/* Ethan — 2026 minimal shell: top dock + bento */
:root {
  --bg: #050606;
  --surface: rgba(8, 10, 9, 0.82);
  --surface-hover: rgba(10, 12, 11, 0.9);
  --surface-glass: rgba(8, 10, 9, 0.22);
  --surface-glass-hover: rgba(10, 12, 11, 0.34);
  --border: rgba(255, 255, 255, 0.1);
  --text: #f6f5f2;
  --text-muted: #b5b2a9;
  --accent: #22b573;
  --accent-dim: #19a15f;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --font: "Onest", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", serif;
  --max: 1080px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(34, 181, 115, 0.2);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  touch-action: manipulation;
}

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

/* Wallpaper */
#backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  background-color: var(--bg);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  filter: saturate(1) brightness(0.58);
  transform: scale(1.03);
  transition: transform 14s var(--ease), filter 1s ease;
}

#backdrop.is-loaded {
  transform: scale(1);
  filter: saturate(1.05) brightness(0.68) contrast(1.02);
}

.backdrop-vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(
      ellipse 90% 70% at 50% 55%,
      rgba(5, 6, 6, 0.55) 0%,
      transparent 72%
    ),
    linear-gradient(
      180deg,
      rgba(5, 6, 6, 0.25) 0%,
      rgba(5, 6, 6, 0.55) 42%,
      rgba(5, 6, 6, 0.88) 100%
    );
}

.backdrop-grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.1;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
}

/* Shell */
.shell {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  width: min(var(--max), 100% - 2rem);
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.shell > .content {
  flex: 1;
}

/* Top dock */
.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.5rem 0.5rem 0.65rem;
  margin-bottom: clamp(2rem, 6vw, 3.5rem);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(8, 10, 9, 0.82);
  backdrop-filter: blur(20px) saturate(1.05);
  -webkit-backdrop-filter: blur(20px) saturate(1.05);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
  padding-right: 0.25rem;
}

.topbar-brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.topbar-brand img.is-ready {
  opacity: 1;
}

.topbar-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0.15rem;
}

.topbar-nav::-webkit-scrollbar {
  display: none;
}

.nav-pill {
  flex-shrink: 0;
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-pill);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-pill:hover {
  color: var(--text);
  background: var(--surface-hover);
}

.nav-pill.is-active {
  color: var(--bg);
  background: var(--text);
  font-weight: 600;
}

.topbar-extra {
  display: flex;
  gap: 0.35rem;
  flex-shrink: 0;
  padding-left: 0.15rem;
}

.nav-pill--ghost {
  font-size: 0.75rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--border);
}

.nav-pill--ghost:hover {
  border-color: rgba(34, 181, 115, 0.45);
  color: var(--accent);
}

/* Content */
.content {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.hero {
  max-width: 40rem;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 1rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  border-radius: var(--radius-pill);
  background: rgba(34, 181, 115, 0.12);
}

.hero-label::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero-title {
  margin: 0;
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.hero-lead {
  margin: 1rem 0 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 32rem;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.9);
}

/* Page sub */
.page-head {
  max-width: 36rem;
}

.page-head h1 {
  margin: 0.35rem 0 0;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.page-head p {
  margin: 0.65rem 0 0;
  color: var(--text-muted);
  line-height: 1.6;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.9);
}

/* Bento — home */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  align-items: stretch;
  gap: 10px;
}

.bento-item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.35rem;
  min-height: 120px;
  padding: 1.25rem 1.35rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  overflow: hidden;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.3s var(--ease);
}

a.bento-item:hover {
  background: var(--surface-hover);
  border-color: rgba(34, 181, 115, 0.35);
}

/* 首行双卡 — 等分、与下方宫格统一 */
.bento-hero {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.bento-item--lg {
  min-height: 148px;
  padding: 1.2rem 1.35rem 1.15rem;
  padding-top: 2.5rem;
}

/* 首行：透明玻璃，露出壁纸 */
.bento-hero .bento-item--lg {
  background: linear-gradient(
    145deg,
    rgba(34, 181, 115, 0.12) 0%,
    rgba(255, 255, 255, 0.05) 42%,
    var(--surface-glass) 100%
  );
  border-color: rgba(34, 181, 115, 0.22);
  backdrop-filter: blur(14px) saturate(1.08);
  -webkit-backdrop-filter: blur(14px) saturate(1.08);
}

.bento-hero a.bento-item--lg:hover {
  background: linear-gradient(
    145deg,
    rgba(34, 181, 115, 0.18) 0%,
    rgba(255, 255, 255, 0.07) 42%,
    var(--surface-glass-hover) 100%
  );
  border-color: rgba(34, 181, 115, 0.38);
}

.bento-hero .bento-kicker,
.bento-hero .bento-title,
.bento-hero .bento-title--quote,
.bento-hero .bento-desc,
.bento-hero .bento-arrow {
  text-shadow:
    0 1px 10px rgba(0, 0, 0, 0.9),
    0 0 1px rgba(0, 0, 0, 0.85);
}

.bento-title--quote {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(0.95rem, 2.2vw, 1.08rem);
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: 0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (min-width: 720px) {
  .bento-item--lg {
    min-height: 168px;
  }

  .bento-item--sm {
    grid-column: span 3;
  }
}

.bento-kicker {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.bento-title {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.bento-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.bento-arrow {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  font-size: 1rem;
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.25s var(--ease);
}

a.bento-item:hover .bento-arrow {
  color: var(--accent);
  transform: translate(2px, -2px);
}

.bento-item--accent {
  background: linear-gradient(
    145deg,
    rgba(34, 181, 115, 0.18) 0%,
    rgba(255, 255, 255, 0.04) 60%
  );
  border-color: rgba(34, 181, 115, 0.25);
}

/* Link mosaic — inner pages */
.section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.section-label {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.link-mosaic {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.link-tile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.link-tile:hover {
  background: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.14);
}

.link-tile--accent:hover {
  border-color: rgba(34, 181, 115, 0.4);
}

.link-tile-title {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.link-tile-desc {
  font-size: 0.74rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.link-tile-meta {
  margin-top: 0.35rem;
  font-size: 0.7rem;
  color: var(--accent);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.link-tile:hover .link-tile-meta {
  opacity: 1;
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding-top: 1.5rem;
  padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  width: 100%;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.85);
}

.site-footer a {
  color: var(--text-muted);
  text-underline-offset: 3px;
}

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

/* Reveal */
[data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition:
    opacity 0.55s var(--ease),
    transform 0.55s var(--ease);
  transition-delay: calc(var(--d, 0) * 50ms);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* —— Mobile & touch —— */
@media (max-width: 768px) {
  .shell {
    width: 100%;
    padding:
      max(0.75rem, env(safe-area-inset-top))
      max(1rem, env(safe-area-inset-right))
      max(2rem, env(safe-area-inset-bottom))
      max(1rem, env(safe-area-inset-left));
  }

  .topbar {
    position: sticky;
    top: max(0.5rem, env(safe-area-inset-top));
    z-index: 100;
    flex-wrap: nowrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 0.45rem 0.45rem 0.45rem 0.55rem;
    border-radius: var(--radius-lg);
  }

  .topbar-brand {
    margin-bottom: 0;
    min-width: 0;
  }

  .topbar-name {
    font-size: 0.88rem;
    max-width: 4.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .topbar-nav {
    order: 0;
    flex: 1;
    min-width: 0;
    margin: 0 -0.15rem;
    padding: 0.1rem 0.15rem;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    mask-image: linear-gradient(
      90deg,
      transparent,
      #000 8px,
      #000 calc(100% - 8px),
      transparent
    );
  }

  .nav-pill {
    scroll-snap-align: start;
    min-height: 40px;
    padding: 0.5rem 0.9rem;
    font-size: 0.78rem;
  }

  .topbar-extra {
    margin-left: 0;
    flex-shrink: 0;
  }

  .nav-pill--ghost {
    padding: 0.45rem 0.65rem;
    font-size: 0.7rem;
  }

  .hero-title {
    font-size: clamp(1.85rem, 9vw, 2.5rem);
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  .page-head h1 {
    font-size: clamp(1.65rem, 7vw, 2.1rem);
  }

  .bento {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .bento-item,
  .bento-hero {
    grid-template-columns: 1fr;
  }

  .bento-item--lg,
  .bento-item--sm {
    grid-column: 1 / -1;
    min-height: 108px;
    height: auto;
    padding: 1.1rem 1.15rem;
    padding-top: 2.25rem;
  }

  .bento-title--quote {
    -webkit-line-clamp: 4;
  }

  .bento-arrow {
    top: 0.9rem;
    right: 0.9rem;
  }

  .link-mosaic {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .link-tile {
    min-height: 52px;
    padding: 1rem 1.15rem;
  }

  .site-footer {
    margin-top: auto;
    padding-top: 1.25rem;
  }
}

@media (hover: none) and (pointer: coarse) {
  .link-tile-meta {
    opacity: 0.75;
  }

  .bento-arrow {
    opacity: 1;
    color: var(--text-muted);
  }

  a.bento-item:active,
  .link-tile:active {
    transform: scale(0.98);
    background: var(--surface-hover);
  }

  .bento-hero a.bento-item--lg:active {
    background: linear-gradient(
      145deg,
      rgba(34, 181, 115, 0.18) 0%,
      rgba(255, 255, 255, 0.07) 42%,
      var(--surface-glass-hover) 100%
    );
  }
}

@media (max-width: 380px) {
  .topbar-extra .nav-pill--ghost {
    display: none;
  }

  .nav-pill {
    padding: 0.5rem 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  #backdrop,
  a.bento-item:hover {
    transition: none;
    transform: none;
  }
}