/* ══════════════════════════════════════
   智賦工作室 ST Studio — 共用樣式
   ══════════════════════════════════════ */

:root {
  --bg: #FAFAF8;
  --bg2: #EEF3F5;
  --card: #FFFFFF;
  --amber: #2E82A0;
  --amber-light: #3D97B8;
  --amber-glow: rgba(46,130,160,0.10);
  --teal: #1A5972;
  --text: #1A2E3A;
  --muted: #5A7080;
  --border: rgba(46,130,160,0.25);
}

* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans TC', 'Sora', sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── NOISE TEXTURE OVERLAY ── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.15;
}

/* ── NAVBAR ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(250,250,248,0.90);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 20px rgba(0,0,0,0.06);
  transition: all 0.3s;
}

.logo a { display: block; line-height: 0; }
.logo img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--amber); }

.nav-cta {
  font-family: 'Sora', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--amber);
  padding: 0.55rem 1.4rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}
.nav-cta:hover { background: var(--amber-light); transform: translateY(-1px); }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  padding: 8rem 6% 4rem;
  position: relative;
  overflow: hidden;
}
.hero-content { position: relative; max-width: 700px; flex-shrink: 0; }

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212,137,26,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212,137,26,0.07) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-glow {
  position: absolute;
  width: 700px; height: 700px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,137,26,0.10) 0%, transparent 70%);
  top: -200px; right: -150px;
  pointer-events: none;
}
.hero-glow2 {
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(26,143,135,0.08) 0%, transparent 70%);
  bottom: 0; left: 10%;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Sora', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--border);
  padding: 0.4rem 1rem;
  margin-bottom: 2rem;
  background: var(--amber-glow);
  opacity: 0;
  animation: fadeUp 0.8s ease 0.2s forwards;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:0.4; transform:scale(1.5); }
}

h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.4s forwards;
}
h1 em { font-style: normal; color: var(--amber); }
h1 .line2 { color: var(--muted); font-weight: 300; }

.hero-desc {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.6s forwards;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s ease 0.8s forwards;
}

.btn-primary {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--bg);
  background: var(--amber);
  padding: 0.85rem 2rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--amber-light); transform: translateY(-2px); }

.btn-outline {
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text);
  padding: 0.85rem 2rem;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: border-color 0.2s, color 0.2s;
}
.btn-outline:hover { border-color: var(--amber); color: var(--amber); }

.hero-stats {
  position: relative;
  display: flex;
  flex-direction: row;
  gap: 1rem;
  align-items: center;
  opacity: 0;
  animation: fadeIn 1s ease 1.2s forwards;
}

.stat-card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  padding: 2rem 2.5rem;
  text-align: center;
  min-width: 180px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}
.stat-card::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 3px; height: 100%;
  background: var(--amber);
}
.stat-number {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.4rem;
  letter-spacing: 0.05em;
}

@keyframes fadeUp {
  from { opacity:0; transform: translateY(24px); }
  to { opacity:1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity:0; }
  to { opacity:1; }
}

/* ── SECTION BASE ── */
section { padding: 6rem 6%; }
.section-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1rem;
}
.section-label::before {
  content: '';
  width: 2rem;
  height: 1px;
  background: var(--amber);
}

.section-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

/* ── PAGE HEADER (sub-pages) ── */
.page-header {
  padding: 10rem 6% 3.5rem;
  background: var(--bg2);
  position: relative;
  overflow: hidden;
}
.page-header .hero-grid {
  position: absolute;
  inset: 0;
}
.page-title {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
  position: relative;
}
.page-desc {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 560px;
  position: relative;
}

/* ── ABOUT ── */
#about { background: var(--bg2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  margin-top: 3rem;
}
.about-text p {
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 2;
  margin-bottom: 1.4rem;
}
.about-visual {
  position: relative;
  height: 380px;
}
.about-box {
  position: absolute;
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  padding: 1.8rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.07);
  overflow: hidden;
}
.about-box:nth-child(1) {
  top:0; left:0; right:60px; bottom:60px;
}
.about-box:nth-child(1)::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--teal));
}
.about-box:nth-child(2) {
  bottom:0; right:0; width:200px; height:180px;
  border-color: var(--amber);
  display: flex; flex-direction:column; justify-content:center; align-items:center; text-align:center;
}
.about-box-title {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--amber);
  margin-bottom: 1.2rem;
}
.about-box-content {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.about-tech-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.86rem;
  color: var(--text);
}
.about-tech-item::before {
  content: '';
  width: 6px; height: 6px;
  min-width: 6px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), var(--teal));
}
.about-box-big-num {
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}

/* ── PRODUCTS ── */
#products { background: var(--bg); }
.products-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
  align-items: start;
}
.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
}
.products-marquee-wrap {
  position: relative;
  height: 560px;
  overflow: hidden;
  border-radius: 8px;
  clip-path: inset(0 round 8px);
}
.products-marquee-wrap::before,
.products-marquee-wrap::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 80px;
  z-index: 2;
  pointer-events: none;
}
.products-marquee-wrap::before {
  top: 0;
  background: linear-gradient(to bottom, var(--bg) 10%, transparent);
}
.products-marquee-wrap::after {
  bottom: 0;
  background: linear-gradient(to top, var(--bg) 10%, transparent);
}
.products-marquee-track {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  animation: productsMarquee 20s linear infinite;
}
.products-marquee-track:hover { animation-play-state: paused; }
@keyframes productsMarquee {
  0%   { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
.products-marquee-slide {
  flex-shrink: 0;
  position: relative;
}
.products-marquee-slide-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  position: absolute;
  bottom: 0.7rem;
  left: 0.8rem;
  color: #fff;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(4px);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  z-index: 3;
}
.products-marquee-slide img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.07);
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  display: block;
  cursor: zoom-in;
  transition: transform 0.2s, box-shadow 0.2s;
}
.products-marquee-slide img:hover {
  transform: scale(1.02);
  box-shadow: 0 6px 24px rgba(0,0,0,0.15);
}

.product-card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  padding: 2.5rem 2rem;
  position: relative;
  overflow: hidden;
  transition: opacity 0.3s, transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: var(--border);
  box-shadow: 0 12px 32px rgba(0,0,0,0.10);
}
.product-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--teal));
  opacity: 0;
  transition: opacity 0.3s;
}
.product-card:hover::before { opacity: 1; }

.product-icon {
  width: 52px; height: 52px;
  background: var(--amber-glow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}
.product-name {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--text);
}
.product-desc {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
}
.product-tag {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid var(--border);
  padding: 0.25rem 0.6rem;
  margin-top: 1.2rem;
  background: var(--amber-glow);
}

/* Compact card style inside products-grid */
.products-grid .product-card {
  padding: 1.4rem 1.2rem;
}
.products-grid .product-icon {
  width: 38px; height: 38px;
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}
.products-grid .product-name {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}
.products-grid .product-desc {
  display: none;
}
.products-grid .product-tag {
  margin-top: 0.5rem;
}

/* Product interactive selection */
.products-grid.has-selection .product-card {
  opacity: 0.35;
  transform: scale(0.97);
  pointer-events: none;
}
.products-grid.has-selection .product-card.selected {
  opacity: 1;
  transform: translateY(-6px);
  border-color: var(--amber);
  box-shadow: 0 12px 32px rgba(46,130,160,0.22);
  pointer-events: auto;
}
.products-grid.has-selection .product-card.selected::before { opacity: 1; }

/* Product detail panel */
.products-right-col { position: relative; }
.product-detail-panel {
  display: none;
  flex-direction: column;
  height: 560px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  position: relative;
}
.product-detail-panel.active { display: flex; }
.product-detail-panel > img {
  width: 100%;
  flex: 1;
  object-fit: cover;
  min-height: 0;
  cursor: zoom-in;
  display: block;
}
.product-detail-info {
  padding: 1.2rem 1.5rem 1.4rem;
  background: var(--card);
  border-top: 1px solid rgba(0,0,0,0.06);
}
.product-detail-name {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.3rem;
}
.product-detail-desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}
.product-detail-back {
  position: absolute;
  top: 0.8rem; right: 0.8rem;
  z-index: 5;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  color: #fff;
  border: none;
  padding: 0.3rem 0.8rem;
  font-family: 'Sora', sans-serif;
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s;
}
.product-detail-back:hover { background: rgba(0,0,0,0.75); }

/* ── EXPERIENCE ── */
#experience { background: var(--bg); }
.exp-list { margin-top: 3rem; display: flex; flex-direction: column; gap: 0; }
.exp-item {
  display: grid;
  grid-template-columns: minmax(min-content, 220px) 1fr;
  gap: 2rem;
  padding: 1.8rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  align-items: start;
  transition: background 0.2s;
}
.exp-item:hover { background: rgba(240,165,0,0.03); }
.exp-org {
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--amber);
  padding-top: 0.2rem;
  line-height: 1.5;
}
.exp-title {
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.3rem;
  line-height: 1.6;
}
.exp-year {
  font-family: 'Sora', sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ── TEAM ── */
#team { background: var(--bg); }

/* Grid layout for multiple members */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

/* Detailed profile layout (single member) */
.member-profile {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  margin-top: 3rem;
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  padding: 3rem;
  position: relative;
  overflow: hidden;
}
.member-profile::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--teal));
}
.member-sidebar {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
}
.member-sidebar .member-avatar {
  width: 100px; height: 100px;
  font-size: 2.8rem;
  margin-bottom: 0.8rem;
}
.member-sidebar .member-name {
  font-size: 1.3rem;
}
.member-sidebar .member-title {
  margin-bottom: 1.2rem;
}
.member-main { display: flex; flex-direction: column; gap: 2rem; }
.member-section-label {
  font-family: 'Sora', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.member-section-label::before {
  content: '';
  width: 1.2rem;
  height: 1px;
  background: var(--amber);
}

/* Member card (for grid layout) */
.member-card {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  padding: 2rem 1.8rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
}
.member-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.09); }

.member-avatar {
  width: 56px; height: 56px;
  background: var(--amber-glow);
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}
.member-name {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}
.member-title {
  font-size: 0.78rem;
  color: var(--amber);
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  margin-bottom: 0.8rem;
}
.member-bio {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.8;
}
.member-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.8rem;
}
.skill-tag {
  font-family: 'Sora', sans-serif;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--teal);
  border: 1px solid rgba(26,143,135,0.3);
  padding: 0.2rem 0.5rem;
  background: rgba(26,143,135,0.05);
}

/* Experience timeline */
.member-exp-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.member-exp-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 1rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(0,0,0,0.05);
  align-items: start;
}
.member-exp-item:last-child { border-bottom: none; }
.member-exp-year {
  font-family: 'Sora', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--amber);
  padding-top: 0.15rem;
}
.member-exp-text {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.5;
}
.member-exp-org {
  font-size: 0.72rem;
  color: var(--muted);
  margin-top: 0.15rem;
}

/* Stats row for publications etc. */
.member-stats {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.member-stat {
  text-align: center;
  padding: 1rem 1.5rem;
  background: var(--bg2);
  border: 1px solid rgba(0,0,0,0.05);
}
.member-stat-num {
  font-family: 'Sora', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
}
.member-stat-label {
  font-size: 0.7rem;
  color: var(--muted);
  margin-top: 0.3rem;
  letter-spacing: 0.03em;
}

/* Member expand panel */
.member-expand {
  display: none;
  margin-top: 2rem;
}
.member-expand.open {
  display: block;
  animation: fadeUp 0.4s ease;
}
.member-expand .member-profile {
  margin-top: 0;
}
.member-card.active {
  border-color: var(--amber);
  box-shadow: 0 8px 24px rgba(46,130,160,0.18);
}
.member-card.active::after {
  content: '';
  position: absolute;
  bottom: -2rem;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--amber);
}
.member-card {
  position: relative;
  cursor: pointer;
}
.member-close {
  position: absolute;
  top: 1rem; right: 1.2rem;
  background: rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.08);
  color: var(--muted);
  padding: 0.3rem 0.8rem;
  font-family: 'Sora', sans-serif;
  font-size: 0.72rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.member-close:hover { background: rgba(0,0,0,0.1); color: var(--text); }

/* ── COMPETITION ── */
#competition { background: var(--bg); }
.competition-card {
  margin-top: 0;
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  padding: 2.5rem 3rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
}
.competition-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--amber), var(--teal));
}
.competition-name {
  font-family: 'Sora', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.competition-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0.8rem;
}
.competition-meta {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: 'Sora', sans-serif;
}
.competition-badge {
  text-align: center;
  flex-shrink: 0;
}
.competition-rank {
  font-family: 'Sora', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: #D4891A;
  line-height: 1;
}
.competition-rank-label {
  font-size: 0.72rem;
  color: var(--muted);
  font-family: 'Sora', sans-serif;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

/* ── CLIENTS & PARTNERS ── */
#clients  { background: var(--card); }
#partners { background: var(--bg); }
.partners-strip {
  margin-top: 3rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.partner-box {
  background: var(--card);
  border: 1px solid rgba(0,0,0,0.07);
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.partner-box:hover { border-color: var(--border); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.partner-box img {
  max-width: 100%;
  max-height: 55px;
  object-fit: contain;
  transition: filter 0.3s;
}
.partner-box:hover img { filter: brightness(1.05); }

/* ── CONTACT ── */
#contact { background: var(--bg2); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
  align-items: start;
}
.contact-info p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.contact-icon {
  width: 38px; height: 38px;
  background: var(--amber-glow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.contact-detail-text { font-size: 0.88rem; color: var(--text); line-height: 1.5; }
.contact-detail-label { font-size: 0.72rem; color: var(--muted); margin-bottom: 0.1rem; font-family: 'Sora', sans-serif; letter-spacing: 0.05em; }

.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-family: 'Sora', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid rgba(0,0,0,0.12);
  color: var(--text);
  padding: 0.8rem 1rem;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--amber); }
.form-group textarea { min-height: 120px; }

/* ── LIGHTBOX ── */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9998;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute;
  top: 1.5rem; right: 2rem;
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  color: rgba(255,255,255,0.6);
  cursor: pointer;
  transition: color 0.2s;
}
.lightbox-close:hover { color: white; }

/* ── FOOTER ── */
footer {
  background: var(--bg2);
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 2.5rem 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.footer-logo span { color: var(--amber); }
.footer-copy {
  font-size: 0.78rem;
  color: var(--muted);
  font-family: 'Sora', sans-serif;
}

/* ── SCROLL REVEAL ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .team-grid { grid-template-columns: 1fr; }
  .member-profile { grid-template-columns: 1fr; text-align: center; padding: 2rem; }
  .member-exp-item { grid-template-columns: 80px 1fr; }
  .competition-card { grid-template-columns: 1fr; }
  .hero-stats { display: none; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .products-layout { grid-template-columns: 1fr; }
  .products-right-col { display: none; }
  .partners-strip { grid-template-columns: repeat(2,1fr); }
  .exp-item { grid-template-columns: minmax(min-content, 180px) 1fr; }
}
@media (max-width: 640px) {
  .exp-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .about-visual { display: none; }
  h1 { font-size: 2.4rem; }
  nav { padding: 1rem 4%; }
  .nav-links { display: none; }
  .page-header { padding: 7rem 4% 2.5rem; }
}