:root {
  --color-bg-main: #ffffff;
  --color-brand: #daffa2;
  --color-portfolio-bg: #daffa2;
  --color-desc-bg: #daffa2;

  --color-text-main: #000000;
  --color-muted: #0008ff;
  --color-main-gray: #daffa2;

  --color-arrow: #0008ff;
  --color-maque: #daffa2;

  --bar-height: 24px;

  --bar-font-size: 0.7rem;

  --page-side-padding: 1rem;
  --detail-page-side-padding: 10vw;

  --detail-main-img-s: 250px;
  --detail-main-img-m: 300px;
  --detail-main-img-l: 450px;

  --detail-main-img-s-mobile: 50%;
  --detail-main-img-m-mobile: 60%;
  --detail-main-img-l-mobile: 85%;

  --scrollbar-size: 10px;

  --detail-strip-thumb-maxh: 88px;
  --detail-strip-gap: 16px;
  --detail-strip-arrow-zone: 60px;

  --detail-strip-active-outline: 2px;

  --marquee-intro-from: 0px;
  --marquee-intro-duration: 6s;
  --marquee-loop-duration: 30s;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =====================================================
   ✅ (추가) 로컬 폰트: AutoGrotesk TRIAL
   - 폰트 파일이 index.html/style.css/script.js와 같은 폴더에 있으니
     url('./파일명') 또는 url('파일명') 둘 다 OK
   - format은 otf이므로 'opentype'
   ===================================================== */
@font-face {
  font-family: 'AutoGroteskTRIAL';
  src: url('./AutoGroteskTRIAL-BExtrabold.otf') format('opentype');
  font-weight: 800;
  /* ExtraBold에 해당하는 일반적인 값 */
  font-style: normal;
  font-display: swap;
}

/* =====================================================
   Pretendard (기존)
   ===================================================== */
@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Thin.woff2') format('woff2');
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraLight.woff2') format('woff2');
  font-weight: 200;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Light.woff2') format('woff2');
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Medium.woff2') format('woff2');
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Bold.woff2') format('woff2');
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-ExtraBold.woff2') format('woff2');
  font-weight: 800;
  font-display: swap;
}

@font-face {
  font-family: 'Pretendard';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/pretendard@1.0/Pretendard-Black.woff2') format('woff2');
  font-weight: 900;
  font-display: swap;
}

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, "Pretendard", sans-serif;
  font-weight: 300;
  background: var(--color-bg-main);
  color: var(--color-text-main);
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

/* =============================== 상단 바 =============================== */
.top-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--bar-height);
  background: var(--color-brand);
  display: flex;
  align-items: center;
  padding: 0 var(--page-side-padding);
  z-index: 300;
  transform: translateY(0);
  transition: transform 0.3s ease;
}

.top-bar.hidden {
  transform: translateY(-100%);
}

.top-bar-inner {
  display: flex;
  align-items: center;
  width: 100%;
  position: relative;
}

.top-nav {
  display: flex;
  gap: 1rem;
  width: 100%;
}

#contact-btn {
  margin-left: auto;
}

.top-nav-item {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.top-nav-item:hover {
  opacity: 0.6;
}

.top-nav-item,
#top-logo {
  font-family: "Pretendard", sans-serif;
  font-size: var(--bar-font-size);
  font-weight: 500;
  line-height: 1;
  display: flex;
  align-items: center;
  height: var(--bar-height);
}

#top-logo {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 500;
  cursor: pointer;
}

/* =============================== 페이지 공통 =============================== */
.page {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page.active {
  opacity: 1;
  visibility: visible;
}

/* =============================== 메인 페이지 =============================== */
#main-page {
  background: var(--color-main-gray);
}

.title-container {
  position: absolute;
  top: 20vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  padding: 0 1rem;
  width: 100%;
  text-align: center;
}

#main-title {
  white-space: nowrap;
  font-size: min(20vw, 30vh);

  /* ✅ (변경) Inter → 로컬 AutoGrotesk */
  font-family: 'AutoGroteskTRIAL', Helvetica, Arial, sans-serif;

  /* ✅ (권장) 폰트가 ExtraBold 1종만 있으니 weight도 맞춰주는 게 안전 */
  font-weight: 800;

  letter-spacing: -0.022em;
  color: white;
  cursor: pointer;
  transition: opacity 0.2s;
  display: inline-block;
}

#main-title:hover {
  opacity: 0.8;
}

@keyframes mobileTitleBlink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.3;
  }
}

/* =============================== 마퀴바 =============================== */
.marquee-bar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: auto;

  height: var(--bar-height);
  overflow: hidden;
  z-index: 100;
  display: flex;
  align-items: center;
  background-color: transparent;

  padding-top: 3px;
}

.marquee-inner {
  display: flex;
  flex-wrap: nowrap;
  width: max-content;
  white-space: nowrap;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;

  animation-name: marqueeIntro, marqueeLoop;
  animation-duration: var(--marquee-intro-duration), var(--marquee-loop-duration);
  animation-timing-function: linear, linear;
  animation-iteration-count: 1, infinite;
  animation-fill-mode: both, none;
  animation-delay: 0s, var(--marquee-intro-duration);
}

.marquee-text {
  font-family: "Pretendard", sans-serif;
  font-weight: 600;
  font-size: var(--bar-font-size);
  line-height: .7;
  word-break: keep-all;
  color: var(--color-muted);
  letter-spacing: 0.03cap;

  flex: 0 0 auto;
  padding-right: 4rem;
}

@keyframes marqueeIntro {
  0% {
    transform: translate3d(var(--marquee-intro-from), 0, 0);
  }

  100% {
    transform: translate3d(0, 0, 0);
  }
}

@keyframes marqueeLoop {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

#canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* =============================== 포트폴리오 페이지 =============================== */
#portfolio-page {
  background: var(--color-portfolio-bg);
  overflow-y: auto;
  scrollbar-gutter: stable both-edges;
}

#thumbnails-container {
  position: relative;
  width: 100%;
  padding: 4.5rem var(--page-side-padding) 1rem var(--page-side-padding);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: flex-end;
  gap: 1em;
}

.thumbnail {
  cursor: pointer;
  transition: opacity 0.2s;
  flex-shrink: 0;
  width: 190px;
}

.thumbnail img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* =============================== 상세 페이지 =============================== */
#detail-page {
  background: var(--color-brand);
  overflow-y: auto;
  padding-left: var(--detail-page-side-padding);
  padding-right: var(--detail-page-side-padding);
  overflow-x: hidden;
  scrollbar-gutter: stable both-edges;
  font-weight: 400;
}

.detail-nav {
  position: fixed;
  top: 4.5rem;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 var(--page-side-padding);
  font-size: 20px;
  z-index: 210;
}

.detail-nav-arrow {
  cursor: pointer;
  user-select: none;
  color: var(--color-arrow);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  line-height: 1;
  padding: 0;
}

#detail-prev.detail-nav-arrow {
  justify-content: flex-start;
}

#detail-next.detail-nav-arrow {
  justify-content: flex-end;
}

.detail-nav-arrow--mirrored {
  transform: scaleX(-1) translateX(30px);
  transform-origin: center;
}

.detail-nav-arrow:hover {
  opacity: 0.6;
}

.detail-nav-arrow.disabled {
  color: var(--color-brand);
  cursor: default;
  pointer-events: none;
  opacity: 0;
}

.detail-content {
  display: grid;
  grid-template-columns: 1fr 2fr 2fr;
  grid-template-rows: auto 1fr;
  column-gap: 2rem;
  row-gap: 1.5rem;
  align-items: start;
  padding: 5rem var(--page-side-padding) 2rem var(--page-side-padding);
  min-height: 100vh;
}

.detail-main-image {
  grid-column: 1 / -1;
  grid-row: 1;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.detail-main-image img {
  display: block;
  height: auto;
  max-height: 60vh;
  max-width: 100%;
  object-fit: contain;
  margin-bottom: 0.5rem;
}

.detail-main-image img.main-img-s {
  width: min(var(--detail-main-img-s), 100%);
}

.detail-main-image img.main-img-m {
  width: min(var(--detail-main-img-m), 100%);
}

.detail-main-image img.main-img-l {
  width: min(var(--detail-main-img-l), 100%);
}

.detail-info {
  grid-column: 1;
  grid-row: 2;
  width: 100%;
  max-width: 350px;
  margin-bottom: 1rem;
  word-break: keep-all;
  letter-spacing: 0.1px;
}

.detail-info h2 {
  font-family: "Pretendard", sans-serif;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 500;
  word-break: keep-all;
  letter-spacing: 0.15px;
}

#detail-subtitle {
  display: inline-block;
  padding: 0.15rem 0.15rem;
  border: 1px solid var(--color-text-main);
  border-radius: 4px;
  font-size: 11px;
  line-height: 1;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  background-color: transparent;
  word-break: keep-all;
}

.detail-info p {
  font-size: 13.5px;
  line-height: 1.6;
  margin-bottom: 1rem;
  margin-top: 0.5rem;
  word-break: keep-all;
  text-align: left;
  letter-spacing: -0.10px;
}

.detail-meta-item {
  margin-top: 0.2rem;
  line-height: 1.3;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  font-size: 11px;
}

.detail-meta-item strong {
  display: inline-block;
  min-width: 3em;
  font-weight: 500;
}

.detail-images {
  grid-column: 2 / -1;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  width: 100%;
  margin: 0 auto;
}

.detail-images img {
  width: 100%;
  height: auto;
  display: block;
}

.detail-images img.span-2 {
  grid-column: 1 / -1;
}

@media (max-width: 1024px) {
  .detail-content {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 5rem 0 2rem 0;
  }

  .detail-main-image,
  .detail-info,
  .detail-images {
    width: 100%;
    padding: 0 var(--page-side-padding);
    box-sizing: border-box;
  }

  .detail-images {
    grid-template-columns: 1fr;
  }

  .thumbnail {
    width: 260px;
  }
}

/* =============================== 상세페이지 하단 스트립 =============================== */
.detail-bottom-strip {
  background: transparent;
  margin-top: 3rem;

  width: calc(100% + (var(--detail-page-side-padding) * 2));
  margin-left: calc(-1 * var(--detail-page-side-padding));
  margin-right: calc(-1 * var(--detail-page-side-padding));

  padding: 0.5rem var(--page-side-padding) 1.25rem var(--page-side-padding);
  box-sizing: border-box;
  position: relative;
}

.detail-strip-track {
  display: flex;
  align-items: flex-end;
  gap: var(--detail-strip-gap);
  overflow-x: auto;
  overflow-y: hidden;

  padding-left: var(--detail-strip-arrow-zone);
  padding-right: var(--detail-strip-arrow-zone);

  padding-top: var(--detail-strip-active-outline);
  padding-bottom: calc(6px + var(--detail-strip-active-outline));

  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.detail-strip-thumb {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: flex-end;
  justify-content: center;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}

.detail-strip-thumb img {
  display: block;
  width: auto;
  max-height: var(--detail-strip-thumb-maxh);
  object-fit: contain;
  background: transparent;
}

.detail-strip-thumb.is-active img {
  outline: var(--detail-strip-active-outline) solid var(--color-muted);
  outline-offset: 0;
}

.detail-strip-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-130%);

  width: var(--detail-strip-arrow-zone);
  height: calc(var(--detail-strip-thumb-maxh) + 14px);

  border: 0;
  background: transparent;
  cursor: pointer;

  color: var(--color-arrow);
  font-size: 30px;
  z-index: 5;

  display: flex;
  align-items: center;
  line-height: 1;
  padding: 0;
}

.detail-strip-arrow:hover {
  opacity: 0.6;
}

.detail-strip-arrow.left {
  left: 0;
  justify-content: flex-start;
}

.detail-strip-arrow.right {
  right: 0;
  justify-content: flex-end;
}

.strip-arrow-icon {
  display: inline-block;
  line-height: 1;
}

.strip-arrow-icon--mirrored {
  transform: scaleX(-1);
  transform-origin: center;
}

/* =============================== Scrollbar =============================== */
#portfolio-page,
#detail-page,
.detail-strip-track {
  scrollbar-width: thin;
  scrollbar-color: var(--color-muted) transparent;
}

#portfolio-page::-webkit-scrollbar,
#detail-page::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

.detail-strip-track::-webkit-scrollbar {
  height: var(--scrollbar-size);
}

#portfolio-page::-webkit-scrollbar-track,
#detail-page::-webkit-scrollbar-track,
.detail-strip-track::-webkit-scrollbar-track {
  background: transparent;
}

#portfolio-page::-webkit-scrollbar-thumb,
#detail-page::-webkit-scrollbar-thumb,
.detail-strip-track::-webkit-scrollbar-thumb {
  background-color: var(--color-muted);
  border-radius: 999px;
  border: 3px solid transparent;
  background-clip: padding-box;
}

#portfolio-page::-webkit-scrollbar-corner,
#detail-page::-webkit-scrollbar-corner,
.detail-strip-track::-webkit-scrollbar-corner {
  background: transparent;
}

/* =============================== CV 페이지 =============================== */
#cv-page {
  background: var(--color-main-gray);
  color: var(--color-text-main);
  overflow-y: auto;
}

.cv-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  font-family: "Pretendard", sans-serif;
  font-size: 12px;
}

.cv-section {
  margin-bottom: 2rem;
  max-width: 820px;
}

.cv-section h3 {
  font-family: "Pretendard", sans-serif;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 0.75rem;
  line-height: 0;
}

.cv-section ul {
  list-style: none;
  padding-left: 0;
}

.cv-section li {
  margin-bottom: 0.25rem;
}

#detail-description a {
  color: inherit;
  text-decoration: underline;
}

#detail-description a:hover {
  opacity: 0.7;
}

.dash-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.dash-list li {
  position: relative;
  padding-left: 1.1em;
  margin: 6px 0;
}

.dash-list li::before {
  content: "-";
  position: absolute;
  left: 0;
  top: 0;
}

/* =============================== 모바일 =============================== */
@media (max-width: 768px) {
  :root {
    --bar-height: 2rem;
    --detail-page-side-padding: 0px;
    --detail-strip-thumb-maxh: 72px;
    --detail-strip-arrow-zone: 42px;
    --detail-strip-active-outline: 2px;
  }

  #main-title {
    animation: mobileTitleBlink 1.2s ease-in-out infinite;
    letter-spacing: 0em;
  }

  .cv-inner {
    max-width: 100%;
    padding: 4.5rem 1rem 2rem;
    font-size: 13px;
    line-height: 1.3;
  }

  .cv-section h3 {
    font-size: 13px;
  }
}