:root {
  --bg: #111215;
  --bg-soft: #191b20;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.1);
  --line: rgba(255, 255, 255, 0.12);
  --text: #f2eee7;
  --muted: rgba(242, 238, 231, 0.72);
  --accent: #d6c19b;
  --accent-soft: rgba(214, 193, 155, 0.18);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: min(1120px, calc(100vw - 48px));
  --font-sans: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC",
    -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: "Georgia", "Times New Roman", "Songti SC", serif;
  --ease: 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(154, 125, 92, 0.24), transparent 34%),
    radial-gradient(circle at 80% 16%, rgba(75, 84, 120, 0.2), transparent 24%),
    linear-gradient(180deg, #111215 0%, #0c0d10 100%);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.05), transparent 22%),
    radial-gradient(circle at 82% 14%, rgba(214, 193, 155, 0.08), transparent 18%);
  opacity: 0.9;
}

img {
  max-width: 100%;
  display: block;
}

button,
a {
  color: inherit;
}

button {
  font: inherit;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 120px 120px;
  mix-blend-mode: soft-light;
}

.page-shell {
  position: relative;
  width: var(--container);
  margin: 0 auto;
  padding: 24px 0 88px;
}

.hero,
.section {
  position: relative;
}

.hero {
  padding: 18px 0 36px;
}

.nav,
.hero-grid,
.intro-grid,
.project-grid,
.contact-panel {
  display: grid;
  gap: 24px;
}

.nav {
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-bottom: 44px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 12px;
  height: 44px;
  border-radius: 999px;
  background: linear-gradient(180deg, #f2eee7 0%, #d6c19b 100%);
  box-shadow: 0 0 32px rgba(214, 193, 155, 0.36);
}

.brand p,
.project-body p,
.metric-card span,
.modal-label {
  margin: 0;
}

.brand p {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  letter-spacing: 0.06em;
}

.brand span,
.eyebrow,
.project-visual span,
.filter-chip,
.card-link,
.contact-meta p,
.modal-label {
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.nav-button,
.primary-button,
.ghost-button,
.filter-chip,
.card-link,
.modal-close {
  border: 0;
  cursor: pointer;
  transition:
    transform var(--ease),
    background-color var(--ease),
    color var(--ease),
    border-color var(--ease),
    opacity var(--ease),
    box-shadow var(--ease);
}

.nav-button,
.primary-button {
  padding: 13px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, #f0e4cf 0%, #cfb488 100%);
  color: #141417;
  box-shadow: 0 16px 34px rgba(214, 193, 155, 0.18);
}

.ghost-button,
.filter-chip,
.card-link {
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  border: 1px solid var(--line);
}

.nav-button:hover,
.primary-button:hover,
.ghost-button:hover,
.filter-chip:hover,
.card-link:hover,
.modal-close:hover {
  transform: translateY(-2px);
}

.hero-grid {
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.85fr);
  align-items: end;
}

.hero-copy,
.hero-panel,
.intro-grid article,
.project-card,
.timeline-item,
.contact-panel,
.modal-panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-copy {
  padding: 42px;
  border-radius: var(--radius-xl);
}

.hero-copy h1,
.section-head h2,
.contact-panel h2,
.modal-panel h3 {
  margin: 0;
  font-family: var(--font-serif);
  line-height: 1.05;
}

.hero-copy h1 {
  max-width: 11ch;
  margin-top: 18px;
  font-size: clamp(3rem, 5vw, 5.4rem);
}

.hero-text {
  max-width: 58ch;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero-panel {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.hero-panel::before,
.project-card::before,
.contact-panel::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), transparent 32%);
  pointer-events: none;
}

.metric-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-card + .metric-card {
  margin-top: 16px;
}

.metric-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.metric-card.active {
  background: linear-gradient(180deg, rgba(214, 193, 155, 0.18), rgba(255, 255, 255, 0.06));
  border-color: rgba(214, 193, 155, 0.28);
}

.section {
  margin-top: 30px;
  padding: 34px 0 0;
}

.section-head {
  max-width: 760px;
}

.section-head h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 3vw, 3.3rem);
}

.intro-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 28px;
}

.intro-grid article,
.timeline-item {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.intro-grid article span,
.timeline-item > span {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
}

.intro-grid h3,
.timeline-item h3 {
  margin: 18px 0 10px;
  font-size: 1.2rem;
}

.intro-grid p,
.timeline-item p,
.contact-meta p,
#modal-text {
  margin: 0;
  color: var(--muted);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.filter-chip.active {
  background: rgba(214, 193, 155, 0.16);
  border-color: rgba(214, 193, 155, 0.28);
  color: var(--text);
}

.project-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 24px;
  align-items: stretch;
}

.project-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  transform: translateY(0);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 34px 96px rgba(0, 0, 0, 0.4);
}

.project-card::after {
  content: "";
  position: absolute;
  inset: -40% auto auto -30%;
  width: 60%;
  height: 220%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
  transform: rotate(18deg) translateX(-180%);
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

.project-card:hover::after {
  transform: rotate(18deg) translateX(320%);
}

.project-card[hidden] {
  display: none;
}

.project-card.is-entering {
  animation: card-enter 360ms cubic-bezier(0.22, 1, 0.36, 1);
}

.project-visual {
  position: relative;
  min-height: 240px;
  padding: 22px;
  display: flex;
  align-items: flex-end;
}

.gradient-beauty {
  background:
    radial-gradient(circle at 24% 22%, rgba(255, 255, 255, 0.42), transparent 28%),
    linear-gradient(135deg, #d4b89d 0%, #7d5f5c 48%, #1a1620 100%);
}

.gradient-living {
  background:
    radial-gradient(circle at 76% 16%, rgba(255, 255, 255, 0.34), transparent 22%),
    linear-gradient(135deg, #cabca2 0%, #5b5f4b 42%, #141719 100%);
}

.gradient-tech {
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.3), transparent 22%),
    linear-gradient(135deg, #9ea4b6 0%, #394252 40%, #12161d 100%);
}

.project-body {
  padding: 24px;
}

.project-body h3 {
  margin: 10px 0 18px;
  font-size: 1.35rem;
  line-height: 1.3;
}

.timeline {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
}

.contact-panel {
  position: relative;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  padding: 34px;
  border-radius: var(--radius-xl);
}

.contact-meta {
  display: grid;
  gap: 16px;
}

.contact-meta a {
  display: inline-flex;
  width: fit-content;
  text-decoration: none;
  font-size: 1.2rem;
  border-bottom: 1px solid rgba(214, 193, 155, 0.45);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition:
    opacity var(--ease),
    visibility var(--ease);
}

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

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 9, 12, 0.72);
  backdrop-filter: blur(12px);
}

.modal-panel {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  padding: 28px;
  border-radius: 28px;
  transform: translateY(12px) scale(0.98);
  transition:
    transform var(--ease),
    opacity var(--ease);
}

.modal.is-open .modal-panel {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.modal-panel h3 {
  margin-top: 12px;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
}

#modal-text {
  margin-top: 12px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 520ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal.delay-1 {
  transition-delay: 90ms;
}

.js .reveal.delay-2 {
  transition-delay: 160ms;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 960px) {
  .page-shell {
    width: min(100vw - 32px, 1120px);
  }

  .hero-grid,
  .contact-panel,
  .project-grid,
  .intro-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-panel,
  .contact-panel {
    padding: 28px;
  }

  .project-visual {
    min-height: 200px;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 24px, 1120px);
    padding-top: 18px;
    padding-bottom: 64px;
  }

  .nav {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    padding: 26px;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(2.4rem, 10vw, 4rem);
  }

  .section-head h2 {
    font-size: clamp(1.8rem, 8vw, 2.7rem);
  }

  .filter-bar,
  .hero-actions {
    gap: 10px;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}