:root {
  --portfolio-bg: #04050a;
  --portfolio-surface: rgba(8, 10, 22, 0.85);
  --portfolio-border: rgba(255, 255, 255, 0.08);
  --portfolio-text: #f7f7ff;
  --portfolio-muted: #a7a9c7;
  --portfolio-accent: #66f5ff;
  --portfolio-magenta: #c084fc;
}

body.portfolio-page {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 20%, rgba(102, 245, 255, 0.08), transparent 40%),
    radial-gradient(circle at 80% 0%, rgba(192, 132, 252, 0.08), transparent 40%),
    #04050a;
  color: var(--portfolio-text);
  font-family: 'Space Grotesk', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.portfolio-page .grain {
  position: fixed;
  inset: 0;
  opacity: 0.25;
  background-image: url('https://assets.codepen.io/2002878/noise.png');
  mix-blend-mode: soft-light;
  pointer-events: none;
  z-index: -1;
}

.portfolio-main {
  width: min(1200px, 100% - 3.5rem);
  margin: 0 auto;
  padding: 7rem 0 4rem;
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.portfolio-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  align-items: center;
  padding: 3rem;
  border-radius: 32px;
  border: 1px solid var(--portfolio-border);
  background: linear-gradient(140deg, rgba(8, 12, 32, 0.85), rgba(14, 9, 25, 0.9));
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.55);
}

.portfolio-hero h1 {
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 1.5rem;
}

.portfolio-hero p {
  margin: 0 0 1.5rem;
  color: var(--portfolio-muted);
  font-size: 1rem;
}

.portfolio-note {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: rgba(255, 255, 255, 0.6);
}

.keypad {
  position: relative;
  aspect-ratio: 400 / 310;
  display: flex;
  place-items: center;
  width: clamp(280px, 35vw, 420px);
  -webkit-tap-highlight-color: transparent;
  transform-style: preserve-3d;
}

.keypad__base {
  position: absolute;
  bottom: 0;
  width: 100%;
}

.keypad__base img {
  width: 100%;
  filter: drop-shadow(0 25px 55px rgba(0, 0, 0, 0.55));
}

.key {
  transform-style: preserve-3d;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: pointer;
  outline: none;
}

.key__mask {
  width: 100%;
  height: 100%;
  display: inline-block;
}

.key__content {
  width: 100%;
  display: inline-block;
  height: 100%;
  transition: translate 0.12s ease-out;
  container-type: inline-size;
}

.key[data-pressed='true'] .key__content,
.key:active .key__content {
  translate: 0 calc(var(--travel, 20) * 1%);
}

.keypad__single {
  position: absolute;
  width: 40.5%;
  left: 54%;
  bottom: 36%;
  height: 46%;
  clip-path: polygon(0 0, 54% 0, 89% 24%, 100% 70%, 54% 100%, 46% 100%, 0 69%, 12% 23%, 47% 0%);
  mask: url(https://assets.codepen.io/605876/keypad-single.png?format=auto&quality=86) 50% 50% / 100% 100%;
}

.keypad__single--left {
  left: 29.3%;
  bottom: 54.2%;
}

.keypad__double {
  position: absolute;
  width: 64%;
  height: 65%;
  left: 6%;
  bottom: 17.85%;
  clip-path: polygon(34% 0, 93% 44%, 101% 78%, 71% 100%, 66% 100%, 0 52%, 0 44%, 7% 17%, 30% 0);
  mask: url(https://assets.codepen.io/605876/keypad-double.png?format=auto&quality=86) 50% 50% / 100% 100%;
}

.key img {
  width: 96%;
  position: absolute;
  left: 50%;
  translate: -50% 1%;
  filter: hue-rotate(calc(var(--hue, 0) * 1deg)) saturate(var(--saturate, 1)) brightness(var(--brightness, 1));
  pointer-events: none;
}

.key__text {
  height: 46%;
  width: 86%;
  position: absolute;
  font-size: 12cqi;
  z-index: 21;
  top: 5%;
  left: 0;
  color: hsl(0 0% 94%);
  translate: 8% 10%;
  transform: rotateX(36deg) rotateY(45deg) rotateX(-90deg);
  text-align: left;
  padding: 1.2ch;
  text-transform: lowercase;
}

.keypad__single .key__text {
  font-size: 16cqi;
  width: 46%;
  height: 60%;
  translate: 44% -12%;
  text-align: center;
  padding: 0.5ch 0;
  display: grid;
  place-items: center;
}

.projects-showcase {
  padding: 3rem;
  border-radius: 32px;
  border: 1px solid var(--portfolio-border);
  background: var(--portfolio-surface);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.55);
}

.project-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.project-filters,
.project-sort {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-filters button,
.project-sort button {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.03);
  color: var(--portfolio-text);
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  padding: 0.4rem 1rem;
  cursor: pointer;
}

.project-filters button.active,
.project-sort button.active {
  background: linear-gradient(135deg, var(--portfolio-accent), var(--portfolio-magenta));
  color: #05050c;
  border-color: transparent;
}

.projects-error {
  margin: 0 0 1.5rem;
  padding: 0.8rem 1rem;
  border-radius: 14px;
  border-left: 3px solid var(--portfolio-accent);
  background: rgba(0, 0, 0, 0.25);
  color: var(--portfolio-text);
}

.projects-error--warning {
  border-left-color: #fdd365;
  color: #fdd365;
}

.projects-error--error {
  border-left-color: #ff7b7b;
  color: #ffb3b3;
}

.projects-error[hidden] {
  display: none;
}

.projects-headline {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.projects-headline h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin: 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(280px, 1fr);
  gap: 2.5rem;
}

.project-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.projects-empty {
  margin: 0;
  padding: 1.2rem;
  border-radius: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.15);
  color: var(--portfolio-muted);
  text-align: center;
}

.project-card {
  position: relative;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 20px;
  overflow: hidden;
  min-height: 160px;
  text-align: left;
  color: #fff;
  border: 1px solid transparent;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.project-card.active {
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.4);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
  filter: brightness(0.9);
}

.project-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(2, 4, 12, 0.2), rgba(3, 4, 12, 0.85));
}

.project-card__content {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.project-card__title {
  font-size: 1.3rem;
  margin: 0;
}

.project-card__tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-tag {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.5);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.project-detail {
  background: linear-gradient(145deg, rgba(4, 7, 20, 0.95), rgba(8, 12, 32, 0.85));
  border: 1px solid var(--portfolio-border);
  border-radius: 28px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02), 0 25px 60px rgba(0, 0, 0, 0.45);
  z-index: 200;
}

.project-detail--hidden {
  display: none;
}

.project-detail__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.project-detail__title {
  margin: 0;
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
}

.project-detail__image {
  width: 100%;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-detail__image img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}

.project-detail__description {
  margin: 0;
  color: var(--portfolio-muted);
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.project-link {
  border: 0;
  border-radius: 999px;
  padding: 0.85rem 1.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  background: linear-gradient(135deg, #66f5ff, #c084fc);
  color: #05050c;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.project-link[aria-disabled='true'] {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.4);
  cursor: not-allowed;
}

.project-note {
  margin: 0;
  color: #ffb347;
  font-size: 0.9rem;
  display: none;
}

.project-note.project-note--visible {
  display: block;
}

.project-detail__close {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: transparent;
  color: #fff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
}

@media (max-width: 1080px) {
  .portfolio-main {
    width: min(1100px, 100% - 2rem);
    padding: 5rem 0 3rem;
  }
}

@media (max-width: 860px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-detail {
    position: fixed;
    inset: auto 0 0;
    margin: 0 auto;
    border-radius: 30px 30px 0 0;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    transform: translateY(100%);
    transition: transform 0.35s ease;
    padding-bottom: calc(2rem + env(safe-area-inset-bottom, 0px));
    pointer-events: auto;
  }

  .project-detail.project-detail--visible {
    transform: translateY(0);
    display: block;
  }

  .project-detail--hidden {
    display: block;
    pointer-events: none;
    transform: translateY(100%);
  }
}

@media (max-width: 520px) {
  .portfolio-main {
    width: calc(100% - 1.5rem);
  }

  .portfolio-hero {
    padding: 2rem;
  }

  .projects-showcase {
    padding: 2rem 1.5rem;
  }
}