@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap');

:root {
  --bg:         #f6f5f0;
  --bg-soft:    #efede7;
  --bg-dark:    #141210;
  --text:       #141210;
  --muted:      #6b6860;
  --muted-lt:   #a09d98;
  --accent:     #c8a96e;
  --line:       rgba(20, 18, 16, 0.07);
  --line-strong:rgba(20, 18, 16, 0.13);

  --container: 1120px;

  --font-serif: 'DM Serif Display', 'Georgia', serif;
  --font-sans:  'DM Sans', 'PingFang TC', 'Noto Sans TC', sans-serif;

  --hero-title:    clamp(3.4rem, 7.5vw, 7rem);
  --section-title: clamp(2rem, 4vw, 3.2rem);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

p, h1, h2, h3, ul { margin: 0; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container,
.header-inner,
.footer-container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 245, 240, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand { text-decoration: none; color: inherit; }

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.brand-logo { height: 36px; width: auto; flex-shrink: 0; }

.brand-en {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--text);
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.25s ease;
}

.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

/* ── Hero ── */
.hero {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  padding: 100px 0 96px;
}

.hero-split .container { max-width: 1200px; }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 480px);
  gap: 80px;
  align-items: center;
}

.hero-copy-block { max-width: 680px; }

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-label {
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted-lt);
  margin: 0;
}

.hero-kicker-divider {
  width: 24px;
  height: 1px;
  background: var(--line-strong);
  flex-shrink: 0;
}

.hero-name-zh {
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  color: var(--muted-lt);
  margin: 0;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: var(--hero-title);
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
}

.hero-title em {
  font-style: italic;
  color: var(--muted);
}

.hero-description {
  margin-top: 48px;
  max-width: 480px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
  font-weight: 300;
}

.hero-description-zh {
  margin-top: 12px;
  font-size: 0.94rem;
  line-height: 1.9;
}

.hero-panel {
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-panel img {
  width: 100%;
  opacity: 0.72;
  filter: saturate(0.88);
}

/* ── Sections ── */
.section {
  padding: 140px 0;
  border-top: 1px solid var(--line);
}

.section .container { max-width: 1120px; }

.section-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
  font-weight: 400;
}

.section-title {
  font-family: var(--font-serif);
  font-size: var(--section-title);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-title em { font-style: italic; color: var(--muted); }

.section-text {
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 22px;
  font-weight: 300;
}

.section-text:last-child { margin-bottom: 0; }

/* ── Approach ── */
.approach-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.approach-item .section-title,
.approach-item .section-text { max-width: 100%; }

.approach-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 12px;
}

.approach-item-rule {
  width: 20px;
  height: 1px;
  background: var(--accent);
  margin-bottom: 20px;
}

/* ── Split sections ── */
.split-section {
  display: grid;
  grid-template-columns: minmax(280px, 400px) minmax(0, 1fr);
  gap: 80px;
  align-items: start;
}

.split-heading .section-title,
.split-heading .section-text { max-width: 100%; }

.split-body .section-text { max-width: 680px; }

.section-text-accent {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--text);
  border-left: 2px solid var(--accent);
  padding-left: 20px;
  margin: 28px 0;
  line-height: 1.7;
}

/* ── Focus ── */
.focus-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.focus-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  transition: background 0.15s;
}

.focus-list li:hover .focus-name { color: var(--text); }

.focus-name {
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 0.01em;
  transition: color 0.2s;
}

.focus-desc {
  font-size: 0.78rem;
  color: var(--muted-lt);
  letter-spacing: 0.04em;
  text-align: right;
  white-space: nowrap;
}

/* ── Founder ── */
.founder-grid {
  display: grid;
  grid-template-columns: minmax(220px, 300px) minmax(0, 1fr);
  gap: 96px;
  align-items: end;
}

.founder-photo-wrap {
  position: relative;
  /* 柔化去背邊緣：外層淡陰影讓頭髮與背景過渡更自然 */
  border-radius: 3px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(20, 18, 16, 0.04),
    0 0 32px -8px rgba(20, 18, 16, 0.08);
}

.founder-photo {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: top center;
  filter: grayscale(8%) contrast(1.02);
  /* 讓透明邊緣與陰影過渡更柔和 */
  display: block;
}

.founder-text { padding-bottom: 8px; }

.founder-name-zh {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--muted-lt);
  margin-bottom: 8px;
  font-weight: 400;
}

.founder-name-en {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 10px;
}

.founder-role {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 36px;
  font-weight: 400;
}

.founder-divider {
  width: 28px;
  height: 1px;
  background: var(--line-strong);
  margin-bottom: 28px;
}

.founder-bio-zh { margin-top: 0; }

/* ── Footer ── */
.footer {
  background: var(--bg-dark);
  color: rgba(246, 245, 240, 0.9);
  border-top: none;
  padding: 110px 0 88px;
}

.footer-container {
  display: grid;
  grid-template-columns: 0.8fr 1fr 1.3fr;
  gap: 64px;
  align-items: start;
}

.footer-brand-logo { height: 32px; width: auto; flex-shrink: 0; margin-bottom: 10px; }

.footer-brand .brand-en {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(246, 245, 240, 0.9);
}

.footer-brand .brand-zh {
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  margin-top: 6px;
  color: rgba(246, 245, 240, 0.4);
}

.footer-title {
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  margin-top: 28px;
}

.footer-title:first-child { margin-top: 0; }

.footer-info p,
.footer-legal p {
  font-size: 0.84rem;
  color: rgba(246, 245, 240, 0.5);
  line-height: 1.85;
  margin-bottom: 4px;
  font-weight: 300;
}

.footer-info a,
.footer-legal a {
  color: rgba(246, 245, 240, 0.5);
  transition: color 0.2s;
}

.footer-info a:hover,
.footer-legal a:hover {
  color: rgba(246, 245, 240, 0.9);
}

.footer-info p:last-child,
.footer-legal p:last-child { margin-bottom: 0; }

.copyright {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(246, 245, 240, 0.08);
  font-size: 0.78rem;
  color: rgba(246, 245, 240, 0.3);
}

/* ── Responsive ── */
@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-panel { display: none; }
  .approach-grid { grid-template-columns: 1fr; gap: 40px; }
  .split-section { grid-template-columns: 1fr; gap: 36px; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 48px; }
  .footer-legal { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .section { padding: 100px 0; }
  .footer { padding: 88px 0 72px; }
  .footer-container { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 640px) {
  .container, .header-inner, .footer-container {
    width: min(var(--container), calc(100% - 32px));
  }

  .header-inner { min-height: 68px; }
  .brand-en { font-size: 0.78rem; }
  .nav { gap: 16px; }
  .nav a { font-size: 0.72rem; letter-spacing: 0.1em; }

  .hero { padding: 72px 0 60px; min-height: auto; }
  .hero-title { font-size: clamp(2.6rem, 11vw, 4.2rem); }
  .hero-description { margin-top: 32px; font-size: 0.94rem; }

  .section { padding: 80px 0; }
  .section-title { font-size: clamp(1.7rem, 6vw, 2.4rem); }
  .section-text { font-size: 0.94rem; }

  .focus-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .focus-desc { text-align: left; white-space: normal; }

  .founder-grid { grid-template-columns: 1fr; gap: 40px; }
  .founder-photo-wrap { max-width: 220px; }

  .footer { padding: 72px 0 60px; }
}