/* =========================================================
   Harry · 個人網站
   靜態、系統字型、輕量、偏編輯感的排版
   ========================================================= */

:root {
  --paper: #faf6ee;
  --paper-2: #f3ecdd;
  --ink: #2a2521;
  --ink-soft: #5c554c;
  --ink-faint: #8a8278;
  --line: #e3d9c6;
  --accent: #c9772f;        /* 溫暖赭橘：好奇心 / 北極星 */
  --accent-deep: #a75f22;
  --pine: #33564d;          /* 沉靜的松綠：思考 */
  --hi: #f6e3c8;            /* 螢光筆底色 */
  --maxw: 1080px;
  --narrow: 660px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --serif: "Iowan Old Style", "Palatino Linotype", "Songti TC", "Noto Serif CJK TC", "Source Han Serif TC", "Georgia", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei",
          "Noto Sans TC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink);
  background-color: var(--paper);
  /* 極淡的紙張紋理 */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* ---------- 基本排版 ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--narrow); }

h1, h2, h3, h4 { font-weight: 600; line-height: 1.35; color: var(--ink); margin: 0; }

h2 {
  font-size: clamp(1.5rem, 1.1rem + 2vw, 2.15rem);
  letter-spacing: .01em;
  margin-bottom: .8em;
}
h3 {
  font-size: 1.2rem;
  margin: 2.6em 0 .6em;
  color: var(--pine);
}
h4 { font-size: 1.05rem; margin-bottom: .35em; }

p { margin: 0 0 1.15em; color: var(--ink-soft); }
p strong, li strong { color: var(--ink); font-weight: 600; }

a { color: var(--accent-deep); text-decoration: none; }

.eyebrow {
  font-size: .8rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1em;
  font-weight: 600;
}

.muted { color: var(--ink-faint); font-size: .95em; }

/* ---------- Header ---------- */
.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: var(--paper); padding: 10px 16px; z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease), backdrop-filter .3s;
}
.site-header.scrolled {
  background-color: rgba(250, 246, 238, .82);
  backdrop-filter: saturate(1.4) blur(8px);
  box-shadow: 0 1px 0 var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 62px;
}
.brand {
  font-weight: 700; font-size: 1.05rem; color: var(--ink);
  letter-spacing: .04em; display: inline-flex; align-items: center; gap: .5em;
}
.brand-star { color: var(--accent); font-size: .85em; }

.site-nav { display: flex; gap: 26px; }
.site-nav a {
  color: var(--ink-soft); font-size: .92rem; position: relative; padding: 4px 0;
  transition: color .2s var(--ease);
}
.site-nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1.5px;
  background: var(--accent); transition: right .28s var(--ease);
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { right: 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(64px, 10vw, 128px) 0 clamp(48px, 8vw, 96px);
  overflow: hidden;
}
.hero-inner { max-width: 820px; position: relative; z-index: 2; }

.polestar {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.95rem, 1.1rem + 4.2vw, 3.3rem);
  line-height: 1.34;
  letter-spacing: .01em;
  margin: .1em 0 .7em;
  color: var(--ink);
  text-wrap: balance;
}
.polestar .mark {
  background: linear-gradient(transparent 62%, var(--hi) 62%, var(--hi) 94%, transparent 94%);
  padding: 0 .06em;
  white-space: nowrap;
}
.polestar .strike {
  position: relative; color: var(--ink-faint);
  white-space: nowrap;
}
.polestar .strike::after {
  content: ""; position: absolute; left: -2%; right: -2%; top: 54%; height: 2px;
  background: var(--accent); transform: rotate(-1.5deg);
}

.lede {
  font-size: clamp(1rem, .95rem + .4vw, 1.18rem);
  color: var(--ink-soft);
  max-width: 42em;
  margin-bottom: 1.8em;
}

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 2.4em; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 999px;
  font-size: .95rem; font-weight: 600; letter-spacing: .02em;
  border: 1.5px solid transparent;
  transition: transform .18s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn-ghost { border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--paper); transform: translateY(-2px); }
.btn.big { padding: 15px 30px; font-size: 1.05rem; letter-spacing: .04em; }

.hero-note {
  display: flex; gap: .7em; align-items: flex-start;
  font-size: .92rem; color: var(--ink-faint);
  border-left: 2px solid var(--line); padding-left: 1em; max-width: 40em;
  margin: 0;
}
.hero-note .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  margin-top: .7em; flex: none;
  animation: breathe 3.2s var(--ease) infinite;
}

/* starfield */
.starfield { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.star {
  position: absolute; width: 3px; height: 3px; border-radius: 50%;
  background: var(--accent); opacity: .5;
  animation: twinkle 4s ease-in-out infinite;
}
.star.s1 { top: 14%; left: 12%; animation-delay: 0s; }
.star.s2 { top: 26%; left: 82%; animation-delay: .8s; width: 2px; height: 2px; }
.star.s3 { top: 62%; left: 8%;  animation-delay: 1.6s; }
.star.s4 { top: 78%; left: 68%; animation-delay: 2.4s; width: 2px; height: 2px; }
.star.s5 { top: 40%; left: 46%; animation-delay: 1.2s; width: 2px; height: 2px; }
.star.s6 { top: 12%; left: 60%; animation-delay: 3s; }
.polaris {
  position: absolute; top: 18%; right: 9%;
  font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--accent);
  opacity: .8;
  animation: polaris 5s ease-in-out infinite;
  text-shadow: 0 0 18px rgba(201, 119, 47, .4);
}

/* ---------- Sections ---------- */
.section { padding: clamp(56px, 9vw, 104px) 0; }
section[id] { scroll-margin-top: 84px; }
.section .narrow > p:first-of-type { margin-top: 0; }

.intro { padding-top: clamp(20px, 4vw, 40px); }
.intro p { color: var(--ink); font-size: 1.06rem; }
.intro-text > p:first-child { font-size: 1.25rem; font-weight: 600; color: var(--ink); margin-top: 0; }

.intro-grid {
  max-width: 760px;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}

.portrait {
  margin: 0;
  align-self: start;
}
.portrait img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 12px 16px rgba(42, 37, 33, .16));
  transition: transform .5s var(--ease);
}
.portrait:hover img { transform: translateY(-4px); }

@media (max-width: 720px) {
  .intro-grid { grid-template-columns: 104px 1fr; gap: 18px; }
}

.pull {
  font-size: 1.12rem; color: var(--ink);
  border-left: 3px solid var(--accent); padding: .2em 0 .2em 1em;
  margin: 1.6em 0;
}

/* 手繪波浪分隔 */
.wave { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.wave svg { width: 100%; height: 34px; display: block; }
.wave path { fill: none; stroke: var(--line); stroke-width: 2; stroke-linecap: round; }

/* 三個信念 */
.beliefs { display: grid; gap: 8px; margin: 1em 0 .5em; }
.belief {
  position: relative;
  padding: 22px 24px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, .35);
  transition: transform .25s var(--ease), border-color .25s var(--ease), background-color .25s;
}
.belief:hover { transform: translateY(-3px); border-color: var(--accent); background: rgba(255, 255, 255, .6); }
.belief-num {
  font-family: var(--serif); font-size: 1.5rem; color: var(--accent);
  display: block; margin-bottom: .1em;
}
.belief h4 { color: var(--ink); }
.belief p { margin: 0; font-size: .97rem; }

/* meta list（對象 / 形式） */
.meta-list { list-style: none; padding: 0; margin: 0 0 1.6em; display: grid; gap: 8px; }
.meta-list li { color: var(--ink-soft); font-size: .98rem; }
.meta-list li span {
  display: inline-block; min-width: 3.5em; margin-right: 1em;
  color: var(--accent); font-weight: 600; font-size: .82rem; letter-spacing: .1em;
}

/* 三場工作坊 */
.sessions { list-style: none; counter-reset: s; padding: 0; margin: 1.4em 0 1em; display: grid; gap: 4px; }
.sessions li {
  position: relative; padding: 20px 0 20px 0; border-top: 1px solid var(--line);
}
.sessions li:last-child { border-bottom: 1px solid var(--line); }
.session-tag {
  display: inline-block; font-size: .78rem; letter-spacing: .12em; font-weight: 700;
  color: var(--pine); margin-bottom: .3em;
}
.sessions h4 { color: var(--ink); margin-bottom: .3em; }
.sessions p { margin: 0; font-size: .97rem; }

/* dash list */
.dash-list { list-style: none; padding: 0; margin: .4em 0 0; display: grid; gap: .7em; }
.dash-list li { position: relative; padding-left: 1.4em; color: var(--ink-soft); }
.dash-list li::before {
  content: ""; position: absolute; left: 0; top: .85em; width: .7em; height: 2px;
  background: var(--accent);
}

/* 即將發表 */
.upcoming { list-style: none; padding: 0; margin: 1.2em 0; display: grid; gap: 2px; }
.upcoming li {
  padding: 16px 4px; border-bottom: 1px dashed var(--line);
  color: var(--ink); font-size: 1.03rem;
  display: flex; align-items: baseline; gap: .8em;
}
.upcoming li::before {
  content: "✦"; color: var(--accent); font-size: .8em; flex: none;
}
.soon { display: flex; align-items: center; gap: .6em; color: var(--ink-faint); font-size: .95rem; margin-top: 1.4em; }
.pulse {
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent); flex: none;
  box-shadow: 0 0 0 0 rgba(201, 119, 47, .5);
  animation: ping 2.4s var(--ease) infinite;
}

/* 聯絡 */
.contact { text-align: center; background: var(--paper-2); }
.contact .narrow { margin: 0 auto; }
.contact h2, .contact .eyebrow { }
.contact p { margin-left: auto; margin-right: auto; }
.contact .btn { margin-top: 1em; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 34px 0; }
.footer-inner { display: flex; align-items: center; gap: .7em; justify-content: center; text-align: center; }
.footer-inner p { margin: 0; font-size: .88rem; color: var(--ink-faint); }
.footer-inner .brand-star { font-size: .8rem; }

/* ---------- 進場動畫 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }

@keyframes twinkle {
  0%, 100% { opacity: .2; transform: scale(.8); }
  50% { opacity: .7; transform: scale(1.1); }
}
@keyframes polaris {
  0%, 100% { opacity: .55; transform: scale(.94) rotate(0deg); }
  50% { opacity: .95; transform: scale(1.06) rotate(8deg); }
}
@keyframes breathe {
  0%, 100% { opacity: .5; }
  50% { opacity: 1; }
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(201, 119, 47, .5); }
  70% { box-shadow: 0 0 0 12px rgba(201, 119, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(201, 119, 47, 0); }
}

/* ---------- RWD ---------- */
@media (max-width: 620px) {
  body { font-size: 16px; line-height: 1.8; }
  .site-nav { gap: 16px; }
  .site-nav a { font-size: .85rem; }
  .brand { font-size: 1rem; }
  .polaris { top: 8%; right: 6%; }
  .cta-row .btn { flex: 1 1 auto; }
}

@media (max-width: 430px) {
  .brand { font-size: 0; gap: 0; }          /* 極窄畫面只留星號，保留完整導覽 */
  .brand-star { font-size: 1.1rem; }
  .site-nav { gap: 13px; }
  .site-nav a { font-size: .8rem; }
}

/* ---------- 尊重減少動態偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- 文章列表 ---------- */
.article-list { list-style: none; padding: 0; margin: 2.4em 0 0; display: grid; gap: 2px; }
.article-card { border-top: 1px solid var(--line); }
.article-list .article-card:last-child { border-bottom: 1px solid var(--line); }
.article-card > a {
  display: block; padding: 22px 6px;
  transition: background-color .2s var(--ease), padding .2s var(--ease);
}
.article-card > a:hover { background: rgba(255, 255, 255, .4); padding-left: 14px; padding-right: 14px; }
.article-card time { font-size: .78rem; letter-spacing: .12em; color: var(--ink-faint); }
.article-card h2 { font-size: 1.16rem; margin: .35em 0 .3em; color: var(--ink); }
.article-card p { margin: 0; font-size: .95rem; color: var(--ink-soft); }
.card-ext { font-size: .7rem; letter-spacing: .06em; color: var(--accent); margin-left: .4em; }

.planned { list-style: none; padding: 0; margin: 2.2em 0 1em; display: grid; gap: 2px; }
.planned li {
  padding: 15px 4px; border-bottom: 1px dashed var(--line);
  color: var(--ink); display: flex; gap: .7em; align-items: baseline;
}
.planned li::before { content: "✦"; color: var(--accent); font-size: .8em; flex: none; }

/* ---------- 文章內文頁 ---------- */
.article .back-link {
  display: inline-block; font-size: .86rem; color: var(--ink-faint);
  margin: 0 0 1.8em;
}
.article .back-link:last-child { margin: 3em 0 0; }
.article .back-link:hover { color: var(--accent); }
.article .post-meta { font-size: .8rem; letter-spacing: .12em; color: var(--ink-faint); margin: 0 0 .7em; }
.article h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(1.7rem, 1.2rem + 2.4vw, 2.5rem); line-height: 1.36;
  margin: 0 0 .5em; text-wrap: balance;
}
.article .post-summary {
  font-size: 1.1rem; color: var(--ink-soft);
  border-left: 3px solid var(--accent); padding-left: 1em; margin: 0 0 2.2em;
}
.article-body { font-size: 1.05rem; line-height: 1.9; }
.article-body > :first-child { margin-top: 0; }
.article-body h2 { font-size: 1.38rem; margin: 1.9em 0 .5em; color: var(--pine); }
.article-body h3 { font-size: 1.12rem; margin: 1.7em 0 .4em; color: var(--ink); }
.article-body p { margin: 0 0 1.2em; color: var(--ink-soft); }
.article-body a {
  color: var(--accent-deep); text-decoration: underline;
  text-underline-offset: 3px; text-decoration-thickness: 1px;
}
.article-body ul, .article-body ol { margin: 0 0 1.3em; padding-left: 1.4em; color: var(--ink-soft); }
.article-body li { margin: .4em 0; }
.article-body blockquote {
  margin: 1.6em 0; padding: .3em 0 .3em 1.2em;
  border-left: 3px solid var(--line); color: var(--ink-faint);
}
.article-body blockquote p { margin: .3em 0; }
.article-body code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88em; background: rgba(201, 119, 47, .1);
  padding: .12em .4em; border-radius: 4px;
}
.article-body pre {
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 10px;
  padding: 16px 18px; overflow-x: auto; margin: 1.4em 0;
}
.article-body pre code { background: none; padding: 0; font-size: .86rem; }
.article-body img { border-radius: 10px; margin: 1.4em 0; }
.article-body hr { border: none; border-top: 1px solid var(--line); margin: 2.4em 0; }

/* ---------- 焦點樣式 ---------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- 深色模式（順應系統，維持溫暖紙感） ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1c1a17;
    --paper-2: #241f1a;
    --ink: #ede6d9;
    --ink-soft: #c3b9a8;
    --ink-faint: #8f8574;
    --line: #3a352d;
    --accent: #e0954f;
    --accent-deep: #f0ad6b;
    --pine: #7fb0a2;
    --hi: rgba(224, 149, 79, .22);
  }
  body { background-blend-mode: normal; }
  .belief, .site-header.scrolled { background-color: rgba(255, 255, 255, .03); }
  .site-header.scrolled { background-color: rgba(28, 26, 23, .82); }
  .btn-primary { color: #1c1a17; }
  .btn-ghost { border-color: var(--ink); color: var(--ink); }
  .btn-ghost:hover { color: var(--paper); }
}