.portfolio-section {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 92px;
  background:
    linear-gradient(180deg, #ffffff 0%, #fbfbfd 42%, #ffffff 100%);
  color: #111111;
  padding: clamp(54px, 5.6vw, 74px) 0 clamp(58px, 5.8vw, 78px);
}

.portfolio-section::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, rgba(226, 232, 240, 0), rgba(226, 232, 240, 0.95), rgba(226, 232, 240, 0));
}

.portfolio-shell {
  max-width: 1240px;
}

.portfolio-heading {
  max-width: 980px;
  margin: 0 auto clamp(28px, 3.8vw, 42px);
  text-align: center;
}

.portfolio-title-nowrap {
  white-space: nowrap;
  letter-spacing: 0;
}

.portfolio-showcase,
.portfolio-carousel {
  --project-accent: #6d28d9;
  --project-accent-soft: rgba(109, 40, 217, 0.1);
  --project-accent-glow: rgba(109, 40, 217, 0.14);
  position: relative;
  isolation: isolate;
}

.portfolio-mockup-grid {
  position: relative;
  width: min(100%, 1120px);
  height: clamp(600px, 47vw, 640px);
  margin: 0 auto;
  overflow: hidden;
  isolation: isolate;
  touch-action: pan-y;
  overscroll-behavior-x: contain;
}

.portfolio-mockup-card {
  position: absolute;
  top: 0;
  left: 50%;
  display: grid;
  justify-items: center;
  gap: 18px;
  width: clamp(240px, 26vw, 326px);
  min-width: 0;
  opacity: 0;
  transform: translate3d(-50%, 46px, 0) scale(0.7);
  transform-origin: 50% 78%;
  transition:
    opacity 0.82s ease,
    filter 0.82s ease,
    transform 0.82s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, filter, transform;
}

.portfolio-mockup-figure {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  height: clamp(510px, 40vw, 536px);
  margin: 0;
  isolation: isolate;
  pointer-events: none;
}

.portfolio-mockup-glow {
  position: absolute;
  left: 50%;
  bottom: 12%;
  z-index: -1;
  width: min(310px, 82%);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--project-accent-glow) 0%, var(--project-accent-soft) 42%, rgba(255, 255, 255, 0) 72%);
  filter: blur(18px);
  opacity: 0.72;
  transform: translateX(-50%);
}

.portfolio-mockup-title {
  margin: 0;
  color: #062249;
  font-size: clamp(1.15rem, 1.8vw, 1.45rem);
  font-weight: 900;
  line-height: 1.1;
  text-align: center;
  transition: color 0.82s ease, opacity 0.82s ease, transform 0.82s ease;
}

.portfolio-mockup-copy {
  display: grid;
  justify-items: center;
  gap: 6px;
  min-height: 54px;
  text-align: center;
}

.portfolio-mockup-subtitle {
  margin: 0;
  color: #64748b;
  font-size: clamp(0.82rem, 1vw, 0.95rem);
  font-weight: 700;
  line-height: 1.2;
  transition: color 0.82s ease, opacity 0.82s ease, transform 0.82s ease;
}

.portfolio-mockup-card .portfolio-phone--mockup {
  width: min(100%, 296px);
  transform: none;
  transform-origin: 50% 78%;
}

.portfolio-mockup-card.is-left {
  z-index: 1;
  opacity: 0.44;
  filter: blur(2.4px) saturate(0.82);
  transform: translate3d(calc(-50% + clamp(-390px, -31vw, -260px)), 64px, 0) scale(0.76) rotate(-10deg);
}

.portfolio-mockup-card.is-center {
  z-index: 3;
  opacity: 1;
  filter: blur(0) saturate(1.06);
  transform: translate3d(-50%, 0, 0) scale(1) rotate(-1deg);
}

.portfolio-mockup-card.is-center .portfolio-phone--mockup {
  width: min(100%, 326px);
}

.portfolio-mockup-card.is-center .portfolio-mockup-title {
  color: var(--project-accent);
  opacity: 1;
  transform: translateY(-2px);
}

.portfolio-mockup-card.is-center .portfolio-mockup-subtitle {
  color: #334155;
  opacity: 1;
  transform: translateY(-2px);
}

.portfolio-mockup-card.is-right {
  z-index: 1;
  opacity: 0.44;
  filter: blur(2.4px) saturate(0.82);
  transform: translate3d(calc(-50% + clamp(260px, 31vw, 390px)), 64px, 0) scale(0.76) rotate(10deg);
}

.portfolio-mockup-card.is-hidden {
  z-index: 0;
  opacity: 0;
  filter: blur(4px) saturate(0.7);
  transform: translate3d(calc(-50% + min(56vw, 560px)), 96px, 0) scale(0.66) rotate(12deg);
  pointer-events: none;
}

.portfolio-mockup-card.is-exiting {
  z-index: 0;
  opacity: 0;
  filter: blur(4px) saturate(0.7);
  transform: translate3d(calc(-50% - min(56vw, 560px)), 96px, 0) scale(0.66) rotate(-12deg);
  pointer-events: none;
}

.portfolio-mockup-card.is-no-transition {
  transition: none;
}

.portfolio-slide {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: opacity 0.26s ease, transform 0.26s ease;
}

.portfolio-slide.is-switching {
  opacity: 0;
  transform: translate3d(0, 12px, 0);
}

.portfolio-project {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(330px, 1.1fr);
  align-items: center;
  gap: clamp(36px, 5.4vw, 72px);
}

.portfolio-copy {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: center;
  min-width: 0;
  max-width: 520px;
}

.portfolio-client-slot {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
}

.portfolio-client-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: 8px;
  filter: drop-shadow(0 12px 22px rgba(15, 23, 42, 0.1));
}

.portfolio-client-logo-empty {
  display: none;
}

.portfolio-brand {
  display: flex;
  align-items: center;
  min-height: 0;
}

.portfolio-project-logo {
  width: min(218px, 64vw);
  height: auto;
  object-fit: contain;
}

.portfolio-project-title {
  color: #111827;
  font-size: clamp(2.7rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 0.98;
}

.portfolio-accent {
  display: block;
  width: 44px;
  height: 4px;
  margin-top: 20px;
  border-radius: 999px;
  background: var(--project-accent);
  box-shadow: 0 8px 22px var(--project-accent-soft);
}

.portfolio-description {
  max-width: 520px;
  margin-top: 22px;
  color: #334155;
  font-size: clamp(1.04rem, 1.25vw, 1.22rem);
  font-weight: 450;
  line-height: 1.56;
}

.portfolio-features {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
  margin-top: clamp(26px, 3vw, 34px);
}

.portfolio-feature {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0;
  color: #1f2937;
  font-size: 0.95rem;
  font-weight: 680;
  line-height: 1.2;
  white-space: nowrap;
}

.portfolio-feature:not(:first-child) {
  border-left: 0;
}

.portfolio-feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--project-accent-soft);
  color: var(--project-accent);
}

.portfolio-feature-icon svg {
  width: 18px;
  height: 18px;
}

.portfolio-visual {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 0;
  pointer-events: none;
}

.portfolio-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  width: min(430px, 78%);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 48%, var(--project-accent-glow) 0%, var(--project-accent-soft) 38%, rgba(255, 255, 255, 0) 70%);
  filter: blur(16px);
  opacity: 0.68;
  transform: translate3d(-50%, -50%, 0);
}

.portfolio-phone {
  position: relative;
  width: clamp(282px, 29vw, 384px);
  aspect-ratio: 232 / 508;
  margin-right: clamp(-22px, -2vw, 0px);
  transform: translate3d(clamp(0px, 4vw, 52px), 0, 0) rotate(-1.4deg);
}

.portfolio-phone::after {
  content: "";
  position: absolute;
  right: 12%;
  bottom: -4%;
  left: 14%;
  z-index: -1;
  height: 18%;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.2);
  filter: blur(20px);
}

.portfolio-phone-image {
  width: 100%;
  height: 100%;
  border-radius: clamp(34px, 3.6vw, 52px);
  background: #06070d;
  object-fit: cover;
  box-shadow:
    0 42px 82px rgba(15, 23, 42, 0.2),
    0 16px 36px rgba(109, 40, 217, 0.12);
}

.portfolio-phone--mockup {
  width: clamp(320px, 24vw, 360px);
  aspect-ratio: 1024 / 1536;
  margin-right: 0;
  transform: rotate(-1.4deg);
}

.portfolio-phone--mockup::after {
  right: 12%;
  bottom: 1%;
  left: 10%;
  height: 12%;
  background: rgba(15, 23, 42, 0.18);
  filter: blur(18px);
}

.portfolio-phone--mockup .portfolio-phone-image {
  height: auto;
  border-radius: 0;
  background: transparent;
  object-fit: contain;
  box-shadow: none;
  filter:
    drop-shadow(0 28px 48px rgba(15, 23, 42, 0.18))
    drop-shadow(0 10px 26px rgba(109, 40, 217, 0.12));
}

.portfolio-phone-picture {
  display: block;
  width: 100%;
}

.portfolio-phone-placeholder {
  width: 100%;
  height: 100%;
  border: 1px dashed rgba(109, 40, 217, 0.34);
  border-radius: clamp(34px, 3.6vw, 52px);
  background:
    linear-gradient(180deg, rgba(109, 40, 217, 0.08), rgba(109, 40, 217, 0.02)),
    #ffffff;
}

.portfolio-controls {
  position: static;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: clamp(16px, 2vw, 24px);
  pointer-events: auto;
}

.portfolio-dots,
.portfolio-arrow {
  pointer-events: auto;
}

.portfolio-dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 44px;
}

.portfolio-dot {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--project-accent);
  transition: transform 0.2s ease;
}

.portfolio-dot::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: inherit;
  background: #d9dbe6;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.portfolio-dot.is-active::before {
  background: var(--project-accent);
  box-shadow: 0 0 0 5px var(--project-accent-soft);
  transform: scale(1.02);
}

.portfolio-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(226, 232, 240, 0.94);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: #062249;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.portfolio-arrow:hover,
.portfolio-arrow:focus-visible {
  border-color: var(--project-accent);
  color: var(--project-accent);
  box-shadow: 0 16px 34px rgba(15, 23, 42, 0.12);
  transform: translateY(-1px);
}

.portfolio-arrow[hidden] {
  display: none;
}

.portfolio-arrow svg {
  width: 19px;
  height: 19px;
}

@media (max-width: 1180px) {
  .portfolio-mockup-grid {
    height: 532px;
  }

  .portfolio-mockup-figure {
    height: 444px;
  }

  .portfolio-mockup-card {
    width: clamp(220px, 27vw, 282px);
  }

  .portfolio-mockup-card .portfolio-phone--mockup {
    width: min(100%, 252px);
  }

  .portfolio-mockup-card.is-center .portfolio-phone--mockup {
    width: min(100%, 282px);
  }

  .portfolio-mockup-card.is-left {
    transform: translate3d(calc(-50% + clamp(-300px, -31vw, -214px)), 52px, 0) scale(0.76) rotate(-10deg);
  }

  .portfolio-mockup-card.is-right {
    transform: translate3d(calc(-50% + clamp(214px, 31vw, 300px)), 52px, 0) scale(0.76) rotate(10deg);
  }

  .portfolio-mockup-card.is-hidden {
    transform: translate3d(calc(-50% + min(58vw, 480px)), 78px, 0) scale(0.66) rotate(12deg);
  }

  .portfolio-mockup-card.is-exiting {
    transform: translate3d(calc(-50% - min(58vw, 480px)), 78px, 0) scale(0.66) rotate(-12deg);
  }

  .portfolio-project {
    grid-template-columns: minmax(0, 0.92fr) minmax(300px, 1.08fr);
    gap: 34px;
  }

  .portfolio-project-logo {
    width: min(198px, 56vw);
  }

  .portfolio-features {
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .portfolio-feature {
    font-size: 0.9rem;
  }

  .portfolio-phone--mockup {
    width: clamp(292px, 28vw, 332px);
  }
}

@media (max-width: 900px) {
  .portfolio-title-nowrap {
    font-size: 2.28rem;
  }

  .portfolio-mockup-grid {
    width: min(100%, 760px);
    height: 466px;
  }

  .portfolio-mockup-figure {
    height: 382px;
  }

  .portfolio-mockup-card {
    width: clamp(190px, 29vw, 238px);
  }

  .portfolio-mockup-card .portfolio-phone--mockup {
    width: min(100%, 210px);
  }

  .portfolio-mockup-card.is-center .portfolio-phone--mockup {
    width: min(100%, 238px);
  }

  .portfolio-mockup-card.is-left {
    transform: translate3d(calc(-50% + clamp(-220px, -31vw, -154px)), 42px, 0) scale(0.74) rotate(-9deg);
  }

  .portfolio-mockup-card.is-right {
    transform: translate3d(calc(-50% + clamp(154px, 31vw, 220px)), 42px, 0) scale(0.74) rotate(9deg);
  }

  .portfolio-mockup-card.is-hidden {
    transform: translate3d(calc(-50% + min(60vw, 390px)), 70px, 0) scale(0.62) rotate(11deg);
  }

  .portfolio-mockup-card.is-exiting {
    transform: translate3d(calc(-50% - min(60vw, 390px)), 70px, 0) scale(0.62) rotate(-11deg);
  }

  .portfolio-project {
    grid-template-columns: 1fr;
    min-height: auto;
    gap: 32px;
    text-align: center;
  }

  .portfolio-heading {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
  }

  .portfolio-copy {
    margin-inline: auto;
  }

  .portfolio-client-slot,
  .portfolio-brand {
    justify-content: center;
  }

  .portfolio-brand {
    margin-top: 0;
  }

  .portfolio-accent {
    margin-right: auto;
    margin-left: auto;
  }

  .portfolio-features {
    justify-content: center;
  }

  .portfolio-visual {
    justify-content: center;
    min-height: 0;
  }

  .portfolio-glow {
    left: 50%;
    width: min(360px, 72vw);
    opacity: 0.58;
    transform: translate3d(-50%, -50%, 0);
  }

  .portfolio-phone {
    width: clamp(266px, 48vw, 350px);
    margin-right: 0;
    transform: rotate(-1deg);
  }

  .portfolio-phone--mockup {
    width: min(350px, 62vw);
    transform: rotate(-1.2deg);
  }

  .portfolio-controls {
    margin-top: 20px;
  }
}

@media (max-width: 640px) {
  .portfolio-section {
    padding: 52px 0 62px;
    scroll-margin-top: 78px;
  }

  .portfolio-title-nowrap {
    max-width: 9.4em;
    margin-right: auto;
    margin-left: auto;
    font-size: clamp(2.25rem, 10.4vw, 3rem);
    line-height: 1.02;
    white-space: normal;
  }

  .portfolio-mockup-grid {
    width: min(100%, 430px);
    height: 452px;
  }

  .portfolio-mockup-card {
    gap: 14px;
    width: min(70vw, 246px);
  }

  .portfolio-mockup-figure {
    height: 370px;
  }

  .portfolio-mockup-card .portfolio-phone--mockup {
    width: min(100%, 204px);
  }

  .portfolio-mockup-card.is-center .portfolio-phone--mockup {
    width: min(100%, 242px);
  }

  .portfolio-mockup-card:not(.is-center) .portfolio-mockup-copy {
    opacity: 0;
    transform: translateY(8px);
  }

  .portfolio-mockup-card.is-left {
    opacity: 0.24;
    filter: blur(2.8px) saturate(0.72);
    transform: translate3d(calc(-50% + clamp(-148px, -40vw, -116px)), 46px, 0) scale(0.56) rotate(-8deg);
  }

  .portfolio-mockup-card.is-right {
    opacity: 0.24;
    filter: blur(2.8px) saturate(0.72);
    transform: translate3d(calc(-50% + clamp(116px, 40vw, 148px)), 46px, 0) scale(0.56) rotate(8deg);
  }

  .portfolio-mockup-card.is-hidden {
    transform: translate3d(calc(-50% + 76vw), 66px, 0) scale(0.6) rotate(10deg);
  }

  .portfolio-mockup-card.is-exiting {
    transform: translate3d(calc(-50% - 76vw), 66px, 0) scale(0.6) rotate(-10deg);
  }

  .portfolio-heading {
    margin-bottom: 30px;
  }

  .portfolio-project-logo {
    width: min(190px, 74vw);
  }

  .portfolio-description {
    max-width: 340px;
    margin-right: auto;
    margin-left: auto;
    font-size: 1rem;
    line-height: 1.58;
  }

  .portfolio-features {
    display: grid;
    grid-template-columns: 1fr;
    justify-content: center;
    gap: 12px;
    width: min(100%, 286px);
    margin-right: auto;
    margin-left: auto;
  }

  .portfolio-feature {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
  }

  .portfolio-feature:not(:first-child) {
    border-left: 0;
  }

  .portfolio-visual {
    min-height: 0;
  }

  .portfolio-phone {
    width: min(268px, 78vw);
  }

  .portfolio-phone--mockup {
    width: min(320px, 84vw);
  }

  .portfolio-controls {
    margin-top: 8px;
  }
}

@media (max-width: 380px) {
  .portfolio-title-nowrap {
    font-size: clamp(2.08rem, 10vw, 2.32rem);
  }
}

@media (max-width: 340px) {
  .portfolio-title-nowrap {
    font-size: 2rem;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-mockup-card,
  .portfolio-slide,
  .portfolio-dot,
  .portfolio-dot::before,
  .portfolio-arrow {
    transition: none;
  }
}