/* ============================================================
   DAILY WONDERS — WABI-SABI INK 🖌️
   水墨侘寂：留白、枯寂、一笔定乾坤
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Noto+Serif+SC:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400&display=swap');

:root {
  /* Wabi-Sabi Ink 调色板 */
  --bg:       #f7f5f0;
  --bg-alt:   #ede9e1;
  --ink:      #1a1a1a;
  --ink-dim:  rgba(26,26,26,0.55);
  --ink-faint:rgba(26,26,26,0.08);
  --white:    #ffffff;

  /* 单色系 + 极简点缀 */
  --moss:     #7a8471;
  --clay:     #a89080;
  --sepia:    #8b7355;

  /* 分类色 — 全部低饱和，只在边界处微微暗示 */
  --c-tech:     #6b7b8a;
  --c-art:      #a0879a;
  --c-world:    #a89080;
  --c-science:  #7a8471;
  --c-life:     #b07a6a;
  --c-space:    #5a6a7a;
  --c-business: #8b7355;

  /* 字体 */
  --display: 'Cormorant Garamond', 'Noto Serif SC', serif;
  --body:    'Noto Serif SC', 'Cormorant Garamond', serif;
  --mono:    'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  font-weight: 400;
  line-height: 1.7;
}

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

/* === 纸纹理背景 === */
.shapes {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none; overflow: hidden;
}

.sh { position: absolute; opacity: 0.04; }

/* 水墨晕染 */
.sh-blur1 {
  width: 400px; height: 400px;
  top: -100px; left: -100px;
  background: radial-gradient(circle, var(--ink) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.03;
}
.sh-blur2 {
  width: 500px; height: 500px;
  bottom: -150px; right: -150px;
  background: radial-gradient(circle, var(--moss) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.04;
}
.sh-blur3 {
  width: 300px; height: 300px;
  top: 40%; left: 60%;
  background: radial-gradient(circle, var(--clay) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.03;
}

/* 円相 Enso — 手绘圆 */
.sh-enso {
  width: 200px; height: 200px;
  top: 12%; right: 5%;
  border: 2px solid var(--ink);
  border-radius: 50%;
  opacity: 0.05;
  border-bottom-color: transparent;
  transform: rotate(-30deg);
}

.sh-enso2 {
  width: 120px; height: 120px;
  bottom: 20%; left: 3%;
  border: 1.5px solid var(--moss);
  border-radius: 50%;
  opacity: 0.06;
  border-right-color: transparent;
  transform: rotate(45deg);
}

/* 极淡的竖线 — 竹简意象 */
.sh-line {
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, var(--ink-faint), transparent);
  opacity: 0.5;
}
.s6 { top: 0; left: 25%; }
.s7 { top: 0; left: 75%; }

@keyframes inkspread {
  0% { transform: scale(0.95); opacity: 0; }
  100% { transform: scale(1); opacity: 0.04; }
}

/* === 顶栏 === */
.topbar {
  position: sticky; top: 0; z-index: 100;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 1rem 2.5rem;
  padding-top: calc(1rem + env(safe-area-inset-top, 0px));
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: rgba(247,245,240,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ink-faint);
  color: var(--ink-dim);
}

.topbar-left {
  text-align: left;
}

.topbar-logo {
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--ink);
  transition: color 0.3s;
  text-align: center;
  font-style: italic;
}
.topbar-logo:hover { color: var(--moss); }

.topbar-right {
  display: flex;
  justify-content: flex-end;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.topbar-date { color: var(--ink-dim); }

.topbar-link {
  color: var(--ink-dim);
  transition: color 0.3s;
}
.topbar-link:hover { color: var(--moss); }

/* === HERO === */
.hero {
  min-height: 90vh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  position: relative; z-index: 1;
  padding: 3rem 2rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--ink-faint);
  padding: 0.6rem 2rem;
  border-radius: 100px;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeIn 1s ease 0.3s forwards;
}

.hero-main {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
  position: relative;
  z-index: 2;
}

.hero-day-wrap {
  position: relative;
}

.hero-day {
  font-family: var(--display);
  font-size: clamp(7rem, 18vw, 16rem);
  font-weight: 300;
  line-height: 0.85;
  color: var(--ink);
  letter-spacing: -6px;
  opacity: 0;
  animation: brushDown 1.2s cubic-bezier(0.16,1,0.3,1) 0.5s forwards;
}

/* Enso behind day number */
.hero-day-deco {
  position: absolute;
  top: 5%; right: -20%;
  width: 70%; height: 90%;
  border: 2px solid var(--moss);
  border-radius: 50%;
  border-bottom-color: transparent;
  z-index: -1;
  opacity: 0;
  animation: ensoDraw 1.5s cubic-bezier(0.16,1,0.3,1) 0.7s forwards;
  transform: rotate(-45deg);
}

.hero-side {
  display: flex; flex-direction: column;
  justify-content: flex-end;
  gap: 0.4rem;
  padding-bottom: 0.8rem;
  text-align: left;
  opacity: 0;
  animation: fadeIn 1s ease 1s forwards;
}

.hero-month {
  font-family: var(--display);
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--moss);
  font-style: italic;
}

.hero-year {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--ink-dim);
  letter-spacing: 2px;
}

.hero-weekday {
  font-family: var(--display);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--clay);
  margin-top: 0.3rem;
  font-style: italic;
}

.hero-subtitle-wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 3rem;
  max-width: 680px;
  min-height: 3em;
  opacity: 0;
  animation: fadeUp 1s ease 1.3s forwards;
}

.hero-bar {
  flex-shrink: 0;
  width: 60px; height: 1px;
  background: var(--ink-faint);
}

.hero-subtitle {
  font-family: var(--display);
  font-size: clamp(1.1rem, 2.8vw, 1.7rem);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.5;
  text-align: left;
  min-height: 1.5em;
  font-style: italic;
}

/* Typewriter cursor */
.hero-subtitle::after {
  content: '▎';
  color: var(--moss);
  animation: blink 1.2s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

@keyframes fadeIn {
  0% { opacity: 0; }
  100% { opacity: 1; }
}
@keyframes brushDown {
  0% { opacity: 0; transform: translateY(-30px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes fadeUp {
  0% { opacity: 0; transform: translateY(20px); }
  100% { opacity: 1; transform: translateY(0); }
}
@keyframes ensoDraw {
  0% { opacity: 0; transform: rotate(-90deg) scale(0.8); }
  100% { opacity: 0.12; transform: rotate(-45deg) scale(1); }
}

.hero-scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 4px;
  color: var(--ink-dim);
  animation: bounce 3s ease-in-out infinite;
  z-index: 2;
}

@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); opacity: 0.3; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 0.6; }
}

/* === 设计理念区块 === */
.statement {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 2rem 2rem 1rem;
}

.statement-inner {
  border: 1px solid var(--ink-faint);
  background: var(--white);
  padding: 2.5rem 3rem;
  position: relative;
}

.statement-inner::before {
  content: '〇';
  position: absolute;
  top: -14px; left: 2rem;
  font-size: 1.8rem;
  background: var(--bg);
  padding: 0 0.8rem;
  color: var(--moss);
  line-height: 1;
}

.statement-label {
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--clay);
  margin-bottom: 1rem;
}

.statement-title {
  font-family: var(--display);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 1.2rem;
  font-style: italic;
}

.statement-body {
  font-family: var(--body);
  font-size: 0.92rem;
  font-weight: 400;
  line-height: 1.85;
  color: var(--ink-dim);
  margin-bottom: 1rem;
}

.statement-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--ink-faint);
}

.statement-tag {
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border: 1px solid var(--ink-faint);
  border-radius: 100px;
  background: transparent;
  color: var(--ink-dim);
}

@media (max-width: 768px) {
  .statement { padding: 1.5rem 1rem 0.5rem; }
  .statement-inner { padding: 2rem 1.5rem; }
  .statement-body { font-size: 0.86rem; }
}

@media (max-width: 480px) {
  .statement-inner { padding: 1.5rem 1.2rem; }
}

/* === 故事网格 === */
.grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 2rem 5rem;
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 2rem;
}

/* === 故事卡 === */
.card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--ink-faint);
  padding: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.6s ease, box-shadow 0.4s ease;
  overflow: hidden;
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Soft shadow on hover */
.card.visible:hover {
  box-shadow: 0 12px 40px rgba(26,26,26,0.08);
  transform: translateY(-2px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Featured (first card) */
.card.featured {
  grid-column: span 12;
  padding: 3rem;
  background: var(--white);
}

.card.featured::before {
  content: '—  头条  —';
  position: absolute;
  top: 0; right: 2rem;
  font-family: var(--display);
  font-size: 0.8rem;
  font-weight: 400;
  font-style: italic;
  color: var(--clay);
  background: var(--bg);
  padding: 0.3rem 1rem;
  letter-spacing: 2px;
}

.card.featured .card-emoji { font-size: 3.5rem; }
.card.featured .card-title { font-size: clamp(1.8rem, 5vw, 2.8rem); }
.card.featured .card-desc { font-size: 1.05rem; max-width: 680px; }

/* Card spans */
.card.span-7 { grid-column: span 7; }
.card.span-5 { grid-column: span 5; }
.card.span-6 { grid-column: span 6; }
.card.span-8 { grid-column: span 8; }
.card.span-4 { grid-column: span 4; }

/* Top thin line based on category */
.card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
}

.card[data-cat="tech"]::after     { background: var(--c-tech); opacity: 0.4; }
.card[data-cat="art"]::after      { background: var(--c-art); opacity: 0.4; }
.card[data-cat="world"]::after    { background: var(--c-world); opacity: 0.4; }
.card[data-cat="science"]::after  { background: var(--c-science); opacity: 0.4; }
.card[data-cat="life"]::after     { background: var(--c-life); opacity: 0.4; }
.card[data-cat="space"]::after    { background: var(--c-space); opacity: 0.4; }
.card[data-cat="business"]::after { background: var(--c-business); opacity: 0.4; }

/* Category label */
.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  border: 1px solid var(--ink-faint);
  margin-bottom: 1rem;
  margin-top: 0.5rem;
  color: var(--ink-dim);
  background: transparent;
}

/* Card number */
.card-num {
  position: absolute;
  top: 1.5rem; right: 1.2rem;
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 400;
  font-style: italic;
  color: var(--ink-faint);
  padding-top: 0.3rem;
}

/* Emoji */
.card-emoji {
  font-size: 2.5rem;
  display: inline-block;
  margin-bottom: 0.6rem;
  transition: transform 0.5s;
}

.card:hover .card-emoji {
  transform: scale(1.1) rotate(-3deg);
}

/* Title */
.card-title {
  font-family: var(--display);
  font-size: clamp(1.3rem, 3.5vw, 1.8rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 0.8rem;
}

/* Description */
.card-desc {
  font-family: var(--body);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.8;
  color: var(--ink-dim);
}

/* Source link */
.card-source {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-dim);
  border: 1px solid var(--ink-faint);
  padding: 0.5rem 1rem;
  border-radius: 100px;
  transition: all 0.3s;
}

.card-source:hover {
  border-color: var(--moss);
  color: var(--moss);
  transform: translateX(4px);
}

/* Decorative corner — ink dot */
.card-deco {
  position: absolute;
  bottom: -1px; right: -1px;
  width: 30px; height: 30px;
  opacity: 0.2;
  pointer-events: none;
}

/* === 页脚 === */
.footer {
  position: relative;
  z-index: 1;
  margin: 0 2rem;
  border-top: 1px solid var(--ink-faint);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.footer-stripes {
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--ink-faint) 20%,
    var(--ink-faint) 80%,
    transparent 100%);
}

.footer-content {
  text-align: center;
  padding: 4rem 2rem 3rem;
}

.footer-title {
  font-family: var(--display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 300;
  letter-spacing: 0;
  color: var(--ink);
  margin-bottom: 0.5rem;
  font-style: italic;
}

.footer-sub {
  font-family: var(--mono);
  font-size: 0.5rem;
  font-weight: 300;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 300;
  color: var(--ink-faint);
}

.footer-links a:hover { color: var(--moss); }

/* === 选区 === */
::selection {
  background: var(--moss);
  color: var(--white);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--ink-faint); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--moss); }

/* === 响应式 === */
@media (max-width: 768px) {
  .topbar {
    padding: 0.6rem 1rem;
    padding-top: calc(0.6rem + env(safe-area-inset-top, 0px));
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    text-align: center;
    gap: 0.3rem;
  }
  .topbar-left { display: none; }
  .topbar-logo { font-size: 1.1rem; }
  .topbar-right {
    gap: 0.8rem;
    justify-content: center;
    flex-wrap: wrap;
  }

  .hero { min-height: 80vh; padding: 2rem 1rem; }

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

  .card,
  .card.featured,
  .card.span-7, .card.span-5,
  .card.span-6, .card.span-8, .card.span-4 {
    grid-column: span 1;
    padding: 1.5rem;
  }

  .card.featured { padding: 2rem 1.5rem; }
  .card.featured .card-emoji { font-size: 2.5rem; }
  .card-emoji { font-size: 2rem; }
  .card-title { font-size: 1.2rem; }
  .card-desc { font-size: 0.86rem; }

  .footer { margin: 0 1rem; }
  .footer-content { padding: 3rem 1rem 2rem; }

  /* Reduce shapes on mobile */
  .shapes .sh:nth-child(n+5) { display: none; }
}

@media (max-width: 480px) {
  .topbar { padding: 0.5rem 0.6rem; }
  .topbar-logo { font-size: 1rem; }

  .hero { min-height: 72vh; padding: 1.5rem 0.8rem; }

  .card { padding: 1.2rem; }
  .card-emoji { font-size: 1.7rem; }
  .card-title { font-size: 1.1rem; }
  .card-desc { font-size: 0.82rem; line-height: 1.7; }

  .grid { padding: 1rem 0.6rem 2rem; gap: 1rem; }
  .footer-title { letter-spacing: 0; }

  .hero-subtitle-wrap { gap: 0.8rem; margin-top: 2rem; }
  .hero-bar { width: 40px; }
}

/* === 触屏 === */
@media (hover: none) and (pointer: coarse) {
  .card.visible:hover {
    transform: translateY(0);
    box-shadow: none;
  }
}

/* === 大屏 === */
@media (min-width: 1400px) {
  .grid { max-width: 1320px; }
}