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

:root {
  --bg: #080808;
  --text: #e8e8e8;
  --text-dim: rgba(232, 232, 232, 0.4);
  --text-muted: rgba(232, 232, 232, 0.2);
  --accent: #e8e8e8;
  --font-display: 'Noto Serif SC', serif;
  --font-body: 'Noto Serif SC', serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  height: 100%;
  overflow: hidden;
}

::selection {
  background: rgba(255, 255, 255, 0.15);
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
}

.nav__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: 2.5rem;
}

.nav__links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: color 0.3s ease;
}

.nav__links a:hover {
  color: var(--text);
}

/* ---- FULLPAGE CONTAINER ---- */
.fullpage {
  height: 100vh;
  transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.section {
  height: 100vh;
}

/* ---- HERO ---- */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8rem 3rem 3rem;
}

.hero__top {
  opacity: 0;
  animation: fadeIn 0.8s ease 0.3s forwards;
}

.hero__intro {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  font-weight: 300;
}

/* ---- NAME — the visual anchor ---- */
.hero__name {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.05em;
  text-align: center;
  padding: 2rem 0;
  opacity: 0;
  animation: nameReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.hero__name-zh {
  display: block;
  font-size: clamp(6rem, 18vw, 16rem);
  color: var(--text);
}

.hero__name-en {
  display: block;
  font-family: 'Syne', serif;
  font-size: clamp(3rem, 9vw, 8rem);
  color: transparent;
  -webkit-text-stroke: 1px var(--text-muted);
  margin-top: -0.1em;
}

/* ---- BOTTOM ---- */
.hero__bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  opacity: 0;
  animation: fadeIn 0.8s ease 0.5s forwards;
}

.hero__desc {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-dim);
  font-weight: 300;
  max-width: 280px;
}

.hero__actions {
  display: flex;
  gap: 2rem;
  align-items: center;
}

/* ---- LINKS ---- */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 400;
  letter-spacing: 0.01em;
  transition: opacity 0.3s ease;
}

.link-arrow svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-arrow:hover svg {
  transform: translate(2px, -2px);
}

.link-arrow:hover {
  opacity: 0.7;
}

.link-quiet {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.3s ease;
}

.link-quiet:hover {
  color: var(--text);
}

/* ---- SCROLL HINT ---- */
.scroll-hint {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  height: 48px;
  opacity: 0;
  animation: fadeIn 0.8s ease 1s forwards;
  transition: opacity 0.4s ease;
}

.scroll-hint.is-hidden {
  opacity: 0 !important;
  pointer-events: none;
}

.scroll-hint__line {
  width: 1px;
  height: 100%;
  background: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.scroll-hint__line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--text-dim);
  animation: scrollLine 2s ease-in-out infinite;
}

/* ---- ANIMATIONS ---- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes nameReveal {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes scrollLine {
  0% { top: -50%; }
  100% { top: 100%; }
}

/* ---- PROJECTS ---- */
.projects {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.projects__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--text-muted);
}

.section-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.section-count {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.projects__list {
  list-style: none;
}

.project {
  border-bottom: 1px solid var(--text-muted);
  transition: border-color 0.3s ease;
}

.project:hover {
  border-color: var(--text-dim);
}

.project__link {
  display: grid;
  grid-template-columns: 3rem 1fr auto auto;
  align-items: center;
  gap: 2rem;
  padding: 1.6rem 0;
  text-decoration: none;
  color: var(--text);
  transition: opacity 0.3s ease;
}

.projects__list:hover .project:not(:hover) .project__link {
  opacity: 0.3;
}

.project__index {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.project__name {
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  transition: letter-spacing 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.project:hover .project__name {
  letter-spacing: 0.02em;
}

.project__meta {
  font-size: 0.78rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.project__arrow {
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.project:hover .project__arrow {
  color: var(--text);
}

.project__arrow svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.project:hover .project__arrow svg {
  transform: translate(2px, -2px);
}

.projects__note {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.projects__footer {
  margin-top: 2.5rem;
  text-align: right;
}

/* ---- AWARDS ---- */
.awards {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.awards__header {
  margin-bottom: 3rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--text-muted);
  flex-shrink: 0;
}

.awards__list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
  padding-right: 0.5rem;
}

.awards__list::-webkit-scrollbar {
  width: 2px;
}

.awards__list::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 1px;
}

.award {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--text-muted);
  transition: border-color 0.3s ease;
}

.awards__list:hover .award:not(:hover) {
  opacity: 0.3;
}

.award {
  transition: opacity 0.3s ease, border-color 0.3s ease;
}

.award:hover {
  border-color: var(--text-dim);
}

.award__year {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1;
  letter-spacing: -0.03em;
}

.award:hover .award__year {
  color: var(--text-dim);
}

.award__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.3rem;
}

.award__name {
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
}

.award__org {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ---- ABOUT ---- */
.about {
  height: 100vh;
  display: flex;
  align-items: center;
  padding: 4rem 3rem;
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.about__left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.about__headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.about__right {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.2rem;
  overflow-y: auto;
  min-height: 0;
  max-height: 70vh;
  padding-right: 0.5rem;
}

.about__right::-webkit-scrollbar {
  width: 2px;
}

.about__right::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 1px;
}

.about__text {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-dim);
  font-weight: 300;
}

.about__links {
  display: flex;
  gap: 2rem;
  margin-top: 1rem;
}

/* ---- MODAL ---- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal__box {
  position: relative;
  border: 1px solid var(--text-muted);
  padding: 3rem;
  text-align: center;
  max-width: 420px;
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal.is-open .modal__box {
  transform: scale(1);
}

.modal__text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.modal__close {
  margin-top: 2rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--text-muted);
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.modal__close:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

/* ---- CONTACT ---- */
.contact {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 3rem;
  text-align: center;
  position: relative;
}

.contact__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.contact__headline {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.contact__desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  font-weight: 300;
  max-width: 320px;
  line-height: 1.6;
}

.contact__email-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1rem;
  padding: 1rem 2rem;
  border: 1px solid var(--text-muted);
  text-decoration: none;
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: border-color 0.3s ease;
}

.contact__email-btn svg {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact__email-btn:hover {
  border-color: var(--text-dim);
}

.contact__email-btn:hover svg {
  transform: translate(2px, -2px);
}

.contact__links {
  display: flex;
  gap: 2rem;
  margin-top: 0.5rem;
}

.contact__links a {
  font-size: 0.85rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact__links a:hover {
  color: var(--text);
}

.contact__copyright {
  position: absolute;
  bottom: 2rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav { padding: 1.2rem 1.5rem; }
  .hero { padding: 7rem 1.5rem 2rem; }

  .hero__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }

  .nav__links { gap: 1.5rem; }

  .projects { padding: 3rem 1.5rem; }

  .award {
    grid-template-columns: 4rem 1fr;
    gap: 1rem;
  }

  .award__year { font-size: 1.4rem; }
  .award__name { font-size: 0.95rem; }
  .awards { padding: 3rem 1.5rem; }

  .about { padding: 3rem 1.5rem; }
  .about__layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .project__link {
    grid-template-columns: 2rem 1fr auto;
    gap: 1rem;
  }

  .project__meta { display: none; }
  .project__name { font-size: 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}