/* =========================================================
   程予希 (Lyan Cheng) — 多頁靜態站 設計系統
   風格: Aurora 柔光漸變 + Memphis 活潑幾何
   ========================================================= */

:root {
  --cream: #FFF7F2;
  --ink: #2B2440;
  --ink-soft: #5B5375;
  --rose: #FF5C8A;
  --violet: #7C5CFC;
  --mint: #2EC4B6;
  --peach: #FFD3B6;
  --pink: #FF8FB1;
  --lilac: #C8A2FF;
  --sky: #A0E7FF;
  --white: #FFFFFF;
  --radius: 22px;
  --radius-sm: 14px;
  --shadow-soft: 0 18px 50px -20px rgba(43, 36, 64, 0.28);
  --shadow-pop: 0 26px 60px -18px rgba(255, 92, 138, 0.45);
  --z-nav: 50;
  --z-modal: 80;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Nunito", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.7;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Aurora 背景層 */
.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: var(--cream);
}
.aurora::before,
.aurora::after {
  content: "";
  position: absolute;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.55;
}
.aurora::before {
  top: -18vw;
  left: -10vw;
  background: radial-gradient(circle at 30% 30%, var(--pink), transparent 60%),
              radial-gradient(circle at 70% 60%, var(--lilac), transparent 60%);
}
.aurora::after {
  bottom: -22vw;
  right: -12vw;
  background: radial-gradient(circle at 40% 40%, var(--sky), transparent 60%),
              radial-gradient(circle at 70% 70%, var(--peach), transparent 60%);
}

h1, h2, h3, h4 {
  font-family: "Fredoka", "Nunito", system-ui, sans-serif;
  color: var(--ink);
  line-height: 1.2;
  margin: 0 0 .4em;
  font-weight: 600;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.section { padding: 84px 0; position: relative; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 46px; }
.eyebrow {
  display: inline-block;
  font-family: "Fredoka", sans-serif;
  font-size: 13px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rose);
  background: rgba(255, 92, 138, 0.12);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(28px, 4vw, 42px); }
.section-head p { color: var(--ink-soft); margin: 0; }

/* ---------------- 按鈕 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Fredoka", sans-serif;
  font-weight: 500;
  font-size: 16px;
  padding: 13px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--rose), var(--violet));
  color: #fff;
  box-shadow: var(--shadow-pop);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 30px 70px -16px rgba(124, 92, 252, .5); }
.btn-ghost {
  background: rgba(255, 255, 255, .7);
  color: var(--ink);
  border: 1.5px solid rgba(43, 36, 64, .12);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--rose); color: var(--rose); }

/* ---------------- 導航 ---------------- */
.nav {
  position: fixed;
  top: 16px; left: 50%;
  transform: translateX(-50%);
  width: min(var(--maxw), calc(100% - 28px));
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, .6);
  box-shadow: var(--shadow-soft);
}
.brand { display: flex; align-items: center; gap: 10px; font-family: "Fredoka", sans-serif; font-weight: 600; font-size: 19px; }
.brand .dot { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--rose), var(--violet)); display: grid; place-items: center; color: #fff; font-size: 15px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-soft);
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--rose); background: rgba(255, 92, 138, .1); }
.nav-links a.active { color: #fff; background: linear-gradient(135deg, var(--rose), var(--violet)); }
.nav-toggle {
  display: none;
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(43,36,64,.12);
  border-radius: 12px;
  width: 44px; height: 44px;
  cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------------- Hero ---------------- */
.hero { padding: 150px 0 70px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.hero h1 { font-size: clamp(42px, 8vw, 86px); letter-spacing: -1px; }
.hero h1 .accent {
  background: linear-gradient(135deg, var(--rose), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .role { font-family: "Fredoka", sans-serif; font-size: clamp(18px, 2.4vw, 24px); color: var(--violet); margin-bottom: 14px; }
.hero p.lead { font-size: 18px; color: var(--ink-soft); max-width: 480px; margin-bottom: 28px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-portrait {
  position: relative;
  z-index: 2;
  border-radius: 32px;
  overflow: hidden;
  box-shadow: var(--shadow-pop);
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--lilac), var(--pink));
}
/* 文字內容始終位於 Memphis 裝飾之上，避免裝飾圖形（如綠色三角形）遮擋文字 */
.hero .reveal { position: relative; z-index: 2; }
.hero-portrait img { width: 100%; height: 100%; object-fit: cover; }
.hero-portrait .badge {
  position: absolute; left: 16px; bottom: 16px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(8px);
  border-radius: 14px; padding: 8px 14px;
  font-family: "Fredoka", sans-serif; font-size: 14px;
  display: flex; align-items: center; gap: 8px;
}

/* Memphis 裝飾 */
.memphis { position: absolute; pointer-events: none; z-index: 0; }
.m-circle { width: 26px; height: 26px; border-radius: 50%; background: var(--rose); opacity: .8; }
.m-ring { width: 34px; height: 34px; border-radius: 50%; border: 5px solid var(--violet); }
.m-tri { width: 0; height: 0; border-left: 18px solid transparent; border-right: 18px solid transparent; border-bottom: 30px solid var(--mint); }
.m-plus { font-family: "Fredoka"; font-size: 40px; color: var(--violet); line-height: 1; }
.m-squiggle { width: 70px; height: 14px; }

/* ---------------- 數據亮點 ---------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-card {
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}
.stat-card .num { font-family: "Fredoka", sans-serif; font-size: 40px; font-weight: 600; background: linear-gradient(135deg, var(--rose), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-card .label { color: var(--ink-soft); font-size: 15px; }

/* ---------------- 通用卡片網格 ---------------- */
.card-grid { display: grid; gap: 22px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cols-2 { grid-template-columns: repeat(2, 1fr); }
.featured-grid { max-width: 900px; margin: 0 auto; gap: 28px; }
.glass-card {
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
  transition: transform .25s ease, box-shadow .25s ease;
}
.glass-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-pop); }
.glass-card .ic {
  width: 52px; height: 52px; border-radius: 16px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--rose), var(--violet));
  color: #fff; margin-bottom: 16px;
}
.glass-card h3 { font-size: 21px; }
.glass-card p { color: var(--ink-soft); margin: 0; }

/* ---------------- 精選作品卡 ---------------- */
.feature-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  aspect-ratio: 3 / 4;
  cursor: pointer;
}
.feature-card .poster {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: "Fredoka", sans-serif; font-size: 22px; color: #fff;
  text-align: center; padding: 20px;
}
/* 首頁代表作卡配圖：鋪滿卡片（卡片為 3:4 豎向，與海報比例接近，無留白） */
.feature-card .feat-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 1;
}
.feature-card .overlay { z-index: 3; }
.feature-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(43,36,64,.92), rgba(43,36,64,.1));
  color: #fff; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 22px; opacity: 0; transform: translateY(12px);
  transition: opacity .25s ease, transform .25s ease;
}
.feature-card:hover .overlay { opacity: 1; transform: translateY(0); }
.feature-card .overlay h3 { color: #fff; font-size: 20px; margin: 0 0 4px; }
.feature-card .overlay span { color: rgba(255,255,255,.8); font-size: 14px; }

/* ---------------- 關於: 時間線 ---------------- */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 38px; }
.timeline::before {
  content: ""; position: absolute; left: 12px; top: 6px; bottom: 6px; width: 3px;
  background: linear-gradient(var(--rose), var(--violet), var(--mint));
  border-radius: 3px;
}
.tl-item { position: relative; margin-bottom: 38px; }
.tl-item::before {
  content: ""; position: absolute; left: -33px; top: 4px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; border: 4px solid var(--rose);
  box-shadow: 0 0 0 4px rgba(255,92,138,.15);
}
.tl-year { font-family: "Fredoka", sans-serif; font-weight: 600; color: var(--violet); font-size: 18px; }
.tl-item h3 { font-size: 20px; margin: 4px 0 6px; }
.tl-item p { color: var(--ink-soft); margin: 0; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.fact {
  background: rgba(255,255,255,.8); border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius-sm); padding: 18px; backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}
.fact .k { font-family: "Fredoka", sans-serif; color: var(--rose); font-size: 13px; letter-spacing: 1px; text-transform: uppercase; }
.fact .v { font-size: 18px; font-weight: 700; }

.quote {
  max-width: 820px; margin: 0 auto; text-align: center;
  font-family: "Fredoka", sans-serif; font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.4; color: var(--ink);
}
.quote .mark { color: var(--rose); }

/* ---------------- 作品頁 ---------------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.filter-btn {
  font-family: "Fredoka", sans-serif; font-weight: 500; font-size: 15px;
  padding: 9px 20px; border-radius: 999px; cursor: pointer;
  border: 1.5px solid rgba(43,36,64,.14); background: rgba(255,255,255,.7); color: var(--ink-soft);
  transition: all .2s ease;
}
.filter-btn:hover { border-color: var(--rose); color: var(--rose); }
.filter-btn.active { color: #fff; background: linear-gradient(135deg, var(--rose), var(--violet)); border-color: transparent; }

.works-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.work-card {
  background: rgba(255,255,255,.82); border: 1px solid rgba(255,255,255,.7);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft);
  cursor: pointer; transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.work-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-pop); }
.work-poster {
  aspect-ratio: 16 / 10; display: grid; place-items: center; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #C8A2FF, #FF8FB1);
  font-family: "Fredoka", sans-serif; color: #fff; font-size: 18px; text-align: center; padding: 14px;
}
/* 填滿邊框：保持 16:10 模塊尺寸不變；object-fit:cover 讓圖片鋪滿整框、消除留白；比例恰為 16:10 的圖片無變化，其餘僅裁切溢出框架的多餘部分 */
.work-poster img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 2; }
.work-poster .ph-title { position: relative; z-index: 1; text-shadow: 0 2px 10px rgba(43,36,64,.35); }
.work-card[data-cat="art"] .work-poster { color: #fff; }
.rating { display: inline-flex; align-items: center; gap: 4px; margin-top: 10px; font-family: "Fredoka", sans-serif; font-size: 13px; color: #fff; background: linear-gradient(135deg, #FFB23E, #FF7A45); padding: 3px 11px; border-radius: 999px; }
.work-body { padding: 18px 20px 22px; }
.work-body .yr { font-size: 13px; color: var(--rose); font-family: "Fredoka", sans-serif; letter-spacing: 1px; }
.work-body h3 { font-size: 19px; margin: 4px 0 6px; }
.work-body .role { color: var(--ink-soft); font-size: 14px; }
.work-card.hide { display: none; }

/* 模態 */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(43,36,64,.55); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; z-index: var(--z-modal); padding: 20px;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: #fff; border-radius: var(--radius); max-width: 560px; width: 100%;
  padding: 30px; box-shadow: var(--shadow-pop); position: relative;
  max-height: 90vh; overflow: auto;
}
.modal .close {
  position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; border-radius: 50%;
  border: none; background: rgba(43,36,64,.06); cursor: pointer; display: grid; place-items: center;
}
.modal .close:hover { background: rgba(255,92,138,.15); }
.modal .tag { display: inline-block; font-family: "Fredoka"; font-size: 12px; color: #fff; background: var(--violet); padding: 4px 12px; border-radius: 999px; margin-bottom: 12px; }
.modal h3 { font-size: 26px; }
.modal p { color: var(--ink-soft); }

/* ---------------- 圖集 ---------------- */
.gallery { columns: 4 220px; column-gap: 18px; }
.gallery figure { margin: 0 0 18px; break-inside: avoid; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-soft); cursor: pointer; position: relative; }
.gallery img { width: 100%; transition: transform .4s ease; }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 14px;
  background: linear-gradient(to top, rgba(43,36,64,.8), transparent);
  color: #fff; font-family: "Fredoka", sans-serif; font-size: 15px;
  opacity: 0; transform: translateY(8px); transition: opacity .25s, transform .25s;
}
.gallery figure:hover figcaption { opacity: 1; transform: translateY(0); }

/* 燈箱 */
.lightbox {
  position: fixed; inset: 0; background: rgba(43,36,64,.9); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; z-index: var(--z-modal); padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 82vh; border-radius: 16px; box-shadow: var(--shadow-pop); }
.lightbox .cap { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: #fff; font-family: "Fredoka"; font-size: 17px; }
.lightbox .lb-close, .lightbox .lb-nav {
  position: absolute; width: 52px; height: 52px; border-radius: 50%; border: none; cursor: pointer;
  background: rgba(255,255,255,.16); color: #fff; display: grid; place-items: center; backdrop-filter: blur(6px);
}
.lightbox .lb-close { top: 22px; right: 22px; }
.lightbox .lb-prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next { right: 22px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-close:hover, .lightbox .lb-nav:hover { background: rgba(255,92,138,.5); }

/* ---------------- Marquee 圖集 ---------------- */
.hero-small { padding-top: 110px; padding-bottom: 40px; }
.marquee-gallery { padding-top: 10px; padding-bottom: 60px; overflow: hidden; }
.marquee-row { position: relative; padding: 12px 0; overflow: hidden; }
/* 軌道左右漸變虛化遮邊 */
.marquee-row::before, .marquee-row::after {
  content: ''; position: absolute; top: 0; bottom: 0; width: 100px; z-index: 2;
  pointer-events: none;
}
.marquee-row::before { left: 0; background: linear-gradient(to right, var(--cream), transparent); }
.marquee-row::after { right: 0; background: linear-gradient(to left, var(--cream), transparent); }
.marquee-track {
  display: flex; gap: 18px; width: max-content; will-change: transform;
  animation: marquee 45s linear infinite;
}
.marquee-row.reverse .marquee-track { animation-name: marquee-reverse; }
/* 鼠標懸停圖片區域動畫暫停 */
.marquee-row:hover .marquee-track { animation-play-state: paused; }
.marquee-track img {
  height: 210px; width: auto; aspect-ratio: 3/4; object-fit: cover; border-radius: 18px;
  box-shadow: var(--shadow-soft); cursor: pointer; flex-shrink: 0;
  background: linear-gradient(135deg, #C8A2FF, #FF8FB1);
  transition: transform .25s ease, box-shadow .25s ease;
}
.marquee-track img:hover { transform: scale(1.06) translateY(-4px); box-shadow: var(--shadow-pop); z-index: 1; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marquee-reverse { from { transform: translateX(-50%); } to { transform: translateX(0); } }
@media (max-width: 768px) {
  .marquee-track img { height: 150px; border-radius: 14px; }
  .marquee-row::before, .marquee-row::after { width: 60px; }
  .marquee-track { gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
}

/* ---------------- 頁腳 ---------------- */
.footer {
  margin-top: 40px;
  background: rgba(43,36,64,.94);
  color: rgba(255,255,255,.82);
  border-radius: 32px 32px 0 0;
  padding: 54px 0 30px;
}
.footer .container { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
.footer h4 { color: #fff; font-size: 18px; margin-bottom: 14px; }
.footer a { color: rgba(255,255,255,.75); display: inline-flex; align-items: center; gap: 8px; padding: 5px 0; transition: color .2s; }
.footer a:hover { color: var(--pink); }
.footer .socials { display: flex; gap: 12px; margin-top: 8px; }
.footer .socials a { width: 42px; height: 42px; border-radius: 12px; background: rgba(255,255,255,.1); display: grid; place-items: center; }
.footer .socials a:hover { background: var(--rose); color: #fff; }
.footer .bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 18px; text-align: center; font-size: 14px; color: rgba(255,255,255,.6); }
.footer .brand-foot { font-family: "Fredoka"; font-size: 22px; color: #fff; }
.footer p { font-size: 15px; }

/* ---------------- 滾動漸顯 ---------------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------------- 響應式 ---------------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { max-width: 420px; margin: 0 auto; }
  .cols-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer .container { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nav-links {
    position: absolute; top: calc(100% + 10px); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(255,255,255,.96); backdrop-filter: blur(14px);
    border-radius: 22px; padding: 12px; box-shadow: var(--shadow-soft);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .section { padding: 60px 0; }
  .cols-2, .cols-3, .stats { grid-template-columns: 1fr; }
  .footer .container { grid-template-columns: 1fr; }
  .gallery { columns: 2 150px; }
}
@media (max-width: 480px) {
  .works-grid { grid-template-columns: 1fr; }
}

/* ---------------- 動效降級 ---------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .feature-card .overlay, .gallery figcaption { transition: none; }
  .hero-portrait img, .gallery img { transition: none; }
  * { animation: none !important; }
}