/*
  Portfolio Support Archive, Profile Base, and Navigation
  Source order preserved from portfolio-runtime.css during code atlas cleanup.
*/

/* ==========================================================================
   06. Support Archive / Personal Profile / Quick Navigation
   ========================================================================== */

.portfolio-skip-link {
  position: fixed;
  left: 24px;
  top: 18px;
  z-index: 120;
  padding: 10px 14px;
  border: 1px solid rgba(226, 202, 156, 0.55);
  border-radius: 999px;
  background: rgba(6, 5, 3, 0.92);
  color: rgba(250, 242, 226, 0.96);
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.34);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-16px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.portfolio-skip-link:focus-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  outline: 2px solid rgba(250, 242, 226, 0.88);
  outline-offset: 3px;
}

.portfolio-support-chapter {
  background:
    radial-gradient(circle at 18% 18%, rgba(200, 167, 106, 0.15), transparent 32%),
    linear-gradient(180deg, #050403 0%, #0b0805 54%, #050403 100%);
}

.portfolio-support-panel {
  display: grid;
  align-content: center;
  gap: clamp(28px, 3.4vw, 54px);
  background:
    radial-gradient(circle at 80% 18%, rgba(232, 211, 169, 0.12), transparent 30%),
    radial-gradient(circle at 20% 74%, rgba(31, 116, 140, 0.1), transparent 32%),
    linear-gradient(115deg, rgba(5, 4, 3, 0.98), rgba(10, 8, 5, 0.82) 52%, rgba(5, 4, 3, 0.96)),
    url("images/shared/ambient/01B-before-visuals-bg-generated-v1.webp") center / cover;
}

.portfolio-support-panel .portfolio-section__intro {
  width: min(860px, var(--page-wide));
}

@keyframes portfolioFusionFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-0.8deg);
  }

  50% {
    transform: translate3d(0, -10px, 0) rotate(0.8deg);
  }
}

@keyframes portfolioFusionBreath {
  0%,
  100% {
    opacity: 0.48;
    transform: rotate(-4deg) scale(0.99);
  }

  50% {
    opacity: 0.76;
    transform: rotate(4deg) scale(1.02);
  }
}

@keyframes portfolioTaijiMaskRotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.portfolio-method-line {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.1vw, 20px);
  margin-top: 34px;
}

.portfolio-method-line span {
  min-height: clamp(170px, 12vw, 240px);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(232, 211, 169, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  color: #fff;
  font-size: var(--font-method);
  font-weight: 500;
}

/* 06A. Personal profile legacy base;06B. Quick navigation shell. */

.portfolio-quick-nav {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 80;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(10px, 0.9vw, 18px);
  min-height: clamp(42px, 3.4vw, 56px);
  padding: 0 max(24px, calc((100vw - var(--page-wide)) / 2));
  border-bottom: 0;
  background:
    linear-gradient(180deg, rgba(7, 6, 4, 0.38), rgba(7, 6, 4, 0.1));
  backdrop-filter: blur(10px);
  transform: none;
}

.portfolio-quick-nav,
.portfolio-quick-nav * {
  box-sizing: border-box;
}

.portfolio-nav-brand {
  display: none;
}

.portfolio-nav-links {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: clamp(18px, 1.45vw, 38px);
  max-width: calc(100vw - 96px);
}

.portfolio-nav-links a {
  position: relative;
  width: auto;
  padding: 4px 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  backdrop-filter: none;
  font-size: clamp(12px, 0.68vw, 14px);
  font-weight: 450;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: none;
  transition:
    color 180ms ease,
    opacity 180ms ease;
}

.portfolio-nav-links a::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--portfolio-gold-soft), var(--portfolio-gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms ease;
}

.portfolio-nav-links a:hover,
.portfolio-nav-links a.is-active {
  color: rgba(255, 255, 255, 0.92);
}

.portfolio-nav-links a:hover::before,
.portfolio-nav-links a.is-active::before {
  transform: scaleX(1);
}

.portfolio-bgm-toggle {
  position: relative;
  flex: 0 0 auto;
  width: clamp(28px, 1.7vw, 34px);
  height: clamp(28px, 1.7vw, 34px);
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background:
    radial-gradient(circle at 50% 34%, rgba(232, 211, 169, 0.2), transparent 58%),
    rgba(7, 6, 4, 0.34);
  box-shadow:
    inset 0 0 0 1px rgba(232, 211, 169, 0.18),
    0 8px 22px rgba(0, 0, 0, 0.2);
  color: rgba(255, 248, 232, 0.66);
  cursor: pointer;
  transform: translate3d(0, 0, 0);
  transition:
    color 220ms cubic-bezier(0.2, 0, 0, 1),
    background 220ms cubic-bezier(0.2, 0, 0, 1),
    box-shadow 220ms cubic-bezier(0.2, 0, 0, 1),
    opacity 220ms cubic-bezier(0.2, 0, 0, 1),
    transform 220ms cubic-bezier(0.2, 0, 0, 1);
}

.portfolio-bgm-toggle::before {
  content: "";
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(232, 211, 169, 0.22);
  border-radius: inherit;
  opacity: 0.62;
  pointer-events: none;
  transform: scale(0.96);
  transition:
    border-color 220ms cubic-bezier(0.2, 0, 0, 1),
    opacity 220ms cubic-bezier(0.2, 0, 0, 1),
    transform 220ms cubic-bezier(0.2, 0, 0, 1);
}

.portfolio-bgm-toggle:hover,
.portfolio-bgm-toggle:focus-visible {
  background:
    radial-gradient(circle at 50% 34%, rgba(232, 211, 169, 0.3), transparent 58%),
    rgba(18, 15, 10, 0.48);
  box-shadow:
    inset 0 0 0 1px rgba(232, 211, 169, 0.26),
    0 10px 28px rgba(0, 0, 0, 0.24);
  color: rgba(255, 248, 232, 0.94);
  transform: translate3d(0, -1px, 0);
}

.portfolio-bgm-toggle:focus-visible {
  outline: 0;
  box-shadow:
    inset 0 0 0 1px rgba(232, 211, 169, 0.36),
    0 0 0 2px rgba(232, 211, 169, 0.18),
    0 10px 28px rgba(0, 0, 0, 0.24);
}

.portfolio-bgm-toggle:hover::before,
.portfolio-bgm-toggle:focus-visible::before,
.portfolio-bgm-toggle.is-playing::before {
  border-color: rgba(232, 211, 169, 0.4);
  opacity: 0.9;
  transform: scale(1);
}

.portfolio-bgm-toggle.is-playing {
  background:
    radial-gradient(circle at 50% 34%, rgba(232, 211, 169, 0.34), transparent 60%),
    rgba(16, 12, 7, 0.6);
  box-shadow:
    inset 0 0 0 1px rgba(232, 211, 169, 0.32),
    0 10px 28px rgba(0, 0, 0, 0.28),
    0 0 24px rgba(200, 167, 106, 0.1);
  color: rgba(232, 211, 169, 0.96);
}

.portfolio-bgm-toggle.is-unavailable {
  color: rgba(255, 248, 232, 0.34);
  cursor: help;
  opacity: 0.58;
}

.portfolio-bgm-toggle__bars {
  position: relative;
  z-index: 1;
  height: 14px;
  display: grid;
  grid-template-columns: repeat(3, 2px);
  align-items: end;
  gap: 3px;
}

.portfolio-bgm-toggle__bars i {
  display: block;
  width: 2px;
  height: 12px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.72;
  transform: scaleY(0.52);
  transform-origin: center bottom;
}

.portfolio-bgm-toggle__bars i:nth-child(2) {
  height: 14px;
  transform: scaleY(0.76);
}

.portfolio-bgm-toggle__bars i:nth-child(3) {
  height: 10px;
  transform: scaleY(0.62);
}

.portfolio-bgm-toggle.is-playing .portfolio-bgm-toggle__bars i {
  animation: portfolioBgmBars 1060ms linear infinite;
}

.portfolio-bgm-toggle.is-playing .portfolio-bgm-toggle__bars i:nth-child(2) {
  animation-delay: -360ms;
}

.portfolio-bgm-toggle.is-playing .portfolio-bgm-toggle__bars i:nth-child(3) {
  animation-delay: -680ms;
}

.portfolio-bgm-toggle.is-unavailable .portfolio-bgm-toggle__bars i {
  animation: none;
  opacity: 0.48;
  transform: scaleY(0.42);
}

@keyframes portfolioBgmBars {
  0%,
  100% {
    opacity: 0.56;
    transform: scaleY(0.44);
  }

  42% {
    opacity: 1;
    transform: scaleY(1);
  }

  68% {
    opacity: 0.74;
    transform: scaleY(0.68);
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-bgm-toggle,
  .portfolio-bgm-toggle::before,
  .portfolio-bgm-toggle__bars i {
    animation: none !important;
    transition: none !important;
  }

  .portfolio-bgm-toggle.is-playing .portfolio-bgm-toggle__bars i {
    opacity: 0.9;
    transform: scaleY(0.8);
  }
}

.portfolio-nav-item {
  position: relative;
  flex: 0 0 auto;
}

.portfolio-nav-link {
  display: block;
}

.portfolio-nav-submenu {
  position: absolute;
  top: calc(100% + 9px);
  left: 50%;
  z-index: 3;
  min-width: 126px;
  padding: 10px 0;
  border: 1px solid rgba(232, 211, 169, 0.12);
  border-top-color: rgba(232, 211, 169, 0.32);
  border-radius: 0 0 8px 8px;
  background:
    linear-gradient(180deg, rgba(7, 6, 4, 0.92), rgba(7, 6, 4, 0.74)),
    rgba(7, 6, 4, 0.82);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -10px);
  visibility: hidden;
  transition:
    opacity 220ms ease,
    transform 220ms ease,
    visibility 220ms ease;
}

.portfolio-nav-submenu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -10px;
  height: 10px;
}

.portfolio-nav-item:hover .portfolio-nav-submenu,
.portfolio-nav-item:focus-within .portfolio-nav-submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
  visibility: visible;
}

.portfolio-nav-submenu a,
.portfolio-nav-links .portfolio-nav-subitem {
  display: block;
  width: 100%;
  padding: 9px 18px;
  border: 0;
  border-radius: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
  font-weight: 430;
  line-height: 1.4;
  text-align: left;
  white-space: nowrap;
}

.portfolio-nav-submenu a::before {
  display: none;
}

.portfolio-nav-submenu a:hover,
.portfolio-nav-submenu a:focus-visible {
  background: linear-gradient(90deg, rgba(232, 211, 169, 0.1), transparent);
  color: rgba(255, 255, 255, 0.95);
}

/*
  T-206: desktop navigation taste pass.
  Primary nav stays one row; child links reveal as a compact horizontal flyout
  instead of reading like a second stacked navigation bar.
*/
@media (min-width: 901px) {
  .portfolio-nav-submenu {
    display: flex;
    align-items: center;
    gap: 0;
    min-width: 0;
    width: max-content;
    max-width: min(calc(100vw - 96px), 720px);
    padding: 8px 10px;
    border-top-color: rgba(232, 211, 169, 0.18);
    border-radius: 999px;
    transform: translate(-50%, -6px);
    white-space: nowrap;
  }

  .portfolio-nav-item:hover .portfolio-nav-submenu,
  .portfolio-nav-item:focus-within .portfolio-nav-submenu {
    transform: translate(-50%, 0);
  }

  .portfolio-nav-submenu a,
  .portfolio-nav-links .portfolio-nav-subitem {
    width: auto;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: clamp(11px, 0.58vw, 12px);
    line-height: 1.2;
    text-align: center;
  }

  .portfolio-nav-submenu a + a {
    margin-left: 2px;
  }

  .portfolio-nav-submenu a:hover,
  .portfolio-nav-submenu a:focus-visible {
    background: rgba(232, 211, 169, 0.1);
  }
}

/*
  T-271: restore desktop child navigation as a vertical menu and let the
  interaction script own the open state, avoiding focus-sticky flyouts.
*/
@media (min-width: 901px) {
  .portfolio-nav-item {
    padding-block: 8px;
    margin-block: -8px;
  }

  .portfolio-quick-nav .portfolio-nav-submenu {
    top: calc(100% + 6px);
    left: 50%;
    display: grid;
    grid-auto-flow: row;
    align-items: stretch;
    gap: 2px;
    min-width: max(136px, 100%);
    width: max-content;
    max-width: min(220px, calc(100vw - 96px));
    max-height: none !important;
    padding: 8px;
    border-top-color: rgba(232, 211, 169, 0.24);
    border-radius: 8px !important;
    opacity: 0;
    overflow: visible !important;
    pointer-events: none;
    transform: translate3d(-50%, -8px, 0);
    visibility: hidden;
    white-space: nowrap;
    transition:
      opacity 160ms ease,
      transform 180ms cubic-bezier(0.22, 1, 0.36, 1),
      visibility 0ms linear 180ms;
  }

  .portfolio-quick-nav .portfolio-nav-submenu::before {
    left: -8px;
    right: -8px;
    top: -14px;
    height: 14px;
  }

  .portfolio-nav-item.is-submenu-open .portfolio-nav-submenu {
    opacity: 1;
    pointer-events: auto;
    transform: translate3d(-50%, 0, 0);
    visibility: visible;
    transition-delay: 0ms;
  }

  .portfolio-quick-nav .portfolio-nav-item:not(.is-submenu-open) .portfolio-nav-submenu {
    opacity: 0;
    pointer-events: none;
    transform: translate3d(-50%, -8px, 0);
    visibility: hidden;
    transition-delay: 0ms, 0ms, 180ms;
  }

  .portfolio-nav-submenu a,
  .portfolio-nav-links .portfolio-nav-subitem {
    display: block;
    width: 100%;
    min-width: 136px;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: clamp(11px, 0.6vw, 12px);
    line-height: 1.2;
    text-align: left;
  }

  .portfolio-nav-submenu a + a {
    margin-top: 2px;
    margin-left: 0;
  }

  .portfolio-nav-submenu a:hover,
  .portfolio-nav-submenu a:focus-visible {
    background: linear-gradient(90deg, rgba(232, 211, 169, 0.12), rgba(232, 211, 169, 0.02));
  }
}

/* T-274: align desktop dropdown copy with its parent nav center and tighten the panel width. */
@media (min-width: 901px) {
  .portfolio-quick-nav .portfolio-nav-submenu {
    width: clamp(124px, 5.4vw, 146px);
    min-width: clamp(124px, 5.4vw, 146px);
    max-width: clamp(124px, 5.4vw, 146px);
    padding: 8px 10px;
    justify-items: stretch;
  }

  .portfolio-quick-nav .portfolio-nav-submenu a,
  .portfolio-quick-nav .portfolio-nav-links .portfolio-nav-subitem {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    width: 100%;
    min-height: 34px;
    padding: 7px 10px;
    text-align: center !important;
  }
}