/* Tech stack section styles for Space Phoenix portfolio */

.tech-stack {
  padding: clamp(3rem, 8vw, 6.5rem) 0;
}

.tech-stack .container {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.stack-grid {
  display: grid;
  grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}

.stack-detail {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.015));
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: clamp(1.6rem, 3vw, 2rem);
  box-shadow: var(--shadow-1);
  display: grid;
  gap: 1.1rem;
}

.stack-detail .stack-eyebrow {
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.stack-detail h2 {
  font-size: clamp(1.9rem, 3.8vw, 2.6rem);
}

.stack-summary {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0;
}

.stack-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.stack-meta strong {
  color: var(--text);
}

.stack-focus {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.stack-name {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

.stack-name-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(123, 111, 255, 0.16);
  border: 1px solid rgba(123, 111, 255, 0.28);
  color: var(--accent);
  flex-shrink: 0;
}

.stack-name-icon i {
  font-size: 1.5rem;
  line-height: 1;
}

.stack-story {
  margin: 0;
  color: var(--muted);
}

.stack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.stack-tags span {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  background: rgba(123, 111, 255, 0.16);
  color: var(--text);
  border: 1px solid rgba(123, 111, 255, 0.2);
}

.stack-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.stack-orbit-column {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
  width: 100%;
}

.stack-orbit {
  position: relative;
  aspect-ratio: 1;
  min-height: clamp(420px, 60vw, 620px);
  max-width: 100%;
  overflow: hidden;
  width: min(90vw, 620px);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(123, 111, 255, 0.12), rgba(3, 3, 9, 0.4));
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 40px rgba(123, 111, 255, 0.12);
  --orbit-scale: 1;
  --node-scale: 1;
}

.stack-orbit-helper {
  margin: 1.5rem 0 0;
  font-size: 0.95rem;
  color: var(--muted);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.stack-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  --scaled-radius: calc(var(--ring-radius) * var(--orbit-scale));
  width: calc(var(--scaled-radius) * 2);
  height: calc(var(--scaled-radius) * 2);
  margin-top: calc(var(--scaled-radius) * -1);
  margin-left: calc(var(--scaled-radius) * -1);
  border-radius: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  pointer-events: none;
  z-index: 0;
  --orbit-duration: 48s;
  transform-origin: 50% 50%;
  animation-name: orbit-spin;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-duration: var(--orbit-duration);
}

.stack-ring.is-reverse {
  animation-direction: reverse;
}

.stack-ring.is-reverse .stack-node button {
  animation-direction: reverse;
}

.stack-core {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(255, 77, 28, 0.6), rgba(255, 213, 107, 0.25));
  color: #0b0710;
  font-weight: 700;
  font-size: 1.05rem;
  text-align: center;
  padding: 1.2rem;
  box-shadow: 0 16px 45px rgba(255, 77, 28, 0.28);
}

.stack-node {
  --angle: 0deg;
  --angle-negative: 0deg;
  --node-osc-x: 0px;
  --node-osc-y: 0px;
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(var(--node-size, 80px) * var(--node-scale));
  height: calc(var(--node-size, 80px) * var(--node-scale));
  border-radius: 50%;
  background: linear-gradient(180deg, rgba(10, 12, 20, 0.85), rgba(3, 3, 9, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  color: var(--text);
  box-shadow: var(--shadow-1);
  transform:
    rotate(var(--angle))
    translateY(calc(var(--scaled-radius, var(--ring-radius)) * -1))
    rotate(var(--angle-negative))
    translateX(var(--node-osc-x))
    translateY(var(--node-osc-y));
  transition: transform 220ms var(--ease-out-quick), box-shadow 220ms var(--ease-out-quick), background 220ms var(--ease-out-quick);
  pointer-events: auto;
  z-index: 1;
}

.stack-node button {
  all: unset;
  cursor: pointer;
  display: grid;
  place-items: center;
  justify-items: center;
  gap: 0.3rem;
  width: 100%;
  height: 100%;
  padding: 0;
  position: relative;
  transform: rotate(0deg);
  animation-name: orbit-counter;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-duration: var(--orbit-duration);
}

.stack-node.is-active {
  border-color: rgba(255, 213, 107, 0.4);
  box-shadow: var(--shadow-2);
}

.stack-node-icon {
  display: grid;
  place-items: center;
  font-size: 1.35rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.78);
  pointer-events: none;
}

.stack-node-icon i {
  display: block;
}

.stack-node:hover,
.stack-node:focus-within {
  transform:
    rotate(var(--angle))
    translateY(calc(var(--scaled-radius, var(--ring-radius)) * -1))
    rotate(var(--angle-negative))
    translateX(var(--node-osc-x))
    translateY(var(--node-osc-y))
    scale(1.05);
  box-shadow: var(--shadow-2);
  background: linear-gradient(180deg, rgba(25, 28, 40, 0.95), rgba(10, 10, 18, 0.92));
}

.stack-node-label {
  pointer-events: none;
  font-size: clamp(0.75rem, 1.8vw, 0.85rem);
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.stack-node:hover .stack-node-label,
.stack-node:hover .stack-node-icon,
.stack-node:focus-within .stack-node-label,
.stack-node:focus-within .stack-node-icon,
.stack-node.is-active .stack-node-label,
.stack-node.is-active .stack-node-icon {
  color: var(--accent);
}

.stack-node button:focus-visible {
  outline: 3px solid rgba(255, 213, 107, 0.35);
  outline-offset: 4px;
}

@media (max-width: 1200px) {
  .stack-grid {
    gap: clamp(2.2rem, 4vw, 3.6rem);
  }

  .stack-orbit {
    width: min(90vw, 560px);
    min-height: clamp(420px, 60vw, 560px);
  }
}

@media (max-width: 1024px) {
  .stack-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2.4rem, 6vw, 3.4rem);
  }

  .stack-orbit {
    max-width: 520px;
    justify-self: center;
  }

  .stack-orbit-column {
    margin-top: 0.5rem;
  }
}

@media (max-width: 768px) {
  .stack-detail {
    padding: clamp(1.2rem, 6vw, 1.6rem);
    gap: 0.9rem;
  }

  .stack-name {
    gap: 0.6rem;
    font-size: clamp(1.15rem, 6.5vw, 1.45rem);
  }

  .stack-name-icon {
    width: 38px;
    height: 38px;
  }

  .stack-tags {
    justify-content: center;
  }

  .stack-orbit {
    width: clamp(260px, 78vw, 340px);
    min-height: clamp(260px, 78vw, 340px);
    transform: none;
    --orbit-scale: 0.62;
    --node-scale: 0.82;
  }

  .stack-orbit-helper {
    font-size: 0.9rem;
    padding: 0 1rem;
  }

  .stack-node {
    background: none;
    border: none;
    box-shadow: none;
  }

  .stack-node.is-active {
    border: none;
    box-shadow: none;
  }

  .stack-node-label {
    display: none;
  }

  .stack-node-icon {
    width: clamp(18px, 5vw, 24px);
    height: clamp(18px, 5vw, 24px);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: clamp(0.8rem, 3vw, 1rem);
    color: rgba(255, 255, 255, 0.88);
  }

  .stack-node-icon i {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(9, 10, 20, 0.88);
    border: 1px solid rgba(123, 111, 255, 0.32);
    font-size: 0.95em;
    transition: background 200ms var(--ease-out-quick), border-color 200ms var(--ease-out-quick), color 200ms var(--ease-out-quick);
  }

  .stack-node button {
    gap: 0;
  }

  .stack-node:hover .stack-node-icon i,
  .stack-node:focus-within .stack-node-icon i,
  .stack-node.is-active .stack-node-icon i {
    background: rgba(123, 111, 255, 0.2);
    border-color: rgba(123, 111, 255, 0.6);
    color: var(--accent);
  }
}

@media (max-width: 480px) {
  .stack-detail .stack-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .stack-core {
    width: clamp(68px, 32vw, 90px);
    height: clamp(68px, 32vw, 90px);
    font-size: clamp(0.72rem, 3.8vw, 0.9rem);
    padding: clamp(0.5rem, 3vw, 0.8rem);
  }

  .stack-name-icon {
    width: 34px;
    height: 34px;
  }

  .stack-orbit {
    width: clamp(230px, 82vw, 300px);
    min-height: clamp(230px, 82vw, 300px);
    --orbit-scale: 0.52;
    --node-scale: 0.72;
  }

  .stack-node button {
    gap: 0;
  }

  .stack-node-icon {
    width: clamp(16px, 6vw, 20px);
    height: clamp(16px, 6vw, 20px);
  }

  .stack-node-icon i {
    font-size: 0.9em;
  }

  .stack-orbit-helper {
    flex-direction: column;
    gap: 0.4rem;
  }
}

@media (min-width: 1440px) {
  .stack-grid {
    gap: clamp(2.5rem, 4vw, 4.5rem);
  }

  .stack-detail {
    padding: clamp(2rem, 3vw, 2.6rem);
  }

  .stack-orbit {
    width: min(94vw, 680px);
    min-height: clamp(520px, 65vw, 680px);
    --orbit-scale: 1.1;
    --node-scale: 1.05;
  }
}

@keyframes orbit-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes orbit-counter {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .stack-ring {
    animation: none;
  }

  .stack-node button {
    animation: none;
    transform: rotate(0deg);
  }
}