/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --dark: #0a0f1e;
  --dark2: #111827;
  --dark3: #1f2937;
  --cyan: #22d3ee;
  --cyan-dark: #0891b2;
  --orange: #f97316;
  --white: #f8fafc;
  --gray: #94a3b8;
  --gray-light: #e2e8f0;
  --radius: 12px;
}
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans TC', sans-serif; background: #fff; color: #1e293b; line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,15,30,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.4); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 5%;
  display: flex; align-items: center; justify-content: space-between; height: 64px;
}
.nav-logo { font-size: 1.2rem; font-weight: 900; color: var(--white); letter-spacing: -0.5px; }
.nav-logo span { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { font-size: 0.88rem; font-weight: 600; color: rgba(255,255,255,0.7); transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: var(--cyan); color: var(--dark) !important;
  padding: 8px 18px; border-radius: 999px; font-weight: 700 !important;
  transition: background 0.2s, transform 0.2s !important;
}
.nav-cta:hover { background: var(--cyan-dark) !important; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: 0.3s; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #030712 0%, #0a0f1e 40%, #0f172a 100%);
  display: flex; align-items: center;
  padding: 100px 5% 60px;
  position: relative; overflow: hidden;
}
.hero-bg-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(34,211,238,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,211,238,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-inner {
  max-width: 1200px; width: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.25);
  color: var(--cyan); font-size: 0.8rem; font-weight: 700;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 24px; letter-spacing: 0.5px;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem); font-weight: 900;
  color: var(--white); line-height: 1.2; margin-bottom: 20px; letter-spacing: -1px;
}
.gradient-text {
  background: linear-gradient(90deg, var(--cyan), #818cf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub { color: rgba(255,255,255,0.65); font-size: 1rem; margin-bottom: 12px; line-height: 1.7; }
.hero-tagline { color: var(--cyan); font-size: 0.9rem; font-weight: 700; margin-bottom: 32px; letter-spacing: 0.5px; }
.hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: var(--cyan); color: var(--dark);
  padding: 14px 28px; border-radius: var(--radius);
  font-weight: 700; font-size: 0.95rem; transition: all 0.2s;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn-primary:hover { background: var(--cyan-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(34,211,238,0.3); }
.btn-secondary {
  background: rgba(255,255,255,0.08); color: var(--white);
  padding: 14px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.95rem; border: 1px solid rgba(255,255,255,0.15); transition: all 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.14); }

/* Hero card */
.hero-right { display: flex; justify-content: flex-end; }
.hero-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 28px; width: 100%; max-width: 360px;
  backdrop-filter: blur(8px);
}
.hero-card-name { font-size: 1.3rem; font-weight: 900; color: var(--white); margin-bottom: 4px; }
.hero-card-title { font-size: 0.75rem; color: rgba(255,255,255,0.5); letter-spacing: 0.3px; margin-bottom: 20px; line-height: 1.5; }
.hero-card-divider { height: 1px; background: rgba(255,255,255,0.08); margin-bottom: 20px; }
.hero-card-items { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.hero-card-item { display: flex; align-items: center; gap: 10px; font-size: 0.82rem; color: rgba(255,255,255,0.65); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); flex-shrink: 0; }
.dot-orange { background: var(--orange); }
.dot-cyan { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.hero-card-certs { display: flex; flex-wrap: wrap; gap: 6px; }
.hero-card-certs span {
  font-size: 0.68rem; font-weight: 700; padding: 3px 8px;
  border-radius: 4px; background: rgba(34,211,238,0.12); color: var(--cyan);
  border: 1px solid rgba(34,211,238,0.2);
}

/* ===== STATS BAND ===== */
.stats-band { background: var(--dark2); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 36px 5%; }
.stats-inner { max-width: 1000px; margin: 0 auto; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
.stat { text-align: center; }
.stat-n { font-size: 2rem; font-weight: 900; color: var(--cyan); line-height: 1; }
.stat-n span { font-size: 1rem; font-weight: 600; }
.stat-l { font-size: 0.78rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* ===== SECTIONS ===== */
.section { padding: 80px 5%; }
.dark-section { background: var(--dark); }
.dark-section .section-label { color: rgba(34,211,238,0.7); }
.dark-section h2, .dark-section p, .dark-section .section-sub { color: var(--white); }
.dark-section .section-sub { color: rgba(255,255,255,0.55) !important; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.section-label {
  font-size: 0.72rem; font-weight: 800; letter-spacing: 2px; text-transform: uppercase;
  color: var(--cyan-dark); margin-bottom: 12px;
}
.section h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 900; color: #0f172a; margin-bottom: 12px; letter-spacing: -0.5px; }
.section-sub { font-size: 0.95rem; color: #64748b; margin-bottom: 48px; }

/* ===== SERVICES ===== */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #f8fafc; border: 1px solid var(--gray-light);
  border-radius: var(--radius); padding: 32px; position: relative;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.service-card:hover { border-color: var(--cyan); box-shadow: 0 4px 24px rgba(34,211,238,0.12); transform: translateY(-4px); }
.service-card.featured { border-color: var(--cyan); background: white; box-shadow: 0 4px 24px rgba(34,211,238,0.1); }
.service-badge {
  position: absolute; top: -12px; left: 24px;
  background: var(--cyan); color: var(--dark);
  font-size: 0.72rem; font-weight: 800; padding: 4px 12px; border-radius: 999px;
}
.service-icon { font-size: 2rem; margin-bottom: 16px; }
.service-card h3 { font-size: 1.05rem; font-weight: 800; color: #0f172a; margin-bottom: 10px; }
.service-card p { font-size: 0.88rem; color: #475569; margin-bottom: 16px; line-height: 1.6; }
.service-card ul { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.service-card ul li { font-size: 0.82rem; color: #64748b; padding-left: 14px; position: relative; }
.service-card ul li::before { content: '✓'; position: absolute; left: 0; color: var(--cyan-dark); font-weight: 700; }
.service-link { font-size: 0.85rem; font-weight: 700; color: var(--cyan-dark); transition: color 0.2s; }
.service-link:hover { color: var(--cyan); }

/* ===== TOPICS ===== */
.topics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.topic-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 36px 32px;
  transition: border-color 0.2s, background 0.2s;
}
.topic-card:hover { border-color: rgba(34,211,238,0.4); background: rgba(34,211,238,0.05); }
.topic-card h3 { font-size: 1.1rem; font-weight: 800; color: var(--white); margin-bottom: 12px; }
.topic-card p { font-size: 0.93rem; color: rgba(255,255,255,0.72); line-height: 1.75; margin-bottom: 18px; }
.topic-tag { font-size: 0.75rem; font-weight: 700; color: var(--cyan); background: rgba(34,211,238,0.1); padding: 4px 12px; border-radius: 4px; display: inline-block; }

/* ===== CLIENTS ===== */
.clients-section { background: #f8fafc; }
.clients-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.client-card {
  background: white; border: 1px solid #e2e8f0; border-radius: var(--radius);
  padding: 24px; border-top: 3px solid var(--cyan-dark);
  transition: box-shadow 0.2s, transform 0.2s;
}
.client-card:hover { box-shadow: 0 4px 20px rgba(8,145,178,0.1); transform: translateY(-3px); }
.client-ind {
  font-size: 0.72rem; font-weight: 800; color: var(--cyan-dark);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px;
}
.client-orgs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.client-orgs span {
  font-size: 0.82rem; font-weight: 700; color: #0f172a;
  background: #f1f5f9; padding: 3px 10px; border-radius: 4px;
}
.client-desc { font-size: 0.82rem; color: #64748b; line-height: 1.6; }

/* ===== PORTFOLIO ===== */
.portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.portfolio-card {
  border: 1px solid var(--gray-light); border-radius: var(--radius); padding: 28px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.portfolio-card:hover { border-color: var(--cyan-dark); box-shadow: 0 4px 20px rgba(34,211,238,0.1); transform: translateY(-3px); }
.portfolio-label { font-size: 0.72rem; font-weight: 800; color: var(--cyan-dark); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.portfolio-card h3 { font-size: 1rem; font-weight: 800; color: #0f172a; margin-bottom: 10px; }
.portfolio-card p { font-size: 0.84rem; color: #475569; line-height: 1.6; margin-bottom: 16px; }
.portfolio-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.portfolio-tags span { font-size: 0.72rem; font-weight: 600; background: #f1f5f9; color: #475569; padding: 3px 10px; border-radius: 4px; }
.portfolio-link { font-size: 0.85rem; font-weight: 700; color: var(--cyan-dark); transition: color 0.2s; }
.portfolio-link:hover { color: var(--cyan); }
.portfolio-link.muted { color: #94a3b8; cursor: default; }

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.gallery-item {
  border-radius: var(--radius); overflow: hidden;
  position: relative; aspect-ratio: 4/3;
  background: #f1f5f9;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.4s ease;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(10,15,30,0.88));
  padding: 32px 16px 16px;
  transform: translateY(4px); opacity: 0;
  transition: all 0.3s ease;
}
.gallery-item:hover .gallery-caption { transform: translateY(0); opacity: 1; }
.gallery-tag { font-size: 0.68rem; font-weight: 800; color: var(--cyan); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.gallery-title { font-size: 0.88rem; font-weight: 700; color: var(--white); line-height: 1.4; }
.gallery-year { font-size: 0.72rem; color: rgba(255,255,255,0.5); margin-top: 4px; }

/* About photo */
.about-photo {
  width: 100%; border-radius: 16px; object-fit: cover;
  aspect-ratio: 3/4; margin-bottom: 24px;
}

/* ===== ABOUT ===== */
.about-grid { display: grid; grid-template-columns: 280px 1fr; gap: 60px; align-items: start; }
.about-photo-placeholder {
  width: 100%; aspect-ratio: 3/4; border-radius: 16px;
  background: linear-gradient(135deg, rgba(34,211,238,0.1), rgba(129,140,248,0.1));
  border: 2px dashed rgba(34,211,238,0.3);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  margin-bottom: 24px;
}
.photo-initials { font-size: 2rem; font-weight: 900; color: var(--cyan); }
.photo-hint { font-size: 0.72rem; color: rgba(255,255,255,0.3); }
.about-certs { }
.certs-title { font-size: 0.72rem; font-weight: 800; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.certs-grid { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.cert { font-size: 0.72rem; font-weight: 700; background: rgba(34,211,238,0.1); color: var(--cyan); border: 1px solid rgba(34,211,238,0.2); padding: 3px 8px; border-radius: 4px; }
.certs-edu { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.about-lead { font-size: 1.05rem; color: rgba(255,255,255,0.85); font-weight: 600; line-height: 1.7; margin-bottom: 16px; }
.about-right p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 28px; }
.timeline { display: flex; flex-direction: column; gap: 0; margin-bottom: 28px; }
.tl-item { display: flex; gap: 20px; padding: 16px 0; border-left: 2px solid rgba(255,255,255,0.1); padding-left: 20px; position: relative; }
.tl-item::before { content: ''; position: absolute; left: -5px; top: 22px; width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.2); }
.tl-item.highlight { border-left-color: var(--cyan); }
.tl-item.highlight::before { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
.tl-year { font-size: 0.78rem; font-weight: 800; color: rgba(255,255,255,0.4); width: 40px; flex-shrink: 0; padding-top: 2px; }
.tl-co { font-size: 0.88rem; font-weight: 700; color: var(--white); margin-bottom: 2px; }
.tl-role { font-size: 0.78rem; color: rgba(255,255,255,0.45); }
.about-quote { border-left: 3px solid var(--cyan); padding-left: 16px; font-size: 0.9rem; color: rgba(255,255,255,0.7); font-style: italic; line-height: 1.7; }

/* ===== ARTICLES PREVIEW ===== */
.articles-preview-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.article-preview {
  border: 1px solid #e2e8f0; border-radius: var(--radius); padding: 24px;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.article-preview:hover { border-color: var(--cyan-dark); box-shadow: 0 4px 16px rgba(8,145,178,0.1); transform: translateY(-3px); }
.ap-tag { font-size: 0.7rem; font-weight: 800; color: var(--cyan-dark); text-transform: uppercase; letter-spacing: 0.5px; }
.article-preview h3 { font-size: 0.95rem; font-weight: 800; color: #0f172a; line-height: 1.4; }
.article-preview p { font-size: 0.82rem; color: #64748b; line-height: 1.6; flex: 1; }
.ap-link { font-size: 0.82rem; font-weight: 700; color: var(--cyan-dark); margin-top: auto; }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.contact-item { margin-bottom: 24px; }
.contact-label { font-size: 0.72rem; font-weight: 700; color: #94a3b8; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
.contact-value { font-size: 0.9rem; font-weight: 600; color: #1e293b; }
.contact-value a { color: var(--cyan-dark); }
.contact-value a:hover { color: var(--cyan); }
.contact-note { font-size: 0.82rem; color: #64748b; line-height: 1.6; padding: 16px; background: #f8fafc; border-radius: 10px; border-left: 3px solid var(--cyan); }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid #e2e8f0; border-radius: 10px;
  font-size: 0.88rem; font-family: inherit; color: #1e293b;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: white;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34,211,238,0.12);
}
.contact-form textarea { resize: vertical; }

/* ===== FOOTER ===== */
.footer { background: var(--dark); border-top: 1px solid rgba(255,255,255,0.06); }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 48px 5% 32px;
  display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 32px;
}
.footer-name { font-size: 1.3rem; font-weight: 900; color: var(--white); margin-bottom: 8px; }
.footer-name span { color: var(--cyan); }
.footer-brand p { font-size: 0.82rem; color: rgba(255,255,255,0.45); line-height: 1.6; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.84rem; color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-links a:hover { color: var(--cyan); }
.footer-contact { }
.footer-contact a { font-size: 0.84rem; color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-contact a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 16px 5%; text-align: center; }
.footer-bottom p { font-size: 0.78rem; color: rgba(255,255,255,0.25); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .topics-grid { grid-template-columns: 1fr 1fr; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .articles-preview-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: var(--dark2); padding: 20px 5%; gap: 16px; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .hamburger { display: flex; }
  .hero { min-height: auto; padding: 88px 5% 48px; align-items: flex-start; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .stats-inner { justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: 1fr 1fr; }
  .articles-preview-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo-placeholder { max-width: 200px; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .clients-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hero h1 { font-size: 1.8rem; }
  .section { padding: 60px 5%; }
}