/* Never-Night Workshop — Homepage */

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

:root {
  --color-bg: #000000;
  --color-text: #ffffff;
  --color-text-muted: #999999;
  --color-border: #ffffff;
  --font-newyork: "New York", sans-serif;
  --font-notosanshk: "Noto Sans HK", sans-serif;
  --page-padding: clamp(32px, 5.5vw, 88px);
  --gutter: var(--page-padding);
  --nav-height: 56px;
  --font-nav: 16px;
  --font-intro-title: clamp(36px, 4.5vw, 56px);
  --font-intro-body: 16.8px;
  --font-project-zh: 18px;
  --font-project-en: 16px;
  --font-project-cat: 14px;
  --font-footer-body: clamp(15px, 1.35vw, 18px);
  --font-footer-btn: clamp(13px, 1.1vw, 15px);
  --font-footer-copy: clamp(13px, 1.1vw, 15px);
}

html {
  scroll-behavior: smooth;
  width: 100%;
}

header {
  position: relative;
  width: 100%;
}

body {
  width: 100%;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-newyork), var(--font-notosanshk), serif;
  font-weight: 400;
  font-size: 13px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

main {
  width: 100%;
  max-width: 1600px;
  box-sizing: border-box;
  /* padding: 0 100px; */
  margin: 0 auto;
  padding: 15px 0;
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1600px;
  padding: 0 var(--page-padding);
  margin: 0 auto;
  box-sizing: border-box;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.swiper-pagination-bullet-active {
  background: var(--color-text) !important;
}

.swiper-button-next, 
.swiper-button-prev {
  filter: brightness(0) invert(1);
}

.banner .item {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 20 / 9;
  margin: 0 auto;
  box-sizing: border-box;
}

.banner.home-banner .item {
  aspect-ratio: 16 / 9;
}

.banner .item img,
.banner .item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
}

@media screen and (max-width: 768px) {
  .banner .item {
    aspect-ratio: 16 / 9;
  }
}

/* —— Hero —— */
.hero {
  position: relative;
  width: 100%;
  height: auto;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 32%;
}

/* —— Navigation —— */
.nav {
  /* position: absolute; */
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  /* justify-content: flex-end; */
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  min-height: var(--nav-height);
  background-color: transparent;
  transition: background-color 0.25s ease-out, box-shadow 0.3s ease;
}

.nav.scrolled {
  background-color: rgba(0, 0, 0, 0.92);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.nav .site-header__brand {
  opacity: 0;
  cursor: default;
}

.nav.scrolled .site-header__brand {
  opacity: 1;
  cursor: pointer;
}

.nav .site-header__brand.show {
  opacity: 1;
  cursor: pointer;
}

/* Footer brand in view: hide header brand to avoid double logos */
.nav .site-header__brand.is-faded,
.nav.scrolled .site-header__brand.is-faded,
.nav .site-header__brand.show.is-faded {
  opacity: 0;
  pointer-events: none;
}

.nav .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: clamp(16px, 2.5vw, 40px);
  list-style: none;
}

.nav-list a {
  font-family: var(--font-newyork);
  font-size: var(--font-nav);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.nav-list li a {
  position: relative;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text);
  white-space: nowrap;
  cursor: pointer;
}

.nav-list li a::after {
  content: "";
  display: block;
  visibility: hidden;
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 1px;
  transform: scaleX(0) translate(0, 0);
  transition: all 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
  background-color: var(--color-text);
}

.nav-list li a:hover::after,
.nav-list li.active a::after {
  visibility: visible;
  transform: scaleX(1) translate(0, 0);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.25s, opacity 0.25s;
}

/* —— Intro —— */
.intro {
  display: grid;
  grid-template-columns: minmax(220px, 1.15fr) 1fr 1fr;
  gap: clamp(32px, 4.5vw, 72px);
  width: 100%;
  padding: clamp(56px, 8vw, 100px) var(--page-padding);
  align-items: start;
}

.intro-brand {
  position: relative;
  display: block;
}

.intro-title {
  position: relative;
  display: inline-block;
  max-width: 6em;
  font-family: var(--font-newyork);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.15;
}

.intro-logo {
  position: relative;
  width: 100%;
  aspect-ratio: 239 / 98;
}
.intro-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.intro-text p + p {
  margin-top: 1.2em;
}

.intro-text--zh {
  font-family: var(--font-notosanshk);
  font-size: var(--font-intro-body);
  line-height: 1.75;
}

.intro-text--zh p {
  white-space: pre-wrap;
}

.intro-text--en {
  font-family: var(--font-notosanshk);
  font-size: var(--font-intro-body);
  line-height: 1.75;
}

.intro-text--en p {
  white-space: pre-wrap;
}

/* —— Gallery —— */
.gallery {
  width: 100%;
  padding: 0 var(--page-padding) clamp(72px, 10vw, 140px);
}

.gallery-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 40px;
  row-gap: 56px;
  align-items: start;
}

.project-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.project-card__link {
  display: block;
  color: inherit;
}

.project-card__image-wrap {
  position: relative;
  width: 100%;
  margin-bottom: 14px;
  overflow: hidden;
  /* border-radius: 8px; */
  box-sizing: border-box;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.project-card__image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.project-card:hover .project-card__image {
  transform: scale(1.03);
}

.project-card__play {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 1;
}

.project-card__play svg {
  width: clamp(40px, 7vw, 64px);
  height: clamp(40px, 7vw, 64px);
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.45));
  transition: transform 0.25s ease, opacity 0.25s ease;
  opacity: 0.92;
}

.project-card--video:hover .project-card__play svg {
  transform: scale(1.06);
  opacity: 1;
}

.project-card__title-zh {
  font-family: var(--font-notosanshk);
  font-size: var(--font-project-zh);
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 4px;
}

.project-card__title-en {
  font-family: var(--font-notosanshk);
  font-size: var(--font-project-en);
  font-weight: 400;
  line-height: 1.4;
  margin-bottom: 8px;
}

.project-card__category {
  font-family: var(--font-notosanshk);
  font-size: var(--font-project-cat);
  color: var(--color-text-muted);
  font-weight: 400;
}

/* 滚动入场：fade-up 动效（参照 bobwongphotography gallery-masonry） */
.gallery .project-card {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.gallery .project-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .gallery .project-card,
  .gallery .project-card.is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* —— Footer —— */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.footer-inner {
  position: relative;
  width: 100%;
  padding: clamp(10px, 2vw, 45px) 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: flex-start;
  column-gap: 0;
  row-gap: 1.5em;
}

.footer-copy {
  position: relative;
  width: 100%;
  padding: 1em 0;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  column-gap: 0;
  row-gap: 1.5em;
}

.footer-copy p {
  width: 100%;
  text-align: left;
  font-family: var(--font-notosanshk);
  font-size: var(--font-footer-copy);
  font-weight: 400;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.footer-column {
  width: 100%;
  max-width: 500px;
  padding-right: 45px;
  display: grid;
  justify-content: flex-start;
  align-items: flex-start;
}
.footer-column.footer-column-3x {
  width: calc(100%  / 3);
}
.footer-column.footer-column-4x {
  width: calc(100% / 4);
}
.footer-column:first-child {
  justify-content: flex-start;
}
.footer-column:last-child {
  justify-content: flex-end;
  padding-right: 0;
}

@media screen and (min-width: 1200px) {
  .footer-column.footer-column-offset-3x {
    margin-left: calc(100%  / 3);
  }
}

@media screen and (max-width: 1200px) {
  .footer-column.footer-column-4x {
    width: calc(100% / 2);
    justify-content: flex-start;
  }
  .footer-column.footer-column-4x:last-child {
    justify-content: flex-start;
  }
}

@media screen and (max-width: 992px) {
  .footer-column.footer-column-3x {
    width: calc(100%  / 2);
    justify-content: flex-start;
  }
  .footer-column.footer-column-3x:last-child {
    justify-content: flex-start;
  }
}

@media screen and (max-width: 768px) {
  .footer-column.footer-column-3x {
    width: 100%;
  }
  .footer-column.footer-column-4x {
    width: 100%;
  }
}

.footer-landmark {
  position: relative;
  overflow: hidden;
  max-width: 360px;
  /* width: 100%; */
  width: calc(100% - 20px);
  aspect-ratio: 16 / 10;
}

.footer-landmark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left;
}

.footer-address {
  font-family: var(--font-notosanshk), var(--font-newyork), serif;
  font-size: var(--font-footer-body);
  line-height: 1.65;
  margin-bottom: 1.5em;
}

.footer-address > p {
  display: block;
  width: 100%;
}

.footer-address > p:first-child {
  margin-bottom: 1em;
}

.footer-other {
  margin-bottom: 1em;
}

.footer-contact-btn {
  display: inline-block;
  padding: 0 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-family: var(--font-newyork);
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  transition: background 0.25s, color 0.25s;
}
.footer-contact-btn:hover, 
.footer-contact-btn:focus {
  background: var(--color-border);
  color: var(--color-bg);
}

.footer-phone,
.footer-email {
  display: block;
  width: 100%;
  margin-bottom: 6px;
  font-family: var(--font-notosanshk), var(--font-newyork), serif;
  font-size: var(--font-footer-body);
  font-weight: 400;
  line-height: 1.65;
}

.footer-phone a,
.footer-email a {
  transition: opacity 0.2s;
}

.footer-phone a:hover,
.footer-email a:hover {
  opacity: 0.65;
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: clamp(16px, 2vw, 24px);
  list-style: none;
  margin-top: 1.5em;
}

.footer-social a {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.footer-social a:hover {
  opacity: 1;
}

.footer-social img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-social svg {
  width: clamp(22px, 2vw, 28px);
  height: clamp(22px, 2vw, 28px);
  fill: currentColor;
}

/* —— Scroll to Top —— */
.scroll-to-top {
  position: fixed;
  right: 1.2rem;
  bottom: clamp(48px, 6vw, 80px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.85);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.35s ease-out, visibility 0.35s ease-out, transform 0.35s ease-out;
  cursor: pointer;
}

.scroll-to-top::before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  border-left: 1px solid var(--color-text);
  border-top: 1px solid var(--color-text);
  transform: rotate(45deg);
  margin-top: 3px;
}

.scroll-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-to-top:hover {
  background: var(--color-text);
}

.scroll-to-top:hover::before {
  border-color: var(--color-bg);
}

@media (max-width: 960px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
    row-gap: 40px;
  }
}

@media (max-width: 600px) {
  .gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
    row-gap: 28px;
  }
}

/* —— Tablet —— */
@media (max-width: 1024px) {
  .intro {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "brand brand"
      "zh en";
  }

  .intro-brand {
    grid-area: brand;
  }

  .intro-text--zh {
    grid-area: zh;
  }

  .intro-text--en {
    grid-area: en;
  }

  .intro-text--zh,
  .intro-text--en {
    min-width: 0;
  }
}

/* —— Mobile —— */
@media (max-width: 992px) {
  :root {
    --page-padding: clamp(20px, 5vw, 32px);
  }

  .hero {
    height: clamp(280px, 52vh, 480px);
    min-height: 0;
  }

  .hero-video {
    height: clamp(280px, 52vh, 480px);
    object-position: center 30%;
  }

  .nav {
    /* justify-content: flex-end; */
    justify-content: space-between;
    padding: 15px 0;
  }

  .nav-toggle {
    display: flex;
    z-index: 12;
  }

  .nav-list {
    position: fixed;
    inset: 0;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    background: rgba(0, 0, 0, 0.96);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s, visibility 0.3s;
  }

  .nav-list a {
    font-size: 20px;
  }

  .nav.is-open .nav-list {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav.is-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav.is-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav.is-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  header .site-header__brand {
    max-width: 8em;
  }

  .intro {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .intro-brand,
  .intro-text--zh,
  .intro-text--en {
    grid-area: unset;
    width: 100%;
    min-width: 0;
  }

  .intro-brand {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
  }

  .intro-title {
    flex: 1;
    min-width: 0;
  }

  .intro-text p {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .intro-text--zh,
  .intro-text--en {
    text-align: left;
  }
}

@media (max-width: 480px) {
  :root {
    --font-nav: 15px;
    --font-intro-body: 15px;
    --font-project-zh: 17px;
    --font-project-en: 15px;
    --font-project-cat: 13px;
  }

  .intro-title {
    font-size: clamp(32px, 9vw, 40px);
  }

  .nav-list {
    gap: 22px;
  }

  .nav-list a {
    font-size: 18px;
  }
}

.gallery-pagination {
    margin-top: clamp(40px, 5vw, 64px);
}

.gallery-pagination ul {
    display: flex;
    justify-content: center;
}

.gallery-pagination ul li {
    display: block;
    list-style: none;
    margin: 0 5px;
    padding: 5px 10px;
}

.gallery-pagination ul li:hover,
.gallery-pagination ul li.active {
    background-color: #fff;
    color: #000;
}

.gallery-pagination ul li.pageinfo:hover {
    background: none;
    color: #fff;
}