/*
  Portfolio Layout and Type Rhythm
  Source order preserved from portfolio-runtime.css during code atlas cleanup.
*/

/* ==========================================================================
   03. Global Layout / Title Rhythm
   ========================================================================== */

.portfolio-kicker {
  display: none;
}

.reveal {
  opacity: 0;
  transition: opacity 320ms ease-out;
  transition-delay: 0ms;
  will-change: opacity;
}

.reveal.is-visible {
  opacity: 1;
}

.portfolio-hero {
  position: relative;
  min-height: var(--screen-h);
  height: var(--screen-h);
  overflow: hidden;
  background: var(--portfolio-dark);
}

.portfolio-hero::after {
  content: "PERSONAL AIGC VISUAL PORTFOLIO  /  WETHERM CASE STUDY  /  AI WORKFLOW";
  position: absolute;
  left: max(34px, calc((100vw - 1720px) / 2));
  right: max(34px, calc((100vw - 1720px) / 2));
  bottom: clamp(22px, 3.2vw, 52px);
  z-index: 3;
  border-top: 1px solid rgba(232, 211, 169, 0.16);
  padding-top: 16px;
  color: rgba(255, 255, 255, 0.34);
  font-size: clamp(11px, 0.78vw, 15px);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.08em;
  white-space: nowrap;
  overflow: hidden;
  pointer-events: none;
}

.portfolio-hero__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: none;
  animation: portfolioHeroSettle 260ms ease-out both;
}

.portfolio-hero__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(3, 2, 1, 0.98) 0%, rgba(3, 2, 1, 0.84) 38%, rgba(3, 2, 1, 0.32) 64%, rgba(3, 2, 1, 0.02) 100%),
    linear-gradient(0deg, rgba(5, 4, 2, 0.58), rgba(5, 4, 2, 0.04) 55%);
}

.portfolio-hero__content {
  position: relative;
  z-index: 3;
  width: var(--page-wide);
  min-height: var(--screen-h);
  height: var(--screen-h);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--screen-pad-top) 0 var(--screen-pad-bottom);
  color: #fff;
}

.portfolio-hero__content::before {
  content: "";
  width: clamp(72px, 6vw, 118px);
  height: 1px;
  margin-bottom: clamp(18px, 2vw, 34px);
  background: linear-gradient(90deg, var(--portfolio-gold-soft), rgba(232, 211, 169, 0));
  opacity: 0.78;
}

.portfolio-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: var(--font-hero);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: 0;
  text-shadow: 0 22px 74px rgba(0, 0, 0, 0.42);
}

.portfolio-hero h1 span {
  display: block;
}

.portfolio-hero__lead {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: var(--font-lead);
  font-weight: 400;
  line-height: 1.72;
}

.portfolio-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 720px;
  margin-top: 38px;
}

.portfolio-hero__tags span {
  padding: 10px 15px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(14, 10, 6, 0.34);
  color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  font-size: var(--font-caption);
  font-weight: 450;
  line-height: var(--leading-caption);
}

.portfolio-panel {
  min-height: var(--screen-h);
  height: var(--screen-h);
  padding: var(--screen-pad-top) max(24px, calc((100vw - var(--page-wide)) / 2)) var(--screen-pad-bottom);
  overflow: hidden;
}

.portfolio-panel:not(.portfolio-hero) {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.portfolio-section__intro {
  max-width: 980px;
  margin-bottom: clamp(34px, 3.4vw, 60px);
}.portfolio-section__intro h2,
.portfolio-work__copy h2 {
  margin: 0;
  font-size: var(--font-section);
  font-weight: 600;
  line-height: var(--leading-title);
  letter-spacing: 0;
}

.portfolio-section__intro > p:last-child,
.portfolio-work__copy > p {
  max-width: 660px;
  margin: 20px 0 0;
  color: var(--portfolio-muted);
  font-size: var(--font-lead);
  font-weight: 400;
  line-height: 1.72;
}

p.portfolio-proof,
.portfolio-section__intro > p.portfolio-proof,
.portfolio-work__copy > p.portfolio-proof,
.portfolio-hero__content > p.portfolio-proof,
.xiaomi-color-stage__title p.portfolio-proof,
.xiaomi-carousel__intro p.portfolio-proof,
.xiaomi-detail-carousel__intro p.portfolio-proof,
.xiaomi-detail-carousel__caption p.portfolio-proof,
.xiaomi-dual-gallery__copy p.portfolio-proof,
.xiaomi-accordion-stage__copy p.portfolio-proof {
  max-width: 760px;
  margin: clamp(14px, 1.2vw, 20px) 0 0;
  padding-left: 14px;
  border-left: 1px solid rgba(232, 211, 169, 0.54);
  color: rgba(232, 211, 169, 0.86);
  font-size: clamp(13px, 0.84vw, 15px);
  font-weight: 400;
  line-height: 1.68;
}

.portfolio-hero__content > p.portfolio-proof {
  max-width: 620px;
  margin-top: 18px;
  color: rgba(232, 211, 169, 0.9);
}

.xiaomi-color-stage__title p.portfolio-proof,
.xiaomi-carousel__intro p.portfolio-proof,
.xiaomi-detail-carousel__intro p.portfolio-proof,
.xiaomi-accordion-stage__copy p.portfolio-proof {
  max-width: 480px;
  color: rgba(232, 211, 169, 0.78);
}

.xiaomi-detail-carousel__caption p.portfolio-proof,
.xiaomi-dual-gallery__copy p.portfolio-proof {
  max-width: 620px;
  color: rgba(232, 211, 169, 0.76);
  font-size: 14px;
}

.portfolio-profile {
  position: relative;
  overflow: hidden;
  padding-top: clamp(112px, 12vh, 154px);
  padding-bottom: clamp(84px, 9vh, 118px);
  background:
    radial-gradient(circle at 82% 18%, rgba(200, 167, 106, 0.14), transparent 32%),
    radial-gradient(circle at 18% 90%, rgba(43, 129, 158, 0.08), transparent 34%),
    linear-gradient(180deg, #070604 0%, #0d0a07 52%, #050403 100%);
}

#before-visuals {
  background:
    linear-gradient(90deg, rgba(5, 4, 3, 0.96) 0%, rgba(5, 4, 3, 0.86) 48%, rgba(5, 4, 3, 0.58) 100%),
    linear-gradient(180deg, rgba(5, 4, 3, 0.36), rgba(5, 4, 3, 0.78)),
    url("images/shared/ambient/01B-before-visuals-bg-generated-v1.webp") center / cover no-repeat,
    linear-gradient(180deg, #070604 0%, #0d0a07 52%, #050403 100%);
}.portfolio-profile::before {
  content: none;
  position: absolute;
  left: max(34px, calc((100vw - 1720px) / 2));
  right: max(34px, calc((100vw - 1720px) / 2));
  top: clamp(34px, 5vw, 78px);
  color: rgba(232, 211, 169, 0.045);
  font-size: clamp(32px, 5.6vw, 104px);
  font-weight: 300;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
}

.portfolio-profile::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  height: clamp(58px, 7.5vh, 96px);
  background:
    linear-gradient(180deg, rgba(7, 6, 4, 0), rgba(7, 6, 4, 0.28) 70%, #050403 100%);
  pointer-events: none;
}

.portfolio-profile > * {
  position: relative;
  z-index: 1;
}

.portfolio-profile__grid,
.portfolio-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 1.5vw, 28px);
}

.portfolio-profile__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(1080px, 100%);
}

/* T-167: Shared Galaxy field across the complete chapter 01 module. */
.portfolio-chapter-one {
  position: relative;
  isolation: isolate;
  overflow: visible;
  background: #000;
}

.portfolio-hero__galaxy {
  position: absolute;
  inset: 0;
  width: 100%;
  height: var(--screen-h);
  min-height: var(--screen-h);
  z-index: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms ease;
}

.portfolio-hero__galaxy.is-mounted {
  opacity: 1;
}

.portfolio-chapter-one > #visual-files,
.portfolio-chapter-one > #before-visuals {
  position: relative;
  z-index: 1;
  background: transparent;
}

#visual-files.portfolio-hero {
  background: transparent;
}

#visual-files .portfolio-hero__image {
  display: none;
}

#visual-files .portfolio-hero__shade {
  z-index: 1;
  background: transparent;
  pointer-events: none;
}

#visual-files .portfolio-hero__bottom-fade {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  z-index: 2;
  height: clamp(240px, 24vh, 380px);
  background:
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 0.28) 34%,
      rgba(0, 0, 0, 0.74) 72%,
      #000 100%
    );
  pointer-events: none;
}

#visual-files .portfolio-hero__content,
#visual-files.portfolio-hero::after {
  z-index: 4;
  pointer-events: none;
}

/* T-166: Prepare chapter 01 for a continuous black-field treatment. */
#visual-files.portfolio-hero::after {
  content: none;
  display: none;
}

#before-visuals {
  background: #000;
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-hero__galaxy {
    display: none;
  }
}