/* Hallmark · genre: editorial-luxury · macrostructure: Split Studio (full-viewport diptych) · theme: custom (tuned)
 * vibe: "warm ivory studio, deep ink, a quiet gold signature" · paper: oklch(96.5% 0.012 80) · accent: oklch(55% 0.12 75)
 * display: Fraunces + Noto Serif SC · body: Geist + Noto Sans SC · outlier: Geist Mono
 * axes: light / roman-serif / chromatic-gold · enrichment: none (typography + hairline) · nav: N9 edge-aligned · footer: Ft6 letter close
 */

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

html,
body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
}

html {
  height: 100%;
}

body {
  height: 100%;
  background:
    radial-gradient(ellipse 70% 55% at 72% 0%, oklch(98.5% 0.008 80), transparent 60%),
    radial-gradient(ellipse 40% 30% at 100% 100%, oklch(88% 0.02 160 / 0.35), transparent 70%),
    linear-gradient(180deg, oklch(97.5% 0.012 80) 0%, oklch(93.5% 0.015 82) 100%);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: anywhere;
}

h1, h2, h3, p, figure, ul, ol {
  margin: 0;
}

ul, ol {
  padding: 0;
  list-style: none;
}

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

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

::selection {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ---- film grain (subtle, premium paper texture) ---- */
.grain {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   SITE · full-viewport column (nav / split / footer)
   ============================================================ */
.site {
  position: relative;
  z-index: 1;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.page-shell {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

/* ============================================================
   NAV · N9 edge-aligned minimal
   ============================================================ */
.site-nav {
  flex: 0 0 auto;
  border-bottom: var(--rule) solid var(--color-rule);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.brand .brand__en {
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  font-size: var(--text-sm);
  color: var(--color-ink-2);
  transition: color var(--dur-short) var(--ease-out);
}

.nav-links a:hover {
  color: var(--color-ink);
}

.nav-links .nav-link--accent {
  color: var(--color-accent);
}

.nav-links .nav-link--accent:hover {
  color: var(--color-accent-hover);
}

/* ============================================================
   SPLIT · diptych — left statement / right entries
   ============================================================ */
.split {
  flex: 1 1 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  padding-block: clamp(1.25rem, 4vh, 2.75rem);
  min-height: 0;
}

/* soft gold depth behind the statement (not a blob — a faint warm anchor) */
.split__glow {
  position: absolute;
  top: -6rem;
  left: -6rem;
  width: min(42rem, 60vw);
  height: 42rem;
  background: radial-gradient(closest-side, oklch(70% 0.11 80 / 0.18), transparent 70%);
  filter: blur(24px);
  pointer-events: none;
  z-index: 0;
}

.split__left,
.split__right {
  position: relative;
  z-index: 1;
}

/* ---- left: statement ---- */
.split__left {
  max-width: 36rem;
}

.identity {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.identity__mono {
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.identity__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
}

.identity__rule {
  flex: 0 0 2.5rem;
  height: var(--rule);
  background: var(--color-rule-2);
}

.title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-display);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  max-width: 11ch;
}

.lede {
  margin-top: var(--space-lg);
  max-width: 30ch;
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-2);
}

.lede-en {
  margin-top: var(--space-sm);
  max-width: 34ch;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: var(--text-base);
  color: var(--color-ink-2);
}

.split__src {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: color var(--dur-short) var(--ease-out);
}

.split__src:hover {
  color: var(--color-accent-hover);
}

/* ---- right: two entries ---- */
.split__right {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.entry {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: clamp(1.25rem, 2.2vw, 1.75rem) clamp(1.25rem, 2.2vw, 1.75rem);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}

.entry::before {
  content: "";
  position: absolute;
  top: -3rem;
  right: -2rem;
  width: 12rem;
  height: 12rem;
  background: radial-gradient(closest-side, var(--entry-glow), transparent 72%);
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
}

.entry__body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.entry__arrow {
  position: relative;
  z-index: 1;
  flex: 0 0 auto;
  font-size: var(--text-xl);
  transition: transform var(--dur-short) var(--ease-out);
}

.entry:hover {
  transform: translateY(-0.25rem);
}

.entry__meta {
  font-family: var(--font-outlier);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.entry__name {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.entry__name h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-2xl);
}

.entry__name .name__en {
  font-family: var(--font-outlier);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.8;
}

.entry__desc {
  font-size: var(--text-sm);
  max-width: 26ch;
  line-height: 1.5;
}

.entry:hover .entry__arrow {
  transform: translateX(0.25rem);
}

/* entry · 雅译 */
.entry--yeyi {
  --entry-glow: var(--yeyi-glow);
  background: linear-gradient(150deg, var(--yeyi-paper), var(--yeyi-paper-2));
  color: var(--yeyi-ink);
  border: var(--rule) solid oklch(84% 0.014 200);
  box-shadow: 0 1rem 2.5rem -1.25rem oklch(35% 0.05 70 / 0.26);
}

.entry--yeyi .entry__name h2 {
  font-family: var(--yeyi-font);
  font-weight: 600;
}

.entry--yeyi .entry__meta {
  color: var(--yeyi-muted);
}

.entry--yeyi .entry__desc {
  color: var(--yeyi-muted);
}

.entry--yeyi .entry__arrow {
  color: var(--yeyi-accent);
}

.entry--yeyi:hover {
  box-shadow: 0 1.5rem 3rem -1.5rem oklch(35% 0.08 255 / 0.35);
}

/* entry · 枳生天气 */
.entry--weather {
  --entry-glow: var(--wx-glow);
  background: linear-gradient(155deg, var(--wx-paper), var(--wx-paper-2));
  color: var(--wx-ink);
}

/* glass top highlight — makes the dark panel read as a lit electronic surface */
.entry--weather::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 45%;
  background: linear-gradient(180deg, var(--wx-highlight), transparent);
  pointer-events: none;
  z-index: 0;
}

.entry--weather .entry__name h2 {
  font-family: var(--wx-font);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.entry--weather .entry__meta {
  color: var(--wx-muted);
}

.entry--weather .entry__desc {
  color: var(--wx-muted);
}

.entry--weather .entry__arrow {
  color: var(--wx-accent);
}

.entry--weather:hover {
  box-shadow: 0 1.5rem 3rem -1.5rem oklch(20% 0.05 205 / 0.5), 0 0 2.5rem -0.5rem var(--wx-glow);
}

/* ============================================================
   FOOTER · Ft6 letter close
   ============================================================ */
.footer {
  flex: 0 0 auto;
  border-top: var(--rule) solid var(--color-rule);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
  padding-block: var(--space-md);
}

.footer__statement {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-md);
  color: var(--color-ink);
}

.footer__right {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.footer__links {
  display: flex;
  gap: var(--space-xl);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-ink-2);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__fine {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ============================================================
   ENTRANCE (one orchestrated reveal on load)
   ============================================================ */
.enter {
  opacity: 0;
  transform: translateY(1rem);
  animation: rise-in var(--dur-long) var(--ease-out) forwards;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: none;
  }
}

/* stagger */
.enter--1 { animation-delay: 0.05s; }
.enter--2 { animation-delay: 0.12s; }
.enter--3 { animation-delay: 0.19s; }
.enter--4 { animation-delay: 0.26s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
    padding-block: var(--space-2xl);
  }

  .split__left {
    max-width: 32rem;
  }

  body {
    height: auto;
  }

  .site {
    min-height: 100dvh;
  }
}

@media (max-width: 414px) {
  .title {
    font-size: var(--text-display-s);
  }

  .entry__name h2 {
    font-size: var(--text-xl);
  }

  .nav-inner,
  .footer__inner {
    flex-wrap: wrap;
  }
}

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

  .enter {
    opacity: 1;
    transform: none;
    animation: none;
  }
}