/* =========================================================
   方敬婷 個人網站 — 設計風格：溫潤紙感、現代雜誌、慢生活
   ========================================================= */

:root {
  /* core palette */
  --cream:        #f7f1e6;
  --cream-2:      #efe7d7;
  --paper:        #fbf7ef;
  --ink:          #2d2a26;
  --ink-soft:     #5a5550;
  --ink-mute:     #8a857d;
  --line:         #d8cfbe;
  --terracotta:   #b46a4a;
  --sage:         #7a8a6d;
  --gold:         #b08a55;
  --shadow:       0 30px 60px -28px rgba(70, 50, 25, 0.28),
                   0 8px 18px -10px rgba(70, 50, 25, 0.18);

  /* typography */
  --f-serif:  "Cormorant Garamond", "Noto Serif TC", serif;
  --f-zh:     "Noto Serif TC", "Cormorant Garamond", serif;
  --f-sans:   "Noto Sans TC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ----- reset / base ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* paper grain background — subtle */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(150,120,80,0.05) 1px, transparent 1px),
    radial-gradient(rgba(150,120,80,0.04) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
  z-index: 0;
  mix-blend-mode: multiply;
}
main, header, footer { position: relative; z-index: 1; }

/* ----- header ----- */
.site-header {
  position: sticky; top: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  background: rgba(251,247,239,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(216,207,190,0.6);
  z-index: 50;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: inline-grid; place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-family: var(--f-zh);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0;
}
.brand-name {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.04em;
}
.site-nav {
  display: flex; gap: clamp(14px, 2vw, 28px);
  font-size: 14px;
}
.site-nav a {
  position: relative;
  padding: 4px 2px;
  color: var(--ink-soft);
  transition: color .25s ease;
}
.site-nav a::after {
  content:""; position: absolute; left: 0; bottom: -2px;
  width: 100%; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: right;
  transition: transform .35s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }
@media (max-width: 760px) {
  .site-nav { display: none; }
}

/* ----- shared section styles ----- */
.section {
  padding: clamp(80px, 12vw, 140px) clamp(20px, 6vw, 88px);
  max-width: 1240px;
  margin: 0 auto;
}
.section-head {
  display: flex; align-items: baseline; gap: 18px;
  margin-bottom: 56px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
}
.section-num {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.section-head h2 {
  font-family: var(--f-zh);
  font-weight: 600;
  font-size: clamp(28px, 4vw, 40px);
  margin: 0;
  letter-spacing: 0.06em;
}
.section-sub {
  margin: 0 0 0 auto;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
}

/* ----- hero ----- */
.hero {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
  padding: clamp(60px, 10vw, 120px) clamp(20px, 6vw, 88px) clamp(60px, 8vw, 100px);
  max-width: 1240px;
  margin: 0 auto;
}
.eyebrow {
  display: inline-block;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.16em;
  color: var(--gold);
  text-transform: uppercase;
  margin: 0 0 22px;
  padding-left: 36px;
  position: relative;
}
.eyebrow::before {
  content: "";
  position: absolute; left: 0; top: 50%;
  width: 24px; height: 1px;
  background: var(--gold);
}
.hero-name {
  font-family: var(--f-zh);
  font-weight: 600;
  font-size: clamp(56px, 9vw, 108px);
  line-height: 1.02;
  margin: 0 0 24px;
  letter-spacing: 0.06em;
}
.hero-name .zh { display: block; }
.hero-name .en {
  display: block;
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  font-size: 0.4em;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  margin-top: 12px;
}
.hero-lede {
  font-family: var(--f-zh);
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 2;
  color: var(--ink-soft);
  max-width: 28em;
  margin: 0 0 36px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center;
  padding: 14px 26px;
  font-family: var(--f-sans);
  font-size: 14px;
  letter-spacing: 0.18em;
  border-radius: 999px;
  transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.btn-primary {
  background: var(--ink);
  color: var(--cream);
  border: 1px solid var(--ink);
}
.btn-primary:hover { background: var(--terracotta); border-color: var(--terracotta); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}
.btn-ghost:hover { background: var(--ink); color: var(--cream); }

.hero-photo { position: relative; }
.photo-frame {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
}
.photo-frame::after {
  content:"";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(20,15,8,0.18));
  pointer-events: none;
}
.photo-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-caption {
  display: flex; align-items: center; gap: 16px;
  margin-top: 20px;
  font-family: var(--f-serif);
  font-style: italic;
  color: var(--ink-mute);
  font-size: 15px;
  letter-spacing: 0.06em;
}
.hero-caption .line {
  flex: 0 0 40px;
  height: 1px;
  background: var(--line);
}

@media (max-width: 880px) {
  .hero { grid-template-columns: 1fr; gap: 48px; }
  .hero-photo { order: -1; }
  .photo-frame { aspect-ratio: 3 / 4; max-width: 480px; margin: 0 auto; }
}

/* ----- about ----- */
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.about-photo {
  margin: 0;
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-text .lead {
  font-family: var(--f-zh);
  font-size: clamp(20px, 1.7vw, 24px);
  font-weight: 500;
  line-height: 1.7;
  margin: 0 0 24px;
  color: var(--ink);
}
.about-text p {
  color: var(--ink-soft);
  margin: 0 0 18px;
  line-height: 2;
}
.about-meta {
  margin: 32px 0 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 32px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.about-meta div { display: grid; gap: 4px; }
.about-meta dt {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.about-meta dd {
  margin: 0;
  font-family: var(--f-zh);
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
}
@media (max-width: 880px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { max-width: 460px; }
}

/* ----- philosophy ----- */
.philosophy { background: linear-gradient(180deg, transparent, rgba(231,219,200,0.35), transparent); }
.big-quote {
  margin: 0 0 64px;
  text-align: center;
}
.big-quote p {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: clamp(28px, 4.4vw, 44px);
  line-height: 1.4;
  letter-spacing: 0.02em;
  margin: 0 auto;
  max-width: 22em;
  color: var(--ink);
}
.big-quote footer {
  margin-top: 16px;
  font-family: var(--f-serif);
  font-style: italic;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
}
.philo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.philo-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 36px 28px 30px;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.philo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gold);
}
.card-num {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 32px;
  color: var(--terracotta);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
}
.philo-card h3 {
  font-family: var(--f-zh);
  font-weight: 600;
  font-size: 20px;
  margin: 0 0 14px;
  letter-spacing: 0.05em;
}
.philo-card p {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.95;
  margin: 0;
}

/* ----- journey ----- */
.journey-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
.journey-photo {
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
  position: sticky;
  top: 100px;
}
.journey-photo img { width: 100%; height: 100%; object-fit: cover; }
.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  position: relative;
}
.timeline::before {
  content:"";
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--line);
}
.timeline li {
  position: relative;
  padding: 0 0 36px 40px;
}
.timeline li::before {
  content:"";
  position: absolute;
  left: 3px; top: 8px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--terracotta);
}
.t-year {
  display: inline-block;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 6px;
}
.timeline h3 {
  font-family: var(--f-zh);
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: 0.05em;
}
.timeline p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 2;
  max-width: 32em;
}
@media (max-width: 880px) {
  .journey-grid { grid-template-columns: 1fr; }
  .journey-photo { position: static; max-width: 460px; }
}

/* ----- gallery (masonry-ish) ----- */
.gallery-intro {
  font-family: var(--f-zh);
  font-size: 17px;
  line-height: 2;
  color: var(--ink-soft);
  text-align: center;
  max-width: 30em;
  margin: -30px auto 56px;
}
.masonry {
  columns: 3;
  column-gap: 18px;
}
@media (max-width: 880px) { .masonry { columns: 2; } }
@media (max-width: 520px) { .masonry { columns: 1; } }

.m-item {
  margin: 0 0 18px;
  break-inside: avoid;
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  box-shadow: var(--shadow);
  cursor: zoom-in;
}
.m-item img {
  width: 100%; height: auto;
  display: block;
  transition: transform .8s ease;
}
.m-item:hover img { transform: scale(1.04); }
.m-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 28px 18px 14px;
  background: linear-gradient(180deg, transparent, rgba(20,15,8,0.55));
  color: #f5ecd9;
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .35s ease, transform .35s ease;
}
.m-item:hover figcaption { opacity: 1; transform: translateY(0); }

/* ----- contact ----- */
.contact-card {
  max-width: 760px;
  margin: 0 auto;
  background: linear-gradient(160deg, var(--cream), var(--cream-2));
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: clamp(36px, 5vw, 64px);
  text-align: center;
  box-shadow: var(--shadow);
}
.contact-lede {
  font-family: var(--f-zh);
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 2;
  color: var(--ink);
  margin: 0 0 36px;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 16px;
  text-align: left;
  max-width: 380px;
  margin-inline: auto;
}
.contact-list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid rgba(176,138,85,0.3);
}
.contact-list li:last-child { border-bottom: 1px solid rgba(176,138,85,0.3); }
.c-label {
  font-family: var(--f-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}
.contact-list a:hover {
  color: var(--terracotta);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ----- footer ----- */
.site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--line);
  background: var(--cream);
}
.foot-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
  padding: 28px clamp(20px, 6vw, 88px);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}
.foot-name { font-family: var(--f-zh); font-weight: 500; }
.foot-top {
  font-family: var(--f-serif); font-style: italic;
  color: var(--ink);
}
.foot-top:hover { color: var(--terracotta); }

/* ----- reveal on scroll ----- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}