1 Montserrat,sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  cursor: pointer;
}

.portafolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(min(260px,100%),1fr));
  gap: clamp(36px,5vh,64px) clamp(16px,2vw,32px);
}

.portafolio-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.portafolio-a-3 {
  position: relative;
  display: block;
  aspect-ratio: 4/5;
  overflow: hidden;
  border-radius: 4px;
  background: #E1E1E1;
}

.portafolio-zoom {
  position: absolute;
  inset: 0;
  transition: transform 1.3s cubic-bezier(.16,1,.3,1);
}

.portafolio-img {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  background: rgba(127,127,127,.08);
}

.portafolio-span-12 {
  position: absolute;
  left: 12px;
  top: 12px;
  padding: 7px 11px;
  border-radius: 999px;
  background: #FFFFFF;
  color: #1F3A5F;
  font: 500 10px/1 Montserrat,sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
  pointer-events: none;
}

.portafolio-div-15 {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.portafolio-span-13 {
  font: 500 11px/1.4 Montserrat,sans-serif;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: #4A4A4A;
}

.portafolio-a-4 {
  font: 400 clamp(24px,1.9vw,30px)/1.1 'Playfair Display',Georgia,serif;
  color: #1F3A5F;
}

.portafolio-div-16 {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font: 500 11px/1.4 Montserrat,sans-serif;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #1F3A5F;
}

/* --- Chips de filtro (colección / tipo) --- */
.chip-filter {
  flex: none;
  font: 500 11px/1 Montserrat, sans-serif;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding: 12px 18px;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(31, 58, 95, .25);
  background: transparent;
  color: #1F3A5F;
  cursor: pointer;
  white-space: nowrap;
  transition: background .45s ease, color .45s ease, border-color .45s ease;
}
.chip-filter.is-on {
  border-color: #1F3A5F;
  background: #1F3A5F;
  color: #FFFFFF;
}